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Mozilla/mozilla/netwerk/test/TestRawCache.cpp
dougt%netscape.com 175245e2de Relanding Necko Changes. 
Revising nsIChannel to allow for overlapped i/o. This consists of three parts:

1. Factoring nsIChannel into a protocol specific part, the nsIChannel, and a socket specific, the nsITransport.
2. Derive the nsIChannel from a nsIRequest.
2. Changes the notification system from necko and the URILoader to pass the nsIRequest interface instead of nsIChannel interface.

This goal stems from wanting to be able to have active AsyncRead and AsyncWrite operations on nsSocketTransport.
This is desired because it would greatly simplify the task of maintaining persistent/reusable socket connections
for FTP, HTTP, and Imap (and potentially other protocols). The problem with the existing nsIChannel interface is
that it does not allow one to selectively suspend just one of the read or write operations while keeping the other active.

r=darin@netscape.com
sr=rpotts@netscape.com


git-svn-id: svn://10.0.0.236/trunk@87587 18797224-902f-48f8-a5cc-f745e15eee43
2001-02-21 20:38:08 +00:00

813 lines
25 KiB
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsIStreamListener.h"
#include "nsIStreamObserver.h"
#include "nsIServiceManager.h"
#include "nsIInputStream.h"
#include "nsIOutputStream.h"
#include "nsIEventQueue.h"
#include "nsIEventQueueService.h"
#include "nsIChannel.h"
#include "nsITransport.h"
#include "nsCOMPtr.h"
#include "nsString.h"
#include <stdio.h>
#include "nsINetDataCache.h"
#include "nsINetDataCacheRecord.h"
#include "nsMemCacheCID.h"
// file cache include
#include "nsNetDiskCacheCID.h"
#include "nsIPref.h"
#include "prenv.h"
#include "nsIFileStreams.h"
#include "nsIFileSpec.h"
// Number of test entries to be placed in the cache
#define NUM_CACHE_ENTRIES 250
// Cache content stream length will have random length between zero and
// MAX_CONTENT_LENGTH bytes
#define MAX_CONTENT_LENGTH 20000
// Length of random-data cache entry key
#define CACHE_KEY_LENGTH 15
// Length of random-data cache entry meta-data
#define CACHE_METADATA_LENGTH 100
static NS_DEFINE_CID(kMemCacheCID, NS_MEM_CACHE_FACTORY_CID);
static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
// file cache cid
static NS_DEFINE_CID(kDiskCacheCID, NS_NETDISKCACHE_CID) ;
static NS_DEFINE_CID(kPrefCID, NS_PREF_CID);
static NS_DEFINE_IID(kIPrefIID, NS_IPREF_IID);
// Mapping from test case number to RecordID
static PRInt32 recordID[NUM_CACHE_ENTRIES];
static PRInt32
mapRecordIdToTestNum(PRInt32 aRecordID)
{
int i;
for (i = 0; i < NUM_CACHE_ENTRIES; i++) {
if (recordID[i] == aRecordID)
return i;
}
return -1;
}
// A supply of stream data to either store or compare with
class nsITestDataStream {
public:
virtual ~nsITestDataStream() {};
virtual PRUint32 Next() = 0;
virtual void Read(char* aBuf, PRUint32 aCount) = 0;
virtual PRBool Match(char* aBuf, PRUint32 aCount) = 0;
virtual void Skip(PRUint32 aCount) = 0;
};
// A reproducible stream of random data.
