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multicast, use the prebuilt interface map when checking active listeners (#707)
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parent
48f008a8e2
commit
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@ -259,17 +259,13 @@ func (m *Multicast) _announce() {
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continue
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}
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// Find the interface that matches the listener
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if intf, err := net.InterfaceByName(name); err == nil {
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if addrs, err := intf.Addrs(); err == nil {
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// Loop through the addresses attached to that listener and see if any
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// of them match the current address of the listener
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for _, addr := range addrs {
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if ip, _, err := net.ParseCIDR(addr.String()); err == nil {
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// Does the interface address match our listener address?
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if ip.Equal(listenaddr.IP) {
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found = true
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break
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}
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if info, ok := m._interfaces[name]; ok {
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for _, addr := range info.addrs {
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if ip, _, err := net.ParseCIDR(addr.String()); err == nil {
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// Does the interface address match our listener address?
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if ip.Equal(listenaddr.IP) {
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found = true
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break
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}
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}
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}
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