Host library for controlling a WiConnect enabled Wi-Fi module.
Dependents: wiconnect-ota_example wiconnect-web_setup_example wiconnect-test-console wiconnect-tcp_server_example ... more
Diff: Endpoint.cpp
- Revision:
- 29:b6af04b77a56
diff -r 3c52f578708a -r b6af04b77a56 Endpoint.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Endpoint.cpp Mon Oct 27 13:42:26 2014 -0700 @@ -0,0 +1,86 @@ +/* Copyright (C) 2012 mbed.org, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ +#include "api/types/Socket/Socket.h" +#include "api/types/Socket/Endpoint.h" +#include <cstring> +#include <cstdio> + + + +/*************************************************************************************************/ +Endpoint::Endpoint() +{ + reset_address(); +} + +/*************************************************************************************************/ +Endpoint::~Endpoint() {} + +/*************************************************************************************************/ +void Endpoint::reset_address(void) +{ + std::memset(&_remoteHost, 0, sizeof(struct sockaddr_in)); + _ipAddress[0] = '\0'; +} + +/*************************************************************************************************/ +int Endpoint::set_address(const char* host, const int port) +{ + reset_address(); + + // IP Address + char address[5]; + char *p_address = address; + + // Dot-decimal notation + int result = std::sscanf(host, "%3u.%3u.%3u.%3u", + (unsigned int*)&address[0], (unsigned int*)&address[1], + (unsigned int*)&address[2], (unsigned int*)&address[3]); + + if (result != 4) + { + // Resolve address with DNS + struct hostent *host_address = gethostbyname(host); + if (host_address == NULL) + return -1; //Could not resolve address + p_address = (char*)host_address->h_addr_list[0]; + } + std::memcpy((char*)&_remoteHost.sin_addr.s_addr, p_address, 4); + + // Address family + _remoteHost.sin_family = AF_INET; + + // Set port + _remoteHost.sin_port = htons(port); + + return 0; +} + +/*************************************************************************************************/ +char* Endpoint::get_address() +{ + if ((_ipAddress[0] == '\0') && (_remoteHost.sin_addr.s_addr != 0)) + inet_ntoa_r(_remoteHost.sin_addr, _ipAddress, sizeof(_ipAddress)); + return _ipAddress; +} + +/*************************************************************************************************/ +int Endpoint::get_port() +{ + return ntohs(_remoteHost.sin_port); +}