77 lines
1.6 KiB
C++
77 lines
1.6 KiB
C++
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/* * $Id$
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*
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* L O S A L A M O S
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* Los Alamos National Laboratory
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* Los Alamos, New Mexico 87545
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*
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* Copyright, 1986, The Regents of the University of California.
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*
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* Author: Jeff Hill
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*/
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#include "iocinf.h"
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tcpRecvWatchdog::tcpRecvWatchdog
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(double periodIn, osiTimerQueue & queueIn, bool echoProtocolAcceptedIn) :
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osiTimer (periodIn, queueIn),
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period (periodIn),
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echoProtocolAccepted (echoProtocolAcceptedIn),
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echoResponsePending (false)
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{
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}
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void tcpRecvWatchdog::echoResponseNotify ()
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{
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this->echoResponsePending = false;
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this->reschedule ( this->period );
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}
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void tcpRecvWatchdog::expire ()
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{
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/*
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* remain backwards compatible with old servers
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* ( this isnt an echo request )
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*/
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if ( ! this->echoProtocolAccepted ) {
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this->noopRequestMsg ();
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}
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else if ( this->echoResponsePending ) {
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ca_printf ( "CA server unresponsive for %f sec. Disconnecting\n", this->period );
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this->shutdown ();
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}
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else {
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this->echoRequestMsg ();
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this->echoResponsePending = true;
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}
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}
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void tcpRecvWatchdog::destroy ()
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{
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// ignore timer destroy requests
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}
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bool tcpRecvWatchdog::again () const
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{
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return true;
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}
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double tcpRecvWatchdog::delay () const
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{
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if (this->echoResponsePending) {
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return CA_ECHO_TIMEOUT;
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}
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else {
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return this->period;
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}
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}
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const char *tcpRecvWatchdog::name () const
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{
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return "TCP Receive Watchdog";
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}
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void tcpRecvWatchdog::rescheduleRecvTimer ()
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{
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this->reschedule ();
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} |