leo hendrickson
/
example-Ethernet-mbed-Cloud-connect
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Diff: simple-mbed-cloud-client/mbed-cloud-client/mbed-client/source/m2mnsdlinterface.cpp
- Revision:
- 0:8f0bb79ddd48
diff -r 000000000000 -r 8f0bb79ddd48 simple-mbed-cloud-client/mbed-cloud-client/mbed-client/source/m2mnsdlinterface.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/simple-mbed-cloud-client/mbed-cloud-client/mbed-client/source/m2mnsdlinterface.cpp Tue May 04 08:55:12 2021 +0000
@@ -0,0 +1,3723 @@
+/*
+ * Copyright (c) 2015-2019 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.
+ */
+
+// Needed for PRIu64 on FreeRTOS
+#include <stdio.h>
+// Note: this macro is needed on armcc to get the the limit macros like UINT16_MAX
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS
+#endif
+
+// Note: this macro is needed on armcc to get the the PRI*32 macros
+// from inttypes.h in a C++ code.
+#ifndef __STDC_FORMAT_MACROS
+#define __STDC_FORMAT_MACROS
+#endif
+
+#include <assert.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include "include/nsdlaccesshelper.h"
+#include "include/m2mnsdlobserver.h"
+#include "include/m2mtlvdeserializer.h"
+#include "include/m2mtlvserializer.h"
+#include "include/m2mnsdlinterface.h"
+#include "include/m2mreporthandler.h"
+#include "mbed-client/m2mstring.h"
+#include "mbed-client/m2msecurity.h"
+#include "mbed-client/m2mserver.h"
+#include "mbed-client/m2mobject.h"
+#include "mbed-client/m2mendpoint.h"
+#include "mbed-client/m2mobjectinstance.h"
+#include "mbed-client/m2mresource.h"
+#include "mbed-client/m2mblockmessage.h"
+#include "mbed-client/m2mconstants.h"
+#include "mbed-client/uriqueryparser.h"
+#include "mbed-trace/mbed_trace.h"
+#include "sn_grs.h"
+#include "mbed-client/m2minterfacefactory.h"
+#include "mbed-client/m2mdevice.h"
+#include "randLIB.h"
+#include "common_functions.h"
+#include "sn_nsdl_lib.h"
+#include "sn_coap_protocol.h"
+#include "m2mnotificationhandler.h"
+#include "eventOS_event_timer.h"
+#include "eventOS_scheduler.h"
+#include "ns_hal_init.h"
+
+#define MBED_CLIENT_NSDLINTERFACE_TASKLET_INIT_EVENT 0 // Tasklet init occurs always when generating a tasklet
+#define MBED_CLIENT_NSDLINTERFACE_EVENT 30
+#define MBED_CLIENT_NSDLINTERFACE_BS_EVENT 31
+#define MBED_CLIENT_NSDLINTERFACE_BS_PUT_EVENT 32
+#define MBED_CLIENT_NSDLINTERFACE_BS_FINISH_EVENT 33
+
+#ifdef MBED_CONF_MBED_CLIENT_EVENT_LOOP_SIZE
+#define MBED_CLIENT_EVENT_LOOP_SIZE MBED_CONF_MBED_CLIENT_EVENT_LOOP_SIZE
+#else
+#define MBED_CLIENT_EVENT_LOOP_SIZE 1024
+#endif
+
+#define BUFFER_SIZE 21
+#define TRACE_GROUP "mClt"
+#define MAX_QUERY_COUNT 10
+
+const char *MCC_VERSION = "mccv=2.2.1";
+
+int8_t M2MNsdlInterface::_tasklet_id = -1;
+
+extern "C" void nsdlinterface_tasklet_func(arm_event_s *event)
+{
+ // skip the init event as there will be a timer event after
+ if (event->event_type == MBED_CLIENT_NSDLINTERFACE_EVENT) {
+ eventOS_scheduler_mutex_wait();
+ M2MNsdlInterface::nsdl_coap_data_s *coap_data = (M2MNsdlInterface::nsdl_coap_data_s*)event->data_ptr;
+ M2MNsdlInterface *interface = (M2MNsdlInterface*)sn_nsdl_get_context(coap_data->nsdl_handle);
+ if (interface) {
+ interface->resource_callback_handle_event(coap_data->received_coap_header, &coap_data->address);
+ if (coap_data->received_coap_header->coap_status == COAP_STATUS_PARSER_BLOCKWISE_MSG_RECEIVED &&
+ coap_data->received_coap_header->payload_ptr) {
+ coap_data->nsdl_handle->grs->sn_grs_free(coap_data->received_coap_header->payload_ptr);
+ coap_data->received_coap_header->payload_ptr = 0;
+ }
+ }
+
+ M2MNsdlInterface::memory_free(coap_data->received_coap_header->payload_ptr);
+ sn_coap_parser_release_allocated_coap_msg_mem(coap_data->nsdl_handle->grs->coap, coap_data->received_coap_header);
+ M2MNsdlInterface::memory_free(coap_data->address.addr_ptr);
+ M2MNsdlInterface::memory_free(coap_data);
+ eventOS_scheduler_mutex_release();
+
+ } else if (event->event_type == MBED_CLIENT_NSDLINTERFACE_BS_EVENT) {
+ M2MNsdlInterface::nsdl_coap_data_s *coap_data = (M2MNsdlInterface::nsdl_coap_data_s*)event->data_ptr;
+ M2MNsdlInterface *interface = (M2MNsdlInterface*)sn_nsdl_get_context(coap_data->nsdl_handle);
+
+ sn_coap_hdr_s *coap_response = sn_nsdl_build_response(coap_data->nsdl_handle,
+ coap_data->received_coap_header,
+ coap_data->received_coap_header->msg_code);
+ if (coap_response) {
+ coap_response->msg_type = coap_data->received_coap_header->msg_type;
+
+ if (sn_nsdl_send_coap_message(coap_data->nsdl_handle, &coap_data->address, coap_response) == 0) {
+ interface->store_bs_finished_response_id(coap_response->msg_id);
+ } else {
+ tr_error("Failed to send final response for BS finished");
+ }
+
+ sn_coap_parser_release_allocated_coap_msg_mem(coap_data->nsdl_handle->grs->coap, coap_response);
+
+ } else {
+ tr_error("Failed to create final response message for BS finished");
+ }
+
+ // Release the memory
+ M2MNsdlInterface::memory_free(coap_data->received_coap_header->payload_ptr);
+ sn_coap_parser_release_allocated_coap_msg_mem(coap_data->nsdl_handle->grs->coap, coap_data->received_coap_header);
+ M2MNsdlInterface::memory_free(coap_data->address.addr_ptr);
+ M2MNsdlInterface::memory_free(coap_data);
+ } else if (event->event_type == MBED_CLIENT_NSDLINTERFACE_BS_PUT_EVENT) {
+ M2MNsdlInterface::nsdl_coap_data_s *coap_data = (M2MNsdlInterface::nsdl_coap_data_s*)event->data_ptr;
+ M2MNsdlInterface *interface = (M2MNsdlInterface*)sn_nsdl_get_context(coap_data->nsdl_handle);
+ interface->handle_bootstrap_put_message(coap_data->received_coap_header, &coap_data->address);
+
+ M2MNsdlInterface::memory_free(coap_data->received_coap_header->payload_ptr);
+ sn_coap_parser_release_allocated_coap_msg_mem(coap_data->nsdl_handle->grs->coap, coap_data->received_coap_header);
+ M2MNsdlInterface::memory_free(coap_data->address.addr_ptr);
+ M2MNsdlInterface::memory_free(coap_data);
+ } else if (event->event_type == MBED_CLIENT_NSDLINTERFACE_BS_FINISH_EVENT) {
+ nsdl_s *nsdl_handle = (nsdl_s*)event->data_ptr;
+ M2MNsdlInterface *interface = (M2MNsdlInterface*)sn_nsdl_get_context(nsdl_handle);
+ interface->handle_bootstrap_finish_ack(event->event_data);
+ }
+}
+
+M2MNsdlInterface::M2MNsdlInterface(M2MNsdlObserver &observer, M2MConnectionHandler &connection_handler)
+: _observer(observer),
+ _endpoint(NULL),
+ _nsdl_handle(NULL),
+ _security(NULL),
+ _server(NULL),
+ _nsdl_execution_timer(*this),
+ _registration_timer(*this),
+ _connection_handler(connection_handler),
+ _counter_for_nsdl(0),
+ _next_coap_ping_send_time(0),
+ _server_address(NULL),
+ _custom_uri_query_params(NULL),
+ _notification_handler(new M2MNotificationHandler()),
+ _bootstrap_id(0),
+ _binding_mode(M2MInterface::NOT_SET),
+ _identity_accepted(false),
+ _nsdl_execution_timer_running(false),
+ _notification_send_ongoing(false),
+ _registered(false),
+ _bootstrap_finish_ack_received(false),
+ _download_retry_timer(*this),
+ _download_retry_time(0)
+{
+ tr_debug("M2MNsdlInterface::M2MNsdlInterface()");
+
+ _event.data.data_ptr = NULL;
+ _event.data.event_data = 0;
+ _event.data.event_id = 0;
+ _event.data.sender = 0;
+ _event.data.event_type = 0;
+ _event.data.priority = ARM_LIB_MED_PRIORITY_EVENT;
+
+ _server = new M2MServer();
+
+ // 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), &(__nsdl_c_auto_obs_token));
+
+ sn_nsdl_set_context(_nsdl_handle, this);
+
+ ns_hal_init(NULL, MBED_CLIENT_EVENT_LOOP_SIZE, NULL, NULL);
+ eventOS_scheduler_mutex_wait();
+ if (M2MNsdlInterface::_tasklet_id < 0) {
+ M2MNsdlInterface::_tasklet_id = eventOS_event_handler_create(nsdlinterface_tasklet_func, MBED_CLIENT_NSDLINTERFACE_TASKLET_INIT_EVENT);
+ assert(M2MNsdlInterface::_tasklet_id >= 0);
+ }
+ eventOS_scheduler_mutex_release();
+
+ _event.data.receiver = M2MNsdlInterface::_tasklet_id;
+
+ // Randomize the initial auto obs token. Range is in 1 - 1023
+ _auto_obs_token = randLIB_get_random_in_range(AUTO_OBS_TOKEN_MIN, AUTO_OBS_TOKEN_MAX);
+
+ initialize();
+}
+
+M2MNsdlInterface::~M2MNsdlInterface()
+{
+ tr_debug("M2MNsdlInterface::~M2MNsdlInterface() - IN");
+ if (_endpoint) {
+ memory_free(_endpoint->endpoint_name_ptr);
+ memory_free(_endpoint->domain_name_ptr);
+ memory_free(_endpoint->type_ptr);
+ memory_free(_endpoint->lifetime_ptr);
+ memory_free(_endpoint);
+ }
+
+ delete _notification_handler;
+ _base_list.clear();
+ _security = NULL;
+ delete _server;
+ sn_nsdl_destroy(_nsdl_handle);
+ _nsdl_handle = NULL;
+ memory_free(_server_address);
+ free_request_context_list(NULL, false);
+ free_response_list();
+ memory_free(_custom_uri_query_params);
+ tr_debug("M2MNsdlInterface::~M2MNsdlInterface() - OUT");
+}
+
+bool M2MNsdlInterface::initialize()
+{
+ tr_debug("M2MNsdlInterface::initialize()");
+ bool success = false;
+
+ // Sets the packet retransmission attempts and time interval
+ sn_nsdl_set_retransmission_parameters(_nsdl_handle,
+ MBED_CLIENT_RECONNECTION_COUNT,
+ MBED_CLIENT_RECONNECTION_INTERVAL);
+
+ sn_nsdl_set_retransmission_buffer(_nsdl_handle, MBED_CLIENT_SN_COAP_RESENDING_QUEUE_SIZE_MSGS, 0);
+
+ sn_nsdl_handle_block2_response_internally(_nsdl_handle, false);
+
+ // Allocate the memory for endpoint
+ _endpoint = (sn_nsdl_ep_parameters_s*)memory_alloc(sizeof(sn_nsdl_ep_parameters_s));
+ if (_endpoint) {
+ memset(_endpoint, 0, sizeof(sn_nsdl_ep_parameters_s));
+ success = true;
+ }
+
+ M2MResource* update_trigger = _server->get_resource(M2MServer::RegistrationUpdate);
+ if (update_trigger) {
+ update_trigger->set_execute_function(execute_callback(this,
+ &M2MNsdlInterface::update_trigger_callback));
+ }
+
+ add_object_to_list(_server);
+ create_nsdl_object_structure(_server);
+ ns_list_init(&_request_context_list);
+ ns_list_init(&_response_list);
+
+ 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_info("M2MNsdlInterface::create_endpoint( name %s type %s lifetime %" PRId32 ", domain %s, mode %d)",
+ name.c_str(), type.c_str(), life_time, domain.c_str(), mode);
+ _endpoint_name = name;
+ _binding_mode = mode;
+
+ if (_endpoint){
+ memset(_endpoint, 0, sizeof(sn_nsdl_ep_parameters_s));
+ if (!_endpoint_name.empty()) {
+ memory_free(_endpoint->endpoint_name_ptr);
+ _endpoint->endpoint_name_ptr = alloc_string_copy((uint8_t*)_endpoint_name.c_str(), _endpoint_name.length());
+ _endpoint->endpoint_name_len = _endpoint_name.length();
+ }
+ if (!type.empty()) {
+ _endpoint->type_ptr = alloc_string_copy((uint8_t*)type.c_str(), type.length());
+ _endpoint->type_len = type.length();
+ }
+ if (!domain.empty()) {
+ _endpoint->domain_name_ptr = alloc_string_copy((uint8_t*)domain.c_str(), domain.length());
+ _endpoint->domain_name_len = domain.length();
+ }
+
+ // nsdl binding mode is only 3 least significant bits
+ _endpoint->binding_and_mode = (sn_nsdl_oma_binding_and_mode_t)((uint8_t)mode & 0x07);
+
+ // If lifetime is less than zero then leave the field empty
+ if (life_time > 0) {
+ set_endpoint_lifetime_buffer(life_time);
+ }
+ }
+}
+
+void M2MNsdlInterface::update_endpoint(const String &name)
+{
+ _endpoint_name = name;
+ if (_endpoint){
+ if (!_endpoint_name.empty()) {
+ memory_free(_endpoint->endpoint_name_ptr);
+ _endpoint->endpoint_name_ptr = alloc_string_copy((uint8_t*)_endpoint_name.c_str(), _endpoint_name.length());
+ _endpoint->endpoint_name_len = _endpoint_name.length();
+ }
+ }
+}
+
+void M2MNsdlInterface::update_domain(const String &domain)
+{
+ if (_endpoint){
+ memory_free(_endpoint->domain_name_ptr);
+ if (!domain.empty()) {
+ _endpoint->domain_name_ptr = alloc_string_copy((uint8_t*)domain.c_str(), domain.length());
+ _endpoint->domain_name_len = domain.length();
+ } else {
+ _endpoint->domain_name_ptr = NULL;
+ _endpoint->domain_name_len = 0;
+ }
+ }
+}
+
+void M2MNsdlInterface::set_endpoint_lifetime_buffer(int lifetime)
+{
+ tr_info("M2MNsdlInterface::set_endpoint_lifetime_buffer - %d", lifetime);
+ if (lifetime < MINIMUM_REGISTRATION_TIME) {
+ return;
+ }
+
+ _server->set_resource_value(M2MServer::Lifetime, lifetime);
+
+ if (_endpoint && _endpoint->lifetime_ptr) {
+ memory_free(_endpoint->lifetime_ptr);
+ _endpoint->lifetime_ptr = NULL;
+ _endpoint->lifetime_len = 0;
+ }
+
+ char buffer[20+1];
+ uint32_t size = m2m::itoa_c(lifetime, buffer);
+ if (_endpoint && size <= sizeof(buffer)) {
+ _endpoint->lifetime_len = 0;
+ _endpoint->lifetime_ptr = alloc_string_copy((uint8_t*)buffer, size);
+ if (_endpoint->lifetime_ptr) {
+ _endpoint->lifetime_len = size;
+ }
+ }
+
+ set_retransmission_parameters();
+}
+
+
+void M2MNsdlInterface::delete_endpoint()
+{
+ tr_debug("M2MNsdlInterface::delete_endpoint()");
+ if (_endpoint) {
+ free(_endpoint->lifetime_ptr);
+ memory_free(_endpoint);
+ _endpoint = NULL;
+ }
+}
+
+bool M2MNsdlInterface::create_nsdl_list_structure(const M2MBaseList &list)
+{
+ tr_debug("M2MNsdlInterface::create_nsdl_list_structure()");
+ bool success = false;
+ if (!list.empty()) {
+ tr_debug("M2MNsdlInterface::create_nsdl_list_structure - Object count is %d", list.size());
+ M2MBaseList::const_iterator it;
+ it = list.begin();
+ for ( ; it != list.end(); it++ ) {
+ // Create NSDL structure for all Objects inside
+ success = create_nsdl_structure(*it);
+ if (!success) {
+ tr_debug("M2MNsdlInterface::create_nsdl_list_structure - fail to create resource");
+ break;
+ }
+
+ tr_debug("M2MNsdlInterface::create_nsdl_list_structure - create %d", success);
+ add_object_to_list(*it);
+ }
+ }
+
+ return success;
+}
+
+bool M2MNsdlInterface::remove_nsdl_resource(M2MBase *base)
+{
+ sn_nsdl_dynamic_resource_parameters_s* resource = base->get_nsdl_resource();
+ return sn_nsdl_pop_resource(_nsdl_handle, resource);
+}
+
+bool M2MNsdlInterface::create_bootstrap_resource(sn_nsdl_addr_s *address)
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_debug("M2MNsdlInterface::create_bootstrap_resource()");
+ _identity_accepted = false;
+ _bootstrap_finish_ack_received = false;
+ bool success = false;
+ tr_debug("M2MNsdlInterface::create_bootstrap_resource() - endpoint name: %.*s", _endpoint->endpoint_name_len,
+ _endpoint->endpoint_name_ptr);
+
+ if (_bootstrap_id == 0) {
+ // Take copy of the address, uri_query_parameters() will modify the source buffer
+ bool msg_sent = false;
+ if (_server_address) {
+ char *address_copy = M2MBase::alloc_string_copy(_server_address);
+ if (address_copy) {
+ char* query = parse_uri_query_parameters(_server_address);
+ if (query != NULL) {
+ size_t query_len = 1 + strlen(query) + 1 + strlen(MCC_VERSION) + 1;
+ if (query_len <= MAX_URI_QUERY_LEN) {
+ char query_params[MAX_URI_QUERY_LEN];
+ strcpy(query_params, "&");
+ strcat(query_params, query);
+ strcat(query_params, "&");
+ strcat(query_params, MCC_VERSION);
+ msg_sent = true;
+ sn_nsdl_clear_coap_resending_queue(_nsdl_handle);
+ _bootstrap_id = sn_nsdl_oma_bootstrap(_nsdl_handle,
+ address,
+ _endpoint,
+ query_params);
+ free(_server_address);
+ _server_address = M2MBase::alloc_string_copy(address_copy);
+ } else {
+ tr_error("M2MNsdlInterface::create_bootstrap_resource() - max uri param length reached (%lu)",
+ (unsigned long)query_len);
+ }
+ }
+ free(address_copy);
+ }
+ }
+ if (!msg_sent) {
+ sn_nsdl_clear_coap_resending_queue(_nsdl_handle);
+ _bootstrap_id = sn_nsdl_oma_bootstrap(_nsdl_handle,
+ address,
+ _endpoint,
+ NULL);
+ }
+ success = _bootstrap_id != 0;
+ tr_debug("M2MNsdlInterface::create_bootstrap_resource - _bootstrap_id %d", _bootstrap_id);
+ }
+ return success;
+#else
+ (void)address;
+ return false;
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+void M2MNsdlInterface::set_server_address(uint8_t* address,
+ uint8_t address_length,
+ const uint16_t port,
+ sn_nsdl_addr_type_e address_type)
+{
+ tr_debug("M2MNsdlInterface::set_server_address()");
+ set_NSP_address(_nsdl_handle, address, address_length, port, address_type);
+}
+
+bool M2MNsdlInterface::send_register_message()
+{
+ tr_info("M2MNsdlInterface::send_register_message()");
+ bool success = false;
+ if (_server_address) {
+ success = parse_and_send_uri_query_parameters();
+ }
+ // If URI parsing fails or there is no parameters, try again without parameters
+ if (!success) {
+ // Clear the observation tokens
+ send_next_notification(true);
+
+ success = sn_nsdl_register_endpoint(_nsdl_handle,_endpoint, NULL) != 0;
+ }
+ return success;
+}
+
+void M2MNsdlInterface::send_request(DownloadType type,
+ const char *uri,
+ const sn_coap_msg_code_e msg_code,
+ const size_t offset,
+ const bool async,
+ uint32_t token,
+ const uint16_t payload_len,
+ uint8_t *payload_ptr,
+ request_data_cb data_cb,
+ request_error_cb error_cb,
+ void *context)
+{
+ assert(uri != NULL);
+ int32_t message_id = 0;
+ request_context_s *data_request = NULL;
+
+ if (msg_code == COAP_MSG_CODE_REQUEST_GET && !_registered) {
+ tr_error("M2MNsdlInterface::send_request - client not registered!");
+ error_cb(ERROR_NOT_REGISTERED, context);
+ return;
+ }
+
+ // Check the duplicate items
+ request_context_s *data = (request_context_s *)ns_list_get_first(&_request_context_list);
+ while (data) {
+ if ((strcmp(uri, data->uri_path) == 0) && (offset == data->received_size)) {
+ tr_debug("M2MNsdlInterface::send_request - item already exists");
+ // Remove queued message from the resend queue before resuming file download.
