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threadshare: udp: avoid getifaddrs in android

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until the issue https://github.com/mmastrac/getifaddrs/issues/5 is fixed

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1917>
This commit is contained in:
Taruntej Kanakamalla 2024-11-14 16:45:00 +05:30
parent 1963dad67e
commit 75a0baa6fa
5 changed files with 128 additions and 54 deletions
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1
Cargo.lock generated
View file

@ -3071,6 +3071,7 @@ name = "gst-plugin-threadshare"
version = "0.14.0-alpha.1"
dependencies = [
"async-task",
"bitflags 2.6.0",
"cc",
"cfg-if",
"clap",

5
generic/threadshare/Cargo.toml
View file

@ -26,9 +26,12 @@ rustix = { version = "0.38.2", default-features = false, features = ["std", "fs"
slab = "0.4.7"
socket2 = {features = ["all"], version = "0.5"}
waker-fn = "1.1"
getifaddrs = "0.1"
bitflags = "2.6.0"
libc = "0.2"
windows-sys = "0.59.0"
[target.'cfg(not(target_os = "android"))'.dependencies]
getifaddrs = "0.1"
# Used by examples
clap = { version = "4", features = ["derive"], optional = true }

54
generic/threadshare/src/net.rs
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@ -8,6 +8,60 @@
//
// SPDX-License-Identifier: MPL-2.0
//FIXME: Remove this when https://github.com/mmastrac/getifaddrs/issues/5 is fixed in the `getifaddrs` crate
#[cfg(target_os = "android")]
pub mod getifaddrs {
use bitflags::bitflags;
bitflags! {
/// Flags representing the status and capabilities of a network interface.
///
/// These flags provide information about the current state and features of a network interface.
#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct InterfaceFlags: u32 {
/// The interface is up and running.
const UP = 0x1;
/// The interface is in a running state.
const RUNNING = 0x2;
/// The interface supports broadcast.
const BROADCAST = 0x4;
/// The interface is a loopback interface.
const LOOPBACK = 0x8;
/// The interface is a point-to-point link.
const POINTTOPOINT = 0x10;
/// The interface supports multicast.
const MULTICAST = 0x20;
}
}
/// Represents a network interface.
///
/// This struct contains information about a network interface, including its name,
/// IP address, netmask, flags, and index.
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct Interface {
/// The name of the interface.
pub name: String,
/// The description of the interface (Windows-specific).
#[cfg(windows)]
pub description: String,
/// The IP address associated with the interface.
pub address: std::net::IpAddr,
// TODO: This may be implementable for Windows.
#[cfg(not(windows))]
/// The associated address of the interface. For broadcast interfaces, this
/// is the broadcast address. For point-to-point interfaces, this is the
/// peer address.
pub associated_address: Option<std::net::IpAddr>,
/// The netmask of the interface, if available.
pub netmask: Option<std::net::IpAddr>,
/// The flags indicating the interface's properties and state.
pub flags: InterfaceFlags,
/// The index of the interface, if available.
pub index: Option<u32>,
}
}
use getifaddrs::Interface;
#[cfg(unix)]

