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Merge branch 'main' into next-0.10

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This commit is contained in:
Alex Auvolat 2024-02-15 13:58:15 +01:00
commit eb4a6ce106
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GPG key ID: 0E496D15096376BE
39 changed files with 3938 additions and 199 deletions
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146
Cargo.lock generated
View file

@ -1059,6 +1059,19 @@ dependencies = [
"cfg-if",
]
[[package]]
name = "env_logger"
version = "0.10.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4cd405aab171cb85d6735e5c8d9db038c17d3ca007a4d2c25f337935c3d90580"
dependencies = [
"humantime",
"is-terminal",
"log",
"regex",
"termcolor",
]
[[package]]
name = "equivalent"
version = "1.0.1"
@ -1270,6 +1283,7 @@ dependencies = [
"garage_block",
"garage_db",
"garage_model",
"garage_net",
"garage_rpc",
"garage_table",
"garage_util",
@ -1284,7 +1298,6 @@ dependencies = [
"k2v-client",
"kuska-sodiumoxide",
"mktemp",
"netapp",
"opentelemetry",
"opentelemetry-otlp",
"opentelemetry-prometheus",
@ -1319,6 +1332,7 @@ dependencies = [
"futures-util",
"garage_block",
"garage_model",
"garage_net",
"garage_rpc",
"garage_table",
"garage_util",
@ -1363,6 +1377,7 @@ dependencies = [
"futures",
"futures-util",
"garage_db",
"garage_net",
"garage_rpc",
"garage_table",
"garage_util",
@ -1404,11 +1419,11 @@ dependencies = [
"futures-util",
"garage_block",
"garage_db",
"garage_net",
"garage_rpc",
"garage_table",
"garage_util",
"hex",
"netapp",
"opentelemetry",
"rand",
"serde",
@ -1418,6 +1433,32 @@ dependencies = [
"zstd",
]
[[package]]
name = "garage_net"
version = "0.10.0"
dependencies = [
"arc-swap",
"async-trait",
"bytes",
"cfg-if",
"err-derive",
"futures",
"hex",
"kuska-handshake",
"kuska-sodiumoxide",
"log",
"opentelemetry",
"opentelemetry-contrib",
"pin-project",
"pretty_env_logger",
"rand",
"rmp-serde",
"serde",
"tokio",
"tokio-stream",
"tokio-util 0.7.10",
]
[[package]]
name = "garage_rpc"
version = "0.10.0"
@ -1431,6 +1472,7 @@ dependencies = [
"futures",
"futures-util",
"garage_db",
"garage_net",
"garage_util",
"gethostname",
"hex",
@ -1438,7 +1480,6 @@ dependencies = [
"k8s-openapi",
"kube",
"kuska-sodiumoxide",
"netapp",
"nix",
"opentelemetry",
"pnet_datalink",
@ -1489,13 +1530,13 @@ dependencies = [
"err-derive",
"futures",
"garage_db",
"garage_net",
"hex",
"hexdump",
"http 1.0.0",
"hyper 1.1.0",
"lazy_static",
"mktemp",
"netapp",
"opentelemetry",
"rand",
"rmp-serde",
@ -1833,6 +1874,12 @@ version = "1.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
[[package]]
name = "humantime"
version = "2.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
[[package]]
name = "hyper"
version = "0.14.28"
@ -2027,6 +2074,17 @@ dependencies = [
"serde",
]
[[package]]
name = "is-terminal"
version = "0.4.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f23ff5ef2b80d608d61efee834934d862cd92461afc0560dedf493e4c033738b"
dependencies = [
"hermit-abi",
"libc",
"windows-sys 0.52.0",
]
[[package]]
name = "itertools"
version = "0.4.19"
@ -2427,33 +2485,6 @@ version = "0.8.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
[[package]]
name = "netapp"
version = "0.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0a00b76cec93e3ae68c9ed5f08e27a1507424987ee23d5ec961ebd4da820a265"
dependencies = [
"arc-swap",
"async-trait",
"bytes",
"cfg-if",
"err-derive",
"futures",
"hex",
"kuska-handshake",
"kuska-sodiumoxide",
"log",
"opentelemetry",
"opentelemetry-contrib",
"pin-project",
"rand",
"rmp-serde",
"serde",
"tokio",
"tokio-stream",
"tokio-util 0.7.10",
]
[[package]]
name = "nix"
version = "0.27.1"
@ -2481,15 +2512,6 @@ dependencies = [
"minimal-lexical",
]
[[package]]
name = "nom8"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ae01545c9c7fc4486ab7debaf2aad7003ac19431791868fb2e8066df97fad2f8"
dependencies = [
"memchr",
]
[[package]]
name = "nu-ansi-term"
version = "0.46.0"
@ -2946,6 +2968,16 @@ version = "0.2.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
[[package]]
name = "pretty_env_logger"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "865724d4dbe39d9f3dd3b52b88d859d66bcb2d6a0acfd5ea68a65fb66d4bdc1c"
dependencies = [
"env_logger",
"log",
]
[[package]]
name = "proc-macro-error"
version = "1.0.4"
@ -3874,6 +3906,15 @@ dependencies = [
"windows-sys 0.52.0",
]
[[package]]
name = "termcolor"
version = "1.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "06794f8f6c5c898b3275aebefa6b8a1cb24cd2c6c79397ab15774837a0bc5755"
dependencies = [
"winapi-util",
]
[[package]]
name = "textwrap"
version = "0.11.0"
@ -4068,9 +4109,9 @@ dependencies = [
[[package]]
name = "toml"
version = "0.6.0"
version = "0.8.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4fb9d890e4dc9298b70f740f615f2e05b9db37dce531f6b24fb77ac993f9f217"
checksum = "9a9aad4a3066010876e8dcf5a8a06e70a558751117a145c6ce2b82c2e2054290"
dependencies = [
"serde",
"serde_spanned",
@ -4080,24 +4121,24 @@ dependencies = [
[[package]]
name = "toml_datetime"
version = "0.5.1"
version = "0.6.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4553f467ac8e3d374bc9a177a26801e5d0f9b211aa1673fb137a403afd1c9cf5"
checksum = "3550f4e9685620ac18a50ed434eb3aec30db8ba93b0287467bca5826ea25baf1"
dependencies = [
"serde",
]
[[package]]
name = "toml_edit"
version = "0.18.1"
version = "0.22.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "56c59d8dd7d0dcbc6428bf7aa2f0e823e26e43b3c9aca15bbc9475d23e5fa12b"
checksum = "99e68c159e8f5ba8a28c4eb7b0c0c190d77bb479047ca713270048145a9ad28a"
dependencies = [
"indexmap 1.9.3",
"nom8",
"indexmap 2.2.2",
"serde",
"serde_spanned",
"toml_datetime",
"winnow",
]
[[package]]
@ -4687,6 +4728,15 @@ version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
[[package]]
name = "winnow"
version = "0.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d90f4e0f530c4c69f62b80d839e9ef3855edc9cba471a160c4d692deed62b401"
dependencies = [
"memchr",
]
[[package]]
name = "winreg"
version = "0.50.0"

228
Cargo.nix
View file

@ -6,6 +6,7 @@ args@{
rootFeatures ? [
"garage_db/default"
"garage_util/default"
"garage_net/default"
"garage_rpc/default"
"format_table/default"
"garage_table/default"
@ -33,7 +34,7 @@ args@{
ignoreLockHash,
}:
let
nixifiedLockHash = "128636a00ff8a67f6a6c892cf52eae61e4334b0d346199e548eb8468162e1e3e";
nixifiedLockHash = "78a919892c20922859f8146234cfb36542303861f757e6ebb11d010965285f04";
workspaceSrc = if args.workspaceSrc == null then ./. else args.workspaceSrc;
currentLockHash = builtins.hashFile "sha256" (workspaceSrc + /Cargo.lock);
lockHashIgnored = if ignoreLockHash
@ -59,6 +60,7 @@ in
workspace = {
garage_db = rustPackages.unknown.garage_db."0.10.0";
garage_util = rustPackages.unknown.garage_util."0.10.0";
garage_net = rustPackages.unknown.garage_net."0.10.0";
garage_rpc = rustPackages.unknown.garage_rpc."0.10.0";
format_table = rustPackages.unknown.format_table."0.1.1";
garage_table = rustPackages.unknown.garage_table."0.10.0";
@ -1534,6 +1536,27 @@ in
};
});
"registry+https://github.com/rust-lang/crates.io-index".env_logger."0.10.2" = overridableMkRustCrate (profileName: rec {
name = "env_logger";
version = "0.10.2";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "4cd405aab171cb85d6735e5c8d9db038c17d3ca007a4d2c25f337935c3d90580"; };
features = builtins.concatLists [
[ "auto-color" ]
[ "color" ]
[ "default" ]
[ "humantime" ]
[ "regex" ]
];
dependencies = {
humantime = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".humantime."2.1.0" { inherit profileName; }).out;
is_terminal = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".is-terminal."0.4.12" { inherit profileName; }).out;
log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.20" { inherit profileName; }).out;
regex = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".regex."1.10.3" { inherit profileName; }).out;
termcolor = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".termcolor."1.4.1" { inherit profileName; }).out;
};
});
"registry+https://github.com/rust-lang/crates.io-index".equivalent."1.0.1" = overridableMkRustCrate (profileName: rec {
name = "equivalent";
version = "1.0.1";
@ -1862,6 +1885,7 @@ in
garage_block = (rustPackages."unknown".garage_block."0.10.0" { inherit profileName; }).out;
garage_db = (rustPackages."unknown".garage_db."0.10.0" { inherit profileName; }).out;
garage_model = (rustPackages."unknown".garage_model."0.10.0" { inherit profileName; }).out;
garage_net = (rustPackages."unknown".garage_net."0.10.0" { inherit profileName; }).out;
garage_rpc = (rustPackages."unknown".garage_rpc."0.10.0" { inherit profileName; }).out;
garage_table = (rustPackages."unknown".garage_table."0.10.0" { inherit profileName; }).out;
garage_util = (rustPackages."unknown".garage_util."0.10.0" { inherit profileName; }).out;
@ -1869,7 +1893,6 @@ in
git_version = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".git-version."0.3.9" { inherit profileName; }).out;
hex = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hex."0.4.3" { inherit profileName; }).out;
sodiumoxide = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".kuska-sodiumoxide."0.2.5-0" { inherit profileName; }).out;
netapp = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".netapp."0.10.0" { inherit profileName; }).out;
opentelemetry = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry."0.17.0" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/opentelemetry-otlp" || rootFeatures' ? "garage/telemetry-otlp" then "opentelemetry_otlp" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry-otlp."0.10.0" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/metrics" || rootFeatures' ? "garage/opentelemetry-prometheus" then "opentelemetry_prometheus" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry-prometheus."0.10.0" { inherit profileName; }).out;
@ -1881,7 +1904,7 @@ in
structopt = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".structopt."0.3.26" { inherit profileName; }).out;
timeago = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".timeago."0.4.2" { inherit profileName; }).out;
tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.36.0" { inherit profileName; }).out;
toml = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".toml."0.6.0" { inherit profileName; }).out;
toml = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".toml."0.8.10" { inherit profileName; }).out;
tracing = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing."0.1.40" { inherit profileName; }).out;
tracing_subscriber = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing-subscriber."0.3.18" { inherit profileName; }).out;
};
@ -1927,6 +1950,7 @@ in
futures_util = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.30" { inherit profileName; }).out;
garage_block = (rustPackages."unknown".garage_block."0.10.0" { inherit profileName; }).out;
garage_model = (rustPackages."unknown".garage_model."0.10.0" { inherit profileName; }).out;
garage_net = (rustPackages."unknown".garage_net."0.10.0" { inherit profileName; }).out;
garage_rpc = (rustPackages."unknown".garage_rpc."0.10.0" { inherit profileName; }).out;
garage_table = (rustPackages."unknown".garage_table."0.10.0" { inherit profileName; }).out;
garage_util = (rustPackages."unknown".garage_util."0.10.0" { inherit profileName; }).out;
@ -1977,6 +2001,7 @@ in
futures = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures."0.3.30" { inherit profileName; }).out;
futures_util = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.30" { inherit profileName; }).out;
garage_db = (rustPackages."unknown".garage_db."0.10.0" { inherit profileName; }).out;
garage_net = (rustPackages."unknown".garage_net."0.10.0" { inherit profileName; }).out;
garage_rpc = (rustPackages."unknown".garage_rpc."0.10.0" { inherit profileName; }).out;
garage_table = (rustPackages."unknown".garage_table."0.10.0" { inherit profileName; }).out;
garage_util = (rustPackages."unknown".garage_util."0.10.0" { inherit profileName; }).out;
@ -2042,11 +2067,11 @@ in
futures_util = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.30" { inherit profileName; }).out;
garage_block = (rustPackages."unknown".garage_block."0.10.0" { inherit profileName; }).out;
garage_db = (rustPackages."unknown".garage_db."0.10.0" { inherit profileName; }).out;
garage_net = (rustPackages."unknown".garage_net."0.10.0" { inherit profileName; }).out;
garage_rpc = (rustPackages."unknown".garage_rpc."0.10.0" { inherit profileName; }).out;
garage_table = (rustPackages."unknown".garage_table."0.10.0" { inherit profileName; }).out;
garage_util = (rustPackages."unknown".garage_util."0.10.0" { inherit profileName; }).out;
hex = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hex."0.4.3" { inherit profileName; }).out;
netapp = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".netapp."0.10.0" { inherit profileName; }).out;
opentelemetry = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry."0.17.0" { inherit profileName; }).out;
rand = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rand."0.8.5" { inherit profileName; }).out;
serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.196" { inherit profileName; }).out;
@ -2057,6 +2082,43 @@ in
};
});
"unknown".garage_net."0.10.0" = overridableMkRustCrate (profileName: rec {
name = "garage_net";
version = "0.10.0";
registry = "unknown";
src = fetchCrateLocal (workspaceSrc + "/src/net");
features = builtins.concatLists [
[ "default" ]
(lib.optional (rootFeatures' ? "garage_net/opentelemetry" || rootFeatures' ? "garage_net/telemetry") "opentelemetry")
(lib.optional (rootFeatures' ? "garage_net/opentelemetry-contrib" || rootFeatures' ? "garage_net/telemetry") "opentelemetry-contrib")
(lib.optional (rootFeatures' ? "garage_net/telemetry") "telemetry")
];
dependencies = {
arc_swap = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".arc-swap."1.6.0" { inherit profileName; }).out;
async_trait = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".async-trait."0.1.77" { profileName = "__noProfile"; }).out;
bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."1.5.0" { inherit profileName; }).out;
cfg_if = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".cfg-if."1.0.0" { inherit profileName; }).out;
err_derive = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".err-derive."0.3.1" { profileName = "__noProfile"; }).out;
futures = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures."0.3.30" { inherit profileName; }).out;
hex = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hex."0.4.3" { inherit profileName; }).out;
kuska_handshake = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".kuska-handshake."0.2.0" { inherit profileName; }).out;
sodiumoxide = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".kuska-sodiumoxide."0.2.5-0" { inherit profileName; }).out;
log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.20" { inherit profileName; }).out;
${ if rootFeatures' ? "garage_net/opentelemetry" || rootFeatures' ? "garage_net/telemetry" then "opentelemetry" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry."0.17.0" { inherit profileName; }).out;
${ if rootFeatures' ? "garage_net/opentelemetry-contrib" || rootFeatures' ? "garage_net/telemetry" then "opentelemetry_contrib" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry-contrib."0.9.0" { inherit profileName; }).out;
pin_project = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project."1.1.4" { inherit profileName; }).out;
rand = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rand."0.8.5" { inherit profileName; }).out;
rmp_serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rmp-serde."1.1.2" { inherit profileName; }).out;
serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.196" { inherit profileName; }).out;
tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.36.0" { inherit profileName; }).out;
tokio_stream = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-stream."0.1.14" { inherit profileName; }).out;
tokio_util = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-util."0.7.10" { inherit profileName; }).out;
};
devDependencies = {
pretty_env_logger = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pretty_env_logger."0.5.0" { inherit profileName; }).out;
};
});
"unknown".garage_rpc."0.10.0" = overridableMkRustCrate (profileName: rec {
name = "garage_rpc";
version = "0.10.0";
@ -2082,6 +2144,7 @@ in
futures = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures."0.3.30" { inherit profileName; }).out;
futures_util = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.30" { inherit profileName; }).out;
garage_db = (rustPackages."unknown".garage_db."0.10.0" { inherit profileName; }).out;
garage_net = (rustPackages."unknown".garage_net."0.10.0" { inherit profileName; }).out;
garage_util = (rustPackages."unknown".garage_util."0.10.0" { inherit profileName; }).out;
gethostname = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".gethostname."0.4.3" { inherit profileName; }).out;
hex = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hex."0.4.3" { inherit profileName; }).out;
@ -2089,7 +2152,6 @@ in
${ if rootFeatures' ? "garage/kubernetes-discovery" || rootFeatures' ? "garage_rpc/k8s-openapi" || rootFeatures' ? "garage_rpc/kubernetes-discovery" then "k8s_openapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".k8s-openapi."0.21.0" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/kubernetes-discovery" || rootFeatures' ? "garage_rpc/kube" || rootFeatures' ? "garage_rpc/kubernetes-discovery" then "kube" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".kube."0.88.1" { inherit profileName; }).out;
sodiumoxide = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".kuska-sodiumoxide."0.2.5-0" { inherit profileName; }).out;
netapp = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".netapp."0.10.0" { inherit profileName; }).out;
nix = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".nix."0.27.1" { inherit profileName; }).out;
opentelemetry = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry."0.17.0" { inherit profileName; }).out;
pnet_datalink = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pnet_datalink."0.34.0" { inherit profileName; }).out;
@ -2149,12 +2211,12 @@ in
err_derive = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".err-derive."0.3.1" { profileName = "__noProfile"; }).out;
futures = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures."0.3.30" { inherit profileName; }).out;
garage_db = (rustPackages."unknown".garage_db."0.10.0" { inherit profileName; }).out;
garage_net = (rustPackages."unknown".garage_net."0.10.0" { inherit profileName; }).out;
hex = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hex."0.4.3" { inherit profileName; }).out;
hexdump = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hexdump."0.1.1" { inherit profileName; }).out;
http = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".http."1.0.0" { inherit profileName; }).out;
hyper = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hyper."1.1.0" { inherit profileName; }).out;
lazy_static = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".lazy_static."1.4.0" { inherit profileName; }).out;
netapp = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".netapp."0.10.0" { inherit profileName; }).out;
opentelemetry = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry."0.17.0" { inherit profileName; }).out;
rand = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rand."0.8.5" { inherit profileName; }).out;
rmp_serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rmp-serde."1.1.2" { inherit profileName; }).out;
@ -2162,7 +2224,7 @@ in
serde_json = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.113" { inherit profileName; }).out;
sha2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".sha2."0.10.8" { inherit profileName; }).out;
tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.36.0" { inherit profileName; }).out;
toml = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".toml."0.6.0" { inherit profileName; }).out;
toml = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".toml."0.8.10" { inherit profileName; }).out;
tracing = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing."0.1.40" { inherit profileName; }).out;
xxhash_rust = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".xxhash-rust."0.8.8" { inherit profileName; }).out;
};
@ -2330,7 +2392,7 @@ in
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"; };
features = builtins.concatLists [
[ "raw" ]
(lib.optional (rootFeatures' ? "garage/opentelemetry-otlp" || rootFeatures' ? "garage/telemetry-otlp") "raw")
];
});
@ -2588,6 +2650,13 @@ in
src = fetchCratesIo { inherit name version; sha256 = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"; };
});
"registry+https://github.com/rust-lang/crates.io-index".humantime."2.1.0" = overridableMkRustCrate (profileName: rec {
name = "humantime";
version = "2.1.0";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"; };
});
"registry+https://github.com/rust-lang/crates.io-index".hyper."0.14.28" = overridableMkRustCrate (profileName: rec {
name = "hyper";
version = "0.14.28";
@ -2817,10 +2886,10 @@ in
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"; };
dependencies = {
hashbrown = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hashbrown."0.12.3" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/opentelemetry-otlp" || rootFeatures' ? "garage/telemetry-otlp" then "hashbrown" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hashbrown."0.12.3" { inherit profileName; }).out;
};
buildDependencies = {
autocfg = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".autocfg."1.1.0" { profileName = "__noProfile"; }).out;
${ if rootFeatures' ? "garage/opentelemetry-otlp" || rootFeatures' ? "garage/telemetry-otlp" then "autocfg" else null } = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".autocfg."1.1.0" { profileName = "__noProfile"; }).out;
};
});
@ -2874,6 +2943,18 @@ in
};
});
"registry+https://github.com/rust-lang/crates.io-index".is-terminal."0.4.12" = overridableMkRustCrate (profileName: rec {
name = "is-terminal";
version = "0.4.12";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "f23ff5ef2b80d608d61efee834934d862cd92461afc0560dedf493e4c033738b"; };
dependencies = {
${ if hostPlatform.parsed.kernel.name == "hermit" then "hermit_abi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hermit-abi."0.3.4" { inherit profileName; }).out;
${ if hostPlatform.isUnix || hostPlatform.parsed.kernel.name == "wasi" then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.153" { inherit profileName; }).out;
${ if hostPlatform.isWindows then "windows_sys" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".windows-sys."0.52.0" { inherit profileName; }).out;
};
});
"registry+https://github.com/rust-lang/crates.io-index".itertools."0.4.19" = overridableMkRustCrate (profileName: rec {
name = "itertools";
version = "0.4.19";
@ -3454,40 +3535,6 @@ in
src = fetchCratesIo { inherit name version; sha256 = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"; };
});
"registry+https://github.com/rust-lang/crates.io-index".netapp."0.10.0" = overridableMkRustCrate (profileName: rec {
name = "netapp";
version = "0.10.0";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "0a00b76cec93e3ae68c9ed5f08e27a1507424987ee23d5ec961ebd4da820a265"; };
features = builtins.concatLists [
[ "default" ]
[ "opentelemetry" ]
[ "opentelemetry-contrib" ]
[ "telemetry" ]
];
dependencies = {
arc_swap = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".arc-swap."1.6.0" { inherit profileName; }).out;
async_trait = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".async-trait."0.1.77" { profileName = "__noProfile"; }).out;
bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."1.5.0" { inherit profileName; }).out;
cfg_if = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".cfg-if."1.0.0" { inherit profileName; }).out;
err_derive = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".err-derive."0.3.1" { profileName = "__noProfile"; }).out;
futures = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures."0.3.30" { inherit profileName; }).out;
hex = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hex."0.4.3" { inherit profileName; }).out;
kuska_handshake = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".kuska-handshake."0.2.0" { inherit profileName; }).out;
sodiumoxide = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".kuska-sodiumoxide."0.2.5-0" { inherit profileName; }).out;
log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.20" { inherit profileName; }).out;
opentelemetry = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry."0.17.0" { inherit profileName; }).out;
opentelemetry_contrib = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry-contrib."0.9.0" { inherit profileName; }).out;
pin_project = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project."1.1.4" { inherit profileName; }).out;
rand = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rand."0.8.5" { inherit profileName; }).out;
rmp_serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rmp-serde."1.1.2" { inherit profileName; }).out;
serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.196" { inherit profileName; }).out;
tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.36.0" { inherit profileName; }).out;
tokio_stream = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-stream."0.1.14" { inherit profileName; }).out;
tokio_util = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-util."0.7.10" { inherit profileName; }).out;
};
});
"registry+https://github.com/rust-lang/crates.io-index".nix."0.27.1" = overridableMkRustCrate (profileName: rec {
name = "nix";
version = "0.27.1";
@ -3529,21 +3576,6 @@ in
};
});
"registry+https://github.com/rust-lang/crates.io-index".nom8."0.2.0" = overridableMkRustCrate (profileName: rec {
name = "nom8";
version = "0.2.0";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "ae01545c9c7fc4486ab7debaf2aad7003ac19431791868fb2e8066df97fad2f8"; };
features = builtins.concatLists [
[ "alloc" ]
[ "default" ]
[ "std" ]
];
dependencies = {
memchr = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".memchr."2.7.1" { inherit profileName; }).out;
};
});
"registry+https://github.com/rust-lang/crates.io-index".nu-ansi-term."0.46.0" = overridableMkRustCrate (profileName: rec {
name = "nu-ansi-term";
version = "0.46.0";
@ -3777,11 +3809,11 @@ in
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "85637add8f60bb4cac673469c14f47a329c6cec7365c72d72cd32f2d104a721a"; };
features = builtins.concatLists [
[ "default" ]
(lib.optional (rootFeatures' ? "garage_net/opentelemetry-contrib" || rootFeatures' ? "garage_net/telemetry") "default")
];
dependencies = {
lazy_static = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".lazy_static."1.4.0" { inherit profileName; }).out;
opentelemetry = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry."0.17.0" { inherit profileName; }).out;
${ if rootFeatures' ? "garage_net/opentelemetry-contrib" || rootFeatures' ? "garage_net/telemetry" then "lazy_static" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".lazy_static."1.4.0" { inherit profileName; }).out;
${ if rootFeatures' ? "garage_net/opentelemetry-contrib" || rootFeatures' ? "garage_net/telemetry" then "opentelemetry" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry."0.17.0" { inherit profileName; }).out;
};
});
@ -4185,6 +4217,17 @@ in
];
});
"registry+https://github.com/rust-lang/crates.io-index".pretty_env_logger."0.5.0" = overridableMkRustCrate (profileName: rec {
name = "pretty_env_logger";
version = "0.5.0";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "865724d4dbe39d9f3dd3b52b88d859d66bcb2d6a0acfd5ea68a65fb66d4bdc1c"; };
dependencies = {
env_logger = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".env_logger."0.10.2" { inherit profileName; }).out;
log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.20" { inherit profileName; }).out;
};
});
"registry+https://github.com/rust-lang/crates.io-index".proc-macro-error."1.0.4" = overridableMkRustCrate (profileName: rec {
name = "proc-macro-error";
version = "1.0.4";
@ -5529,6 +5572,16 @@ in
};
});
"registry+https://github.com/rust-lang/crates.io-index".termcolor."1.4.1" = overridableMkRustCrate (profileName: rec {
name = "termcolor";
version = "1.4.1";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "06794f8f6c5c898b3275aebefa6b8a1cb24cd2c6c79397ab15774837a0bc5755"; };
dependencies = {
${ if hostPlatform.isWindows then "winapi_util" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi-util."0.1.6" { inherit profileName; }).out;
};
});
"registry+https://github.com/rust-lang/crates.io-index".textwrap."0.11.0" = overridableMkRustCrate (profileName: rec {
name = "textwrap";
version = "0.11.0";
@ -5805,27 +5858,27 @@ in
};
});
"registry+https://github.com/rust-lang/crates.io-index".toml."0.6.0" = overridableMkRustCrate (profileName: rec {
"registry+https://github.com/rust-lang/crates.io-index".toml."0.8.10" = overridableMkRustCrate (profileName: rec {
name = "toml";
version = "0.6.0";
version = "0.8.10";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "4fb9d890e4dc9298b70f740f615f2e05b9db37dce531f6b24fb77ac993f9f217"; };
src = fetchCratesIo { inherit name version; sha256 = "9a9aad4a3066010876e8dcf5a8a06e70a558751117a145c6ce2b82c2e2054290"; };
features = builtins.concatLists [
[ "parse" ]
];
dependencies = {
serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.196" { inherit profileName; }).out;
serde_spanned = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_spanned."0.6.5" { inherit profileName; }).out;
toml_datetime = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".toml_datetime."0.5.1" { inherit profileName; }).out;
toml_edit = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".toml_edit."0.18.1" { inherit profileName; }).out;
toml_datetime = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".toml_datetime."0.6.5" { inherit profileName; }).out;
toml_edit = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".toml_edit."0.22.5" { inherit profileName; }).out;
};
});
"registry+https://github.com/rust-lang/crates.io-index".toml_datetime."0.5.1" = overridableMkRustCrate (profileName: rec {
"registry+https://github.com/rust-lang/crates.io-index".toml_datetime."0.6.5" = overridableMkRustCrate (profileName: rec {
name = "toml_datetime";
version = "0.5.1";
version = "0.6.5";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "4553f467ac8e3d374bc9a177a26801e5d0f9b211aa1673fb137a403afd1c9cf5"; };
src = fetchCratesIo { inherit name version; sha256 = "3550f4e9685620ac18a50ed434eb3aec30db8ba93b0287467bca5826ea25baf1"; };
features = builtins.concatLists [
[ "serde" ]
];
@ -5834,21 +5887,21 @@ in
};
});
"registry+https://github.com/rust-lang/crates.io-index".toml_edit."0.18.1" = overridableMkRustCrate (profileName: rec {
"registry+https://github.com/rust-lang/crates.io-index".toml_edit."0.22.5" = overridableMkRustCrate (profileName: rec {
name = "toml_edit";
version = "0.18.1";
version = "0.22.5";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "56c59d8dd7d0dcbc6428bf7aa2f0e823e26e43b3c9aca15bbc9475d23e5fa12b"; };
src = fetchCratesIo { inherit name version; sha256 = "99e68c159e8f5ba8a28c4eb7b0c0c190d77bb479047ca713270048145a9ad28a"; };
features = builtins.concatLists [
[ "default" ]
[ "parse" ]
[ "serde" ]
];
dependencies = {
indexmap = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".indexmap."1.9.3" { inherit profileName; }).out;
nom8 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".nom8."0.2.0" { inherit profileName; }).out;
indexmap = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".indexmap."2.2.2" { inherit profileName; }).out;
serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.196" { inherit profileName; }).out;
serde_spanned = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_spanned."0.6.5" { inherit profileName; }).out;
toml_datetime = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".toml_datetime."0.5.1" { inherit profileName; }).out;
toml_datetime = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".toml_datetime."0.6.5" { inherit profileName; }).out;
winnow = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winnow."0.6.1" { inherit profileName; }).out;
};
});
@ -6603,11 +6656,11 @@ in
[ "Win32_Security_Authentication_Identity" ]
[ "Win32_Security_Credentials" ]
[ "Win32_Security_Cryptography" ]
(lib.optional (rootFeatures' ? "garage/opentelemetry-otlp" || rootFeatures' ? "garage/telemetry-otlp") "Win32_Storage")
(lib.optional (rootFeatures' ? "garage/opentelemetry-otlp" || rootFeatures' ? "garage/telemetry-otlp") "Win32_Storage_FileSystem")
[ "Win32_Storage" ]
[ "Win32_Storage_FileSystem" ]
[ "Win32_System" ]
(lib.optional (rootFeatures' ? "garage/kubernetes-discovery" || rootFeatures' ? "garage/opentelemetry-otlp" || rootFeatures' ? "garage/telemetry-otlp" || rootFeatures' ? "garage_rpc/kube" || rootFeatures' ? "garage_rpc/kubernetes-discovery") "Win32_System_Com")
(lib.optional (rootFeatures' ? "k2v-client/clap" || rootFeatures' ? "k2v-client/cli") "Win32_System_Console")
[ "Win32_System_Console" ]
(lib.optional (rootFeatures' ? "garage/opentelemetry-otlp" || rootFeatures' ? "garage/telemetry-otlp") "Win32_System_Diagnostics")
(lib.optional (rootFeatures' ? "garage/opentelemetry-otlp" || rootFeatures' ? "garage/telemetry-otlp") "Win32_System_Diagnostics_Debug")
[ "Win32_System_Memory" ]
@ -6751,6 +6804,21 @@ in
src = fetchCratesIo { inherit name version; sha256 = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"; };
});
"registry+https://github.com/rust-lang/crates.io-index".winnow."0.6.1" = overridableMkRustCrate (profileName: rec {
name = "winnow";
version = "0.6.1";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "d90f4e0f530c4c69f62b80d839e9ef3855edc9cba471a160c4d692deed62b401"; };
features = builtins.concatLists [
[ "alloc" ]
[ "default" ]
[ "std" ]
];
dependencies = {
memchr = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".memchr."2.7.1" { inherit profileName; }).out;
};
});
"registry+https://github.com/rust-lang/crates.io-index".winreg."0.50.0" = overridableMkRustCrate (profileName: rec {
name = "winreg";
version = "0.50.0";

