Added const qualifier.

[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 551a28f1f09369d4c1b2cfc8e56cc078bf9701f6..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"
 
 #include "smux.h"
 #include "utils.h"
 

+namespace
+{

 PLUGIN_CREATOR<SMUX> smc;
 
 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)
 
 bool SPrefixLess(const Sensors::value_type & a,
                  const Sensors::value_type & b)


@@ -33,6 +33,15 @@ bool SPrefixLess(const Sensors::value_type & a,
 return a.first.PrefixLess(b.first);
 }
 
 return a.first.PrefixLess(b.first);
 }
 

+}
+
+extern "C" PLUGIN * GetPlugin();
+
+PLUGIN * GetPlugin()
+{
+return smc.GetPlugin();
+}
+

 SMUX_SETTINGS::SMUX_SETTINGS()
     : errorStr(),
       ip(0),
 SMUX_SETTINGS::SMUX_SETTINGS()
     : errorStr(),
       ip(0),


@@ -60,7 +69,7 @@ if (ParseIntInRange(pvi->value[0], 2, 65535, &p))
     printfd(__FILE__, "Cannot parse parameter 'Port'\n");
     return -1;
     }
     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);
 
 pv.param = "Password";
 pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);


@@ -103,6 +112,9 @@ SMUX::SMUX()
       mutex(),
       running(false),
       stopped(true),
       mutex(),
       running(false),
       stopped(true),

+      needReconnect(false),
+      lastReconnectTry(0),
+      reconnectTimeout(1),

       sock(-1),
       smuxHandlers(),
       pdusHandlers(),
       sock(-1),
       smuxHandlers(),
       pdusHandlers(),


@@ -111,7 +123,8 @@ SMUX::SMUX()
       notifiers(),
       addUserNotifier(*this),
       delUserNotifier(*this),
       notifiers(),
       addUserNotifier(*this),
       delUserNotifier(*this),

-      addDelTariffNotifier(*this)
+      addDelTariffNotifier(*this),
+      logger(GetPluginLogger(GetStgLogger(), "smux"))

 {
 pthread_mutex_init(&mutex, NULL);
 
 {
 pthread_mutex_init(&mutex, NULL);
 


@@ -156,7 +169,7 @@ assert(corporations != NULL && "corporations must not be NULL");
 assert(traffcounter != NULL && "traffcounter must not be NULL");
 
 if (PrepareNet())
 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);
 
 // Users
 sensors[OID(".1.3.6.1.4.1.38313.1.1.1")] = new TotalUsersSensor(*users);


@@ -204,6 +217,7 @@ if (!running)
     if (pthread_create(&thread, NULL, Runner, this))
         {
         errorStr = "Cannot create thread.";
     if (pthread_create(&thread, NULL, Runner, this))
         {
         errorStr = "Cannot create thread.";

+       logger("Cannot create thread.");

         printfd(__FILE__, "Cannot create thread\n");
         return -1;
         }
         printfd(__FILE__, "Cannot create thread\n");
         return -1;
         }


@@ -264,6 +278,11 @@ if (Stop())
     return -1;
 if (Start())
     return -1;
     return -1;
 if (Start())
     return -1;

+if (!needReconnect)
+    {
+    printfd(__FILE__, "SMUX reconnected succesfully.\n");
+    logger("Reconnected successfully.");
+    }

 return 0;
 }
 
 return 0;
 }
 


@@ -284,15 +303,15 @@ void SMUX::Run()
 {
 stopped = true;
 if (!SendOpenPDU(sock))
 {
 stopped = true;
 if (!SendOpenPDU(sock))

-    return;
+    needReconnect = true;

 if (!SendRReqPDU(sock))
 if (!SendRReqPDU(sock))

-    return;
+    needReconnect = true;

 running = true;
 stopped = false;
 
 while(running)
     {
 running = true;
 stopped = false;
 
 while(running)
     {

-    if (WaitPackets(sock))
+    if (WaitPackets(sock) && !needReconnect)

         {
         SMUX_PDUs_t * pdus = RecvSMUXPDUs(sock);
         if (pdus)
         {
         SMUX_PDUs_t * pdus = RecvSMUXPDUs(sock);
         if (pdus)


@@ -300,7 +319,11 @@ while(running)
             DispatchPDUs(pdus);
             ASN_STRUCT_FREE(asn_DEF_SMUX_PDUs, pdus);
             }
             DispatchPDUs(pdus);
             ASN_STRUCT_FREE(asn_DEF_SMUX_PDUs, pdus);
             }

+        else if (running)
+            Reconnect();

         }
         }

+    else if (running && needReconnect)
+        Reconnect();

     if (!running)
         break;
     }
     if (!running)
         break;
     }


@@ -315,6 +338,7 @@ sock = socket(AF_INET, SOCK_STREAM, 0);
 if (sock < 0)
     {
     errorStr = "Cannot create socket.";
 if (sock < 0)
     {
     errorStr = "Cannot create socket.";

+    logger("Cannot create a socket: %s", strerror(errno));

     printfd(__FILE__, "Cannot create socket\n");
     return true;
     }
     printfd(__FILE__, "Cannot create socket\n");
     return true;
     }


@@ -328,6 +352,7 @@ addr.sin_addr.s_addr = smuxSettings.GetIP();
 if (connect(sock, reinterpret_cast<struct sockaddr *>(&addr), sizeof(addr)))
     {
     errorStr = "Cannot connect.";
 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;
     }
     printfd(__FILE__, "Cannot connect. Message: '%s'\n", strerror(errno));
     return true;
     }


@@ -335,6 +360,33 @@ if (connect(sock, reinterpret_cast<struct sockaddr *>(&addr), sizeof(addr)))
 return false;
 }
 
 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(smuxHandlers.find(pdus->present));
 bool SMUX::DispatchPDUs(const SMUX_PDUs_t * pdus)
 {
 SMUXHandlers::iterator it(smuxHandlers.find(pdus->present));