{"id":710,"date":"2019-05-17T14:52:36","date_gmt":"2019-05-17T05:52:36","guid":{"rendered":"https:\/\/www.oji-koji.com\/?p=710"},"modified":"2021-07-28T10:42:36","modified_gmt":"2021-07-28T01:42:36","slug":"%e5%88%9d%e3%82%81%e3%81%a6%e3%81%aetcp-ip%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%a0simpleserverwindows%e7%89%88","status":"publish","type":"post","link":"https:\/\/www.oji-koji.com\/?p=710","title":{"rendered":"\u521d\u3081\u3066\u306eTCP\/IP\u30d7\u30ed\u30b0\u30e9\u30e0SimpleServer(Windows\u7248)2019\/05\/23\u66f4\u65b0"},"content":{"rendered":"\n

\u300c\u30d5\u30a1\u30a4\u30eb\u300d\u2192\u300c\u65b0\u898f\u4f5c\u6210\u300d\u2192\u300cVisualC++\u300d\u2192\u300c\u7a7a\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u300d
\u300c\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3059\u308b\u300d\u306e\u30c1\u30a7\u30c3\u30af\u3092\u5916\u3057\u307e\u3059\u3002
\u300c\u5834\u6240\u300d\u306f\u5404\u81ea\u304c\u8aad\u307f\u66f8\u304d\u3067\u304d\u308b\u30d5\u30a9\u30eb\u30c0\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002
\u300c\u540d\u524d\u300d\u306fSimpleServer\u3068\u3057\u307e\u3059\u3002
\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u2192\u65e2\u5b58\u306e\u9805\u76ee\u306e\u8ffd\u52a0\u3092\u9078\u3073stdThread.cpp, stdThread.h<\/a>\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002
\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u2192\u65b0\u898f\u306e\u9805\u76ee\u306e\u8ffd\u52a0\u3092\u9078\u3073SimpleServer.cpp\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002
\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u2192\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u69cb\u6210\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u6587\u5b57\u30bb\u30c3\u30c8\u304c\u300c\u30de\u30eb\u30c1 \u30d0\u30a4\u30c8\u6587\u5b57\u30bb\u30c3\u30c8\u3092
\u4f7f\u7528\u3059\u308b\u300d\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002
\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f64bits(x64)\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u4e0a\u56f3\u306e\u95a2\u6570\u3092main\u3067\u9806\u756a\u306b\u547c\u3073\u51fa\u3057\u307e\u3059\u3002
\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001\u307e\u3060\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u5316\u3057\u3066\u3044\u306a\u3044\u306e\u3067
\u63a5\u7d9a\u8981\u6c42\u3078\u306e\u5bfe\u5fdc\u306f1\u63a5\u7d9a\u306e\u307f\u3067\u3001\u305d\u306e\u63a5\u7d9a\u8981\u6c42\u3092\u53d7\u5bb9\u5f8c\u306f
\u4ed6\u306e\u63a5\u7d9a\u306b\u5bfe\u3057\u3066\u306e\u51e6\u7406\u3092\u304a\u3053\u306a\u3046\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n

