зеркало из https://github.com/mozilla/gecko-dev.git
616 строки
17 KiB
C++
616 строки
17 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsIThread.h"
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#include "nsIRunnable.h"
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#if 0 // obsolete old implementation
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#include "nsIByteBufferInputStream.h"
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#endif
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#ifdef OLD_BUFFERS
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#include "nsIBuffer.h"
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#endif
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#include "nsIBufferInputStream.h"
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#include "nsIBufferOutputStream.h"
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#include "nsIServiceManager.h"
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#include "prprf.h"
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#include "prinrval.h"
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#include "plstr.h"
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#include "nsCRT.h"
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#include "nsCOMPtr.h"
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#include <stdio.h>
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#include "nsIPipe.h" // new implementation
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#include "nsAutoLock.h"
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#include <stdlib.h> // for rand
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#define KEY 0xa7
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#define ITERATIONS 33333
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char kTestPattern[] = "My hovercraft is full of eels.\n";
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PRBool gTrace = PR_FALSE;
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class nsReceiver : public nsIRunnable {
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public:
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NS_DECL_ISUPPORTS
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NS_IMETHOD Run() {
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nsresult rv;
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char buf[101];
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PRUint32 count;
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PRIntervalTime start = PR_IntervalNow();
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while (PR_TRUE) {
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rv = mIn->Read(buf, 100, &count);
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if (NS_FAILED(rv)) {
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printf("read failed\n");
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break;
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}
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if (count == 0) {
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// printf("EOF count = %d\n", mCount);
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break;
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}
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if (gTrace) {
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printf("read: ");
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buf[count] = '\0';
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printf(buf);
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printf("\n");
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}
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mCount += count;
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}
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PRIntervalTime end = PR_IntervalNow();
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printf("read %d bytes, time = %dms\n", mCount,
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PR_IntervalToMilliseconds(end - start));
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return rv;
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}
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nsReceiver(nsIInputStream* in) : mIn(in), mCount(0) {
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NS_INIT_REFCNT();
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NS_ADDREF(in);
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}
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virtual ~nsReceiver() {
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NS_RELEASE(mIn);
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}
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PRUint32 GetBytesRead() { return mCount; }
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protected:
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nsIInputStream* mIn;
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PRUint32 mCount;
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};
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NS_IMPL_ISUPPORTS(nsReceiver, nsIRunnable::GetIID());
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nsresult
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TestPipe(nsIInputStream* in, nsIOutputStream* out)
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{
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nsresult rv;
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nsIThread* thread;
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nsReceiver* receiver = new nsReceiver(in);
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if (receiver == nsnull) return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(receiver);
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rv = NS_NewThread(&thread, receiver);
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if (NS_FAILED(rv)) return rv;
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PRUint32 total = 0;
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PRIntervalTime start = PR_IntervalNow();
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for (PRUint32 i = 0; i < ITERATIONS; i++) {
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PRUint32 writeCount;
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char* buf = PR_smprintf("%d %s", i, kTestPattern);
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rv = out->Write(buf, nsCRT::strlen(buf), &writeCount);
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if (gTrace) {
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printf("wrote: ");
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for (PRUint32 j = 0; j < writeCount; j++) {
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putc(buf[j], stdout);
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}
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printf("\n");
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}
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PR_smprintf_free(buf);
