High level Bluetooth Low Energy API and radio abstraction layer
Fork of BLE_API by
ble/services/URIBeaconConfigService.h@716:11b41f651697, 2015-07-02 (annotated)
- Committer:
- rgrover1
- Date:
- Thu Jul 02 09:06:11 2015 +0100
- Revision:
- 716:11b41f651697
- Parent:
- 712:b04b5db36865
- Child:
- 722:eab9499e4250
Synchronized with git rev d80fec88
Author: Rohit Grover
Release 0.4.0
=============
This is a major release which introduces the GATT Client functionality. It
also aligns BLE_API with builds using our new package manager: yotta
(https://github.com/armmbed/yotta).
Many APIs have seen some redesign. We encourage our users to pay attention to
the changes and migrate appropriately over time. We've also taken care to
ensure that existing code continues to work the same way. There's more
documentation in the form of comment headers for APIs to explain proper usage;
in many cases comment headers suggest alternative use of APIs.
Enhancements
~~~~~~~~~~~~
* Introduce GattClient. This includes functionality for service-discovery,
connections, and attribute-reads and writes. You'll find a demo program for
LEDBlinker on the mbed.org Bluetooth team page to use the new APIs. Some of
the GATT client functionality hasn't been implemented yet, but the APIs have
been added.
* Most APIs in the abstract base classes like Gap and GattServer return
BLE_ERROR_NOT_IMPLEMENTED. Previously many APIs were pure-virtual, which did
not permit partial ports to compile.
* We've added a new abstract base class for SecurityManager. All security
related APIs have been moved into that.
* BLEDevice has been renamed as BLE. A deprecated alias for BLEDevice is
available to support existing code.
* There has been a major cleanup of APIs under BLE. APIs have now been
categorized as belonging to Gap, GattServer, GattClient, or SecurityManager.
There are accessors to get references for Gap, GattServer, GattClient, and
SecurityManager. A former call to ble.setAddress(...) is now expected to be
achieved with ble.gap().setAddress(...).
* We've cleaned up our APIs, and this has resulted in dropping some APIs like
BLE::reset().
* We've also dropped GattServer::initializeGattDatabase(). THis was added at
some point to support controllers where a commit point was needed to
indicate when the application had finished constructing the GATT database.
This API would get called internally before Gap::startAdvertising(). We now
expect the underlying port to do the equivalent of initializeGattDatabase()
implicitly upon Gap::startAdvertising().
* The callback for BLE.onTimeout() now receives a TimeoutSource_t to indicate
the cause of the timeout. This is perhaps the only breaking API change. We
expect it to have very little disruptive effect.
* We've added a version of Gap::disconnect() which takes a connection handle.
The previous API (which did not take a connection handle) has been
deprecated; it will still work for situations where there's only a single
active connection. We hold on to that API to allow existing code to migrate
to the new API.
Bugfixes
~~~~~~~~
* None.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
rgrover1 | 712:b04b5db36865 | 1 | /* mbed Microcontroller Library |
rgrover1 | 712:b04b5db36865 | 2 | * Copyright (c) 2006-2013 ARM Limited |
rgrover1 | 712:b04b5db36865 | 3 | * |
rgrover1 | 712:b04b5db36865 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
rgrover1 | 712:b04b5db36865 | 5 | * you may not use this file except in compliance with the License. |
rgrover1 | 712:b04b5db36865 | 6 | * You may obtain a copy of the License at |
rgrover1 | 712:b04b5db36865 | 7 | * |
rgrover1 | 712:b04b5db36865 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
rgrover1 | 712:b04b5db36865 | 9 | * |
rgrover1 | 712:b04b5db36865 | 10 | * Unless required by applicable law or agreed to in writing, software |
rgrover1 | 712:b04b5db36865 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
rgrover1 | 712:b04b5db36865 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
rgrover1 | 712:b04b5db36865 | 13 | * See the License for the specific language governing permissions and |
rgrover1 | 712:b04b5db36865 | 14 | * limitations under the License. |
rgrover1 | 712:b04b5db36865 | 15 | */ |
rgrover1 | 712:b04b5db36865 | 16 | |
rgrover1 | 712:b04b5db36865 | 17 | #ifndef SERVICES_URIBEACONCONFIGSERVICE_H_ |
rgrover1 | 712:b04b5db36865 | 18 | #define SERVICES_URIBEACONCONFIGSERVICE_H_ |
rgrover1 | 712:b04b5db36865 | 19 | |
rgrover1 | 712:b04b5db36865 | 20 | #include "ble/BLE.h" |
rgrover1 | 712:b04b5db36865 | 21 | #include "mbed.h" |
rgrover1 | 712:b04b5db36865 | 22 | |
rgrover1 | 712:b04b5db36865 | 23 | extern const uint8_t UUID_URI_BEACON_SERVICE[UUID::LENGTH_OF_LONG_UUID]; |
