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/*
* 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 includes functions for the Thread Commissioner role.
*/
#ifndef OPENTHREAD_COMMISSIONER_H_
#define OPENTHREAD_COMMISSIONER_H_
#include <openthread/dataset.h>
#include <openthread/ip6.h>
#include <openthread/joiner.h>
#include <openthread/platform/radio.h>
#include <openthread/platform/toolchain.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup api-commissioner
*
* @brief
* This module includes functions for the Thread Commissioner role.
*
* @{
*
*/
/**
* This enumeration defines the Commissioner State.
*
*/
typedef enum otCommissionerState
{
OT_COMMISSIONER_STATE_DISABLED = 0, ///< Commissioner role is disabled.
OT_COMMISSIONER_STATE_PETITION = 1, ///< Currently petitioning to become a Commissioner.
OT_COMMISSIONER_STATE_ACTIVE = 2, ///< Commissioner role is active.
} otCommissionerState;
/**
* This enumeration defines a Joiner Event on the Commissioner.
*
*/
typedef enum otCommissionerJoinerEvent
{
OT_COMMISSIONER_JOINER_START = 0,
OT_COMMISSIONER_JOINER_CONNECTED = 1,
OT_COMMISSIONER_JOINER_FINALIZE = 2,
OT_COMMISSIONER_JOINER_END = 3,
OT_COMMISSIONER_JOINER_REMOVED = 4,
} otCommissionerJoinerEvent;
#define OT_COMMISSIONING_PASSPHRASE_MIN_SIZE 6 ///< Minimum size of the Commissioning Passphrase
#define OT_COMMISSIONING_PASSPHRASE_MAX_SIZE 255 ///< Maximum size of the Commissioning Passphrase
#define OT_PROVISIONING_URL_MAX_SIZE 64 ///< Max size (number of chars) in Provisioning URL string (excludes null char).
#define OT_STEERING_DATA_MAX_LENGTH 16 ///< Max steering data length (bytes)
/**
* This structure represents the steering data.
*
*/
typedef struct otSteeringData
{
uint8_t mLength; ///< Length of steering data (bytes)
uint8_t m8[OT_STEERING_DATA_MAX_LENGTH]; ///< Byte values
} otSteeringData;
/**
* This structure represents a Commissioning Dataset.
*
*/
typedef struct otCommissioningDataset
{
uint16_t mLocator; ///< Border Router RLOC16
uint16_t mSessionId; ///< Commissioner Session Id
otSteeringData mSteeringData; ///< Steering Data
uint16_t mJoinerUdpPort; ///< Joiner UDP Port
bool mIsLocatorSet : 1; ///< TRUE if Border Router RLOC16 is set, FALSE otherwise.
bool mIsSessionIdSet : 1; ///< TRUE if Commissioner Session Id is set, FALSE otherwise.
bool mIsSteeringDataSet : 1; ///< TRUE if Steering Data is set, FALSE otherwise.
bool mIsJoinerUdpPortSet : 1; ///< TRUE if Joiner UDP Port is set, FALSE otherwise.
} otCommissioningDataset;
#define OT_JOINER_MAX_PSKD_LENGTH 32 ///< Maximum string length of a Joiner PSKd (does not include null char).
/**
* This structure represents a Joiner PSKd.
*
*/
typedef struct otJoinerPskd
{
char m8[OT_JOINER_MAX_PSKD_LENGTH + 1]; ///< Char string array (must be null terminated - +1 is for null char).
} otJoinerPskd;
/**
* This enumeration defines a Joiner Info Type.
*
*/
typedef enum otJoinerInfoType
{
OT_JOINER_INFO_TYPE_ANY = 0, ///< Accept any Joiner (no EUI64 or Discerner is specified).
OT_JOINER_INFO_TYPE_EUI64 = 1, ///< Joiner EUI-64 is specified (`mSharedId.mEui64` in `otJoinerInfo`).
OT_JOINER_INFO_TYPE_DISCERNER = 2, ///< Joiner Discerner is specified (`mSharedId.mDiscerner` in `otJoinerInfo`).
} otJoinerInfoType;
/**
* This structure represents a Joiner Info.
