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annotate deps/Platinum/Source/Core/PltDownloader.cpp @ 0:3425707ddbf6

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author fraserofthenight
date Mon, 06 Jul 2009 08:06:28 -0700
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1 /*****************************************************************
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2 |
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3 | Platinum - Downloader
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4 |
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5 | Copyright (c) 2004-2008, Plutinosoft, LLC.
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6 | All rights reserved.
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7 | http://www.plutinosoft.com
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8 |
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9 | This program is free software; you can redistribute it and/or
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10 | modify it under the terms of the GNU General Public License
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11 | as published by the Free Software Foundation; either version 2
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12 | of the License, or (at your option) any later version.
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13 |
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14 | OEMs, ISVs, VARs and other distributors that combine and
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15 | distribute commercially licensed software with Platinum software
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16 | and do not wish to distribute the source code for the commercially
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17 | licensed software under version 2, or (at your option) any later
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18 | version, of the GNU General Public License (the "GPL") must enter
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19 | into a commercial license agreement with Plutinosoft, LLC.
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20 |
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21 | This program is distributed in the hope that it will be useful,
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22 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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24 | GNU General Public License for more details.
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25 |
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26 | You should have received a copy of the GNU General Public License
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27 | along with this program; see the file LICENSE.txt. If not, write to
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28 | the Free Software Foundation, Inc.,
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29 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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30 | http://www.gnu.org/licenses/gpl-2.0.html
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31 |
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32 ****************************************************************/
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33
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34 /*----------------------------------------------------------------------
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35 | includes
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36 +---------------------------------------------------------------------*/
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37 #include "PltDownloader.h"
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38 #include "PltTaskManager.h"
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39
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40 /*----------------------------------------------------------------------
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41 | PLT_Downloader::PLT_Downloader
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42 +---------------------------------------------------------------------*/
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43 PLT_Downloader::PLT_Downloader(PLT_TaskManager* task_manager,
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44 const char* url,
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45 NPT_OutputStreamReference& output) :
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46 m_URL(url),
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47 m_Output(output),
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48 m_TaskManager(task_manager),
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49 m_Task(NULL),
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50 m_State(PLT_DOWNLOADER_IDLE)
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51 {
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52 }
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53
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54 /*----------------------------------------------------------------------
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55 | PLT_Downloader::~PLT_Downloader
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56 +---------------------------------------------------------------------*/
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57 PLT_Downloader::~PLT_Downloader()
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58 {
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59 Stop();
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60 }
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61
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62 /*----------------------------------------------------------------------
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63 | PLT_Downloader::Start
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64 +---------------------------------------------------------------------*/
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65 NPT_Result
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66 PLT_Downloader::Start()
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67 {
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68 Stop();
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69
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70 m_Task = new PLT_HttpDownloadTask(NPT_HttpUrl(m_URL), this);
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71 NPT_Result res = m_TaskManager->StartTask(m_Task, NULL, false);
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72 if (NPT_FAILED(res)) {
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73 m_State = PLT_DOWNLOADER_ERROR;
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74 return res;
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75 }
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76
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77 m_State = PLT_DOWNLOADER_STARTED;
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78 return NPT_SUCCESS;
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79 }
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80
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81 /*----------------------------------------------------------------------
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82 | PLT_Downloader::Stop
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83 +---------------------------------------------------------------------*/
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84 NPT_Result
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85 PLT_Downloader::Stop()
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86 {
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87 if (m_Task) {
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88 m_Task->Kill();
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89 m_Task = NULL;
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90 }
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91
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92 m_State = PLT_DOWNLOADER_IDLE;
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93 return NPT_SUCCESS;
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94 }
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95
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96 /*----------------------------------------------------------------------
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97 | PLT_Downloader::ProcessResponse
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98 +---------------------------------------------------------------------*/
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99 NPT_Result
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100 PLT_Downloader::ProcessResponse(NPT_Result res,
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101 NPT_HttpRequest* request,
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102 const NPT_HttpRequestContext& context,
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103 NPT_HttpResponse* response)
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104 {
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105 NPT_COMPILER_UNUSED(request);
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106 NPT_COMPILER_UNUSED(context);
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107
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108 if (NPT_FAILED(res)) {
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109 m_State = PLT_DOWNLOADER_ERROR;
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110 return res;
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111 }
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112
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113 m_State = PLT_DOWNLOADER_DOWNLOADING;
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114
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115 NPT_HttpEntity* entity;
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116 NPT_InputStreamReference body;
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117 if (!response || !(entity = response->GetEntity()) || NPT_FAILED(entity->GetInputStream(body))) {
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118 m_State = PLT_DOWNLOADER_ERROR;
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119 return NPT_FAILURE;
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120 }
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121
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122 // Read body (no content length means until socket is closed)
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123 res = NPT_StreamToStreamCopy(*body.AsPointer(),
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124 *m_Output.AsPointer(),
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125 0,
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126 entity->GetContentLength());
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127
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128 if (NPT_FAILED(res)) {
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129 m_State = PLT_DOWNLOADER_ERROR;
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130 return res;
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131 }
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132
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133 m_State = PLT_DOWNLOADER_SUCCESS;
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134 return NPT_SUCCESS;
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135 }