Example
Dependencies: FXAS21002 FXOS8700Q
simple-mbed-cloud-client/mbed-cloud-client/mbed-client/mbed-client/m2minterface.h
- Committer:
- maygup01
- Date:
- 2019-11-19
- Revision:
- 0:11cc2b7889af
File content as of revision 0:11cc2b7889af:
/* * 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. */ #ifndef M2M_INTERFACE_H #define M2M_INTERFACE_H #include <stdint.h> #include "mbed-client/m2mvector.h" #include "mbed-client/m2mconfig.h" #include "mbed-client/functionpointer.h" #include "sn_coap_protocol.h" #include "nsdl-c/sn_nsdl_lib.h" //FORWARD DECLARATION class M2MSecurity; class M2MObject; class M2MBase; class M2MInterfaceObserver; typedef Vector<M2MObject*> M2MObjectList; typedef Vector<M2MBase*> M2MBaseList; typedef FP callback_handler; typedef enum request_error_e { FAILED_TO_SEND_MSG = 0, // Message sending has failed FAILED_TO_ALLOCATE_MEMORY = 1, // Can't allocate memory for the request ERROR_NOT_REGISTERED = 2 // Not registered, request will NOT to be stored for resending purposes } request_error_t; typedef request_error_e get_data_req_error_e; typedef request_error_t get_data_req_error_t; /*! * @brief A callback function to receive data from GET request. * Transfer is completed once total size equals to received size. * Caller needs to take care of counting how many bytes it has received. * @param buffer Buffer containing the payload. * @param buffer_size Size of the payload. * @param total_size Total size of the package. This information is available only in first package. * Caller must store this information to detect when the download has completed. * @param last_block True when this is the last block received, false if more blocks will come. * @param context Application context */ typedef void (*request_data_cb)(const uint8_t *buffer, size_t buffer_size, size_t total_size, bool last_block, void *context); typedef request_data_cb get_data_cb; // For backward compatibility /*! * @brief A callback function to receive errors from GET transfer. * @param error_code * @param context Application context */ typedef void (*request_error_cb)(request_error_t error_code, void *context); typedef request_error_cb get_data_error_cb; // For backward compatibility /*! \file m2minterface.h * \brief M2MInterface. * This class provides an interface for handling all mbed Client interface operations * defined in the OMA LWM2M specifications. * This includes Bootstrapping, Client Registration, Device Management & * Service Enablement and Information Reporting. */ class M2MInterface { public: /** * \brief An enum defining different kinds of errors * that can occur during various client operations. */ typedef enum { ErrorNone = 0, AlreadyExists, BootstrapFailed, InvalidParameters, NotRegistered, Timeout, NetworkError, ResponseParseFailed, UnknownError, MemoryFail, NotAllowed, SecureConnectionFailed, DnsResolvingFailed, UnregistrationFailed, ESTEnrollmentFailed, FailedToStoreCredentials, FailedToReadCredentials }Error; /** * \brief An enum defining different kinds of binding * modes handled for client operations. */ typedef enum { NOT_SET = 0, UDP = 0x01, UDP_QUEUE = 0x03, SMS = 0x04, SMS_QUEUE =0x06, UDP_SMS_QUEUE = 0x07, TCP = 0x09, //not real value, spec does not have one! //this has nsdl binding mode bit UDP set TCP_QUEUE = 0x0b //not real value, spec does not have one! //this has nsdl binding mode bits, UDP and UDP_QUEUE set }BindingMode; /** * \brief An enum defining different kinds of network * stacks that can be used by mbed Client. */ typedef enum { Uninitialized = 0, LwIP_IPv4, LwIP_IPv6, Reserved, Nanostack_IPv6, ATWINC_IPv4, Unknown }NetworkStack; public: virtual ~M2MInterface(){} /** * \brief Initiates bootstrapping of the client with the provided Bootstrap * Server information. * NOTE: This API is not supported for developers!! * \param security_object A security object that contains information * required for successful bootstrapping of the client. */ virtual void bootstrap(M2MSecurity *security_object) = 0; /** * \brief Cancels an ongoing bootstrapping operation of the client. If the client has * already successfully bootstrapped, this function deletes the existing * bootstrap information from the client. * NOTE: This API is not supported for developers!! */ virtual void cancel_bootstrap() = 0; /** * \brief Finishes bootstrap in cases where client will be the one to finish it. */ virtual void finish_bootstrap() = 0; /** * \brief Initiates the registration of a provided security object to the * corresponding LWM2M server. * \param security_object The security object that contains information * required for registering to the LWM2M server. * If the client wants to register to multiple LWM2M servers, it must call * this function once for each of the LWM2M server objects separately. * \param object_list Objects that contain information about the * client attempting to register to the LWM2M server. */ virtual void register_object(M2MSecurity *security_object, const M2MBaseList &list) = 0; /** * \brief Initiates the registration of a provided security object to the * corresponding LWM2M server. * \param security_object The security object that contains information * required for registering to the LWM2M server. * If the client wants to register to multiple LWM2M servers, it must call * this function once for each of the LWM2M server objects separately. * \param object_list Objects that contain information about the * client attempting to register to the LWM2M server. */ virtual void register_object(M2MSecurity *security_object, const M2MObjectList &object_list) = 0; /** * \brief Removes an object from M2MInterface. * Does not call delete on the object though. * \return true if the object was found and false if the object was not found. */ virtual bool remove_object(M2MBase *base) = 0; /** * \brief Updates or refreshes the client's registration on the LWM2M * server. * \param security_object A security object from which the device object * needs to update the registration. If there is only one LWM2M server registered, * this parameter can be NULL. * \param lifetime The lifetime of the endpoint client in seconds. If the same value * has to be passed, set the default value to 0. */ virtual void