ngui-tools/toolchain/remote_log.js

A GUI typesetting display engine and cross platform GUI application development framework based on NodeJS/OpenGL

/* ***** BEGIN LICENSE BLOCK *****
 * Distributed under the BSD license:
 *
 * Copyright (c) 2015, xuewen.chu
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of xuewen.chu nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL xuewen.chu BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * ***** END LICENSE BLOCK ***** */

var http = require('http');
var path = require('ngui-stew/url');
var util = require('ngui-stew');
var querystring = require('querystring');
var remote_log_uri = null;

function remote_log_print_with_post(data) {
  var uri = remote_log_uri;
  if ( !uri ) return;

  var postData = querystring.stringify(data);

  var opt = { 
    hostname: uri.hostname,
    method: 'POST',
    path: '/$console/log/',
    headers: {
      'Content-Type': 'application/x-www-form-urlencoded',
      'Content-Length': Buffer.byteLength(postData)
    }
  }
  port = parseInt(uri.port);
  if ( !isNaN(port) ) {
    opt.port = port;
  }
  var req = http.request(opt, function() { });

  // write data to request body
  req.write(postData);
  req.end();
}

function remote_log_print(args) {
  var uri = remote_log_uri;
  if ( uri ) {
  	var url = util.resolve(uri.href, '/$console/log');
    http.get(url + '/' + args, function() { });
  }
}

function set_remote_log_address(address) {
  if ( /^https?:\/\/[^\/]+/.test(String(address)) ) {
	  remote_log_uri = new path.URL(String(address));
  } else {
  	remote_log_uri = null;
  }
}

exports.remote_log_print = remote_log_print;
exports.remote_log_print_with_post = remote_log_print_with_post;
exports.set_remote_log_address = set_remote_log_address;