TCP服務端傳送資料（C ）

2021-10-05 18:16:32 字數 1468 閱讀 2682

本文記錄c++實現tcp協議的服務端部分，注意文中的阻塞態會長期存在，知道客戶端響應為止。

#include


"pch.h"


#include


#include


#pragma comment(lib,"ws2_32.lib") 


using


namespace std;


intmain


(int argc,


char


* ar**)


//建立套接字 


socket slisten =


socket


(af_inet, sock_stream, ipproto_tcp);if


(slisten == invalid_socket)


//繫結主機ip和埠資訊 


sockaddr_in sin;


sin.sin_family = af_inet;


sin.sin_port =


htons


(8888);


sin.sin_addr.s_un.s_addr = inaddr_any;if(


bind


(slisten,


(lpsockaddr)


&sin,


sizeof


(sin)


)== socket_error)if(


listen


(slisten,5)


== socket_error)


//迴圈接收資料 


socket sclient;


sockaddr_in remoteaddr;


int naddrlen =


sizeof


(remoteaddr)


;char revdata[


255]


;while


(true) 


cout <<


"接入連線："


<<


inet_ntoa


(remoteaddr.sin_addr)


<< endl;


//接收資料 


int ret =


recv


(sclient, revdata,


255,0)


;if(ret >0)


//傳送資料 


const


char


* senddata =


"hello tcp！\n"


;send


(sclient, senddata,


strlen


(senddata),0


);closesocket


(sclient);}


closesocket


(slisten)


;wsacleanup()


;return0;


}

python使用TCP服務端傳送接受資料

import socket 建立套接字 tcp server socket socket.socket socket.af inet,socket.sock stream 繫結本地資訊 tcp server socket.bind 7890 listen 監聽 tcp server socket.l...

TCP服務端實現併發

socket 在 tcp 協議下通訊 客戶端import socket 建立客戶端tcp協議通訊 c socket.socket 與指定服務端握手 c.connect 127.0.0.1 8080 通訊迴圈 while true 向服務端傳送資訊 msg input if len msg 0 con...

TCP客戶端服務端demo

服務端程式 include include include include include include include int main 列印握手成功的客戶端 struct sockaddr in servaddr socklen t nservlen sizeof servaddr getso...