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@ -199,8 +199,7 @@ static void SDP_ProcessServiceAttribute(const SDP_PDUHeader_t* const SDPHeader,
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if (MaxAttributeSize > sizeof(ResponsePacket.ResponseData))
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MaxAttributeSize = sizeof(ResponsePacket.ResponseData);
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/* Add the outer Data Element Sequence header for all of the retrieved Attributes */
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uint16_t* TotalResponseSize = SDP_AddDataElementHeader16(&CurrResponsePos, SDP_DATATYPE_Sequence);
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uint16_t TotalResponseSize = 0;
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/* Search through the global UUID list an item at a time */
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for (uint8_t CurrTableItem = 0; CurrTableItem < (sizeof(SDP_Services_Table) / sizeof(ServiceTable_t)); CurrTableItem++)
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@ -222,8 +221,8 @@ static void SDP_ProcessServiceAttribute(const SDP_PDUHeader_t* const SDPHeader,
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if (ServiceHandle == CurrServiceHandle)
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{
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/* Add the listed attributes for the found UUID to the response */
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*TotalResponseSize += SDP_AddListedAttributesToResponse(CurrAttributeTable, AttributeList, TotalAttributes,
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&CurrResponsePos);
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TotalResponseSize = SDP_AddListedAttributesToResponse(CurrAttributeTable, AttributeList, TotalAttributes,
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&CurrResponsePos);
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/* Requested service found, abort the search through the service table */
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break;
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@ -234,22 +233,17 @@ static void SDP_ProcessServiceAttribute(const SDP_PDUHeader_t* const SDPHeader,
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SDP_WriteData8(&CurrResponsePos, 0);
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/* Set the total response list size to the size of the outer container plus its header size and continuation state */
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ResponsePacket.AttributeListByteCount = SwapEndian_16(3 + *TotalResponseSize);
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ResponsePacket.AttributeListByteCount = SwapEndian_16(TotalResponseSize);
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/* Calculate the total parameter length that is to be sent, including the fixed return parameters, the created attribute
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value list and the SDP continuation state */
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uint16_t ParamLength = (sizeof(ResponsePacket.AttributeListByteCount) +
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(3 + *TotalResponseSize) +
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sizeof(uint8_t));
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uint16_t ParamLength = (sizeof(ResponsePacket.AttributeListByteCount) + TotalResponseSize + sizeof(uint8_t));
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/* Fill in the response packet's header */
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ResponsePacket.SDPHeader.PDU = SDP_PDU_SERVICEATTRIBUTERESPONSE;
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ResponsePacket.SDPHeader.TransactionID = SDPHeader->TransactionID;
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ResponsePacket.SDPHeader.ParameterLength = SwapEndian_16(ParamLength);
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/* Flip the endianness of the container's size */
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*TotalResponseSize = SwapEndian_16(*TotalResponseSize);
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BT_SDP_DEBUG(1, ">> Service Attribute Response");
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BT_SDP_DEBUG(2, "-- Param Len 0x%04X", ParamLength);
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@ -327,14 +321,14 @@ static void SDP_ProcessServiceSearchAttribute(const SDP_PDUHeader_t* const SDPHe
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(3 + *TotalResponseSize) +
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sizeof(uint8_t));
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/* Flip the endianness of the container's size */
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*TotalResponseSize = SwapEndian_16(*TotalResponseSize);
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/* Fill in the response packet's header */
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ResponsePacket.SDPHeader.PDU = SDP_PDU_SERVICESEARCHATTRIBUTERESPONSE;
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ResponsePacket.SDPHeader.TransactionID = SDPHeader->TransactionID;
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ResponsePacket.SDPHeader.ParameterLength = SwapEndian_16(ParamLength);
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/* Flip the endianness of the container's size */
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*TotalResponseSize = SwapEndian_16(*TotalResponseSize);
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BT_SDP_DEBUG(1, ">> Service Search Attribute Response");
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BT_SDP_DEBUG(2, "-- Param Len 0x%04X", ParamLength);
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@ -354,7 +348,7 @@ static void SDP_ProcessServiceSearchAttribute(const SDP_PDUHeader_t* const SDPHe
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static uint16_t SDP_AddListedAttributesToResponse(const ServiceAttributeTable_t* AttributeTable, uint16_t AttributeList[][2],
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const uint8_t TotalAttributes, void** const BufferPos)
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{
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uint16_t TotalResponseSize = 0;
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uint16_t TotalResponseSize;
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/* Add an inner Data Element Sequence header for the current services's found Attributes */
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uint16_t* AttributeListSize = SDP_AddDataElementHeader16(BufferPos, SDP_DATATYPE_Sequence);
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@ -374,19 +368,17 @@ static uint16_t SDP_AddListedAttributesToResponse(const ServiceAttributeTable_t*
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/* Check if the current Attribute's ID is within the current Attribute range */
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if ((CurrAttributeID >= AttributeIDRange[0]) && (CurrAttributeID <= AttributeIDRange[1]))
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{
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BT_SDP_DEBUG(2, " -- Add Attribute 0x%04X", CurrAttributeID);
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/* Increment the current UUID's returned Attribute container size by the number of added bytes */
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*AttributeListSize += SDP_AddAttributeToResponse(CurrAttributeID, AttributeValue, BufferPos);
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}
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AttributeTable++;
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}
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/* Increment the outer container size by the number of added bytes */
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TotalResponseSize += 3 + *AttributeListSize;
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}
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/* Record the total number of added bytes to the buffer */
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TotalResponseSize = 3 + *AttributeListSize;
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/* Fix endianness of the added attribute data element sequence */
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*AttributeListSize = SwapEndian_16(*AttributeListSize);
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@ -405,7 +397,9 @@ static uint16_t SDP_AddAttributeToResponse(const uint16_t AttributeID, const voi
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{
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/* Retrieve the size of the attribute value from its container header */
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uint8_t AttributeHeaderLength;
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uint32_t AttributeValueLength = SDP_GetLocalAttributeContainerSize(AttributeValue, &AttributeHeaderLength);
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uint16_t AttributeValueLength = SDP_GetLocalAttributeContainerSize(AttributeValue, &AttributeHeaderLength);
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BT_SDP_DEBUG(2, " -- Add Attribute (0x%04X) 0x%04X", (AttributeHeaderLength + AttributeValueLength), AttributeID);
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/* Add a Data Element header to the response for the Attribute ID */
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SDP_WriteData8(ResponseBuffer, (SDP_DATATYPE_UnsignedInt | SDP_DATASIZE_16Bit));
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@ -471,7 +465,7 @@ static ServiceAttributeTable_t* SDP_GetAttributeTable(const uint8_t* const UUID)
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/* Retrieve the size of the Class UUID list and skip past the header to the first Class UUID in the list */
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uint8_t ClassUUIDListHeaderSize;
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uint32_t ClassUUIDListSize = SDP_GetLocalAttributeContainerSize(ClassUUIDs, &ClassUUIDListHeaderSize);
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uint16_t ClassUUIDListSize = SDP_GetLocalAttributeContainerSize(ClassUUIDs, &ClassUUIDListHeaderSize);
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ClassUUIDs += ClassUUIDListHeaderSize;
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/* Check each class UUID in turn for a match */
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