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/UDPSocket.cpp
- Committer:
- michaeljkoster
- Date:
- 2014-12-01
- Revision:
- 16:3f0efaa57a12
- Parent:
- 13:41098c907200
- Child:
- 19:fb8d5bff2076
File content as of revision 16:3f0efaa57a12:
/* 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 "UDPSocket.h" #include <string> #include <algorithm> extern Serial pc; UDPSocket::UDPSocket() { endpoint_configured = false; endpoint_read = false; } int UDPSocket::init(void) { return 0; } // Server initialization int UDPSocket::bind(int port) { return 0; } // -1 if unsuccessful, else number of bytes written int UDPSocket::sendTo(Endpoint &remote, char *packet, int length) { Timer tmr; int idx = 0; confEndpoint(remote); tmr.start(); while ((tmr.read_ms() < _timeout) || _blocking) { idx += wifi->send(packet, length); if (idx == length) return idx; } return (idx == 0) ? -1 : idx; } // -1 if unsuccessful, else number of bytes received int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length) { Timer tmr; int idx = 0; int nb_available = 0; int time = -1; if (_blocking) { while (1) { nb_available = wifi->readable(); if (nb_available != 0) { break; } } pc.printf("UDPsocket::receiveFrom: %d bytes\r\n", nb_available); } tmr.start(); while (time < _timeout) { nb_available = wifi->readable(); for (int i = 0; i < min(nb_available, length); i++) { buffer[idx] = wifi->getc(); idx++; } if (idx == length) { break; } time = tmr.read_ms(); } readEndpoint(remote); return (idx == 0) ? -1 : idx; } bool UDPSocket::confEndpoint(Endpoint & ep) { return true; } bool UDPSocket::readEndpoint(Endpoint & ep) { return true; }