rgrover1 | 712:b04b5db36865 | 24 | extern const uint8_t UUID_LOCK_STATE_CHAR[UUID::LENGTH_OF_LONG_UUID]; |
rgrover1 | 712:b04b5db36865 | 25 | extern const uint8_t UUID_LOCK_CHAR[UUID::LENGTH_OF_LONG_UUID]; |
rgrover1 | 712:b04b5db36865 | 26 | extern const uint8_t UUID_UNLOCK_CHAR[UUID::LENGTH_OF_LONG_UUID]; |
rgrover1 | 712:b04b5db36865 | 27 | extern const uint8_t UUID_URI_DATA_CHAR[UUID::LENGTH_OF_LONG_UUID]; |
rgrover1 | 712:b04b5db36865 | 28 | extern const uint8_t UUID_FLAGS_CHAR[UUID::LENGTH_OF_LONG_UUID]; |
rgrover1 | 712:b04b5db36865 | 29 | extern const uint8_t UUID_ADV_POWER_LEVELS_CHAR[UUID::LENGTH_OF_LONG_UUID]; |
rgrover1 | 712:b04b5db36865 | 30 | extern const uint8_t UUID_TX_POWER_MODE_CHAR[UUID::LENGTH_OF_LONG_UUID]; |
rgrover1 | 712:b04b5db36865 | 31 | extern const uint8_t UUID_BEACON_PERIOD_CHAR[UUID::LENGTH_OF_LONG_UUID]; |
rgrover1 | 712:b04b5db36865 | 32 | extern const uint8_t UUID_RESET_CHAR[UUID::LENGTH_OF_LONG_UUID]; |
rgrover1 | 712:b04b5db36865 | 33 | |
rgrover1 | 712:b04b5db36865 | 34 | extern const uint8_t BEACON_UUID[sizeof(UUID::ShortUUIDBytes_t)]; |
rgrover1 | 712:b04b5db36865 | 35 | |
rgrover1 | 712:b04b5db36865 | 36 | /** |
rgrover1 | 712:b04b5db36865 | 37 | * @class URIBeaconConfigService |
rgrover1 | 712:b04b5db36865 | 38 | * @brief UriBeacon Configuration Service. Can be used to set URL, adjust power levels, and set flags. |
rgrover1 | 712:b04b5db36865 | 39 | * See http://uribeacon.org |
rgrover1 | 712:b04b5db36865 | 40 | * |
rgrover1 | 712:b04b5db36865 | 41 | */ |
rgrover1 | 712:b04b5db36865 | 42 | class URIBeaconConfigService { |
rgrover1 | 712:b04b5db36865 | 43 | public: |
rgrover1 | 712:b04b5db36865 | 44 | /** |
rgrover1 | 712:b04b5db36865 | 45 | * @brief Transmission Power Modes for UriBeacon |
rgrover1 | 712:b04b5db36865 | 46 | */ |
rgrover1 | 712:b04b5db36865 | 47 | static const uint8_t TX_POWER_MODE_LOWEST = 0; /*!< Lowest TX power mode */ |
rgrover1 | 712:b04b5db36865 | 48 | static const uint8_t TX_POWER_MODE_LOW = 1; /*!< Low TX power mode */ |
rgrover1 | 712:b04b5db36865 | 49 | static const uint8_t TX_POWER_MODE_MEDIUM = 2; /*!< Medium TX power mode */ |
rgrover1 | 712:b04b5db36865 | 50 | static const uint8_t TX_POWER_MODE_HIGH = 3; /*!< High TX power mode */ |
rgrover1 | 712:b04b5db36865 | 51 | static const unsigned NUM_POWER_MODES = 4; /*!< Number of Power Modes defined */ |
rgrover1 | 712:b04b5db36865 | 52 | |
rgrover1 | 712:b04b5db36865 | 53 | static const int ADVERTISING_INTERVAL_MSEC = 1000; // Advertising interval for config service. |
rgrover1 | 712:b04b5db36865 | 54 | static const int SERVICE_DATA_MAX = 31; // Maximum size of service data in ADV packets |
rgrover1 | 712:b04b5db36865 | 55 | |
rgrover1 | 712:b04b5db36865 | 56 | typedef uint8_t Lock_t[16]; /* 128 bits */ |
rgrover1 | 712:b04b5db36865 | 57 | typedef int8_t PowerLevels_t[NUM_POWER_MODES]; |
rgrover1 | 712:b04b5db36865 | 58 | |
rgrover1 | 712:b04b5db36865 | 59 | static const int URI_DATA_MAX = 18; |
rgrover1 | 712:b04b5db36865 | 60 | typedef uint8_t UriData_t[URI_DATA_MAX]; |
rgrover1 | 712:b04b5db36865 | 61 | |
rgrover1 | 712:b04b5db36865 | 62 | struct Params_t { |
rgrover1 | 712:b04b5db36865 | 63 | Lock_t lock; |
rgrover1 | 712:b04b5db36865 | 64 | uint8_t uriDataLength; |
rgrover1 | 712:b04b5db36865 | 65 | UriData_t uriData; |
rgrover1 | 712:b04b5db36865 | 66 | uint8_t flags; |
rgrover1 | 712:b04b5db36865 | 67 | PowerLevels_t advPowerLevels; // Current value of AdvertisedPowerLevels |
rgrover1 | 712:b04b5db36865 | 68 | uint8_t txPowerMode; // Firmware power levels used with setTxPower() |
rgrover1 | 712:b04b5db36865 | 69 | uint16_t beaconPeriod; |
rgrover1 | 712:b04b5db36865 | 70 | }; |
rgrover1 | 712:b04b5db36865 | 71 | |
rgrover1 | 712:b04b5db36865 | 72 | /** |
rgrover1 | 712:b04b5db36865 | 73 | * @param[ref] ble |
rgrover1 | 712:b04b5db36865 | 74 | * BLE object for the underlying controller. |
rgrover1 | 712:b04b5db36865 | 75 | * @param[in/out] paramsIn |
rgrover1 | 712:b04b5db36865 | 76 | * Reference to application-visible beacon state, loaded |
rgrover1 | 712:b04b5db36865 | 77 | * from persistent storage at startup. |
rgrover1 | 712:b04b5db36865 | 78 | * @paramsP[in] resetToDefaultsFlag |
rgrover1 | 712:b04b5db36865 | 79 | * Applies to the state of the 'paramsIn' parameter. |
rgrover1 | 712:b04b5db36865 | 80 | * If true, it indicates that paramsIn is potentially |
rgrover1 | 712:b04b5db36865 | 81 | * un-initialized, and default values should be used |
rgrover1 | 712:b04b5db36865 | 82 | * instead. Otherwise, paramsIn overrides the defaults. |
rgrover1 | 712:b04b5db36865 | 83 | * @param[in] defaultUriDataIn |
rgrover1 | 712:b04b5db36865 | 84 | * Default un-encoded URI; applies only if the resetToDefaultsFlag is true. |
