Service-Terminal
#include <iostream>
#include<winsock.h>
#include <thread>
#include <string>
#pragma comment(lib,"ws2_32.lib")
// 处理HTTP请求
std::string handleRequest(const std::string& method, const std::string& uri, const std::string& body) {
std::string response;
if (method == "GET") {
// 处理GET请求
response = "HTTP/1.1 200 OK\r\n"
"Content-Type: text/html; charset=utf-8\r\n"
"\r\n"
"<html><head><title>Get Request</title></head><body><h1>Get Request Received!</h1></body></html>\r\n\r\n";
}
else if (method == "POST") {
// 处理POST请求
response = "HTTP/1.1 200 OK\r\n"
"Content-Type: text/html; charset=utf-8\r\n"
"\r\n"
"<html><head><title>Post Request</title></head><body><h1>Post Request Received!</h1><p>" + body + "</p></body></html>\r\n\r\n";
}
else {
// 处理其他请求
response = "HTTP/1.1 404 Not Found\r\n"
"Content-Type: text/html; charset=utf-8\r\n"
"\r\n"
"<html><head><title>Not Found</title></head><body><h1>404 Not Found</h1></body></html>\r\n\r\n";
}
return response;
}
// 处理客户端连接
void handleClient(int client_socket) {
char buffer[1024];
while (true) {
std::cout << "等待客户端数据中...." << std::endl;
// 接收HTTP请求
std::string request;
int n = recv(client_socket, buffer, 1024, 0);
if (n <= 0) {
break;
}
std::cout << "已收到数据，客户端的数据是：\n" << buffer << std::endl;
//客户端发送过来的信息
std::string mes = buffer;
//判断信息中是否正常的http请求，如果不是，则直接返回非法请求
if (mes.find("HTTP") == -1) {
std::string result = "聊天模式，不关闭socket";
send(client_socket, result.c_str(), result.length(), 0);
continue;
}
request.append(buffer, n);
// 解析HTTP请求
size_t pos = request.find(' ');
if (pos == std::string::npos) {
continue;
}
std::string method = request.substr(0, pos);
pos = request.find(' ', pos + 1);
if (pos == std::string::npos) {
continue;
}
std::string uri = request.substr(request.find(' ') + 1, pos - request.find(' ') - 1);
// 查找HTTP请求头结束位置
pos = request.find("\r\n\r\n");
if (pos == std::string::npos) {
continue;
}
// 解析HTTP请求Body
std::string body = request.substr(pos + 4);
// 处理HTTP请求
std::string response = handleRequest(method, uri, body);
// 发送HTTP响应
send(client_socket, response.c_str(), response.length(), 0);
std::cout << "给客户端返回数据:" << response<<std::endl;
std::cout << "给客户端返回数据完毕" << std::endl;
// 关闭连接
// 5.断开连接 end
closesocket(client_socket); //这个关闭后，客户端连接就断开了（如果不断开就可以持续和客户端交互）
//WSACleanup();
//跳出循环
break;
}
}
int main()
{
std::cout << "Hello World!\n";
WSADATA wsdata;
std::cout << "start up now ...." << std::endl;
if (WSAStartup(MAKEWORD(2, 2), &wsdata))
{
std::cout << "init socket failed!" << std::endl;
WSACleanup();
return FALSE;
}
std::cout << "before create socket ...." << std::endl;
SOCKET s_server, s_accept;
s_server = socket(PF_INET, SOCK_STREAM, 0);
if (s_server == INVALID_SOCKET)
{
std::cout << "create socket fail" << std::endl;
WSACleanup();
return FALSE;
}
std::cout << "create socket success...." << std::endl;
//填充服务端信息
SOCKADDR_IN server_addr;
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(8226);
//当然这里也可以将 127.0.0.1改成你想要的ip或者 INADDR_ANY 为向所有ip发送信息
server_addr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");
//数据绑定服务器 s_server为服务端套接字
std::cout << "before bind socket ...." << std::endl;
if (bind(s_server, (SOCKADDR*)&server_addr, sizeof(SOCKADDR)) == SOCKET_ERROR)
{
std::cout << "Binding Socket fail.......!" << std::endl;
WSACleanup();
return FALSE;
}
std::cout << "bind socket success...." << std::endl;
std::cout << "before listen socket ...." << std::endl;
if (listen(s_server, 1) == SOCKET_ERROR)
{
std::cout << "Listening Socket fail........!" << std::endl;
WSACleanup();
return FALSE;
}
std::cout << "listen socket success...." << std::endl;
sockaddr_in accept_addr; //用来记录请求连接的套接字信息
int len = sizeof(SOCKADDR);
char recv_buf[8192] = { 0 };
char send_buf[1024] = { 0 };
while (true)
{
//接受连接请求
std::cout << "wait accept...." << std::endl;
//这里会阻塞等待客户端连接
s_accept = accept(s_server, (SOCKADDR*)&accept_addr, &len);
if (s_accept == SOCKET_ERROR) {
