Xinlei Cao / MbedSmartRest

Own fork of MbedSmartRest

Dependents:   MbedSmartRestMain MbedSmartRestMain

Fork of MbedSmartRest by Cumulocity Official

SmartRest.cpp@26:9c36af176d91, 2015-08-10 (annotated)

Committer:
xinlei
Date:
Mon Aug 10 10:39:53 2015 +0000
Revision:
26:9c36af176d91
Parent:
24:11fd6fd14c28 
removed traffic accounting

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Cumulocity 0:099f76422485 1 /*
Cumulocity 0:099f76422485 2 * SmartRest.cpp
Cumulocity 0:099f76422485 3 *
Cumulocity 0:099f76422485 4 * Created on: Nov 1, 2013
Cumulocity 0:099f76422485 5 * * Authors: Vincent Wochnik <v.wochnik@gmail.com>
Cumulocity 0:099f76422485 6 *
Cumulocity 0:099f76422485 7 * Copyright (c) 2013 Cumulocity GmbH
Cumulocity 0:099f76422485 8 *
Cumulocity 0:099f76422485 9 * Permission is hereby granted, free of charge, to any person obtaining
Cumulocity 0:099f76422485 10 * a copy of this software and associated documentation files (the
Cumulocity 0:099f76422485 11 * "Software"), to deal in the Software without restriction, including
Cumulocity 0:099f76422485 12 * without limitation the rights to use, copy, modify, merge, publish,
Cumulocity 0:099f76422485 13 * distribute, sublicense, and/or sell copies of the Software, and to
Cumulocity 0:099f76422485 14 * permit persons to whom the Software is furnished to do so, subject to
Cumulocity 0:099f76422485 15 * the following conditions:
Cumulocity 0:099f76422485 16 *
Cumulocity 0:099f76422485 17 * The above copyright notice and this permission notice shall be
Cumulocity 0:099f76422485 18 * included in all copies or substantial portions of the Software.
Cumulocity 0:099f76422485 19 *
Cumulocity 0:099f76422485 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
Cumulocity 0:099f76422485 21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
Cumulocity 0:099f76422485 22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Cumulocity 0:099f76422485 23 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
Cumulocity 0:099f76422485 24 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
Cumulocity 0:099f76422485 25 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
Cumulocity 0:099f76422485 26 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Cumulocity 0:099f76422485 27 */
Cumulocity 0:099f76422485 28
Cumulocity 0:099f76422485 29 #include <string.h>
xinlei 18:16192696c106 30 #include "SmartRest.h"
xinlei 20:505d29d5bdfc 31 #include "SmartRestConf.h"
Cumulocity 11:e1bee9a77652 32
Cumulocity 11:e1bee9a77652 33 /*-------------------------------------------------------------------------*/
Cumulocity 5:2b74510900da 34 #ifdef SMARTREST_TRANSACTIONAL
Cumulocity 11:e1bee9a77652 35 /*-------------------------------------------------------------------------*/
Cumulocity 5:2b74510900da 36 uint8_t SmartRest::request(const DataGenerator& generator, const char *overrideIdentifier)
Cumulocity 5:2b74510900da 37 {
xinlei 20:505d29d5bdfc 38 uint8_t res = send(generator, overrideIdentifier);
Cumulocity 11:e1bee9a77652 39 stop();
Cumulocity 11:e1bee9a77652 40 return res;
Cumulocity 5:2b74510900da 41 }
Cumulocity 11:e1bee9a77652 42 /*-------------------------------------------------------------------------*/
Cumulocity 5:2b74510900da 43 uint8_t SmartRest::request(const DataGenerator& generator, Aggregator& aggregator, const char *overrideIdentifier)