62
generic/threadshare/src/udpsink/imp.rs
View file

@ -39,6 +39,10 @@ use std::net::{IpAddr, SocketAddr, UdpSocket};
use std::sync::{Arc, Mutex};
use std::time::Duration;
//FIXME: Remove this when https://github.com/mmastrac/getifaddrs/issues/5 is fixed in the `getifaddrs` crate
#[cfg(target_os = "android")]
use net::getifaddrs;
const DEFAULT_HOST: Option<&str> = Some("127.0.0.1");
const DEFAULT_PORT: i32 = 5004;
const DEFAULT_SYNC: bool = true;
@ -159,42 +163,46 @@ impl UdpSinkPadHandler {
// So we first get all the interfaces and then apply filter
// for name and description (Friendly Name) of each interface.
let ifaces = getifaddrs::getifaddrs().map_err(|err| {
gst::error_msg!(
gst::ResourceError::OpenRead,
["Failed to find interface {}: {}", multicast_iface, err]
)
})?;
//FIXME: Remove this when https://github.com/mmastrac/getifaddrs/issues/5 is fixed in the `getifaddrs` crate
#[cfg(not(target_os = "android"))]
{
let ifaces = getifaddrs::getifaddrs().map_err(|err| {
gst::error_msg!(
gst::ResourceError::OpenRead,
["Failed to find interface {}: {}", multicast_iface, err]
)
})?;
let iface_filter = ifaces.filter(|i| {
let ip_ver = if i.address.is_ipv4() { "IPv4" } else { "IPv6" };
let iface_filter = ifaces.filter(|i| {
let ip_ver = if i.address.is_ipv4() { "IPv4" } else { "IPv6" };
if &i.name == multicast_iface {
gst::debug!(
CAT,
imp = imp,
"Found interface: {}, version: {ip_ver}",
i.name,
);
true
} else {
#[cfg(windows)]
if &i.description == multicast_iface {
if &i.name == multicast_iface {
gst::debug!(
CAT,
imp = imp,
"Found interface: {}, version: {ip_ver}",
i.description,
i.name,
);
return true;
true
} else {
#[cfg(windows)]
if &i.description == multicast_iface {
gst::debug!(
CAT,
imp = imp,
"Found interface: {}, version: {ip_ver}",
i.description,
);
return true;
}
gst::trace!(CAT, imp = imp, "skipping interface {}", i.name);
false
}
});
gst::trace!(CAT, imp = imp, "skipping interface {}", i.name);
false
}
});
inner.multicast_ifaces = iface_filter.collect();
inner.multicast_ifaces = iface_filter.collect();
}
}
for addr in inner.clients.iter() {

60
generic/threadshare/src/udpsrc/imp.rs
View file

@ -40,6 +40,10 @@ use crate::socket::{wrap_socket, GioSocketWrapper, Socket, SocketError, SocketRe
use futures::channel::mpsc::{channel, Receiver, Sender};
use futures::pin_mut;
//FIXME: Remove this when https://github.com/mmastrac/getifaddrs/issues/5 is fixed in the `getifaddrs` crate
#[cfg(target_os = "android")]
use net::getifaddrs;
const DEFAULT_ADDRESS: Option<&str> = Some("0.0.0.0");
const DEFAULT_PORT: i32 = 5004;
const DEFAULT_REUSE: bool = true;
@ -378,42 +382,46 @@ impl TaskImpl for UdpSrcTask {
let multi_ifaces: Vec<String> =
multicast_iface.split(',').map(|s| s.to_string()).collect();
let iter = getifaddrs::getifaddrs().map_err(|err| {
gst::error_msg!(
gst::ResourceError::OpenRead,
["Failed to get interfaces: {}", err]
)
})?;
//FIXME: Remove this when https://github.com/mmastrac/getifaddrs/issues/5 is fixed in the `getifaddrs` crate
#[cfg(not(target_os = "android"))]
{
let iter = getifaddrs::getifaddrs().map_err(|err| {
gst::error_msg!(
gst::ResourceError::OpenRead,
["Failed to get interfaces: {}", err]
)
})?;
iter.for_each(|iface| {
let ip_ver = if iface.address.is_ipv4() {
"IPv4"
} else {
"IPv6"
};
for m in &multi_ifaces {
if &iface.name == m {
self.multicast_ifaces.push(iface.clone());
gst::debug!(
CAT,
obj = self.element,
"Interface {m} available, version: {ip_ver}"
);
iter.for_each(|iface| {
let ip_ver = if iface.address.is_ipv4() {
"IPv4"
} else {
// check if name matches the interface description (Friendly name) on Windows
#[cfg(windows)]
if &iface.description == m {
"IPv6"
};
for m in &multi_ifaces {
if &iface.name == m {
self.multicast_ifaces.push(iface.clone());
gst::debug!(
CAT,
obj = self.element,
"Interface {m} available, version: {ip_ver}"
);
} else {
// check if name matches the interface description (Friendly name) on Windows
#[cfg(windows)]
if &iface.description == m {
self.multicast_ifaces.push(iface.clone());
gst::debug!(
CAT,
obj = self.element,
"Interface {m} available, version: {ip_ver}"
);
}
}
}
}
});
});
}
}
if self.multicast_ifaces.is_empty() {