leo hendrickson
/
example-Ethernet-mbed-Cloud-connect
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Diff: simple-mbed-cloud-client/mbed-cloud-client/mbed-client/source/m2minterfaceimpl.cpp
- Revision:
- 0:8f0bb79ddd48
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/simple-mbed-cloud-client/mbed-cloud-client/mbed-client/source/m2minterfaceimpl.cpp Tue May 04 08:55:12 2021 +0000
@@ -0,0 +1,1403 @@
+/*
+ * Copyright (c) 2015 ARM Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Needed for PRIu64 on FreeRTOS
+#include <stdio.h>
+// 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 <inttypes.h>
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include "include/m2minterfaceimpl.h"
+#include "include/eventdata.h"
+#include "mbed-client/m2minterfaceobserver.h"
+#include "mbed-client/m2mconnectionhandler.h"
+#include "mbed-client/m2mconnectionsecurity.h"
+#include "include/m2mnsdlinterface.h"
+#include "mbed-client/m2msecurity.h"
+#include "mbed-client/m2mtimer.h"
+#include "mbed-trace/mbed_trace.h"
+#include "randLIB.h"
+
+#include <stdlib.h>
+
+#define TRACE_GROUP "mClt"
+
+#define RESOLVE_SEC_MODE(mode) ((mode == M2MInterface::TCP || mode == M2MInterface::TCP_QUEUE) ? M2MConnectionSecurity::TLS : M2MConnectionSecurity::DTLS)
+
+M2MInterfaceImpl::M2MInterfaceImpl(M2MInterfaceObserver& observer,
+ const String &ep_name,
+ const String &ep_type,
+ const int32_t l_time,
+ const uint16_t listen_port,
+ const String &dmn,
+ M2MInterface::BindingMode mode,
+ M2MInterface::NetworkStack stack,
+ const String &con_addr)
+: _event_data(NULL),
+ _registration_flow_timer(NULL),
+ _server_port(0),
+ _listen_port(listen_port),
+ _life_time(l_time),
+ _register_server(NULL),
+ _queue_sleep_timer(*this),
+ _retry_timer(*this),
+ _callback_handler(NULL),
+ _max_states( STATE_MAX_STATES ),
+ _event_ignored(false),
+ _event_generated(false),
+ _reconnecting(false),
+ _retry_timer_expired(false),
+ _bootstrapped(true), // True as default to get it working with connector only configuration
+ _bootstrap_finished(false),
+ _queue_mode_timer_ongoing(false),
+ _current_state(0),
+ _binding_mode(mode),
+ _reconnection_state(M2MInterfaceImpl::None),
+ _observer(observer),
+ _security_connection( new M2MConnectionSecurity( RESOLVE_SEC_MODE(mode) )),
+ _connection_handler(*this, _security_connection, mode, stack),
+ _nsdl_interface(*this, _connection_handler),
+ _security(NULL)
+{
+ tr_debug("M2MInterfaceImpl::M2MInterfaceImpl() -IN");
+ //TODO:Increase the range from 1 to 100 seconds
+ randLIB_seed_random();
+ // Range is from 2 to 10
+ _initial_reconnection_time = randLIB_get_random_in_range(2, 10);
+
+ tr_info("M2MInterfaceImpl::M2MInterfaceImpl() initial random time %d\n", _initial_reconnection_time);
+ _reconnection_time = _initial_reconnection_time;
+
+#ifndef DISABLE_ERROR_DESCRIPTION
+ memset(_error_description, 0, sizeof(_error_description));
+#endif
+
+ _nsdl_interface.create_endpoint(ep_name,
+ ep_type,
+ _life_time,
+ dmn,
+ (uint8_t)_binding_mode,
+ con_addr);
+
+ //Here we must use TCP still
+ _connection_handler.bind_connection(_listen_port);
+
+ // We need this timer only in case of TCP
+ if (_binding_mode == M2MInterface::TCP ||
+ _binding_mode == M2MInterface::TCP_QUEUE ) {
+ _registration_flow_timer = new M2MTimer(*this);
+ }
+ tr_debug("M2MInterfaceImpl::M2MInterfaceImpl() -OUT");
+}
+
+
+M2MInterfaceImpl::~M2MInterfaceImpl()
+{
+ tr_debug("M2MInterfaceImpl::~M2MInterfaceImpl() - IN");
+ delete _registration_flow_timer;
+ _security_connection = NULL;
+ tr_debug("M2MInterfaceImpl::~M2MInterfaceImpl() - OUT");
+}
+
+void M2MInterfaceImpl::bootstrap(M2MSecurity *security)
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_debug("M2MInterfaceImpl::bootstrap - IN - current state %d", _current_state);
+ _retry_timer.stop_timer();
+ _security = NULL;
+ if(!security) {
+ set_error_description(ERROR_REASON_1);
+ _observer.error(M2MInterface::InvalidParameters);
+ return;
+ }
+ // Transition to a new state based upon
+ // the current state of the state machine
+ _connection_handler.claim_mutex();
+ M2MSecurityData data;
+ data._object = security;
+ BEGIN_TRANSITION_MAP // - Current State -
+ TRANSITION_MAP_ENTRY (STATE_BOOTSTRAP) // state_idle
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrap
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state__bootstrap_address_resolved
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrap_resource_created
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrap_wait
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrap_error_wait
+ TRANSITION_MAP_ENTRY (STATE_BOOTSTRAP) // state_bootstrapped
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_register
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_register_address_resolved
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_registered
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_update_registration
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_unregister
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_unregistered
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_sending_coap_data
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_coap_data_sent
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_coap_data_received
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_processing_coap_data
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_coap_data_processed
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_waiting
+ END_TRANSITION_MAP(&data)
+ if(_event_ignored) {
+ _event_ignored = false;
+ set_error_description(ERROR_REASON_2);
+ _observer.error(M2MInterface::NotAllowed);
+ }
+ _connection_handler.release_mutex();
+ tr_debug("M2MInterfaceImpl::bootstrap - OUT");
+#else
+ set_error_description(ERROR_REASON_3);
+ _observer.error(M2MInterface::NotAllowed);
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+
+}
+
+void M2MInterfaceImpl::cancel_bootstrap()
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+//TODO: Do we need this ?
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+void M2MInterfaceImpl::finish_bootstrap()
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_debug("M2MInterfaceImpl::finish_bootstrap");
+ _security = NULL;
+ bootstrap_done();
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+void M2MInterfaceImpl::register_object(M2MSecurity *security, const M2MObjectList &object_list)
+{
+ M2MBaseList list;
+ M2MObjectList::const_iterator it = object_list.begin();
+ for ( ; it != object_list.end(); it++ ) {
+ list.push_back(*it);
+ }
+ register_object(security, list);
+}
+
+void M2MInterfaceImpl::register_object(M2MSecurity *security, const M2MBaseList &list)
+{
+ tr_debug("M2MInterfaceImpl::register_object - IN - current state %d", _current_state);
+ if(!security) {
+ set_error_description(ERROR_REASON_4);
+ _observer.error(M2MInterface::InvalidParameters);
+ return;
+ }
+ // Transition to a new state based upon
+ // the current state of the state machine
+ //TODO: manage register object in a list.