class RandomStream : public nsITestDataStream {
public:
RandomStream(PRUint32 aSeed) {
mStartSeed = mState = aSeed;
}
PRUint32 GetStartSeed() {
return mStartSeed;
}
PRUint32 Next() {
mState = 1103515245 * mState + 12345;
return mState;
}
void Read(char* aBuf, PRUint32 aCount) {
PRUint32 i;
for (i = 0; i < aCount; i++) {
*aBuf++ = Next();
}
}
PRBool
Match(char* aBuf, PRUint32 aCount) {
PRUint32 i;
for (i = 0; i < aCount; i++) {
if (*aBuf++ != (char)(Next() & 0xff))
return PR_FALSE;
}
return PR_TRUE;
}
void
Skip(PRUint32 aCount) {
while (aCount--)
Next();
}
protected:
PRUint32 mState;
PRUint32 mStartSeed;
};
// A stream of data that increments on each byte that is read, modulo 256
class CounterStream : public nsITestDataStream {
public:
CounterStream(PRUint32 aSeed) {
mStartSeed = mState = aSeed;
}
PRUint32 GetStartSeed() {
return mStartSeed;
}
PRUint32 Next() {
mState += 1;
mState &= 0xff;
return mState;
}
void Read(char* aBuf, PRUint32 aCount) {
PRUint32 i;
for (i = 0; i < aCount; i++) {
*aBuf++ = Next();
}
}
PRBool
Match(char* aBuf, PRUint32 aCount) {
PRUint32 i;
for (i = 0; i < aCount; i++) {
if (*aBuf++ != (char)Next())
return PR_FALSE;
}
return PR_TRUE;
}
void
Skip(PRUint32 aCount) {
mState += aCount;
mState &= 0xff;
}
protected:
PRUint32 mState;
PRUint32 mStartSeed;
};
static int gNumReaders = 0;
static PRUint32 gTotalBytesRead = 0;
static PRUint32 gTotalDuration = 0;
class nsReader : public nsIStreamListener {
public:
NS_DECL_ISUPPORTS
nsReader()
: mStartTime(0), mBytesRead(0)
{
NS_INIT_REFCNT();
gNumReaders++;
}
virtual ~nsReader() {
delete mTestDataStream;
gNumReaders--;
}
nsresult
Init(nsITestDataStream* aRandomStream, PRUint32 aExpectedStreamLength) {
mTestDataStream = aRandomStream;
mExpectedStreamLength = aExpectedStreamLength;
mRefCnt = 1;
return NS_OK;
}
NS_IMETHOD OnStartRequest(nsIRequest *request,
nsISupports* context) {
mStartTime = PR_IntervalNow();
return NS_OK;
}
NS_IMETHOD OnDataAvailable(nsIRequest *request,
nsISupports* context,
nsIInputStream *aIStream,
PRUint32 aSourceOffset,
PRUint32 aLength) {
char buf[1025];
while (aLength > 0) {
PRUint32 amt;
PRBool match;
aIStream->Read(buf, sizeof buf, &amt);
if (amt == 0) break;
aLength -= amt;
mBytesRead += amt;
match = mTestDataStream->Match(buf, amt);
NS_ASSERTION(match, "Stored data was corrupted on read");
}
return NS_OK;
}
NS_IMETHOD OnStopRequest(nsIRequest *request, nsISupports* context,
nsresult aStatus, const PRUnichar* aStatusArg) {
PRIntervalTime endTime;
PRIntervalTime duration;
endTime = PR_IntervalNow();
duration = (endTime - mStartTime);
if (NS_FAILED(aStatus)) printf("channel failed.\n");
// printf("read %d bytes\n", mBytesRead);
NS_ASSERTION(mBytesRead == mExpectedStreamLength,
"Stream in cache is wrong length");
gTotalBytesRead += mBytesRead;
gTotalDuration += duration;
return NS_OK;
}
protected:
PRIntervalTime mStartTime;
PRUint32 mBytesRead;
nsITestDataStream* mTestDataStream;
PRUint32 mExpectedStreamLength;
};
NS_IMPL_ISUPPORTS2(nsReader, nsIStreamListener, nsIStreamObserver)
static nsIEventQueue* eventQueue;
nsresult
InitQueue() {
nsresult rv;
NS_WITH_SERVICE(nsIEventQueueService, eventQService, kEventQueueServiceCID, &rv);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get event queue service");
rv = eventQService->CreateThreadEventQueue();
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't create event queue");
rv = eventQService->GetThreadEventQueue(PR_CurrentThread(), &eventQueue);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get event queue for main thread");
return NS_OK;
}
// Process events until all streams are OnStopRequest'ed
nsresult
WaitForEvents() {
while (gNumReaders) {
eventQueue->ProcessPendingEvents();
}
return NS_OK;
}
// Read data for a single cache record and compare against testDataStream
nsresult
TestReadStream(nsINetDataCacheRecord *record, nsITestDataStream *testDataStream,
PRUint32 expectedStreamLength)
{
nsCOMPtr<nsIChannel> channel;
nsresult rv;
PRUint32 actualContentLength;
rv = record->NewChannel(0, getter_AddRefs(channel));
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
rv = record->GetStoredContentLength(&actualContentLength);
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
NS_ASSERTION(actualContentLength == expectedStreamLength,
"nsINetDataCacheRecord::GetContentLength() busted ?");
nsReader *reader = new nsReader;
rv = reader->Init(testDataStream, expectedStreamLength);
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
rv = channel->AsyncOpen(0, reader);
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
reader->Release();
return NS_OK;
}
// Check that records can be retrieved using their record-ID, in addition
// to using the opaque key.
