Own fork of MbedSmartRest
Dependents: MbedSmartRestMain MbedSmartRestMain
Fork of MbedSmartRest by
MbedClient.cpp@25:b8a080f5e578, 2015-06-01 (annotated)
- Committer:
- xinlei
- Date:
- Mon Jun 01 12:56:26 2015 +0000
- Revision:
- 25:b8a080f5e578
- Parent:
- 24:11fd6fd14c28
- Child:
- 26:9c36af176d91
reduce debug msg
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Cumulocity | 0:099f76422485 | 1 | /* |
Cumulocity | 0:099f76422485 | 2 | * MbedClient.cpp |
Cumulocity | 0:099f76422485 | 3 | * |
Cumulocity | 0:099f76422485 | 4 | * Created on: Feb 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 <stdlib.h> |
Cumulocity | 0:099f76422485 | 30 | #include <string.h> |
Cumulocity | 0:099f76422485 | 31 | #include "mbed.h" |
xinlei | 20:505d29d5bdfc | 32 | #include "rtos.h" |
xinlei | 20:505d29d5bdfc | 33 | |
xinlei | 17:b3a4b4bdfc59 | 34 | #include "MbedClient.h" |
xinlei | 20:505d29d5bdfc | 35 | #include "SmartRestConf.h" |
xinlei | 17:b3a4b4bdfc59 | 36 | #include "logging.h" |
Cumulocity | 0:099f76422485 | 37 | |
Cumulocity | 6:cd7ba1ddb664 | 38 | #define STATE_INIT 0 |
Cumulocity | 6:cd7ba1ddb664 | 39 | #define STATE_IN_REQUEST 1 |
Cumulocity | 6:cd7ba1ddb664 | 40 | #define STATE_SENT_ID 2 |
Cumulocity | 6:cd7ba1ddb664 | 41 | #define STATE_SENT_DATA 3 |
Cumulocity | 6:cd7ba1ddb664 | 42 | #define STATE_REQ_COMPLETE 4 |
Cumulocity | 6:cd7ba1ddb664 | 43 | #define STATE_RECVD_RESPONSE 5 |
Cumulocity | 6:cd7ba1ddb664 | 44 | #define STATE_INTERNAL_ERROR 6 |
xinlei | 24:11fd6fd14c28 | 45 | |
xinlei | 17:b3a4b4bdfc59 | 46 | #define MBCL_DBG(...) aDebug(__VA_ARGS__) |
xinlei | 24:11fd6fd14c28 | 47 | |
xinlei | 17:b3a4b4bdfc59 | 48 | #define DNS_ENTRY_DURATION 50 |
Cumulocity | 6:cd7ba1ddb664 | 49 | |
xinlei | 23:0529d6779ab1 | 50 | MbedClient::MbedClient(uint8_t tries) : |
Cumulocity | 6:cd7ba1ddb664 | 51 | _tries(tries), |
Cumulocity | 6:cd7ba1ddb664 | 52 | _state(STATE_INIT), |
Cumulocity | 11:e1bee9a77652 | 53 | _isStreamRequest(false), |
xinlei | 19:81dfc04ce0bb | 54 | _sock(), |
Cumulocity | 2:45a6e44a4fb4 | 55 | _source(_sock), |
Cumulocity | 2:45a6e44a4fb4 | 56 | _sink(_sock), |
xinlei | 19:81dfc04ce0bb | 57 | _filter(_source), |
xinlei | 17:b3a4b4bdfc59 | 58 | cachedIPValid(0) |
Cumulocity | 0:099f76422485 | 59 | { |
Cumulocity | 0:099f76422485 | 60 | } |
Cumulocity | 0:099f76422485 | 61 | |
Cumulocity | 0:099f76422485 | 62 | MbedClient::~MbedClient() |
Cumulocity | 0:099f76422485 | 63 | { |
Cumulocity | 0:099f76422485 | 64 | } |
Cumulocity | 0:099f76422485 | 65 | |
Cumulocity | 0:099f76422485 | 66 | uint8_t MbedClient::beginRequest() |
Cumulocity | 0:099f76422485 | 67 | { |
Cumulocity | 6:cd7ba1ddb664 | 68 | if (_state != STATE_INIT) |
Cumulocity | 6:cd7ba1ddb664 | 69 | return internalError(); |
Cumulocity | 0:099f76422485 | 70 | |
xinlei | 25:b8a080f5e578 | 71 | MBCL_DBG("\033[32mMbed:\033[39m Begin SmartREST request.\n"); |
Cumulocity | 11:e1bee9a77652 | 72 | _source.setTimeout(60000); |
