terence zhang / wakaama-core

pick up wakaama files from https://github.com/eclipse/wakaama

core/liblwm2m.c@0:1fa43ab66921, 2017-04-19 (annotated)

Committer:
terencez
Date:
Wed Apr 19 11:30:02 2017 +0000
Revision:
0:1fa43ab66921
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
terencez 0:1fa43ab66921 1 /*******************************************************************************
terencez 0:1fa43ab66921 2 *
terencez 0:1fa43ab66921 3 * Copyright (c) 2013, 2014 Intel Corporation and others.
terencez 0:1fa43ab66921 4 * All rights reserved. This program and the accompanying materials
terencez 0:1fa43ab66921 5 * are made available under the terms of the Eclipse Public License v1.0
terencez 0:1fa43ab66921 6 * and Eclipse Distribution License v1.0 which accompany this distribution.
terencez 0:1fa43ab66921 7 *
terencez 0:1fa43ab66921 8 * The Eclipse Public License is available at
terencez 0:1fa43ab66921 9 * http://www.eclipse.org/legal/epl-v10.html
terencez 0:1fa43ab66921 10 * The Eclipse Distribution License is available at
terencez 0:1fa43ab66921 11 * http://www.eclipse.org/org/documents/edl-v10.php.
terencez 0:1fa43ab66921 12 *
terencez 0:1fa43ab66921 13 * Contributors:
terencez 0:1fa43ab66921 14 * David Navarro, Intel Corporation - initial API and implementation
terencez 0:1fa43ab66921 15 * Fabien Fleutot - Please refer to git log
terencez 0:1fa43ab66921 16 * Simon Bernard - Please refer to git log
terencez 0:1fa43ab66921 17 * Toby Jaffey - Please refer to git log
terencez 0:1fa43ab66921 18 * Pascal Rieux - Please refer to git log
terencez 0:1fa43ab66921 19 *
terencez 0:1fa43ab66921 20 *******************************************************************************/
terencez 0:1fa43ab66921 21
terencez 0:1fa43ab66921 22 /*
terencez 0:1fa43ab66921 23 Copyright (c) 2013, 2014 Intel Corporation
terencez 0:1fa43ab66921 24
terencez 0:1fa43ab66921 25 Redistribution and use in source and binary forms, with or without modification,
terencez 0:1fa43ab66921 26 are permitted provided that the following conditions are met:
terencez 0:1fa43ab66921 27
terencez 0:1fa43ab66921 28 * Redistributions of source code must retain the above copyright notice,
terencez 0:1fa43ab66921 29 this list of conditions and the following disclaimer.
terencez 0:1fa43ab66921 30 * Redistributions in binary form must reproduce the above copyright notice,
terencez 0:1fa43ab66921 31 this list of conditions and the following disclaimer in the documentation
terencez 0:1fa43ab66921 32 and/or other materials provided with the distribution.
terencez 0:1fa43ab66921 33 * Neither the name of Intel Corporation nor the names of its contributors
terencez 0:1fa43ab66921 34 may be used to endorse or promote products derived from this software
terencez 0:1fa43ab66921 35 without specific prior written permission.
terencez 0:1fa43ab66921 36
terencez 0:1fa43ab66921 37 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
terencez 0:1fa43ab66921 38 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
terencez 0:1fa43ab66921 39 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
terencez 0:1fa43ab66921 40 IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
terencez 0:1fa43ab66921 41 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
terencez 0:1fa43ab66921 42 BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
terencez 0:1fa43ab66921 43 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
terencez 0:1fa43ab66921 44 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
terencez 0:1fa43ab66921 45 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
terencez 0:1fa43ab66921 46 THE POSSIBILITY OF SUCH DAMAGE.
