mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-12-22 18:17:52 -05:00
66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
package tcp
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import (
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"context"
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"crypto/tls"
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"net"
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"v2ray.com/core/app/log"
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"v2ray.com/core/common"
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"v2ray.com/core/common/errors"
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v2net "v2ray.com/core/common/net"
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"v2ray.com/core/transport/internet"
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"v2ray.com/core/transport/internet/internal"
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v2tls "v2ray.com/core/transport/internet/tls"
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)
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var (
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globalCache = internal.NewConnectionPool()
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)
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func Dial(ctx context.Context, dest v2net.Destination) (internet.Connection, error) {
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log.Info("Internet|TCP: Dailing TCP to ", dest)
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src := internet.DialerSourceFromContext(ctx)
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tcpSettings := internet.TransportSettingsFromContext(ctx).(*Config)
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id := internal.NewConnectionID(src, dest)
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var conn net.Conn
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if dest.Network == v2net.Network_TCP && tcpSettings.IsConnectionReuse() {
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conn = globalCache.Get(id)
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}
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if conn == nil {
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var err error
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conn, err = internet.DialSystem(ctx, src, dest)
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if err != nil {
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return nil, err
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}
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if securitySettings := internet.SecuritySettingsFromContext(ctx); securitySettings != nil {
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tlsConfig, ok := securitySettings.(*v2tls.Config)
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if ok {
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config := tlsConfig.GetTLSConfig()
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if dest.Address.Family().IsDomain() {
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config.ServerName = dest.Address.Domain()
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}
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conn = tls.Client(conn, config)
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}
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}
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if tcpSettings.HeaderSettings != nil {
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headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
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if err != nil {
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return nil, errors.Base(err).Message("Internet|TCP: Failed to get header settings.")
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}
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auth, err := internet.CreateConnectionAuthenticator(headerConfig)
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if err != nil {
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return nil, errors.Base(err).Message("Internet|TCP: Failed to create header authenticator.")
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}
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conn = auth.Client(conn)
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}
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}
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return internal.NewConnection(id, conn, globalCache, internal.ReuseConnection(tcpSettings.IsConnectionReuse())), nil
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}
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func init() {
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common.Must(internet.RegisterTransportDialer(internet.TransportProtocol_TCP, Dial))
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}
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