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annotate OrthancFramework/Sources/HttpServer/HttpOutput.cpp @ 4119:bf7b9edf6b81 framework-lgpl

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re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jul 2020 19:17:56 +0200
parents d25f4c0fa160
children 2d5209153b32
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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22
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23 #include "../PrecompiledHeaders.h"
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24 #include "HttpOutput.h"
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26 #include "../ChunkedBuffer.h"
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27 #include "../Compression/GzipCompressor.h"
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28 #include "../Compression/ZlibCompressor.h"
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29 #include "../Logging.h"
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30 #include "../OrthancException.h"
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31 #include "../Toolbox.h"
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32
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33 #include <iostream>
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34 #include <vector>
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35 #include <stdio.h>
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36 #include <boost/lexical_cast.hpp>
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39 #if ORTHANC_ENABLE_CIVETWEB == 1
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40 # if !defined(CIVETWEB_HAS_DISABLE_KEEP_ALIVE)
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41 # error Macro CIVETWEB_HAS_DISABLE_KEEP_ALIVE must be defined
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42 # endif
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43 #endif
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45
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46 namespace Orthanc
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47 {
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48 HttpOutput::StateMachine::StateMachine(IHttpOutputStream& stream,
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49 bool isKeepAlive) :
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50 stream_(stream),
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51 state_(State_WritingHeader),
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52 status_(HttpStatus_200_Ok),
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53 hasContentLength_(false),
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54 contentPosition_(0),
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55 keepAlive_(isKeepAlive)
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56 {
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57 }
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58
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59 HttpOutput::StateMachine::~StateMachine()
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60 {
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61 if (state_ != State_Done)
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62 {
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63 //asm volatile ("int3;");
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64 //LOG(ERROR) << "This HTTP answer does not contain any body";
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65 }
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67 if (hasContentLength_ && contentPosition_ != contentLength_)
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68 {
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69 LOG(ERROR) << "This HTTP answer has not sent the proper number of bytes in its body";
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70 }
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71 }
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74 void HttpOutput::StateMachine::SetHttpStatus(HttpStatus status)
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75 {
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76 if (state_ != State_WritingHeader)
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77 {
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78 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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79 }
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81 status_ = status;
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82 }
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85 void HttpOutput::StateMachine::SetContentLength(uint64_t length)
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86 {
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87 if (state_ != State_WritingHeader)
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88 {
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89 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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90 }
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91
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92 hasContentLength_ = true;
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93 contentLength_ = length;
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94 }
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95
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96 void HttpOutput::StateMachine::SetContentType(const char* contentType)
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97 {
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98 AddHeader("Content-Type", contentType);
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99 }
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100
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101 void HttpOutput::StateMachine::SetContentFilename(const char* filename)
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102 {
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103 // TODO Escape double quotes
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104 AddHeader("Content-Disposition", "filename=\"" + std::string(filename) + "\"");
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105 }
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106
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107 void HttpOutput::StateMachine::SetCookie(const std::string& cookie,
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108 const std::string& value)
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109 {
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110 if (state_ != State_WritingHeader)
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111 {
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112 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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113 }
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114
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115 // TODO Escape "=" characters
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116 AddHeader("Set-Cookie", cookie + "=" + value);
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117 }
