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- /**
- * Tencent is pleased to support the open source community by making Tars available.
- *
- * Copyright (C) 2016THL A29 Limited, a Tencent company. All rights reserved.
- *
- * Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
- * in compliance with the License. You may obtain a copy of the License at
- *
- * https://opensource.org/licenses/BSD-3-Clause
- *
- * Unless required by applicable law or agreed to in writing, software distributed
- * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- */
- #include "util/tc_platform.h"
- #if TARGET_PLATFORM_LINUX||TARGET_PLATFORM_IOS
- #include <unistd.h>
- #include <fcntl.h>
- #include <netdb.h>
- #include <arpa/inet.h>
- #ifndef TARGET_PLATFORM_ANDROID
- #include <ifaddrs.h>
- #endif
- #include <sys/ioctl.h>
- #include <net/if.h>
- #ifndef TARGET_PLATFORM_IOS
- #include <net/if_arp.h>
- #endif
- #include <netinet/tcp.h>
- #include <sys/socket.h>
- #include <netinet/in.h>
- #include <string.h>
- #else
- #include <WS2tcpip.h>
- #define bzero(b,len) (memset((b), '\0', (len)))
- #endif
- #include <cerrno>
- #include <cassert>
- #include "util/tc_port.h"
- #include "util/tc_socket.h"
- namespace tars
- {
- TC_Socket::TC_Socket() : _sock(INVALID_SOCKET), _bOwner(true), _iDomain(AF_INET)
- {
- }
- TC_Socket::~TC_Socket()
- {
- if(_bOwner)
- {
- close();
- }
- }
- void TC_Socket::init(int fd, bool bOwner, int iDomain)
- {
- if(_bOwner)
- {
- close();
- }
- _sock = fd;
- _bOwner = bOwner;
- _iDomain = iDomain;
- }
- void TC_Socket::createSocket(int iSocketType, int iDomain)
- {
- // assert(iSocketType == SOCK_STREAM || iSocketType == SOCK_DGRAM);
- close();
- _iDomain = iDomain;
- _sock = socket(iDomain, iSocketType, 0);
- if(_sock < 0)
- {
- _sock = INVALID_SOCKET;
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::createSocket] create socket error");
- // throw TC_Socket_Exception("[TC_Socket::createSocket] create socket error! :" + string(strerror(errno)));
- }
- else
- {
- ignoreSigPipe();
- }
-
- }
- void TC_Socket::getPeerName(string &sPeerAddress, uint16_t &iPeerPort) const
- {
- assert(_iDomain == AF_INET || _iDomain == AF_INET6);
- char sAddr[INET6_ADDRSTRLEN] = "\0";
- struct sockaddr_in stPeer4;
- struct sockaddr_in6 stPeer6;
- struct sockaddr *stPeer = (AF_INET6 == _iDomain) ? (struct sockaddr *)&stPeer6 : (struct sockaddr *)&stPeer4;
- socklen_t iPeerLen = (AF_INET6 == _iDomain) ? sizeof(stPeer6) : sizeof(stPeer4);
- bzero(stPeer, iPeerLen);
- getPeerName(stPeer, iPeerLen);
- inet_ntop(_iDomain, (AF_INET6 == _iDomain) ? (void*)&stPeer6.sin6_addr : (void *)&stPeer4.sin_addr, sAddr, sizeof(sAddr));
- sPeerAddress = sAddr;
- iPeerPort = (AF_INET6 == _iDomain) ? ntohs(stPeer6.sin6_port) : ntohs(stPeer4.sin_port);
- }
- #if TARGET_PLATFORM_LINUX||TARGET_PLATFORM_IOS
- void TC_Socket::getPeerName(string &sPathName) const
- {
- assert(_iDomain == AF_LOCAL);
- struct sockaddr_un stSock;
- bzero(&stSock, sizeof(struct sockaddr_un));
- SOCKET_LEN_TYPE iSockLen = sizeof(stSock);
