+#ifndef SINGLE_THREAD
+#include "caqueueingthread.h"
+#endif
+#include "cafragmentation.h"
+#include "oic_malloc.h"
+#include "oic_string.h"
+#include "caremotehandler.h"
+
+/**
+ * Logging tag for module name.
+ */
+#define CALEADAPTER_TAG "LAD"
+
+
+/**
+ * Stores the information of the Data to be sent from the queues.
+ *
+ * This structure will be pushed to the sender/receiver queue for
+ * processing.
+ */
+typedef struct
+{
+ /// Remote endpoint contains the information of remote device.
+ CAEndpoint_t *remoteEndpoint;
+
+ /// Data to be transmitted over LE transport.
+ uint8_t *data;
+
+ /// Length of the data being transmitted.
+ uint32_t dataLen;
+} CALEData_t;
+
+/**
+ * Stores information of all the senders.
+ *
+ * This structure will be used to track and defragment all incoming
+ * data packet.
+ */
+typedef struct
+{
+ uint32_t recvDataLen;
+ uint32_t totalDataLen;
+ uint8_t *defragData;
+ CAEndpoint_t *remoteEndpoint;
+ } CABLESenderInfo_t;
+
+/**
+ * Callback to provide the status of the network change to CA layer.
+ */
+static CANetworkChangeCallback g_networkCallback = NULL;
+
+/**
+ * bleAddress of the local adapter. Value will be initialized to zero,
+ * and will be updated later.
+ */
+static char g_localBLEAddress[18] = { 0 };
+
+/**
+ * Variable to differentiate btw GattServer and GattClient.
+ */
+static bool g_isServer = false;
+
+/**
+ * Mutex to synchronize the task to be executed on the GattServer
+ * function calls.
+ */
+static ca_mutex g_bleIsServerMutex = NULL;
+
+/**
+ * Mutex to synchronize the callback to be called for the network
+ * changes.
+ */
+static ca_mutex g_bleNetworkCbMutex = NULL;
+
+/**
+ * Mutex to synchronize the updates of the local LE address of the
+ * adapter.
+ */
+static ca_mutex g_bleLocalAddressMutex = NULL;
+
+/**
+ * Reference to thread pool.
+ */
+static ca_thread_pool_t g_bleAdapterThreadPool = NULL;
+
+/**
+ * Mutex to synchronize the task to be pushed to thread pool.
+ */
+static ca_mutex g_bleAdapterThreadPoolMutex = NULL;
+
+/**
+ * Mutex to synchronize the queing of the data from SenderQueue.
+ */
+static ca_mutex g_bleClientSendDataMutex = NULL;
+
+/**
+ * Mutex to synchronize the queing of the data from ReceiverQueue.
+ */
+static ca_mutex g_bleReceiveDataMutex = NULL;
+
+
+/**
+ * Mutex to synchronize the queing of the data from SenderQueue.
+ */
+static ca_mutex g_bleServerSendDataMutex = NULL;
+
+/**
+ * Mutex to synchronize the callback to be called for the
+ * adapterReqResponse.
+ */
+static ca_mutex g_bleAdapterReqRespCbMutex = NULL;
+
+/**
+ * Callback to be called when network packet received from either
+ * GattServer or GattClient.
+ */
+static CANetworkPacketReceivedCallback g_networkPacketReceivedCallback = NULL;
+
+/**
+ * Callback to notify error from the BLE adapter.
+ */
+static CAErrorHandleCallback g_errorHandler = NULL;
+
+/**
+ * Storing Adapter state information.
+ */
+static CAAdapterState_t g_bleAdapterState = CA_ADAPTER_DISABLED;
+
+/**
+ * BLE Server Status.
+ *
+ * This enumeration provides information of LE Adapter Server status.
+ */
+typedef enum
+{
+ CA_SERVER_NOTSTARTED = 0,
+ CA_LISTENING_SERVER,
+ CA_DISCOVERY_SERVER
+} CALeServerStatus;
+
+/**
+ * Structure to maintain the status of the server.
+ */
+static CALeServerStatus gLeServerStatus = CA_SERVER_NOTSTARTED;
+
+/**
+ * Register network change notification callback.
+ *
+ * @param[in] netCallback CANetworkChangeCallback callback which will
+ * be set for the change in network.
+ *
+ * @return 0 on success otherwise a positive error value.
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ *
+ */
+static CAResult_t CALERegisterNetworkNotifications(CANetworkChangeCallback netCallback);
+
+/**
+ * Set the thread pool handle which is required for spawning new
+ * thread.
+ *
+ * @param[in] handle Thread pool handle which is given by above layer
+ * for using thread creation task.
+ *
+ */
+static void CASetLEAdapterThreadPoolHandle(ca_thread_pool_t handle);
+
+/**
+ * Call the callback to the upper layer when the device state gets
+ * changed.
+ *
+ * @param[in] adapter_state New state of the adapter to be notified to
+ * the upper layer.
+ */
+static void CALEDeviceStateChangedCb(CAAdapterState_t adapter_state);
+
+/**
+ * Used to initialize all required mutex variable for LE Adapter
+ * implementation.
+ *
+ * @return 0 on success otherwise a positive error value.
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ *
+ */
+static CAResult_t CAInitLEAdapterMutex();
+
+/**
+ * Terminate all required mutex variables for LE adapter
+ * implementation.
+ */
+static void CATerminateLEAdapterMutex();
+
+/**
+ * Prepares and notify error through error callback.
+ */
+static void CALEErrorHandler(const char *remoteAddress,
+ const uint8_t *data,
+ uint32_t dataLen,
+ CAResult_t result);
+
+#ifndef SINGLE_THREAD
+/**
+ * Stop condition of recvhandler.