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120 void HttpOutput::StateMachine::AddHeader(const std::string& header,
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121 const std::string& value)
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diff changeset
122 {
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parents: 1042
diff changeset
123 if (state_ != State_WritingHeader)
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parents: 1042
diff changeset
124 {
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diff changeset
125 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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diff changeset
126 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
127
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diff changeset
128 headers_.push_back(header + ": " + value + "\r\n");
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diff changeset
129 }
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parents: 1042
diff changeset
130
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parents: 1042
diff changeset
131 void HttpOutput::StateMachine::ClearHeaders()
910
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diff changeset
132 {
28a52982196e refactoring
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parents: 908
diff changeset
133 if (state_ != State_WritingHeader)
28a52982196e refactoring
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parents: 908
diff changeset
134 {
28a52982196e refactoring
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parents: 908
diff changeset
135 throw OrthancException(ErrorCode_BadSequenceOfCalls);
28a52982196e refactoring
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parents: 908
diff changeset
136 }
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parents: 908
diff changeset
137
1113
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diff changeset
138 headers_.clear();
910
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diff changeset
139 }
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parents: 908
diff changeset
140
1113
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parents: 1042
diff changeset
141 void HttpOutput::StateMachine::SendBody(const void* buffer, size_t length)
910
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diff changeset
142 {
1113
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diff changeset
143 if (state_ == State_Done)
910
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parents: 908
diff changeset
144 {
1113
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diff changeset
145 if (length == 0)
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diff changeset
146 {
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parents: 1042
diff changeset
147 return;
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diff changeset
148 }
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
149 else
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diff changeset
150 {
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151 throw OrthancException(ErrorCode_BadSequenceOfCalls,
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diff changeset
152 "Because of keep-alive connections, the entire body must "
d924f9bb61cc taking advantage of details in OrthancException
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diff changeset
153 "be sent at once or Content-Length must be given");
1113
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diff changeset
154 }
910
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diff changeset
155 }
28a52982196e refactoring
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parents: 908
diff changeset
156
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
157 if (state_ == State_WritingMultipart)
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diff changeset
158 {
ad94a3583b07 Plugins can send answers as multipart messages
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diff changeset
159 throw OrthancException(ErrorCode_InternalError);
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diff changeset
160 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
161
910
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parents: 908
diff changeset
162 if (state_ == State_WritingHeader)
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diff changeset
163 {
1113
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diff changeset
164 // Send the HTTP header before writing the body
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diff changeset
165
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diff changeset
166 stream_.OnHttpStatusReceived(status_);
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diff changeset
167
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diff changeset
168 std::string s = "HTTP/1.1 " +
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diff changeset
169 boost::lexical_cast<std::string>(status_) +
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diff changeset
170 " " + std::string(EnumerationToString(status_)) +
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diff changeset
171 "\r\n";
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diff changeset
172
1115
da56a7916e8a Experimental "KeepAlive" configuration option to enable HTTP Keep-Alive
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parents: 1113
diff changeset
173 if (keepAlive_)
1113
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diff changeset
174 {
1115
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diff changeset
175 s += "Connection: keep-alive\r\n";
1113
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diff changeset
176 }
3171
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3154
diff changeset
177 else
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3154
diff changeset
178 {
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3154
diff changeset
179 s += "Connection: close\r\n";
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
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diff changeset
180 }
1113
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parents: 1042
diff changeset
181
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
182 for (std::list<std::string>::const_iterator
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diff changeset
183 it = headers_.begin(); it != headers_.end(); ++it)
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diff changeset
184 {
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diff changeset
185 s += *it;
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parents: 1042
diff changeset
186 }
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parents: 1042
diff changeset
187
1115
da56a7916e8a Experimental "KeepAlive" configuration option to enable HTTP Keep-Alive
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parents: 1113
diff changeset
188 if (status_ != HttpStatus_200_Ok)
da56a7916e8a Experimental "KeepAlive" configuration option to enable HTTP Keep-Alive
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parents: 1113
diff changeset
189 {
da56a7916e8a Experimental "KeepAlive" configuration option to enable HTTP Keep-Alive
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1113
