Mercurial > MadButterfly

annotate nodejs/examples/mce/epg.js @ 1083:555d89e704c0 openvg

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author Thinker K.F. Li <thinker@codemud.net>
date Fri, 03 Dec 2010 08:49:00 +0800
parents eb3719020866
children 3d438daea48c
rev   line source
932
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
wycc
parents:
diff changeset
1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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2 // vim: sw=4:ts=8:sts=4
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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3 var http = require('http');
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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4 var URL = require('url');
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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5 var sys = require("sys");
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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6 var fs = require("fs");
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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7 var os = require("child_process");
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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8 function EPG()
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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9 {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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10 var epgsrv = http.createClient(8080, '211.23.50.144');
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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11 var cmd = '{"Protocol":"EPG-CSP","Command":"SearchRequest","ProgramCat":"MainCat"}';
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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12 var headers={
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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13 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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14 'Host':'211.23.50.144:8080',
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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15 'User-Agent':'MadButterfly',
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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16 'Content-Type':'application/x-www-form-urlencoded'
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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17 };
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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18 headers['Content-Length'] = cmd.length;
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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19 var request = epgsrv.request('POST', '/IPTV_EPG/EPGService.do?timestamp='+new Date().getTime(),headers);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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20 var self = this;
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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21 sys.puts("aaaa");
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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22 var js = '';
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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23 request.write(cmd);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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24 request.end();
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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25 request.on('response', function(res) {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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26 sys.puts("connected");
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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27 res.on('data',function (data) {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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28 js = js + data;
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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29 });
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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30 res.on('end', function () {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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31 res = JSON.parse(js);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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32 sys.puts("parsed");
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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33 self.onLoad(res);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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34
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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35 });
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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36 });
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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37 }
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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38
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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39
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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40 /**
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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41 * Check if the file has been cached. Create a symbolic to link if it is cached already.
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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42 *
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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43 */
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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44 function isCached(cachepath,file,obj) {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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45 var fields = cachepath.split('.');
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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46 try {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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47 var ext = fields.pop();
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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48 var pngfile = cachepath;
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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49 sys.puts("ext="+ext);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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50 if (ext != 'png') {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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51 fields.push('png');
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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52 pngfile = fields.join('.');
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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53 }
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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54 var st = fs.statSync(pngfile);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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55 try {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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56 fs.unlinkSync(file);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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57 } catch(e) {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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58 }
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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59 fs.linkSync(pngfile, file);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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60 obj.pend = obj.pend - 1;
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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61 if (obj.pend == 0) {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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62 obj.onInitDone();
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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63 }
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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64 return 1;
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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65 } catch(e) {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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66 sys.puts(e);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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67 }
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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68 return 0;
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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69 }
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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70
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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71 /**
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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72 * Implement the mkdir -p to create the directory
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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73 */
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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74 function CreateDirectory(cachepath)
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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75 {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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76 var fields = cachepath.split('/');
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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77 var p='';
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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78 for(i=0;i<fields.length-1;i++) {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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79 p = p + fields[i]+'/';
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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80 try {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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81 fs.mkdirSync(p,0777);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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82 } catch(e) {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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83 }
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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84 }
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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85 }
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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86 /*
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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87 * We will check the cache directory. If the file is available, we will create a symbolic link only. Otherwise,
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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88 * we will fetch it before create the symbolic link.
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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89 */
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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90 function httpGetFile(url,file,obj)
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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91 {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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92 sys.puts("fetch "+ file);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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93 var u = URL.parse(url);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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94 var cachepath = 'cache/'+u.pathname;
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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95 if (isCached(cachepath,file,obj)) return;
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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96 CreateDirectory(cachepath);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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97
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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98 // Fetch file from the server and convert it tyo PNG if it is not PNG format.
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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99 var f = fs.openSync(cachepath,'w');
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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100 sys.puts("f="+f);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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101 var headers={
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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102 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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103 'Host':'211.23.50.144:8080',
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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104 'User-Agent':'MadButterfly',
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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105 'Content-Type':'application/x-www-form-urlencoded'
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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106 };
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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107 sys.puts("host="+u.host+' '+u.port+' '+u.pathname);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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108 for(k in u) {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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109 sys.puts(k+"--->"+u[k]);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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110 }
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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111 var c = http.createClient(8080,'211.23.50.144');
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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112 var req = c.request('GET',u.pathname,headers);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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113 req.end();
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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114 req.on('response', function(res) {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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115 res.on('data',function(data) {
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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116 fs.writeSync(f,data,0,data.length);
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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117 });
bd9b0142fc7e Update the sample application. We can use the ./test5 to test it now. It will download the image from the VOD server and render it in the screen.
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118 res.on('end',function() {
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119 fs.close(f);
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120 var fields = cachepath.split('.');
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121 var ext = fields.pop();
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122 if (ext != "png") {
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123 fields.push("png");
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124 newf = fields.join(".");
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125 sys.puts("cachepath="+cachepath+" newf="+newf);
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126 os.spawn("convert",[cachepath,newf]);
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127 } else {
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128 newf = cachepath;
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129 }
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130 try {
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131 fs.unlinkSync(file);
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132 } catch(e) {
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133 }
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134 sys.puts("end of "+cachepath+" to "+file);
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135 fs.symlinkSync(newf, file);
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136 obj.pend = obj.pend - 1;
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137 if (obj.pend == 0) {
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138 obj.onInitDone();
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139 }
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140
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141 });
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142
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143 });
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144 }
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145
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146 EPG.prototype.onLoad = function(res) {
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147 cats = res['ProgramCat'];
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148 this.pend = cats.length;
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149 this.maincat = cats;
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150 for (i in cats) {
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151 c = cats[i];
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152 httpGetFile(c['ProgramPIC'],'cat'+i+'.png',this);
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153 }
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154 }
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155
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156 EPG.prototype.getList=function(item,func) {
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157 var epgsrv = http.createClient(8080, '211.23.50.144');
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158 var cmd = '{"Protocol":"EPG-CSP","Command":"SearchRequest","ProgramSub":"'+item.Category+'"}';
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159 var headers={
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160 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
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161 'Host':'211.23.50.144:8080',
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162 'User-Agent':'MadButterfly',
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163 'Content-Type':'application/x-www-form-urlencoded'
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164 };
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165 headers['Content-Length'] = cmd.length;
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166 var request = epgsrv.request('POST', '/IPTV_EPG/EPGService.do?timestamp='+new Date().getTime(),headers);
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167 var self = this;
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168 sys.puts("aaaa");
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169 var js = '';
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170 request.write(cmd);
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171 request.end();
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172 request.on('response', function(res) {
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173 sys.puts("connected");
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174 res.on('data',function (data) {
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175 js = js + data;
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176 });
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177 res.on('end', function () {
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178 res = JSON.parse(js);
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179 sys.puts("parsed");
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180 func();
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181
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182 });
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183 });
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184 }
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185 EPG.prototype.onInitDone=function() {
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186 if (this.loadCallback)
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187 this.loadCallback();
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188 }
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189
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190 EPG.prototype.registerInitDone=function(cb) {
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191 this.loadCallback = cb;
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192 }
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193
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194 exports.EPG = EPG;