21
Cargo.toml
View file

@ -3,6 +3,7 @@ resolver = "2"
members = [
"src/db",
"src/util",
"src/net",
"src/rpc",
"src/table",
"src/block",
@ -24,15 +25,13 @@ garage_api = { version = "0.10.0", path = "src/api" }
garage_block = { version = "0.10.0", path = "src/block" }
garage_db = { version = "0.10.0", path = "src/db", default-features = false }
garage_model = { version = "0.10.0", path = "src/model", default-features = false }
garage_net = { version = "0.10.0", path = "src/net" }
garage_rpc = { version = "0.10.0", path = "src/rpc" }
garage_table = { version = "0.10.0", path = "src/table" }
garage_util = { version = "0.10.0", path = "src/util" }
garage_web = { version = "0.10.0", path = "src/web" }
k2v-client = { version = "0.0.4", path = "src/k2v-client" }
# Netapp is a special sister crate
netapp = { version = "0.10", features = ["telemetry"] }
# External crates from crates.io
arc-swap = "1.0"
async-trait = "0.1.7"
@ -41,6 +40,7 @@ base64 = "0.21"
blake2 = "0.10"
bytes = "1.0"
bytesize = "1.1"
cfg-if = "1.0"
chrono = "0.4"
crypto-common = "0.1"
digest = "0.10"
@ -62,10 +62,12 @@ pin-project = "1.0.12"
pnet_datalink = "0.34"
rand = "0.8"
sha2 = "0.10"
sodiumoxide = { version = "0.2.5-0", package = "kuska-sodiumoxide" }
timeago = { version = "0.4", default-features = false }
xxhash-rust = { version = "0.8", default-features = false, features = ["xxh3"] }
sodiumoxide = { version = "0.2.5-0", package = "kuska-sodiumoxide" }
kuska-handshake = { version = "0.2.0", features = ["default", "async_std"] }
clap = { version = "4.1", features = ["derive", "env"] }
pretty_env_logger = "0.5"
structopt = { version = "0.3", default-features = false }
@ -84,7 +86,7 @@ rmp-serde = "1.1.2"
serde = { version = "1.0", default-features = false, features = ["derive", "rc"] }
serde_bytes = "0.11"
serde_json = "1.0"
toml = { versio = "0.8", default-features = false, features = ["parse"] }
toml = { version = "0.8", default-features = false, features = ["parse"] }
# newer version requires rust edition 2021
k8s-openapi = { version = "0.21", features = ["v1_24"] }
@ -97,7 +99,7 @@ http = "1.0"
httpdate = "1.0"
http-range = "0.1"
http-body-util = "0.1"
hyper = { version = "1.0", features = ["server", "http1"] }
hyper = { version = "1.0", default-features = false }
hyper-util = { version = "0.1", features = [ "full" ] }
multer = "3.0"
percent-encoding = "2.2"
@ -106,17 +108,18 @@ url = "2.3"
futures = "0.3"
futures-util = "0.3"
tokio = { version = "1.0", default-features = false, features = ["rt", "rt-multi-thread", "io-util", "net", "time", "macros", "sync", "signal", "fs"] }
tokio-util = { version = "0.7", features = ["io"] }
tokio = { version = "1.0", default-features = false, features = ["net", "rt", "rt-multi-thread", "io-util", "net", "time", "macros", "sync", "signal", "fs"] }
tokio-util = { version = "0.7", features = ["compat", "io"] }
tokio-stream = { version = "0.1", features = ["net"] }
opentelemetry = { version = "0.17", features = [ "rt-tokio", "metrics", "trace" ] }
opentelemetry-prometheus = "0.10"
opentelemetry-otlp = "0.10"
opentelemetry-contrib = "0.9"
prometheus = "0.13"
# used by the k2v-client crate only
aws-sigv4 = {version = "1.1" }
aws-sigv4 = { version = "1.1" }
hyper-rustls = { version = "0.26", features = ["http2"] }
log = "0.4"
thiserror = "1.0"

3
src/api/Cargo.toml
View file

@ -17,6 +17,7 @@ path = "lib.rs"
garage_model.workspace = true
garage_table.workspace = true
garage_block.workspace = true
garage_net.workspace = true
garage_util.workspace = true
garage_rpc.workspace = true
@ -45,7 +46,7 @@ http.workspace = true
httpdate.workspace = true
http-range.workspace = true
http-body-util.workspace = true
hyper.workspace = true
hyper = { workspace = true, default-features = false, features = ["server", "http1"] }
hyper-util.workspace = true
multer.workspace = true
percent-encoding.workspace = true

2
src/api/s3/copy.rs
View file

@ -9,7 +9,7 @@ use bytes::Bytes;
use hyper::{Request, Response};
use serde::Serialize;
use garage_rpc::netapp::bytes_buf::BytesBuf;
use garage_net::bytes_buf::BytesBuf;
use garage_rpc::rpc_helper::OrderTag;
use garage_table::*;
use garage_util::data::*;

2
src/api/s3/put.rs
View file

@ -16,7 +16,7 @@ use opentelemetry::{
Context,
};
use garage_rpc::netapp::bytes_buf::BytesBuf;
use garage_net::bytes_buf::BytesBuf;
use garage_table::*;
use garage_util::async_hash::*;
use garage_util::data::*;

2
src/api/signature/streaming.rs
View file

@ -349,7 +349,7 @@ mod tests {
crate::signature::signing_hmac(&datetime, secret_key, region, "s3").unwrap();
let data: &[&[u8]] = &[b"1"];
let body = futures::stream::iter(data.iter().map(|block| Ok(block.as_ref().into())));
let body = futures::stream::iter(data.iter().map(|block| Ok(block.to_vec().into())));
let seed_signature = Hash::default();

1
src/block/Cargo.toml
View file

@ -15,6 +15,7 @@ path = "lib.rs"
[dependencies]
garage_db.workspace = true
garage_net.workspace = true
garage_rpc.workspace = true
garage_util.workspace = true
garage_table.workspace = true

2
src/block/manager.rs
View file

@ -20,7 +20,7 @@ use opentelemetry::{
Context,
};
use garage_rpc::rpc_helper::netapp::stream::{stream_asyncread, ByteStream};
use garage_net::stream::{stream_asyncread, ByteStream};
use garage_db as db;

3
src/garage/Cargo.toml
View file

@ -26,6 +26,7 @@ garage_db.workspace = true
garage_api.workspace = true
garage_block.workspace = true
garage_model.workspace = true
garage_net.workspace = true
garage_rpc.workspace = true
garage_table.workspace = true
garage_util.workspace = true
@ -53,8 +54,6 @@ futures.workspace = true
futures-util.workspace = true
tokio.workspace = true
netapp.workspace = true
opentelemetry.workspace = true
opentelemetry-prometheus = { workspace = true, optional = true }
opentelemetry-otlp = { workspace = true, optional = true }

4
src/garage/main.rs
View file

@ -26,8 +26,8 @@ use std::path::PathBuf;
use structopt::StructOpt;
use netapp::util::parse_and_resolve_peer_addr;
use netapp::NetworkKey;
use garage_net::util::parse_and_resolve_peer_addr;
use garage_net::NetworkKey;
use garage_util::error::*;

3
src/model/Cargo.toml
View file

@ -19,6 +19,7 @@ garage_rpc.workspace = true
garage_table.workspace = true
garage_block.workspace = true
garage_util.workspace = true
garage_net.workspace = true
async-trait.workspace = true
arc-swap.workspace = true
@ -39,8 +40,6 @@ futures-util.workspace = true
tokio.workspace = true
opentelemetry.workspace = true
netapp.workspace = true
[features]
default = [ "sled", "lmdb", "sqlite" ]
k2v = [ "garage_util/k2v" ]

2
src/model/garage.rs
View file

@ -1,6 +1,6 @@
use std::sync::Arc;
use netapp::NetworkKey;
use garage_net::NetworkKey;
use garage_db as db;

