Ollie Ford
Minor fixes
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URIBeaconConfigService.h
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #ifndef SERVICES_URIBEACONCONFIGSERVICE_H_ 00018 #define SERVICES_URIBEACONCONFIGSERVICE_H_ 00019 00020 #include "ble/BLE.h" 00021 #include "mbed.h" 00022 00023 extern const uint8_t UUID_URI_BEACON_SERVICE[UUID::LENGTH_OF_LONG_UUID]; 00024 extern const uint8_t UUID_LOCK_STATE_CHAR[UUID::LENGTH_OF_LONG_UUID]; 00025 extern const uint8_t UUID_LOCK_CHAR[UUID::LENGTH_OF_LONG_UUID]; 00026 extern const uint8_t UUID_UNLOCK_CHAR[UUID::LENGTH_OF_LONG_UUID]; 00027 extern const uint8_t UUID_URI_DATA_CHAR[UUID::LENGTH_OF_LONG_UUID]; 00028 extern const uint8_t UUID_FLAGS_CHAR[UUID::LENGTH_OF_LONG_UUID]; 00029 extern const uint8_t UUID_ADV_POWER_LEVELS_CHAR[UUID::LENGTH_OF_LONG_UUID]; 00030 extern const uint8_t UUID_TX_POWER_MODE_CHAR[UUID::LENGTH_OF_LONG_UUID]; 00031 extern const uint8_t UUID_BEACON_PERIOD_CHAR[UUID::LENGTH_OF_LONG_UUID]; 00032 extern const uint8_t UUID_RESET_CHAR[UUID::LENGTH_OF_LONG_UUID]; 00033 00034 extern const uint8_t BEACON_UUID[sizeof(UUID::ShortUUIDBytes_t)]; 00035 00036 /** 00037 * @class URIBeaconConfigService 00038 * @brief UriBeacon Configuration Service. Can be used to set URL, adjust power levels, and set flags. 00039 * See http://uribeacon.org 00040 * 00041 */ 00042 class URIBeaconConfigService { 00043 public: 00044 /** 00045 * @brief Transmission Power Modes for UriBeacon 00046 */ 00047 static const uint8_t TX_POWER_MODE_LOWEST = 0; /*!< Lowest TX power mode */ 00048 static const uint8_t TX_POWER_MODE_LOW = 1; /*!< Low TX power mode */ 00049 static const uint8_t TX_POWER_MODE_MEDIUM = 2; /*!< Medium TX power mode */ 00050 static const uint8_t TX_POWER_MODE_HIGH = 3; /*!< High TX power mode */ 00051 static const unsigned NUM_POWER_MODES = 4; /*!< Number of Power Modes defined */ 00052 00053 static const int ADVERTISING_INTERVAL_MSEC = 1000; // Advertising interval for config service. 00054 static const int SERVICE_DATA_MAX = 31; // Maximum size of service data in ADV packets 00055 00056 typedef uint8_t Lock_t[16]; /* 128 bits */ 00057 typedef int8_t PowerLevels_t[NUM_POWER_MODES ]; 00058 00059 static const int URI_DATA_MAX = 18; 00060 typedef uint8_t UriData_t[URI_DATA_MAX]; 00061 00062 struct Params_t { 00063 Lock_t lock; 00064 uint8_t uriDataLength; 00065 UriData_t uriData; 00066 uint8_t flags; 00067 PowerLevels_t advPowerLevels; // Current value of AdvertisedPowerLevels 00068 uint8_t txPowerMode; // Firmware power levels used with setTxPower() 00069 uint16_t beaconPeriod; 00070 }; 00071 00072 /** 00073 * @param[ref] ble 00074 * BLE object for the underlying controller. 00075 * @param[in/out] paramsIn 00076 * Reference to application-visible beacon state, loaded 00077 * from persistent storage at startup. 00078 * @paramsP[in] resetToDefaultsFlag 00079 * Applies to the state of the 'paramsIn' parameter. 00080 * If true, it indicates that paramsIn is potentially 00081 * un-initialized, and default values should be used 00082 * instead. Otherwise, paramsIn overrides the defaults. 00083 * @param[in] defaultUriDataIn 00084 * Default un-encoded URI; applies only if the resetToDefaultsFlag is true. 00085 * @param[in] defaultAdvPowerLevelsIn 00086 * Default power-levels array; applies only if the resetToDefaultsFlag is true. 00087 */ 00088 URIBeaconConfigService (BLE &bleIn, 00089 Params_t ¶msIn, 00090 bool resetToDefaultsFlag, 00091 const char *defaultURIDataIn, 00092 PowerLevels_t &defaultAdvPowerLevelsIn) : 00093 ble(bleIn), 00094 params(paramsIn), 00095 defaultUriDataLength(), 00096 defaultUriData(), 00097 defaultAdvPowerLevels(defaultAdvPowerLevelsIn), 00098 initSucceeded(false), 00099 resetFlag(), 00100 lockedStateChar(UUID_LOCK_STATE_CHAR, &lockedState), 00101 lockChar(UUID_LOCK_CHAR, ¶ms.lock), 