rgrover1 | 712:b04b5db36865 | 85 | * @param[in] defaultAdvPowerLevelsIn |
rgrover1 | 712:b04b5db36865 | 86 | * Default power-levels array; applies only if the resetToDefaultsFlag is true. |
rgrover1 | 712:b04b5db36865 | 87 | */ |
rgrover1 | 712:b04b5db36865 | 88 | URIBeaconConfigService(BLE &bleIn, |
rgrover1 | 712:b04b5db36865 | 89 | Params_t ¶msIn, |
rgrover1 | 712:b04b5db36865 | 90 | bool resetToDefaultsFlag, |
rgrover1 | 712:b04b5db36865 | 91 | const char *defaultURIDataIn, |
rgrover1 | 712:b04b5db36865 | 92 | PowerLevels_t &defaultAdvPowerLevelsIn) : |
rgrover1 | 712:b04b5db36865 | 93 | ble(bleIn), |
rgrover1 | 712:b04b5db36865 | 94 | params(paramsIn), |
rgrover1 | 712:b04b5db36865 | 95 | defaultUriDataLength(), |
rgrover1 | 712:b04b5db36865 | 96 | defaultUriData(), |
rgrover1 | 712:b04b5db36865 | 97 | defaultAdvPowerLevels(defaultAdvPowerLevelsIn), |
rgrover1 | 712:b04b5db36865 | 98 | initSucceeded(false), |
rgrover1 | 712:b04b5db36865 | 99 | resetFlag(), |
rgrover1 | 712:b04b5db36865 | 100 | lockedStateChar(UUID_LOCK_STATE_CHAR, &lockedState), |
rgrover1 | 712:b04b5db36865 | 101 | lockChar(UUID_LOCK_CHAR, ¶ms.lock), |
rgrover1 | 712:b04b5db36865 | 102 | uriDataChar(UUID_URI_DATA_CHAR, params.uriData, 0, URI_DATA_MAX, |
rgrover1 | 712:b04b5db36865 | 103 | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE), |
rgrover1 | 712:b04b5db36865 | 104 | unlockChar(UUID_UNLOCK_CHAR, ¶ms.lock), |
rgrover1 | 712:b04b5db36865 | 105 | flagsChar(UUID_FLAGS_CHAR, ¶ms.flags), |
rgrover1 | 712:b04b5db36865 | 106 | advPowerLevelsChar(UUID_ADV_POWER_LEVELS_CHAR, ¶ms.advPowerLevels), |
rgrover1 | 712:b04b5db36865 | 107 | txPowerModeChar(UUID_TX_POWER_MODE_CHAR, ¶ms.txPowerMode), |
rgrover1 | 712:b04b5db36865 | 108 | beaconPeriodChar(UUID_BEACON_PERIOD_CHAR, ¶ms.beaconPeriod), |
rgrover1 | 712:b04b5db36865 | 109 | resetChar(UUID_RESET_CHAR, &resetFlag) { |
rgrover1 | 712:b04b5db36865 | 110 | |
rgrover1 | 712:b04b5db36865 | 111 | encodeURI(defaultURIDataIn, defaultUriData, defaultUriDataLength); |
rgrover1 | 712:b04b5db36865 | 112 | if (defaultUriDataLength > URI_DATA_MAX) { |
rgrover1 | 712:b04b5db36865 | 113 | return; |
rgrover1 | 712:b04b5db36865 | 114 | } |
rgrover1 | 712:b04b5db36865 | 115 | |
rgrover1 | 712:b04b5db36865 | 116 | if (!resetToDefaultsFlag && (params.uriDataLength > URI_DATA_MAX)) { |
rgrover1 | 712:b04b5db36865 | 117 | resetToDefaultsFlag = true; |
rgrover1 | 712:b04b5db36865 | 118 | } |
rgrover1 | 712:b04b5db36865 | 119 | if (resetToDefaultsFlag) { |
rgrover1 | 712:b04b5db36865 | 120 | resetToDefaults(); |
rgrover1 | 712:b04b5db36865 | 121 | } else { |
rgrover1 | 712:b04b5db36865 | 122 | updateCharacteristicValues(); |
rgrover1 | 712:b04b5db36865 | 123 | } |
rgrover1 | 712:b04b5db36865 | 124 | |
rgrover1 | 712:b04b5db36865 | 125 | lockedState = isLocked(); |
rgrover1 | 712:b04b5db36865 | 126 | |
rgrover1 | 712:b04b5db36865 | 127 | lockChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::lockAuthorizationCallback); |
rgrover1 | 712:b04b5db36865 | 128 | unlockChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::unlockAuthorizationCallback); |
rgrover1 | 712:b04b5db36865 | 129 | uriDataChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::uriDataWriteAuthorizationCallback); |
rgrover1 | 712:b04b5db36865 | 130 | flagsChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::basicAuthorizationCallback<uint8_t>); |
rgrover1 | 712:b04b5db36865 | 131 | advPowerLevelsChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::basicAuthorizationCallback<PowerLevels_t>); |
rgrover1 | 712:b04b5db36865 | 132 | txPowerModeChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::powerModeAuthorizationCallback); |
rgrover1 | 712:b04b5db36865 | 133 | beaconPeriodChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::basicAuthorizationCallback<uint16_t>); |
rgrover1 | 712:b04b5db36865 | 134 | resetChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::basicAuthorizationCallback<uint8_t>); |
rgrover1 | 712:b04b5db36865 | 135 | |
rgrover1 | 712:b04b5db36865 | 136 | static GattCharacteristic *charTable[] = { |
rgrover1 | 712:b04b5db36865 | 137 | &lockedStateChar, &lockChar, &unlockChar, &uriDataChar, |
rgrover1 | 712:b04b5db36865 | 138 | &flagsChar, &advPowerLevelsChar, &txPowerModeChar, &beaconPeriodChar, &resetChar |
rgrover1 | 712:b04b5db36865 | 139 | }; |
rgrover1 | 712:b04b5db36865 | 140 | |
rgrover1 | 712:b04b5db36865 | 141 | GattService configService(UUID_URI_BEACON_SERVICE, charTable, sizeof(charTable) / sizeof(GattCharacteristic *)); |
rgrover1 | 712:b04b5db36865 | 142 | |
rgrover1 | 712:b04b5db36865 | 143 | ble.addService(configService); |
