terence zhang
pick up wakaama files from https://github.com/eclipse/wakaama
Diff: core/objects.c
- Revision:
- 0:1fa43ab66921
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/core/objects.c Wed Apr 19 11:30:02 2017 +0000
@@ -0,0 +1,830 @@
+/*******************************************************************************
+ *
+ * Copyright (c) 2013, 2014 Intel Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Eclipse Distribution License v1.0 which accompany this distribution.
+ *
+ * The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * The Eclipse Distribution License is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * Contributors:
+ * David Navarro, Intel Corporation - initial API and implementation
+ * Fabien Fleutot - Please refer to git log
+ * Toby Jaffey - Please refer to git log
+ * Benjamin Cabé - Please refer to git log
+ * Bosch Software Innovations GmbH - Please refer to git log
+ * Pascal Rieux - Please refer to git log
+ *
+ *******************************************************************************/
+
+/*
+ Copyright (c) 2013, 2014 Intel Corporation
+
+ Redistribution and use in source and binary forms, with or without modification,
+ are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+ * Neither the name of Intel Corporation nor the names of its contributors
+ may be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ THE POSSIBILITY OF SUCH DAMAGE.
+
+ David Navarro <david.navarro@intel.com>
+
+*/
+#include "internals.h"
+
+#ifdef LWM2M_CLIENT_MODE
+
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+
+uint8_t object_checkReadable(lwm2m_context_t * contextP,
+ lwm2m_uri_t * uriP)
+{
+ coap_status_t result;
+ lwm2m_object_t * targetP;
+ lwm2m_data_t * dataP = NULL;
+ int size;
+
+ LOG_URI(uriP);
+ targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
+ if (NULL == targetP) return COAP_404_NOT_FOUND;
+ if (NULL == targetP->readFunc) return COAP_405_METHOD_NOT_ALLOWED;
+
+ if (!LWM2M_URI_IS_SET_INSTANCE(uriP)) return COAP_205_CONTENT;
+
+ if (NULL == lwm2m_list_find(targetP->instanceList, uriP->instanceId)) return COAP_404_NOT_FOUND;
+
+ if (!LWM2M_URI_IS_SET_RESOURCE(uriP)) return COAP_205_CONTENT;
+
+ size = 1;
+ dataP = lwm2m_data_new(1);
+ if (dataP == NULL) return COAP_500_INTERNAL_SERVER_ERROR;
+
+ dataP->id = uriP->resourceId;
+
+ result = targetP->readFunc(uriP->instanceId, &size, &dataP, targetP);
+ lwm2m_data_free(1, dataP);
+
+ return result;
+}
+
+uint8_t object_checkNumeric(lwm2m_context_t * contextP,
+ lwm2m_uri_t * uriP)
+{
+ coap_status_t result;
+ lwm2m_object_t * targetP;
+ lwm2m_data_t * dataP = NULL;
+ int size;
+
+ LOG_URI(uriP);
+ if (!LWM2M_URI_IS_SET_RESOURCE(uriP)) return COAP_405_METHOD_NOT_ALLOWED;
+
+ targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
+ if (NULL == targetP) return COAP_404_NOT_FOUND;