6
src/model/helper/error.rs
View file

@ -22,9 +22,9 @@ pub enum Error {
NoSuchBucket(String),
}
impl From<netapp::error::Error> for Error {
fn from(e: netapp::error::Error) -> Self {
Error::Internal(GarageError::Netapp(e))
impl From<garage_net::error::Error> for Error {
fn from(e: garage_net::error::Error) -> Self {
Error::Internal(GarageError::Net(e))
}
}

2
src/model/k2v/rpc.rs
View file

@ -296,7 +296,7 @@ impl K2VRpcHandler {
};
// Send the request to all nodes, use FuturesUnordered to get the responses in any order
let msg = msg.into_req().map_err(netapp::error::Error::from)?;
let msg = msg.into_req().map_err(garage_net::error::Error::from)?;
let rs = RequestStrategy::with_priority(PRIO_NORMAL).without_timeout();
let mut requests = nodes
.iter()

45
src/net/Cargo.toml Normal file
View file

@ -0,0 +1,45 @@
[package]
name = "garage_net"
version = "0.10.0"
authors = ["Alex Auvolat <alex@adnab.me>"]
edition = "2018"
license-file = "AGPL-3.0"
description = "Networking library for Garage RPC communication, forked from Netapp"
repository = "https://git.deuxfleurs.fr/Deuxfleurs/garage"
readme = "../../README.md"
[lib]
path = "lib.rs"
[features]
default = []
telemetry = ["opentelemetry", "opentelemetry-contrib"]
[dependencies]
futures.workspace = true
pin-project.workspace = true
tokio.workspace = true
tokio-util.workspace = true
tokio-stream.workspace = true
serde.workspace = true
rmp-serde.workspace = true
hex.workspace = true
rand.workspace = true
log.workspace = true
arc-swap.workspace = true
async-trait.workspace = true
err-derive.workspace = true
bytes.workspace = true
cfg-if.workspace = true
sodiumoxide.workspace = true
kuska-handshake.workspace = true
opentelemetry = { workspace = true, optional = true }
opentelemetry-contrib = { workspace = true, optional = true }
[dev-dependencies]
pretty_env_logger.workspace = true

186
src/net/bytes_buf.rs Normal file
View file

@ -0,0 +1,186 @@
use std::cmp::Ordering;
use std::collections::VecDeque;
use bytes::BytesMut;
pub use bytes::Bytes;
/// A circular buffer of bytes, internally represented as a list of Bytes
/// for optimization, but that for all intent and purposes acts just like
/// a big byte slice which can be extended on the right and from which
/// stuff can be taken on the left.
pub struct BytesBuf {
buf: VecDeque<Bytes>,
buf_len: usize,
}
impl BytesBuf {
/// Creates a new empty BytesBuf
pub fn new() -> Self {
Self {
buf: VecDeque::new(),
buf_len: 0,
}
}
/// Returns the number of bytes stored in the BytesBuf
#[inline]
pub fn len(&self) -> usize {
self.buf_len
}
/// Returns true iff the BytesBuf contains zero bytes
#[inline]
pub fn is_empty(&self) -> bool {
self.buf_len == 0
}
/// Adds some bytes to the right of the buffer
pub fn extend(&mut self, b: Bytes) {
if !b.is_empty() {
self.buf_len += b.len();
self.buf.push_back(b);
}
}
/// Takes the whole content of the buffer and returns it as a single Bytes unit
pub fn take_all(&mut self) -> Bytes {
if self.buf.is_empty() {
Bytes::new()
} else if self.buf.len() == 1 {
self.buf_len = 0;
self.buf.pop_back().unwrap()
} else {
let mut ret = BytesMut::with_capacity(self.buf_len);
for b in self.buf.iter() {
ret.extend_from_slice(&b[..]);
}
self.buf.clear();
self.buf_len = 0;
ret.freeze()
}
}
/// Takes at most max_len bytes from the left of the buffer
pub fn take_max(&mut self, max_len: usize) -> Bytes {
if self.buf_len <= max_len {
self.take_all()
} else {
self.take_exact_ok(max_len)
}
}
/// Take exactly len bytes from the left of the buffer, returns None if
/// the BytesBuf doesn't contain enough data
pub fn take_exact(&mut self, len: usize) -> Option<Bytes> {
if self.buf_len < len {
None
} else {
Some(self.take_exact_ok(len))
}
}
fn take_exact_ok(&mut self, len: usize) -> Bytes {
assert!(len <= self.buf_len);
let front = self.buf.pop_front().unwrap();
match front.len().cmp(&len) {
Ordering::Greater => {
self.buf.push_front(front.slice(len..));
self.buf_len -= len;
front.slice(..len)
}
Ordering::Equal => {
self.buf_len -= len;
front
}
Ordering::Less => {
let mut ret = BytesMut::with_capacity(len);
ret.extend_from_slice(&front[..]);
self.buf_len -= front.len();
while ret.len() < len {
let front = self.buf.pop_front().unwrap();
if front.len() > len - ret.len() {
let take = len - ret.len();
ret.extend_from_slice(&front[..take]);
self.buf.push_front(front.slice(take..));
self.buf_len -= take;
break;
} else {
ret.extend_from_slice(&front[..]);
self.buf_len -= front.len();
}
}
ret.freeze()
}
}
}
/// Return the internal sequence of Bytes slices that make up the buffer
pub fn into_slices(self) -> VecDeque<Bytes> {
self.buf
}
}
impl Default for BytesBuf {
fn default() -> Self {
Self::new()
}
}
impl From<Bytes> for BytesBuf {
fn from(b: Bytes) -> BytesBuf {
let mut ret = BytesBuf::new();
ret.extend(b);
ret
}
}
impl From<BytesBuf> for Bytes {
fn from(mut b: BytesBuf) -> Bytes {
b.take_all()
}
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn test_bytes_buf() {
let mut buf = BytesBuf::new();
assert!(buf.len() == 0);
assert!(buf.is_empty());
buf.extend(Bytes::from(b"Hello, world!".to_vec()));
assert!(buf.len() == 13);
assert!(!buf.is_empty());
buf.extend(Bytes::from(b"1234567890".to_vec()));
assert!(buf.len() == 23);
assert!(!buf.is_empty());
assert_eq!(
buf.take_all(),
Bytes::from(b"Hello, world!1234567890".to_vec())
);
assert!(buf.len() == 0);
assert!(buf.is_empty());
buf.extend(Bytes::from(b"1234567890".to_vec()));
buf.extend(Bytes::from(b"Hello, world!".to_vec()));
assert!(buf.len() == 23);
assert!(!buf.is_empty());
assert_eq!(buf.take_max(12), Bytes::from(b"1234567890He".to_vec()));
assert!(buf.len() == 11);
assert_eq!(buf.take_exact(12), None);
assert!(buf.len() == 11);
assert_eq!(
buf.take_exact(11),
Some(Bytes::from(b"llo, world!".to_vec()))
);
assert!(buf.len() == 0);
assert!(buf.is_empty());
}
}

292
src/net/client.rs Normal file
View file

@ -0,0 +1,292 @@
use std::collections::HashMap;
use std::net::SocketAddr;
use std::pin::Pin;
use std::sync::atomic::{self, AtomicU32};
use std::sync::{Arc, Mutex};
use std::task::Poll;
use arc_swap::ArcSwapOption;
use async_trait::async_trait;
use bytes::Bytes;
use log::{debug, error, trace};
use futures::io::AsyncReadExt;
use futures::Stream;
use kuska_handshake::async_std::{handshake_client, BoxStream};
use tokio::net::TcpStream;
use tokio::select;
use tokio::sync::{mpsc, oneshot, watch};
use tokio_util::compat::*;
#[cfg(feature = "telemetry")]
use opentelemetry::{
trace::{FutureExt, Span, SpanKind, TraceContextExt, Tracer},
Context, KeyValue,
};
#[cfg(feature = "telemetry")]
use opentelemetry_contrib::trace::propagator::binary::*;
use crate::error::*;
use crate::message::*;
use crate::netapp::*;
use crate::recv::*;
use crate::send::*;
use crate::stream::*;
use crate::util::*;
pub(crate) struct ClientConn {
pub(crate) remote_addr: SocketAddr,
pub(crate) peer_id: NodeID,
query_send: ArcSwapOption<mpsc::UnboundedSender<SendItem>>,
next_query_number: AtomicU32,
inflight: Mutex<HashMap<RequestID, oneshot::Sender<ByteStream>>>,
}
impl ClientConn {
pub(crate) async fn init(
netapp: Arc<NetApp>,
socket: TcpStream,
peer_id: NodeID,
) -> Result<(), Error> {
let remote_addr = socket.peer_addr()?;
let mut socket = socket.compat();
// Do handshake to authenticate and prove our identity to server
let handshake = handshake_client(
&mut socket,
netapp.netid.clone(),
netapp.id,
netapp.privkey.clone(),
peer_id,
)
.await?;
debug!(
"Handshake complete (client) with {}@{}",
hex::encode(peer_id),
remote_addr
);
// Create BoxStream layer that encodes content
let (read, write) = socket.split();
let (mut read, write) =
BoxStream::from_handshake(read, write, handshake, 0x8000).split_read_write();
// Before doing anything, receive version tag and
// check they are running the same version as us
let mut their_version_tag = VersionTag::default();
read.read_exact(&mut their_version_tag[..]).await?;
if their_version_tag != netapp.version_tag {
let msg = format!(
"different version tags: {} (theirs) vs. {} (ours)",
hex::encode(their_version_tag),
hex::encode(netapp.version_tag)
);
error!("Cannot connect to {}: {}", hex::encode(&peer_id[..8]), msg);
return Err(Error::VersionMismatch(msg));
}
// Build and launch stuff that manages sending requests client-side
let (query_send, query_recv) = mpsc::unbounded_channel();
let (stop_recv_loop, stop_recv_loop_recv) = watch::channel(false);
let conn = Arc::new(ClientConn {
remote_addr,
peer_id,
next_query_number: AtomicU32::from(RequestID::default()),
query_send: ArcSwapOption::new(Some(Arc::new(query_send))),
inflight: Mutex::new(HashMap::new()),
});
netapp.connected_as_client(peer_id, conn.clone());
let debug_name = format!("CLI {}", hex::encode(&peer_id[..8]));
tokio::spawn(async move {
let debug_name_2 = debug_name.clone();
let send_future = tokio::spawn(conn.clone().send_loop(query_recv, write, debug_name_2));
let conn2 = conn.clone();
let recv_future = tokio::spawn(async move {
select! {
r = conn2.recv_loop(read, debug_name) => r,
_ = await_exit(stop_recv_loop_recv) => Ok(())
}
});
send_future.await.log_err("ClientConn send_loop");
// FIXME: should do here: wait for inflight requests to all have their response
stop_recv_loop
.send(true)
.log_err("ClientConn send true to stop_recv_loop");
recv_future.await.log_err("ClientConn recv_loop");
// Make sure we don't wait on any more requests that won't
// have a response
conn.inflight.lock().unwrap().clear();
netapp.disconnected_as_client(&peer_id, conn);
});
Ok(())
}
pub fn close(&self) {
self.query_send.store(None);
}
pub(crate) async fn call<T>(
self: Arc<Self>,
req: Req<T>,
path: &str,
prio: RequestPriority,
) -> Result<Resp<T>, Error>
where
T: Message,
{
let query_send = self.query_send.load_full().ok_or(Error::ConnectionClosed)?;
let id = self
.next_query_number
.fetch_add(1, atomic::Ordering::Relaxed);
cfg_if::cfg_if! {
if #[cfg(feature = "telemetry")] {
let tracer = opentelemetry::global::tracer("netapp");
let mut span = tracer.span_builder(format!("RPC >> {}", path))
.with_kind(SpanKind::Client)
.start(&tracer);
let propagator = BinaryPropagator::new();
let telemetry_id: Bytes = propagator.to_bytes(span.span_context()).to_vec().into();
} else {
let telemetry_id: Bytes = Bytes::new();
}
};
// Encode request
let req_enc = req.into_enc(prio, path.as_bytes().to_vec().into(), telemetry_id);
let req_msg_len = req_enc.msg.len();
let (req_stream, req_order) = req_enc.encode();
// Send request through
let (resp_send, resp_recv) = oneshot::channel();
let old = self.inflight.lock().unwrap().insert(id, resp_send);
if let Some(old_ch) = old {
error!(
"Too many inflight requests! RequestID collision. Interrupting previous request."
);
let _ = old_ch.send(Box::pin(futures::stream::once(async move {
Err(std::io::Error::new(
std::io::ErrorKind::Other,
"RequestID collision, too many inflight requests",
))
})));
}
debug!(
"request: query_send {}, path {}, prio {} (serialized message: {} bytes)",
id, path, prio, req_msg_len
);
#[cfg(feature = "telemetry")]
span.set_attribute(KeyValue::new("len_query_msg", req_msg_len as i64));
query_send.send(SendItem::Stream(id, prio, req_order, req_stream))?;
let canceller = CancelOnDrop::new(id, query_send.as_ref().clone());
cfg_if::cfg_if! {
if #[cfg(feature = "telemetry")] {
let stream = resp_recv
.with_context(Context::current_with_span(span))
.await?;
} else {
let stream = resp_recv.await?;
}
}
let stream = Box::pin(canceller.for_stream(stream));
let resp_enc = RespEnc::decode(stream).await?;
debug!("client: got response to request {} (path {})", id, path);
Resp::from_enc(resp_enc)
}
}
impl SendLoop for ClientConn {}
#[async_trait]
impl RecvLoop for ClientConn {
fn recv_handler(self: &Arc<Self>, id: RequestID, stream: ByteStream) {
trace!("ClientConn recv_handler {}", id);
let mut inflight = self.inflight.lock().unwrap();
if let Some(ch) = inflight.remove(&id) {
if ch.send(stream).is_err() {
debug!("Could not send request response, probably because request was interrupted. Dropping response.");
}
} else {
debug!("Got unexpected response to request {}, dropping it", id);
}
}
}
// ----
struct CancelOnDrop {
id: RequestID,
query_send: mpsc::UnboundedSender<SendItem>,
}
impl CancelOnDrop {
fn new(id: RequestID, query_send: mpsc::UnboundedSender<SendItem>) -> Self {
Self { id, query_send }
}
fn for_stream(self, stream: ByteStream) -> CancelOnDropStream {
CancelOnDropStream {
cancel: Some(self),
stream,
}
}
}
impl Drop for CancelOnDrop {
fn drop(&mut self) {
trace!("cancelling request {}", self.id);
let _ = self.query_send.send(SendItem::Cancel(self.id));
}
}
#[pin_project::pin_project]
struct CancelOnDropStream {
cancel: Option<CancelOnDrop>,
#[pin]
stream: ByteStream,
}
impl Stream for CancelOnDropStream {
type Item = Packet;
fn poll_next(
self: Pin<&mut Self>,
cx: &mut std::task::Context<'_>,
) -> Poll<Option<Self::Item>> {
let this = self.project();
let res = this.stream.poll_next(cx);
if matches!(res, Poll::Ready(None)) {
if let Some(c) = this.cancel.take() {
std::mem::forget(c)
}
}
res
}
fn size_hint(&self) -> (usize, Option<usize>) {
self.stream.size_hint()
}
}

201
src/net/endpoint.rs Normal file
View file

@ -0,0 +1,201 @@
use std::marker::PhantomData;
use std::sync::Arc;
use arc_swap::ArcSwapOption;
use async_trait::async_trait;
use crate::error::Error;
use crate::message::*;
use crate::netapp::*;
/// This trait should be implemented by an object of your application
/// that can handle a message of type `M`, if it wishes to handle
/// streams attached to the request and/or to send back streams
/// attached to the response..
///
/// The handler object should be in an Arc, see `Endpoint::set_handler`
#[async_trait]
pub trait StreamingEndpointHandler<M>: Send + Sync
where
M: Message,
{
async fn handle(self: &Arc<Self>, m: Req<M>, from: NodeID) -> Resp<M>;
}
/// If one simply wants to use an endpoint in a client fashion,
/// without locally serving requests to that endpoint,
/// use the unit type `()` as the handler type:
/// it will panic if it is ever made to handle request.
#[async_trait]
impl<M: Message> EndpointHandler<M> for () {
async fn handle(self: &Arc<()>, _m: &M, _from: NodeID) -> M::Response {
panic!("This endpoint should not have a local handler.");
}
}
// ----
/// This trait should be implemented by an object of your application
/// that can handle a message of type `M`, in the cases where it doesn't
/// care about attached stream in the request nor in the response.
#[async_trait]
pub trait EndpointHandler<M>: Send + Sync
where
M: Message,
{
async fn handle(self: &Arc<Self>, m: &M, from: NodeID) -> M::Response;
}
#[async_trait]
impl<T, M> StreamingEndpointHandler<M> for T
where
T: EndpointHandler<M>,
M: Message,
{
async fn handle(self: &Arc<Self>, mut m: Req<M>, from: NodeID) -> Resp<M> {
// Immediately drop stream to ignore all data that comes in,
// instead of buffering it indefinitely
drop(m.take_stream());
Resp::new(EndpointHandler::handle(self, m.msg(), from).await)
}
}
// ----
/// This struct represents an endpoint for message of type `M`.
///
/// Creating a new endpoint is done by calling `NetApp::endpoint`.
/// An endpoint is identified primarily by its path, which is specified
/// at creation time.
///
/// An `Endpoint` is used both to send requests to remote nodes,
/// and to specify the handler for such requests on the local node.
/// The type `H` represents the type of the handler object for
/// endpoint messages (see `StreamingEndpointHandler`).
pub struct Endpoint<M, H>
where
M: Message,
H: StreamingEndpointHandler<M>,
{
_phantom: PhantomData<M>,
netapp: Arc<NetApp>,
path: String,
handler: ArcSwapOption<H>,
}
impl<M, H> Endpoint<M, H>
where
M: Message,
H: StreamingEndpointHandler<M>,
{
pub(crate) fn new(netapp: Arc<NetApp>, path: String) -> Self {
Self {
_phantom: PhantomData::default(),
netapp,
path,
handler: ArcSwapOption::from(None),
}
}
/// Get the path of this endpoint
pub fn path(&self) -> &str {
&self.path
}
/// Set the object that is responsible of handling requests to
/// this endpoint on the local node.
pub fn set_handler(&self, h: Arc<H>) {
self.handler.swap(Some(h));
}
/// Call this endpoint on a remote node (or on the local node,
/// for that matter). This function invokes the full version that
/// allows to attach a stream to the request and to
/// receive such a stream attached to the response.
pub async fn call_streaming<T>(
&self,
target: &NodeID,
req: T,
prio: RequestPriority,
) -> Result<Resp<M>, Error>
where
T: IntoReq<M>,
{
if *target == self.netapp.id {
match self.handler.load_full() {
None => Err(Error::NoHandler),
Some(h) => Ok(h.handle(req.into_req_local(), self.netapp.id).await),
}
} else {
let conn = self
.netapp
.client_conns
.read()
.unwrap()
.get(target)
.cloned();
match conn {
None => Err(Error::Message(format!(
"Not connected: {}",
hex::encode(&target[..8])
))),
Some(c) => c.call(req.into_req()?, self.path.as_str(), prio).await,
}
}
}
/// Call this endpoint on a remote node. This function is the simplified
/// version that doesn't allow to have streams attached to the request
/// or the response; see `call_streaming` for the full version.
pub async fn call(
&self,
target: &NodeID,
req: M,
prio: RequestPriority,
) -> Result<<M as Message>::Response, Error> {
Ok(self.call_streaming(target, req, prio).await?.into_msg())
}
}
// ---- Internal stuff ----
pub(crate) type DynEndpoint = Box<dyn GenericEndpoint + Send + Sync>;
#[async_trait]
pub(crate) trait GenericEndpoint {
async fn handle(&self, req_enc: ReqEnc, from: NodeID) -> Result<RespEnc, Error>;
fn drop_handler(&self);
fn clone_endpoint(&self) -> DynEndpoint;
}
#[derive(Clone)]
pub(crate) struct EndpointArc<M, H>(pub(crate) Arc<Endpoint<M, H>>)
where
M: Message,
H: StreamingEndpointHandler<M>;
#[async_trait]
impl<M, H> GenericEndpoint for EndpointArc<M, H>
where
M: Message,
H: StreamingEndpointHandler<M> + 'static,
{
async fn handle(&self, req_enc: ReqEnc, from: NodeID) -> Result<RespEnc, Error> {
match self.0.handler.load_full() {
None => Err(Error::NoHandler),
Some(h) => {
let req = Req::from_enc(req_enc)?;
let res = h.handle(req, from).await;
Ok(res.into_enc()?)
}
}
}
fn drop_handler(&self) {
self.0.handler.swap(None);
}
fn clone_endpoint(&self) -> DynEndpoint {
Box::new(Self(self.0.clone()))
}
}

