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Code Issues Releases Wiki Activity

修复udp bind的时候，对port0处理不正确的问题(#676)

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sun5etop 2024-03-31 15:11:10 +08:00 committed by GitHub
parent da15231979
commit 9d9a09841c
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1 changed files with 5 additions and 20 deletions
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25
kernel/src/net/socket/inet.rs
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@ -275,7 +275,11 @@ impl UdpSocket {
}
fn do_bind(&self, socket: &mut udp::Socket, endpoint: Endpoint) -> Result<(), SystemError> {
if let Endpoint::Ip(Some(ip)) = endpoint {
if let Endpoint::Ip(Some(mut ip)) = endpoint {
// 端口为0则分配随机端口
if ip.port == 0 {
ip.port = PORT_MANAGER.get_ephemeral_port(self.metadata.socket_type)?;
}
// 检测端口是否已被占用
PORT_MANAGER.bind_port(self.metadata.socket_type, ip.port, self.handle.clone())?;
@ -342,25 +346,6 @@ impl Socket for UdpSocket {
let socket = socket_set_guard.get_mut::<udp::Socket>(self.handle.0);
// kdebug!("is open()={}", socket.is_open());
// kdebug!("socket endpoint={:?}", socket.endpoint());
if socket.endpoint().port == 0 {
let temp_port = PORT_MANAGER.get_ephemeral_port(self.metadata.socket_type)?;
let local_ep = match remote_endpoint.addr {
// 远程remote endpoint使用什么协议，发送的时候使用的协议是一样的吧
// 否则就用 self.endpoint().addr.unwrap()
wire::IpAddress::Ipv4(_) => Endpoint::Ip(Some(wire::IpEndpoint::new(
wire::IpAddress::Ipv4(wire::Ipv4Address::UNSPECIFIED),
temp_port,
))),
wire::IpAddress::Ipv6(_) => Endpoint::Ip(Some(wire::IpEndpoint::new(
wire::IpAddress::Ipv6(wire::Ipv6Address::UNSPECIFIED),
temp_port,
))),
};
// kdebug!("udp write: local_ep = {:?}", local_ep);
self.do_bind(socket, local_ep)?;
}
// kdebug!("is open()={}", socket.is_open());
if socket.can_send() {
// kdebug!("udp write: can send");
match socket.send_slice(buf, *remote_endpoint) {