+ _connection_handler.claim_mutex();
+ _register_server = security;
+ M2MRegisterData data;
+ data._object = security;
+ data._base_list = list;
+ BEGIN_TRANSITION_MAP // - Current State -
+ TRANSITION_MAP_ENTRY (STATE_REGISTER) // state_idle
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrap
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state__bootstrap_address_resolved
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrap_resource_created
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrap_wait
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrap_error_wait
+ TRANSITION_MAP_ENTRY (STATE_REGISTER) // state_bootstrapped
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_register
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_register_address_resolved
+ TRANSITION_MAP_ENTRY (STATE_REGISTER) // state_registered
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_update_registration
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_unregister
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_unregistered
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_sending_coap_data
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_coap_data_sent
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_coap_data_received
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_processing_coap_data
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_coap_data_processed
+ TRANSITION_MAP_ENTRY (STATE_REGISTER) // state_waiting
+ END_TRANSITION_MAP(&data)
+ if(_event_ignored) {
+ _event_ignored = false;
+ set_error_description(ERROR_REASON_5);
+ _observer.error(M2MInterface::NotAllowed);
+ }
+ _connection_handler.release_mutex();
+ tr_debug("M2MInterfaceImpl::register_object - OUT");
+}
+
+void M2MInterfaceImpl::update_registration(M2MSecurity *security_object, const uint32_t lifetime)
+{
+ tr_debug("M2MInterfaceImpl::update_registration()");
+ _connection_handler.claim_mutex();
+ M2MUpdateRegisterData data;
+ data._object = security_object;
+ data._lifetime = lifetime;
+ start_register_update(&data);
+ _connection_handler.release_mutex();
+}
+
+void M2MInterfaceImpl::update_registration(M2MSecurity *security_object,
+ const M2MObjectList &object_list,
+ const uint32_t lifetime)
+{
+ tr_debug("M2MInterfaceImpl::update_registration - with object list");
+ _connection_handler.claim_mutex();
+ M2MBaseList list;
+ M2MObjectList::const_iterator it = object_list.begin();
+ for ( ; it != object_list.end(); it++ ) {
+ list.push_back(*it);
+ }
+ update_registration(security_object, list, lifetime);
+ _connection_handler.release_mutex();
+}
+
+void M2MInterfaceImpl::update_registration(M2MSecurity *security_object,
+ const M2MBaseList &list,
+ const uint32_t lifetime)
+{
+ tr_debug("M2MInterfaceImpl::update_registration(M2MSecurity *security_object, const M2MObjectList &object_list, const uint32_t lifetime)");
+ _connection_handler.claim_mutex();
+ M2MUpdateRegisterData data;
+ data._object = security_object;
+ data._lifetime = lifetime;
+ data._base_list = list;
+ start_register_update(&data);
+ _connection_handler.release_mutex();
+}
+
+void M2MInterfaceImpl::unregister_object(M2MSecurity* /*security*/)
+{
+ tr_debug("M2MInterfaceImpl::unregister_object - IN - current state %d", _current_state);
+ if (_nsdl_interface.is_unregister_ongoing()) {
+ set_error_description(ERROR_REASON_27);
+ _observer.error(M2MInterface::NotAllowed);
+ return;
+ }
+
+ _connection_handler.claim_mutex();
+ // Transition to a new state based upon
+ // the current state of the state machine
+ BEGIN_TRANSITION_MAP // - Current State -
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTERED) // state_idle
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTERED) // state_bootstrap
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTERED) // state__bootstrap_address_resolved
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTERED) // state_bootstrap_resource_created
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTERED) // state_bootstrap_wait
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTERED) // state_bootstrap_error_wait
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTERED) // state_bootstrapped
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTERED) // state_register
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTERED) // state_register_address_resolved
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTER) // state_registered
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTER) // state_update_registration
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_unregister
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_unregistered
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTER) // state_sending_coap_data
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTER) // state_coap_data_sent
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTER) // state_coap_data_received
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTER) // state_processing_coap_data
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTER) // state_coap_data_processed
+ TRANSITION_MAP_ENTRY (STATE_UNREGISTER) // state_waiting
+ END_TRANSITION_MAP(NULL)
+
+ _connection_handler.release_mutex();
+ tr_debug("M2MInterfaceImpl::unregister_object - OUT");
+}
+
+void M2MInterfaceImpl::set_queue_sleep_handler(callback_handler handler)
+{
+ _callback_handler = handler;
+}
+
+void M2MInterfaceImpl::set_random_number_callback(random_number_cb callback)
+{
+ if(_security_connection) {
+ _security_connection->set_random_number_callback(callback);
+ }
+}
+
+void M2MInterfaceImpl::set_entropy_callback(entropy_cb callback)
+{
+ if(_security_connection) {
+ _security_connection->set_entropy_callback(callback);
+ }
+}
+
+void M2MInterfaceImpl::set_platform_network_handler(void *handler)
+{
+ _connection_handler.set_platform_network_handler(handler);
+}
+
+void M2MInterfaceImpl::coap_message_ready(uint8_t *data_ptr,
+ uint16_t data_len,
+ sn_nsdl_addr_s *address_ptr)
+{
+ tr_debug("M2MInterfaceImpl::coap_message_ready");
+ if (_current_state != STATE_IDLE) {
+ internal_event(STATE_SENDING_COAP_DATA);
+ if(!_connection_handler.send_data(data_ptr,data_len,address_ptr)) {
+ internal_event( STATE_IDLE);
+ tr_error("M2MInterfaceImpl::coap_message_ready() - M2MInterface::NetworkError");
+ if (!_reconnecting) {
+ _queue_mode_timer_ongoing = false;
+ socket_error(M2MConnectionHandler::SOCKET_SEND_ERROR, true);
+ } else {
+ socket_error(M2MConnectionHandler::SOCKET_ABORT);
+ }
+ }
+ }
+}
+
+void M2MInterfaceImpl::client_registered(M2MServer *server_object)
+{
+ tr_info("M2MInterfaceImpl::client_registered");
+ internal_event(STATE_REGISTERED);
+ //Inform client is registered.
+ //TODO: manage register object in a list.
