func Dial(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
log.Info("Internet|TCP: Dailing TCP to ", dest)
if src == nil {
src = v2net.AnyIP
}
networkSettings, err := options.Stream.GetEffectiveNetworkSettings()
if err != nil {
return nil, err
}
tcpSettings := networkSettings.(*Config)
id := internal.NewConnectionId(src, dest)
var conn net.Conn
if dest.Network == v2net.Network_TCP && tcpSettings.ConnectionReuse.IsEnabled() {
conn = globalCache.Get(id)
}
if conn == nil {
var err error
conn, err = internet.DialToDest(src, dest)
if err != nil {
return nil, err
}
if options.Stream != nil && options.Stream.HasSecuritySettings() {
securitySettings, err := options.Stream.GetEffectiveSecuritySettings()
if err != nil {
log.Error("TCP: Failed to get security settings: ", err)
return nil, err
}
tlsConfig, ok := securitySettings.(*v2tls.Config)
if ok {
config := tlsConfig.GetTLSConfig()
if dest.Address.Family().IsDomain() {
config.ServerName = dest.Address.Domain()
}
conn = tls.Client(conn, config)
}
}
if tcpSettings.HeaderSettings != nil {
headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
if err != nil {
return nil, errors.Base(err).Message("Interent|TCP: Failed to get header settings.")
}
auth, err := internet.CreateConnectionAuthenticator(tcpSettings.HeaderSettings.Type, headerConfig)
if err != nil {
return nil, errors.Base(err).Message("Internet|TCP: Failed to create header authenticator.")
}
conn = auth.Client(conn)
}
}
return NewConnection(id, conn, globalCache, tcpSettings), nil
}
func ListenTCP(address v2net.Address, port v2net.Port, options internet.ListenOptions) (internet.Listener, error) {
listener, err := net.ListenTCP("tcp", &net.TCPAddr{
IP: address.IP(),
Port: int(port),
})
if err != nil {
return nil, err
}
log.Info("TCP|Listener: Listening on ", address, ":", port)
networkSettings, err := options.Stream.GetEffectiveTransportSettings()
if err != nil {
return nil, err
}
tcpSettings := networkSettings.(*Config)
l := &TCPListener{
acccepting: true,
listener: listener,
awaitingConns: make(chan *ConnectionWithError, 32),
config: tcpSettings,
}
if options.Stream != nil && options.Stream.HasSecuritySettings() {
securitySettings, err := options.Stream.GetEffectiveSecuritySettings()
if err != nil {
log.Error("TCP: Failed to get security config: ", err)
return nil, err
}
tlsConfig, ok := securitySettings.(*v2tls.Config)
if ok {
l.tlsConfig = tlsConfig.GetTLSConfig()
}
}
if tcpSettings.HeaderSettings != nil {
headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
if err != nil {
return nil, errors.Base(err).Message("Internet|TCP: Invalid header settings.")
}
auth, err := internet.CreateConnectionAuthenticator(headerConfig)
if err != nil {
return nil, errors.Base(err).Message("Internet|TCP: Invalid header settings.")
}
l.authConfig = auth
}
go l.KeepAccepting()
return l, nil
}
func Dial(ctx context.Context, dest v2net.Destination) (internet.Connection, error) {
log.Info("Internet|TCP: Dailing TCP to ", dest)
src := internet.DialerSourceFromContext(ctx)
tcpSettings := internet.TransportSettingsFromContext(ctx).(*Config)
id := internal.NewConnectionID(src, dest)
var conn net.Conn
if dest.Network == v2net.Network_TCP && tcpSettings.IsConnectionReuse() {
conn = globalCache.Get(id)
}
if conn == nil {
var err error
conn, err = internet.DialSystem(src, dest)
if err != nil {
return nil, err
}
if securitySettings := internet.SecuritySettingsFromContext(ctx); securitySettings != nil {
tlsConfig, ok := securitySettings.(*v2tls.Config)
if ok {
config := tlsConfig.GetTLSConfig()
if dest.Address.Family().IsDomain() {
config.ServerName = dest.Address.Domain()
}
conn = tls.Client(conn, config)
}
}
if tcpSettings.HeaderSettings != nil {
headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
if err != nil {
return nil, errors.Base(err).Message("Interent|TCP: Failed to get header settings.")
}
auth, err := internet.CreateConnectionAuthenticator(headerConfig)
if err != nil {
return nil, errors.Base(err).Message("Internet|TCP: Failed to create header authenticator.")
}
conn = auth.Client(conn)
}
}
return internal.NewConnection(id, conn, globalCache, internal.ReuseConnection(tcpSettings.IsConnectionReuse())), nil
}
