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Code Issues Releases Wiki Activity

Improve listening on all interfaces for complex environments

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If one interface is failed it should not fail whole program
This commit is contained in:
Leonid Bugaev
2016-05-11 20:08:20 +05:00
parent 768c5f9726
commit cbc871b83f
1 changed files with 10 additions and 3 deletions
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raw_socket_listener/listener.go
+10 -3
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@@ -273,12 +273,19 @@ func (t *Listener) readPcap() {
go func(device pcap.Interface) {
handle, err := pcap.OpenLive(device.Name, 65536, true, t.messageExpire)
if err != nil {
log.Fatal(err)
log.Println("Pcap Error while opening device", device.Name, err)
wg.Done()
return
}
defer handle.Close()
if err := handle.SetBPFFilter("tcp and port " + strconv.Itoa(int(t.port))); err != nil {
log.Fatal(err)
bpf := "port " + strconv.Itoa(int(t.port))
// log.Println("Applying bpf programm:", bpf, " Device:", device.Name)
if err := handle.SetBPFFilter(bpf); err != nil {
log.Println("BPF filter error:", err, "Device:", device.Name)
wg.Done()
return
}
source := gopacket.NewPacketSource(handle, handle.LinkType())