gecko-dev/modules/libjar/test/TestJarCache.cpp
2004-04-18 22:01:16 +00:00

237 lines
5.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* John Bandhauer <jband@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* This is a simple multithreaded test for the jar cache. Inorder to run it
* you must create the zip files listed in "filenames" below.
*/
#include "nsISupports.h"
#include "nsIServiceManager.h"
#include "nsCRT.h"
#include "nsMemory.h"
#include "nsAutoLock.h"
#include "nsIRunnable.h"
#include "nsIThread.h"
#include "nsIZipReader.h"
#include "nsILocalFile.h"
#include <stdio.h>
#include <stdlib.h>
static char** filenames;
#define ZIP_COUNT 8
#define CACHE_SIZE 4
#define THREAD_COUNT 6
#define THREAD_LOOP_COUNT 1000
static nsCOMPtr<nsILocalFile> files[ZIP_COUNT];
static const char gCacheContractID[] = "@mozilla.org/libjar/zip-reader-cache;1";
static const PRUint32 gCacheSize = 4;
nsCOMPtr<nsIZipReaderCache> gCache = nsnull;
static nsIZipReader* GetZipReader(nsILocalFile* file)
{
if(!gCache)
{
gCache = do_CreateInstance(gCacheContractID);
if(!gCache || NS_FAILED(gCache->Init(CACHE_SIZE)))
return nsnull;
}
nsIZipReader* reader = nsnull;
if(!file || NS_FAILED(gCache->GetZip(file, &reader)))
return nsnull;
return reader;
}
/***************************************************************************/
class TestThread : public nsIRunnable
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIRUNNABLE
TestThread();
virtual ~TestThread();
private:
PRUint32 mID;
static PRUint32 gCounter;
};
NS_IMPL_THREADSAFE_ISUPPORTS1(TestThread, nsIRunnable)
PRUint32 TestThread::gCounter = 0;
TestThread::TestThread()
: mID(++gCounter)
{
}
TestThread::~TestThread()
{
}
NS_IMETHODIMP
TestThread::Run()
{
printf("thread %d started\n", mID);
nsCOMPtr<nsIZipReader> reader;
int failure = 0;
for(int i = 0; i < THREAD_LOOP_COUNT; i++)
{
int k = rand()%ZIP_COUNT;
reader = dont_AddRef(GetZipReader(files[k]));
if(!reader)
{
printf("thread %d failed to get reader for %s\n", mID, filenames[k]);
failure = 1;
break;
}
//printf("thread %d got reader for %s\n", mID, filenames[k]);
PR_Sleep(rand()%10);
}
reader = nsnull;
printf("thread %d finished\n", mID);
if ( failure ) return NS_ERROR_FAILURE;
return NS_OK;
}
/***************************************************************************/
int main(int argc, char **argv)
{
nsresult rv;
int i;
if (ZIP_COUNT != (argc - 1))
{
printf("usage: TestJarCache ");
for ( i = 0; i < ZIP_COUNT; i++)
printf("file%1d ",i + 1);
printf("\n");
return 1;
}
filenames = argv + 1;
rv = NS_InitXPCOM2(nsnull, nsnull, nsnull);
if(NS_FAILED(rv))
{
printf("NS_InitXPCOM failed!\n");
return 1;
}
// construct the cache
nsIZipReader* bogus = GetZipReader(nsnull);
for(i = 0; i < ZIP_COUNT; i++)
{
PRBool exists;
rv = NS_NewLocalFile(filenames[i], PR_FALSE, getter_AddRefs(files[i]));
if(NS_FAILED(rv) || NS_FAILED(files[i]->Exists(&exists)) || !exists)
{
printf("Couldn't find %s\n", filenames[i]);
return 1;
}
}
nsCOMPtr<nsIThread> threads[THREAD_COUNT];
for(i = 0; i < THREAD_COUNT; i++)
{
rv = NS_NewThread(getter_AddRefs(threads[i]),
new TestThread(),
0, PR_JOINABLE_THREAD);
if(NS_FAILED(rv))
{
printf("NS_NewThread failed!\n");
return 1;
}
PR_Sleep(10);
}
printf("all threads created\n");
for(i = 0; i < THREAD_COUNT; i++)
{
if(threads[i])
{
threads[i]->Join();
threads[i] = nsnull;
}
}
for(i = 0; i < ZIP_COUNT; i++)
files[i] = nsnull;
// kill the cache
gCache = nsnull;
rv = NS_ShutdownXPCOM(nsnull);
if(NS_FAILED(rv))
{
printf("NS_ShutdownXPCOM failed!\n");
return 1;
}
printf("done\n");
return 0;
}