Endpoint.cpp

00001 /* Copyright (C) 2012 mbed.org, MIT License
00002  *
00003  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00004  * and associated documentation files (the "Software"), to deal in the Software without restriction,
00005  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
00006  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
00007  * furnished to do so, subject to the following conditions:
00008  *
00009  * The above copyright notice and this permission notice shall be included in all copies or
00010  * substantial portions of the Software.
00011  *
00012  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00013  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00014  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00015  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00016  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017  */
00018 #include "Socket.h"
00019 #include "Endpoint.h"
00020 
00021 Endpoint::Endpoint()
00022 {
00023     //printf("reset_address\r\n");
00024     reset_address();
00025 }
00026 Endpoint::~Endpoint() {}
00027 
00028 void Endpoint::reset_address(void)
00029 {
00030     _ipAddress[0] = '\0';
00031     _port = 0;
00032 }
00033 
00034 int Endpoint::set_address(const char* host, const int port)
00035 {
00036     //Resolve DNS address or populate hard-coded IP address
00037     WIZnet_Chip* eth = WIZnet_Chip::getInstance();
00038     if (eth == NULL) {
00039         error("Endpoint constructor error: no WIZnet chip instance available!\r\n");
00040         return -1;
00041     }
00042     uint32_t addr;
00043     if (!eth->gethostbyname(host, &addr)) {
00044         error("DNS error : Cannot get url from DNS server\r\n");
00045         return -1;
00046     }
00047     snprintf(_ipAddress, sizeof(_ipAddress), "%d.%d.%d.%d", (addr>>24)&0xff, (addr>>16)&0xff, (addr>>8)&0xff, addr&0xff);
00048     _port = port;
00049     return 0;
00050 }
00051 
00052 char* Endpoint::get_address()
00053 {
00054     return _ipAddress;
00055 }
00056 
00057 int   Endpoint::get_port()
00058 {
00059     return _port;
00060 }