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

api/types/Socket/internal/TCPSocketConnection.cpp@39:a963f69cb2de, 2015-02-23 (annotated)

Committer:
dan_ackme
Date:
Mon Feb 23 20:30:18 2015 -0800
Revision:
39:a963f69cb2de
added httpAcceptWebsocket API

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dan_ackme 39:a963f69cb2de 1 /**
dan_ackme 39:a963f69cb2de 2 * ACKme WiConnect Host Library is licensed under the BSD licence:
dan_ackme 39:a963f69cb2de 3 *
dan_ackme 39:a963f69cb2de 4 * Copyright (c)2014 ACKme Networks.
dan_ackme 39:a963f69cb2de 5 * All rights reserved.
dan_ackme 39:a963f69cb2de 6 *
dan_ackme 39:a963f69cb2de 7 * Redistribution and use in source and binary forms, with or without modification,
dan_ackme 39:a963f69cb2de 8 * are permitted provided that the following conditions are met:
dan_ackme 39:a963f69cb2de 9 *
dan_ackme 39:a963f69cb2de 10 * 1. Redistributions of source code must retain the above copyright notice,
dan_ackme 39:a963f69cb2de 11 * this list of conditions and the following disclaimer.
dan_ackme 39:a963f69cb2de 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
dan_ackme 39:a963f69cb2de 13 * this list of conditions and the following disclaimer in the documentation
dan_ackme 39:a963f69cb2de 14 * and/or other materials provided with the distribution.
dan_ackme 39:a963f69cb2de 15 * 3. The name of the author may not be used to endorse or promote products
dan_ackme 39:a963f69cb2de 16 * derived from this software without specific prior written permission.
dan_ackme 39:a963f69cb2de 17 *
dan_ackme 39:a963f69cb2de 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED
dan_ackme 39:a963f69cb2de 19 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
dan_ackme 39:a963f69cb2de 20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
dan_ackme 39:a963f69cb2de 21 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
dan_ackme 39:a963f69cb2de 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
dan_ackme 39:a963f69cb2de 23 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
dan_ackme 39:a963f69cb2de 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
dan_ackme 39:a963f69cb2de 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
dan_ackme 39:a963f69cb2de 26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
dan_ackme 39:a963f69cb2de 27 * OF SUCH DAMAGE.
dan_ackme 39:a963f69cb2de 28 */
dan_ackme 39:a963f69cb2de 29
dan_ackme 39:a963f69cb2de 30 #include "Wiconnect.h"
dan_ackme 39:a963f69cb2de 31 #include "api/types/Socket/TCPSocketConnection.h"
dan_ackme 39:a963f69cb2de 32
dan_ackme 39:a963f69cb2de 33
dan_ackme 39:a963f69cb2de 34
dan_ackme 39:a963f69cb2de 35 /*************************************************************************************************/
dan_ackme 39:a963f69cb2de 36 TCPSocketConnection::TCPSocketConnection(int rxBufferLen, void *rxBuffer, int txBufferLen, void *txBuffer)
dan_ackme 39:a963f69cb2de 37 : Socket(rxBufferLen, rxBuffer, txBufferLen, txBuffer)
dan_ackme 39:a963f69cb2de 38 {
dan_ackme 39:a963f69cb2de 39 }
dan_ackme 39:a963f69cb2de 40
dan_ackme 39:a963f69cb2de 41 /*************************************************************************************************/
dan_ackme 39:a963f69cb2de 42 int TCPSocketConnection::connect(const char* host, const int port)
dan_ackme 39:a963f69cb2de 43 {
dan_ackme 39:a963f69cb2de 44 return (Wiconnect::getInstance()->tcpConnect(socket, host, (uint16_t)port) == WICONNECT_SUCCESS) ? 0 : -1;
dan_ackme 39:a963f69cb2de 45 }
dan_ackme 39:a963f69cb2de 46
dan_ackme 39:a963f69cb2de 47 /*************************************************************************************************/
dan_ackme 39:a963f69cb2de 48 bool TCPSocketConnection::is_connected(void)
dan_ackme 39:a963f69cb2de 49 {
dan_ackme 39:a963f69cb2de 50 return socket.isConnected();
dan_ackme 39:a963f69cb2de 51 }
dan_ackme 39:a963f69cb2de 52
dan_ackme 39:a963f69cb2de 53 /*************************************************************************************************/
dan_ackme 39:a963f69cb2de 54 // currently there's no way to timeout writing data to WiConnect, so we just have to try and send it all.
