mnet: fix error handling during listen, to prevent a panic when a socket is taken
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parent
398d887514
commit
b2aa2f73bd
16
mnet/mnet.go
16
mnet/mnet.go
@ -93,21 +93,21 @@ func InstListener(cmp *mcmp.Component, opts ...ListenerOpt) *Listener {
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),
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)
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mrun.InitHook(cmp, func(context.Context) error {
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var err error
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mrun.InitHook(cmp, func(ctx context.Context) error {
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cmp.Annotate("proto", lOpts.proto, "addr", *addr)
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var err error
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if lOpts.isPacketConn() {
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l.PacketConn, err = net.ListenPacket(lOpts.proto, *addr)
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if l.PacketConn, err = net.ListenPacket(lOpts.proto, *addr); err != nil {
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return merr.Wrap(err, cmp.Context(), ctx)
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}
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cmp.Annotate("addr", l.PacketConn.LocalAddr().String())
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} else {
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l.Listener, err = net.Listen(lOpts.proto, *addr)
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if l.Listener, err = net.Listen(lOpts.proto, *addr); err != nil {
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return merr.Wrap(err, cmp.Context(), ctx)
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}
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cmp.Annotate("addr", l.Listener.Addr().String())
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}
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if err != nil {
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return merr.Wrap(err, cmp.Context())
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}
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mlog.From(cmp).Info("listening")
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return nil
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