optimized handling scan result and remove typeinfo dependency

src/ebusd/bushandler.cpp

@@ -92,14 +92,20 @@ result_t ScanRequest::prepare(unsigned char ownMasterAddress, unsigned char dstA
 
 void ScanRequest::notify(result_t result)
 {
+	unsigned char dstAddress = m_master[1];
+	ostringstream scanResult;
 	if (result == RESULT_OK) {
-		m_scanResult << hex << setw(2) << setfill('0') << static_cast<unsigned>(m_master[1]) << UI_FIELD_SEPARATOR;
-		result = m_message->decode(pt_slaveData, m_slave, m_scanResult); // decode data
+		scanResult << hex << setw(2) << setfill('0') << static_cast<unsigned>(dstAddress) << UI_FIELD_SEPARATOR;
+		result = m_message->decode(pt_slaveData, m_slave, scanResult); // decode data
 	}
 	if (result != RESULT_OK)
-		L.log(bus, error, "scan %2.2x failed: %s", m_master[1], getResultCode(result));
-	else
-		L.log(bus, event, "scan: %s", m_scanResult.str().c_str());
+		L.log(bus, error, "scan %2.2x failed: %s", dstAddress, getResultCode(result));
+	else {
+		string str = scanResult.str();
+		L.log(bus, event, "scan: %s", str.c_str());
+		if (m_scanResults != NULL)
+			(*m_scanResults)[dstAddress] = str;
+	}
 }
 
 
@@ -574,10 +580,6 @@ result_t BusHandler::setState(BusState state, result_t result, bool firstRepetit
 				m_seenAddresses[dstAddress] = true;
 			m_request->notify(result);
 			if (m_request->m_deleteOnFinish == true) {
-				if (result == RESULT_OK && typeid(*m_request) == typeid(ScanRequest)) {
-					string res = ((ScanRequest*)m_request)->m_scanResult.str();
-					m_scanResults[dstAddress] = res;
-				}
 				delete m_request;
 			}
 			m_request = NULL;
@@ -662,7 +664,7 @@ result_t BusHandler::startScan(bool full)
 				continue;
 		}
 
-		ScanRequest* request = new ScanRequest(m_response, scanMessage);
+		ScanRequest* request = new ScanRequest(m_response, scanMessage, &m_scanResults);
 		result_t result = request->prepare(m_ownMasterAddress, slave);
 		if (result != RESULT_OK) {
 			delete request;

src/ebusd/bushandler.h

@@ -31,7 +31,6 @@
 #include <vector>
 #include <map>
 #include <pthread.h>
-#include <typeinfo>
 
 using namespace std;
 
@@ -161,9 +160,12 @@ public:
 	 * @brief Constructor.
 	 * @param slave the slave data @a SymbolString received.
 	 * @param message the associated @a Message.
+	 * @param scanResults the map in which to store the formatted scan result by slave address.
 	 */
-	ScanRequest(SymbolString& slave, Message* message)
-		: BusRequest(m_master, slave, true), m_message(message) {}
+	ScanRequest(SymbolString& slave, Message* message,
+		map<unsigned char, string>* scanResults)
+		: BusRequest(m_master, slave, true), m_message(message),
+		  m_scanResults(scanResults) {}
 
 	/**
 	 * @brief Destructor.
@@ -189,8 +191,8 @@ private:
 	/** the associated @a Message. */
 	Message* m_message;
 
-	/** the formatted scan result. */
-	ostringstream m_scanResult;
+	/** the map in which to store the formatted scan result by slave address. */
+	map<unsigned char, string>* m_scanResults;
 
 };