dan_ackme 39:a963f69cb2de 55 // NOTE: this WILL be fixed in the next version
dan_ackme 39:a963f69cb2de 56 int TCPSocketConnection::send(char* data, int length)
dan_ackme 39:a963f69cb2de 57 {
dan_ackme 39:a963f69cb2de 58 return send_all(data, length);
dan_ackme 39:a963f69cb2de 59 }
dan_ackme 39:a963f69cb2de 60
dan_ackme 39:a963f69cb2de 61 /*************************************************************************************************/
dan_ackme 39:a963f69cb2de 62 // -1 if unsuccessful, else number of bytes written
dan_ackme 39:a963f69cb2de 63 int TCPSocketConnection::send_all(char* data, int length)
dan_ackme 39:a963f69cb2de 64 {
dan_ackme 39:a963f69cb2de 65 return (socket.write(data, length, true) == WICONNECT_SUCCESS) ? length : -1;
dan_ackme 39:a963f69cb2de 66 }
dan_ackme 39:a963f69cb2de 67
dan_ackme 39:a963f69cb2de 68 /*************************************************************************************************/
dan_ackme 39:a963f69cb2de 69 int TCPSocketConnection::receive(char* data, int length)
dan_ackme 39:a963f69cb2de 70 {
dan_ackme 39:a963f69cb2de 71 uint16_t bytesRead;
dan_ackme 39:a963f69cb2de 72
dan_ackme 39:a963f69cb2de 73 if (!_blocking)
dan_ackme 39:a963f69cb2de 74 {
dan_ackme 39:a963f69cb2de 75 if(socket.getRxBufferSize() == 0 || socket.getRxBufferBytesPending() == 0)
dan_ackme 39:a963f69cb2de 76 {
dan_ackme 39:a963f69cb2de 77 TimeoutTimer timer;
dan_ackme 39:a963f69cb2de 78
dan_ackme 39:a963f69cb2de 79 for(;;)
dan_ackme 39:a963f69cb2de 80 {
dan_ackme 39:a963f69cb2de 81 bool hasData;
dan_ackme 39:a963f69cb2de 82
dan_ackme 39:a963f69cb2de 83 if(socket.poll(&hasData) != WICONNECT_SUCCESS)
dan_ackme 39:a963f69cb2de 84 {
dan_ackme 39:a963f69cb2de 85 return -1;
dan_ackme 39:a963f69cb2de 86 }
dan_ackme 39:a963f69cb2de 87 else if(hasData)
dan_ackme 39:a963f69cb2de 88 {
dan_ackme 39:a963f69cb2de 89 break;
dan_ackme 39:a963f69cb2de 90 }
dan_ackme 39:a963f69cb2de 91 else if(timer.timedOut(_timeout))
dan_ackme 39:a963f69cb2de 92 {
dan_ackme 39:a963f69cb2de 93 return -1;
dan_ackme 39:a963f69cb2de 94 }
dan_ackme 39:a963f69cb2de 95 }
dan_ackme 39:a963f69cb2de 96 }
dan_ackme 39:a963f69cb2de 97 }
dan_ackme 39:a963f69cb2de 98
dan_ackme 39:a963f69cb2de 99 if(length == 1 && socket.getRxBufferSize() > 0)
dan_ackme 39:a963f69cb2de 100 {
dan_ackme 39:a963f69cb2de 101 return (socket.getc((uint8_t*)data) == WICONNECT_SUCCESS) ? 1 : -1;
dan_ackme 39:a963f69cb2de 102 }
dan_ackme 39:a963f69cb2de 103 else
dan_ackme 39:a963f69cb2de 104 {
dan_ackme 39:a963f69cb2de 105 for(;;)
dan_ackme 39:a963f69cb2de 106 {
dan_ackme 39:a963f69cb2de 107 if(socket.read(data, length, &bytesRead) != WICONNECT_SUCCESS)
dan_ackme 39:a963f69cb2de 108 {
dan_ackme 39:a963f69cb2de 109 return -1;
dan_ackme 39:a963f69cb2de 110 }
dan_ackme 39:a963f69cb2de 111 else if(bytesRead > 0)
dan_ackme 39:a963f69cb2de 112 {
dan_ackme 39:a963f69cb2de 113 return bytesRead;
dan_ackme 39:a963f69cb2de 114 }
dan_ackme 39:a963f69cb2de 115 }
dan_ackme 39:a963f69cb2de 116 }
dan_ackme 39:a963f69cb2de 117 }
dan_ackme 39:a963f69cb2de 118
dan_ackme 39:a963f69cb2de 119 /*************************************************************************************************/
dan_ackme 39:a963f69cb2de 120 // -1 if unsuccessful, else number of bytes received
dan_ackme 39:a963f69cb2de 121 int TCPSocketConnection::receive_all(char* data, int length)
dan_ackme 39:a963f69cb2de 122 {
dan_ackme 39:a963f69cb2de 123 char *ptr = data;
dan_ackme 39:a963f69cb2de 124 int totReadSize = length;
dan_ackme 39:a963f69cb2de 125
dan_ackme 39:a963f69cb2de 126 while(length > 0)
dan_ackme 39:a963f69cb2de 127 {
dan_ackme 39:a963f69cb2de 128 int bytesRead = receive(ptr, length);
dan_ackme 39:a963f69cb2de 129 if(bytesRead == -1)
dan_ackme 39:a963f69cb2de 130 {
dan_ackme 39:a963f69cb2de 131 return -1;
dan_ackme 39:a963f69cb2de 132 }
dan_ackme 39:a963f69cb2de 133 ptr += bytesRead;
dan_ackme 39:a963f69cb2de 134 length -= bytesRead;
dan_ackme 39:a963f69cb2de 135 }
dan_ackme 39:a963f69cb2de 136
dan_ackme 39:a963f69cb2de 137 return totReadSize;
dan_ackme 39:a963f69cb2de 138 }
dan_ackme 39:a963f69cb2de 139
dan_ackme 39:a963f69cb2de 140