diff changeset
190 hasContentLength_ = false;
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parents: 1113
diff changeset
191 }
da56a7916e8a Experimental "KeepAlive" configuration option to enable HTTP Keep-Alive
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1113
diff changeset
192
1113
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diff changeset
193 uint64_t contentLength = (hasContentLength_ ? contentLength_ : length);
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diff changeset
194 s += "Content-Length: " + boost::lexical_cast<std::string>(contentLength) + "\r\n\r\n";
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diff changeset
195
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diff changeset
196 stream_.Send(true, s.c_str(), s.size());
910
28a52982196e refactoring
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diff changeset
197 state_ = State_WritingBody;
28a52982196e refactoring
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diff changeset
198 }
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parents: 908
diff changeset
199
1113
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diff changeset
200 if (hasContentLength_ &&
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
201 contentPosition_ + length > contentLength_)
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
202 {
2954
d924f9bb61cc taking advantage of details in OrthancException
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parents: 2908
diff changeset
203 throw OrthancException(ErrorCode_BadSequenceOfCalls,
d924f9bb61cc taking advantage of details in OrthancException
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parents: 2908
diff changeset
204 "The body size exceeds what was declared with SetContentSize()");
1113
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diff changeset
205 }
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
206
910
28a52982196e refactoring
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diff changeset
207 if (length > 0)
28a52982196e refactoring
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parents: 908
diff changeset
208 {
911
306afd58a0b3 fix build
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 910
diff changeset
209 stream_.Send(false, buffer, length);
1113
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parents: 1042
diff changeset
210 contentPosition_ += length;
330
78a8eaa5f30b cookies
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 324
diff changeset
211 }
78a8eaa5f30b cookies
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 324
diff changeset
212
1113
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
213 if (!hasContentLength_ ||
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
214 contentPosition_ == contentLength_)
330
78a8eaa5f30b cookies
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 324
diff changeset
215 {
1113
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parents: 1042
diff changeset
216 state_ = State_Done;
330
78a8eaa5f30b cookies
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 324
diff changeset
217 }
78a8eaa5f30b cookies
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 324
diff changeset
218 }
78a8eaa5f30b cookies
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 324
diff changeset
219
207
7f74209ea0f8 RestApi
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 155
diff changeset
220
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
221 void HttpOutput::StateMachine::CloseBody()
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
222 {
8bd0d897763f refactoring: IHttpStreamAnswer
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parents: 1517
diff changeset
223 switch (state_)
8bd0d897763f refactoring: IHttpStreamAnswer
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parents: 1517
diff changeset
224 {
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
225 case State_WritingHeader:
1522
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1521
diff changeset
226 SetContentLength(0);
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1521
diff changeset
227 SendBody(NULL, 0);
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1521
diff changeset
228 break;
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
229
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
230 case State_WritingBody:
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
231 if (!hasContentLength_ ||
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
232 contentPosition_ == contentLength_)
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
233 {
8bd0d897763f refactoring: IHttpStreamAnswer
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parents: 1517
diff changeset
234 state_ = State_Done;
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
235 }
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
236 else
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
237 {
2954
d924f9bb61cc taking advantage of details in OrthancException
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parents: 2908
diff changeset
238 throw OrthancException(ErrorCode_BadSequenceOfCalls,
d924f9bb61cc taking advantage of details in OrthancException
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2908
diff changeset
239 "The body size has not reached what was declared with SetContentSize()");
1519
8bd0d897763f refactoring: IHttpStreamAnswer
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parents: 1517
diff changeset
240 }
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
241
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
242 break;
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
243
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
244 case State_WritingMultipart:
2954
d924f9bb61cc taking advantage of details in OrthancException
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2908
diff changeset
245 throw OrthancException(ErrorCode_BadSequenceOfCalls,
d924f9bb61cc taking advantage of details in OrthancException
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2908
diff changeset
246 "Cannot invoke CloseBody() with multipart outputs");
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
247
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
248 case State_Done:
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
249 return; // Ignore
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
250
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
251 default:
8bd0d897763f refactoring: IHttpStreamAnswer
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parents: 1517
diff changeset
252 throw OrthancException(ErrorCode_InternalError);
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
253 }
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254 }
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255
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256
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257 HttpCompression HttpOutput::GetPreferredCompression(size_t bodySize) const
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258 {
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259 #if 0
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260 // TODO Do not compress small files?
