Austin Blackstone
mbed client lightswitch demo
Dependencies: mbed Socket lwip-eth lwip-sys lwip
Fork of
mbed-client-classic-example-lwip
by 
Austin Blackstone
Diff: mbed-client/source/m2mnsdlinterface.cpp
- Revision:
- 11:cada08fc8a70
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-client/source/m2mnsdlinterface.cpp Thu Jun 09 17:08:36 2016 +0000
@@ -0,0 +1,1388 @@
+/*
+ * 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 "include/nsdlaccesshelper.h"
+#include "include/m2mnsdlobserver.h"
+#include "mbed-client/m2msecurity.h"
+#include "mbed-client/m2mserver.h"
+#include "mbed-client/m2mobject.h"
+#include "mbed-client/m2mobjectinstance.h"
+#include "mbed-client/m2mresource.h"
+#include "mbed-client/m2mconstants.h"
+#include "include/m2mtlvserializer.h"
+#include "ip6string.h"
+#include "ns_trace.h"
+#include "mbed-client/m2mtimer.h"
+
+M2MNsdlInterface::M2MNsdlInterface(M2MNsdlObserver &observer)
+: _observer(observer),
+ _server(NULL),
+ _nsdl_exceution_timer(new M2MTimer(*this)),
+ _registration_timer(new M2MTimer(*this)),
+ _nsdl_handle(NULL),
+ _counter_for_nsdl(0),
+ _register_id(0),
+ _unregister_id(0),
+ _update_id(0),
+ _bootstrap_id(0)
+{
+ tr_debug("M2MNsdlInterface::M2MNsdlInterface()");
+ _endpoint = NULL;
+ _resource = NULL;
+ __nsdl_interface = this;
+
+ _bootstrap_endpoint.device_object = NULL;
+ _bootstrap_endpoint.oma_bs_status_cb = NULL;
+
+ _bootstrap_device_setup.sn_oma_device_boot_callback = NULL;
+ _bootstrap_device_setup.error_code = NO_ERROR;
+
+ _sn_nsdl_address.addr_len = 0;
+ _sn_nsdl_address.addr_ptr = NULL;
+ _sn_nsdl_address.port = 0;
+
+ // This initializes libCoap and libNsdl
+ // Parameters are function pointers to used memory allocation
+ // and free functions in structure and used functions for sending
+ // and receiving purposes.
+ _nsdl_handle = sn_nsdl_init(&(__nsdl_c_send_to_server), &(__nsdl_c_received_from_server),
+ &(__nsdl_c_memory_alloc), &(__nsdl_c_memory_free));
+
+ initialize();
+}
+
+M2MNsdlInterface::~M2MNsdlInterface()
+{
+ tr_debug("M2MNsdlInterface::~M2MNsdlInterface() - IN");
+ if(_resource) {
+ if(_resource->resource_parameters_ptr) {
+ memory_free(_resource->resource_parameters_ptr);
+ _resource->resource_parameters_ptr = NULL;
+ }
+ memory_free(_resource);
+ _resource = NULL;
+ }
+ if(_endpoint) {
+ if(_endpoint->lifetime_ptr) {
+ memory_free(_endpoint->lifetime_ptr);
+ _endpoint->lifetime_ptr = NULL;
+ }
+ if(_endpoint->location_ptr) {
+ memory_free(_endpoint->location_ptr);
+ _endpoint->location_ptr = NULL;
+ }
+ memory_free(_endpoint);
+ _endpoint = NULL;
+
+ }
+ delete _nsdl_exceution_timer;
+ delete _registration_timer;
+ _object_list.clear();
+
+ if(_server){
+ delete _server;
+ _server = NULL;
+ }
+ sn_nsdl_destroy(_nsdl_handle);
+ _nsdl_handle = NULL;
+ __nsdl_interface = NULL;
+ tr_debug("M2MNsdlInterface::~M2MNsdlInterface() - OUT");
+}
+
+bool M2MNsdlInterface::initialize()
+{
+ tr_debug("M2MNsdlInterface::initialize()");
+ bool success = false;
+
+ //Sets the packet retransmission attempts and time interval
+ sn_coap_protocol_set_retransmission_parameters(RETRY_COUNT,RETRY_INTERVAL);
+
+ _nsdl_exceution_timer->start_timer(ONE_SECOND_TIMER * 1000,
+ M2MTimerObserver::NsdlExecution,
+ false);
+
+ // Allocate the memory for resources
+ _resource = (sn_nsdl_resource_info_s*)memory_alloc(sizeof(sn_nsdl_resource_info_s));
+ if(_resource) {
+ memset(_resource, 0, sizeof(sn_nsdl_resource_info_s));
+ _resource->resource_parameters_ptr = (sn_nsdl_resource_parameters_s*)memory_alloc(sizeof(sn_nsdl_resource_parameters_s)+1);
+ if(_resource->resource_parameters_ptr) {
+ memset(_resource->resource_parameters_ptr, 0, sizeof(sn_nsdl_resource_parameters_s)+1);
+ }
+ }
+
+ //Allocate the memory for endpoint
+ _endpoint = (sn_nsdl_ep_parameters_s*)memory_alloc(sizeof(sn_nsdl_ep_parameters_s)+1);
+ if(_endpoint) {
+ memset(_endpoint, 0, sizeof(sn_nsdl_ep_parameters_s)+1);
+ success = true;
+ }
+ return success;
+}
+
+void M2MNsdlInterface::create_endpoint(const String &name,
+ const String &type,
+ const int32_t life_time,
+ const String &domain,
+ const uint8_t mode,
+ const String &/*context_address*/)
+{
+ tr_debug("M2MNsdlInterface::create_endpoint( name %s type %s lifetime %d, domain %s, mode %d)",
+ name.c_str(), type.c_str(), life_time, domain.c_str(), mode);
+ if(_endpoint){
+ memset(_endpoint, 0, sizeof(sn_nsdl_ep_parameters_s)+1);
+ if(!name.empty()) {
+ _endpoint->endpoint_name_ptr = (uint8_t*)name.c_str();
+ _endpoint->endpoint_name_len = name.length();
+ }
+ if(!type.empty()) {
+ _endpoint->type_ptr = (uint8_t*)type.c_str();
+ _endpoint->type_len = type.length();
+ }
+ if(!domain.empty()) {
+ _endpoint->domain_name_ptr = (uint8_t*)domain.c_str();
+ _endpoint->domain_name_len = domain.length();
+ }
+ _endpoint->binding_and_mode = (sn_nsdl_oma_binding_and_mode_t)mode;
+
+ // If lifetime is less than zero then leave the field empty
+ if( life_time > 0) {
+ char *buffer = (char*)memory_alloc(20);
+ int size = snprintf(buffer, 20,"%ld",(long int)life_time);
+ if( _endpoint->lifetime_ptr == NULL ){
+ _endpoint->lifetime_ptr = (uint8_t*)memory_alloc(size+1);
+ }
+ if(_endpoint->lifetime_ptr) {
+ memset(_endpoint->lifetime_ptr, 0, size+1);
+ memcpy(_endpoint->lifetime_ptr,buffer,size);
+ _endpoint->lifetime_len = size;
+ }
+ memory_free(buffer);
+ }
+ }
+}
+
+void M2MNsdlInterface::delete_endpoint()
+{
+ tr_debug("M2MNsdlInterface::delete_endpoint()");
+ if(_endpoint) {
+ if(_endpoint->lifetime_ptr) {
+ free(_endpoint->lifetime_ptr);
+ _endpoint->lifetime_ptr = NULL;
+ }
+ memory_free(_endpoint);
+ _endpoint = NULL;
+ }
+}
+
+bool M2MNsdlInterface::create_nsdl_list_structure(const M2MObjectList &object_list)
