A fork of the original interface for OS/2. Features a correctly-implemented recv (but retains the old behavior via recv2).
Dependents: weather_clock weather_clock
Socket/TCPSocketConnection.cpp
- Committer:
- samux
- Date:
- 2012-08-24
- Revision:
- 1:fb4494783863
File content as of revision 1:fb4494783863:
/* 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 "TCPSocketConnection.h" #include <algorithm> TCPSocketConnection::TCPSocketConnection() {} int TCPSocketConnection::connect(const char* host, const int port) { if (!wifi->connect(host, port)) return -1; wifi->flush(); return 0; } bool TCPSocketConnection::is_connected(void) { return wifi->is_connected(); } int TCPSocketConnection::send(char* data, int length) { Timer tmr; if (!_blocking) { tmr.start(); while (tmr.read_ms() < _timeout) { if (wifi->writeable()) break; } if (tmr.read_ms() >= _timeout) { return -1; } } return wifi->send(data, length); } // -1 if unsuccessful, else number of bytes written int TCPSocketConnection::send_all(char* data, int length) { Timer tmr; int idx = 0; tmr.start(); while ((tmr.read_ms() < _timeout) || _blocking) { idx += wifi->send(data, length); if (idx == length) return idx; } return (idx == 0) ? -1 : idx; } // -1 if unsuccessful, else number of bytes received int TCPSocketConnection::receive(char* data, int length) { Timer tmr; int time = -1; if (!_blocking) { tmr.start(); while (time < _timeout + 20) { if (wifi->readable()) { break; } time = tmr.read_ms(); } if (time >= _timeout + 20) { return -1; } } while(!wifi->readable()); int nb_available = wifi->readable(); for (int i = 0; i < min(nb_available, length); i++) { data[i] = wifi->getc(); } return min(nb_available, length); } // -1 if unsuccessful, else number of bytes received int TCPSocketConnection::receive_all(char* data, int length) { Timer tmr; int idx = 0; int time = -1; tmr.start(); while (time < _timeout || _blocking) { int nb_available = wifi->readable(); for (int i = 0; i < min(nb_available, length); i++) { data[idx++] = wifi->getc(); } if (idx == length) break; time = tmr.read_ms(); } return (idx == 0) ? -1 : idx; }