NOT PART OF THE BUILD. new code for testing the jar cache

modules/libjar/test/TestJarCache.cpp

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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape 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/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
+ * 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 Netscape are
+ * Copyright (C) 1999 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ *   John Bandhauer <jband@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU Public License (the "GPL"), in which case the
+ * provisions of the GPL are applicable instead of those above.
+ * If you wish to allow use of your version of this file only
+ * under the terms of the GPL and not to allow others to use your
+ * version of this file under the NPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL.  If you do not delete
+ * the provisions above, a recipient may use your version of this
+ * file under either the NPL or the GPL.
+ */
+
+
+/*
+ * 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[] = {
+    "c:\\temp\\test1.zip",
+    "c:\\temp\\test2.zip",
+    "c:\\temp\\test3.zip",
+    "c:\\temp\\test4.zip",
+    "c:\\temp\\test5.zip",
+    "c:\\temp\\test6.zip",
+    "c:\\temp\\test7.zip",
+    "c:\\temp\\test8.zip",
+};
+
+#define ZIP_COUNT (sizeof(filenames)/sizeof(filenames[0]))
+#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)
+{
+    NS_INIT_REFCNT();
+}
+
+TestThread::~TestThread()
+{
+}
+
+NS_IMETHODIMP
+TestThread::Run()
+{
+    printf("thread %d started\n", mID);
+    
+    nsCOMPtr<nsIZipReader> reader;
+    
+    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]);
+            break;         
+        }
+
+        //printf("thread %d got reader for %s\n", mID, filenames[k]);
+
+        PR_Sleep(rand()%10);    
+    }
+    
+    reader = nsnull;
+
+    printf("thread %d finished\n", mID);
+    return NS_OK;
+}
+
+/***************************************************************************/
+
+int main()
+{
+    nsresult rv;
+    int i;
+
+    rv = NS_InitXPCOM(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;
+}    

modules/libjar/test/makefile.win

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+#!nmake
+#
+# The contents of this file are subject to the Netscape 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/NPL/
+#
+# 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.org code.
+#
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation.  Portions created by Netscape are
+# Copyright (C) 1998 Netscape Communications Corporation. All
+# Rights Reserved.
+#
+# Contributor(s): 
+
+DEPTH=..\..\..
+
+include <$(DEPTH)/config/config.mak>
+
+MAKE_OBJ_TYPE	= EXE
+PROG1 = .\$(OBJDIR)\TestJarCache.exe
+
+PROGRAMS = $(PROG1) \
+           $(NULL)
+
+LCFLAGS=
+
+LINCS=                     \
+        -I$(PUBLIC)\xpcom
+
+LLIBS=                         \
+        $(DIST)\lib\xpcom.lib  \
+        $(LIBNSPR)
+
+include <$(DEPTH)\config\rules.mak>
+
+install:: $(PROGRAMS)
+	-for %p in ($(PROGRAMS)) do $(MAKE_INSTALL) %p $(DIST)\bin
+
+clobber::
+	-for %p in ($(PROGRAMS)) do $(RM) %p $(DIST)\bin\%p
+
+$(PROG1): $(OBJDIR) TestJarCache.cpp
+
+