+{
+ tr_debug("M2MNsdlInterface::create_nsdl_list_structure()");
+ bool success = false;
+ if(!object_list.empty()) {
+ tr_debug("M2MNsdlInterface::create_nsdl_list_structure - Object count is %d", object_list.size());
+ M2MObjectList::const_iterator it;
+ it = object_list.begin();
+ for ( ; it != object_list.end(); it++ ) {
+ // Create NSDL structure for all Objects inside
+ success = create_nsdl_object_structure(*it);
+ add_object_to_list(*it);
+ }
+ }
+ return success;
+}
+
+bool M2MNsdlInterface::delete_nsdl_resource(const String &resource_name)
+{
+ tr_debug("M2MNsdlInterface::delete_nsdl_resource( %s)", resource_name.c_str());
+ return (sn_nsdl_delete_resource(_nsdl_handle,
+ resource_name.length(),
+ (uint8_t *)resource_name.c_str()) == 0) ? true : false;
+}
+
+bool M2MNsdlInterface::create_bootstrap_resource(sn_nsdl_addr_s *address)
+{
+ tr_debug("M2MNsdlInterface::create_bootstrap_resource()");
+ bool success = false;
+ _bootstrap_device_setup.error_code = NO_ERROR;
+ _bootstrap_device_setup.sn_oma_device_boot_callback = 0;
+
+ _bootstrap_endpoint.device_object = &_bootstrap_device_setup;
+ _bootstrap_endpoint.oma_bs_status_cb = &__nsdl_c_bootstrap_done;
+
+ if(_bootstrap_id == 0) {
+ _bootstrap_id = sn_nsdl_oma_bootstrap(_nsdl_handle,
+ address,
+ _endpoint,
+ &_bootstrap_endpoint);
+ tr_debug("M2MNsdlInterface::create_bootstrap_resource - _bootstrap_id %d", _bootstrap_id);
+ success = _bootstrap_id != 0;
+
+ }
+ return success;
+}
+
+bool M2MNsdlInterface::send_register_message(uint8_t* address,
+ const uint16_t port,
+ sn_nsdl_addr_type_e address_type)
+{
+ tr_debug("M2MNsdlInterface::send_register_message()");
+ bool success = false;
+ if(set_NSP_address(_nsdl_handle,address, port, address_type) == 0) {
+ if(_register_id == 0) {
+ _register_id = sn_nsdl_register_endpoint(_nsdl_handle,_endpoint);
+ tr_debug("M2MNsdlInterface::send_register_message - _register_id %d", _register_id);
+ success = _register_id != 0;
+ }
+ }
+ return success;
+}
+
+bool M2MNsdlInterface::send_update_registration(const uint32_t lifetime)
+{
+ tr_debug("M2MNsdlInterface::send_update_registration( lifetime %d)", lifetime);
+ bool success = false;
+
+ create_nsdl_list_structure(_object_list);
+ //If Lifetime value is 0, then don't change the existing lifetime value
+ if(lifetime != 0) {
+ char *buffer = (char*)memory_alloc(20);
+ int size = snprintf(buffer, 20,"%ld",(long int)lifetime);
+ if(_endpoint->lifetime_ptr) {
+ memory_free(_endpoint->lifetime_ptr);
+ _endpoint->lifetime_ptr = NULL;
+ _endpoint->lifetime_len = 0;
+ }
+
+ if(_endpoint->lifetime_ptr == NULL){
+ _endpoint->lifetime_ptr = (uint8_t*)memory_alloc(size+1);
+ }
+ if(_endpoint->lifetime_ptr) {
+ memset(_endpoint->lifetime_ptr, 0, size+1);
+ memcpy(_endpoint->lifetime_ptr,buffer,size);
+ _endpoint->lifetime_len = size;
+ }
+ memory_free(buffer);
+
+ _registration_timer->stop_timer();
+ _registration_timer->start_timer(registration_time() * 1000,
+ M2MTimerObserver::Registration,
+ false);
+ if(_nsdl_handle &&
+ _endpoint && _endpoint->lifetime_ptr) {
+ _update_id = sn_nsdl_update_registration(_nsdl_handle,
+ _endpoint->lifetime_ptr,
+ _endpoint->lifetime_len);
+ tr_debug("M2MNsdlInterface::send_update_registration - New lifetime value _update_id %d", _update_id);
+ success = _update_id != 0;
+ }
+ } else {
+ if(_nsdl_handle) {
+ _update_id = sn_nsdl_update_registration(_nsdl_handle, NULL, 0);
+ tr_debug("M2MNsdlInterface::send_update_registration - regular update- _update_id %d", _update_id);
+ success = _update_id != 0;
+ }
+ }
+ return success;
+}
+
+bool M2MNsdlInterface::send_unregister_message()
+{
+ tr_debug("M2MNsdlInterface::send_unregister_message");
+ bool success = false;
+ //Does not clean resources automatically
+ if(_unregister_id == 0) {
+ _unregister_id = sn_nsdl_unregister_endpoint(_nsdl_handle);
+ tr_debug("M2MNsdlInterface::send_unregister_message - _unregister_id %d", _unregister_id);
+ success = _unregister_id != 0;
+ }
+ return success;
+}
+
+void *M2MNsdlInterface::memory_alloc(uint16_t size)
+{
+ if(size)
+ return malloc(size);
+ else
+ return 0;
+}
+
+void M2MNsdlInterface::memory_free(void *ptr)
+{
+ if(ptr)
+ free(ptr);
+}
+
+uint8_t M2MNsdlInterface::send_to_server_callback(struct nsdl_s * /*nsdl_handle*/,
+ sn_nsdl_capab_e /*protocol*/,
+ uint8_t *data_ptr,
+ uint16_t data_len,
+ sn_nsdl_addr_s *address)
+{
+ tr_debug("M2MNsdlInterface::send_to_server_callback()");
+ _observer.coap_message_ready(data_ptr,data_len,address);
+ return 1;
+}
+
+uint8_t M2MNsdlInterface::received_from_server_callback(struct nsdl_s * /*nsdl_handle*/,
+ sn_coap_hdr_s *coap_header,
+ sn_nsdl_addr_s *address)
+{
+ tr_debug("M2MNsdlInterface::received_from_server_callback()");
+ _observer.coap_data_processed();
+ uint8_t value = 0;
+ if(coap_header) {
+ if(coap_header->msg_id == _register_id) {
+ _register_id = 0;
+ if(coap_header->msg_code == COAP_MSG_CODE_RESPONSE_CREATED) {
+ if(_server) {
+ delete _server;
+ _server = NULL;
+ }
+ tr_debug("M2MNsdlInterface::received_from_server_callback - registration callback");
+ _server = new M2MServer();
+ _server->set_resource_value(M2MServer::ShortServerID,1);
+
+ _observer.client_registered(_server);
+ // If lifetime is less than zero then leave the field empty
+ if(coap_header->options_list_ptr) {
+ if(coap_header->options_list_ptr->max_age_ptr) {
+ if(_endpoint->lifetime_ptr) {
+ memory_free(_endpoint->lifetime_ptr);
+ _endpoint->lifetime_ptr = NULL;
+ _endpoint->lifetime_len = 0;
+ }
+ uint32_t max_time = 0;
+ for(int i=0;i < coap_header->options_list_ptr->max_age_len; i++) {
