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Fork of BLE_API by Bluetooth Low Energy

ble/GattServer.h@905:d7b3121ed982, 2015-11-26 (annotated)

Committer:
rgrover1
Date:
Thu Nov 26 12:52:02 2015 +0000
Revision:
905:d7b3121ed982
Parent:
826:00415ff9e2a7
Child:
906:8ddab3271c2f
Synchronized with git rev 3b89792a

Author: Irit Arkin

New version



Based on the main repo's master version, with edits to the API.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rgrover1 710:b2e1a2660ec2 1 /* mbed Microcontroller Library
rgrover1 710:b2e1a2660ec2 2 * Copyright (c) 2006-2013 ARM Limited
rgrover1 710:b2e1a2660ec2 3 *
rgrover1 710:b2e1a2660ec2 4 * Licensed under the Apache License, Version 2.0 (the "License");
rgrover1 710:b2e1a2660ec2 5 * you may not use this file except in compliance with the License.
rgrover1 710:b2e1a2660ec2 6 * You may obtain a copy of the License at
rgrover1 710:b2e1a2660ec2 7 *
rgrover1 710:b2e1a2660ec2 8 * http://www.apache.org/licenses/LICENSE-2.0
rgrover1 710:b2e1a2660ec2 9 *
rgrover1 710:b2e1a2660ec2 10 * Unless required by applicable law or agreed to in writing, software
rgrover1 710:b2e1a2660ec2 11 * distributed under the License is distributed on an "AS IS" BASIS,
rgrover1 710:b2e1a2660ec2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rgrover1 710:b2e1a2660ec2 13 * See the License for the specific language governing permissions and
rgrover1 710:b2e1a2660ec2 14 * limitations under the License.
rgrover1 710:b2e1a2660ec2 15 */
rgrover1 710:b2e1a2660ec2 16
rgrover1 710:b2e1a2660ec2 17 #ifndef __GATT_SERVER_H__
rgrover1 710:b2e1a2660ec2 18 #define __GATT_SERVER_H__
rgrover1 710:b2e1a2660ec2 19
rgrover1 710:b2e1a2660ec2 20 #include "Gap.h"
rgrover1 710:b2e1a2660ec2 21 #include "GattService.h"
rgrover1 710:b2e1a2660ec2 22 #include "GattAttribute.h"
rgrover1 710:b2e1a2660ec2 23 #include "GattServerEvents.h"
rgrover1 710:b2e1a2660ec2 24 #include "GattCallbackParamTypes.h"
rgrover1 710:b2e1a2660ec2 25 #include "CallChainOfFunctionPointersWithContext.h"
rgrover1 710:b2e1a2660ec2 26
rgrover1 710:b2e1a2660ec2 27 class GattServer {
rgrover1 710:b2e1a2660ec2 28 public:
rgrover1 710:b2e1a2660ec2 29 /* Event callback handlers. */
rgrover1 710:b2e1a2660ec2 30 typedef void (*EventCallback_t)(GattAttribute::Handle_t attributeHandle);
rgrover1 905:d7b3121ed982 31 typedef void (*ServerEventCallback_t)(void); /**< Independent of any particular attribute. */
rgrover1 710:b2e1a2660ec2 32
rgrover1 710:b2e1a2660ec2 33 protected:
rgrover1 710:b2e1a2660ec2 34 GattServer() :
rgrover1 710:b2e1a2660ec2 35 serviceCount(0),
rgrover1 710:b2e1a2660ec2 36 characteristicCount(0),
rgrover1 710:b2e1a2660ec2 37 dataSentCallChain(),
rgrover1 710:b2e1a2660ec2 38 dataWrittenCallChain(),
rgrover1 710:b2e1a2660ec2 39 dataReadCallChain(),
rgrover1 710:b2e1a2660ec2 40 updatesEnabledCallback(NULL),
rgrover1 710:b2e1a2660ec2 41 updatesDisabledCallback(NULL),
rgrover1 710:b2e1a2660ec2 42 confirmationReceivedCallback(NULL) {
rgrover1 710:b2e1a2660ec2 43 /* empty */
rgrover1 710:b2e1a2660ec2 44 }
rgrover1 710:b2e1a2660ec2 45
rgrover1 710:b2e1a2660ec2 46 /*
rgrover1 710:b2e1a2660ec2 47 * The following functions are meant to be overridden in the platform-specific sub-class.
