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package main
import (
"net"
"log"
"os"
"fmt"
)
const(
CONN_HOST = "localhost"
CONN_PORT = "3333"
CONN_TYPE = "tcp"
)
func main() {
// start a new listener
l, err := net.Listen(CONN_TYPE, CONN_HOST + ":" + CONN_PORT)
if err != nil {
log.Printf("Error listening: %v", err)
os.Exit(1)
}
// close the listener when done
defer l.Close()
for {
// accept a connection
conn, err := l.Accept()
if err != nil {
log.Printf("Error accepting: %v", err)
os.Exit(1)
}
// handle the connection in a new go thread
go handlerequest(conn)
}
}
func handlerequest(conn net.Conn) {
// creat a buffer storing the incomming data
buf := make([]byte, 1000)
// read from the connection into the buffer
reqLen, err := conn.Read(buf)
if err != nil {
log.Printf("Error reading: %v", err)
os.Exit(1)
}
// write back how many bytes were sent
conn.Write([]byte(fmt.Sprintf("Read %d bytes", reqLen)))
conn.Close()
}
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