bool OTA_CBOR_Encode_GetStreamRequestMessage()

in source/ota_cbor.c [236:364]
103 lines of code
20 McCabe index (conditional complexity)

bool OTA_CBOR_Encode_GetStreamRequestMessage( uint8_t * pMessageBuffer,
                                              size_t messageBufferSize,
                                              size_t * pEncodedMessageSize,
                                              const char * pClientToken,
                                              int32_t fileId,
                                              int32_t blockSize,
                                              int32_t blockOffset,
                                              uint8_t * pBlockBitmap,
                                              size_t blockBitmapSize,
                                              int32_t numOfBlocksRequested )
{
    CborError cborResult = CborNoError;
    CborEncoder cborEncoder, cborMapEncoder;

    if( ( pMessageBuffer == NULL ) ||
        ( pEncodedMessageSize == NULL ) ||
        ( pClientToken == NULL ) ||
        ( pBlockBitmap == NULL ) )
    {
        cborResult = CborUnknownError;
    }

    /* Initialize the CBOR encoder. */
    if( CborNoError == cborResult )
    {
        cbor_encoder_init( &cborEncoder,
                           pMessageBuffer,
                           messageBufferSize,
                           0 );
        cborResult = cbor_encoder_create_map( &cborEncoder,
                                              &cborMapEncoder,
                                              OTA_CBOR_GETSTREAMREQUEST_ITEM_COUNT );
    }

    /* Encode the client token key and value. */
    if( CborNoError == cborResult )
    {
        cborResult = cbor_encode_text_stringz( &cborMapEncoder,
                                               OTA_CBOR_CLIENTTOKEN_KEY );
    }

    if( CborNoError == cborResult )
    {
        cborResult = cbor_encode_text_stringz( &cborMapEncoder,
                                               pClientToken );
    }

    /* Encode the file ID key and value. */
    if( CborNoError == cborResult )
    {
        cborResult = cbor_encode_text_stringz( &cborMapEncoder,
                                               OTA_CBOR_FILEID_KEY );
    }

    if( CborNoError == cborResult )
    {
        cborResult = cbor_encode_int( &cborMapEncoder,
                                      fileId );
    }

    /* Encode the block size key and value. */
    if( CborNoError == cborResult )
    {
        cborResult = cbor_encode_text_stringz( &cborMapEncoder,
                                               OTA_CBOR_BLOCKSIZE_KEY );
    }

    if( CborNoError == cborResult )
    {
        cborResult = cbor_encode_int( &cborMapEncoder,
                                      blockSize );
    }

    /* Encode the block offset key and value. */
    if( CborNoError == cborResult )
    {
        cborResult = cbor_encode_text_stringz( &cborMapEncoder,
                                               OTA_CBOR_BLOCKOFFSET_KEY );
    }

    if( CborNoError == cborResult )
    {
        cborResult = cbor_encode_int( &cborMapEncoder,
                                      blockOffset );
    }

    /* Encode the block bitmap key and value. */
    if( CborNoError == cborResult )
    {
        cborResult = cbor_encode_text_stringz( &cborMapEncoder,
                                               OTA_CBOR_BLOCKBITMAP_KEY );
    }

    if( CborNoError == cborResult )
    {
        cborResult = cbor_encode_byte_string( &cborMapEncoder,
                                              pBlockBitmap,
                                              blockBitmapSize );
    }

    /* Encode the number of blocks requested key and value. */
    if( CborNoError == cborResult )
    {
        cborResult = cbor_encode_text_stringz( &cborMapEncoder,
                                               OTA_CBOR_NUMBEROFBLOCKS_KEY );
    }

    if( CborNoError == cborResult )
    {
        cborResult = cbor_encode_int( &cborMapEncoder,
                                      numOfBlocksRequested );
    }

    /* Close the encoder. */
    if( CborNoError == cborResult )
    {
        cborResult = cbor_encoder_close_container_checked( &cborEncoder,
                                                           &cborMapEncoder );
    }

    /* Get the encoded size. */
    if( CborNoError == cborResult )
    {
        *pEncodedMessageSize = cbor_encoder_get_buffer_size( &cborEncoder,
                                                             pMessageBuffer );
    }

    return CborNoError == cborResult;
}