00102 uriDataChar(UUID_URI_DATA_CHAR, params.uriData, 0, URI_DATA_MAX, 00103 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE), 00104 unlockChar(UUID_UNLOCK_CHAR, ¶ms.lock), 00105 flagsChar(UUID_FLAGS_CHAR, ¶ms.flags), 00106 advPowerLevelsChar(UUID_ADV_POWER_LEVELS_CHAR, ¶ms.advPowerLevels), 00107 txPowerModeChar(UUID_TX_POWER_MODE_CHAR, ¶ms.txPowerMode), 00108 beaconPeriodChar(UUID_BEACON_PERIOD_CHAR, ¶ms.beaconPeriod), 00109 resetChar(UUID_RESET_CHAR, &resetFlag) { 00110 00111 encodeURI(defaultURIDataIn, defaultUriData, defaultUriDataLength); 00112 if (defaultUriDataLength > URI_DATA_MAX) { 00113 return; 00114 } 00115 00116 if (!resetToDefaultsFlag && (params.uriDataLength > URI_DATA_MAX)) { 00117 resetToDefaultsFlag = true; 00118 } 00119 if (resetToDefaultsFlag) { 00120 resetToDefaults(); 00121 } else { 00122 updateCharacteristicValues(); 00123 } 00124 00125 lockedState = isLocked(); 00126 00127 lockChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::lockAuthorizationCallback); 00128 unlockChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::unlockAuthorizationCallback); 00129 uriDataChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::uriDataWriteAuthorizationCallback); 00130 flagsChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::basicAuthorizationCallback<uint8_t>); 00131 advPowerLevelsChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::basicAuthorizationCallback<PowerLevels_t>); 00132 txPowerModeChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::powerModeAuthorizationCallback); 00133 beaconPeriodChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::basicAuthorizationCallback<uint16_t>); 00134 resetChar.setWriteAuthorizationCallback(this, &URIBeaconConfigService::basicAuthorizationCallback<uint8_t>); 00135 00136 static GattCharacteristic *charTable[] = { 00137 &lockedStateChar, &lockChar, &unlockChar, &uriDataChar, 00138 &flagsChar, &advPowerLevelsChar, &txPowerModeChar, &beaconPeriodChar, &resetChar 00139 }; 00140 00141 GattService configService(UUID_URI_BEACON_SERVICE, charTable, sizeof(charTable) / sizeof(GattCharacteristic *)); 00142 00143 ble.addService(configService); 00144 ble.onDataWritten(this, &URIBeaconConfigService::onDataWrittenCallback); 00145 00146 setupURIBeaconConfigAdvertisements(); /* Setup advertising for the configService. */ 00147 00148 initSucceeded = true; 00149 } 00150 00151 bool configuredSuccessfully(void) const { 00152 return initSucceeded; 00153 } 00154 00155 /* Start out by advertising the configService for a limited time after 00156 * startup; and switch to the normal non-connectible beacon functionality 00157 * afterwards. */ 00158 void setupURIBeaconConfigAdvertisements() 00159 { 00160 const char DEVICE_NAME[] = "mUriBeacon Config"; 00161 00162 ble.gap().clearAdvertisingPayload(); 00163 00164 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); 00165 00166 // UUID is in different order in the ADV frame (!) 00167 uint8_t reversedServiceUUID[sizeof(UUID_URI_BEACON_SERVICE)]; 00168 for (unsigned int i = 0; i < sizeof(UUID_URI_BEACON_SERVICE); i++) { 00169 reversedServiceUUID[i] = UUID_URI_BEACON_SERVICE[sizeof(UUID_URI_BEACON_SERVICE) - i - 1]; 00170 } 00171 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, reversedServiceUUID, sizeof(reversedServiceUUID)); 00172 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_TAG); 00173 ble.gap().accumulateScanResponse(GapAdvertisingData::COMPLETE_LOCAL_NAME, reinterpret_cast<const uint8_t *>(&DEVICE_NAME), sizeof(DEVICE_NAME)); 00174 ble.gap().accumulateScanResponse(GapAdvertisingData::TX_POWER_LEVEL, 00175 reinterpret_cast<uint8_t *>(&defaultAdvPowerLevels[URIBeaconConfigService::TX_POWER_MODE_LOW ]), 00176 sizeof(uint8_t)); 00177 00178 ble.gap().setTxPower(params.advPowerLevels[params.txPowerMode]); 00179 ble.gap().setDeviceName(reinterpret_cast<const