+ if (NULL == targetP->readFunc) return COAP_405_METHOD_NOT_ALLOWED;
+
+ size = 1;
+ dataP = lwm2m_data_new(1);
+ if (dataP == NULL) return COAP_500_INTERNAL_SERVER_ERROR;
+
+ dataP->id = uriP->resourceId;
+
+ result = targetP->readFunc(uriP->instanceId, &size, &dataP, targetP);
+ if (result == COAP_205_CONTENT)
+ {
+ switch (dataP->type)
+ {
+ case LWM2M_TYPE_INTEGER:
+ case LWM2M_TYPE_FLOAT:
+ break;
+ default:
+ result = COAP_405_METHOD_NOT_ALLOWED;
+ }
+ }
+
+ lwm2m_data_free(1, dataP);
+
+ return result;
+}
+
+coap_status_t object_readData(lwm2m_context_t * contextP,
+ lwm2m_uri_t * uriP,
+ int * sizeP,
+ lwm2m_data_t ** dataP)
+{
+ coap_status_t result;
+ lwm2m_object_t * targetP;
+
+ LOG_URI(uriP);
+ targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
+ if (NULL == targetP) return COAP_404_NOT_FOUND;
+ if (NULL == targetP->readFunc) return COAP_405_METHOD_NOT_ALLOWED;
+
+ if (LWM2M_URI_IS_SET_INSTANCE(uriP))
+ {
+ if (NULL == lwm2m_list_find(targetP->instanceList, uriP->instanceId)) return COAP_404_NOT_FOUND;
+
+ // single instance read
+ if (LWM2M_URI_IS_SET_RESOURCE(uriP))
+ {
+ *sizeP = 1;
+ *dataP = lwm2m_data_new(*sizeP);
+ if (*dataP == NULL) return COAP_500_INTERNAL_SERVER_ERROR;
+
+ (*dataP)->id = uriP->resourceId;
+ }
+
+ result = targetP->readFunc(uriP->instanceId, sizeP, dataP, targetP);
+ }
+ else
+ {
+ // multiple object instances read
+ lwm2m_list_t * instanceP;
+ int i;
+
+ result = COAP_205_CONTENT;
+
+ *sizeP = 0;
+ for (instanceP = targetP->instanceList; instanceP != NULL ; instanceP = instanceP->next)
+ {
+ (*sizeP)++;
+ }
+
+ if (*sizeP == 0)
+ {
+ *dataP = NULL;
+ }
+ else
+ {
+ *dataP = lwm2m_data_new(*sizeP);
+ if (*dataP == NULL) return COAP_500_INTERNAL_SERVER_ERROR;
+
+ instanceP = targetP->instanceList;
+ i = 0;
+ while (instanceP != NULL && result == COAP_205_CONTENT)
+ {
+ result = targetP->readFunc(instanceP->id, (int*)&((*dataP)[i].value.asChildren.count), &((*dataP)[i].value.asChildren.array), targetP);
+ (*dataP)[i].type = LWM2M_TYPE_OBJECT_INSTANCE;
+ (*dataP)[i].id = instanceP->id;
+ i++;
+ instanceP = instanceP->next;
+ }
+ }
+ }
+
+ LOG_ARG("result: %u.%2u, size: %d", (result & 0xFF) >> 5, (result & 0x1F), *sizeP);
+ return result;
+}
+
+coap_status_t object_read(lwm2m_context_t * contextP,
+ lwm2m_uri_t * uriP,
+ lwm2m_media_type_t * formatP,
+ uint8_t ** bufferP,
+ size_t * lengthP)
+{
+ coap_status_t result;
+ lwm2m_data_t * dataP = NULL;
+ int size = 0;
+ int res;
+
+ LOG_URI(uriP);
+ result = object_readData(contextP, uriP, &size, &dataP);
+
+ if (result == COAP_205_CONTENT)
+ {
+ res = lwm2m_data_serialize(uriP, size, dataP, formatP, bufferP);
+ if (res < 0)
+ {
+ result = COAP_500_INTERNAL_SERVER_ERROR;
+ }
+ else
+ {
+ *lengthP = (size_t)res;
+ }
+ }
+ lwm2m_data_free(size, dataP);
+
+ LOG_ARG("result: %u.%2u, length: %d", (result & 0xFF) >> 5, (result & 0x1F), *lengthP);
+
+ return result;
