Ram Gandikota
A metronome using the FRDM K64F board
Diff: mbed-client/source/m2mobjectinstance.cpp
- Revision:
- 0:a7a43371b306
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-client/source/m2mobjectinstance.cpp Sun May 14 18:40:18 2017 +0000
@@ -0,0 +1,720 @@
+/*
+ * Copyright (c) 2015 ARM Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "mbed-client/m2mobjectinstance.h"
+#include "mbed-client/m2mobject.h"
+#include "mbed-client/m2mconstants.h"
+#include "mbed-client/m2mresource.h"
+#include "mbed-client/m2mresource.h"
+#include "mbed-client/m2mobservationhandler.h"
+#include "mbed-client/m2mstring.h"
+#include "mbed-client/m2mstringbuffer.h"
+#include "include/m2mtlvserializer.h"
+#include "include/m2mtlvdeserializer.h"
+#include "include/nsdllinker.h"
+#include "include/m2mreporthandler.h"
+#include "mbed-trace/mbed_trace.h"
+
+#include <stdlib.h>
+
+#define BUFFER_SIZE 10
+#define TRACE_GROUP "mClt"
+
+M2MObjectInstance::M2MObjectInstance(M2MObject& parent, const String &object_name,
+ const String &resource_type,
+ char *path,
+ bool external_blockwise_store)
+: M2MBase(object_name,
+ M2MBase::Dynamic,
+ resource_type,
+ path,
+ external_blockwise_store),
+ _parent(parent)
+{
+ M2MBase::set_base_type(M2MBase::ObjectInstance);
+ M2MBase::set_coap_content_type(COAP_CONTENT_OMA_TLV_TYPE);
+}
+
+M2MObjectInstance::M2MObjectInstance(M2MObject& parent, const lwm2m_parameters_s* static_res)
+: M2MBase(static_res), _parent(parent)
+{
+ M2MBase::set_coap_content_type(COAP_CONTENT_OMA_TLV_TYPE);
+}
+
+M2MObjectInstance::~M2MObjectInstance()
+{
+ if(!_resource_list.empty()) {
+ M2MResource* res = NULL;
+ M2MResourceList::const_iterator it;
+ it = _resource_list.begin();
+ for (; it!=_resource_list.end(); it++ ) {
+ //Free allocated memory for resources.
+ res = *it;
+ delete res;
+ }
+ _resource_list.clear();
+ }
+}
+
+// TBD, ResourceType to the base class struct?? TODO!
+M2MResource* M2MObjectInstance::create_static_resource(const lwm2m_parameters_s* static_res,
+ M2MResourceInstance::ResourceType type)
+{
+ tr_debug("M2MObjectInstance::create_static_resource(lwm2m_parameters_s resource_name %s)", static_res->name);
+ M2MResource *res = NULL;
+ if (validate_string_length(static_res->name, 1, MAX_ALLOWED_STRING_LENGTH) == false) {
+ return res;
+ }
+ if(!resource(static_res->name)) {
+ res = new M2MResource(*this, static_res, type, (const uint16_t) M2MBase::instance_id());
+ if(res) {
+ res->add_observation_level(observation_level());
+ //if (multiple_instance) {
+ //res->set_coap_content_type(COAP_CONTENT_OMA_TLV_TYPE);
+ //}
+ _resource_list.push_back(res);
+ }
+ }
+ return res;
+}
+
+M2MResource* M2MObjectInstance::create_static_resource(const String &resource_name,
+ const String &resource_type,
+ M2MResourceInstance::ResourceType type,
+ const uint8_t *value,
+ const uint8_t value_length,
+ bool multiple_instance,
+ bool external_blockwise_store)
+{
+ tr_debug("M2MObjectInstance::create_static_resource(resource_name %s)",resource_name.c_str());
+ M2MResource *res = NULL;
+ if (validate_string_length(resource_name, 1, MAX_ALLOWED_STRING_LENGTH) == false) {
+ return res;
+ }
+ if(!resource(resource_name)) {