*
*/
typedef struct otJoinerInfo
{
otJoinerInfoType mType; ///< Joiner type.
union
{
otExtAddress mEui64; ///< Joiner EUI64 (when `mType` is `OT_JOINER_INFO_TYPE_EUI64`)
otJoinerDiscerner mDiscerner; ///< Joiner Discerner (when `mType` is `OT_JOINER_INFO_TYPE_DISCERNER`)
} mSharedId; ///< Shared fields
otJoinerPskd mPskd; ///< Joiner PSKd
uint32_t mExpirationTime; ///< Joiner expiration time in msec
} otJoinerInfo;
/**
* This function pointer is called whenever the commissioner state changes.
*
* @param[in] aState The Commissioner state.
* @param[in] aContext A pointer to application-specific context.
*
*/
typedef void (*otCommissionerStateCallback)(otCommissionerState aState, void *aContext);
/**
* This function pointer is called whenever the joiner state changes.
*
* @param[in] aEvent The joiner event type.
* @param[in] aJoinerInfo A pointer to the Joiner Info.
* @param[in] aJoinerId A pointer to the Joiner ID (if not known, it will be NULL).
* @param[in] aContext A pointer to application-specific context.
*
*/
typedef void (*otCommissionerJoinerCallback)(otCommissionerJoinerEvent aEvent,
const otJoinerInfo * aJoinerInfo,
const otExtAddress * aJoinerId,
void * aContext);
/**
* This function enables the Thread Commissioner role.
*
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aStateCallback A pointer to a function that is called when the commissioner state changes.
* @param[in] aJoinerCallback A pointer to a function that is called with a joiner event occurs.
* @param[in] aCallbackContext A pointer to application-specific context.
*
* @retval OT_ERROR_NONE Successfully started the Commissioner service.
* @retval OT_ERROR_ALREADY Commissioner is already started.
* @retval OT_ERROR_INVALID_STATE Device is not currently attached to a network.
*
*/
otError otCommissionerStart(otInstance * aInstance,
otCommissionerStateCallback aStateCallback,
otCommissionerJoinerCallback aJoinerCallback,
void * aCallbackContext);
/**
* This function disables the Thread Commissioner role.
*
* @param[in] aInstance A pointer to an OpenThread instance.
*
* @retval OT_ERROR_NONE Successfully stopped the Commissioner service.
* @retval OT_ERROR_ALREADY Commissioner is already stopped.
*
*/
otError otCommissionerStop(otInstance *aInstance);
/**
* This function returns the Commissioner Id.
*
* @param[in] aInstance A pointer to an OpenThread instance.
*
* @returns The Commissioner Id.
*
*/
const char *otCommissionerGetId(otInstance *aInstance);
/**
* This function sets the Commissioner Id.
*
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aId A pointer to a string character array. Must be null terminated.
*
* @retval OT_ERROR_NONE Successfully set the Commissioner Id.
* @retval OT_ERROR_INVALID_ARGS Given name is too long.
* @retval OT_ERROR_INVALID_STATE The commissioner is active and id cannot be changed.
*
*/
otError otCommissionerSetId(otInstance *aInstance, const char *aId);
/**
* This function adds a Joiner entry.
*
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aEui64 A pointer to the Joiner's IEEE EUI-64 or NULL for any Joiner.
* @param[in] aPskd A pointer to the PSKd.
* @param[in] aTimeout A time after which a Joiner is automatically removed, in seconds.
*
* @retval OT_ERROR_NONE Successfully added the Joiner.
* @retval OT_ERROR_NO_BUFS No buffers available to add the Joiner.
* @retval OT_ERROR_INVALID_ARGS @p aEui64 or @p aPskd is invalid.
* @retval OT_ERROR_INVALID_STATE The commissioner is not active.
*
* @note Only use this after successfully starting the Commissioner role with otCommissionerStart().
*
*/
otError otCommissionerAddJoiner(otInstance * aInstance,
const otExtAddress *aEui64,
const char * aPskd,
uint32_t aTimeout);
/**
* This function adds a Joiner entry with a given Joiner Discerner value.
*
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aDiscerner A pointer to the Joiner Discerner.
* @param[in] aPskd A pointer to the PSKd.
* @param[in] aTimeout A time after which a Joiner is automatically removed, in seconds.
*
* @retval OT_ERROR_NONE Successfully added the Joiner.
* @retval OT_ERROR_NO_BUFS No buffers available to add the Joiner.
* @retval OT_ERROR_INVALID_ARGS @p aDiscerner or @p aPskd is invalid.
* @retval OT_ERROR_INVALID_STATE The commissioner is not active.