rgrover1 710:b2e1a2660ec2 48 */
rgrover1 710:b2e1a2660ec2 49 public:
rgrover1 710:b2e1a2660ec2 50
rgrover1 710:b2e1a2660ec2 51 /**
rgrover1 710:b2e1a2660ec2 52 * Add a service declaration to the local server ATT table. Also add the
rgrover1 710:b2e1a2660ec2 53 * characteristics contained within.
rgrover1 710:b2e1a2660ec2 54 */
rgrover1 734:4872b70437ce 55 virtual ble_error_t addService(GattService &service) {
rgrover1 905:d7b3121ed982 56 /* Avoid compiler warnings about unused variables. */
rgrover1 734:4872b70437ce 57 (void)service;
rgrover1 734:4872b70437ce 58
rgrover1 905:d7b3121ed982 59 return BLE_ERROR_NOT_IMPLEMENTED; /* Requesting action from porters: override this API if this capability is supported. */
rgrover1 710:b2e1a2660ec2 60 }
rgrover1 710:b2e1a2660ec2 61
rgrover1 710:b2e1a2660ec2 62 /**
rgrover1 905:d7b3121ed982 63 * Read the value of a characteristic from the local GATT server.
rgrover1 710:b2e1a2660ec2 64 * @param[in] attributeHandle
rgrover1 710:b2e1a2660ec2 65 * Attribute handle for the value attribute of the characteristic.
rgrover1 710:b2e1a2660ec2 66 * @param[out] buffer
rgrover1 710:b2e1a2660ec2 67 * A buffer to hold the value being read.
rgrover1 710:b2e1a2660ec2 68 * @param[in/out] lengthP
rgrover1 710:b2e1a2660ec2 69 * Length of the buffer being supplied. If the attribute
rgrover1 710:b2e1a2660ec2 70 * value is longer than the size of the supplied buffer,
rgrover1 710:b2e1a2660ec2 71 * this variable will hold upon return the total attribute value length
rgrover1 710:b2e1a2660ec2 72 * (excluding offset). The application may use this
rgrover1 710:b2e1a2660ec2 73 * information to allocate a suitable buffer size.
rgrover1 710:b2e1a2660ec2 74 *
rgrover1 710:b2e1a2660ec2 75 * @return BLE_ERROR_NONE if a value was read successfully into the buffer.
rgrover1 710:b2e1a2660ec2 76 */
rgrover1 710:b2e1a2660ec2 77 virtual ble_error_t read(GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP) {
rgrover1 905:d7b3121ed982 78 /* Avoid compiler warnings about unused variables. */
rgrover1 734:4872b70437ce 79 (void)attributeHandle;
rgrover1 734:4872b70437ce 80 (void)buffer;
rgrover1 734:4872b70437ce 81 (void)lengthP;
rgrover1 734:4872b70437ce 82
rgrover1 905:d7b3121ed982 83 return BLE_ERROR_NOT_IMPLEMENTED; /* Requesting action from porters: override this API if this capability is supported. */
rgrover1 710:b2e1a2660ec2 84 }
rgrover1 710:b2e1a2660ec2 85
rgrover1 710:b2e1a2660ec2 86 /**
rgrover1 905:d7b3121ed982 87 * Read the value of a characteristic from the local GATT server.
rgrover1 710:b2e1a2660ec2 88 * @param[in] connectionHandle
rgrover1 905:d7b3121ed982 89 * Connection handle.
rgrover1 710:b2e1a2660ec2 90 * @param[in] attributeHandle
rgrover1 710:b2e1a2660ec2 91 * Attribute handle for the value attribute of the characteristic.
rgrover1 710:b2e1a2660ec2 92 * @param[out] buffer
rgrover1 710:b2e1a2660ec2 93 * A buffer to hold the value being read.