+ */
+static bool g_dataReceiverHandlerState = false;
+
+/**
+ * Sender information.
+ */
+static u_arraylist_t *g_senderInfo = NULL;
+
+/**
+ * Queue to process the outgoing packets from GATTClient.
+ */
+static CAQueueingThread_t *g_bleClientSendQueueHandle = NULL;
+
+/**
+ * Queue to process the incoming packets to GATT Client.
+ */
+static CAQueueingThread_t *g_bleReceiverQueue = NULL;
+
+/**
+ * Queue to process the outgoing packets from GATTServer.
+ */
+static CAQueueingThread_t *g_bleServerSendQueueHandle = NULL;
+
+/**
+ * Starting LE connectivity adapters.
+ *
+ * As its peer to peer it does not require to start any servers.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ */
+static CAResult_t CAStartLE();
+
+/**
+ * Start listening server for receiving multicast search requests.
+ *
+ * Transport Specific Behavior:
+ * LE Starts GATT Server with prefixed UUID and Characteristics
+ * per OIC Specification.
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ */
+static CAResult_t CAStartLEListeningServer();
+
+/**
+ * Sarting discovery of servers for receiving multicast
+ * advertisements.
+ *
+ * Transport Specific Behavior:
+ * LE Starts GATT Server with prefixed UUID and Characteristics
+ * per OIC Specification.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code
+ */
+static CAResult_t CAStartLEDiscoveryServer();
+
+/**
+ * Send data to the endpoint using the adapter connectivity.
+ *
+ * @param[in] endpoint Remote Endpoint information (like MAC address,
+ * reference URI and connectivity type) to which
+ * the unicast data has to be sent.
+ * @param[in] data Data which required to be sent.
+ * @param[in] dataLen Size of data to be sent.
+ *
+ * @note dataLen must be > 0.
+ *
+ * @return The number of bytes sent on the network, or -1 on error.
+ */
+static int32_t CASendLEUnicastData(const CAEndpoint_t *endpoint,
+ const void *data,
+ uint32_t dataLen);
+
+/**
+ * Send multicast data to the endpoint using the LE connectivity.
+ *
+ * @param[in] endpoint Remote Endpoint information to which the
+ * multicast data has to be sent.
+ * @param[in] data Data which required to be sent.
+ * @param[in] dataLen Size of data to be sent.
+ *
+ * @note dataLen must be > 0.
+ *
+ * @return The number of bytes sent on the network, or -1 on error.
+ */
+static int32_t CASendLEMulticastData(const CAEndpoint_t *endpoint,
+ const void *data,
+ uint32_t dataLen);
+
+/**
+ * Get LE Connectivity network information.
+ *
+ * @param[out] info Local connectivity information structures.
+ * @param[out] size Number of local connectivity structures.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ */
+static CAResult_t CAGetLEInterfaceInformation(CAEndpoint_t **info,
+ uint32_t *size);
+
+/**
+ * Read Synchronous API callback.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ */
+static CAResult_t CAReadLEData();
+
+/**
+ * Stopping the adapters and close socket connections.
+ *
+ * LE Stops all GATT servers and GATT Clients.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ */
+static CAResult_t CAStopLE();
+
+/**
+ * Terminate the LE connectivity adapter.
+ *
+ * Configuration information will be deleted from further use.
+ */
+static void CATerminateLE();
+
+/**
+ * Set the NetworkPacket received callback to CA layer from adapter
+ * layer.
+ *
+ * @param[in] callback Callback handle sent from the upper layer.
+ */
+static void CASetLEReqRespAdapterCallback(CANetworkPacketReceivedCallback callback);
+
+/**
+ * Push the data from CA layer to the Sender processor queue.
+ *
+ * @param[in] remoteEndpoint Remote endpoint information of the
+ * server.
+ * @param[in] data Data to be transmitted from LE.
+ * @param[in] dataLen Length of the Data being transmitted.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ */
+static CAResult_t CALEAdapterServerSendData(const CAEndpoint_t *remoteEndpoint,
+ const uint8_t *data,
+ uint32_t dataLen);
+
+/**
+ * Push the data from CA layer to the Sender processor queue.
+ *
+ * @param[in] remoteEndpoint Remote endpoint information of the
+ * server.
+ * @param[in] data Data to be transmitted from LE.
+ * @param[in] dataLen Length of the Data being transmitted.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ */
+static CAResult_t CALEAdapterClientSendData(const CAEndpoint_t *remoteEndpoint,
+ const uint8_t *data,
+ uint32_t dataLen);
+
+/**
+ * This function will receive the data from the GattServer and add the
+ * data to the Server receiver queue.
+ *
+ * @param[in] remoteAddress Remote address of the device from where
+ * data is received.
+ * @param[in] data Actual data recevied from the remote
+ * device.
+ * @param[in] dataLength Length of the data received from the
+ * remote device.
+ * @param[in] sentLength Length of the data sent from the remote
+ * device.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ *
+ */
+static CAResult_t CALEAdapterServerReceivedData(const char *remoteAddress,
+ const uint8_t *data,
+ uint32_t dataLength,
+ uint32_t *sentLength);
+
+/**
+ * This function will receive the data from the GattClient and add the
+ * data into the Client receiver queue.
+ *
+ * @param[in] remoteAddress Remote address of the device from where
+ * data is received.
+ * @param[in] data Actual data recevied from the remote
+ * device.
+ * @param[in] dataLength Length of the data received from the
+ * remote device.