+ char *path = create_path(*this, resource_name.c_str());
+
+ if (path) {
+ res = new M2MResource(*this, resource_name, resource_type, type,
+ value, value_length, path, M2MBase::instance_id(),
+ multiple_instance, external_blockwise_store);
+ if(res) {
+ res->add_observation_level(observation_level());
+ if (multiple_instance) {
+ res->set_coap_content_type(COAP_CONTENT_OMA_TLV_TYPE);
+ }
+ _resource_list.push_back(res);
+ }
+ }
+ }
+ return res;
+}
+
+M2MResource* M2MObjectInstance::create_dynamic_resource(const lwm2m_parameters_s* static_res,
+ M2MResourceInstance::ResourceType type,
+ bool observable)
+{
+ tr_debug("M2MObjectInstance::create_dynamic_resource(resource_name %s)", static_res->name);
+ M2MResource *res = NULL;
+
+ if (validate_string_length(static_res->name, 1, MAX_ALLOWED_STRING_LENGTH) == false) {
+ return res;
+ }
+ if(!resource(static_res->name)) {
+ res = new M2MResource(*this, static_res, type, M2MBase::instance_id());
+ if(res) {
+ //if (multiple_instance) { // TODO!
+ // res->set_coap_content_type(COAP_CONTENT_OMA_TLV_TYPE);
+ //}
+ res->add_observation_level(observation_level());
+ _resource_list.push_back(res);
+ }
+ }
+ return res;
+}
+
+M2MResource* M2MObjectInstance::create_dynamic_resource(const String &resource_name,
+ const String &resource_type,
+ M2MResourceInstance::ResourceType type,
+ bool observable,
+ bool multiple_instance,
+ bool external_blockwise_store)
+{
+ tr_debug("M2MObjectInstance::create_dynamic_resource(resource_name %s)",resource_name.c_str());
+ M2MResource *res = NULL;
+ if (validate_string_length(resource_name, 1, MAX_ALLOWED_STRING_LENGTH) == false) {
+ return res;
+ }
+ if(!resource(resource_name)) {
+ char *path = create_path(*this, resource_name.c_str());
+ if (path) {
+ res = new M2MResource(*this, resource_name, resource_type, type,
+ observable, path, M2MBase::instance_id(),
+ multiple_instance, external_blockwise_store);
+ if(res) {
+ if (multiple_instance) {
+ res->set_coap_content_type(COAP_CONTENT_OMA_TLV_TYPE);
+ }
+ res->add_observation_level(observation_level());
+ _resource_list.push_back(res);
+ }
+ }
+ }
+ return res;
+}
+
+M2MResourceInstance* M2MObjectInstance::create_static_resource_instance(const String &resource_name,
+ const String &resource_type,
+ M2MResourceInstance::ResourceType type,
+ const uint8_t *value,
+ const uint8_t value_length,
+ uint16_t instance_id,
+ bool external_blockwise_store)
+{
+ tr_debug("M2MObjectInstance::create_static_resource_instance(resource_name %s)",resource_name.c_str());
+ M2MResourceInstance *instance = NULL;
+ if (validate_string_length(resource_name, 1, MAX_ALLOWED_STRING_LENGTH) == false) {
+
+ return instance;
+ }
+ M2MResource *res = resource(resource_name);
+ if(!res) {
+ char *path = create_path(*this, resource_name.c_str());
+ if (path) {
+ res = new M2MResource(*this, resource_name, resource_type, type,
+ value, value_length, path, M2MBase::instance_id(),
+ true, external_blockwise_store);
+ _resource_list.push_back(res);
+ res->set_operation(M2MBase::GET_ALLOWED);
+ res->set_observable(false);
+ res->set_register_uri(false);
+ }
+ }