+ max_time += (*(coap_header->options_list_ptr->max_age_ptr + i) & 0xff) <<
+ 8*(coap_header->options_list_ptr->max_age_len- 1 - i);
+ }
+ // If lifetime is less than zero then leave the field empty
+ if( max_time > 0) {
+ char *buffer = (char*)memory_alloc(20);
+ if(buffer) {
+ int size = snprintf(buffer, 20,"%ld",(long int)max_time);
+ _endpoint->lifetime_ptr = (uint8_t*)memory_alloc(size+1);
+
+ if(_endpoint->lifetime_ptr) {
+ memset(_endpoint->lifetime_ptr, 0, size+1);
+ memcpy(_endpoint->lifetime_ptr,buffer,size);
+ _endpoint->lifetime_len = size;
+ }
+ memory_free(buffer);
+ }
+ }
+ }
+ if(coap_header->options_list_ptr->location_path_ptr) {
+ _endpoint->location_ptr = (uint8_t*)memory_alloc(coap_header->options_list_ptr->location_path_len+1);
+ memset(_endpoint->location_ptr,0,coap_header->options_list_ptr->location_path_len+1);
+ memcpy(_endpoint->location_ptr,
+ coap_header->options_list_ptr->location_path_ptr,
+ coap_header->options_list_ptr->location_path_len);
+ _endpoint->location_len = coap_header->options_list_ptr->location_path_len ;
+ sn_nsdl_set_endpoint_location(_nsdl_handle,_endpoint->location_ptr,_endpoint->location_len);
+ }
+ }
+ if(_endpoint->lifetime_ptr) {
+ _registration_timer->stop_timer();
+ _registration_timer->start_timer(registration_time() * 1000,
+ M2MTimerObserver::Registration,
+ false);
+ }
+ } else {
+ if(_server) {
+ delete _server;
+ _server = NULL;
+ }
+ tr_error("M2MNsdlInterface::received_from_server_callback - registration error %d", coap_header->msg_code);
+ M2MInterface::Error error = interface_error(coap_header);
+ _observer.registration_error(error);
+ }
+ } else if(coap_header->msg_id == _unregister_id) {
+ _unregister_id = 0;
+ if(coap_header->msg_code == COAP_MSG_CODE_RESPONSE_DELETED) {
+ _registration_timer->stop_timer();
+ if(_server) {
+ delete _server;
+ _server = NULL;
+ }
+ tr_debug("M2MNsdlInterface::received_from_server_callback - unregistration callback");
+ _observer.client_unregistered();
+ } else {
+ tr_error("M2MNsdlInterface::received_from_server_callback - unregistration error %d", coap_header->msg_code);
+ M2MInterface::Error error = interface_error(coap_header);
+ _observer.registration_error(error);
+ }
+ } else if(coap_header->msg_id == _update_id) {
+ _update_id = 0;
+
+ if(coap_header->msg_code == COAP_MSG_CODE_RESPONSE_CHANGED) {
+ tr_debug("M2MNsdlInterface::received_from_server_callback - registration_updated successfully");
+ _observer.registration_updated(*_server);
+ } else {
+ tr_error("M2MNsdlInterface::received_from_server_callback - registration_updated failed %d", coap_header->msg_code);
+ M2MInterface::Error error = interface_error(coap_header);
+ // In case, the error for update registration is not allowed implies the client is no longer registered in
+ // server hence the error returns should be NotRegistered.
+ if(M2MInterface::NotAllowed == error) {
+ error = M2MInterface::NotRegistered;
+ }
+ _observer.registration_error(error);
+ }
+ }else if(coap_header->msg_id == _bootstrap_id) {
+ _bootstrap_id = 0;
+ M2MInterface::Error error = interface_error(coap_header);
+ if(error != M2MInterface::ErrorNone) {
+ _observer.bootstrap_error();
+ }
+ } else {
+ if(COAP_MSG_CODE_REQUEST_POST == coap_header->msg_code) {
+ if(coap_header->uri_path_ptr) {
+ String resource_name = coap_to_string(coap_header->uri_path_ptr,
+ coap_header->uri_path_len);
+
+ sn_coap_hdr_s *coap_response = NULL;
+ String object_name;
+ int slash_found = resource_name.find_last_of('/');
+ //The POST operation here is only allowed for non-existing object instances
+ if(slash_found != -1) {
+ object_name = resource_name.substr(0,slash_found);
+ if( object_name.find_last_of('/') != -1){
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ COAP_MSG_CODE_RESPONSE_NOT_FOUND);
+ } else {
+ int32_t instance_id = atoi(resource_name.substr(slash_found+1,
+ resource_name.size()-object_name.size()).c_str());
+ M2MBase* base = find_resource(object_name);
+ if(base && (instance_id >= 0) && (instance_id < 65535)) {
+ if(coap_header->payload_ptr) {
+ M2MObject* object = (M2MObject*)base;
+ M2MObjectInstance *obj_instance = object->create_object_instance(instance_id);
+ if(obj_instance) {
+ obj_instance->set_operation(M2MBase::GET_PUT_POST_ALLOWED);
+ coap_response = obj_instance->handle_post_request(_nsdl_handle,coap_header,this);
+ }
+ if(coap_response && coap_response->msg_code != COAP_MSG_CODE_RESPONSE_CREATED) {
+ //Invalid request so remove created ObjectInstance
+ object->remove_object_instance(instance_id);
+ }
+ } else {
+ tr_debug("M2MNsdlInterface::received_from_server_callback - Missing Payload - Cannot create");
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ COAP_MSG_CODE_RESPONSE_BAD_REQUEST);
+ }
+ } else { //if(base)
+ tr_debug("M2MNsdlInterface::received_from_server_callback - Missing BASE - Cannot create");
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED);
+ }
+ }
+ } else{ // if(slash_found != -1)
+ tr_debug("M2MNsdlInterface::received_from_server_callback - slash_found - Cannot create");
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ COAP_MSG_CODE_RESPONSE_NOT_FOUND);
+ }
+ if(coap_response) {
+ tr_debug("M2MNsdlInterface::received_from_server_callback - send CoAP response");
+ (sn_nsdl_send_coap_message(_nsdl_handle, address, coap_response) == 0) ? value = 0 : value = 1;
+ sn_nsdl_release_allocated_coap_msg_mem(_nsdl_handle, coap_response);
+ }
+ }
+ }
+ }
+ }
+ return value;
+}
+
+uint8_t M2MNsdlInterface::resource_callback(struct nsdl_s */*nsdl_handle*/,
+ sn_coap_hdr_s *received_coap_header,
+ sn_nsdl_addr_s *address,
+ sn_nsdl_capab_e /*nsdl_capab*/)
+{