uint8_t *>(&DEVICE_NAME)); 00180 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); 00181 ble.gap().setAdvertisingInterval(Gap::MSEC_TO_ADVERTISEMENT_DURATION_UNITS(ADVERTISING_INTERVAL_MSEC)); 00182 } 00183 00184 /* Helper function to switch to the non-connectible normal mode for URIBeacon. This gets called after a timeout. */ 00185 void setupURIBeaconAdvertisements() 00186 { 00187 uint8_t serviceData[SERVICE_DATA_MAX]; 00188 unsigned serviceDataLen = 0; 00189 00190 /* Reinitialize the BLE stack. This will clear away the existing services and advertising state. */ 00191 ble.shutdown(); 00192 ble.init(); 00193 00194 // Fields from the Service 00195 unsigned beaconPeriod = params.beaconPeriod; 00196 unsigned txPowerMode = params.txPowerMode; 00197 unsigned uriDataLength = params.uriDataLength; 00198 URIBeaconConfigService::UriData_t &uriData = params.uriData; 00199 URIBeaconConfigService::PowerLevels_t &advPowerLevels = params.advPowerLevels; 00200 uint8_t flags = params.flags; 00201 00202 extern void saveURIBeaconConfigParams(const Params_t *paramsP); /* forward declaration; necessary to avoid a circular dependency. */ 00203 saveURIBeaconConfigParams(¶ms); 00204 00205 ble.gap().clearAdvertisingPayload(); 00206 ble.gap().setTxPower(params.advPowerLevels[params.txPowerMode]); 00207 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); 00208 ble.gap().setAdvertisingInterval(beaconPeriod); 00209 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); 00210 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, BEACON_UUID, sizeof(BEACON_UUID)); 00211 00212 serviceData[serviceDataLen++] = BEACON_UUID[0]; 00213 serviceData[serviceDataLen++] = BEACON_UUID[1]; 00214 serviceData[serviceDataLen++] = flags; 00215 serviceData[serviceDataLen++] = advPowerLevels[txPowerMode]; 00216 for (unsigned j = 0; j < uriDataLength; j++) { 00217 serviceData[serviceDataLen++] = uriData[j]; 00218 } 00219 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::SERVICE_DATA, serviceData, serviceDataLen); 00220 } 00221 00222 private: 00223 // True if the lock bits are non-zero 00224 bool isLocked() { 00225 Lock_t testLock; 00226 memset(testLock, 0, sizeof(Lock_t)); 00227 return memcmp(params.lock, testLock, sizeof(Lock_t)); 00228 } 00229 00230 /* 00231 * This callback is invoked when a GATT client attempts to modify any of the 00232 * characteristics of this service. Attempts to do so are also applied to 00233 * the internal state of this service object. 00234 */ 00235 void onDataWrittenCallback(const GattWriteCallbackParams *writeParams) { 00236 uint16_t handle = writeParams->handle; 00237 00238 if (handle == lockChar.getValueHandle()) { 00239 // Validated earlier 00240 memcpy(params.lock, writeParams->data, sizeof(Lock_t)); 00241 // use isLocked() in case bits are being set to all 0's 00242 lockedState = isLocked(); 00243 } else if (handle == unlockChar.getValueHandle()) { 00244 // Validated earlier 00245 memset(params.lock, 0, sizeof(Lock_t)); 00246 lockedState = false; 00247 } else if (handle == uriDataChar.getValueHandle()) { 00248 params.uriDataLength = writeParams->len; 00249 memcpy(params.uriData, writeParams->data, params.uriDataLength); 00250 } else if (handle == flagsChar.getValueHandle()) { 00251 params.flags = *(writeParams->data); 00252 } else if (handle == advPowerLevelsChar.getValueHandle()) { 00253 memcpy(params.advPowerLevels, writeParams->data, sizeof(PowerLevels_t)); 00254 } else if (handle == txPowerModeChar.getValueHandle()) { 00255 params.txPowerMode = *(writeParams->data); 00256 } else if (handle == beaconPeriodChar.getValueHandle()) { 00257 params.beaconPeriod = *((uint16_t *)(writeParams->data)); 00258 00259 /* Re-map beaconPeriod to within permissible bounds if necessary. */ 00260 if (params.beaconPeriod != 0) { 00261 bool paramsUpdated = false; 00262 if (params.beaconPeriod < ble.gap().getMinAdvertisingInterval()) { 00263 params.beaconPeriod = ble.gap().getMinAdvertisingInterval(); 00264 paramsUpdated = true; 00265 } else if (params.beaconPeriod > ble.gap().getMaxAdvertisingInterval()) { 00266 params.beaconPeriod = ble.gap().getMaxAdvertisingInterval(); 00267 paramsUpdated = true; 00268 } 00269 if (paramsUpdated) { 00270 ble.gattServer().write(beaconPeriodChar.getValueHandle(), reinterpret_cast<uint8_t *>(¶ms.beaconPeriod), sizeof(uint16_t)); 00271 } 00272 } 00273 } else if (handle == resetChar.getValueHandle()) { 00274 resetToDefaults(); 00275 } 00276 } 00277 00278 /* 00279 * Reset the default values. 00280 */ 00281 void resetToDefaults(void) { 00282 lockedState = false; 00283 memset(params.lock, 0, sizeof(Lock_t)); 00284 memcpy(params.uriData, defaultUriData, URI_DATA_MAX); 00285 params.uriDataLength = defaultUriDataLength; 00286 params.flags = 0; 00287 memcpy(params.advPowerLevels, defaultAdvPowerLevels, sizeof(PowerLevels_t)); 00288 params.txPowerMode = TX_POWER_MODE_LOW ; 00289 params.beaconPeriod = 1000; 00290 updateCharacteristicValues(); 00291 } 00292 00293 /* 00294 * Internal helper function used to update the GATT database following any 00295 * change to the internal state of the service object. 00296 */ 00297 void updateCharacteristicValues(void) { 00298 ble.gattServer().write(lockedStateChar.getValueHandle(), &lockedState, 1); 00299 ble.gattServer().write(uriDataChar.getValueHandle(), params.uriData, params.uriDataLength); 00300 ble.gattServer().write(flagsChar.getValueHandle(), ¶ms.flags, 1); 00301 ble.gattServer().write(beaconPeriodChar.getValueHandle(), 00302 reinterpret_cast<uint8_t *>(¶ms.beaconPeriod), sizeof(uint16_t)); 00303 ble.gattServer().write(txPowerModeChar.getValueHandle(), ¶ms.txPowerMode, 1); 00304 ble.gattServer().write(advPowerLevelsChar.getValueHandle(), 00305 reinterpret_cast<uint8_t *>(params.advPowerLevels), sizeof(PowerLevels_t)); 00306 } 00307 00308 protected: 00309 void lockAuthorizationCallback(GattWriteAuthCallbackParams *authParams) { 00310 if (lockedState) { 00311 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION; 00312 } else if (authParams->len != sizeof(Lock_t)) { 00313 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH; 00314 } else if (authParams->offset != 0) { 00315 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET; 00316 } else { 00317 authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; 00318 } 00319 } 00320 00321 00322 void unlockAuthorizationCallback(GattWriteAuthCallbackParams *authParams) { 00323 if (!lockedState) { 00324 authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; 00325 } else if (authParams->len != sizeof(Lock_t)) { 00326 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH; 00327 } else if (authParams->offset != 0) { 00328 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET; 00329 } else if (memcmp(authParams->data, params.lock, sizeof(Lock_t)) != 0) { 00330 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION; 00331 } else { 00332 authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; 00333 } 00334 } 00335 00336 void uriDataWriteAuthorizationCallback(GattWriteAuthCallbackParams *authParams) { 00337 if (lockedState) { 00338 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION; 00339 } else if (authParams->offset != 0) { 00340 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET; 00341 } else { 00342 authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; 00343 } 00344 } 00345 00346 void powerModeAuthorizationCallback(GattWriteAuthCallbackParams *authParams) { 00347 if (lockedState) { 00348 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION; 00349 } else if (authParams->len != sizeof(uint8_t)) { 00350 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH; 00351 } else if (authParams->offset != 