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261 if (bodySize < 512)
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262 {
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263 return HttpCompression_None;
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264 }
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265 #endif
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266
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267 // Prefer "gzip" over "deflate" if the choice is offered
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268
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269 if (isGzipAllowed_)
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270 {
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271 return HttpCompression_Gzip;
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272 }
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273 else if (isDeflateAllowed_)
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274 {
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275 return HttpCompression_Deflate;
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276 }
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277 else
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278 {
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279 return HttpCompression_None;
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280 }
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281 }
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282
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283
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284 void HttpOutput::SendMethodNotAllowed(const std::string& allowed)
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285 {
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286 stateMachine_.ClearHeaders();
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287 stateMachine_.SetHttpStatus(HttpStatus_405_MethodNotAllowed);
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288 stateMachine_.AddHeader("Allow", allowed);
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289 stateMachine_.SendBody(NULL, 0);
0
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290 }
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291
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292
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293 void HttpOutput::SendStatus(HttpStatus status,
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294 const char* message,
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295 size_t messageSize)
0
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296 {
1954
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297 if (status == HttpStatus_301_MovedPermanently ||
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298 //status == HttpStatus_401_Unauthorized ||
473
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299 status == HttpStatus_405_MethodNotAllowed)
0
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300 {
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301 throw OrthancException(ErrorCode_ParameterOutOfRange,
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302 "Please use the dedicated methods to this HTTP status code in HttpOutput");
0
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303 }
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304
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305 stateMachine_.SetHttpStatus(status);
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1558b3226b18 IHttpExceptionFormatter
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306 stateMachine_.SendBody(message, messageSize);
339
639272ef7615 answer raw buffers
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diff changeset
307 }
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diff changeset
308
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309
0
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310 void HttpOutput::Redirect(const std::string& path)
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311 {
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312 stateMachine_.ClearHeaders();
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313 stateMachine_.SetHttpStatus(HttpStatus_301_MovedPermanently);
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314 stateMachine_.AddHeader("Location", path);
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315 stateMachine_.SendBody(NULL, 0);
0
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316 }
908
e078ea944089 refactoring HttpOutput
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317
e078ea944089 refactoring HttpOutput
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318
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319 void HttpOutput::SendUnauthorized(const std::string& realm)
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320 {
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321 stateMachine_.ClearHeaders();
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322 stateMachine_.SetHttpStatus(HttpStatus_401_Unauthorized);
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diff changeset
323 stateMachine_.AddHeader("WWW-Authenticate", "Basic realm=\"" + realm + "\"");
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324 stateMachine_.SendBody(NULL, 0);
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325 }
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diff changeset
326
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9d277f8ad698 new enumeration: MimeType
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327
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328 void HttpOutput::Answer(const void* buffer,
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329 size_t length)
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330 {
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331 if (length == 0)
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diff changeset
332 {
1521
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diff changeset
333 AnswerEmpty();
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diff changeset
334 return;
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diff changeset
335 }
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diff changeset
336
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337 HttpCompression compression = GetPreferredCompression(length);
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diff changeset
338
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diff changeset
339 if (compression == HttpCompression_None)
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diff changeset
340 {
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diff changeset
341 stateMachine_.SetContentLength(length);
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342 stateMachine_.SendBody(buffer, length);
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diff changeset
343 return;
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diff changeset
344 }
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diff changeset
345
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diff changeset
346 std::string compressed, encoding;
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diff changeset
347
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diff changeset
348 switch (compression)
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diff changeset
349 {
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diff changeset
350 case HttpCompression_Deflate:
3606278d305e refactoring
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diff changeset
351 {
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diff changeset
352 encoding = "deflate";
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diff changeset
353 ZlibCompressor compressor;
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diff changeset
354 // Do not prefix the buffer with its uncompressed size, to be compatible with "deflate"
