epics/pcas
0
0
Fork 0
Code Issues Pull Requests Projects Wiki Activity

made tcp recv and send watch dogs embedded objects and

Browse Source 
added debug diagnostics
This commit is contained in:
Jeff Hill
2001-01-27 00:16:21 +00:00
parent d85ee06cee
commit 29f275ab82
1 changed files with 33 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
src/ca/tcpRecvWatchdog.cpp
View File

@@ -12,12 +12,20 @@
#include "iocinf.h"
#ifdef DEBUG
# define debugPrintf(argsInParen) printf argsInParen
#else
# define debugPrintf(argsInParen)
#endif
//
// the recv watchdog timer is active when this object is created
//
tcpRecvWatchdog::tcpRecvWatchdog
( double periodIn, osiTimerQueue & queueIn ) :
osiTimer ( queueIn ),
period ( periodIn ),
responsePending ( false ),
beaconAnomaly ( true )
( tcpiiu &iiuIn, double periodIn, osiTimerQueue & queueIn ) :
osiTimer ( queueIn ),
period ( periodIn ), iiu ( iiuIn ), responsePending ( false ),
beaconAnomaly ( true )
{
}
@@ -30,13 +38,14 @@ void tcpRecvWatchdog::expire ()
if ( this->responsePending ) {
this->cancel ();
char hostName[128];
this->hostName ( hostName, sizeof (hostName) );
ca_printf ( "CA server %s unresponsive for %g sec. Disconnecting.\n",
hostName, this->period + CA_ECHO_TIMEOUT );
this->forcedShutdown ();
this->iiu.hostName ( hostName, sizeof (hostName) );
ca_printf ( "CA server \"%s\" unresponsive after %g inactive sec - disconnecting.\n",
hostName, this->period );
this->iiu.forcedShutdown ();
}
else {
this->responsePending = this->setEchoRequestPending ();
this->responsePending = this->iiu.setEchoRequestPending ();
debugPrintf ( ("TCP connection timed out - sending echo request\n") );
}
}
@@ -64,19 +73,21 @@ void tcpRecvWatchdog::beaconArrivalNotify ()
{
if ( ! this->beaconAnomaly && ! this->responsePending ) {
this->reschedule ( this->period );
debugPrintf ( ("Saw a normal beacon - reseting TCP recv watchdog\n") );
}
}
/*
* be careful about using beacons to reset the connection
* time out watchdog until we have received a ping response
* from the IOC (this makes the software detect reconnects
* faster when the server is rebooted twice in rapid
* succession before a 1st or 2nd beacon has been received)
*/
//
// be careful about using beacons to reset the connection
// time out watchdog until we have received a ping response
// from the IOC (this makes the software detect reconnects
// faster when the server is rebooted twice in rapid
// succession before a 1st or 2nd beacon has been received)
//
void tcpRecvWatchdog::beaconAnomalyNotify ()
{
this->beaconAnomaly = true;
debugPrintf ( ("Saw an abnormal beacon\n") );
}
void tcpRecvWatchdog::messageArrivalNotify ()
@@ -84,11 +95,13 @@ void tcpRecvWatchdog::messageArrivalNotify ()
this->beaconAnomaly = false;
this->responsePending = false;
this->reschedule ( this->period );
debugPrintf ( ("received a message - reseting TCP recv watchdog\n") );
}
void tcpRecvWatchdog::connectNotify ()
{
this->reschedule ( this->period );
debugPrintf ( ("connected to the server - reseting TCP recv watchdog\n") );
}
const char *tcpRecvWatchdog::name () const
@@ -96,9 +109,10 @@ const char *tcpRecvWatchdog::name () const
return "TCP Receive Watchdog";
}
void tcpRecvWatchdog::cancelRecvWatchdog ()
void tcpRecvWatchdog::cancel ()
{
this->cancel ();
this->osiTimer::cancel ();
debugPrintf ( ("canceling TCP recv watchdog\n") );
}
void tcpRecvWatchdog::show ( unsigned level ) const