+ * @param[in] sentLength Length of the data sent from the remote
+ * device.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ */
+static CAResult_t CALEAdapterClientReceivedData(const char *remoteAddress,
+ const uint8_t *data,
+ uint32_t dataLength,
+ uint32_t *sentLength);
+
+/**
+ * This function will be associated with the sender queue for
+ * GattServer.
+ *
+ * This function will fragment the data to the MTU of the transport
+ * and send the data in fragments to the adapters. The function will
+ * be blocked until all data is sent out from the adapter.
+ *
+ * @param[in] threadData Data pushed to the queue which contains the
+ * info about RemoteEndpoint and Data.
+ */
+static void CALEServerSendDataThread(void *threadData);
+
+/**
+ * This function will be associated with the sender queue for
+ * GattClient.
+ *
+ * This function will fragment the data to the MTU of the transport
+ * and send the data in fragments to the adapters. The function will
+ * be blocked until all data is sent out from the adapter.
+ *
+ * @param[in] threadData Data pushed to the queue which contains the
+ * info about RemoteEndpoint and Data.
+ */
+static void CALEClientSendDataThread(void *threadData);
+
+/**
+ * This function will be associated with the receiver queue.
+ *
+ * This function will defragment the received data from each sender
+ * respectively and will send it up to CA layer. Respective sender's
+ * header will provide the length of the data sent.
+ *
+ * @param[in] threadData Data pushed to the queue which contains the
+ * info about RemoteEndpoint and Data.
+ */
+static void CALEDataReceiverHandler(void *threadData);
+
+/**
+ * This function will stop all queues created for GattServer and
+ * GattClient. All four queues will be be stopped with this function
+ * invocations.
+ */
+static void CAStopLEQueues();
+
+/**
+ * This function will terminate all queues created for GattServer and
+ * GattClient. All four queues will be be terminated with this
+ * function invocations.
+ */
+static void CATerminateLEQueues();
+
+/**
+ * This function will initalize the Receiver and Sender queues for
+ * GattServer. This function will in turn call the functions
+ * CAInitBleServerReceiverQueue() and CAInitBleServerSenderQueue() to
+ * initialize the queues.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ */
+static CAResult_t CAInitLEServerQueues();
+
+/**
+ * This function will initalize the Receiver and Sender queues for
+ * GattClient. This function will inturn call the functions
+ * CAInitBleClientReceiverQueue() and CAInitBleClientSenderQueue() to
+ * initialize the queues.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ *
+ */
+static CAResult_t CAInitLEClientQueues();
+
+/**
+ * This function will initalize the Receiver queue for
+ * GattServer. This will initialize the queue to process the function
+ * CABLEServerSendDataThread() when ever the task is added to this
+ * queue.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ */
+static CAResult_t CAInitLEServerSenderQueue();
+
+/**
+ * This function will initalize the Receiver queue for
+ * GattClient. This will initialize the queue to process the function
+ * CABLEClientSendDataThread() when ever the task is added to this
+ * queue.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ */
+static CAResult_t CAInitLEClientSenderQueue();
+
+/**
+ * This function will initialize the Receiver queue for
+ * LEAdapter. This will initialize the queue to process the function
+ * CABLEDataReceiverHandler() when ever the task is added to this
+ * queue.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code
+ * @retval ::CA_STATUS_OK Successful
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments
+ * @retval ::CA_STATUS_FAILED Operation failed
+ *
+ */
+static CAResult_t CAInitLEReceiverQueue();
+
+/**
+ * This function will create the Data required to send it in the
+ * queue.
+ *
+ * @param[in] remoteEndpoint Remote endpoint information of the
+ * server.
+ * @param[in] data Data to be transmitted from LE.
+ * @param[in] dataLength Length of the Data being transmitted.
+ *
+ * @return ::CA_STATUS_OK or Appropriate error code.
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ */
+static CALEData_t *CACreateLEData(const CAEndpoint_t *remoteEndpoint,
+ const uint8_t *data,
+ uint32_t dataLength);
+
+/**
+ * Used to free the BLE information stored in the sender/receiver
+ * queues.
+ *
+ * @param[in] bleData Information for a particular data segment.
+ */
+static void CAFreeLEData(CALEData_t *bleData);
+
+/**
+ * Free data.
