{"id":105,"date":"2009-07-10T18:51:44","date_gmt":"2009-07-10T18:51:44","guid":{"rendered":""},"modified":"2011-11-18T17:00:18","modified_gmt":"2011-11-18T09:00:18","slug":"105","status":"publish","type":"post","link":"http:\/\/zerobox.org\/notes\/105.html","title":{"rendered":"\u7f51\u7edc\u548c\u9ed1\u5ba2\u7f16\u7a0b\u57fa\u672c\u77e5\u8bc6( \u4e09)"},"content":{"rendered":"

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u7b2c\u56db\u8282 \u5173\u4e8e\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7f16\u7a0b<\/span><\/strong><\/p>\n

\u5728\u7f51\u7edc\u7f16\u7a0b\u4e2d,\u6700\u5e38\u7528\u548c\u6700\u57fa\u7840\u7684\u5c31\u662fWINSOCK. \u73b0\u5728\u6211\u4eec\u8ba8\u8bbaWINDOWS\u4e0b\u7684SOCKET\u7f16\u7a0b.<\/p>\n

\u5927\u51e1\u5728WIN32\u5e73\u53f0\u4e0a\u7684WINSOCK\u7f16\u7a0b\u90fd\u8981\u7ecf\u8fc7\u4e0b\u5217\u6b65\u9aa4:
\n\u5b9a\u4e49\u53d8\u91cf->\u83b7\u5f97WINDOCK\u7248\u672c->\u52a0\u8f7dWINSOCK\u5e93->\u521d\u59cb\u5316->\u521b\u5efa\u5957\u63a5\u5b57->\u8bbe\u7f6e\u5957\u63a5\u5b57\u9009\u9879->\u5173\u95ed\u5957\u63a5\u5b57->\u5378\u8f7dWINSOCK\u5e93->\u91ca\u653e\u8d44\u6e90<\/p>\n

\u4e0b\u9762\u4ecb\u7ecdWINSOCK C\/S\u7684\u5efa\u7acb\u8fc7\u7a0b:<\/p>\n

\u670d\u52a1\u5668\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5ba2\u6237\u7aef
\n________________________________________________
\n1\u00a0 \u521d\u59cb\u5316WSA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0 \u521d\u59cb\u5316WSA
\n____________________________________________________
\n2\u00a0 \u5efa\u7acb\u4e00\u4e2aSOCKET\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2\u00a0 \u5efa\u7acb\u4e00\u4e2aSOCKET
\n_____________________________________________________
\n3\u00a0 \u7ed1\u5b9aSOCKET\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3\u00a0 \u8fde\u63a5\u5230\u670d\u52a1\u5668
\n_____________________________________________________
\n4\u00a0 \u5728\u6307\u5b9a\u7684\u7aef\u53e3\u76d1\u542c\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4\u00a0 \u53d1\u9001\u548c\u63a5\u53d7\u6570\u636e
\n_____________________________________________________
\n5\u00a0 \u63a5\u53d7\u4e00\u4e2a\u8fde\u63a5\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5\u00a0\u00a0 \u65ad\u5f00\u8fde\u63a5
\n______________________________________________________-
\n6\u00a0 \u53d1\u9001\u548c\u63a5\u53d7\u6570\u636e
\n___________________________________________________
\n7\u00a0 \u65ad\u5f00\u8fde\u63a5
\n__________________________________________________<\/p>\n

\u5927\u5bb6\u6ce8\u610f,\u5728VC\u4e2d\u8fdb\u884cWINSOCK\u7f16\u7a0b\u65f6,\u9700\u8981\u5f15\u5165\u5982\u4e0b\u4e24\u4e2a\u5e93\u6587\u4ef6:WINSOCK.H(\u8fd9\u4e2a\u662fWINSOCK API\u7684\u5934\u6587\u4ef6,WIN2K\u4ee5\u4e0a\u652f\u6301WINSOCK2,\u6240\u4ee5
\n\u53ef\u4ee5\u7528WINSOCK2.H);Ws2_32.lib(WINSOCK API\u8fde\u63a5\u5e93\u6587\u4ef6).
\n\u4f7f\u7528\u65b9\u5f0f\u5982\u4e0b:
\n#include <winsock.h>
\n#pragma comment(lib,”ws2_32.lib”)<\/p>\n