+ if(res && res->supports_multiple_instances()&& (res->resource_instance(instance_id) == NULL)) {
+ char *path = M2MBase::create_path(*res, instance_id);
+ if (path) {
+ instance = new M2MResourceInstance(*res, resource_name, resource_type, type,
+ value, value_length,
+ M2MBase::instance_id(),
+ path, external_blockwise_store);
+ if(instance) {
+ instance->set_operation(M2MBase::GET_ALLOWED);
+ instance->set_instance_id(instance_id);
+ res->add_resource_instance(instance);
+ }
+ }
+ }
+ return instance;
+}
+
+M2MResourceInstance* M2MObjectInstance::create_dynamic_resource_instance(const String &resource_name,
+ const String &resource_type,
+ M2MResourceInstance::ResourceType type,
+ bool observable,
+ uint16_t instance_id,
+ bool external_blockwise_store)
+{
+ tr_debug("M2MObjectInstance::create_dynamic_resource_instance(resource_name %s)",resource_name.c_str());
+ M2MResourceInstance *instance = NULL;
+ if (validate_string_length(resource_name, 1, MAX_ALLOWED_STRING_LENGTH) == false) {
+ return instance;
+ }
+ M2MResource *res = resource(resource_name);
+ if(!res) {
+ char *path = create_path(*this, resource_name.c_str());
+ if (path) {
+ res = new M2MResource(*this, resource_name, resource_type, type,
+ false, path, M2MBase::instance_id(), true);
+ _resource_list.push_back(res);
+ res->set_register_uri(false);
+ res->set_operation(M2MBase::GET_ALLOWED);
+ }
+ }
+ if (res && res->supports_multiple_instances() && (res->resource_instance(instance_id) == NULL)) {
+ char *path = create_path(*res, instance_id);
+ if (path) {
+ instance = new M2MResourceInstance(*res, resource_name, resource_type, type,
+ M2MBase::instance_id(),
+ path, external_blockwise_store);
+ if(instance) {
+ instance->set_operation(M2MBase::GET_ALLOWED);
+ instance->set_observable(observable);
+ instance->set_instance_id(instance_id);
+ res->add_resource_instance(instance);
+ }
+ }
+ }
+ return instance;
+}
+
+bool M2MObjectInstance::remove_resource(const String &resource_name)
+{
+ return remove_resource(resource_name.c_str());
+}
+
+bool M2MObjectInstance::remove_resource(const char *resource_name)
+{
+ tr_debug("M2MObjectInstance::remove_resource(resource_name %s)", resource_name);
+
+ bool success = false;
+ if(!_resource_list.empty()) {
+ M2MResource* res = NULL;
+ M2MResourceList::const_iterator it;
+ it = _resource_list.begin();
+ int pos = 0;
+ for ( ; it != _resource_list.end(); it++, pos++ ) {
+ if(strcmp((*it)->name(), resource_name) == 0) {
+ // Resource found and deleted.
+ res = *it;
+ delete res;
+ res = NULL;
+ _resource_list.erase(pos);
+ success = true;
+ break;
+ }
+ }
+ }
+ return success;
+}
+
+bool M2MObjectInstance::remove_resource_instance(const String &resource_name,
+ uint16_t inst_id)
+{
+ tr_debug("M2MObjectInstance::remove_resource_instance(resource_name %s inst_id %d)",
+ resource_name.c_str(), inst_id);
+ bool success = false;
+ M2MResource *res = resource(resource_name);
+ if(res) {
+ M2MResourceInstanceList list = res->resource_instances();
+ M2MResourceInstanceList::const_iterator it;
+ it = list.begin();
+ for ( ; it != list.end(); it++) {
+ if((*it)->instance_id() == inst_id) {
+ success = res->remove_resource_instance(inst_id);
