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137 lines
4.5 KiB
137 lines
4.5 KiB
/*
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* This file is part of the KFTPGrabber project
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*
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* Copyright (C) 2003-2006 by the KFTPGrabber developers
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* Copyright (C) 2003-2006 Jernej Kos <kostko@jweb-network.net>
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*
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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 as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
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* NON-INFRINGEMENT. See the GNU General Public License for more details.
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*
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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., 51 Franklin Steet, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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*
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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#ifndef COMMANDS_H
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#define COMMANDS_H
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#include "event.h"
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#define ENGINE_STANDARD_COMMAND_CONSTRUCTOR(class, type, cmd) public: \
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class(type *socket) : Commands::Base(socket, Commands::cmd), currentState(None) {} \
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private: \
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State currentState; \
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\
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type *socket() {\
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return static_cast<type*>(m_socket);\
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}\
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public:
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#define ENGINE_CANCELLATION_POINT { if (isDestructable()) \
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return; }
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#define setupCommandClass(class) if (m_cmdData) \
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delete m_cmdData; \
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m_cmdData = new class(this);
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#define chainCommandClass(class) Commands::Base *_cmd = new class(socket()); \
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socket()->addToCommandChain(_cmd); \
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socket()->nextCommand(); \
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return;
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#define activateCommandClass(class) if (m_cmdData) { \
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Commands::Base *_cmd = new class(this); \
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addToCommandChain(_cmd); \
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nextCommand(); \
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} else { \
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m_cmdData = new class(this); \
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m_cmdData->process(); \
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}
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namespace KFTPEngine {
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class Socket;
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namespace Commands {
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enum Type {
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CmdNone,
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CmdNext,
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// Actual commands
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CmdConnect,
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CmdConnectRetry,
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CmdDisconnect,
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CmdList,
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CmdScan,
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CmdGet,
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CmdPut,
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CmdDelete,
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CmdRename,
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CmdMkdir,
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CmdChmod,
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CmdRaw,
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CmdFxp,
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CmdKeepAlive
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};
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class Base {
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public:
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Base(Socket *socket, Type type);
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void setProcessing(bool value);
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bool isProcessing() { return m_processing > 0; }
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void autoDestruct(ResetCode code);
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bool isDestructable() { return m_autoDestruct && !isProcessing(); }
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ResetCode resetCode() { return m_resetCode; }
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bool isClean() { return m_clean; }
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Type command() { return m_command; }
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bool isWakeup() { return m_wakeupEvent != 0; }
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virtual void wakeup(WakeupEvent *event);
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virtual void process() = 0;
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virtual void cleanup() {}
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protected:
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void markClean() { m_clean = true; }
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protected:
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Type m_command;
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Socket *m_socket;
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WakeupEvent *m_wakeupEvent;
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int m_processing;
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bool m_autoDestruct;
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ResetCode m_resetCode;
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bool m_clean;
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};
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}
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}
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#endif
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