+ _observer.object_registered(_register_server,*server_object);
+}
+
+void M2MInterfaceImpl::registration_updated(const M2MServer &server_object)
+{
+ tr_info("M2MInterfaceImpl::registration_updated");
+ internal_event(STATE_REGISTERED);
+ _observer.registration_updated(_register_server,server_object);
+}
+
+void M2MInterfaceImpl::registration_error(uint8_t error_code, bool retry, bool full_registration)
+{
+ tr_error("M2MInterfaceImpl::registration_error code [%d]", error_code);
+
+ _nsdl_interface.set_registration_status(false);
+
+ // Try to register again
+ if (retry) {
+ _queue_mode_timer_ongoing = false;
+
+ if (full_registration) {
+ _reconnection_state = M2MInterfaceImpl::None;
+ } else if (error_code == M2MInterface::UnregistrationFailed) {
+ _reconnection_state = M2MInterfaceImpl::Unregistration;
+ }
+
+ socket_error(M2MConnectionHandler::SOCKET_SEND_ERROR);
+ } else {
+ _security = NULL;
+ internal_event(STATE_IDLE);
+ if (error_code == M2MInterface::UnregistrationFailed) {
+ set_error_description(ERROR_REASON_24);
+ } else {
+ set_error_description(ERROR_REASON_8);
+ }
+ _observer.error((M2MInterface::Error)error_code);
+ }
+}
+
+void M2MInterfaceImpl::client_unregistered()
+{
+ tr_info("M2MInterfaceImpl::client_unregistered()");
+ _nsdl_interface.set_registration_status(false);
+
+ // Zero the flag otherwise next registered response will start unregistration process
+ _reconnection_state = M2MInterfaceImpl::None;
+
+ internal_event(STATE_UNREGISTERED);
+ //TODO: manage register object in a list.
+}
+
+void M2MInterfaceImpl::bootstrap_done()
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_info("M2MInterfaceImpl::bootstrap_done");
+ _reconnection_time = _initial_reconnection_time;
+ _reconnecting = false;
+ _reconnection_state = M2MInterfaceImpl::None;
+ _bootstrapped = true;
+
+ if (_registration_flow_timer) {
+ _registration_flow_timer->stop_timer();
+ }
+
+ // Force close connection since either server already closed (sent PEER_CLOSE_NOTIFY)
+ // or bootstrap flow has finished.
+ _connection_handler.force_close();
+
+ if (_bootstrap_finished) {
+ // Inform to observer only if bootstrap has already been finished
+ // This has to be done like this since we might get bootstrap_done
+ // callback BEFORE bootstrap_finish
+ internal_event(STATE_BOOTSTRAPPED);
+ _observer.bootstrap_done(_nsdl_interface.get_security_object());
+ }
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+void M2MInterfaceImpl::bootstrap_finish()
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_info("M2MInterfaceImpl::bootstrap_finish");
+ internal_event(STATE_BOOTSTRAP_WAIT);
+ _observer.bootstrap_data_ready(_nsdl_interface.get_security_object());
+ _bootstrap_finished = true;
+
+ if (_bootstrapped) {
+ // If _bootstrapped is set, we have already received the bootstrap_done
+ // callback so we must inform observer now
+ bootstrap_done();
+ }
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+void M2MInterfaceImpl::bootstrap_wait()
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_info("M2MInterfaceImpl::bootstrap_wait");
+ internal_event(STATE_BOOTSTRAP_WAIT);
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+void M2MInterfaceImpl::bootstrap_error_wait(const char *reason)
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_error("M2MInterfaceImpl::bootstrap_error_wait");
+ set_error_description(reason);
+ internal_event(STATE_BOOTSTRAP_ERROR_WAIT);
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+void M2MInterfaceImpl::bootstrap_error(const char *reason)
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_error("M2MInterfaceImpl::bootstrap_error(%s)", reason);
+ _bootstrapped = false;
+ if (_registration_flow_timer) {
+ _registration_flow_timer->stop_timer();
+ }
+
+ _reconnection_state = M2MInterfaceImpl::None;
+
+ set_error_description(reason);
+
+ _observer.error(M2MInterface::BootstrapFailed);
+
+ internal_event(STATE_IDLE);
+ _reconnecting = true;
+ _connection_handler.stop_listening();
+
+ _retry_timer_expired = false;
+ _retry_timer.start_timer(_reconnection_time * 1000,
+ M2MTimerObserver::RetryTimer);
+ tr_info("M2MInterfaceImpl::bootstrap_error - reconnecting in %" PRIu64 "(s)", _reconnection_time);
+ _reconnection_time = _reconnection_time * RECONNECT_INCREMENT_FACTOR;
+ if(_reconnection_time >= MAX_RECONNECT_TIMEOUT) {
+ _reconnection_time = MAX_RECONNECT_TIMEOUT;
+ }
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+void M2MInterfaceImpl::coap_data_processed()
+{
+ tr_debug("M2MInterfaceImpl::coap_data_processed()");
+ internal_event(STATE_COAP_DATA_PROCESSED);
+}
+
+void M2MInterfaceImpl::value_updated(M2MBase *base)
+{
+ tr_debug("M2MInterfaceImpl::value_updated");
+ if(base) {
+ M2MBase::BaseType type = base->base_type();
+ _observer.value_updated(base, type);
+ }
+}
+
+void M2MInterfaceImpl::data_available(uint8_t* data,
+ uint16_t data_size,
+ const M2MConnectionObserver::SocketAddress &address)
+{
+ tr_debug("M2MInterfaceImpl::data_available");
+ ReceivedData event;
+ event._data = data;
+ event._size = data_size;
+ event._address = &address;
+ internal_event(STATE_COAP_DATA_RECEIVED, &event);
+}
+
+void M2MInterfaceImpl::socket_error(int error_code, bool retry)
+{
+ // Bootstrap completed once PEER CLOSE notify received from the server.