Cumulocity | 11:e1bee9a77652 | 73 | if (!connect()) |
Cumulocity | 11:e1bee9a77652 | 74 | return connectionError(); |
Cumulocity | 6:cd7ba1ddb664 | 75 | |
Cumulocity | 11:e1bee9a77652 | 76 | if (!sendRequestHeader("/s")) |
Cumulocity | 6:cd7ba1ddb664 | 77 | return connectionError(); |
Cumulocity | 0:099f76422485 | 78 | |
Cumulocity | 11:e1bee9a77652 | 79 | _state = STATE_IN_REQUEST; |
Cumulocity | 11:e1bee9a77652 | 80 | return CLIENT_OK; |
Cumulocity | 11:e1bee9a77652 | 81 | } |
Cumulocity | 8:3a4dba260b71 | 82 | |
Cumulocity | 11:e1bee9a77652 | 83 | uint8_t MbedClient::beginStream(const char *uri) |
Cumulocity | 11:e1bee9a77652 | 84 | { |
Cumulocity | 11:e1bee9a77652 | 85 | if (_state != STATE_INIT) |
Cumulocity | 11:e1bee9a77652 | 86 | return internalError(); |
Cumulocity | 11:e1bee9a77652 | 87 | |
Cumulocity | 11:e1bee9a77652 | 88 | // set stream request flag to later set the timeout right |
Cumulocity | 11:e1bee9a77652 | 89 | _isStreamRequest = true; |
Cumulocity | 11:e1bee9a77652 | 90 | |
xinlei | 25:b8a080f5e578 | 91 | MBCL_DBG("\033[32mMbed:\033[39m Begin SmartREST stream.\n"); |
Cumulocity | 11:e1bee9a77652 | 92 | _source.setTimeout(60000); |
Cumulocity | 11:e1bee9a77652 | 93 | if (!connect()) |
Cumulocity | 6:cd7ba1ddb664 | 94 | return connectionError(); |
Cumulocity | 11:e1bee9a77652 | 95 | |
Cumulocity | 11:e1bee9a77652 | 96 | if (!sendRequestHeader(uri)) |
Cumulocity | 11:e1bee9a77652 | 97 | return connectionError(); |
Cumulocity | 0:099f76422485 | 98 | |
Cumulocity | 6:cd7ba1ddb664 | 99 | _state = STATE_IN_REQUEST; |
Cumulocity | 0:099f76422485 | 100 | return CLIENT_OK; |
Cumulocity | 0:099f76422485 | 101 | } |
Cumulocity | 0:099f76422485 | 102 | |
Cumulocity | 0:099f76422485 | 103 | uint8_t MbedClient::sendIdentifier(const char* identifier) |
Cumulocity | 0:099f76422485 | 104 | { |
xinlei | 25:b8a080f5e578 | 105 | MBCL_DBG("\033[32mMbed:\033[39m Send x-id.\n"); |
Cumulocity | 6:cd7ba1ddb664 | 106 | if (_state != STATE_IN_REQUEST) |
Cumulocity | 6:cd7ba1ddb664 | 107 | return internalError(); |
Cumulocity | 0:099f76422485 | 108 | |
Cumulocity | 0:099f76422485 | 109 | if ((identifier != NULL) && (strlen(identifier) != 0)) { |
Cumulocity | 0:099f76422485 | 110 | if ((!send("X-Id: ")) || |
Cumulocity | 0:099f76422485 | 111 | (!send(identifier)) || |
Cumulocity | 0:099f76422485 | 112 | (!send("\r\n"))) |
Cumulocity | 6:cd7ba1ddb664 | 113 | return connectionError(); |
Cumulocity | 0:099f76422485 | 114 | } |
Cumulocity | 6:cd7ba1ddb664 | 115 | _state = STATE_SENT_ID; |
Cumulocity | 0:099f76422485 | 116 | return CLIENT_OK; |
Cumulocity | 0:099f76422485 | 117 | } |
Cumulocity | 0:099f76422485 | 118 | |
Cumulocity | 1:9a11a331e340 | 119 | uint8_t MbedClient::sendData(const DataGenerator& generator) |
Cumulocity | 0:099f76422485 | 120 | { |
xinlei | 25:b8a080f5e578 | 121 | MBCL_DBG("\033[32mMbed:\033[39m Send payload.\n"); |
xinlei | 20:505d29d5bdfc | 122 | if (_state != STATE_IN_REQUEST && _state != STATE_SENT_ID) |
