ACKme / WiConnect

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

sdk/mbed/types/Socket/internal/TCPSocketConnection.cpp@17:7268f365676b, 2014-08-23 (annotated)

Committer:
dan_ackme
Date:
Sat Aug 23 05:39:17 2014 -0700
Revision:
17:7268f365676b
Fixes and documentation updates

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dan_ackme 17:7268f365676b 1 /**
dan_ackme 17:7268f365676b 2 * ACKme WiConnect Host Library is licensed under the BSD licence:
dan_ackme 17:7268f365676b 3 *
dan_ackme 17:7268f365676b 4 * Copyright (c)2014 ACKme Networks.
dan_ackme 17:7268f365676b 5 * All rights reserved.
dan_ackme 17:7268f365676b 6 *
dan_ackme 17:7268f365676b 7 * Redistribution and use in source and binary forms, with or without modification,
dan_ackme 17:7268f365676b 8 * are permitted provided that the following conditions are met:
dan_ackme 17:7268f365676b 9 *
dan_ackme 17:7268f365676b 10 * 1. Redistributions of source code must retain the above copyright notice,
dan_ackme 17:7268f365676b 11 * this list of conditions and the following disclaimer.
dan_ackme 17:7268f365676b 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
dan_ackme 17:7268f365676b 13 * this list of conditions and the following disclaimer in the documentation
dan_ackme 17:7268f365676b 14 * and/or other materials provided with the distribution.
dan_ackme 17:7268f365676b 15 * 3. The name of the author may not be used to endorse or promote products
dan_ackme 17:7268f365676b 16 * derived from this software without specific prior written permission.
dan_ackme 17:7268f365676b 17 *
dan_ackme 17:7268f365676b 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED
dan_ackme 17:7268f365676b 19 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
dan_ackme 17:7268f365676b 20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
dan_ackme 17:7268f365676b 21 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
dan_ackme 17:7268f365676b 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
dan_ackme 17:7268f365676b 23 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
dan_ackme 17:7268f365676b 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
dan_ackme 17:7268f365676b 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
dan_ackme 17:7268f365676b 26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
dan_ackme 17:7268f365676b 27 * OF SUCH DAMAGE.
dan_ackme 17:7268f365676b 28 */
dan_ackme 17:7268f365676b 29
dan_ackme 17:7268f365676b 30
dan_ackme 17:7268f365676b 31 #include "types/Socket/TCPSocketConnection.h"
dan_ackme 17:7268f365676b 32 #include "common.h"
dan_ackme 17:7268f365676b 33
dan_ackme 17:7268f365676b 34
dan_ackme 17:7268f365676b 35
dan_ackme 17:7268f365676b 36 /*************************************************************************************************/
dan_ackme 17:7268f365676b 37 TCPSocketConnection::TCPSocketConnection(int rxBufferLen, void *rxBuffer, int txBufferLen, void *txBuffer)
dan_ackme 17:7268f365676b 38 : Socket(rxBufferLen, rxBuffer, txBufferLen, txBuffer)
dan_ackme 17:7268f365676b 39 {
dan_ackme 17:7268f365676b 40 }
dan_ackme 17:7268f365676b 41
dan_ackme 17:7268f365676b 42 /*************************************************************************************************/
dan_ackme 17:7268f365676b 43 int TCPSocketConnection::connect(const char* host, const int port)
dan_ackme 17:7268f365676b 44 {
dan_ackme 17:7268f365676b 45 return (Wiconnect::getInstance()->tcpConnect(socket, host, (uint16_t)port) == WICONNECT_SUCCESS) ? 0 : -1;
dan_ackme 17:7268f365676b 46 }
dan_ackme 17:7268f365676b 47
dan_ackme 17:7268f365676b 48 /*************************************************************************************************/
dan_ackme 17:7268f365676b 49 bool TCPSocketConnection::is_connected(void)
dan_ackme 17:7268f365676b 50 {
dan_ackme 17:7268f365676b 51 return socket.isConnected();
dan_ackme 17:7268f365676b 52 }
dan_ackme 17:7268f365676b 53
dan_ackme 17:7268f365676b 54 /*************************************************************************************************/
