mbed official / Socket

mbed socket API

Dependents:   EthernetInterface EthernetInterface_RSF EthernetInterface EthernetInterface ... more

Deprecated

This is an mbed 2 sockets library. For mbed 5, network sockets have been revised to better support additional network stacks and thread safety here.

Endpoint.cpp@19:434906b5b977, 2013-08-19 (annotated)

Committer:
bogdanm
Date:
Mon Aug 19 18:38:18 2013 +0300
Revision:
19:434906b5b977
Parent:
16:2d471deff212 
Sync with official mbed library release 66

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 16:2d471deff212 1 /* Copyright (C) 2012 mbed.org, MIT License
emilmont 16:2d471deff212 2 *
emilmont 16:2d471deff212 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
emilmont 16:2d471deff212 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
emilmont 16:2d471deff212 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
emilmont 16:2d471deff212 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
emilmont 16:2d471deff212 7 * furnished to do so, subject to the following conditions:
emilmont 16:2d471deff212 8 *
emilmont 16:2d471deff212 9 * The above copyright notice and this permission notice shall be included in all copies or
emilmont 16:2d471deff212 10 * substantial portions of the Software.
emilmont 16:2d471deff212 11 *
emilmont 16:2d471deff212 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
emilmont 16:2d471deff212 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
emilmont 16:2d471deff212 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
emilmont 16:2d471deff212 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
emilmont 16:2d471deff212 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
emilmont 16:2d471deff212 17 */
emilmont 16:2d471deff212 18 #include "Socket/Socket.h"
emilmont 16:2d471deff212 19 #include "Socket/Endpoint.h"
emilmont 16:2d471deff212 20 #include <cstring>
emilmont 16:2d471deff212 21 #include <cstdio>
emilmont 16:2d471deff212 22
emilmont 16:2d471deff212 23 Endpoint::Endpoint() {
emilmont 16:2d471deff212 24 reset_address();
emilmont 16:2d471deff212 25 }
emilmont 16:2d471deff212 26 Endpoint::~Endpoint() {}
emilmont 16:2d471deff212 27
emilmont 16:2d471deff212 28 void Endpoint::reset_address(void) {
emilmont 16:2d471deff212 29 std::memset(&_remoteHost, 0, sizeof(struct sockaddr_in));
emilmont 16:2d471deff212 30 _ipAddress[0] = '\0';
emilmont 16:2d471deff212 31 }
emilmont 16:2d471deff212 32
emilmont 16:2d471deff212 33 #include "stdio.h"
emilmont 16:2d471deff212 34
emilmont 16:2d471deff212 35 int Endpoint::set_address(const char* host, const int port) {
emilmont 16:2d471deff212 36 reset_address();
emilmont 16:2d471deff212 37
emilmont 16:2d471deff212 38 // IP Address
emilmont 16:2d471deff212 39 char address[5];
emilmont 16:2d471deff212 40 char *p_address = address;
emilmont 16:2d471deff212 41
emilmont 16:2d471deff212 42 // Dot-decimal notation
emilmont 16:2d471deff212 43 int result = std::sscanf(host, "%3u.%3u.%3u.%3u",
emilmont 16:2d471deff212 44 (unsigned int*)&address[0], (unsigned int*)&address[1],
emilmont 16:2d471deff212 45 (unsigned int*)&address[2], (unsigned int*)&address[3]);
emilmont 16:2d471deff212 46
emilmont 16:2d471deff212 47 if (result != 4) {
emilmont 16:2d471deff212 48 // Resolve address with DNS
emilmont 16:2d471deff212 49 struct hostent *host_address = lwip_gethostbyname(host);
emilmont 16:2d471deff212 50 if (host_address == NULL)
emilmont 16:2d471deff212 51 return -1; //Could not resolve address
emilmont 16:2d471deff212 52 p_address = (char*)host_address->h_addr_list[0];
emilmont 16:2d471deff212 53 }
emilmont 16:2d471deff212 54 std::memcpy((char*)&_remoteHost.sin_addr.s_addr, p_address, 4);
emilmont 16:2d471deff212 55
emilmont 16:2d471deff212 56 // Address family
emilmont 16:2d471deff212 57 _remoteHost.sin_family = AF_INET;
emilmont 16:2d471deff212 58
emilmont 16:2d471deff212 59 // Set port
emilmont 16:2d471deff212 60 _remoteHost.sin_port = htons(port);
emilmont 16:2d471deff212 61
emilmont 16:2d471deff212 62 return 0;
emilmont 16:2d471deff212 63 }
emilmont 16:2d471deff212 64
emilmont 16:2d471deff212 65 char* Endpoint::get_address() {
emilmont 16:2d471deff212 66 if ((_ipAddress[0] == '\0') && (_remoteHost.sin_addr.s_addr != 0))
emilmont 16:2d471deff212 67 inet_ntoa_r(_remoteHost.sin_addr, _ipAddress, sizeof(_ipAddress));
emilmont 16:2d471deff212 68 return _ipAddress;
emilmont 16:2d471deff212 69 }
emilmont 16:2d471deff212 70
emilmont 16:2d471deff212 71 int Endpoint::get_port() {
emilmont 16:2d471deff212 72 return ntohs(_remoteHost.sin_port);
emilmont 16:2d471deff212 73 }