Cumulocity | 6:cd7ba1ddb664 | 123 | return internalError(); |
Cumulocity | 0:099f76422485 | 124 | |
xinlei | 20:505d29d5bdfc | 125 | size_t len = generator.writtenLength(); |
Cumulocity | 0:099f76422485 | 126 | if ((!send("Content-Length: ")) || |
Cumulocity | 7:8159a2d12e4e | 127 | (_sink.write((unsigned long)len) == 0) || |
Cumulocity | 0:099f76422485 | 128 | (!send("\r\n\r\n"))) |
Cumulocity | 6:cd7ba1ddb664 | 129 | return connectionError(); |
Cumulocity | 0:099f76422485 | 130 | |
Cumulocity | 6:cd7ba1ddb664 | 131 | if (generator.writeTo(_sink) != len) |
Cumulocity | 6:cd7ba1ddb664 | 132 | return connectionError(); |
Cumulocity | 6:cd7ba1ddb664 | 133 | _state = STATE_SENT_DATA; |
Cumulocity | 0:099f76422485 | 134 | return CLIENT_OK; |
Cumulocity | 0:099f76422485 | 135 | } |
Cumulocity | 0:099f76422485 | 136 | |
Cumulocity | 0:099f76422485 | 137 | uint8_t MbedClient::endRequest() |
Cumulocity | 0:099f76422485 | 138 | { |
xinlei | 25:b8a080f5e578 | 139 | MBCL_DBG("\033[32mMbed:\033[39m End request.\n"); |
Cumulocity | 6:cd7ba1ddb664 | 140 | if ((_state != STATE_IN_REQUEST) && |
Cumulocity | 6:cd7ba1ddb664 | 141 | (_state != STATE_SENT_ID) && |
xinlei | 18:16192696c106 | 142 | (_state != STATE_SENT_DATA)) { |
Cumulocity | 6:cd7ba1ddb664 | 143 | return internalError(); |
xinlei | 18:16192696c106 | 144 | } |
Cumulocity | 0:099f76422485 | 145 | |
Cumulocity | 6:cd7ba1ddb664 | 146 | if (_state != STATE_SENT_DATA) { |
Cumulocity | 0:099f76422485 | 147 | // send end of headers |
xinlei | 18:16192696c106 | 148 | if (!send("\r\n")) { |
Cumulocity | 6:cd7ba1ddb664 | 149 | return connectionError(); |
xinlei | 18:16192696c106 | 150 | } |
Cumulocity | 0:099f76422485 | 151 | } |
Cumulocity | 0:099f76422485 | 152 | |
xinlei | 18:16192696c106 | 153 | if (!_sink.flush()) { |
Cumulocity | 6:cd7ba1ddb664 | 154 | return connectionError(); |
xinlei | 18:16192696c106 | 155 | } |
Cumulocity | 0:099f76422485 | 156 | |
Cumulocity | 6:cd7ba1ddb664 | 157 | _state = STATE_REQ_COMPLETE; |
Cumulocity | 0:099f76422485 | 158 | return CLIENT_OK; |
Cumulocity | 0:099f76422485 | 159 | } |
Cumulocity | 0:099f76422485 | 160 | |
Cumulocity | 0:099f76422485 | 161 | uint8_t MbedClient::awaitResponse() |
Cumulocity | 0:099f76422485 | 162 | { |
xinlei | 18:16192696c106 | 163 | if (_state != STATE_REQ_COMPLETE) { |
Cumulocity | 6:cd7ba1ddb664 | 164 | return internalError(); |
xinlei | 18:16192696c106 | 165 | } |
xinlei | 20:505d29d5bdfc | 166 | // set timeout to fifteen minutes if stream request flag set |
xinlei | 20:505d29d5bdfc | 167 | if (_isStreamRequest) { |
xinlei | 20:505d29d5bdfc | 168 | _source.setTimeout(300000); |
xinlei | 20:505d29d5bdfc | 169 | } |
Cumulocity | 0:099f76422485 | 170 | |
xinlei | 18:16192696c106 | 171 | uint8_t status = _filter.readStatus(); |
xinlei | 18:16192696c106 | 172 | if ((status != 200) || (!_filter.skipHeaders())) { |
Cumulocity | 6:cd7ba1ddb664 | 173 | return connectionError(); |