+ // Otherwise there will be duplicate block transfer with a just different message id's.
+ sn_nsdl_remove_msg_from_retransmission(_nsdl_handle,
+ (uint8_t*)&data->msg_token,
+ sizeof(data->msg_token));
+ data_request = data;
+ break;
+ }
+ data = (request_context_s *)ns_list_get_next(&_request_context_list, data);
+ }
+
+ if (data_request == NULL) {
+ data_request = (struct request_context_s*)memory_alloc(sizeof(struct request_context_s));
+ if (data_request == NULL) {
+ error_cb(FAILED_TO_ALLOCATE_MEMORY, context);
+ return;
+ }
+
+ data_request->resend = false;
+ data_request->context = context;
+ data_request->async_req = async;
+ data_request->received_size = offset;
+ data_request->download_type = type;
+ data_request->uri_path = (char*)alloc_string_copy((uint8_t*)uri, strlen(uri));
+ if (data_request->uri_path == NULL) {
+ memory_free(data_request);
+ error_cb(FAILED_TO_ALLOCATE_MEMORY, context);
+ return;
+ }
+
+ data_request->on_request_data_cb = data_cb;
+ data_request->on_request_error_cb = error_cb;
+
+ if (!token) {
+ randLIB_get_n_bytes_random(&token, sizeof(token));
+
+ if (!token) {
+ token++;
+ }
+ }
+
+ data_request->msg_token = token;
+ data_request->msg_code = msg_code;
+
+ ns_list_add_to_end(&_request_context_list, data_request);
+
+ }
+
+ message_id = sn_nsdl_send_request(_nsdl_handle,
+ data_request->msg_code,
+ data_request->uri_path,
+ data_request->msg_token,
+ data_request->received_size,
+ payload_len,
+ payload_ptr,
+ data_request->download_type);
+
+ if (message_id == -4) {
+ data_request->resend = true;
+ } else if (message_id <= 0) {
+ ns_list_remove(&_request_context_list, data_request);
+ memory_free(data_request->uri_path);
+ memory_free(data_request);
+ error_cb(FAILED_TO_ALLOCATE_MEMORY, context);
+ }
+}
+
+bool M2MNsdlInterface::send_update_registration(const uint32_t lifetime)
+{
+ tr_info("M2MNsdlInterface::send_update_registration( lifetime %" PRIu32 ")", lifetime);
+ bool success = false;
+ int32_t ret = 0;
+
+ _registration_timer.stop_timer();
+ bool lifetime_changed = true;
+
+ // If new resources have been created after registration those must be created and published to the server.
+ create_nsdl_list_structure(_base_list);
+
+ // Check if resource(1/0/1) value has been updated and update it into _endpoint struct
+ if (lifetime == 0) {
+ lifetime_changed = lifetime_value_changed();
+ if (lifetime_changed) {
+ set_endpoint_lifetime_buffer(_server->resource_value_int(M2MServer::Lifetime));;
+ }
+ } else {
+ set_endpoint_lifetime_buffer(lifetime);
+ }
+
+ if (_nsdl_handle) {
+ if (!lifetime_changed) {
+ tr_debug("M2MNsdlInterface::send_update_registration - regular update");
+ ret = sn_nsdl_update_registration(_nsdl_handle, NULL, 0);
+ } else {
+ if (_endpoint && _endpoint->lifetime_ptr) {
+ tr_debug("M2MNsdlInterface::send_update_registration - new lifetime value");
+ ret = sn_nsdl_update_registration(_nsdl_handle,
+ _endpoint->lifetime_ptr,
+ _endpoint->lifetime_len);
+ }
+ }
+ }
+
+ if (ret >= 0) {
+ success = true;
+ }
+
+ _registration_timer.start_timer(registration_time() * 1000,
+ M2MTimerObserver::Registration,
+ false);
+
+ return success;
+}
+
+bool M2MNsdlInterface::send_unregister_message()
+{
+ tr_info("M2MNsdlInterface::send_unregister_message");
+ if (is_unregister_ongoing()) {
+ tr_debug("M2MNsdlInterface::send_unregister_message - unregistration already in progress");
+ return true;
+ }
+
+ bool success = false;
+ int32_t ret = 0;
+
+ ret = sn_nsdl_unregister_endpoint(_nsdl_handle);
+ if (ret == -4) {
+ tr_warn("Failed to send registration update. Clearing queue and retrying.");
+ sn_nsdl_clear_coap_resending_queue(_nsdl_handle);
+ ret = sn_nsdl_unregister_endpoint(_nsdl_handle);
+ }
+ if (ret >= 0) {
+ success = true;
+ }
+ return success;
+}
+
+// XXX: move these to common place, no need to copy these wrappers to multiple places:
+void *M2MNsdlInterface::memory_alloc(uint32_t size)
+{
+ if(size)
+ return malloc(size);
+ else
+ return 0;
+}
+
+void M2MNsdlInterface::memory_free(void *ptr)
+{
+ free(ptr);
+}
+
+uint8_t* M2MNsdlInterface::alloc_string_copy(const uint8_t* source, uint16_t size)
+{
+ assert(source != NULL);
+
+ uint8_t* result = (uint8_t*)memory_alloc(size + 1);
+ if (result) {
+ memcpy(result, source, size);
+ result[size] = '\0';
+ }
+ return result;
+}
+
+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(data size %d)", data_len);
+ _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;
+ request_context_s request_context;
+ if(nsdl_handle && coap_header) {
+ bool is_bootstrap_msg = nsdl_handle->is_bs_server;
+
+ if (coap_header->token_ptr &&
+ coap_header->token_len == sizeof(nsdl_handle->register_token) &&
+ memcmp(coap_header->token_ptr, &nsdl_handle->register_token, sizeof(nsdl_handle->register_token)) == 0) {
+
+ handle_register_response(coap_header);
+
+ } else if (coap_header->token_ptr &&
+ coap_header->token_len == sizeof(nsdl_handle->unregister_token) &&
+ memcmp(coap_header->token_ptr,
+ &nsdl_handle->unregister_token,
+ sizeof(nsdl_handle->unregister_token)) == 0) {
+
+ handle_unregister_response(coap_header);
+
+ } else if (coap_header->token_ptr &&
+ coap_header->token_len == sizeof(nsdl_handle->update_register_token) &&
+ memcmp(coap_header->token_ptr,
+ &nsdl_handle->update_register_token,
+ sizeof(nsdl_handle->update_register_token)) == 0) {
+
+ handle_register_update_response(coap_header);
+
+ } else if (coap_header->token_ptr && is_response_to_request(coap_header, request_context)) {
+
+ handle_request_response(coap_header, &request_context);
+
+ }
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ else if (coap_header->token_ptr &&
+ coap_header->token_len == sizeof(nsdl_handle->bootstrap_token) &&
+ memcmp(coap_header->token_ptr, &nsdl_handle->bootstrap_token, sizeof(nsdl_handle->bootstrap_token)) == 0) {
+
+ handle_bootstrap_response(coap_header);
+
+ }
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ else {
+
+ sn_coap_hdr_s *coap_response = NULL;
+ bool execute_value_updated = false;
+ M2MObjectInstance *obj_instance = NULL;
+
+ if (COAP_MSG_CODE_REQUEST_PUT == coap_header->msg_code) {
+ if (is_bootstrap_msg) {
+ send_empty_ack(coap_header, address);
+ nsdl_coap_data_s *nsdl_coap_data = create_coap_event_data(coap_header,
+ address,
+ nsdl_handle,
+ coap_header->msg_code);
+ if (nsdl_coap_data) {
+ _event.data.event_type = MBED_CLIENT_NSDLINTERFACE_BS_PUT_EVENT;
+ _event.data.data_ptr = (void*)nsdl_coap_data;
+ eventOS_event_send_user_allocated(&_event);
+ return 2; // freeing will be performed in MBED_CLIENT_NSDLINTERFACE_BS_PUT_EVENT event
+ } else {
+ tr_error("M2MNsdlInterface::received_from_server_callback() - BS PUT failed to allocate nsdl_coap_data_s!");
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_TOO_LARGE);
+ }
+
+ } else {
+ tr_debug("M2MNsdlInterface::received_from_server_callback - Method not allowed (PUT).");
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED);
+ }
+ }
+ else if (COAP_MSG_CODE_REQUEST_DELETE == coap_header->msg_code) {
+ if (is_bootstrap_msg) {
+ handle_bootstrap_delete(coap_header, address);
+ } else {
+ tr_debug("M2MNsdlInterface::received_from_server_callback - Method not allowed (DELETE).");
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED);
+ }
+ } else if (COAP_MSG_CODE_REQUEST_POST == coap_header->msg_code) {
+
+ execute_value_updated = handle_post_response(coap_header,
+ address,
+ coap_response,
+ obj_instance,
+ is_bootstrap_msg);
+
+ } else if (COAP_STATUS_BUILDER_BLOCK_SENDING_DONE == coap_header->coap_status &&
+ (coap_header->msg_code == COAP_MSG_CODE_RESPONSE_CONTENT ||
+ coap_header->msg_code == COAP_MSG_CODE_RESPONSE_CHANGED)) {
+
+ coap_response_s *resp = find_response(coap_header->msg_id);
+ if (resp) {
+ M2MBase *base = find_resource(resp->uri_path);
+ if (base) {
+ if (resp->type == M2MBase::BLOCK_SUBSCRIBE) {
+ sn_coap_msg_code_e code;
+ // This case coap response is not needed.
+ // coap_header have the payload length and the observation number which is needed in following call.
+ base->handle_observation(nsdl_handle, *coap_header, *coap_header, this, code);
+ base->start_observation(*coap_header, this);
+ } else {
+ handle_message_delivered(base, resp->type);
+ }
+
+ remove_item_from_response_list(NULL, coap_header->msg_id);
+ }
+ }
+
+ // Retransmission done
+ } else if (COAP_STATUS_BUILDER_MESSAGE_SENDING_FAILED == coap_header->coap_status ||
+ COAP_STATUS_BUILDER_BLOCK_SENDING_FAILED == coap_header->coap_status) {
+
+ tr_info("M2MNsdlInterface::received_from_server_callback - message sending failed, id %d", coap_header->msg_id);
+ _observer.registration_error(M2MInterface::NetworkError, true);
+
+ // Handle Server-side expections during registration flow
+ // Client might receive error from server due to temporary connection/operability reasons,
+ // server might not recover the flow in this case, so it is better for Client to restart registration.
+ } else if (COAP_MSG_CODE_EMPTY == coap_header->msg_code) {
+
+ handle_empty_ack(coap_header, is_bootstrap_msg);
+
+ } else if (nsdl_handle->register_token &&
+ ((coap_header->msg_code == COAP_MSG_CODE_RESPONSE_INTERNAL_SERVER_ERROR) ||
+ (coap_header->msg_code == COAP_MSG_CODE_RESPONSE_BAD_GATEWAY) ||
+ (coap_header->msg_code == COAP_MSG_CODE_RESPONSE_SERVICE_UNAVAILABLE) ||
+ (coap_header->msg_code == COAP_MSG_CODE_RESPONSE_GATEWAY_TIMEOUT))) {
+
+ tr_error("M2MNsdlInterface::received_from_server_callback - registration error %d", coap_header->msg_code);
+ tr_error("M2MNsdlInterface::received_from_server_callback - unexpected error received from server");
+ // Try to do clean register again
+ _observer.registration_error(M2MInterface::NetworkError, true);
+
+ } else {
+ // Add warn for any message that gets this far. We might be missing some handling in above.
+ tr_warn("M2MNsdlInterface::received_from_server_callback - msg was ignored %d", coap_header->msg_code);
+ }
+
+ // Send response to server
+ 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);
+ }
+
+ // Tell to application that value has been updated
+ if (execute_value_updated) {
+ value_updated(obj_instance);
+ }
+ }
+ }
+ return value;
+}
+#ifdef ENABLE_ASYNC_REST_RESPONSE
+M2MBase::Operation M2MNsdlInterface::operation_for_message_code(sn_coap_msg_code_e code)
+{
+ M2MBase::Operation ret_val;
+ switch (code) {
+ case COAP_MSG_CODE_REQUEST_POST: {
+ ret_val = M2MBase::POST_ALLOWED;
+ break;
+ }
+ case COAP_MSG_CODE_REQUEST_GET: {
+ ret_val = M2MBase::GET_ALLOWED;
+ break;
+ }
+ case COAP_MSG_CODE_REQUEST_PUT: {
+ ret_val = M2MBase::PUT_ALLOWED;
+ break;
+ }
+ default:
+ ret_val = M2MBase::NOT_ALLOWED;
+ break;
+ }
+ return ret_val;
+}
+#endif // ENABLE_ASYNC_REST_RESPONSE
+
+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*/)
+{
+ bool async_response = false;
+ tr_debug("M2MNsdlInterface::resource_callback()");
+
+ assert(received_coap_header);
+ _observer.coap_data_processed();
+
+ String resource_name = coap_to_string(received_coap_header->uri_path_ptr,
+ received_coap_header->uri_path_len);
+
+ M2MBase *base = find_resource(resource_name);
+
+#ifdef ENABLE_ASYNC_REST_RESPONSE
+ if (base) {
+ if (base->is_async_coap_request_callback_set()) {
+ async_response = true;
+ if (!handle_delayed_response_store(resource_name.c_str(),
+ received_coap_header,
+ address,
+ M2MBase::DELAYED_RESPONSE)) {
+ return 0;
+ }
+ }
+ }
+#endif // ENABLE_ASYNC_REST_RESPONSE
+
+ // Use piggypacked response for any other types than POST
+ if (received_coap_header->msg_code != COAP_MSG_CODE_REQUEST_POST) {
+ // If there is a async callback set for this resource than skip this and
+ // send empty ACK below, application will be responsible to send final response.
