From a40ab0982d54291d0f07f5097a06be438e88118a Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Wed, 21 Jun 2017 01:00:09 +0100
Subject: Add wrapper for creating a logger based on a template argument/type

---
 icetray/icetray/logger.cpp              | 9 +++++++++
 icetray/icetray/logger.h                | 5 +++++
 icetray/unittests/testIceTrayLogger.cpp | 7 +++++++
 3 files changed, 21 insertions(+)

diff --git a/icetray/icetray/logger.cpp b/icetray/icetray/logger.cpp
index 6afe4d8..5e17af5 100644
--- a/icetray/icetray/logger.cpp
+++ b/icetray/icetray/logger.cpp
@@ -93,6 +93,15 @@ namespace IceTray {
 			return logs.end();
 		}
 
+		LoggerPtr
+		LogManager::getLogger(const std::type_info & type)
+		{
+			std::unique_ptr<char, void(*)(void*)> res {
+				abi::__cxa_demangle(type.name(), NULL, NULL, NULL), std::free
+			};
+			return getLogger(res.get());
+		}
+
 		LoggerPtr
 		LogManager::getLogger(const std::string & domain)
 		{
diff --git a/icetray/icetray/logger.h b/icetray/icetray/logger.h
index 339f7eb..e78a126 100644
--- a/icetray/icetray/logger.h
+++ b/icetray/icetray/logger.h
@@ -71,6 +71,11 @@ namespace IceTray {
 
 		class DLL_PUBLIC LogManager {
 			public:
+				template<typename T>
+				LoggerPtr getLogger() {
+					return getLogger(typeid(T));
+				}
+				LoggerPtr getLogger(const std::type_info &);
 				LoggerPtr getLogger(const std::string &);
 				LogLevelWriters getLogsForDomain(const std::string &) const;
 				void addWriter(LogWriterPrx writer);
diff --git a/icetray/unittests/testIceTrayLogger.cpp b/icetray/unittests/testIceTrayLogger.cpp
index e7eb0fc..f051a58 100644
--- a/icetray/unittests/testIceTrayLogger.cpp
+++ b/icetray/unittests/testIceTrayLogger.cpp
@@ -281,5 +281,12 @@ BOOST_AUTO_TEST_CASE( getLogger )
 	ic->destroy();
 }
 
+BOOST_AUTO_TEST_CASE( getLoggerForType )
+{
+	auto logger = LOGMANAGER()->getLogger<IceTray::Service>();
+	BOOST_REQUIRE(logger);
+	BOOST_REQUIRE_EQUAL("IceTray::Service", logger->getDomain());
+}
+
 BOOST_AUTO_TEST_SUITE_END();
 
-- 
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