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Diffstat (limited to 'src')
| -rw-r--r-- | src/syncListenSocket.h | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/src/syncListenSocket.h b/src/syncListenSocket.h deleted file mode 100644 index 9740ecf..0000000 --- a/src/syncListenSocket.h +++ /dev/null @@ -1,417 +0,0 @@ -/* -Copyright (C) 2004-2007 Anders Hedstrom - -This library is made available under the terms of the GNU GPL. - -If you would like to use this library in a closed-source application, -a separate license agreement is available. For information about -the closed-source license agreement for the C++ sockets library, -please visit http://www.alhem.net/Sockets/license.html and/or -email license@alhem.net. - -This program is free software; you can redistribute it and/or -modify it under the terms of the GNU General Public License -as published by the Free Software Foundation; either version 2 -of the License, or (at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -*/ -#ifndef _SOCKETS_SyncListenSocket_H -#define _SOCKETS_SyncListenSocket_H -#include "Sockets/sockets-config.h" - -#ifdef _WIN32 -#include <stdlib.h> -#else -#include <errno.h> -#endif - -#include "Sockets/ISocketHandler.h" -#include "Sockets/Socket.h" -#include "Sockets/Utility.h" -#include "Sockets/SctpSocket.h" -#include "Sockets/Ipv4Address.h" -#include "Sockets/Ipv6Address.h" -#ifdef ENABLE_EXCEPTIONS -#include "Sockets/Exception.h" -#endif - -#ifdef SOCKETS_NAMESPACE -namespace SOCKETS_NAMESPACE { -#endif - - -/** Binds incoming port number to new Socket class X. - \ingroup basic */ -template <class X,class Y> -class SyncListenSocket : public Socket -{ -public: - /** Constructor. - \param h ISocketHandler reference - \param use_creator Optional use of creator (default true) */ - SyncListenSocket(ISocketHandler& h, Y & y,bool use_creator = true) : Socket(h), m_depth(0), m_creator(NULL), - m_bHasCreate(false),y_(y) - { - if (use_creator) - { - m_creator = new X(h,y); - Socket *tmp = m_creator -> Create(); - if (tmp && dynamic_cast<X *>(tmp)) - { - m_bHasCreate = true; - } - if (tmp) - { - delete tmp; - } - } - } - ~SyncListenSocket() { - if (m_creator) - { - delete m_creator; - } - } - - /** Close file descriptor. */ - int Close() { - if (GetSocket() != INVALID_SOCKET) - { - closesocket(GetSocket()); - } - return 0; - } - - /** Bind and listen to any interface. - \param port Port (0 is random) - \param depth Listen queue depth */ - int Bind(port_t port,int depth = 20) { -#ifdef ENABLE_IPV6 -#ifdef IPPROTO_IPV6 - if (IsIpv6()) - { - Ipv6Address ad(port); - return Bind(ad, depth); - } - else -#endif -#endif - { - Ipv4Address ad(port); - return Bind(ad, depth); - } - } - - int Bind(SocketAddress& ad,int depth) { -#ifdef USE_SCTP - if (dynamic_cast<SctpSocket *>(m_creator)) - { - return Bind(ad, "sctp", depth); - } -#endif - return Bind(ad, "tcp", depth); - } - - /** Bind and listen to any interface, with optional protocol. - \param port Port (0 is random) - \param protocol Network protocol - \param depth Listen queue depth */ - int Bind(port_t port,const std::string& protocol,int depth = 20) { -#ifdef ENABLE_IPV6 -#ifdef IPPROTO_IPV6 - if (IsIpv6()) - { - Ipv6Address ad(port); - return Bind(ad, protocol, depth); - } - else -#endif -#endif - { - Ipv4Address ad(port); - return Bind(ad, protocol, depth); - } - } - - /** Bind and listen to specific interface. - \param intf Interface hostname - \param port Port (0 is