- getPeerName((struct sockaddr *)&stSock, iSockLen);
- sPathName = stSock.sun_path;
- }
- void TC_Socket::getSockName(string &sPathName) const
- {
- assert(_iDomain == AF_LOCAL);
- struct sockaddr_un stSock;
- bzero(&stSock, sizeof(struct sockaddr_un));
- SOCKET_LEN_TYPE iSockLen = sizeof(stSock);
- getSockName((struct sockaddr *)&stSock, iSockLen);
- sPathName = stSock.sun_path;
- }
- void TC_Socket::bind(const char *sPathName)
- {
- assert(_iDomain == AF_LOCAL);
- unlink(sPathName);
- struct sockaddr_un stBindAddr;
- memset(&stBindAddr, 0x00, sizeof(stBindAddr));
- stBindAddr.sun_family = _iDomain;
- strncpy(stBindAddr.sun_path, sPathName, sizeof(stBindAddr.sun_path));
- try
- {
- bind((struct sockaddr *)&stBindAddr, sizeof(stBindAddr));
- }
- catch(const std::exception& e)
- {
- std::cerr << e.what() << ", " << sPathName << endl;
- throw e;
- }
- }
- void TC_Socket::connect(const char *sPathName)
- {
- int ret = connectNoThrow(sPathName);
- if(ret < 0)
- {
- THROW_EXCEPTION_SYSCODE(TC_SocketConnect_Exception, "[TC_Socket::connect] connect error");
- }
- }
- int TC_Socket::connectNoThrow(const char *sPathName)
- {
- assert(_iDomain == AF_LOCAL);
- struct sockaddr_un stServerAddr;
- memset(&stServerAddr, 0x00, sizeof(stServerAddr));
- stServerAddr.sun_family = _iDomain;
- strncpy(stServerAddr.sun_path, sPathName, sizeof(stServerAddr.sun_path));
- return connect((struct sockaddr *)&stServerAddr, sizeof(stServerAddr));
- }
- #endif
- void TC_Socket::getPeerName(struct sockaddr *pstPeerAddr, SOCKET_LEN_TYPE &iPeerLen) const
- {
- if(getpeername(_sock, pstPeerAddr, &iPeerLen) < 0)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::getPeerName] getpeername error");
- }
- }
- void TC_Socket::getSockName(string &sSockAddress, uint16_t &iSockPort) const
- {
- assert(_iDomain == AF_INET || _iDomain == AF_INET6);
- char sAddr[INET6_ADDRSTRLEN] = "\0";
- struct sockaddr_in6 in6;
- struct sockaddr_in in4;
- struct sockaddr *in = (AF_INET6 == _iDomain) ? (struct sockaddr *)&in6 : (struct sockaddr *)&in4;
- socklen_t len = (AF_INET6 == _iDomain) ? sizeof(in6) : sizeof(in4);
- bzero(in, len);
- getSockName(in, len);
- inet_ntop(_iDomain, (AF_INET6 == _iDomain) ? (void *)&in6.sin6_addr : (void *)&in4.sin_addr, sAddr, sizeof(sAddr));
- sSockAddress = sAddr;
- iSockPort = (AF_INET6 == _iDomain) ? ntohs(in6.sin6_port) : ntohs(in4.sin_port);
- }
- void TC_Socket::getSockName(struct sockaddr *pstSockAddr, SOCKET_LEN_TYPE &iSockLen) const
- {
- if(getsockname(_sock, pstSockAddr, &iSockLen) < 0)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::getSockName] getsockname error");
- }
- }
- SOCKET_TYPE TC_Socket::accept(TC_Socket &tcSock, struct sockaddr *pstSockAddr, SOCKET_LEN_TYPE &iSockLen)
- {
- assert(tcSock._sock == INVALID_SOCKET);
- SOCKET_TYPE ifd;
- #if TARGET_PLATFORM_WINDOWS
- ifd = ::accept(_sock, pstSockAddr, &iSockLen);
- #else
- while ((ifd = ::accept(_sock, pstSockAddr, &iSockLen)) < 0 && errno == EINTR);
- #endif
- tcSock._sock = ifd;
- tcSock._iDomain = _iDomain;
- return tcSock._sock;