+ if (!async_response) {
+ uint8_t status = resource_callback_handle_event(received_coap_header, address);
+ if (received_coap_header->coap_status == COAP_STATUS_PARSER_BLOCKWISE_MSG_RECEIVED) {
+ memory_free(received_coap_header->payload_ptr);
+ }
+ sn_nsdl_release_allocated_coap_msg_mem(_nsdl_handle, received_coap_header);
+ return status;
+ }
+ }
+
+ // Only handle this in case of delayed response for POST and not for
+ // implementation behind ENABLE_ASYNC_REST_RESPONSE
+ if (base && !async_response) {
+ M2MResource *res = NULL;
+ if (M2MBase::Resource == base->base_type()) {
+ res = static_cast<M2MResource *> (base);
+ }
+
+#ifndef DISABLE_DELAYED_RESPONSE
+ if (res && res->delayed_response()) {
+ if (!handle_delayed_response_store(resource_name.c_str(),
+ received_coap_header,
+ address,
+ M2MBase::DELAYED_POST_RESPONSE)) {
+ return 0;
+ }
+ }
+#endif // DISABLE_DELAYED_RESPONSE
+
+ }
+
+ send_empty_ack(received_coap_header, address);
+ nsdl_coap_data_s *nsdl_coap_data = create_coap_event_data(received_coap_header,
+ address,
+ nsdl_handle,
+ received_coap_header->msg_code);
+ if (nsdl_coap_data) {
+ _event.data.event_type = MBED_CLIENT_NSDLINTERFACE_EVENT;
+ _event.data.data_ptr = (void*)nsdl_coap_data;
+ eventOS_event_send_user_allocated(&_event);
+ } else {
+ tr_error("M2MNsdlInterface::resource_callback() - failed to allocate nsdl_coap_data_s!");
+ }
+ return 0;
+}
+
+uint8_t M2MNsdlInterface::resource_callback_handle_event(sn_coap_hdr_s *received_coap_header,
+ sn_nsdl_addr_s *address)
+{
+ tr_debug("M2MNsdlInterface::resource_callback_handle_event");
+ uint8_t result = 1;
+ uint8_t *payload = NULL;
+ bool free_payload = true;
+ 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);
+
+ bool execute_value_updated = false;
+ M2MBase* base = find_resource(resource_name);
+ bool subscribed = false;
+ 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);
+
+ if (coap_response &&
+ coap_response->options_list_ptr &&
+ coap_response->options_list_ptr->observe != STOP_OBSERVATION &&
+ coap_response->options_list_ptr->observe != -1 &&
+ coap_response->token_ptr) {
+ if (M2MBase::is_blockwise_needed(_nsdl_handle, coap_response->payload_len)) {
+ store_to_response_list(resource_name.c_str(),
+ received_coap_header->msg_id,
+ M2MBase::BLOCK_SUBSCRIBE);
+ }
+ subscribed = true;
+ }
+ } else if (COAP_MSG_CODE_REQUEST_PUT == received_coap_header->msg_code) {
+ coap_response = base->handle_put_request(_nsdl_handle, received_coap_header, this, execute_value_updated);
+ } 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,
+ execute_value_updated,
+ address);
+
+#ifndef DISABLE_DELAYED_RESPONSE
+ if (base->base_type() == M2MBase::Resource) {
+ M2MResource *res = (M2MResource*) base;
+ if (res->delayed_response()) {
+ tr_debug("M2MNsdlInterface::resource_callback_handle_event - final response sent by application");
+ sn_nsdl_release_allocated_coap_msg_mem(_nsdl_handle, coap_response);
+ return 0;
+ }
+ }
+#endif // DISABLE_DELAYED_RESPONSE
+ // Separate response used for POST
+ if (coap_response) {
+ coap_response->msg_type = COAP_MSG_TYPE_CONFIRMABLE;
+ }
+ }
+ } else if (COAP_MSG_CODE_REQUEST_DELETE == received_coap_header->msg_code) {
+ // Delete the object instance
+ M2MBase::BaseType type = base->base_type();
+ if(M2MBase::ObjectInstance == type) {
+ M2MBase* base_object = find_resource(base->uri_path());
+ if(base_object) {
+ M2MObject &object = ((M2MObjectInstance*)base_object)->get_parent_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) {
+ const String 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_error("M2MNsdlInterface::resource_callback_handle_event() - 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);
+ }
+
+ // This copy will be passed to resource instance
+ if (received_coap_header->payload_len > 0 && received_coap_header->payload_ptr) {
+ payload = (uint8_t *) memory_alloc(received_coap_header->payload_len);
+ if (payload) {
+ assert(received_coap_header->payload_ptr);
+ memcpy(payload, received_coap_header->payload_ptr, received_coap_header->payload_len);
+ } else {
+ if (coap_response) {
+ coap_response->msg_code = COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_TOO_LARGE;
+ }
+ }
+ }
+
+#ifdef ENABLE_ASYNC_REST_RESPONSE
+ bool async_request_callback_called = false;
+#endif
+
+ if (coap_response &&
+ coap_response->coap_status != COAP_STATUS_PARSER_BLOCKWISE_MSG_RECEIVING &&
+ coap_response->msg_code != COAP_MSG_CODE_EMPTY) {
+ bool send_response = true;
+
+#ifdef ENABLE_ASYNC_REST_RESPONSE
+ if (base) {
+ if (base->is_async_coap_request_callback_set()) {
+ // In case of error or callback not found go to default response flow
+ if (coap_response->msg_code < COAP_MSG_CODE_RESPONSE_BAD_REQUEST) {
+ M2MBase::Operation operation = operation_for_message_code(received_coap_header->msg_code);
+ tr_debug("M2MNsdlInterface::resource_callback_handle_event - final response sent by application for "
+ "operation 0x%x", operation);
+ base->call_async_coap_request_callback(received_coap_header,
+ operation,
+ async_request_callback_called);
+
+ // Response sent by the application
+ if (async_request_callback_called) {
+ send_response = false;
+ result = 0;
+ } else {
+ tr_error("M2MNsdlInterface::resource_callback_handle_event - async callback not called!");
+ }
+ } else {
+ remove_item_from_response_list(base->uri_path(), UNDEFINED_MSG_ID);
+ }
+ }
+ }
+#endif //ENABLE_ASYNC_REST_RESPONSE
+
+ // Send CoAP response only for methods which are not handled by application
+ if (send_response) {
+ (sn_nsdl_send_coap_message(_nsdl_handle, address, coap_response) == 0) ? result = 0 : result = 1;
+ }
+
+ free(coap_response->payload_ptr);
+ coap_response->payload_ptr = NULL;
+
+ // See if there any pending notification to be sent after resource is subscribed.
+ if (subscribed) {
+ _notification_handler->send_notification(this);
+ }
+ }
+
+ // If the external blockwise storing is enabled call value updated only when all blocks have been received
+ if (execute_value_updated &&
+ coap_response &&
+ coap_response->coap_status != COAP_STATUS_PARSER_BLOCKWISE_MSG_RECEIVING &&
+ coap_response->msg_code < COAP_MSG_CODE_RESPONSE_BAD_REQUEST) {
+ if ((COAP_MSG_CODE_REQUEST_PUT == received_coap_header->msg_code) &&
+ (base->base_type() == M2MBase::Resource ||
+ base->base_type() == M2MBase::ResourceInstance)) {
+ M2MResourceBase* res = (M2MResourceBase*)base;
+
+#ifdef ENABLE_ASYNC_REST_RESPONSE
+ if (!async_request_callback_called) {
+#endif
+ // Clear the old resource value since the data is now passed to application
+ if (res->block_message() && res->block_message()->is_block_message()) {
+ res->clear_value();
+ } else {
+ // Ownership of payload moved to resource, skip the freeing.
+ free_payload = false;
+ res->set_value_raw(payload, received_coap_header->payload_len);
+ }
+#ifdef ENABLE_ASYNC_REST_RESPONSE
+ }
+#endif
+ }
+ if (coap_response->msg_code != COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_TOO_LARGE) {
+ value_updated(base);
+ }
+ }
+
+ if (free_payload) {
+ free(payload);
+ }
+
+ sn_nsdl_release_allocated_coap_msg_mem(_nsdl_handle, coap_response);
+
+ return result;
+}
+
+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()");
+ _registration_timer.stop_timer();
+ _nsdl_execution_timer.stop_timer();
+ _nsdl_execution_timer_running = false;
+ _bootstrap_id = 0;
+ _nsdl_handle->update_register_token = 0;
+ _nsdl_handle->unregister_token = 0;
+ _download_retry_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++;
+ send_coap_ping();
+ } else if((M2MTimerObserver::Registration) == type &&
+ (is_unregister_ongoing() == false) &&
+ (is_update_register_ongoing() == false)) {
+ tr_debug("M2MNsdlInterface::timer_expired - Send update registration");
+ if (!send_update_registration()) {
+ // Most likely case would be memory allocation failure
+ _observer.registration_error(M2MInterface::MemoryFail, false);
+ }
+ } else if (M2MTimerObserver::RetryTimer == type) {
+ send_pending_request();
+ }
+}
+
+bool M2MNsdlInterface::observation_to_be_sent(M2MBase *object,
+ uint16_t obs_number,
+ const m2m::Vector<uint16_t> &changed_instance_ids,
+ bool send_object)
+{
+ claim_mutex();
+
+ if (object && _nsdl_execution_timer_running && _registered) {
+ tr_debug("M2MNsdlInterface::observation_to_be_sent() uri %s", object->uri_path());
+
+ if (!_notification_send_ongoing) {
+ _notification_send_ongoing = true;
+ object->report_handler()->set_notification_in_queue(false);
+ M2MBase::BaseType type = object->base_type();
+
+ if (type == M2MBase::Object) {
+ send_object_observation(static_cast<M2MObject*> (object),
+ obs_number,
+ changed_instance_ids,
+ send_object);
+ } else if (type == M2MBase::ObjectInstance) {
+ send_object_instance_observation(static_cast<M2MObjectInstance*> (object), obs_number);
+ } else if (type == M2MBase::Resource) {
+ send_resource_observation(static_cast<M2MResource*> (object), obs_number);
+ }
+
+ release_mutex();
+ return true;
+ } else {
+ tr_info("M2MNsdlInterface::observation_to_be_sent() - send already in progress");
+ }
+ } else {
+ tr_info("M2MNsdlInterface::observation_to_be_sent() - object NULL, in reconnection mode or not registered");
+ }
+
+ release_mutex();
+
+ return false;
+}
+
+#ifndef DISABLE_DELAYED_RESPONSE
+void M2MNsdlInterface::send_delayed_response(M2MBase *base)
+{
+ claim_mutex();
+ tr_debug("M2MNsdlInterface::send_delayed_response()");
+ M2MResource *resource = NULL;
+ if(base) {
+ if(M2MBase::Resource == base->base_type()) {
+ resource = static_cast<M2MResource *> (base);
+ }
+ if(resource) {
+ coap_response_s* resp = find_delayed_response(resource->uri_path(), M2MBase::DELAYED_POST_RESPONSE);
+ // If there is no response it means that this API is called
+ // before actual POST request has received the device
+ if (resp) {
+ sn_coap_hdr_s coap_response;
+
+ memset(&coap_response,0,sizeof(sn_coap_hdr_s));
+
+ coap_response.msg_type = COAP_MSG_TYPE_CONFIRMABLE;
+ coap_response.msg_code = COAP_MSG_CODE_RESPONSE_CHANGED;
+ resource->get_delayed_token(coap_response.token_ptr,coap_response.token_len);
+
+ uint32_t length = 0;
+ resource->get_value(coap_response.payload_ptr, length);
+ coap_response.payload_len = length;
+
+ if (sn_nsdl_send_coap_message(_nsdl_handle, &_nsdl_handle->server_address, &coap_response) >= 0) {
+ // Update msgid, this will be used to track server response
+ resp->msg_id = coap_response.msg_id;
+ base->send_message_delivery_status(*base, M2MBase::MESSAGE_STATUS_SENT, M2MBase::DELAYED_POST_RESPONSE);
+ } else {
+ // Failed to create a message
+ base->send_message_delivery_status(*base, M2MBase::MESSAGE_STATUS_SEND_FAILED, M2MBase::DELAYED_POST_RESPONSE);
+ // Remove stored response from the list
+ remove_item_from_response_list(resource->uri_path(), UNDEFINED_MSG_ID);
+ }
+
+ free(coap_response.payload_ptr);
+ free(coap_response.token_ptr);
+ } else {
+ tr_error("M2MNsdlInterface::send_delayed_response() - request not in list!");
+ }
+ }
+ }
+ release_mutex();
+}
+#endif //DISABLE_DELAYED_RESPONSE
+
+#ifdef ENABLE_ASYNC_REST_RESPONSE
+void M2MNsdlInterface::send_asynchronous_response(M2MBase *base,
+ const uint8_t *payload,
+ size_t payload_len,
+ const uint8_t *token,
+ const uint8_t token_len,
+ coap_response_code_e code)
+{
+ claim_mutex();
+ tr_debug("M2MNsdlInterface::send_asynchronous_response() %s", base->uri_path());
+ if (base) {
+ coap_response_s* resp = find_delayed_response(base->uri_path(), M2MBase::DELAYED_RESPONSE);
+ // If there is no response it means that this API is called
+ // before actual GET/PUT/POST request has been received in the device.
+ if (resp) {
+ sn_coap_hdr_s *coap_response = (sn_coap_hdr_s *) memory_alloc(sizeof(sn_coap_hdr_s));
+ bool msg_sent = false;
+ if (coap_response) {
+ memset(coap_response, 0, sizeof(sn_coap_hdr_s));
+
+ coap_response->msg_type = COAP_MSG_TYPE_CONFIRMABLE;
+ coap_response->msg_code = (sn_coap_msg_code_e) code;
+ coap_response->token_ptr = (uint8_t*)token;
+ coap_response->token_len = token_len;
+ coap_response->payload_ptr = (uint8_t*)payload;
+ coap_response->payload_len = payload_len;
+
+ if (sn_nsdl_send_coap_message(_nsdl_handle, &_nsdl_handle->server_address, coap_response) >= 0) {
+ // Update msgid, this will be used to track server response
+ resp->msg_id = coap_response->msg_id;
+ base->send_message_delivery_status(*base, M2MBase::MESSAGE_STATUS_SENT, M2MBase::DELAYED_RESPONSE);
+ msg_sent = true;
+ if (M2MBase::is_blockwise_needed(_nsdl_handle, payload_len)) {
+ resp->blockwise_used = true;
+ }
+ }
+
+ coap_response->token_ptr = NULL;
+ coap_response->payload_ptr = NULL;
+ sn_nsdl_release_allocated_coap_msg_mem(_nsdl_handle, coap_response);
+ }
+
+ if (!msg_sent) {
+ // Failed to create a message
+ base->send_message_delivery_status(*base, M2MBase::MESSAGE_STATUS_SEND_FAILED, M2MBase::DELAYED_RESPONSE);
+ // Remove stored response from the list
+ remove_item_from_response_list(base->uri_path(), UNDEFINED_MSG_ID);
+ }
+
+ } else {
+ tr_error("M2MNsdlInterface::send_delayed_response() - request not in list!");
+ }
+
+ }
+ release_mutex();
+}
+#endif //ENABLE_ASYNC_REST_RESPONSE
+
+void M2MNsdlInterface::resource_to_be_deleted(M2MBase *base)
+{
+ tr_debug("M2MNsdlInterface::resource_to_be_deleted() %p", base);
+ claim_mutex();
+ remove_nsdl_resource(base);
+#if !defined(DISABLE_DELAYED_RESPONSE) || defined(ENABLE_ASYNC_REST_RESPONSE)
+ remove_items_from_response_list_for_uri(base->uri_path());
+#endif
+ // Since the M2MObject's are stored in _base_list, they need to be removed from there also.