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use std::io;
use err_derive::Error;
use log::error;
#[derive(Debug, Error)]
pub enum Error {
#[error(display = "IO error: {}", _0)]
Io(#[error(source)] io::Error),
#[error(display = "Messagepack encode error: {}", _0)]
RMPEncode(#[error(source)] rmp_serde::encode::Error),
#[error(display = "Messagepack decode error: {}", _0)]
RMPDecode(#[error(source)] rmp_serde::decode::Error),
#[error(display = "Tokio join error: {}", _0)]
TokioJoin(#[error(source)] tokio::task::JoinError),
#[error(display = "oneshot receive error: {}", _0)]
OneshotRecv(#[error(source)] tokio::sync::oneshot::error::RecvError),
#[error(display = "Handshake error: {}", _0)]
Handshake(#[error(source)] kuska_handshake::async_std::Error),
#[error(display = "UTF8 error: {}", _0)]
UTF8(#[error(source)] std::string::FromUtf8Error),
#[error(display = "Framing protocol error")]
Framing,
#[error(display = "Remote error ({:?}): {}", _0, _1)]
Remote(io::ErrorKind, String),
#[error(display = "Request ID collision")]
IdCollision,
#[error(display = "{}", _0)]
Message(String),
#[error(display = "No handler / shutting down")]
NoHandler,
#[error(display = "Connection closed")]
ConnectionClosed,
#[error(display = "Version mismatch: {}", _0)]
VersionMismatch(String),
}
impl<T> From<tokio::sync::watch::error::SendError<T>> for Error {
fn from(_e: tokio::sync::watch::error::SendError<T>) -> Error {
Error::Message("Watch send error".into())
}
}
impl<T> From<tokio::sync::mpsc::error::SendError<T>> for Error {
fn from(_e: tokio::sync::mpsc::error::SendError<T>) -> Error {
Error::Message("MPSC send error".into())
}
}
/// Ths trait adds a `.log_err()` method on `Result<(), E>` types,
/// which dismisses the error by logging it to stderr.
pub trait LogError {
fn log_err(self, msg: &'static str);
}
impl<E> LogError for Result<(), E>
where
E: Into<Error>,
{
fn log_err(self, msg: &'static str) {
if let Err(e) = self {
error!("Error: {}: {}", msg, Into::<Error>::into(e));
};
}
}
impl<E, T> LogError for Result<T, E>
where
T: LogError,
E: Into<Error>,
{
fn log_err(self, msg: &'static str) {
match self {
Err(e) => error!("Error: {}: {}", msg, Into::<Error>::into(e)),
Ok(x) => x.log_err(msg),
}
}
}
// ---- Helpers for serializing I/O Errors
pub(crate) fn u8_to_io_errorkind(v: u8) -> std::io::ErrorKind {
use std::io::ErrorKind;
match v {
101 => ErrorKind::ConnectionAborted,
102 => ErrorKind::BrokenPipe,
103 => ErrorKind::WouldBlock,
104 => ErrorKind::InvalidInput,
105 => ErrorKind::InvalidData,
106 => ErrorKind::TimedOut,
107 => ErrorKind::Interrupted,
108 => ErrorKind::UnexpectedEof,
109 => ErrorKind::OutOfMemory,
110 => ErrorKind::ConnectionReset,
_ => ErrorKind::Other,
}
}
pub(crate) fn io_errorkind_to_u8(kind: std::io::ErrorKind) -> u8 {
use std::io::ErrorKind;
match kind {
ErrorKind::ConnectionAborted => 101,
ErrorKind::BrokenPipe => 102,
ErrorKind::WouldBlock => 103,
ErrorKind::InvalidInput => 104,
ErrorKind::InvalidData => 105,
ErrorKind::TimedOut => 106,
ErrorKind::Interrupted => 107,
ErrorKind::UnexpectedEof => 108,
ErrorKind::OutOfMemory => 109,
ErrorKind::ConnectionReset => 110,
_ => 100,
}
}

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//! Netapp is a Rust library that takes care of a few common tasks in distributed software:
//!
//! - establishing secure connections
//! - managing connection lifetime, reconnecting on failure
//! - checking peer's state
//! - peer discovery
//! - query/response message passing model for communications
//! - multiplexing transfers over a connection
//! - overlay networks: full mesh, and soon other methods
//!
//! Of particular interest, read the documentation for the `netapp::NetApp` type,
//! the `message::Message` trait, and `proto::RequestPriority` to learn more
//! about message priorization.
//! Also check out the examples to learn how to use this crate.
pub mod bytes_buf;
pub mod error;
pub mod stream;
pub mod util;
pub mod endpoint;
pub mod message;
mod client;
mod recv;
mod send;
mod server;
pub mod netapp;
pub mod peering;
pub use crate::netapp::*;
#[cfg(test)]
mod test;

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use std::fmt;
use std::marker::PhantomData;
use std::sync::Arc;
use bytes::{BufMut, Bytes, BytesMut};
use rand::prelude::*;
use serde::{Deserialize, Serialize};
use futures::stream::StreamExt;
use crate::error::*;
use crate::stream::*;
use crate::util::*;
/// Priority of a request (click to read more about priorities).
///
/// This priority value is used to priorize messages
/// in the send queue of the client, and their responses in the send queue of the
/// server. Lower values mean higher priority.
///
/// This mechanism is usefull for messages bigger than the maximum chunk size
/// (set at `0x4000` bytes), such as large file transfers.
/// In such case, all of the messages in the send queue with the highest priority
/// will take turns to send individual chunks, in a round-robin fashion.
/// Once all highest priority messages are sent successfully, the messages with
/// the next highest priority will begin being sent in the same way.
///
/// The same priority value is given to a request and to its associated response.
pub type RequestPriority = u8;
/// Priority class: high
pub const PRIO_HIGH: RequestPriority = 0x20;
/// Priority class: normal
pub const PRIO_NORMAL: RequestPriority = 0x40;
/// Priority class: background
pub const PRIO_BACKGROUND: RequestPriority = 0x80;
/// Priority: primary among given class
pub const PRIO_PRIMARY: RequestPriority = 0x00;
/// Priority: secondary among given class (ex: `PRIO_HIGH | PRIO_SECONDARY`)
pub const PRIO_SECONDARY: RequestPriority = 0x01;
// ----
/// An order tag can be added to a message or a response to indicate
/// whether it should be sent after or before other messages with order tags
/// referencing a same stream
#[derive(Clone, Copy, Serialize, Deserialize, Debug)]
pub struct OrderTag(pub(crate) u64, pub(crate) u64);
/// A stream is an opaque identifier that defines a set of messages
/// or responses that are ordered wrt one another using to order tags.
#[derive(Clone, Copy)]
pub struct OrderTagStream(u64);
impl OrderTag {
/// Create a new stream from which to generate order tags. Example:
/// ```ignore
/// let stream = OrderTag.stream();
/// let tag_1 = stream.order(1);
/// let tag_2 = stream.order(2);
/// ```
pub fn stream() -> OrderTagStream {
OrderTagStream(thread_rng().gen())
}
}
impl OrderTagStream {
/// Create the order tag for message `order` in this stream
pub fn order(&self, order: u64) -> OrderTag {
OrderTag(self.0, order)
}
}
// ----
/// This trait should be implemented by all messages your application
/// wants to handle. It specifies which data type should be sent
/// as a response to this message in the RPC protocol.
pub trait Message: Serialize + for<'de> Deserialize<'de> + Send + Sync + 'static {
/// The type of the response that is sent in response to this message
type Response: Serialize + for<'de> Deserialize<'de> + Send + Sync + 'static;
}
// ----
/// The Req<M> is a helper object used to create requests and attach them
/// a stream of data. If the stream is a fixed Bytes and not a ByteStream,
/// Req<M> is cheaply clonable to allow the request to be sent to different
/// peers (Clone will panic if the stream is a ByteStream).
pub struct Req<M: Message> {
pub(crate) msg: Arc<M>,
pub(crate) msg_ser: Option<Bytes>,
pub(crate) stream: AttachedStream,
pub(crate) order_tag: Option<OrderTag>,
}
impl<M: Message> Req<M> {
/// Creates a new request from a base message `M`
pub fn new(v: M) -> Result<Self, Error> {
Ok(v.into_req()?)
}
/// Attach a stream to message in request, where the stream is streamed
/// from a fixed `Bytes` buffer
pub fn with_stream_from_buffer(self, b: Bytes) -> Self {
Self {
stream: AttachedStream::Fixed(b),
..self
}
}
/// Attach a stream to message in request, where the stream is
/// an instance of `ByteStream`. Note than when a `Req<M>` has an attached
/// stream which is a `ByteStream` instance, it can no longer be cloned
/// to be sent to different nodes (`.clone()` will panic)
pub fn with_stream(self, b: ByteStream) -> Self {
Self {
stream: AttachedStream::Stream(b),
..self
}
}
/// Add an order tag to this request to indicate in which order it should
/// be sent.
pub fn with_order_tag(self, order_tag: OrderTag) -> Self {
Self {
order_tag: Some(order_tag),
..self
}
}
/// Get a reference to the message `M` contained in this request
pub fn msg(&self) -> &M {
&self.msg
}
/// Takes out the stream attached to this request, if any
pub fn take_stream(&mut self) -> Option<ByteStream> {
std::mem::replace(&mut self.stream, AttachedStream::None).into_stream()
}
pub(crate) fn into_enc(
self,
prio: RequestPriority,
path: Bytes,
telemetry_id: Bytes,
) -> ReqEnc {
ReqEnc {
prio,
path,
telemetry_id,
msg: self.msg_ser.unwrap(),
stream: self.stream.into_stream(),
order_tag: self.order_tag,
}
}
pub(crate) fn from_enc(enc: ReqEnc) -> Result<Self, rmp_serde::decode::Error> {
let msg = rmp_serde::decode::from_slice(&enc.msg)?;
Ok(Req {
msg: Arc::new(msg),
msg_ser: Some(enc.msg),
stream: enc
.stream
.map(AttachedStream::Stream)
.unwrap_or(AttachedStream::None),
order_tag: enc.order_tag,
})
}
}
/// `IntoReq<M>` represents any object that can be transformed into `Req<M>`
pub trait IntoReq<M: Message> {
/// Transform the object into a `Req<M>`, serializing the message M
/// to be sent to remote nodes
fn into_req(self) -> Result<Req<M>, rmp_serde::encode::Error>;
/// Transform the object into a `Req<M>`, skipping the serialization
/// of message M, in the case we are not sending this RPC message to
/// a remote node
fn into_req_local(self) -> Req<M>;
}
impl<M: Message> IntoReq<M> for M {
fn into_req(self) -> Result<Req<M>, rmp_serde::encode::Error> {
let msg_ser = rmp_to_vec_all_named(&self)?;
Ok(Req {
msg: Arc::new(self),
msg_ser: Some(Bytes::from(msg_ser)),
stream: AttachedStream::None,
order_tag: None,
})
}
fn into_req_local(self) -> Req<M> {
Req {
msg: Arc::new(self),
msg_ser: None,
stream: AttachedStream::None,
order_tag: None,
}
}
}
impl<M: Message> IntoReq<M> for Req<M> {
fn into_req(self) -> Result<Req<M>, rmp_serde::encode::Error> {
Ok(self)
}
fn into_req_local(self) -> Req<M> {
self
}
}
impl<M: Message> Clone for Req<M> {
fn clone(&self) -> Self {
let stream = match &self.stream {
AttachedStream::None => AttachedStream::None,
AttachedStream::Fixed(b) => AttachedStream::Fixed(b.clone()),
AttachedStream::Stream(_) => {
panic!("Cannot clone a Req<_> with a non-buffer attached stream")
}
};
Self {
msg: self.msg.clone(),
msg_ser: self.msg_ser.clone(),
stream,
order_tag: self.order_tag,
}
}
}
impl<M> fmt::Debug for Req<M>
where
M: Message + fmt::Debug,
{
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
write!(f, "Req[{:?}", self.msg)?;
match &self.stream {
AttachedStream::None => write!(f, "]"),
AttachedStream::Fixed(b) => write!(f, "; stream=buf:{}]", b.len()),
AttachedStream::Stream(_) => write!(f, "; stream]"),
}
}
}
// ----
/// The Resp<M> represents a full response from a RPC that may have
/// an attached stream.
pub struct Resp<M: Message> {
pub(crate) _phantom: PhantomData<M>,
pub(crate) msg: M::Response,
pub(crate) stream: AttachedStream,
pub(crate) order_tag: Option<OrderTag>,
}
impl<M: Message> Resp<M> {
/// Creates a new response from a base response message
pub fn new(v: M::Response) -> Self {
Resp {
_phantom: Default::default(),
msg: v,
stream: AttachedStream::None,
order_tag: None,
}
}
/// Attach a stream to message in response, where the stream is streamed
/// from a fixed `Bytes` buffer
pub fn with_stream_from_buffer(self, b: Bytes) -> Self {
Self {
stream: AttachedStream::Fixed(b),
..self
}
}
/// Attach a stream to message in response, where the stream is
/// an instance of `ByteStream`.
pub fn with_stream(self, b: ByteStream) -> Self {
Self {
stream: AttachedStream::Stream(b),
..self
}
}
/// Add an order tag to this response to indicate in which order it should
/// be sent.
pub fn with_order_tag(self, order_tag: OrderTag) -> Self {
Self {
order_tag: Some(order_tag),
..self
}
}
/// Get a reference to the response message contained in this request
pub fn msg(&self) -> &M::Response {
&self.msg
}
/// Transforms the `Resp<M>` into the response message it contains,
/// dropping everything else (including attached data stream)
pub fn into_msg(self) -> M::Response {
self.msg
}
/// Transforms the `Resp<M>` into, on the one side, the response message
/// it contains, and on the other side, the associated data stream
/// if it exists
pub fn into_parts(self) -> (M::Response, Option<ByteStream>) {
(self.msg, self.stream.into_stream())
}
pub(crate) fn into_enc(self) -> Result<RespEnc, rmp_serde::encode::Error> {
Ok(RespEnc {
msg: rmp_to_vec_all_named(&self.msg)?.into(),
stream: self.stream.into_stream(),
order_tag: self.order_tag,
})
}
pub(crate) fn from_enc(enc: RespEnc) -> Result<Self, Error> {
let msg = rmp_serde::decode::from_slice(&enc.msg)?;
Ok(Self {
_phantom: Default::default(),
msg,
stream: enc
.stream
.map(AttachedStream::Stream)
.unwrap_or(AttachedStream::None),
order_tag: enc.order_tag,
})
}
}
impl<M> fmt::Debug for Resp<M>
where
M: Message,
<M as Message>::Response: fmt::Debug,
{
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
write!(f, "Resp[{:?}", self.msg)?;
match &self.stream {
AttachedStream::None => write!(f, "]"),
AttachedStream::Fixed(b) => write!(f, "; stream=buf:{}]", b.len()),
AttachedStream::Stream(_) => write!(f, "; stream]"),
}
}
}
// ----
pub(crate) enum AttachedStream {
None,
Fixed(Bytes),
Stream(ByteStream),
}
impl AttachedStream {
pub fn into_stream(self) -> Option<ByteStream> {
match self {
AttachedStream::None => None,
AttachedStream::Fixed(b) => Some(Box::pin(futures::stream::once(async move { Ok(b) }))),
AttachedStream::Stream(s) => Some(s),
}
}
}
// ---- ----
/// Encoding for requests into a ByteStream:
/// - priority: u8
/// - path length: u8
/// - path: [u8; path length]
/// - telemetry id length: u8
/// - telemetry id: [u8; telemetry id length]
/// - msg len: u32
/// - msg [u8; ..]
/// - the attached stream as the rest of the encoded stream
pub(crate) struct ReqEnc {
pub(crate) prio: RequestPriority,
pub(crate) path: Bytes,
pub(crate) telemetry_id: Bytes,
pub(crate) msg: Bytes,
pub(crate) stream: Option<ByteStream>,
pub(crate) order_tag: Option<OrderTag>,
}
impl ReqEnc {
pub(crate) fn encode(self) -> (ByteStream, Option<OrderTag>) {
let mut buf = BytesMut::with_capacity(
self.path.len() + self.telemetry_id.len() + self.msg.len() + 16,
);
buf.put_u8(self.prio);
buf.put_u8(self.path.len() as u8);
buf.put(self.path);
buf.put_u8(self.telemetry_id.len() as u8);
buf.put(&self.telemetry_id[..]);
buf.put_u32(self.msg.len() as u32);
let header = buf.freeze();
let res_stream: ByteStream = if let Some(stream) = self.stream {
Box::pin(futures::stream::iter([Ok(header), Ok(self.msg)]).chain(stream))
} else {
Box::pin(futures::stream::iter([Ok(header), Ok(self.msg)]))
};
(res_stream, self.order_tag)
}
pub(crate) async fn decode(stream: ByteStream) -> Result<Self, Error> {
Self::decode_aux(stream)
.await
.map_err(read_exact_error_to_error)
}
async fn decode_aux(stream: ByteStream) -> Result<Self, ReadExactError> {
let mut reader = ByteStreamReader::new(stream);
let prio = reader.read_u8().await?;
let path_len = reader.read_u8().await?;
let path = reader.read_exact(path_len as usize).await?;
let telemetry_id_len = reader.read_u8().await?;
let telemetry_id = reader.read_exact(telemetry_id_len as usize).await?;
let msg_len = reader.read_u32().await?;
let msg = reader.read_exact(msg_len as usize).await?;
Ok(Self {
prio,
path,
telemetry_id,
msg,
stream: Some(reader.into_stream()),
order_tag: None,
})
}
}
/// Encoding for responses into a ByteStream:
/// IF SUCCESS:
/// - 0: u8
/// - msg len: u32
/// - msg [u8; ..]
/// - the attached stream as the rest of the encoded stream
/// IF ERROR:
/// - message length + 1: u8
/// - error code: u8
/// - message: [u8; message_length]
pub(crate) struct RespEnc {
msg: Bytes,
stream: Option<ByteStream>,
order_tag: Option<OrderTag>,
}
impl RespEnc {
pub(crate) fn encode(resp: Result<Self, Error>) -> (ByteStream, Option<OrderTag>) {
match resp {
Ok(Self {
msg,
stream,
order_tag,
}) => {
let mut buf = BytesMut::with_capacity(4);
buf.put_u32(msg.len() as u32);
let header = buf.freeze();
let res_stream: ByteStream = if let Some(stream) = stream {
Box::pin(futures::stream::iter([Ok(header), Ok(msg)]).chain(stream))
} else {
Box::pin(futures::stream::iter([Ok(header), Ok(msg)]))
};
(res_stream, order_tag)
}
Err(err) => {
let err = std::io::Error::new(
std::io::ErrorKind::Other,
format!("netapp error: {}", err),
);
(
Box::pin(futures::stream::once(async move { Err(err) })),
None,
)
}
}
}
pub(crate) async fn decode(stream: ByteStream) -> Result<Self, Error> {
Self::decode_aux(stream)
.await
.map_err(read_exact_error_to_error)
}
async fn decode_aux(stream: ByteStream) -> Result<Self, ReadExactError> {
let mut reader = ByteStreamReader::new(stream);
let msg_len = reader.read_u32().await?;
let msg = reader.read_exact(msg_len as usize).await?;
// Check whether the response stream still has data or not.
// If no more data is coming, this will defuse the request canceller.
// If we didn't do this, and the client doesn't try to read from the stream,
// the request canceller doesn't know that we read everything and
// sends a cancellation message to the server (which they don't care about).
reader.fill_buffer().await;
Ok(Self {
msg,
stream: Some(reader.into_stream()),
order_tag: None,
})
}
}
fn read_exact_error_to_error(e: ReadExactError) -> Error {
match e {
ReadExactError::Stream(err) => Error::Remote(err.kind(), err.to_string()),
ReadExactError::UnexpectedEos => Error::Framing,
}
}