nsresult
TestRecordID(nsINetDataCache *cache)
{
nsresult rv;
nsCOMPtr<nsINetDataCacheRecord> record;
RandomStream *randomStream;
PRUint32 metaDataLength;
char cacheKey[CACHE_KEY_LENGTH];
char *metaData;
PRUint32 testNum;
PRBool match;
for (testNum = 0; testNum < NUM_CACHE_ENTRIES; testNum++) {
randomStream = new RandomStream(testNum);
randomStream->Read(cacheKey, sizeof cacheKey);
rv = cache->GetCachedNetDataByID(recordID[testNum], getter_AddRefs(record));
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't obtain record using record ID");
// Match against previously stored meta-data
rv = record->GetMetaData(&metaDataLength, &metaData);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get record meta-data");
match = randomStream->Match(metaData, metaDataLength);
NS_ASSERTION(match, "Meta-data corrupted or incorrect");
nsMemory::Free(metaData);
delete randomStream;
}
return NS_OK;
}
// Check that all cache entries in the database are enumerated and that
// no duplicates appear.
nsresult
TestEnumeration(nsINetDataCache *cache)
{
nsresult rv;
nsCOMPtr<nsINetDataCacheRecord> record;
nsCOMPtr<nsISupports> tempISupports;
nsCOMPtr<nsISimpleEnumerator> iterator;
RandomStream *randomStream;
PRUint32 metaDataLength;
char cacheKey[CACHE_KEY_LENGTH];
char *metaData;
PRUint32 testNum;
PRBool match;
PRInt32 recID;
int numRecords = 0;
// Iterate over all records in the cache
rv = cache->NewCacheEntryIterator(getter_AddRefs(iterator));
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't create new cache entry iterator");
PRBool notDone;
while (1) {
// Done iterating ?
rv = iterator->HasMoreElements(&notDone);
if (NS_FAILED(rv)) return rv;
if (!notDone)
break;
// Get next record in iteration
rv = iterator->GetNext(getter_AddRefs(tempISupports));
NS_ASSERTION(NS_SUCCEEDED(rv), "iterator bustage");
record = do_QueryInterface(tempISupports);
numRecords++;
// Get record ID
rv = record->GetRecordID(&recID);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get Record ID");
testNum = mapRecordIdToTestNum(recID);
NS_ASSERTION(testNum != -1, "Corrupted Record ID ?");
// Erase mapping from table, so that duplicate enumerations are detected
recordID[testNum] = -1;
// Make sure stream matches test data
randomStream = new RandomStream(testNum);
randomStream->Read(cacheKey, sizeof cacheKey);
// Match against previously stored meta-data
rv = record->GetMetaData(&metaDataLength, &metaData);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get record meta-data");
match = randomStream->Match(metaData, metaDataLength);
NS_ASSERTION(match, "Meta-data corrupted or incorrect");
nsMemory::Free(metaData);
delete randomStream;
}
NS_ASSERTION(numRecords == NUM_CACHE_ENTRIES, "Iteration bug");
return NS_OK;
}
// Read the test data that was written in FillCache(), checking for
// corruption, truncation.