+}
+
+coap_status_t object_write(lwm2m_context_t * contextP,
+ lwm2m_uri_t * uriP,
+ lwm2m_media_type_t format,
+ uint8_t * buffer,
+ size_t length)
+{
+ coap_status_t result = NO_ERROR;
+ lwm2m_object_t * targetP;
+ lwm2m_data_t * dataP = NULL;
+ int size = 0;
+
+ LOG_URI(uriP);
+ targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
+ if (NULL == targetP)
+ {
+ result = COAP_404_NOT_FOUND;
+ }
+ else if (NULL == targetP->writeFunc)
+ {
+ result = COAP_405_METHOD_NOT_ALLOWED;
+ }
+ else
+ {
+ size = lwm2m_data_parse(uriP, buffer, length, format, &dataP);
+ if (size == 0)
+ {
+ result = COAP_406_NOT_ACCEPTABLE;
+ }
+ }
+ if (result == NO_ERROR)
+ {
+ result = targetP->writeFunc(uriP->instanceId, size, dataP, targetP);
+ lwm2m_data_free(size, dataP);
+ }
+
+ LOG_ARG("result: %u.%2u", (result & 0xFF) >> 5, (result & 0x1F));
+
+ return result;
+}
+
+coap_status_t object_execute(lwm2m_context_t * contextP,
+ lwm2m_uri_t * uriP,
+ uint8_t * buffer,
+ size_t length)
+{
+ lwm2m_object_t * targetP;
+
+ LOG_URI(uriP);
+ targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
+ if (NULL == targetP) return COAP_404_NOT_FOUND;
+ if (NULL == targetP->executeFunc) return COAP_405_METHOD_NOT_ALLOWED;
+ if (NULL == lwm2m_list_find(targetP->instanceList, uriP->instanceId)) return COAP_404_NOT_FOUND;
+
+ return targetP->executeFunc(uriP->instanceId, uriP->resourceId, buffer, length, targetP);
+}
+
+coap_status_t object_create(lwm2m_context_t * contextP,
+ lwm2m_uri_t * uriP,
+ lwm2m_media_type_t format,
+ uint8_t * buffer,
+ size_t length)
+{
+ lwm2m_object_t * targetP;
+ lwm2m_data_t * dataP = NULL;
+ int size = 0;
+ uint8_t result;
+
+ LOG_URI(uriP);
+
+ if (length == 0 || buffer == 0)
+ {
+ return COAP_400_BAD_REQUEST;
+ }
+
+ targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
+ if (NULL == targetP) return COAP_404_NOT_FOUND;
+ if (NULL == targetP->createFunc) return COAP_405_METHOD_NOT_ALLOWED;
+
+ size = lwm2m_data_parse(uriP, buffer, length, format, &dataP);
+ if (size <= 0) return COAP_400_BAD_REQUEST;
+
+ switch (dataP[0].type)
+ {
+ case LWM2M_TYPE_OBJECT:
+ result = COAP_400_BAD_REQUEST;
+ goto exit;
+
+ case LWM2M_TYPE_OBJECT_INSTANCE:
+ if (size != 1)
+ {
+ result = COAP_400_BAD_REQUEST;
+ goto exit;
+ }
+ if (NULL != lwm2m_list_find(targetP->instanceList, dataP[0].id))
+ {
+ // Instance already exists
+ result = COAP_406_NOT_ACCEPTABLE;
+ goto exit;
+ }
+ result = targetP->createFunc(dataP[0].id, dataP[0].value.asChildren.count, dataP[0].value.asChildren.array, targetP);
+ uriP->instanceId = dataP[0].id;
+ uriP->flag |= LWM2M_URI_FLAG_INSTANCE_ID;
+ break;
+
+ default:
+ if (!LWM2M_URI_IS_SET_INSTANCE(uriP))
+ {
+ uriP->instanceId = lwm2m_list_newId(targetP->instanceList);
+ uriP->flag |= LWM2M_URI_FLAG_INSTANCE_ID;
+ }
+ result = targetP->createFunc(uriP->instanceId, size, dataP, targetP);
+ break;
