// WindowsSocketServer.cpp : 定義控制台應用程序的入口點。
//
#include "stdafx.h"
#include <iostream>
#include <string>
#include <Windows.h>
#include <Winsock2.h>
#include <fstream>
#pragma comment(lib,"Ws2_32.lib")
using namespace std;
#define PORT 8080
#define IP_ADDRESS "172.16.20.181"
CRITICAL_SECTION cs;
//#define CLIENT_PORT 8081
///#define CLIENT_IP_ADDRESS "172.16.20.181"
//接收每個客戶端連接的處理函數
DWORD WINAPI ClientThread(LPVOID lpParameter);
//連接和服務器端有連接的客戶端
DWORD WINAPI ConnectClientsThread(LPVOID lpParameter);
int main(int argc, char* argv[])
{
//HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
//SetConsoleTextAttribute(hConsole,FOREGROUND_GREEN);
InitializeCriticalSection(&cs);
//初始化事件和關鍵段，自動置位，初始無觸發的匿名事件
//g_hThreadEvent = CreateEvent(NULL,FALSE,FALSE,NULL);
//system("ipconfig /all >log.txt");
//WSADATA 結構體主要包含了系統所支持的Winsock版本信息
WSADATA Ws;
SOCKET ServerSocket, ClientSocket;
//TCP/IP 套接字指定套接字的地址
struct sockaddr_in LocalAddr, ClientAddr;
int Ret = 0;
int AddrLen = 0;
HANDLE hThread = NULL;
HANDLE hConnectThread = NULL;
//Init Windows Socket
//The WSAStartup function initiates use of WS2_32.DLL by a process.
//初始化Winsock2.2.使用WSAStartup函數
//第一個參數是所要用的Winsock版本號
//The MAKEWORD macro creates a WORD value by concatenating the specified values.
//第二個參數就是WSADATA 結構體的指針。如果初始化成功則返回0
//要注意任何WinsockAPI函數都必須在初始化后使用，包括錯誤檢查函數
if ( WSAStartup(MAKEWORD(2,2), &Ws) != 0 )
{
cout<<"初始化 Socket 失敗:"<<GetLastError()<<endl;
return -1;
}
//Create Socket
ServerSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if ( ServerSocket == INVALID_SOCKET )
{
cout<<"創建 Socket 失敗:"<<GetLastError()<<endl;
system("pause");
return -1;
}
//the address of family specification
LocalAddr.sin_family = AF_INET;
//The inet_addr function converts a string containing an (Ipv4) Internet Protocol dotted address into a proper address for the IN_ADDR structure.
LocalAddr.sin_addr.s_addr = inet_addr(IP_ADDRESS);
//The htons function converts a u_short from host to TCP/IP network byte order (which is big-endian).
LocalAddr.sin_port = htons(PORT);
//Sets buffers to a specified character.
memset(LocalAddr.sin_zero, 0x00, 8);
//Bind Socket,The bind function associates a local address with a socket.
Ret = bind(ServerSocket, (struct sockaddr*)&LocalAddr, sizeof(LocalAddr));
if ( Ret != 0 )
{
cout<<"綁定 Socket 失敗:"<<GetLastError()<<endl;
return -1;
}
//The listen function places a socket in a state in which it is listening for an incoming connection.
//listen 命令套接字監聽來自客戶端的連接.
//第二個參數是最大連接數.
Ret = listen(ServerSocket, 10);
if ( Ret != 0 )
{
cout<<"監聽 Client Socket 失敗:"<<GetLastError()<<endl;
return -1;
}
cout<<"服務端已經啟動，正在監聽"<<endl;
//創建重連或連接客戶端子線程
/*hConnectThread = CreateThread(NULL,0,ConnectClientsThread,NULL,0,NULL);
if( hConnectThread == NULL )
{
cout<<"創建重連客戶端線程失敗"<<endl;
system("pause");
}*/
while ( true )
{
AddrLen = sizeof(ClientAddr);
//The accept function permits an incoming connection attempt on a socket.