nsresult
TestRead(nsINetDataCache *cache)
{
nsresult rv;
PRBool inCache;
nsCOMPtr<nsINetDataCacheRecord> record;
RandomStream *randomStream;
PRUint32 metaDataLength;
char cacheKey[CACHE_KEY_LENGTH];
char *metaData, *storedCacheKey;
PRUint32 testNum, storedCacheKeyLength;
PRBool match;
for (testNum = 0; testNum < NUM_CACHE_ENTRIES; testNum++) {
randomStream = new RandomStream(testNum);
randomStream->Read(cacheKey, sizeof cacheKey);
// Ensure that entry is in the cache
rv = cache->Contains(cacheKey, sizeof cacheKey, &inCache);
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
NS_ASSERTION(inCache, "nsINetDataCache::Contains error");
rv = cache->GetCachedNetData(cacheKey, sizeof cacheKey, getter_AddRefs(record));
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
// Match against previously stored meta-data
match = record->GetMetaData(&metaDataLength, &metaData);
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
match = randomStream->Match(metaData, metaDataLength);
NS_ASSERTION(match, "Meta-data corrupted or incorrect");
nsMemory::Free(metaData);
// Test GetKey() method
rv = record->GetKey(&storedCacheKeyLength, &storedCacheKey);
NS_ASSERTION(NS_SUCCEEDED(rv) &&
(storedCacheKeyLength == sizeof cacheKey) &&
!memcmp(storedCacheKey, &cacheKey[0], sizeof cacheKey),
"nsINetDataCacheRecord::GetKey failed");
nsMemory::Free(storedCacheKey);
PRUint32 expectedStreamLength = randomStream->Next() % MAX_CONTENT_LENGTH;
TestReadStream(record, randomStream, expectedStreamLength);
}
WaitForEvents();
// Compute rate in MB/s
double rate = gTotalBytesRead / PR_IntervalToMilliseconds(gTotalDuration);
rate *= NUM_CACHE_ENTRIES;
rate *= 1000;
rate /= (1024 * 1024);
printf("Read %d bytes at a rate of %5.1f MB per second \n",
gTotalBytesRead, rate);
return NS_OK;
}
// Repeatedly call SetStoredContentLength() on a cache entry and make
// read the stream's data to ensure that it's not corrupted by the effect
nsresult
TestTruncation(nsINetDataCache *cache)
{
nsresult rv;
nsCOMPtr<nsINetDataCacheRecord> record;
RandomStream *randomStream;
char cacheKey[CACHE_KEY_LENGTH];
randomStream = new RandomStream(0);
randomStream->Read(cacheKey, sizeof cacheKey);
rv = cache->GetCachedNetData(cacheKey, sizeof cacheKey, getter_AddRefs(record));
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
randomStream->Skip(CACHE_METADATA_LENGTH);
PRUint32 initialStreamLength = randomStream->Next() % MAX_CONTENT_LENGTH;
delete randomStream;
PRUint32 i;
PRUint32 delta = initialStreamLength / 64;
for (i = initialStreamLength; i >= delta; i -= delta) {
PRUint32 expectedStreamLength = i;
// Do the truncation
record->SetStoredContentLength(expectedStreamLength);
randomStream = new RandomStream(0);
randomStream->Skip(CACHE_KEY_LENGTH + CACHE_METADATA_LENGTH + 1);
PRUint32 afterContentLength;
rv = record->GetStoredContentLength(&afterContentLength);
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
NS_ASSERTION(afterContentLength == expectedStreamLength,
"nsINetDataCacheRecord::SetContentLength() failed to truncate record");
TestReadStream(record, randomStream, expectedStreamLength);
WaitForEvents();
}
return NS_OK;
}
// Write known data to random offsets in a single cache entry and test
// resulting stream for correctness.
nsresult
TestOffsetWrites(nsINetDataCache *cache)
{
nsresult rv;
nsCOMPtr<nsINetDataCacheRecord> record;
nsCOMPtr<nsIChannel> channel;
nsCOMPtr<nsIOutputStream> outStream;
char buf[512];
char cacheKey[CACHE_KEY_LENGTH];
RandomStream *randomStream;
randomStream = new RandomStream(0);
randomStream->Read(cacheKey, sizeof cacheKey);
rv = cache->GetCachedNetData(cacheKey, sizeof cacheKey, getter_AddRefs(record));
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't access record via opaque cache key");
// Write buffer-fulls of data at random offsets into the cache entry.
