(unet): minor fixes

extensions/UNetUDP/UNetReceiver.cc

@@ -512,7 +512,7 @@ void UNetReceiver::readEvent( ev::io& watcher ) noexcept
     }
 }
 // -----------------------------------------------------------------------------
-void UNetReceiver::checkConnection()
+bool UNetReceiver::checkConnection()
 {
     bool tout = false;
 
@@ -530,12 +530,21 @@ void UNetReceiver::checkConnection()
 
         if( w )
         {
-            if( tout )
+            try
+            {
+                if (tout)
                     slEvent(w, evTimeout);
                 else
                     slEvent(w, evOK);
             }
+            catch( std::exception& ex )
+            {
+                unetcrit << myname << "(checkConnection): exception: " << ex.what() << endl;
+            }
+        }
     }
+
+    return !tout;
 }
 // -----------------------------------------------------------------------------
 void UNetReceiver::updateEvent( ev::periodic& tm, int revents ) noexcept
@@ -552,7 +561,10 @@ void UNetReceiver::updateEvent( ev::periodic& tm, int revents ) noexcept
     // взводим таймер опять..
     tm.again();
 
-    // собственно обработка события
+    // смотрим есть ли связь..
+    bool recvOk = checkConnection();
+
+    // обновление данных в SM
     try
     {
         update();
@@ -562,16 +574,13 @@ void UNetReceiver::updateEvent( ev::periodic& tm, int revents ) noexcept
         unetcrit << myname << "(updateEvent): " << ex.what() << std::endl;
     }
 
-    // смотрим есть ли связь..
-    checkConnection();
-
     if( sidRespond != DefaultObjectId )
     {
         try
         {
             if( isInitOK() )
             {
-                bool r = respondInvert ? !isRecvOK() : isRecvOK();
+                bool r = respondInvert ? !recvOk : recvOk;
                 shm->localSetValue(itRespond, sidRespond, ( r ? 1 : 0 ), shm->ID());
             }
         }

extensions/UNetUDP/UNetReceiver.h

@@ -189,7 +189,7 @@ namespace uniset
 
             void initIterators() noexcept;
             bool createConnection( bool throwEx = false );
-            void checkConnection();
+            bool checkConnection();
             size_t rnext( size_t num );
 
         private:

extensions/UNetUDP/unet-udp-tester.cc

 #include <cstdlib>
-#include <errno.h>
 #include <getopt.h>
 #include <cstring>
 #include <iostream>
@@ -68,7 +67,7 @@ int main(int argc, char* argv[])
     int verb = 0;
     std::string addr = "";
     int port = 0;
-    int usecpause = 2000000;
+    int usecpause = 200000;
     timeout_t tout = UniSetTimer::WaitUpTime;
     bool broadcast = true;
     int procID = 1;
@@ -108,7 +107,7 @@ int main(int argc, char* argv[])
                 cout << "[-y|--prof] num          - Print receive statistics every NUM packets (for -r only)" << endl;
                 cout << "[-a|--a-data] id1=val1,id2=val2,... - Analog data. Send: id1=id1,id2=id2,.. for analog sensors" << endl;
                 cout << "[-i|--d-data] id1=val1,id2=val2,... - Digital data. Send: id1=id1,id2=id2,.. for digital sensors" << endl;
-                cout << "[-u|--pack-num] num      - first packet numbrt (default: 1)" << endl;
+                cout << "[-u|--pack-num] num      - first packet number (default: 1)" << endl;
                 cout << endl;
                 return 0;
 
@@ -255,7 +254,7 @@ int main(int argc, char* argv[])
                             continue;
                         }
 
-                        size_t ret = udp.receiveBytes(&pack, sizeof(pack) );
+                        size_t ret = udp.receiveBytes(&pack, sizeof(pack));
 
                         if( ret < 0 )
                         {
@@ -281,7 +280,9 @@ int main(int argc, char* argv[])
                         {
                             if( prev_num != (pack.header.num - 1) )
                                 cerr << "WARNING! Incorrect sequence of packets! current=" << pack.header.num
-                                     << " prev=" << prev_num << endl;
+                                     << " prev=" << prev_num
+                                     << " lost: " << std::labs(pack.header.num - prev_num)
+                                     << endl;
 
                             prev_num = pack.header.num;
                         }