\u3010SimpleServer.cpp\u3011\n#include “stdThread.h”\n#include <conio.h> \/\/ \u30ad\u30fc\u5165\u529b\u691c\u67fb\u306e\u305f\u3081\n\n#ifdef _MSC_VER \/\/ Windows\u306e\u3068\u304d\n#define DISABLE_C4996 __pragma(warning(push)) __pragma(warning(disable:4996))\n#define ENABLE_C4996 __pragma(warning(pop))\n#else \/\/ Linux\u306e\u3068\u304d\n#define DISABLE_C4996\n#define ENABLE_C4996\n#endif\n\n#define MAXPENDING (5) \/\/ \u63a5\u7d9a\u30d0\u30c3\u30af\u30ed\u30b0\u6570(\u4fdd\u7559\u4e2d\u306e\u63a5\u7d9a\u306e\u30ad\u30e5\u30fc\u306e\u6700\u5927\u9577)\n#define RCVBUFSIZE (1024) \/\/ \u4e00\u56de\u306b\u8aad\u3080\u6700\u5927\u53d7\u4fe1\u30b5\u30a4\u30ba\n#define MAX_SOCKET_NUM (20) \/\/ \u63a5\u7d9a\u5f85\u7528\u30bd\u30b1\u30c3\u30c8\u306e\u6700\u5927\u6570\n\n\/\/ \u95a2\u6570\u306e\u5ba3\u8a00\nBOOL InitSocketLib(); \/\/ WinSockDLL\u306e\u521d\u671f\u5316\nBOOL UninitSocketLib(); \/\/ WinSockDLL\u306e\u7d42\u4e86\nBOOL CreateAndBindSocket(WORD wPort); \/\/ \u63a5\u7d9a\u5f85\u3061\u7528\u30bd\u30b1\u30c3\u30c8\u306e\u4f5c\u6210\u3068\u540d\u524d\u4ed8\u3051\nBOOL DestroySocket(SOCKET &fd); \/\/ \u5207\u65ad\u3068\u30bd\u30b1\u30c3\u30c8\u306e\u7834\u68c4 \nBOOL DoListen(); \/\/ \u30bd\u30b1\u30c3\u30c8\u3092\u63a5\u7d9a\u5f85\u3061\u306b\u3059\u308b\nBOOL DoAccept(); \/\/ \u63a5\u7d9a\u306e\u53d7\u5bb9(\u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8\u3092\u4f5c\u6210\u3059\u308b)\nBOOL DoRecv(); \/\/ \u53d7\u4fe1\u51e6\u7406\u306e\u5b9f\u884c\nvoid Stop(); \/\/ \u3059\u3079\u3066\u306e\u30bd\u30b1\u30c3\u30c8\u3092\u7834\u68c4\u3059\u308b\nBOOL CheckKey(); \/\/ \u30ad\u30fc\u5165\u529b\u306e\u691c\u67fb\n\n\/\/ \u5909\u6570\u306e\u5ba3\u8a00\nSOCKET m_fdServer[MAX_SOCKET_NUM]; \/\/ \u5f85\u6a5f\u7528\u30bd\u30b1\u30c3\u30c8\nint m_iSockCount; \/\/ \u5f85\u6a5f\u4e2d\u30bd\u30b1\u30c3\u30c8\u306e\u6570\nSOCKET m_fdClient; \/\/ \u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8(\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u306e\u901a\u4fe1\u7528)\n\n\nint main(int argc, char &argv[])\n{\n int iRet = -1;\n int ii;\n\n\/\/ \u8d77\u52d5\u30d1\u30e9\u30e1\u30fc\u30bf\u30c1\u30a7\u30c3\u30af\n if (argc != 2)\n {\n fprintf(stderr, “Usage: %s <Server Port>\\n”, argv[0]);\n goto L_END;\n }\n\/\/ \u30bd\u30b1\u30c3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u521d\u671f\u5316\n if (InitSocketLib() == FALSE)\n goto L_END;\n\n\/\/ \u5909\u6570\u306e\u521d\u671f\u5316\n for (ii = 0; ii < MAX_SOCKET_NUM; ++ii)\n m_fdServer[ii] = INVALID_SOCKET;\n m_fdClient = INVALID_SOCKET;\n\n\/\/ \u63a5\u7d9a\u5f85\u3061\u30bd\u30b1\u30c3\u30c8\u306e\u4f5c\u6210\u3068\u540d\u524d\u4ed8\u3051\n if (CreateAndBindSocket((WORD)atol(argv[1])) == FALSE)\n goto L_END;\n\/\/ \u63a5\u7d9a\u5f85\u3061\u72b6\u614b\u306b\u3059\u308b\n if (DoListen() == FALSE)\n goto L_END;\n\/\/ \u63a5\u7d9a\u8981\u6c42\u306b\u5bfe\u3057\u3066\u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8\u3092\u4f5c\u6210\u3059\u308b\n if (DoAccept() == FALSE)\n goto L_END;\n\/\/ \u53d7\u4fe1\u306e\u5b9f\u884c\n if (DoRecv() == FALSE)\n goto L_END;\n\n iRet = 0;\nL_END:\n\/\/ \u5207\u65ad\u3068\u3059\u3079\u3066\u306e\u30bd\u30b1\u30c3\u30c8\u306e\u7834\u68c4\n Stop();\n\/\/ \u30bd\u30b1\u30c3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u958b\u653e\n UninitSocketLib();\n return(iRet);\n}<\/p>\n\n\n\n