- }
- void TC_Socket::parseAddr(const string &sAddr, struct in_addr &stSinAddr)
- {
- int iRet = inet_pton(AF_INET, sAddr.c_str(), &stSinAddr);
- if(iRet < 0)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::parseAddr] inet_pton(" + sAddr + ") error");
- }
- #if TARGET_PLATFORM_LINUX
- else if (iRet == 0)
- {
- struct hostent stHostent;
- struct hostent *pstHostent;
- char buf[2048] = "\0";
- int iError;
- gethostbyname_r(sAddr.c_str(), &stHostent, buf, sizeof(buf), &pstHostent, &iError);
- if (pstHostent == NULL)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::parseAddr] gethostbyname_r(" + sAddr + ") error");
-
- // throw TC_Socket_Exception("[TC_Socket::parseAddr] gethostbyname_r(" + sAddr + ") error", TC_Exception::getSystemCode());
- }
- else
- {
- stSinAddr = *(struct in_addr *) pstHostent->h_addr;
- }
- }
- #else
- else if(iRet == 0)
- {
- struct addrinfo *ailist;
- struct addrinfo hints;
- memset(&hints, 0, sizeof(hints));
- hints.ai_family = PF_UNSPEC;
- hints.ai_socktype = SOCK_STREAM;
- int err = getaddrinfo(sAddr.c_str(), NULL, &hints, &ailist);
- if (err != 0)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::parseAddr] getaddrinfo(" + sAddr + ") error");
- }
- else
- {
- for (addrinfo *aip = ailist; aip != NULL; aip = aip->ai_next) {
- if (aip->ai_family == AF_INET) {
- stSinAddr = ((struct sockaddr_in *)aip->ai_addr)->sin_addr;
- break;
- }
- }
- freeaddrinfo(ailist);
- }
- }
- #endif
- }
- void TC_Socket::parseAddr(const string &host, struct in6_addr &stSinAddr)
- {
- int iRet = inet_pton(AF_INET6, host.c_str(), &stSinAddr);
- if(iRet < 0)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::parseAddr] inet_pton(" + host + ") error");
- }
- else if(iRet == 0)
- {
-
- struct addrinfo* info = 0;
- int retry = 5;
- struct addrinfo hints = { 0 };
- hints.ai_family=AF_INET6;
- hints.ai_socktype=SOCK_STREAM;
- hints.ai_flags = AI_NUMERICHOST | AI_PASSIVE;
- hints.ai_protocol=IPPROTO_TCP;
- int rs = 0;
- do
- {
- rs = getaddrinfo(host.c_str(), 0, &hints, &info);
- }
- while(info == 0 && rs == EAI_AGAIN && --retry >= 0);
- if(rs != 0)
- {
- ostringstream os;
- os << "DNSException ex:(" << TC_Exception::parseError(TC_Exception::getSystemCode()) << ")" << rs << ":" << host << ":" << __FILE__ << ":" << __LINE__;
- if(info != NULL)
- {
- freeaddrinfo(info);
- }
- throw TC_Socket_Exception(os.str());
- }
- assert(info != NULL);
- memcpy(&stSinAddr, info->ai_addr, sizeof(stSinAddr));
- freeaddrinfo(info);
- }
- }
- void TC_Socket::parseAddr(const addr_type& addr, string& host, uint16_t &port)
- {
- int iDomain;
- sockaddr_in6 *addr6;
- sockaddr_in *addr4;
- if (addr.second == sizeof(sizeof(struct sockaddr_in6)))
- {
- iDomain = AF_INET6;
- addr6 = (sockaddr_in6 *) addr.first.get();
- }
- else
- {
- iDomain = AF_INET;
- addr4 = (sockaddr_in *) addr.first.get();
- }
- char sAddr[INET6_ADDRSTRLEN] = "\0";
- inet_ntop(iDomain, (AF_INET6 == iDomain) ? (void *) &(addr6->sin6_addr) : (void *) &addr4->sin_addr, sAddr, sizeof(sAddr));
- host = sAddr;
