77 lines
1.5 KiB
Go
77 lines
1.5 KiB
Go
package tcp
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import (
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"context"
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"net"
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"github.com/go-gost/gost/pkg/components/dialer"
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md "github.com/go-gost/gost/pkg/components/metadata"
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"github.com/go-gost/gost/pkg/logger"
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"github.com/go-gost/gost/pkg/registry"
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)
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func init() {
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registry.RegisterDialer("tcp", NewDialer)
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}
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type Dialer struct {
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md metadata
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logger logger.Logger
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}
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func NewDialer(opts ...dialer.Option) dialer.Dialer {
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options := &dialer.Options{}
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for _, opt := range opts {
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opt(options)
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}
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return &Dialer{
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logger: options.Logger,
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}
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}
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func (d *Dialer) Init(md md.Metadata) (err error) {
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return d.parseMetadata(md)
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}
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func (d *Dialer) Dial(ctx context.Context, addr string, opts ...dialer.DialOption) (net.Conn, error) {
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var options dialer.DialOptions
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for _, opt := range opts {
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opt(&options)
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}
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dial := options.DialFunc
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if dial != nil {
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conn, err := dial(ctx, addr)
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if err != nil {
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d.logger.Error(err)
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} else {
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if d.logger.IsLevelEnabled(logger.DebugLevel) {
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d.logger.WithFields(map[string]interface{}{
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"src": conn.LocalAddr().String(),
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"dst": addr,
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}).Debug("dial with dial func")
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}
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}
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return conn, err
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}
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var netd net.Dialer
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conn, err := netd.DialContext(ctx, "tcp", addr)
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if err != nil {
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d.logger.Error(err)
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} else {
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if d.logger.IsLevelEnabled(logger.DebugLevel) {
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d.logger.WithFields(map[string]interface{}{
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"src": conn.LocalAddr().String(),
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"dst": addr,
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}).Debug("dial direct")
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}
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}
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return conn, err
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}
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func (d *Dialer) parseMetadata(md md.Metadata) (err error) {
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return
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}
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