xinlei | 20:505d29d5bdfc | 174 | } |
Cumulocity | 0:099f76422485 | 175 | |
Cumulocity | 6:cd7ba1ddb664 | 176 | _state = STATE_RECVD_RESPONSE; |
Cumulocity | 0:099f76422485 | 177 | return CLIENT_OK; |
Cumulocity | 0:099f76422485 | 178 | } |
Cumulocity | 0:099f76422485 | 179 | |
Cumulocity | 0:099f76422485 | 180 | AbstractDataSource& MbedClient::receiveData() |
Cumulocity | 0:099f76422485 | 181 | { |
Cumulocity | 0:099f76422485 | 182 | return _filter; |
Cumulocity | 0:099f76422485 | 183 | } |
Cumulocity | 0:099f76422485 | 184 | |
Cumulocity | 0:099f76422485 | 185 | void MbedClient::stop() |
Cumulocity | 0:099f76422485 | 186 | { |
xinlei | 25:b8a080f5e578 | 187 | aInfo("\033[32mMbed:\033[39m %zu bytes sent.\n", packetSize); |
Cumulocity | 11:e1bee9a77652 | 188 | _isStreamRequest = false; |
Cumulocity | 0:099f76422485 | 189 | _sock.close(); |
Cumulocity | 0:099f76422485 | 190 | _source.reset(); |
Cumulocity | 0:099f76422485 | 191 | _sink.reset(); |
Cumulocity | 0:099f76422485 | 192 | _filter.reset(); |
Cumulocity | 6:cd7ba1ddb664 | 193 | _state = STATE_INIT; |
Cumulocity | 0:099f76422485 | 194 | } |
Cumulocity | 0:099f76422485 | 195 | |
Cumulocity | 11:e1bee9a77652 | 196 | bool MbedClient::connect() |
Cumulocity | 11:e1bee9a77652 | 197 | { |
xinlei | 23:0529d6779ab1 | 198 | extern MDMRtos<MDMSerial> *pMdm; |
xinlei | 20:505d29d5bdfc | 199 | uint8_t tries = _tries; |
Cumulocity | 11:e1bee9a77652 | 200 | do { |
xinlei | 17:b3a4b4bdfc59 | 201 | if (cachedIPValid == 0) { |
xinlei | 24:11fd6fd14c28 | 202 | MDMParser::IP ip = pMdm->gethostbyname(srHost); |
xinlei | 20:505d29d5bdfc | 203 | if (ip == NOIP) |
xinlei | 17:b3a4b4bdfc59 | 204 | continue; |
xinlei | 17:b3a4b4bdfc59 | 205 | const unsigned char *c = (const unsigned char*)&ip; |
xinlei | 17:b3a4b4bdfc59 | 206 | snprintf(cachedIP, sizeof(cachedIP), "%u.%u.%u.%u", c[3], c[2], c[1], c[0]); |
xinlei | 25:b8a080f5e578 | 207 | aInfo("Connect to %s:%d (IP: %s)\n", srHost, ::srPort, cachedIP); |
xinlei | 17:b3a4b4bdfc59 | 208 | } else { |
xinlei | 25:b8a080f5e578 | 209 | aDebug("Connect to %s:%d\n", cachedIP, ::srPort); |
xinlei | 17:b3a4b4bdfc59 | 210 | } |
xinlei | 24:11fd6fd14c28 | 211 | if (_sock.connect(cachedIP, ::srPort) >= 0) |
Cumulocity | 11:e1bee9a77652 | 212 | break; |
xinlei | 17:b3a4b4bdfc59 | 213 | cachedIPValid = 0; |
Cumulocity | 11:e1bee9a77652 | 214 | _sock.close(); |
xinlei | 20:505d29d5bdfc | 215 | aCritical("\033[32mThread %p:\033[39m Connect failed.\n", Thread::gettid()); |
Cumulocity | 11:e1bee9a77652 | 216 | } while (--tries > 0); |
Cumulocity | 11:e1bee9a77652 | 217 | |
xinlei | 17:b3a4b4bdfc59 | 218 | cachedIPValid = (cachedIPValid+1) % DNS_ENTRY_DURATION; |
Cumulocity | 11:e1bee9a77652 | 219 | return (tries > 0); |
Cumulocity | 11:e1bee9a77652 | 220 | } |
Cumulocity | 11:e1bee9a77652 | 221 | |
Cumulocity | 0:099f76422485 | 222 | bool MbedClient::send(const char *str) |
Cumulocity | 0:099f76422485 | 223 | { |