+ if (_current_state == STATE_BOOTSTRAP_WAIT &&
+ error_code == M2MConnectionHandler::SSL_PEER_CLOSE_NOTIFY) {
+ _security = NULL;
+ bootstrap_done();
+ return;
+ }
+
+ tr_error("M2MInterfaceImpl::socket_error: (%d), retry (%d), reconnecting (%d), reconnection_state (%d)",
+ error_code, retry, _reconnecting, (int)_reconnection_state);
+
+ // Ignore errors while client is sleeping
+ if (queue_mode()) {
+ if (_callback_handler && _queue_mode_timer_ongoing) {
+ tr_info("M2MInterfaceImpl::socket_error - Queue Mode - don't try to reconnect while in QueueMode");
+ return;
+ }
+ }
+ _queue_sleep_timer.stop_timer();
+
+ if (_registration_flow_timer) {
+ _registration_flow_timer->stop_timer();
+ }
+
+ const char *error_code_des;
+ M2MInterface::Error error = M2MInterface::ErrorNone;
+ switch (error_code) {
+ case M2MConnectionHandler::SSL_CONNECTION_ERROR:
+ error = M2MInterface::SecureConnectionFailed;
+ error_code_des = ERROR_SECURE_CONNECTION;
+ break;
+ case M2MConnectionHandler::DNS_RESOLVING_ERROR:
+ error = M2MInterface::DnsResolvingFailed;
+ error_code_des = ERROR_DNS;
+ break;
+ case M2MConnectionHandler::SOCKET_READ_ERROR:
+ error = M2MInterface::NetworkError;
+ error_code_des = ERROR_NETWORK;
+ break;
+ case M2MConnectionHandler::SOCKET_SEND_ERROR:
+ error = M2MInterface::NetworkError;
+ error_code_des = ERROR_NETWORK;
+ break;
+ case M2MConnectionHandler::SSL_HANDSHAKE_ERROR:
+ error = M2MInterface::SecureConnectionFailed;
+ error_code_des = ERROR_SECURE_CONNECTION;
+ break;
+ case M2MConnectionHandler::SOCKET_ABORT:
+ error = M2MInterface::NetworkError;
+ error_code_des = ERROR_NETWORK;
+ break;
+ case M2MConnectionHandler::MEMORY_ALLOCATION_FAILED:
+ error = M2MInterface::MemoryFail;
+ error_code_des = ERROR_NO_MEMORY;
+ break;
+ case M2MConnectionHandler::FAILED_TO_READ_CREDENTIALS:
+ error = M2MInterface::FailedToReadCredentials;
+ error_code_des = ERROR_FAILED_TO_READ_CREDENTIALS;
+ break;
+ default:
+ error_code_des = ERROR_NO;
+ break;
+ }
+
+ internal_event(STATE_IDLE);
+
+ // Do a reconnect
+ if (retry) {
+ if ((error == M2MInterface::SecureConnectionFailed || error == M2MInterface::InvalidParameters) &&
+ _bootstrapped) {
+ // Connector client will start the bootstrap flow again
+ tr_info("M2MInterfaceImpl::socket_error - goes to re-bootstrap");
+ _observer.error(M2MInterface::SecureConnectionFailed);
+ return;
+ }
+
+ _nsdl_interface.set_request_context_to_be_resend(NULL, 0);
+ _reconnecting = true;
+ _connection_handler.stop_listening();
+ _retry_timer_expired = false;
+ _retry_timer.start_timer(_reconnection_time * 1000,
+ M2MTimerObserver::RetryTimer);
+
+ tr_info("M2MInterfaceImpl::socket_error - reconnecting in %" PRIu64 "(s)", _reconnection_time);
+
+ _reconnection_time = _reconnection_time * RECONNECT_INCREMENT_FACTOR;
+ if (_reconnection_time >= MAX_RECONNECT_TIMEOUT) {
+ _reconnection_time = MAX_RECONNECT_TIMEOUT;
+ }
+#ifndef DISABLE_ERROR_DESCRIPTION
+ snprintf(_error_description, sizeof(_error_description), ERROR_REASON_9, error_code_des);
+#endif
+ }
+ // Inform application
+ if (!retry && M2MInterface::ErrorNone != error) {
+ tr_info("M2MInterfaceImpl::socket_error - send error to application");
+ _connection_handler.stop_listening();
+ _retry_timer.stop_timer();
+ _security = NULL;
+ _reconnecting = false;
+ _reconnection_time = _initial_reconnection_time;
+ _reconnection_state = M2MInterfaceImpl::None;
+#ifndef DISABLE_ERROR_DESCRIPTION
+ snprintf(_error_description, sizeof(_error_description), ERROR_REASON_10, error_code_des);
+#endif
+ }
+ if (M2MInterface::ErrorNone != error) {
+ _observer.error(error);
+ }
+}
+
+void M2MInterfaceImpl::address_ready(const M2MConnectionObserver::SocketAddress &address,
+ M2MConnectionObserver::ServerType server_type,
+ const uint16_t server_port)
+{
+ tr_debug("M2MInterfaceImpl::address_ready");
+ ResolvedAddressData data;
+ data._address = &address;
+ data._port = server_port;
+ if( M2MConnectionObserver::Bootstrap == server_type) {
+ tr_info("M2MInterfaceImpl::address_ready() Server Type Bootstrap");
+ internal_event(STATE_BOOTSTRAP_ADDRESS_RESOLVED, &data);
+ } else {
+ tr_info("M2MInterfaceImpl::address_ready() Server Type LWM2M");
+ internal_event(STATE_REGISTER_ADDRESS_RESOLVED, &data);
+ }
+}
+
+void M2MInterfaceImpl::data_sent()
+{
+ tr_debug("M2MInterfaceImpl::data_sent()");
+ if(queue_mode()) {
+ if(_callback_handler && (_nsdl_interface.is_unregister_ongoing() == false)) {
+ _queue_sleep_timer.stop_timer();
+ _queue_sleep_timer.start_timer(_nsdl_interface.total_retransmission_time(_nsdl_interface.get_resend_count()) * (uint64_t)1000,
+ M2MTimerObserver::QueueSleep);
+ }
+ }
+
+ if (_current_state == STATE_BOOTSTRAP_ERROR_WAIT) {
+ // bootstrap_error to be called only after we have sent the last ACK.
+ // Otherwise client will goto reconnection mode before ACK has sent.
+ bootstrap_error(error_description());
+ } else if (_current_state != STATE_BOOTSTRAP_WAIT) {
+ internal_event(STATE_COAP_DATA_SENT);
+ }
+
+ // Delay the time when CoAP ping will be send.
+ _nsdl_interface.calculate_new_coap_ping_send_time();
+}
+
+void M2MInterfaceImpl::timer_expired(M2MTimerObserver::Type type)
+{
+ if (M2MTimerObserver::QueueSleep == type) {
+ if (_reconnecting) {
+ tr_debug("M2MInterfaceImpl::timer_expired() - reconnection ongoing, continue sleep timer");
+ _queue_sleep_timer.start_timer(_nsdl_interface.total_retransmission_time(_nsdl_interface.get_resend_count()) * (uint64_t)1000,
+ M2MTimerObserver::QueueSleep);
+ } else {
+ tr_debug("M2MInterfaceImpl::timer_expired() - sleep");
+ M2MTimer &timer = _nsdl_interface.get_nsdl_execution_timer();
+ timer.stop_timer();
+ _queue_mode_timer_ongoing = true;
+ if(_callback_handler) {
+ _callback_handler();
+ }
+ }
+ } else if (M2MTimerObserver::RetryTimer == type) {
+ tr_debug("M2MInterfaceImpl::timer_expired() - retry");
+ _retry_timer_expired = true;
+ if (_bootstrapped) {
+ internal_event(STATE_REGISTER);
+ } else {
+ internal_event(STATE_BOOTSTRAP);
+ }
+ } else if (M2MTimerObserver::BootstrapFlowTimer == type) {
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_debug("M2MInterfaceImpl::timer_expired() - bootstrap");
+ _bootstrapped = false;
+ if (_registration_flow_timer) {
+ _registration_flow_timer->stop_timer();
+ }
+ bootstrap_error(ERROR_REASON_23);
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ } else if (M2MTimerObserver::RegistrationFlowTimer == type) {
+ tr_debug("M2MInterfaceImpl::timer_expired() - register");
+ registration_error(M2MInterface::Timeout, true);
+ }
+}
+
+// state machine sits here.