- port = (AF_INET6 == iDomain) ? ntohs(addr6->sin6_port) : ntohs(addr4->sin_port);
- }
- TC_Socket::addr_type TC_Socket::createSockAddr(const char *str)
- {
- TC_Socket::addr_type addr;
- if (TC_Socket::addressIsIPv6(str))
- {
- addr.first.reset( (sockaddr *)new sockaddr_in6());
- addr.second = sizeof(struct sockaddr_in6);
- }
- else
- {
- addr.first.reset((sockaddr *) new sockaddr_in());
- addr.second = sizeof(struct sockaddr_in);
- }
- return addr;
- }
- void TC_Socket::parseAddrWithPort(const string& host, int port, struct sockaddr_in& addr)
- {
- memset(&addr, 0, sizeof(struct sockaddr_in));
- addr.sin_family = AF_INET;
- addr.sin_port = htons(port);
- if (host == "" || host == "0.0.0.0" || host == "*")
- {
- addr.sin_addr.s_addr = htonl(INADDR_ANY);
- }
- else {
- parseAddr(host, addr.sin_addr);
- }
- }
- void TC_Socket::parseAddrWithPort(const string& host, int port, struct sockaddr_in6& addr)
- {
- memset(&addr, 0, sizeof(struct sockaddr_in6));
- addr.sin6_family = AF_INET6;
- addr.sin6_port = htons(port);
- if (host == "")
- {
- addr.sin6_addr = in6addr_any;
- }
- else {
- parseAddr(host, addr.sin6_addr);
- }
- }
- void TC_Socket::bind(const string &sServerAddr, int port)
- {
- assert(_iDomain == AF_INET || _iDomain == AF_INET6);
- struct sockaddr_in6 bindAddr6;
- struct sockaddr_in bindAddr4;
- struct sockaddr *bindAddr = (AF_INET6 == _iDomain) ? (struct sockaddr *)&bindAddr6 : (struct sockaddr *)&bindAddr4;
- socklen_t len = (AF_INET6 == _iDomain) ? sizeof(bindAddr6) : sizeof(bindAddr4);
- bzero(bindAddr, len);
- if (AF_INET6 == _iDomain)
- {
- parseAddrWithPort(sServerAddr, port, bindAddr6);
- }
- else
- {
- parseAddrWithPort(sServerAddr, port, bindAddr4);
- }
- try
- {
- bind(bindAddr, len);
- }
- catch(const std::exception& e)
- {
- std::cerr << e.what() << ", " << sServerAddr << ":" << port << endl;
- throw e;
- }
-
- }
- void TC_Socket::bind(const struct sockaddr *pstBindAddr, SOCKET_LEN_TYPE iAddrLen)
- {
- //如果服务器终止后,服务器可以第二次快速启动而不用等待一段时间
- int iReuseAddr = 1;
- setSockOpt(SO_REUSEADDR, (const void *)&iReuseAddr, sizeof(int), SOL_SOCKET);
- if(::bind(_sock, pstBindAddr, iAddrLen) < 0)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::bind] bind error");
- }
- }
- void TC_Socket::close()
- {
- if (_sock != INVALID_SOCKET)
- {
- TC_Port::closeSocket(_sock);
- // ::close(_sock);
- _sock = INVALID_SOCKET;
- }
- }
- int TC_Socket::connectNoThrow(const string &sServerAddr, uint16_t port)
- {
- assert(_iDomain == AF_INET || _iDomain == AF_INET6);
- if (sServerAddr == "")
- {
- throw TC_Socket_Exception("[TC_Socket::connect] server address is empty error!");
- }
- struct sockaddr_in6 serverAddr6;
- struct sockaddr_in serverAddr4;
- struct sockaddr *serverAddr = (AF_INET6 == _iDomain) ? (struct sockaddr *)&serverAddr6 : (struct sockaddr *)&serverAddr4;
- socklen_t len = (AF_INET6 == _iDomain) ? sizeof(serverAddr6) : sizeof(serverAddr4);
- bzero(serverAddr, len);
- if (AF_INET6 == _iDomain)
- {
- serverAddr6.sin6_family = _iDomain;
- parseAddr(sServerAddr, serverAddr6.sin6_addr);