+ if (base && base->base_type() == M2MBase::Object) {
+ remove_object(base);
+ }
+
+ release_mutex();
+}
+
+void M2MNsdlInterface::value_updated(M2MBase *base)
+{
+ tr_debug("M2MNsdlInterface::value_updated()");
+ String name;
+ if(base) {
+ switch(base->base_type()) {
+ case M2MBase::Object:
+ create_nsdl_object_structure(static_cast<M2MObject*> (base));
+ name = base->name();
+ break;
+ case M2MBase::ObjectInstance:
+ create_nsdl_object_instance_structure(static_cast<M2MObjectInstance*> (base));
+ name = static_cast<M2MObjectInstance*> (base)->get_parent_object().name();
+ break;
+ case M2MBase::Resource: {
+ M2MResource* resource = static_cast<M2MResource*> (base);
+ create_nsdl_resource_structure(resource, resource->supports_multiple_instances());
+ name = base->name();
+ break;
+ }
+ case M2MBase::ResourceInstance: {
+ M2MResourceInstance* instance = static_cast<M2MResourceInstance*> (base);
+ create_nsdl_resource(instance);
+ name = static_cast<M2MResourceInstance*> (base)->get_parent_resource().name();
+ break;
+ }
+#ifdef MBED_CLOUD_CLIENT_EDGE_EXTENSION
+ case M2MBase::ObjectDirectory:
+ tr_error("M2MNsdlInterface::value_updated() - unsupported ObjectDirectory base type!");
+ return;
+#endif
+ }
+ }
+
+ if (base && base->is_value_updated_function_set()) {
+ base->execute_value_updated(name);
+ }
+ else {
+ _observer.value_updated(base);
+ }
+}
+
+void M2MNsdlInterface::remove_object(M2MBase *object)
+{
+ claim_mutex();
+ tr_debug("M2MNsdlInterface::remove_object() %p", object);
+ M2MObject* rem_object = static_cast<M2MObject*> (object);
+ if(rem_object && !_base_list.empty()) {
+ M2MBaseList::const_iterator it;
+ it = _base_list.begin();
+ int index = 0;
+ for ( ; it != _base_list.end(); it++, index++ ) {
+ if((*it)->base_type() == M2MBase::Object && (*it) == rem_object) {
+ _base_list.erase(index);
+ break;
+ }
+ }
+ }
+ release_mutex();
+}
+
+bool M2MNsdlInterface::create_nsdl_structure(M2MBase *base)
+{
+ tr_debug("M2MNsdlInterface::create_nsdl_structure()");
+ bool success = false;
+ if(base) {
+ switch (base->base_type()) {
+#ifdef MBED_CLOUD_CLIENT_EDGE_EXTENSION
+ case M2MBase::ObjectDirectory:
+ success = create_nsdl_endpoint_structure((M2MEndpoint*)base);
+ break;
+#endif
+ case M2MBase::Object:
+ success = create_nsdl_object_structure((M2MObject*)base);
+ break;
+ default:
+ break;
+ }
+ }
+ return success;
+}
+
+#ifdef MBED_CLOUD_CLIENT_EDGE_EXTENSION
+bool M2MNsdlInterface::create_nsdl_endpoint_structure(M2MEndpoint *endpoint)
+{
+ tr_debug("M2MNsdlInterface::create_nsdl_endpoint_structure()");
+ bool success = false;
+ if(endpoint) {
+ success = true;
+ if (endpoint->get_changed()) {
+ const M2MObjectList &object_list = endpoint->objects();
+ tr_debug("M2MNsdlInterface::create_nsdl_endpoint_structure - Object count %d", object_list.size());
+ if(!endpoint->is_deleted() && !object_list.empty()) {
+ M2MObjectList::const_iterator it;
+ it = object_list.begin();
+ for ( ; it != object_list.end(); it++ ) {
+ // Create NSDL structure for all object instances inside
+ success = create_nsdl_object_structure(*it);
+ }
+ }
+ if (!create_nsdl_resource(endpoint)) {
+ success = false;
+ }
+ endpoint->clear_changed();
+ }
+ }
+ return success;
+}
+#endif
+
+bool M2MNsdlInterface::create_nsdl_object_structure(M2MObject *object)
+{
+ bool success = false;
+ if (object) {
+ const M2MObjectInstanceList &instance_list = object->instances();
+ 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 (!success) {
+ tr_error("M2MNsdlInterface::create_nsdl_object_structure - fail to create resource");
+ return false;
+ }
+ }
+ }
+ }
+
+ // If marked as NOT_ALLOWED then there is no need to
+ // create nsdl resource at all since it will not be published to mds
+ if (object && object->operation() != M2MBase::NOT_ALLOWED) {
+ success = create_nsdl_resource(object);
+ } else {
+ success = true;
+ }
+
+ return success;
+}
+
+bool M2MNsdlInterface::create_nsdl_object_instance_structure(M2MObjectInstance *object_instance)
+{
+ bool success = false;
+
+ if (object_instance) {
+ const M2MResourceList &res_list = object_instance->resources();
+ 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, (*it)->supports_multiple_instances());
+ if (!success) {
+ tr_error("M2MNsdlInterface::create_nsdl_object_instance_structure - fail to create resource");
+ return false;
+ }
+ }
+ }
+
+ // If marked as NOT_ALLOWED then there is no need to
+ // create nsdl resource at all since it will not be published to mds
+ if (object_instance->operation() != M2MBase::NOT_ALLOWED) {
+ success = create_nsdl_resource(object_instance);
+ } else {
+ success = true;
+ }
+ }
+
+ return success;
+}
+
+bool M2MNsdlInterface::create_nsdl_resource_structure(M2MResource *res,
+ bool multiple_instances)
+{
+ bool success = false;
+ if (res) {
+ // if there are multiple instances supported
+ if (multiple_instances) {
+ const M2MResourceInstanceList &res_list = res->resource_instances();
+ if (!res_list.empty()) {
+ M2MResourceInstanceList::const_iterator it;
+ it = res_list.begin();
+ for ( ; it != res_list.end(); it++ ) {
+ success = create_nsdl_resource((*it));
+ if (!success) {
+ tr_error("M2MNsdlInterface::create_nsdl_resource_structure - instance creation failed");
+ return false;
+ }
+ }
+ // Register the main Resource as well along with ResourceInstances
+ success = create_nsdl_resource(res);
+ }
+ } else {
+ success = create_nsdl_resource(res);
+ }
+ }
+ return success;
+}
+
+bool M2MNsdlInterface::create_nsdl_resource(M2MBase *base)
+{
+ claim_mutex();
+ bool success = false;
+
+ if (base) {
+ int8_t result = 0;
+ sn_nsdl_dynamic_resource_parameters_s* nsdl_resource = base->get_nsdl_resource();
+
+ // needed on deletion
+ if (base->observation_handler() == NULL) {
+ base->set_observation_handler(this);
+ }
+
+ result = sn_nsdl_put_resource(_nsdl_handle, nsdl_resource);
+
+ // Put under observation if auto-obs feature is set.
+ if (nsdl_resource &&
+ nsdl_resource->auto_observable &&
+ result != SN_GRS_RESOURCE_ALREADY_EXISTS) {
+ base->set_under_observation(true, base->observation_handler());
+
+ // Increment auto-obs token to be unique in every object
+ _auto_obs_token++;
+ if (_auto_obs_token > AUTO_OBS_TOKEN_MAX) {
+ _auto_obs_token = 1;
+ }
+
+ // Store token in big-endian byte order
+ uint8_t token[sizeof(uint16_t)];
+ common_write_16_bit(_auto_obs_token, token);
+ base->set_observation_token(token, sizeof(uint16_t));
+
+ switch (base->base_type()) {
+ case M2MBase::Object:
+ base->add_observation_level(M2MBase::O_Attribute);
+ break;
+
+ case M2MBase::ObjectInstance:
+ base->add_observation_level(M2MBase::OI_Attribute);
+ break;
+
+ case M2MBase::Resource:
+ case M2MBase::ResourceInstance:
+ base->add_observation_level(M2MBase::R_Attribute);
+ break;
+#ifdef MBED_CLOUD_CLIENT_EDGE_EXTENSION
+ case M2MBase::ObjectDirectory:
+ break;
+#endif
+ }
+ }
+#ifdef MBED_CLOUD_CLIENT_EDGE_EXTENSION
+ else if (base->base_type() == M2MBase::ObjectDirectory) {
+ M2MEndpoint *endpoint = (M2MEndpoint*) base;
+ if (endpoint->is_deleted()) {
+ sn_nsdl_dynamic_resource_parameters_s *nsdl_resource = endpoint->get_nsdl_resource();
+ nsdl_resource->registered = SN_NDSL_RESOURCE_DELETE;
+ }
+ }
+#endif
+
+ // Either the resource is created or it already
+ // exists , then result is success.
+ if (result == 0 ||
+ result == SN_GRS_RESOURCE_ALREADY_EXISTS){
+ success = true;
+ }
+ }
+
+ release_mutex();
+ return success;
+}
+
+// convenience method to get the URI from its buffer field...
+String M2MNsdlInterface::coap_to_string(const uint8_t *coap_data, int coap_data_length)
+{
+ String value;
+ if (coap_data != NULL && coap_data_length > 0) {
+ value.append_raw((char *)coap_data,coap_data_length);
+ }
+ return value;
+}
+
+uint64_t M2MNsdlInterface::registration_time() const
+{
+ uint64_t value = 0;
+ if(_endpoint) {
+ value = _server->resource_value_int(M2MServer::Lifetime);
+ }
+ if(value < MINIMUM_REGISTRATION_TIME) {
+ tr_warn("M2MNsdlInterface::registration_time - stored value in resource (in seconds) %" PRIu64, value);
+ value = MINIMUM_REGISTRATION_TIME;
+ }
+
+ if(value >= OPTIMUM_LIFETIME) {
+ value = value - REDUCE_LIFETIME;
+ } else {
+ value = REDUCTION_FACTOR * value;
+ }
+ tr_debug("M2MNsdlInterface::registration_time - value (in seconds) %" PRIu64, value);
+ return value;
+}
+
+M2MBase* M2MNsdlInterface::find_resource(const String &object_name) const
+{
+ tr_debug("M2MNsdlInterface::find_resource(object level) - from %p name (%s) ", this, object_name.c_str());
+ M2MObject *current = NULL;
+ M2MBase *found = NULL;
+ if(!_base_list.empty()) {
+ M2MBaseList::const_iterator it;
+ it = _base_list.begin();
+ for ( ; it != _base_list.end(); it++ ) {
+ if ((*it)->base_type() == M2MBase::Object) {
+ current = (M2MObject*)*it;
+ tr_debug("M2MNsdlInterface::find_resource(object level) - path (%s)",
+ (char*)current->uri_path());
+ if (strcmp((char*)current->uri_path(), object_name.c_str()) == 0) {
+ found = current;
+ tr_debug("M2MNsdlInterface::find_resource(%s) found", object_name.c_str());
+ break;
+ }
+
+ found = find_resource(current, object_name);
+ if(found != NULL) {
+ break;
+ }
+ }
+#ifdef MBED_CLOUD_CLIENT_EDGE_EXTENSION
+ else if ((*it)->base_type() == M2MBase::ObjectDirectory) {
+ M2MEndpoint *ep = (M2MEndpoint*)*it;
+ if(!strcmp((char*)(*it)->uri_path(), object_name.c_str())) {
+ found = NULL;
+ break;
+ } else {
+ found = find_resource(ep, object_name);
+ }
+ if(found != NULL) {
+ break;
+ }
+ }
+#endif
+ }
+ }
+ return found;
+}
+
+#ifdef MBED_CLOUD_CLIENT_EDGE_EXTENSION
+M2MBase* M2MNsdlInterface::find_resource(const M2MEndpoint *endpoint,
+ const String &object_name) const
+{
+ tr_debug("M2MNsdlInterface::find_resource(endpoint level) - name (%s)", object_name.c_str());
+ M2MBase *object = NULL;
+ if(endpoint) {
+ const M2MObjectList &list = endpoint->objects();
+ if(!list.empty()) {
+ M2MObjectList::const_iterator it;
+ it = list.begin();
+ for ( ; it != list.end(); it++ ) {
+ if (!strcmp((char*)(*it)->uri_path(), object_name.c_str())) {
+ tr_debug("M2MNsdlInterface::find_resource(endpoint level) - object %p object name (%s)",
+ object, object_name.c_str());
+ object = (*it);
+ break;
+ }
+
+ object = find_resource((*it),object_name);
+ if(object != NULL){
+ break;
+ }
+ }
+ }
+ }
+ return object;
+}
+#endif
+
+M2MBase* M2MNsdlInterface::find_resource(const M2MObject *object,
+ const String &object_instance) const
+{
+ M2MBase *instance = NULL;
+ if(object) {
+ const M2MObjectInstanceList &list = object->instances();
+ if(!list.empty()) {
+ M2MObjectInstanceList::const_iterator it;
+ it = list.begin();
+ for ( ; it != list.end(); it++ ) {
+ if(!strcmp((char*)(*it)->uri_path(), object_instance.c_str())){
+ instance = (*it);
+ tr_debug("M2MNsdlInterface::find_resource(object instance level) - found (%s)",
+ (char*)(*it)->uri_path());
+ 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) const
+{
+ M2MBase *instance = NULL;
+ if(object_instance) {
+ const M2MResourceList &list = object_instance->resources();
+ if(!list.empty()) {
+ M2MResourceList::const_iterator it;
+ it = list.begin();
+ for ( ; it != list.end(); it++ ) {
+ if(!strcmp((char*)(*it)->uri_path(), resource_instance.c_str())) {
+ instance = *it;
+ break;
+ }
+ else if((*it)->supports_multiple_instances()) {
+ instance = find_resource((*it), (*it)->uri_path(),
+ resource_instance);
+ if(instance != NULL){
+ break;
+ }
+ }
+ }
+ }
+ }
+ return instance;
+}
+
+M2MBase* M2MNsdlInterface::find_resource(const M2MResource *resource,
+ const String &object_name,
+ const String &resource_instance) const
+{
+ M2MBase *res = NULL;
+ if(resource) {
+ if(resource->supports_multiple_instances()) {
+ const M2MResourceInstanceList &list = resource->resource_instances();
+ if(!list.empty()) {
+ M2MResourceInstanceList::const_iterator it;
+ it = list.begin();
+ for ( ; it != list.end(); it++ ) {
+ if(!strcmp((char*)(*it)->uri_path(), resource_instance.c_str())){
+ res = (*it);
+ break;
+ }
+ }
+ }
+ }
+ }
+ return res;
+}
+
+bool M2MNsdlInterface::object_present(M2MBase* base) const
+{
+ bool success = false;
+ if(base && !_base_list.empty()) {
+ M2MBaseList::const_iterator it;
+ it = _base_list.begin();
+ for ( ; it != _base_list.end(); it++ ) {
+ if((*it) == base) {
+ success = true;
+ break;
+ }
+ }
+ }
+ return success;
+}
+
+int M2MNsdlInterface::object_index(M2MBase* base) const
+{
+ int found_index = -1;
+ int index;
+ if(base && !_base_list.empty()) {
+ M2MBaseList::const_iterator it;
+
+ for (it = _base_list.begin(), index = 0; it != _base_list.end(); it++, index++) {
+ if((*it) == base) {
+ found_index = index;
+ break;
+ }
+ }
+ }
+ return found_index;
+}
+
+
+bool M2MNsdlInterface::add_object_to_list(M2MBase* object)
+{
+ tr_debug("M2MNsdlInterface::add_object_to_list this=%p object=%p", this, object);
+ bool success = false;
+ if(object && !object_present(object)) {
+ _base_list.push_back(object);
+ success = true;
+ }
+ return success;
+}
+
+bool M2MNsdlInterface::remove_object_from_list(M2MBase* object)
+{
+ tr_debug("M2MNsdlInterface::remove_object_from_list this=%p object=%p", this, object);
+ bool success = false;
+ int index;
+ if(object && (-1 != (index = object_index(object)))) {
+ tr_debug(" object found at index %d", index);
+ _base_list.erase(index);
+ success = true;
+ }
+ return success;
+}
+
+M2MInterface::Error M2MNsdlInterface::interface_error(const sn_coap_hdr_s &coap_header)
+{
+ M2MInterface::Error error;
+ 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 ||
+ coap_header.coap_status == COAP_STATUS_BUILDER_BLOCK_SENDING_FAILED) {
+ error = M2MInterface::NetworkError;
+ }
+ return error;
+}
+
+const char *M2MNsdlInterface::coap_error(const sn_coap_hdr_s &coap_header)
+{
+ if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_BAD_REQUEST) {
+ return COAP_ERROR_REASON_1;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_BAD_OPTION) {
+ return COAP_ERROR_REASON_2;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_INCOMPLETE) {
+ return COAP_ERROR_REASON_3;
+ }else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_PRECONDITION_FAILED) {
+ return COAP_ERROR_REASON_4;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_TOO_LARGE) {
+ return COAP_ERROR_REASON_5;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_UNSUPPORTED_CONTENT_FORMAT) {
+ return COAP_ERROR_REASON_6;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_UNAUTHORIZED) {
+ return COAP_ERROR_REASON_7;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_FORBIDDEN) {
+ return COAP_ERROR_REASON_8;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_NOT_ACCEPTABLE) {
+ return COAP_ERROR_REASON_9;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_NOT_FOUND) {
+ return COAP_ERROR_REASON_10;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED) {
+ return COAP_ERROR_REASON_11;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_SERVICE_UNAVAILABLE) {
+ return COAP_ERROR_REASON_13;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_INTERNAL_SERVER_ERROR) {
+ return COAP_ERROR_REASON_14;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_BAD_GATEWAY) {
