Improve log level selection from command line. Some extra shutdown logging.

src/cpp/ripple/Application.cpp

@@ -57,6 +57,7 @@ extern int RpcDBCount, TxnDBCount, LedgerDBCount, WalletDBCount, HashNodeDBCount
 
 void Application::stop()
 {
+	cLog(lsINFO) << "Received shutdown request";
 	mIOService.stop();
 	mJobQueue.shutdown();
 	mHashedObjectStore.bulkWrite();

src/cpp/ripple/JobQueue.cpp

@@ -181,6 +181,7 @@ void JobQueue::shutdown()
 	mJobCond.notify_all();
 	while (mThreadCount != 0)
 		mJobCond.wait(sl);
+	cLog(lsDEBUG) << "Job queue has shut down";
 }
 
 void JobQueue::setThreadCount(int c)

src/cpp/ripple/ValidationCollection.cpp

@@ -260,6 +260,7 @@ void ValidationCollection::flush()
 {
 		bool anyNew = false;
 
+		cLog(lsINFO) << "Flushing validations";
 		boost::mutex::scoped_lock sl(mValidationLock);
 		BOOST_FOREACH(u160_val_pair& it, mCurrentValidations)
 		{
@@ -276,6 +277,7 @@ void ValidationCollection::flush()
 			boost::this_thread::sleep(boost::posix_time::milliseconds(100));
 			sl.lock();
 		}
+		cLog(lsDEBUG) << "Validations flushed";
 }
 
 void ValidationCollection::condWrite()

src/cpp/ripple/main.cpp

@@ -90,7 +90,7 @@ int main(int argc, char* argv[])
 	//
 	// Set up option parsing.
 	//
-	po::options_description desc("Options");
+	po::options_description desc("General Options");
 	desc.add_options()
 		("help,h", "Display this message.")
 		("conf", po::value<std::string>(), "Specify the configuration file.")
@@ -99,12 +99,21 @@ int main(int argc, char* argv[])
 		("test,t", "Perform unit tests.")
 		("parameters", po::value< vector<string> >(), "Specify comma separated parameters.")
 		("quiet,q", "Reduce diagnotics.")
-		("verbose,v", "Increase log level.")
+		("verbose,v", "Verbose logging.")
 		("load", "Load the current ledger from the local DB.")
 		("start", "Start from a fresh Ledger.")
 		("net", "Get the initial ledger from the network.")
 	;
 
+	po::options_description hidden("Hidden Options");
+	hidden.add_options()
+		("trace,vvv",		"Trace level logging")
+		("debug,vv",		"Debug level logging")
+	;
+
+	po::options_description all("All Options");
+	all.add(desc).add(hidden);
+
 	// Interpret positional arguments as --parameters.
 	po::positional_options_description p;
 	p.add("parameters", -1);
@@ -129,7 +138,7 @@ int main(int argc, char* argv[])
 		// Parse options, if no error.
 		try {
 			po::store(po::command_line_parser(argc, argv)
-				.options(desc)											// Parse options.
+				.options(all)											// Parse options.
 				.positional(p)											// Remainder as --parameters.
 				.run(),
 				vm);
@@ -141,10 +150,15 @@ int main(int argc, char* argv[])
 		}
 	}
 
-	if (vm.count("verbose"))
+	if (vm.count("trace"))
 		Log::setMinSeverity(lsTRACE, true);
+	else if (vm.count("debug"))
+		Log::setMinSeverity(lsDEBUG, true);
+	else if (vm.count("verbose"))
+		Log::setMinSeverity(lsINFO, true);
 	else
 		Log::setMinSeverity(lsWARNING, true);
+
 	InstanceType::multiThread();
 
 	if (vm.count("test"))