功能
實現基于sokcet的Cpp服務端
TIPS：功能包括接收客戶端的數據，向客戶端發送數據。
源碼
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
#define _WINSOCK_DEPRECATED_NO_WARNINGS#include <iostream>//#include <windows.h>#include <WinSock2.h>#pragma comment(lib,"ws2_32")using std::cout;using std::endl;using std::cin;int main(){ system("chcp 65001"); //SetConsoleOutputCP(65001); WSADATA wsaData; WSAStartup(MAKEWORD(2, 2), &wsaData);//啟動window動態網絡庫 //1.創建socket //SOCKET == 句柄 == 文件描述符 == 套接字 //socket(協議族類型,協議類型,0); //協議族類型 IPV4（AF_INET） IPV6 //協議類型 TCP（SOCK_STREAM)，UDP(SOCK_DROP) SOCKET serverSocket = socket(AF_INET, SOCK_STREAM, 0);//IPPROTO_TCP if (serverSocket == INVALID_SOCKET) { cout << "創建socket失敗" << endl; return 0; } //2.綁定ip和端口號 //127.0.0.1 永遠指向本機 //0.0.0.o 綁定所有網卡的ip SOCKADDR_IN serverAddr; serverAddr.sin_family = AF_INET; serverAddr.sin_port = htons(7890);//host to networks short，將主機字節序轉化為網絡字節序 serverAddr.sin_addr.s_addr = inet_addr("127.0.0.1");//點分十進制轉換為10進制 if (SOCKET_ERROR == bind(serverSocket, (sockaddr *)&serverAddr, sizeof(SOCKADDR_IN))) { cout << "bind 失敗" << endl; return 0; } cout << "bind 成功" << endl; //3.監聽，提示本機的操作系統 if (INVALID_SOCKET == listen(serverSocket, 5)) { cout << "listen 失敗" << endl; return 0; } cout << "listen 成功" << endl; while(true) { //4.等待客戶端連接 SOCKADDR_IN clientAddr; int addrLen = sizeof(SOCKADDR_IN); SOCKET clientSocket = accept(serverSocket, (SOCKADDR *)&clientAddr, &addrLen); if (INVALID_SOCKET == clientSocket) { cout << "客戶端連接失敗 " << endl; return 0; } cout << "client ok " << inet_ntoa(clientAddr.sin_addr) << endl; cout << "port " << ntohs(clientAddr.sin_port) << endl; //5.收發數據 //接收數據 char recvBuffer[1024]{ 0 }; int nRecv = recv(clientSocket, recvBuffer, 1024, 0); cout << "recvLen:" << nRecv << "內容:" << recvBuffer << endl; //發送數據 int nSend = send(clientSocket, recvBuffer, nRecv, 0); cout << "send Len:" << nSend << endl; //6.關閉客戶端 closesocket(clientSocket); } //7.關閉服務端 closesocket(serverSocket); WSACleanup();//卸載window動態網絡庫 return 0;} |
效果
TIPS：利用sokit模擬工具模擬一個客戶端終端。
總結
本篇文章就到這里了，希望能夠給你帶來幫助，也希望您能夠多多關注服務器之家的更多內容!
原文鏈接：https://blog.csdn.net/qq135595696/article/details/121076451