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diff changeset
355 compressor.SetPrefixWithUncompressedSize(false);
3606278d305e refactoring
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diff changeset
356 compressor.Compress(compressed, buffer, length);
3606278d305e refactoring
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diff changeset
357 break;
3606278d305e refactoring
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parents: 1519
diff changeset
358 }
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parents: 1519
diff changeset
359
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parents: 1519
diff changeset
360 case HttpCompression_Gzip:
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diff changeset
361 {
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diff changeset
362 encoding = "gzip";
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diff changeset
363 GzipCompressor compressor;
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diff changeset
364 compressor.Compress(compressed, buffer, length);
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parents: 1519
diff changeset
365 break;
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parents: 1519
diff changeset
366 }
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parents: 1519
diff changeset
367
3606278d305e refactoring
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parents: 1519
diff changeset
368 default:
3606278d305e refactoring
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parents: 1519
diff changeset
369 throw OrthancException(ErrorCode_InternalError);
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parents: 1519
diff changeset
370 }
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diff changeset
371
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diff changeset
372 LOG(TRACE) << "Compressing a HTTP answer using " << encoding;
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parents: 1519
diff changeset
373
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parents: 1519
diff changeset
374 // The body is empty, do not use HTTP compression
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parents: 1519
diff changeset
375 if (compressed.size() == 0)
3606278d305e refactoring
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parents: 1519
diff changeset
376 {
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diff changeset
377 AnswerEmpty();
1113
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diff changeset
378 }
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
379 else
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
380 {
1521
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diff changeset
381 stateMachine_.AddHeader("Content-Encoding", encoding);
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diff changeset
382 stateMachine_.SetContentLength(compressed.size());
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parents: 1519
diff changeset
383 stateMachine_.SendBody(compressed.c_str(), compressed.size());
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
384 }
1511
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diff changeset
385
1521
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diff changeset
386 stateMachine_.CloseBody();
1113
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parents: 1042
diff changeset
387 }
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
388
1521
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parents: 1519
diff changeset
389
3606278d305e refactoring
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parents: 1519
diff changeset
390 void HttpOutput::Answer(const std::string& str)
1511
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diff changeset
391 {
1521
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diff changeset
392 Answer(str.size() == 0 ? NULL : str.c_str(), str.size());
1511
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parents: 1486
diff changeset
393 }
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parents: 1486
diff changeset
394
1521
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parents: 1519
diff changeset
395
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parents: 1519
diff changeset
396 void HttpOutput::AnswerEmpty()
1113
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parents: 1042
diff changeset
397 {
1519
8bd0d897763f refactoring: IHttpStreamAnswer
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parents: 1517
diff changeset
398 stateMachine_.CloseBody();
1113
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
399 }
1430
ad94a3583b07 Plugins can send answers as multipart messages
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parents: 1288
diff changeset
400
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
401
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
402 void HttpOutput::StateMachine::CheckHeadersCompatibilityWithMultipart() const
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
403 {
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
404 for (std::list<std::string>::const_iterator
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
405 it = headers_.begin(); it != headers_.end(); ++it)
f6fe095f7130 don't open a multipart stream if plugin only sends one part
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parents: 3425
diff changeset
406 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
407 if (!Toolbox::StartsWith(*it, "Set-Cookie: "))
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
408 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
409 throw OrthancException(ErrorCode_BadSequenceOfCalls,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
410 "The only headers that can be set in multipart answers "
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
411 "are Set-Cookie (here: " + *it + " is set)");
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
412 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
413 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
414 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
415
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
416
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
417 static void PrepareMultipartMainHeader(std::string& boundary,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
418 std::string& contentTypeHeader,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
419 const std::string& subType,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
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parents: 3425
diff changeset
420 const std::string& contentType)
1430
ad94a3583b07 Plugins can send answers as multipart messages
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diff changeset
421 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
422 if (subType != "mixed" &&
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
423 subType != "related")
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
424 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
425 throw OrthancException(ErrorCode_ParameterOutOfRange);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
426 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
427
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
428 /**
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
429 * Fix for issue 54 ("Decide what to do wrt. quoting of multipart
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
430 * answers"). The "type" parameter in the "Content-Type" HTTP
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
431 * header must be quoted if it contains a forward slash "/". This
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
432 * is necessary for DICOMweb compatibility with OsiriX, but breaks
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
433 * compatibility with old releases of the client in the Orthanc
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
434 * DICOMweb plugin <= 0.3 (releases >= 0.4 work fine).
