mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 04:05:49 +00:00
394 lines
11 KiB
C++
394 lines
11 KiB
C++
/* -*- 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 1.1 (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):
|
|
* Pierre Phaneuf <pp@ludusdesign.com>
|
|
*/
|
|
|
|
#include "nsIBuffer.h"
|
|
#include "nsIThread.h"
|
|
#include "nsIComponentManager.h"
|
|
#include "nsIServiceManager.h"
|
|
#include "nsAutoLock.h"
|
|
#include "nsIPageManager.h"
|
|
#include "nsCRT.h"
|
|
#include "prprf.h"
|
|
#include "prmem.h"
|
|
#include "prinrval.h"
|
|
#include <stdio.h>
|
|
|
|
PRBool gVerbose = PR_FALSE;
|
|
|
|
class Reader : public nsIRunnable {
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_IMETHOD Run() {
|
|
nsresult rv;
|
|
nsAutoCMonitor mon(this);
|
|
|
|
char buf[100];
|
|
PRUint32 readCnt;
|
|
const char* readBuf;
|
|
rv = mReadBuffer->GetReadSegment(0, &readBuf, &readCnt);
|
|
if (NS_FAILED(rv)) return rv;
|
|
while (!(mDone && readCnt == 0)) {
|
|
rv = mReadBuffer->Read(buf, 99, &readCnt);
|
|
if (NS_FAILED(rv)) {
|
|
printf("read failed\n");
|
|
return rv;
|
|
}
|
|
if (readCnt == 0) {
|
|
if (mDone)
|
|
break;
|
|
mon.Notify(); // wake up writer
|
|
mon.Wait(); // wait for more
|
|
rv = mReadBuffer->GetReadSegment(0, &readBuf, &readCnt);
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
else {
|
|
if (gVerbose) {
|
|
buf[readCnt] = 0;
|
|
printf(buf);
|
|
}
|
|
mBytesRead += readCnt;
|
|
}
|
|
}
|
|
if (gVerbose)
|
|
printf("reader done\n");
|
|
return rv;
|
|
}
|
|
|
|
Reader(nsIBuffer* readBuffer)
|
|
: mReadBuffer(readBuffer), mBytesRead(0), mDone(PR_FALSE) {
|
|
NS_INIT_REFCNT();
|
|
NS_ADDREF(mReadBuffer);
|
|
}
|
|
|
|
virtual ~Reader() {
|
|
NS_RELEASE(mReadBuffer);
|
|
if (gVerbose)
|
|
printf("bytes read = %d\n", mBytesRead);
|
|
}
|
|
|
|
void SetEOF() {
|
|
mDone = PR_TRUE;
|
|
}
|
|
|
|
PRUint32 GetBytesRead() { return mBytesRead; }
|
|
|
|
protected:
|
|
nsIBuffer* mReadBuffer;
|
|
PRUint32 mBytesRead;
|
|
PRBool mDone;
|
|
};
|
|
|
|
NS_IMPL_ISUPPORTS(Reader, NS_GET_IID(nsIRunnable));
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#define ITERATIONS 20000
|
|
|
|
nsresult
|
|
WriteMessages(nsIBuffer* buffer)
|
|
{
|
|
nsresult rv;
|
|
nsIThread* thread;
|
|
Reader* reader = new Reader(buffer);
|
|
NS_ADDREF(reader);
|
|
rv = NS_NewThread(&thread, reader, 0, PR_JOINABLE_THREAD);
|
|
if (NS_FAILED(rv)) {
|
|
printf("failed to create thread\n");
|
|
return rv;
|
|
}
|
|
|
|
char* mem = nsnull;
|
|
char* buf = nsnull;
|
|
PRUint32 total = 0;
|
|
PRUint32 cnt = 0;
|
|
PRUint32 bufLen = 0;
|
|
PRIntervalTime start = PR_IntervalNow();
|
|
for (PRUint32 i = 0; i < ITERATIONS;) {
|
|
if (bufLen == 0) {
|
|
PR_FREEIF(mem);
|
|
mem = PR_smprintf("%d. My hovercraft is full of eels.\n", i);
|
|
buf = mem;
|
|
NS_ASSERTION(buf, "out of memory");
|
|
bufLen = nsCRT::strlen(buf);
|
|
i++;
|
|
}
|
|
rv = buffer->Write(buf, bufLen, &cnt);
|
|
if (NS_FAILED(rv)) {
|
|
printf("failed to write %d\n", i);
|
|
return rv;
|
|
}
|
|
if (cnt == 0) {
|
|
nsAutoCMonitor mon(reader);
|
|
mon.Notify(); // wake up reader
|
|
mon.Wait(); // and wait for reader to read all
|
|
}
|
|
else {
|
|
total += cnt;
|
|
buf += cnt;
|
|
bufLen -= cnt;
|
|
}
|
|
}
|
|
|
|
PR_FREEIF(mem);
|
|
{
|
|
reader->SetEOF();
|
|
nsAutoCMonitor mon(reader);
|
|
mon.Notify(); // wake up reader
|
|
}
|
|
|
|
if (NS_FAILED(rv)) return rv;
|
|
rv = thread->Join();
|
|
PRIntervalTime end = PR_IntervalNow();