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use std::collections::HashMap;
use std::net::{IpAddr, SocketAddr};
use std::sync::{Arc, RwLock};
use log::{debug, error, info, trace, warn};
use arc_swap::ArcSwapOption;
use async_trait::async_trait;
use serde::{Deserialize, Serialize};
use sodiumoxide::crypto::auth;
use sodiumoxide::crypto::sign::ed25519;
use futures::stream::futures_unordered::FuturesUnordered;
use futures::stream::StreamExt;
use tokio::net::{TcpListener, TcpStream};
use tokio::select;
use tokio::sync::{mpsc, watch};
use crate::client::*;
use crate::endpoint::*;
use crate::error::*;
use crate::message::*;
use crate::server::*;
/// A node's identifier, which is also its public cryptographic key
pub type NodeID = sodiumoxide::crypto::sign::ed25519::PublicKey;
/// A node's secret key
pub type NodeKey = sodiumoxide::crypto::sign::ed25519::SecretKey;
/// A network key
pub type NetworkKey = sodiumoxide::crypto::auth::Key;
/// Tag which is exchanged between client and server upon connection establishment
/// to check that they are running compatible versions of Netapp,
/// composed of 8 bytes for Netapp version and 8 bytes for client version
pub(crate) type VersionTag = [u8; 16];
/// Value of the Netapp version used in the version tag
pub(crate) const NETAPP_VERSION_TAG: u64 = 0x6e65746170700005; // netapp 0x0005
#[derive(Serialize, Deserialize, Debug)]
pub(crate) struct HelloMessage {
pub server_addr: Option<IpAddr>,
pub server_port: u16,
}
impl Message for HelloMessage {
type Response = ();
}
type OnConnectHandler = Box<dyn Fn(NodeID, SocketAddr, bool) + Send + Sync>;
type OnDisconnectHandler = Box<dyn Fn(NodeID, bool) + Send + Sync>;
/// NetApp is the main class that handles incoming and outgoing connections.
///
/// NetApp can be used in a stand-alone fashion or together with a peering strategy.
/// If using it alone, you will want to set `on_connect` and `on_disconnect` events
/// in order to manage information about the current peer list.
///
/// It is generally not necessary to use NetApp stand-alone, as the provided full mesh
/// and RPS peering strategies take care of the most common use cases.
pub struct NetApp {
listen_params: ArcSwapOption<ListenParams>,
/// Version tag, 8 bytes for netapp version, 8 bytes for app version
pub version_tag: VersionTag,
/// Network secret key
pub netid: auth::Key,
/// Our peer ID
pub id: NodeID,
/// Private key associated with our peer ID
pub privkey: ed25519::SecretKey,
pub(crate) server_conns: RwLock<HashMap<NodeID, Arc<ServerConn>>>,
pub(crate) client_conns: RwLock<HashMap<NodeID, Arc<ClientConn>>>,
pub(crate) endpoints: RwLock<HashMap<String, DynEndpoint>>,
hello_endpoint: ArcSwapOption<Endpoint<HelloMessage, NetApp>>,
on_connected_handler: ArcSwapOption<OnConnectHandler>,
on_disconnected_handler: ArcSwapOption<OnDisconnectHandler>,
}
struct ListenParams {
listen_addr: SocketAddr,
public_addr: Option<IpAddr>,
}
impl NetApp {
/// Creates a new instance of NetApp, which can serve either as a full p2p node,
/// or just as a passive client. To upgrade to a full p2p node, spawn a listener
/// using `.listen()`
///
/// Our Peer ID is the public key associated to the secret key given here.
pub fn new(app_version_tag: u64, netid: auth::Key, privkey: ed25519::SecretKey) -> Arc<Self> {
let mut version_tag = [0u8; 16];
version_tag[0..8].copy_from_slice(&u64::to_be_bytes(NETAPP_VERSION_TAG)[..]);
version_tag[8..16].copy_from_slice(&u64::to_be_bytes(app_version_tag)[..]);
let id = privkey.public_key();
let netapp = Arc::new(Self {
listen_params: ArcSwapOption::new(None),
version_tag,
netid,
id,
privkey,
server_conns: RwLock::new(HashMap::new()),
client_conns: RwLock::new(HashMap::new()),
endpoints: RwLock::new(HashMap::new()),
hello_endpoint: ArcSwapOption::new(None),
on_connected_handler: ArcSwapOption::new(None),
on_disconnected_handler: ArcSwapOption::new(None),
});
netapp
.hello_endpoint
.swap(Some(netapp.endpoint("__netapp/netapp.rs/Hello".into())));
netapp
.hello_endpoint
.load_full()
.unwrap()
.set_handler(netapp.clone());
netapp
}
/// Set the handler to be called when a new connection (incoming or outgoing) has
/// been successfully established. Do not set this if using a peering strategy,
/// as the peering strategy will need to set this itself.
pub fn on_connected<F>(&self, handler: F)
where
F: Fn(NodeID, SocketAddr, bool) + Sized + Send + Sync + 'static,
{
self.on_connected_handler
.store(Some(Arc::new(Box::new(handler))));
}
/// Set the handler to be called when an existing connection (incoming or outgoing) has
/// been closed by either party. Do not set this if using a peering strategy,
/// as the peering strategy will need to set this itself.
pub fn on_disconnected<F>(&self, handler: F)
where
F: Fn(NodeID, bool) + Sized + Send + Sync + 'static,
{
self.on_disconnected_handler
.store(Some(Arc::new(Box::new(handler))));
}
/// Create a new endpoint with path `path`,
/// that handles messages of type `M`.
/// `H` is the type of the object that should handle requests
/// to this endpoint on the local node. If you don't want
/// to handle request on the local node (e.g. if this node
/// is only a client in the network), define the type `H`
/// to be `()`.
/// This function will panic if the endpoint has already been
/// created.
pub fn endpoint<M, H>(self: &Arc<Self>, path: String) -> Arc<Endpoint<M, H>>
where
M: Message + 'static,
H: StreamingEndpointHandler<M> + 'static,
{
let endpoint = Arc::new(Endpoint::<M, H>::new(self.clone(), path.clone()));
let endpoint_arc = EndpointArc(endpoint.clone());
if self
.endpoints
.write()
.unwrap()
.insert(path.clone(), Box::new(endpoint_arc))
.is_some()
{
panic!("Redefining endpoint: {}", path);
};
endpoint
}
/// Main listening process for our app. This future runs during the whole
/// run time of our application.
/// If this is not called, the NetApp instance remains a passive client.
pub async fn listen(
self: Arc<Self>,
listen_addr: SocketAddr,
public_addr: Option<IpAddr>,
mut must_exit: watch::Receiver<bool>,
) {
let listen_params = ListenParams {
listen_addr,
public_addr,
};
if self
.listen_params
.swap(Some(Arc::new(listen_params)))
.is_some()
{
error!("Trying to listen on NetApp but we're already listening!");
}
let listener = TcpListener::bind(listen_addr).await.unwrap();
info!("Listening on {}", listen_addr);
let (conn_in, mut conn_out) = mpsc::unbounded_channel();
let connection_collector = tokio::spawn(async move {
let mut collection = FuturesUnordered::new();
loop {
if collection.is_empty() {
match conn_out.recv().await {
Some(f) => collection.push(f),
None => break,
}
} else {
select! {
new_fut = conn_out.recv() => {
match new_fut {
Some(f) => collection.push(f),
None => break,
}
}
result = collection.next() => {
trace!("Collected connection: {:?}", result);
}
}
}
}
debug!("Collecting last open server connections.");
while let Some(conn_res) = collection.next().await {
trace!("Collected connection: {:?}", conn_res);
}
debug!("No more server connections to collect");
});
while !*must_exit.borrow_and_update() {
let (socket, peer_addr) = select! {
sockres = listener.accept() => {
match sockres {
Ok(x) => x,
Err(e) => {
warn!("Error in listener.accept: {}", e);
continue;
}
}
},
_ = must_exit.changed() => continue,
};
info!(
"Incoming connection from {}, negotiating handshake...",
peer_addr
);
let self2 = self.clone();
let must_exit2 = must_exit.clone();
conn_in
.send(tokio::spawn(async move {
ServerConn::run(self2, socket, must_exit2)
.await
.log_err("ServerConn::run");
}))
.log_err("Failed to send connection to connection collector");
}
drop(conn_in);
connection_collector
.await
.log_err("Failed to await for connection collector");
}
/// Drop all endpoint handlers, as well as handlers for connection/disconnection
/// events. (This disables the peering strategy)
///
/// Use this when terminating to break reference cycles
pub fn drop_all_handlers(&self) {
for (_, endpoint) in self.endpoints.read().unwrap().iter() {
endpoint.drop_handler();
}
self.on_connected_handler.store(None);
self.on_disconnected_handler.store(None);
}
/// Attempt to connect to a peer, given by its ip:port and its public key.
/// The public key will be checked during the secret handshake process.
/// This function returns once the connection has been established and a
/// successfull handshake was made. At this point we can send messages to
/// the other node with `Netapp::request`
pub async fn try_connect(self: Arc<Self>, ip: SocketAddr, id: NodeID) -> Result<(), Error> {
// Don't connect to ourself, we don't care
// but pretend we did
if id == self.id {
tokio::spawn(async move {
if let Some(h) = self.on_connected_handler.load().as_ref() {
h(id, ip, false);
}
});
return Ok(());
}
// Don't connect if already connected
if self.client_conns.read().unwrap().contains_key(&id) {
return Ok(());
}
let socket = TcpStream::connect(ip).await?;
info!("Connected to {}, negotiating handshake...", ip);
ClientConn::init(self, socket, id).await?;
Ok(())
}
/// Close the outgoing connection we have to a node specified by its public key,
/// if such a connection is currently open.
pub fn disconnect(self: &Arc<Self>, id: &NodeID) {
// If id is ourself, we're not supposed to have a connection open
if *id != self.id {
let conn = self.client_conns.write().unwrap().remove(id);
if let Some(c) = conn {
debug!(
"Closing connection to {} ({})",
hex::encode(&c.peer_id[..8]),
c.remote_addr
);
c.close();
} else {
return;
}
}
// call on_disconnected_handler immediately, since the connection
// was removed
// (if id == self.id, we pretend we disconnected)
let id = *id;
let self2 = self.clone();
tokio::spawn(async move {
if let Some(h) = self2.on_disconnected_handler.load().as_ref() {
h(id, false);
}
});
}
// Called from conn.rs when an incoming connection is successfully established
// Registers the connection in our list of connections
// Do not yet call the on_connected handler, because we don't know if the remote
// has an actual IP address and port we can call them back on.
// We will know this when they send a Hello message, which is handled below.
pub(crate) fn connected_as_server(&self, id: NodeID, conn: Arc<ServerConn>) {
info!(
"Accepted connection from {} at {}",
hex::encode(&id[..8]),
conn.remote_addr
);
self.server_conns.write().unwrap().insert(id, conn);
}
// Handle hello message from a client. This message is used for them to tell us
// that they are listening on a certain port number on which we can call them back.
// At this point we know they are a full network member, and not just a client,
// and we call the on_connected handler so that the peering strategy knows
// we have a new potential peer
// Called from conn.rs when an incoming connection is closed.
// We deregister the connection from server_conns and call the
// handler registered by on_disconnected
pub(crate) fn disconnected_as_server(&self, id: &NodeID, conn: Arc<ServerConn>) {
info!("Connection from {} closed", hex::encode(&id[..8]));
let mut conn_list = self.server_conns.write().unwrap();
if let Some(c) = conn_list.get(id) {
if Arc::ptr_eq(c, &conn) {
conn_list.remove(id);
drop(conn_list);
if let Some(h) = self.on_disconnected_handler.load().as_ref() {
h(conn.peer_id, true);
}
}
}
}
// Called from conn.rs when an outgoinc connection is successfully established.
// The connection is registered in self.client_conns, and the
// on_connected handler is called.
//
// Since we are ourself listening, we send them a Hello message so that
// they know on which port to call us back. (TODO: don't do this if we are
// just a simple client and not a full p2p node)
pub(crate) fn connected_as_client(&self, id: NodeID, conn: Arc<ClientConn>) {
info!("Connection established to {}", hex::encode(&id[..8]));
{
let old_c_opt = self.client_conns.write().unwrap().insert(id, conn.clone());
if let Some(old_c) = old_c_opt {
tokio::spawn(async move { old_c.close() });
}
}
if let Some(h) = self.on_connected_handler.load().as_ref() {
h(conn.peer_id, conn.remote_addr, false);
}
if let Some(lp) = self.listen_params.load_full() {
let server_addr = lp.public_addr;
let server_port = lp.listen_addr.port();
let hello_endpoint = self.hello_endpoint.load_full().unwrap();
tokio::spawn(async move {
hello_endpoint
.call(
&conn.peer_id,
HelloMessage {
server_addr,
server_port,
},
PRIO_NORMAL,
)
.await
.map(|_| ())
.log_err("Sending hello message");
});
}
}
// Called from conn.rs when an outgoinc connection is closed.
// The connection is removed from conn_list, and the on_disconnected handler
// is called.
pub(crate) fn disconnected_as_client(&self, id: &NodeID, conn: Arc<ClientConn>) {
info!("Connection to {} closed", hex::encode(&id[..8]));
let mut conn_list = self.client_conns.write().unwrap();
if let Some(c) = conn_list.get(id) {
if Arc::ptr_eq(c, &conn) {
conn_list.remove(id);
drop(conn_list);
if let Some(h) = self.on_disconnected_handler.load().as_ref() {
h(conn.peer_id, false);
}
}
}
// else case: happens if connection was removed in .disconnect()
// in which case on_disconnected_handler was already called
}
}
#[async_trait]
impl EndpointHandler<HelloMessage> for NetApp {
async fn handle(self: &Arc<Self>, msg: &HelloMessage, from: NodeID) {
debug!("Hello from {:?}: {:?}", hex::encode(&from[..8]), msg);
if let Some(h) = self.on_connected_handler.load().as_ref() {
if let Some(c) = self.server_conns.read().unwrap().get(&from) {
let remote_ip = msg.server_addr.unwrap_or_else(|| c.remote_addr.ip());
let remote_addr = SocketAddr::new(remote_ip, msg.server_port);
h(from, remote_addr, true);
}
}
}
}

