Final icing on rlm_stg.

[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 bcfc940e432f146a7fffa4e50c4fac1b526600df..09cb4636795b1f72d567dc6274e2d74f788a2fad 100644 (file)
--- a/projects/stargazer/plugins/other/smux/smux.cpp
+++ b/projects/stargazer/plugins/other/smux/smux.cpp
@@ -20,12 +20,12 @@
 #include "smux.h"
 #include "utils.h"
 
+namespace
+{
 PLUGIN_CREATOR<SMUX> smc;
 
-PLUGIN * GetPlugin()
-{
-return smc.GetPlugin();
-}
+bool SPrefixLess(const Sensors::value_type & a,
+                 const Sensors::value_type & b);
 
 bool SPrefixLess(const Sensors::value_type & a,
                  const Sensors::value_type & b)
@@ -33,9 +33,20 @@ bool SPrefixLess(const Sensors::value_type & a,
 return a.first.PrefixLess(b.first);
 }
 
+}
+
+extern "C" PLUGIN * GetPlugin();
+
+PLUGIN * GetPlugin()
+{
+return smc.GetPlugin();
+}
+
 SMUX_SETTINGS::SMUX_SETTINGS()
-    : ip(0),
-      port(0)
+    : errorStr(),
+      ip(0),
+      port(0),
+      password()
 {}
 
 int SMUX_SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
@@ -58,7 +69,7 @@ if (ParseIntInRange(pvi->value[0], 2, 65535, &p))
     printfd(__FILE__, "Cannot parse parameter 'Port'\n");
     return -1;
     }
-port = p;
+port = static_cast<uint16_t>(p);
 
 pv.param = "Password";
 pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
@@ -94,8 +105,16 @@ SMUX::SMUX()
       services(NULL),
       corporations(NULL),
       traffcounter(NULL),
+      errorStr(),
+      smuxSettings(),
+      settings(),
+      thread(),
+      mutex(),
       running(false),
       stopped(true),
+      needReconnect(false),
+      lastReconnectTry(0),
+      reconnectTimeout(1),
       sock(-1),
       smuxHandlers(),
       pdusHandlers(),
@@ -104,7 +123,8 @@ SMUX::SMUX()
       notifiers(),
       addUserNotifier(*this),
       delUserNotifier(*this),
-      addDelTariffNotifier(*this)
+      addDelTariffNotifier(*this),
+      logger(GetPluginLogger(GetStgLogger(), "smux"))
 {
 pthread_mutex_init(&mutex, NULL);
 
@@ -149,7 +169,7 @@ assert(corporations != NULL && "corporations must not be NULL");
 assert(traffcounter != NULL && "traffcounter must not be NULL");
 
 if (PrepareNet())
-    return -1;
+    needReconnect = true;
 
 // Users
 sensors[OID(".1.3.6.1.4.1.38313.1.1.1")] = new TotalUsersSensor(*users);
@@ -163,6 +183,7 @@ 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
@@ -196,6 +217,7 @@ if (!running)
     if (pthread_create(&thread, NULL, Runner, this))
         {
         errorStr = "Cannot create thread.";
+       logger("Cannot create thread.");
         printfd(__FILE__, "Cannot create thread\n");
         return -1;
         }
@@ -217,22 +239,10 @@ 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();
 
@@ -252,12 +262,36 @@ sensors.erase(sensors.begin(), sensors.end());
 
 close(sock);
 
+if (!stopped)
+    {
+    running = true;
+    return -1;
+    }
+
 printfd(__FILE__, "SMUX::Stop() - After\n");
 return 0;
 }
 
+int SMUX::Reload()
+{
+if (Stop())
+    return -1;
+if (Start())
+    return -1;
+if (!needReconnect)
+    {
+    printfd(__FILE__, "SMUX reconnected succesfully.\n");
+    logger("Reconnected successfully.");
+    }
+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();
@@ -267,14 +301,17 @@ return NULL;
 
 void SMUX::Run()
 {
-SendOpenPDU(sock);
-SendRReqPDU(sock);
+stopped = true;
+if (!SendOpenPDU(sock))
+    needReconnect = true;
+if (!SendRReqPDU(sock))
+    needReconnect = true;
 running = true;
 stopped = false;
 
 while(running)
     {
-    if (WaitPackets(sock))
+    if (WaitPackets(sock) && !needReconnect)
         {
         SMUX_PDUs_t * pdus = RecvSMUXPDUs(sock);
         if (pdus)
@@ -282,7 +319,11 @@ while(running)
             DispatchPDUs(pdus);
             ASN_STRUCT_FREE(asn_DEF_SMUX_PDUs, pdus);
             }
+        else if (running)
+            Reconnect();
         }
+    else if (running && needReconnect)
+        Reconnect();
     if (!running)
         break;
     }
@@ -297,6 +338,7 @@ sock = socket(AF_INET, SOCK_STREAM, 0);
 if (sock < 0)
     {
     errorStr = "Cannot create socket.";
+    logger("Cannot create a socket: %s", strerror(errno));
     printfd(__FILE__, "Cannot create socket\n");
     return true;
     }
@@ -310,6 +352,7 @@ addr.sin_addr.s_addr = smuxSettings.GetIP();
 if (connect(sock, reinterpret_cast<struct sockaddr *>(&addr), sizeof(addr)))
     {
     errorStr = "Cannot connect.";
+    logger("Cannot connect the socket: %s", strerror(errno));
     printfd(__FILE__, "Cannot connect. Message: '%s'\n", strerror(errno));
     return true;
     }
@@ -317,17 +360,43 @@ if (connect(sock, reinterpret_cast<struct sockaddr *>(&addr), sizeof(addr)))
 return false;
 }
 
+bool SMUX::Reconnect()
+{
+if (needReconnect && difftime(time(NULL), lastReconnectTry) < reconnectTimeout)
+    return true;
+
+time(&lastReconnectTry);
+SendClosePDU(sock);
+close(sock);
+if (!PrepareNet())
+    if (SendOpenPDU(sock))
+        if (SendRReqPDU(sock))
+            {
+            reconnectTimeout = 1;
+            needReconnect = false;
+            logger("Connected successfully");
+            printfd(__FILE__, "Connected successfully\n");
+            return false;
+            }
+
+if (needReconnect)
+    if (reconnectTimeout < 60)
+        reconnectTimeout *= 2;
+
+needReconnect = true;
+return true;
+}
+
 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:
@@ -343,8 +412,8 @@ else
             printfd(__FILE__, "PDUs: undefined\n");
         }
     asn_fprint(stderr, &asn_DEF_SMUX_PDUs, pdus);
-#endif
     }
+#endif
 return false;
 }
 
@@ -450,15 +519,11 @@ 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();
 }