|
|
if (NS_FAILED(rv)) return rv;
|
|
printf("writer done: %d bytes %d ms\n", total,
|
|
PR_IntervalToMilliseconds(end - start));
|
|
NS_ASSERTION(reader->GetBytesRead() == total, "didn't read everything");
|
|
|
|
NS_RELEASE(reader);
|
|
NS_RELEASE(thread);
|
|
NS_RELEASE(buffer);
|
|
return NS_OK;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
nsresult
|
|
TestMallocBuffers(PRUint32 growByPages, PRUint32 pageCount)
|
|
{
|
|
nsresult rv;
|
|
nsIBuffer* buffer;
|
|
printf("Malloc Buffer Test: %d pages, grow by %d pages\n",
|
|
pageCount, growByPages);
|
|
rv = NS_NewBuffer(&buffer,
|
|
NS_PAGEMGR_PAGE_SIZE * growByPages,
|
|
NS_PAGEMGR_PAGE_SIZE * pageCount,
|
|
nsnull);
|
|
if (NS_FAILED(rv)) {
|
|
printf("failed to create buffer\n");
|
|
return rv;
|
|
}
|
|
|
|
rv = WriteMessages(buffer);
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
TestPageBuffers(PRUint32 growByPages, PRUint32 pageCount)
|
|
{
|
|
nsresult rv;
|
|
nsIBuffer* buffer;
|
|
printf("Page Buffer Test: %d pages, grow by %d pages\n",
|
|
pageCount, growByPages);
|
|
rv = NS_NewPageBuffer(&buffer,
|
|
NS_PAGEMGR_PAGE_SIZE * growByPages,
|
|
NS_PAGEMGR_PAGE_SIZE * pageCount,
|
|
nsnull);
|
|
if (NS_FAILED(rv)) {
|
|
printf("failed to create buffer\n");
|
|
return rv;
|
|
}
|
|
|
|
rv = WriteMessages(buffer);
|
|
return rv;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void
|
|
TestSearch(const char* delim, PRUint32 segDataSize)
|
|
{
|
|
nsresult rv;
|
|
nsIBuffer* buffer;
|
|
// need at least 2 segments to test boundary conditions:
|
|
PRUint32 bufDataSize = segDataSize * 2;
|
|
PRUint32 segSize = segDataSize + nsIBuffer::SEGMENT_OVERHEAD;
|
|
PRUint32 bufSize = segSize * 2;
|
|
rv = NS_NewBuffer(&buffer, segSize, bufSize, nsnull);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "NewBuffer failed");
|
|
|
|
PRUint32 i, j, amt;
|
|
PRUint32 delimLen = nsCRT::strlen(delim);
|
|
for (i = 0; i < bufDataSize; i++) {
|
|
// first fill the buffer
|
|
for (j = 0; j < i; j++) {
|
|
rv = buffer->Write("-", 1, &amt);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv) && amt == 1, "Write failed");
|
|
}
|
|
rv = buffer->Write(delim, delimLen, &amt);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Write failed");
|
|
if (i + amt < bufDataSize) {
|
|
for (j = i + amt; j < bufDataSize; j++) {
|
|
rv = buffer->Write("+", 1, &amt);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv) && amt == 1, "Write failed");
|
|
}
|
|
}
|
|
|
|
// now search for the delimiter
|
|
PRBool found;
|
|
PRUint32 offset;
|
|
rv = buffer->Search(delim, PR_FALSE, &found, &offset);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Search failed");
|
|
|
|
// print the results
|
|
char* bufferContents = new char[bufDataSize + 1];
|
|
rv = buffer->Read(bufferContents, bufDataSize, &amt);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv) && amt == bufDataSize, "Read failed");
|
|
bufferContents[bufDataSize] = '\0';
|
|
printf("Buffer: %s\nDelim: %s %s offset: %d\n", bufferContents,
|
|
delim, (found ? "found" : "not found"), offset);
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
NS_METHOD
|
|
FailingReader(void* closure,
|
|
char* toRawSegment,
|
|
PRUint32 fromOffset,
|
|
PRUint32 count,
|
|
PRUint32 *readCount)
|
|
{
|
|
nsresult* rv = (nsresult*)closure;
|
|
*readCount = 0;
|
|
return *rv;
|
|
}
|
|
|
|
nsresult
|
|
TestWriteSegments(nsresult error)
|
|
{
|
|
nsresult rv;
|
|
nsIBuffer* buffer;
|
|
