*Backed out changeset 3be01fb200a5
--HG-- branch : trunk
This commit is contained in:
maximius
@@ -4,40 +4,50 @@
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**/
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/*
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Copyright (C) 2004-2007 Anders Hedstrom
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This library is made available under the terms of the GNU GPL.
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If you would like to use this library in a closed-source application,
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a separate license agreement is available. For information about
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the closed-source license agreement for the C++ sockets library,
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please visit http://www.alhem.net/Sockets/license.html and/or
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email [email protected].
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _SOCKETS_SocketHandler_H
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#define _SOCKETS_SocketHandler_H
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#include "sockets-config.h"
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#include <map>
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#include <list>
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#include "socket_include.h"
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#include "ISocketHandler.h"
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#ifdef SOCKETS_NAMESPACE
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namespace SOCKETS_NAMESPACE {
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#endif
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class Socket;
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#ifdef ENABLE_RESOLVER
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class ResolvServer;
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#endif
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class Mutex;
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/** Socket container class, event generator.
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\ingroup basic */
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class SocketHandler : public ISocketHandler
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@@ -45,43 +55,60 @@ class SocketHandler : public ISocketHandler
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protected:
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/** Map type for holding file descriptors/socket object pointers. */
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typedef std::map<SOCKET,Socket *> socket_m;
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public:
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/** SocketHandler constructor.
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\param log Optional log class pointer */
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SocketHandler(StdLog *log = NULL);
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/** SocketHandler threadsafe constructor.
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\param mutex Externally declared mutex variable
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\param log Optional log class pointer */
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SocketHandler(Mutex& mutex,StdLog *log = NULL);
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~SocketHandler();
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/** Get mutex reference for threadsafe operations. */
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Mutex& GetMutex() const;
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/** Register StdLog object for error callback.
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\param log Pointer to log class */
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void RegStdLog(StdLog *log);
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/** Log error to log class for print out / storage. */
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void LogError(Socket *p,const std::string& user_text,int err,const std::string& sys_err,loglevel_t t = LOG_LEVEL_WARNING);
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/** Add socket instance to socket map. Removal is always automatic. */
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void Add(Socket *);
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/** Get status of read/write/exception file descriptor set for a socket. */
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void Get(SOCKET s,bool& r,bool& w,bool& e);
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/** Set read/write/exception file descriptor sets (fd_set). */
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void Set(SOCKET s,bool bRead,bool bWrite,bool bException = true);
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/** Wait for events, generate callbacks. */
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int Select(long sec,long usec);
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/** This method will not return until an event has been detected. */
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int Select();
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/** Wait for events, generate callbacks. */
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int Select(struct timeval *tsel);
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/** Check that a socket really is handled by this socket handler. */
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bool Valid(Socket *);
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/** Return number of sockets handled by this handler. */
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size_t GetCount();
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/** Override and return false to deny all incoming connections.
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\param p ListenSocket class pointer (use GetPort to identify which one) */
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bool OkToAccept(Socket *p);
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/** Called by Socket when a socket changes state. */
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void AddList(SOCKET s,list_t which_one,bool add);
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// Connection pool
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#ifdef ENABLE_POOL
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/** Find available open connection (used by connection pool). */
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@@ -92,6 +119,7 @@ public:
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\return true if connection pool is enabled */
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bool PoolEnabled();
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#endif // ENABLE_POOL
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// Socks4
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#ifdef ENABLE_SOCKS4
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/** Set socks4 server ip that all new tcp sockets should use. */
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@@ -117,6 +145,7 @@ public:
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\return true if direct connection should be tried if connection to socks4 server fails */
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bool Socks4TryDirect();
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#endif // ENABLE_SOCKS4
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// DNS resolve server
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#ifdef ENABLE_RESOLVER
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/** Enable asynchronous DNS.
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@@ -144,6 +173,7 @@ public:
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/** Returns true if the socket is waiting for a resolve event. */
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bool Resolving(Socket *);
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#endif // ENABLE_RESOLVER
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#ifdef ENABLE_TRIGGERS
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/** Fetch unique trigger id. */
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int TriggerID(Socket *src);
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@@ -158,22 +188,27 @@ public:
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Leave them in place if 'false' - if a trigger should be called many times */
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void Trigger(int id, Socket::TriggerData& data, bool erase = true);
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#endif // ENABLE_TRIGGERS
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#ifdef ENABLE_DETACH
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/** Indicates that the handler runs under SocketThread. */
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void SetSlave(bool x = true);
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/** Indicates that the handler runs under SocketThread. */
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bool IsSlave();
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#endif
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/** Sanity check of those accursed lists. */
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void CheckSanity();
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protected:
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socket_m m_sockets; ///< Active sockets map
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socket_m m_add; ///< Sockets to be added to sockets map
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std::list<Socket *> m_delete; ///< Sockets to be deleted (failed when Add)
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protected:
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StdLog *m_stdlog; ///< Registered log class, or NULL
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Mutex& m_mutex; ///< Thread safety mutex
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bool m_b_use_mutex; ///< Mutex correctly initialized
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private:
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void CheckList(socket_v&,const std::string&); ///< Used by CheckSanity
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/** Remove socket from socket map, used by Socket class. */
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@@ -185,6 +220,7 @@ private:
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int m_preverror; ///< debug select() error
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int m_errcnt; ///< debug select() error
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time_t m_tlast; ///< timeout control
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// state lists
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socket_v m_fds; ///< Active file descriptor list
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socket_v m_fds_erase; ///< File descriptors that are to be erased from m_sockets
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@@ -195,6 +231,7 @@ private:
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socket_v m_fds_timeout; ///< checklist timeout
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socket_v m_fds_retry; ///< checklist retry client connect
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socket_v m_fds_close; ///< checklist close and delete
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#ifdef ENABLE_SOCKS4
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ipaddr_t m_socks4_host; ///< Socks4 server host ip
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port_t m_socks4_port; ///< Socks4 server port number
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@@ -220,8 +257,11 @@ private:
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#endif
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};
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#ifdef SOCKETS_NAMESPACE
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}
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#endif
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#endif // _SOCKETS_SocketHandler_H
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