mirror of https://github.com/aria2/aria2
79 lines
2.6 KiB
C++
79 lines
2.6 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) 2010 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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#include "DHTTaskExecutor.h"
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#include <algorithm>
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#include "DHTTask.h"
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#include "Logger.h"
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#include "LogFactory.h"
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#include "a2functional.h"
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#include "fmt.h"
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namespace aria2 {
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DHTTaskExecutor::DHTTaskExecutor(int numConcurrent)
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: numConcurrent_(numConcurrent)
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{}
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DHTTaskExecutor::~DHTTaskExecutor() {}
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void DHTTaskExecutor::update()
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{
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execTasks_.erase(std::remove_if(execTasks_.begin(), execTasks_.end(),
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mem_fun_sh(&DHTTask::finished)),
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execTasks_.end());
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int r;
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if(static_cast<size_t>(numConcurrent_) > execTasks_.size()) {
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r = numConcurrent_-execTasks_.size();
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} else {
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r = 0;
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}
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while(r && !queue_.empty()) {
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SharedHandle<DHTTask> task = queue_.front();
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queue_.pop_front();
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task->startup();
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if(!task->finished()) {
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execTasks_.push_back(task);
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--r;
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}
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}
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A2_LOG_DEBUG(fmt("Executing %u Task(s). Queue has %u task(s).",
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static_cast<unsigned int>(getExecutingTaskSize()),
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static_cast<unsigned int>(getQueueSize())));
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}
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} // namespace aria2
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