+ tr_debug("M2MNsdlInterface::resource_callback()");
+ _observer.coap_data_processed();
+ uint8_t result = 1;
+ sn_coap_hdr_s *coap_response = NULL;
+ sn_coap_msg_code_e msg_code = COAP_MSG_CODE_RESPONSE_CHANGED; // 4.00
+ String resource_name = coap_to_string(received_coap_header->uri_path_ptr,
+ received_coap_header->uri_path_len);
+ tr_debug("M2MNsdlInterface::resource_callback() - resource_name %s", resource_name.c_str());
+ M2MBase* base = find_resource(resource_name);
+
+ if(base) {
+ if(COAP_MSG_CODE_REQUEST_GET == received_coap_header->msg_code) {
+ coap_response = base->handle_get_request(_nsdl_handle, received_coap_header,this);
+ } else if(COAP_MSG_CODE_REQUEST_PUT == received_coap_header->msg_code) {
+ coap_response = base->handle_put_request(_nsdl_handle, received_coap_header,this);
+ } else if(COAP_MSG_CODE_REQUEST_POST == received_coap_header->msg_code) {
+ if(base->base_type() == M2MBase::ResourceInstance) {
+ msg_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST;
+ } else {
+ coap_response = base->handle_post_request(_nsdl_handle, received_coap_header,this);
+ }
+ } else if(COAP_MSG_CODE_REQUEST_DELETE == received_coap_header->msg_code) {
+ // Delete the object instance
+ tr_debug("M2MNsdlInterface::resource_callback() - DELETE the object instance");
+ M2MBase::BaseType type = base->base_type();
+ if(M2MBase::ObjectInstance == type) {
+ M2MBase* base_object = find_resource(base->name());
+ if(base_object) {
+ M2MObject *object = (M2MObject*)base_object;
+ int slash_found = resource_name.find_last_of('/');
+ // Object instance validty checks done in upper level, no need for error handling
+ if(slash_found != -1) {
+ String object_name;
+ object_name = resource_name.substr(slash_found + 1, resource_name.length());
+ if (object->remove_object_instance(strtoul(
+ object_name.c_str(), NULL, 10))) {
+ msg_code = COAP_MSG_CODE_RESPONSE_DELETED;
+ }
+ }
+ }
+ } else {
+ msg_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST; // 4.00
+ }
+ }
+ } else {
+ tr_debug("M2MNsdlInterface::resource_callback() - Resource NOT FOUND");
+ msg_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST; // 4.00
+ }
+ if(!coap_response) {
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ received_coap_header,
+ msg_code);
+ }
+ if(coap_response) {
+ tr_debug("M2MNsdlInterface::resource_callback() - send CoAP response");
+ (sn_nsdl_send_coap_message(_nsdl_handle, address, coap_response) == 0) ? result = 0 : result = 1;
+ if(coap_response->payload_ptr) {
+ free(coap_response->payload_ptr);
+ coap_response->payload_ptr = NULL;
+ }
+ sn_nsdl_release_allocated_coap_msg_mem(_nsdl_handle, coap_response);
+ }
+ return result;
+}
+
+void M2MNsdlInterface::bootstrap_done_callback(sn_nsdl_oma_server_info_t *server_info)
+{
+ tr_debug("M2MNsdlInterface::bootstrap_done_callback()");
+ _bootstrap_id = 0;
+ M2MSecurity* security = NULL;
+ if(server_info && server_info->omalw_address_ptr->addr_ptr) {
+ security = new M2MSecurity(M2MSecurity::M2MServer);
+ uint16_t port = server_info->omalw_address_ptr->port;
+ char *buffer = (char*)memory_alloc(20);
+ snprintf(buffer, 20,"%d",port);
+ String server_uri(COAP);
+ String server_address;
+ //TODO: currently only supports IPV4 Mapping, fix to support IPV6 as well
+ if(SN_NSDL_ADDRESS_TYPE_IPV4 == server_info->omalw_address_ptr->type) {
+ int val = 0;
+ for(int index = 0; index < server_info->omalw_address_ptr->addr_len; index++) {
+ char *server_buffer = (char*)memory_alloc(20);
+ val = (int)server_info->omalw_address_ptr->addr_ptr[index];
+ snprintf(server_buffer, 20,"%d",val);
+ server_address +=String(server_buffer);
+
+ memory_free(server_buffer);
+
+ if(index < server_info->omalw_address_ptr->addr_len-1) {
+ server_address += String(".");
+ }
+ }
+
+ tr_debug("M2MNsdlInterface::bootstrap_done_callback - IPv4 Server address received %s", server_address.c_str());
+ } else if(SN_NSDL_ADDRESS_TYPE_HOSTNAME == server_info->omalw_address_ptr->type) {
+ char *hostname = (char*)memory_alloc(server_info->omalw_address_ptr->addr_len);
+ if(hostname) {
+ memset(hostname, 0, server_info->omalw_address_ptr->addr_len);
+ memcpy(hostname,
+ server_info->omalw_address_ptr->addr_ptr,
+ server_info->omalw_address_ptr->addr_len);
+ server_address += String(hostname);
+ memory_free(hostname);
+ hostname = NULL;
+ tr_debug("M2MNsdlInterface::bootstrap_done_callback - Hostname Server address received %s", server_address.c_str());
+ }
+ } else if(SN_NSDL_ADDRESS_TYPE_IPV6 == server_info->omalw_address_ptr->type) {
+ char ipv6_address[40];
+ ip6tos(server_info->omalw_address_ptr->addr_ptr, ipv6_address);
+ server_address += String(ipv6_address);
+ tr_debug("M2MNsdlInterface::bootstrap_done_callback - IPv6 Server address received %s", server_address.c_str());
+ }
+
+ server_uri += server_address;
+ server_uri +=String(":");
+ server_uri += String(buffer);
+
+ memory_free(buffer);
+ security->set_resource_value(M2MSecurity::M2MServerUri, server_uri);
+ security->set_resource_value(M2MSecurity::BootstrapServer, 0);
+
+ M2MSecurity::SecurityModeType security_mode = M2MSecurity::SecurityNotSet;
+
+ switch(server_info->omalw_server_security) {
+ case SEC_NOT_SET:
+ security_mode = M2MSecurity::SecurityNotSet;
+ break;
+ case PSK:
+ //Not supported at the moment
+ break;
+ case RPK:
+ //Not supported at the moment
+ break;
+ case CERTIFICATE:
+ security_mode = M2MSecurity::Certificate;
+ break;
+ case NO_SEC:
+ security_mode = M2MSecurity::NoSecurity;
+ break;
+ }
+ security->set_resource_value(M2MSecurity::SecurityMode,security_mode);
+
+ //TODO: This is mandatory parameter for LWM2M server,
+ // why is it missing from nsdl-c API ?