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if (NS_FAILED(rv)) return rv;
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total += writeCount;
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}
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rv = out->Close();
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if (NS_FAILED(rv)) return rv;
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PRIntervalTime end = PR_IntervalNow();
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thread->Join();
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printf("wrote %d bytes, time = %dms\n", total,
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PR_IntervalToMilliseconds(end - start));
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NS_ASSERTION(receiver->GetBytesRead() == total, "didn't read everything");
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NS_RELEASE(thread);
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NS_RELEASE(receiver);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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class nsShortReader : public nsIRunnable {
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public:
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NS_DECL_ISUPPORTS
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NS_IMETHOD Run() {
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nsresult rv;
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char buf[101];
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PRUint32 count;
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PRUint32 total = 0;
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while (PR_TRUE) {
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rv = mIn->Read(buf, 100, &count);
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if (NS_FAILED(rv)) {
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printf("read failed\n");
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break;
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}
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if (count == 0) {
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break;
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}
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buf[count] = '\0';
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if (gTrace)
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printf("read %d bytes: %s\n", count, buf);
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Received(count);
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total += count;
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}
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printf("read %d bytes\n", total);
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return rv;
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}
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nsShortReader(nsIInputStream* in) : mIn(in), mReceived(0) {
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NS_INIT_REFCNT();
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NS_ADDREF(in);
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}
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virtual ~nsShortReader() {
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NS_RELEASE(mIn);
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}
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void Received(PRUint32 count) {
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nsAutoCMonitor mon(this);
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mReceived += count;
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mon.Notify();
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}
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PRUint32 WaitForReceipt() {
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PRUint32 result = mReceived;
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nsAutoCMonitor mon(this);
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if (mReceived == 0) {
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mon.Wait();
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NS_ASSERTION(mReceived >= 0, "failed to receive");
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result = mReceived;
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}
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mReceived = 0;
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return result;
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}
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protected:
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nsIInputStream* mIn;
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PRUint32 mReceived;
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};
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NS_IMPL_ISUPPORTS(nsShortReader, nsIRunnable::GetIID());
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nsresult
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TestShortWrites(nsIInputStream* in, nsIOutputStream* out)
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{
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nsresult rv;
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nsIThread* thread;
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nsShortReader* receiver = new nsShortReader(in);
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if (receiver == nsnull) return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(receiver);
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rv = NS_NewThread(&thread, receiver);
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if (NS_FAILED(rv)) return rv;
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PRUint32 total = 0;
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for (PRUint32 i = 0; i < ITERATIONS; i++) {
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PRUint32 writeCount;
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char* buf = PR_smprintf("%d %s", i, kTestPattern);
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PRUint32 len = nsCRT::strlen(buf);
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len = len * rand() / RAND_MAX;
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len = PR_MAX(1, len);
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rv = out->Write(buf, len, &writeCount);
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if (NS_FAILED(rv)) return rv;
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NS_ASSERTION(writeCount == len, "didn't write enough");
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total += writeCount;
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if (gTrace)
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printf("wrote %d bytes: %s\n", writeCount, buf);
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PR_smprintf_free(buf);
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out->Flush();
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PRUint32 received = receiver->WaitForReceipt();