rgrover1 | 712:b04b5db36865 | 144 | ble.onDataWritten(this, &URIBeaconConfigService::onDataWrittenCallback); |
rgrover1 | 712:b04b5db36865 | 145 | |
rgrover1 | 712:b04b5db36865 | 146 | setupURIBeaconConfigAdvertisements(); /* Setup advertising for the configService. */ |
rgrover1 | 712:b04b5db36865 | 147 | |
rgrover1 | 712:b04b5db36865 | 148 | initSucceeded = true; |
rgrover1 | 712:b04b5db36865 | 149 | } |
rgrover1 | 712:b04b5db36865 | 150 | |
rgrover1 | 712:b04b5db36865 | 151 | bool configuredSuccessfully(void) const { |
rgrover1 | 712:b04b5db36865 | 152 | return initSucceeded; |
rgrover1 | 712:b04b5db36865 | 153 | } |
rgrover1 | 712:b04b5db36865 | 154 | |
rgrover1 | 712:b04b5db36865 | 155 | /* Start out by advertising the configService for a limited time after |
rgrover1 | 712:b04b5db36865 | 156 | * startup; and switch to the normal non-connectible beacon functionality |
rgrover1 | 712:b04b5db36865 | 157 | * afterwards. */ |
rgrover1 | 712:b04b5db36865 | 158 | void setupURIBeaconConfigAdvertisements() |
rgrover1 | 712:b04b5db36865 | 159 | { |
rgrover1 | 712:b04b5db36865 | 160 | const char DEVICE_NAME[] = "mUriBeacon Config"; |
rgrover1 | 712:b04b5db36865 | 161 | |
rgrover1 | 712:b04b5db36865 | 162 | ble.gap().clearAdvertisingPayload(); |
rgrover1 | 712:b04b5db36865 | 163 | |
rgrover1 | 712:b04b5db36865 | 164 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
rgrover1 | 712:b04b5db36865 | 165 | |
rgrover1 | 712:b04b5db36865 | 166 | // UUID is in different order in the ADV frame (!) |
rgrover1 | 712:b04b5db36865 | 167 | uint8_t reversedServiceUUID[sizeof(UUID_URI_BEACON_SERVICE)]; |
rgrover1 | 712:b04b5db36865 | 168 | for (unsigned int i = 0; i < sizeof(UUID_URI_BEACON_SERVICE); i++) { |
rgrover1 | 712:b04b5db36865 | 169 | reversedServiceUUID[i] = UUID_URI_BEACON_SERVICE[sizeof(UUID_URI_BEACON_SERVICE) - i - 1]; |
rgrover1 | 712:b04b5db36865 | 170 | } |
rgrover1 | 712:b04b5db36865 | 171 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, reversedServiceUUID, sizeof(reversedServiceUUID)); |
rgrover1 | 712:b04b5db36865 | 172 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_TAG); |
rgrover1 | 712:b04b5db36865 | 173 | ble.gap().accumulateScanResponse(GapAdvertisingData::COMPLETE_LOCAL_NAME, reinterpret_cast<const uint8_t *>(&DEVICE_NAME), sizeof(DEVICE_NAME)); |
rgrover1 | 712:b04b5db36865 | 174 | ble.gap().accumulateScanResponse(GapAdvertisingData::TX_POWER_LEVEL, |
rgrover1 | 712:b04b5db36865 | 175 | reinterpret_cast<uint8_t *>(&defaultAdvPowerLevels[URIBeaconConfigService::TX_POWER_MODE_LOW]), |
rgrover1 | 712:b04b5db36865 | 176 | sizeof(uint8_t)); |
rgrover1 | 712:b04b5db36865 | 177 | |
rgrover1 | 712:b04b5db36865 | 178 | ble.gap().setTxPower(params.advPowerLevels[params.txPowerMode]); |
rgrover1 | 712:b04b5db36865 | 179 | ble.gap().setDeviceName(reinterpret_cast<const uint8_t *>(&DEVICE_NAME)); |
rgrover1 | 712:b04b5db36865 | 180 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
rgrover1 | 712:b04b5db36865 | 181 | ble.gap().setAdvertisingInterval(Gap::MSEC_TO_ADVERTISEMENT_DURATION_UNITS(ADVERTISING_INTERVAL_MSEC)); |
rgrover1 | 712:b04b5db36865 | 182 | } |
rgrover1 | 712:b04b5db36865 | 183 | |
rgrover1 | 712:b04b5db36865 | 184 | /* Helper function to switch to the non-connectible normal mode for URIBeacon. This gets called after a timeout. */ |
rgrover1 | 712:b04b5db36865 | 185 | void setupURIBeaconAdvertisements() |
rgrover1 | 712:b04b5db36865 | 186 | { |
rgrover1 | 712:b04b5db36865 | 187 | uint8_t serviceData[SERVICE_DATA_MAX]; |
rgrover1 | 712:b04b5db36865 | 188 | unsigned serviceDataLen = 0; |
rgrover1 | 712:b04b5db36865 | 189 | |
rgrover1 | 712:b04b5db36865 | 190 | /* Reinitialize the BLE stack. This will clear away the existing services and advertising state. */ |
rgrover1 | 712:b04b5db36865 | 191 | ble.shutdown(); |
rgrover1 | 712:b04b5db36865 | 192 | ble.init(); |
rgrover1 | 712:b04b5db36865 | 193 | |
rgrover1 | 712:b04b5db36865 | 194 | // Fields from the Service |
rgrover1 | 712:b04b5db36865 | 195 | unsigned beaconPeriod = params.beaconPeriod; |
rgrover1 | 712:b04b5db36865 | 196 | unsigned txPowerMode = params.txPowerMode; |
rgrover1 | 712:b04b5db36865 | 197 | unsigned uriDataLength = params.uriDataLength; |
rgrover1 | 712:b04b5db36865 | 198 | URIBeaconConfigService::UriData_t &uriData = params.uriData; |
rgrover1 | 712:b04b5db36865 | 199 | URIBeaconConfigService::PowerLevels_t &advPowerLevels = params.advPowerLevels; |
rgrover1 | 712:b04b5db36865 | 200 | uint8_t flags = params.flags; |
rgrover1 | 712:b04b5db36865 | 201 | |
rgrover1 | 712:b04b5db36865 | 202 | extern void saveURIBeaconConfigParams(const Params_t *paramsP); /* forward declaration; necessary to avoid a circular dependency. */ |
