| /* |
| * Copyright (c) 2016, The OpenThread Authors. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holder nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** |
| * @file |
| * @brief |
| * This file defines the OpenThread Instance API. |
| */ |
| |
| #ifndef OPENTHREAD_INSTANCE_H_ |
| #define OPENTHREAD_INSTANCE_H_ |
| |
| #include <stdlib.h> |
| |
| #include <openthread/error.h> |
| #include <openthread/platform/logging.h> |
| #include <openthread/platform/toolchain.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * @addtogroup api-instance |
| * |
| * @brief |
| * This module includes functions that control the OpenThread Instance. |
| * |
| * @{ |
| * |
| */ |
| |
| /** |
| * This structure represents the OpenThread instance structure. |
| */ |
| typedef struct otInstance otInstance; |
| |
| /** |
| * This function initializes the OpenThread library. |
| * |
| * This function initializes OpenThread and prepares it for subsequent OpenThread API calls. This function must be |
| * called before any other calls to OpenThread. |
| * |
| * This function is available and can only be used when support for multiple OpenThread instances is enabled. |
| * |
| * @param[in] aInstanceBuffer The buffer for OpenThread to use for allocating the otInstance structure. |
| * @param[inout] aInstanceBufferSize On input, the size of aInstanceBuffer. On output, if not enough space for |
| * otInstance, the number of bytes required for otInstance. |
| * |
| * @returns A pointer to the new OpenThread instance. |
| * |
| * @sa otInstanceFinalize |
| * |
| */ |
| otInstance *otInstanceInit(void *aInstanceBuffer, size_t *aInstanceBufferSize); |
| |
| /** |
| * This function initializes the static single instance of the OpenThread library. |
| * |
| * This function initializes OpenThread and prepares it for subsequent OpenThread API calls. This function must be |
| * called before any other calls to OpenThread. |
| * |
| * This function is available and can only be used when support for multiple OpenThread instances is disabled. |
| * |
| * @returns A pointer to the single OpenThread instance. |
| * |
| */ |
| otInstance *otInstanceInitSingle(void); |
| |
| /** |
| * This function indicates whether or not the instance is valid/initialized. |
| * |
| * The instance is considered valid if it is acquired and initialized using either `otInstanceInitSingle()` (in single |
| * instance case) or `otInstanceInit()` (in multi instance case). A subsequent call to `otInstanceFinalize()` causes |
| * the instance to be considered as uninitialized. |
| * |
| * @param[in] aInstance A pointer to an OpenThread instance. |
| * |
| * @returns TRUE if the given instance is valid/initialized, FALSE otherwise. |
| * |
| */ |
| bool otInstanceIsInitialized(otInstance *aInstance); |
| |
| /** |
| * This function disables the OpenThread library. |
| * |
| * Call this function when OpenThread is no longer in use. |
| * |
| * @param[in] aInstance A pointer to an OpenThread instance. |
| * |
| */ |
| void otInstanceFinalize(otInstance *aInstance); |
| |
| /** |
| * This enumeration defines flags that are passed as part of `otStateChangedCallback`. |
| * |
| */ |
| enum |
| { |
| OT_CHANGED_IP6_ADDRESS_ADDED = 1 << 0, ///< IPv6 address was added |
| OT_CHANGED_IP6_ADDRESS_REMOVED = 1 << 1, ///< IPv6 address was removed |
| OT_CHANGED_THREAD_ROLE = 1 << 2, ///< Role (disabled, detached, child, router, leader) changed |
| OT_CHANGED_THREAD_LL_ADDR = 1 << 3, ///< The link-local address changed |
| OT_CHANGED_THREAD_ML_ADDR = 1 << 4, ///< The mesh-local address changed |
| OT_CHANGED_THREAD_RLOC_ADDED = 1 << 5, ///< RLOC was added |
| OT_CHANGED_THREAD_RLOC_REMOVED = 1 << 6, ///< RLOC was removed |
| OT_CHANGED_THREAD_PARTITION_ID = 1 << 7, ///< Partition ID changed |
| OT_CHANGED_THREAD_KEY_SEQUENCE_COUNTER = 1 << 8, ///< Thread Key Sequence changed |
| OT_CHANGED_THREAD_NETDATA = 1 << 9, ///< Thread Network Data changed |
| OT_CHANGED_THREAD_CHILD_ADDED = 1 << 10, ///< Child was added |
| OT_CHANGED_THREAD_CHILD_REMOVED = 1 << 11, ///< Child was removed |
| OT_CHANGED_IP6_MULTICAST_SUBSCRIBED = 1 << 12, ///< Subscribed to a IPv6 multicast address |
| OT_CHANGED_IP6_MULTICAST_UNSUBSCRIBED = 1 << 13, ///< Unsubscribed from a IPv6 multicast address |
| OT_CHANGED_THREAD_CHANNEL = 1 << 14, ///< Thread network channel changed |