+ if(res->resource_instance_count() == 0) {
+ M2MResourceList::const_iterator itr;
+ itr = _resource_list.begin();
+ int pos = 0;
+ for ( ; itr != _resource_list.end(); itr++, pos++ ) {
+ if(strcmp((*itr)->name(),resource_name.c_str()) == 0) {
+ delete res;
+ res = NULL;
+ _resource_list.erase(pos);
+ break;
+ }
+ }
+ }
+ break;
+ }
+ }
+ }
+ return success;
+}
+
+M2MResource* M2MObjectInstance::resource(const String &resource_name) const
+{
+ return resource(resource_name.c_str());
+}
+
+M2MResource* M2MObjectInstance::resource(const char *resource_name) const
+{
+ M2MResource *res = NULL;
+ if(!_resource_list.empty()) {
+ M2MResourceList::const_iterator it;
+ it = _resource_list.begin();
+ for (; it!=_resource_list.end(); it++ ) {
+ if(strcmp((*it)->name(), resource_name) == 0) {
+ res = *it;
+ break;
+ }
+ }
+ }
+ return res;
+}
+
+const M2MResourceList& M2MObjectInstance::resources() const
+{
+ return _resource_list;
+}
+
+uint16_t M2MObjectInstance::resource_count() const
+{
+ uint16_t count = 0;
+ if(!_resource_list.empty()) {
+ M2MResourceList::const_iterator it;
+ it = _resource_list.begin();
+ for ( ; it != _resource_list.end(); it++ ) {
+ if((*it)->supports_multiple_instances()) {
+ count += (*it)->resource_instance_count();
+ } else {
+ count++;
+ }
+ }
+ }
+ return count;
+}
+
+uint16_t M2MObjectInstance::resource_count(const String& resource) const
+{
+
+ return resource_count(resource.c_str());
+}
+
+uint16_t M2MObjectInstance::resource_count(const char *resource) const
+{
+ uint16_t count = 0;
+ if(!_resource_list.empty()) {
+ M2MResourceList::const_iterator it;
+ it = _resource_list.begin();
+ for ( ; it != _resource_list.end(); it++ ) {
+ if(strcmp((*it)->name(), resource) == 0) {
+ if((*it)->supports_multiple_instances()) {
+ count += (*it)->resource_instance_count();
+ } else {
+ count++;
+ }
+ }
+ }
+ }
+ return count;
+}
+
+M2MBase::BaseType M2MObjectInstance::base_type() const
+{
+ return M2MBase::base_type();
+}
+
+void M2MObjectInstance::add_observation_level(M2MBase::Observation observation_level)
+{
+ M2MBase::add_observation_level(observation_level);
+ if(!_resource_list.empty()) {
+ M2MResourceList::const_iterator it;
+ it = _resource_list.begin();
+ for ( ; it != _resource_list.end(); it++ ) {
+ (*it)->add_observation_level(observation_level);
+ }
+ }
+}
+
+void M2MObjectInstance::remove_observation_level(M2MBase::Observation observation_level)
+{
+ M2MBase::remove_observation_level(observation_level);
+ if(!_resource_list.empty()) {
+ M2MResourceList::const_iterator it;
+ it = _resource_list.begin();
+ for ( ; it != _resource_list.end(); it++ ) {
+ (*it)->remove_observation_level(observation_level);
+ }
+ }
+}
+
+sn_coap_hdr_s* M2MObjectInstance::handle_get_request(nsdl_s *nsdl,
+ sn_coap_hdr_s *received_coap_header,
+ M2MObservationHandler *observation_handler)
+{
+ tr_debug("M2MObjectInstance::handle_get_request()");
+ sn_coap_msg_code_e msg_code = COAP_MSG_CODE_RESPONSE_CONTENT;
+ sn_coap_hdr_s * coap_response = sn_nsdl_build_response(nsdl,
+ received_coap_header,
+ msg_code);
+ uint8_t * data = NULL;
+ uint32_t data_length = 0;
+ if(received_coap_header) {