+ security->set_resource_value(M2MSecurity::ShortServerID,1);
+
+ // Check certiticates only if the mode is Certificate
+ // else it is in NoSecurity Mode, Psk and Rsk are not supported.
+ if(M2MSecurity::Certificate == security_mode) {
+ omalw_certificate_list_t *certificates = sn_nsdl_get_certificates(_nsdl_handle);
+ if(certificates) {
+ security->set_resource_value(M2MSecurity::ServerPublicKey,certificates->certificate_ptr[0],certificates->certificate_len[0]);
+ security->set_resource_value(M2MSecurity::PublicKey,certificates->certificate_ptr[1],certificates->certificate_len[1]);
+ security->set_resource_value(M2MSecurity::Secretkey,certificates->own_private_key_ptr,certificates->own_private_key_len);
+ } else {
+ // Mode is certificate but certificates are missing so its bootstrap error.
+ delete security;
+ security = NULL;
+ }
+ }
+ }
+ if(security) {
+ tr_debug("M2MNsdlInterface::bootstrap_done_callback - bootstrap_done");
+ // Inform that bootstrap is done and LWM2M server object is available.
+ _observer.bootstrap_done(security);
+ } else {
+ tr_error("M2MNsdlInterface::bootstrap_done_callback - bootstrap_error");
+ // Bootstrap error inform to the application.
+ _observer.bootstrap_error();
+ }
+}
+
+bool M2MNsdlInterface::process_received_data(uint8_t *data,
+ uint16_t data_size,
+ sn_nsdl_addr_s *address)
+{
+ tr_debug("M2MNsdlInterface::process_received_data( data size %d)", data_size);
+ return (0 == sn_nsdl_process_coap(_nsdl_handle,
+ data,
+ data_size,
+ address)) ? true : false;
+}
+
+void M2MNsdlInterface::stop_timers()
+{
+ tr_debug("M2MNsdlInterface::stop_timers()");
+ if(_registration_timer) {
+ _registration_timer->stop_timer();
+ }
+}
+
+void M2MNsdlInterface::timer_expired(M2MTimerObserver::Type type)
+{
+ if(M2MTimerObserver::NsdlExecution == type) {
+ sn_nsdl_exec(_nsdl_handle, _counter_for_nsdl);
+ _counter_for_nsdl++;
+ } else if(M2MTimerObserver::Registration == type) {
+ tr_debug("M2MNsdlInterface::timer_expired - M2MTimerObserver::Registration - Send update registration");
+ send_update_registration();
+ }
+}
+
+void M2MNsdlInterface::observation_to_be_sent(M2MBase *object)
+{
+ tr_debug("M2MNsdlInterface::observation_to_be_sent()");
+ if(object) {
+ M2MBase::BaseType type = object->base_type();
+ if(type == M2MBase::Object) {
+ send_object_observation((M2MObject*)object);
+ } else if(type == M2MBase::ObjectInstance) {
+ send_object_instance_observation((M2MObjectInstance*)object);
+ } else if(type == M2MBase::Resource) {
+ send_resource_observation((M2MResource*)object);
+ }
+ }
+}
+
+void M2MNsdlInterface::resource_to_be_deleted(const String &resource_name)
+{
+ tr_debug("M2MNsdlInterface::resource_to_be_deleted(resource_name %s)", resource_name.c_str());
+ delete_nsdl_resource(resource_name);
+}
+
+void M2MNsdlInterface::value_updated(M2MBase *base,
+ const String &object_name)
+{
+ tr_debug("M2MNsdlInterface::value_updated()");
+ if(base) {
+ switch(base->base_type()) {
+ case M2MBase::Object:
+ create_nsdl_object_structure((M2MObject*)base);
+ break;
+ case M2MBase::ObjectInstance:
+ create_nsdl_object_instance_structure((M2MObjectInstance*)base);
+ break;
+ case M2MBase::Resource: {
+ M2MResource* resource = (M2MResource*)base;
+ create_nsdl_resource_structure(resource,object_name,
+ resource->supports_multiple_instances());
+ }
+ break;
+ case M2MBase::ResourceInstance: {
+ M2MResourceInstance* instance = (M2MResourceInstance*)base;
+ create_nsdl_resource(instance,object_name);
+ }
+ break;
+ }
+ }
+ _observer.value_updated(base);
+}
+
+void M2MNsdlInterface::remove_object(M2MBase *object)
+{
+ tr_debug("M2MNsdlInterface::remove_object()");
+ M2MObject* rem_object = (M2MObject*)object;
+ if(rem_object && !_object_list.empty()) {
+ M2MObjectList::const_iterator it;
+ it = _object_list.begin();
+ int index = 0;
+ for ( ; it != _object_list.end(); it++, index++ ) {
+ if((*it) == rem_object) {
+ _object_list.erase(index);
+ break;
+ }
+ }
+ }
+ if(_object_list.empty()) {
+ _object_list.clear();
+ }
+}
+
+bool M2MNsdlInterface::create_nsdl_object_structure(M2MObject *object)
+{
+ tr_debug("M2MNsdlInterface::create_nsdl_object_structure()");
+ bool success = false;
+ if(object) {
+ //object->set_under_observation(false,this);
+ M2MObjectInstanceList instance_list = object->instances();
+ tr_debug("M2MNsdlInterface::create_nsdl_object_structure - Object Instance count %d", instance_list.size());
+ if(!instance_list.empty()) {
+ M2MObjectInstanceList::const_iterator it;
+ it = instance_list.begin();
+ for ( ; it != instance_list.end(); it++ ) {
+ // Create NSDL structure for all object instances inside
+ success = create_nsdl_object_instance_structure(*it);
+ }
+ }
+ }
+ if((object->operation() != M2MBase::NOT_ALLOWED)) {
+ success = create_nsdl_resource(object,object->name());
+ }
+ return success;
+}
+
+bool M2MNsdlInterface::create_nsdl_object_instance_structure(M2MObjectInstance *object_instance)
+{
+ tr_debug("M2MNsdlInterface::create_nsdl_object_instance_structure()");
+ bool success = false;
+ if( object_instance) {
+
+ char *inst_id = (char*)malloc(20);
+ snprintf(inst_id, 20,"%d",object_instance->instance_id());
+
+ // Append object instance id to the object name.