- serverAddr6.sin6_port = htons(port);
- }
- else
- {
- serverAddr4.sin_family = _iDomain;
- parseAddr(sServerAddr, serverAddr4.sin_addr);
- serverAddr4.sin_port = htons(port);
- }
- return connect(serverAddr, len);
- }
- int TC_Socket::connectNoThrow(const struct sockaddr* addr)
- {
- assert(_iDomain == AF_INET || _iDomain == AF_INET6);
- return connect(addr, (AF_INET6 == _iDomain) ? sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in));
- }
- void TC_Socket::connect(const string &sServerAddr, uint16_t port)
- {
- int ret = connectNoThrow(sServerAddr, port);
- if(ret < 0)
- {
- THROW_EXCEPTION_SYSCODE(TC_SocketConnect_Exception, "[TC_Socket::connect] connect error");
- }
- }
- int TC_Socket::connect(const struct sockaddr *pstServerAddr, SOCKET_LEN_TYPE serverLen)
- {
- return ::connect(_sock, pstServerAddr, serverLen);
- }
- void TC_Socket::listen(int iConnBackLog)
- {
- if (::listen(_sock, iConnBackLog) < 0)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::listen] listen error");
- }
- }
- int TC_Socket::recv(void *pvBuf, size_t iLen, int iFlag)
- {
- return ::recv(_sock, (char*)pvBuf, (int)iLen, iFlag);
- }
- int TC_Socket::send(const void *pvBuf, size_t iLen, int iFlag)
- {
- return ::send(_sock, (char*)pvBuf, (int)iLen, iFlag);
- }
- int TC_Socket::recvfrom(void *pvBuf, size_t iLen, string &sFromAddr, uint16_t &iFromPort, int iFlags)
- {
- int iBytes;
- struct sockaddr_in6 stFromAddr6;
- struct sockaddr_in stFromAddr4;
- struct sockaddr *stFromAddr = (AF_INET6 == _iDomain) ? (struct sockaddr *)&stFromAddr6 : (struct sockaddr *)&stFromAddr4;
- socklen_t iFromLen = (AF_INET6 == _iDomain) ? sizeof(stFromAddr6) : sizeof(stFromAddr4);
- bzero(stFromAddr, iFromLen);
- iBytes = recvfrom(pvBuf, iLen, stFromAddr, iFromLen, iFlags);
- if (iBytes >= 0)
- {
- char sAddr[INET6_ADDRSTRLEN] = "\0";
- inet_ntop(_iDomain, (AF_INET6 == _iDomain) ? (void *)&stFromAddr6.sin6_addr : (void *)&stFromAddr4.sin_addr, sAddr, sizeof(sAddr));
- sFromAddr = sAddr;
- iFromPort = (AF_INET6 == _iDomain) ? ntohs(stFromAddr6.sin6_port) : ntohs(stFromAddr4.sin_port);
- }
- return iBytes;
- }
- int TC_Socket::recvfrom(void *pvBuf, size_t iLen, struct sockaddr *pstFromAddr, SOCKET_LEN_TYPE &iFromLen, int iFlags)
- {
- return ::recvfrom(_sock, (char*)pvBuf, (int)iLen, iFlags, pstFromAddr, &iFromLen);
- }
- int TC_Socket::sendto(const void *pvBuf, size_t iLen, const string &sToAddr, uint16_t port, int iFlags)
- {
- struct sockaddr_in6 toAddr6;
- struct sockaddr_in toAddr4;
- struct sockaddr *toAddr = (AF_INET6 == _iDomain) ? (struct sockaddr *)&toAddr6 : (struct sockaddr *)&toAddr4;
- socklen_t len = (AF_INET6 == _iDomain) ? sizeof(toAddr6) : sizeof(toAddr4);
- bzero(toAddr, len);
- if (AF_INET6 == _iDomain)
- {
- toAddr6.sin6_family = _iDomain;
- if (sToAddr == "")
- {
- //toAddr.sin6_addr = in6addr_linklocal_allrouters;
- }
- else
- {
- parseAddr(sToAddr, toAddr6.sin6_addr);
- }
- toAddr6.sin6_port = htons(port);
- }
- else
- {
- toAddr4.sin_family = _iDomain;
- if (sToAddr == "")
- {