terencez 0:1fa43ab66921 47
terencez 0:1fa43ab66921 48 David Navarro <david.navarro@intel.com>
terencez 0:1fa43ab66921 49
terencez 0:1fa43ab66921 50 */
terencez 0:1fa43ab66921 51
terencez 0:1fa43ab66921 52 #include "internals.h"
terencez 0:1fa43ab66921 53
terencez 0:1fa43ab66921 54 #include <stdlib.h>
terencez 0:1fa43ab66921 55 #include <string.h>
terencez 0:1fa43ab66921 56
terencez 0:1fa43ab66921 57 #include <stdio.h>
terencez 0:1fa43ab66921 58
terencez 0:1fa43ab66921 59
terencez 0:1fa43ab66921 60 lwm2m_context_t * lwm2m_init(void * userData)
terencez 0:1fa43ab66921 61 {
terencez 0:1fa43ab66921 62 lwm2m_context_t * contextP;
terencez 0:1fa43ab66921 63
terencez 0:1fa43ab66921 64 LOG("Entering");
terencez 0:1fa43ab66921 65 contextP = (lwm2m_context_t *)lwm2m_malloc(sizeof(lwm2m_context_t));
terencez 0:1fa43ab66921 66 if (NULL != contextP)
terencez 0:1fa43ab66921 67 {
terencez 0:1fa43ab66921 68 memset(contextP, 0, sizeof(lwm2m_context_t));
terencez 0:1fa43ab66921 69 contextP->userData = userData;
terencez 0:1fa43ab66921 70 srand((int)lwm2m_gettime());
terencez 0:1fa43ab66921 71 contextP->nextMID = rand();
terencez 0:1fa43ab66921 72 }
terencez 0:1fa43ab66921 73
terencez 0:1fa43ab66921 74 return contextP;
terencez 0:1fa43ab66921 75 }
terencez 0:1fa43ab66921 76
terencez 0:1fa43ab66921 77 #ifdef LWM2M_CLIENT_MODE
terencez 0:1fa43ab66921 78 void lwm2m_deregister(lwm2m_context_t * context)
terencez 0:1fa43ab66921 79 {
terencez 0:1fa43ab66921 80 lwm2m_server_t * server = context->serverList;
terencez 0:1fa43ab66921 81
terencez 0:1fa43ab66921 82 LOG("Entering");
terencez 0:1fa43ab66921 83 while (NULL != server)
terencez 0:1fa43ab66921 84 {
terencez 0:1fa43ab66921 85 registration_deregister(context, server);
terencez 0:1fa43ab66921 86 server = server->next;
terencez 0:1fa43ab66921 87 }
terencez 0:1fa43ab66921 88 }
terencez 0:1fa43ab66921 89
terencez 0:1fa43ab66921 90 static void prv_deleteServer(lwm2m_server_t * serverP)
terencez 0:1fa43ab66921 91 {
terencez 0:1fa43ab66921 92 // TODO parse transaction and observation to remove the ones related to this server
terencez 0:1fa43ab66921 93 if (NULL != serverP->location)
terencez 0:1fa43ab66921 94 {
terencez 0:1fa43ab66921 95 lwm2m_free(serverP->location);
terencez 0:1fa43ab66921 96 }
terencez 0:1fa43ab66921 97 free_block1_buffer(serverP->block1Data);
terencez 0:1fa43ab66921 98 lwm2m_free(serverP);
terencez 0:1fa43ab66921 99 }
terencez 0:1fa43ab66921 100
terencez 0:1fa43ab66921 101 static void prv_deleteServerList(lwm2m_context_t * context)
terencez 0:1fa43ab66921 102 {
terencez 0:1fa43ab66921 103 while (NULL != context->serverList)
terencez 0:1fa43ab66921 104 {
terencez 0:1fa43ab66921 105 lwm2m_server_t * server;
terencez 0:1fa43ab66921 106 server = context->serverList;
terencez 0:1fa43ab66921 107 context->serverList = server->next;
terencez 0:1fa43ab66921 108 prv_deleteServer(server);
terencez 0:1fa43ab66921 109 }
terencez 0:1fa43ab66921 110 }
terencez 0:1fa43ab66921 111
terencez 0:1fa43ab66921 112 static void prv_deleteBootstrapServer(lwm2m_server_t * serverP)
terencez 0:1fa43ab66921 113 {
terencez 0:1fa43ab66921 114 // TODO should we free location as in prv_deleteServer ?
terencez 0:1fa43ab66921 115 // TODO should we parse transaction and observation to remove the ones related to this server ?
