Add option to flush logs after every entry.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@5711 a436a847-0d15-0410-975c-d299462d15a1

4 files changed, 18 insertions, 0 deletions

diff --git a/ingen/Log.hpp b/ingen/Log.hpp
index 94512309..6c88e9a4 100644
--- a/ingen/Log.hpp
+++ b/ingen/Log.hpp
@@ -42,9 +42,12 @@ public:
 	inline void info(const fmt& fmt)  { info(fmt.str()); }
 	inline void warn(const fmt& fmt)  { warn(fmt.str()); }
 
+	void set_flush(bool f) { _flush = f; }
+
 private:
 	LV2_Log_Log* _log;
 	URIs&        _uris;
+	bool         _flush;
 };
 
 }  // namespace Ingen
diff --git a/src/Configuration.cpp b/src/Configuration.cpp
index 70b76b20..0f3e3d53 100644
--- a/src/Configuration.cpp
+++ b/src/Configuration.cpp
@@ -64,6 +64,7 @@ Configuration::Configuration(Forge& forge)
 	add("execute",        "execute",        'x', "File of commands to execute", SESSION, forge.String, Atom());
 	add("path",           "path",           'L', "Target path for loaded graph", SESSION, forge.String, Atom());
 	add("queueSize",      "queue-size",     'q', "Event queue size", GLOBAL, forge.Int, forge.make(4096));
+	add("flushLog",       "flush-log",      'f', "Flush logs after every entry", SESSION, forge.Bool, forge.make(false));
 	add("humanNames",     "human-names",     0,  "Show human names in GUI", GUI, forge.Bool, forge.make(true));
 	add("portLabels",     "port-labels",     0,  "Show port labels in GUI", GUI, forge.Bool, forge.make(true));
 	add("graphDirectory", "graph-directory", 0,  "Default directory for opening graphs", GUI, forge.String, Atom());
diff --git a/src/Log.cpp b/src/Log.cpp
index 5ce85db3..ccfc2e7c 100644
--- a/src/Log.cpp
+++ b/src/Log.cpp
@@ -33,6 +33,7 @@ static const char* const ANSI_YELLOW  = "\033[0;33m";
 Log::Log(LV2_Log_Log* log, URIs& uris)
 	: _log(log)
 	, _uris(uris)
+	, _flush(false)
 {}
 
 void
@@ -42,6 +43,10 @@ Log::error(const std::string& msg)
 		_log->printf(_log->handle, _uris.log_Error, "%s", msg.c_str());
 	} else {
 		std::cerr << ANSI_RED << msg << ANSI_RESET;
+		if (_flush) {
+			std::cerr << "flush!\n";
+			std::flush(std::cerr);
+		}
 	}
 }
 
@@ -52,6 +57,10 @@ Log::warn(const std::string& msg)
 		_log->printf(_log->handle, _uris.log_Warning, "%s", msg.c_str());
 	} else {
 		std::cerr << ANSI_YELLOW << msg << ANSI_RESET;
+		if (_flush) {
+			std::cerr << "flush!\n";
+			std::flush(std::cerr);
+		}
 	}
 }
 
@@ -62,6 +71,10 @@ Log::info(const std::string& msg)
 		_log->printf(_log->handle, _uris.log_Note, "%s", msg.c_str());
 	} else {
 		std::cout << msg;
+		if (_flush) {
+			std::cerr << "flush!\n";
+			std::flush(std::cout);
+		}
 	}
 }
 
diff --git a/src/World.cpp b/src/World.cpp
index d3859563..9d4410eb 100644
--- a/src/World.cpp
+++ b/src/World.cpp
@@ -120,6 +120,7 @@ public:
 
 		// Parse command line options, overriding configuration file values
 		conf.parse(argc, argv);
+		log.set_flush(conf.option("flush-log").get<int32_t>());
 
 		lv2_features = new LV2Features();
 		lv2_features->add_feature(uri_map->urid_map_feature());