Go Web Development Cookbook
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How to do it…

In this recipe, we are going to update the main() method to call a handleRequest method passing the connection object to read and print data on the server console. Perform the following steps:

  1. Create tcp-server-read-data.go and copy the following content:
package main
import
(
"bufio"
"fmt"
"log"
"net"
)
const
(
CONN_HOST = "localhost"
CONN_PORT = "8080"
CONN_TYPE = "tcp"
)
func main()
{
listener, err := net.Listen(CONN_TYPE, CONN_HOST+":"+CONN_PORT)
if err != nil
{
log.Fatal("Error starting tcp server : ", err)
}
defer listener.Close()
log.Println("Listening on " + CONN_HOST + ":" + CONN_PORT)
for
{
conn, err := listener.Accept()
if err != nil
{
log.Fatal("Error accepting: ", err.Error())
}
go handleRequest(conn)
}
}
func handleRequest(conn net.Conn)
{
message, err := bufio.NewReader(conn).ReadString('\n')
if err != nil
{
fmt.Println("Error reading:", err.Error())
}
fmt.Print("Message Received from the client: ", string(message))
conn.Close()
}
  1. Run the program with the following command:
$ go run tcp-server-read-data.go