Wayne Jay / EthernetInterface

Onenet

Dependents:   K64F_eCompass_OneNET_JW

Socket/Endpoint.cpp@0:b2805b6888dc, 2016-06-20 (annotated)

Committer:
robert_jw
Date:
Mon Jun 20 01:40:20 2016 +0000
Revision:
0:b2805b6888dc
ADS

Who changed what in which revision?

UserRevisionLine numberNew contents of line
robert_jw 0:b2805b6888dc 1 /* Copyright (C) 2012 mbed.org, MIT License
robert_jw 0:b2805b6888dc 2 *
robert_jw 0:b2805b6888dc 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
robert_jw 0:b2805b6888dc 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
robert_jw 0:b2805b6888dc 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
robert_jw 0:b2805b6888dc 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
robert_jw 0:b2805b6888dc 7 * furnished to do so, subject to the following conditions:
robert_jw 0:b2805b6888dc 8 *
robert_jw 0:b2805b6888dc 9 * The above copyright notice and this permission notice shall be included in all copies or
robert_jw 0:b2805b6888dc 10 * substantial portions of the Software.
robert_jw 0:b2805b6888dc 11 *
robert_jw 0:b2805b6888dc 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
robert_jw 0:b2805b6888dc 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
robert_jw 0:b2805b6888dc 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
robert_jw 0:b2805b6888dc 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
robert_jw 0:b2805b6888dc 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
robert_jw 0:b2805b6888dc 17 */
robert_jw 0:b2805b6888dc 18 #include "Socket/Socket.h"
robert_jw 0:b2805b6888dc 19 #include "Socket/Endpoint.h"
robert_jw 0:b2805b6888dc 20 #include <cstring>
robert_jw 0:b2805b6888dc 21 #include <cstdio>
robert_jw 0:b2805b6888dc 22
robert_jw 0:b2805b6888dc 23 Endpoint::Endpoint() {
robert_jw 0:b2805b6888dc 24 reset_address();
robert_jw 0:b2805b6888dc 25 }
robert_jw 0:b2805b6888dc 26 Endpoint::~Endpoint() {}
robert_jw 0:b2805b6888dc 27
robert_jw 0:b2805b6888dc 28 void Endpoint::reset_address(void) {
robert_jw 0:b2805b6888dc 29 std::memset(&_remoteHost, 0, sizeof(struct sockaddr_in));
robert_jw 0:b2805b6888dc 30 _ipAddress[0] = '\0';
robert_jw 0:b2805b6888dc 31 }
robert_jw 0:b2805b6888dc 32
robert_jw 0:b2805b6888dc 33 #include "stdio.h"
robert_jw 0:b2805b6888dc 34
robert_jw 0:b2805b6888dc 35 int Endpoint::set_address(const char* host, const int port) {
robert_jw 0:b2805b6888dc 36 reset_address();
robert_jw 0:b2805b6888dc 37
robert_jw 0:b2805b6888dc 38 // IP Address
robert_jw 0:b2805b6888dc 39 char address[5];
robert_jw 0:b2805b6888dc 40 char *p_address = address;
robert_jw 0:b2805b6888dc 41
robert_jw 0:b2805b6888dc 42 // Dot-decimal notation
robert_jw 0:b2805b6888dc 43 int result = std::sscanf(host, "%3u.%3u.%3u.%3u",
robert_jw 0:b2805b6888dc 44 (unsigned int*)&address[0], (unsigned int*)&address[1],
robert_jw 0:b2805b6888dc 45 (unsigned int*)&address[2], (unsigned int*)&address[3]);
robert_jw 0:b2805b6888dc 46
robert_jw 0:b2805b6888dc 47 if (result != 4) {
robert_jw 0:b2805b6888dc 48 // Resolve address with DNS
robert_jw 0:b2805b6888dc 49 struct hostent *host_address = lwip_gethostbyname(host);
robert_jw 0:b2805b6888dc 50 if (host_address == NULL)
robert_jw 0:b2805b6888dc 51 return -1; //Could not resolve address
robert_jw 0:b2805b6888dc 52 p_address = (char*)host_address->h_addr_list[0];
robert_jw 0:b2805b6888dc 53 }
robert_jw 0:b2805b6888dc 54 std::memcpy((char*)&_remoteHost.sin_addr.s_addr, p_address, 4);
robert_jw 0:b2805b6888dc 55
robert_jw 0:b2805b6888dc 56 // Address family
robert_jw 0:b2805b6888dc 57 _remoteHost.sin_family = AF_INET;
robert_jw 0:b2805b6888dc 58
robert_jw 0:b2805b6888dc 59 // Set port
robert_jw 0:b2805b6888dc 60 _remoteHost.sin_port = htons(port);
robert_jw 0:b2805b6888dc 61
robert_jw 0:b2805b6888dc 62 return 0;
robert_jw 0:b2805b6888dc 63 }
robert_jw 0:b2805b6888dc 64
robert_jw 0:b2805b6888dc 65 char* Endpoint::get_address() {
robert_jw 0:b2805b6888dc 66 if ((_ipAddress[0] == '\0') && (_remoteHost.sin_addr.s_addr != 0))
robert_jw 0:b2805b6888dc 67 inet_ntoa_r(_remoteHost.sin_addr, _ipAddress, sizeof(_ipAddress));
robert_jw 0:b2805b6888dc 68 return _ipAddress;
robert_jw 0:b2805b6888dc 69 }
robert_jw 0:b2805b6888dc 70
robert_jw 0:b2805b6888dc 71 int Endpoint::get_port() {
robert_jw 0:b2805b6888dc 72 return ntohs(_remoteHost.sin_port);
robert_jw 0:b2805b6888dc 73 }