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Add support for UDP routing in systemd socket activation

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tsiid 2025-01-21 11:38:09 +03:00 • committed by GitHub
parent 95dd17e020
commit 261e4395f3
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GPG key ID: B5690EEEBB952194
9 changed files with 158 additions and 54 deletions
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27
pkg/udp/conn.go
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@ -34,16 +34,12 @@ type Listener struct {
timeout time.Duration
}
// Listen creates a new listener.
func Listen(listenConfig net.ListenConfig, network, address string, timeout time.Duration) (*Listener, error) {
// Creates a new listener from PacketConn.
func ListenPacketConn(packetConn net.PacketConn, timeout time.Duration) (*Listener, error) {
if timeout <= 0 {
return nil, errors.New("timeout should be greater than zero")
}
packetConn, err := listenConfig.ListenPacket(context.Background(), network, address)
if err != nil {
return nil, fmt.Errorf("listen packet: %w", err)
}
pConn, ok := packetConn.(*net.UDPConn)
if !ok {
return nil, errors.New("packet conn is not an UDPConn")
@ -62,6 +58,25 @@ func Listen(listenConfig net.ListenConfig, network, address string, timeout time
return l, nil
}
// Listen creates a new listener.
func Listen(listenConfig net.ListenConfig, network, address string, timeout time.Duration) (*Listener, error) {
if timeout <= 0 {
return nil, errors.New("timeout should be greater than zero")
}
packetConn, err := listenConfig.ListenPacket(context.Background(), network, address)
if err != nil {
return nil, fmt.Errorf("listen packet: %w", err)
}
l, err := ListenPacketConn(packetConn, timeout)
if err != nil {
return nil, fmt.Errorf("listen packet conn: %w", err)
}
return l, nil
}
// Accept waits for and returns the next connection to the listener.
func (l *Listener) Accept() (*Conn, error) {
c := <-l.acceptCh