summaryrefslogtreecommitdiff
path: root/src/RequestGroupMan.h
blob: a78de75e690675e00b1e431e5c133be402b3349b (plain)
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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/* <!-- copyright */
/*
 * aria2 - The high speed download utility
 *
 * Copyright (C) 2006 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 --> */
#ifndef _D_REQUEST_GROUP_MAN_H_
#define _D_REQUEST_GROUP_MAN_H_

#include "common.h"
#include "RequestGroup.h"
#include "LogFactory.h"

class DownloadEngine;

class RequestGroupMan {
private:
  RequestGroups _requestGroups;
  RequestGroups _reservedGroups;
  const Logger* _logger;
  int32_t _maxSimultaneousDownloads;
  int32_t _gidCounter;
public:
  RequestGroupMan(const RequestGroups& requestGroups = RequestGroups(), int32_t maxSimultaneousDownloads = 1):
    _requestGroups(requestGroups),
    _logger(LogFactory::getInstance()),
    _maxSimultaneousDownloads(maxSimultaneousDownloads),
    _gidCounter(0) {}

  bool downloadFinished()
  {
    for(RequestGroups::iterator itr = _requestGroups.begin();
	itr != _requestGroups.end(); ++itr) {
      if((*itr)->numConnection > 0 || !(*itr)->getSegmentMan()->finished()) {
	return false;
      }
    }
    return true;
  }

  void save()
  {
    for(RequestGroups::iterator itr = _requestGroups.begin();
	itr != _requestGroups.end(); ++itr) {
      if(!(*itr)->getSegmentMan()->finished()) {
	(*itr)->getSegmentMan()->save();
      }
    }
  }

  void closeFile()
  {
    for(RequestGroups::iterator itr = _requestGroups.begin();
	itr != _requestGroups.end(); ++itr) {
      (*itr)->getSegmentMan()->diskWriter->closeFile();
    }
  }
  
  int64_t getDownloadLength() const
  {
    int64_t downloadLength = 0;
    for(RequestGroups::const_iterator itr = _requestGroups.begin();
	itr != _requestGroups.end(); ++itr) {
      downloadLength += (*itr)->getSegmentMan()->getDownloadLength();
    }
    return downloadLength;
  }

  int64_t getTotalLength() const
  {
    int64_t totalLength = 0;
    for(RequestGroups::const_iterator itr = _requestGroups.begin();
	itr != _requestGroups.end(); ++itr) {
      totalLength += (*itr)->getSegmentMan()->totalSize;
    }
    return totalLength;
  }

  Commands getInitialCommands(DownloadEngine* e);

  void removeStoppedGroup();

  void fillRequestGroupFromReserver(DownloadEngine* e);

  void addRequestGroup(const RequestGroupHandle& group)
  {
    _requestGroups.push_back(group);
  }

  void addReservedGroup(const RequestGroups& groups)
  {
    _reservedGroups.insert(_reservedGroups.end(), groups.begin(), groups.end());
  }

  void addReservedGroup(const RequestGroupHandle& group)
  {
    _reservedGroups.push_back(group);
  }

  int32_t countRequestGroup() const
  {
    return _requestGroups.size();
  }
		  
  RequestGroupHandle getRequestGroup(int32_t index) const
  {
    if(index < (int32_t)_requestGroups.size()) {
      return _requestGroups[index];
    } else {
      return 0;
    }
  }
		  
  void showDownloadResults(ostream& o) const;

  int32_t getErrors() const
  {
    int32_t errors = 0;
    for(RequestGroups::const_iterator itr = _requestGroups.begin();
	itr != _requestGroups.end(); ++itr) {
      errors += (*itr)->getSegmentMan()->errors;
    }
    return errors;
  }

  bool isSameFileBeingDownloaded(RequestGroup* requestGroup) const;
};

typedef SharedHandle<RequestGroupMan> RequestGroupManHandle;

#endif // _D_REQUEST_GROUP_MAN_H_