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use std::collections::{HashMap, VecDeque};
use std::net::SocketAddr;
use std::sync::atomic::{self, AtomicU64};
use std::sync::{Arc, RwLock};
use std::time::{Duration, Instant};
use arc_swap::ArcSwap;
use async_trait::async_trait;
use log::{debug, info, trace, warn};
use serde::{Deserialize, Serialize};
use tokio::select;
use tokio::sync::watch;
use sodiumoxide::crypto::hash;
use crate::endpoint::*;
use crate::error::*;
use crate::netapp::*;
use crate::message::*;
use crate::NodeID;
const CONN_RETRY_INTERVAL: Duration = Duration::from_secs(30);
const CONN_MAX_RETRIES: usize = 10;
const PING_INTERVAL: Duration = Duration::from_secs(15);
const LOOP_DELAY: Duration = Duration::from_secs(1);
const FAILED_PING_THRESHOLD: usize = 4;
const DEFAULT_PING_TIMEOUT_MILLIS: u64 = 10_000;
// -- Protocol messages --
#[derive(Serialize, Deserialize)]
struct PingMessage {
pub id: u64,
pub peer_list_hash: hash::Digest,
}
impl Message for PingMessage {
type Response = PingMessage;
}
#[derive(Serialize, Deserialize)]
struct PeerListMessage {
pub list: Vec<(NodeID, SocketAddr)>,
}
impl Message for PeerListMessage {
type Response = PeerListMessage;
}
// -- Algorithm data structures --
#[derive(Debug)]
struct PeerInfoInternal {
// addr is the currently connected address,
// or the last address we were connected to,
// or an arbitrary address some other peer gave us
addr: SocketAddr,
// all_addrs contains all of the addresses everyone gave us
all_addrs: Vec<SocketAddr>,
state: PeerConnState,
last_send_ping: Option<Instant>,
last_seen: Option<Instant>,
ping: VecDeque<Duration>,
failed_pings: usize,
}
impl PeerInfoInternal {
fn new(addr: SocketAddr, state: PeerConnState) -> Self {
Self {
addr,
all_addrs: vec![addr],
state,
last_send_ping: None,
last_seen: None,
ping: VecDeque::new(),
failed_pings: 0,
}
}
}
/// Information that the full mesh peering strategy can return about the peers it knows of
#[derive(Copy, Clone, Debug)]
pub struct PeerInfo {
/// The node's identifier (its public key)
pub id: NodeID,
/// The node's network address
pub addr: SocketAddr,
/// The current status of our connection to this node
pub state: PeerConnState,
/// The last time at which the node was seen
pub last_seen: Option<Instant>,
/// The average ping to this node on recent observations (if at least one ping value is known)
pub avg_ping: Option<Duration>,
/// The maximum observed ping to this node on recent observations (if at least one
/// ping value is known)
pub max_ping: Option<Duration>,
/// The median ping to this node on recent observations (if at least one ping value
/// is known)
pub med_ping: Option<Duration>,
}
impl PeerInfo {
/// Returns true if we can currently send requests to this peer
pub fn is_up(&self) -> bool {
self.state.is_up()
}
}
/// PeerConnState: possible states for our tentative connections to given peer
/// This structure is only interested in recording connection info for outgoing
/// TCP connections
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum PeerConnState {
/// This entry represents ourself (the local node)
Ourself,
/// We currently have a connection to this peer
Connected,
/// Our next connection tentative (the nth, where n is the first value of the tuple)
/// will be at given Instant
Waiting(usize, Instant),
/// A connection tentative is in progress (the nth, where n is the value stored)
Trying(usize),
/// We abandonned trying to connect to this peer (too many failed attempts)
Abandonned,
}
impl PeerConnState {
/// Returns true if we can currently send requests to this peer
pub fn is_up(&self) -> bool {
matches!(self, Self::Ourself | Self::Connected)
}
}
struct KnownHosts {
list: HashMap<NodeID, PeerInfoInternal>,
hash: hash::Digest,
}
impl KnownHosts {
fn new() -> Self {
let list = HashMap::new();
let hash = Self::calculate_hash(&list);
Self { list, hash }
}
fn update_hash(&mut self) {
self.hash = Self::calculate_hash(&self.list);
}
fn map_into_vec(input: &HashMap<NodeID, PeerInfoInternal>) -> Vec<(NodeID, SocketAddr)> {
let mut list = Vec::with_capacity(input.len());
for (id, peer) in input.iter() {
if peer.state == PeerConnState::Connected || peer.state == PeerConnState::Ourself {
list.push((*id, peer.addr));
}
}
list
}
fn calculate_hash(input: &HashMap<NodeID, PeerInfoInternal>) -> hash::Digest {
let mut list = Self::map_into_vec(input);
list.sort();
let mut hash_state = hash::State::new();
for (id, addr) in list {
hash_state.update(&id[..]);
hash_state.update(&format!("{}\n", addr).into_bytes()[..]);
}
hash_state.finalize()
}
}
/// A "Full Mesh" peering strategy is a peering strategy that tries
/// to establish and maintain a direct connection with all of the
/// known nodes in the network.
pub struct PeeringManager {
netapp: Arc<NetApp>,
known_hosts: RwLock<KnownHosts>,
public_peer_list: ArcSwap<Vec<PeerInfo>>,
next_ping_id: AtomicU64,
ping_endpoint: Arc<Endpoint<PingMessage, Self>>,
peer_list_endpoint: Arc<Endpoint<PeerListMessage, Self>>,
ping_timeout_millis: AtomicU64,
}
impl PeeringManager {
/// Create a new Full Mesh peering strategy.
/// The strategy will not be run until `.run()` is called and awaited.
/// Once that happens, the peering strategy will try to connect
/// to all of the nodes specified in the bootstrap list.
pub fn new(
netapp: Arc<NetApp>,
bootstrap_list: Vec<(NodeID, SocketAddr)>,
our_addr: Option<SocketAddr>,
) -> Arc<Self> {
let mut known_hosts = KnownHosts::new();
for (id, addr) in bootstrap_list {
if id != netapp.id {
known_hosts.list.insert(
id,
PeerInfoInternal::new(addr, PeerConnState::Waiting(0, Instant::now())),
);
}
}
if let Some(addr) = our_addr {
known_hosts.list.insert(
netapp.id,
PeerInfoInternal::new(addr, PeerConnState::Ourself),
);
}
// TODO for v0.10 / v1.0 : rename the endpoint (it will break compatibility)
let strat = Arc::new(Self {
netapp: netapp.clone(),
known_hosts: RwLock::new(known_hosts),
public_peer_list: ArcSwap::new(Arc::new(Vec::new())),
next_ping_id: AtomicU64::new(42),
ping_endpoint: netapp.endpoint("__netapp/peering/fullmesh.rs/Ping".into()),
peer_list_endpoint: netapp.endpoint("__netapp/peering/fullmesh.rs/PeerList".into()),
ping_timeout_millis: DEFAULT_PING_TIMEOUT_MILLIS.into(),
});
strat.update_public_peer_list(&strat.known_hosts.read().unwrap());
strat.ping_endpoint.set_handler(strat.clone());
strat.peer_list_endpoint.set_handler(strat.clone());
let strat2 = strat.clone();
netapp.on_connected(move |id: NodeID, addr: SocketAddr, is_incoming: bool| {
let strat2 = strat2.clone();
strat2.on_connected(id, addr, is_incoming);
});
let strat2 = strat.clone();
netapp.on_disconnected(move |id: NodeID, is_incoming: bool| {
let strat2 = strat2.clone();
strat2.on_disconnected(id, is_incoming);
});
strat
}
/// Run the full mesh peering strategy.
/// This future exits when the `must_exit` watch becomes true.
pub async fn run(self: Arc<Self>, must_exit: watch::Receiver<bool>) {
while !*must_exit.borrow() {
// 1. Read current state: get list of connected peers (ping them)
let (to_ping, to_retry) = {
let known_hosts = self.known_hosts.read().unwrap();
trace!("known_hosts: {} peers", known_hosts.list.len());
let mut to_ping = vec![];
let mut to_retry = vec![];
for (id, info) in known_hosts.list.iter() {
trace!("{}, {:?}", hex::encode(&id[..8]), info);
match info.state {
PeerConnState::Connected => {
let must_ping = match info.last_send_ping {
None => true,
Some(t) => Instant::now() - t > PING_INTERVAL,
};
if must_ping {
to_ping.push(*id);
}
}
PeerConnState::Waiting(_, t) => {
if Instant::now() >= t {
to_retry.push(*id);
}
}
_ => (),
}
}
(to_ping, to_retry)
};
// 2. Dispatch ping to hosts
trace!("to_ping: {} peers", to_ping.len());
if !to_ping.is_empty() {
let mut known_hosts = self.known_hosts.write().unwrap();
for id in to_ping.iter() {
known_hosts.list.get_mut(id).unwrap().last_send_ping = Some(Instant::now());
}
drop(known_hosts);
for id in to_ping {
tokio::spawn(self.clone().ping(id));
}
}
// 3. Try reconnects
trace!("to_retry: {} peers", to_retry.len());
if !to_retry.is_empty() {
let mut known_hosts = self.known_hosts.write().unwrap();
for id in to_retry {
if let Some(h) = known_hosts.list.get_mut(&id) {
if let PeerConnState::Waiting(i, _) = h.state {
info!(
"Retrying connection to {} at {} ({})",
hex::encode(&id[..8]),
h.all_addrs
.iter()
.map(|x| format!("{}", x))
.collect::<Vec<_>>()
.join(", "),
i + 1
);
h.state = PeerConnState::Trying(i);
let alternate_addrs = h
.all_addrs
.iter()
.filter(|x| **x != h.addr)
.cloned()
.collect::<Vec<_>>();
tokio::spawn(self.clone().try_connect(id, h.addr, alternate_addrs));
}
}
}
self.update_public_peer_list(&known_hosts);
}
// 4. Sleep before next loop iteration
tokio::time::sleep(LOOP_DELAY).await;
}
}
/// Returns a list of currently known peers in the network.
pub fn get_peer_list(&self) -> Arc<Vec<PeerInfo>> {
self.public_peer_list.load_full()
}
/// Set the timeout for ping messages, in milliseconds
pub fn set_ping_timeout_millis(&self, timeout: u64) {
self.ping_timeout_millis
.store(timeout, atomic::Ordering::Relaxed);
}
// -- internal stuff --
fn update_public_peer_list(&self, known_hosts: &KnownHosts) {
let mut pub_peer_list = Vec::with_capacity(known_hosts.list.len());
for (id, info) in known_hosts.list.iter() {
let mut pings = info.ping.iter().cloned().collect::<Vec<_>>();
pings.sort();
if !pings.is_empty() {
pub_peer_list.push(PeerInfo {
id: *id,
addr: info.addr,
state: info.state,
last_seen: info.last_seen,
avg_ping: Some(
pings
.iter()
.fold(Duration::from_secs(0), |x, y| x + *y)
.div_f64(pings.len() as f64),
),
max_ping: pings.last().cloned(),
med_ping: Some(pings[pings.len() / 2]),
});
} else {
pub_peer_list.push(PeerInfo {
id: *id,
addr: info.addr,
state: info.state,
last_seen: info.last_seen,
avg_ping: None,
max_ping: None,
med_ping: None,
});
}
}
self.public_peer_list.store(Arc::new(pub_peer_list));
}
async fn ping(self: Arc<Self>, id: NodeID) {
let peer_list_hash = self.known_hosts.read().unwrap().hash;
let ping_id = self.next_ping_id.fetch_add(1u64, atomic::Ordering::Relaxed);
let ping_time = Instant::now();
let ping_timeout =
Duration::from_millis(self.ping_timeout_millis.load(atomic::Ordering::Relaxed));
let ping_msg = PingMessage {
id: ping_id,
peer_list_hash,
};
debug!(
"Sending ping {} to {} at {:?}",
ping_id,
hex::encode(&id[..8]),
ping_time
);
let ping_response = select! {
r = self.ping_endpoint.call(&id, ping_msg, PRIO_HIGH) => r,
_ = tokio::time::sleep(ping_timeout) => Err(Error::Message("Ping timeout".into())),
};
match ping_response {
Err(e) => {
warn!("Error pinging {}: {}", hex::encode(&id[..8]), e);
let mut known_hosts = self.known_hosts.write().unwrap();
if let Some(host) = known_hosts.list.get_mut(&id) {
host.failed_pings += 1;
if host.failed_pings > FAILED_PING_THRESHOLD {
warn!(
"Too many failed pings from {}, closing connection.",
hex::encode(&id[..8])
);
// this will later update info in known_hosts
// through the disconnection handler
self.netapp.disconnect(&id);
}
}
}
Ok(ping_resp) => {
let resp_time = Instant::now();
debug!(
"Got ping response from {} at {:?}",
hex::encode(&id[..8]),
resp_time
);
{
let mut known_hosts = self.known_hosts.write().unwrap();
if let Some(host) = known_hosts.list.get_mut(&id) {
host.failed_pings = 0;
host.last_seen = Some(resp_time);
host.ping.push_back(resp_time - ping_time);
while host.ping.len() > 10 {
host.ping.pop_front();
}
self.update_public_peer_list(&known_hosts);
}
}
if ping_resp.peer_list_hash != peer_list_hash {
self.exchange_peers(&id).await;
}
}
}
}
async fn exchange_peers(self: Arc<Self>, id: &NodeID) {
let peer_list = KnownHosts::map_into_vec(&self.known_hosts.read().unwrap().list);
let pex_message = PeerListMessage { list: peer_list };
match self
.peer_list_endpoint
.call(id, pex_message, PRIO_BACKGROUND)
.await
{
Err(e) => warn!("Error doing peer exchange: {}", e),
Ok(resp) => {
self.handle_peer_list(&resp.list[..]);
}
}
}
fn handle_peer_list(&self, list: &[(NodeID, SocketAddr)]) {
let mut known_hosts = self.known_hosts.write().unwrap();
let mut changed = false;
for (id, addr) in list.iter() {
if let Some(kh) = known_hosts.list.get_mut(id) {
if !kh.all_addrs.contains(addr) {
kh.all_addrs.push(*addr);
changed = true;
}
} else {
known_hosts.list.insert(*id, self.new_peer(id, *addr));
changed = true;
}
}
if changed {
known_hosts.update_hash();
self.update_public_peer_list(&known_hosts);
}
}
async fn try_connect(
self: Arc<Self>,
id: NodeID,
default_addr: SocketAddr,
alternate_addrs: Vec<SocketAddr>,
) {
let conn_addr = {
let mut ret = None;
for addr in [default_addr].iter().chain(alternate_addrs.iter()) {
debug!("Trying address {} for peer {}", addr, hex::encode(&id[..8]));
match self.netapp.clone().try_connect(*addr, id).await {
Ok(()) => {
ret = Some(*addr);
break;
}
Err(e) => {
debug!(
"Error connecting to {} at {}: {}",
hex::encode(&id[..8]),
addr,
e
);
}
}
}
ret
};
if let Some(ok_addr) = conn_addr {
self.on_connected(id, ok_addr, false);
} else {
warn!(
"Could not connect to peer {} ({} addresses tried)",
hex::encode(&id[..8]),
1 + alternate_addrs.len()
);
let mut known_hosts = self.known_hosts.write().unwrap();
if let Some(host) = known_hosts.list.get_mut(&id) {
host.state = match host.state {
PeerConnState::Trying(i) => {
if i >= CONN_MAX_RETRIES {
PeerConnState::Abandonned
} else {
PeerConnState::Waiting(i + 1, Instant::now() + CONN_RETRY_INTERVAL)
}
}
_ => PeerConnState::Waiting(0, Instant::now() + CONN_RETRY_INTERVAL),
};
self.update_public_peer_list(&known_hosts);
}
}
}
fn on_connected(self: Arc<Self>, id: NodeID, addr: SocketAddr, is_incoming: bool) {
let mut known_hosts = self.known_hosts.write().unwrap();
if is_incoming {
if let Some(host) = known_hosts.list.get_mut(&id) {
if !host.all_addrs.contains(&addr) {
host.all_addrs.push(addr);
}
} else {
known_hosts.list.insert(id, self.new_peer(&id, addr));
}
} else {
info!(
"Successfully connected to {} at {}",
hex::encode(&id[..8]),
addr
);
if let Some(host) = known_hosts.list.get_mut(&id) {
host.state = PeerConnState::Connected;
host.addr = addr;
if !host.all_addrs.contains(&addr) {
host.all_addrs.push(addr);
}
} else {
known_hosts
.list
.insert(id, PeerInfoInternal::new(addr, PeerConnState::Connected));
}
}
known_hosts.update_hash();
self.update_public_peer_list(&known_hosts);
}
fn on_disconnected(self: Arc<Self>, id: NodeID, is_incoming: bool) {
if !is_incoming {
info!("Connection to {} was closed", hex::encode(&id[..8]));
let mut known_hosts = self.known_hosts.write().unwrap();
if let Some(host) = known_hosts.list.get_mut(&id) {
host.state = PeerConnState::Waiting(0, Instant::now());
known_hosts.update_hash();
self.update_public_peer_list(&known_hosts);
}
}
}
fn new_peer(&self, id: &NodeID, addr: SocketAddr) -> PeerInfoInternal {
let state = if *id == self.netapp.id {
PeerConnState::Ourself
} else {
PeerConnState::Waiting(0, Instant::now())
};
PeerInfoInternal::new(addr, state)
}
}
#[async_trait]
impl EndpointHandler<PingMessage> for PeeringManager {
async fn handle(self: &Arc<Self>, ping: &PingMessage, from: NodeID) -> PingMessage {
let ping_resp = PingMessage {
id: ping.id,
peer_list_hash: self.known_hosts.read().unwrap().hash,
};
debug!("Ping from {}", hex::encode(&from[..8]));
ping_resp
}
}
#[async_trait]
impl EndpointHandler<PeerListMessage> for PeeringManager {
async fn handle(
self: &Arc<Self>,
peer_list: &PeerListMessage,
_from: NodeID,
) -> PeerListMessage {
self.handle_peer_list(&peer_list.list[..]);
let peer_list = KnownHosts::map_into_vec(&self.known_hosts.read().unwrap().list);
PeerListMessage { list: peer_list }
}
}

153
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use std::collections::HashMap;
use std::sync::Arc;
use async_trait::async_trait;
use bytes::Bytes;
use log::*;
use futures::AsyncReadExt;
use tokio::sync::mpsc;
use crate::error::*;
use crate::send::*;
use crate::stream::*;
/// Structure to warn when the sender is dropped before end of stream was reached, like when
/// connection to some remote drops while transmitting data
struct Sender {
inner: Option<mpsc::UnboundedSender<Packet>>,
}
impl Sender {
fn new(inner: mpsc::UnboundedSender<Packet>) -> Self {
Sender { inner: Some(inner) }
}
fn send(&self, packet: Packet) {
let _ = self.inner.as_ref().unwrap().send(packet);
}
fn end(&mut self) {
self.inner = None;
}
}
impl Drop for Sender {
fn drop(&mut self) {
if let Some(inner) = self.inner.take() {
let _ = inner.send(Err(std::io::Error::new(
std::io::ErrorKind::BrokenPipe,
"Netapp connection dropped before end of stream",
)));
}
}
}
/// The RecvLoop trait, which is implemented both by the client and the server
/// connection objects (ServerConn and ClientConn) adds a method `.recv_loop()`
/// and a prototype of a handler for received messages `.recv_handler()` that
/// must be filled by implementors. `.recv_loop()` receives messages in a loop
/// according to the protocol defined above: chunks of message in progress of being
/// received are stored in a buffer, and when the last chunk of a message is received,
/// the full message is passed to the receive handler.
#[async_trait]
pub(crate) trait RecvLoop: Sync + 'static {
fn recv_handler(self: &Arc<Self>, id: RequestID, stream: ByteStream);
fn cancel_handler(self: &Arc<Self>, _id: RequestID) {}
async fn recv_loop<R>(self: Arc<Self>, mut read: R, debug_name: String) -> Result<(), Error>
where
R: AsyncReadExt + Unpin + Send + Sync,
{
let mut streams: HashMap<RequestID, Sender> = HashMap::new();
loop {
trace!(
"recv_loop({}): in_progress = {:?}",
debug_name,
streams.iter().map(|(id, _)| id).collect::<Vec<_>>()
);
let mut header_id = [0u8; RequestID::BITS as usize / 8];
match read.read_exact(&mut header_id[..]).await {
Ok(_) => (),
Err(e) if e.kind() == std::io::ErrorKind::UnexpectedEof => break,
Err(e) => return Err(e.into()),
};
let id = RequestID::from_be_bytes(header_id);
let mut header_size = [0u8; ChunkLength::BITS as usize / 8];
read.read_exact(&mut header_size[..]).await?;
let size = ChunkLength::from_be_bytes(header_size);
if size == CANCEL_REQUEST {
if let Some(mut stream) = streams.remove(&id) {
let _ = stream.send(Err(std::io::Error::new(
std::io::ErrorKind::Other,
"netapp: cancel requested",
)));
stream.end();
}
self.cancel_handler(id);
continue;
}
let has_cont = (size & CHUNK_FLAG_HAS_CONTINUATION) != 0;
let is_error = (size & CHUNK_FLAG_ERROR) != 0;
let size = (size & CHUNK_LENGTH_MASK) as usize;
let mut next_slice = vec![0; size as usize];
read.read_exact(&mut next_slice[..]).await?;
let packet = if is_error {
let kind = u8_to_io_errorkind(next_slice[0]);
let msg =
std::str::from_utf8(&next_slice[1..]).unwrap_or("<invalid utf8 error message>");
debug!(
"recv_loop({}): got id {}, error {:?}: {}",
debug_name, id, kind, msg
);
Some(Err(std::io::Error::new(kind, msg.to_string())))
} else {
trace!(
"recv_loop({}): got id {}, size {}, has_cont {}",
debug_name,
id,
size,
has_cont
);
if !next_slice.is_empty() {
Some(Ok(Bytes::from(next_slice)))
} else {
None
}
};
let mut sender = if let Some(send) = streams.remove(&(id)) {
send
} else {
let (send, recv) = mpsc::unbounded_channel();
trace!("recv_loop({}): id {} is new channel", debug_name, id);
self.recv_handler(
id,
Box::pin(tokio_stream::wrappers::UnboundedReceiverStream::new(recv)),
);
Sender::new(send)
};
if let Some(packet) = packet {
// If we cannot put packet in channel, it means that the
// receiving end of the channel is disconnected.
// We still need to reach eos before dropping this sender
let _ = sender.send(packet);
}
if has_cont {
assert!(!is_error);
streams.insert(id, sender);
} else {
trace!("recv_loop({}): close channel id {}", debug_name, id);
sender.end();
}
}
Ok(())
}
}

