Mercurial > hg > orthanc-stone

annotate Platforms/Wasm/WasmWebService.cpp @ 339:5a7915b23138 am-2

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cont
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 19 Oct 2018 14:44:12 +0200
parents aad37d0b6407
children aee3d7941c9b
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1 #include "WasmWebService.h"
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2 #include "json/value.h"
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3 #include "json/writer.h"
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4 #include <emscripten/emscripten.h>
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5
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6 #ifdef __cplusplus
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7 extern "C" {
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8 #endif
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9
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10 extern void WasmWebService_GetAsync(void* callableSuccess,
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11 void* callableFailure,
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12 const char* uri,
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13 const char* headersInJsonString,
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14 void* payload,
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15 unsigned int timeoutInSeconds);
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16
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17 extern void WasmWebService_PostAsync(void* callableSuccess,
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18 void* callableFailure,
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19 const char* uri,
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20 const char* headersInJsonString,
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21 const void* body,
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22 size_t bodySize,
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23 void* payload,
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24 unsigned int timeoutInSeconds);
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25
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26 extern void WasmWebService_DeleteAsync(void* callableSuccess,
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27 void* callableFailure,
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28 const char* uri,
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29 const char* headersInJsonString,
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30 void* payload,
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31 unsigned int timeoutInSeconds);
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32
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33 void EMSCRIPTEN_KEEPALIVE WasmWebService_NotifyError(void* failureCallable,
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34 const char* uri,
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35 void* payload)
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36 {
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37 if (failureCallable == NULL)
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38 {
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39 throw;
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40 }
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41 else
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42 {
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43 reinterpret_cast<OrthancStone::MessageHandler<OrthancStone::IWebService::HttpRequestErrorMessage>*>(failureCallable)->
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44 Apply(OrthancStone::IWebService::HttpRequestErrorMessage(uri, reinterpret_cast<Orthanc::IDynamicObject*>(payload)));
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45 }
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46 }
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47
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48 void EMSCRIPTEN_KEEPALIVE WasmWebService_NotifySuccess(void* successCallable,
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49 const char* uri,
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50 const void* body,
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51 size_t bodySize,
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52 void* payload)
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53 {
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54 if (successCallable == NULL)
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55 {
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56 throw;
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57 }
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58 else
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59 {
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60 reinterpret_cast<OrthancStone::MessageHandler<OrthancStone::IWebService::HttpRequestSuccessMessage>*>(successCallable)->
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61 Apply(OrthancStone::IWebService::HttpRequestSuccessMessage(uri, body, bodySize, reinterpret_cast<Orthanc::IDynamicObject*>(payload)));
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62 }
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63 }
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64
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65 void EMSCRIPTEN_KEEPALIVE WasmWebService_SetBaseUri(const char* baseUri)
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66 {
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67 OrthancStone::WasmWebService::GetInstance().SetBaseUri(baseUri);
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68 }
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69
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70 #ifdef __cplusplus
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71 }
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72 #endif
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76 namespace OrthancStone
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77 {
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78 MessageBroker* WasmWebService::broker_ = NULL;
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79
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80 void WasmWebService::SetBaseUri(const std::string baseUri)
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81 {
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82 // Make sure the base url ends with "/"
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83 if (baseUri.empty() ||
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84 baseUri[baseUri.size() - 1] != '/')
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85 {
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86 baseUri_ = baseUri + "/";
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87 }
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88 else
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89 {
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90 baseUri_ = baseUri;
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91 }
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92 }
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93
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94 void ToJsonString(std::string& output, const IWebService::Headers& headers)
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95 {
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96 Json::Value jsonHeaders;
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97 for (IWebService::Headers::const_iterator it = headers.begin(); it != headers.end(); it++ )
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98 {
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99 jsonHeaders[it->first] = it->second;
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100 }
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101
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102 Json::StreamWriterBuilder builder;
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103 std::unique_ptr<Json::StreamWriter> writer(builder.newStreamWriter());
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104 std::ostringstream outputStr;
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105
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106 writer->write(jsonHeaders, &outputStr);
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107 output = outputStr.str();
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108 }
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109
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110 void WasmWebService::PostAsync(const std::string& relativeUri,
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111 const Headers& headers,
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112 const std::string& body,
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113 Orthanc::IDynamicObject* payload,
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114 MessageHandler<IWebService::HttpRequestSuccessMessage>* successCallable,
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115 MessageHandler<IWebService::HttpRequestErrorMessage>* failureCallable,
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116 unsigned int timeoutInSeconds)
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117 {
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118 std::string uri = baseUri_ + relativeUri;
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119 std::string headersInJsonString;
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120 ToJsonString(headersInJsonString, headers);
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121 WasmWebService_PostAsync(successCallable, failureCallable, uri.c_str(), headersInJsonString.c_str(),
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122 body.c_str(), body.size(), payload, timeoutInSeconds);
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123 }
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124
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125 void WasmWebService::DeleteAsync(const std::string& relativeUri,
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126 const Headers& headers,
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127 Orthanc::IDynamicObject* payload,
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128 MessageHandler<IWebService::HttpRequestSuccessMessage>* successCallable,
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129 MessageHandler<IWebService::HttpRequestErrorMessage>* failureCallable,
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130 unsigned int timeoutInSeconds)
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131 {
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132 std::string uri = baseUri_ + relativeUri;
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133 std::string headersInJsonString;
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134 ToJsonString(headersInJsonString, headers);
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135 WasmWebService_DeleteAsync(successCallable, failureCallable, uri.c_str(), headersInJsonString.c_str(),
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136 payload, timeoutInSeconds);
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137 }
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138
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139 void WasmWebService::GetAsync(const std::string& relativeUri,
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140 const Headers& headers,
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141 Orthanc::IDynamicObject* payload,
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142 MessageHandler<IWebService::HttpRequestSuccessMessage>* successCallable,
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143 MessageHandler<IWebService::HttpRequestErrorMessage>* failureCallable,
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144 unsigned int timeoutInSeconds)
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145 {
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146 std::string uri = baseUri_ + relativeUri;
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147 std::string headersInJsonString;
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148 ToJsonString(headersInJsonString, headers);
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149 WasmWebService_GetAsync(successCallable, failureCallable, uri.c_str(), headersInJsonString.c_str(), payload, timeoutInSeconds);
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150 }
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151
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152 }