Mercurial > hg > orthanc-stone

annotate Platforms/Wasm/WasmWebService.cpp @ 257:9afafb192180 am-2

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using PAM
author am@osimis.io
date Tue, 10 Jul 2018 12:39:01 +0200
parents 8ff70c04c6df
children 3897f9f28cfa
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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_ScheduleGetRequest(void* callback,
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11 const char* uri,
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12 const char* headersInJsonString,
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13 void* payload);
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14
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15 extern void WasmWebService_SchedulePostRequest(void* callback,
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16 const char* uri,
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17 const char* headersInJsonString,
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18 const void* body,
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19 size_t bodySize,
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20 void* payload);
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21
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22 void EMSCRIPTEN_KEEPALIVE WasmWebService_NotifyError(void* callback,
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23 const char* uri,
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24 void* payload)
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25 {
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26 if (callback == NULL)
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27 {
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28 throw;
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29 }
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30 else
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31 {
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32 reinterpret_cast<OrthancStone::IWebService::ICallback*>(callback)->
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33 OnHttpRequestError(uri, reinterpret_cast<Orthanc::IDynamicObject*>(payload));
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34 }
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35 }
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36
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37 void EMSCRIPTEN_KEEPALIVE WasmWebService_NotifySuccess(void* callback,
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38 const char* uri,
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39 const void* body,
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40 size_t bodySize,
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41 void* payload)
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42 {
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43 if (callback == NULL)
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44 {
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45 throw;
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46 }
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47 else
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48 {
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49 reinterpret_cast<OrthancStone::IWebService::ICallback*>(callback)->
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50 OnHttpRequestSuccess(uri, body, bodySize, reinterpret_cast<Orthanc::IDynamicObject*>(payload));
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51 }
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52 }
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53
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54 void EMSCRIPTEN_KEEPALIVE WasmWebService_SetBaseUri(const char* baseUri)
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55 {
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56 OrthancStone::WasmWebService::GetInstance().SetBaseUri(baseUri);
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57 }
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58
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59 #ifdef __cplusplus
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60 }
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61 #endif
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62
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64
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65 namespace OrthancStone
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66 {
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67 MessageBroker* WasmWebService::broker_ = NULL;
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68
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69 void WasmWebService::SetBaseUri(const std::string baseUri)
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70 {
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71 // Make sure the base url ends with "/"
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72 if (baseUri.empty() ||
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73 baseUri[baseUri.size() - 1] != '/')
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74 {
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75 baseUri_ = baseUri + "/";
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76 }
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77 else
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78 {
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79 baseUri_ = baseUri;
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80 }
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81 }
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82
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83 void ToJsonString(std::string& output, const IWebService::Headers& headers)
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84 {
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85 Json::Value jsonHeaders;
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86 for (IWebService::Headers::const_iterator it = headers.begin(); it != headers.end(); it++ )
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87 {
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88 jsonHeaders[it->first] = it->second;
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89 }
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90
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91 Json::StreamWriterBuilder builder;
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92 std::unique_ptr<Json::StreamWriter> writer(builder.newStreamWriter());
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93 std::ostringstream outputStr;
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94
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95 writer->write(jsonHeaders, &outputStr);
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96 output = outputStr.str();
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97 }
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98
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99 void WasmWebService::ScheduleGetRequest(ICallback& callback,
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100 const std::string& relativeUri,
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101 const Headers& headers,
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102 Orthanc::IDynamicObject* payload)
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103 {
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104 std::string uri = baseUri_ + relativeUri;
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105 std::string headersInJsonString;
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106 ToJsonString(headersInJsonString, headers);
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107 WasmWebService_ScheduleGetRequest(&callback, uri.c_str(), headersInJsonString.c_str(), payload);
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108 }
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109
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110 void WasmWebService::SchedulePostRequest(ICallback& callback,
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111 const std::string& relativeUri,
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112 const Headers& headers,
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113 const std::string& body,
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114 Orthanc::IDynamicObject* payload)
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115 {
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116 std::string uri = baseUri_ + relativeUri;
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117 std::string headersInJsonString;
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118 ToJsonString(headersInJsonString, headers);
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119 WasmWebService_SchedulePostRequest(&callback, uri.c_str(), headersInJsonString.c_str(),
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120 body.c_str(), body.size(), payload);
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121 }
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122 }