0) { 00352 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET; 00353 } else if (*((uint8_t *)authParams->data) >= NUM_POWER_MODES ) { 00354 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_WRITE_NOT_PERMITTED; 00355 } else { 00356 authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; 00357 } 00358 } 00359 00360 template <typename T> 00361 void basicAuthorizationCallback(GattWriteAuthCallbackParams *authParams) { 00362 if (lockedState) { 00363 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION; 00364 } else if (authParams->len != sizeof(T)) { 00365 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH; 00366 } else if (authParams->offset != 0) { 00367 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET; 00368 } else { 00369 authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; 00370 } 00371 } 00372 00373 protected: 00374 BLE &ble; 00375 Params_t ¶ms; 00376 00377 size_t defaultUriDataLength; // Default value that is restored on reset 00378 UriData_t defaultUriData; // Default value that is restored on reset 00379 PowerLevels_t &defaultAdvPowerLevels; // Default value that is restored on reset 00380 00381 uint8_t lockedState; 00382 bool initSucceeded; 00383 uint8_t resetFlag; 00384 00385 ReadOnlyGattCharacteristic<uint8_t> lockedStateChar; 00386 WriteOnlyGattCharacteristic<Lock_t> lockChar; 00387 GattCharacteristic uriDataChar; 00388 WriteOnlyGattCharacteristic<Lock_t> unlockChar; 00389 ReadWriteGattCharacteristic<uint8_t> flagsChar; 00390 ReadWriteGattCharacteristic<PowerLevels_t> advPowerLevelsChar; 00391 ReadWriteGattCharacteristic<uint8_t> txPowerModeChar; 00392 ReadWriteGattCharacteristic<uint16_t> beaconPeriodChar; 00393 WriteOnlyGattCharacteristic<uint8_t> resetChar; 00394 00395 public: 00396 /* 00397 * Encode a human-readable URI into the binary format defined by URIBeacon spec (https://github.com/google/uribeacon/tree/master/specification). 00398 */ 00399 static void encodeURI(const char *uriDataIn, UriData_t uriDataOut, size_t &sizeofURIDataOut) { 00400 const char *prefixes[] = { 00401 "http://www.", 00402 "https://www.", 00403 "http://", 00404 "https://", 00405 "urn:uuid:" 00406 }; 00407 const size_t NUM_PREFIXES = sizeof(prefixes) / sizeof(char *); 00408 const char *suffixes[] = { 00409 ".com/", 00410 ".org/", 00411 ".edu/", 00412 ".net/", 00413 ".info/", 00414 ".biz/", 00415 ".gov/", 00416 ".com", 00417 ".org", 00418 ".edu", 00419 ".net", 00420 ".info", 00421 ".biz", 00422 ".gov" 00423 }; 00424 const size_t NUM_SUFFIXES = sizeof(suffixes) / sizeof(char *); 00425 00426 sizeofURIDataOut = 0; 00427 memset(uriDataOut, 0, sizeof(UriData_t)); 00428 00429 if ((uriDataIn == NULL) || (strlen(uriDataIn) == 0)) { 00430 return; 00431 } 00432 00433 /* 00434 * handle prefix 00435 */ 00436 for (unsigned i = 0; i < NUM_PREFIXES; i++) { 00437 size_t prefixLen = strlen(prefixes[i]); 00438 if (strncmp(uriDataIn, prefixes[i], prefixLen) == 0) { 00439 uriDataOut[sizeofURIDataOut++] = i; 00440 uriDataIn += prefixLen; 00441 break; 00442 } 00443 } 00444 00445 /* 00446 * handle suffixes 00447 */ 00448 while (*uriDataIn && (sizeofURIDataOut < URI_DATA_MAX)) { 00449 /* check for suffix match */ 00450 unsigned i; 00451 for (i = 0; i < NUM_SUFFIXES; i++) { 00452 size_t suffixLen = strlen(suffixes[i]); 00453 if (strncmp(uriDataIn, suffixes[i], suffixLen) == 0) { 00454 uriDataOut[sizeofURIDataOut++] = i; 00455 uriDataIn += suffixLen; 00456 break; /* from the for loop for checking against suffixes */ 00457 } 00458 } 00459 /* This is the default case where we've got an ordinary character which doesn't match a suffix. */ 00460 if (i == NUM_SUFFIXES) { 00461 uriDataOut[sizeofURIDataOut++] = *uriDataIn; 00462 ++uriDataIn; 00463 } 00464 } 00465 } 00466 }; 00467 00468 #endif // SERVICES_URIBEACONCONFIGSERVICE_H_
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