rgrover1 710:b2e1a2660ec2 94 * @param[in/out] lengthP
rgrover1 710:b2e1a2660ec2 95 * Length of the buffer being supplied. If the attribute
rgrover1 710:b2e1a2660ec2 96 * value is longer than the size of the supplied buffer,
rgrover1 710:b2e1a2660ec2 97 * this variable will hold upon return the total attribute value length
rgrover1 710:b2e1a2660ec2 98 * (excluding offset). The application may use this
rgrover1 710:b2e1a2660ec2 99 * information to allocate a suitable buffer size.
rgrover1 710:b2e1a2660ec2 100 *
rgrover1 710:b2e1a2660ec2 101 * @return BLE_ERROR_NONE if a value was read successfully into the buffer.
rgrover1 710:b2e1a2660ec2 102 *
rgrover1 905:d7b3121ed982 103 * @note This API is a version of the above, with an additional connection handle
rgrover1 710:b2e1a2660ec2 104 * parameter to allow fetches for connection-specific multivalued
rgrover1 733:718a3566b4ce 105 * attributes (such as the CCCDs).
rgrover1 710:b2e1a2660ec2 106 */
rgrover1 710:b2e1a2660ec2 107 virtual ble_error_t read(Gap::Handle_t connectionHandle, GattAttribute::Handle_t attributeHandle, uint8_t *buffer, uint16_t *lengthP) {
rgrover1 905:d7b3121ed982 108 /* Avoid compiler warnings about unused variables. */
rgrover1 734:4872b70437ce 109 (void)connectionHandle;
rgrover1 734:4872b70437ce 110 (void)attributeHandle;
rgrover1 734:4872b70437ce 111 (void)buffer;
rgrover1 734:4872b70437ce 112 (void)lengthP;
rgrover1 734:4872b70437ce 113
rgrover1 905:d7b3121ed982 114 return BLE_ERROR_NOT_IMPLEMENTED; /* Requesting action from porters: override this API if this capability is supported. */
rgrover1 710:b2e1a2660ec2 115 }
rgrover1 710:b2e1a2660ec2 116
rgrover1 710:b2e1a2660ec2 117 /**
rgrover1 905:d7b3121ed982 118 * Update the value of a characteristic on the local GATT server.
rgrover1 710:b2e1a2660ec2 119 *
rgrover1 710:b2e1a2660ec2 120 * @param[in] attributeHandle
rgrover1 905:d7b3121ed982 121 * Handle for the value attribute of the characteristic.
rgrover1 710:b2e1a2660ec2 122 * @param[in] value
rgrover1 905:d7b3121ed982 123 * A pointer to a buffer holding the new value.
rgrover1 710:b2e1a2660ec2 124 * @param[in] size
rgrover1 710:b2e1a2660ec2 125 * Size of the new value (in bytes).
rgrover1 710:b2e1a2660ec2 126 * @param[in] localOnly
rgrover1 710:b2e1a2660ec2 127 * Should this update be kept on the local
rgrover1 905:d7b3121ed982 128 * GATT server regardless of the state of the
rgrover1 710:b2e1a2660ec2 129 * notify/indicate flag in the CCCD for this
rgrover1 710:b2e1a2660ec2 130 * Characteristic? If set to true, no notification
rgrover1 710:b2e1a2660ec2 131 * or indication is generated.
rgrover1 710:b2e1a2660ec2 132 *
rgrover1 710:b2e1a2660ec2 133 * @return BLE_ERROR_NONE if we have successfully set the value of the attribute.
rgrover1 710:b2e1a2660ec2 134 */
rgrover1 734:4872b70437ce 135 virtual ble_error_t write(GattAttribute::Handle_t attributeHandle, const uint8_t *value, uint16_t size, bool localOnly = false) {
rgrover1 905:d7b3121ed982 136 /* Avoid compiler warnings about unused variables. */
rgrover1 734:4872b70437ce 137 (void)attributeHandle;
rgrover1 734:4872b70437ce 138 (void)value;
rgrover1 734:4872b70437ce 139 (void)size;
rgrover1 734:4872b70437ce 140 (void)localOnly;
rgrover1 734:4872b70437ce 141
rgrover1 905:d7b3121ed982 142 return BLE_ERROR_NOT_IMPLEMENTED; /* Requesting action from porters: override this API if this capability is supported. */
rgrover1 710:b2e1a2660ec2 143 }
rgrover1 710:b2e1a2660ec2 144
rgrover1 710:b2e1a2660ec2 145 /**
rgrover1 905:d7b3121ed982 146 * Update the value of a characteristic on the local GATT server. A version
rgrover1 905:d7b3121ed982 147 * of the same as the above, with a connection handle parameter to allow updates
rgrover1 733:718a3566b4ce 148 * for connection-specific multivalued attributes (such as the CCCDs).
