--- a/javamanager/javacaptain/src.linux/tickerprovider.cpp Tue May 11 16:07:20 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,176 +0,0 @@
-/*
-* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description: TimerServer
-*
-*/
-
-
-#include <time.h>
-#include <sys/wait.h>
-#include <sys/types.h>
-#include <limits.h>
-#include <signal.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-
-#include "logger.h"
-
-#include "tickerprovider.h"
-
-namespace java
-{
-namespace captain
-{
-
-TickerProvider::TickerProvider(TickerProviderEventsInterface* aEvents)
- :TickerProviderInterface(aEvents), mTimerId(0), mNextTickAt(0LL)
-{
- JELOG2(EJavaCaptain);
- int rc = timer_create(CLOCK_REALTIME, NULL, &mTimerId);
- if (rc != 0)
- {
- ELOG2(EJavaCaptain, "tickerProvider timer_create failed(%d) errono=%d", rc, errno);
- mTimerId = 0;
- }
-}
-
-TickerProvider::~TickerProvider()
-{
- JELOG2(EJavaCaptain);
- if (mTimerId)
- {
- timer_delete(mTimerId);
- }
-}
-
-void TickerProvider::nextTickAt(const long long& aJavaTime)
-{
- JELOG2(EJavaCaptain);
-
- long long periodmS = (aJavaTime - getCurrentJavaTime());
- LOG1(EJavaCaptain, EInfo, "request %d ms from now", periodmS);
-
- // Already or about to expire (within next 100ms)
- if (periodmS < 100)
- {
- cancel();
- kill(getpid(), SIGALRM);
- mNextTickAt = 0LL;
- }
- else
- {
- long long periodS = periodmS/1000LL;
- //19 Jan 2038 is maximum timer value(equal with INT_MAX) which can be set to the
- //to the timer_settime. It is ok to set INT_MAX as value of timer in this situation.
- //Ultimate solution would be set first INT_MAX to the timer and after expiration of that timer
- //set rest of the timer value of the orig. timer.
- int periodnS = 0;
- if ((long long) INT_MAX < periodS)
- {
- periodS = INT_MAX;
- }
- else
- {
- periodnS = periodmS - (periodS * 1000);
- periodnS *= 1000L; // ms -> us
- periodnS *= 1000L; // us -> ns
- }
-
- LOG1(EJavaCaptain, EInfo, "nextTickAt (%ld seconds)", periodS);
- LOG1(EJavaCaptain, EInfo, "nextTickAt (%d nanoseconds)", periodnS);
-
- struct itimerspec value;
- memset(&value, 0, sizeof(value));
- int rc = timer_gettime(mTimerId, &value);
-
- if (!rc)
- {
- // Start timer if it wasn't already started or was started but set too late
- if ((!value.it_value.tv_sec && !value.it_value.tv_nsec) ||
- (value.it_value.tv_sec > periodS) ||
- (value.it_value.tv_sec == periodS && value.it_value.tv_nsec > periodnS))
- {
- memset(&value, 0, sizeof(value));
- value.it_value.tv_sec = periodS;
- value.it_value.tv_nsec = periodnS;
- rc = timer_settime(mTimerId, 0, &value, NULL);
- if (rc != 0)
- {
- ELOG2(EJavaCaptain, "tickerProvider timer_settime failed(%d) errono=%d", rc, errno);
- }
- mNextTickAt = aJavaTime;
- }
- }
- else
- {
- ELOG2(EJavaCaptain, "tickerProvider timer_gettime failed(%d) errno=%d", rc, errno);
- }
- }
-}
-
-long long TickerProvider::getNextTickAt()
-{
- JELOG2(EJavaCaptain);
-
- struct itimerspec value;
- memset(&value, 0, sizeof(value));
- int rc = timer_gettime(mTimerId, &value);
-
- if (!rc)
- {
- // Timer was not started
- if (!value.it_value.tv_sec && !value.it_value.tv_nsec)
- {
- mNextTickAt = 0LL;
- }
- }
- else
- {
- ELOG2(EJavaCaptain, "tickerProvider timer_gettime failed(%d) errno=%d", rc, errno);
- }
-
- return mNextTickAt;
-}
-
-void TickerProvider::cancel()
-{
- JELOG2(EJavaCaptain);
-
- struct itimerspec value;
- memset(&value, 0, sizeof(value));
- int rc = timer_gettime(mTimerId, &value);
-
- if (!rc)
- {
- // Stop timer only if it was started
- if (value.it_value.tv_sec || value.it_value.tv_nsec)
- {
- memset(&value, 0, sizeof(value));
- rc = timer_settime(mTimerId, 0, &value, NULL);
- if (rc != 0)
- {
- ELOG2(EJavaCaptain, "tickerProvider timer_settime failed(%d) errono=%d", rc, errno);
- }
- }
- }
- else
- {
- ELOG2(EJavaCaptain, "tickerProvider timer_gettime failed(%d) errno=%d", rc, errno);
- }
-}
-
-} // namespace captain
-} // namespace java
-