*
* @note Only use this after successfully starting the Commissioner role with otCommissionerStart().
*
*/
otError otCommissionerAddJoinerWithDiscerner(otInstance * aInstance,
const otJoinerDiscerner *aDiscerner,
const char * aPskd,
uint32_t aTimeout);
/**
* This method get joiner info at aIterator position.
*
* @param[in] aInstance A pointer to instance.
* @param[in,out] aIterator A pointer to the Joiner Info iterator context.
* @param[out] aJoiner A reference to Joiner info.
*
* @retval OT_ERROR_NONE Successfully get the Joiner info.
* @retval OT_ERROR_NOT_FOUND Not found next Joiner.
*
*/
otError otCommissionerGetNextJoinerInfo(otInstance *aInstance, uint16_t *aIterator, otJoinerInfo *aJoiner);
/**
* This function removes a Joiner entry.
*
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aEui64 A pointer to the Joiner's IEEE EUI-64 or NULL for any Joiner.
*
* @retval OT_ERROR_NONE Successfully removed the Joiner.
* @retval OT_ERROR_NOT_FOUND The Joiner specified by @p aEui64 was not found.
* @retval OT_ERROR_INVALID_ARGS @p aEui64 is invalid.
* @retval OT_ERROR_INVALID_STATE The commissioner is not active.
*
* @note Only use this after successfully starting the Commissioner role with otCommissionerStart().
*
*/
otError otCommissionerRemoveJoiner(otInstance *aInstance, const otExtAddress *aEui64);
/**
* This function removes a Joiner entry.
*
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aDiscerner A pointer to the Joiner Discerner.
*
* @retval OT_ERROR_NONE Successfully removed the Joiner.
* @retval OT_ERROR_NOT_FOUND The Joiner specified by @p aEui64 was not found.
* @retval OT_ERROR_INVALID_ARGS @p aDiscerner is invalid.
* @retval OT_ERROR_INVALID_STATE The commissioner is not active.
*
* @note Only use this after successfully starting the Commissioner role with otCommissionerStart().
*
*/
otError otCommissionerRemoveJoinerWithDiscerner(otInstance *aInstance, const otJoinerDiscerner *aDiscerner);
/**
* This function gets the Provisioning URL.
*
* @param[in] aInstance A pointer to an OpenThread instance.
*
* @returns A pointer to the URL string.
*
*/
const char *otCommissionerGetProvisioningUrl(otInstance *aInstance);
/**
* This function sets the Provisioning URL.
*
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aProvisioningUrl A pointer to the Provisioning URL (may be NULL to set as empty string).
*
* @retval OT_ERROR_NONE Successfully set the Provisioning URL.
* @retval OT_ERROR_INVALID_ARGS @p aProvisioningUrl is invalid (too long).
*
*/
otError otCommissionerSetProvisioningUrl(otInstance *aInstance, const char *aProvisioningUrl);
/**
* This function sends an Announce Begin message.
*
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aChannelMask The channel mask value.
* @param[in] aCount The number of Announcement messages per channel.
* @param[in] aPeriod The time between two successive MLE Announce transmissions (in milliseconds).
* @param[in] aAddress A pointer to the IPv6 destination.
*
* @retval OT_ERROR_NONE Successfully enqueued the Announce Begin message.
* @retval OT_ERROR_NO_BUFS Insufficient buffers to generate an Announce Begin message.
* @retval OT_ERROR_INVALID_STATE The commissioner is not active.
*
* @note Only use this after successfully starting the Commissioner role with otCommissionerStart().
*
*/
otError otCommissionerAnnounceBegin(otInstance * aInstance,
uint32_t aChannelMask,
uint8_t aCount,
uint16_t aPeriod,
const otIp6Address *aAddress);
/**
* This function pointer is called when the Commissioner receives an Energy Report.
*
* @param[in] aChannelMask The channel mask value.
* @param[in] aEnergyList A pointer to the energy measurement list.
* @param[in] aEnergyListLength Number of entries in @p aEnergyListLength.
* @param[in] aContext A pointer to application-specific context.
*
*/
typedef void (*otCommissionerEnergyReportCallback)(uint32_t aChannelMask,
const uint8_t *aEnergyList,
uint8_t aEnergyListLength,
void * aContext);
/**
* This function sends an Energy Scan Query message.
*
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aChannelMask The channel mask value.
* @param[in] aCount The number of energy measurements per channel.