rgrover1 710:b2e1a2660ec2 149 *
rgrover1 710:b2e1a2660ec2 150 * @param[in] connectionHandle
rgrover1 905:d7b3121ed982 151 * Connection handle.
rgrover1 710:b2e1a2660ec2 152 * @param[in] attributeHandle
rgrover1 905:d7b3121ed982 153 * Handle for the value attribute of the characteristic.
rgrover1 710:b2e1a2660ec2 154 * @param[in] value
rgrover1 905:d7b3121ed982 155 * A pointer to a buffer holding the new value.
rgrover1 710:b2e1a2660ec2 156 * @param[in] size
rgrover1 710:b2e1a2660ec2 157 * Size of the new value (in bytes).
rgrover1 710:b2e1a2660ec2 158 * @param[in] localOnly
rgrover1 710:b2e1a2660ec2 159 * Should this update be kept on the local
rgrover1 710:b2e1a2660ec2 160 * GattServer regardless of the state of the
rgrover1 710:b2e1a2660ec2 161 * notify/indicate flag in the CCCD for this
rgrover1 710:b2e1a2660ec2 162 * Characteristic? If set to true, no notification
rgrover1 710:b2e1a2660ec2 163 * or indication is generated.
rgrover1 710:b2e1a2660ec2 164 *
rgrover1 710:b2e1a2660ec2 165 * @return BLE_ERROR_NONE if we have successfully set the value of the attribute.
rgrover1 710:b2e1a2660ec2 166 */
rgrover1 734:4872b70437ce 167 virtual ble_error_t write(Gap::Handle_t connectionHandle, GattAttribute::Handle_t attributeHandle, const uint8_t *value, uint16_t size, bool localOnly = false) {
rgrover1 905:d7b3121ed982 168 /* Avoid compiler warnings about unused variables. */
rgrover1 734:4872b70437ce 169 (void)connectionHandle;
rgrover1 734:4872b70437ce 170 (void)attributeHandle;
rgrover1 734:4872b70437ce 171 (void)value;
rgrover1 734:4872b70437ce 172 (void)size;
rgrover1 734:4872b70437ce 173 (void)localOnly;
rgrover1 734:4872b70437ce 174
rgrover1 905:d7b3121ed982 175 return BLE_ERROR_NOT_IMPLEMENTED; /* Requesting action from porters: override this API if this capability is supported. */
rgrover1 728:997ba5e7b3b6 176 }
rgrover1 728:997ba5e7b3b6 177
rgrover1 728:997ba5e7b3b6 178 /**
rgrover1 905:d7b3121ed982 179 * Determine the updates-enabled status (notification or indication) for the current connection from a characteristic's CCCD.
rgrover1 728:997ba5e7b3b6 180 *
rgrover1 728:997ba5e7b3b6 181 * @param characteristic
rgrover1 905:d7b3121ed982 182 * The characteristic.
rgrover1 728:997ba5e7b3b6 183 * @param[out] enabledP
rgrover1 728:997ba5e7b3b6 184 * Upon return, *enabledP is true if updates are enabled, else false.
rgrover1 728:997ba5e7b3b6 185 *
rgrover1 905:d7b3121ed982 186 * @return BLE_ERROR_NONE if the connection and handle are found. False otherwise.
