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

UDPSocket.cpp@42:8ffb253b09e7, 2015-09-28 (annotated)

Committer:
aymangrais
Date:
Mon Sep 28 03:38:43 2015 +0000
Revision:
42:8ffb253b09e7
Parent:
32:b2bdbc018665 
increase ota timeout to be 5 seconds (instead of 1.5 sec)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dan_ackme 29:b6af04b77a56 1 /**
dan_ackme 29:b6af04b77a56 2 * ACKme WiConnect Host Library is licensed under the BSD licence:
dan_ackme 29:b6af04b77a56 3 *
dan_ackme 29:b6af04b77a56 4 * Copyright (c)2014 ACKme Networks.
dan_ackme 29:b6af04b77a56 5 * All rights reserved.
dan_ackme 29:b6af04b77a56 6 *
dan_ackme 29:b6af04b77a56 7 * Redistribution and use in source and binary forms, with or without modification,
dan_ackme 29:b6af04b77a56 8 * are permitted provided that the following conditions are met:
dan_ackme 29:b6af04b77a56 9 *
dan_ackme 29:b6af04b77a56 10 * 1. Redistributions of source code must retain the above copyright notice,
dan_ackme 29:b6af04b77a56 11 * this list of conditions and the following disclaimer.
dan_ackme 29:b6af04b77a56 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
dan_ackme 29:b6af04b77a56 13 * this list of conditions and the following disclaimer in the documentation
dan_ackme 29:b6af04b77a56 14 * and/or other materials provided with the distribution.
dan_ackme 29:b6af04b77a56 15 * 3. The name of the author may not be used to endorse or promote products
dan_ackme 29:b6af04b77a56 16 * derived from this software without specific prior written permission.
dan_ackme 29:b6af04b77a56 17 *
dan_ackme 29:b6af04b77a56 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED
dan_ackme 29:b6af04b77a56 19 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
dan_ackme 29:b6af04b77a56 20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
dan_ackme 29:b6af04b77a56 21 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
dan_ackme 29:b6af04b77a56 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
dan_ackme 29:b6af04b77a56 23 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
dan_ackme 29:b6af04b77a56 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
dan_ackme 29:b6af04b77a56 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
dan_ackme 29:b6af04b77a56 26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
dan_ackme 29:b6af04b77a56 27 * OF SUCH DAMAGE.
dan_ackme 29:b6af04b77a56 28 */
dan_ackme 29:b6af04b77a56 29
dan_ackme 32:b2bdbc018665 30 #include "Wiconnect.h"
dan_ackme 29:b6af04b77a56 31 #include "api/types/Socket/UDPSocket.h"
dan_ackme 32:b2bdbc018665 32
dan_ackme 29:b6af04b77a56 33
dan_ackme 29:b6af04b77a56 34
dan_ackme 29:b6af04b77a56 35 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 36 UDPSocket::UDPSocket(int rxBufferLen, void *rxBuffer, int txBufferLen, void *txBuffer)
dan_ackme 29:b6af04b77a56 37 : Socket(rxBufferLen, rxBuffer, txBufferLen, txBuffer), localPort(SOCKET_ANY_PORT)
dan_ackme 29:b6af04b77a56 38 {
dan_ackme 29:b6af04b77a56 39 }
dan_ackme 29:b6af04b77a56 40
dan_ackme 29:b6af04b77a56 41 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 42 int UDPSocket::init(void)
dan_ackme 29:b6af04b77a56 43 {
dan_ackme 29:b6af04b77a56 44 return 0;
dan_ackme 29:b6af04b77a56 45 }
dan_ackme 29:b6af04b77a56 46
dan_ackme 29:b6af04b77a56 47 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 48 // Server initialization
dan_ackme 29:b6af04b77a56 49 int UDPSocket::bind(int port)
dan_ackme 29:b6af04b77a56 50 {
dan_ackme 29:b6af04b77a56 51 localPort = port;
dan_ackme 29:b6af04b77a56 52 return 0;
dan_ackme 29:b6af04b77a56 53 }
dan_ackme 29:b6af04b77a56 54
dan_ackme 29:b6af04b77a56 55 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 56 int UDPSocket::join_multicast_group(const char* address)
dan_ackme 29:b6af04b77a56 57 {
dan_ackme 29:b6af04b77a56 58 return -1;