+ }
+
+exit:
+ lwm2m_data_free(size, dataP);
+
+ LOG_ARG("result: %u.%2u", (result & 0xFF) >> 5, (result & 0x1F));
+
+ return result;
+}
+
+coap_status_t object_delete(lwm2m_context_t * contextP,
+ lwm2m_uri_t * uriP)
+{
+ lwm2m_object_t * objectP;
+ coap_status_t result;
+
+ LOG_URI(uriP);
+ objectP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
+ if (NULL == objectP) return COAP_404_NOT_FOUND;
+ if (NULL == objectP->deleteFunc) return COAP_405_METHOD_NOT_ALLOWED;
+
+ LOG("Entering");
+
+ if (LWM2M_URI_IS_SET_INSTANCE(uriP))
+ {
+ result = objectP->deleteFunc(uriP->instanceId, objectP);
+ }
+ else
+ {
+ lwm2m_list_t * instanceP;
+
+ result = COAP_202_DELETED;
+ instanceP = objectP->instanceList;
+ while (NULL != instanceP
+ && result == COAP_202_DELETED)
+ {
+ result = objectP->deleteFunc(instanceP->id, objectP);
+ instanceP = objectP->instanceList;
+ }
+ }
+
+ LOG_ARG("result: %u.%2u", (result & 0xFF) >> 5, (result & 0x1F));
+
+ return result;
+}
+
+coap_status_t object_discover(lwm2m_context_t * contextP,
+ lwm2m_uri_t * uriP,
+ lwm2m_server_t * serverP,
+ uint8_t ** bufferP,
+ size_t * lengthP)
+{
+ coap_status_t result;
+ lwm2m_object_t * targetP;
+ lwm2m_data_t * dataP = NULL;
+ int size = 0;
+
+ LOG_URI(uriP);
+ targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
+ if (NULL == targetP) return COAP_404_NOT_FOUND;
+ if (NULL == targetP->discoverFunc) return COAP_501_NOT_IMPLEMENTED;
+
+ if (LWM2M_URI_IS_SET_INSTANCE(uriP))
+ {
+ if (NULL == lwm2m_list_find(targetP->instanceList, uriP->instanceId)) return COAP_404_NOT_FOUND;
+
+ // single instance read
+ if (LWM2M_URI_IS_SET_RESOURCE(uriP))
+ {
+ size = 1;
+ dataP = lwm2m_data_new(size);
+ if (dataP == NULL) return COAP_500_INTERNAL_SERVER_ERROR;
+
+ dataP->id = uriP->resourceId;
+ }
+
+ result = targetP->discoverFunc(uriP->instanceId, &size, &dataP, targetP);
+ }
+ else
+ {
+ // multiple object instances read
+ lwm2m_list_t * instanceP;
+ int i;
+
+ result = COAP_205_CONTENT;
+
+ size = 0;
+ for (instanceP = targetP->instanceList; instanceP != NULL ; instanceP = instanceP->next)
+ {
+ size++;
+ }
+
+ if (size != 0)
+ {
+ dataP = lwm2m_data_new(size);
+ if (dataP == NULL) return COAP_500_INTERNAL_SERVER_ERROR;
+
+ instanceP = targetP->instanceList;
+ i = 0;
+ while (instanceP != NULL && result == COAP_205_CONTENT)
+ {
+ result = targetP->discoverFunc(instanceP->id, (int*)&(dataP[i].value.asChildren.count), &(dataP[i].value.asChildren.array), targetP);
+ dataP[i].type = LWM2M_TYPE_OBJECT_INSTANCE;
+ dataP[i].id = instanceP->id;
+ i++;
+ instanceP = instanceP->next;
+ }
+ }
+ }
+
+ if (result == COAP_205_CONTENT)
+ {
+ int len;
+
+ len = discover_serialize(contextP, uriP, serverP, size, dataP, bufferP);
+ if (len <= 0) result = COAP_500_INTERNAL_SERVER_ERROR;
+ else *lengthP = len;
+ }
+ lwm2m_data_free(size, dataP);
+