+ // process the GET if we have registered a callback for it
+ if ((operation() & SN_GRS_GET_ALLOWED) != 0) {
+ if(coap_response) {
+ uint16_t coap_content_type = 0;
+ bool content_type_present = false;
+
+ if(received_coap_header->content_format != COAP_CT_NONE) {
+ content_type_present = true;
+ coap_content_type = received_coap_header->content_format;
+ }
+ if(!content_type_present &&
+ M2MBase::coap_content_type() == COAP_CONTENT_OMA_TLV_TYPE) {
+ coap_content_type = COAP_CONTENT_OMA_TLV_TYPE;
+ }
+
+ tr_debug("M2MObjectInstance::handle_get_request() - Request Content-Type %d", coap_content_type);
+ if (coap_response->content_format == COAP_CT_NONE) {
+ coap_response->content_format = sn_coap_content_format_e(coap_content_type);
+
+ if (coap_response->content_format != COAP_CT_NONE) {
+ set_coap_content_type(coap_content_type);
+ }
+ }
+ // fill in the CoAP response payload
+ if(COAP_CONTENT_OMA_TLV_TYPE == coap_content_type) {
+ M2MTLVSerializer serializer;
+ data = serializer.serialize(_resource_list, data_length);
+ } else {
+ msg_code = COAP_MSG_CODE_RESPONSE_UNSUPPORTED_CONTENT_FORMAT; // Content format not supported
+ }
+
+ coap_response->payload_len = data_length;
+ coap_response->payload_ptr = data;
+
+ if(data) {
+ coap_response->options_list_ptr = sn_nsdl_alloc_options_list(nsdl, coap_response);
+
+ coap_response->options_list_ptr->max_age = max_age();
+
+ if(received_coap_header->options_list_ptr) {
+ if(received_coap_header->options_list_ptr->observe != -1) {
+ if (is_observable()) {
+ uint32_t number = 0;
+ uint8_t observe_option = 0;
+ observe_option = received_coap_header->options_list_ptr->observe;
+ if(START_OBSERVATION == observe_option) {
+ tr_debug("M2MObjectInstance::handle_get_request - Starts Observation");
+ // If the observe length is 0 means register for observation.
+ if(received_coap_header->options_list_ptr->observe != -1) {
+ number = received_coap_header->options_list_ptr->observe;
+ }
+ if(received_coap_header->token_ptr) {
+ tr_debug("M2MObjectInstance::handle_get_request - Sets Observation Token to resource");
+ set_observation_token(received_coap_header->token_ptr,
+ received_coap_header->token_len);
+ }
+
+ // If the observe value is 0 means register for observation.
+ if(number == 0) {
+ tr_debug("M2MObjectInstance::handle_get_request - Put Resource under Observation");
+ set_under_observation(true,observation_handler);
+ add_observation_level(M2MBase::OI_Attribute);
+ coap_response->options_list_ptr->observe = observation_number();
+ }
+ } else if (STOP_OBSERVATION == observe_option) {
+ tr_debug("M2MObjectInstance::handle_get_request - Stops Observation");
+ set_under_observation(false,NULL);
+ remove_observation_level(M2MBase::OI_Attribute);
+
+ }
+ msg_code = COAP_MSG_CODE_RESPONSE_CONTENT;
+ }
+ else {
+ msg_code = COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED;
+ }
+ }
+ }
+ } else {
+ msg_code = COAP_MSG_CODE_RESPONSE_UNSUPPORTED_CONTENT_FORMAT; // Content format not supported
+ }
+ }
+ }else {
+ tr_error("M2MObjectInstance::handle_get_request - Return COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED");
+ // Operation is not allowed.