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NS_ASSERTION(received == writeCount, "received wrong amount");
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}
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rv = out->Close();
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if (NS_FAILED(rv)) return rv;
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thread->Join();
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printf("wrote %d bytes\n", total);
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NS_RELEASE(thread);
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NS_RELEASE(receiver);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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class nsPipeObserver : public nsIPipeObserver {
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public:
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NS_DECL_ISUPPORTS
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NS_IMETHOD OnFull(nsIPipe *pipe) {
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printf("OnFull pipe=%p\n", pipe);
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return NS_OK;
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}
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NS_IMETHOD OnWrite(nsIPipe *pipe, PRUint32 amount) {
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printf("OnWrite pipe=%p amount=%d\n", pipe, amount);
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return NS_OK;
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}
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NS_IMETHOD OnEmpty(nsIPipe *pipe) {
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printf("OnEmpty pipe=%p\n", pipe);
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return NS_OK;
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}
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nsPipeObserver() { NS_INIT_REFCNT(); }
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virtual ~nsPipeObserver() {}
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};
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NS_IMPL_ISUPPORTS(nsPipeObserver, nsIPipeObserver::GetIID());
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nsresult
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TestPipeObserver()
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{
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nsresult rv;
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nsPipeObserver* obs = new nsPipeObserver();
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if (obs == nsnull) return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(obs);
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printf("TestPipeObserver: OnWrite, OnFull and OnEmpty should be called once each.\n");
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nsIBufferInputStream* in;
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nsIBufferOutputStream* out;
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rv = NS_NewPipe(&in, &out, obs, 20, 20);
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if (NS_FAILED(rv)) return rv;
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rv = in->SetNonBlocking(PR_TRUE);
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if (NS_FAILED(rv)) return rv;
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rv = out->SetNonBlocking(PR_TRUE);
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if (NS_FAILED(rv)) return rv;
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char buf[] = "puirt a beul: a style of Gaelic vocal music intended for dancing.";
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PRUint32 cnt;
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// this should print OnWrite message:
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rv = out->Write(buf, 20, &cnt);
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if (NS_FAILED(rv)) return rv;
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NS_ASSERTION(cnt == 20, "Write failed");
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// this should print OnFull message:
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rv = out->Write(buf + 20, 1, &cnt);
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if (NS_FAILED(rv) && rv != NS_BASE_STREAM_WOULD_BLOCK) return rv;
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NS_ASSERTION(cnt == 0 && rv == NS_BASE_STREAM_WOULD_BLOCK, "Write failed");
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char buf2[20];
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rv = in->Read(buf2, 20, &cnt);
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if (NS_FAILED(rv)) return rv;
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NS_ASSERTION(cnt == 20, "Read failed");
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NS_ASSERTION(nsCRT::strncmp(buf, buf2, 20) == 0, "Read wrong stuff");
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// this should print OnEmpty message:
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rv = in->Read(buf2, 1, &cnt);
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if (NS_FAILED(rv) && rv != NS_BASE_STREAM_WOULD_BLOCK) return rv;
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NS_ASSERTION(cnt == 0 && rv == NS_BASE_STREAM_WOULD_BLOCK, "Read failed");
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NS_RELEASE(obs);
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NS_RELEASE(in);
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NS_RELEASE(out);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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class nsPump : public nsIPipeObserver, public nsIRunnable {
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public:
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NS_DECL_ISUPPORTS
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NS_IMETHOD OnFull(nsIPipe *pipe) {
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printf("OnFull pipe=%p\n", pipe);
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nsAutoCMonitor mon(this);
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mon.Notify();
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return NS_OK;
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}
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NS_IMETHOD OnWrite(nsIPipe *pipe, PRUint32 amount) {
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printf("OnWrite pipe=%p amount=%d\n", pipe, amount);
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return NS_OK;
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}
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NS_IMETHOD OnEmpty(nsIPipe *pipe) {
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printf("OnEmpty pipe=%p\n", pipe);
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nsAutoCMonitor mon(this);
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mon.Notify();
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return NS_OK;
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}
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NS_IMETHOD Run() {
