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
TCPSocketConnection.cpp
- Committer:
- dan_ackme
- Date:
- 2014-10-27
- Revision:
- 29:b6af04b77a56
- Child:
- 32:b2bdbc018665
File content as of revision 29:b6af04b77a56:
/** * ACKme WiConnect Host Library is licensed under the BSD licence: * * Copyright (c)2014 ACKme Networks. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. */ #include "api/types/Socket/TCPSocketConnection.h" #include "common.h" /*************************************************************************************************/ TCPSocketConnection::TCPSocketConnection(int rxBufferLen, void *rxBuffer, int txBufferLen, void *txBuffer) : Socket(rxBufferLen, rxBuffer, txBufferLen, txBuffer) { } /*************************************************************************************************/ int TCPSocketConnection::connect(const char* host, const int port) { return (Wiconnect::getInstance()->tcpConnect(socket, host, (uint16_t)port) == WICONNECT_SUCCESS) ? 0 : -1; } /*************************************************************************************************/ bool TCPSocketConnection::is_connected(void) { return socket.isConnected(); } /*************************************************************************************************/ // currently there's no way to timeout writing data to WiConnect, so we just have to try and send it all. // NOTE: this WILL be fixed in the next version int TCPSocketConnection::send(char* data, int length) { return send_all(data, length); } /*************************************************************************************************/ // -1 if unsuccessful, else number of bytes written int TCPSocketConnection::send_all(char* data, int length) { return (socket.write(data, length, true) == WICONNECT_SUCCESS) ? length : -1; } /*************************************************************************************************/ int TCPSocketConnection::receive(char* data, int length) { uint16_t bytesRead; if (!_blocking) { if(socket.getRxBufferSize() == 0 || socket.getRxBufferBytesPending() == 0) { TimeoutTimer timer; for(;;) { bool hasData; if(socket.poll(&hasData) != WICONNECT_SUCCESS) { return -1; } else if(hasData) { break; } else if(timer.timedOut(_timeout)) { return -1; } } } } if(length == 1 && socket.getRxBufferSize() > 0) { return (socket.getc((uint8_t*)data) == WICONNECT_SUCCESS) ? 1 : -1; } else { for(;;) { if(socket.read(data, length, &bytesRead) != WICONNECT_SUCCESS) { return -1; } else if(bytesRead > 0) { return bytesRead; } } } } /*************************************************************************************************/ // -1 if unsuccessful, else number of bytes received int TCPSocketConnection::receive_all(char* data, int length) { char *ptr = data; int totReadSize = length; while(length > 0) { int bytesRead = receive(ptr, length); if(bytesRead == -1) { return -1; } ptr += bytesRead; length -= bytesRead; } return totReadSize; }