Mercurial > hg > orthanc-stone

annotate Platforms/Wasm/WasmWebService.js @ 315:aad37d0b6407 am-2

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Added LayerWidget::RemoveLayer + DELETE commands in WebService
author am@osimis.io
date Fri, 05 Oct 2018 10:38:16 +0200
parents 14ef1227120f
children aee3d7941c9b
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1 mergeInto(LibraryManager.library, {
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2 WasmWebService_GetAsync: function(callableSuccess, callableFailure, url, headersInJsonString, payload, timeoutInSeconds) {
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3 // Directly use XMLHttpRequest (no jQuery) to retrieve the raw binary data
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4 // http://www.henryalgus.com/reading-binary-files-using-jquery-ajax/
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5 var xhr = new XMLHttpRequest();
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6 var url_ = UTF8ToString(url);
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7 var headersInJsonString_ = UTF8ToString(headersInJsonString);
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8
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9 xhr.open('GET', url_, true);
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10 xhr.responseType = 'arraybuffer';
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11 xhr.timeout = timeoutInSeconds * 1000;
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12 var headers = JSON.parse(headersInJsonString_);
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13 for (var key in headers) {
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14 xhr.setRequestHeader(key, headers[key]);
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15 }
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16 //console.log(xhr);
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17 xhr.onreadystatechange = function() {
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18 if (this.readyState == XMLHttpRequest.DONE) {
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19 if (xhr.status === 200) {
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20 // TODO - Is "new Uint8Array()" necessary? This copies the
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21 // answer to the WebAssembly stack, hence necessitating
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22 // increasing the TOTAL_STACK parameter of Emscripten
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23 WasmWebService_NotifySuccess(callableSuccess, url_, new Uint8Array(this.response),
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24 this.response.byteLength, payload);
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25 } else {
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26 WasmWebService_NotifyError(callableFailure, url_, payload);
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27 }
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28 }
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29 }
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30
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31 xhr.send();
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32 },
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33
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34 WasmWebService_PostAsync: function(callableSuccess, callableFailure, url, headersInJsonString, body, bodySize, payload, timeoutInSeconds) {
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35 var xhr = new XMLHttpRequest();
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36 var url_ = UTF8ToString(url);
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37 var headersInJsonString_ = UTF8ToString(headersInJsonString);
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38 xhr.open('POST', url_, true);
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39 xhr.timeout = timeoutInSeconds * 1000;
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40 xhr.responseType = 'arraybuffer';
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41 xhr.setRequestHeader('Content-type', 'application/octet-stream');
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42
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43 var headers = JSON.parse(headersInJsonString_);
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44 for (var key in headers) {
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45 xhr.setRequestHeader(key, headers[key]);
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46 }
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47
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48 xhr.onreadystatechange = function() {
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49 if (this.readyState == XMLHttpRequest.DONE) {
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50 if (xhr.status === 200) {
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51 WasmWebService_NotifySuccess(callableSuccess, url_, new Uint8Array(this.response),
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52 this.response.byteLength, payload);
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53 } else {
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54 WasmWebService_NotifyError(callableFailure, url_, payload);
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55 }
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56 }
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57 }
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58
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59 xhr.send(new Uint8ClampedArray(HEAPU8.buffer, body, bodySize));
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60 },
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62 WasmWebService_DeleteAsync: function(callableSuccess, callableFailure, url, headersInJsonString, payload, timeoutInSeconds) {
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63 var xhr = new XMLHttpRequest();
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64 var url_ = UTF8ToString(url);
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65 var headersInJsonString_ = UTF8ToString(headersInJsonString);
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66 xhr.open('DELETE', url_, true);
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67 xhr.timeout = timeoutInSeconds * 1000;
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68 xhr.responseType = 'arraybuffer';
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69 xhr.setRequestHeader('Content-type', 'application/octet-stream');
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70
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71 var headers = JSON.parse(headersInJsonString_);
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72 for (var key in headers) {
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73 xhr.setRequestHeader(key, headers[key]);
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74 }
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75
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76 xhr.onreadystatechange = function() {
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77 if (this.readyState == XMLHttpRequest.DONE) {
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78 if (xhr.status === 200) {
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79 WasmWebService_NotifySuccess(callableSuccess, url_, new Uint8Array(this.response),
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80 this.response.byteLength, payload);
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81 } else {
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82 WasmWebService_NotifyError(callableFailure, url_, payload);
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83 }
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84 }
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85 }
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86
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87 xhr.send();
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88 }
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89
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90 });