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

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

Committer:
aymangrais
Date:
Mon Sep 28 03:38:43 2015 +0000
Revision:
42:8ffb253b09e7
Parent:
29:b6af04b77a56 
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 #include <stdarg.h>
dan_ackme 29:b6af04b77a56 30
dan_ackme 29:b6af04b77a56 31 #include "Wiconnect.h"
dan_ackme 29:b6af04b77a56 32 #include "internal/common.h"
dan_ackme 29:b6af04b77a56 33 #include "api/StringUtil.h"
dan_ackme 29:b6af04b77a56 34
dan_ackme 29:b6af04b77a56 35
dan_ackme 29:b6af04b77a56 36 #define CHECK_CONNECTED() if(!isConnected()) return WICONNECT_NOT_CONNECTED
dan_ackme 29:b6af04b77a56 37
dan_ackme 29:b6af04b77a56 38 extern WiconnectResult readerCallback(void *user, void *data, int maxReadSize, int *bytesRead);
dan_ackme 29:b6af04b77a56 39
dan_ackme 29:b6af04b77a56 40
dan_ackme 29:b6af04b77a56 41 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 42 WiconnectUdpServer::WiconnectUdpServer(int rxBufferLen_, void *rxBuffer_, int txBufferLen_, void *txBuffer_) :
dan_ackme 29:b6af04b77a56 43 WiconnectSocket(rxBufferLen_, rxBuffer_, txBufferLen_, txBuffer_)
dan_ackme 29:b6af04b77a56 44 {
dan_ackme 29:b6af04b77a56 45 }
dan_ackme 29:b6af04b77a56 46
dan_ackme 29:b6af04b77a56 47 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 48 WiconnectResult WiconnectUdpServer::getRemoteClient(uint32_t *ipAddress, uint16_t *port)
dan_ackme 29:b6af04b77a56 49 {
dan_ackme 29:b6af04b77a56 50 WiconnectResult result;
dan_ackme 29:b6af04b77a56 51
dan_ackme 29:b6af04b77a56 52 CHECK_CONNECTED();
dan_ackme 29:b6af04b77a56 53 CHECK_OTHER_COMMAND_EXECUTING();
dan_ackme 29:b6af04b77a56 54
dan_ackme 29:b6af04b77a56 55 if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("udps read -q")))
dan_ackme 29:b6af04b77a56 56 {
dan_ackme 29:b6af04b77a56 57 char *portStr = strchr(wiconnect->internalBuffer, ',');
dan_ackme 29:b6af04b77a56 58 if(portStr == NULL)
dan_ackme 29:b6af04b77a56 59 {
dan_ackme 29:b6af04b77a56 60 result = WICONNECT_RESPONSE_PARSE_ERROR;
dan_ackme 29:b6af04b77a56 61 }
dan_ackme 29:b6af04b77a56 62 else
dan_ackme 29:b6af04b77a56 63 {
dan_ackme 29:b6af04b77a56 64 *portStr++ = 0;
dan_ackme 29:b6af04b77a56 65 Wiconnect::strToIp(wiconnect->internalBuffer, ipAddress);
dan_ackme 29:b6af04b77a56 66 StringUtil::strToUint16(portStr, port);
dan_ackme 29:b6af04b77a56 67 }
dan_ackme 29:b6af04b77a56 68 }
dan_ackme 29:b6af04b77a56 69
dan_ackme 29:b6af04b77a56 70 CHECK_CLEANUP_COMMAND();
dan_ackme 29:b6af04b77a56 71
dan_ackme 29:b6af04b77a56 72 return result;
dan_ackme 29:b6af04b77a56 73 }
dan_ackme 29:b6af04b77a56 74
dan_ackme 29:b6af04b77a56 75 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 76 WiconnectResult WiconnectUdpServer::setRemoteClient(const char* _host, uint16_t port)
dan_ackme 29:b6af04b77a56 77 {
dan_ackme 29:b6af04b77a56 78 WiconnectResult result;
dan_ackme 29:b6af04b77a56 79 uint32_t ip;
dan_ackme 29:b6af04b77a56 80
dan_ackme 29:b6af04b77a56 81 if(WICONNECT_SUCCEEDED(result, wiconnect->lookup(_host, &ip)))
dan_ackme 29:b6af04b77a56 82 {
dan_ackme 29:b6af04b77a56 83 ip = htonl(ip); // due to a bug in the firmware, need to reserve byte order