+ LOG_ARG("result: %u.%2u", (result & 0xFF) >> 5, (result & 0x1F));
+
+ return result;
+}
+
+bool object_isInstanceNew(lwm2m_context_t * contextP,
+ uint16_t objectId,
+ uint16_t instanceId)
+{
+ lwm2m_object_t * targetP;
+
+ LOG("Entering");
+ targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, objectId);
+ if (targetP != NULL)
+ {
+ if (NULL != lwm2m_list_find(targetP->instanceList, instanceId))
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+static int prv_getObjectTemplate(uint8_t * buffer,
+ size_t length,
+ uint16_t id)
+{
+ int index;
+ int result;
+
+ if (length < REG_OBJECT_MIN_LEN) return -1;
+
+ buffer[0] = '<';
+ buffer[1] = '/';
+ index = 2;
+
+ result = utils_intCopy((char *)buffer + index, length - index, id);
+ if (result < 0) return -1;
+ index += result;
+
+ if (length - index < REG_OBJECT_MIN_LEN - 3) return -1;
+ buffer[index] = '/';
+ index++;
+
+ return index;
+}
+
+int object_getRegisterPayload(lwm2m_context_t * contextP,
+ uint8_t * buffer,
+ size_t bufferLen)
+{
+ size_t index;
+ int result;
+ lwm2m_object_t * objectP;
+
+ LOG("Entering");
+ // index can not be greater than bufferLen
+ index = 0;
+
+ result = utils_stringCopy((char *)buffer, bufferLen, REG_START);
+ if (result < 0) return 0;
+ index += result;
+
+ if ((contextP->altPath != NULL)
+ && (contextP->altPath[0] != 0))
+ {
+ result = utils_stringCopy((char *)buffer + index, bufferLen - index, contextP->altPath);
+ }
+ else
+ {
+ result = utils_stringCopy((char *)buffer + index, bufferLen - index, REG_DEFAULT_PATH);
+ }
+ if (result < 0) return 0;
+ index += result;
+
+ result = utils_stringCopy((char *)buffer + index, bufferLen - index, REG_LWM2M_RESOURCE_TYPE);
+ if (result < 0) return 0;
+ index += result;
+
+ for (objectP = contextP->objectList; objectP != NULL; objectP = objectP->next)
+ {
+ size_t start;
+ size_t length;
+
+ if (objectP->objID == LWM2M_SECURITY_OBJECT_ID) continue;
+
+ start = index;
+ result = prv_getObjectTemplate(buffer + index, bufferLen - index, objectP->objID);
+ if (result < 0) return 0;
+ length = result;
+ index += length;
+
+ if (objectP->instanceList == NULL)
+ {
+ index--;
+ result = utils_stringCopy((char *)buffer + index, bufferLen - index, REG_PATH_END);
+ if (result < 0) return 0;
+ index += result;
+ }
+ else
+ {
+ lwm2m_list_t * targetP;
+ for (targetP = objectP->instanceList ; targetP != NULL ; targetP = targetP->next)
+ {
+ if (bufferLen - index <= length) return 0;
+
+ if (index != start + length)
+ {
+ memcpy(buffer + index, buffer + start, length);
+ index += length;
+ }
+
+ result = utils_intCopy((char *)buffer + index, bufferLen - index, targetP->id);
+ if (result < 0) return 0;
+ index += result;
+
+ result = utils_stringCopy((char *)buffer + index, bufferLen - index, REG_PATH_END);
+ if (result < 0) return 0;
+ index += result;
+ }
+ }
+ }
+
+ if (index > 0)
+ {
+ index = index - 1; // remove trailing ','
