mirror of https://github.com/aria2/aria2
111 lines
2.8 KiB
C++
111 lines
2.8 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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,
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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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*
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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 Street, Fifth Floor, Boston, 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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* 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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/* copyright --> */
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#ifndef D_COMMAND_H
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#define D_COMMAND_H
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#include "common.h"
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namespace aria2 {
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typedef int64_t cuid_t;
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class Command {
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public:
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enum STATUS {
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STATUS_ALL,
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STATUS_INACTIVE,
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STATUS_ACTIVE,
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STATUS_REALTIME,
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STATUS_ONESHOT_REALTIME
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};
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private:
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cuid_t cuid_;
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STATUS status_;
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bool readEvent_;
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bool writeEvent_;
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bool errorEvent_;
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bool hupEvent_;
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protected:
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bool readEventEnabled() const { return readEvent_; }
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bool writeEventEnabled() const { return writeEvent_; }
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bool errorEventEnabled() const { return errorEvent_; }
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bool hupEventEnabled() const { return hupEvent_; }
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public:
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Command(cuid_t cuid);
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virtual ~Command() = default;
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virtual bool execute() = 0;
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cuid_t getCuid() const { return cuid_; }
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void setStatusActive() { status_ = STATUS_ACTIVE; }
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void setStatusInactive() { status_ = STATUS_INACTIVE; }
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void setStatusRealtime() { status_ = STATUS_REALTIME; }
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void setStatus(STATUS status);
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bool statusMatch(Command::STATUS statusFilter) const
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{
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return statusFilter <= status_;
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}
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void transitStatus();
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void readEventReceived();
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void writeEventReceived();
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void errorEventReceived();
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void hupEventReceived();
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void clearIOEvents();
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};
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} // namespace aria2
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#endif // D_COMMAND_H
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