\u4e0b\u9762\u6211\u4eec\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u6f14\u793a\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u5de5\u4f5c\u6d41\u7a0b:<\/p>\n

\u9996\u5148,\u5efa\u7acb\u4e00\u4e2aWSADATA\u7ed3\u6784,\u901a\u5e38\u7528wsaData
\nWSADATA wsaData;<\/p>\n

\u7136\u540e,\u8c03\u7528WSAStartup\u51fd\u6570,\u8fd9\u4e2a\u51fd\u6570\u662f\u8fde\u63a5\u5e94\u7528\u7a0b\u5e8f\u4e0ewinsock.dll\u7684\u7b2c\u4e00\u4e2a\u8c03\u7528.\u5176\u4e2d,\u7b2c\u4e00\u4e2a\u53c2\u6570\u662fWINSOCK \u7248\u672c\u53f7,\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u6307\u5411
\nWSADATA\u7684\u6307\u9488.\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2aINT\u578b\u503c,\u901a\u8fc7\u68c0\u67e5\u8fd9\u4e2a\u503c\u6765\u786e\u5b9a\u521d\u59cb\u5316\u662f\u5426\u6210\u529f.\u8c03\u7528\u683c\u5f0f\u5982\u4e0b:WSAStartup(MAKEWORD(2,2),&wsaData),\u5176\u4e2d
\nMAKEWORD(2,2)\u8868\u793a\u4f7f\u7528WINSOCK2\u7248\u672c.wsaData\u7528\u6765\u5b58\u50a8\u7cfb\u7edf\u4f20\u56de\u7684\u5173\u4e8eWINSOCK\u7684\u8d44\u6599.<\/p>\n

if(iResuit=WSAStartup(MAKEWORD(2,2),&wsaData)!=0)
\n{
\nprintf(“WSAStartup failed:%d”,GetLastError());\u00a0 \/\/\u8fd4\u56de\u503c\u4e0d\u7b49\u4e0e0,\u8bf4\u660e\u521d\u59cb\u5316\u5931\u8d25
\nExitProcess();\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u9000\u51fa\u7a0b\u5e8f
\n}<\/p>\n

\u5e94\u7528\u7a0b\u5e8f\u5728\u5b8c\u6210\u5bf9\u8bf7\u6c42\u7684SOCKET\u5e93\u4f7f\u7528\u540e,\u8981\u8c03\u7528WSACleanup\u51fd\u6570\u6765\u63a5\u89e6SOCKET\u5e93\u7684\u7ed1\u5b9a,\u5e76\u4e14\u91ca\u653e\u8d44\u6e90.<\/p>\n

\u6ce8\u610fWSAStartup\u521d\u59cb\u5316\u540e,\u5fc5\u987b\u5efa\u7acb\u4e00\u4e2aSOCKET\u7ed3\u6784\u6765\u4fdd\u5b58SOCKET\u53e5\u67c4.<\/p>\n

\u4e0b\u9762\u6211\u4eec\u5efa\u7acb\u4e00\u4e2aSOCKET.<\/p>\n

\u9996\u5148\u6211\u4eec\u5efa\u7acb\u4e00\u4e2am_socket\u7684SOCKET\u53e5\u67c4,\u63a5\u7740\u8c03\u7528socket()\u51fd\u6570,\u51fd\u6570\u8fd4\u56de\u503c\u4fdd\u5b58\u5728m_socket\u4e2d.\u6211\u4eec\u4f7f\u7528AF_INFE,SOCK_STREAM,IPPROTO_TCP
\n\u4e09\u4e2a\u53c2\u6570.\u7b2c\u4e00\u4e2a\u8868\u793a\u5730\u5740\u65cf,AF_INFE\u8868\u793aTCP\/IP\u65cf,\u7b2c\u4e8c\u4e2a\u8868\u793a\u670d\u52a1\u7c7b\u578b,\u5728WINSOCK2\u4e2d,SOCKET\u652f\u6301\u4ee5\u4e0b\u4e09\u79cd\u7c7b\u578b;<\/p>\n

SOCK_STREAM \u6d41\u5f0f\u5957\u63a5\u5b57
\nSOCK_DGRAM\u00a0 \u6570\u636e\u62a5\u5957\u63a5\u5b57
\nSOCK_RAW\u00a0\u00a0\u00a0 \u539f\u59cb\u5957\u63a5\u5b57<\/p>\n

