FifoTest03.cxx
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上传日期:2013-07-25
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- /* ====================================================================
- * The Vovida Software License, Version 1.0
- *
- * Copyright (c) 2000 Vovida Networks, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The names "VOCAL", "Vovida Open Communication Application Library",
- * and "Vovida Open Communication Application Library (VOCAL)" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact vocal@vovida.org.
- *
- * 4. Products derived from this software may not be called "VOCAL", nor
- * may "VOCAL" appear in their name, without prior written
- * permission of Vovida Networks, Inc.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA
- * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
- * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const FifoTest_cxx_Version =
- "$Id: FifoTest03.cxx,v 1.7 2001/06/29 03:42:30 bko Exp $";
- #include "Fifo.h"
- #include "VThread.hxx"
- #include "VTime.hxx"
- #include <stdio.h>
- #include <assert.h>
- #include <unistd.h>
- struct Foo
- {
- bool isTimed;
- struct timeval start;
- Foo()
- {}
- Foo(const Foo& f) : isTimed(f.isTimed)
- {
- start.tv_sec = f.start.tv_sec;
- start.tv_usec = f.start.tv_usec;
- }
- };
- Fifo < Foo > shared;
- int delay = 999;
- int udelay = 10000;
- void* run1(void*)
- {
- while (1)
- {
- if (udelay)
- usleep(udelay);
- Foo x;
- x.isTimed = true;
- gettimeofday(&(x.start), 0);
- shared.addDelayMs(x, delay);
- }
- return 0;
- }
- void* run2(void*)
- {
- int count = 0;
- int bad = 0;
- while (1)
- {
- Foo x = shared.getNext();
- if (x.isTimed)
- {
- // check to see if this is over 1 second
- struct timeval end;
- gettimeofday(&end, 0);
- long us =
- ( end.tv_sec - x.start.tv_sec) * 1000000 +
- ( end.tv_usec - x.start.tv_usec);
- if (us < (delay * 1000) )
- {
- bad++;
- }
- }
- count++;
- if ((count % 100) == 0)
- {
- printf("%d %dn", count, bad);
- }
- }
- return 0;
- }
- int main(int argc, char* argv[])
- {
- if (argc > 1)
- {
- delay = atoi(argv[1]);
- }
- if (argc > 2)
- {
- udelay = atoi(argv[2]);
- }
- VThread thread1;
- VThread thread2;
- thread1.spawn(&run1, 0);
- thread2.spawn(&run2, 0);
- thread1.join();
- thread2.join();
- return 0;
- }