|
|
@ -2,6 +2,7 @@ package tcp
|
|
|
|
|
|
|
|
|
|
|
|
import (
|
|
|
|
import (
|
|
|
|
"crypto/tls"
|
|
|
|
"crypto/tls"
|
|
|
|
|
|
|
|
"fmt"
|
|
|
|
"net"
|
|
|
|
"net"
|
|
|
|
"time"
|
|
|
|
"time"
|
|
|
|
)
|
|
|
|
)
|
|
|
@ -23,28 +24,32 @@ type Dialer struct {
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Dial dials the cluster service at the given addr and returns a connection.
|
|
|
|
// Dial dials the cluster service at the given addr and returns a connection.
|
|
|
|
func (d *Dialer) Dial(addr string, timeout time.Duration) (net.Conn, error) {
|
|
|
|
func (d *Dialer) Dial(addr string, timeout time.Duration) (conn net.Conn, retErr error) {
|
|
|
|
dialer := &net.Dialer{Timeout: timeout}
|
|
|
|
dialer := &net.Dialer{Timeout: timeout}
|
|
|
|
|
|
|
|
|
|
|
|
var err error
|
|
|
|
|
|
|
|
var conn net.Conn
|
|
|
|
|
|
|
|
if d.remoteEncrypted {
|
|
|
|
if d.remoteEncrypted {
|
|
|
|
conf := &tls.Config{
|
|
|
|
conf := &tls.Config{
|
|
|
|
InsecureSkipVerify: d.skipVerify,
|
|
|
|
InsecureSkipVerify: d.skipVerify,
|
|
|
|
}
|
|
|
|
}
|
|
|
|
conn, err = tls.DialWithDialer(dialer, "tcp", addr, conf)
|
|
|
|
conn, retErr = tls.DialWithDialer(dialer, "tcp", addr, conf)
|
|
|
|
} else {
|
|
|
|
} else {
|
|
|
|
conn, err = dialer.Dial("tcp", addr)
|
|
|
|
conn, retErr = dialer.Dial("tcp", addr)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if err != nil {
|
|
|
|
if retErr != nil {
|
|
|
|
return nil, err
|
|
|
|
return nil, retErr
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
defer func() {
|
|
|
|
|
|
|
|
if retErr != nil {
|
|
|
|
|
|
|
|
conn.Close()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
}()
|
|
|
|
|
|
|
|
|
|
|
|
// Write a marker byte to indicate message type.
|
|
|
|
// Write a marker byte to indicate message type.
|
|
|
|
_, err = conn.Write([]byte{d.header})
|
|
|
|
if err := conn.SetWriteDeadline(time.Now().Add(timeout)); err != nil {
|
|
|
|
if err != nil {
|
|
|
|
return nil, fmt.Errorf("failed to set WriteDeadline for header: %s", err.Error())
|
|
|
|
conn.Close()
|
|
|
|
}
|
|
|
|
|
|
|
|
if _, err := conn.Write([]byte{d.header}); err != nil {
|
|
|
|
return nil, err
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return conn, err
|
|
|
|
return conn, nil
|
|
|
|
}
|
|
|
|
}
|
|
|
|