rgrover1 728:997ba5e7b3b6 187 */
rgrover1 728:997ba5e7b3b6 188 virtual ble_error_t areUpdatesEnabled(const GattCharacteristic &characteristic, bool *enabledP) {
rgrover1 905:d7b3121ed982 189 /* Avoid compiler warnings about unused variables. */
rgrover1 734:4872b70437ce 190 (void)characteristic;
rgrover1 734:4872b70437ce 191 (void)enabledP;
rgrover1 734:4872b70437ce 192
rgrover1 905:d7b3121ed982 193 return BLE_ERROR_NOT_IMPLEMENTED; /* Requesting action from porters: override this API if this capability is supported. */
rgrover1 728:997ba5e7b3b6 194 }
rgrover1 728:997ba5e7b3b6 195
rgrover1 728:997ba5e7b3b6 196 /**
rgrover1 905:d7b3121ed982 197 * Determine the connection-specific updates-enabled status (notification or indication) from a characteristic's CCCD.
rgrover1 728:997ba5e7b3b6 198 *
rgrover1 728:997ba5e7b3b6 199 * @param connectionHandle
rgrover1 905:d7b3121ed982 200 * The connection handle.
rgrover1 728:997ba5e7b3b6 201 * @param[out] enabledP
rgrover1 728:997ba5e7b3b6 202 * Upon return, *enabledP is true if updates are enabled, else false.
rgrover1 728:997ba5e7b3b6 203 *
rgrover1 728:997ba5e7b3b6 204 * @param characteristic
rgrover1 905:d7b3121ed982 205 * The characteristic.
rgrover1 728:997ba5e7b3b6 206 *
rgrover1 905:d7b3121ed982 207 * @return BLE_ERROR_NONE if the connection and handle are found. False otherwise.
rgrover1 728:997ba5e7b3b6 208 */
rgrover1 728:997ba5e7b3b6 209 virtual ble_error_t areUpdatesEnabled(Gap::Handle_t connectionHandle, const GattCharacteristic &characteristic, bool *enabledP) {
rgrover1 905:d7b3121ed982 210 /* Avoid compiler warnings about unused variables. */
rgrover1 734:4872b70437ce 211 (void)connectionHandle;
rgrover1 734:4872b70437ce 212 (void)characteristic;
rgrover1 734:4872b70437ce 213 (void)enabledP;
rgrover1 734:4872b70437ce 214
rgrover1 905:d7b3121ed982 215 return BLE_ERROR_NOT_IMPLEMENTED; /* Requesting action from porters: override this API if this capability is supported. */
rgrover1 724:80e065731d70 216 }
rgrover1 724:80e065731d70 217
rgrover1 724:80e065731d70 218 /**
rgrover1 710:b2e1a2660ec2 219 * A virtual function to allow underlying stacks to indicate if they support
rgrover1 710:b2e1a2660ec2 220 * onDataRead(). It should be overridden to return true as applicable.
rgrover1 710:b2e1a2660ec2 221 */
rgrover1 710:b2e1a2660ec2 222 virtual bool isOnDataReadAvailable() const {
rgrover1 905:d7b3121ed982 223 return false; /* Requesting action from porters: override this API if this capability is supported. */
rgrover1 710:b2e1a2660ec2 224 }
rgrover1 710:b2e1a2660ec2 225
rgrover1 710:b2e1a2660ec2 226 /*
rgrover1 710:b2e1a2660ec2 227 * APIs with non-virtual implementations.
rgrover1 710:b2e1a2660ec2 228 */
rgrover1 710:b2e1a2660ec2 229 public:
rgrover1 710:b2e1a2660ec2 230 /**
rgrover1 710:b2e1a2660ec2 231 * Add a callback for the GATT event DATA_SENT (which is triggered when
rgrover1 710:b2e1a2660ec2 232 * updates are sent out by GATT in the form of notifications).
rgrover1 710:b2e1a2660ec2 233 *
rgrover1 905:d7b3121ed982 234 * @Note: It is possible to chain together multiple onDataSent callbacks
rgrover1 710:b2e1a2660ec2 235 * (potentially from different modules of an application) to receive updates
rgrover1 710:b2e1a2660ec2 236 * to characteristics.
rgrover1 710:b2e1a2660ec2 237 *
rgrover1 905:d7b3121ed982 238 * @Note: It is also possible to set up a callback into a member function of
rgrover1 710:b2e1a2660ec2 239 * some object.