terencez 0:1fa43ab66921 116 free_block1_buffer(serverP->block1Data);
terencez 0:1fa43ab66921 117 lwm2m_free(serverP);
terencez 0:1fa43ab66921 118 }
terencez 0:1fa43ab66921 119
terencez 0:1fa43ab66921 120 static void prv_deleteBootstrapServerList(lwm2m_context_t * context)
terencez 0:1fa43ab66921 121 {
terencez 0:1fa43ab66921 122 while (NULL != context->bootstrapServerList)
terencez 0:1fa43ab66921 123 {
terencez 0:1fa43ab66921 124 lwm2m_server_t * server;
terencez 0:1fa43ab66921 125 server = context->bootstrapServerList;
terencez 0:1fa43ab66921 126 context->bootstrapServerList = server->next;
terencez 0:1fa43ab66921 127 prv_deleteBootstrapServer(server);
terencez 0:1fa43ab66921 128 }
terencez 0:1fa43ab66921 129 }
terencez 0:1fa43ab66921 130
terencez 0:1fa43ab66921 131 static void prv_deleteObservedList(lwm2m_context_t * contextP)
terencez 0:1fa43ab66921 132 {
terencez 0:1fa43ab66921 133 while (NULL != contextP->observedList)
terencez 0:1fa43ab66921 134 {
terencez 0:1fa43ab66921 135 lwm2m_observed_t * targetP;
terencez 0:1fa43ab66921 136 lwm2m_watcher_t * watcherP;
terencez 0:1fa43ab66921 137
terencez 0:1fa43ab66921 138 targetP = contextP->observedList;
terencez 0:1fa43ab66921 139 contextP->observedList = contextP->observedList->next;
terencez 0:1fa43ab66921 140
terencez 0:1fa43ab66921 141 for (watcherP = targetP->watcherList ; watcherP != NULL ; watcherP = watcherP->next)
terencez 0:1fa43ab66921 142 {
terencez 0:1fa43ab66921 143 if (watcherP->parameters != NULL) lwm2m_free(watcherP->parameters);
terencez 0:1fa43ab66921 144 }
terencez 0:1fa43ab66921 145 LWM2M_LIST_FREE(targetP->watcherList);
terencez 0:1fa43ab66921 146
terencez 0:1fa43ab66921 147 lwm2m_free(targetP);
terencez 0:1fa43ab66921 148 }
terencez 0:1fa43ab66921 149 }
terencez 0:1fa43ab66921 150 #endif
terencez 0:1fa43ab66921 151
terencez 0:1fa43ab66921 152 void prv_deleteTransactionList(lwm2m_context_t * context)
terencez 0:1fa43ab66921 153 {
terencez 0:1fa43ab66921 154 while (NULL != context->transactionList)
terencez 0:1fa43ab66921 155 {
terencez 0:1fa43ab66921 156 lwm2m_transaction_t * transaction;
terencez 0:1fa43ab66921 157
terencez 0:1fa43ab66921 158 transaction = context->transactionList;
terencez 0:1fa43ab66921 159 context->transactionList = context->transactionList->next;
terencez 0:1fa43ab66921 160 transaction_free(transaction);
terencez 0:1fa43ab66921 161 }
terencez 0:1fa43ab66921 162 }
terencez 0:1fa43ab66921 163
terencez 0:1fa43ab66921 164 void lwm2m_close(lwm2m_context_t * contextP)
terencez 0:1fa43ab66921 165 {
terencez 0:1fa43ab66921 166 #ifdef LWM2M_CLIENT_MODE
terencez 0:1fa43ab66921 167
terencez 0:1fa43ab66921 168 LOG("Entering");
terencez 0:1fa43ab66921 169 lwm2m_deregister(contextP);
terencez 0:1fa43ab66921 170 prv_deleteServerList(contextP);
terencez 0:1fa43ab66921 171 prv_deleteBootstrapServerList(contextP);
terencez 0:1fa43ab66921 172 prv_deleteObservedList(contextP);
