mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-06-03 01:29:38 +00:00
155 lines
4.7 KiB
C++
155 lines
4.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsTraceRefcnt.h"
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// if NS_BUILD_REFCNT_LOGGING isn't defined, don't try to build
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#ifdef NS_BUILD_REFCNT_LOGGING
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#include "nsAboutBloat.h"
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#include "nsContentUtils.h"
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#include "nsStringStream.h"
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#include "nsDOMString.h"
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#include "nsIURI.h"
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#include "nsCOMPtr.h"
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#include "prtime.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsIFile.h"
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static void GC_gcollect() {}
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NS_IMPL_ISUPPORTS(nsAboutBloat, nsIAboutModule)
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NS_IMETHODIMP
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nsAboutBloat::NewChannel(nsIURI* aURI,
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nsILoadInfo* aLoadInfo,
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nsIChannel** result)
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{
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NS_ENSURE_ARG_POINTER(aURI);
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nsresult rv;
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nsAutoCString path;
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rv = aURI->GetPath(path);
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if (NS_FAILED(rv)) return rv;
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nsTraceRefcnt::StatisticsType statType = nsTraceRefcnt::ALL_STATS;
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bool clear = false;
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bool leaks = false;
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int32_t pos = path.Find("?");
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if (pos > 0) {
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nsAutoCString param;
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(void)path.Right(param, path.Length() - (pos+1));
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if (param.EqualsLiteral("new"))
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statType = nsTraceRefcnt::NEW_STATS;
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else if (param.EqualsLiteral("clear"))
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clear = true;
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else if (param.EqualsLiteral("leaks"))
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leaks = true;
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}
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nsCOMPtr<nsIInputStream> inStr;
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if (clear) {
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nsTraceRefcnt::ResetStatistics();
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rv = NS_NewCStringInputStream(getter_AddRefs(inStr),
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NS_LITERAL_CSTRING("Bloat statistics cleared."));
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if (NS_FAILED(rv)) return rv;
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}
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else if (leaks) {
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// dump the current set of leaks.
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GC_gcollect();
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rv = NS_NewCStringInputStream(getter_AddRefs(inStr),
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NS_LITERAL_CSTRING("Memory leaks dumped."));
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if (NS_FAILED(rv)) return rv;
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}
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else {
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nsCOMPtr<nsIFile> file;
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rv = NS_GetSpecialDirectory(NS_OS_CURRENT_PROCESS_DIR,
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getter_AddRefs(file));
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if (NS_FAILED(rv)) return rv;
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rv = file->AppendNative(NS_LITERAL_CSTRING("bloatlogs"));
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if (NS_FAILED(rv)) return rv;
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bool exists;
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rv = file->Exists(&exists);
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if (NS_FAILED(rv)) return rv;
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if (!exists) {
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// On all the platforms that I know use permissions,
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// directories need to have the executable flag set
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// if you want to do anything inside the directory.
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rv = file->Create(nsIFile::DIRECTORY_TYPE, 0755);
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if (NS_FAILED(rv)) return rv;
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}
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nsAutoCString dumpFileName;
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if (statType == nsTraceRefcnt::ALL_STATS)
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dumpFileName.AssignLiteral("all-");
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else
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dumpFileName.AssignLiteral("new-");
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PRExplodedTime expTime;
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PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &expTime);
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char time[128];
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PR_FormatTimeUSEnglish(time, 128, "%Y-%m-%d-%H%M%S.txt", &expTime);
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dumpFileName += time;
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rv = file->AppendNative(dumpFileName);
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if (NS_FAILED(rv)) return rv;
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FILE* out;
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rv = file->OpenANSIFileDesc("w", &out);
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if (NS_FAILED(rv)) return rv;
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rv = nsTraceRefcnt::DumpStatistics(statType, out);
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::fclose(out);
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if (NS_FAILED(rv)) return rv;
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rv = NS_NewLocalFileInputStream(getter_AddRefs(inStr), file);
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if (NS_FAILED(rv)) return rv;
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}
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nsIChannel* channel = nullptr;
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rv = NS_NewInputStreamChannelInternal(&channel,
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aURI,
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inStr,
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NS_LITERAL_CSTRING("text/plain"),
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NS_LITERAL_CSTRING("utf-8"),
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aLoadInfo);
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if (NS_FAILED(rv)) return rv;
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*result = channel;
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return rv;
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}
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NS_IMETHODIMP
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nsAboutBloat::GetURIFlags(nsIURI *aURI, uint32_t *result)
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{
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*result = 0;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsAboutBloat::GetIndexedDBOriginPostfix(nsIURI *aURI, nsAString &result)
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{
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SetDOMStringToNull(result);
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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nsAboutBloat::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
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{
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nsAboutBloat* about = new nsAboutBloat();
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if (about == nullptr)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(about);
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nsresult rv = about->QueryInterface(aIID, aResult);
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NS_RELEASE(about);
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return rv;
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}
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////////////////////////////////////////////////////////////////////////////////
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#endif /* NS_BUILD_REFCNT_LOGGING */
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