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: TCPSocketConnection.cpp
- Revision:
- 29:b6af04b77a56
- Child:
- 32:b2bdbc018665
diff -r 3c52f578708a -r b6af04b77a56 TCPSocketConnection.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TCPSocketConnection.cpp Mon Oct 27 13:42:26 2014 -0700 @@ -0,0 +1,141 @@ +/** + * 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; +} + +