+void M2MInterfaceImpl::state_idle(EventData* /*data*/)
+{
+ tr_debug("M2MInterfaceImpl::state_idle");
+ _nsdl_interface.stop_timers();
+ _nsdl_interface.clear_sent_blockwise_messages();
+ _nsdl_interface.clear_received_blockwise_messages();
+ _queue_sleep_timer.stop_timer();
+}
+
+void M2MInterfaceImpl::state_bootstrap(EventData *data)
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_debug("M2MInterfaceImpl::state_bootstrap");
+ // Start with bootstrapping preparation
+ _bootstrapped = false;
+ _bootstrap_finished = false;
+ _nsdl_interface.set_registration_status(false);
+ M2MSecurityData *event = static_cast<M2MSecurityData *> (data);
+ if(!_security) {
+ M2MInterface::Error error = M2MInterface::InvalidParameters;
+ if (event) {
+ _security = event->_object;
+ if(_security) {
+ int32_t bs_id = _security->get_security_instance_id(M2MSecurity::Bootstrap);
+ tr_info("M2MInterfaceImpl::state_bootstrap - bs_id = %" PRId32 "(s)", bs_id);
+ if(bs_id >= 0) {
+ String server_address = _security->resource_value_string(M2MSecurity::M2MServerUri, bs_id);
+ _nsdl_interface.set_server_address(server_address.c_str());
+ tr_info("M2MInterfaceImpl::state_bootstrap - server_address %s", server_address.c_str());
+ String coap;
+ if(server_address.compare(0,sizeof(COAP)-1,COAP) == 0) {
+ coap = COAP;
+ }
+ else if(server_address.compare(0,sizeof(COAPS)-1,COAPS) == 0) {
+ _security->resource_value_int(M2MSecurity::SecurityMode, bs_id) != M2MSecurity::NoSecurity ? coap = COAPS: coap = "";
+ }
+ if(!coap.empty()) {
+ server_address = server_address.substr(coap.size(),
+ server_address.size()-coap.size());
+
+ process_address(server_address, _server_ip_address, _server_port);
+
+ tr_info("M2MInterfaceImpl::state_bootstrap - IP address %s, Port %d", _server_ip_address.c_str(), _server_port);
+ // If bind and resolving server address succeed then proceed else
+ // return error to the application and go to Idle state.
+ if(!_server_ip_address.empty()) {
+ error = M2MInterface::ErrorNone;
+ if (_registration_flow_timer) {
+ _registration_flow_timer->stop_timer();
+ _registration_flow_timer->start_timer(MBED_CLIENT_RECONNECTION_COUNT * MBED_CLIENT_RECONNECTION_INTERVAL * 8 * 1000,
+ M2MTimerObserver::BootstrapFlowTimer);
+ }
+ _connection_handler.resolve_server_address(_server_ip_address,
+ _server_port,
+ M2MConnectionObserver::Bootstrap,
+ _security);
+ }
+ }
+ }
+ }
+ }
+ if (error != M2MInterface::ErrorNone) {
+ tr_error("M2MInterfaceImpl::state_bootstrap - set error as M2MInterface::InvalidParameters");
+ internal_event(STATE_IDLE);
+ set_error_description(ERROR_REASON_11);
+ _observer.error(error);
+ }
+ } else {
+ _listen_port = 0;
+ _connection_handler.bind_connection(_listen_port);
+ if (_registration_flow_timer) {
+ _registration_flow_timer->stop_timer();
+ _registration_flow_timer->start_timer(MBED_CLIENT_RECONNECTION_COUNT * MBED_CLIENT_RECONNECTION_INTERVAL * 8 * 1000,
+ M2MTimerObserver::BootstrapFlowTimer);
+ }
+ tr_info("M2MInterfaceImpl::state_bootstrap (reconnect) - IP address %s, Port %d", _server_ip_address.c_str(), _server_port);
+ _connection_handler.resolve_server_address(_server_ip_address,
+ _server_port,
+ M2MConnectionObserver::Bootstrap,
+ _security);
+ }
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+void M2MInterfaceImpl::state_bootstrap_address_resolved( EventData *data)
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_debug("M2MInterfaceImpl::state_bootstrap_address_resolved");
+ if (data) {
+ ResolvedAddressData *event = static_cast<ResolvedAddressData *> (data);
+ sn_nsdl_addr_s address;
+
+ M2MInterface::NetworkStack stack = event->_address->_stack;
+
+ if(M2MInterface::LwIP_IPv4 == stack) {
+ tr_info("M2MInterfaceImpl::state_bootstrap_address_resolved : IPv4 address");
+ address.type = SN_NSDL_ADDRESS_TYPE_IPV4;
+ } else if((M2MInterface::LwIP_IPv6 == stack) ||
+ (M2MInterface::Nanostack_IPv6 == stack)) {
+ tr_info("M2MInterfaceImpl::state_bootstrap_address_resolved : IPv6 address");
+ address.type = SN_NSDL_ADDRESS_TYPE_IPV6;
+ }
+ address.port = event->_port;
+ address.addr_ptr = (uint8_t*)event->_address->_address;
+ address.addr_len = event->_address->_length;
+ _connection_handler.start_listening_for_data();
+
+ if(_nsdl_interface.create_bootstrap_resource(&address)) {
+ internal_event(STATE_BOOTSTRAP_RESOURCE_CREATED);
+ } else{
+ // If resource creation fails then inform error to application
+ tr_error("M2MInterfaceImpl::state_bootstrap_address_resolved : M2MInterface::InvalidParameters");
+ internal_event(STATE_IDLE);
+ set_error_description(ERROR_REASON_12);
+ _observer.error(M2MInterface::InvalidParameters);
+ }
+ }
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+void M2MInterfaceImpl::state_bootstrap_resource_created( EventData */*data*/)
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_debug("M2MInterfaceImpl::state_bootstrap_resource_created");
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+void M2MInterfaceImpl::state_bootstrapped( EventData */*data*/)
+{
+#ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ tr_debug("M2MInterfaceImpl::state_bootstrapped");
+#endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+}
+
+void M2MInterfaceImpl::state_register(EventData *data)
+{
+ tr_debug("M2MInterfaceImpl::state_register");
+ _nsdl_interface.set_registration_status(false);
+ M2MRegisterData *event = static_cast<M2MRegisterData *> (data);
+ if (!_security) {
+ M2MInterface::Error error = M2MInterface::InvalidParameters;
+ // Start with registration preparation
+ if(event) {
+ _security = event->_object;
+ if(_security) {