terencez 0:1fa43ab66921 173 lwm2m_free(contextP->endpointName);
terencez 0:1fa43ab66921 174 if (contextP->msisdn != NULL)
terencez 0:1fa43ab66921 175 {
terencez 0:1fa43ab66921 176 lwm2m_free(contextP->msisdn);
terencez 0:1fa43ab66921 177 }
terencez 0:1fa43ab66921 178 if (contextP->altPath != NULL)
terencez 0:1fa43ab66921 179 {
terencez 0:1fa43ab66921 180 lwm2m_free(contextP->altPath);
terencez 0:1fa43ab66921 181 }
terencez 0:1fa43ab66921 182
terencez 0:1fa43ab66921 183 #endif
terencez 0:1fa43ab66921 184
terencez 0:1fa43ab66921 185 #ifdef LWM2M_SERVER_MODE
terencez 0:1fa43ab66921 186 while (NULL != contextP->clientList)
terencez 0:1fa43ab66921 187 {
terencez 0:1fa43ab66921 188 lwm2m_client_t * clientP;
terencez 0:1fa43ab66921 189
terencez 0:1fa43ab66921 190 clientP = contextP->clientList;
terencez 0:1fa43ab66921 191 contextP->clientList = contextP->clientList->next;
terencez 0:1fa43ab66921 192
terencez 0:1fa43ab66921 193 registration_freeClient(clientP);
terencez 0:1fa43ab66921 194 }
terencez 0:1fa43ab66921 195 #endif
terencez 0:1fa43ab66921 196
terencez 0:1fa43ab66921 197 prv_deleteTransactionList(contextP);
terencez 0:1fa43ab66921 198 lwm2m_free(contextP);
terencez 0:1fa43ab66921 199 }
terencez 0:1fa43ab66921 200
terencez 0:1fa43ab66921 201 #ifdef LWM2M_CLIENT_MODE
terencez 0:1fa43ab66921 202 static int prv_refreshServerList(lwm2m_context_t * contextP)
terencez 0:1fa43ab66921 203 {
terencez 0:1fa43ab66921 204 lwm2m_server_t * targetP;
terencez 0:1fa43ab66921 205 lwm2m_server_t * nextP;
terencez 0:1fa43ab66921 206
terencez 0:1fa43ab66921 207 // Remove all servers marked as dirty
terencez 0:1fa43ab66921 208 targetP = contextP->bootstrapServerList;
terencez 0:1fa43ab66921 209 contextP->bootstrapServerList = NULL;
terencez 0:1fa43ab66921 210 while (targetP != NULL)
terencez 0:1fa43ab66921 211 {
terencez 0:1fa43ab66921 212 nextP = targetP->next;
terencez 0:1fa43ab66921 213 targetP->next = NULL;
terencez 0:1fa43ab66921 214 if (!targetP->dirty)
terencez 0:1fa43ab66921 215 {
terencez 0:1fa43ab66921 216 targetP->status = STATE_DEREGISTERED;
terencez 0:1fa43ab66921 217 contextP->bootstrapServerList = (lwm2m_server_t *)LWM2M_LIST_ADD(contextP->bootstrapServerList, targetP);
terencez 0:1fa43ab66921 218 }
terencez 0:1fa43ab66921 219 else
terencez 0:1fa43ab66921 220 {
terencez 0:1fa43ab66921 221 prv_deleteServer(targetP);
terencez 0:1fa43ab66921 222 }
terencez 0:1fa43ab66921 223 targetP = nextP;
terencez 0:1fa43ab66921 224 }
terencez 0:1fa43ab66921 225 targetP = contextP->serverList;
terencez 0:1fa43ab66921 226 contextP->serverList = NULL;
terencez 0:1fa43ab66921 227 while (targetP != NULL)
terencez 0:1fa43ab66921 228 {
terencez 0:1fa43ab66921 229 nextP = targetP->next;
terencez 0:1fa43ab66921 230 targetP->next = NULL;
terencez 0:1fa43ab66921 231 if (!targetP->dirty)
terencez 0:1fa43ab66921 232 {
terencez 0:1fa43ab66921 233 // TODO: Should we revert the status to STATE_DEREGISTERED ?