dan_ackme 17:7268f365676b 55 // currently there's no way to timeout writing data to WiConnect, so we just have to try and send it all.
dan_ackme 17:7268f365676b 56 // NOTE: this WILL be fixed in the next version
dan_ackme 17:7268f365676b 57 int TCPSocketConnection::send(char* data, int length)
dan_ackme 17:7268f365676b 58 {
dan_ackme 17:7268f365676b 59 return send_all(data, length);
dan_ackme 17:7268f365676b 60 }
dan_ackme 17:7268f365676b 61
dan_ackme 17:7268f365676b 62 /*************************************************************************************************/
dan_ackme 17:7268f365676b 63 // -1 if unsuccessful, else number of bytes written
dan_ackme 17:7268f365676b 64 int TCPSocketConnection::send_all(char* data, int length)
dan_ackme 17:7268f365676b 65 {
dan_ackme 17:7268f365676b 66 return (socket.write(data, length, true) == WICONNECT_SUCCESS) ? length : -1;
dan_ackme 17:7268f365676b 67 }
dan_ackme 17:7268f365676b 68
dan_ackme 17:7268f365676b 69 /*************************************************************************************************/
dan_ackme 17:7268f365676b 70 int TCPSocketConnection::receive(char* data, int length)
dan_ackme 17:7268f365676b 71 {
dan_ackme 17:7268f365676b 72 uint16_t bytesRead;
dan_ackme 17:7268f365676b 73
dan_ackme 17:7268f365676b 74 if (!_blocking)
dan_ackme 17:7268f365676b 75 {
dan_ackme 17:7268f365676b 76 if(socket.getRxBufferSize() == 0 || socket.getRxBufferBytesPending() == 0)
dan_ackme 17:7268f365676b 77 {
dan_ackme 17:7268f365676b 78 TimeoutTimer timer;
dan_ackme 17:7268f365676b 79
dan_ackme 17:7268f365676b 80 for(;;)
dan_ackme 17:7268f365676b 81 {
dan_ackme 17:7268f365676b 82 bool hasData;
dan_ackme 17:7268f365676b 83
dan_ackme 17:7268f365676b 84 if(socket.poll(&hasData) != WICONNECT_SUCCESS)
dan_ackme 17:7268f365676b 85 {
dan_ackme 17:7268f365676b 86 return -1;
dan_ackme 17:7268f365676b 87 }
dan_ackme 17:7268f365676b 88 else if(hasData)
dan_ackme 17:7268f365676b 89 {
dan_ackme 17:7268f365676b 90 break;
dan_ackme 17:7268f365676b 91 }
dan_ackme 17:7268f365676b 92 else if(timer.timedOut(_timeout))
dan_ackme 17:7268f365676b 93 {
dan_ackme 17:7268f365676b 94 return -1;
dan_ackme 17:7268f365676b 95 }
dan_ackme 17:7268f365676b 96 }
dan_ackme 17:7268f365676b 97 }
dan_ackme 17:7268f365676b 98 }
dan_ackme 17:7268f365676b 99
dan_ackme 17:7268f365676b 100 if(length == 1 && socket.getRxBufferSize() > 0)
dan_ackme 17:7268f365676b 101 {
dan_ackme 17:7268f365676b 102 return (socket.getc((uint8_t*)data) == WICONNECT_SUCCESS) ? 1 : -1;
dan_ackme 17:7268f365676b 103 }
dan_ackme 17:7268f365676b 104 else
dan_ackme 17:7268f365676b 105 {
dan_ackme 17:7268f365676b 106 return (socket.read(data, length, &bytesRead) == WICONNECT_SUCCESS) ? (int)bytesRead : -1;
dan_ackme 17:7268f365676b 107 }
dan_ackme 17:7268f365676b 108 }
dan_ackme 17:7268f365676b 109
dan_ackme 17:7268f365676b 110 /*************************************************************************************************/
dan_ackme 17:7268f365676b 111 // -1 if unsuccessful, else number of bytes received
dan_ackme 17:7268f365676b 112 int TCPSocketConnection::receive_all(char* data, int length)
dan_ackme 17:7268f365676b 113 {
dan_ackme 17:7268f365676b 114 char *ptr = data;
dan_ackme 17:7268f365676b 115 int totReadSize = length;
dan_ackme 17:7268f365676b 116
dan_ackme 17:7268f365676b 117 while(length > 0)
dan_ackme 17:7268f365676b 118 {
dan_ackme 17:7268f365676b 119 int bytesRead = receive(ptr, length);
dan_ackme 17:7268f365676b 120 if(bytesRead == -1)
dan_ackme 17:7268f365676b 121 {
dan_ackme 17:7268f365676b 122 return -1;
dan_ackme 17:7268f365676b 123 }
dan_ackme 17:7268f365676b 124 ptr += bytesRead;
dan_ackme 17:7268f365676b 125 length -= bytesRead;
dan_ackme 17:7268f365676b 126 }
dan_ackme 17:7268f365676b 127
dan_ackme 17:7268f365676b 128 return totReadSize;
dan_ackme 17:7268f365676b 129 }
dan_ackme 17:7268f365676b 130
dan_ackme 17:7268f365676b 131