\u7b2c\u4e09\u4e2a\u53c2\u6570\u8868\u793a\u534f\u8bae:<\/p>\n

IPPROTO_UDP\u00a0 UDP\u534f\u8bae \u7528\u4e8e\u65e0\u8fde\u63a5\u6570\u636e\u62a5\u5957\u63a5\u5b57
\nIPPROTO_TCP\u00a0 TCP\u534f\u8bae \u7528\u4e8e\u6d41\u5f0f\u5957\u63a5\u5b57
\nIPPROTO_ICMP ICMP\u534f\u8bae\u7528\u4e8e\u539f\u59cb\u5957\u63a5\u5b57<\/p>\n

m_socket=socket(AF_INFE,SOCK_STREAM,IPPROTO_TCP);\u00a0\u00a0\u00a0 \/\/\u521b\u5efaTCP\u534f\u8bae<\/p>\n

\u4ee5\u4e0b\u4ee3\u7801\u7528\u4e8e\u68c0\u67e5\u8fd4\u56de\u503c\u662f\u5426\u6709\u9519\u8bef:<\/p>\n

if(m_scoket==INVALID_SOCKET)
\n{
\nprinrf(“Error at socket():%d
\n“,GetLastError());
\nWSACleanup();\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u91ca\u653e\u8d44\u6e90
\nreturn;
\n}
\n\u8bf4\u660e,\u5982\u679csocket()\u8c03\u7528\u5931\u8d25,\u4ed6\u5c06\u8fd4\u56deINVALID_SOCKET.<\/p>\n

\u4e3a\u4e86\u670d\u52a1\u5668\u80fd\u63a5\u53d7\u4e00\u4e2a\u8fde\u63a5,\u4ed6\u5fc5\u987b\u7ed1\u5b9a\u4e00\u4e2a\u7f51\u7edc\u5730\u5740,\u4e0b\u9762\u7684\u4ee3\u7801\u5c55\u793a\u5982\u4f55\u7ed1\u5b9a\u4e00\u4e2a\u5df2\u7ecf\u521d\u59cb\u5316\u7684IP\u548c\u7aef\u53e3\u7684Socket.\u5ba2\u6237\u7aef\u7a0b\u5e8f\u7528\u8fd9\u4e2a
\nIP\u5730\u5740\u548c\u7aef\u53e3\u6765\u8fde\u63a5\u670d\u52a1\u5668.<\/p>\n

sockaddr_in service;
\nservice.sin_family=AF_INET;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/INTERNET\u5730\u5740\u65cf
\nservice.sin_addr.s_addr=inet_addr(“127.0.0.1”);\u00a0\u00a0 \/\/\u5c06\u8981\u7ed1\u5b9a\u7684\u672c\u5730IP\u5730\u5740
\nservice.sin_port=htons(27015);\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/27015\u5c06\u8981\u7ed1\u5b9a\u7684\u7aef\u53e3<\/p>\n

\u4e0b\u9762\u6211\u4eec\u8c03\u7528BIND\u51fd\u6570,\u628aSOCKET\u548cSOCKADDR\u4ee5\u53c2\u6570\u7684\u5f62\u5f0f\u4f20\u5165,\u5e76\u68c0\u67e5\u9519\u8bef.<\/p>\n

if(bind(m_socket,(SOCKADDR*)&SERVICE,sizeof(service))==SOCKET_ERROR)
\n{
\nprintf(“bind() failed.
\n“);
\nclosesocket(m_socket);
\nreturn;
\n}<\/p>\n

\u5f53\u7ed1\u5b9a\u5b8c\u6210\u540e,\u670d\u52a1\u5668\u5fc5\u987b\u5efa\u7acb\u4e00\u4e2a\u76d1\u542c\u961f\u5217,\u4ee5\u63a5\u53d7\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42.listen()\u4f7f\u670d\u52a1\u5668\u8fdb\u5165\u76d1\u542c\u72b6\u6001,\u8be5\u51fd\u6570\u8c03\u7528\u6210\u529f\u8fd4\u56de0,\u5426\u5219\u8fd4\u56de
\nSOCKET_ERROR.\u4ee3\u7801\u5982\u4e0b:<\/p>\n

if(listen(m_socket,1)==SOCKET-ERROR)
\n{
\nprintf(“error listening on socket.
\n“);
\n}<\/p>\n