Windows\u306e\u307f\u306b\u5fc5\u8981\u306a\u3001\u30bd\u30b1\u30c3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u521d\u671f\u5316\u3068\u7d42\u4e86\u306e
\u305f\u3081\u306e\u95a2\u6570\u3067\u3059\u3002<\/p>\n\n\n\n

\u3010SimpleServer.cpp\u3011\n\n\/\/ \u5fc5\u8981\u3068\u3059\u308bWINSOCK.DLL(WSOCK32.DLL \u306e\u30d0\u30fc\u30b8\u30e7\u30f3)\n#define VERSION_RECESTED MAKEWORD(2, 0) \n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\/\/ function\n\/\/ \u30bd\u30b1\u30c3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30ed\u30fc\u30c9\n\/\/ parameter\n\/\/ \u306a\u3057\n\/\/ retun\n\/\/ \u306a\u3057\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\nBOOL InitSocketLib()\n{\n WORD wVersionRequested; \/\/ \u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\u683c\u7d0d\u30a8\u30ea\u30a2\n WSADATA wsaData; \/\/ WinSock \u60c5\u5831\u683c\u7d0d\u30a8\u30ea\u30a2\n BOOL fRet;\n\n wVersionRequested = VERSION_RECESTED; \/\/ \u521d\u671f\u5316\u51e6\u7406\n fRet = (WSAStartup(wVersionRequested, &wsaData) == 0) ? TRUE : FALSE;\n return(fRet);\n}\n\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\/\/ function\n\/\/ \u30bd\u30b1\u30c3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u958b\u653e\n\/\/ parameter\n\/\/ \u306a\u3057\n\/\/ retun\n\/\/ \u306a\u3057\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\nBOOL UninitSocketLib()\n{\n BOOL fRet;\n\n fRet = (WSACleanup() == 0) ? TRUE : FALSE; \/\/ \u89e3\u653e\u51e6\u7406\n return(fRet);\n}<\/p>\n\n\n\n

