test
Fork of MultiIoTBoardLib by
Diff: ESP8266InterfaceTiny/Socket/UDPSocket.cpp
- Revision:
- 1:7b12eea9844a
- Parent:
- 0:bad9495b4215
diff -r bad9495b4215 -r 7b12eea9844a ESP8266InterfaceTiny/Socket/UDPSocket.cpp --- a/ESP8266InterfaceTiny/Socket/UDPSocket.cpp Fri Jul 28 02:23:25 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,154 +0,0 @@ -/* 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> - -UDPSocket::UDPSocket() -{ - endpoint_configured = false; - endpoint_read = false; - Endpoint currentEndpoint; -} - -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); - - // initialize transparent mode if not already done - if(!endpoint_configured) { - // initialize UDP (default id of -1 means transparent mode) - //!wifi->start(ESP_UDP_TYPE, remote._ipAddress, remote._port, remote._id - if(!wifi->startUDP(remote._ipAddress, remote._port, 0,length)) { - return(-1); - } - endpoint_configured = true; - } - - 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; - - //make this the non-blocking case and return if <= 0 - // remember to change the config to blocking - // if ( ! _blocking) { - // if ( wifi.readable <= 0 ) { - // return (wifi.readable); - // } - // } - //--- - tmr.start(); - if (_blocking) { - while (1) { - nb_available = wifi->readable(); - if (nb_available != 0) { - break; - } - } - } - //--- - // blocking case - else { - tmr.reset(); - - while (time < _timeout) { - nb_available = wifi->readable(); - if (nb_available < 0) return nb_available; - if (nb_available > 0) break ; - time = tmr.read_ms(); - } - - if (nb_available == 0) return nb_available; - } - - // change this to < 20 mS timeout per byte to detect end of packet gap - // this may not work due to buffering at the UART interface - tmr.reset(); - // while ( tmr.read_ms() < 20 ) { - // if ( wifi.readable() && (idx < length) ) { - // buffer[idx++] = wifi->getc(); - // tmr.reset(); - // } - // if ( idx == length ) { - // break; - // } - // } - //--- - while (time < _timeout) { - - nb_available = wifi->readable(); - //for (int i = 0; i < min(nb_available, length); i++) { - for (int i = 0; i < min(nb_available, (length-idx)); 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) -{ - currentEndpoint = ep; - return true; -} - -bool UDPSocket::readEndpoint(Endpoint & ep) -{ - ep = currentEndpoint; - return true; -}