Method HandleMsg

cpp/src/command_classes/Security.cpp:170–286

----------------------------------------------------------------------------- Handle a message from the Z-Wave network -----------------------------------------------------------------------------

// Handle a message from the Z-Wave network
//-----------------------------------------------------------------------------
bool Security::HandleMsg
(
		uint8 const* _data,
		uint32 const _length,
		uint32 const _instance	// = 1
)
{
	switch( (SecurityCmd)_data[0] )
	{
		case SecurityCmd_SupportedReport:
		{
			/* this is a list of CommandClasses that should be Encrypted.
			 * and it might contain new command classes that were not present in the NodeInfoFrame
			 * so we have to run through, mark existing Command Classes as SetSecured (so SendMsg in the Driver
			 * class will route the unecrypted messages to our SendMsg) and for New Command
			 * Classes, create them, and of course, also do a SetSecured on them.
			 *
			 * This means we must do a SecurityCmd_SupportedGet request ASAP so we dont have
			 * Command Classes created after the Discovery Phase is completed!
			 */
			Log::Write(LogLevel_Info, GetNodeId(), "Received SecurityCmd_SupportedReport from node %d (instance %d)", GetNodeId(), _instance );
			m_secured = true;
			if( ValueBool* value = static_cast<ValueBool*>( GetValue( _instance, 0 ) ) )
			{
				value->OnValueRefreshed( m_secured );
				value->Release();
			}
			HandleSupportedReport(&_data[2], _length-3, _instance);
			break;
		}
		case SecurityCmd_SchemeReport:
		{
			Log::Write(LogLevel_Info, GetNodeId(), "Received SecurityCmd_SchemeReport from node %d: %d", GetNodeId(), _data[1]);
			uint8 schemes = _data[1];
			if (m_schemeagreed == true) {
				Log::Write(LogLevel_Warning, GetNodeId(), "   Already Received a SecurityCmd_SchemeReport from the node. Ignoring");
				break;
			}
			if( schemes == SecurityScheme_Zero )
			{
				/* We're good to go.  We now should send our NetworkKey to the device if this is the first
				 * time we have seen it
				 */
				Log::Write(LogLevel_Info, GetNodeId(), "    Security scheme agreed." );
				/* create the NetworkKey Packet. EncryptMessage will encrypt it for us (And request the NONCE) */
				Msg * msg = new Msg ("SecurityCmd_NetworkKeySet", GetNodeId(), REQUEST, FUNC_ID_ZW_SEND_DATA, true, true, FUNC_ID_APPLICATION_COMMAND_HANDLER, GetCommandClassId() );
				msg->Append( GetNodeId() );
				msg->Append( 18 );
				msg->Append( GetCommandClassId() );
				msg->Append( SecurityCmd_NetworkKeySet );
				for (int i = 0; i < 16; i++)
					msg->Append(GetDriver()->GetNetworkKey()[i]);
				msg->Append( GetDriver()->GetTransmitOptions() );
				msg->setEncrypted();
				GetDriver()->SendMsg( msg, Driver::MsgQueue_Command);
				m_schemeagreed = true;
			}
			else