rgrover1 710:b2e1a2660ec2 240 */
rgrover1 710:b2e1a2660ec2 241 void onDataSent(void (*callback)(unsigned count)) {dataSentCallChain.add(callback);}
rgrover1 710:b2e1a2660ec2 242 template <typename T>
rgrover1 710:b2e1a2660ec2 243 void onDataSent(T *objPtr, void (T::*memberPtr)(unsigned count)) {
rgrover1 710:b2e1a2660ec2 244 dataSentCallChain.add(objPtr, memberPtr);
rgrover1 710:b2e1a2660ec2 245 }
rgrover1 710:b2e1a2660ec2 246
rgrover1 710:b2e1a2660ec2 247 /**
rgrover1 905:d7b3121ed982 248 * Set up a callback for when an attribute has its value updated by or at the
rgrover1 905:d7b3121ed982 249 * connected peer. For a peripheral, this callback is triggered when the local
rgrover1 710:b2e1a2660ec2 250 * GATT server has an attribute updated by a write command from the peer.
rgrover1 905:d7b3121ed982 251 * For a central, this callback is triggered when a response is received for
rgrover1 710:b2e1a2660ec2 252 * a write request.
rgrover1 710:b2e1a2660ec2 253 *
rgrover1 905:d7b3121ed982 254 * @Note: It is possible to chain together multiple onDataWritten callbacks
rgrover1 710:b2e1a2660ec2 255 * (potentially from different modules of an application) to receive updates
rgrover1 905:d7b3121ed982 256 * to characteristics. Many services, such as DFU and UART, add their own
rgrover1 710:b2e1a2660ec2 257 * onDataWritten callbacks behind the scenes to trap interesting events.
rgrover1 710:b2e1a2660ec2 258 *
rgrover1 905:d7b3121ed982 259 * @Note: It is also possible to set up a callback into a member function of
rgrover1 710:b2e1a2660ec2 260 * some object.
rgrover1 710:b2e1a2660ec2 261 */
rgrover1 710:b2e1a2660ec2 262 void onDataWritten(void (*callback)(const GattWriteCallbackParams *eventDataP)) {dataWrittenCallChain.add(callback);}
rgrover1 710:b2e1a2660ec2 263 template <typename T>
rgrover1 710:b2e1a2660ec2 264 void onDataWritten(T *objPtr, void (T::*memberPtr)(const GattWriteCallbackParams *context)) {
rgrover1 710:b2e1a2660ec2 265 dataWrittenCallChain.add(objPtr, memberPtr);
rgrover1 710:b2e1a2660ec2 266 }
rgrover1 710:b2e1a2660ec2 267
rgrover1 710:b2e1a2660ec2 268 /**
rgrover1 710:b2e1a2660ec2 269 * Setup a callback to be invoked on the peripheral when an attribute is
rgrover1 710:b2e1a2660ec2 270 * being read by a remote client.
rgrover1 710:b2e1a2660ec2 271 *
rgrover1 905:d7b3121ed982 272 * @Note: This functionality may not be available on all underlying stacks.
rgrover1 710:b2e1a2660ec2 273 * You could use GattCharacteristic::setReadAuthorizationCallback() as an
rgrover1 826:00415ff9e2a7 274 * alternative. Refer to isOnDataReadAvailable().
rgrover1 710:b2e1a2660ec2 275 *
rgrover1 905:d7b3121ed982 276 * @Note: It is possible to chain together multiple onDataRead callbacks
rgrover1 710:b2e1a2660ec2 277 * (potentially from different modules of an application) to receive updates
rgrover1 710:b2e1a2660ec2 278 * to characteristics. Services may add their own onDataRead callbacks
rgrover1 710:b2e1a2660ec2 279 * behind the scenes to trap interesting events.
rgrover1 710:b2e1a2660ec2 280 *
rgrover1 905:d7b3121ed982 281 * @Note: It is also possible to set up a callback into a member function of
rgrover1 710:b2e1a2660ec2 282 * some object.
rgrover1 710:b2e1a2660ec2 283 *
rgrover1 710:b2e1a2660ec2 284 * @return BLE_ERROR_NOT_IMPLEMENTED if this functionality isn't available;
rgrover1 710:b2e1a2660ec2 285 * else BLE_ERROR_NONE.