rgrover1 | 712:b04b5db36865 | 203 | saveURIBeaconConfigParams(¶ms); |
rgrover1 | 712:b04b5db36865 | 204 | |
rgrover1 | 712:b04b5db36865 | 205 | ble.gap().clearAdvertisingPayload(); |
rgrover1 | 712:b04b5db36865 | 206 | ble.gap().setTxPower(params.advPowerLevels[params.txPowerMode]); |
rgrover1 | 712:b04b5db36865 | 207 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); |
rgrover1 | 712:b04b5db36865 | 208 | ble.gap().setAdvertisingInterval(beaconPeriod); |
rgrover1 | 712:b04b5db36865 | 209 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
rgrover1 | 712:b04b5db36865 | 210 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, BEACON_UUID, sizeof(BEACON_UUID)); |
rgrover1 | 712:b04b5db36865 | 211 | |
rgrover1 | 712:b04b5db36865 | 212 | serviceData[serviceDataLen++] = BEACON_UUID[0]; |
rgrover1 | 712:b04b5db36865 | 213 | serviceData[serviceDataLen++] = BEACON_UUID[1]; |
rgrover1 | 712:b04b5db36865 | 214 | serviceData[serviceDataLen++] = flags; |
rgrover1 | 712:b04b5db36865 | 215 | serviceData[serviceDataLen++] = advPowerLevels[txPowerMode]; |
rgrover1 | 712:b04b5db36865 | 216 | for (unsigned j = 0; j < uriDataLength; j++) { |
rgrover1 | 712:b04b5db36865 | 217 | serviceData[serviceDataLen++] = uriData[j]; |
rgrover1 | 712:b04b5db36865 | 218 | } |
rgrover1 | 712:b04b5db36865 | 219 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::SERVICE_DATA, serviceData, serviceDataLen); |
rgrover1 | 712:b04b5db36865 | 220 | } |
rgrover1 | 712:b04b5db36865 | 221 | |
rgrover1 | 712:b04b5db36865 | 222 | private: |
rgrover1 | 712:b04b5db36865 | 223 | // True if the lock bits are non-zero |
rgrover1 | 712:b04b5db36865 | 224 | bool isLocked() { |
rgrover1 | 712:b04b5db36865 | 225 | Lock_t testLock; |
rgrover1 | 712:b04b5db36865 | 226 | memset(testLock, 0, sizeof(Lock_t)); |
rgrover1 | 712:b04b5db36865 | 227 | return memcmp(params.lock, testLock, sizeof(Lock_t)); |
rgrover1 | 712:b04b5db36865 | 228 | } |
rgrover1 | 712:b04b5db36865 | 229 | |
rgrover1 | 712:b04b5db36865 | 230 | /* |
rgrover1 | 712:b04b5db36865 | 231 | * This callback is invoked when a GATT client attempts to modify any of the |
rgrover1 | 712:b04b5db36865 | 232 | * characteristics of this service. Attempts to do so are also applied to |
rgrover1 | 712:b04b5db36865 | 233 | * the internal state of this service object. |
rgrover1 | 712:b04b5db36865 | 234 | */ |
rgrover1 | 712:b04b5db36865 | 235 | void onDataWrittenCallback(const GattWriteCallbackParams *writeParams) { |
rgrover1 | 712:b04b5db36865 | 236 | uint16_t handle = writeParams->handle; |
rgrover1 | 712:b04b5db36865 | 237 | |
rgrover1 | 712:b04b5db36865 | 238 | if (handle == lockChar.getValueHandle()) { |
rgrover1 | 712:b04b5db36865 | 239 | // Validated earlier |
rgrover1 | 712:b04b5db36865 | 240 | memcpy(params.lock, writeParams->data, sizeof(Lock_t)); |
rgrover1 | 712:b04b5db36865 | 241 | // use isLocked() in case bits are being set to all 0's |
rgrover1 | 712:b04b5db36865 | 242 | lockedState = isLocked(); |
rgrover1 | 712:b04b5db36865 | 243 | } else if (handle == unlockChar.getValueHandle()) { |
rgrover1 | 712:b04b5db36865 | 244 | // Validated earlier |
rgrover1 | 712:b04b5db36865 | 245 | memset(params.lock, 0, sizeof(Lock_t)); |
rgrover1 | 712:b04b5db36865 | 246 | lockedState = false; |
rgrover1 | 712:b04b5db36865 | 247 | } else if (handle == uriDataChar.getValueHandle()) { |
rgrover1 | 712:b04b5db36865 | 248 | params.uriDataLength = writeParams->len; |
rgrover1 | 712:b04b5db36865 | 249 | memcpy(params.uriData, writeParams->data, params.uriDataLength); |
rgrover1 | 712:b04b5db36865 | 250 | } else if (handle == flagsChar.getValueHandle()) { |
rgrover1 | 712:b04b5db36865 | 251 | params.flags = *(writeParams->data); |
rgrover1 | 712:b04b5db36865 | 252 | } else if (handle == advPowerLevelsChar.getValueHandle()) { |
rgrover1 | 712:b04b5db36865 | 253 | memcpy(params.advPowerLevels, writeParams->data, sizeof(PowerLevels_t)); |
rgrover1 | 712:b04b5db36865 | 254 | } else if (handle == txPowerModeChar.getValueHandle()) { |
rgrover1 | 712:b04b5db36865 | 255 | params.txPowerMode = *(writeParams->data); |
rgrover1 | 712:b04b5db36865 | 256 | } else if (handle == beaconPeriodChar.getValueHandle()) { |
rgrover1 | 712:b04b5db36865 | 257 | params.beaconPeriod = *((uint16_t *)(writeParams->data)); |
rgrover1 | 712:b04b5db36865 | 258 | |
rgrover1 | 712:b04b5db36865 | 259 | /* Re-map beaconPeriod to within permissible bounds if necessary. */ |
rgrover1 | 712:b04b5db36865 | 260 | if (params.beaconPeriod != 0) { |
rgrover1 | 712:b04b5db36865 | 261 | bool paramsUpdated = false; |
rgrover1 | 712:b04b5db36865 | 262 | if (params.beaconPeriod < ble.gap().getMinAdvertisingInterval()) { |