+ return COAP_ERROR_REASON_15;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_GATEWAY_TIMEOUT) {
+ return COAP_ERROR_REASON_16;
+ } else if (coap_header.msg_code == COAP_MSG_CODE_RESPONSE_PROXYING_NOT_SUPPORTED) {
+ return COAP_ERROR_REASON_17;
+ } else if (coap_header.coap_status == COAP_STATUS_BUILDER_MESSAGE_SENDING_FAILED ||
+ coap_header.coap_status == COAP_STATUS_BUILDER_BLOCK_SENDING_FAILED) {
+ return COAP_ERROR_REASON_12;
+ }
+ return COAP_NO_ERROR;
+}
+
+void M2MNsdlInterface::send_object_observation(M2MObject *object,
+ uint16_t obs_number,
+ const m2m::Vector<uint16_t> &changed_instance_ids,
+ bool send_object)
+{
+ tr_info("M2MNsdlInterface::send_object_observation");
+ if(object) {
+ uint8_t *value = 0;
+ uint32_t length = 0;
+ uint8_t token[MAX_TOKEN_SIZE];
+ uint8_t token_length = 0;
+
+ // Send whole object structure
+ if (send_object) {
+ value = M2MTLVSerializer::serialize(object->instances(), length);
+ }
+ // Send only changed object instances
+ else {
+ M2MObjectInstanceList list;
+ Vector<uint16_t>::const_iterator it;
+ it = changed_instance_ids.begin();
+ for (; it != changed_instance_ids.end(); it++){
+ M2MObjectInstance* obj_instance = object->object_instance(*it);
+ if (obj_instance){
+ list.push_back(obj_instance);
+ }
+ }
+ if (!list.empty()) {
+ value = M2MTLVSerializer::serialize(list, length);
+ list.clear();
+ }
+ }
+
+ object->get_observation_token((uint8_t*)&token,token_length);
+
+ object->report_handler()->set_blockwise_notify(M2MBase::is_blockwise_needed(_nsdl_handle, length));
+
+ int32_t msgid = sn_nsdl_send_observation_notification(_nsdl_handle, token, token_length, value, length,
+ sn_coap_observe_e(obs_number), COAP_MSG_TYPE_CONFIRMABLE,
+ sn_coap_content_format_e(object->coap_content_type()), -1);
+ execute_notification_delivery_status_cb(object, msgid);
+
+ memory_free(value);
+ }
+}
+
+void M2MNsdlInterface::send_object_instance_observation(M2MObjectInstance *object_instance,
+ uint16_t obs_number)
+{
+ tr_info("M2MNsdlInterface::send_object_instance_observation");
+ if(object_instance) {
+ uint8_t *value = 0;
+ uint32_t length = 0;
+ uint8_t token[MAX_TOKEN_SIZE];
+ uint8_t token_length = 0;
+
+ value = M2MTLVSerializer::serialize(object_instance->resources(), length);
+
+ object_instance->get_observation_token((uint8_t*)&token,token_length);
+
+ object_instance->report_handler()->set_blockwise_notify(M2MBase::is_blockwise_needed(_nsdl_handle, length));
+
+ int32_t msgid = sn_nsdl_send_observation_notification(_nsdl_handle, token, token_length, value, length,
+ sn_coap_observe_e(obs_number), COAP_MSG_TYPE_CONFIRMABLE,
+ sn_coap_content_format_e(object_instance->coap_content_type()), -1);
+
+ execute_notification_delivery_status_cb(object_instance, msgid);
+
+
+ memory_free(value);
+ }
+}
+
+void M2MNsdlInterface::send_resource_observation(M2MResource *resource,
+ uint16_t obs_number)
+{
+ if(resource) {
+ tr_info("M2MNsdlInterface::send_resource_observation - uri %s", resource->uri_path());
+ uint8_t *value = 0;
+ uint32_t length = 0;
+ uint8_t token[MAX_TOKEN_SIZE];
+ uint8_t token_length = 0;
+
+ resource->get_observation_token((uint8_t*)token,token_length);
+ uint16_t content_type = resource->coap_content_type();
+ if (M2MResourceBase::OPAQUE == resource->resource_instance_type()) {
+ content_type = COAP_CONTENT_OMA_OPAQUE_TYPE;
+ }
+
+ if (resource->resource_instance_count() > 0 || content_type == COAP_CONTENT_OMA_TLV_TYPE) {
+ value = M2MTLVSerializer::serialize(resource, length);
+ } else {
+ resource->get_value(value,length);
+ }
+
+ resource->report_handler()->set_blockwise_notify(M2MBase::is_blockwise_needed(_nsdl_handle, length));
+
+ int32_t msgid = sn_nsdl_send_observation_notification(_nsdl_handle, token, token_length, value, length,
+ sn_coap_observe_e(obs_number),
+ COAP_MSG_TYPE_CONFIRMABLE,
+ sn_coap_content_format_e(content_type), -1);
+ execute_notification_delivery_status_cb(resource, msgid);
+
+ memory_free(value);
+ }
+}
+nsdl_s * M2MNsdlInterface::get_nsdl_handle() const
+{
+ return _nsdl_handle;
+}
+
+void M2MNsdlInterface::handle_bootstrap_put_message(sn_coap_hdr_s *coap_header,
+ sn_nsdl_addr_s *address) {
+#ifndef M2M_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_info("M2MNsdlInterface::handle_bootstrap_put_message");
+ uint8_t response_code = COAP_MSG_CODE_RESPONSE_CHANGED;
+ sn_coap_hdr_s *coap_response = NULL;
+ bool success = false;
+ uint16_t content_type = 0;
+ char buffer[MAX_ALLOWED_ERROR_STRING_LENGTH];
+ buffer[0] = '\0';
+ M2MNsdlInterface::ObjectType object_type = M2MNsdlInterface::SECURITY;
+
+ if (!_security) {
+ _security = M2MSecurity::get_instance();
+ }
+
+ String resource_name = coap_to_string(coap_header->uri_path_ptr,
+ coap_header->uri_path_len);
+ tr_debug("M2MNsdlInterface::handle_bootstrap_put_message - object path %s", resource_name.c_str());
+
+ // Security object
+ if (resource_name.compare(0,1,"0") == 0) {
+ object_type = M2MNsdlInterface::SECURITY;
+ success = true;
+ }
+ // Server object
+ else if (resource_name.compare(0,1,"1") == 0) {
+ object_type = M2MNsdlInterface::SERVER;
+ success = true;
+ }
+ // Device object
+ else if (resource_name.compare(0,1,"3") == 0) {
+ M2MDevice* dev = M2MInterfaceFactory::create_device();
+ // Not mandatory resource, that's why it must be created first
+ M2MResource *res = dev->create_resource(M2MDevice::CurrentTime, 0);
+ if (res) {
+ res->set_auto_observable(true);
+ }
+ object_type = M2MNsdlInterface::DEVICE;
+ success = true;
+ }
+
+ if (success) {
+ if(coap_header->content_format != COAP_CT_NONE) {
+ content_type = coap_header->content_format;
+ }
+
+ if (content_type != COAP_CONTENT_OMA_TLV_TYPE &&
+ content_type != COAP_CONTENT_OMA_TLV_TYPE_OLD) {
+ tr_error("M2MNsdlInterface::handle_bootstrap_put_message - content_type %d", content_type);
+ success = false;
+ }
+ // Parse TLV message and check is the object valid
+ if (success) {
+ change_operation_mode(_security, M2MBase::PUT_ALLOWED);
+ success = parse_bootstrap_message(coap_header, object_type);
+ if (success && object_type == M2MNsdlInterface::SECURITY) {
+ success = validate_security_object();
+ if (!success) {
+ const char *desc = "Invalid security object";
+ if (strlen(ERROR_REASON_22) + strlen(desc) <= MAX_ALLOWED_ERROR_STRING_LENGTH) {
+ snprintf(buffer, sizeof(buffer), ERROR_REASON_22, desc);
+ }
+ response_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST;
+ }
+ }
+ // Set operation back to default ones
+ if (_security) {
+ change_operation_mode(_security, M2MBase::NOT_ALLOWED);
+ }
+ }
+ }
+
+ if (!success) {
+ response_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST;
+ }
+
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ response_code);
+
+ if (coap_response) {
+ sn_nsdl_send_coap_message(_nsdl_handle, address, coap_response);
+ sn_nsdl_release_allocated_coap_msg_mem(_nsdl_handle, coap_response);
+ }
+
+ if (!success) {
+ // Do not overwrite ERROR_REASON_22
+ if (strlen(buffer) == 0) {
+ if (strlen(ERROR_REASON_20) + resource_name.size() <= MAX_ALLOWED_ERROR_STRING_LENGTH) {
+ snprintf(buffer, sizeof(buffer), ERROR_REASON_20, resource_name.c_str());
+ }
+ }
+ handle_bootstrap_error(buffer, true);
+ }
+#else
+ (void) coap_header;
+ (void) address;
+#endif
+}
+
+bool M2MNsdlInterface::parse_bootstrap_message(sn_coap_hdr_s *coap_header,
+ M2MNsdlInterface::ObjectType lwm2m_object_type)
+{
+#ifndef M2M_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_info("M2MNsdlInterface::parse_bootstrap_message");
+ bool ret = false;
+ bool is_obj_instance = false;
+ uint16_t instance_id = 0;
+ if (_security) {
+ ret = is_obj_instance = M2MTLVDeserializer::is_object_instance(coap_header->payload_ptr);
+ if (!is_obj_instance) {
+ ret = M2MTLVDeserializer::is_resource(coap_header->payload_ptr);
+ }
+ if (ret) {
+ M2MTLVDeserializer::Error error = M2MTLVDeserializer::None;
+ if (is_obj_instance) {
+ M2MObject* dev_object = static_cast<M2MObject*> (M2MInterfaceFactory::create_device());
+
+ switch (lwm2m_object_type) {
+ case M2MNsdlInterface::SECURITY:
+ instance_id = M2MTLVDeserializer::instance_id(coap_header->payload_ptr);
+ if (_security->object_instance(instance_id) == NULL) {
+ tr_debug("M2MNsdlInterface::parse_bootstrap_message - create instance %d", instance_id);
+ _security->create_object_instance(M2MSecurity::M2MServer);
+ change_operation_mode(_security, M2MBase::PUT_ALLOWED);
+ }
+
+ error = M2MTLVDeserializer::deserialise_object_instances(coap_header->payload_ptr,
+ coap_header->payload_len,
+ *_security,
+ M2MTLVDeserializer::Put);
+ break;
+ case M2MNsdlInterface::SERVER:
+ error = M2MTLVDeserializer::deserialise_object_instances(coap_header->payload_ptr,
+ coap_header->payload_len,
+ *_server,
+ M2MTLVDeserializer::Put);
+ break;
+ case M2MNsdlInterface::DEVICE:
+ error = M2MTLVDeserializer::deserialise_object_instances(coap_header->payload_ptr,
+ coap_header->payload_len,
+ *dev_object,
+ M2MTLVDeserializer::Put);
+ break;
+ default:
+ break;
+ }
+ }
+ else {
+ instance_id = M2MTLVDeserializer::instance_id(coap_header->payload_ptr);
+ M2MObjectInstance* instance = NULL;
+ switch (lwm2m_object_type) {
+ case M2MNsdlInterface::SECURITY:
+ instance = _security->object_instance(instance_id);
+ if (instance) {
+ error = M2MTLVDeserializer::deserialize_resources(coap_header->payload_ptr,
+ coap_header->payload_len,
+ *instance,
+ M2MTLVDeserializer::Put);
+ } else {
+ error = M2MTLVDeserializer::NotValid;
+ }
+
+ break;
+ case M2MNsdlInterface::SERVER:
+ instance = _server->object_instance(instance_id);
+ if (instance) {
+ error = M2MTLVDeserializer::deserialize_resources(coap_header->payload_ptr,
+ coap_header->payload_len,
+ *instance,
+ M2MTLVDeserializer::Post);
+ } else {
+ error = M2MTLVDeserializer::NotValid;
+ }
+
+ break;
+ case M2MNsdlInterface::DEVICE:
+ default:
+ break;
+ }
+ }
+
+ if (error != M2MTLVDeserializer::None) {
+ tr_error("M2MNsdlInterface::parse_bootstrap_message - error %d", error);
+ ret = false;
+ }
+ }
+ } else {
+ tr_error("M2MNsdlInterface::parse_bootstrap_message -- no security object!");
+ }
+ return ret;
+#else
+ (void) coap_header;
+ (void) is_security_object;
+ return false;
+#endif
+}
+
+void M2MNsdlInterface::handle_bootstrap_finished(sn_coap_hdr_s *coap_header,sn_nsdl_addr_s *address)
+{
+#ifndef M2M_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ char buffer[MAX_ALLOWED_ERROR_STRING_LENGTH];
+
+ String object_name = coap_to_string(coap_header->uri_path_ptr,
+ coap_header->uri_path_len);
+
+ int32_t m2m_id = -1;
+ // Security object can be null in case messages are coming in wrong order, for example
+ // BS POST is received before BS PUT.
+ if (_security) {
+ m2m_id = _security->get_security_instance_id(M2MSecurity::M2MServer);
+ }
+
+ tr_info("M2MNsdlInterface::handle_bootstrap_finished - path: %s, m2mid: %" PRId32, object_name.c_str(), m2m_id);
+
+#ifndef MBED_CLIENT_DISABLE_EST_FEATURE
+ // In EST mode we must receive iep in uri-query
+ bool est_iep_ok = false;
+ if (m2m_id >= 0 &&
+ _security->resource_value_int(M2MSecurity::SecurityMode, m2m_id) == M2MSecurity::EST) {
+ if (coap_header->options_list_ptr && coap_header->options_list_ptr->uri_query_ptr) {
+ String uri_query = coap_to_string(coap_header->options_list_ptr->uri_query_ptr,
+ coap_header->options_list_ptr->uri_query_len);
+ tr_info("M2MNsdlInterface::handle_bootstrap_finished - query: %s", uri_query.c_str());
+ const char *iep_ptr = NULL;
+ const int iep_len = parse_query_parameter_value_from_query(uri_query.c_str(), QUERY_PARAM_IEP, &iep_ptr);
+ if (iep_ptr && iep_len > 0) {
+ est_iep_ok = true;
+ _internal_endpoint_name.clear();
+ _internal_endpoint_name.append_raw(iep_ptr, iep_len);
+ tr_info("M2MNsdlInterface::handle_bootstrap_finished - iep: %s", _internal_endpoint_name.c_str());
+ }
+ }
+ }
+#endif
+
+ sn_coap_hdr_s *coap_response = NULL;
+ uint8_t msg_code = COAP_MSG_CODE_RESPONSE_CHANGED;
+ // Accept only '/bs' path and check that needed data is in security object
+ if (object_name.size() != 2 ||
+ object_name.compare(0, 2, BOOTSTRAP_URI) != 0) {
+ if (strlen(ERROR_REASON_22) + object_name.size() <= MAX_ALLOWED_ERROR_STRING_LENGTH) {
+ snprintf(buffer, sizeof(buffer), ERROR_REASON_22, object_name.c_str());
+ }
+ msg_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST;
+ }
+#ifndef MBED_CLIENT_DISABLE_EST_FEATURE
+ else if (!est_iep_ok &&
+ m2m_id >= 0 &&
+ _security->resource_value_int(M2MSecurity::SecurityMode, m2m_id) == M2MSecurity::EST) {
+ tr_error("M2MNsdlInterface::handle_bootstrap_finished - EST mode but missing iep parameter!");
+ snprintf(buffer, sizeof(buffer), ERROR_REASON_26);
+ msg_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST;
+ }
+#endif
+ else {
+ // Add short server id to server object
+ if (m2m_id == -1) {
+ snprintf(buffer,sizeof(buffer), ERROR_REASON_4);
+ msg_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST;
+ }
+ else {
+ _server->set_resource_value(M2MServer::ShortServerID,
+ _security->resource_value_int(M2MSecurity::ShortServerID, m2m_id));
+ }
+ }
+
+ // In ok case send response as a separate response
+ if (msg_code == COAP_MSG_CODE_RESPONSE_CHANGED) {
+ send_empty_ack(coap_header, address);
+ // In error case use piggybacked response
+ } else {
+ coap_response = sn_nsdl_build_response(_nsdl_handle, coap_header, msg_code);
+ if (coap_response) {
+ sn_nsdl_send_coap_message(_nsdl_handle, address, coap_response);
+ sn_nsdl_release_allocated_coap_msg_mem(_nsdl_handle, coap_response);
+ }
+
+ handle_bootstrap_error(buffer, true);
+ }
+
+ // Send a event which is responsible of sending the final response
+ if (COAP_MSG_CODE_RESPONSE_CHANGED == msg_code) {
+ bool success = false;
+ sn_coap_hdr_s *coap_message = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ (sn_coap_msg_code_e)msg_code);
+ if (coap_message) {
+ // Switch back to original ep name
+ memory_free(_endpoint->endpoint_name_ptr);
+ _endpoint->endpoint_name_ptr = alloc_string_copy((uint8_t*)_endpoint_name.c_str(), _endpoint_name.length());
+ if (_endpoint->endpoint_name_ptr) {
+ _endpoint->endpoint_name_len = _endpoint_name.length();
+ nsdl_coap_data_s *nsdl_coap_data = create_coap_event_data(coap_message,
+ address,
+ _nsdl_handle,
+ (sn_coap_msg_code_e)msg_code);
+ if (nsdl_coap_data) {
+ success = true;
+ _event.data.event_type = MBED_CLIENT_NSDLINTERFACE_BS_EVENT;
+ _event.data.data_ptr = (void*)nsdl_coap_data;
+ eventOS_event_send_user_allocated(&_event);
+ }
+ }
+ }
+
+ if (!success) {
+ const char *desc = "memory allocation failed";
+ if (strlen(ERROR_REASON_22) + strlen(desc) <= MAX_ALLOWED_ERROR_STRING_LENGTH) {
+ snprintf(buffer, sizeof(buffer), ERROR_REASON_22, desc);
+ }
+
+ handle_bootstrap_error(buffer, true);
+ }
+ }
+#else
+ (void) coap_header;
+ (void) address;
+#endif
+}
+
+void M2MNsdlInterface::handle_bootstrap_delete(sn_coap_hdr_s *coap_header,sn_nsdl_addr_s *address)
+{
+
+#ifndef M2M_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ char buffer[MAX_ALLOWED_ERROR_STRING_LENGTH];
+ memset(buffer,0,sizeof(buffer));