std::cout << "Error: accept failed !" << std::endl;
//连接失败，释放socket
WSACleanup();
break;
}
std::cout << "建立连接成功...." << std::endl;
//处理客户端连接
handleClient(s_accept);
//启动线程去处理请求
//std::thread client_thread(handleClient, s_accept);
//client_thread.detach();
}
}
client:
#include <iostream>
#include<winsock.h>
#pragma comment(lib,"ws2_32.lib")
#include <string.h>
using namespace std;
int main()
{
std::cout << "Hello World!\n";
WSADATA wsdata;
if (WSAStartup(MAKEWORD(2, 2), &wsdata))
{
std::cout << "init socket failed!" << std::endl;
WSACleanup();
return FALSE;
}
//检测版本号
if (LOBYTE(wsdata.wVersion) != 2 || HIBYTE(wsdata.wHighVersion) != 2) {
std::cout << "Error: wsadata.wVersion != 2 ." << std::endl;
WSACleanup();
return -1;
}
SOCKET client;
client = socket(PF_INET, SOCK_STREAM, 0);
if (client == INVALID_SOCKET)
{
std::cout << "create socket fail" << std::endl;
WSACleanup();
return FALSE;
}
//填充服务端信息
SOCKADDR_IN server_addr;
server_addr.sin_family = AF_INET;
server_addr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");
server_addr.sin_port = htons(8226);
//发送连接请求 请求连接服务器
if (connect(client, (SOCKADDR*)&server_addr, sizeof(SOCKADDR)) == SOCKET_ERROR) {
std::cout << "Error: connect server failed !" << std::endl;
WSACleanup();
return -1;
}
std::cout << "成功连接到服务器" << std::endl;
//发送消息（自己重组的一个循环）
while (true)
{
string str="";
int choose = 0;
cout << "***************************" << endl;
cout << "***** 1、发送Get请求（接收响应信息后，断开socket连接）*****" << endl;
cout << "***** 2、发送Post请求（接收响应信息后，断开socket连接） *****" << endl;
cout << "***** 3、非法请求（聊天模式，不断开socket连接）*****" << endl;
cout << "***** 0、退出客户端 *****" << endl;
/*cout << "***** 5、修改联系人 *****" << endl;
cout << "***** 6、清空联系人 *****" << endl;
cout << "***** 0、退出通讯录 *****" << endl;*/
cout << "***************************" << endl;
std::cout << "请输入你的选择：" << std::ends;
std::cin >> choose;
if (choose==0) {
//退出客户端
break;
}
string rows = "";
string header = "";
switch (choose)
{
case 1:
//get请求
rows = "GET /check?a=1,2,3 HTTP/1.1\r\n";
header = "Connection:Keep-Alive\r\n"
"Accept-Encoding:gzip, deflate\r\n"
"Accept-Language:zh-CN,en,*\r\n"
"Content-Length:114\r\n"
"User-Agent:Mozilla/5.0\r\n\r\n";
break;
case 2:
//post请求
rows = "POST /check HTTP/1.1\r\n";
header = "Connection:Keep-Alive\r\n"
"Accept-Encoding:gzip, deflate\r\n"
"Accept-Language:zh-CN,en,*\r\n"
"Content-Length:114\r\n"
"Content-Type:application/x-www-form-urlencoded; charset=UTF-8\r\n"
"host:tmalarm.vemic.com\r\n"
"User-Agent:Mozilla/5.0\r\n"
"请求数据\r\n\r\n";
break;
case 3:
cout << "请输入你要发送得消息："<< ends;
cin >> str;
break;
default:
break;
}
str += "\r\n\r\n";
// 封装get/post请求
string path = rows + header+str;
char* bufsend = const_cast<char*>(path.c_str());
char temp[1024] = { 0 };
std::cout << "开始发送数据....." << std::endl;
snprintf(temp, sizeof(temp), "%s", bufsend);
//发送消息
int sendLen = send(client, (char*)temp, sizeof(temp), 0);
if (sendLen < 0) {
std::cout << "Error: send info to server failed !" << std::endl;
return -1;
}
std::cout << "发送数据成功、等待服务器响应....." << std::endl;
char recv_buf[8192] = { 0 };
int recv_len = recv(client, recv_buf, sizeof(recv_buf), 0); //接收服务端信息，若接收不到，会阻塞在这里
if (recv_len < 0) {
std::cout << "Error: receive info from server failed !" << std::endl;
return -1;
}
std::cout << "收到了服务器返回的信息 内容是：" << recv_buf << std::endl;
}
发送数据
//char temp[1024] = { 0 };
//std::cout << "开始发送数据....." << std::endl;
//snprintf(temp, sizeof(temp), "%s", "我是客户端 我发送信息给你了服务端");
//int sendLen = send(client, (char*)temp, sizeof(temp), 0);
//if (sendLen < 0) {
// std::cout << "Error: send info to server failed !" << std::endl;
// return -1;
//}
/*std::cout << "发送数据成功、等待服务器响应....." << std::endl;
char recv_buf[8192] = { 0 };
int recv_len = recv(client, recv_buf, sizeof(recv_buf), 0);
if (recv_len < 0) {
std::cout << "Error: receive info from server failed !" << std::endl;
return -1;
}
std::cout << "收到了服务器返回的信息 内容是：" << recv_buf << std::endl;*/
system("pause");
}