74 line
2.5 KiB
C++
74 line
2.5 KiB
C++
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/* Copyright (C) 2012 mbed.org, MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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* and associated documentation files (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge, publish, distribute,
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* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "Socket/Socket.h"
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#include "Socket/Endpoint.h"
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#include <cstring>
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#include <cstdio>
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Endpoint::Endpoint() {
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reset_address();
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}
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Endpoint::~Endpoint() {}
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void Endpoint::reset_address(void) {
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std::memset(&_remoteHost, 0, sizeof(struct sockaddr_in));
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_ipAddress[0] = '\0';
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}
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#include "stdio.h"
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int Endpoint::set_address(const char* host, const int port) {
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reset_address();
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// IP Address
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char address[5];
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char *p_address = address;
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// Dot-decimal notation
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int result = std::sscanf(host, "%3u.%3u.%3u.%3u",
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(unsigned int*)&address[0], (unsigned int*)&address[1],
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(unsigned int*)&address[2], (unsigned int*)&address[3]);
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if (result != 4) {
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// Resolve address with DNS
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struct hostent *host_address = lwip_gethostbyname(host);
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if (host_address == NULL)
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return -1; //Could not resolve address
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p_address = (char*)host_address->h_addr_list[0];
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}
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std::memcpy((char*)&_remoteHost.sin_addr.s_addr, p_address, 4);
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// Address family
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_remoteHost.sin_family = AF_INET;
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// Set port
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_remoteHost.sin_port = htons(port);
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return 0;
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}
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char* Endpoint::get_address() {
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if ((_ipAddress[0] == '\0') && (_remoteHost.sin_addr.s_addr != 0))
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inet_ntoa_r(_remoteHost.sin_addr, _ipAddress, sizeof(_ipAddress));
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return _ipAddress;
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}
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int Endpoint::get_port() {
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return ntohs(_remoteHost.sin_port);
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}
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