+ */
+static void CALEDataDestroyer(void *data, uint32_t size);
+
+static CAResult_t CAInitLEServerQueues()
+{
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "IN");
+
+ ca_mutex_lock(g_bleAdapterThreadPoolMutex);
+
+ CAResult_t result = CAInitLEServerSenderQueue();
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "CAInitBleServerSenderQueue failed");
+ ca_mutex_unlock(g_bleAdapterThreadPoolMutex);
+ return CA_STATUS_FAILED;
+ }
+
+ result = CAInitLEReceiverQueue();
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "CAInitBleServerReceiverQueue failed");
+ ca_mutex_unlock(g_bleAdapterThreadPoolMutex);
+ return CA_STATUS_FAILED;
+ }
+
+ g_dataReceiverHandlerState = true;
+
+ ca_mutex_unlock(g_bleAdapterThreadPoolMutex);
+
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "OUT");
+ return CA_STATUS_OK;
+}
+
+static CAResult_t CAInitLEClientQueues()
+{
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "IN");
+
+ ca_mutex_lock(g_bleAdapterThreadPoolMutex);
+
+ CAResult_t result = CAInitLEClientSenderQueue();
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "CAInitBleClientSenderQueue failed");
+ ca_mutex_unlock(g_bleAdapterThreadPoolMutex);
+ return CA_STATUS_FAILED;
+ }
+
+ result = CAInitLEReceiverQueue();
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "CAInitBleClientReceiverQueue failed");
+ ca_mutex_unlock(g_bleAdapterThreadPoolMutex);
+ return CA_STATUS_FAILED;
+ }
+
+ g_dataReceiverHandlerState = true;
+
+ ca_mutex_unlock(g_bleAdapterThreadPoolMutex);
+
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "OUT");
+ return CA_STATUS_OK;
+}
+
+static CAResult_t CAInitLEReceiverQueue()
+{
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "IN");
+ // Check if the message queue is already initialized
+ if (g_bleReceiverQueue)
+ {
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Already queue is initialized!");
+ return CA_STATUS_OK;
+ }
+
+ // Create recv message queue
+ g_bleReceiverQueue = (CAQueueingThread_t *) OICMalloc(sizeof(CAQueueingThread_t));
+ if (!g_bleReceiverQueue)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Memory allocation failed!");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+
+ g_senderInfo = u_arraylist_create();
+ if (!g_senderInfo)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "ClientInfo memory allcation failed!");
+ OICFree(g_bleReceiverQueue);
+ g_bleReceiverQueue = NULL;
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+
+ if (CA_STATUS_OK != CAQueueingThreadInitialize(g_bleReceiverQueue, g_bleAdapterThreadPool,
+ CALEDataReceiverHandler, CALEDataDestroyer))
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Failed to Initialize send queue thread");
+ OICFree(g_bleReceiverQueue);
+ g_bleReceiverQueue = NULL;
+ u_arraylist_free(&g_senderInfo);
+ return CA_STATUS_FAILED;
+ }
+
+ if (CA_STATUS_OK != CAQueueingThreadStart(g_bleReceiverQueue))
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "ca_thread_pool_add_task failed ");
+ OICFree(g_bleReceiverQueue);
+ g_bleReceiverQueue = NULL;
+ u_arraylist_free(&g_senderInfo);
+ return CA_STATUS_FAILED;
+ }
+
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "OUT");
+ return CA_STATUS_OK;
+}
+
+static CAResult_t CAInitLEServerSenderQueue()
+{
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "IN");
+ // Check if the message queue is already initialized
+ if (g_bleServerSendQueueHandle)
+ {
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Queue is already initialized!");
+ return CA_STATUS_OK;
+ }
+
+ // Create send message queue
+ g_bleServerSendQueueHandle = (CAQueueingThread_t *) OICMalloc(sizeof(CAQueueingThread_t));
+ if (!g_bleServerSendQueueHandle)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Memory allocation failed!");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+
+ if (CA_STATUS_OK != CAQueueingThreadInitialize(g_bleServerSendQueueHandle,
+ g_bleAdapterThreadPool,
+ CALEServerSendDataThread, CALEDataDestroyer))
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Failed to Initialize send queue thread");
+ OICFree(g_bleServerSendQueueHandle);
+ g_bleServerSendQueueHandle = NULL;
+ return CA_STATUS_FAILED;
+ }
+
+ if (CA_STATUS_OK != CAQueueingThreadStart(g_bleServerSendQueueHandle))
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "ca_thread_pool_add_task failed ");
+ OICFree(g_bleServerSendQueueHandle);
+ g_bleServerSendQueueHandle = NULL;
+ return CA_STATUS_FAILED;
+ }
+
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "OUT");
+ return CA_STATUS_OK;
+}
+
+static void CALEClearSenderInfo()
+{
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "IN");
+
+ uint32_t listIndex = 0;
+ uint32_t listLength = u_arraylist_length(g_senderInfo);
+ for (listIndex = 0; listIndex < listLength; listIndex++)
+ {
+ CABLESenderInfo_t *info = (CABLESenderInfo_t *) u_arraylist_get(g_senderInfo, listIndex);
+ if(!info)
+ {
+ continue;
+ }
+
+ OICFree(info->defragData);
+ CAFreeEndpoint(info->remoteEndpoint);
+ OICFree(info);
+ }
+ u_arraylist_free(&g_senderInfo);
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "OUT");
+}
+
+static CAResult_t CAInitLEClientSenderQueue()
+{
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "IN");
+
+ if (g_bleClientSendQueueHandle)
+ {
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Already queue is initialized!");
