Method HandleSendDataRequest

cpp/src/Driver.cpp:3206–3327

----------------------------------------------------------------------------- Process a request from the Z-Wave PC interface -----------------------------------------------------------------------------

// Process a request from the Z-Wave PC interface
//-----------------------------------------------------------------------------
void Driver::HandleSendDataRequest
(
		uint8* _data,
		uint8 _length,
		bool _replication
)
{
	uint8 nodeId = GetNodeNumber( m_currentMsg );
	Log::Write( LogLevel_Detail, nodeId, "  %s Request with callback ID 0x%.2x received (expected 0x%.2x)",  _replication ? "ZW_REPLICATION_SEND_DATA" : "ZW_SEND_DATA", _data[2], _data[2] < 10 ? _data[2] : m_expectedCallbackId );
	/* Callback ID's below 10 are reserved for NONCE messages */
	if ((_data[2] > 10 ) && ( _data[2] != m_expectedCallbackId )) {
		// Wrong callback ID
		m_callbacks++;
		Log::Write( LogLevel_Warning, nodeId, "WARNING: Unexpected Callback ID received" );
	} else {
		Node* node = GetNodeUnsafe( nodeId );
		if( node != NULL )
		{
			if( _data[3] != TRANSMIT_COMPLETE_OK )
			{
				node->m_sentFailed++;
			}
			else
			{
				node->m_lastRequestRTT = -node->m_sentTS.TimeRemaining();

				if( node->m_averageRequestRTT )
				{
					// if the average has been established, update by averaging the average and the last RTT
					node->m_averageRequestRTT = ( node->m_averageRequestRTT + node->m_lastRequestRTT ) >> 1;
				}
				else
				{
					// if this is the first observed RTT, set the average to this value
					node->m_averageRequestRTT = node->m_lastRequestRTT;
				}
				Log::Write(LogLevel_Info, nodeId, "Request RTT %d Average Request RTT %d", node->m_lastRequestRTT, node->m_averageRequestRTT );
			}
			/* if the frame has txStatus message, then extract it */
			// petergebruers, changed test (_length > 7) to >= 23 to avoid extracting non-existent data, highest is _data[22]
			if (_length >= 23) {
				node->m_txStatusReportSupported = true;
				// petergebruers:
				// because OpenZWave uses "ms" everywhere, and wTransmitTicks
				// has "10 ms" as unit... multiply by 10. This wil avoid
				// confusion when people look at stats or log files.
				node->m_txTime = (_data[5] + (_data[4] << 8)) * 10;
				node->m_hops = _data[6];
				// petergebruers: there are 5 rssi values because there are
				// 4 repeaters + 1 sending node
				strncpy(node->m_rssi_1, rssi_to_string(_data[7]), sizeof(node->m_rssi_1) - 1);
				strncpy(node->m_rssi_2, rssi_to_string(_data[8]), sizeof(node->m_rssi_2) - 1);
				strncpy(node->m_rssi_3, rssi_to_string(_data[9]), sizeof(node->m_rssi_3) - 1);
				strncpy(node->m_rssi_4, rssi_to_string(_data[10]), sizeof(node->m_rssi_4) - 1);
				strncpy(node->m_rssi_5, rssi_to_string(_data[11]), sizeof(node->m_rssi_5) - 1);
				node->m_ackChannel = _data[12];
				node->m_lastTxChannel = _data[13];
				node->m_routeScheme = (TXSTATUS_ROUTING_SCHEME)_data[14];