\u63a5\u7d9a\u5f85\u6a5f\u306e\u305f\u3081\u306e\u30bd\u30b1\u30c3\u30c8\u3092flag\u306bAI_PASSIVE\u3092\u6307\u5b9a\u3057\u3067\u5f97\u3089\u308c\u305f
\u5f85\u6a5f\u3092\u884c\u3046\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u306e\u5206\u3060\u3051\u4f5c\u6210\u3057\u307e\u3059\u3002
\u4f5c\u6210\u3057\u305f\u30bd\u30b1\u30c3\u30c8\u306b\u540d\u524d(\u30dd\u30fc\u30c8\u756a\u53f7)\u3092\u4ed8\u3051\u307e\u3059\u3002
IPv4, IPv6\u306e\u4e21\u65b9\u306e\u30bd\u30b1\u30c3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u306e\u3067\u3001IPv4\u5c04\u5f71\u30a2\u30c9\u30ec\u30b9\u306f
\u4f7f\u7528\u3057\u306a\u3044\u3088\u3046\u8a2d\u5b9a\u3057\u307e\u3059\u3002
\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7e70\u308a\u8fd4\u3057\u52d5\u304b\u3059\u3068\u304d\u306e\u305f\u3081\u306bSO_REUSEADDR\u3092\u6307\u5b9a\u3057\u3066
TIME_WAIT\u72b6\u614b\u306e\u6642\u306bbind\u3067\u5931\u6557\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002
\u3053\u306e\u95a2\u6570\u306f\u3001bind\u51fa\u6765\u305f\u30bd\u30b1\u30c3\u30c8\u304c\uff11\u3064\u3082\u306a\u3044\u3068\u304d\u306bFALSE\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010SimpleServer.cpp\u3011\n\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\/\/ function\n\/\/ \u5f85\u6a5f\u7528\u30bd\u30b1\u30c3\u30c8\u306e\u4f5c\u6210\u3068bind\u306e\u5b9f\u65bd\n\/\/ parameter\n\/\/ WORD wPort [in]\u30dd\u30fc\u30c8\u756a\u53f7\n\/\/ return\n\/\/ TRUE\/FALSE\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\nBOOL CreateAndBindSocket(WORD wPort)\n{\n BOOL fRet = TRUE;\n struct addrinfo hints, *pres = NULL, *pTemp = NULL;\n char szPort[NI_MAXSERV];\n int on;\n\n fprintf(stderr, “CreateAndBindSocket()\\n”);\n\n m_iSockCount = 0;\n \/\/ \u30b9\u30c8\u30ea\u30fc\u30e0\u578b\u3067\u5f85\u6a5f\u53ef\u80fd\u306a\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u306e\u6761\u4ef6\n memset(&hints, 0, sizeof(hints));\n hints.ai_socktype = SOCK_STREAM;\n hints.ai_flags = AI_PASSIVE;\n DISABLE_C4996\n sprintf(szPort, “%d”, wPort);\n ENABLE_C4996\n\n if (getaddrinfo(NULL, szPort, &hints, &pres) == 0)\n {\n \/\/ \u9806\u756a\u306bpres\u306e\u4e2d\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u60c5\u5831\u3092\u4f7f\u7528\u3059\u308b\n pTemp = pres;\n while ((pTemp != NULL) && (m_iSockCount < MAX_SOCKET_NUM))\n {\n \/\/ Socket\u306e\u4f5c\u6210, bind\u306e\u5b9f\u884c\n \/\/ \u30bd\u30b1\u30c3\u30c8\u4f5c\u6210\n m_fdServer[m_iSockCount] = socket(pTemp->ai_family, pTemp->ai_socktype, pTemp->ai_protocol);\n if (m_fdServer[m_iSockCount] == INVALID_SOCKET)\n goto L_NEXT;\n fprintf(stderr, “%d %d %d %d\\n”, (int)m_fdServer[m_iSockCount], pTemp->ai_family, AF_INET, AF_INET6);\n#ifdef IPV6_V6ONLY\n \/\/ IPv6\u30bd\u30b1\u30c3\u30c8\u3067IPv4\u5c04\u5f71\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u306a\u3044\u3088\u3046\u306b\u8a2d\u5b9a\n if (pTemp->ai_family == AF_INET6)\n {\n on = 1;\n setsockopt(m_fdServer[m_iSockCount], IPPROTO_IPV6, IPV6_V6ONLY, (char *)&on, sizeof(on));\n }\n#endif\n \/\/ \u30af\u30ed\u30fc\u30ba\u76f4\u5f8c\u306b\u969bbind\u3067\u304d\u306a\u3044\u72b6\u614b\u306e\u89e3\u6d88\n on = 1;\n setsockopt(m_fdServer[m_iSockCount], SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on));\n \/\/ bind\u306e\u5b9f\u884c\n if (bind(m_fdServer[m_iSockCount], pTemp->ai_addr, (int)pTemp->ai_addrlen) == SOCKET_ERROR)\n {\n \/\/ bind\u306b\u5931\u6557\u3057\u305f\u3089\u3001\u305d\u306e\u30bd\u30b1\u30c3\u30c8\u3092\u7834\u68c4\u3057\u3066\u6b21\u306e\u30bd\u30b1\u30c3\u30c8\u306e\u51e6\u7406\u3092\u884c\u3046\n fprintf(stderr, ” Err:bind %d\\n”, WSAGetLastError());\n DestroySocket(m_fdServer[m_iSockCount]);\n goto L_NEXT;\n }\n ++m_iSockCount;\n L_NEXT:\n pTemp = pTemp->ai_next; \/\/ \u6b21\u306e\u60c5\u5831\u3092\u51e6\u7406\u3059\u308b\n }\n freeaddrinfo(pres);\n }\n if (m_iSockCount == 0) \/\/ \u3072\u3068\u3064\u3082bind\u3067\u304d\u306a\u304b\u3063\u305f\u3068\u304d\u306f\u5931\u6557\u3092\u8fd4\u3059\n fRet = FALSE;\n return(fRet);\n}<\/p>\n\n\n\n

\u63a5\u7d9a\u5f85\u6a5f\u306e\u305f\u3081\u306b\u4f5c\u6210\u3057\u305f\u30bd\u30b1\u30c3\u30c8\u3092\u63a5\u7d9a\u5f85\u6a5f\u72b6\u614b\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010SimpleServer.cpp\u3011\n\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\/\/ function\n\/\/ \u5f85\u6a5f\u7528\u30bd\u30b1\u30c3\u30c8\u3092\u63a5\u7d9a\u5f85\u3061\u72b6\u614b\u306b\u3059\u308b\n\/\/ parameter\n\/\/ \u306a\u3057\n\/\/ return\n\/\/ TRUE\/FALSE\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\nBOOL DoListen()\n{\n BOOL fRet = FALSE;\n int ii;\n\n fprintf(stderr, “DoListen()\\n”);\n for (ii = 0; ii < m_iSockCount; ++ii)\n {\n if (listen(m_fdServer[ii], MAXPENDING) == SOCKET_ERROR)\n continue;\n fRet = TRUE;\n }\n return(fRet);\n}<\/p>\n\n\n\n