+ return CA_STATUS_OK;
+ }
+
+ // Create send message queue
+ g_bleClientSendQueueHandle = (CAQueueingThread_t *) OICMalloc(sizeof(CAQueueingThread_t));
+ if (!g_bleClientSendQueueHandle)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Memory allocation failed!");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+
+ if (CA_STATUS_OK != CAQueueingThreadInitialize(g_bleClientSendQueueHandle,
+ g_bleAdapterThreadPool,
+ CALEClientSendDataThread, CALEDataDestroyer))
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Failed to Initialize send queue thread");
+ OICFree(g_bleClientSendQueueHandle);
+ g_bleClientSendQueueHandle = NULL;
+ return CA_STATUS_FAILED;
+ }
+
+ if (CA_STATUS_OK != CAQueueingThreadStart(g_bleClientSendQueueHandle))
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "ca_thread_pool_add_task failed ");
+ OICFree(g_bleClientSendQueueHandle);
+ g_bleClientSendQueueHandle = NULL;
+ return CA_STATUS_FAILED;
+ }
+
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "OUT");
+ return CA_STATUS_OK;
+}
+
+static void CAStopLEQueues()
+{
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "IN");
+
+ ca_mutex_lock(g_bleClientSendDataMutex);
+ if (NULL != g_bleClientSendQueueHandle)
+ {
+ CAQueueingThreadStop(g_bleClientSendQueueHandle);
+ }
+ ca_mutex_unlock(g_bleClientSendDataMutex);
+
+ ca_mutex_lock(g_bleServerSendDataMutex);
+ if (NULL != g_bleServerSendQueueHandle)
+ {
+ CAQueueingThreadStop(g_bleServerSendQueueHandle);
+ }
+ ca_mutex_unlock(g_bleServerSendDataMutex);
+
+ ca_mutex_lock(g_bleReceiveDataMutex);
+ if (NULL != g_bleReceiverQueue)
+ {
+ CAQueueingThreadStop(g_bleReceiverQueue);
+ }
+ ca_mutex_unlock(g_bleReceiveDataMutex);
+
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "OUT");
+}
+
+static void CATerminateLEQueues()
+{
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "IN");
+
+ CAQueueingThreadDestroy(g_bleClientSendQueueHandle);
+ OICFree(g_bleClientSendQueueHandle);
+ g_bleClientSendQueueHandle = NULL;
+
+ CAQueueingThreadDestroy(g_bleServerSendQueueHandle);
+ OICFree(g_bleServerSendQueueHandle);
+ g_bleServerSendQueueHandle = NULL;
+
+ CAQueueingThreadDestroy(g_bleReceiverQueue);
+ OICFree(g_bleReceiverQueue);
+ g_bleReceiverQueue = NULL;
+
+ CALEClearSenderInfo();
+
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "OUT");
+}
+
+static CAResult_t CALEGetSenderInfo(const char *leAddress,
+ CABLESenderInfo_t **senderInfo,
+ uint32_t *senderIndex)
+{
+ VERIFY_NON_NULL_RET(leAddress,
+ CALEADAPTER_TAG,
+ "NULL BLE address argument",
+ CA_STATUS_INVALID_PARAM);
+ VERIFY_NON_NULL_RET(senderIndex,
+ CALEADAPTER_TAG,
+ "NULL index argument",
+ CA_STATUS_INVALID_PARAM);
+
+ const uint32_t listLength = u_arraylist_length(g_senderInfo);
+ const uint32_t addrLength = strlen(leAddress);
+ for (uint32_t index = 0; index < listLength; index++)
+ {
+ CABLESenderInfo_t *info = (CABLESenderInfo_t *) u_arraylist_get(g_senderInfo, index);
+ if(!info || !(info->remoteEndpoint))
+ {
+ continue;
+ }
+
+ if(!strncmp(info->remoteEndpoint->addr, leAddress, addrLength))
+ {
+ *senderIndex = index;
+ if(senderInfo)
+ {
+ *senderInfo = info;
+ }
+ return CA_STATUS_OK;
+ }
+ }
+
+ return CA_STATUS_FAILED;
+}
+
+static void CALEDataReceiverHandler(void *threadData)
+{
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "IN");
+
+ ca_mutex_lock(g_bleReceiveDataMutex);
+
+ if (g_dataReceiverHandlerState)
+ {
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "checking for DE Fragmentation");
+
+ CALEData_t *bleData = (CALEData_t *) threadData;
+ if (!bleData)
+ {
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Invalid bleData!");
+ ca_mutex_unlock(g_bleReceiveDataMutex);
+ return;
+ }
+
+ if(!(bleData->remoteEndpoint))
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Client RemoteEndPoint NULL!!");
+ ca_mutex_unlock(g_bleReceiveDataMutex);
+ return;
+ }
+
+ CABLESenderInfo_t *senderInfo = NULL;
+ uint32_t senderIndex = 0;
+
+ if(CA_STATUS_OK != CALEGetSenderInfo(bleData->remoteEndpoint->addr,
+ &senderInfo, &senderIndex))
+ {
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "This is a new client [%s]",
+ bleData->remoteEndpoint->addr);
+ }
+
+ if(!senderInfo)
+ {
+ CABLESenderInfo_t *newSender = OICMalloc(sizeof(CABLESenderInfo_t));
+ if(!newSender)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Memory allocation failed for new sender");
+ ca_mutex_unlock(g_bleReceiveDataMutex);
+ return;
+ }
+ newSender->recvDataLen = 0;
+ newSender->totalDataLen = 0;
+ newSender->defragData = NULL;
+ newSender->remoteEndpoint = NULL;
+
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Parsing the header");
+ newSender->totalDataLen = CAParseHeader(bleData->data,
+ bleData->dataLen);
+ if(!(newSender->totalDataLen))
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Total Data Length is parsed as 0!!!");
+ OICFree(newSender);
+ ca_mutex_unlock(g_bleReceiveDataMutex);
+ return;
+ }
+
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Total data to be accumulated [%u] bytes",
+ newSender->totalDataLen);
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "data received in the first packet [%u] bytes",
+ bleData->dataLen);
+
+ newSender->defragData = OICCalloc(newSender->totalDataLen + 1,
+ sizeof(*newSender->defragData));
+