terencez 0:1fa43ab66921 234 contextP->serverList = (lwm2m_server_t *)LWM2M_LIST_ADD(contextP->serverList, targetP);
terencez 0:1fa43ab66921 235 }
terencez 0:1fa43ab66921 236 else
terencez 0:1fa43ab66921 237 {
terencez 0:1fa43ab66921 238 prv_deleteServer(targetP);
terencez 0:1fa43ab66921 239 }
terencez 0:1fa43ab66921 240 targetP = nextP;
terencez 0:1fa43ab66921 241 }
terencez 0:1fa43ab66921 242
terencez 0:1fa43ab66921 243 return object_getServers(contextP);
terencez 0:1fa43ab66921 244 }
terencez 0:1fa43ab66921 245
terencez 0:1fa43ab66921 246 int lwm2m_configure(lwm2m_context_t * contextP,
terencez 0:1fa43ab66921 247 const char * endpointName,
terencez 0:1fa43ab66921 248 const char * msisdn,
terencez 0:1fa43ab66921 249 const char * altPath,
terencez 0:1fa43ab66921 250 uint16_t numObject,
terencez 0:1fa43ab66921 251 lwm2m_object_t * objectList[])
terencez 0:1fa43ab66921 252 {
terencez 0:1fa43ab66921 253 int i;
terencez 0:1fa43ab66921 254 uint8_t found;
terencez 0:1fa43ab66921 255
terencez 0:1fa43ab66921 256 LOG_ARG("endpointName: \"%s\", msisdn: \"%s\", altPath: \"%s\", numObject: %d", endpointName, msisdn, altPath, numObject);
terencez 0:1fa43ab66921 257 // This API can be called only once for now
terencez 0:1fa43ab66921 258 if (contextP->endpointName != NULL || contextP->objectList != NULL) return COAP_400_BAD_REQUEST;
terencez 0:1fa43ab66921 259
terencez 0:1fa43ab66921 260 if (endpointName == NULL) return COAP_400_BAD_REQUEST;
terencez 0:1fa43ab66921 261 if (numObject < 3) return COAP_400_BAD_REQUEST;
terencez 0:1fa43ab66921 262 // Check that mandatory objects are present
terencez 0:1fa43ab66921 263 found = 0;
terencez 0:1fa43ab66921 264 for (i = 0 ; i < numObject ; i++)
terencez 0:1fa43ab66921 265 {
terencez 0:1fa43ab66921 266 if (objectList[i]->objID == LWM2M_SECURITY_OBJECT_ID) found |= 0x01;
terencez 0:1fa43ab66921 267 if (objectList[i]->objID == LWM2M_SERVER_OBJECT_ID) found |= 0x02;
terencez 0:1fa43ab66921 268 if (objectList[i]->objID == LWM2M_DEVICE_OBJECT_ID) found |= 0x04;
terencez 0:1fa43ab66921 269 }
terencez 0:1fa43ab66921 270 if (found != 0x07) return COAP_400_BAD_REQUEST;
terencez 0:1fa43ab66921 271 if (altPath != NULL)
terencez 0:1fa43ab66921 272 {
terencez 0:1fa43ab66921 273 if (0 == utils_isAltPathValid(altPath))
terencez 0:1fa43ab66921 274 {
terencez 0:1fa43ab66921 275 return COAP_400_BAD_REQUEST;
terencez 0:1fa43ab66921 276 }
terencez 0:1fa43ab66921 277 if (altPath[1] == 0)
terencez 0:1fa43ab66921 278 {
terencez 0:1fa43ab66921 279 altPath = NULL;
terencez 0:1fa43ab66921 280 }
terencez 0:1fa43ab66921 281 }
terencez 0:1fa43ab66921 282 contextP->endpointName = lwm2m_strdup(endpointName);
terencez 0:1fa43ab66921 283 if (contextP->endpointName == NULL)
terencez 0:1fa43ab66921 284 {
terencez 0:1fa43ab66921 285 return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:1fa43ab66921 286 }
terencez 0:1fa43ab66921 287
terencez 0:1fa43ab66921 288 if (msisdn != NULL)
terencez 0:1fa43ab66921 289 {
terencez 0:1fa43ab66921 290 contextP->msisdn = lwm2m_strdup(msisdn);
terencez 0:1fa43ab66921 291 if (contextP->msisdn == NULL)
terencez 0:1fa43ab66921 292 {
terencez 0:1fa43ab66921 293 return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:1fa43ab66921 294 }
terencez 0:1fa43ab66921 295 }
terencez 0:1fa43ab66921 296
terencez 0:1fa43ab66921 297 if (altPath != NULL)
terencez 0:1fa43ab66921 298 {
terencez 0:1fa43ab66921 299 contextP->altPath = lwm2m_strdup(altPath);