\u63a5\u7d9a\u5f85\u6a5f\u72b6\u614b\u306e\u30bd\u30b1\u30c3\u30c8\u306b\u63a5\u7d9a\u8981\u6c42\u304c\u3042\u3063\u305f\u3068\u304d\u3001\u63a5\u7d9a\u8981\u6c42\u30ad\u30e5\u30fc\u306e
\u51e6\u7406\u3092\u884c\u3044\u3001\u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
\u4f5c\u6210\u3057\u305f\u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8\u306fm_fdClient\u306b\u683c\u7d0d\u3057\u3001\u53d7\u4fe1\u51e6\u7406\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002
\u3053\u306e\u95a2\u6570\u306f\u3001\u8ab0\u304b\u304c\u63a5\u7d9a\u3057\u306b\u304f\u308b\u304b\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u5165\u529b\u304c\u3042\u308b\uff08\u4e2d\u65ad\u8981\u6c42\uff09\u307e\u3067
while\u306b\u3088\u308b\u30eb\u30fc\u30d7\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002
accept\u306f\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u95a2\u6570\u306a\u306e\u3067\u3001\u63a5\u7d9a\u8981\u6c42\u30ad\u30e5\u30fc\u306e\u691c\u67fb\u3092select\u3067\u884c\u3044
\u8981\u6c42\u304c\u3042\u3063\u305f\u3068\u304d\u306e\u307faccept\u3092\u547c\u3076\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002
accept\u304c\u6210\u529f\u3057\u305f\u6642\u3001\u76f8\u624b\u306e\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u306f\u5927\u304d\u306a\u69cb\u9020\u4f53sockaddr_storage\u306b
\u683c\u7d0d\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n

\u3010SimpleServer.cpp\u3011\n\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\/\/ function\n\/\/ \u63a5\u7d9a\u8981\u6c42\u306e\u53d7\u3051\u5165\u308c(\u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8\u306e\u4f5c\u6210)\n\/\/ parameter\n\/\/ \u306a\u3057\n\/\/ return\n\/\/ TRUE\/FALSE\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\nBOOL DoAccept()\n{\n BOOL fRet = FALSE;\n sockaddr_storage ClntAddr; \/\/ \u63a5\u7d9a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\n socklen_t iClntLen; \/\/ \u63a5\u7d9a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u306e\u30b5\u30a4\u30ba\n char szHostAddr[NI_MAXHOST];\n int ii;\n fd_set rfds;\n struct timeval tv;\n\n fprintf(stderr, “DoAccept()\\n”);\n while (1)\n {\n tv.tv_sec = 0;\n tv.tv_usec = 10 * 1000;\/\/ 10msec\n FD_ZERO(&rfds);\n for (ii = 0; ii < m_iSockCount; ++ii)\n {\n FD_SET(m_fdServer[ii], &rfds); \/\/ bind\u6210\u529f\u3057\u305fm_fdServer[ii]\u304c\u8abf\u67fb\u5bfe\u8c61\n }\n select(FD_SETSIZE, &rfds, NULL, NULL, &tv); \/\/ \u63a5\u7d9a\u8981\u6c42\u306f\u8aad\u307f\u8fbc\u307f\u3067\u691c\u67fb\u3059\u308b\n \/\/ \u30ad\u30fc\u5165\u529b\u3067\u4e2d\u65ad\n if(CheckKey())\n {\n fprintf(stderr, ” OK:Abort by key\\n”);\n break;\n }\n for (ii = 0; ii < m_iSockCount; ++ii)\n {\n if (FD_ISSET(m_fdServer[ii], &rfds)) \/\/ \u63a5\u7d9a\u8981\u6c42\u304c\u3042\u3063\u305f\u3068\u304daccept\u3092\u5b9f\u65bd\n {\n iClntLen = sizeof(ClntAddr); \/\/ \u63a5\u7d9a\u5148\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u3092\u683c\u7d0d\u3059\u308b\u69cb\u9020\u4f53\u306e\u30b5\u30a4\u30ba\n if ((m_fdClient = accept(m_fdServer[ii], (sockaddr *)&ClntAddr, &iClntLen)) == INVALID_SOCKET)\n {\n \/\/ \u5931\u6557\u6642\u6b21\u306e\u63a5\u7d9a\u8981\u6c42\u3092\u51e6\u7406\u3059\u308b\n fprintf(stderr, “Err:accept %d\\n”, WSAGetLastError());\n continue;\n }\n else\n {\n \/\/ \u6210\u529f\u6642m_fdClient\u306b\u306f\u63a5\u7d9a\u6e08\u307f\u306e\u30bd\u30b1\u30c3\u30c8\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\n \/\/ \u76f8\u624b\u306e\u60c5\u5831\u304b\u3089\u3001IP\u30a2\u30c9\u30ec\u30b9\u3092\u8abf\u3079\u308b\n if (getnameinfo((struct sockaddr *) &a,p;ClntAddr, (socklen_t)iClntLen,\n szHostAddr, sizeof(szHostAddr), NULL, 0, NI_NUMERICHOST) == 0)\n {\n fprintf(stderr, “%s\\n”, szHostAddr);\n }\n fRet = TRUE; \/\/ \u6210\u529f\u3057\u305f\u3089\u3001\u4eca\u56de\u306f\u53d7\u4fe1\u51e6\u7406\u306b\u79fb\u884c\u3059\u308b\n goto L_END;\n }\n }\n }\n }\nL_END:\n return(fRet);\n}<\/p>\n\n\n\n