rgrover1 | 712:b04b5db36865 | 263 | params.beaconPeriod = ble.gap().getMinAdvertisingInterval(); |
rgrover1 | 712:b04b5db36865 | 264 | paramsUpdated = true; |
rgrover1 | 712:b04b5db36865 | 265 | } else if (params.beaconPeriod > ble.gap().getMaxAdvertisingInterval()) { |
rgrover1 | 712:b04b5db36865 | 266 | params.beaconPeriod = ble.gap().getMaxAdvertisingInterval(); |
rgrover1 | 712:b04b5db36865 | 267 | paramsUpdated = true; |
rgrover1 | 712:b04b5db36865 | 268 | } |
rgrover1 | 712:b04b5db36865 | 269 | if (paramsUpdated) { |
rgrover1 | 712:b04b5db36865 | 270 | ble.updateCharacteristicValue(beaconPeriodChar.getValueHandle(), reinterpret_cast<uint8_t *>(¶ms.beaconPeriod), sizeof(uint16_t)); |
rgrover1 | 712:b04b5db36865 | 271 | } |
rgrover1 | 712:b04b5db36865 | 272 | } |
rgrover1 | 712:b04b5db36865 | 273 | } else if (handle == resetChar.getValueHandle()) { |
rgrover1 | 712:b04b5db36865 | 274 | resetToDefaults(); |
rgrover1 | 712:b04b5db36865 | 275 | } |
rgrover1 | 712:b04b5db36865 | 276 | } |
rgrover1 | 712:b04b5db36865 | 277 | |
rgrover1 | 712:b04b5db36865 | 278 | /* |
rgrover1 | 712:b04b5db36865 | 279 | * Reset the default values. |
rgrover1 | 712:b04b5db36865 | 280 | */ |
rgrover1 | 712:b04b5db36865 | 281 | void resetToDefaults(void) { |
rgrover1 | 712:b04b5db36865 | 282 | lockedState = false; |
rgrover1 | 712:b04b5db36865 | 283 | memset(params.lock, 0, sizeof(Lock_t)); |
rgrover1 | 712:b04b5db36865 | 284 | memcpy(params.uriData, defaultUriData, URI_DATA_MAX); |
rgrover1 | 712:b04b5db36865 | 285 | params.uriDataLength = defaultUriDataLength; |
rgrover1 | 712:b04b5db36865 | 286 | params.flags = 0; |
rgrover1 | 712:b04b5db36865 | 287 | memcpy(params.advPowerLevels, defaultAdvPowerLevels, sizeof(PowerLevels_t)); |
rgrover1 | 712:b04b5db36865 | 288 | params.txPowerMode = TX_POWER_MODE_LOW; |
rgrover1 | 712:b04b5db36865 | 289 | params.beaconPeriod = 1000; |
rgrover1 | 712:b04b5db36865 | 290 | updateCharacteristicValues(); |
rgrover1 | 712:b04b5db36865 | 291 | } |
rgrover1 | 712:b04b5db36865 | 292 | |
rgrover1 | 712:b04b5db36865 | 293 | /* |
rgrover1 | 712:b04b5db36865 | 294 | * Internal helper function used to update the GATT database following any |
rgrover1 | 712:b04b5db36865 | 295 | * change to the internal state of the service object. |
rgrover1 | 712:b04b5db36865 | 296 | */ |
rgrover1 | 712:b04b5db36865 | 297 | void updateCharacteristicValues(void) { |
rgrover1 | 712:b04b5db36865 | 298 | ble.updateCharacteristicValue(lockedStateChar.getValueHandle(), &lockedState, 1); |
rgrover1 | 712:b04b5db36865 | 299 | ble.updateCharacteristicValue(uriDataChar.getValueHandle(), params.uriData, params.uriDataLength); |
rgrover1 | 712:b04b5db36865 | 300 | ble.updateCharacteristicValue(flagsChar.getValueHandle(), ¶ms.flags, 1); |
rgrover1 | 712:b04b5db36865 | 301 | ble.updateCharacteristicValue(beaconPeriodChar.getValueHandle(), |
rgrover1 | 712:b04b5db36865 | 302 | reinterpret_cast<uint8_t *>(¶ms.beaconPeriod), sizeof(uint16_t)); |
rgrover1 | 712:b04b5db36865 | 303 | ble.updateCharacteristicValue(txPowerModeChar.getValueHandle(), ¶ms.txPowerMode, 1); |
rgrover1 | 712:b04b5db36865 | 304 | ble.updateCharacteristicValue(advPowerLevelsChar.getValueHandle(), |
rgrover1 | 712:b04b5db36865 | 305 | reinterpret_cast<uint8_t *>(params.advPowerLevels), sizeof(PowerLevels_t)); |
rgrover1 | 712:b04b5db36865 | 306 | } |
rgrover1 | 712:b04b5db36865 | 307 | |
rgrover1 | 712:b04b5db36865 | 308 | private: |
rgrover1 | 712:b04b5db36865 | 309 | void lockAuthorizationCallback(GattWriteAuthCallbackParams *authParams) { |
rgrover1 | 712:b04b5db36865 | 310 | if (lockedState) { |
rgrover1 | 712:b04b5db36865 | 311 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION; |
rgrover1 | 712:b04b5db36865 | 312 | } else if (authParams->len != sizeof(Lock_t)) { |
rgrover1 | 712:b04b5db36865 | 313 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH; |
rgrover1 | 712:b04b5db36865 | 314 | } else if (authParams->offset != 0) { |
rgrover1 | 712:b04b5db36865 | 315 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET; |
rgrover1 | 712:b04b5db36865 | 316 | } else { |
rgrover1 | 712:b04b5db36865 | 317 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; |
rgrover1 | 712:b04b5db36865 | 318 | } |
rgrover1 | 712:b04b5db36865 | 319 | } |
rgrover1 | 712:b04b5db36865 | 320 | |
rgrover1 | 712:b04b5db36865 | 321 | |
rgrover1 | 712:b04b5db36865 | 322 | void unlockAuthorizationCallback(GattWriteAuthCallbackParams *authParams) { |
rgrover1 | 712:b04b5db36865 | 323 | if (!lockedState) { |
rgrover1 | 712:b04b5db36865 | 324 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; |
rgrover1 | 712:b04b5db36865 | 325 | } else if (authParams->len != sizeof(Lock_t)) { |
rgrover1 | 712:b04b5db36865 | 326 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH; |
