【分享|开源 -_-】HTTPSERVER

2013-09-06 11:06:47 206 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

基于QT的httpServer多线程后台服务设计与实现本文详细介绍了基于QT框架设计和实现一个高效、稳定的多线程HTTP后台服务的完整方案。通过分析实际应用场景，阐述了使用QT构建内嵌HTTP Server的必要性，并利用QtWebApp库实现了监听器、请求处理器与线程池分离的核心架构。文章提供了从项目创建、API处理器编写、请求路由到服务器配置与启动的完整代码示例，并深入探讨了线程池调优、连接管理、内存安全及日志监控等性能优化与实战要点，旨在帮助开发者构建可与QT应用深度集成、支持高并发的跨平台后台服务。阅读详情



#include <Winsock2.h>

#include <windows.h>

#include <stdio.h>

#include <conio.h>

#include <vector>



using namespace std;



#pragma comment(lib, "Ws2_32.lib")



BOOL WINAPI HandlerRoutine(DWORD Event)

{

	switch(Event)

	{

	case CTRL_C_EVENT:

	case CTRL_BREAK_EVENT:

	case CTRL_CLOSE_EVENT:

	case CTRL_LOGOFF_EVENT:

	case CTRL_SHUTDOWN_EVENT:

		exit(0);

	}

	return TRUE;	

}



void main()

{

	WSADATA data;

	WSAStartup(MAKEWORD( 2, 2 ), &data);

	

	SOCKET sock = socket(AF_INET, SOCK_STREAM, 0);



	if( sock == INVALID_SOCKET )

	{

		printf("Failed to create SOCKET!\n");

		return;

	}



	sockaddr_in addr;

	addr.sin_port = htons(80);

	addr.sin_family = AF_INET;

	addr.sin_addr.s_addr = htonl(INADDR_ANY);



	if( SOCKET_ERROR == bind(sock, (const sockaddr*)&addr, sizeof(sockaddr_in)) )

	{

		printf("The socket binding port failed!\n");

		return;

	}



	if( SOCKET_ERROR  == listen(sock, SOMAXCONN) )

	{

		printf("failed to listen socket!\n");

		return;

	}



	printf("http server is running!\n");



	while(1)

	{

		sockaddr_in addr_client;

		int nSize = sizeof(sockaddr_in);

		SOCKET socket_client = accept(sock, (sockaddr*)&addr_client, &nSize);

		if( INVALID_SOCKET  == socket_client )

		{

			Sleep(100);

			continue;

		}

		

		vector<char> vecBuffer;

		while(1)

		{

			bool bIsRead = false;



			char szBufer[128] = {0};

			int nRead = recv(socket_client, szBufer, sizeof(szBufer), 0);

			

			if( SOCKET_ERROR == nRead )

			{

				printf("Socket failed to receive data! error code = %d\n", WSAGetLastError());

			}



			if( strlen(szBufer) > 0 )

			{

				vecBuffer.reserve(vecBuffer.size() + strlen(szBufer));

				vecBuffer.insert(vecBuffer.end(), &szBufer[0], &szBufer[0] + nRead);

			}



			if( strstr(szBufer, "\r\n\r\n") )

			{

				printf("Has received the HTTP head!\n");

				break;

			}

		}



		vecBuffer.reserve(vecBuffer.size()+1);

		vecBuffer.insert(vecBuffer.end(), '\0', 1);



		char* pHttpBuffer = &vecBuffer[0];



		printf("recv data -----------------------------\n%s\n", &vecBuffer[0]);



		if( strnicmp(pHttpBuffer, "GET ", 4) == 0 )

		{

			char szResponse[512] = {0};



			sprintf(szResponse, "HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nContent-Length: %d\r\n\r\nhello world!", 

				strlen("hello world!"));

			if( SOCKET_ERROR == send(socket_client, szResponse, strlen(szResponse), 0) )

			{

				printf("failed to response data! error code = %d\n",  WSAGetLastError());

			}

		}



		shutdown(socket_client, SD_BOTH);

		closesocket(socket_client);		

	}



	WSACleanup();

}