bool Host::receiveAndStoreData(Database db)
{
// Receive the sensor data.
string msg = receive();
// Check if the messsage was received successfully.
if(msg == "err")
{
lastError = "Could not receive message from client.";
return 0;
}
hostMessage sensorData = parse(msg);
string query = generateQuery(sensorData, db);
if(query == "err")
{
lastError = "Could not generate query.";
return 0;
}
if(query == "done")
{
// The data has been inserted by generateQuery()! (i know..)
return 1;
}
// Recent sensor data.
if(getSensorType(sensorData) == SENSOR_TYPE_SENSORDATA)
{
if(!db.setQuery(db.getHandle(), generateDeletionQueryForRecentData(sensorData))
|| !db.setQuery(db.getHandle(), generateQueryForRecentData(sensorData)))
{
lastError = "Could not store data in recent value table. Database error: " + db.getError();
return 0;
}
}
if(!db.setQuery(db.getHandle(), query))
{
lastError = "Could not store data. Database error: " + db.getError();
return 0;
}
else
{
return 1;
}
}
Set<WebPage*> SearchEngine::processSingle(const std::string inStr, const std::string line) {
Set<WebPage*> word;
//Check if valid input
if(whiteSpace(line)) {
// Get corresponding set if it exists
try {
word = queries.at(inStr);
}
// If not, generate it
catch(std::exception &e) {
word = generateQuery(inStr);
queries.insert(std::pair<std::string,Set<WebPage*> >(inStr,word));
}
}
return word;
}
void Simulator::createRandomQueries(int nqueries, bool static_queries) {
for(int i = 0; i < nqueries; i++)
addQuery( generateQuery(mHandler, mRegion, static_queries, mQueryAngleMin, mQueryAngleMax, mQueryDistance, mQueryMaxResults) );
}