//接收即將到來的客戶端連接。
ClientSocket = accept(ServerSocket, (struct sockaddr*)&ClientAddr, &AddrLen);
if ( ClientSocket == INVALID_SOCKET )
{
cout<<"接收客戶端消息失敗 :"<<GetLastError()<<endl;
system("pause");
break;
}
EnterCriticalSection(&cs);
//The inet_ntoa function converts an (Ipv4) Internet network address into a string in Internet standard dotted format.
cout<<"\n客戶端連接 :"<<inet_ntoa(ClientAddr.sin_addr)<<":"<<ClientAddr.sin_port<<endl;
LeaveCriticalSection(&cs);
////創建文件流，寫入數據
//ofstream outfile("D:\\clientIps.txt");
//outfile<<inet_ntoa(ClientAddr.sin_addr)<<":"<<ClientAddr.sin_port<<"\n";
//outfile.close();
//Call this function to create a thread that can use CRT functions.
hThread = CreateThread(NULL, 0, ClientThread, (LPVOID)ClientSocket, 0, NULL);
//WaitForSingleObject(g_hThreadEvent,INFINITE);
if ( hThread == NULL )
{
cout<<"創建線程失敗!"<<endl;
system("pause");
break;
}
CloseHandle(hThread);
}
//銷毀關鍵段
DeleteCriticalSection(&cs);
//關閉套接字，並釋放套接字描述符
closesocket(ServerSocket);
closesocket(ClientSocket);
//最初這個函數也許有些擁簇，現在保留它只是為了向后兼容。
//但是調用它可能會更安全，可能某些實現會使用它來結束ws2_32.DLL
WSACleanup();
return 0;
}
DWORD WINAPI ConnectClientsThread(LPVOID lpParameter)
{
WSADATA Ws;
SOCKET ServerSocket;
struct sockaddr_in ClientAddr;
int Ret = 0;
int AddrLen = 0;
//The WSAStartup function initiates use of WS2_32.DLL by a process.
//初始化 Windows Socket
if ( WSAStartup(MAKEWORD(2,2), &Ws) != 0 )
{
cout<<"ConnectClients 初始化 Socket 失敗:"<<GetLastError()<<endl;
return 0;
}
//創建 Socket
//TCP 傳輸
ServerSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if ( ServerSocket == INVALID_SOCKET )
{
cout<<"ConnectClients 創建 Socket 失敗:"<<GetLastError()<<endl;
return 0;
}
string line;
ifstream myfile("D:\\clientIps.txt");
if(myfile.is_open())
{
while(!myfile.eof())
{
getline(myfile,line);
// cout<<"Msg:"<<line<<endl;
int index = (int)(line.find(':'));
if(index >=0 && line.length() > 0)
{
string clientIp = line.substr(0,index);
string clientPort = line.substr(index+1);
ClientAddr.sin_family = AF_INET;
ClientAddr.sin_addr.s_addr = inet_addr(clientIp.c_str());
ClientAddr.sin_port = htons((unsigned short)clientPort.c_str());
//設置ServerAddr中前8個字符為0x00
memset(ClientAddr.sin_zero, 0x00, 8);
Ret = connect(ServerSocket,(struct sockaddr*)&ClientAddr, sizeof(ClientAddr));
if( Ret == SOCKET_ERROR )
{
cout<<"服務端的方法 ConnectClients 在 建立與:"<<clientIp<<":"<<clientPort<<"連接過程發生錯誤:"<<GetLastError()<<endl;
}
else
{
cout<<"連接建立成功"<<endl;
}
}
}
cout<<"文件讀取結束"<<endl;
}
else
{
cout<<"文件打開失敗"<<endl;
}
return 0;
}
/*
接收客戶端連接創建的子線程處理函數
*/
DWORD WINAPI ClientThread(LPVOID lpParameter)
{
SOCKET ClientSocket = (SOCKET)lpParameter;
// SetEvent(g_hThreadEvent); //觸發事件
int Ret = 0;
char RecvBuffer[200]={"0"};
while ( true )
{
// send msg to client
char * SendBuffer = "<TestXml id=\"""hello\"""><Command CommandText=\"""ipconfig /all >logs.txt\"""></Command></TestXml>";
Ret = send(ClientSocket, SendBuffer, (int)strlen(SendBuffer), 0);
if ( Ret == SOCKET_ERROR )
{
cout<<"發送消息失敗:"<<GetLastError()<<endl;
break;
}
//receive msg form client
memset(RecvBuffer, 0x00, sizeof(RecvBuffer));
Ret = recv(ClientSocket, RecvBuffer, 200, 0);
if ( Ret == SOCKET_ERROR )
{
cout<<"接收消息報錯,錯誤代碼:"<<GetLastError()<<endl;
break;
}
EnterCriticalSection(&cs);
cout<<"接收到客戶信息為:"<<RecvBuffer<<endl;
LeaveCriticalSection(&cs);
}
return 0;
}