\u670d\u52a1\u5668\u7aef\u8c03\u7528\u5b8cLISTEN()\u540e,\u5982\u679c\u6b64\u65f6\u5ba2\u6237\u7aef\u8c03\u7528CONNECT()\u51fd\u6570,\u670d\u52a1\u5668\u7aef\u5fc5\u987b\u5728\u8c03\u7528ACCEPT().\u8fd9\u6837\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u624d\u7b97\u6b63\u5f0f\u5b8c\u6210\u901a\u4fe1\u7a0b\u5e8f\u7684
\n\u8fde\u63a5\u52a8\u4f5c.<\/p>\n

\u4e00\u65e6\u670d\u52a1\u5668\u5f00\u59cb\u76d1\u542c,\u6211\u4eec\u5c31\u8981\u6307\u5b9a\u4e00\u4e2a\u53e5\u67c4\u6765\u8868\u793a\u5229\u7528ACCEPT()\u51fd\u6570\u63a5\u53d7\u7684\u8fde\u63a5,\u8fd9\u4e2a\u53e5\u67c4\u662f\u7528\u6765\u53d1\u9001\u548c\u63a5\u53d7\u6570\u636e\u7684\u8868\u793a.\u5efa\u7acb\u4e00\u4e2aSOCKET\u53e5\u67c4
\nSocket AcceptSocket \u7136\u540e\u5229\u7528\u65e0\u9650\u5faa\u73af\u6765\u68c0\u6d4b\u662f\u5426\u6709\u8fde\u63a5\u4f20\u5165.\u4e00\u4f46\u6709\u8fde\u63a5\u8bf7\u6c42,ACCEPT()\u51fd\u6570\u5c31\u4f1a\u88ab\u8c03\u7528,\u5e76\u4e14\u8fd4\u56de\u8fd9\u6b21\u8fde\u63a5\u7684\u53e5\u67c4.<\/p>\n

printf(“waitong for a client to connect…
\n“);
\nwhile(1)
\n{
\nAcceptSocket=SOCKET_ERROR;
\nwhile(AcceptSocket==SOCKET_ERROR)
\n{
\nAcceptSocket=accept(m_socket,NULL,NULL);
\n}
\n}<\/p>\n

\u4e0b\u9762\u770b\u5ba2\u6237\u7aef\u7aef\u4ee3\u7801:<\/p>\n

sockaddr_in clientService;
\nclientService.sin_family=AF_INET;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/INTERNET\u5730\u5740\u65cf
\nclientService.sin_addr.s_addr=inet_addr(“127.0.0.1”);\u00a0\u00a0 \/\/\u5c06\u8981\u7ed1\u5b9a\u7684\u672c\u5730IP\u5730\u5740
\nclientService.sin_port=htons(27015);\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/27015\u5c06\u8981\u7ed1\u5b9a\u7684\u7aef\u53e3<\/p>\n

\u4e0b\u9762\u8c03\u7528CONNECT()\u51fd\u6570:<\/p>\n

if ( connect( m_socket, (SOCKADDR*) &clientService, sizeof(clientService) ) == SOCKET_ERROR)
\n{
\nprintf( “Failed to connect.
\n” );
\nWSACleanup();
\nreturn;
\n}\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u5982\u679c\u8c03\u7528\u5931\u8d25\u6e05\u7406\u9000\u51fa
\n\/\/\u8c03\u7528\u6210\u529f\u7ee7\u7eed\u8bfb\u5199\u6570\u636e<\/p>\n

