Mercurial > hg > orthanc
annotate Core/HttpServer/HttpOutput.h @ 1635:0844a4bcb0ad dcmtk-3.6.1
integration mainline->dcmtk
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 23 Sep 2015 09:59:12 +0200 |
parents | d73124f6b439 |
children | 1558b3226b18 |
rev | line source |
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0 | 1 /** |
59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
0 | 5 * |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
136 | 10 * |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
0 | 22 * |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 #pragma once | |
34 | |
330 | 35 #include <list> |
0 | 36 #include <string> |
37 #include <stdint.h> | |
38 #include "../Enumerations.h" | |
910 | 39 #include "IHttpOutputStream.h" |
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40 #include "IHttpStreamAnswer.h" |
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41 #include "../Uuid.h" |
0 | 42 |
59 | 43 namespace Orthanc |
0 | 44 { |
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45 class HttpOutput : public boost::noncopyable |
0 | 46 { |
47 private: | |
330 | 48 typedef std::list< std::pair<std::string, std::string> > Header; |
49 | |
910 | 50 class StateMachine : public boost::noncopyable |
51 { | |
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52 public: |
910 | 53 enum State |
54 { | |
55 State_WritingHeader, | |
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56 State_WritingBody, |
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57 State_WritingMultipart, |
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58 State_Done |
910 | 59 }; |
60 | |
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61 private: |
910 | 62 IHttpOutputStream& stream_; |
63 State state_; | |
64 | |
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65 HttpStatus status_; |
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66 bool hasContentLength_; |
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67 uint64_t contentLength_; |
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68 uint64_t contentPosition_; |
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69 bool keepAlive_; |
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70 std::list<std::string> headers_; |
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71 |
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72 std::string multipartBoundary_; |
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73 std::string multipartContentType_; |
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74 |
910 | 75 public: |
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76 StateMachine(IHttpOutputStream& stream, |
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77 bool isKeepAlive); |
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78 |
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79 ~StateMachine(); |
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80 |
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81 void SetHttpStatus(HttpStatus status); |
910 | 82 |
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83 void SetContentLength(uint64_t length); |
910 | 84 |
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85 void SetContentType(const char* contentType); |
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86 |
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87 void SetContentFilename(const char* filename); |
910 | 88 |
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89 void SetCookie(const std::string& cookie, |
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90 const std::string& value); |
910 | 91 |
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92 void AddHeader(const std::string& header, |
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93 const std::string& value); |
910 | 94 |
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95 void ClearHeaders(); |
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96 |
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97 void SendBody(const void* buffer, size_t length); |
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98 |
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99 void StartMultipart(const std::string& subType, |
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100 const std::string& contentType); |
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101 |
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102 void SendMultipartItem(const void* item, size_t length); |
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103 |
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104 void CloseMultipart(); |
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105 |
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106 void CloseBody(); |
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107 |
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108 State GetState() const |
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109 { |
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110 return state_; |
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111 } |
910 | 112 }; |
113 | |
114 StateMachine stateMachine_; | |
1517 | 115 bool isDeflateAllowed_; |
116 bool isGzipAllowed_; | |
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117 bool describeErrors_; |
1517 | 118 |
119 HttpCompression GetPreferredCompression(size_t bodySize) const; | |
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120 |
0 | 121 public: |
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122 HttpOutput(IHttpOutputStream& stream, |
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123 bool isKeepAlive) : |
1517 | 124 stateMachine_(stream, isKeepAlive), |
125 isDeflateAllowed_(false), | |
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126 isGzipAllowed_(false), |
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127 describeErrors_(true) |
1517 | 128 { |
129 } | |
130 | |
131 void SetDeflateAllowed(bool allowed) | |
0 | 132 { |
1517 | 133 isDeflateAllowed_ = allowed; |
134 } | |
135 | |
136 bool IsDeflateAllowed() const | |
137 { | |
138 return isDeflateAllowed_; | |
139 } | |
140 | |
141 void SetGzipAllowed(bool allowed) | |
142 { | |
143 isGzipAllowed_ = allowed; | |
144 } | |
145 | |
146 bool IsGzipAllowed() const | |
147 { | |
148 return isGzipAllowed_; | |
0 | 149 } |
150 | |
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151 void SetDescribeErrorsEnabled(bool enabled) |
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152 { |
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153 describeErrors_ = enabled; |
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154 } |
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155 |
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156 bool IsDescribeErrorsEnabled() const |
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157 { |
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158 return describeErrors_; |
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159 } |
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160 |
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161 void SendStatus(HttpStatus status, |
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162 const char* message, |
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163 size_t messageSize); |
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164 |
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165 void SendStatus(HttpStatus status) |
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166 { |
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167 SendStatus(status, NULL, 0); |
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168 } |
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169 |
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170 void SendStatus(HttpStatus status, |
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171 const std::string& message) |
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172 { |
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173 SendStatus(status, message.c_str(), message.size()); |
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174 } |
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175 |
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176 void SetContentType(const char* contentType) |
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177 { |
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178 stateMachine_.SetContentType(contentType); |
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179 } |
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180 |
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181 void SetContentFilename(const char* filename) |
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182 { |
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183 stateMachine_.SetContentFilename(filename); |
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184 } |
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185 |
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186 void SetCookie(const std::string& cookie, |
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187 const std::string& value) |
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188 { |
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189 stateMachine_.SetCookie(cookie, value); |
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190 } |
0 | 191 |
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192 void AddHeader(const std::string& key, |
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193 const std::string& value) |
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194 { |
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195 stateMachine_.AddHeader(key, value); |
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196 } |
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197 |
1521 | 198 void Answer(const void* buffer, |
199 size_t length); | |
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200 |
1521 | 201 void Answer(const std::string& str); |
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202 |
1521 | 203 void AnswerEmpty(); |
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204 |
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205 void SendMethodNotAllowed(const std::string& allowed); |
0 | 206 |
217 | 207 void Redirect(const std::string& path); |
0 | 208 |
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209 void SendUnauthorized(const std::string& realm); |
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210 |
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211 void StartMultipart(const std::string& subType, |
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212 const std::string& contentType) |
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213 { |
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214 stateMachine_.StartMultipart(subType, contentType); |
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215 } |
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216 |
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217 void SendMultipartItem(const std::string& item); |
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218 |
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219 void SendMultipartItem(const void* item, size_t size) |
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220 { |
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221 stateMachine_.SendMultipartItem(item, size); |
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222 } |
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223 |
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224 void CloseMultipart() |
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225 { |
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226 stateMachine_.CloseMultipart(); |
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227 } |
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228 |
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229 bool IsWritingMultipart() const |
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230 { |
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231 return stateMachine_.GetState() == StateMachine::State_WritingMultipart; |
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232 } |
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233 |
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234 void Answer(IHttpStreamAnswer& stream); |
0 | 235 }; |
236 } |