mirror of
https://github.com/octoleo/syncthing.git
synced 2024-12-23 11:28:59 +00:00
53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify it
|
|
// under the terms of the GNU General Public License as published by the Free
|
|
// Software Foundation, either version 3 of the License, or (at your option)
|
|
// any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful, but WITHOUT
|
|
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
// more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package beacon
|
|
|
|
import "net"
|
|
|
|
type recv struct {
|
|
data []byte
|
|
src net.Addr
|
|
}
|
|
|
|
type Interface interface {
|
|
Send(data []byte)
|
|
Recv() ([]byte, net.Addr)
|
|
}
|
|
|
|
func genericReader(conn *net.UDPConn, outbox chan<- recv) {
|
|
bs := make([]byte, 65536)
|
|
for {
|
|
n, addr, err := conn.ReadFrom(bs)
|
|
if err != nil {
|
|
l.Warnln("multicast read:", err)
|
|
return
|
|
}
|
|
if debug {
|
|
l.Debugf("recv %d bytes from %s", n, addr)
|
|
}
|
|
|
|
c := make([]byte, n)
|
|
copy(c, bs)
|
|
select {
|
|
case outbox <- recv{c, addr}:
|
|
default:
|
|
if debug {
|
|
l.Debugln("dropping message")
|
|
}
|
|
}
|
|
}
|
|
}
|