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
435 *
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
436 * Full history is available at the following locations:
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
437 * - In changeset 2248:69b0f4e8a49b:
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
438 * # hg history -v -r 2248
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
439 * - https://bitbucket.org/sjodogne/orthanc/issues/54/
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
440 * - https://groups.google.com/d/msg/orthanc-users/65zhIM5xbKI/TU5Q1_LhAwAJ
f6fe095f7130 don't open a multipart stream if plugin only sends one part
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parents: 3425
diff changeset
441 **/
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
442 std::string tmp;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
443 if (contentType.find('/') == std::string::npos)
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
444 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
445 // No forward slash in the content type
f6fe095f7130 don't open a multipart stream if plugin only sends one part
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parents: 3425
diff changeset
446 tmp = contentType;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
447 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
448 else
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
449 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
450 // Quote the content type because of the forward slash
f6fe095f7130 don't open a multipart stream if plugin only sends one part
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parents: 3425
diff changeset
451 tmp = "\"" + contentType + "\"";
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
452 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
453
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
454 boundary = Toolbox::GenerateUuid() + "-" + Toolbox::GenerateUuid();
3616
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
455
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
456 /**
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
457 * Fix for issue #165: "Encapsulation boundaries must not appear
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
458 * within the encapsulations, and must be no longer than 70
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
459 * characters, not counting the two leading hyphens."
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
460 * https://tools.ietf.org/html/rfc1521
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
461 * https://bitbucket.org/sjodogne/orthanc/issues/165/
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
462 **/
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
463 if (boundary.size() != 36 + 1 + 36) // one UUID contains 36 characters
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
464 {
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
465 throw OrthancException(ErrorCode_InternalError);
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
466 }
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
467
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
468 boundary = boundary.substr(0, 70);
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
469
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
470 contentTypeHeader = ("multipart/" + subType + "; type=" + tmp + "; boundary=" + boundary);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
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parents: 3425
diff changeset
471 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
472
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
473
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
474 void HttpOutput::StateMachine::StartMultipart(const std::string& subType,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
475 const std::string& contentType)
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
476 {
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
477 if (state_ != State_WritingHeader)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
478 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
479 throw OrthancException(ErrorCode_BadSequenceOfCalls);
ad94a3583b07 Plugins can send answers as multipart messages
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parents: 1288
diff changeset
480 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
481
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
482 if (status_ != HttpStatus_200_Ok)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
483 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
484 SendBody(NULL, 0);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
485 return;
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
486 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
487
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
488 stream_.OnHttpStatusReceived(status_);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
489
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
490 std::string header = "HTTP/1.1 200 OK\r\n";
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
491
3154
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
492 if (keepAlive_)
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
493 {
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
494 #if ORTHANC_ENABLE_MONGOOSE == 1
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
495 throw OrthancException(ErrorCode_NotImplemented,
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
496 "Multipart answers are not implemented together "
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
497 "with keep-alive connections if using Mongoose");
3178
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
498
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
499 #elif ORTHANC_ENABLE_CIVETWEB == 1
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
500 # if CIVETWEB_HAS_DISABLE_KEEP_ALIVE == 1
3154
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
501 // Turn off Keep-Alive for multipart answers
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
502 // https://github.com/civetweb/civetweb/issues/727
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
503 stream_.DisableKeepAlive();
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
504 header += "Connection: close\r\n";
3178
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
505 # else
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
506 // The function "mg_disable_keep_alive()" is not available,
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
507 // let's continue with Keep-Alive. Performance of WADO-RS will
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
508 // decrease.