_________________________________________________________________________________________________
\n\u5230\u8fd9\u91cc,\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u57fa\u672c\u6d41\u7a0b\u4ecb\u7ecd\u5b8c\u6bd5,\u4e0b\u9762\u6211\u4eec\u4ecb\u7ecd\u6570\u636e\u4ea4\u6362.<\/p>\n

send():
\nint send
\n{
\nSOCKET s,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u6307\u5b9a\u53d1\u9001\u7aef\u5957\u63a5\u5b57
\nconst char FAR?*buf,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u6307\u660e\u4e00\u4e2a\u5b58\u653e\u5e94\u7528\u7a0b\u5e8f\u8981\u53d1\u9001\u7684\u6570\u636e\u7684\u7f13\u51b2\u533a
\nint len,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u5b9e\u9645\u8981\u53d1\u9001\u7684\u6570\u636e\u5b57\u8282\u6570
\nint flags\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u4e00\u822c\u8bbe\u7f6e\u4e3a0
\n};
\nC\/S\u90fd\u7528SEND\u51fd\u6570\u5411TCP\u8fde\u63a5\u7684\u53e6\u4e00\u7aef\u53d1\u9001\u6570\u636e.<\/p>\n

recv():
\nint recv
\n{
\nSOCKET s,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u6307\u5b9a\u53d1\u9001\u7aef\u5957\u63a5\u5b57
\nchar FAR?*buf,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u6307\u660e\u4e00\u4e2a\u7f13\u51b2\u533a \u5b58\u653eRECC\u53d7\u5230\u7684\u6570\u636e
\nint len,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u6307\u660eBUF\u7684\u957f\u5ea6
\nint flags\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u4e00\u822c\u8bbe\u7f6e\u4e3a0<\/p>\n

};
\nC\/S\u90fd\u4f7f\u7528RECV\u51fd\u6570\u4eceTCP\u8fde\u63a5\u7684\u53e6\u4e00\u7aef\u63a5\u53d7\u6570\u636e<\/p>\n

_______________________________________________________________________________________________<\/p>\n

\u4e0b\u9762\u5c06\u5b8c\u6574\u7684\u7a0b\u5e8f\u4ee3\u7801\u63d0\u4f9b\u5982\u4e0b,\u5927\u5bb6\u53ef\u76f4\u63a5\u7f16\u8bd1\u8fd0\u884c<\/p>\n

\u9996\u5148\u770b\u5ba2\u6237\u7aef\u7684\u4ee3\u7801:<\/p>\n

#include <stdio.h>
\n#include <winsock2.h>
\n#pragma comment(lib, “ws2_32.lib”)
\nvoid main() {<\/p>\n

\/\/ \u521d\u59cb\u5316 Winsock.
\nWSADATA wsaData;
\nint iResult = WSAStartup( MAKEWORD(2,2), &wsaData );
\nif ( iResult != NO_ERROR )
\nprintf(“Error at WSAStartup()
\n“);<\/p>\n

\/\/ \u5efa\u7acbsocket socket.
\nSOCKET client;
\nclient = socket( AF_INET, SOCK_STREAM, IPPROTO_TCP );<\/p>\n

if ( client == INVALID_SOCKET ) {
\nprintf( “Error at socket(): %ld
\n“, WSAGetLastError() );
\nWSACleanup();
\nreturn;
\n}<\/p>\n

\/\/ \u8fde\u63a5\u5230\u670d\u52a1\u5668.
\nsockaddr_in clientService;<\/p>\n

clientService.sin_family = AF_INET;
\nclientService.sin_addr.s_addr = inet_addr( “127.0.0.1” );
\nclientService.sin_port = htons( 27015 );<\/p>\n

if ( connect( client, (SOCKADDR*) &clientService, sizeof(clientService) ) == SOCKET_ERROR) {
\nprintf( “Failed to connect.
\n” );
\nWSACleanup();
\nreturn;
\n}<\/p>\n

\/\/ \u53d1\u9001\u5e76\u63a5\u6536\u6570\u636e.
\nint bytesSent;
\nint bytesRecv = SOCKET_ERROR;
\nchar sendbuf[32] = “Client: Sending data.”;
\nchar recvbuf[32] = “”;<\/p>\n

bytesSent = send( client, sendbuf, strlen(sendbuf), 0 );
\nprintf( “Bytes Sent: %ld
\n“, bytesSent );<\/p>\n

while( bytesRecv == SOCKET_ERROR ) {
\nbytesRecv = recv( client, recvbuf, 32, 0 );
\nif ( bytesRecv == 0 || bytesRecv == WSAECONNRESET ) {
\nprintf( “Connection Closed.
\n“);
\nbreak;
\n}
\nif (bytesRecv < 0)
\nreturn;
\nprintf( “Bytes Recv: %ld
\n“, bytesRecv );
\n}<\/p>\n

return;
\n}<\/p>\n

\u4e0b\u9762\u662f\u670d\u52a1\u5668\u7aef\u4ee3\u7801:<\/p>\n

#include <stdio.h>
\n#include <winsock2.h>
\n#pragma comment(lib, “ws2_32.lib”)
\nvoid main() {<\/p>\n