* @param[in] aPeriod The time between energy measurements (milliseconds).
* @param[in] aScanDuration The scan duration for each energy measurement (milliseconds).
* @param[in] aAddress A pointer to the IPv6 destination.
* @param[in] aCallback A pointer to a function called on receiving an Energy Report message.
* @param[in] aContext A pointer to application-specific context.
*
* @retval OT_ERROR_NONE Successfully enqueued the Energy Scan Query message.
* @retval OT_ERROR_NO_BUFS Insufficient buffers to generate an Energy Scan Query message.
* @retval OT_ERROR_INVALID_STATE The commissioner is not active.
*
* @note Only use this after successfully starting the Commissioner role with otCommissionerStart().
*
*/
otError otCommissionerEnergyScan(otInstance * aInstance,
uint32_t aChannelMask,
uint8_t aCount,
uint16_t aPeriod,
uint16_t aScanDuration,
const otIp6Address * aAddress,
otCommissionerEnergyReportCallback aCallback,
void * aContext);
/**
* This function pointer is called when the Commissioner receives a PAN ID Conflict message.
*
* @param[in] aPanId The PAN ID value.
* @param[in] aChannelMask The channel mask value.
* @param[in] aContext A pointer to application-specific context.
*
*/
typedef void (*otCommissionerPanIdConflictCallback)(uint16_t aPanId, uint32_t aChannelMask, void *aContext);
/**
* This function sends a PAN ID Query message.
*
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aPanId The PAN ID to query.
* @param[in] aChannelMask The channel mask value.
* @param[in] aAddress A pointer to the IPv6 destination.
* @param[in] aCallback A pointer to a function called on receiving a PAN ID Conflict message.
* @param[in] aContext A pointer to application-specific context.
*
* @retval OT_ERROR_NONE Successfully enqueued the PAN ID Query message.
* @retval OT_ERROR_NO_BUFS Insufficient buffers to generate a PAN ID Query message.
* @retval OT_ERROR_INVALID_STATE The commissioner is not active.
*
* @note Only use this after successfully starting the Commissioner role with otCommissionerStart().
*
*/
otError otCommissionerPanIdQuery(otInstance * aInstance,
uint16_t aPanId,
uint32_t aChannelMask,
const otIp6Address * aAddress,
otCommissionerPanIdConflictCallback aCallback,
void * aContext);
/**
* This function sends MGMT_COMMISSIONER_GET.
*
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aTlvs A pointer to TLVs.
* @param[in] aLength The length of TLVs.
*
* @retval OT_ERROR_NONE Successfully send the meshcop dataset command.
* @retval OT_ERROR_NO_BUFS Insufficient buffer space to send.
* @retval OT_ERROR_INVALID_STATE The commissioner is not active.
*
*/
otError otCommissionerSendMgmtGet(otInstance *aInstance, const uint8_t *aTlvs, uint8_t aLength);
/**
* This function sends MGMT_COMMISSIONER_SET.
*
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aDataset A pointer to commissioning dataset.
* @param[in] aTlvs A pointer to TLVs.
* @param[in] aLength The length of TLVs.
*
* @retval OT_ERROR_NONE Successfully send the meshcop dataset command.
* @retval OT_ERROR_NO_BUFS Insufficient buffer space to send.
* @retval OT_ERROR_INVALID_STATE The commissioner is not active.
*
*/
otError otCommissionerSendMgmtSet(otInstance * aInstance,
const otCommissioningDataset *aDataset,
const uint8_t * aTlvs,
uint8_t aLength);
/**
* This function returns the Commissioner Session ID.
*
* @param[in] aInstance A pointer to an OpenThread instance.
*
* @returns The current commissioner session id.
*
*/
uint16_t otCommissionerGetSessionId(otInstance *aInstance);
/**
* This function returns the Commissioner State.
*
* @param[in] aInstance A pointer to an OpenThread instance.
*
* @retval OT_COMMISSIONER_STATE_DISABLED Commissioner disabled.
* @retval OT_COMMISSIONER_STATE_PETITION Becoming the commissioner.
* @retval OT_COMMISSIONER_STATE_ACTIVE Commissioner enabled.
*
*/
otCommissionerState otCommissionerGetState(otInstance *aInstance);
/**
* @}
*
*/
#ifdef __cplusplus
} // end of extern "C"
#endif
#endif // OPENTHREAD_COMMISSIONER_H_