\u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8m_fdClient\u3092\u4f7f\u3063\u3066\u53d7\u4fe1\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002
\u5207\u65ad\u3092\u691c\u77e5(0\u30d0\u30a4\u30c8\u306e\u53d7\u4fe1)\u307e\u305f\u306f\u30ad\u30fc\u30dc\u30fc\u30c9\u5165\u529b\u306b\u3088\u308b\u4e2d\u65ad\u304c
\u767a\u751f\u3059\u308b\u307e\u3067while\u306b\u3088\u308b\u30eb\u30fc\u30d7\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002
recv\u306f\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u95a2\u6570\u306a\u306e\u3067\u3001TCP\u30b9\u30bf\u30c3\u30af\u306e\u53d7\u4fe1\u30d0\u30c3\u30d5\u30a1\u306e\u691c\u67fb\u3092select\u3067
\u884c\u3044\u53d7\u4fe1\u304c\u3042\u3063\u305f\u3068\u304d\u306e\u307frecvt\u3092\u547c\u3076\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002
\u3053\u3053\u3067\u306f\u3001\u53d7\u4fe1\u3057\u305f\u30c7\u30fc\u30bf\u306f\u6587\u5b57\u5217\u3068\u3057\u3066\u3001\u8868\u793a\u3092\u3059\u308b\u3060\u3051\u3067\u3059\u3002
\u305d\u306e\u305f\u3081\u306bszRecvBuffer\u306e\u30b5\u30a4\u30ba\u3088\u308a\uff11\u30d0\u30a4\u30c8\u5c11\u306a\u304frecv\u3092\u547c\u3073NULL\u30bf\u30fc\u30df\u30cd\u30fc\u30c8
\u6587\u5b57\u5217\u3068\u3057\u3066\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010SimpleServer.cpp\u3011\n\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\/\/ function\n\/\/ \u53d7\u4fe1\u51e6\u7406\n\/\/ parameter\n\/\/ \u306a\u3057\n\/\/ return\n\/\/ TRUE\/FALSE\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\nBOOL DoRecv()\n{\n BOOL fRet = TRUE;\n char szRecvBuffer[RCVBUFSIZE + 1]; \/\/ \u53d7\u4fe1\u30d0\u30c3\u30d5\u30a1\n int iSize;\n fd_set rfds;\n struct timeval tv;\n\n fprintf(stderr, “DoRecv()\\n”);\n while (1)\n {\n tv.tv_sec = 0;\n tv.tv_usec = 10 * 1000; \/\/ 10msec\n FD_ZERO(&rfds);\n FD_SET(m_fdClient, &rfds);\n select(FD_SETSIZE, &rfds, NULL, NULL, &tv); \/\/ \u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u307e\u3067Sleep\u3068\u540c\u7b49\n \/\/ \u30ad\u30fc\u5165\u529b\u3067\u4e2d\u65ad\n if (CheckKey())\n {\n fprintf(stderr, ” OK:Abort by key\\n”);\n break;\n }\n if (FD_ISSET(m_fdClient, &rfds))\n {\n memset(szRecvBuffer, 0, sizeof(szRecvBuffer));\n if ((iSize = recv(m_fdClient, szRecvBuffer, RCVBUFSIZE, 0)) <= 0)\n {\n if (iSize == 0) \/\/ 0\u30d0\u30a4\u30c8\u306e\u53d7\u4fe1\u306f\u5207\u65ad\u691c\u77e5 -1\u306f\u30a8\u30e9\u30fc\n fprintf(stderr, “Disconnected %d\\n”, WSAGetLastError());\n else\n fprintf(stderr, “Err:recv %d\\n”, WSAGetLastError());\n fRet = FALSE;\n break;\n }\n else\n {\n fprintf(stderr, “%s\\n”, szRecvBuffer);\n }\n }\n }\n return(fRet);\n}<\/p>\n\n\n\n

