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55 lines
1.5 KiB
55 lines
1.5 KiB
package internet
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import (
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"context"
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"v2ray.com/core/common/net"
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)
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var (
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transportListenerCache = make(map[string]ListenFunc)
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)
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func RegisterTransportListener(protocol string, listener ListenFunc) error {
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if _, found := transportListenerCache[protocol]; found {
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return newError(protocol, " listener already registered.").AtError()
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}
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transportListenerCache[protocol] = listener
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return nil
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}
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type ConnHandler func(Connection)
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type ListenFunc func(ctx context.Context, address net.Address, port net.Port, handler ConnHandler) (Listener, error)
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type Listener interface {
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Close() error
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Addr() net.Addr
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}
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func ListenTCP(ctx context.Context, address net.Address, port net.Port, handler ConnHandler) (Listener, error) {
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settings := StreamSettingsFromContext(ctx)
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protocol := settings.GetEffectiveProtocol()
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transportSettings, err := settings.GetEffectiveTransportSettings()
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if err != nil {
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return nil, err
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}
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ctx = ContextWithTransportSettings(ctx, transportSettings)
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if settings != nil && settings.HasSecuritySettings() {
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securitySettings, err := settings.GetEffectiveSecuritySettings()
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if err != nil {
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return nil, err
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}
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ctx = ContextWithSecuritySettings(ctx, securitySettings)
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}
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listenFunc := transportListenerCache[protocol]
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if listenFunc == nil {
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return nil, newError(protocol, " listener not registered.").AtError()
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}
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listener, err := listenFunc(ctx, address, port, handler)
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if err != nil {
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return nil, newError("failed to listen on address: ", address, ":", port).Base(err)
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}
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return listener, nil
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}
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