Resolver.cpp

00001 /*
00002 Copyright (c) 2011, Senio Networks, Inc.
00003 
00004 Permission is hereby granted, free of charge, to any person obtaining a copy
00005 of this software and associated documentation files (the "Software"), to deal
00006 in the Software without restriction, including without limitation the rights
00007 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008 copies of the Software, and to permit persons to whom the Software is
00009 furnished to do so, subject to the following conditions:
00010 
00011 The above copyright notice and this permission notice shall be included in
00012 all copies or substantial portions of the Software.
00013 
00014 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00017 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00019 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00020 THE SOFTWARE.
00021 */
00022 
00023 #include "SimpleSocket.h"
00024 
00025 Resolver::Resolver() {}
00026 
00027 IpAddr Resolver::resolve(char *name, bool debug) {
00028     IpAddr ip;
00029     DNSRequest request;
00030     
00031     if (request.resolve(name) == DNS_OK) {
00032         replied = false;
00033         request.setOnReply(this, &Resolver::onReply);
00034         while (!replied)
00035             Net::poll();
00036         if (reply == DNS_FOUND)
00037             request.getResult(&ip);
00038     }
00039     
00040     DBG("%s -> %d.%d.%d.%d\n", name, ip[0], ip[1], ip[2], ip[3]);
00041     
00042     return ip;
00043 }
00044 
00045 
00046 void Resolver::onReply(DNSReply reply) {
00047     replied = true;
00048     this->reply = reply;
00049 }