// Data written is (offset % 0xff)
PRUint32 startingOffset;
PRUint32 streamLength = 0;
CounterStream *counterStream;
int i;
for (i = 0; i < 100; i++) {
rv = record->NewChannel(0, getter_AddRefs(channel));
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
startingOffset = streamLength ? streamLength - (randomStream->Next() % sizeof buf): 0;
nsCOMPtr<nsITransport> trans(do_QueryInterface(channel));
rv = trans->OpenOutputStream(startingOffset, -1, 0, getter_AddRefs(outStream));
NS_ASSERTION(NS_SUCCEEDED(rv), "OpenOutputStream failed");
counterStream = new CounterStream(startingOffset);
counterStream->Read(buf, sizeof buf);
PRUint32 numWritten;
rv = outStream->Write(buf, sizeof buf, &numWritten);
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
NS_ASSERTION(numWritten == sizeof buf, "Write() bug?");
streamLength = startingOffset + sizeof buf;
rv = outStream->Close();
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't close channel");
delete counterStream;
}
delete randomStream;
counterStream = new CounterStream(0);
TestReadStream(record, counterStream, streamLength);
WaitForEvents();
return NS_OK;
}
// Create entries in the network data cache, using random data for the
// key, the meta-data and the stored content data.
nsresult
FillCache(nsINetDataCache *cache)
{
nsresult rv;
PRBool inCache;
nsCOMPtr<nsINetDataCacheRecord> record;
nsCOMPtr<nsIChannel> channel;
nsCOMPtr<nsIOutputStream> outStream;
char buf[1000];
PRUint32 metaDataLength;
char cacheKey[CACHE_KEY_LENGTH];
char metaData[CACHE_METADATA_LENGTH];
PRUint32 testNum;
char *data;
RandomStream *randomStream;
PRUint32 totalBytesWritten = 0;
PRIntervalTime startTime = PR_IntervalNow();
for (testNum = 0; testNum < NUM_CACHE_ENTRIES; testNum++) {
randomStream = new RandomStream(testNum);
randomStream->Read(cacheKey, sizeof cacheKey);
// No entry should be in cache until we add it
rv = cache->Contains(cacheKey, sizeof cacheKey, &inCache);
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
NS_ASSERTION(!inCache, "nsINetDataCache::Contains error");
rv = cache->GetCachedNetData(cacheKey, sizeof cacheKey, getter_AddRefs(record));
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't access record via opaque cache key");
// Test nsINetDataCacheRecord::GetRecordID()
rv = record->GetRecordID(&recordID[testNum]);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get Record ID");
// Test nsINetDataCache::GetNumEntries()
PRUint32 numEntries = (PRUint32)-1;
rv = cache->GetNumEntries(&numEntries);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get number of cache entries");
NS_ASSERTION(numEntries == testNum + 1, "GetNumEntries failure");
// Record meta-data should be initially empty
rv = record->GetMetaData(&metaDataLength, &data);
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
if ((metaDataLength != 0) || (data != 0))
return NS_ERROR_FAILURE;
// Store random data as meta-data
randomStream->Read(metaData, sizeof metaData);
record->SetMetaData(sizeof metaData, metaData);
rv = record->NewChannel(0, getter_AddRefs(channel));
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
nsCOMPtr<nsITransport> trans(do_QueryInterface(channel));
rv = trans->OpenOutputStream(0, -1, 0, getter_AddRefs(outStream));
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
PRUint32 beforeOccupancy;
rv = cache->GetStorageInUse(&beforeOccupancy);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get cache occupancy");
int streamLength = randomStream->Next() % MAX_CONTENT_LENGTH;
int remaining = streamLength;
while (remaining) {
PRUint32 numWritten;
int amount = PR_MIN(sizeof buf, remaining);
randomStream->Read(buf, amount);
rv = outStream->Write(buf, amount, &numWritten);
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
NS_ASSERTION(numWritten == (PRUint32)amount, "Write() bug?");
remaining -= amount;
}
outStream->Close();
totalBytesWritten += streamLength;
PRUint32 afterOccupancy;
rv = cache->GetStorageInUse(&afterOccupancy);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get cache occupancy");
PRUint32 streamLengthInKB = streamLength >> 10;
NS_ASSERTION((afterOccupancy - beforeOccupancy) >= streamLengthInKB,
"nsINetDataCache::GetStorageInUse() is busted");
// *Now* there should be an entry in the cache