rgrover1 | 712:b04b5db36865 | 327 | } else if (authParams->offset != 0) { |
rgrover1 | 712:b04b5db36865 | 328 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET; |
rgrover1 | 712:b04b5db36865 | 329 | } else if (memcmp(authParams->data, params.lock, sizeof(Lock_t)) != 0) { |
rgrover1 | 712:b04b5db36865 | 330 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION; |
rgrover1 | 712:b04b5db36865 | 331 | } else { |
rgrover1 | 712:b04b5db36865 | 332 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; |
rgrover1 | 712:b04b5db36865 | 333 | } |
rgrover1 | 712:b04b5db36865 | 334 | } |
rgrover1 | 712:b04b5db36865 | 335 | |
rgrover1 | 712:b04b5db36865 | 336 | void uriDataWriteAuthorizationCallback(GattWriteAuthCallbackParams *authParams) { |
rgrover1 | 712:b04b5db36865 | 337 | if (lockedState) { |
rgrover1 | 712:b04b5db36865 | 338 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION; |
rgrover1 | 712:b04b5db36865 | 339 | } else if (authParams->offset != 0) { |
rgrover1 | 712:b04b5db36865 | 340 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET; |
rgrover1 | 712:b04b5db36865 | 341 | } else { |
rgrover1 | 712:b04b5db36865 | 342 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; |
rgrover1 | 712:b04b5db36865 | 343 | } |
rgrover1 | 712:b04b5db36865 | 344 | } |
rgrover1 | 712:b04b5db36865 | 345 | |
rgrover1 | 712:b04b5db36865 | 346 | void powerModeAuthorizationCallback(GattWriteAuthCallbackParams *authParams) { |
rgrover1 | 712:b04b5db36865 | 347 | if (lockedState) { |
rgrover1 | 712:b04b5db36865 | 348 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION; |
rgrover1 | 712:b04b5db36865 | 349 | } else if (authParams->len != sizeof(uint8_t)) { |
rgrover1 | 712:b04b5db36865 | 350 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH; |
rgrover1 | 712:b04b5db36865 | 351 | } else if (authParams->offset != 0) { |
rgrover1 | 712:b04b5db36865 | 352 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET; |
rgrover1 | 712:b04b5db36865 | 353 | } else if (*((uint8_t *)authParams->data) >= NUM_POWER_MODES) { |
rgrover1 | 712:b04b5db36865 | 354 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_WRITE_NOT_PERMITTED; |
rgrover1 | 712:b04b5db36865 | 355 | } else { |
rgrover1 | 712:b04b5db36865 | 356 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; |
rgrover1 | 712:b04b5db36865 | 357 | } |
rgrover1 | 712:b04b5db36865 | 358 | } |
rgrover1 | 712:b04b5db36865 | 359 | |
rgrover1 | 712:b04b5db36865 | 360 | template <typename T> |
rgrover1 | 712:b04b5db36865 | 361 | void basicAuthorizationCallback(GattWriteAuthCallbackParams *authParams) { |
rgrover1 | 712:b04b5db36865 | 362 | if (lockedState) { |
rgrover1 | 712:b04b5db36865 | 363 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION; |
rgrover1 | 712:b04b5db36865 | 364 | } else if (authParams->len != sizeof(T)) { |
rgrover1 | 712:b04b5db36865 | 365 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH; |
rgrover1 | 712:b04b5db36865 | 366 | } else if (authParams->offset != 0) { |
rgrover1 | 712:b04b5db36865 | 367 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET; |
rgrover1 | 712:b04b5db36865 | 368 | } else { |
rgrover1 | 712:b04b5db36865 | 369 | authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; |
rgrover1 | 712:b04b5db36865 | 370 | } |
rgrover1 | 712:b04b5db36865 | 371 | } |
rgrover1 | 712:b04b5db36865 | 372 | |
rgrover1 | 712:b04b5db36865 | 373 | protected: |
rgrover1 | 712:b04b5db36865 | 374 | BLE &ble; |
rgrover1 | 712:b04b5db36865 | 375 | Params_t ¶ms; |
rgrover1 | 712:b04b5db36865 | 376 | |
rgrover1 | 712:b04b5db36865 | 377 | size_t defaultUriDataLength; // Default value that is restored on reset |
rgrover1 | 712:b04b5db36865 | 378 | UriData_t defaultUriData; // Default value that is restored on reset |
rgrover1 | 712:b04b5db36865 | 379 | PowerLevels_t &defaultAdvPowerLevels; // Default value that is restored on reset |
rgrover1 | 712:b04b5db36865 | 380 | |
rgrover1 | 712:b04b5db36865 | 381 | uint8_t lockedState; |
rgrover1 | 712:b04b5db36865 | 382 | bool initSucceeded; |
rgrover1 | 712:b04b5db36865 | 383 | uint8_t resetFlag; |
rgrover1 | 712:b04b5db36865 | 384 | |
rgrover1 | 712:b04b5db36865 | 385 | ReadOnlyGattCharacteristic<uint8_t> lockedStateChar; |
rgrover1 | 712:b04b5db36865 | 386 | WriteOnlyGattCharacteristic<Lock_t> lockChar; |
rgrover1 | 712:b04b5db36865 | 387 | GattCharacteristic uriDataChar; |
rgrover1 | 712:b04b5db36865 | 388 | WriteOnlyGattCharacteristic<Lock_t> unlockChar; |
rgrover1 | 712:b04b5db36865 | 389 | ReadWriteGattCharacteristic<uint8_t> flagsChar; |
rgrover1 | 712:b04b5db36865 | 390 | ReadWriteGattCharacteristic<PowerLevels_t> advPowerLevelsChar; |