+ msg_code = COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED;
+ }
+ } else {
+ msg_code = COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED;
+ }
+ if(coap_response) {
+ coap_response->msg_code = msg_code;
+ }
+ return coap_response;
+}
+
+sn_coap_hdr_s* M2MObjectInstance::handle_put_request(nsdl_s *nsdl,
+ sn_coap_hdr_s *received_coap_header,
+ M2MObservationHandler *observation_handler,
+ bool &/*execute_value_updated*/)
+{
+ tr_debug("M2MObjectInstance::handle_put_request()");
+ sn_coap_msg_code_e msg_code = COAP_MSG_CODE_RESPONSE_CHANGED; // 2.04
+ sn_coap_hdr_s * coap_response = sn_nsdl_build_response(nsdl,
+ received_coap_header,
+ msg_code);;
+ if(received_coap_header) {
+ uint16_t coap_content_type = 0;
+ bool content_type_present = false;
+ if(received_coap_header->content_format != COAP_CT_NONE) {
+ content_type_present = true;
+ if(coap_response) {
+ coap_content_type = received_coap_header->content_format;
+ }
+ }
+ if(received_coap_header->options_list_ptr &&
+ received_coap_header->options_list_ptr->uri_query_ptr) {
+ char *query = (char*)alloc_string_copy(received_coap_header->options_list_ptr->uri_query_ptr,
+ received_coap_header->options_list_ptr->uri_query_len);
+ if (query){
+ tr_debug("M2MObjectInstance::handle_put_request() - Query %s", query);
+ // if anything was updated, re-initialize the stored notification attributes
+ if (!handle_observation_attribute(query)){
+ tr_debug("M2MObjectInstance::handle_put_request() - Invalid query");
+ msg_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST; // 4.00
+ } else {
+ msg_code =COAP_MSG_CODE_RESPONSE_CHANGED;
+ }
+ free(query);
+ }
+ } else if ((operation() & SN_GRS_PUT_ALLOWED) != 0) {
+ if(!content_type_present &&
+ M2MBase::coap_content_type() == COAP_CONTENT_OMA_TLV_TYPE) {
+ coap_content_type = COAP_CONTENT_OMA_TLV_TYPE;
+ }
+
+ tr_debug("M2MObjectInstance::handle_put_request() - Request Content-Type %d", coap_content_type);
+
+ if(COAP_CONTENT_OMA_TLV_TYPE == coap_content_type) {
+ M2MTLVDeserializer::Error error = M2MTLVDeserializer::None;
+ M2MTLVDeserializer deserializer;
+ if(received_coap_header->payload_ptr) {
+ error = deserializer.deserialize_resources(received_coap_header->payload_ptr,
+ received_coap_header->payload_len,
+ *this,
+ M2MTLVDeserializer::Put);
+ switch(error) {
+ case M2MTLVDeserializer::None:
+ if(observation_handler) {
+ observation_handler->value_updated(this);
+ }
+ msg_code = COAP_MSG_CODE_RESPONSE_CHANGED;
+ break;
+ case M2MTLVDeserializer::NotFound:
+ msg_code = COAP_MSG_CODE_RESPONSE_NOT_FOUND;
+ break;
+ case M2MTLVDeserializer::NotAllowed:
+ msg_code = COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED;
+ break;
+ case M2MTLVDeserializer::NotValid:
+ msg_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST;
+ break;
+ }
+ }
+ } else {
+ msg_code =COAP_MSG_CODE_RESPONSE_UNSUPPORTED_CONTENT_FORMAT;
+ } // if(COAP_CONTENT_OMA_TLV_TYPE == coap_content_type)
+ } else {
+ // Operation is not allowed.