update_registration(M2MSecurity *security_object, const uint32_t lifetime = 0) = 0; /** * \brief Updates or refreshes the client's registration on the LWM2M * server. Use this function to publish new objects to LWM2M server. * \param security_object The security object from which the device object * needs to update the registration. If there is only one LWM2M server registered, * this parameter can be NULL. * \param object_list Objects that contain information about the * client attempting to register to the LWM2M server. * \param lifetime The lifetime of the endpoint client in seconds. If the same value * has to be passed, set the default value to 0. */ virtual void update_registration(M2MSecurity *security_object, const M2MBaseList &list, const uint32_t lifetime = 0) = 0; /** * \brief Updates or refreshes the client's registration on the LWM2M * server. Use this function to publish new objects to LWM2M server. * \param security_object The security object from which the device object * needs to update the registration. If there is only one LWM2M server registered, * this parameter can be NULL. * \param object_list Objects that contain information about the * client attempting to register to the LWM2M server. * \param lifetime The lifetime of the endpoint client in seconds. If the same value * has to be passed, set the default value to 0. */ virtual void update_registration(M2MSecurity *security_object, const M2MObjectList &object_list, const uint32_t lifetime = 0) = 0; /** * \brief Unregisters the registered object from the LWM2M server. * \param security_object The security object from which the device object * needs to be unregistered. If there is only one LWM2M server registered, * this parameter can be NULL. */ virtual void unregister_object(M2MSecurity* security_object = NULL) = 0; /** * \brief Sets the function that is called for indicating that the client * is going to sleep when the binding mode is selected with queue mode. * \param callback A function pointer that is called when the client * goes to sleep. */ virtual void set_queue_sleep_handler(callback_handler handler) = 0; /** * \brief Sets the function callback that is called by mbed Client to * fetch a random number from an application to ensure strong entropy. * \param random_callback A function pointer that is called by mbed Client * while performing a secure handshake. * The function signature should be uint32_t (*random_number_callback)(void); */ virtual void set_random_number_callback(random_number_cb callback) = 0; /** * \brief Sets the function callback that is called by mbed Client to * provide an entropy source from an application to ensure strong entropy. * \param entropy_callback A function pointer that is called by mbed Client * while performing a secure handshake. * Function signature, if using mbed-client-mbedtls, should be * int (*mbedtls_entropy_f_source_ptr)(void *data, unsigned char *output, * size_t len, size_t *olen); */ virtual void set_entropy_callback(entropy_cb callback) = 0; /** * \brief Sets the network interface handler that is used by mbed Client to connect * to a network over IP. * \param handler A network interface handler that is used by mbed Client to connect. * This API is optional but it provides a mechanism for different platforms to * manage the usage of underlying network interface by the client. */ virtual void set_platform_network_handler(void *handler = NULL) = 0; /** * @brief Updates the endpoint name. * @param name New endpoint name */ virtual void update_endpoint(const String &name) = 0; /** * @brief Updates the domain name. * @param domain New domain name */ virtual void update_domain(const String &domain) = 0; /** * @brief Return internal endpoint name * @return internal endpoint name */ virtual const String internal_endpoint_name() const = 0; /** * @brief Return error description for the latest error code * @return Error description string */ virtual const char *error_description() const = 0; /** * @brief Sends the CoAP GET request to the server. * @type Download type. * @uri Uri path to the data. * @offset Data offset. * @async In async mode application must call this API again with the updated offset. * If set to false then client will automatically download the whole package. * @get_data_cb Callback which is triggered once there is data available. * @get_data_error_cb Callback which is trigged in case of any error. */ virtual void get_data_request(DownloadType type, const char *uri, const size_t offset, const bool async, get_data_cb, get_data_error_cb, void *context) = 0; /** * @brief Sends the CoAP POST request to the server. * @uri Uri path to the data. * @async In async mode application must call this API again with the updated offset. * If set to false then client will automatically download the whole package. * @payload_len Length of payload. * @payload_ptr, Pointer to payload buffer. * @get_data_cb Callback which is triggered once there is data available. * @get_data_error_cb Callback which is trigged in case of any error. */ virtual void 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) = 0; /** * @brief Set custom uri query paramaters used in LWM2M registration. * @uri_query_params Uri query params. Parameters must be in key-value format: * "a=100&b=200". Maximum length can be up to 64 bytes. * @return False if maximum length exceeded otherwise True. */ virtual bool set_uri_query_parameters(const char *uri_query_params) = 0; /** * \brief Pauses client's timed functionality and closes network connection * to the Cloud. After successful call the operation is continued * by calling resume(). * * \note This operation does not unregister client from the Cloud. * Closes the socket and removes interface from the interface list. */ virtual void pause() = 0; /** * \brief Resumes client's timed functionality and network connection * to the Cloud. Updates registration. Can be only called after * a successful call to pause(). * * \param iface A handler to the network interface. * \param object_list Objects that contain information about the resources to * register to the LWM2M server. */ virtual void resume(void *iface, const M2MBaseList &object_list) = 0; }; #endif // M2M_INTERFACE_H