+ }
+
+ buffer[index] = 0;
+
+ return index;
+}
+
+static lwm2m_list_t * prv_findServerInstance(lwm2m_object_t * objectP,
+ uint16_t shortID)
+{
+ lwm2m_list_t * instanceP;
+
+ instanceP = objectP->instanceList;
+ while (NULL != instanceP)
+ {
+ int64_t value;
+ lwm2m_data_t * dataP;
+ int size;
+
+ size = 1;
+ dataP = lwm2m_data_new(size);
+ if (dataP == NULL) return NULL;
+ dataP->id = LWM2M_SERVER_SHORT_ID_ID;
+
+ if (objectP->readFunc(instanceP->id, &size, &dataP, objectP) != COAP_205_CONTENT)
+ {
+ lwm2m_data_free(size, dataP);
+ return NULL;
+ }
+
+ if (1 == lwm2m_data_decode_int(dataP, &value))
+ {
+ if (value == shortID)
+ {
+ lwm2m_data_free(size, dataP);
+ break;
+ }
+ }
+ lwm2m_data_free(size, dataP);
+ instanceP = instanceP->next;
+ }
+
+ return instanceP;
+}
+
+static int prv_getMandatoryInfo(lwm2m_object_t * objectP,
+ uint16_t instanceID,
+ lwm2m_server_t * targetP)
+{
+ lwm2m_data_t * dataP;
+ int size;
+ int64_t value;
+
+ size = 2;
+ dataP = lwm2m_data_new(size);
+ if (dataP == NULL) return -1;
+ dataP[0].id = LWM2M_SERVER_LIFETIME_ID;
+ dataP[1].id = LWM2M_SERVER_BINDING_ID;
+
+ if (objectP->readFunc(instanceID, &size, &dataP, objectP) != COAP_205_CONTENT)
+ {
+ lwm2m_data_free(size, dataP);
+ return -1;
+ }
+
+ if (0 == lwm2m_data_decode_int(dataP, &value)
+ || value < 0 || value >0xFFFFFFFF) // This is an implementation limit
+ {
+ lwm2m_data_free(size, dataP);
+ return -1;
+ }
+ targetP->lifetime = value;
+
+ targetP->binding = utils_stringToBinding(dataP[1].value.asBuffer.buffer, dataP[1].value.asBuffer.length);
+
+ lwm2m_data_free(size, dataP);
+
+ if (targetP->binding == BINDING_UNKNOWN)
+ {
+ return -1;
+ }
+
+ return 0;
+}
+
+int object_getServers(lwm2m_context_t * contextP)
+{
+ lwm2m_object_t * objectP;
+ lwm2m_object_t * securityObjP = NULL;
+ lwm2m_object_t * serverObjP = NULL;
+ lwm2m_list_t * securityInstP; // instanceID of the server in the LWM2M Security Object
+
+ LOG("Entering");
+
+ for (objectP = contextP->objectList; objectP != NULL; objectP = objectP->next)
+ {
+ if (objectP->objID == LWM2M_SECURITY_OBJECT_ID)
+ {
+ securityObjP = objectP;
+ }
+ else if (objectP->objID == LWM2M_SERVER_OBJECT_ID)
+ {
+ serverObjP = objectP;
+ }
+ }
+
+ if (NULL == securityObjP) return -1;
+
+ securityInstP = securityObjP->instanceList;
+ while (securityInstP != NULL)
+ {
+ if (LWM2M_LIST_FIND(contextP->bootstrapServerList, securityInstP->id) == NULL
+ && LWM2M_LIST_FIND(contextP->serverList, securityInstP->id) == NULL)
+ {
+ // This server is new. eg created by last bootstrap
+
+ lwm2m_data_t * dataP;
+ int size;
+ lwm2m_server_t * targetP;
+ bool isBootstrap;
+ int64_t value = 0;
+
+ size = 3;
+ dataP = lwm2m_data_new(size);
+ if (dataP == NULL) return -1;
+ dataP[0].id = LWM2M_SECURITY_BOOTSTRAP_ID;
+ dataP[1].id = LWM2M_SECURITY_SHORT_SERVER_ID;
+ dataP[2].id = LWM2M_SECURITY_HOLD_OFF_ID;