Cumulocity 5:2b74510900da 44 {
Cumulocity 11:e1bee9a77652 45 if (!aggregator.managed())
Cumulocity 11:e1bee9a77652 46 return SMARTREST_INTERNAL_ERROR;
Cumulocity 5:2b74510900da 47
xinlei 20:505d29d5bdfc 48 uint8_t res = send(generator, overrideIdentifier);
xinlei 20:505d29d5bdfc 49 if (res != SMARTREST_SUCCESS) {
Cumulocity 11:e1bee9a77652 50 stop();
Cumulocity 11:e1bee9a77652 51 return res;
Cumulocity 11:e1bee9a77652 52 }
Cumulocity 5:2b74510900da 53
Cumulocity 11:e1bee9a77652 54 ParsedRecord recvd;
xinlei 20:505d29d5bdfc 55 while ((res = receive(recvd)) == SMARTREST_SUCCESS) {
Cumulocity 11:e1bee9a77652 56 if (!aggregator.add(recvd))
Cumulocity 11:e1bee9a77652 57 return SMARTREST_INTERNAL_ERROR;
Cumulocity 11:e1bee9a77652 58 }
Cumulocity 5:2b74510900da 59
Cumulocity 11:e1bee9a77652 60 stop();
Cumulocity 11:e1bee9a77652 61 if (res == SMARTREST_END_OF_RESPONSE)
Cumulocity 11:e1bee9a77652 62 return SMARTREST_SUCCESS;
Cumulocity 11:e1bee9a77652 63 return res;
Cumulocity 5:2b74510900da 64 }
Cumulocity 11:e1bee9a77652 65 /*-------------------------------------------------------------------------*/
Cumulocity 11:e1bee9a77652 66 #endif // SMARTREST_TRANSACTIONAL
Cumulocity 11:e1bee9a77652 67 /*-------------------------------------------------------------------------*/
Cumulocity 5:2b74510900da 68 uint8_t SmartRest::bootstrap(const DataGenerator& generator)
Cumulocity 5:2b74510900da 69 {
xinlei 20:505d29d5bdfc 70 int8_t ret = beginRequest(NULL, NULL);
Cumulocity 11:e1bee9a77652 71 if (ret != SMARTREST_SUCCESS)
Cumulocity 11:e1bee9a77652 72 return ret;
Cumulocity 11:e1bee9a77652 73 ret = awaitResponse();
Cumulocity 11:e1bee9a77652 74 if (ret != SMARTREST_SUCCESS)
Cumulocity 11:e1bee9a77652 75 return ret;
xinlei 20:505d29d5bdfc 76
xinlei 20:505d29d5bdfc 77 ParsedRecord record;
Cumulocity 11:e1bee9a77652 78 ret = receive(record);
Cumulocity 11:e1bee9a77652 79 if (ret != SMARTREST_SUCCESS)
Cumulocity 11:e1bee9a77652 80 return ret;
xinlei 20:505d29d5bdfc 81 if (!record) {
Cumulocity 11:e1bee9a77652 82 return SMARTREST_INTERNAL_ERROR;
Cumulocity 11:e1bee9a77652 83 }
Cumulocity 11:e1bee9a77652 84 stop();
Cumulocity 5:2b74510900da 85
xinlei 21:207549b3711e 86 if (setMoGid(record)) {
Cumulocity 11:e1bee9a77652 87 return SMARTREST_SUCCESS;
xinlei 21:207549b3711e 88 }
Cumulocity 5:2b74510900da 89
Cumulocity 11:e1bee9a77652 90 if (record.value(0).integerValue() != 40)
Cumulocity 11:e1bee9a77652 91 return SMARTREST_INTERNAL_ERROR;
Cumulocity 5:2b74510900da 92
Cumulocity 11:e1bee9a77652 93 ret = send(generator, NULL);
Cumulocity 11:e1bee9a77652 94 if (ret != SMARTREST_SUCCESS)
Cumulocity 11:e1bee9a77652 95 return ret;
Cumulocity 11:e1bee9a77652 96 ret = receive(record);
Cumulocity 11:e1bee9a77652 97 if (ret != SMARTREST_SUCCESS)
Cumulocity 11:e1bee9a77652 98 return ret;
Cumulocity 11:e1bee9a77652 99 stop();
Cumulocity 5:2b74510900da 100
Cumulocity 11:e1bee9a77652 101 if (!setMoGid(record))
Cumulocity 11:e1bee9a77652 102 return SMARTREST_INTERNAL_ERROR;
xinlei 21:207549b3711e 103 else
xinlei 21:207549b3711e 104 return SMARTREST_SUCCESS;
Cumulocity 5:2b74510900da 105 }
Cumulocity 11:e1bee9a77652 106 /*-------------------------------------------------------------------------*/
Cumulocity 2:45a6e44a4fb4 107 uint8_t SmartRest::send(const DataGenerator& generator, const char *overrideIdentifier)