+ String object_name = object_instance->name();
+ object_name += String("/");
+ object_name += String(inst_id);
+ free(inst_id);
+
+
+ //object_instance->set_under_observation(false,this);
+
+ M2MResourceList res_list = object_instance->resources();
+ tr_debug("M2MNsdlInterface::create_nsdl_object_instance_structure - ResourceBase count %d", res_list.size());
+ if(!res_list.empty()) {
+ M2MResourceList::const_iterator it;
+ it = res_list.begin();
+ for ( ; it != res_list.end(); it++ ) {
+ // Create NSDL structure for all resources inside
+ success = create_nsdl_resource_structure(*it,object_name,
+ (*it)->supports_multiple_instances());
+ }
+ }
+ if(object_instance->operation() != M2MBase::NOT_ALLOWED) {
+ success = create_nsdl_resource(object_instance,object_name);
+ }
+ }
+ return success;
+}
+
+bool M2MNsdlInterface::create_nsdl_resource_structure(M2MResource *res,
+ const String &object_name,
+ bool multiple_instances)
+{
+ tr_debug("M2MNsdlInterface::create_nsdl_resource_structure(object_name %s)", object_name.c_str());
+ bool success = false;
+ if(res) {
+ // Append object name to the resource.
+ // Take out the instance Id and append to the
+ // resource name like "object/0/+ resource + / + 0"
+ String res_name = object_name;
+ res_name+= String("/");
+ res_name.append(res->name().c_str(),res->name().length());
+
+ // if there are multiple instances supported
+ // then add instance Id into creating resource path
+ // else normal /object_id/object_instance/resource_id format.
+ if(multiple_instances) {
+ M2MResourceInstanceList res_list = res->resource_instances();
+ tr_debug("M2MNsdlInterface::create_nsdl_resource_structure - ResourceInstance count %d", res_list.size());
+ if(!res_list.empty()) {
+ M2MResourceInstanceList::const_iterator it;
+ it = res_list.begin();
+ for ( ; it != res_list.end(); it++ ) {
+ String inst_name = res_name;
+ // Create NSDL structure for all resources inside
+ char *inst_id = (char*)memory_alloc(20);
+ snprintf(inst_id, 20,"%d",(*it)->instance_id());
+ inst_name+= String("/") ;
+ inst_name+= String(inst_id);
+
+ memory_free(inst_id);
+
+ success = create_nsdl_resource((*it),inst_name);
+ }
+ // Register the main Resource as well along with ResourceInstances
+ success = create_nsdl_resource(res,res_name);
+ }
+ } else {
+ tr_debug("M2MNsdlInterface::create_nsdl_resource_structure - res_name %s", res_name.c_str());
+ success = create_nsdl_resource(res,res_name);
+ }
+ }
+ return success;
+}
+
+bool M2MNsdlInterface::create_nsdl_resource(M2MBase *base, const String &name)
+{
+ tr_debug("M2MNsdlInterface::create_nsdl_resource(name %s)", name.c_str());
+ bool success = false;
+ uint8_t* buffer = 0;
+ uint32_t length = 0;
+
+ // Create the NSDL Resource Pointer...
+ if(base) {
+ sn_nsdl_resource_info_s* resource = sn_nsdl_get_resource(_nsdl_handle,
+ name.length(),
+ (uint8_t*)name.c_str());
+ if(resource) {
+ success = true;
+ if(resource->mode == SN_GRS_STATIC) {
+ if((M2MBase::Resource == base->base_type() ||
+ M2MBase::ResourceInstance == base->base_type()) &&
+ M2MBase::Static == base->mode()) {
+ M2MResourceInstance *res = (M2MResourceInstance*)base;
+ res->get_value(buffer,length);
+ if(resource->resource) {
+ memory_free(resource->resource);
+ }
+ resource->resource = buffer;
+ resource->resourcelen = length;
+ sn_nsdl_update_resource(_nsdl_handle,resource);
+ }
+ }
+ // Update Resource access everytime for existing resource.
+ resource->access = (sn_grs_resource_acl_e)base->operation();
+ } else if(_resource) {
+ base->set_under_observation(false,this);
+ //TODO: implement access control
+ // Currently complete access is given
+ _resource->access = (sn_grs_resource_acl_e)base->operation();
+
+ if((M2MBase::Resource == base->base_type() ||
+ M2MBase::ResourceInstance == base->base_type()) &&
+ M2MBase::Static == base->mode()) {
+ M2MResourceInstance *res = (M2MResourceInstance*)base;
+ // Static resource is updated
+ _resource->mode = SN_GRS_STATIC;
+
+ res->get_value(buffer,length);
+ _resource->resource = buffer;
+ _resource->resourcelen = length;
+ }
+
+ if(M2MBase::Dynamic == base->mode()){
+ // Dynamic resource is updated
+ _resource->mode = SN_GRS_DYNAMIC;
+ _resource->sn_grs_dyn_res_callback = __nsdl_c_callback;
+ } else {
+ _resource->mode = SN_GRS_DIRECTORY;
+ }
+
+ if( _resource->path != NULL ){
+ memory_free(_resource->path);
+ _resource->path = NULL;
+ }
+ if(name.length() > 0 ){
+ _resource->path = ((uint8_t*)memory_alloc(name.length()+1));
+ if(_resource->path) {
+ memset(_resource->path, 0, name.length()+1);
+ memcpy(_resource->path, (uint8_t*)name.c_str(), name.length());
+ _resource->pathlen = name.length();
+ }
+ }
+
+ if(!base->resource_type().empty() && _resource->resource_parameters_ptr) {
+ _resource->resource_parameters_ptr->resource_type_ptr =
+ ((uint8_t*)memory_alloc(base->resource_type().length()+1));
+ if(_resource->resource_parameters_ptr->resource_type_ptr) {
+ memset(_resource->resource_parameters_ptr->resource_type_ptr,
+ 0, base->resource_type().length()+1);
+ memcpy(_resource->resource_parameters_ptr->resource_type_ptr,
+ (uint8_t*)base->resource_type().c_str(),
+ base->resource_type().length());
+ _resource->resource_parameters_ptr->resource_type_len =
+ base->resource_type().length();
+ }
+ }
+ if(!base->interface_description().empty() && _resource->resource_parameters_ptr) {
+ _resource->resource_parameters_ptr->interface_description_ptr =
+ ((uint8_t*)memory_alloc(base->interface_description().length()+1));
+ if(_resource->resource_parameters_ptr->interface_description_ptr) {
+ memset(_resource->resource_parameters_ptr->interface_description_ptr,
+ 0, base->interface_description().length()+1);
+ memcpy(_resource->resource_parameters_ptr->interface_description_ptr,
+ (uint8_t*)base->interface_description().c_str(),
+ base->interface_description().length());
+ _resource->resource_parameters_ptr->interface_description_len =
+ base->interface_description().length();
+ }
+ }
+ if(_resource->resource_parameters_ptr) {
+ _resource->resource_parameters_ptr->coap_content_type = base->coap_content_type();
+ _resource->resource_parameters_ptr->observable = (uint8_t)base->is_observable();
+ }
+
+ int8_t result = sn_nsdl_create_resource(_nsdl_handle,_resource);
+ tr_debug("M2MNsdlInterface::create_nsdl_resource - Creating in NSDL-C result %d", result);
+
+ // Either the resource is created or it already
+ // exists , then result is success.
