1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2010 Tatsuhiro Tsujikawa
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "DHTTaskExecutor.h"
#include <algorithm>
#include "DHTTask.h"
#include "Logger.h"
#include "LogFactory.h"
#include "a2functional.h"
#include "fmt.h"
namespace aria2 {
DHTTaskExecutor::DHTTaskExecutor(int numConcurrent)
: numConcurrent_(numConcurrent)
{}
DHTTaskExecutor::~DHTTaskExecutor() {}
void DHTTaskExecutor::update()
{
execTasks_.erase(std::remove_if(execTasks_.begin(), execTasks_.end(),
std::mem_fn(&DHTTask::finished)),
execTasks_.end());
int r;
if(static_cast<size_t>(numConcurrent_) > execTasks_.size()) {
r = numConcurrent_-execTasks_.size();
} else {
r = 0;
}
while(r && !queue_.empty()) {
std::shared_ptr<DHTTask> task = queue_.front();
queue_.pop_front();
task->startup();
if(!task->finished()) {
execTasks_.push_back(task);
--r;
}
}
A2_LOG_DEBUG(fmt("Executing %u Task(s). Queue has %u task(s).",
static_cast<unsigned int>(getExecutingTaskSize()),
static_cast<unsigned int>(getQueueSize())));
}
} // namespace aria2
|