rgrover1 710:b2e1a2660ec2 286 */
rgrover1 710:b2e1a2660ec2 287 ble_error_t onDataRead(void (*callback)(const GattReadCallbackParams *eventDataP)) {
rgrover1 710:b2e1a2660ec2 288 if (!isOnDataReadAvailable()) {
rgrover1 710:b2e1a2660ec2 289 return BLE_ERROR_NOT_IMPLEMENTED;
rgrover1 710:b2e1a2660ec2 290 }
rgrover1 710:b2e1a2660ec2 291
rgrover1 710:b2e1a2660ec2 292 dataReadCallChain.add(callback);
rgrover1 710:b2e1a2660ec2 293 return BLE_ERROR_NONE;
rgrover1 710:b2e1a2660ec2 294 }
rgrover1 710:b2e1a2660ec2 295 template <typename T>
rgrover1 710:b2e1a2660ec2 296 ble_error_t onDataRead(T *objPtr, void (T::*memberPtr)(const GattReadCallbackParams *context)) {
rgrover1 710:b2e1a2660ec2 297 if (!isOnDataReadAvailable()) {
rgrover1 710:b2e1a2660ec2 298 return BLE_ERROR_NOT_IMPLEMENTED;
rgrover1 710:b2e1a2660ec2 299 }
rgrover1 710:b2e1a2660ec2 300
rgrover1 710:b2e1a2660ec2 301 dataReadCallChain.add(objPtr, memberPtr);
rgrover1 710:b2e1a2660ec2 302 return BLE_ERROR_NONE;
rgrover1 710:b2e1a2660ec2 303 }
rgrover1 710:b2e1a2660ec2 304
rgrover1 710:b2e1a2660ec2 305 /**
rgrover1 905:d7b3121ed982 306 * Set up a callback for when notifications or indications are enabled for a
rgrover1 905:d7b3121ed982 307 * characteristic on the local GATT server.
rgrover1 710:b2e1a2660ec2 308 */
rgrover1 710:b2e1a2660ec2 309 void onUpdatesEnabled(EventCallback_t callback) {updatesEnabledCallback = callback;}
rgrover1 710:b2e1a2660ec2 310
rgrover1 710:b2e1a2660ec2 311 /**
rgrover1 905:d7b3121ed982 312 * Set up a callback for when notifications or indications are disabled for a
rgrover1 905:d7b3121ed982 313 * characteristic on the local GATT server.
rgrover1 710:b2e1a2660ec2 314 */
rgrover1 710:b2e1a2660ec2 315 void onUpdatesDisabled(EventCallback_t callback) {updatesDisabledCallback = callback;}
rgrover1 710:b2e1a2660ec2 316
rgrover1 710:b2e1a2660ec2 317 /**
rgrover1 905:d7b3121ed982 318 * Set up a callback for when the GATT server receives a response for an
rgrover1 710:b2e1a2660ec2 319 * indication event sent previously.
rgrover1 710:b2e1a2660ec2 320 */
rgrover1 710:b2e1a2660ec2 321 void onConfirmationReceived(EventCallback_t callback) {confirmationReceivedCallback = callback;}
rgrover1 710:b2e1a2660ec2 322
rgrover1 710:b2e1a2660ec2 323 /* Entry points for the underlying stack to report events back to the user. */
rgrover1 710:b2e1a2660ec2 324 protected:
rgrover1 710:b2e1a2660ec2 325 void handleDataWrittenEvent(const GattWriteCallbackParams *params) {
rgrover1 710:b2e1a2660ec2 326 if (dataWrittenCallChain.hasCallbacksAttached()) {
rgrover1 710:b2e1a2660ec2 327 dataWrittenCallChain.call(params);
rgrover1 710:b2e1a2660ec2 328 }
rgrover1 710:b2e1a2660ec2 329 }
rgrover1 710:b2e1a2660ec2 330
rgrover1 710:b2e1a2660ec2 331 void handleDataReadEvent(const GattReadCallbackParams *params) {
rgrover1 710:b2e1a2660ec2 332 if (dataReadCallChain.hasCallbacksAttached()) {