dan_ackme 29:b6af04b77a56 84 Wiconnect::ipToStr(ip, host);
dan_ackme 29:b6af04b77a56 85 remotePort = port;
dan_ackme 29:b6af04b77a56 86 }
dan_ackme 29:b6af04b77a56 87
dan_ackme 29:b6af04b77a56 88 return result;
dan_ackme 29:b6af04b77a56 89 }
dan_ackme 29:b6af04b77a56 90
dan_ackme 29:b6af04b77a56 91 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 92 WiconnectResult WiconnectUdpServer::setRemoteClient(uint32_t ip, uint16_t port)
dan_ackme 29:b6af04b77a56 93 {
dan_ackme 29:b6af04b77a56 94 ip = htonl(ip); // due to a bug in the firmware, need to reserve byte order
dan_ackme 29:b6af04b77a56 95 Wiconnect::ipToStr(ip, host);
dan_ackme 29:b6af04b77a56 96 remotePort = port;
dan_ackme 29:b6af04b77a56 97 return WICONNECT_SUCCESS;
dan_ackme 29:b6af04b77a56 98 }
dan_ackme 29:b6af04b77a56 99
dan_ackme 29:b6af04b77a56 100 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 101 WiconnectResult WiconnectUdpServer::flushTxBuffer()
dan_ackme 29:b6af04b77a56 102 {
dan_ackme 29:b6af04b77a56 103 WiconnectResult result = WICONNECT_SUCCESS;
dan_ackme 29:b6af04b77a56 104
dan_ackme 29:b6af04b77a56 105 CHECK_CONNECTED();
dan_ackme 29:b6af04b77a56 106
dan_ackme 29:b6af04b77a56 107 if(txBuffer.size == 0)
dan_ackme 29:b6af04b77a56 108 {
dan_ackme 29:b6af04b77a56 109 CHECK_OTHER_COMMAND_EXECUTING();
dan_ackme 29:b6af04b77a56 110 }
dan_ackme 29:b6af04b77a56 111
dan_ackme 29:b6af04b77a56 112
dan_ackme 29:b6af04b77a56 113 if(txBuffer.bytesPending > 0)
dan_ackme 29:b6af04b77a56 114 {
dan_ackme 29:b6af04b77a56 115 loop:
dan_ackme 29:b6af04b77a56 116 if(host[0] != 0)
dan_ackme 29:b6af04b77a56 117 {
dan_ackme 29:b6af04b77a56 118 result = wiconnect->sendCommand(ReaderFunc(readerCallback), &this->txBuffer, "udps write %u %s %u", txBuffer.bytesPending, host, remotePort);
dan_ackme 29:b6af04b77a56 119 }
dan_ackme 29:b6af04b77a56 120 else
dan_ackme 29:b6af04b77a56 121 {
dan_ackme 29:b6af04b77a56 122 result = wiconnect->sendCommand(ReaderFunc(readerCallback), &this->txBuffer, "udps write %u", txBuffer.bytesPending);
dan_ackme 29:b6af04b77a56 123 }
dan_ackme 29:b6af04b77a56 124
dan_ackme 29:b6af04b77a56 125 // if still processing and in non-blocking mode and using a txtBuffer,
dan_ackme 29:b6af04b77a56 126 // then this api call must block until all the data is sent
dan_ackme 29:b6af04b77a56 127 if(result == WICONNECT_PROCESSING && wiconnect->nonBlocking && txBuffer.size > 0)
dan_ackme 29:b6af04b77a56 128 {
dan_ackme 29:b6af04b77a56 129 goto loop;
dan_ackme 29:b6af04b77a56 130 }
dan_ackme 29:b6af04b77a56 131 }
dan_ackme 29:b6af04b77a56 132
dan_ackme 29:b6af04b77a56 133 if(txBuffer.size == 0)
dan_ackme 29:b6af04b77a56 134 {
dan_ackme 29:b6af04b77a56 135 CHECK_CLEANUP_COMMAND();
dan_ackme 29:b6af04b77a56 136 }
dan_ackme 29:b6af04b77a56 137
dan_ackme 29:b6af04b77a56 138 if(result != WICONNECT_PROCESSING)
dan_ackme 29:b6af04b77a56 139 {
dan_ackme 29:b6af04b77a56 140 txBuffer.ptr = txBuffer.buffer;
dan_ackme 29:b6af04b77a56 141 txBuffer.bytesPending = 0;
dan_ackme 29:b6af04b77a56 142 }
dan_ackme 29:b6af04b77a56 143
dan_ackme 29:b6af04b77a56 144 return result;
dan_ackme 29:b6af04b77a56 145 }