+ int32_t m2m_id = _security->get_security_instance_id(M2MSecurity::M2MServer);
+ if(m2m_id >= 0) {
+ if(_nsdl_interface.create_nsdl_list_structure(event->_base_list)) {
+ // If the nsdl resource structure is created successfully
+ String server_address = _security->resource_value_string(M2MSecurity::M2MServerUri, m2m_id);
+ _nsdl_interface.set_server_address(server_address.c_str());
+ tr_info("M2MInterfaceImpl::state_register - server_address %s", server_address.c_str());
+ String coap;
+ if(server_address.compare(0,sizeof(COAP)-1,COAP) == 0) {
+ coap = COAP;
+ }
+ else if(server_address.compare(0,sizeof(COAPS)-1,COAPS) == 0) {
+ _security->resource_value_int(M2MSecurity::SecurityMode, m2m_id) != M2MSecurity::NoSecurity ? coap = COAPS: coap = "";
+ }
+ if(!coap.empty()) {
+ server_address = server_address.substr(coap.size(),
+ server_address.size() - coap.size());
+ process_address(server_address, _server_ip_address, _server_port);
+
+ tr_info("M2MInterfaceImpl::state_register - IP address %s, Port %d", _server_ip_address.c_str(), _server_port);
+ if(!_server_ip_address.empty()) {
+ // Connection related errors are coming through callback
+ if (_registration_flow_timer) {
+ _registration_flow_timer->stop_timer();
+ _registration_flow_timer->start_timer(MBED_CLIENT_RECONNECTION_COUNT * MBED_CLIENT_RECONNECTION_INTERVAL * 8 * 1000,
+ M2MTimerObserver::RegistrationFlowTimer);
+ }
+ error = M2MInterface::ErrorNone;
+ _connection_handler.resolve_server_address(_server_ip_address,_server_port,
+ M2MConnectionObserver::LWM2MServer,
+ _security);
+ }
+ }
+ } else {
+ tr_error("M2MInterfaceImpl::state_register - fail to create nsdl list structure!");
+ }
+ }
+ }
+ }
+ if (error != M2MInterface::ErrorNone) {
+ tr_error("M2MInterfaceImpl::state_register - set error as M2MInterface::InvalidParameters");
+ internal_event(STATE_IDLE);
+ set_error_description(ERROR_REASON_13);
+ _observer.error(error);
+ }
+ } else {
+ _listen_port = 0;
+ if (event) {
+ _nsdl_interface.create_nsdl_list_structure(event->_base_list);
+ }
+ _connection_handler.bind_connection(_listen_port);
+ if (_registration_flow_timer) {
+ _registration_flow_timer->stop_timer();
+ _registration_flow_timer->start_timer(MBED_CLIENT_RECONNECTION_COUNT * MBED_CLIENT_RECONNECTION_INTERVAL * 8 * 1000,
+ M2MTimerObserver::RegistrationFlowTimer);
+ }
+ tr_info("M2MInterfaceImpl::state_register (reconnect) - IP address %s, Port %d", _server_ip_address.c_str(), _server_port);
+ _connection_handler.resolve_server_address(_server_ip_address,_server_port,
+ M2MConnectionObserver::LWM2MServer,
+ _security);
+ }
+}
+
+void M2MInterfaceImpl::process_address(const String& server_address, String& ip_address, uint16_t& port) {
+
+ int colonFound = server_address.find_last_of(':'); //10
+ if(colonFound != -1) {
+ ip_address = server_address.substr(0,colonFound);
+ port = atoi(server_address.substr(colonFound+1,
+ server_address.size()-ip_address.size()).c_str());
+ colonFound = ip_address.find_last_of(']');
+ if(ip_address.compare(0,1,"[") == 0) {
+ if(colonFound == -1) {
+ ip_address.clear();
+ } else {
+ ip_address = ip_address.substr(1,colonFound-1);
+ }
+ } else if(colonFound != -1) {
+ ip_address.clear();
+ }
+ }
+}
+
+void M2MInterfaceImpl::state_register_address_resolved( EventData *data)
+{
+ tr_debug("M2MInterfaceImpl::state_register_address_resolved - reconnect status %d", _reconnection_state);
+ if(data) {
+ ResolvedAddressData *event = static_cast<ResolvedAddressData *> (data);
+
+ sn_nsdl_addr_type_e address_type = SN_NSDL_ADDRESS_TYPE_IPV6;
+
+ M2MInterface::NetworkStack stack = event->_address->_stack;
+
+ if(M2MInterface::LwIP_IPv4 == stack) {
+ tr_info("M2MInterfaceImpl::state_register_address_resolved : IPv4 address");
+ address_type = SN_NSDL_ADDRESS_TYPE_IPV4;
+ } else if((M2MInterface::LwIP_IPv6 == stack) ||
+ (M2MInterface::Nanostack_IPv6 == stack)) {
+ tr_info("M2MInterfaceImpl::state_register_address_resolved : IPv6 address");
+ address_type = SN_NSDL_ADDRESS_TYPE_IPV6;
+ }
+ _connection_handler.start_listening_for_data();
+ _nsdl_interface.set_server_address((uint8_t*)event->_address->_address,event->_address->_length,
+ event->_port, address_type);
+ switch (_reconnection_state) {
+ case M2MInterfaceImpl::None:
+ if (!_nsdl_interface.send_register_message()) {
+ // If resource creation fails then inform error to application
+ tr_error("M2MInterfaceImpl::state_register_address_resolved : M2MInterface::MemoryFail");
+ internal_event(STATE_IDLE);
+ set_error_description(ERROR_REASON_25);
+ _observer.error(M2MInterface::MemoryFail);
+ }
+ break;
+ case M2MInterfaceImpl::Unregistration:
+ case M2MInterfaceImpl::WithUpdate:
+ // Start registration update in case it is reconnection logic because of network issue.
+ internal_event(STATE_UPDATE_REGISTRATION);
+ break;
+ }
+ }
+}
+
+void M2MInterfaceImpl::state_registered( EventData */*data*/)
+{
+ tr_info("M2MInterfaceImpl::state_registered");
+ if (_registration_flow_timer) {
+ _registration_flow_timer->stop_timer();
+ }
+ _reconnection_time = _initial_reconnection_time;
+ _reconnecting = false;
+ _nsdl_interface.set_registration_status(true);
+ // Continue with the unregistration process if it has failed due to connection lost
+ if (_reconnection_state == M2MInterfaceImpl::Unregistration) {
+ internal_event(STATE_UNREGISTER);
+ } else {
+ _reconnection_state = M2MInterfaceImpl::WithUpdate;
+ }
+}
+
+void M2MInterfaceImpl::state_update_registration(EventData *data)
+{
+ tr_debug("M2MInterfaceImpl::state_update_registration");
+ uint32_t lifetime = 0;
+ // Set to false to allow reconnection to work.
