Use std::jthread and C++17.

[stg.git] / projects / stargazer / traffcounter_impl.cpp

diff --git a/projects/stargazer/traffcounter_impl.cpp b/projects/stargazer/traffcounter_impl.cpp
index 0897d6bfaa103b2c6610aa3429d1074eba0f7a13..e61be9665b626fefbb5703543a24b749da388324 100644 (file)
--- a/projects/stargazer/traffcounter_impl.cpp
+++ b/projects/stargazer/traffcounter_impl.cpp
@@ -66,7 +66,6 @@ TraffCounterImpl::TraffCounterImpl(UsersImpl * u, const std::string & fn)
       monitoring(false),
       touchTimeP(stgTime - MONITOR_TIME_DELAY_SEC),
       users(u),
-      running(false),
       stopped(true),
       addUserNotifier(*this),
       delUserNotifier(*this)
@@ -78,18 +77,15 @@ dirName[DIR_NUM] = "NULL";
 
 users->AddNotifierUserAdd(&addUserNotifier);
 users->AddNotifierUserDel(&delUserNotifier);
-
-pthread_mutex_init(&mutex, NULL);
 }
 //-----------------------------------------------------------------------------
 TraffCounterImpl::~TraffCounterImpl()
 {
-pthread_mutex_destroy(&mutex);
 }
 //-----------------------------------------------------------------------------
 int TraffCounterImpl::Start()
 {
-STG_LOCKER lock(&mutex);
+std::lock_guard<std::mutex> lock(m_mutex);
 
 if (!stopped)
     return 0;
@@ -110,13 +106,7 @@ while (users->SearchNext(h, &u) == 0)
     SetUserNotifiers(u);
 users->CloseSearch(h);
 
-running = true;
-if (pthread_create(&thread, NULL, Run, this))
-    {
-    printfd(__FILE__, "TraffCounterImpl::Start() - Cannot start thread\n");
-    WriteServLog("TraffCounter: Error: Cannot start thread.");
-    return -1;
-    }
+m_thread = std::jthread([this](auto token){ Run(token); });
 return 0;
 }
 //-----------------------------------------------------------------------------
@@ -125,7 +115,7 @@ int TraffCounterImpl::Stop()
 if (stopped)
     return 0;
 
-running = false;
+m_thread.request_stop();
 
 int h = users->OpenSearch();
 assert(h && "USERS::OpenSearch is always correct");
@@ -143,55 +133,53 @@ for (int i = 0; i < 25 && !stopped; i++)
     }
 
 if (!stopped)
+{
+    m_thread.detach();
     return -1;
+}
 
 printfd(__FILE__, "TraffCounter::Stop()\n");
 
 return 0;
 }
 //-----------------------------------------------------------------------------
-void * TraffCounterImpl::Run(void * data)
+void TraffCounterImpl::Run(std::stop_token token)
 {
 sigset_t signalSet;
 sigfillset(&signalSet);
 pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
 
-TraffCounterImpl * tc = static_cast<TraffCounterImpl *>(data);
-tc->stopped = false;
+stopped = false;
 int c = 0;
 
 time_t touchTime = stgTime - MONITOR_TIME_DELAY_SEC;
 struct timespec ts = {0, 500000000};
-while (tc->running)
+while (!token.stop_requested())
     {
     nanosleep(&ts, 0);
-    if (!tc->running)
+    if (token.stop_requested())
         {
-        tc->FlushAndRemove();
+        FlushAndRemove();
         break;
         }
 
-    if (tc->monitoring && (touchTime + MONITOR_TIME_DELAY_SEC <= stgTime))
+    if (monitoring && (touchTime + MONITOR_TIME_DELAY_SEC <= stgTime))
         {
-        std::string monFile(tc->monitorDir + "/traffcounter_r");
-        printfd(__FILE__, "Monitor=%d file TraffCounter %s\n", tc->monitoring, monFile.c_str());
+        std::string monFile(monitorDir + "/traffcounter_r");
+        printfd(__FILE__, "Monitor=%d file TraffCounter %s\n", monitoring, monFile.c_str());
         touchTime = stgTime;
         TouchFile(monFile);
         }
 
     if (++c % FLUSH_TIME == 0)
-        tc->FlushAndRemove();
+        FlushAndRemove();
     }
 
-tc->stopped = true;
-return NULL;
+stopped = true;
 }
 //-----------------------------------------------------------------------------
 void TraffCounterImpl::process(const RawPacket & rawPacket)
 {
-if (!running)
-    return;
-
 if (monitoring && (touchTimeP + MONITOR_TIME_DELAY_SEC <= stgTime))
     {
     std::string monFile = monitorDir + "/traffcounter_p";
@@ -200,7 +188,7 @@ if (monitoring && (touchTimeP + MONITOR_TIME_DELAY_SEC <= stgTime))
     TouchFile(monFile);
     }
 
-STG_LOCKER lock(&mutex);
+std::lock_guard<std::mutex> lock(m_mutex);
 
 //printfd(__FILE__, "TraffCounter::Process()\n");
 //TODO replace find with lower_bound.
@@ -278,7 +266,7 @@ if (ed.userUPresent ||
 //-----------------------------------------------------------------------------
 void TraffCounterImpl::FlushAndRemove()
 {
-STG_LOCKER lock(&mutex);
+std::lock_guard<std::mutex> lock(m_mutex);
 
 Packets::size_type oldPacketsSize = packets.size();
 Index::size_type oldIp2packetsSize = ip2packets.size();
@@ -365,7 +353,7 @@ printfd(__FILE__, "AddUser: %s\n", user->GetLogin().c_str());
 uint32_t uip = user->GetCurrIP();
 std::pair<ip2p_iter, ip2p_iter> pi;
 
-STG_LOCKER lock(&mutex);
+std::lock_guard<std::mutex> lock(m_mutex);
 // Find all packets with IP belongs to this user
 pi = ip2packets.equal_range(uip);
 
@@ -402,7 +390,7 @@ void TraffCounterImpl::DelUser(uint32_t uip)
 printfd(__FILE__, "DelUser: %s \n", inet_ntostring(uip).c_str());
 std::pair<ip2p_iter, ip2p_iter> pi;
 
-STG_LOCKER lock(&mutex);
+std::lock_guard<std::mutex> lock(m_mutex);
 pi = ip2packets.equal_range(uip);
 
 while (pi.first != pi.second)
@@ -703,7 +691,7 @@ return false;
 //-----------------------------------------------------------------------------
 int TraffCounterImpl::Reload()
 {
-STG_LOCKER lock(&mutex);
+std::lock_guard<std::mutex> lock(m_mutex);
 
 if (ReadRules(true))
     {