rv = cache->Contains(cacheKey, sizeof cacheKey, &inCache);
NS_ASSERTION(NS_SUCCEEDED(rv), " ");
NS_ASSERTION(inCache, "nsINetDataCache::Contains error");
delete randomStream;
}
PRIntervalTime endTime = PR_IntervalNow();
// Compute rate in MB/s
double rate = totalBytesWritten / PR_IntervalToMilliseconds(endTime - startTime);
rate *= 1000;
rate /= (1024 * 1024);
printf("Wrote %7d bytes at a rate of %5.1f MB per second \n",
totalBytesWritten, rate);
return NS_OK;
}
nsresult NS_AutoregisterComponents()
{
nsresult rv = nsComponentManager::AutoRegister(nsIComponentManager::NS_Startup,
NULL /* default */);
return rv;
}
PRBool initPref ()
{
nsresult rv;
NS_WITH_SERVICE(nsIPref, prefPtr, kPrefCID, &rv);
if (NS_FAILED(rv))
return false;
nsCOMPtr<nsIFileSpec> fileSpec;
rv = NS_NewFileSpec (getter_AddRefs(fileSpec));
if (NS_FAILED(rv))
return false;
nsCString defaultPrefFile(PR_GetEnv ("MOZILLA_FIVE_HOME"));
if (defaultPrefFile.Length())
defaultPrefFile += "/";
else
defaultPrefFile = "./";
defaultPrefFile += "default_prefs.js";
fileSpec->SetUnixStyleFilePath (defaultPrefFile.GetBuffer());
PRBool exists = false;
fileSpec->Exists(&exists);
if (exists)
prefPtr->ReadUserPrefsFrom(fileSpec);
else
return false;
return true;
}
int
main(int argc, char* argv[])
{
nsresult rv;
if(argc <2) {
printf(" %s -f to test filecache\n", argv[0]) ;
printf(" %s -m to test memcache\n", argv[0]) ;
return -1 ;
}
nsCOMPtr<nsINetDataCache> cache;
rv = NS_AutoregisterComponents();
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't register XPCOM components");
if (PL_strcasecmp(argv[1], "-m") == 0) {
rv = nsComponentManager::CreateInstance(kMemCacheCID, nsnull,
NS_GET_IID(nsINetDataCache),
getter_AddRefs(cache));
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't create memory cache factory");
} else if (PL_strcasecmp(argv[1], "-f") == 0) {
// initialize pref
initPref() ;
rv = nsComponentManager::CreateInstance(kDiskCacheCID, nsnull,
NS_GET_IID(nsINetDataCache),
getter_AddRefs(cache));
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't create disk cache factory") ;
} else {
printf(" %s -f to test filecache\n", argv[0]) ;
printf(" %s -m to test memcache\n", argv[0]) ;
return -1 ;
}
InitQueue();
PRUnichar* description;
rv = cache->GetDescription(&description);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get cache description");
nsCAutoString descStr; descStr.AssignWithConversion(description);
printf("Testing: %s\n", descStr.GetBuffer());
rv = cache->RemoveAll();
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't clear cache");
PRUint32 startOccupancy;
rv = cache->GetStorageInUse(&startOccupancy);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get cache occupancy");
PRUint32 numEntries = (PRUint32)-1;
rv = cache->GetNumEntries(&numEntries);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get number of cache entries");
NS_ASSERTION(numEntries == 0, "Couldn't clear cache");
rv = FillCache(cache);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't fill cache with random test data");
rv = TestRead(cache);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't read random test data from cache");
rv = TestRecordID(cache);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't index records using record ID");
rv = TestEnumeration(cache);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't successfully enumerate records");
rv = TestTruncation(cache);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't successfully truncate records");
rv = TestOffsetWrites(cache);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't successfully write to records using non-zero offsets");
rv = cache->RemoveAll();
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't clear cache");
rv = cache->GetNumEntries(&numEntries);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get number of cache entries");
NS_ASSERTION(numEntries == 0, "Couldn't clear cache");
PRUint32 endOccupancy;
rv = cache->GetStorageInUse(&endOccupancy);
NS_ASSERTION(NS_SUCCEEDED(rv), "Couldn't get cache occupancy");
NS_ASSERTION(startOccupancy == endOccupancy, "Cache occupancy not correctly computed ?");
return 0;
}
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