{"id":776,"date":"2019-05-23T11:28:02","date_gmt":"2019-05-23T02:28:02","guid":{"rendered":"https:\/\/www.oji-koji.com\/?p=776"},"modified":"2019-05-29T10:45:47","modified_gmt":"2019-05-29T01:45:47","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%a0simpleserverlinux%e7%89%88","status":"publish","type":"post","link":"https:\/\/www.oji-koji.com\/?p=776","title":{"rendered":"\u521d\u3081\u3066\u306eTCP\/IP\u30d7\u30ed\u30b0\u30e9\u30e0SimpleServer(Linux\u7248)2019\/05\/29\u66f4\u65b0"},"content":{"rendered":"\n

Windows\u7248<\/a>\u304b\u3089Linux\u7248\u3078\u306e\u79fb\u690d\u3092\u884c\u3044\u307e\u3059\u3002
\u304b\u306a\u308a\u306e\u90e8\u5206\u304c\u5171\u901a\u3067\u3059\u304c\u3001\u4ee5\u4e0b\u306e\u70b9\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u30bd\u30b1\u30c3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u95a2\u9023\u3057\u305f\u90e8\u5206
1.\u30bd\u30b1\u30c3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3044\u3064\u3067\u3082\u4f7f\u3048\u307e\u3059\u306e\u3067\u3001Windows\u7248\u306b\u3042\u3063\u305f
\u521d\u671f\u5316\u3001\u958b\u653e\u306f\u4e0d\u8981\u3067\u3059\u3002
2.\u30a8\u30e9\u30fc\u756a\u53f7\u306e\u53d6\u5f97\u306ferrno\u3067\u5927\u4e08\u592b\u3067\u3059\u3002
WSAGetLastError()\u3092errno<\/strong>\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002
3.\u30bd\u30b1\u30c3\u30c8\u306e\u30af\u30ed\u30fc\u30ba\u306f\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3068\u540c\u69d8close\u3067\u3059\u3002
closesocket(sockfd)\u3092close<\/strong>(sockfd)\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002
4.\u5207\u65ad\u51e6\u7406\u306ehow\u304c\u9055\u3044\u307e\u3059\u3002
shutdown(sockfd, how)\u306ehow\u3092SHUT_RD\/SHUT_WR\/SHUT_RDWR\u306a\u3069\u306b
\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002\u3053\u3053\u3067\u306fSHUT_RDWR<\/strong>\u3067\u3059\u306d\u3002<\/p>\n\n\n\n

\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u95a2\u6570\u306e\u691c\u67fb\u306b\u95a2\u9023\u3057\u305f\u90e8\u5206
select(nfds, &rfds, &wfds, &exfds, &tv)\u306enfds\u3092\u691c\u67fb\u3059\u308b\u30bd\u30b1\u30c3\u30c8\u306e
\u6700\u5927\u5024+1<\/strong>\u306b\u3057\u307e\u3059\u3002
\u3053\u308c\u306ffd_set\u306e\u69cb\u9020\u306e\u9055\u3044\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002
\u5f8c\u7a0b\u3001select\u306e\u4ee3\u308f\u308a\u306bpoll\u3092\u4f7f\u3046\u3088\u3046\u306b\u5909\u66f4\u3057\u307e\u3059<\/p>\n\n\n\n