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
509 header += "Connection: keep-alive\r\n";
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
510 # endif
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
511
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
512 #else
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
513 # error Please support your embedded Web server here
3154
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
514 #endif
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
515 }
3171
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3154
diff changeset
516 else
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3154
diff changeset
517 {
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3154
diff changeset
518 header += "Connection: close\r\n";
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3154
diff changeset
519 }
3154
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
520
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
521 // Possibly add the cookies
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
522 CheckHeadersCompatibilityWithMultipart();
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
523
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
524 for (std::list<std::string>::const_iterator
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
525 it = headers_.begin(); it != headers_.end(); ++it)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
526 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
527 header += *it;
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
528 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
529
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
530 std::string contentTypeHeader;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
531 PrepareMultipartMainHeader(multipartBoundary_, contentTypeHeader, subType, contentType);
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
532 multipartContentType_ = contentType;
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
533 header += ("Content-Type: " + contentTypeHeader + "\r\n\r\n");
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
534
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
535 stream_.Send(true, header.c_str(), header.size());
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
536 state_ = State_WritingMultipart;
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
537 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
538
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
539
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
540 static void PrepareMultipartItemHeader(std::string& target,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
541 size_t length,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
542 const std::map<std::string, std::string>& headers,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
543 const std::string& boundary,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
544 const std::string& contentType)
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
545 {
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
546 target = "--" + boundary + "\r\n";
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
547
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
548 bool hasContentType = false;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
549 bool hasContentLength = false;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
550 bool hasMimeVersion = false;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
551
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
552 for (std::map<std::string, std::string>::const_iterator
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
553 it = headers.begin(); it != headers.end(); ++it)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
554 {
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
555 target += it->first + ": " + it->second + "\r\n";
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
556
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
557 std::string tmp;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
558 Toolbox::ToLowerCase(tmp, it->first);
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
559
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
560 if (tmp == "content-type")
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
561 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
562 hasContentType = true;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
563 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
564
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
565 if (tmp == "content-length")
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
566 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
567 hasContentLength = true;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
568 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
569
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
570 if (tmp == "mime-version")
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
571 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
572 hasMimeVersion = true;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
573 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
574 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
575
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
576 if (!hasContentType)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
577 {
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
578 target += "Content-Type: " + contentType + "\r\n";
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
579 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
580
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
581 if (!hasContentLength)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
582 {
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
583 target += "Content-Length: " + boost::lexical_cast<std::string>(length) + "\r\n";
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
584 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
585
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
586 if (!hasMimeVersion)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
587 {
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
588 target += "MIME-Version: 1.0\r\n\r\n";
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
589 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
590 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
591
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
592
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
593 void HttpOutput::StateMachine::SendMultipartItem(const void* item,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
594 size_t length,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
595 const std::map<std::string, std::string>& headers)
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
596 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
597 if (state_ != State_WritingMultipart)
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
598 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
599 throw OrthancException(ErrorCode_BadSequenceOfCalls);
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
600 }
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
601
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
602 std::string header;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
603 PrepareMultipartItemHeader(header, length, headers, multipartBoundary_, multipartContentType_);
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
604 stream_.Send(false, header.c_str(), header.size());
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
605
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
606 if (length > 0)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
607 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
608 stream_.Send(false, item, length);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
609 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
610
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
611 stream_.Send(false, "\r\n", 2);
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
612 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
613
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
614
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
615 void HttpOutput::StateMachine::CloseMultipart()
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
616 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
617 if (state_ != State_WritingMultipart)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
618 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
619 throw OrthancException(ErrorCode_BadSequenceOfCalls);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
620 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
621
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
622 // The two lines below might throw an exception, if the client has
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
623 // closed the connection. Such an error is ignored.