+ if (NULL == newSender->defragData)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "defragData is NULL!");
+ OICFree(newSender);
+ ca_mutex_unlock(g_bleReceiveDataMutex);
+ return;
+ }
+
+ const char *remoteAddress = bleData->remoteEndpoint->addr;
+ newSender->remoteEndpoint = CACreateEndpointObject(CA_DEFAULT_FLAGS,
+ CA_ADAPTER_GATT_BTLE, remoteAddress, 0);
+ if (NULL == newSender->remoteEndpoint)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "remoteEndpoint is NULL!");
+ OICFree(newSender->defragData);
+ OICFree(newSender);
+ ca_mutex_unlock(g_bleReceiveDataMutex);
+ return;
+ }
+ memcpy(newSender->defragData, bleData->data + CA_HEADER_LENGTH,
+ bleData->dataLen - CA_HEADER_LENGTH);
+ newSender->recvDataLen += bleData->dataLen - CA_HEADER_LENGTH;
+ u_arraylist_add(g_senderInfo,(void *)newSender);
+
+ //Getting newSender index position in g_senderInfo array list
+ if(CA_STATUS_OK !=
+ CALEGetSenderInfo(newSender->remoteEndpoint->addr, NULL, &senderIndex))
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Existing sender index not found!!");
+ OICFree(newSender->defragData);
+ CAFreeEndpoint(newSender->remoteEndpoint);
+ OICFree(newSender);
+ ca_mutex_unlock(g_bleReceiveDataMutex);
+ return;
+ }
+ senderInfo = newSender;
+ }
+ else
+ {
+ if(senderInfo->recvDataLen + bleData->dataLen > senderInfo->totalDataLen)
+ {
+ OIC_LOG_V(ERROR, CALEADAPTER_TAG,
+ "Data Length exceeding error!! Receiving [%d] total length [%d]",
+ senderInfo->recvDataLen + bleData->dataLen, senderInfo->totalDataLen);
+ u_arraylist_remove(g_senderInfo, senderIndex);
+ OICFree(senderInfo->defragData);
+ OICFree(senderInfo);
+ ca_mutex_unlock(g_bleReceiveDataMutex);
+ return;
+ }
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Copying the data of length [%d]", bleData->dataLen);
+ memcpy(senderInfo->defragData + senderInfo->recvDataLen, bleData->data,
+ bleData->dataLen);
+ senderInfo->recvDataLen += bleData->dataLen ;
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "totalDatalength [%d] recveived Datalen [%d]",
+ senderInfo->totalDataLen, senderInfo->recvDataLen);
+ }
+
+ if (senderInfo->totalDataLen == senderInfo->recvDataLen)
+ {
+ ca_mutex_lock(g_bleAdapterReqRespCbMutex);
+ if (NULL == g_networkPacketReceivedCallback)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "gReqRespCallback is NULL!");
+
+ u_arraylist_remove(g_senderInfo, senderIndex);
+ OICFree(senderInfo->defragData);
+ OICFree(senderInfo);
+ ca_mutex_unlock(g_bleAdapterReqRespCbMutex);
+ ca_mutex_unlock(g_bleReceiveDataMutex);
+ return;
+ }
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Sending data up !");
+ g_networkPacketReceivedCallback(senderInfo->remoteEndpoint,
+ senderInfo->defragData, senderInfo->recvDataLen);
+ ca_mutex_unlock(g_bleAdapterReqRespCbMutex);
+ u_arraylist_remove(g_senderInfo, senderIndex);
+ senderInfo->remoteEndpoint = NULL;
+ senderInfo->defragData = NULL;
+ OICFree(senderInfo);
+ }
+ }
+ ca_mutex_unlock(g_bleReceiveDataMutex);
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "OUT");
+}
+
+static void CALEServerSendDataThread(void *threadData)
+{
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "IN");
+
+ CALEData_t * const bleData = (CALEData_t *) threadData;
+ if (!bleData)
+ {
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Invalid bledata!");
+ return;
+ }
+
+ uint8_t * const header = OICCalloc(CA_HEADER_LENGTH, 1);
+ VERIFY_NON_NULL_VOID(header, CALEADAPTER_TAG, "Malloc failed");
+
+ const uint32_t totalLength = bleData->dataLen + CA_HEADER_LENGTH;
+
+ OIC_LOG_V(DEBUG,
+ CALEADAPTER_TAG,
+ "Server total Data length with header is [%u]",
+ totalLength);
+
+ uint8_t * const dataSegment = OICCalloc(totalLength, 1);
+
+ if (NULL == dataSegment)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Malloc failed");
+ OICFree(header);
+ return;
+ }
+
+ CAResult_t result = CAGenerateHeader(header,
+ CA_HEADER_LENGTH,
+ bleData->dataLen);
+ if (CA_STATUS_OK != result )
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Generate header failed");
+ OICFree(header);
+ OICFree(dataSegment);
+ return;
+ }
+
+ memcpy(dataSegment, header, CA_HEADER_LENGTH);
+ OICFree(header);
+
+ uint32_t length = 0;
+ if (CA_SUPPORTED_BLE_MTU_SIZE > totalLength)
+ {
+ length = totalLength;
+ memcpy(dataSegment + CA_HEADER_LENGTH, bleData->data, bleData->dataLen);
+ }
+ else
+ {
+ length = CA_SUPPORTED_BLE_MTU_SIZE;
+ memcpy(dataSegment + CA_HEADER_LENGTH, bleData->data,
+ CA_SUPPORTED_BLE_MTU_SIZE - CA_HEADER_LENGTH);
+ }
+
+ uint32_t iter = totalLength / CA_SUPPORTED_BLE_MTU_SIZE;
+ uint32_t index = 0;
+
+ // Send the first segment with the header.
+ if (NULL != bleData->remoteEndpoint) // Sending Unicast Data
+ {
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Server Sending Unicast Data");
+
+ result = CAUpdateCharacteristicsToGattClient(
+ bleData->remoteEndpoint->addr, dataSegment, length);
+
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR,
+ CALEADAPTER_TAG,
+ "Update characteristics failed, result [%d]",
+ result);
+
+ g_errorHandler(bleData->remoteEndpoint,
+ bleData->data,
+ bleData->dataLen,
+ result);
+ OICFree(dataSegment);
+ return;
+ }
+
+ OIC_LOG_V(DEBUG,
+ CALEADAPTER_TAG,
+ "Server Sent data length [%u]",
+ length);
+ for (index = 1; index < iter; index++)
+ {
+ // Send the remaining header.