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nsresult rv;
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PRUint32 count;
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while (PR_TRUE) {
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nsAutoCMonitor mon(this);
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rv = mOut->WriteFrom(mIn, -1, &count);
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if (NS_FAILED(rv)) {
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printf("Write failed\n");
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break;
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}
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if (count == 0) {
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printf("EOF count = %d\n", mCount);
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break;
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}
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if (gTrace) {
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printf("Wrote: %d\n", count);
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}
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mCount += count;
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}
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mOut->Close();
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return rv;
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}
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nsPump(nsIBufferInputStream* in,
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nsIBufferOutputStream* out)
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: mIn(in), mOut(out), mCount(0) {
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NS_INIT_REFCNT();
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}
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virtual ~nsPump() {
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}
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protected:
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nsCOMPtr<nsIBufferInputStream> mIn;
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nsCOMPtr<nsIBufferOutputStream> mOut;
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PRUint32 mCount;
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};
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NS_IMPL_ADDREF(nsPump);
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NS_IMPL_RELEASE(nsPump);
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NS_IMETHODIMP
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nsPump::QueryInterface(REFNSIID aIID,
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void** aInstancePtr)
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{
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// not used in this test
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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TestChainedPipes()
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{
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nsresult rv;
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printf("TestChainedPipes\n");
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nsIBufferInputStream* in1;
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nsIBufferOutputStream* out1;
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rv = NS_NewPipe(&in1, &out1, nsnull, 20, 1999);
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if (NS_FAILED(rv)) return rv;
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nsIBufferInputStream* in2;
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nsIBufferOutputStream* out2;
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rv = NS_NewPipe(&in2, &out2, nsnull, 200, 401);
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if (NS_FAILED(rv)) return rv;
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nsIThread* thread;
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nsPump* pump = new nsPump(in1, out2);
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if (pump == nsnull) return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(pump);
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rv = NS_NewThread(&thread, pump);
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if (NS_FAILED(rv)) return rv;
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nsIThread* receiverThread;
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nsReceiver* receiver = new nsReceiver(in2);
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if (receiver == nsnull) return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(receiver);
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rv = NS_NewThread(&receiverThread, receiver);
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if (NS_FAILED(rv)) return rv;
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PRUint32 total = 0;
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for (PRUint32 i = 0; i < ITERATIONS; i++) {
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PRUint32 writeCount;
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char* buf = PR_smprintf("%d %s", i, kTestPattern);
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PRUint32 len = nsCRT::strlen(buf);
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len = len * rand() / RAND_MAX;
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len = PR_MAX(1, len);
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rv = out1->Write(buf, len, &writeCount);
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if (NS_FAILED(rv)) return rv;
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NS_ASSERTION(writeCount == len, "didn't write enough");
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total += writeCount;
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if (gTrace)
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printf("wrote %d bytes: %s\n", writeCount, buf);
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//out1->Flush(); // wakes up the pump
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PR_smprintf_free(buf);
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}
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printf("wrote total of %d bytes\n", total);
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rv = out1->Close();
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if (NS_FAILED(rv)) return rv;
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thread->Join();
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receiverThread->Join();
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NS_RELEASE(thread);
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NS_RELEASE(pump);
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NS_RELEASE(receiverThread);
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NS_RELEASE(receiver);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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void
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RunTests(PRUint32 segSize, PRUint32 segCount)