\u30bd\u30b1\u30c3\u30c8\u3092\u7834\u68c4\u3059\u308b\u95a2\u6570\u3067\u3059\u3002
DestroySocket\u306f\u6307\u5b9a\u3057\u305f\u30bd\u30b1\u30c3\u30c8\u3092\u7834\u68c4\u3057\u307e\u3059\u3002
Stop\u306f\u3059\u3079\u3066\u306e\u30bd\u30b1\u30c3\u30c8\u3092\u7834\u68c4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010SimpleServer.cpp\u3011\n\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\/\/ function\n\/\/ TCP\u30bd\u30b1\u30c3\u30c8\u306e\u7834\u68c4\n\/\/ parameter\n\/\/ SOCKET &fd[in\/out]\u7834\u68c4\u3059\u308b\u30bd\u30b1\u30c3\u30c8\n\/\/ return\n\/\/ TRUE\/FALSE\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\nBOOL DestroySocket(SOCKET &fd)\n{\n fprintf(stderr, “DestroySocket()\\n”);\n if (fd != INVALID_SOCKET)\n {\n shutdown(fd, SD_BOTH); \/\/ \u53d7\u4fe1\u3082\u9001\u4fe1\u3082\u505c\u6b62\n closesocket(fd);\n fd = INVALID_SOCKET;\n }\n return(TRUE);\n}\n\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\/\/ function\n\/\/ \u3059\u3079\u3066\u306e\u30bd\u30b1\u30c3\u30c8\u306e\u5207\u65ad\u3001\u7834\u68c4\n\/\/ parameter\n\/\/ \u306a\u3057\n\/\/ return\n\/\/ \u306a\u3057\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\nvoid Stop()\n{\n int ii;\n\n fprintf(stderr, “Stop()\\n”);\n DestroySocket(m_fdClient);\n for (ii = 0; ii < m_iSockCount; ++ii)\n DestroySocket(m_fdServer[ii]);\n}<\/p>\n\n\n\n

\u30bd\u30b1\u30c3\u30c8\u3068\u306f\u95a2\u4fc2\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u306e\u5165\u529b\u3092\u691c\u67fb\u3059\u308b \u95a2\u6570\u3067\u3059\u3002
Windows\u72ec\u7279\u306e\u95a2\u6570\u3067\u3059\u3002Linux\u3067\u306f\u3001\u6a19\u6e96\u5165\u529b\u306e\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3092
\u30bd\u30b1\u30c3\u30c8\u306eselect\u306b\u3088\u308b\u691c\u67fb\u3068\u540c\u69d8\u306b\u6271\u3046\u95a2\u6570\u3067\u4f5c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010SimpleServer.cpp\u3011\n\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\/\/ function\n\/\/ \u30ad\u30fc\u5165\u529b\u30c1\u30a7\u30c3\u30af\n\/\/ parameter\n\/\/ \u306a\u3057\n\/\/ return\n\/\/ TRUE:\u5165\u529b\u3042\u308a\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\nBOOL CheckKey()\n{\n BOOL fRet = FALSE;\n\n if (_kbhit())\n {\n _getch();\n fRet = TRUE;\n }\n return(fRet);\n}<\/p>\n\n\n\n

