1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/protocol/about/nsAboutBloat.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,140 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "nsTraceRefcnt.h"
1.10 +
1.11 +// if NS_BUILD_REFCNT_LOGGING isn't defined, don't try to build
1.12 +#ifdef NS_BUILD_REFCNT_LOGGING
1.13 +
1.14 +#include "nsAboutBloat.h"
1.15 +#include "nsStringStream.h"
1.16 +#include "nsIURI.h"
1.17 +#include "nsCOMPtr.h"
1.18 +#include "nsNetUtil.h"
1.19 +#include "nsDirectoryServiceDefs.h"
1.20 +#include "nsIFile.h"
1.21 +
1.22 +static void GC_gcollect() {}
1.23 +
1.24 +NS_IMPL_ISUPPORTS(nsAboutBloat, nsIAboutModule)
1.25 +
1.26 +NS_IMETHODIMP
1.27 +nsAboutBloat::NewChannel(nsIURI *aURI, nsIChannel **result)
1.28 +{
1.29 + NS_ENSURE_ARG_POINTER(aURI);
1.30 + nsresult rv;
1.31 + nsAutoCString path;
1.32 + rv = aURI->GetPath(path);
1.33 + if (NS_FAILED(rv)) return rv;
1.34 +
1.35 + nsTraceRefcnt::StatisticsType statType = nsTraceRefcnt::ALL_STATS;
1.36 + bool clear = false;
1.37 + bool leaks = false;
1.38 +
1.39 + int32_t pos = path.Find("?");
1.40 + if (pos > 0) {
1.41 + nsAutoCString param;
1.42 + (void)path.Right(param, path.Length() - (pos+1));
1.43 + if (param.EqualsLiteral("new"))
1.44 + statType = nsTraceRefcnt::NEW_STATS;
1.45 + else if (param.EqualsLiteral("clear"))
1.46 + clear = true;
1.47 + else if (param.EqualsLiteral("leaks"))
1.48 + leaks = true;
1.49 + }
1.50 +
1.51 + nsCOMPtr<nsIInputStream> inStr;
1.52 + if (clear) {
1.53 + nsTraceRefcnt::ResetStatistics();
1.54 +
1.55 + rv = NS_NewCStringInputStream(getter_AddRefs(inStr),
1.56 + NS_LITERAL_CSTRING("Bloat statistics cleared."));
1.57 + if (NS_FAILED(rv)) return rv;
1.58 + }
1.59 + else if (leaks) {
1.60 + // dump the current set of leaks.
1.61 + GC_gcollect();
1.62 +
1.63 + rv = NS_NewCStringInputStream(getter_AddRefs(inStr),
1.64 + NS_LITERAL_CSTRING("Memory leaks dumped."));
1.65 + if (NS_FAILED(rv)) return rv;
1.66 + }
1.67 + else {
1.68 + nsCOMPtr<nsIFile> file;
1.69 + rv = NS_GetSpecialDirectory(NS_OS_CURRENT_PROCESS_DIR,
1.70 + getter_AddRefs(file));
1.71 + if (NS_FAILED(rv)) return rv;
1.72 +
1.73 + rv = file->AppendNative(NS_LITERAL_CSTRING("bloatlogs"));
1.74 + if (NS_FAILED(rv)) return rv;
1.75 +
1.76 + bool exists;
1.77 + rv = file->Exists(&exists);
1.78 + if (NS_FAILED(rv)) return rv;
1.79 +
1.80 + if (!exists) {
1.81 + // On all the platforms that I know use permissions,
1.82 + // directories need to have the executable flag set
1.83 + // if you want to do anything inside the directory.
1.84 + rv = file->Create(nsIFile::DIRECTORY_TYPE, 0755);
1.85 + if (NS_FAILED(rv)) return rv;
1.86 + }
1.87 +
1.88 + nsAutoCString dumpFileName;
1.89 + if (statType == nsTraceRefcnt::ALL_STATS)
1.90 + dumpFileName.AssignLiteral("all-");
1.91 + else
1.92 + dumpFileName.AssignLiteral("new-");
1.93 + PRExplodedTime expTime;
1.94 + PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &expTime);
1.95 + char time[128];
1.96 + PR_FormatTimeUSEnglish(time, 128, "%Y-%m-%d-%H%M%S.txt", &expTime);
1.97 + dumpFileName += time;
1.98 + rv = file->AppendNative(dumpFileName);
1.99 + if (NS_FAILED(rv)) return rv;
1.100 +
1.101 + FILE* out;
1.102 + rv = file->OpenANSIFileDesc("w", &out);
1.103 + if (NS_FAILED(rv)) return rv;
1.104 +
1.105 + rv = nsTraceRefcnt::DumpStatistics(statType, out);
1.106 + ::fclose(out);
1.107 + if (NS_FAILED(rv)) return rv;
1.108 +
1.109 + rv = NS_NewLocalFileInputStream(getter_AddRefs(inStr), file);
1.110 + if (NS_FAILED(rv)) return rv;
1.111 + }
1.112 +
1.113 + nsIChannel* channel = nullptr;
1.114 + rv = NS_NewInputStreamChannel(&channel, aURI, inStr,
1.115 + NS_LITERAL_CSTRING("text/plain"),
1.116 + NS_LITERAL_CSTRING("utf-8"));
1.117 + if (NS_FAILED(rv)) return rv;
1.118 +
1.119 + *result = channel;
1.120 + return rv;
1.121 +}
1.122 +
1.123 +NS_IMETHODIMP
1.124 +nsAboutBloat::GetURIFlags(nsIURI *aURI, uint32_t *result)
1.125 +{
1.126 + *result = 0;
1.127 + return NS_OK;
1.128 +}
1.129 +
1.130 +nsresult
1.131 +nsAboutBloat::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
1.132 +{
1.133 + nsAboutBloat* about = new nsAboutBloat();
1.134 + if (about == nullptr)
1.135 + return NS_ERROR_OUT_OF_MEMORY;
1.136 + NS_ADDREF(about);
1.137 + nsresult rv = about->QueryInterface(aIID, aResult);
1.138 + NS_RELEASE(about);
1.139 + return rv;
1.140 +}
1.141 +
1.142 +////////////////////////////////////////////////////////////////////////////////
1.143 +#endif /* NS_BUILD_REFCNT_LOGGING */