- toAddr4.sin_addr.s_addr = htonl(INADDR_BROADCAST);
- }
- else
- {
- parseAddr(sToAddr, toAddr4.sin_addr);
- }
- toAddr4.sin_port = htons(port);
- }
- return sendto(pvBuf, iLen, toAddr, len, iFlags);
- }
- int TC_Socket::sendto(const void *pvBuf, size_t iLen, struct sockaddr *pstToAddr, SOCKET_LEN_TYPE iToLen, int iFlags)
- {
- return ::sendto(_sock, (char*)pvBuf, (int)iLen, iFlags, pstToAddr, iToLen);
- }
- void TC_Socket::shutdown(int iHow)
- {
- if (::shutdown(_sock, iHow) < 0)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::shutdown] shutdown error");
- }
- }
- void TC_Socket::setblock(bool bBlock)
- {
- assert(_sock != INVALID_SOCKET);
- setblock(_sock, bBlock);
- }
- int TC_Socket::setSockOpt(int opt, const void *pvOptVal, SOCKET_LEN_TYPE optLen, int level)
- {
- return setsockopt(_sock, level, opt, (const char*)pvOptVal, optLen);
- }
- int TC_Socket::getSockOpt(int opt, void *pvOptVal, SOCKET_LEN_TYPE &optLen, int level) const
- {
- return getsockopt(_sock, level, opt, (char*)pvOptVal, &optLen);
- }
- void TC_Socket::setNoCloseWait()
- {
- linger stLinger;
- stLinger.l_onoff = 1; //在close socket调用后, 但是还有数据没发送完毕的时候容许逗留
- stLinger.l_linger = 0; //容许逗留的时间为0秒
- if(setSockOpt(SO_LINGER, (const void *)&stLinger, sizeof(linger), SOL_SOCKET) == -1)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::setNoCloseWait] error");
- }
- }
- void TC_Socket::setReuseAddr()
- {
- int iReuseAddr = 1;
- if (setSockOpt(SO_REUSEADDR, (const void *) &iReuseAddr, sizeof(int), SOL_SOCKET) == -1)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::setReuseAddr] error");
- // throw TC_Socket_Exception("[TC_Socket::setNoCloseWait] error", TC_Exception::getSystemCode());
- }
- }
- void TC_Socket::setCloseWait(int delay)
- {
- linger stLinger;
- stLinger.l_onoff = 1; //在close socket调用后, 但是还有数据没发送完毕的时候容许逗留
- stLinger.l_linger = delay; //容许逗留的时间为delay秒
- if(setSockOpt(SO_LINGER, (const void *)&stLinger, sizeof(linger), SOL_SOCKET) == -1)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::setCloseWait] error");
- // throw TC_Socket_Exception("[TC_Socket::setCloseWait] error", TC_Exception::getSystemCode());
- }
- }
- void TC_Socket::setCloseWaitDefault()
- {
- linger stLinger;
- stLinger.l_onoff = 0;
- stLinger.l_linger = 0;
- if(setSockOpt(SO_LINGER, (const void *)&stLinger, sizeof(linger), SOL_SOCKET) == -1)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::setCloseWaitDefault] error");
- }
- }
- void TC_Socket::setTcpNoDelay()
- {
- int flag = 1;
- if(setSockOpt(TCP_NODELAY, (char*)&flag, int(sizeof(int)), IPPROTO_TCP) == -1)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::setTcpNoDelay] error");
- }
- }
- void TC_Socket::setKeepAlive()
- {
- int flag = 1;
- if(setSockOpt(SO_KEEPALIVE, (char*)&flag, int(sizeof(int)), SOL_SOCKET) == -1)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::setKeepAlive] error");
- }
- }
- void TC_Socket::setSendBufferSize(int sz)
- {
- if(setSockOpt(SO_SNDBUF, (char*)&sz, int(sizeof(int)), SOL_SOCKET) == -1)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::setKeepsetSendBufferSizeAlive] error");