+ OIC_LOG_V(DEBUG,
+ CALEADAPTER_TAG,
+ "Sending the chunk number [%u]",
+ index);
+
+ result =
+ CAUpdateCharacteristicsToGattClient(
+ bleData->remoteEndpoint->addr,
+ bleData->data + ((index * CA_SUPPORTED_BLE_MTU_SIZE) - CA_HEADER_LENGTH),
+ CA_SUPPORTED_BLE_MTU_SIZE);
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR, CALEADAPTER_TAG,
+ "Update characteristics failed, result [%d]", result);
+ g_errorHandler(bleData->remoteEndpoint, bleData->data, bleData->dataLen, result);
+ OICFree(dataSegment);
+ return;
+ }
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Server Sent data length [%d]",
+ CA_SUPPORTED_BLE_MTU_SIZE);
+ }
+
+ const uint32_t remainingLen =
+ totalLength % CA_SUPPORTED_BLE_MTU_SIZE;
+
+ if (remainingLen && (totalLength > CA_SUPPORTED_BLE_MTU_SIZE))
+ {
+ // send the last segment of the data (Ex: 22 bytes of 622
+ // bytes of data when MTU is 200)
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Sending the last chunk");
+ result = CAUpdateCharacteristicsToGattClient(
+ bleData->remoteEndpoint->addr,
+ bleData->data + (index * CA_SUPPORTED_BLE_MTU_SIZE) - CA_HEADER_LENGTH,
+ remainingLen);
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR,
+ CALEADAPTER_TAG,
+ "Update characteristics failed, result [%d]",
+ result);
+ g_errorHandler(bleData->remoteEndpoint,
+ bleData->data,
+ bleData->dataLen,
+ result);
+ OICFree(dataSegment);
+ return;
+ }
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Server Sent data length [%d]", remainingLen);
+ }
+ }
+ else
+ {
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Server Sending Multicast data");
+ result = CAUpdateCharacteristicsToAllGattClients(dataSegment, length);
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR, CALEADAPTER_TAG, "Update characteristics failed, result [%d]",
+ result);
+ CALEErrorHandler(NULL, bleData->data, bleData->dataLen, result);
+ OICFree(dataSegment);
+ return;
+ }
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Server Sent data length [%d]", length);
+ for (index = 1; index < iter; index++)
+ {
+ // Send the remaining header.
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Sending the chunk number [%d]", index);
+ result = CAUpdateCharacteristicsToAllGattClients(
+ bleData->data + ((index * CA_SUPPORTED_BLE_MTU_SIZE) - CA_HEADER_LENGTH),
+ CA_SUPPORTED_BLE_MTU_SIZE);
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR, CALEADAPTER_TAG, "Update characteristics failed, result [%d]",
+ result);
+ CALEErrorHandler(NULL, bleData->data, bleData->dataLen, result);
+ OICFree(dataSegment);
+ return;
+ }
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Server Sent data length [%u]", CA_SUPPORTED_BLE_MTU_SIZE);
+ }
+
+ const uint32_t remainingLen = totalLength % CA_SUPPORTED_BLE_MTU_SIZE;
+ if (remainingLen && (totalLength > CA_SUPPORTED_BLE_MTU_SIZE))
+ {
+ // send the last segment of the data (Ex: 22 bytes of 622 bytes of data when MTU is 200)
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Sending the last chunk");
+ result = CAUpdateCharacteristicsToAllGattClients(
+ bleData->data + (index * CA_SUPPORTED_BLE_MTU_SIZE) - CA_HEADER_LENGTH,
+ remainingLen);
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR, CALEADAPTER_TAG, "Update characteristics failed, result [%d]",
+ result);
+ CALEErrorHandler(NULL, bleData->data, bleData->dataLen, result);
+ OICFree(dataSegment);
+ return;
+ }
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Server Sent data length [%d]", remainingLen);
+ }
+ }
+ OICFree(dataSegment);
+
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "OUT");
+}
+
+static void CALEClientSendDataThread(void *threadData)
+{
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "IN");
+
+ CALEData_t *bleData = (CALEData_t *) threadData;
+ if (!bleData)
+ {
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Invalid bledata!");
+ return;
+ }
+
+ uint8_t * const header = OICCalloc(CA_HEADER_LENGTH, 1);
+ VERIFY_NON_NULL_VOID(header, CALEADAPTER_TAG, "Malloc failed");
+
+ const uint32_t totalLength = bleData->dataLen + CA_HEADER_LENGTH;
+ uint8_t *dataSegment = OICCalloc(totalLength, 1);
+ if (NULL == dataSegment)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Malloc failed");
+ OICFree(header);
+ return;
+ }
+
+ CAResult_t result = CAGenerateHeader(header,
+ CA_HEADER_LENGTH,
+ bleData->dataLen);
+ if (CA_STATUS_OK != result )
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Generate header failed");
+ OICFree(header);
+ OICFree(dataSegment);
+ return ;
+ }
+ memcpy(dataSegment, header, CA_HEADER_LENGTH);
+ OICFree(header);
+
+ uint32_t length = 0;
+ if (CA_SUPPORTED_BLE_MTU_SIZE > totalLength)
+ {
+ length = totalLength;
+ memcpy(dataSegment + CA_HEADER_LENGTH,
+ bleData->data,
+ bleData->dataLen);
+ }
+ else
+ {
+ length = CA_SUPPORTED_BLE_MTU_SIZE;
+ memcpy(dataSegment + CA_HEADER_LENGTH,
+ bleData->data,
+ CA_SUPPORTED_BLE_MTU_SIZE - CA_HEADER_LENGTH);
+ }
+
+ const uint32_t iter = totalLength / CA_SUPPORTED_BLE_MTU_SIZE;
+ uint32_t index = 0;
+ if (NULL != bleData->remoteEndpoint) //Sending Unicast Data
+ {
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Sending Unicast Data");
+ // Send the first segment with the header.