\u30ad\u30fc\u30dc\u30fc\u30c9\u5165\u529b\u306e\u691c\u67fb\u306e\u90e8\u5206
_kbhit\u306fWindows\u7279\u6709\u306e\u95a2\u6570\u3067\u3059\u306e\u3067\u6a19\u6e96\u5165\u529b(\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf0)<\/strong>\u3092
select\u3092\u4f7f\u3063\u3066\u691c\u67fb\u3059\u308b\u95a2\u6570\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n\n\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(ENTER\u30ad\u30fc\u304c\u62bc\u3055\u308c\u305f)\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\nBOOL CheckKey()\n{\n BOOL fRet = FALSE;\n fd_set rfds;\n struct timeval tv;\n char szBuff[81];\n\n tv.tv_sec = 0;\n tv.tv_usec = 0;\n FD_ZERO(&rfds); \/\/ fd_set\u306e\u521d\u671f\u5316\n \/\/ 0:\u6a19\u6e96\u5165\u529b 1:\u6a19\u6e96\u51fa\u529b 2:\u6a19\u6e96\u30a8\u30e9\u30fc\n FD_SET(0, &rfds); \/\/ \u6a19\u6e96\u5165\u529b(0)\u304c\u8abf\u67fb\u5bfe\u8c61\n select(1, &rfds, NULL, NULL, &tv);\n if (FD_ISSET(0, &rfds)) \/\/ \u30ad\u30fc\u5165\u529b\u304c\u3042\u3063\u305f(ENTER\u30ad\u30fc\u304c\u62bc\u3055\u308c\u305f)\n {\n read(0, szBuff, sizeof(szBuff)); \/\/ \u5165\u529b\u3055\u308c\u305f\u6587\u5b57\u5217\u3092\u8aad\u3093\u3067\u304a\u304f\n fRet = TRUE;\n }\n return(fRet);\n}<\/p>\n\n\n\n

\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210
\u30d5\u30a1\u30a4\u30eb\u2192\u65b0\u898f\u4f5c\u6210\u2192\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u2192\u30e1\u30a4\u30af\u30d5\u30a1\u30a4\u30eb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8
\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d\uff1aSimpleServer
\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
stdThread.cpp, stdThread.h<\/a>, makefile<\/a>\u3092\u30b3\u30d4\u30fc\u3057\u3001\u65e2\u5b58\u306e\u9805\u76ee\u3068\u3057\u3066\u8ffd\u52a0\u3057\u307e\u3059\u3002
SimpleServer.cpp\u3092Windows\u7248\u304b\u3089\u30b3\u30d4\u30fc\u3057\u3001\u65e2\u5b58\u306e\u9805\u76ee\u3068\u3057\u3066\u8ffd\u52a0\u3057\u307e\u3059\u3002
makefile\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010makefile\u3011\nCC=g++ -g3 -O0\n#CC=g++\nPROGRAM=SimpleServer\nOBJS=SimpleServer.o stdThread.o\n\nSRCS=$(OBJS:%.o=%.cpp)\nINCLUDE=stdThread.h\nLFLAGS=-lpthread\n\n$(PROGRAM):$(OBJS) $(SRCS) $(INCLUDE)\n\t$(CC) -o $(PROGRAM) $(SRCS) $(LFLAGS)<\/p>\n\n\n\n