- }
- }
- int TC_Socket::getSendBufferSize() const
- {
- int sz;
- SOCKET_LEN_TYPE len = sizeof(sz);
- if (getSockOpt(SO_SNDBUF, (void*)&sz, len, SOL_SOCKET) == -1 || len != sizeof(sz))
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::getSendBufferSize] error");
- }
- return sz;
- }
- void TC_Socket::setRecvBufferSize(int sz)
- {
- if(setSockOpt(SO_RCVBUF, (char*)&sz, int(sizeof(int)), SOL_SOCKET) == -1)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::setRecvBufferSize] error");
- }
- }
- int TC_Socket::getRecvBufferSize() const
- {
- int sz;
- SOCKET_LEN_TYPE len = sizeof(sz);
- if (getSockOpt(SO_RCVBUF, (void*)&sz, len, SOL_SOCKET) == -1 || len != sizeof(sz))
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::getRecvBufferSize] error");
- }
- return sz;
- }
- void TC_Socket::ignoreSigPipe() {
- #ifdef TARGET_PLATFORM_IOS
- int set = 1;
- if (setSockOpt(SO_NOSIGPIPE, (char*)&set, int(sizeof(int)), SOL_SOCKET) == -1)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::ignoreSigPipe] error");
- }
- #endif
- }
- void TC_Socket::setblock(SOCKET_TYPE fd, bool bBlock)
- {
- #if TARGET_PLATFORM_LINUX||TARGET_PLATFORM_IOS
- int val = 0;
- if ((val = fcntl(fd, F_GETFL, 0)) == -1)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::setblock] fcntl [F_GETFL] error");
- // throw TC_Socket_Exception("[TC_Socket::setblock] fcntl [F_GETFL] error", TC_Exception::getSystemCode());
- }
- if (!bBlock)
- {
- val |= O_NONBLOCK;
- }
- else
- {
- val &= ~O_NONBLOCK;
- }
- if (fcntl(fd, F_SETFL, val) == -1)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::setblock] fcntl [F_SETFL] error");
- }
- #else
- unsigned long ul = bBlock ? 0 : 1;
-
- int ret;
- ret = ioctlsocket(fd, FIONBIO, (unsigned long *)&ul);
- if (ret == SOCKET_ERROR)
- {
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::setblock] ioctlsocket [FIONBIO] error");
- }
- #endif
- }
- void TC_Socket::createPipe(int fds[2], bool bBlock)
- {
- int tcp1, tcp2;
- sockaddr_in name;
- memset(&name, 0, sizeof(name));
- name.sin_family = AF_INET;
- name.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
- SOCKET_LEN_TYPE namelen = sizeof(name);
- tcp1 = tcp2 = -1;
- int tcp = socket(AF_INET, SOCK_STREAM, 0);
- if (tcp == -1) {
- goto clean;
- }
- if (::bind(tcp, (sockaddr*)&name, namelen) == -1) {
- goto clean;
- }
- if (::listen(tcp, 5) == -1) {
- goto clean;
- }
- if (getsockname(tcp, (sockaddr*)&name, &namelen) == -1) {
- goto clean;
- }
- tcp1 = socket(AF_INET, SOCK_STREAM, 0);
- if (tcp1 == -1) {
- goto clean;
- }
- if (-1 == ::connect(tcp1, (sockaddr*)&name, namelen)) {
- goto clean;
- }
- tcp2 = ::accept(tcp, (sockaddr*)&name, &namelen);
- if (tcp2 == -1) {
- goto clean;
- }
- fds[0] = tcp1;
- fds[1] = tcp2;
- try
- {
- #ifdef TARGET_PLATFORM_IOS
- int set = 1;
- setsockopt(tcp1, SOL_SOCKET, SO_NOSIGPIPE, (void*)&set, sizeof(int));
- setsockopt(tcp2, SOL_SOCKET, SO_NOSIGPIPE, (void*)&set, sizeof(int));
- #endif
- setblock(fds[0], bBlock);
- setblock(fds[1], bBlock);
- }
- catch (...)