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
624 try
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
625 {
1832
b7da58699f92 Fix formatting of multipart HTTP answers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1645
diff changeset
626 std::string header = "--" + multipartBoundary_ + "--\r\n";
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
627 stream_.Send(false, header.c_str(), header.size());
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
628 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
629 catch (OrthancException&)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
630 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
631 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
632
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
633 state_ = State_Done;
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
634 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
635
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
636
3380
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
637 static void AnswerStreamAsBuffer(HttpOutput& output,
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
638 IHttpStreamAnswer& stream)
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
639 {
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
640 ChunkedBuffer buffer;
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
641
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
642 while (stream.ReadNextChunk())
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
643 {
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
644 if (stream.GetChunkSize() > 0)
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
645 {
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
646 buffer.AddChunk(stream.GetChunkContent(), stream.GetChunkSize());
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
647 }
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
648 }
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
649
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
650 std::string s;
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
651 buffer.Flatten(s);
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
652
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
653 output.SetContentType(stream.GetContentType());
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
654
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
655 std::string filename;
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
656 if (stream.HasContentFilename(filename))
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
657 {
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
658 output.SetContentFilename(filename.c_str());
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
659 }
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
660
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
661 output.Answer(s);
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
662 }
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
663
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
664
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
665 void HttpOutput::Answer(IHttpStreamAnswer& stream)
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
666 {
1523
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
667 HttpCompression compression = stream.SetupHttpCompression(isGzipAllowed_, isDeflateAllowed_);
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
668
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
669 switch (compression)
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
670 {
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
671 case HttpCompression_None:
3380
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
672 {
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
673 if (isGzipAllowed_ || isDeflateAllowed_)
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
674 {
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
675 // New in Orthanc 1.5.7: Compress streams without built-in
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
676 // compression, if requested by the "Accept-Encoding" HTTP
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
677 // header
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
678 AnswerStreamAsBuffer(*this, stream);
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
679 return;
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
680 }
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
681
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
682 break;
3380
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
683 }
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
684
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
685 case HttpCompression_Gzip:
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
686 stateMachine_.AddHeader("Content-Encoding", "gzip");
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
687 break;
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
688
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
689 case HttpCompression_Deflate:
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
690 stateMachine_.AddHeader("Content-Encoding", "deflate");
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
691 break;
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
692
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
693 default:
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
694 throw OrthancException(ErrorCode_ParameterOutOfRange);
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
695 }
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
696
1523
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
697 stateMachine_.SetContentLength(stream.GetContentLength());
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
698
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
699 std::string contentType = stream.GetContentType();
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
700 if (contentType.empty())
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
701 {
2905
ae20fccdd867 refactoring mime types
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2805
diff changeset
702 contentType = MIME_BINARY;
1523
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
703 }
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
704
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
705 stateMachine_.SetContentType(contentType.c_str());
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
706
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
707 std::string filename;
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
708 if (stream.HasContentFilename(filename))
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
709 {
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
710 SetContentFilename(filename.c_str());
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
711 }
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
712
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
713 while (stream.ReadNextChunk())
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
714 {
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
715 stateMachine_.SendBody(stream.GetChunkContent(),
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
716 stream.GetChunkSize());
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
717 }
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
718
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
719 stateMachine_.CloseBody();
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
720 }
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
721
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
722
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
723 void HttpOutput::AnswerMultipartWithoutChunkedTransfer(
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
724 const std::string& subType,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
725 const std::string& contentType,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
726 const std::vector<const void*>& parts,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
727 const std::vector<size_t>& sizes,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
728 const std::vector<const std::map<std::string, std::string>*>& headers)
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
729 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
730 if (parts.size() != sizes.size())
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
731 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
732 throw OrthancException(ErrorCode_ParameterOutOfRange);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
733 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
734
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
735 stateMachine_.CheckHeadersCompatibilityWithMultipart();
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
736
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
737 std::string boundary, contentTypeHeader;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
738 PrepareMultipartMainHeader(boundary, contentTypeHeader, subType, contentType);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
739 SetContentType(contentTypeHeader);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
740
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
741 std::map<std::string, std::string> empty;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
742
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
743 ChunkedBuffer chunked;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
744 for (size_t i = 0; i < parts.size(); i++)
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
745 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
746 std::string partHeader;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
747 PrepareMultipartItemHeader(partHeader, sizes[i], headers[i] == NULL ? empty : *headers[i],
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
748 boundary, contentType);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
749
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
750 chunked.AddChunk(partHeader);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
751 chunked.AddChunk(parts[i], sizes[i]);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
752 chunked.AddChunk("\r\n");
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
753 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
754
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
755 chunked.AddChunk("--" + boundary + "--\r\n");
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
756
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
757 std::string body;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
758 chunked.Flatten(body);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
759 Answer(body);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
760 }
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
761 }