Mercurial > hg > orthanc-stone

annotate Platforms/Wasm/WasmWebService.cpp @ 303:ed1a4302154f am-callable-and-promise

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new messages in wasm too
author am@osimis.io
date Tue, 18 Sep 2018 18:17:26 +0200
parents 3897f9f28cfa
children 14ef1227120f
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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
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16 extern void WasmWebService_PostAsync(void* callableSuccess,
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17 void* callableFailure,
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18 const char* uri,
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19 const char* headersInJsonString,
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20 const void* body,
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21 size_t bodySize,
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22 void* payload);
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23
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24
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25 void EMSCRIPTEN_KEEPALIVE WasmWebService_NotifyError(void* failureCallable,
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26 const char* uri,
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27 void* payload)
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28 {
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29 if (failureCallable == NULL)
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30 {
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31 throw;
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32 }
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33 else
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34 {
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35 reinterpret_cast<OrthancStone::MessageHandler<OrthancStone::IWebService::HttpRequestErrorMessage>*>(failureCallable)->
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36 Apply(OrthancStone::IWebService::HttpRequestErrorMessage(uri, reinterpret_cast<Orthanc::IDynamicObject*>(payload)));
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37 }
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38 }
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39
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40 void EMSCRIPTEN_KEEPALIVE WasmWebService_NotifySuccess(void* successCallable,
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41 const char* uri,
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42 const void* body,
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43 size_t bodySize,
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44 void* payload)
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45 {
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46 if (successCallable == NULL)
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47 {
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48 throw;
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49 }
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50 else
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51 {
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52 reinterpret_cast<OrthancStone::MessageHandler<OrthancStone::IWebService::HttpRequestSuccessMessage>*>(successCallable)->
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53 Apply(OrthancStone::IWebService::HttpRequestSuccessMessage(uri, body, bodySize, reinterpret_cast<Orthanc::IDynamicObject*>(payload)));
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54 }
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55 }
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56
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57 void EMSCRIPTEN_KEEPALIVE WasmWebService_SetBaseUri(const char* baseUri)
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58 {
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59 OrthancStone::WasmWebService::GetInstance().SetBaseUri(baseUri);
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60 }
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61
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62 #ifdef __cplusplus
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63 }
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64 #endif
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65
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67
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68 namespace OrthancStone
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69 {
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70 MessageBroker* WasmWebService::broker_ = NULL;
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71
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72 void WasmWebService::SetBaseUri(const std::string baseUri)
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73 {
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74 // Make sure the base url ends with "/"
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75 if (baseUri.empty() ||
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76 baseUri[baseUri.size() - 1] != '/')
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77 {
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78 baseUri_ = baseUri + "/";
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79 }
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80 else
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81 {
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82 baseUri_ = baseUri;
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83 }
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84 }
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85
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86 void ToJsonString(std::string& output, const IWebService::Headers& headers)
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87 {
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88 Json::Value jsonHeaders;
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89 for (IWebService::Headers::const_iterator it = headers.begin(); it != headers.end(); it++ )
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90 {
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91 jsonHeaders[it->first] = it->second;
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92 }
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93
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94 Json::StreamWriterBuilder builder;
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95 std::unique_ptr<Json::StreamWriter> writer(builder.newStreamWriter());
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96 std::ostringstream outputStr;
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97
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98 writer->write(jsonHeaders, &outputStr);
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99 output = outputStr.str();
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100 }
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101
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102 void WasmWebService::PostAsync(const std::string& relativeUri,
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103 const Headers& headers,
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104 const std::string& body,
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105 Orthanc::IDynamicObject* payload,
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106 MessageHandler<IWebService::HttpRequestSuccessMessage>* successCallable,
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107 MessageHandler<IWebService::HttpRequestErrorMessage>* failureCallable)
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108 {
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109 std::string uri = baseUri_ + relativeUri;
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110 std::string headersInJsonString;
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111 ToJsonString(headersInJsonString, headers);
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112 WasmWebService_PostAsync(successCallable, failureCallable, uri.c_str(), headersInJsonString.c_str(),
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113 body.c_str(), body.size(), payload);
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114 }
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116 void WasmWebService::GetAsync(const std::string& relativeUri,
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117 const Headers& headers,
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118 Orthanc::IDynamicObject* payload,
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119 MessageHandler<IWebService::HttpRequestSuccessMessage>* successCallable,
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120 MessageHandler<IWebService::HttpRequestErrorMessage>* failureCallable)
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121 {
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122 std::string uri = baseUri_ + relativeUri;
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123 std::string headersInJsonString;
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124 ToJsonString(headersInJsonString, headers);
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125 WasmWebService_GetAsync(successCallable, failureCallable, uri.c_str(), headersInJsonString.c_str(), payload);
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126 }
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127
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128 }