+ tr_error("M2MObjectInstance::handle_put_request() - COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED");
+ msg_code = COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED;
+ }
+ } else {
+ msg_code = COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED;
+ }
+ if(coap_response) {
+ coap_response->msg_code = msg_code;
+ }
+ return coap_response;
+}
+
+
+
+
+sn_coap_hdr_s* M2MObjectInstance::handle_post_request(nsdl_s *nsdl,
+ sn_coap_hdr_s *received_coap_header,
+ M2MObservationHandler *observation_handler,
+ bool &execute_value_updated,
+ sn_nsdl_addr_s *)
+{
+ tr_debug("M2MObjectInstance::handle_post_request()");
+ sn_coap_msg_code_e msg_code = COAP_MSG_CODE_RESPONSE_CHANGED; // 2.04
+ sn_coap_hdr_s * coap_response = sn_nsdl_build_response(nsdl,
+ received_coap_header,
+ msg_code);
+ if(received_coap_header) {
+ if ((operation() & SN_GRS_POST_ALLOWED) != 0) {
+ uint16_t coap_content_type = 0;
+ bool content_type_present = false;
+ if(received_coap_header->content_format != COAP_CT_NONE) {
+ content_type_present = true;
+ if(coap_response) {
+ coap_content_type = received_coap_header->content_format;
+ }
+ }
+ if(!content_type_present &&
+ M2MBase::coap_content_type() == COAP_CONTENT_OMA_TLV_TYPE) {
+ coap_content_type = COAP_CONTENT_OMA_TLV_TYPE;
+ }
+
+ tr_debug("M2MObjectInstance::handle_post_request() - Request Content-Type %d", coap_content_type);
+
+ if(COAP_CONTENT_OMA_TLV_TYPE == coap_content_type) {
+ M2MTLVDeserializer deserializer;
+ M2MTLVDeserializer::Error error = M2MTLVDeserializer::None;
+ error = deserializer.deserialize_resources(received_coap_header->payload_ptr,
+ received_coap_header->payload_len,
+ *this,
+ M2MTLVDeserializer::Post);
+
+ uint16_t instance_id = deserializer.instance_id(received_coap_header->payload_ptr);
+ switch(error) {
+ case M2MTLVDeserializer::None:
+ if(observation_handler) {
+ execute_value_updated = true;
+ }
+ coap_response->options_list_ptr = sn_nsdl_alloc_options_list(nsdl, coap_response);
+
+ if (coap_response->options_list_ptr) {
+
+ StringBuffer<MAX_PATH_SIZE_3> obj_name;
+ if(!build_path(obj_name, M2MBase::name(), M2MBase::instance_id(), instance_id))
+ {
+ msg_code = COAP_MSG_CODE_RESPONSE_INTERNAL_SERVER_ERROR;
+ break;
+ }
+
+ coap_response->options_list_ptr->location_path_len = obj_name.get_size();
+ coap_response->options_list_ptr->location_path_ptr =
+ alloc_string_copy((uint8_t*)obj_name.c_str(),
+ coap_response->options_list_ptr->location_path_len);
+ // todo: handle allocation error
+ }
+ msg_code = COAP_MSG_CODE_RESPONSE_CREATED;
+ break;
+ case M2MTLVDeserializer::NotAllowed:
+ msg_code = COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED;
+ break;
+ case M2MTLVDeserializer::NotValid:
+ msg_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST;
+ break;
+ default:
+ break;
+ }
+ } else {
+ msg_code =COAP_MSG_CODE_RESPONSE_UNSUPPORTED_CONTENT_FORMAT;
+ } // if(COAP_CONTENT_OMA_TLV_TYPE == coap_content_type)
+ } else {
+ // Operation is not allowed.
+ tr_error("M2MObjectInstance::handle_post_request() - COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED");
+ msg_code = COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED;
+ }
+ } else {
+ msg_code = COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED;
+ }
+ if(coap_response) {
+ coap_response->msg_code = msg_code;
+ }
+ return coap_response;
+}
+
+void M2MObjectInstance::notification_update(M2MBase::Observation observation_level)
+{
+ tr_debug("M2MObjectInstance::notification_update() - level(%d)", observation_level);
+ if((M2MBase::O_Attribute & observation_level) == M2MBase::O_Attribute) {
+ tr_debug("M2MObjectInstance::notification_update() - object callback");
+ _parent.notification_update(instance_id());
+ }
+ if((M2MBase::OI_Attribute & observation_level) == M2MBase::OI_Attribute) {
+ tr_debug("M2MObjectInstance::notification_update() - object instance callback");
+ M2MReportHandler *report_handler = M2MBase::report_handler();
+ if(report_handler && is_under_observation()) {
+ report_handler->set_notification_trigger();
+ }
+
+ }
+}