/
client.go
48 lines (45 loc) · 1.17 KB
/
client.go
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package gotcp
import (
"context"
"net"
"reflect"
"time"
)
// Connect : 连接服务器
func (sess *Session) Connect(address string, derived ISession) bool {
if sess.IsClosed() == false {
xlog.Error("close session. server address =", sess.RemoteAddr())
sess.Close()
}
conn, err := connectDetail(address)
if err == nil {
obj := reflect.ValueOf(derived)
f := obj.MethodByName("Init")
if !f.IsNil() {
f.Call([]reflect.Value{reflect.ValueOf(context.Background()), reflect.ValueOf(conn), obj})
} else {
sess.Init(context.Background(), conn, derived)
}
sess.Start()
xlog.Info("connect server success. server address =", sess.RemoteAddr())
return true
}
xlog.Error(err)
return false
}
func connectDetail(address string) (*net.TCPConn, error) {
tcpAddr, err := net.ResolveTCPAddr("tcp4", address)
if err != nil {
return nil, err
}
conn, err := net.DialTCP("tcp", nil, tcpAddr)
if err != nil {
return nil, err
}
conn.SetKeepAlive(true)
conn.SetKeepAlivePeriod(1 * time.Minute)
conn.SetNoDelay(true)
conn.SetWriteBuffer(DefaultSendBuffSize)
conn.SetReadBuffer(DefaultRecvBuffSize)
return conn, nil
}