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Advanced Techniques in Go Programming

Developing Concurrent TCP Servers

Understand how to develop concurrent TCP servers in Go by using separate goroutines for each client connection. Learn to accept multiple TCP clients simultaneously, manage client interactions, and keep the server responsive and scalable. This lesson provides a practical example and code template for implementing real-world TCP server concurrency.

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This lesson teaches a pattern for developing concurrent TCP servers, which are servers that are using separate goroutines to serve their clients following a successful Accept() call. Therefore, such servers can serve multiple TCP clients at the same time. This is how real-world production servers and services are implemented.

Coding example

The code of concTCP.go is as follows:

Go (1.19.0)
package main
import (
	"bufio"
	"fmt"
	"net"
	"os"
	"strconv"
	"strings"
)
var count = 0
func handleConnection(c net.Conn) {
	fmt.Print(".")
...