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change back to broadcast, because multicast has big problem if multiple

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interface with 0.0.0.0 binding
This commit is contained in:
rustdesk
2022-01-14 23:02:08 +08:00
parent 0a2bc1cf8a
commit 95239fc148
4 changed files with 117 additions and 362 deletions
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26
libs/hbb_common/src/udp.rs
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@@ -3,8 +3,8 @@ use anyhow::anyhow;
use bytes::{Bytes, BytesMut};
use futures::{SinkExt, StreamExt};
use protobuf::Message;
use socket2::{Domain, Protocol, Socket, Type};
use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4};
use socket2::{Domain, Socket, Type};
use std::net::SocketAddr;
use tokio::net::{ToSocketAddrs, UdpSocket};
use tokio_socks::{udp::Socks5UdpFramed, IntoTargetAddr, TargetAddr, ToProxyAddrs};
use tokio_util::{codec::BytesCodec, udp::UdpFramed};
@@ -142,25 +142,3 @@ impl FramedSocket {
}
}
}
// const DEFAULT_MULTICAST: &str = "239.255.42.98";
pub fn bind_multicast(
maddr: Option<SocketAddrV4>,
interface: Ipv4Addr,
) -> ResultType<FramedSocket> {
let socket = Socket::new(Domain::ipv4(), Type::dgram(), Some(Protocol::udp()))?;
socket.set_reuse_address(true)?;
if let Some(maddr) = maddr {
assert!(maddr.ip().is_multicast(), "Must be multcast address");
let addr = SocketAddrV4::new(interface, maddr.port());
socket.set_multicast_loop_v4(true)?;
socket.bind(&socket2::SockAddr::from(addr))?;
} else {
socket.bind(&socket2::SockAddr::from(SocketAddrV4::new(interface, 0)))?;
}
Ok(FramedSocket::Direct(UdpFramed::new(
UdpSocket::from_std(socket.into_udp_socket())?,
BytesCodec::new(),
)))
}