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60 lines
1.1 KiB
60 lines
1.1 KiB
package peer
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import (
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"sync"
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"net"
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)
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/* Listener */
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type Listener struct {
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listener net.Listener
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handler func(net.Conn)
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mtx sync.Mutex
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closed bool
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}
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func NewListener(protocol string, laddr string, handler func(net.Conn)) *Listener {
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ln, err := net.Listen(protocol, laddr)
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if err != nil { panic(err) }
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s := &Listener{
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listener: ln,
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handler: handler,
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}
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go s.listen()
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return s
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}
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func (s *Listener) listen() {
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for {
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conn, err := s.listener.Accept()
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if err != nil {
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// lock & defer
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s.mtx.Lock(); defer s.mtx.Unlock()
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if s.closed {
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return
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} else {
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panic(err)
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}
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// unlock (deferred)
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}
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go s.handler(conn)
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}
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}
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func (s *Listener) LocalAddress() *NetAddress {
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return NewNetAddress(s.listener.Addr())
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}
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func (s *Listener) Close() {
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// lock
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s.mtx.Lock()
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s.closed = true
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s.mtx.Unlock()
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// unlock
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s.listener.Close()
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}
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