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shamun/test.js

Created September 12, 2017 12:53
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  1. shamun renamed this gist Sep 12, 2017. 1 changed file with 1 addition and 0 deletions.
    1 change: 1 addition & 0 deletions test.md → test.js
    View file
    Original file line number Diff line number Diff line change
    @@ -1,3 +1,4 @@

    /*
    [Error]
    Message=Unable to open TWAIN source
  2. shamun created this gist Sep 12, 2017.
    118 changes: 118 additions & 0 deletions test.md
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,118 @@
    /*
    [Error]
    Message=Unable to open TWAIN source
    [Scan]
    Pages=0
    */

    // Basic loads
    var fs = require("fs");
    var http = require("http");

    var timer_forever = null;
    var timer_tick = 3000;
    var read_filename = 'C:\\quickscan\\qs_done.dat';

    // WebService
    var kiosk = 'bri1';
    var kioskID = '2';
    var agentID = 'secure';
    var webServiceURL = agentID + '.example.com';

    function webServicePost(input) {
    console.log(webServiceURL, kioskID, input);

    var options = {
    hostname: webServiceURL,
    port: 80,
    path: '/beehive/epson?userid=' + kioskID + '&status=' + input,
    method: 'GET'
    };

    var req = http.request(options, function(res) {
    res.setEncoding('utf8');
    res.on('data', function (chunk) {
    console.log('BODY: ' + chunk);
    });
    });

    req.on('error', function(e) {
    console.log('problem with request: ' + e.message);
    });
    req.end();

    }

    function parseINIString(data){
    var regex = {
    section: /^\s*\[\s*([^\]]*)\s*\]\s*$/,
    param: /^\s*([^=]+?)\s*=\s*(.*?)\s*$/,
    comment: /^\s*;.*$/
    };

    var value = {};
    var lines = data.split(/[\r\n]+/);
    var section = null;

    lines.forEach(function(line){
    if(regex.comment.test(line)){
    return;
    }
    else if(regex.param.test(line)){
    var match = line.match(regex.param);
    if(section){
    value[section][match[1]] = match[2];
    }
    else {
    value[match[1]] = match[2];
    }
    }
    else if(regex.section.test(line)){
    var match = line.match(regex.section);
    value[match[1]] = {};
    section = match[1];
    }
    else if(line.length == 0 && section){
    section = null;
    };
    });
    return value;
    }

    function recall() {
    timer_forever = setTimeout(function() {
    clearTimeout(timer_forever);
    listenFile();
    }, timer_tick);
    }

    //
    // NOTE:
    // if the file do not exist then the 1st scan feedback will fail
    // if the file name do exist before the service started. Then it will
    // give feedback properly
    //
    function listenFile() {
    try {
    var data = fs.watch(read_filename, {persistent:true}, (eventType,filename) => {
    try {
    if(eventType=='change') {
    var datas = fs.readFileSync(read_filename, 'utf8');
    var data_to_ini = parseINIString(datas);
    var scanned_page = data_to_ini['Scan']['Pages'];
    webServicePost(scanned_page);
    }
    }
    catch(ee) {
    }
    });

    } catch(e) {
    console.log('>>> Please wait...');
    recall();
    }
    }

    listenFile();