terencez 0:1fa43ab66921 300 if (contextP->altPath == NULL)
terencez 0:1fa43ab66921 301 {
terencez 0:1fa43ab66921 302 return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:1fa43ab66921 303 }
terencez 0:1fa43ab66921 304 }
terencez 0:1fa43ab66921 305
terencez 0:1fa43ab66921 306 for (i = 0; i < numObject; i++)
terencez 0:1fa43ab66921 307 {
terencez 0:1fa43ab66921 308 objectList[i]->next = NULL;
terencez 0:1fa43ab66921 309 contextP->objectList = (lwm2m_object_t *)LWM2M_LIST_ADD(contextP->objectList, objectList[i]);
terencez 0:1fa43ab66921 310 }
terencez 0:1fa43ab66921 311
terencez 0:1fa43ab66921 312 return COAP_NO_ERROR;
terencez 0:1fa43ab66921 313 }
terencez 0:1fa43ab66921 314
terencez 0:1fa43ab66921 315 int lwm2m_add_object(lwm2m_context_t * contextP,
terencez 0:1fa43ab66921 316 lwm2m_object_t * objectP)
terencez 0:1fa43ab66921 317 {
terencez 0:1fa43ab66921 318 lwm2m_object_t * targetP;
terencez 0:1fa43ab66921 319
terencez 0:1fa43ab66921 320 LOG_ARG("ID: %d", objectP->objID);
terencez 0:1fa43ab66921 321 targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, objectP->objID);
terencez 0:1fa43ab66921 322 if (targetP != NULL) return COAP_406_NOT_ACCEPTABLE;
terencez 0:1fa43ab66921 323 objectP->next = NULL;
terencez 0:1fa43ab66921 324
terencez 0:1fa43ab66921 325 contextP->objectList = (lwm2m_object_t *)LWM2M_LIST_ADD(contextP->objectList, objectP);
terencez 0:1fa43ab66921 326
terencez 0:1fa43ab66921 327 if (contextP->state == STATE_READY)
terencez 0:1fa43ab66921 328 {
terencez 0:1fa43ab66921 329 return lwm2m_update_registration(contextP, 0, true);
terencez 0:1fa43ab66921 330 }
terencez 0:1fa43ab66921 331
terencez 0:1fa43ab66921 332 return COAP_NO_ERROR;
terencez 0:1fa43ab66921 333 }
terencez 0:1fa43ab66921 334
terencez 0:1fa43ab66921 335 int lwm2m_remove_object(lwm2m_context_t * contextP,
terencez 0:1fa43ab66921 336 uint16_t id)
terencez 0:1fa43ab66921 337 {
terencez 0:1fa43ab66921 338 lwm2m_object_t * targetP;
terencez 0:1fa43ab66921 339
terencez 0:1fa43ab66921 340 LOG_ARG("ID: %d", id);
terencez 0:1fa43ab66921 341 contextP->objectList = (lwm2m_object_t *)LWM2M_LIST_RM(contextP->objectList, id, &targetP);
terencez 0:1fa43ab66921 342
terencez 0:1fa43ab66921 343 if (targetP == NULL) return COAP_404_NOT_FOUND;
terencez 0:1fa43ab66921 344
terencez 0:1fa43ab66921 345 if (contextP->state == STATE_READY)
terencez 0:1fa43ab66921 346 {
terencez 0:1fa43ab66921 347 return lwm2m_update_registration(contextP, 0, true);
terencez 0:1fa43ab66921 348 }
terencez 0:1fa43ab66921 349
terencez 0:1fa43ab66921 350 return 0;
terencez 0:1fa43ab66921 351 }
terencez 0:1fa43ab66921 352
terencez 0:1fa43ab66921 353 #endif
terencez 0:1fa43ab66921 354
terencez 0:1fa43ab66921 355
terencez 0:1fa43ab66921 356 int lwm2m_step(lwm2m_context_t * contextP,
terencez 0:1fa43ab66921 357 time_t * timeoutP)
terencez 0:1fa43ab66921 358 {
terencez 0:1fa43ab66921 359 time_t tv_sec;
terencez 0:1fa43ab66921 360 int result;
terencez 0:1fa43ab66921 361
terencez 0:1fa43ab66921 362 LOG_ARG("timeoutP: %" PRId64, *timeoutP);
terencez 0:1fa43ab66921 363 tv_sec = lwm2m_gettime();
terencez 0:1fa43ab66921 364 if (tv_sec < 0) return COAP_500_INTERNAL_SERVER_ERROR;
terencez 0:1fa43ab66921 365
terencez 0:1fa43ab66921 366 #ifdef LWM2M_CLIENT_MODE
terencez 0:1fa43ab66921 367 LOG_ARG("State: %s", STR_STATE(contextP->state));
terencez 0:1fa43ab66921 368 // state can also be modified in bootstrap_handleCommand().