356
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use std::collections::{HashMap, VecDeque};
use std::pin::Pin;
use std::sync::Arc;
use std::task::{Context, Poll};
use async_trait::async_trait;
use bytes::{BufMut, Bytes, BytesMut};
use log::*;
use futures::{AsyncWriteExt, Future};
use kuska_handshake::async_std::BoxStreamWrite;
use tokio::sync::mpsc;
use crate::error::*;
use crate::message::*;
use crate::stream::*;
// Messages are sent by chunks
// Chunk format:
// - u32 BE: request id (same for request and response)
// - u16 BE: chunk length + flags:
// CHUNK_FLAG_HAS_CONTINUATION when this is not the last chunk of the stream
// CHUNK_FLAG_ERROR if this chunk denotes an error
// (these two flags are exclusive, an error denotes the end of the stream)
// **special value** 0xFFFF indicates a CANCEL message
// - [u8; chunk_length], either
// - if not error: chunk data
// - if error:
// - u8: error kind, encoded using error::io_errorkind_to_u8
// - rest: error message
// - absent for cancel messag
pub(crate) type RequestID = u32;
pub(crate) type ChunkLength = u16;
pub(crate) const MAX_CHUNK_LENGTH: ChunkLength = 0x3FF0;
pub(crate) const CHUNK_FLAG_ERROR: ChunkLength = 0x4000;
pub(crate) const CHUNK_FLAG_HAS_CONTINUATION: ChunkLength = 0x8000;
pub(crate) const CHUNK_LENGTH_MASK: ChunkLength = 0x3FFF;
pub(crate) const CANCEL_REQUEST: ChunkLength = 0xFFFF;
pub(crate) enum SendItem {
Stream(RequestID, RequestPriority, Option<OrderTag>, ByteStream),
Cancel(RequestID),
}
// ----
struct SendQueue {
items: Vec<(u8, SendQueuePriority)>,
}
struct SendQueuePriority {
items: VecDeque<SendQueueItem>,
order: HashMap<u64, VecDeque<u64>>,
}
struct SendQueueItem {
id: RequestID,
prio: RequestPriority,
order_tag: Option<OrderTag>,
data: ByteStreamReader,
sent: usize,
}
impl SendQueue {
fn new() -> Self {
Self {
items: Vec::with_capacity(64),
}
}
fn push(&mut self, item: SendQueueItem) {
let prio = item.prio;
let pos_prio = match self.items.binary_search_by(|(p, _)| p.cmp(&prio)) {
Ok(i) => i,
Err(i) => {
self.items.insert(i, (prio, SendQueuePriority::new()));
i
}
};
self.items[pos_prio].1.push(item);
}
fn remove(&mut self, id: RequestID) {
for (_, prioq) in self.items.iter_mut() {
prioq.remove(id);
}
self.items.retain(|(_prio, q)| !q.is_empty());
}
fn is_empty(&self) -> bool {
self.items.iter().all(|(_k, v)| v.is_empty())
}
// this is like an async fn, but hand implemented
fn next_ready(&mut self) -> SendQueuePollNextReady<'_> {
SendQueuePollNextReady { queue: self }
}
}
impl SendQueuePriority {
fn new() -> Self {
Self {
items: VecDeque::new(),
order: HashMap::new(),
}
}
fn push(&mut self, item: SendQueueItem) {
if let Some(OrderTag(stream, order)) = item.order_tag {
let order_vec = self.order.entry(stream).or_default();
let i = order_vec.iter().take_while(|o2| **o2 < order).count();
order_vec.insert(i, order);
}
self.items.push_front(item);
}
fn remove(&mut self, id: RequestID) {
if let Some(i) = self.items.iter().position(|x| x.id == id) {
let item = self.items.remove(i).unwrap();
if let Some(OrderTag(stream, order)) = item.order_tag {
let order_vec = self.order.get_mut(&stream).unwrap();
let j = order_vec.iter().position(|x| *x == order).unwrap();
order_vec.remove(j).unwrap();
if order_vec.is_empty() {
self.order.remove(&stream);
}
}
}
}
fn is_empty(&self) -> bool {
self.items.is_empty()
}
fn poll_next_ready(&mut self, ctx: &mut Context<'_>) -> Poll<(RequestID, DataFrame)> {
for (j, item) in self.items.iter_mut().enumerate() {
if let Some(OrderTag(stream, order)) = item.order_tag {
if order > *self.order.get(&stream).unwrap().front().unwrap() {
continue;
}
}
let mut item_reader = item.data.read_exact_or_eos(MAX_CHUNK_LENGTH as usize);
if let Poll::Ready(bytes_or_err) = Pin::new(&mut item_reader).poll(ctx) {
let id = item.id;
let eos = item.data.eos();
let packet = bytes_or_err.map_err(|e| match e {
ReadExactError::Stream(err) => err,
_ => unreachable!(),
});
let is_err = packet.is_err();
let data_frame = DataFrame::from_packet(packet, !eos);
item.sent += data_frame.data().len();
if eos || is_err {
// If item had an order tag, remove it from the corresponding ordering list
if let Some(OrderTag(stream, order)) = item.order_tag {
let order_stream = self.order.get_mut(&stream).unwrap();
assert_eq!(order_stream.pop_front(), Some(order));
if order_stream.is_empty() {
self.order.remove(&stream);
}
}
// Remove item from sending queue
self.items.remove(j);
} else {
// Move item later in send queue to implement LAS scheduling
// (LAS = Least Attained Service)
for k in j..self.items.len() - 1 {
if self.items[k].sent >= self.items[k + 1].sent {
self.items.swap(k, k + 1);
} else {
break;
}
}
}
return Poll::Ready((id, data_frame));
}
}
Poll::Pending
}
fn dump(&self, prio: u8) -> String {
self.items
.iter()
.map(|i| format!("[{} {} {:?} @{}]", prio, i.id, i.order_tag, i.sent))
.collect::<Vec<_>>()
.join(" ")
}
}
struct SendQueuePollNextReady<'a> {
queue: &'a mut SendQueue,
}
impl<'a> futures::Future for SendQueuePollNextReady<'a> {
type Output = (RequestID, DataFrame);
fn poll(mut self: Pin<&mut Self>, ctx: &mut Context<'_>) -> Poll<Self::Output> {
for (i, (_prio, items_at_prio)) in self.queue.items.iter_mut().enumerate() {
if let Poll::Ready(res) = items_at_prio.poll_next_ready(ctx) {
if items_at_prio.is_empty() {
self.queue.items.remove(i);
}
return Poll::Ready(res);
}
}
// If the queue is empty, this futures is eternally pending.
// This is ok because we use it in a select with another future
// that can interrupt it.
Poll::Pending
}
}
enum DataFrame {
/// a fixed size buffer containing some data + a boolean indicating whether
/// there may be more data comming from this stream. Can be used for some
/// optimization. It's an error to set it to false if there is more data, but it is correct
/// (albeit sub-optimal) to set it to true if there is nothing coming after
Data(Bytes, bool),
/// An error code automatically signals the end of the stream
Error(Bytes),
}
impl DataFrame {
fn from_packet(p: Packet, has_cont: bool) -> Self {
match p {
Ok(bytes) => {
assert!(bytes.len() <= MAX_CHUNK_LENGTH as usize);
Self::Data(bytes, has_cont)
}
Err(e) => {
let mut buf = BytesMut::new();
buf.put_u8(io_errorkind_to_u8(e.kind()));
let msg = format!("{}", e).into_bytes();
if msg.len() > (MAX_CHUNK_LENGTH - 1) as usize {
buf.put(&msg[..(MAX_CHUNK_LENGTH - 1) as usize]);
} else {
buf.put(&msg[..]);
}
Self::Error(buf.freeze())
}
}
}
fn header(&self) -> [u8; 2] {
let header_u16 = match self {
DataFrame::Data(data, false) => data.len() as u16,
DataFrame::Data(data, true) => data.len() as u16 | CHUNK_FLAG_HAS_CONTINUATION,
DataFrame::Error(msg) => msg.len() as u16 | CHUNK_FLAG_ERROR,
};
ChunkLength::to_be_bytes(header_u16)
}
fn data(&self) -> &[u8] {
match self {
DataFrame::Data(ref data, _) => &data[..],
DataFrame::Error(ref msg) => &msg[..],
}
}
}
/// The SendLoop trait, which is implemented both by the client and the server
/// connection objects (ServerConna and ClientConn) adds a method `.send_loop()`
/// that takes a channel of messages to send and an asynchronous writer,
/// and sends messages from the channel to the async writer, putting them in a queue
/// before being sent and doing the round-robin sending strategy.
///
/// The `.send_loop()` exits when the sending end of the channel is closed,
/// or if there is an error at any time writing to the async writer.
#[async_trait]
pub(crate) trait SendLoop: Sync {
async fn send_loop<W>(
self: Arc<Self>,
msg_recv: mpsc::UnboundedReceiver<SendItem>,
mut write: BoxStreamWrite<W>,
debug_name: String,
) -> Result<(), Error>
where
W: AsyncWriteExt + Unpin + Send + Sync,
{
let mut sending = SendQueue::new();
let mut msg_recv = Some(msg_recv);
while msg_recv.is_some() || !sending.is_empty() {
trace!(
"send_loop({}): queue = {:?}",
debug_name,
sending
.items
.iter()
.map(|(prio, i)| i.dump(*prio))
.collect::<Vec<_>>()
.join(" ; ")
);
let recv_fut = async {
if let Some(chan) = &mut msg_recv {
chan.recv().await
} else {
futures::future::pending().await
}
};
let send_fut = sending.next_ready();
// recv_fut is cancellation-safe according to tokio doc,
// send_fut is cancellation-safe as implemented above?
tokio::select! {
biased; // always read incomming channel first if it has data
sth = recv_fut => {
match sth {
Some(SendItem::Stream(id, prio, order_tag, data)) => {
trace!("send_loop({}): add stream {} to send", debug_name, id);
sending.push(SendQueueItem {
id,
prio,
order_tag,
data: ByteStreamReader::new(data),
sent: 0,
})
}
Some(SendItem::Cancel(id)) => {
trace!("send_loop({}): cancelling {}", debug_name, id);
sending.remove(id);
let header_id = RequestID::to_be_bytes(id);
write.write_all(&header_id[..]).await?;
write.write_all(&ChunkLength::to_be_bytes(CANCEL_REQUEST)).await?;
write.flush().await?;
}
None => {
msg_recv = None;
}
};
}
(id, data) = send_fut => {
trace!(
"send_loop({}): id {}, send {} bytes, header_size {}",
debug_name,
id,
data.data().len(),
hex::encode(data.header())
);
let header_id = RequestID::to_be_bytes(id);
write.write_all(&header_id[..]).await?;
write.write_all(&data.header()).await?;
write.write_all(data.data()).await?;
write.flush().await?;
}
}
}
let _ = write.goodbye().await;
Ok(())
}
}

222
src/net/server.rs Normal file
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@ -0,0 +1,222 @@
use std::collections::HashMap;
use std::net::SocketAddr;
use std::sync::{Arc, Mutex};
use arc_swap::ArcSwapOption;
use async_trait::async_trait;
use log::*;
use futures::io::{AsyncReadExt, AsyncWriteExt};
use kuska_handshake::async_std::{handshake_server, BoxStream};
use tokio::net::TcpStream;
use tokio::select;
use tokio::sync::{mpsc, watch};
use tokio_util::compat::*;
#[cfg(feature = "telemetry")]
use opentelemetry::{
trace::{FutureExt, Span, SpanKind, TraceContextExt, TraceId, Tracer},
Context, KeyValue,
};
#[cfg(feature = "telemetry")]
use opentelemetry_contrib::trace::propagator::binary::*;
#[cfg(feature = "telemetry")]
use rand::{thread_rng, Rng};
use crate::error::*;
use crate::message::*;
use crate::netapp::*;
use crate::recv::*;
use crate::send::*;
use crate::stream::*;
use crate::util::*;
// The client and server connection structs (client.rs and server.rs)
// build upon the chunking mechanism which is exclusively contained
// in proto.rs.
// Here, we just care about sending big messages without size limit.
// The format of these messages is described below.
// Chunking happens independently.
// Request message format (client -> server):
// - u8 priority
// - u8 path length
// - [u8; path length] path
// - [u8; *] data
// Response message format (server -> client):
// - u8 response code
// - [u8; *] response
pub(crate) struct ServerConn {
pub(crate) remote_addr: SocketAddr,
pub(crate) peer_id: NodeID,
netapp: Arc<NetApp>,
resp_send: ArcSwapOption<mpsc::UnboundedSender<SendItem>>,
running_handlers: Mutex<HashMap<RequestID, tokio::task::JoinHandle<()>>>,
}
impl ServerConn {
pub(crate) async fn run(
netapp: Arc<NetApp>,
socket: TcpStream,
must_exit: watch::Receiver<bool>,
) -> Result<(), Error> {
let remote_addr = socket.peer_addr()?;
let mut socket = socket.compat();
// Do handshake to authenticate client
let handshake = handshake_server(
&mut socket,
netapp.netid.clone(),
netapp.id,
netapp.privkey.clone(),
)
.await?;
let peer_id = handshake.peer_pk;
debug!(
"Handshake complete (server) with {}@{}",
hex::encode(peer_id),
remote_addr
);
// Create BoxStream layer that encodes content
let (read, write) = socket.split();
let (read, mut write) =
BoxStream::from_handshake(read, write, handshake, 0x8000).split_read_write();
// Before doing anything, send version tag, so that client
// can check and disconnect if version is wrong
write.write_all(&netapp.version_tag[..]).await?;
write.flush().await?;
// Build and launch stuff that handles requests server-side
let (resp_send, resp_recv) = mpsc::unbounded_channel();
let conn = Arc::new(ServerConn {
netapp: netapp.clone(),
remote_addr,
peer_id,
resp_send: ArcSwapOption::new(Some(Arc::new(resp_send))),
running_handlers: Mutex::new(HashMap::new()),
});
netapp.connected_as_server(peer_id, conn.clone());
let debug_name = format!("SRV {}", hex::encode(&peer_id[..8]));
let debug_name_2 = debug_name.clone();
let conn2 = conn.clone();
let recv_future = tokio::spawn(async move {
select! {
r = conn2.recv_loop(read, debug_name_2) => r,
_ = await_exit(must_exit) => Ok(())
}
});
let send_future = tokio::spawn(conn.clone().send_loop(resp_recv, write, debug_name));
recv_future.await.log_err("ServerConn recv_loop");
conn.resp_send.store(None);
send_future.await.log_err("ServerConn send_loop");
netapp.disconnected_as_server(&peer_id, conn);
Ok(())
}
async fn recv_handler_aux(self: &Arc<Self>, req_enc: ReqEnc) -> Result<RespEnc, Error> {
let path = String::from_utf8(req_enc.path.to_vec())?;
let handler_opt = {
let endpoints = self.netapp.endpoints.read().unwrap();
endpoints.get(&path).map(|e| e.clone_endpoint())
};
if let Some(handler) = handler_opt {
cfg_if::cfg_if! {
if #[cfg(feature = "telemetry")] {
let tracer = opentelemetry::global::tracer("netapp");
let mut span = if !req_enc.telemetry_id.is_empty() {
let propagator = BinaryPropagator::new();
let context = propagator.from_bytes(req_enc.telemetry_id.to_vec());
let context = Context::new().with_remote_span_context(context);
tracer.span_builder(format!(">> RPC {}", path))
.with_kind(SpanKind::Server)
.start_with_context(&tracer, &context)
} else {
let mut rng = thread_rng();
let trace_id = TraceId::from_bytes(rng.gen());
tracer
.span_builder(format!(">> RPC {}", path))
.with_kind(SpanKind::Server)
.with_trace_id(trace_id)
.start(&tracer)
};
span.set_attribute(KeyValue::new("path", path.to_string()));
span.set_attribute(KeyValue::new("len_query_msg", req_enc.msg.len() as i64));
handler.handle(req_enc, self.peer_id)
.with_context(Context::current_with_span(span))
.await
} else {
handler.handle(req_enc, self.peer_id).await
}
}
} else {
Err(Error::NoHandler)
}
}
}
impl SendLoop for ServerConn {}
#[async_trait]
impl RecvLoop for ServerConn {
fn recv_handler(self: &Arc<Self>, id: RequestID, stream: ByteStream) {
let resp_send = match self.resp_send.load_full() {
Some(c) => c,
None => return,
};
let mut rh = self.running_handlers.lock().unwrap();
let self2 = self.clone();
let jh = tokio::spawn(async move {
debug!("server: recv_handler got {}", id);
let (prio, resp_enc_result) = match ReqEnc::decode(stream).await {
Ok(req_enc) => (req_enc.prio, self2.recv_handler_aux(req_enc).await),
Err(e) => (PRIO_HIGH, Err(e)),
};
debug!("server: sending response to {}", id);
let (resp_stream, resp_order) = RespEnc::encode(resp_enc_result);
resp_send
.send(SendItem::Stream(id, prio, resp_order, resp_stream))
.log_err("ServerConn recv_handler send resp bytes");
self2.running_handlers.lock().unwrap().remove(&id);
});
rh.insert(id, jh);
}
fn cancel_handler(self: &Arc<Self>, id: RequestID) {
trace!("received cancel for request {}", id);
// If the handler is still running, abort it now
if let Some(jh) = self.running_handlers.lock().unwrap().remove(&id) {
jh.abort();
}
// Inform the response sender that we don't need to send the response
if let Some(resp_send) = self.resp_send.load_full() {
let _ = resp_send.send(SendItem::Cancel(id));
}
}
}

202
src/net/stream.rs Normal file
View file

@ -0,0 +1,202 @@
use std::pin::Pin;
use std::task::{Context, Poll};
use bytes::Bytes;
use futures::Future;
use futures::{Stream, StreamExt};
use tokio::io::AsyncRead;
use crate::bytes_buf::BytesBuf;
/// A stream of bytes (click to read more).
///
/// When sent through Netapp, the Vec may be split in smaller chunk in such a way
/// consecutive Vec may get merged, but Vec and error code may not be reordered
///
/// Items sent in the ByteStream may be errors of type `std::io::Error`.
/// An error indicates the end of the ByteStream: a reader should no longer read
/// after recieving an error, and a writer should stop writing after sending an error.
pub type ByteStream = Pin<Box<dyn Stream<Item = Packet> + Send + Sync>>;
/// A packet sent in a ByteStream, which may contain either
/// a Bytes object or an error
pub type Packet = Result<Bytes, std::io::Error>;
// ----
/// A helper struct to read defined lengths of data from a BytesStream
pub struct ByteStreamReader {
stream: ByteStream,
buf: BytesBuf,
eos: bool,
err: Option<std::io::Error>,
}
impl ByteStreamReader {
/// Creates a new `ByteStreamReader` from a `ByteStream`
pub fn new(stream: ByteStream) -> Self {
ByteStreamReader {
stream,
buf: BytesBuf::new(),
eos: false,
err: None,
}
}
/// Read exactly `read_len` bytes from the underlying stream
/// (returns a future)
pub fn read_exact(&mut self, read_len: usize) -> ByteStreamReadExact<'_> {
ByteStreamReadExact {
reader: self,
read_len,
fail_on_eos: true,
}
}
/// Read at most `read_len` bytes from the underlying stream, or less
/// if the end of the stream is reached (returns a future)
pub fn read_exact_or_eos(&mut self, read_len: usize) -> ByteStreamReadExact<'_> {
ByteStreamReadExact {
reader: self,
read_len,
fail_on_eos: false,
}
}
/// Read exactly one byte from the underlying stream and returns it
/// as an u8
pub async fn read_u8(&mut self) -> Result<u8, ReadExactError> {
Ok(self.read_exact(1).await?[0])
}
/// Read exactly two bytes from the underlying stream and returns them as an u16 (using
/// big-endian decoding)
pub async fn read_u16(&mut self) -> Result<u16, ReadExactError> {
let bytes = self.read_exact(2).await?;
let mut b = [0u8; 2];
b.copy_from_slice(&bytes[..]);
Ok(u16::from_be_bytes(b))
}
/// Read exactly four bytes from the underlying stream and returns them as an u32 (using
/// big-endian decoding)
pub async fn read_u32(&mut self) -> Result<u32, ReadExactError> {
let bytes = self.read_exact(4).await?;
let mut b = [0u8; 4];
b.copy_from_slice(&bytes[..]);
Ok(u32::from_be_bytes(b))
}
/// Transforms the stream reader back into the underlying stream (starting
/// after everything that the reader has read)
pub fn into_stream(self) -> ByteStream {
let buf_stream = futures::stream::iter(self.buf.into_slices().into_iter().map(Ok));
if let Some(err) = self.err {
Box::pin(buf_stream.chain(futures::stream::once(async move { Err(err) })))
} else if self.eos {
Box::pin(buf_stream)
} else {
Box::pin(buf_stream.chain(self.stream))
}
}
/// Tries to fill the internal read buffer from the underlying stream if it is empty.
/// Calling this might be necessary to ensure that `.eos()` returns a correct
/// result, otherwise the reader might not be aware that the underlying
/// stream has nothing left to return.
pub async fn fill_buffer(&mut self) {
if self.buf.is_empty() {
let packet = self.stream.next().await;
self.add_stream_next(packet);
}
}
/// Clears the internal read buffer and returns its content
pub fn take_buffer(&mut self) -> Bytes {
self.buf.take_all()
}
/// Returns true if the end of the underlying stream has been reached
pub fn eos(&self) -> bool {
self.buf.is_empty() && self.eos
}
fn try_get(&mut self, read_len: usize) -> Option<Bytes> {
self.buf.take_exact(read_len)
}
fn add_stream_next(&mut self, packet: Option<Packet>) {
match packet {
Some(Ok(slice)) => {
self.buf.extend(slice);
}
Some(Err(e)) => {
self.err = Some(e);
self.eos = true;
}
None => {
self.eos = true;
}
}
}
}
/// The error kind that can be returned by `ByteStreamReader::read_exact` and
/// `ByteStreamReader::read_exact_or_eos`
pub enum ReadExactError {
/// The end of the stream was reached before the requested number of bytes could be read
UnexpectedEos,
/// The underlying data stream returned an IO error when trying to read
Stream(std::io::Error),
}
/// The future returned by `ByteStreamReader::read_exact` and
/// `ByteStreamReader::read_exact_or_eos`
#[pin_project::pin_project]
pub struct ByteStreamReadExact<'a> {
#[pin]
reader: &'a mut ByteStreamReader,
read_len: usize,
fail_on_eos: bool,
}
impl<'a> Future for ByteStreamReadExact<'a> {
type Output = Result<Bytes, ReadExactError>;
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<Bytes, ReadExactError>> {
let mut this = self.project();
loop {
if let Some(bytes) = this.reader.try_get(*this.read_len) {
return Poll::Ready(Ok(bytes));
}
if let Some(err) = &this.reader.err {
let err = std::io::Error::new(err.kind(), format!("{}", err));
return Poll::Ready(Err(ReadExactError::Stream(err)));
}
if this.reader.eos {
if *this.fail_on_eos {
return Poll::Ready(Err(ReadExactError::UnexpectedEos));
} else {
return Poll::Ready(Ok(this.reader.take_buffer()));
}
}
let next_packet = futures::ready!(this.reader.stream.as_mut().poll_next(cx));
this.reader.add_stream_next(next_packet);
}
}
}
// ----
/// Turns a `tokio::io::AsyncRead` asynchronous reader into a `ByteStream`
pub fn asyncread_stream<R: AsyncRead + Send + Sync + 'static>(reader: R) -> ByteStream {
Box::pin(tokio_util::io::ReaderStream::new(reader))
}
/// Turns a `ByteStream` into a `tokio::io::AsyncRead` asynchronous reader
pub fn stream_asyncread(stream: ByteStream) -> impl AsyncRead + Send + Sync + 'static {
tokio_util::io::StreamReader::new(stream)
}