+ _queue_mode_timer_ongoing = false;
+
+ if (data) {
+ M2MUpdateRegisterData *event = static_cast<M2MUpdateRegisterData *> (data);
+ // Create new resources if any
+ if (!event->_base_list.empty()) {
+ _nsdl_interface.create_nsdl_list_structure(event->_base_list);
+ }
+ lifetime = event->_lifetime;
+ }
+
+ bool success = _nsdl_interface.send_update_registration(lifetime);
+ if (!success) {
+ tr_error("M2MInterfaceImpl::state_update_registration : M2MInterface::MemoryFail");
+ internal_event(STATE_IDLE);
+ set_error_description(ERROR_REASON_25);
+ _observer.error(M2MInterface::MemoryFail);
+ }
+}
+
+void M2MInterfaceImpl::state_unregister(EventData */*data*/)
+{
+ tr_debug("M2MInterfaceImpl::state_unregister");
+ internal_event(STATE_SENDING_COAP_DATA);
+ if(!_nsdl_interface.send_unregister_message()) {
+ tr_error("M2MInterfaceImpl::state_unregister : M2MInterface::NotRegistered");
+ internal_event(STATE_IDLE);
+ set_error_description(ERROR_REASON_16);
+ _observer.error(M2MInterface::NotRegistered);
+ }
+}
+
+void M2MInterfaceImpl::state_unregistered( EventData */*data*/)
+{
+ tr_info("M2MInterfaceImpl::state_unregistered");
+ _reconnection_time = _initial_reconnection_time;
+ _connection_handler.force_close();
+ _security = NULL;
+ _observer.object_unregistered(_register_server);
+ internal_event(STATE_IDLE);
+}
+
+void M2MInterfaceImpl::state_sending_coap_data( EventData */*data*/)
+{
+ tr_debug("M2MInterfaceImpl::state_sending_coap_data");
+ _nsdl_interface.start_nsdl_execution_timer();
+ internal_event(STATE_WAITING);
+}
+
+void M2MInterfaceImpl::state_coap_data_sent( EventData */*data*/)
+{
+ tr_debug("M2MInterfaceImpl::state_coap_data_sent");
+ internal_event(STATE_WAITING);
+}
+
+void M2MInterfaceImpl::state_coap_data_received(EventData *data)
+{
+ tr_debug("M2MInterfaceImpl::state_coap_data_received");
+ if(data) {
+ ReceivedData *event = static_cast<ReceivedData*> (data);
+ sn_nsdl_addr_s address;
+
+ M2MInterface::NetworkStack stack = event->_address->_stack;
+
+ if(M2MInterface::LwIP_IPv4 == stack) {
+ address.type = SN_NSDL_ADDRESS_TYPE_IPV4;
+ address.addr_len = 4;
+ } else if((M2MInterface::LwIP_IPv6 == stack) ||
+ (M2MInterface::Nanostack_IPv6 == stack)) {
+ address.type = SN_NSDL_ADDRESS_TYPE_IPV6;
+ address.addr_len = 16;
+ }
+ address.port = event->_address->_port;
+ address.addr_ptr = (uint8_t*)event->_address->_address;
+ address.addr_len = event->_address->_length;
+
+ // Process received data
+ internal_event(STATE_PROCESSING_COAP_DATA);
+ if(!_nsdl_interface.process_received_data(event->_data,
+ event->_size,
+ &address)) {
+ tr_error("M2MInterfaceImpl::state_coap_data_received : M2MInterface::ResponseParseFailed");
+ set_error_description(ERROR_REASON_17);
+ _observer.error(M2MInterface::ResponseParseFailed);
+ }
+ }
+}
+
+void M2MInterfaceImpl::state_processing_coap_data( EventData */*data*/)
+{
+ tr_debug("M2MInterfaceImpl::state_processing_coap_data");
+ internal_event(STATE_WAITING);
+}
+
+void M2MInterfaceImpl::state_coap_data_processed( EventData */*data*/)
+{
+ tr_debug("M2MInterfaceImpl::state_coap_data_processed");
+ internal_event(STATE_WAITING);
+}
+
+void M2MInterfaceImpl::state_waiting( EventData */*data*/)
+{
+ tr_debug("M2MInterfaceImpl::state_waiting");
+}
+
+// generates an external event. called once per external event
+// to start the state machine executing
+void M2MInterfaceImpl::external_event(uint8_t new_state,
+ EventData* p_data)
+{
+ tr_debug("M2MInterfaceImpl::external_event : new state %d", new_state);
+ // if we are supposed to ignore this event
+ if (new_state == EVENT_IGNORED) {
+ tr_debug("M2MInterfaceImpl::external_event : new state is EVENT_IGNORED");
+ _event_ignored = true;
+ }
+ else {
+ tr_debug("M2MInterfaceImpl::external_event : handle new state");
+ // generate the event and execute the state engine
+ internal_event(new_state, p_data);
+ }
+}
+
+// generates an internal event. called from within a state
+// function to transition to a new state
+void M2MInterfaceImpl::internal_event(uint8_t new_state,
+ EventData* p_data)
+{
+ tr_debug("M2MInterfaceImpl::internal_event : new state %d", new_state);
+ _event_data = p_data;
+ _event_generated = true;
+ _current_state = new_state;
+ state_engine();
+}
+
+// the state engine executes the state machine states
+void M2MInterfaceImpl::state_engine (void)
+{
+ tr_debug("M2MInterfaceImpl::state_engine");
+ EventData* p_data_temp = NULL;
+
+ // while events are being generated keep executing states
+ while (_event_generated) {
+ p_data_temp = _event_data; // copy of event data pointer
+ _event_data = NULL; // event data used up, reset ptr
+ _event_generated = false; // event used up, reset flag
+
+ assert(_current_state < _max_states);
+
+ state_function( _current_state, p_data_temp );
+ }
+}
+
+void M2MInterfaceImpl::state_function( uint8_t current_state, EventData* data )
+{
+ switch( current_state ) {
+ case STATE_IDLE:
+ M2MInterfaceImpl::state_idle(data);
+ break;
+ case STATE_BOOTSTRAP:
+ #ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ M2MInterfaceImpl::state_bootstrap(data);
+ #endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ break;
+ case STATE_BOOTSTRAP_ADDRESS_RESOLVED:
+ #ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ M2MInterfaceImpl::state_bootstrap_address_resolved(data);
+ #endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ break;
+ case STATE_BOOTSTRAP_RESOURCE_CREATED:
+ #ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ M2MInterfaceImpl::state_bootstrap_resource_created(data);
+ #endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ break;
+ case STATE_BOOTSTRAP_WAIT:
+ case STATE_BOOTSTRAP_ERROR_WAIT:
+ #ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ // Do nothing, we're just waiting for data_sent callback
+ #endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ break;
+ case STATE_BOOTSTRAPPED:
+ #ifndef MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ M2MInterfaceImpl::state_bootstrapped(data);
+ #endif //MBED_CLIENT_DISABLE_BOOTSTRAP_FEATURE
+ break;
+ case STATE_REGISTER:
+ M2MInterfaceImpl::state_register(data);
+ break;
+ case STATE_REGISTER_ADDRESS_RESOLVED:
+ M2MInterfaceImpl::state_register_address_resolved(data);
+ break;
+ case STATE_REGISTERED:
+ M2MInterfaceImpl::state_registered(data);
+ break;
+ case STATE_UPDATE_REGISTRATION:
+ M2MInterfaceImpl::state_update_registration(data);
+ break;
+ case STATE_UNREGISTER:
+ M2MInterfaceImpl::state_unregister(data);
+ break;
+ case STATE_UNREGISTERED:
+ M2MInterfaceImpl::state_unregistered(data);
+ break;
+ case STATE_SENDING_COAP_DATA:
+ M2MInterfaceImpl::state_sending_coap_data(data);
+ break;
+ case STATE_COAP_DATA_SENT:
+ M2MInterfaceImpl::state_coap_data_sent(data);
+ break;
+ case STATE_COAP_DATA_RECEIVED:
+ M2MInterfaceImpl::state_coap_data_received(data);
+ break;
+ case STATE_PROCESSING_COAP_DATA:
+ M2MInterfaceImpl::state_processing_coap_data(data);
+ break;
+ case STATE_COAP_DATA_PROCESSED:
+ M2MInterfaceImpl::state_coap_data_processed(data);
+ break;
+ case STATE_WAITING:
+ M2MInterfaceImpl::state_waiting(data);
+ break;
+ }
+}
+
+void M2MInterfaceImpl::start_register_update(M2MUpdateRegisterData *data) {
+ tr_debug("M2MInterfaceImpl::start_register_update()");
+ if(!data || (data->_lifetime != 0 && (data->_lifetime < MINIMUM_REGISTRATION_TIME))) {
+ set_error_description(ERROR_REASON_18);
+ _observer.error(M2MInterface::InvalidParameters);
+ }
+
+ if (_reconnecting) {
+ //If client is in reconnection mode, ignore this call, state machine will reconnect on its own.