- {
- goto clean;
- }
- // #if TARGET_PLATFORM_LINUX||TARGET_PLATFORM_IOS
- // #define closesocket ::close
- // #endif
- if (TC_Port::closeSocket(tcp) == -1) {
- goto clean;
- }
- return;
-
- clean:
- if (tcp != -1) {
- TC_Port::closeSocket(tcp);
- }
- if (tcp2 != -1) {
- TC_Port::closeSocket(tcp2);
- }
- if (tcp1 != -1) {
- TC_Port::closeSocket(tcp1);
- }
- // #if TARGET_PLATFORM_LINUX||TARGET_PLATFORM_IOS
- // #undef closesocket
- // #endif
- THROW_EXCEPTION_SYSCODE(TC_Socket_Exception, "[TC_Socket::createPipe] error");
- }
- #if TARGET_PLATFORM_LINUX
- vector<string> TC_Socket::getLocalHosts(int domain)
- {
- vector<string> result;
- TC_Socket ts;
- ts.createSocket(SOCK_STREAM, domain);
- int cmd = SIOCGIFCONF;
- struct ifconf ifc;
- int numaddrs = 10;
- int old_ifc_len = 0;
- while(true)
- {
- int bufsize = numaddrs * static_cast<int>(sizeof(struct ifreq));
- ifc.ifc_len = bufsize;
- ifc.ifc_buf = (char*)malloc(bufsize);
- int rs = ioctl(ts.getfd(), cmd, &ifc);
- if(rs == -1)
- {
- free(ifc.ifc_buf);
- throw TC_Socket_Exception("[TC_Socket::getLocalHosts] ioctl error", errno);
- }
- else if(ifc.ifc_len == old_ifc_len)
- {
- break;
- }
- else
- {
- old_ifc_len = ifc.ifc_len;
- }
- numaddrs += 10;
- free(ifc.ifc_buf);
- }
- numaddrs = ifc.ifc_len / static_cast<int>(sizeof(struct ifreq));
- struct ifreq* ifr = ifc.ifc_req;
- for(int i = 0; i < numaddrs; ++i)
- {
- if(ifr[i].ifr_addr.sa_family == AF_INET)
- {
- struct sockaddr_in* addr = reinterpret_cast<struct sockaddr_in*>(&ifr[i].ifr_addr);
- if(addr->sin_addr.s_addr != 0)
- {
- char sAddr[INET_ADDRSTRLEN] = "\0";
- inet_ntop(AF_INET, &(*addr).sin_addr, sAddr, sizeof(sAddr));
- result.push_back(sAddr);
- }
- }
- else if (ifr[i].ifr_addr.sa_family == AF_INET6)
- {
- struct sockaddr_in6* addr = reinterpret_cast<struct sockaddr_in6*>(&ifr[i].ifr_addr);
- if(!memcmp(&addr->sin6_addr, &in6addr_any, sizeof(addr->sin6_addr)))
- {
- char sAddr[INET6_ADDRSTRLEN] = "\0";
- inet_ntop(AF_INET6, &(*addr).sin6_addr, sAddr, sizeof(sAddr));
- result.push_back(sAddr);
- }
- }
- }
- free(ifc.ifc_buf);
- return result;
- }
- #elif TARGET_PLATFORM_IOS
- vector<string> TC_Socket::getLocalHosts(int domain)
- {
- vector<string> hosts;
- char local[255] = { 0 };
- gethostname(local, sizeof(local));
- hostent* ph = gethostbyname(local);
- if (ph == NULL)
- {
- return hosts;
- }
- in_addr addr;
- if (ph->h_addrtype == AF_INET)
- {
- int i = 0;
- while (ph->h_addr_list[i] != 0)
- {
- addr.s_addr = *(u_long*)ph->h_addr_list[i++];
- hosts.emplace_back(inet_ntoa(addr));
- }
- }
- else
- {
- // unsupport AF_INET6 ...
- return hosts;
- }
- return hosts;
- }
- #endif
- #if TARGET_PLATFORM_WINDOWS
- vector<string> TC_Socket::getLocalHosts(int domain)
- {
- vector<string> hosts;
- WORD wVersionRequested = MAKEWORD(2, 2);
- WSADATA wsaData;
- if (WSAStartup(wVersionRequested, &wsaData) != 0)
- {
- return hosts;
- }
- char local[255] = { 0 };
- gethostname(local, sizeof(local));
- hostent* ph = gethostbyname(local);
- if (ph == NULL)
- {
- return hosts;
- }
- in_addr addr;
- if (ph->h_addrtype == AF_INET)
- {
- int i = 0;
- while (ph->h_addr_list[i] != 0)
- {
- addr.s_addr = *(u_long*)ph->h_addr_list[i++];
- hosts.emplace_back(inet_ntoa(addr));
- }
- }
- else
- {
- // unsupport AF_INET6 ...
- return hosts;
- }
- WSACleanup();
- return hosts;
- }
- #endif
- bool TC_Socket::isPending()
- {
- #if TARGET_PLATFORM_WINDOWS
- return TC_Exception::getSystemCode() == WSAEWOULDBLOCK;
- #else
- return TC_Exception::getSystemCode() == EAGAIN;
- #endif
- }
- bool TC_Socket::isInProgress()
- {
- #if TARGET_PLATFORM_WINDOWS
- return TC_Exception::getSystemCode() == WSAEWOULDBLOCK;
- #else
- return TC_Exception::getSystemCode() == EINPROGRESS;
- #endif
- }
- }
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