\/\/ \u521d\u59cb\u5316
\nWSADATA wsaData;
\nint iResult = WSAStartup( MAKEWORD(2,2), &wsaData );
\nif ( iResult != NO_ERROR )
\nprintf(“Error at WSAStartup()
\n“);<\/p>\n

\/\/ \u5efa\u7acbsocket
\nSOCKET server;
\nserver = socket( AF_INET, SOCK_STREAM, IPPROTO_TCP );<\/p>\n

if ( server == INVALID_SOCKET ) {
\nprintf( “Error at socket(): %ld
\n“, WSAGetLastError() );
\nWSACleanup();
\nreturn;
\n}<\/p>\n

\/\/ \u7ed1\u5b9asocket
\nsockaddr_in service;<\/p>\n

service.sin_family = AF_INET;
\nservice.sin_addr.s_addr = inet_addr( “127.0.0.1” );
\nservice.sin_port = htons( 27015 );<\/p>\n

if ( bind( server, (SOCKADDR*) &service, sizeof(service) ) == SOCKET_ERROR ) {
\nprintf( “bind() failed.
\n” );
\nclosesocket(server);
\nreturn;
\n}<\/p>\n

\/\/ \u76d1\u542c socket
\nif ( listen( server, 1 ) == SOCKET_ERROR )
\nprintf( “Error listening on socket.
\n“);<\/p>\n

\/\/ \u63a5\u53d7\u8fde\u63a5
\nSOCKET AcceptSocket;<\/p>\n

printf( “Waiting for a client to connect…
\n” );
\nwhile (1) {
\nAcceptSocket = SOCKET_ERROR;
\nwhile ( AcceptSocket == SOCKET_ERROR ) {
\nAcceptSocket = accept( server, NULL, NULL );
\n}
\nprintf( “Client Connected.
\n“);
\nserver = AcceptSocket;
\nbreak;
\n}<\/p>\n

\/\/ \u53d1\u9001\u63a5\u53d7\u6570\u636e
\nint bytesSent;
\nint bytesRecv = SOCKET_ERROR;
\nchar sendbuf[32] = “Server: Sending Data.”;
\nchar recvbuf[32] = “”;<\/p>\n

bytesRecv = recv( server, recvbuf, 32, 0 );
\nprintf( “Bytes Recv: %ld
\n“, bytesRecv );<\/p>\n

bytesSent = send( server, sendbuf, strlen(sendbuf), 0 );
\nprintf( “Bytes Sent: %ld
\n“, bytesSent );<\/p>\n

return;
\n}
\n\u672c\u7a0b\u5e8f\u4ec5\u4ec5\u63cf\u8ff0\u4e86\u540c\u6b65\u7684\u60c5\u51b5!<\/p>\n

\u7b2c\u4e94\u8282 \u591a\u7ebf\u7a0b\u7f16\u7a0b\u4ecb\u7ecd<\/p>\n

\u5bf9\u4e8e\u591a\u7ebf\u7a0b\u7684\u57fa\u672c\u6982\u5ff5,\u6211\u4e0d\u5728\u8d58\u8ff0,\u662f\u4e2a\u53ea\u8981\u5b66\u4e60\u8fc7\u4e00\u95e8\u7f16\u7a0b\u8bed\u8a00\u5c31\u5e94\u8be5\u591a\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u6709\u4e2a\u57fa\u672c\u7684\u4e86\u89e3.\u8fd9\u91cc\u91cd\u70b9\u4ecb\u7ecd\u4e00\u4e0b\u5982\u4f55\u5b9e\u73b0\u591a\u7ebf\u7a0b.<\/p>\n