Cumulocity | 7:8159a2d12e4e | 224 | return (_sink.write(str) == strlen(str)); |
Cumulocity | 0:099f76422485 | 225 | } |
Cumulocity | 0:099f76422485 | 226 | |
Cumulocity | 11:e1bee9a77652 | 227 | bool MbedClient::sendRequestHeader(const char *uri) |
Cumulocity | 11:e1bee9a77652 | 228 | { |
xinlei | 25:b8a080f5e578 | 229 | MBCL_DBG("\033[32mMbed:\033[39m Send header.\n"); |
Cumulocity | 11:e1bee9a77652 | 230 | if ((!send("POST ")) || |
Cumulocity | 11:e1bee9a77652 | 231 | (!send(uri)) || |
Cumulocity | 12:6634f9814235 | 232 | (!send(" HTTP/1.0\r\n")) || |
Cumulocity | 11:e1bee9a77652 | 233 | (!send("Host: ")) || |
xinlei | 24:11fd6fd14c28 | 234 | (!send(srHost)) || |
Cumulocity | 11:e1bee9a77652 | 235 | (!send("\r\n"))) |
Cumulocity | 11:e1bee9a77652 | 236 | return false; |
Cumulocity | 11:e1bee9a77652 | 237 | |
Cumulocity | 11:e1bee9a77652 | 238 | return sendBasicAuth(); |
Cumulocity | 11:e1bee9a77652 | 239 | } |
Cumulocity | 11:e1bee9a77652 | 240 | |
Cumulocity | 0:099f76422485 | 241 | bool MbedClient::sendBasicAuth() |
Cumulocity | 0:099f76422485 | 242 | { |
Cumulocity | 11:e1bee9a77652 | 243 | // no need to send authorization if not specified |
xinlei | 24:11fd6fd14c28 | 244 | const char* _username = srUsername; |
xinlei | 24:11fd6fd14c28 | 245 | const char* _password = srPassword; |
Cumulocity | 11:e1bee9a77652 | 246 | if ((_username == NULL) || (strlen(_username) == 0) || |
Cumulocity | 11:e1bee9a77652 | 247 | (_password == NULL) || (strlen(_password) == 0)) |
Cumulocity | 11:e1bee9a77652 | 248 | return true; |
Cumulocity | 11:e1bee9a77652 | 249 | |
Cumulocity | 0:099f76422485 | 250 | if (!send("Authorization: Basic ")) |
Cumulocity | 0:099f76422485 | 251 | return false; |
xinlei | 21:207549b3711e | 252 | |
xinlei | 24:11fd6fd14c28 | 253 | if (!send(srAuthStr)) |
xinlei | 20:505d29d5bdfc | 254 | return false; |
xinlei | 21:207549b3711e | 255 | |
Cumulocity | 0:099f76422485 | 256 | if (!send("\r\n")) |
Cumulocity | 0:099f76422485 | 257 | return false; |
Cumulocity | 0:099f76422485 | 258 | return true; |
Cumulocity | 0:099f76422485 | 259 | } |
Cumulocity | 6:cd7ba1ddb664 | 260 | |
Cumulocity | 6:cd7ba1ddb664 | 261 | uint8_t MbedClient::internalError() |
Cumulocity | 6:cd7ba1ddb664 | 262 | { |
xinlei | 25:b8a080f5e578 | 263 | aError("\033[32mMbed:\033[39m Internal error.\n"); |
Cumulocity | 6:cd7ba1ddb664 | 264 | _state = STATE_INTERNAL_ERROR; |
Cumulocity | 6:cd7ba1ddb664 | 265 | return CLIENT_INTERNAL_ERROR; |
Cumulocity | 6:cd7ba1ddb664 | 266 | } |
Cumulocity | 6:cd7ba1ddb664 | 267 | |
Cumulocity | 6:cd7ba1ddb664 | 268 | uint8_t MbedClient::connectionError() |
Cumulocity | 6:cd7ba1ddb664 | 269 | { |
xinlei | 25:b8a080f5e578 | 270 | aError("\033[32mMbed:\033[39m Connect error.\n"); |
Cumulocity | 6:cd7ba1ddb664 | 271 | _state = STATE_INTERNAL_ERROR; |
Cumulocity | 6:cd7ba1ddb664 | 272 | return CLIENT_CONNECTION_ERROR; |
Cumulocity | 6:cd7ba1ddb664 | 273 | } |
Cumulocity | 6:cd7ba1ddb664 | 274 |