\u3053\u308c\u3067SimpleServer.cpp\u304c\u5b8c\u6210\u3067\u3059\u3002
\u30d3\u30eb\u30c9\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002
\u5f15\u6570\u306b\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u6307\u5b9a\u3057\u3066\u52d5\u304b\u3057\u3066\u307f\u307e\u3059\u3002
\u4e0b\u306e\u56f3\u306f\u30dd\u30fc\u30c8\u756a\u53f7\u306b10000\u3092\u6307\u5b9a\u3057\u3066\u52d5\u304b\u3057\u3001\u540c\u3058PC\u3067IE\u3067\u3082\u30dd\u30fc\u30c8\u756a\u53f710000\u3092
\u6307\u5b9a\u3057\u3066\u63a5\u7d9a\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3067\u3059\u3002
IE\u306e\u30a2\u30c9\u30ec\u30b9\u306bIPv4\u3092\u6307\u5b9a\u3057\u305f\u6642\u3001http:\/\/127.0.0.1:10000\/
<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

C:\\SimpleServer\\x64\\Debug>SimpleServer 10000\nCreateAndBindSocket()\n176 23 2 23 \u2190\u5f85\u6a5f\u7528IPv6\u306e\u30bd\u30b1\u30c3\u30c8\n180 2 2 23 \u2190\u5f85\u6a5f\u7528IPv4\u306e\u30bd\u30b1\u30c3\u30c8\nDoListen()\nDoAccept()\n127.0.0.1 \u2190IPv4\u306e\u30ed\u30fc\u30ab\u30eb\u30db\u30b9\u30c8<\/strong>\u304b\u3089\u3064\u306a\u304e\u306b\u6765\u305f\nDoRecv()\nGET \/ HTTP\/1.1 \u2190IE\u304c\u9001\u4fe1\u3057\u3066\u304d\u305f\u6587\u5b57\u5217\nUser-Agent: Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.140 Safari\/537.36 Edge\/17.17134\nAccept-Language: ja,zh-Hans-CN;q=0.7,zh-Hans;q=0.3\nAccept: text\/html,application\/xhtml+xml,application\/xml;q=0.9,*\/*;q=0.8\nUpgrade-Insecure-Requests: 1\nAccept-Encoding: gzip, deflate\nHost: 127.0.0.1:10000\nConnection: Keep-Alive\n\n \u2190\u30ad\u30fc\u30dc\u30fc\u30c9\u306b\u3088\u308a\u4e2d\u65ad\u3092\u8981\u6c42\n OK:Abort by key\nStop()\nDestroySocket()\nDestroySocket()\nDestroySocket()<\/p>\n\n\n\n

IE\u306e\u30a2\u30c9\u30ec\u30b9\u306bIPv6\u3092\u6307\u5b9a\u3057\u305f\u6642\u3001http:\/\/[::1]:10000\/<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

C:\\SimpleServer\\x64\\Debug>SimpleServer 10000\nCreateAndBindSocket()\n188 23 2 23 \u2190\u5f85\u6a5f\u7528IPv6\u306e\u30bd\u30b1\u30c3\u30c8\n196 2 2 23 \u2190\u5f85\u6a5f\u7528IPv4\u306e\u30bd\u30b1\u30c3\u30c8\nDoListen()\nDoAccept()\n::1 \u2190IPv6\u306e\u30ed\u30fc\u30ab\u30eb\u30db\u30b9\u30c8<\/strong>\u304b\u3089\u3064\u306a\u304e\u306b\u6765\u305f\nDoRecv()\nGET \/ HTTP\/1.1 \u2190IE\u304c\u9001\u4fe1\u3057\u3066\u304d\u305f\u6587\u5b57\u5217\nUser-Agent: Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/64.0.3282.140 Safari\/537.36 Edge\/17.17134\nAccept-Language: ja,zh-Hans-CN;q=0.7,zh-Hans;q=0.3\nAccept: text\/html,application\/xhtml+xml,application\/xml;q=0.9,*\/*;q=0.8\nUpgrade-Insecure-Requests: 1\nAccept-Encoding: gzip, deflate\nHost: [::1]:10000\nConnection: Keep-Alive\n\n\n OK:Abort by key\nStop()\nDestroySocket()\nDestroySocket()\nDestroySocket()<\/p>\n\n\n\n

\u3010\u53c2\u8003\u3011
\u30d7\u30ed\u30b8\u30a7\u30af\u30c8SimpleServer for Windows(zip)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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