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Add hostname to node info
This commit is contained in:
Alex Auvolat
parent
a6129d8626
commit
e325c7f47a
5 changed files with 52 additions and 11 deletions
11
Cargo.lock
generated
11
Cargo.lock
generated
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@ -304,6 +304,7 @@ dependencies = [
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"futures-channel 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"gethostname 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"hyper 0.13.4 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -332,6 +333,15 @@ dependencies = [
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"typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "gethostname"
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "getrandom"
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version = "0.1.14"
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@ -1273,6 +1283,7 @@ dependencies = [
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"checksum futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "22766cf25d64306bedf0384da004d05c9974ab104fcc4528f1236181c18004c5"
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"checksum fxhash 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
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"checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
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"checksum gethostname 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e692e296bfac1d2533ef168d0b60ff5897b8b70a4009276834014dd8924cc028"
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"checksum getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "7abc8dd8451921606d809ba32e95b6111925cd2906060d2dcc29c070220503eb"
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"checksum h2 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "377038bf3c89d18d6ca1431e7a5027194fbd724ca10592b9487ede5e8e144f42"
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"checksum heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
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@ -30,6 +30,7 @@ async-trait = "0.1.30"
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reduce = "0.1.2"
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serde_json = "1.0"
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arc-swap = "0.4"
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gethostname = "0.2"
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rustls = "0.17"
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tokio-rustls = "0.13"
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@ -247,8 +247,8 @@ async fn cmd_status(rpc_cli: RpcAddrClient<Message>, rpc_host: SocketAddr) -> Re
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for adv in status.iter() {
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if let Some(cfg) = config.members.get(&adv.id) {
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println!(
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"{:?}\t{}\t{}\t{}",
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adv.id, cfg.datacenter, cfg.n_tokens, adv.addr
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"{:?}\t{}\t{}\t{}\t{}",
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adv.id, adv.state_info.hostname, adv.addr, cfg.datacenter, cfg.n_tokens
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);
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}
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}
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@ -274,7 +274,7 @@ async fn cmd_status(rpc_cli: RpcAddrClient<Message>, rpc_host: SocketAddr) -> Re
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println!("\nUnconfigured nodes:");
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for adv in status.iter() {
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if !config.members.contains_key(&adv.id) {
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println!("{:?}\t{}", adv.id, adv.addr);
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println!("{:?}\t{}\t{}", adv.id, adv.state_info.hostname, adv.addr);
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}
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}
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}
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@ -48,12 +48,15 @@ pub struct PingMessage {
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pub status_hash: Hash,
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pub config_version: u64,
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pub state_info: StateInfo,
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct AdvertisedNode {
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pub id: UUID,
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pub addr: SocketAddr,
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pub state_info: StateInfo,
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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@ -72,6 +75,8 @@ pub struct System {
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pub config: Config,
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pub id: UUID,
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pub state_info: StateInfo,
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pub rpc_http_client: Arc<RpcHttpClient>,
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rpc_client: Arc<RpcClient<Message>>,
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@ -85,14 +90,20 @@ pub struct System {
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#[derive(Debug, Clone)]
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pub struct Status {
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pub nodes: HashMap<UUID, NodeStatus>,
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pub nodes: HashMap<UUID, StatusEntry>,
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pub hash: Hash,
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}
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#[derive(Debug, Clone)]
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pub struct NodeStatus {
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pub struct StatusEntry {
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pub addr: SocketAddr,
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pub remaining_ping_attempts: usize,
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pub state_info: StateInfo,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct StateInfo {
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pub hostname: String,
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}
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#[derive(Clone)]
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@ -114,9 +125,10 @@ impl Status {
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let addr = SocketAddr::new(ip, info.rpc_port);
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let old_status = self.nodes.insert(
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info.id.clone(),
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NodeStatus {
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StatusEntry {
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addr: addr.clone(),
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remaining_ping_attempts: MAX_FAILED_PINGS,
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state_info: info.state_info.clone(),
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},
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);
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match old_status {
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@ -268,6 +280,12 @@ impl System {
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status.recalculate_hash();
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let (update_status, status) = watch::channel(Arc::new(status));
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let state_info = StateInfo {
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hostname: gethostname::gethostname()
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.into_string()
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.unwrap_or("<invalid utf-8>".to_string()),
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};
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let mut ring = Ring {
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config: net_config,
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ring: Vec::new(),
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@ -289,6 +307,7 @@ impl System {
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let sys = Arc::new(System {
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config,
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id,
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state_info,
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rpc_http_client,
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rpc_client,
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status,
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@ -346,6 +365,7 @@ impl System {
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rpc_port: self.config.rpc_port,
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status_hash: status.hash.clone(),
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config_version: ring.config.version,
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state_info: self.state_info.clone(),
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})
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}
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@ -408,6 +428,7 @@ impl System {
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to_advertise.push(AdvertisedNode {
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id: info.id.clone(),
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addr: addr.clone(),
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state_info: info.state_info.clone(),
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});
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}
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if is_new || status.hash != info.status_hash {
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@ -486,9 +507,15 @@ impl System {
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let status = self.status.borrow().clone();
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let mut mem = vec![];
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for (node, status) in status.nodes.iter() {
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let state_info = if *node == self.id {
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self.state_info.clone()
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} else {
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status.state_info.clone()
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};
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mem.push(AdvertisedNode {
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id: node.clone(),
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addr: status.addr.clone(),
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state_info,
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});
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}
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Ok(Message::AdvertiseNodesUp(mem))
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@ -515,9 +542,10 @@ impl System {
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let self_addr = SocketAddr::new(node.addr.ip(), self.config.rpc_port);
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let old_self = status.nodes.insert(
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node.id.clone(),
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NodeStatus {
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StatusEntry {
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addr: self_addr,
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remaining_ping_attempts: MAX_FAILED_PINGS,
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state_info: self.state_info.clone(),
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},
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);
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has_changed = match old_self {
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@ -231,10 +231,11 @@ impl RpcHttpClient {
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let status = resp.status();
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let body = hyper::body::to_bytes(resp.into_body()).await?;
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match rmp_serde::decode::from_read::<_, Result<M, String>>(body.into_buf()) {
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Err(e) =>
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Err(Error::RPCError(format!("Invalid reply"), status)),
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Ok(Err(e)) =>
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Err(Error::RPCError(e, status)),
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Err(e) => Err(Error::RPCError(
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format!("Invalid reply (deserialize error: {})", e),
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status,
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)),
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Ok(Err(e)) => Err(Error::RPCError(e, status)),
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Ok(Ok(x)) => Ok(x),
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}
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}
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