Logger added (#54)

Author: dhirajfx3

src/CMakeLists.txt

@@ -9,7 +9,7 @@ set(
 	utils/thing
 	utils/port_map
 	utils/ip_map
-    utils/influxdb_utils
+    utils/log
 )
 
 set(SRC_PATHS "")

src/main.cpp

@@ -24,6 +24,7 @@
 #include "udp_interface.h"
 #include "sensor_data_interface.h"
 #include "db_interface.h"
+#include "log.h"
 
 using namespace std;
 using namespace boost::uuids;
@@ -43,6 +44,12 @@ void demo_user() {
   sensor_data_interface::SensorDI::Query("select * from device_data");
   sensor_data_interface::SensorDI::RecordDeviceData("d3:3e:af", "001d2s", "somedata");
   sensor_data_interface::SensorDI::GetDeviceData("d3:3e:af");
+
+  // Logger
+  lattice_log::Log L("dummy.txt");
+  L.INFO("something");
+  L.ERROR("something terrible");
+  L.SUCCESS("Threat eliminated");
 }
 
 void StartUdpServer() {

src/utils/log/inc/log.h

@@ -0,0 +1,42 @@
+#ifndef LATTICE_LOG
+#define LATTICE_LOG
+#include <fstream>
+#include <string>
+
+#define RED "\e[1;31m"
+#define BLUE "\e[1;34m"
+#define GREEN "\e[1;32m"
+#define YELLOW "\e[1;33m"
+#define END_COLOR "\e[0m"
+
+using namespace std;
+
+namespace lattice_log {
+
+#define INFO(data) logger(BLUE, __FILE__, std::to_string(__LINE__), data)
+#define ERROR(data) logger(RED, __FILE__, std::to_string(__LINE__), data)
+#define SUCCESS(data) logger(GREEN, __FILE__, std::to_string(__LINE__), data)
+class Log {
+  ofstream log_file_;
+  bool timestamp_, file_name_, line_number_, std_out_;
+  string prefix_;
+
+public:
+  Log(const string &log_file = "log_file.out"): 
+    timestamp_(1),
+    file_name_(1),
+    line_number_(1),
+    std_out_(1),
+    log_file_(log_file.c_str(), ios::app | ios::binary) {}
+
+  void logger(
+    const string &color,
+    const string &file_name,
+    const string &line_number,
+    const string &information);
+
+  ~Log() { log_file_.close(); }
+};
+} // namespace lattice_log
+
+#endif

src/utils/log/src/log.cpp

@@ -0,0 +1,34 @@
+#include <iostream>
+
+#include <boost/date_time.hpp>
+
+#include "log.h"
+
+
+using namespace std;
+
+void lattice_log::Log::logger(
+  const string &color,
+  const string &file_name,
+  const string &line_number,
+  const string &data) {
+ 
+  string info = color;
+
+  if (timestamp_)
+    info += to_iso_extended_string(boost::posix_time::second_clock::universal_time());
+
+  if (file_name_)
+    info += "[ " + file_name + " ]";
+
+  if (line_number_)
+    info += "[ " + line_number + " ] ";
+
+  info += data + END_COLOR + "\n";
+  log_file_ << info;
+  log_file_.flush();
+
+  if(std_out_)
+    cout << info;
+}
+