random) - \param depth Listen queue depth */ - int Bind(const std::string& intf,port_t port,int depth = 20) { -#ifdef ENABLE_IPV6 -#ifdef IPPROTO_IPV6 - if (IsIpv6()) - { - Ipv6Address ad(intf, port); - if (ad.IsValid()) - { - return Bind(ad, depth); - } - Handler().LogError(this, "Bind", 0, "name resolution of interface name failed", LOG_LEVEL_FATAL); - return -1; - } - else -#endif -#endif - { - Ipv4Address ad(intf, port); - if (ad.IsValid()) - { - return Bind(ad, depth); - } - Handler().LogError(this, "Bind", 0, "name resolution of interface name failed", LOG_LEVEL_FATAL); - return -1; - } - } - - /** Bind and listen to specific interface. - \param intf Interface hostname - \param port Port (0 is random) - \param protocol Network protocol - \param depth Listen queue depth */ - int Bind(const std::string& intf,port_t port,const std::string& protocol,int depth = 20) { -#ifdef ENABLE_IPV6 -#ifdef IPPROTO_IPV6 - if (IsIpv6()) - { - Ipv6Address ad(intf, port); - if (ad.IsValid()) - { - return Bind(ad, protocol, depth); - } - Handler().LogError(this, "Bind", 0, "name resolution of interface name failed", LOG_LEVEL_FATAL); - return -1; - } - else -#endif -#endif - { - Ipv4Address ad(intf, port); - if (ad.IsValid()) - { - return Bind(ad, protocol, depth); - } - Handler().LogError(this, "Bind", 0, "name resolution of interface name failed", LOG_LEVEL_FATAL); - return -1; - } - } - - /** Bind and listen to ipv4 interface. - \param a Ipv4 interface address - \param port Port (0 is random) - \param depth Listen queue depth */ - int Bind(ipaddr_t a,port_t port,int depth = 20) { - Ipv4Address ad(a, port); -#ifdef USE_SCTP - if (dynamic_cast<SctpSocket *>(m_creator)) - { - return Bind(ad, "sctp", depth); - } -#endif - return Bind(ad, "tcp", depth); - } - /** Bind and listen to ipv4 interface. - \param a Ipv4 interface address - \param port Port (0 is random) - \param protocol Network protocol - \param depth Listen queue depth */ - int Bind(ipaddr_t a,port_t port,const std::string& protocol,int depth) { - Ipv4Address ad(a, port); - return Bind(ad, protocol, depth); - } - -#ifdef ENABLE_IPV6 -#ifdef IPPROTO_IPV6 - /** Bind and listen to ipv6 interface. - \param a Ipv6 interface address - \param port Port (0 is random) - \param depth Listen queue depth */ - int Bind(in6_addr a,port_t port,int depth = 20) { - Ipv6Address ad(a, port); -#ifdef USE_SCTP - if (dynamic_cast<SctpSocket *>(m_creator)) - { - return Bind(ad, "sctp", depth); - } -#endif - return Bind(ad, "tcp", depth); - } - /** Bind and listen to ipv6 interface. - \param a Ipv6 interface address - \param port Port (0 is random) - \param protocol Network protocol - \param depth Listen queue depth */ - int Bind(in6_addr a,port_t port,const std::string& protocol,int depth) { - Ipv6Address ad(a, port); - return Bind(ad, protocol, depth); - } -#endif -#endif - - /** Bind and listen to network interface. - \param ad Interface address - \param protocol Network protocol - \param depth Listen queue depth */ - int Bind(SocketAddress& ad,const std::string& protocol,int depth) { - SOCKET s; - if ( (s = CreateSocket(ad.GetFamily(), SOCK_STREAM, protocol)) == INVALID_SOCKET) - { - return -1; - } - if (bind(s, ad, ad) == -1) - { - Handler().LogError(this, "bind", Errno, StrError(Errno), LOG_LEVEL_FATAL); - closesocket(s); -#ifdef ENABLE_EXCEPTIONS - throw Exception("bind() failed for port " + Utility::l2string(ad.GetPort()) + ": " + StrError(Errno)); -#endif - return -1; - } - if (listen(s, depth) == -1) - { - Handler().LogError(this, "listen", Errno, StrError(Errno), LOG_LEVEL_FATAL); - closesocket(s); -#ifdef ENABLE_EXCEPTIONS - throw Exception("listen() failed for port " + Utility::l2string(ad.GetPort()) + ": " + StrError(Errno)); -#endif - return -1; - } - m_depth = depth; - Attach(s); - return 0; - } - - /** Return assigned port number. */ - port_t GetPort() - { - return GetSockPort(); - } - - /** Return listen queue depth. */ - int GetDepth() - { - return m_depth; - } - - /** OnRead on a ListenSocket receives an incoming connection. */ - void OnRead() - { - struct sockaddr sa; - socklen_t sa_len = sizeof(struct sockaddr); - SOCKET a_s = accept(GetSocket(), &sa, &sa_len); - - if (a_s == INVALID_SOCKET) - { - Handler().LogError(this, "accept", Errno, StrError(Errno), LOG_LEVEL_ERROR); - return; - } - if (!Handler().OkToAccept(this)) - { - Handler().LogError(this, "accept", -1, "Not OK to accept", LOG_LEVEL_WARNING); - closesocket(a_s); - return; - } - if (Handler().GetCount() >= FD_SETSIZE) - { - Handler().LogError(this, "accept", (int)Handler().GetCount(), "ISocketHandler fd_set limit reached", LOG_LEVEL_FATAL); - closesocket(a_s); - return; - } - Socket *tmp = m_bHasCreate ? m_creator -> Create() : new X(Handler(),y_); -#ifdef ENABLE_IPV6 - tmp -> SetIpv6( IsIpv6() ); -#endif - tmp -> SetParent(this); - tmp -> Attach(a_s); - tmp -> SetNonblocking(true); - { -#ifdef ENABLE_IPV6 -#ifdef IPPROTO_IPV6 - if (sa_len == sizeof(struct sockaddr_in6)) - { - struct sockaddr_in6 *p = (struct sockaddr_in6 *)&sa; - if (p -> sin6_family == AF_INET6) - { - Ipv6Address ad(p -> sin6_addr,ntohs(p -> sin6_port)); - ad.SetFlowinfo(p -> sin6_flowinfo); -#ifndef _WIN32 - ad.SetScopeId(p -> sin6_scope_id); -#endif - tmp -> SetRemoteAddress(ad); - } - } -#endif -#endif - if (sa_len == sizeof(struct sockaddr_in)) - { - struct sockaddr_in *p = (struct sockaddr_in *)&sa; - if (p -> sin_family == AF_INET) - { - Ipv4Address ad(p -> sin_addr,ntohs(p -> sin_port)); - tmp -> SetRemoteAddress(ad); - } - } - } - tmp -> SetConnected(true); - tmp -> Init(); - tmp -> SetDeleteByHandler(true); - Handler().Add(tmp); -#ifdef HAVE_OPENSSL - if (tmp -> IsSSL()) // SSL Enabled socket - { - // %! OnSSLAccept calls SSLNegotiate that can finish in this one call. - // %! If that happens and negotiation fails, the 'tmp' instance is - // %! still added to the list of active sockets in the sockethandler. - // %! See bugfix for this in SocketHandler::Select - don't Set rwx - // %! flags if CloseAndDelete() flag is true. - // %! An even better fugbix (see TcpSocket::OnSSLAccept) now avoids - // %! the Add problem altogether, so ignore the above. - // %! (OnSSLAccept does no longer call SSLNegotiate().) - tmp -> OnSSLAccept(); - } - else -#endif - { - tmp -> OnAccept(); - } - } - - /** Please don't use this method. - "accept()" is handled automatically in the OnRead() method. */ - virtual SOCKET Accept(SOCKET socket, struct sockaddr *saptr, socklen_t *lenptr) - { - return accept(socket, saptr, lenptr); - } - - bool HasCreator() { return m_bHasCreate; } - - void OnOptions(int,int,int,SOCKET) { - SetSoReuseaddr(true); - } - -protected: - SyncListenSocket(const SyncListenSocket& s) : Socket(s) {} -private: - SyncListenSocket& operator=(const SyncListenSocket& ) { return *this; } - int m_depth; - X *m_creator; - bool m_bHasCreate; - Y & y_; -}; - - - -#ifdef SOCKETS_NAMESPACE -} -#endif - -#endif // _SOCKETS_SyncListenSocket_H - |