rgrover1 710:b2e1a2660ec2 333 dataReadCallChain.call(params);
rgrover1 710:b2e1a2660ec2 334 }
rgrover1 710:b2e1a2660ec2 335 }
rgrover1 710:b2e1a2660ec2 336
rgrover1 728:997ba5e7b3b6 337 void handleEvent(GattServerEvents::gattEvent_e type, GattAttribute::Handle_t attributeHandle) {
rgrover1 710:b2e1a2660ec2 338 switch (type) {
rgrover1 710:b2e1a2660ec2 339 case GattServerEvents::GATT_EVENT_UPDATES_ENABLED:
rgrover1 710:b2e1a2660ec2 340 if (updatesEnabledCallback) {
rgrover1 728:997ba5e7b3b6 341 updatesEnabledCallback(attributeHandle);
rgrover1 710:b2e1a2660ec2 342 }
rgrover1 710:b2e1a2660ec2 343 break;
rgrover1 710:b2e1a2660ec2 344 case GattServerEvents::GATT_EVENT_UPDATES_DISABLED:
rgrover1 710:b2e1a2660ec2 345 if (updatesDisabledCallback) {
rgrover1 728:997ba5e7b3b6 346 updatesDisabledCallback(attributeHandle);
rgrover1 710:b2e1a2660ec2 347 }
rgrover1 710:b2e1a2660ec2 348 break;
rgrover1 710:b2e1a2660ec2 349 case GattServerEvents::GATT_EVENT_CONFIRMATION_RECEIVED:
rgrover1 710:b2e1a2660ec2 350 if (confirmationReceivedCallback) {
rgrover1 728:997ba5e7b3b6 351 confirmationReceivedCallback(attributeHandle);
rgrover1 710:b2e1a2660ec2 352 }
rgrover1 710:b2e1a2660ec2 353 break;
rgrover1 710:b2e1a2660ec2 354 default:
rgrover1 710:b2e1a2660ec2 355 break;
rgrover1 710:b2e1a2660ec2 356 }
rgrover1 710:b2e1a2660ec2 357 }
rgrover1 710:b2e1a2660ec2 358
rgrover1 710:b2e1a2660ec2 359 void handleDataSentEvent(unsigned count) {
rgrover1 710:b2e1a2660ec2 360 if (dataSentCallChain.hasCallbacksAttached()) {
rgrover1 710:b2e1a2660ec2 361 dataSentCallChain.call(count);
rgrover1 710:b2e1a2660ec2 362 }
rgrover1 710:b2e1a2660ec2 363 }
rgrover1 710:b2e1a2660ec2 364
rgrover1 710:b2e1a2660ec2 365 protected:
rgrover1 710:b2e1a2660ec2 366 uint8_t serviceCount;
rgrover1 710:b2e1a2660ec2 367 uint8_t characteristicCount;
rgrover1 710:b2e1a2660ec2 368
rgrover1 710:b2e1a2660ec2 369 private:
rgrover1 710:b2e1a2660ec2 370 CallChainOfFunctionPointersWithContext<unsigned> dataSentCallChain;
rgrover1 710:b2e1a2660ec2 371 CallChainOfFunctionPointersWithContext<const GattWriteCallbackParams *> dataWrittenCallChain;
rgrover1 710:b2e1a2660ec2 372 CallChainOfFunctionPointersWithContext<const GattReadCallbackParams *> dataReadCallChain;
rgrover1 710:b2e1a2660ec2 373 EventCallback_t updatesEnabledCallback;
rgrover1 710:b2e1a2660ec2 374 EventCallback_t updatesDisabledCallback;
rgrover1 710:b2e1a2660ec2 375 EventCallback_t confirmationReceivedCallback;
rgrover1 710:b2e1a2660ec2 376
rgrover1 710:b2e1a2660ec2 377 private:
rgrover1 905:d7b3121ed982 378 /* Disallow copy and assignment. */
rgrover1 710:b2e1a2660ec2 379 GattServer(const GattServer &);
rgrover1 710:b2e1a2660ec2 380 GattServer& operator=(const GattServer &);
rgrover1 710:b2e1a2660ec2 381 };
rgrover1 710:b2e1a2660ec2 382
rgrover1 710:b2e1a2660ec2 383 #endif // ifndef __GATT_SERVER_H__