rgrover1 | 712:b04b5db36865 | 391 | ReadWriteGattCharacteristic<uint8_t> txPowerModeChar; |
rgrover1 | 712:b04b5db36865 | 392 | ReadWriteGattCharacteristic<uint16_t> beaconPeriodChar; |
rgrover1 | 712:b04b5db36865 | 393 | WriteOnlyGattCharacteristic<uint8_t> resetChar; |
rgrover1 | 712:b04b5db36865 | 394 | |
rgrover1 | 712:b04b5db36865 | 395 | public: |
rgrover1 | 712:b04b5db36865 | 396 | /* |
rgrover1 | 712:b04b5db36865 | 397 | * Encode a human-readable URI into the binary format defined by URIBeacon spec (https://github.com/google/uribeacon/tree/master/specification). |
rgrover1 | 712:b04b5db36865 | 398 | */ |
rgrover1 | 712:b04b5db36865 | 399 | static void encodeURI(const char *uriDataIn, UriData_t uriDataOut, size_t &sizeofURIDataOut) { |
rgrover1 | 712:b04b5db36865 | 400 | const char *prefixes[] = { |
rgrover1 | 712:b04b5db36865 | 401 | "http://www.", |
rgrover1 | 712:b04b5db36865 | 402 | "https://www.", |
rgrover1 | 712:b04b5db36865 | 403 | "http://", |
rgrover1 | 712:b04b5db36865 | 404 | "https://", |
rgrover1 | 712:b04b5db36865 | 405 | "urn:uuid:" |
rgrover1 | 712:b04b5db36865 | 406 | }; |
rgrover1 | 712:b04b5db36865 | 407 | const size_t NUM_PREFIXES = sizeof(prefixes) / sizeof(char *); |
rgrover1 | 712:b04b5db36865 | 408 | const char *suffixes[] = { |
rgrover1 | 712:b04b5db36865 | 409 | ".com/", |
rgrover1 | 712:b04b5db36865 | 410 | ".org/", |
rgrover1 | 712:b04b5db36865 | 411 | ".edu/", |
rgrover1 | 712:b04b5db36865 | 412 | ".net/", |
rgrover1 | 712:b04b5db36865 | 413 | ".info/", |
rgrover1 | 712:b04b5db36865 | 414 | ".biz/", |
rgrover1 | 712:b04b5db36865 | 415 | ".gov/", |
rgrover1 | 712:b04b5db36865 | 416 | ".com", |
rgrover1 | 712:b04b5db36865 | 417 | ".org", |
rgrover1 | 712:b04b5db36865 | 418 | ".edu", |
rgrover1 | 712:b04b5db36865 | 419 | ".net", |
rgrover1 | 712:b04b5db36865 | 420 | ".info", |
rgrover1 | 712:b04b5db36865 | 421 | ".biz", |
rgrover1 | 712:b04b5db36865 | 422 | ".gov" |
rgrover1 | 712:b04b5db36865 | 423 | }; |
rgrover1 | 712:b04b5db36865 | 424 | const size_t NUM_SUFFIXES = sizeof(suffixes) / sizeof(char *); |
rgrover1 | 712:b04b5db36865 | 425 | |
rgrover1 | 712:b04b5db36865 | 426 | sizeofURIDataOut = 0; |
rgrover1 | 712:b04b5db36865 | 427 | memset(uriDataOut, 0, sizeof(UriData_t)); |
rgrover1 | 712:b04b5db36865 | 428 | |
rgrover1 | 712:b04b5db36865 | 429 | if ((uriDataIn == NULL) || (strlen(uriDataIn) == 0)) { |
rgrover1 | 712:b04b5db36865 | 430 | return; |
rgrover1 | 712:b04b5db36865 | 431 | } |
rgrover1 | 712:b04b5db36865 | 432 | |
rgrover1 | 712:b04b5db36865 | 433 | /* |
rgrover1 | 712:b04b5db36865 | 434 | * handle prefix |
rgrover1 | 712:b04b5db36865 | 435 | */ |
rgrover1 | 712:b04b5db36865 | 436 | for (unsigned i = 0; i < NUM_PREFIXES; i++) { |
rgrover1 | 712:b04b5db36865 | 437 | size_t prefixLen = strlen(prefixes[i]); |
rgrover1 | 712:b04b5db36865 | 438 | if (strncmp(uriDataIn, prefixes[i], prefixLen) == 0) { |
rgrover1 | 712:b04b5db36865 | 439 | uriDataOut[sizeofURIDataOut++] = i; |
rgrover1 | 712:b04b5db36865 | 440 | uriDataIn += prefixLen; |
rgrover1 | 712:b04b5db36865 | 441 | break; |
rgrover1 | 712:b04b5db36865 | 442 | } |
rgrover1 | 712:b04b5db36865 | 443 | } |
rgrover1 | 712:b04b5db36865 | 444 | |
rgrover1 | 712:b04b5db36865 | 445 | /* |
rgrover1 | 712:b04b5db36865 | 446 | * handle suffixes |
rgrover1 | 712:b04b5db36865 | 447 | */ |
rgrover1 | 712:b04b5db36865 | 448 | while (*uriDataIn && (sizeofURIDataOut < URI_DATA_MAX)) { |
rgrover1 | 712:b04b5db36865 | 449 | /* check for suffix match */ |
rgrover1 | 712:b04b5db36865 | 450 | unsigned i; |
rgrover1 | 712:b04b5db36865 | 451 | for (i = 0; i < NUM_SUFFIXES; i++) { |
rgrover1 | 712:b04b5db36865 | 452 | size_t suffixLen = strlen(suffixes[i]); |
rgrover1 | 712:b04b5db36865 | 453 | if (strncmp(uriDataIn, suffixes[i], suffixLen) == 0) { |
rgrover1 | 712:b04b5db36865 | 454 | uriDataOut[sizeofURIDataOut++] = i; |
rgrover1 | 712:b04b5db36865 | 455 | uriDataIn += suffixLen; |
rgrover1 | 712:b04b5db36865 | 456 | break; /* from the for loop for checking against suffixes */ |
rgrover1 | 712:b04b5db36865 | 457 | } |
rgrover1 | 712:b04b5db36865 | 458 | } |
rgrover1 | 712:b04b5db36865 | 459 | /* This is the default case where we've got an ordinary character which doesn't match a suffix. */ |
rgrover1 | 712:b04b5db36865 | 460 | if (i == NUM_SUFFIXES) { |
rgrover1 | 712:b04b5db36865 | 461 | uriDataOut[sizeofURIDataOut++] = *uriDataIn; |
rgrover1 | 712:b04b5db36865 | 462 | ++uriDataIn; |
rgrover1 | 712:b04b5db36865 | 463 | } |
rgrover1 | 712:b04b5db36865 | 464 | } |
rgrover1 | 712:b04b5db36865 | 465 | } |
rgrover1 | 712:b04b5db36865 | 466 | }; |
rgrover1 | 712:b04b5db36865 | 467 | |
rgrover1 | 712:b04b5db36865 | 468 | #endif // SERVICES_URIBEACONCONFIGSERVICE_H_ |