+ sn_coap_hdr_s *coap_response = NULL;
+ uint8_t msg_code = COAP_MSG_CODE_RESPONSE_DELETED;
+ String object_name = coap_to_string(coap_header->uri_path_ptr,
+ coap_header->uri_path_len);
+ tr_info("M2MNsdlInterface::handle_bootstrap_delete - obj %s", object_name.c_str());
+ if(!_identity_accepted) {
+ tr_warn("M2MNsdlInterface::handle_bootstrap_delete - Message received out-of-order - IGNORE");
+ return;
+ }
+ // Only following paths are accepted, 0, 0/0
+ else if (object_name.size() == 2 || object_name.size() > 3) {
+ if (strlen(ERROR_REASON_21) + object_name.size() <= MAX_ALLOWED_ERROR_STRING_LENGTH) {
+ snprintf(buffer, sizeof(buffer), ERROR_REASON_21,object_name.c_str());
+ }
+ msg_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST;
+ }
+ else if ((object_name.size() == 1 && object_name.compare(0,1,"0") != 0) ||
+ (object_name.size() == 3 && object_name.compare(0,3,"0/0") != 0)) {
+ if (strlen(ERROR_REASON_21) + object_name.size() <= MAX_ALLOWED_ERROR_STRING_LENGTH) {
+ snprintf(buffer, sizeof(buffer), ERROR_REASON_21, object_name.c_str());
+ }
+ msg_code = COAP_MSG_CODE_RESPONSE_BAD_REQUEST;
+ }
+
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ msg_code);
+
+ if(coap_response) {
+ sn_nsdl_send_coap_message(_nsdl_handle, address, coap_response);
+ sn_nsdl_release_allocated_coap_msg_mem(_nsdl_handle, coap_response);
+ if(_security) {
+ _security->clear_resources();
+ }
+ }
+ if (!coap_response || COAP_MSG_CODE_RESPONSE_DELETED != msg_code) {
+ handle_bootstrap_error(buffer, true);
+ }
+#else
+ (void) coap_header;
+ (void) address;
+#endif
+}
+
+bool M2MNsdlInterface::validate_security_object()
+{
+ bool valid = false;
+#ifndef M2M_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ const M2MObjectInstanceList &instances = _security->instances();
+ M2MObjectInstanceList::const_iterator it;
+ it = instances.begin();
+ uint16_t instance_id = 0;
+ for ( ; it != instances.end(); it++ ) {
+ valid = true;
+ instance_id = (*it)->instance_id();
+ tr_debug("M2MNsdlInterface::validate_security_object - instance %d", instance_id);
+ String address = _security->resource_value_string(M2MSecurity::M2MServerUri, instance_id);
+ uint32_t sec_mode = _security->resource_value_int(M2MSecurity::SecurityMode, instance_id);
+ uint32_t is_bs_server = _security->resource_value_int(M2MSecurity::BootstrapServer, instance_id);
+
+ uint32_t chain_size = 0;
+ uint32_t server_key_size = 0;
+ uint32_t pkey_size = 0;
+
+ size_t buffer_size = MAX_CERTIFICATE_SIZE;
+ uint8_t certificate[MAX_CERTIFICATE_SIZE];
+ uint8_t *certificate_ptr = (uint8_t *)&certificate;
+
+ // Read through callback if set
+ M2MResource *res = _security->get_resource(M2MSecurity::OpenCertificateChain, instance_id);
+ if (res) {
+ M2MBase::lwm2m_parameters_s *param = res->get_lwm2m_parameters();
+ if (param->read_write_callback_set) {
+ // Read the chain size
+ if (_security->resource_value_buffer(M2MSecurity::OpenCertificateChain, certificate_ptr, instance_id, &buffer_size) == 0) {
+ // Only set size if no error when reading
+ chain_size = buffer_size;
+ }
+ _security->resource_value_buffer(M2MSecurity::CloseCertificateChain, certificate_ptr, instance_id, &buffer_size);
+ } else {
+ // Read directly from the resource
+ if (_security->resource_value_buffer(M2MSecurity::PublicKey, certificate_ptr, instance_id, &buffer_size) == 0) {
+ // Only set size if no error when reading
+ chain_size = buffer_size;
+ }
+ }
+ }
+
+ buffer_size = MAX_CERTIFICATE_SIZE;
+
+ if (_security->resource_value_buffer(M2MSecurity::ServerPublicKey, certificate_ptr, instance_id, &buffer_size) == 0) {
+ // Only set size if no error when reading
+ server_key_size = buffer_size;
+ }
+
+ buffer_size = MAX_CERTIFICATE_SIZE;
+ if (_security->resource_value_buffer(M2MSecurity::Secretkey, certificate_ptr, instance_id, &buffer_size) == 0) {
+ // Only set size if no error when reading
+ pkey_size = buffer_size;
+ }
+
+ tr_info("M2MNsdlInterface::validate_security_object - Server URI /0/0: %s", address.c_str());
+ tr_info("M2MNsdlInterface::validate_security_object - is bs server /0/1: %" PRIu32, is_bs_server);
+ tr_info("M2MNsdlInterface::validate_security_object - Security Mode /0/2: %" PRIu32, sec_mode);
+ tr_info("M2MNsdlInterface::validate_security_object - Public chain size /0/3: %" PRIu32, chain_size);
+ tr_info("M2MNsdlInterface::validate_security_object - Server Public key size /0/4: %" PRIu32, server_key_size);
+ tr_info("M2MNsdlInterface::validate_security_object - Secret key size /0/5: %" PRIu32, pkey_size);
+ if (address.empty()) {
+ return false;
+ }
+
+ switch (sec_mode) {
+ case M2MSecurity::Certificate:
+ // Server public key and client private and public keys should be populated
+ if (!chain_size || !server_key_size || !pkey_size) {
+ return false;
+ }
+ break;
+#ifndef MBED_CLIENT_DISABLE_EST_FEATURE
+ case M2MSecurity::EST:
+ // Only server public key should be populated for lwm2m, client keys will be generated
+ if (!is_bs_server && (!server_key_size || chain_size || pkey_size)) {
+ return false;
+ }
+ break;
+#endif
+ case M2MSecurity::NoSecurity:
+ // Nothing to check for no security
+ break;
+ default:
+ // Security mode not supported
+ return false;
+ }
+ }
+#endif
+ return valid;
+}
+
+
+void M2MNsdlInterface::handle_bootstrap_error(const char *reason, bool wait)
+{
+ tr_error("M2MNsdlInterface::handle_bootstrap_error(%s)",reason);
+ _identity_accepted = false;
+
+ if (wait) {
+ _observer.bootstrap_error_wait(reason);
+ } else {
+ _observer.bootstrap_error(reason);
+ }
+}
+
+const String& M2MNsdlInterface::endpoint_name() const
+{
+ return _endpoint_name;
+}
+
+const String M2MNsdlInterface::internal_endpoint_name() const
+{
+ String iep;
+ if (_internal_endpoint_name.length() > 0) {
+ iep = _internal_endpoint_name;
+ }
+ else if (_nsdl_handle->ep_information_ptr->location_ptr) {
+ // If internal_endpoint_name not set yet, parse it from location path
+ String temp((const char*)_nsdl_handle->ep_information_ptr->location_ptr,
+ _nsdl_handle->ep_information_ptr->location_len);
+ // Get last part of the location path.
+ // In mbed Cloud environment full path is /rd/accountid/internal_endpoint
+ int location = temp.find_last_of('/') + 1;
+ iep.append_raw((const char*)_nsdl_handle->ep_information_ptr->location_ptr + location,
+ _nsdl_handle->ep_information_ptr->location_len - location);
+ }
+ return iep;
+}
+
+void M2MNsdlInterface::change_operation_mode(M2MObject *object, M2MBase::Operation operation)
+{
+ const M2MObjectInstanceList &instances = object->instances();
+ M2MObjectInstanceList::const_iterator inst = instances.begin();
+ for (; inst != instances.end(); inst++ ) {
+ (*inst)->set_operation(operation);
+ const M2MResourceList &list = (*inst)->resources();
+ if(!list.empty()) {
+ M2MResourceList::const_iterator it;
+ it = list.begin();
+ for ( ; it != list.end(); it++ ) {
+ (*it)->set_operation(operation);
+ }
+ }
+ }
+}
+
+void M2MNsdlInterface::set_server_address(const char* server_address)
+{
+ free(_server_address);
+ _server_address = M2MBase::alloc_string_copy(server_address);
+}
+
+M2MTimer &M2MNsdlInterface::get_nsdl_execution_timer()
+{
+ return _nsdl_execution_timer;
+}
+
+bool M2MNsdlInterface::is_unregister_ongoing() const
+{
+ return _nsdl_handle->unregister_token == 0 ? false : true;
+}
+
+bool M2MNsdlInterface::parse_and_send_uri_query_parameters()
+{
+ bool msg_sent = false;
+ char *address_copy = M2MBase::alloc_string_copy(_server_address);
+ if (address_copy) {
+ const char* query = parse_uri_query_parameters(_server_address);
+ if (query != NULL) {
+ size_t query_len = 1 + strlen(query) + 1 + strlen(MCC_VERSION) + 1;
+ if (_custom_uri_query_params) {
+ query_len += 1 + strlen(_custom_uri_query_params);
+ }
+
+ if (query_len <= MAX_URI_QUERY_LEN) {
+ char query_params[MAX_URI_QUERY_LEN];
+ strcpy(query_params, "&");
+ strcat(query_params, query);
+ strcat(query_params, "&");
+ strcat(query_params, MCC_VERSION);
+ if (_custom_uri_query_params) {
+ strcat(query_params, "&");
+ strcat(query_params, _custom_uri_query_params);
+ }
+
+ tr_debug("M2MNsdlInterface::parse_and_send_uri_query_parameters - uri params: %s", query_params);
+ msg_sent = sn_nsdl_register_endpoint(_nsdl_handle,_endpoint,query_params) != 0;
+ } else {
+ tr_error("M2MNsdlInterface::parse_and_send_uri_query_parameters - max uri param length reached (%lu)",
+ (unsigned long)query_len);
+ }
+ }
+ free(address_copy);
+ }
+ return msg_sent;
+}
+
+void M2MNsdlInterface::claim_mutex()
+{
+ _connection_handler.claim_mutex();
+}
+
+void M2MNsdlInterface::release_mutex()
+{
+ _connection_handler.release_mutex();
+}
+
+void M2MNsdlInterface::start_nsdl_execution_timer()
+{
+ tr_debug("M2MNsdlInterface::start_nsdl_execution_timer");
+ _nsdl_execution_timer_running = true;
+ _nsdl_execution_timer.stop_timer();
+ _nsdl_execution_timer.start_timer(ONE_SECOND_TIMER * 1000,
+ M2MTimerObserver::NsdlExecution,
+ false);
+}
+
+M2MSecurity* M2MNsdlInterface::get_security_object()
+{
+ return _security;
+}
+
+void M2MNsdlInterface::update_trigger_callback(void */*argument*/)
+{
+ if (!send_update_registration()) {
+ // Most likely case would be memory allocation failure
+ _observer.registration_error(M2MInterface::MemoryFail, false);
+ }
+}
+
+bool M2MNsdlInterface::lifetime_value_changed() const
+{
+ uint64_t value = 0;
+ if (_endpoint && _endpoint->lifetime_ptr) {
+ value = atol((const char*)_endpoint->lifetime_ptr);
+ }
+ if (_server->resource_value_int(M2MServer::Lifetime) != value) {
+ return true;
+ }
+ return false;
+}
+
+void M2MNsdlInterface::execute_notification_delivery_status_cb(M2MBase* object, int32_t msgid)
+{
+ if (msgid > 0) {
+ object->send_notification_delivery_status(*object, NOTIFICATION_STATUS_SENT);
+ object->send_message_delivery_status(*object,
+ M2MBase::MESSAGE_STATUS_SENT,
+ M2MBase::NOTIFICATION);
+ store_to_response_list(object->uri_path(), msgid, M2MBase::NOTIFICATION);
+ } else {
+ object->send_notification_delivery_status(*object, NOTIFICATION_STATUS_BUILD_ERROR);
+ object->send_message_delivery_status(*object,
+ M2MBase::MESSAGE_STATUS_BUILD_ERROR,
+ M2MBase::NOTIFICATION);
+ _notification_send_ongoing = false;
+ }
+}
+
+uint8_t M2MNsdlInterface::find_auto_obs_token(const char *path, uint8_t *token) const
+{
+ uint8_t token_len = 0;
+ const String name(path);
+ M2MBase *object = find_resource(name);
+ if (object) {
+ object->get_observation_token(token, token_len);
+ }
+ return token_len;
+}
+
+bool M2MNsdlInterface::is_response_to_request(const sn_coap_hdr_s *coap_header, request_context_s &get_data)
+{
+ // ns_list_foreach() replacement since it does not compile with IAR 7.x versions.
+ request_context_s *data = (request_context_s *)ns_list_get_first(&_request_context_list);
+ while (data) {
+ if (memcmp(coap_header->token_ptr, &data->msg_token, sizeof(data->msg_token)) == 0) {
+ get_data = *data;
+ return true;
+ }
+ data = (request_context_s *)ns_list_get_next(&_request_context_list, data);
+ }
+
+ return false;
+}
+
+void M2MNsdlInterface::free_request_context_list(const sn_coap_hdr_s *coap_header, bool call_error_cb, request_error_t error_code)
+{
+ // Clean up whole list
+ if (coap_header == NULL) {
+ // ns_list_foreach() replacement since it does not compile with IAR 7.x versions.
+ while (!ns_list_is_empty(&_request_context_list)) {
+ request_context_s* data = (request_context_s*)ns_list_get_first(&_request_context_list);
+ if (call_error_cb) {
+ data->on_request_error_cb(error_code, data->context);
+ }
+ ns_list_remove(&_request_context_list, data);
+ memory_free(data->uri_path);
+ memory_free(data);
+ }
+
+ // Clean just one item from the list
+ } else {
+ // ns_list_foreach() replacement since it does not compile with IAR 7.x versions.
+ request_context_s *data = (request_context_s *)ns_list_get_first(&_request_context_list);
+ while (data) {
+ if (memcmp(coap_header->token_ptr, &data->msg_token, sizeof(data->msg_token)) == 0) {
+ if (call_error_cb) {
+ data->on_request_error_cb(error_code, data->context);
+ }
+ ns_list_remove(&_request_context_list, data);
+ memory_free(data->uri_path);
+ memory_free(data);
+ return;
+ }
+ data = (request_context_s *)ns_list_get_next(&_request_context_list, data);
+ }
+ }
+}
+
+void M2MNsdlInterface::set_request_context_to_be_resend(uint8_t *token, uint8_t token_len)
+{
+ // ns_list_foreach() replacement since it does not compile with IAR 7.x versions.
+ request_context_s *data = (request_context_s *)ns_list_get_first(&_request_context_list);
+ while (data) {
+ if (token && token_len) {
+ if (token_len == sizeof(data->msg_token) &&
+ memcmp((uint8_t*)&data->msg_token, token, token_len) == 0) {
+ data->resend = true;
+ }
+ } else {
+ data->resend = true;
+ }
+ data = (request_context_s *)ns_list_get_next(&_request_context_list, data);
+ }
+}
+
+char* M2MNsdlInterface::parse_uri_query_parameters(char* uri)
+{
+ char* query = strchr((char*)uri, '?');
+ if (query != NULL) {
+ query++;
+ if (*query == '\0') {
+ return NULL;
+ } else {
+ return query;
+ }
+ } else {
+ return NULL;
+ }
+}
+
+bool M2MNsdlInterface::set_uri_query_parameters(const char *uri_query_params)
+{
+ tr_debug("M2MNsdlInterface::set_uri_query_parameters");
+ size_t query_len = uri_query_params == NULL ? 0:strlen(uri_query_params);
+ size_t current_len = _custom_uri_query_params == NULL ? 0:strlen(_custom_uri_query_params);
+ size_t new_size = query_len + current_len;
+
+ if (query_len == 0 ||
+ query_len > MAX_ALLOWED_STRING_LENGTH ||
+ new_size > MAX_ALLOWED_STRING_LENGTH) {
+ tr_error("M2MNsdlInterface::set_uri_query_parameters - invalid params!");
+ return false;
+ }
+
+ // Append into existing string
+ if (_custom_uri_query_params) {
+ // Reserve space for "&" and null marks
+ _custom_uri_query_params = (char*)realloc(_custom_uri_query_params, 1 + new_size + 1);
+ if (_custom_uri_query_params == NULL) {
+ return false;
+ }
+
+ memcpy(_custom_uri_query_params + current_len, "&", 1);
+ memcpy(_custom_uri_query_params + current_len + 1, uri_query_params, query_len);
+ _custom_uri_query_params[1 + new_size] = '\0';
+ } else {
+ _custom_uri_query_params = (char*)alloc_string_copy((uint8_t*)uri_query_params, query_len + 1);
+ if (_custom_uri_query_params == NULL) {
+ return false;
+ }
+ }
+
+ tr_info("M2MNsdlInterface::set_uri_query_parameters - query %s", _custom_uri_query_params);
+ return true;
+}
+
+void M2MNsdlInterface::clear_sent_blockwise_messages()
+{
+ sn_nsdl_clear_coap_sent_blockwise_messages(_nsdl_handle);
+}
+
+void M2MNsdlInterface::clear_received_blockwise_messages()
+{
+ sn_nsdl_clear_coap_received_blockwise_messages(_nsdl_handle);
+}
+
+void M2MNsdlInterface::send_coap_ping()
+{
+ if (_binding_mode == M2MInterface::TCP && _registered &&
+ _counter_for_nsdl == _next_coap_ping_send_time &&
+ !coap_ping_in_process()) {
+
+ tr_info("M2MNsdlInterface::send_coap_ping()");
+
+ // Build the CoAP here as the CoAP builder would add the message to re-sending queue.
+ // Store the id to prevent multiple simultanous ping messages, may happen if ping interval is shorter than total retransmission time.