+ if (result == 0 ||
+ result == -2){
+ success = true;
+ }
+
+ if(_resource->path) {
+ memory_free(_resource->path);
+ }
+ if(_resource->resource_parameters_ptr->resource_type_ptr){
+ memory_free(_resource->resource_parameters_ptr->resource_type_ptr);
+ }
+ if(_resource->resource_parameters_ptr->interface_description_ptr){
+ memory_free(_resource->resource_parameters_ptr->interface_description_ptr);
+ }
+
+ //Clear up the filled resource to fill up new resource.
+ clear_resource(_resource);
+
+ if(success) {
+ base->set_under_observation(false,this);
+ }
+ }
+ }
+ if(buffer) {
+ free(buffer);
+ }
+ return success;
+}
+
+// convenience method to get the URI from its buffer field...
+String M2MNsdlInterface::coap_to_string(uint8_t *coap_data,int coap_data_length)
+{
+ String value = "";
+ if (coap_data != NULL && coap_data_length > 0) {
+ char buf[256+1];
+ memset(buf,0,256+1);
+ memcpy(buf,(char *)coap_data,coap_data_length);
+ value = String(buf);
+ }
+ return value;
+}
+
+uint64_t M2MNsdlInterface::registration_time()
+{
+ uint64_t value = 0;
+ if(_endpoint->lifetime_ptr) {
+ value = atol((const char*)_endpoint->lifetime_ptr);
+ }
+
+ if(value >= OPTIMUM_LIFETIME) {
+ value = value - REDUCE_LIFETIME;
+ } else {
+ value = REDUCTION_FACTOR * value;
+ }
+ tr_debug("M2MNsdlInterface::registration_time - value (in seconds) %ld", value);
+ return value;
+}
+
+M2MBase* M2MNsdlInterface::find_resource(const String &object_name)
+{
+ M2MBase *object = NULL;
+ if(!_object_list.empty()) {
+ M2MObjectList::const_iterator it;
+ it = _object_list.begin();
+ for ( ; it != _object_list.end(); it++ ) {
+ if((*it)->name() == object_name) {
+ object = (*it);
+ tr_debug("M2MNsdlInterface::find_resource(%s) found", object_name.c_str());
+ break;
+ }
+ object = find_resource((*it),object_name);
+ if(object != NULL) {
+ tr_debug("M2MNsdlInterface::find_resource(%s) found", object_name.c_str());
+ break;
+ }
+ }
+ }
+ return object;
+}
+
+M2MBase* M2MNsdlInterface::find_resource(const M2MObject *object,
+ const String &object_instance)
+{
+ M2MBase *instance = NULL;
+ if(object) {
+ M2MObjectInstanceList list = object->instances();
+ if(!list.empty()) {
+ M2MObjectInstanceList::const_iterator it;
+ it = list.begin();
+ for ( ; it != list.end(); it++ ) {
+ char *inst_id = (char*)memory_alloc(20);
+ snprintf(inst_id, 20,"%d",(*it)->instance_id());
+
+ // Append object instance id to the object name.
+ String name = (*it)->name();
+ name+= String("/");
+ name+= String(inst_id);
+
+ memory_free(inst_id);
+
+ if(name == object_instance){
+ instance = (*it);
+ break;
+ }
+ instance = find_resource((*it),object_instance);
+ if(instance != NULL){
+ break;
+ }
+ }
+ }
+ }
+ return instance;
+}
+
+M2MBase* M2MNsdlInterface::find_resource(const M2MObjectInstance *object_instance,
+ const String &resource_instance)
+{
+ M2MBase *instance = NULL;
+ if(object_instance) {
+ M2MResourceList list = object_instance->resources();
+ if(!list.empty()) {
+ M2MResourceList::const_iterator it;
+ it = list.begin();
+ for ( ; it != list.end(); it++ ) {
+ String name = object_instance->name();
+ char *obj_inst_id = (char*)memory_alloc(20);
+ snprintf(obj_inst_id, 20,"%d",object_instance->instance_id());
+
+ // Append object instance id to the object name.
+ name+= String("/");
+ name+= String(obj_inst_id);
+
+ memory_free(obj_inst_id);
+
+ name+= String("/");
+ name+= (*it)->name();
+
+ if(name == resource_instance) {
+ instance = *it;
+ break;
+ } else if((*it)->supports_multiple_instances()) {
+ instance = find_resource((*it),name, resource_instance);
+ if(instance != NULL){
+ break;
+ }
+ }
+ }
+ }
+ }
+ return instance;
+}
+
+M2MBase* M2MNsdlInterface::find_resource(const M2MResource *resource,
+ const String &object_name,
+ const String &resource_instance)
+{
+ M2MBase *res = NULL;
+ if(resource) {
+ if(resource->supports_multiple_instances()) {
+ M2MResourceInstanceList list = resource->resource_instances();
+ if(!list.empty()) {
+ M2MResourceInstanceList::const_iterator it;
+ it = list.begin();
+ for ( ; it != list.end(); it++ ) {
+ String name = object_name;
+ // if there are multiple instances supported
+ // then add instance Id into creating resource path
+ // else normal /object_id/object_instance/resource_id format.