| OT_CHANGED_THREAD_PANID = 1 << 15, ///< Thread network PAN Id changed |
| OT_CHANGED_THREAD_NETWORK_NAME = 1 << 16, ///< Thread network name changed |
| OT_CHANGED_THREAD_EXT_PANID = 1 << 17, ///< Thread network extended PAN ID changed |
| OT_CHANGED_MASTER_KEY = 1 << 18, ///< Master key changed |
| OT_CHANGED_PSKC = 1 << 19, ///< PSKc changed |
| OT_CHANGED_SECURITY_POLICY = 1 << 20, ///< Security Policy changed |
| OT_CHANGED_CHANNEL_MANAGER_NEW_CHANNEL = 1 << 21, ///< Channel Manager new pending Thread channel changed |
| OT_CHANGED_SUPPORTED_CHANNEL_MASK = 1 << 22, ///< Supported channel mask changed |
| OT_CHANGED_BORDER_AGENT_STATE = 1 << 23, ///< Border agent state changed |
| OT_CHANGED_THREAD_NETIF_STATE = 1 << 24, ///< Thread network interface state changed |
| }; |
| |
| /** |
| * This type represents a bit-field indicating specific state/configuration that has changed. See `OT_CHANGED_*` |
| * definitions. |
| * |
| */ |
| typedef uint32_t otChangedFlags; |
| |
| /** |
| * This function pointer is called to notify certain configuration or state changes within OpenThread. |
| * |
| * @param[in] aFlags A bit-field indicating specific state that has changed. See `OT_CHANGED_*` definitions. |
| * @param[in] aContext A pointer to application-specific context. |
| * |
| */ |
| typedef void (*otStateChangedCallback)(otChangedFlags aFlags, void *aContext); |
| |
| /** |
| * This function registers a callback to indicate when certain configuration or state changes within OpenThread. |
| * |
| * @param[in] aInstance A pointer to an OpenThread instance. |
| * @param[in] aCallback A pointer to a function that is called with certain configuration or state changes. |
| * @param[in] aContext A pointer to application-specific context. |
| * |
| * @retval OT_ERROR_NONE Added the callback to the list of callbacks. |
| * @retval OT_ERROR_ALREADY The callback was already registered. |
| * @retval OT_ERROR_NO_BUFS Could not add the callback due to resource constraints. |
| * |
| */ |
| otError otSetStateChangedCallback(otInstance *aInstance, otStateChangedCallback aCallback, void *aContext); |
| |
| /** |
| * This function removes a callback to indicate when certain configuration or state changes within OpenThread. |
| * |
| * @param[in] aInstance A pointer to an OpenThread instance. |
| * @param[in] aCallback A pointer to a function that is called with certain configuration or state changes. |
| * @param[in] aContext A pointer to application-specific context. |
| * |
| */ |
| void otRemoveStateChangeCallback(otInstance *aInstance, otStateChangedCallback aCallback, void *aContext); |
| |
| /** |
| * This method triggers a platform reset. |
| * |
| * The reset process ensures that all the OpenThread state/info (stored in volatile memory) is erased. Note that the |
| * `otPlatformReset` does not erase any persistent state/info saved in non-volatile memory. |
| * |
| * @param[in] aInstance A pointer to an OpenThread instance. |
| */ |
| void otInstanceReset(otInstance *aInstance); |
| |
| /** |
| * This method deletes all the settings stored on non-volatile memory, and then triggers platform reset. |
| * |
| * @param[in] aInstance A pointer to an OpenThread instance. |
| */ |
| void otInstanceFactoryReset(otInstance *aInstance); |
| |
| /** |
| * This function erases all the OpenThread persistent info (network settings) stored on non-volatile memory. |
| * Erase is successful only if the device is in `disabled` state/role. |
| * |
| * @param[in] aInstance A pointer to an OpenThread instance. |
| * |
| * @retval OT_ERROR_NONE All persistent info/state was erased successfully. |
| * @retval OT_ERROR_INVALID_STATE Device is not in `disabled` state/role. |
| * |
| */ |
| otError otInstanceErasePersistentInfo(otInstance *aInstance); |
| |
| /** |
| * This function gets the OpenThread version string. |
| * |
| * @returns A pointer to the OpenThread version. |
| * |
| */ |
| const char *otGetVersionString(void); |
| |
| /** |
| * This function gets the OpenThread radio version string. |
| * |
| * @param[in] aInstance A pointer to an OpenThread instance. |
| * |
| * @returns A pointer to the OpenThread radio version. |
| * |
| */ |
| const char *otGetRadioVersionString(otInstance *aInstance); |
| |
| /** |
| * @} |
| * |
| */ |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // OPENTHREAD_INSTANCE_H_ |