terencez 0:1fa43ab66921 369
terencez 0:1fa43ab66921 370 next_step:
terencez 0:1fa43ab66921 371 switch (contextP->state)
terencez 0:1fa43ab66921 372 {
terencez 0:1fa43ab66921 373 case STATE_INITIAL:
terencez 0:1fa43ab66921 374 if (0 != prv_refreshServerList(contextP)) return COAP_503_SERVICE_UNAVAILABLE;
terencez 0:1fa43ab66921 375 if (contextP->serverList != NULL)
terencez 0:1fa43ab66921 376 {
terencez 0:1fa43ab66921 377 contextP->state = STATE_REGISTER_REQUIRED;
terencez 0:1fa43ab66921 378 }
terencez 0:1fa43ab66921 379 else
terencez 0:1fa43ab66921 380 {
terencez 0:1fa43ab66921 381 // Bootstrapping
terencez 0:1fa43ab66921 382 contextP->state = STATE_BOOTSTRAP_REQUIRED;
terencez 0:1fa43ab66921 383 }
terencez 0:1fa43ab66921 384 goto next_step;
terencez 0:1fa43ab66921 385 break;
terencez 0:1fa43ab66921 386
terencez 0:1fa43ab66921 387 case STATE_BOOTSTRAP_REQUIRED:
terencez 0:1fa43ab66921 388 #ifdef LWM2M_BOOTSTRAP
terencez 0:1fa43ab66921 389 if (contextP->bootstrapServerList != NULL)
terencez 0:1fa43ab66921 390 {
terencez 0:1fa43ab66921 391 bootstrap_start(contextP);
terencez 0:1fa43ab66921 392 contextP->state = STATE_BOOTSTRAPPING;
terencez 0:1fa43ab66921 393 bootstrap_step(contextP, tv_sec, timeoutP);
terencez 0:1fa43ab66921 394 }
terencez 0:1fa43ab66921 395 else
terencez 0:1fa43ab66921 396 #endif
terencez 0:1fa43ab66921 397 {
terencez 0:1fa43ab66921 398 return COAP_503_SERVICE_UNAVAILABLE;
terencez 0:1fa43ab66921 399 }
terencez 0:1fa43ab66921 400 break;
terencez 0:1fa43ab66921 401
terencez 0:1fa43ab66921 402 #ifdef LWM2M_BOOTSTRAP
terencez 0:1fa43ab66921 403 case STATE_BOOTSTRAPPING:
terencez 0:1fa43ab66921 404 switch (bootstrap_getStatus(contextP))
terencez 0:1fa43ab66921 405 {
terencez 0:1fa43ab66921 406 case STATE_BS_FINISHED:
terencez 0:1fa43ab66921 407 contextP->state = STATE_INITIAL;
terencez 0:1fa43ab66921 408 goto next_step;
terencez 0:1fa43ab66921 409 break;
terencez 0:1fa43ab66921 410
terencez 0:1fa43ab66921 411 case STATE_BS_FAILED:
terencez 0:1fa43ab66921 412 return COAP_503_SERVICE_UNAVAILABLE;
terencez 0:1fa43ab66921 413
terencez 0:1fa43ab66921 414 default:
terencez 0:1fa43ab66921 415 // keep on waiting
terencez 0:1fa43ab66921 416 bootstrap_step(contextP, tv_sec, timeoutP);
terencez 0:1fa43ab66921 417 break;
terencez 0:1fa43ab66921 418 }
terencez 0:1fa43ab66921 419 break;
terencez 0:1fa43ab66921 420 #endif
terencez 0:1fa43ab66921 421 case STATE_REGISTER_REQUIRED:
terencez 0:1fa43ab66921 422 result = registration_start(contextP);