+ result =
+ CAUpdateCharacteristicsToGattServer(
+ bleData->remoteEndpoint->addr,
+ dataSegment,
+ length,
+ LE_UNICAST,
+ 0);
+
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR,
+ CALEADAPTER_TAG,
+ "Update characteristics failed, result [%d]",
+ result);
+ g_errorHandler(bleData->remoteEndpoint,
+ bleData->data,
+ bleData->dataLen,
+ result);
+ OICFree(dataSegment);
+ return;
+ }
+
+ OIC_LOG_V(DEBUG,
+ CALEADAPTER_TAG,
+ "Client Sent Data length is [%u]",
+ length);
+
+ for (index = 1; index < iter; index++)
+ {
+ // Send the remaining header.
+ result = CAUpdateCharacteristicsToGattServer(
+ bleData->remoteEndpoint->addr,
+ bleData->data + (index * CA_SUPPORTED_BLE_MTU_SIZE) - CA_HEADER_LENGTH,
+ CA_SUPPORTED_BLE_MTU_SIZE,
+ LE_UNICAST, 0);
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR,
+ CALEADAPTER_TAG,
+ "Update characteristics failed, result [%d]",
+ result);
+ g_errorHandler(bleData->remoteEndpoint, bleData->data, bleData->dataLen, result);
+ OICFree(dataSegment);
+ return;
+ }
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Client Sent Data length is [%d]",
+ CA_SUPPORTED_BLE_MTU_SIZE);
+ }
+
+ const uint32_t remainingLen = totalLength % CA_SUPPORTED_BLE_MTU_SIZE;
+ if (remainingLen && (totalLength > CA_SUPPORTED_BLE_MTU_SIZE))
+ {
+ // send the last segment of the data (Ex: 22 bytes of 622
+ // bytes of data when MTU is 200)
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Sending the last chunk");
+ result = CAUpdateCharacteristicsToGattServer(
+ bleData->remoteEndpoint->addr,
+ bleData->data + (index * CA_SUPPORTED_BLE_MTU_SIZE) - CA_HEADER_LENGTH,
+ remainingLen,
+ LE_UNICAST, 0);
+
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR, CALEADAPTER_TAG, "Update characteristics failed, result [%d]",
+ result);
+ g_errorHandler(bleData->remoteEndpoint, bleData->data, bleData->dataLen, result);
+ OICFree(dataSegment);
+ return;
+ }
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Client Sent Data length is [%d]", remainingLen);
+ }
+ }
+ else
+ {
+ //Sending Mulitcast Data
+ // Send the first segment with the header.
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Sending Multicast Data");
+ result = CAUpdateCharacteristicsToAllGattServers(dataSegment, length);
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR, CALEADAPTER_TAG,
+ "Update characteristics (all) failed, result [%d]", result);
+ CALEErrorHandler(NULL, bleData->data, bleData->dataLen, result);
+ OICFree(dataSegment);
+ return ;
+ }
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Client Sent Data length is [%d]", length);
+ // Send the remaining header.
+ for (index = 1; index < iter; index++)
+ {
+ result = CAUpdateCharacteristicsToAllGattServers(
+ bleData->data + (index * CA_SUPPORTED_BLE_MTU_SIZE) - CA_HEADER_LENGTH,
+ CA_SUPPORTED_BLE_MTU_SIZE);
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR, CALEADAPTER_TAG, "Update characteristics (all) failed, result [%d]",
+ result);
+ CALEErrorHandler(NULL, bleData->data, bleData->dataLen, result);
+ OICFree(dataSegment);
+ return;
+ }
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Client Sent Data length is [%d]",
+ CA_SUPPORTED_BLE_MTU_SIZE);
+ }
+
+ uint32_t remainingLen = totalLength % CA_SUPPORTED_BLE_MTU_SIZE;
+ if (remainingLen && (totalLength > CA_SUPPORTED_BLE_MTU_SIZE))
+ {
+ // send the last segment of the data (Ex: 22 bytes of 622
+ // bytes of data when MTU is 200)
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "Sending the last chunk");
+ result =
+ CAUpdateCharacteristicsToAllGattServers(
+ bleData->data + (index * CA_SUPPORTED_BLE_MTU_SIZE) - CA_HEADER_LENGTH,
+ remainingLen);
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR, CALEADAPTER_TAG,
+ "Update characteristics (all) failed, result [%d]", result);
+ CALEErrorHandler(NULL, bleData->data, bleData->dataLen, result);
+ OICFree(dataSegment);
+ return;
+ }
+ OIC_LOG_V(DEBUG, CALEADAPTER_TAG, "Client Sent Data length is [%d]", remainingLen);
+ }
+
+ }
+
+ OICFree(dataSegment);
+
+ OIC_LOG(DEBUG, CALEADAPTER_TAG, "OUT - CABLEClientSendDataThread");
+}
+
+static CALEData_t *CACreateLEData(const CAEndpoint_t *remoteEndpoint,
+ const uint8_t *data,
+ uint32_t dataLength)
+{
+ CALEData_t * const bleData = OICMalloc(sizeof(CALEData_t));
+
+ if (!bleData)
+ {
+ OIC_LOG(ERROR, CALEADAPTER_TAG, "Memory allocation failed!");
+ return NULL;
+ }