118
src/net/test.rs Normal file
View file

@ -0,0 +1,118 @@
use std::net::SocketAddr;
use std::sync::Arc;
use std::time::Duration;
use tokio::select;
use tokio::sync::watch;
use sodiumoxide::crypto::auth;
use sodiumoxide::crypto::sign::ed25519;
use crate::netapp::*;
use crate::peering::*;
use crate::NodeID;
#[tokio::test(flavor = "current_thread")]
async fn test_with_basic_scheduler() {
pretty_env_logger::init();
run_test(19980).await
}
#[tokio::test(flavor = "multi_thread", worker_threads = 4)]
async fn test_with_threaded_scheduler() {
run_test(19990).await
}
async fn run_test(port_base: u16) {
select! {
_ = run_test_inner(port_base) => (),
_ = tokio::time::sleep(Duration::from_secs(20)) => panic!("timeout"),
}
}
async fn run_test_inner(port_base: u16) {
let netid = auth::gen_key();
let (pk1, sk1) = ed25519::gen_keypair();
let (pk2, sk2) = ed25519::gen_keypair();
let (pk3, sk3) = ed25519::gen_keypair();
let addr1: SocketAddr = SocketAddr::new("127.0.0.1".parse().unwrap(), port_base);
let addr2: SocketAddr = SocketAddr::new("127.0.0.1".parse().unwrap(), port_base + 1);
let addr3: SocketAddr = SocketAddr::new("127.0.0.1".parse().unwrap(), port_base + 2);
let (stop_tx, stop_rx) = watch::channel(false);
let (thread1, _netapp1, peering1) =
run_netapp(netid.clone(), pk1, sk1, addr1, vec![], stop_rx.clone());
tokio::time::sleep(Duration::from_secs(2)).await;
// Connect second node and check it peers with everyone
let (thread2, _netapp2, peering2) = run_netapp(
netid.clone(),
pk2,
sk2,
addr2,
vec![(pk1, addr1)],
stop_rx.clone(),
);
tokio::time::sleep(Duration::from_secs(3)).await;
let pl1 = peering1.get_peer_list();
println!("A pl1: {:?}", pl1);
assert_eq!(pl1.len(), 2);
let pl2 = peering2.get_peer_list();
println!("A pl2: {:?}", pl2);
assert_eq!(pl2.len(), 2);
// Connect third ndoe and check it peers with everyone
let (thread3, _netapp3, peering3) =
run_netapp(netid, pk3, sk3, addr3, vec![(pk2, addr2)], stop_rx.clone());
tokio::time::sleep(Duration::from_secs(3)).await;
let pl1 = peering1.get_peer_list();
println!("B pl1: {:?}", pl1);
assert_eq!(pl1.len(), 3);
let pl2 = peering2.get_peer_list();
println!("B pl2: {:?}", pl2);
assert_eq!(pl2.len(), 3);
let pl3 = peering3.get_peer_list();
println!("B pl3: {:?}", pl3);
assert_eq!(pl3.len(), 3);
// Send stop signal and wait for everyone to finish
stop_tx.send(true).unwrap();
thread1.await.unwrap();
thread2.await.unwrap();
thread3.await.unwrap();
}
fn run_netapp(
netid: auth::Key,
_pk: NodeID,
sk: ed25519::SecretKey,
listen_addr: SocketAddr,
bootstrap_peers: Vec<(NodeID, SocketAddr)>,
must_exit: watch::Receiver<bool>,
) -> (
tokio::task::JoinHandle<()>,
Arc<NetApp>,
Arc<PeeringManager>,
) {
let netapp = NetApp::new(0u64, netid, sk);
let peering = PeeringManager::new(netapp.clone(), bootstrap_peers, None);
let peering2 = peering.clone();
let netapp2 = netapp.clone();
let fut = tokio::spawn(async move {
tokio::join!(
netapp2.listen(listen_addr, None, must_exit.clone()),
peering2.run(must_exit.clone()),
);
});
(fut, netapp, peering)
}

96
src/net/util.rs Normal file
View file

@ -0,0 +1,96 @@
use std::net::SocketAddr;
use log::info;
use serde::Serialize;
use tokio::sync::watch;
use crate::netapp::*;
/// Utility function: encodes any serializable value in MessagePack binary format
/// using the RMP library.
///
/// Field names and variant names are included in the serialization.
/// This is used internally by the netapp communication protocol.
pub fn rmp_to_vec_all_named<T>(val: &T) -> Result<Vec<u8>, rmp_serde::encode::Error>
where
T: Serialize + ?Sized,
{
let mut wr = Vec::with_capacity(128);
let mut se = rmp_serde::Serializer::new(&mut wr).with_struct_map();
val.serialize(&mut se)?;
Ok(wr)
}
/// This async function returns only when a true signal was received
/// from a watcher that tells us when to exit.
///
/// Usefull in a select statement to interrupt another
/// future:
/// ```ignore
/// select!(
/// _ = a_long_task() => Success,
/// _ = await_exit(must_exit) => Interrupted,
/// )
/// ```
pub async fn await_exit(mut must_exit: watch::Receiver<bool>) {
while !*must_exit.borrow_and_update() {
if must_exit.changed().await.is_err() {
break;
}
}
}
/// Creates a watch that contains `false`, and that changes
/// to `true` when a Ctrl+C signal is received.
pub fn watch_ctrl_c() -> watch::Receiver<bool> {
let (send_cancel, watch_cancel) = watch::channel(false);
tokio::spawn(async move {
tokio::signal::ctrl_c()
.await
.expect("failed to install CTRL+C signal handler");
info!("Received CTRL+C, shutting down.");
send_cancel.send(true).unwrap();
});
watch_cancel
}
/// Parse a peer's address including public key, written in the format:
/// `<public key hex>@<ip>:<port>`
pub fn parse_peer_addr(peer: &str) -> Option<(NodeID, SocketAddr)> {
let delim = peer.find('@')?;
let (key, ip) = peer.split_at(delim);
let pubkey = NodeID::from_slice(&hex::decode(key).ok()?)?;
let ip = ip[1..].parse::<SocketAddr>().ok()?;
Some((pubkey, ip))
}
/// Parse and resolve a peer's address including public key, written in the format:
/// `<public key hex>@<ip or hostname>:<port>`
pub fn parse_and_resolve_peer_addr(peer: &str) -> Option<(NodeID, Vec<SocketAddr>)> {
use std::net::ToSocketAddrs;
let delim = peer.find('@')?;
let (key, host) = peer.split_at(delim);
let pubkey = NodeID::from_slice(&hex::decode(key).ok()?)?;
let hosts = host[1..].to_socket_addrs().ok()?.collect::<Vec<_>>();
if hosts.is_empty() {
return None;
}
Some((pubkey, hosts))
}
/// async version of parse_and_resolve_peer_addr
pub async fn parse_and_resolve_peer_addr_async(peer: &str) -> Option<(NodeID, Vec<SocketAddr>)> {
let delim = peer.find('@')?;
let (key, host) = peer.split_at(delim);
let pubkey = NodeID::from_slice(&hex::decode(key).ok()?)?;
let hosts = tokio::net::lookup_host(&host[1..])
.await
.ok()?
.collect::<Vec<_>>();
if hosts.is_empty() {
return None;
}
Some((pubkey, hosts))
}

3
src/rpc/Cargo.toml
View file

@ -17,6 +17,7 @@ path = "lib.rs"
format_table.workspace = true
garage_db.workspace = true
garage_util.workspace = true
garage_net.workspace = true
arc-swap.workspace = true
bytes.workspace = true
@ -49,8 +50,6 @@ tokio.workspace = true
tokio-stream.workspace = true
opentelemetry.workspace = true
netapp.workspace = true
[features]
kubernetes-discovery = [ "kube", "k8s-openapi", "schemars" ]
consul-discovery = [ "reqwest", "err-derive" ]

2
src/rpc/consul.rs
View file

@ -6,7 +6,7 @@ use std::net::{IpAddr, SocketAddr};
use err_derive::Error;
use serde::{Deserialize, Serialize};
use netapp::NodeID;
use garage_net::NodeID;
use garage_util::config::ConsulDiscoveryAPI;
use garage_util::config::ConsulDiscoveryConfig;

2
src/rpc/kubernetes.rs
View file

@ -10,7 +10,7 @@ use k8s_openapi::apiextensions_apiserver::pkg::apis::apiextensions::v1::CustomRe
use schemars::JsonSchema;
use serde::{Deserialize, Serialize};
use netapp::NodeID;
use garage_net::NodeID;
use garage_util::config::KubernetesDiscoveryConfig;

10
src/rpc/layout/manager.rs
View file

@ -4,9 +4,9 @@ use std::time::Duration;
use tokio::sync::Notify;
use netapp::endpoint::Endpoint;
use netapp::peering::fullmesh::FullMeshPeeringStrategy;
use netapp::NodeID;
use garage_net::endpoint::Endpoint;
use garage_net::peering::PeeringManager;
use garage_net::NodeID;
use garage_util::config::Config;
use garage_util::data::*;
@ -37,7 +37,7 @@ impl LayoutManager {
config: &Config,
node_id: NodeID,
system_endpoint: Arc<Endpoint<SystemRpc, System>>,
fullmesh: Arc<FullMeshPeeringStrategy>,
peering: Arc<PeeringManager>,
replication_mode: ReplicationMode,
) -> Result<Arc<Self>, Error> {
let replication_factor = replication_mode.replication_factor();
@ -74,7 +74,7 @@ impl LayoutManager {
let rpc_helper = RpcHelper::new(
node_id.into(),
fullmesh,
peering,
layout.clone(),
config.rpc_timeout_msec.map(Duration::from_millis),
);

24
src/rpc/rpc_helper.rs
View file

@ -14,13 +14,13 @@ use opentelemetry::{
Context,
};
pub use netapp::endpoint::{Endpoint, EndpointHandler, StreamingEndpointHandler};
pub use netapp::message::{
pub use garage_net::endpoint::{Endpoint, EndpointHandler, StreamingEndpointHandler};
pub use garage_net::message::{
IntoReq, Message as Rpc, OrderTag, Req, RequestPriority, Resp, PRIO_BACKGROUND, PRIO_HIGH,
PRIO_NORMAL, PRIO_SECONDARY,
};
use netapp::peering::fullmesh::FullMeshPeeringStrategy;
pub use netapp::{self, NetApp, NodeID};
use garage_net::peering::PeeringManager;
pub use garage_net::{self, NetApp, NodeID};
use garage_util::data::*;
use garage_util::error::Error;
@ -89,7 +89,7 @@ pub struct RpcHelper(Arc<RpcHelperInner>);
struct RpcHelperInner {
our_node_id: Uuid,
fullmesh: Arc<FullMeshPeeringStrategy>,
peering: Arc<PeeringManager>,
layout: Arc<RwLock<LayoutHelper>>,
metrics: RpcMetrics,
rpc_timeout: Duration,
@ -98,7 +98,7 @@ struct RpcHelperInner {
impl RpcHelper {
pub(crate) fn new(
our_node_id: Uuid,
fullmesh: Arc<FullMeshPeeringStrategy>,
peering: Arc<PeeringManager>,
layout: Arc<RwLock<LayoutHelper>>,
rpc_timeout: Option<Duration>,
) -> Self {
@ -106,7 +106,7 @@ impl RpcHelper {
Self(Arc::new(RpcHelperInner {
our_node_id,
fullmesh,
peering,
layout,
metrics,
rpc_timeout: rpc_timeout.unwrap_or(DEFAULT_TIMEOUT),
@ -193,7 +193,7 @@ impl RpcHelper {
let span_name = format!("RPC [{}] call_many {} nodes", endpoint.path(), to.len());
let span = tracer.start(span_name);
let msg = msg.into_req().map_err(netapp::error::Error::from)?;
let msg = msg.into_req().map_err(garage_net::error::Error::from)?;
let resps = join_all(
to.iter()
@ -221,7 +221,7 @@ impl RpcHelper {
{
let to = self
.0
.fullmesh
.peering
.get_peer_list()
.iter()
.map(|p| p.id.into())
@ -310,7 +310,7 @@ impl RpcHelper {
// Build future for each request
// They are not started now: they are added below in a FuturesUnordered
// object that will take care of polling them (see below)
let msg = msg.into_req().map_err(netapp::error::Error::from)?;
let msg = msg.into_req().map_err(garage_net::error::Error::from)?;
let mut requests = request_order.into_iter().map(|to| {
let self2 = self.clone();
let msg = msg.clone();
@ -441,7 +441,7 @@ impl RpcHelper {
let mut result_tracker = QuorumSetResultTracker::new(to_sets, quorum);
// Send one request to each peer of the quorum sets
let msg = msg.into_req().map_err(netapp::error::Error::from)?;
let msg = msg.into_req().map_err(garage_net::error::Error::from)?;
let requests = result_tracker.nodes.keys().map(|peer| {
let self2 = self.clone();
let msg = msg.clone();
@ -521,7 +521,7 @@ impl RpcHelper {
nodes: impl Iterator<Item = Uuid>,
) -> Vec<Uuid> {
// Retrieve some status variables that we will use to sort requests
let peer_list = self.0.fullmesh.get_peer_list();
let peer_list = self.0.peering.get_peer_list();
let our_zone = layout
.current()
.get_node_zone(&self.0.our_node_id)

32
src/rpc/system.rs
View file

@ -15,11 +15,11 @@ use sodiumoxide::crypto::sign::ed25519;
use tokio::select;
use tokio::sync::{watch, Notify};
use netapp::endpoint::{Endpoint, EndpointHandler};
use netapp::message::*;
use netapp::peering::fullmesh::FullMeshPeeringStrategy;
use netapp::util::parse_and_resolve_peer_addr_async;
use netapp::{NetApp, NetworkKey, NodeID, NodeKey};
use garage_net::endpoint::{Endpoint, EndpointHandler};
use garage_net::message::*;
use garage_net::peering::PeeringManager;
use garage_net::util::parse_and_resolve_peer_addr_async;
use garage_net::{NetApp, NetworkKey, NodeID, NodeKey};
#[cfg(feature = "kubernetes-discovery")]
use garage_util::config::KubernetesDiscoveryConfig;
@ -96,7 +96,7 @@ pub struct System {
node_status: RwLock<HashMap<Uuid, (u64, NodeStatus)>>,
pub netapp: Arc<NetApp>,
fullmesh: Arc<FullMeshPeeringStrategy>,
peering: Arc<PeeringManager>,
pub(crate) system_endpoint: Arc<Endpoint<SystemRpc, System>>,
@ -265,9 +265,9 @@ impl System {
warn!("This Garage node does not know its publicly reachable RPC address, this might hamper intra-cluster communication.");
}
let fullmesh = FullMeshPeeringStrategy::new(netapp.clone(), vec![], rpc_public_addr);
let peering = PeeringManager::new(netapp.clone(), vec![], rpc_public_addr);
if let Some(ping_timeout) = config.rpc_ping_timeout_msec {
fullmesh.set_ping_timeout_millis(ping_timeout);
peering.set_ping_timeout_millis(ping_timeout);
}
let persist_peer_list = Persister::new(&config.metadata_dir, "peer_list");
@ -279,7 +279,7 @@ impl System {
config,
netapp.id,
system_endpoint.clone(),
fullmesh.clone(),
peering.clone(),
replication_mode,
)?;
@ -315,7 +315,7 @@ impl System {
local_status: ArcSwap::new(Arc::new(local_status)),
node_status: RwLock::new(HashMap::new()),
netapp: netapp.clone(),
fullmesh,
peering: peering.clone(),
system_endpoint,
replication_mode,
replication_factor,
@ -343,7 +343,7 @@ impl System {
self.netapp
.clone()
.listen(self.rpc_listen_addr, None, must_exit.clone()),
self.fullmesh.clone().run(must_exit.clone()),
self.peering.clone().run(must_exit.clone()),
self.discovery_loop(must_exit.clone()),
self.status_exchange_loop(must_exit.clone()),
);
@ -369,7 +369,7 @@ impl System {
pub fn get_known_nodes(&self) -> Vec<KnownNodeInfo> {
let node_status = self.node_status.read().unwrap();
let known_nodes = self
.fullmesh
.peering
.get_peer_list()
.iter()
.map(|n| KnownNodeInfo {
@ -623,10 +623,10 @@ impl System {
async fn discovery_loop(self: &Arc<Self>, mut stop_signal: watch::Receiver<bool>) {
while !*stop_signal.borrow() {
let not_configured = self.cluster_layout().check().is_err();
let no_peers = self.fullmesh.get_peer_list().len() < self.replication_factor;
let no_peers = self.peering.get_peer_list().len() < self.replication_factor;
let expected_n_nodes = self.cluster_layout().all_nodes().len();
let bad_peers = self
.fullmesh
.peering
.get_peer_list()
.iter()
.filter(|p| p.is_up())
@ -708,7 +708,7 @@ impl System {
// Prepare new peer list to save to file
// It is a vec of tuples (node ID as Uuid, node SocketAddr)
let mut peer_list = self
.fullmesh
.peering
.get_peer_list()
.iter()
.map(|n| (n.id.into(), n.addr))
@ -916,7 +916,7 @@ async fn resolve_peers(peers: &[String]) -> Vec<(NodeID, SocketAddr)> {
fn connect_error_message(
addr: SocketAddr,
pubkey: ed25519::PublicKey,
e: netapp::error::Error,
e: garage_net::error::Error,
) -> String {
format!("Error establishing RPC connection to remote node: {}@{}.\nThis can happen if the remote node is not reachable on the network, but also if the two nodes are not configured with the same rpc_secret.\n{}", hex::encode(pubkey), addr, e)
}

3
src/util/Cargo.toml
View file

@ -15,6 +15,7 @@ path = "lib.rs"
[dependencies]
garage_db.workspace = true
garage_net.workspace = true
arc-swap.workspace = true
async-trait.workspace = true
@ -40,8 +41,6 @@ toml.workspace = true
futures.workspace = true
tokio.workspace = true
netapp.workspace = true
http.workspace = true
hyper.workspace = true

10
src/util/data.rs
View file

@ -85,15 +85,15 @@ impl FixedBytes32 {
}
}
impl From<netapp::NodeID> for FixedBytes32 {
fn from(node_id: netapp::NodeID) -> FixedBytes32 {
impl From<garage_net::NodeID> for FixedBytes32 {
fn from(node_id: garage_net::NodeID) -> FixedBytes32 {
FixedBytes32::try_from(node_id.as_ref()).unwrap()
}
}
impl From<FixedBytes32> for netapp::NodeID {
fn from(bytes: FixedBytes32) -> netapp::NodeID {
netapp::NodeID::from_slice(bytes.as_slice()).unwrap()
impl From<FixedBytes32> for garage_net::NodeID {
fn from(bytes: FixedBytes32) -> garage_net::NodeID {
garage_net::NodeID::from_slice(bytes.as_slice()).unwrap()
}
}

4
src/util/error.rs
View file

@ -24,8 +24,8 @@ pub enum Error {
#[error(display = "Invalid HTTP header value: {}", _0)]
HttpHeader(#[error(source)] http::header::ToStrError),
#[error(display = "Netapp error: {}", _0)]
Netapp(#[error(source)] netapp::error::Error),
#[error(display = "Network error: {}", _0)]
Net(#[error(source)] garage_net::error::Error),
#[error(display = "DB error: {}", _0)]
Db(#[error(source)] garage_db::Error),