+
+ if (securityObjP->readFunc(securityInstP->id, &size, &dataP, securityObjP) != COAP_205_CONTENT)
+ {
+ lwm2m_data_free(size, dataP);
+ return -1;
+ }
+
+ targetP = (lwm2m_server_t *)lwm2m_malloc(sizeof(lwm2m_server_t));
+ if (targetP == NULL) {
+ lwm2m_data_free(size, dataP);
+ return -1;
+ }
+ memset(targetP, 0, sizeof(lwm2m_server_t));
+ targetP->secObjInstID = securityInstP->id;
+
+ if (0 == lwm2m_data_decode_bool(dataP + 0, &isBootstrap))
+ {
+ lwm2m_free(targetP);
+ lwm2m_data_free(size, dataP);
+ return -1;
+ }
+
+ if (0 == lwm2m_data_decode_int(dataP + 1, &value)
+ || value < (isBootstrap ? 0 : 1) || value > 0xFFFF) // 0 is forbidden as a Short Server ID
+ {
+ lwm2m_free(targetP);
+ lwm2m_data_free(size, dataP);
+ return -1;
+ }
+ targetP->shortID = value;
+
+ if (isBootstrap == true)
+ {
+ if (0 == lwm2m_data_decode_int(dataP + 2, &value)
+ || value < 0 || value > 0xFFFFFFFF) // This is an implementation limit
+ {
+ lwm2m_free(targetP);
+ lwm2m_data_free(size, dataP);
+ return -1;
+ }
+ // lifetime of a bootstrap server is set to ClientHoldOffTime
+ targetP->lifetime = value;
+
+ contextP->bootstrapServerList = (lwm2m_server_t*)LWM2M_LIST_ADD(contextP->bootstrapServerList, targetP);
+ }
+ else
+ {
+ lwm2m_list_t * serverInstP; // instanceID of the server in the LWM2M Server Object
+
+ serverInstP = prv_findServerInstance(serverObjP, targetP->shortID);
+ if (serverInstP == NULL)
+ {
+ lwm2m_free(targetP);
+ lwm2m_data_free(size, dataP);
+ return -1;
+ }
+ if (0 != prv_getMandatoryInfo(serverObjP, serverInstP->id, targetP))
+ {
+ lwm2m_free(targetP);
+ lwm2m_data_free(size, dataP);
+ return -1;
+ }
+ targetP->status = STATE_DEREGISTERED;
+ contextP->serverList = (lwm2m_server_t*)LWM2M_LIST_ADD(contextP->serverList, targetP);
+ }
+ lwm2m_data_free(size, dataP);
+ }
+ securityInstP = securityInstP->next;
+ }
+
+ return 0;
+}
+
+coap_status_t object_createInstance(lwm2m_context_t * contextP,
+ lwm2m_uri_t * uriP,
+ lwm2m_data_t * dataP)
+{
+ lwm2m_object_t * targetP;
+
+ LOG_URI(uriP);
+ targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
+ if (NULL == targetP) return COAP_404_NOT_FOUND;
+
+ if (NULL == targetP->createFunc)
+ {
+ return COAP_405_METHOD_NOT_ALLOWED;
+ }
+
+ return targetP->createFunc(lwm2m_list_newId(targetP->instanceList), dataP->value.asChildren.count, dataP->value.asChildren.array, targetP);
+}
+
+coap_status_t object_writeInstance(lwm2m_context_t * contextP,
+ lwm2m_uri_t * uriP,
+ lwm2m_data_t * dataP)
+{
+ lwm2m_object_t * targetP;
+
+ LOG_URI(uriP);
+ targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
+ if (NULL == targetP) return COAP_404_NOT_FOUND;
+
+ if (NULL == targetP->writeFunc)
+ {
+ return COAP_405_METHOD_NOT_ALLOWED;
+ }
+
+ return targetP->writeFunc(dataP->id, dataP->value.asChildren.count, dataP->value.asChildren.array, targetP);
+}
+
+#endif