+ return;
+ } else if (_nsdl_interface.is_update_register_ongoing()) {
+ set_error_description(ERROR_REASON_27);
+ _observer.error(M2MInterface::NotAllowed);
+ return;
+ }
+
+ _reconnection_state = M2MInterfaceImpl::WithUpdate;
+ BEGIN_TRANSITION_MAP // - Current State -
+ TRANSITION_MAP_ENTRY (STATE_REGISTER) // state_idle
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrap
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state__bootstrap_address_resolved
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrap_resource_created
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrap_wait
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrap_error_wait
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_bootstrapped
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_register
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_register_address_resolved
+ TRANSITION_MAP_ENTRY (STATE_UPDATE_REGISTRATION) // state_registered
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_update_registration
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_unregister
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_unregistered
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_sending_coap_data
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_coap_data_sent
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_coap_data_received
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_processing_coap_data
+ TRANSITION_MAP_ENTRY (EVENT_IGNORED) // state_coap_data_processed
+ TRANSITION_MAP_ENTRY (STATE_UPDATE_REGISTRATION) // state_waiting
+ END_TRANSITION_MAP(data)
+ if(_event_ignored) {
+ _event_ignored = false;
+ if (!_reconnecting) {
+ set_error_description(ERROR_REASON_19);
+ _observer.error(M2MInterface::NotAllowed);
+ }
+ }
+}
+
+bool M2MInterfaceImpl::remove_object(M2MBase *object)
+{
+ return _nsdl_interface.remove_object_from_list(object);
+}
+
+void M2MInterfaceImpl::update_endpoint(const String &name) {
+ _nsdl_interface.update_endpoint(name);
+}
+
+void M2MInterfaceImpl::update_domain(const String &domain)
+{
+ _nsdl_interface.update_domain(domain);
+}
+
+const String M2MInterfaceImpl::internal_endpoint_name() const
+{
+ return _nsdl_interface.internal_endpoint_name();
+}
+
+const char *M2MInterfaceImpl::error_description() const
+{
+#ifndef DISABLE_ERROR_DESCRIPTION
+ return _error_description;
+#else
+ return "";
+#endif
+}
+
+void M2MInterfaceImpl::set_error_description(const char *description)
+{
+#ifndef DISABLE_ERROR_DESCRIPTION
+ if (strncmp(_error_description, description, sizeof(_error_description)) != 0) {
+ strncpy(_error_description, description, MAX_ALLOWED_ERROR_STRING_LENGTH - 1);
+ }
+#endif
+}
+
+bool M2MInterfaceImpl::queue_mode() const
+{
+ return (_binding_mode == M2MInterface::UDP_QUEUE ||
+ _binding_mode == M2MInterface::TCP_QUEUE ||
+ _binding_mode == M2MInterface::SMS_QUEUE ||
+ _binding_mode == M2MInterface::UDP_SMS_QUEUE);
+}
+
+void M2MInterfaceImpl::get_data_request(DownloadType type,
+ const char *uri,
+ const size_t offset,
+ const bool async,
+ get_data_cb data_cb,
+ get_data_error_cb error_cb,
+ void *context)
+{
+ get_data_req_error_e error = FAILED_TO_SEND_MSG;
+ if (uri) {
+ _nsdl_interface.send_request(type, uri, COAP_MSG_CODE_REQUEST_GET, offset, async, 0, 0, NULL, data_cb, error_cb, context);
+ } else {
+ error_cb(error, context);
+ }
+}
+
+void M2MInterfaceImpl::post_data_request(const char *uri,
+ const bool async,
+ const uint16_t payload_len,
+ uint8_t *payload_ptr,
+ get_data_cb data_cb,
+ get_data_error_cb error_cb,
+ void *context)
+{
+ get_data_req_error_e error = FAILED_TO_SEND_MSG;
+ if (uri) {
+ _nsdl_interface.send_request(GENERIC_DOWNLOAD, uri, COAP_MSG_CODE_REQUEST_POST, 0, async, 0, payload_len, payload_ptr, data_cb, error_cb, context);
+ } else {
+ error_cb(error, context);
+ }
+}
+
+bool M2MInterfaceImpl::set_uri_query_parameters(const char *uri_query_params)
+{
+ return _nsdl_interface.set_uri_query_parameters(uri_query_params);
+}
+
+void M2MInterfaceImpl::pause()
+{
+ tr_debug("M2MInterfaceImpl::pause");
+ _connection_handler.claim_mutex();
+ _queue_sleep_timer.stop_timer();
+ if (_registration_flow_timer) {
+ _registration_flow_timer->stop_timer();
+ }
+ _connection_handler.unregister_network_handler();
+ _nsdl_interface.set_request_context_to_be_resend(NULL, 0);
+ _connection_handler.stop_listening();
+ _retry_timer.stop_timer();
+ _reconnecting = false;
+ _reconnection_time = _initial_reconnection_time;
+ _reconnection_state = M2MInterfaceImpl::WithUpdate;
+
+ sn_nsdl_clear_coap_resending_queue(_nsdl_interface.get_nsdl_handle());
+ internal_event(STATE_IDLE);
+ _connection_handler.release_mutex();
+}
+
+void M2MInterfaceImpl::resume(void *iface, const M2MBaseList &list)
+{
+ tr_debug("M2MInterfaceImpl::resume");
+ _connection_handler.set_platform_network_handler(iface);
+ register_object(_security, list);
+}