Mercurial > hg > orthanc-stone
annotate Platforms/Wasm/WasmWebService.js @ 286:6b3d91857b96 am-2
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author | am@osimis.io |
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date | Tue, 28 Aug 2018 15:34:20 +0200 |
parents | 9afafb192180 |
children | 3897f9f28cfa |
rev | line source |
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1 mergeInto(LibraryManager.library, { |
257 | 2 WasmWebService_ScheduleGetRequest: function(callback, url, headersInJsonString, payload) { |
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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(); |
257 | 6 var url_ = UTF8ToString(url); |
7 var headersInJsonString_ = UTF8ToString(headersInJsonString); | |
8 | |
9 xhr.open('GET', url_, true); | |
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10 xhr.responseType = 'arraybuffer'; |
257 | 11 var headers = JSON.parse(headersInJsonString_); |
12 for (var key in headers) { | |
13 xhr.setRequestHeader(key, headers[key]); | |
14 } | |
15 // console.log(xhr); | |
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16 xhr.onreadystatechange = function() { |
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17 if (this.readyState == XMLHttpRequest.DONE) { |
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18 if (xhr.status === 200) { |
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19 // TODO - Is "new Uint8Array()" necessary? This copies the |
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20 // answer to the WebAssembly stack, hence necessitating |
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21 // increasing the TOTAL_STACK parameter of Emscripten |
257 | 22 WasmWebService_NotifySuccess(callback, url_, new Uint8Array(this.response), |
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23 this.response.byteLength, payload); |
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24 } else { |
257 | 25 WasmWebService_NotifyError(callback, url_, payload); |
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26 } |
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27 } |
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28 } |
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29 |
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30 xhr.send(); |
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31 }, |
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32 |
257 | 33 WasmWebService_SchedulePostRequest: function(callback, url, headersInJsonString, body, bodySize, payload) { |
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34 var xhr = new XMLHttpRequest(); |
257 | 35 var url_ = UTF8ToString(url); |
36 var headersInJsonString_ = UTF8ToString(headersInJsonString); | |
37 xhr.open('POST', url_, true); | |
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38 xhr.responseType = 'arraybuffer'; |
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39 xhr.setRequestHeader('Content-type', 'application/octet-stream'); |
257 | 40 |
41 var headers = JSON.parse(headersInJsonString_); | |
42 for (var key in headers) { | |
43 xhr.setRequestHeader(key, headers[key]); | |
44 } | |
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45 |
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46 xhr.onreadystatechange = function() { |
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47 if (this.readyState == XMLHttpRequest.DONE) { |
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48 if (xhr.status === 200) { |
257 | 49 WasmWebService_NotifySuccess(callback, url_, new Uint8Array(this.response), |
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50 this.response.byteLength, payload); |
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51 } else { |
257 | 52 WasmWebService_NotifyError(callback, url_, payload); |
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53 } |
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54 } |
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55 } |
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56 |
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57 xhr.send(new Uint8ClampedArray(HEAPU8.buffer, body, bodySize)); |
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58 } |
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59 }); |