+
+ char *inst_id = (char*)memory_alloc(20);
+ snprintf(inst_id, 20,"%d",(*it)->instance_id());
+
+ name+= String("/") ;
+ name+= String(inst_id);
+
+ memory_free(inst_id);
+
+ if(name == resource_instance){
+ res = (*it);
+ break;
+ }
+ }
+ }
+ }
+ }
+ return res;
+}
+
+bool M2MNsdlInterface::object_present(M2MObject* object) const
+{
+ bool success = false;
+ if(object && !_object_list.empty()) {
+ M2MObjectList::const_iterator it;
+ it = _object_list.begin();
+ for ( ; it != _object_list.end(); it++ ) {
+ if((*it) == object) {
+ success = true;
+ break;
+ }
+ }
+ }
+ return success;
+}
+
+bool M2MNsdlInterface::add_object_to_list(M2MObject* object)
+{
+ bool success = false;
+ if(object && !object_present(object)) {
+ _object_list.push_back(object);
+ success = true;
+ }
+ return success;
+}
+
+void M2MNsdlInterface::clear_resource(sn_nsdl_resource_info_s *&resource)
+{
+ //Clear up the filled resource to fill up new resource.
+ if(resource && resource->resource_parameters_ptr) {
+ sn_nsdl_resource_parameters_s *temp_resource_parameter = resource->resource_parameters_ptr;
+ memset(resource->resource_parameters_ptr, 0, sizeof(sn_nsdl_resource_parameters_s));
+ memset(resource,0, sizeof(sn_nsdl_resource_info_s));
+ resource->resource_parameters_ptr = temp_resource_parameter;
+ }
+}
+
+M2MInterface::Error M2MNsdlInterface::interface_error(sn_coap_hdr_s *coap_header)
+{
+ M2MInterface::Error error = M2MInterface::ErrorNone;
+ if(coap_header) {
+ switch(coap_header->msg_code) {
+ case COAP_MSG_CODE_RESPONSE_BAD_REQUEST:
+ case COAP_MSG_CODE_RESPONSE_BAD_OPTION:
+ case COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_INCOMPLETE:
+ case COAP_MSG_CODE_RESPONSE_PRECONDITION_FAILED:
+ case COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_TOO_LARGE:
+ case COAP_MSG_CODE_RESPONSE_UNSUPPORTED_CONTENT_FORMAT:
+ error = M2MInterface::InvalidParameters;
+ break;
+ case COAP_MSG_CODE_RESPONSE_UNAUTHORIZED:
+ case COAP_MSG_CODE_RESPONSE_FORBIDDEN:
+ case COAP_MSG_CODE_RESPONSE_NOT_ACCEPTABLE:
+ case COAP_MSG_CODE_RESPONSE_NOT_FOUND:
+ case COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED:
+ error = M2MInterface::NotAllowed;
+ break;
+ case COAP_MSG_CODE_RESPONSE_CREATED:
+ case COAP_MSG_CODE_RESPONSE_DELETED:
+ case COAP_MSG_CODE_RESPONSE_VALID:
+ case COAP_MSG_CODE_RESPONSE_CHANGED:
+ case COAP_MSG_CODE_RESPONSE_CONTENT:
+ error = M2MInterface::ErrorNone;
+ break;
+ default:
+ error = M2MInterface::UnknownError;
+ break;
+ }
+ if(coap_header->coap_status == COAP_STATUS_BUILDER_MESSAGE_SENDING_FAILED) {
+ error = M2MInterface::NetworkError;
+ }
+ }
+ return error;
+}
+
+void M2MNsdlInterface::send_object_observation(M2MObject *object)
+{
+ tr_debug("M2MNsdlInterface::send_object_observation");
+ if(object) {
+ uint8_t *value = 0;
+ uint32_t length = 0;
+ uint8_t *token = 0;
+ uint32_t token_length = 0;
+ uint8_t observation_number[2];
+ uint8_t observation_number_length = 1;
+
+ uint16_t number = object->observation_number();
+
+ observation_number[0] = ((number>>8) & 0xFF);
+ observation_number[1] = (number & 0xFF);
+
+ if(number > 0xFF) {
+ observation_number_length = 2;
+ }
+
+ M2MTLVSerializer *serializer = new M2MTLVSerializer();
+ if(serializer) {
+ value = serializer->serialize(object->instances(), length);
+ delete serializer;
+ }
+
+ object->get_observation_token(token,token_length);
+
+ sn_nsdl_send_observation_notification(_nsdl_handle,
+ token,
+ token_length,
+ value,length,
+ observation_number,
+ observation_number_length,
+ COAP_MSG_TYPE_CONFIRMABLE,
+ object->coap_content_type());
+ memory_free(value);
+ memory_free(token);
+ }
+}
+
+void M2MNsdlInterface::send_object_instance_observation(M2MObjectInstance *object_instance)
+{
+ tr_debug("M2MNsdlInterface::send_object_instance_observation");
+ if(object_instance) {
+ uint8_t *value = 0;
+ uint32_t length = 0;
+ uint8_t *token = 0;
+ uint32_t token_length = 0;
+ uint8_t observation_number[2];
+ uint8_t observation_number_length = 1;
+
+ uint16_t number = object_instance->observation_number();
+
+ observation_number[0] = ((number>>8) & 0xFF);
+ observation_number[1] = (number & 0xFF);
+
+ if(number > 0xFF) {
+ observation_number_length = 2;
+ }
+
+ M2MTLVSerializer *serializer = new M2MTLVSerializer();
+ if(serializer) {
+ value = serializer->serialize(object_instance->resources(), length);
+ delete serializer;
+ }
+
+ object_instance->get_observation_token(token,token_length);
+
+ sn_nsdl_send_observation_notification(_nsdl_handle,
+ token,
+ token_length,
+ value,length,
+ observation_number,
+ observation_number_length,
+ COAP_MSG_TYPE_CONFIRMABLE,
+ object_instance->coap_content_type());
+ memory_free(value);
+ memory_free(token);
+ }
+}
+
+void M2MNsdlInterface::send_resource_observation(M2MResource *resource)
+{
+ tr_debug("M2MNsdlInterface::send_resource_observation");
+ if(resource) {
+ uint8_t *value = 0;
+ uint32_t length = 0;
+ uint8_t *token = 0;
+ uint32_t token_length = 0;
+ uint8_t observation_number[2];
+ uint8_t observation_number_length = 1;
+
+ uint16_t number = resource->observation_number();
+
+ observation_number[0] = ((number>>8) & 0xFF);
+ observation_number[1] = (number & 0xFF);
+
+ if(number > 0xFF) {
+ observation_number_length = 2;
+ }
+
+ resource->get_observation_token(token,token_length);
+ uint8_t content_type = 0;
+ if (resource->resource_instance_count() > 0) {
+ M2MTLVSerializer *serializer = new M2MTLVSerializer();
+ content_type = COAP_CONTENT_OMA_TLV_TYPE;
+ if(serializer) {
+ value = serializer->serialize(resource, length);
+ delete serializer;
+ }
+ } else {
+ resource->get_value(value,length);
+ }
+
+ sn_nsdl_send_observation_notification(_nsdl_handle,
+ token,
+ token_length,
+ value,length,
+ observation_number,
+ observation_number_length,
+ COAP_MSG_TYPE_CONFIRMABLE,
+ content_type);
+ memory_free(value);
+ memory_free(token);
+ }
+}