\u901a\u5e38\u4e00\u4e2a\u7a0b\u5e8f\u7684\u4e3b\u7ebf\u7a0b\u6709\u64cd\u4f5c\u7cfb\u7edf\u521b\u5efa,\u5982\u679c\u60f3\u8ba9\u5176\u521b\u5efa\u989d\u5916\u7684\u7ebf\u7a0b,\u53ef\u4ee5\u8c03\u7528CreateThread()\u51fd\u6570\u6765\u5b8c\u6210.\u51fd\u6570\u539f\u5f62\u5982\u4e0b:<\/p>\n

HANDLE CreateThread()
\n{
\nLPSECURITY_ATTRIBUTES LPThreadAttributes,\u00a0 \/\/\u6307\u5411SECURITY_ATTRIBUTES\u7684\u6307\u9488
\nSIZE_T dwStackSize,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u8868\u793a\u7ebf\u7a0b\u4e3a\u81ea\u5df1\u6240\u7528\u5806\u6808\u5206\u914d\u7684\u5730\u5740\u7a7a\u95f4\u7684\u5927\u5c0f \u7cfb\u7edf\u7f3a\u7701\u503c\u4e3a0
\nLPTHREAD_START-TOUTINE lpStartAddress,\u00a0\u00a0\u00a0\u00a0 \/\/\u8868\u793a\u65b0\u7ebf\u7a0b\u5f00\u59cb\u6267\u884c\u65f6\u4ee3\u7801\u6240\u5728\u51fd\u6570\u7684\u5730\u5740 \u5373\u7ebf\u7a0b\u51fd\u6570\u540d
\nLPVOID lpParameter,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u662f\u4f20\u5165\u7ebf\u7a0b\u51fd\u6570\u7684\u53c2\u6570
\nDWORD dwCreationFlags,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u6307\u5b9a\u63a7\u5236\u7ebf\u7a0b\u521b\u5efa\u7684\u9644\u52a0\u6807\u5fd7 \u53d60\u7ebf\u7a0b\u7acb\u5373\u6267\u884c \u53d6CREATE_SUSPENDED\u7ebf\u7a0b\u6302\u8d77
\nLPDWORD lpThreadld\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u662f\u4e2aDWORD\u7c7b\u578b\u7684\u5730\u5740,\u8fd4\u56de\u8d4b\u7ed9\u8be5\u65b0\u7ebf\u7a0b\u7684ID
\n}<\/p>\n

\u7ebf\u7a0b\u51fd\u6570lpParameter\u5fc5\u987b\u6709\u4ee5\u4e0b\u539f\u5f62:<\/p>\n

DWORD WINAPI XXXThreadFun(LPVOID lpParameter)
\n{
\nreturn(0);
\n}<\/p>\n

________________________________________________________________________________________________
\n\u4e0b\u9762\u6211\u4eec\u6765\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b:<\/p>\n

#include <windows.h>
\n#include <stdio.h>
\nDWORD WINAPI ThreadFunc( LPVOID lpParam )\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u7ebf\u7a0b\u51fd\u6570\uff0c\u8ddf\u666e\u901a\u7684\u51fd\u6570\u6ca1\u4ec0\u4e48\u4e24\u6837
\n{
\nprintf( “Parameter = %d.”, *(DWORD*)lpParam );
\nreturn 0;
\n}<\/p>\n

VOID main( VOID )
\n{
\nDWORD dwThreadId, dwThrdParam = 1;
\nHANDLE hThread;
\nhThread = CreateThread( NULL,0,ThreadFunc,&dwThrdParam, 0,&dwThreadId);
\nif (hThread == NULL)
\n{
\nprintf( “CreateThread failed (%d)
\n“, GetLastError() );
\n}
\nelse
\n{
\n_getch();
\nCloseHandle( hThread );
\n}
\n}<\/p>\n

\u5173\u4e8e\u7ebf\u7a0b\u540c\u6b65\u7684\u95ee\u9898,\u8fd9\u91cc\u5c31\u4e0d\u518d\u8bb2\u89e3,\u8bf7\u5927\u5bb6\u81ea\u5df1\u67e5\u9605\u8d44\u6599,\u4e0d\u67e5\u9605\u4ee5\u540e\u53ef\u80fd\u4f1a\u6709\u56f0\u96be\u554a.\u57f9\u517b\u4e00\u4e0b\u5404\u4f4d\u7684\u81ea\u5df1\u52a8\u624b\u80fd\u529b.<\/p>\n","protected":false},"excerpt":{"rendered":"