+ int32_t message_id = sn_nsdl_send_coap_ping(_nsdl_handle);
+ if (message_id > 0) {
+ store_to_response_list(NULL, message_id, M2MBase::PING);
+ } else {
+ tr_error("M2MNsdlInterface::send_coap_ping() - failed to create ping message!");
+ }
+ }
+}
+
+void M2MNsdlInterface::calculate_new_coap_ping_send_time()
+{
+ if (_binding_mode != M2MInterface::TCP) {
+ return;
+ }
+
+ _next_coap_ping_send_time = _counter_for_nsdl + MBED_CLIENT_TCP_KEEPALIVE_INTERVAL;
+}
+
+void M2MNsdlInterface::send_next_notification(bool clear_token)
+{
+ tr_debug("M2MNsdlInterface::send_next_notification");
+ claim_mutex();
+ if (!_base_list.empty()) {
+ M2MBaseList::const_iterator base_iterator;
+ base_iterator = _base_list.begin();
+ for ( ; base_iterator != _base_list.end(); base_iterator++ ) {
+ if ((*base_iterator)->base_type() == M2MBase::Object) {
+ if (send_next_notification_for_object(*(M2MObject*)*base_iterator, clear_token)) {
+ release_mutex();
+ return;
+ }
+ }
+#ifdef MBED_CLOUD_CLIENT_EDGE_EXTENSION
+ else if ((*base_iterator)->base_type() == M2MBase::ObjectDirectory) {
+ M2MEndpoint* endpoint = static_cast<M2MEndpoint*> (*base_iterator);
+ const M2MObjectList& object_list = endpoint->objects();
+ if (!object_list.empty()) {
+ M2MObjectList::const_iterator object_iterator;
+ object_iterator = object_list.begin();
+ // Object level
+ for ( ; object_iterator != object_list.end(); object_iterator++ ) {
+ if (send_next_notification_for_object(**object_iterator, clear_token)) {
+ release_mutex();
+ return;
+ }
+ }
+ }
+ }
+#endif
+ }
+ }
+
+ _notification_send_ongoing = false;
+ release_mutex();
+ tr_debug("M2MNsdlInterface::send_next_notification - nothing to send");
+}
+
+bool M2MNsdlInterface::send_next_notification_for_object(M2MObject& object, bool clear_token) {
+ const M2MObjectInstanceList &object_instance_list = object.instances();
+ M2MReportHandler* reporter = object.report_handler();
+ if (reporter) {
+ if (clear_token && !object.get_nsdl_resource()->auto_observable) {
+ reporter->set_observation_token(NULL, 0);
+ } else if (reporter->is_under_observation() &&
+ (reporter->notification_in_queue() || reporter->notification_send_in_progress())) {
+ reporter->schedule_report(true);
+ return true;
+ }
+ }
+
+ // Object instance level
+ if (!object_instance_list.empty()) {
+ M2MObjectInstanceList::const_iterator object_instance_iterator;
+ object_instance_iterator = object_instance_list.begin();
+ for ( ; object_instance_iterator != object_instance_list.end(); object_instance_iterator++ ) {
+ reporter = (*object_instance_iterator)->report_handler();
+ if (reporter) {
+ if (clear_token && !(*object_instance_iterator)->get_nsdl_resource()->auto_observable) {
+ reporter->set_observation_token(NULL, 0);
+ } else if (reporter->is_under_observation() &&
+ (reporter->notification_in_queue() || reporter->notification_send_in_progress())) {
+ reporter->schedule_report(true);
+ return true;
+ }
+ }
+
+ // Resource level
+ const M2MResourceList &resource_list = (*object_instance_iterator)->resources();
+ if (!resource_list.empty()) {
+ M2MResourceList::const_iterator resource_iterator;
+ resource_iterator = resource_list.begin();
+ for ( ; resource_iterator != resource_list.end(); resource_iterator++) {
+ reporter = (*resource_iterator)->report_handler();
+ if (reporter) {
+ // Auto obs token can't be cleared
+ if (clear_token && !(*resource_iterator)->get_nsdl_resource()->auto_observable) {
+ reporter->set_observation_token(NULL, 0);
+ } else if (reporter->is_under_observation() &&
+ (reporter->notification_in_queue() || reporter->notification_send_in_progress())) {
+ reporter->schedule_report(true);
+ return true;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ return false;
+}
+
+void M2MNsdlInterface::send_empty_ack(const sn_coap_hdr_s *header, sn_nsdl_addr_s *address)
+{
+ tr_debug("M2MNsdlInterface::send_empty_ack()");
+ sn_coap_hdr_s *empty_coap_ack = (sn_coap_hdr_s *) memory_alloc(sizeof(sn_coap_hdr_s));
+ if (empty_coap_ack) {
+ memset(empty_coap_ack, 0, sizeof(sn_coap_hdr_s));
+ empty_coap_ack->msg_code = COAP_MSG_CODE_EMPTY;
+ empty_coap_ack->msg_type = COAP_MSG_TYPE_ACKNOWLEDGEMENT;
+ empty_coap_ack->msg_id = header->msg_id;
+ sn_nsdl_send_coap_message(_nsdl_handle, address, empty_coap_ack);
+ memory_free(empty_coap_ack);
+ }
+}
+
+void M2MNsdlInterface::store_bs_finished_response_id(uint16_t msg_id)
+{
+ tr_debug("M2MNsdlInterface::store_bs_finished_response_id - id %d", msg_id);
+ _bootstrap_id = msg_id;
+}
+
+struct M2MNsdlInterface::nsdl_coap_data_s* M2MNsdlInterface::create_coap_event_data(
+ sn_coap_hdr_s *received_coap_header,
+ sn_nsdl_addr_s *address,
+ struct nsdl_s *nsdl_handle,
+ uint8_t coap_msg_code)
+{
+ nsdl_coap_data_s *nsdl_coap_data = (nsdl_coap_data_s*)memory_alloc(sizeof(nsdl_coap_data_s));
+
+ if (nsdl_coap_data) {
+ nsdl_coap_data->nsdl_handle = nsdl_handle;
+ nsdl_coap_data->address.addr_len = address->addr_len;
+ nsdl_coap_data->address.type = address->type;
+ nsdl_coap_data->address.port = address->port;
+
+ // Needs to copy all the dynamic data since it resides on stack and this wil turn into an event based call.
+ nsdl_coap_data->address.addr_ptr = (uint8_t*) memory_alloc(address->addr_len);
+
+ if (nsdl_coap_data->address.addr_ptr) {
+ memcpy(nsdl_coap_data->address.addr_ptr, address->addr_ptr, address->addr_len);
+ nsdl_coap_data->received_coap_header = received_coap_header;
+ nsdl_coap_data->received_coap_header->msg_type = COAP_MSG_TYPE_CONFIRMABLE;
+ nsdl_coap_data->received_coap_header->msg_code = (sn_coap_msg_code_e)coap_msg_code;
+
+ // Copy payload
+ if ((received_coap_header->payload_len > 0) &&
+ (received_coap_header->coap_status != COAP_STATUS_PARSER_BLOCKWISE_MSG_RECEIVED)) {
+ assert(received_coap_header->payload_ptr);
+
+ uint8_t *temp_ptr = (uint8_t*) memory_alloc(received_coap_header->payload_len);
+ if (temp_ptr) {
+ memcpy(temp_ptr, received_coap_header->payload_ptr, received_coap_header->payload_len);
+ nsdl_coap_data->received_coap_header->payload_ptr = temp_ptr;
+ nsdl_coap_data->received_coap_header->payload_len = received_coap_header->payload_len;
+ } else {
+ memory_free(nsdl_coap_data->received_coap_header->payload_ptr);
+ sn_coap_parser_release_allocated_coap_msg_mem(nsdl_handle->grs->coap, nsdl_coap_data->received_coap_header);
+ memory_free(nsdl_coap_data->address.addr_ptr);
+ memory_free(nsdl_coap_data);
+ return NULL;
+ }
+ }
+ } else {
+ memory_free(nsdl_coap_data);
+ return NULL;
+ }
+ } else {
+ return NULL;
+ }
+
+ return nsdl_coap_data;
+}
+
+void M2MNsdlInterface::set_registration_status(bool registered)
+{
+ _registered = registered;
+
+ // Unblock CoAP ping sending by removing ping request from the list.
+ if (!registered) {
+ remove_ping_from_response_list();
+ }
+}
+
+void M2MNsdlInterface::handle_register_response(const sn_coap_hdr_s *coap_header)
+{
+ if (coap_header->msg_code == COAP_MSG_CODE_RESPONSE_CREATED) {
+ tr_info("M2MNsdlInterface::handle_register_response - registered");
+ // If lifetime is less than zero then leave the field empty
+ if (coap_header->options_list_ptr) {
+ uint32_t max_time = coap_header->options_list_ptr->max_age;
+
+ // If a sufficiently-large Max-Age option is present, we interpret it as registration lifetime;
+ // mbed server (mDS) reports lifetime this way as a non-standard extension. Other servers
+ // would likely not include an explicit Max-Age option, in which case we'd see the default 60 seconds.
+ if (max_time >= MINIMUM_REGISTRATION_TIME) {
+ set_endpoint_lifetime_buffer(max_time);
+ }
+ if (coap_header->options_list_ptr->location_path_ptr) {
+ sn_nsdl_set_endpoint_location(_nsdl_handle,
+ coap_header->options_list_ptr->location_path_ptr,
+ coap_header->options_list_ptr->location_path_len);
+ }
+
+ }
+ if (_endpoint->lifetime_ptr) {
+ _registration_timer.stop_timer();
+ _registration_timer.start_timer(registration_time() * 1000,
+ M2MTimerObserver::Registration,
+ false);
+ }
+
+ _observer.client_registered(_server);
+
+ _notification_send_ongoing = false;
+
+ // Check if there are any pending download requests
+ send_pending_request();
+
+ } else {
+ tr_error("M2MNsdlInterface::handle_register_response - registration error %d", coap_header->msg_code);
+ if (coap_header->coap_status == COAP_STATUS_BUILDER_MESSAGE_SENDING_FAILED ||
+ coap_header->coap_status == COAP_STATUS_BUILDER_BLOCK_SENDING_FAILED) {
+ tr_error("M2MNsdlInterface::handle_register_response - message sending failed !!!!");
+ }
+
+ if (COAP_MSG_CODE_RESPONSE_BAD_REQUEST == coap_header->msg_code ||
+ COAP_MSG_CODE_RESPONSE_FORBIDDEN == coap_header->msg_code) {
+ _observer.registration_error(M2MInterface::InvalidParameters, false);
+ } else {
+ // Try to do clean register again
+ _observer.registration_error(M2MInterface::NetworkError, true, true);
+ }
+ }
+}
+
+void M2MNsdlInterface::handle_unregister_response(const sn_coap_hdr_s *coap_header)
+{
+ tr_info("M2MNsdlInterface::handle_unregister_response - unregistered");
+
+ // Clear out the ongoing requests and call error callback with status ERROR_NOT_REGISTERED
+ free_request_context_list(NULL, true, ERROR_NOT_REGISTERED);
+
+ if(coap_header->msg_code == COAP_MSG_CODE_RESPONSE_DELETED) {
+ _registration_timer.stop_timer();
+ _observer.client_unregistered();
+ } else {
+ tr_error("M2MNsdlInterface::handle_unregister_response - unregistration error %d", coap_header->msg_code);
+ M2MInterface::Error error = M2MInterface::UnregistrationFailed;
+ if (coap_header->msg_code == COAP_MSG_CODE_RESPONSE_NOT_FOUND) {
+ _observer.registration_error(error, false);
+ } else {
+ _observer.registration_error(error, true);
+ }
+ }
+}
+
+void M2MNsdlInterface::handle_register_update_response(const sn_coap_hdr_s *coap_header)
+{
+ if (coap_header->msg_code == COAP_MSG_CODE_RESPONSE_CHANGED) {
+ tr_info("M2MNsdlInterface::handle_register_update_response - registration_updated");
+ _observer.registration_updated(*_server);
+
+ _notification_send_ongoing = false;
+ // Check if there are any pending notifications in queue
+ _notification_handler->send_notification(this);
+
+ // Check if there are any pending download requests
+ send_pending_request();
+
+ } else {
+ tr_error("M2MNsdlInterface::handle_register_update_response - registration_updated failed %d, %d", coap_header->msg_code, coap_header->coap_status);
+ _nsdl_handle->update_register_token = 0;
+ _registration_timer.stop_timer();
+
+ if (coap_header->coap_status == COAP_STATUS_BUILDER_MESSAGE_SENDING_FAILED ||
+ coap_header->coap_status == COAP_STATUS_BUILDER_BLOCK_SENDING_FAILED) {
+ // Inform interfaceimpl to do a reconnection and registration update
+ // till we get CoAP level response for the request
+ _observer.registration_error(M2MInterface::NetworkError, true);
+ } else {
+ // Do a full registration
+ bool msg_sent = false;
+ if (_server_address) {
+ msg_sent = parse_and_send_uri_query_parameters();
+ }
+ if (!msg_sent) {
+ sn_nsdl_register_endpoint(_nsdl_handle, _endpoint, NULL);
+ }
+ }
+ }
+}
+
+void M2MNsdlInterface::handle_request_response(const sn_coap_hdr_s *coap_header,
+ request_context_s *request_context)
+{
+ tr_info("M2MNsdlInterface::handle_request_response");
+ size_t total_size = 0;
+
+ if (coap_header->options_list_ptr) {
+ if (coap_header->options_list_ptr->use_size2) {
+ total_size = coap_header->options_list_ptr->size2;
+ }
+ } else {
+ total_size = coap_header->payload_len;
+ }
+
+ if (coap_header->msg_code >= COAP_MSG_CODE_RESPONSE_CREATED &&
+ coap_header->msg_code <= COAP_MSG_CODE_RESPONSE_CONTENT) {
+
+ // Reset retry timer for next GET request
+ _download_retry_time = 0;
+
+ // Take copy of uri_path in case of sync mode
+ // Pointer is freed already by "free_request_context_list" and then used again in send_request() call
+ char *temp = NULL;
+ if (!request_context->async_req) {
+ temp = (char*)alloc_string_copy((uint8_t*)request_context->uri_path, strlen(request_context->uri_path));
+ if (temp == NULL) {
+ free_request_context_list(coap_header, true, FAILED_TO_ALLOCATE_MEMORY);
+ return;
+ }
+ }
+
+ // TODO: clean this up, could we keep request_context in the list a bit longer
+ // or pass the existing one to send_request rather than copying?
+ size_t rcv_size = request_context->received_size + coap_header->payload_len;
+ request_data_cb data_cb = request_context->on_request_data_cb;
+ request_error_cb error_cb = request_context->on_request_error_cb;
+ void *ctx = request_context->context;
+ bool async = request_context->async_req;
+ sn_coap_msg_code_e msg_code = request_context->msg_code;
+ uint32_t token = request_context->msg_token;
+ DownloadType download_type = request_context->download_type;
+
+ // Remove the request before calling the "on_request_data_cb" callback
+ free_request_context_list(coap_header, false);
+
+ bool last_block = true;
+ if (coap_header->options_list_ptr &&
+ coap_header->options_list_ptr->block2 != -1 &&
+ coap_header->options_list_ptr->block2 & 0x08) {
+ // Not last block if block2 is set (blockwised transfer) and more bit is set
+ last_block = false;
+ }
+
+ data_cb(coap_header->payload_ptr,
+ coap_header->payload_len,
+ total_size,
+ last_block,
+ ctx);
+
+ // In sync mode, call next request automatically until all blocks have been received
+ if (!async) {
+ if (!last_block) {
+ // Note that payload will be empty here as it should have already been sent
+ // when the initial request was sent!