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{
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nsresult rv;
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nsIBufferInputStream* in;
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nsIBufferOutputStream* out;
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PRUint32 bufSize;
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#ifdef OLD_BUFFERS
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bufSize = (segSize + nsIBuffer::SEGMENT_OVERHEAD) * segCount;
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printf("Testing Old Pipes: segment size %d buffer size %d\n", segSize, segSize * segCount);
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printf("Testing long writes...\n");
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rv = NS_NewPipe(&in, &out, segSize + nsIBuffer::SEGMENT_OVERHEAD, bufSize, PR_TRUE, nsnull);
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NS_ASSERTION(NS_SUCCEEDED(rv), "NS_NewPipe failed");
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rv = TestPipe(in, out);
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NS_RELEASE(in);
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NS_RELEASE(out);
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NS_ASSERTION(NS_SUCCEEDED(rv), "TestPipe failed");
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printf("Testing short writes...\n");
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rv = NS_NewPipe(&in, &out, segSize + nsIBuffer::SEGMENT_OVERHEAD, bufSize, PR_TRUE, nsnull);
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NS_ASSERTION(NS_SUCCEEDED(rv), "NS_NewPipe failed");
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rv = TestShortWrites(in, out);
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NS_RELEASE(in);
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NS_RELEASE(out);
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NS_ASSERTION(NS_SUCCEEDED(rv), "TestPipe failed");
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#endif
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bufSize = segSize * segCount;
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printf("Testing New Pipes: segment size %d buffer size %d\n", segSize, bufSize);
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printf("Testing long writes...\n");
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rv = NS_NewPipe(&in, &out, nsnull, segSize, bufSize);
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NS_ASSERTION(NS_SUCCEEDED(rv), "NS_NewPipe failed");
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rv = TestPipe(in, out);
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NS_RELEASE(in);
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NS_RELEASE(out);
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NS_ASSERTION(NS_SUCCEEDED(rv), "TestPipe failed");
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printf("Testing short writes...\n");
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rv = NS_NewPipe(&in, &out, nsnull, segSize, bufSize);
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NS_ASSERTION(NS_SUCCEEDED(rv), "NS_NewPipe failed");
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rv = TestShortWrites(in, out);
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NS_RELEASE(in);
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NS_RELEASE(out);
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NS_ASSERTION(NS_SUCCEEDED(rv), "TestPipe failed");
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}
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////////////////////////////////////////////////////////////////////////////////
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void
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TestSearch(const char* delim, PRUint32 segSize)
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{
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nsresult rv;
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// need at least 2 segments to test boundary conditions:
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PRUint32 bufDataSize = segSize * 2;
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PRUint32 bufSize = segSize * 2;
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nsIBufferInputStream* in;
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nsIBufferOutputStream* out;
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rv = NS_NewPipe(&in, &out, nsnull, segSize, bufSize);
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NS_ASSERTION(NS_SUCCEEDED(rv), "NS_NewPipe failed");
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out->SetNonBlocking(PR_TRUE);
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PRUint32 i, j, amt;
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PRUint32 delimLen = nsCRT::strlen(delim);
|
|
for (i = 0; i < bufDataSize; i++) {
|
|
// first fill the buffer
|
|
for (j = 0; j < i; j++) {
|
|
rv = out->Write("-", 1, &amt);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv) && amt == 1, "Write failed");
|
|
}
|
|
rv = out->Write(delim, delimLen, &amt);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Write failed");
|
|
if (i + amt < bufDataSize) {
|
|
for (j = i + amt; j < bufDataSize; j++) {
|
|
rv = out->Write("+", 1, &amt);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv) && amt == 1, "Write failed");
|
|
}
|
|
}
|
|
|
|
// now search for the delimiter
|
|
PRBool found;
|
|
PRUint32 offset;
|
|
rv = in->Search(delim, PR_FALSE, &found, &offset);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Search failed");
|
|
|
|
// print the results
|
|
char* bufferContents = new char[bufDataSize + 1];
|
|
rv = in->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_RELEASE(in);
|
|
NS_RELEASE(out);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifdef DEBUG
|
|
extern NS_COM void
|
|
TestSegmentedBuffer();
|
|
#endif
|
|
|
|
int
|
|
main(int argc, char* argv[])
|
|
{
|
|
nsresult rv;
|
|
nsIServiceManager* servMgr;
|
|
|
|
rv = NS_InitXPCOM(&servMgr);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
if (argc > 1 && nsCRT::strcmp(argv[1], "-trace") == 0)
|
|
gTrace = PR_TRUE;
|
|
|
|
#ifdef DEBUG
|
|
TestSegmentedBuffer();
|
|
#endif
|
|
|
|
#if 0 // obsolete old implementation
|
|
rv = NS_NewPipe(&in, &out, PR_TRUE, 4096 * 4);
|
|
if (NS_FAILED(rv)) {
|
|
printf("NewPipe failed\n");
|
|
return -1;
|
|
}
|
|
|
|
rv = TestPipe(in, out);
|
|
NS_RELEASE(in);
|
|
NS_RELEASE(out);
|
|
if (NS_FAILED(rv)) {
|
|
printf("TestPipe failed\n");
|
|
return -1;
|
|
}
|
|
#endif
|
|
TestSearch("foo", 8);
|
|
TestSearch("bar", 6);
|
|
TestSearch("baz", 2);
|
|
|
|
rv = TestPipeObserver();
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestPipeObserver failed");
|
|
rv = TestChainedPipes();
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "TestChainedPipes failed");
|
|
RunTests(16, 1);
|
|
RunTests(4096, 16);
|
|
return 0;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|