ready to launch

.gitignore

@@ -15,3 +15,6 @@ CMakeCache.txt
 *.cmake
 *.a
 
+
+# for task3
+counter.txt

task_3/counter.txt

@@ -1 +1 @@
-233
+28

task_3/counter_manager.h

@@ -1,7 +1,5 @@
 #include <string>
-#include <unistd.h>
 #include <fcntl.h>
-#include <sys/stat.h>
 
 
 class CounterManager {

task_3/log_writer.cpp

@@ -20,18 +20,22 @@ int LogWriter::write_log(const std::string& log_line) {
 
 
 std::string LogWriter::get_current_time() {
-    time_t current_time = std::time(nullptr);
-    return ctime(&current_time);
+    time_t rawtime;
+    struct tm * timeinfo;
+    time ( &rawtime );
+    timeinfo = localtime ( &rawtime );
+    std::string res = asctime (timeinfo);
+    res.pop_back();
+    return res;
 }
 
 
 int LogWriter::log_start_line(){
-    std::string current_time = "00:00:00";
     std::string log_line = (
         "start programm with pid " +
         std::to_string(getpid()) +
         " at " +
-        current_time
+        get_current_time()
     );
     write_log(log_line);
     return 0;
@@ -39,10 +43,9 @@ int LogWriter::log_start_line(){
 
 
 int LogWriter::log_counter(long long int counter){
-    std::string current_time = "00:00:00";
     std::string log_line = (
         "counter at " +
-        current_time +
+        get_current_time() +
         " in process with pid " +
         std::to_string(getpid()) +
         " is " +
@@ -54,11 +57,10 @@ int LogWriter::log_counter(long long int counter){
 
 
 int LogWriter::log_copy_start(std::string copy_name) {
-    std::string current_time = "00:00:00";
     std::string log_line = (
         copy_name + 
         " is started at " +
-        current_time +
+        get_current_time() +
         " with pid " +
         std::to_string(getpid())
     );
@@ -67,11 +69,10 @@ int LogWriter::log_copy_start(std::string copy_name) {
 }
 
 int LogWriter::log_copy_finish(std::string copy_name) {
-    std::string current_time = "00:00:00";
     std::string log_line = (
         copy_name + 
         " is finished at " +
-        current_time
+        get_current_time()
     );
     write_log(log_line);
 }

task_3/log_writer.h

@@ -1,9 +1,7 @@
 #include <string>
 #include <unistd.h>
 #include <fcntl.h>
-#include <sys/stat.h>
-
-#include <ctime>
+#include <time.h>
 
 
 class LogWriter {

task_3/main.cpp

@@ -1,8 +1,9 @@
 #include "process_launcher.h"
 #include "log_writer.h"
 #include "counter_manager.h"
-#include <chrono> // for ms in timestamp
-#include <iostream> // for debugging
+
+#include <sys/time.h>
+
 
 struct two_pid {
     int pid_1, pid_2;
@@ -32,8 +33,11 @@ struct two_pid {
 
 
 uint64_t get_timestamp_ms() {
-    using namespace std::chrono;
-    return duration_cast<milliseconds>(system_clock::now().time_since_epoch()).count();
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+
+    return (((long long)tv.tv_sec)*1000)+(tv.tv_usec/1000);
+
 }
 
 int main(int argc, char* argv[]) {
@@ -48,7 +52,7 @@ int main(int argc, char* argv[]) {
         if (argv[1][0] == '2') {
             LogWriter::log_copy_start("Copy 2");
             CounterManager::set_counter(CounterManager::get_counter() * 2);
-            // sleep 2s
+            sleep(2);
             CounterManager::set_counter(CounterManager::get_counter() / 2);
             LogWriter::log_copy_finish("Copy 2");
             return 0;