From a1191b5fb008ea8ce480ebff2679d7d4479de7be Mon Sep 17 00:00:00 2001
From: Jobin Johnson <jobinrjohnson@gmail.com>
Date: Mon, 28 Jan 2019 05:18:25 +0530
Subject: [PATCH] Include log levels for debug messages

Signed-off-by: Jobin Johnson <jobinrjohnson@gmail.com>
---
 QSim.cpp             |  5 ++---
 utils/include/util.h | 12 +++++++++++-
 utils/util.cpp       | 35 +++++++++++++++++++++++++++++++++--
 3 files changed, 46 insertions(+), 6 deletions(-)

diff --git a/QSim.cpp b/QSim.cpp
index 90529f4..f1fbe19 100644
--- a/QSim.cpp
+++ b/QSim.cpp
@@ -11,12 +11,11 @@
 
 using namespace std;
 
-extern int a;
-int a=30;
+int LOG_LEVEL = LOG_LEVEL_VERBOSE;
 
 int main(int argc, char **argv) {
 
-	printdebug("Hey There : ");
+	printdebug(LOG_LEVEL_INFO, "Simulator Started");
 	return 0;
 
 }
diff --git a/utils/include/util.h b/utils/include/util.h
index d141a6a..aca1cfd 100644
--- a/utils/include/util.h
+++ b/utils/include/util.h
@@ -8,6 +8,16 @@
 #ifndef UTILS_UTIL_H_
 #define UTILS_UTIL_H_
 
-extern void printdebug(const char*);
+// LOG LEVELS
+#define LOG_LEVEL_VERBOSE 	0
+#define LOG_LEVEL_INFO 		1
+#define LOG_LEVEL_WARN 		2
+#define LOG_LEVEL_ERROR 	3
+#define LOG_LEVEL_FATAL 	4
+
+extern int LOG_LEVEL;
+
+extern void printdebug(unsigned short int, const char*);
+extern char getLevel(unsigned short int);
 
 #endif /* UTILS_UTIL_H_ */
diff --git a/utils/util.cpp b/utils/util.cpp
index 9be29ca..75d1455 100644
--- a/utils/util.cpp
+++ b/utils/util.cpp
@@ -8,8 +8,39 @@
 #include <util.h>
 #include <iostream>
 
-void printdebug(const char* message){
-	std::cout << message;
+char getLevel(unsigned short int level) {
+	char type;
+	switch (level) {
+	case LOG_LEVEL_VERBOSE:
+		type = 'V';
+		break;
+	case LOG_LEVEL_INFO:
+		type = 'I';
+		break;
+	case LOG_LEVEL_WARN:
+		type = 'W';
+		break;
+	case LOG_LEVEL_ERROR:
+		type = 'E';
+		break;
+	case LOG_LEVEL_FATAL:
+		type = 'F';
+		break;
+	default:
+		type = 'V';
+	}
+
+	return type;
+}
+
+void printdebug(unsigned short int level, const char* message) {
+	char type = getLevel(level);
+
+	if (level < LOG_LEVEL) {
+		return;
+	}
+
+	std::cout << type << ": " << message << "\n";
 	// TODO add debugging options
 }