# Golang 간단한 TCP소켓을 이용한 서버/클라이언트 소스코드

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// simpleServer package main import ( "fmt" "net" ) func main() { var serverIp []byte = make([]byte, 4) serverIp[0] = 192 serverIp[1] = 168 serverIp[2] = 219 serverIp[3] = 131 var tcpAddr net.TCPAddr tcpAddr.IP = serverIp tcpAddr.Port = 8080 var readBuffer []byte = make([]byte, 256) tcpListener, tcpErr := net.ListenTCP("tcp", &tcpAddr) defer tcpListener.Close() if tcpErr != nil { fmt.Printf("%s %s", "TCP Error is : ", tcpErr) } for { conn, conErr := tcpListener.AcceptTCP() if conErr != nil { fmt.Println(conErr) } conn.Read(readBuffer) fmt.Println(readBuffer) conn.Close() } }

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// simpleClient package main import ( "fmt" "net" ) func main() { fmt.Println("SimpleClient~") var laddr, raddr net.TCPAddr var laddrIp []byte = make([]byte, 4) laddrIp[0] = 127 laddrIp[1] = 0 laddrIp[2] = 0 laddrIp[3] = 1 laddr.IP = laddrIp laddr.Port = 2000 var raddrIp []byte = make([]byte, 4) raddrIp[0] = 192 raddrIp[1] = 168 raddrIp[2] = 219 raddrIp[3] = 131 raddr.IP = raddrIp raddr.Port = 8080 var testWrite []byte = make([]byte, 256) testWrite[0] = 11 testWrite[1] = 22 tcpConn, conErr := net.DialTCP("tcp", nil, &raddr) if conErr != nil { fmt.Println(conErr) } else { tcpConn.Write(testWrite) tcpConn.Close() } }