mirror of
https://github.com/aler9/rtsp-simple-server
synced 2025-09-27 20:12:21 +08:00
137 lines
2.0 KiB
Go
137 lines
2.0 KiB
Go
package rtp
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import (
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"fmt"
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"net"
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"net/url"
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"os"
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"sync"
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"time"
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)
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type unixConn struct {
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l net.Listener
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c net.Conn
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mutex sync.Mutex
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closed bool
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deadline time.Time
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}
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func (r *unixConn) Close() error {
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r.mutex.Lock()
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defer r.mutex.Unlock()
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r.closed = true
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r.l.Close()
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if r.c != nil {
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r.c.Close()
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}
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return nil
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}
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func (r *unixConn) acceptWithDeadline() (net.Conn, error) {
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done := make(chan struct{})
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defer func() { <-done }()
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terminate := make(chan struct{})
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defer close(terminate)
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go func() {
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defer close(done)
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select {
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case <-time.After(time.Until(r.deadline)):
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r.l.Close()
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case <-terminate:
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return
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}
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}()
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c, err := r.l.Accept()
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if err != nil {
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if time.Now().After(r.deadline) {
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return nil, fmt.Errorf("deadline exceeded")
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}
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return nil, err
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}
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return c, nil
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}
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func (r *unixConn) setConn(c net.Conn) error {
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r.mutex.Lock()
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defer r.mutex.Unlock()
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if r.closed {
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return fmt.Errorf("closed")
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}
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r.c = c
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return nil
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}
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func (r *unixConn) Read(p []byte) (int, error) {
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if r.c == nil {
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c, err := r.acceptWithDeadline()
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if err != nil {
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return 0, err
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}
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err = r.setConn(c)
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if err != nil {
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return 0, err
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}
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}
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r.c.SetReadDeadline(r.deadline)
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return r.c.Read(p)
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}
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func (r *unixConn) Write(_ []byte) (int, error) {
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panic("unimplemented")
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}
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func (r *unixConn) LocalAddr() net.Addr {
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panic("unimplemented")
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}
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func (r *unixConn) RemoteAddr() net.Addr {
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panic("unimplemented")
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}
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func (r *unixConn) SetDeadline(_ time.Time) error {
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panic("unimplemented")
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}
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func (r *unixConn) SetReadDeadline(t time.Time) error {
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r.deadline = t
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return nil
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}
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func (r *unixConn) SetWriteDeadline(_ time.Time) error {
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panic("unimplemented")
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}
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func createUnix(u *url.URL) (net.Conn, error) {
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var pa string
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if u.Path != "" {
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pa = u.Path
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} else {
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pa = u.Host
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}
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if pa == "" {
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return nil, fmt.Errorf("invalid unix path")
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}
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os.Remove(pa)
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socket, err := net.Listen("unix", pa)
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if err != nil {
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return nil, err
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}
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return &unixConn{l: socket}, nil
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}
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