Cumulocity 0:099f76422485 108 {
xinlei 20:505d29d5bdfc 109 uint8_t res = beginRequest(NULL, overrideIdentifier);
Cumulocity 11:e1bee9a77652 110 if (res != SMARTREST_SUCCESS)
Cumulocity 11:e1bee9a77652 111 return res;
Cumulocity 0:099f76422485 112
Cumulocity 11:e1bee9a77652 113 _client.sendData(generator);
Cumulocity 11:e1bee9a77652 114 return awaitResponse();
Cumulocity 0:099f76422485 115 }
Cumulocity 11:e1bee9a77652 116 /*-------------------------------------------------------------------------*/
xinlei 20:505d29d5bdfc 117 uint8_t SmartRest::sendAndClose(const DataGenerator& generator, const char *overrideIdentifier)
xinlei 20:505d29d5bdfc 118 {
xinlei 20:505d29d5bdfc 119 uint8_t res = beginRequest(NULL, overrideIdentifier);
xinlei 20:505d29d5bdfc 120 if (res != SMARTREST_SUCCESS)
xinlei 20:505d29d5bdfc 121 return res;
xinlei 20:505d29d5bdfc 122
xinlei 20:505d29d5bdfc 123 _client.sendData(generator);
xinlei 20:505d29d5bdfc 124 if (_client.endRequest() == CLIENT_OK) {
xinlei 20:505d29d5bdfc 125 return SMARTREST_SUCCESS;
xinlei 20:505d29d5bdfc 126 } else {
xinlei 20:505d29d5bdfc 127 return SMARTREST_INTERNAL_ERROR;
xinlei 20:505d29d5bdfc 128 }
xinlei 20:505d29d5bdfc 129 }
xinlei 20:505d29d5bdfc 130 /*-------------------------------------------------------------------------*/
Cumulocity 13:aba98ad2ac1b 131 uint8_t SmartRest::stream(const char *uri, const Record& record, const char *overrideIdentifier)
Cumulocity 13:aba98ad2ac1b 132 {
xinlei 20:505d29d5bdfc 133 uint8_t res = beginRequest(uri, overrideIdentifier);
Cumulocity 13:aba98ad2ac1b 134 if (res != SMARTREST_SUCCESS)
Cumulocity 13:aba98ad2ac1b 135 return res;
Cumulocity 13:aba98ad2ac1b 136
Cumulocity 13:aba98ad2ac1b 137 _client.sendData(record);
Cumulocity 13:aba98ad2ac1b 138 return awaitResponse();
Cumulocity 13:aba98ad2ac1b 139 }
Cumulocity 13:aba98ad2ac1b 140 /*-------------------------------------------------------------------------*/
Cumulocity 2:45a6e44a4fb4 141 uint8_t SmartRest::receive(ParsedRecord& record)
Cumulocity 0:099f76422485 142 {
Cumulocity 11:e1bee9a77652 143 if (_source == NULL)
Cumulocity 11:e1bee9a77652 144 return SMARTREST_INTERNAL_ERROR;
Cumulocity 11:e1bee9a77652 145
xinlei 20:505d29d5bdfc 146 uint8_t res = _parser.readFrom(*_source, record);
Cumulocity 11:e1bee9a77652 147 switch (res)
Cumulocity 11:e1bee9a77652 148 {
xinlei 20:505d29d5bdfc 149 case PARSER_SUCCESS: return SMARTREST_SUCCESS;
xinlei 20:505d29d5bdfc 150 case PARSER_END_OF_RESPONSE: return SMARTREST_END_OF_RESPONSE;
xinlei 20:505d29d5bdfc 151 case PARSER_TIMEOUT_ERROR: return SMARTREST_TIMEOUT_ERROR;
xinlei 20:505d29d5bdfc 152 default: return SMARTREST_INTERNAL_ERROR;
Cumulocity 11:e1bee9a77652 153 }
Cumulocity 0:099f76422485 154 }
Cumulocity 11:e1bee9a77652 155 /*-------------------------------------------------------------------------*/
Cumulocity 0:099f76422485 156 void SmartRest::stop()
Cumulocity 0:099f76422485 157 {
Cumulocity 11:e1bee9a77652 158 _source = NULL;
Cumulocity 11:e1bee9a77652 159 _client.stop();
Cumulocity 0:099f76422485 160 }
Cumulocity 11:e1bee9a77652 161 /*-------------------------------------------------------------------------*/
xinlei 20:505d29d5bdfc 162 const char * SmartRest::getIdentifier() const
Cumulocity 7:8159a2d12e4e 163 {
Cumulocity 11:e1bee9a77652 164 if (*_mogid)
