windows环境下C语言多线程实现网络编程，多人聊天室

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#include \#include #include #include #include \

#pragma comment(lib,\

#define L_MAX (255) #define C_MAX (100)

DWORD WINAPI ThreadProc( /* 线程函数 */ LPVOID lpParam );

HANDLE tThread_Client[C_MAX] = {NULL}; LNode *pHead;

int main(int argc, char* argv[]) { //初始化WSA WORD sockVersion = MAKEWORD(2,2); WSADATA wsaData; if(WSAStartup(sockVersion, &wsaData)!=0) { return 0; } //创建套接字 SOCKET slisten = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); if(slisten == INVALID_SOCKET) { printf(\ return 0; } //绑定IP和端口 sockaddr_in sin;

sin.sin_family = AF_INET; sin.sin_port = htons(8888);

sin.sin_addr.S_un.S_addr = INADDR_ANY;

if(bind(slisten, (LPSOCKADDR)&sin, sizeof(sin)) == SOCKET_ERROR) {

printf(\}

//开始监听

if(listen(slisten, C_MAX) == SOCKET_ERROR) {

printf(\ return 0; }

sockaddr_in remoteAddr;

int nAddrlen = sizeof(remoteAddr); SOCKET sClient = NULL;

SOCKET Socket_Sclient = NULL;

/* 创建一个链表存放已经连接的客户端*/ pHead = (LNode*)malloc(sizeof(LNode)); pHead->pNext = NULL; pHead->sClient = NULL;

/*循环等待客户端连接，并在连接后创建一个SOCKET和线程*/

while (true) {

int i = 0;

printf(\等待连接...\\n\

sClient = accept(slisten, (SOCKADDR *)&remoteAddr, &nAddrlen); if(sClient == INVALID_SOCKET) { printf(\ continue; } else { Socket_Sclient = sClient; add_Element(pHead,sClient); tThread_Client[i] = CreateThread(NULL, 0, ThreadProc,(LPVOID)Socket_Sclient,

0, NULL); printf(\接受到一个连接：%s \\r\\n\ i++; } } WSACleanup(); return 0; }

DWORD WINAPI ThreadProc( LPVOID lpParam ) { char Rev_Data[L_MAX] = {0}; char Send_Data[L_MAX] = {0}; //接收数据 while( strcmp(Rev_Data,\ { int ret = recv((SOCKET)lpParam, Rev_Data, L_MAX, 0); LNode *p = pHead->pNext; if(ret > 0) { Rev_Data[ret] = 0x00; //发送数据 strcpy(Send_Data,Rev_Data); if(!strcmp(Send_Data,\ { printf(\一个客户端已经断开连接!\\n\ } while (p != NULL ) { if (p->sClient != (SOCKET)lpParam) { send(p->sClient, Send_Data, strlen(Send_Data), 0); p = p->pNext; } else { p = p->pNext; } }

} } return (0UL); }

#include \#include #include #include #include \

INT32 add_Element(LNode *pHead, SOCKET sClient) { INT32 FuncFlag = 0; LNode *p = pHead; LNode *NewNode = NULL; INT32 i32I = 0; if ((NULL == pHead ) || (sClient == NULL)) { FuncFlag = -1; } else { while (p->pNext != NULL) { p = p->pNext; } NewNode = (LNode *)malloc(sizeof(LNode)); NewNode->sClient = sClient; NewNode->pNext = NULL; p->pNext = NewNode; FuncFlag = 1; return FuncFlag; } }

#include \#include #include