printf("WriteSegments Test: error %x\n", error);
|
|
rv = NS_NewBuffer(&buffer, 10, 10, nsnull);
|
|
if (NS_FAILED(rv)) {
|
|
printf("failed to create buffer\n");
|
|
return rv;
|
|
}
|
|
|
|
PRUint32 writeCount;
|
|
rv = buffer->WriteSegments(FailingReader, &error, 1, &writeCount);
|
|
NS_ASSERTION(rv == error, "WriteSegments failed");
|
|
|
|
NS_RELEASE(buffer);
|
|
return NS_OK;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
NS_METHOD
|
|
FailingWriter(void* closure,
|
|
const char* fromRawSegment,
|
|
PRUint32 toOffset,
|
|
PRUint32 count,
|
|
PRUint32 *writeCount)
|
|
{
|
|
nsresult* rv = (nsresult*)closure;
|
|
*writeCount = 0;
|
|
return *rv;
|
|
}
|
|
|
|
nsresult
|
|
TestReadSegments(nsresult error)
|
|
{
|
|
nsresult rv;
|
|
nsIBuffer* buffer;
|
|
printf("ReadSegments Test: error %x\n", error);
|
|
rv = NS_NewBuffer(&buffer, 10, 10, nsnull);
|
|
if (NS_FAILED(rv)) {
|
|
printf("failed to create buffer\n");
|
|
return rv;
|
|
}
|
|
|
|
PRUint32 writeCount;
|
|
rv = buffer->Write("x", 1, &writeCount);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv) && writeCount == 1, "Write failed");
|
|
|
|
PRUint32 readCount;
|
|
rv = buffer->ReadSegments(FailingWriter, &error, 1, &readCount);
|
|
NS_ASSERTION(rv == error, "ReadSegments failed");
|
|
|
|
NS_RELEASE(buffer);
|
|
return NS_OK;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
int
|
|
main(int argc, char* argv[])
|
|
{
|
|
nsresult rv;
|
|
nsIServiceManager* servMgr;
|
|
|
|
if (argc >= 2 && nsCRT::strcmp(argv[1], "-verbose") == 0) {
|
|
gVerbose = PR_TRUE;
|
|
}
|
|
|
|
rv = NS_InitXPCOM(&servMgr, NULL);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv = TestWriteSegments(NS_OK);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestWriteSegments failed");
|
|
rv = TestWriteSegments(NS_ERROR_FAILURE);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestWriteSegments failed");
|
|
rv = TestWriteSegments(NS_BASE_STREAM_CLOSED);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestWriteSegments failed");
|
|
rv = TestWriteSegments(NS_BASE_STREAM_WOULD_BLOCK);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestWriteSegments failed");
|
|
|
|
rv = TestReadSegments(NS_OK);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestReadSegments failed");
|
|
rv = TestReadSegments(NS_ERROR_FAILURE);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestReadSegments failed");
|
|
// rv = TestReadSegments(NS_BASE_STREAM_CLOSED);
|
|
// NS_ASSERTION(NS_SUCCEEDED(rv), "TestReadSegments failed");
|
|
rv = TestReadSegments(NS_BASE_STREAM_WOULD_BLOCK);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestReadSegments failed");
|
|
|
|
rv = TestMallocBuffers(1, 1);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestMallocBuffers failed");
|
|
|
|
rv = TestPageBuffers(1, 1);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestPageBuffers failed");
|
|
|
|
rv = TestMallocBuffers(1, 10);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestMallocBuffers failed");
|
|
|
|
rv = TestPageBuffers(1, 10);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestPageBuffers failed");
|
|
|
|
rv = TestMallocBuffers(5, 10);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestMallocBuffers failed");
|
|
|
|
rv = TestPageBuffers(5, 10);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestPageBuffers failed");
|
|
|
|
TestSearch("foo", 8);
|
|
TestSearch("bar", 6);
|
|
TestSearch("baz", 2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|