Fix occasional crash on second and more reload in SMUX plugin

[stg.git] / projects / stargazer / plugins / other / smux / smux.cpp

diff --git a/projects/stargazer/plugins/other/smux/smux.cpp b/projects/stargazer/plugins/other/smux/smux.cpp
index 8faccc2d3ed8de0fee1abd2c82beba906ae527d5..551a28f1f09369d4c1b2cfc8e56cc078bf9701f6 100644 (file)
--- a/projects/stargazer/plugins/other/smux/smux.cpp
+++ b/projects/stargazer/plugins/other/smux/smux.cpp
@@ -34,8 +34,10 @@ return a.first.PrefixLess(b.first);
 }
 
 SMUX_SETTINGS::SMUX_SETTINGS()
-    : ip(0),
-      port(0)
+    : errorStr(),
+      ip(0),
+      port(0),
+      password()
 {}
 
 int SMUX_SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
@@ -94,6 +96,11 @@ SMUX::SMUX()
       services(NULL),
       corporations(NULL),
       traffcounter(NULL),
+      errorStr(),
+      smuxSettings(),
+      settings(),
+      thread(),
+      mutex(),
       running(false),
       stopped(true),
       sock(-1),
@@ -163,6 +170,7 @@ sensors[OID(".1.3.6.1.4.1.38313.1.1.8")] = new PassiveUsersSensor(*users);
 sensors[OID(".1.3.6.1.4.1.38313.1.1.9")] = new CreditUsersSensor(*users);
 sensors[OID(".1.3.6.1.4.1.38313.1.1.10")] = new FreeMbUsersSensor(*users);
 sensors[OID(".1.3.6.1.4.1.38313.1.1.11")] = new TariffChangeUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.12")] = new ActiveUsersSensor(*users);
 // Tariffs
 sensors[OID(".1.3.6.1.4.1.38313.1.2.1")] = new TotalTariffsSensor(*tariffs);
 // Admins
@@ -217,22 +225,10 @@ if (!stopped)
         struct timespec ts = {0, 200000000};
         nanosleep(&ts, NULL);
         }
-
-    //after 5 seconds waiting thread still running. now killing it
-    if (!stopped)
-        {
-        printfd(__FILE__, "SMUX::Stop() - failed to stop thread, killing it\n");
-        if (pthread_kill(thread, SIGINT))
-            {
-            errorStr = "Cannot kill thread.";
-            printfd(__FILE__, "SMUX::Stop() - Cannot kill thread\n");
-            return -1;
-            }
-        printfd(__FILE__, "SMUX::Stop() -  killed Run\n");
-        }
     }
 
-pthread_join(thread, NULL);
+if (stopped)
+    pthread_join(thread, NULL);
 
 ResetNotifiers();
 
@@ -252,6 +248,12 @@ sensors.erase(sensors.begin(), sensors.end());
 
 close(sock);
 
+if (!stopped)
+    {
+    running = true;
+    return -1;
+    }
+
 printfd(__FILE__, "SMUX::Stop() - After\n");
 return 0;
 }
@@ -267,6 +269,10 @@ return 0;
 
 void * SMUX::Runner(void * d)
 {
+sigset_t signalSet;
+sigfillset(&signalSet);
+pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+
 SMUX * smux = static_cast<SMUX *>(d);
 
 smux->Run();
@@ -276,8 +282,11 @@ return NULL;
 
 void SMUX::Run()
 {
-SendOpenPDU(sock);
-SendRReqPDU(sock);
+stopped = true;
+if (!SendOpenPDU(sock))
+    return;
+if (!SendRReqPDU(sock))
+    return;
 running = true;
 stopped = false;
 
@@ -328,15 +337,14 @@ return false;
 
 bool SMUX::DispatchPDUs(const SMUX_PDUs_t * pdus)
 {
-SMUXHandlers::iterator it;
-it = smuxHandlers.find(pdus->present);
+SMUXHandlers::iterator it(smuxHandlers.find(pdus->present));
 if (it != smuxHandlers.end())
     {
     return (this->*(it->second))(pdus);
     }
+#ifdef SMUX_DEBUG
 else
     {
-#ifdef SMUX_DEBUG
     switch (pdus->present)
         {
         case SMUX_PDUs_PR_NOTHING:
@@ -352,8 +360,8 @@ else
             printfd(__FILE__, "PDUs: undefined\n");
         }
     asn_fprint(stderr, &asn_DEF_SMUX_PDUs, pdus);
-#endif
     }
+#endif
 return false;
 }
 
@@ -459,15 +467,11 @@ tariffs->DelNotifierAdd(&addDelTariffNotifier);
 users->DelNotifierUserDel(&delUserNotifier);
 users->DelNotifierUserAdd(&addUserNotifier);
 
-std::list<CHG_AFTER_NOTIFIER>::iterator it = notifiers.begin();
+std::list<CHG_AFTER_NOTIFIER>::iterator it(notifiers.begin());
 while (it != notifiers.end())
     {
     it->GetUserPtr()->GetProperty().tariffName.DelAfterNotifier(&(*it));
     ++it;
     }
-}
-
-void CHG_AFTER_NOTIFIER::Notify(const std::string &, const std::string &)
-{
-smux.UpdateTables();
+notifiers.clear();
 }