Cumulocity 11:e1bee9a77652 165 return _mogid;
xinlei 20:505d29d5bdfc 166 else
xinlei 20:505d29d5bdfc 167 return NULL;
Cumulocity 7:8159a2d12e4e 168 }
Cumulocity 11:e1bee9a77652 169 /*-------------------------------------------------------------------------*/
Cumulocity 13:aba98ad2ac1b 170 uint8_t SmartRest::beginRequest(const char *uri, const char *overrideIdentifier)
Cumulocity 0:099f76422485 171 {
Cumulocity 11:e1bee9a77652 172 int res;
xinlei 20:505d29d5bdfc 173 if (uri) {
Cumulocity 13:aba98ad2ac1b 174 res = _client.beginStream(uri);
xinlei 20:505d29d5bdfc 175 } else {
Cumulocity 13:aba98ad2ac1b 176 res = _client.beginRequest();
Cumulocity 13:aba98ad2ac1b 177 }
Cumulocity 13:aba98ad2ac1b 178
xinlei 20:505d29d5bdfc 179 if (res == CLIENT_CONNECTION_ERROR) {
Cumulocity 11:e1bee9a77652 180 return SMARTREST_CONNECTION_FAILED;
xinlei 20:505d29d5bdfc 181 } else if (res != CLIENT_OK) {
Cumulocity 11:e1bee9a77652 182 return SMARTREST_INTERNAL_ERROR;
Cumulocity 11:e1bee9a77652 183 }
xinlei 20:505d29d5bdfc 184 if (overrideIdentifier != NULL) {
xinlei 20:505d29d5bdfc 185 if (_client.sendIdentifier(overrideIdentifier) != CLIENT_OK)
xinlei 20:505d29d5bdfc 186 return SMARTREST_INTERNAL_ERROR;
xinlei 20:505d29d5bdfc 187 } else {
xinlei 24:11fd6fd14c28 188 if (_client.sendIdentifier(srX_ID) != CLIENT_OK)
xinlei 20:505d29d5bdfc 189 return SMARTREST_INTERNAL_ERROR;
xinlei 20:505d29d5bdfc 190 }
xinlei 20:505d29d5bdfc 191 return SMARTREST_SUCCESS;
Cumulocity 0:099f76422485 192 }
Cumulocity 11:e1bee9a77652 193 /*-------------------------------------------------------------------------*/
Cumulocity 0:099f76422485 194 uint8_t SmartRest::awaitResponse()
Cumulocity 0:099f76422485 195 {
Cumulocity 11:e1bee9a77652 196 if ((_client.endRequest() != CLIENT_OK) ||
xinlei 20:505d29d5bdfc 197 (_client.awaitResponse() != CLIENT_OK)) {
Cumulocity 11:e1bee9a77652 198 return SMARTREST_INTERNAL_ERROR;
xinlei 18:16192696c106 199 }
Cumulocity 11:e1bee9a77652 200 _source = &_client.receiveData();
Cumulocity 11:e1bee9a77652 201 return SMARTREST_SUCCESS;
Cumulocity 0:099f76422485 202 }
Cumulocity 11:e1bee9a77652 203 /*-------------------------------------------------------------------------*/
Cumulocity 0:099f76422485 204 bool SmartRest::setMoGid(ParsedRecord& record)
Cumulocity 0:099f76422485 205 {
Cumulocity 11:e1bee9a77652 206 const char *mogid;
Cumulocity 0:099f76422485 207
Cumulocity 11:e1bee9a77652 208 *_mogid = 0;
Cumulocity 11:e1bee9a77652 209 if ((record.values() < 2) || (record.value(0).integerValue() != 20))
Cumulocity 11:e1bee9a77652 210 return false;
Cumulocity 11:e1bee9a77652 211
Cumulocity 11:e1bee9a77652 212 if ((record.value(1).valueType() != VALUE_INTEGER) ||
xinlei 20:505d29d5bdfc 213 (record.value(1).integerValue() <= 0))
Cumulocity 11:e1bee9a77652 214 return false;
Cumulocity 0:099f76422485 215
Cumulocity 11:e1bee9a77652 216 mogid = record.rawValue(1);
Cumulocity 11:e1bee9a77652 217 if (strlen(mogid)+1 > sizeof(_mogid))
Cumulocity 11:e1bee9a77652 218 return false;
Cumulocity 0:099f76422485 219
Cumulocity 11:e1bee9a77652 220 strcpy(_mogid, mogid);
Cumulocity 0:099f76422485 221
Cumulocity 11:e1bee9a77652 222 return true;
Cumulocity 0:099f76422485 223 }
xinlei 20:505d29d5bdfc 224 /*-------------------------------------------------------------------------*/