SimpleServer.cpp\u3092Linux\u5bfe\u5fdc\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010SimpleServer.cpp\u3011\n#include “stdThread.h”\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 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\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 return(iRet);\n}\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”, 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 if (setsockopt(m_fdServer[m_iSockCount], IPPROTO_IPV6, IPV6_V6ONLY, (char *)&on, sizeof(on)) < 0)\n {\n fprintf(stderr, ” Err:setsockopt %d\\n”, errno);\n goto L_NEXT;\n }\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 fprintf(stderr, ” Err:bind %d\\n”, errno);\n DestroySocket(m_fdServer[m_iSockCount]);\n goto L_NEXT;\n }\n ++m_iSockCount;\n L_NEXT:\n pTemp = pTemp->ai_next;\n }\n freeaddrinfo(pres);\n }\n if (m_iSockCount == 0)\n fRet = FALSE;\n return(fRet);\n}\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}\n\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\/\/ function\n\/\/ \u63a5\u7d9a\u8981\u6c42\u306e\u53d7\u3051\u5165\u308c\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, iMaxfd = 0;\n fd_set rfds;\n struct timeval tv;\n\n\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 iMaxfd = max(iMaxfd, m_fdServer[ii]); \/\/ \u30bd\u30b1\u30c3\u30c8\u306e\u6700\u5927\u5024\u3092iMaxfd\u306b\u683c\u7d0d\n }\n select(iMaxfd + 1, &rfds, NULL, NULL, &tv); \/\/ \u691c\u67fb\u30bd\u30b1\u30c3\u30c8\u6570\u306biMaxfd+1\u3092\u8a2d\u5b9a\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”, errno);\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 *) &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}\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); \/\/ \u691c\u67fb\u30bd\u30b1\u30c3\u30c8\u6570\u306biMaxfd+1\u3092\u8a2d\u5b9a\n select(m_fdClient + 1, &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”, errno);\n else\n fprintf(stderr, “Err:recv %d\\n”, errno);\n fRet = FALSE;\n break;\n }\n else\n {\n fprintf(stderr, “%s\\n”, szRecvBuffer);\n }\n }\n }\n return(fRet);\n}\n\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, SHUT_RDWR); \/\/ \u53d7\u4fe1\u3082\u9001\u4fe1\u3082\u505c\u6b62\n close(fd);\n fd = INVALID_SOCKET;\n }\n return(TRUE);\n}\n\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\/\/ function\n\/\/ \u5207\u65ad\u3001\u30bd\u30b1\u30c3\u30c8\u306e\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}\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(ENTER\u30ad\u30fc\u304c\u62bc\u3055\u308c\u305f)\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\nBOOL CheckKey()\n{\n BOOL fRet = FALSE;\n fd_set rfds;\n struct timeval tv;\n char szBuff[81];\n\n tv.tv_sec = 0;\n tv.tv_usec = 0;\n FD_ZERO(&rfds); \/\/ fd_set\u306e\u521d\u671f\u5316\n \/\/ 0:\u6a19\u6e96\u5165\u529b 1:\u6a19\u6e96\u51fa\u529b 2:\u6a19\u6e96\u30a8\u30e9\u30fc\n FD_SET(0, &rfds); \/\/ \u6a19\u6e96\u5165\u529b(0)\u304c\u8abf\u67fb\u5bfe\u8c61\n select(1, &rfds, NULL, NULL, &tv);\n if (FD_ISSET(0, &rfds)) \/\/ \u30ad\u30fc\u5165\u529b\u304c\u3042\u3063\u305f(ENTER\u30ad\u30fc\u304c\u62bc\u3055\u308c\u305f)\n {\n read(0, szBuff, sizeof(szBuff)); \/\/ \u5165\u529b\u3055\u308c\u305f\u6587\u5b57\u5217\u3092\u8aad\u3093\u3067\u304a\u304f\n fRet = TRUE;\n }\n return(fRet);\n}<\/p>\n\n\n\n

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

Windows\u7248\u304b\u3089Linux\u7248\u3078\u306e\u79fb\u690d\u3092\u884c\u3044\u307e\u3059\u3002\u304b\u306a\u308a\u306e\u90e8\u5206\u304c\u5171\u901a\u3067\u3059\u304c\u3001\u4ee5\u4e0b\u306e\u70b9\u3092\u5909\u66f4\u3057\u307e\u3059\u3002 \u30bd\u30b1\u30c3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u95a2\u9023\u3057\u305f\u90e8\u52061.\u30bd\u30b1\u30c3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3044\u3064\u3067\u3082\u4f7f\u3048\u307e\u3059\u306e\u3067\u3001Windows\u7248\u306b\u3042\u3063\u305f \u521d\u671f\u5316\u3001\u958b\u653e\u306f […]<\/p>\n","protected":false},"author":1,"featured_media":129,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_locale":"","_original_post":"","footnotes":""},"categories":[6],"tags":[],"class_list":["post-776","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-networkprograming","ja"],"_links":{"self":[{"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/posts\/776","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=776"}],"version-history":[{"count":11,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/posts\/776\/revisions"}],"predecessor-version":[{"id":841,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/posts\/776\/revisions\/841"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/media\/129"}],"wp:attachment":[{"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}