terencez 0:1fa43ab66921 423 if (COAP_NO_ERROR != result) return result;
terencez 0:1fa43ab66921 424 contextP->state = STATE_REGISTERING;
terencez 0:1fa43ab66921 425 break;
terencez 0:1fa43ab66921 426
terencez 0:1fa43ab66921 427 case STATE_REGISTERING:
terencez 0:1fa43ab66921 428 {
terencez 0:1fa43ab66921 429 switch (registration_getStatus(contextP))
terencez 0:1fa43ab66921 430 {
terencez 0:1fa43ab66921 431 case STATE_REGISTERED:
terencez 0:1fa43ab66921 432 contextP->state = STATE_READY;
terencez 0:1fa43ab66921 433 break;
terencez 0:1fa43ab66921 434
terencez 0:1fa43ab66921 435 case STATE_REG_FAILED:
terencez 0:1fa43ab66921 436 // TODO avoid infinite loop by checking the bootstrap info is different
terencez 0:1fa43ab66921 437 contextP->state = STATE_BOOTSTRAP_REQUIRED;
terencez 0:1fa43ab66921 438 goto next_step;
terencez 0:1fa43ab66921 439 break;
terencez 0:1fa43ab66921 440
terencez 0:1fa43ab66921 441 case STATE_REG_PENDING:
terencez 0:1fa43ab66921 442 default:
terencez 0:1fa43ab66921 443 // keep on waiting
terencez 0:1fa43ab66921 444 break;
terencez 0:1fa43ab66921 445 }
terencez 0:1fa43ab66921 446 }
terencez 0:1fa43ab66921 447 break;
terencez 0:1fa43ab66921 448
terencez 0:1fa43ab66921 449 case STATE_READY:
terencez 0:1fa43ab66921 450 if (registration_getStatus(contextP) == STATE_REG_FAILED)
terencez 0:1fa43ab66921 451 {
terencez 0:1fa43ab66921 452 // TODO avoid infinite loop by checking the bootstrap info is different
terencez 0:1fa43ab66921 453 contextP->state = STATE_BOOTSTRAP_REQUIRED;
terencez 0:1fa43ab66921 454 goto next_step;
terencez 0:1fa43ab66921 455 break;
terencez 0:1fa43ab66921 456 }
terencez 0:1fa43ab66921 457 break;
terencez 0:1fa43ab66921 458
terencez 0:1fa43ab66921 459 default:
terencez 0:1fa43ab66921 460 // do nothing
terencez 0:1fa43ab66921 461 break;
terencez 0:1fa43ab66921 462 }
terencez 0:1fa43ab66921 463
terencez 0:1fa43ab66921 464 observe_step(contextP, tv_sec, timeoutP);
terencez 0:1fa43ab66921 465 #endif
terencez 0:1fa43ab66921 466
terencez 0:1fa43ab66921 467 registration_step(contextP, tv_sec, timeoutP);
terencez 0:1fa43ab66921 468 transaction_step(contextP, tv_sec, timeoutP);
terencez 0:1fa43ab66921 469
terencez 0:1fa43ab66921 470 LOG_ARG("Final timeoutP: %" PRId64, *timeoutP);
terencez 0:1fa43ab66921 471 #ifdef LWM2M_CLIENT_MODE
terencez 0:1fa43ab66921 472 LOG_ARG("Final state: %s", STR_STATE(contextP->state));
terencez 0:1fa43ab66921 473 #endif
terencez 0:1fa43ab66921 474 return 0;
terencez 0:1fa43ab66921 475 }