我正在尝试编写一个服务器应用程序包装器，就像我对任何应用程序一样，我已经搜索了一个多星期，以寻找至少不错的异步套接字指南或教程（这个包装器必须是异步的），到目前为止我能这样做是：
#ifndef _SERVER_H
#define _SERVER_H
#include "asynserv.h" // header file with the important lib includes
#include <map>
namespace Connections
{
DWORD WINAPI MainThread(LPVOID lParam); // Main thread
DWORD WINAPI DataThread(LPVOID lParam); // thread that will be created for each client
struct ClientServer // struct to keep a server and a client pair.
{
public:
struct Client* Client;
class Server* Server;
};
struct Client // a struct wrapper to keep clients
{
public:
Client(SOCKET Connection, int BufferSize, UINT ID);
~Client();
SOCKET WorkerSocket;
char Buffer[255];
bool Connected;
int RecvSize;
UINT UID;
void Send(char * Data);
void Disconnect();
};
class Server
{
private:
SOCKET WorkerSocket;
SOCKADDR_IN EndPnt;
UINT ID;
int CBufferSize;
public:
Server(int Port, int Backlog, int BufferSize);
~Server();
__event void ClientRecieved(Client* Clientr, char * RecData);
bool Enabled;
int Port;
int Backlog;
HWND ReqhWnd;
std::map<UINT, Client*> ClientPool;
void WaitForConnections(Server*);
void WaitForData(Client*);
void InvokeClientDC(UINT);
void Startup();
void Shutdown();
};
}
#endif
服务器.cpp：
#include "Server.h"
namespace Connections
{
void Server::Startup()
{
WSADATA wsa;
WSAStartup(0x0202, &wsa);
this->WorkerSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
this->EndPnt.sin_addr.s_addr = ADDR_ANY;
this->EndPnt.sin_family = AF_INET;
this->EndPnt.sin_port = htons(this->Port);
this->Enabled = true;
this->ID = 0;
bind(this->WorkerSocket, (SOCKADDR*)&this->EndPnt, sizeof(this->EndPnt));
printf("[AsynServer]Bound..\n");
listen(this->WorkerSocket, this->Backlog);
CreateThread(NULL, NULL, &MainThread, this, NULL, NULL);
}
void Server::WaitForConnections(Server * Ser)
{
WSAEVENT Handler = WSA_INVALID_EVENT;
while(Ser->Enabled)
{
Handler = WSACreateEvent();
WSAEventSelect(Ser->WorkerSocket, Handler, FD_ACCEPT);
WaitForSingleObject(Handler, INFINITE);
SOCKET accptsock = accept(Ser->WorkerSocket, NULL, NULL);
Client * NewClient = new Client(accptsock, 255, Ser->ID++);
NewClient->Connected = true;
printf("[AsynServer]Client connected.\n");
ClientServer * OurStruct = new ClientServer();
OurStruct->Server = Ser;
OurStruct->Client = NewClient;
CreateThread(NULL, NULL, &DataThread, OurStruct, NULL, NULL);
}
}
void Server::WaitForData(Client * RClient)
{
WSAEVENT Tem = WSA_INVALID_EVENT;
Tem = WSACreateEvent();
WSAEventSelect(RClient->WorkerSocket, Tem, FD_READ);
while(RClient->Connected)
{
WaitForSingleObject(Tem, INFINITE);
RClient->RecvSize = recv(RClient->WorkerSocket, RClient->Buffer, 255, NULL);
if(RClient->RecvSize > 0)
{
RClient->Buffer[RClient->RecvSize] = '\0';
__raise this->ClientRecieved(RClient, RClient->Buffer);
Sleep(50);
}
}
return;
}
DWORD WINAPI MainThread(LPVOID lParam)
{
((Server*)lParam)->WaitForConnections((Server*)lParam);
return 0;
}
DWORD WINAPI DataThread(LPVOID lParam)
{
ClientServer * Sta = ((ClientServer*)lParam);
Sta->Server->WaitForData(Sta->Client);
return 0;
}
}
现在在创建服务器实例并创建主线程之后，我可以同时接受客户端并读取它们发送的数据，但是在两次连接后，我的 CPU 会延迟到 100% 使用率。我想我的方法不正确，所以我的问题是有人可以指出我的代码中可能存在的缺陷，或者只是为我指出一个不错的异步套接字指南，前提是我已经搜索了一个多星期没有结果（可能我的绝望阻碍了我选择正确的关键字：|）。在此先感谢并为大量代码感到抱歉，只要允许就对其进行修剪。
制造，简单但完美。