dan_ackme 29:b6af04b77a56 59 }
dan_ackme 29:b6af04b77a56 60
dan_ackme 29:b6af04b77a56 61 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 62 int UDPSocket::set_broadcasting(bool broadcast)
dan_ackme 29:b6af04b77a56 63 {
dan_ackme 29:b6af04b77a56 64 return 0;
dan_ackme 29:b6af04b77a56 65 }
dan_ackme 29:b6af04b77a56 66
dan_ackme 29:b6af04b77a56 67 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 68 // -1 if unsuccessful, else number of bytes written
dan_ackme 29:b6af04b77a56 69 int UDPSocket::sendTo(Endpoint &remote, char *packet, int length)
dan_ackme 29:b6af04b77a56 70 {
dan_ackme 29:b6af04b77a56 71 if(!socket.isConnected())
dan_ackme 29:b6af04b77a56 72 {
dan_ackme 29:b6af04b77a56 73 if(Wiconnect::getInstance()->udpConnect(socket, remote.get_address(), remote.get_port(), localPort) != WICONNECT_SUCCESS)
dan_ackme 29:b6af04b77a56 74 {
dan_ackme 29:b6af04b77a56 75 return -1;
dan_ackme 29:b6af04b77a56 76 }
dan_ackme 29:b6af04b77a56 77 }
dan_ackme 29:b6af04b77a56 78 return (socket.write(packet, length, true) == WICONNECT_SUCCESS) ? length : -1;
dan_ackme 29:b6af04b77a56 79 }
dan_ackme 29:b6af04b77a56 80
dan_ackme 29:b6af04b77a56 81 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 82 // -1 if unsuccessful, else number of bytes received
dan_ackme 29:b6af04b77a56 83 int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length)
dan_ackme 29:b6af04b77a56 84 {
dan_ackme 29:b6af04b77a56 85 uint16_t bytesRead;
dan_ackme 29:b6af04b77a56 86
dan_ackme 29:b6af04b77a56 87 if(!socket.isConnected())
dan_ackme 29:b6af04b77a56 88 {
dan_ackme 29:b6af04b77a56 89 if(Wiconnect::getInstance()->udpConnect(socket, remote._ipAddress, remote.get_port(), localPort) != WICONNECT_SUCCESS)
dan_ackme 29:b6af04b77a56 90 {
dan_ackme 29:b6af04b77a56 91 return -1;
dan_ackme 29:b6af04b77a56 92 }
dan_ackme 29:b6af04b77a56 93 }
dan_ackme 29:b6af04b77a56 94
dan_ackme 29:b6af04b77a56 95 if (!_blocking)
dan_ackme 29:b6af04b77a56 96 {
dan_ackme 29:b6af04b77a56 97 if(socket.getRxBufferSize() == 0 || socket.getRxBufferBytesPending() == 0)
dan_ackme 29:b6af04b77a56 98 {
dan_ackme 29:b6af04b77a56 99 TimeoutTimer timer;
dan_ackme 29:b6af04b77a56 100
dan_ackme 29:b6af04b77a56 101 for(;;)
dan_ackme 29:b6af04b77a56 102 {
dan_ackme 29:b6af04b77a56 103 bool hasData;
dan_ackme 29:b6af04b77a56 104
dan_ackme 29:b6af04b77a56 105 if(socket.poll(&hasData) != WICONNECT_SUCCESS)
dan_ackme 29:b6af04b77a56 106 {
dan_ackme 29:b6af04b77a56 107 return -1;
dan_ackme 29:b6af04b77a56 108 }
dan_ackme 29:b6af04b77a56 109 else if(hasData)
dan_ackme 29:b6af04b77a56 110 {
dan_ackme 29:b6af04b77a56 111 break;
dan_ackme 29:b6af04b77a56 112 }
dan_ackme 29:b6af04b77a56 113 else if(timer.timedOut(_timeout))
dan_ackme 29:b6af04b77a56 114 {
dan_ackme 29:b6af04b77a56 115 return -1;
dan_ackme 29:b6af04b77a56 116 }
dan_ackme 29:b6af04b77a56 117 }
dan_ackme 29:b6af04b77a56 118 }
dan_ackme 29:b6af04b77a56 119 }
dan_ackme 29:b6af04b77a56 120
dan_ackme 29:b6af04b77a56 121 if(length == 1 && socket.getRxBufferSize() > 0)
dan_ackme 29:b6af04b77a56 122 {
dan_ackme 29:b6af04b77a56 123 return (socket.getc((uint8_t*)buffer) == WICONNECT_SUCCESS) ? 1 : -1;
dan_ackme 29:b6af04b77a56 124 }
dan_ackme 29:b6af04b77a56 125 else
dan_ackme 29:b6af04b77a56 126 {
dan_ackme 29:b6af04b77a56 127 for(;;)
dan_ackme 29:b6af04b77a56 128 {
dan_ackme 29:b6af04b77a56 129 if(socket.read(buffer, length, &bytesRead) != WICONNECT_SUCCESS)
dan_ackme 29:b6af04b77a56 130 {
dan_ackme 29:b6af04b77a56 131 return -1;
dan_ackme 29:b6af04b77a56 132 }
dan_ackme 29:b6af04b77a56 133 else if(bytesRead > 0)
dan_ackme 29:b6af04b77a56 134 {
dan_ackme 29:b6af04b77a56 135 return bytesRead;
dan_ackme 29:b6af04b77a56 136 }
dan_ackme 29:b6af04b77a56 137 }
dan_ackme 29:b6af04b77a56 138 }
dan_ackme 29:b6af04b77a56 139
dan_ackme 29:b6af04b77a56 140 }