+ send_request(download_type, temp, msg_code, rcv_size, async, token, 0, NULL, data_cb, error_cb, ctx);
+ } else {
+ tr_info("M2MNsdlInterface::handle_request_response - all blocks received");
+ }
+
+ memory_free(temp);
+ }
+
+ } else {
+ // Retransmission completed
+ if (coap_header->coap_status == COAP_STATUS_BUILDER_MESSAGE_SENDING_FAILED ||
+ coap_header->coap_status == COAP_STATUS_BUILDER_BLOCK_SENDING_FAILED) {
+ _observer.registration_error(M2MInterface::NetworkError, true);
+
+ // Start retry logic, only for file download operation
+ } else if (coap_header->msg_code == COAP_MSG_CODE_RESPONSE_SERVICE_UNAVAILABLE &&
+ request_context->msg_code == COAP_MSG_CODE_REQUEST_GET) {
+ bool retry = true;
+
+ if (!_download_retry_time) {
+ // Range is from 1 sec to 10 sec
+ _download_retry_time = randLIB_get_random_in_range(1, 10);
+ } else {
+ _download_retry_time *= RECONNECT_INCREMENT_FACTOR;
+ if (_download_retry_time > MAX_RECONNECT_TIMEOUT) {
+ tr_error("M2MNsdlInterface::handle_request_response - file download failed, retry completed");
+ retry = false;
+ failed_to_send_request(request_context, coap_header);
+ }
+ }
+
+ if (retry) {
+ tr_info("M2MNsdlInterface::handle_request_response - continue file download after %" PRIu64, _download_retry_time);
+ set_request_context_to_be_resend(coap_header->token_ptr, coap_header->token_len);
+ _download_retry_timer.start_timer(_download_retry_time * 1000, M2MTimerObserver::RetryTimer);
+ }
+
+ // Message sending has failed, inform application
+ } else {
+ failed_to_send_request(request_context, coap_header);
+ }
+ }
+}
+
+void M2MNsdlInterface::handle_bootstrap_response(const sn_coap_hdr_s *coap_header)
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_info("M2MNsdlInterface::handle_bootstrap_response");
+ _bootstrap_id = 0;
+ M2MInterface::Error error_code = interface_error(*coap_header);
+ if (error_code != M2MInterface::ErrorNone) {
+
+#ifdef DISABLE_ERROR_DESCRIPTION
+ // this ifdef is saving +800B on ARMCC as it gets rid of the COAP_ERROR_* -strings from binary
+ const char *buffer = "";
+#else
+ char buffer[MAX_ALLOWED_ERROR_STRING_LENGTH];
+ const char* error = coap_error(*coap_header);
+ snprintf(buffer, sizeof(buffer), "%s:%.*s", error, coap_header->payload_len, coap_header->payload_ptr);
+#endif
+ handle_bootstrap_error(buffer, false);
+ } else {
+ _identity_accepted = true;
+ }
+#else
+ (void)coap_header;
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+bool M2MNsdlInterface::handle_post_response(sn_coap_hdr_s* coap_header,
+ sn_nsdl_addr_s* address,
+ sn_coap_hdr_s *&coap_response,
+ M2MObjectInstance *&obj_instance,
+ bool is_bootstrap_msg)
+{
+ bool execute_value_updated = false;
+
+ if (is_bootstrap_msg) {
+ handle_bootstrap_finished(coap_header, address);
+ } else if (coap_header->uri_path_ptr) {
+
+ String resource_name = coap_to_string(coap_header->uri_path_ptr,
+ coap_header->uri_path_len);
+
+ 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) {
+ if((instance_id >= 0) && (instance_id < UINT16_MAX)) {
+ if(coap_header->payload_ptr) {
+ M2MObject* object = static_cast<M2MObject*> (base);
+ 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,
+ execute_value_updated);
+ }
+ 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::handle_post_response - Send Update registration for Create");
+ if (!send_update_registration()) {
+ // Most likely case would be memory allocation failure
+ _observer.registration_error(M2MInterface::MemoryFail, false);
+ }
+ }
+ } else {
+ tr_error("M2MNsdlInterface::handle_post_response - Missing Payload - Cannot create");
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ COAP_MSG_CODE_RESPONSE_BAD_REQUEST);
+ }
+ } else { // instance id out of range
+ tr_error("M2MNsdlInterface::handle_post_response - instance id out of range - Cannot create");
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ COAP_MSG_CODE_RESPONSE_BAD_REQUEST);
+ }
+ } else { // if(base)
+ tr_error("M2MNsdlInterface::handle_post_response - Missing BASE - Cannot create");
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ COAP_MSG_CODE_RESPONSE_NOT_FOUND);
+ }
+ }
+ } else { // if(slash_found != -1)
+ tr_error("M2MNsdlInterface::handle_post_response - slash_found - Cannot create");
+ coap_response = sn_nsdl_build_response(_nsdl_handle,
+ coap_header,
+ COAP_MSG_CODE_RESPONSE_NOT_FOUND);
+ }
+
+ }
+ return execute_value_updated;
+}
+
+void M2MNsdlInterface::handle_empty_ack(const sn_coap_hdr_s *coap_header, bool is_bootstrap_msg)
+{
+ // Handle reset message
+ if (COAP_MSG_TYPE_RESET == coap_header->msg_type) {
+ coap_response_s *resp = find_response(coap_header->msg_id);
+ if (resp) {
+ if (resp->type == M2MBase::PING) {
+ remove_item_from_response_list(resp->uri_path, coap_header->msg_id);
+ } else {
+ M2MBase *base = find_resource(resp->uri_path);
+ if (base) {
+ if (resp->type == M2MBase::NOTIFICATION) {
+ M2MBase::BaseType type = base->base_type();
+ switch (type) {
+ case M2MBase::Object:
+ base->remove_observation_level(M2MBase::O_Attribute);
+ break;
+ case M2MBase::Resource:
+ base->remove_observation_level(M2MBase::R_Attribute);
+ break;
+ case M2MBase::ObjectInstance:
+ base->remove_observation_level(M2MBase::OI_Attribute);
+ break;
+ default:
+ break;
+ }
+ base->set_under_observation(false, this);
+ _notification_send_ongoing = false;
+ base->send_notification_delivery_status(*base, NOTIFICATION_STATUS_UNSUBSCRIBED);
+ base->send_message_delivery_status(*base, M2MBase::MESSAGE_STATUS_UNSUBSCRIBED, M2MBase::NOTIFICATION);
+ _notification_handler->send_notification(this);
+ } else if (resp->type == M2MBase::DELAYED_POST_RESPONSE) {
+ base->send_message_delivery_status(*base, M2MBase::MESSAGE_STATUS_REJECTED, M2MBase::DELAYED_POST_RESPONSE);
+ }
+#ifdef ENABLE_ASYNC_REST_RESPONSE
+ else if (resp->type == M2MBase::DELAYED_RESPONSE) {
+ base->send_message_delivery_status(*base, M2MBase::MESSAGE_STATUS_REJECTED, M2MBase::DELAYED_RESPONSE);
+ }
+#endif // ENABLE_ASYNC_REST_RESPONSE
+ remove_item_from_response_list(resp->uri_path, coap_header->msg_id);
+ }
+ }
+ }
+ } else if (is_bootstrap_msg) {
+ if (!_bootstrap_finish_ack_received) {
+ // The _bootstrap_finish_ack_received flag is used to avoid sending the finish event
+ // twice incase we get the same ack before the event loop has handled the event.
+ _observer.bootstrap_wait();
+ if (coap_header->coap_status == COAP_STATUS_BUILDER_MESSAGE_SENDING_FAILED ||
+ coap_header->coap_status == COAP_STATUS_BUILDER_BLOCK_SENDING_FAILED) {
+ handle_bootstrap_error(ERROR_REASON_28, false);
+ } else {
+ tr_debug("M2MNsdlInterface::handle_empty_ack - sending finish event - status %d", coap_header->coap_status);
+ _event.data.event_type = MBED_CLIENT_NSDLINTERFACE_BS_FINISH_EVENT;
+ _event.data.event_data = coap_header->msg_id;
+ _event.data.data_ptr = _nsdl_handle;
+ _bootstrap_finish_ack_received = true;
+ eventOS_event_send_user_allocated(&_event);
+ }
+ }
+ else {
+ tr_debug("M2MNsdlInterface::handle_empty_ack - finish event already in progress");
+ }
+ } else {
+ coap_response_s *data = find_response(coap_header->msg_id);
+ if (data) {
+ M2MBase *base = find_resource(data->uri_path);
+ if (base) {
+ bool report = true;
+ if (data->type == M2MBase::NOTIFICATION) {
+ if (base->report_handler()->blockwise_notify()) {
+ report = false;
+ }
+ }
+
+ if (report) {
+ if (!data->blockwise_used) {
+ handle_message_delivered(base, data->type);
+ remove_item_from_response_list(NULL, coap_header->msg_id);
+ }
+ }
+ }
+ }
+ }
+}
+
+void M2MNsdlInterface::handle_bootstrap_finish_ack(uint16_t msg_id)
+{
+ // EMPTY ACK for BS finished
+ tr_debug("M2MNsdlInterface::handle_bootstrap_finish_ack - id: %d", msg_id);
+ if (_bootstrap_id == msg_id) {
+ _observer.bootstrap_finish();
+ _bootstrap_id = 0;
+ } else {
+ tr_error("M2MNsdlInterface::handle_empty_ack - empty ACK id does not match to BS finished response id!");
+ char buffer[MAX_ALLOWED_ERROR_STRING_LENGTH];
+ const char *desc = "message id does not match";
+ snprintf(buffer, sizeof(buffer), ERROR_REASON_22, desc);
+ handle_bootstrap_error(buffer, false);
+ }
+}
+
+void M2MNsdlInterface::handle_message_delivered(M2MBase *base, const M2MBase::MessageType type)
+{
+ if (M2MBase::NOTIFICATION == type) {
+ base->report_handler()->set_notification_send_in_progress(false);
+ _notification_send_ongoing = false;
+ base->send_notification_delivery_status(*base, NOTIFICATION_STATUS_DELIVERED);
+
+ _notification_handler->send_notification(this);
+
+ // Supported only in Resource level
+ // TODO! remove below code once old API is removed
+ if (M2MBase::Resource == base->base_type()) {
+ M2MResource *resource = static_cast<M2MResource *> (base);
+ resource->notification_sent();
+ }
+ }
+
+ base->send_message_delivery_status(*base, M2MBase::MESSAGE_STATUS_DELIVERED, type);
+}
+
+void M2MNsdlInterface::set_retransmission_parameters()
+{
+ // in UDP mode, reconnection attempts must be scaled down so that last attempt does not slip
+ // past the client lifetime.
+ uint64_t lifetime = registration_time();
+ uint32_t resend_count = MBED_CLIENT_RECONNECTION_COUNT;
+
+ uint32_t reconnection_total_time = total_retransmission_time(resend_count);
+ tr_debug("M2MNsdlInterface::set_retransmission_parameters() - total resend time %" PRIu32, reconnection_total_time);
+
+ while (resend_count > 1 && reconnection_total_time > lifetime) {
+ reconnection_total_time = total_retransmission_time(--resend_count);
+ }
+
+ tr_info("M2MNsdlInterface::set_retransmission_parameters() - setting max resend count to %" PRIu32 " with total time: %" PRIu32, resend_count, reconnection_total_time);
+ sn_nsdl_set_retransmission_parameters(_nsdl_handle, resend_count, MBED_CLIENT_RECONNECTION_INTERVAL);
+}
+
+uint32_t M2MNsdlInterface::total_retransmission_time(uint32_t resend_count)
+{
+ uint32_t reconnection_total_time = 1;
+
+ for (uint32_t i = 0; i <= resend_count; i++) {
+ reconnection_total_time *= 2;
+ }
+
+ reconnection_total_time--;
+ reconnection_total_time *= MBED_CLIENT_RECONNECTION_INTERVAL;
+
+ // We need to take into account that CoAP specification mentions that each retransmission
+ // has to have a random multiplying factor between 1 - 1.5 , max of which can be 1.5
+ reconnection_total_time *= RESPONSE_RANDOM_FACTOR;
+
+ return reconnection_total_time;
+}
+
+bool M2MNsdlInterface::is_update_register_ongoing() const
+{
+ return _nsdl_handle->update_register_token == 0 ? false : true;
+}
+
+uint8_t M2MNsdlInterface::get_resend_count()
+{
+ return sn_nsdl_get_retransmission_count(_nsdl_handle);
+}
+
+void M2MNsdlInterface::send_pending_request()
+{
+ // ns_list_foreach() replacement since it does not compile with IAR 7.x versions.
+ request_context_s *data = (request_context_s *)ns_list_get_first(&_request_context_list);
+ while (data) {
+ if (data->resend && data->msg_code == COAP_MSG_CODE_REQUEST_GET) {
+ send_request(data->download_type,
+ data->uri_path,
+ data->msg_code,
+ data->received_size,
+ data->async_req,
+ data->msg_token,
+ 0,
+ NULL,
+ data->on_request_data_cb,
+ data->on_request_error_cb,
+ data->context);
+ }
+
+ data = (request_context_s *)ns_list_get_next(&_request_context_list, data);
+ }
+}
+
+void M2MNsdlInterface::free_response_list()
+{
+ // ns_list_foreach() replacement since it does not compile with IAR 7.x versions.
+ while (!ns_list_is_empty(&_response_list)) {
+ coap_response_s* data = (coap_response_s*)ns_list_get_first(&_response_list);
+ ns_list_remove(&_response_list, data);
+ memory_free(data->uri_path);
+ memory_free(data);
+ }
+}
+
+void M2MNsdlInterface::remove_item_from_response_list(const char* uri_path, const int32_t msg_id)
+{
+ // ns_list_foreach() replacement since it does not compile with IAR 7.x versions.
+ coap_response_s *data = (coap_response_s *)ns_list_get_first(&_response_list);
+ while (data) {
+ if (data->msg_id == msg_id) {
+ bool remove = true;
+ if (uri_path) {
+ remove = false;
+ if ((strcmp(uri_path, data->uri_path) == 0)) {
+ remove = true;
+ }
+ }
+ if (remove) {
+ ns_list_remove(&_response_list, data);
+ memory_free(data->uri_path);
+ memory_free(data);
+ return;
+ }
+ }
+ data = (coap_response_s *)ns_list_get_next(&_response_list, data);
+ }
+}
+
+#if !defined(DISABLE_DELAYED_RESPONSE) || defined(ENABLE_ASYNC_REST_RESPONSE)
+void M2MNsdlInterface::remove_items_from_response_list_for_uri(const char* uri_path)
+{
+ // ns_list_foreach() replacement since it does not compile with IAR 7.x versions.
+ coap_response_s *data = (coap_response_s *)ns_list_get_first(&_response_list);
+ while (data) {
+ bool remove = false;
+ if (uri_path) {
+ if ((strcmp(uri_path, data->uri_path) == 0)) {
+ remove = true;
+ }
+ }
+ coap_response_s *next = (coap_response_s *)ns_list_get_next(&_response_list, data);
+ if (remove) {
+ ns_list_remove(&_response_list, data);
+ memory_free(data->uri_path);
+ memory_free(data);
+ }
+ data = next;
+ }
+}
+#endif
+
+void M2MNsdlInterface::store_to_response_list(const char *uri, int32_t msg_id, M2MBase::MessageType type)
+{
+ coap_response_s *resp = (struct coap_response_s*)memory_alloc(sizeof(struct coap_response_s));
+ if (resp) {
+ resp->uri_path = NULL;
+ if (uri) {
+ resp->uri_path = M2MBase::alloc_string_copy(uri);
+ if (resp->uri_path == NULL) {
+ tr_error("M2MNsdlInterface::store_to_response_list - failed to allocate uri_path!");
+ memory_free(resp);
+ return;
+ }
+ }
+
+ resp->msg_id = msg_id;
+ resp->type = type;
+ resp->blockwise_used = false;
+ ns_list_add_to_end(&_response_list, resp);
+ } else {
+ tr_error("M2MNsdlInterface::store_to_response_list - failed to allocate coap_response_s!");
+ }
+}
+
+struct M2MNsdlInterface::coap_response_s* M2MNsdlInterface::find_response(int32_t msg_id)
+{
+ coap_response_s *data = (coap_response_s *)ns_list_get_first(&_response_list);
+ while (data) {
+ if (data->msg_id == msg_id) {
+ return data;
+ }
+ data = (coap_response_s *)ns_list_get_next(&_response_list, data);
+ }
+
+ return NULL;
+}
+
+#if !defined(DISABLE_DELAYED_RESPONSE) || defined(ENABLE_ASYNC_REST_RESPONSE)
+struct M2MNsdlInterface::coap_response_s* M2MNsdlInterface::find_delayed_response(const char* uri_path,
+ const M2MBase::MessageType type,
+ int32_t message_id)
+{
+ coap_response_s *data = (coap_response_s *)ns_list_get_first(&_response_list);
+ while (data) {
+ if (data->uri_path &&
+ strcmp(data->uri_path, uri_path) == 0 &&
+ data->type == type &&
+ ((message_id == UNDEFINED_MSG_ID)) || (data->msg_id == message_id)) {
+ return data;
+ }
+ data = (coap_response_s *)ns_list_get_next(&_response_list, data);
+ }
+
+ return NULL;
+}
+#endif // DISABLE_DELAYED_RESPONSE
+
+void M2MNsdlInterface::failed_to_send_request(request_context_s *request, const sn_coap_hdr_s *coap_header)
+{
+ sn_nsdl_remove_msg_from_retransmission(_nsdl_handle,
+ (uint8_t*)&request->msg_token,
+ sizeof(request->msg_token));
+ free_request_context_list(coap_header, true, FAILED_TO_SEND_MSG);
+}
+
+bool M2MNsdlInterface::coap_ping_in_process() const
+{
+ const coap_response_s *data = (coap_response_s *)ns_list_get_first(&_response_list);
+ while (data) {
+ if (data->type == M2MBase::PING) {
+ tr_info("M2MNsdlInterface::coap_ping_in_process() - already in process");
+ return true;
+ }
+ data = (coap_response_s *)ns_list_get_next(&_response_list, data);
+ }
+
+ return false;
+}
+
+void M2MNsdlInterface::remove_ping_from_response_list()
+{
+ // ns_list_foreach() replacement since it does not compile with IAR 7.x versions.
+ coap_response_s *data = (coap_response_s *)ns_list_get_first(&_response_list);
+ while (data) {
+ if (data->type == M2MBase::PING) {
+ ns_list_remove(&_response_list, data);
+ memory_free(data->uri_path);
+ memory_free(data);
+ return;
+ }
+ data = (coap_response_s *)ns_list_get_next(&_response_list, data);
+ }
+}
+
+#if !defined(DISABLE_DELAYED_RESPONSE) || defined(ENABLE_ASYNC_REST_RESPONSE)
+bool M2MNsdlInterface::handle_delayed_response_store(const char* uri_path,
+ sn_coap_hdr_s* received_coap,
+ sn_nsdl_addr_s *address,
+ const M2MBase::MessageType message_type)
+{
+ coap_response_s *resp = NULL;
+ // When running client in Edge, it can store more than one request per resource
+#ifdef MBED_CLOUD_CLIENT_EDGE_EXTENSION
+ resp = find_delayed_response(uri_path, message_type, received_coap->msg_id);
+#else
+ resp = find_delayed_response(uri_path, message_type);
+#endif
+ bool success = true;
+ // Only one request can be in process at a time
+ if (resp) {
+ sn_coap_hdr_s *coap_response = sn_nsdl_build_response(_nsdl_handle,
+ received_coap,
+ COAP_MSG_CODE_RESPONSE_PRECONDITION_FAILED);
+ if (coap_response) {
+ sn_nsdl_send_coap_message(_nsdl_handle, address, coap_response);
+ sn_nsdl_release_allocated_coap_msg_mem(_nsdl_handle, coap_response);
+ }
+
+ sn_nsdl_release_allocated_coap_msg_mem(_nsdl_handle, received_coap);
+ success = false;
+ } else {
+ // When running client in Edge, it can store more than one request per resource
+#ifdef MBED_CLOUD_CLIENT_EDGE_EXTENSION
+ store_to_response_list(uri_path, received_coap->msg_id, message_type);
+#else
+ store_to_response_list(uri_path, UNDEFINED_MSG_ID, message_type);
+#endif
+ }
+
+ return success;
+}
+#endif