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42 lines
777 B
Go
42 lines
777 B
Go
// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
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// All rights reserved. Use of this source code is governed by an MIT-style
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// license that can be found in the LICENSE file.
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package beacon
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import "net"
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type recv struct {
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data []byte
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src net.Addr
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}
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type Interface interface {
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Send(data []byte)
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Recv() ([]byte, net.Addr)
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}
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func genericReader(conn *net.UDPConn, outbox chan<- recv) {
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bs := make([]byte, 65536)
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for {
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n, addr, err := conn.ReadFrom(bs)
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if err != nil {
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l.Warnln("multicast read:", err)
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return
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}
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if debug {
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l.Debugf("recv %d bytes from %s", n, addr)
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}
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c := make([]byte, n)
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copy(c, bs)
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select {
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case outbox <- recv{c, addr}:
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default:
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if debug {
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l.Debugln("dropping message")
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}
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}
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}
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}
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