mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-23 21:01:08 +00:00
Bug 1581067 - P2 - Extract similar to reuse the code; r=asuth
Differential Revision: https://phabricator.services.mozilla.com/D46780 --HG-- extra : moz-landing-system : lando
This commit is contained in:
Tom Tung
parent
8c5237086f
commit
6621347502
273
dom/cache/FileUtils.cpp
vendored
273
dom/cache/FileUtils.cpp
vendored
@ -358,72 +358,41 @@ nsresult BodyMaybeUpdatePaddingSize(const QuotaInfo& aQuotaInfo,
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nsresult BodyDeleteFiles(const QuotaInfo& aQuotaInfo, nsIFile* aBaseDir,
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const nsTArray<nsID>& aIdList) {
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nsresult rv = NS_OK;
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for (uint32_t i = 0; i < aIdList.Length(); ++i) {
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nsCOMPtr<nsIFile> tmpFile;
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rv = BodyIdToFile(aBaseDir, aIdList[i], BODY_FILE_TMP,
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getter_AddRefs(tmpFile));
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for (const auto id : aIdList) {
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nsCOMPtr<nsIFile> bodyDir;
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rv = BodyGetCacheDir(aBaseDir, id, getter_AddRefs(bodyDir));
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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rv = RemoveNsIFile(aQuotaInfo, tmpFile);
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// Only treat file deletion as a hard failure in DEBUG builds. Users
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// can unfortunately hit this on windows if anti-virus is scanning files,
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// etc.
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MOZ_ASSERT(NS_SUCCEEDED(rv));
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const auto removeFileForId = [&aQuotaInfo, &id](nsIFile* bodyFile,
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const nsACString& leafName,
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bool& fileDeleted) {
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MOZ_DIAGNOSTIC_ASSERT(bodyFile);
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nsCOMPtr<nsIFile> finalFile;
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rv = BodyIdToFile(aBaseDir, aIdList[i], BODY_FILE_FINAL,
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getter_AddRefs(finalFile));
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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nsCOMPtr<nsIFile> bodyDirectory;
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rv = finalFile->GetParent(getter_AddRefs(bodyDirectory));
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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rv = RemoveNsIFile(aQuotaInfo, finalFile);
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// Again, only treat removal as hard failure in debug build.
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MOZ_ASSERT(NS_SUCCEEDED(rv));
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// Checking if the directory is empty or not. If it's, then remove the
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// directory as well.
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nsCOMPtr<nsIDirectoryEnumerator> entries;
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rv = bodyDirectory->GetDirectoryEntries(getter_AddRefs(entries));
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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bool isEmpty = true;
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nsCOMPtr<nsIFile> file;
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while (NS_SUCCEEDED(rv = entries->GetNextFile(getter_AddRefs(file))) &&
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file) {
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nsAutoCString leafName;
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rv = file->GetNativeLeafName(leafName);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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nsID fileId;
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if (NS_WARN_IF(!fileId.Parse(leafName.BeginReading()))) {
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DebugOnly<nsresult> result =
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RemoveNsIFile(aQuotaInfo, bodyFile, /* aTrackQuota */ false);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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fileDeleted = true;
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return NS_OK;
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}
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if (StringEndsWith(leafName, NS_LITERAL_CSTRING(".tmp")) ||
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StringEndsWith(leafName, NS_LITERAL_CSTRING(".final"))) {
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isEmpty = false;
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break;
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if (id.Equals(fileId)) {
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DebugOnly<nsresult> result = RemoveNsIFile(aQuotaInfo, bodyFile);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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fileDeleted = true;
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return NS_OK;
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}
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}
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fileDeleted = false;
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return NS_OK;
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};
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rv = BodyTraverseFiles(aQuotaInfo, bodyDir, removeFileForId);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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if (isEmpty) {
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DebugOnly<nsresult> result =
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RemoveNsIFileRecursively(aQuotaInfo, bodyDirectory,
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/* aTrackQuota */ false);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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}
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}
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return NS_OK;
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@ -566,83 +535,34 @@ nsresult BodyDeleteOrphanedFiles(const QuotaInfo& aQuotaInfo, nsIFile* aBaseDir,
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continue;
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}
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nsCOMPtr<nsIDirectoryEnumerator> subEntries;
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rv = subdir->GetDirectoryEntries(getter_AddRefs(subEntries));
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const auto removeOrphanedFiles =
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[&aQuotaInfo, &aKnownBodyIdList](
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nsIFile* bodyFile, const nsACString& leafName, bool& fileDeleted) {
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MOZ_DIAGNOSTIC_ASSERT(bodyFile);
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// Finally, parse the uuid out of the name. If its fails to parse,
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// the ignore the file.
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nsID id;
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if (NS_WARN_IF(!id.Parse(leafName.BeginReading()))) {
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DebugOnly<nsresult> result = RemoveNsIFile(aQuotaInfo, bodyFile);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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fileDeleted = true;
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return NS_OK;
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}
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if (!aKnownBodyIdList.Contains(id)) {
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DebugOnly<nsresult> result = RemoveNsIFile(aQuotaInfo, bodyFile);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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fileDeleted = true;
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return NS_OK;
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}
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fileDeleted = false;
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return NS_OK;
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};
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rv = BodyTraverseFiles(aQuotaInfo, subdir, removeOrphanedFiles);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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bool isEmpty = true;
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// Now iterate over all the files in the subdir
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nsCOMPtr<nsIFile> file;
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while (NS_SUCCEEDED(rv = subEntries->GetNextFile(getter_AddRefs(file))) &&
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file) {
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bool isDirectory = false;
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rv = file->IsDirectory(&isDirectory);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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// If it's a directory somehow, try to remove it and move on
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if (isDirectory) {
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DebugOnly<nsresult> result =
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RemoveNsIFileRecursively(aQuotaInfo, file, /* aTrackQuota */ false);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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continue;
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}
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nsAutoCString leafName;
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rv = file->GetNativeLeafName(leafName);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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// Delete all tmp files regardless of known bodies. These are all
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// considered orphans.
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if (StringEndsWith(leafName, NS_LITERAL_CSTRING(".tmp"))) {
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DebugOnly<nsresult> result = RemoveNsIFile(aQuotaInfo, file);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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continue;
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}
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nsCString suffix(NS_LITERAL_CSTRING(".final"));
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// Otherwise, it must be a .final file. If its not, then try to remove it
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// and move on
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if (NS_WARN_IF(!StringEndsWith(leafName, suffix) ||
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leafName.Length() != NSID_LENGTH - 1 + suffix.Length())) {
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DebugOnly<nsresult> result = RemoveNsIFile(aQuotaInfo, file);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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continue;
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}
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// Finally, parse the uuid out of the name. If its fails to parse,
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// the ignore the file.
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nsID id;
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if (NS_WARN_IF(!id.Parse(leafName.BeginReading()))) {
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DebugOnly<nsresult> result =
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RemoveNsIFile(aQuotaInfo, file, /* aTrackQuota */ false);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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continue;
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}
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if (!aKnownBodyIdList.Contains(id)) {
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DebugOnly<nsresult> result = RemoveNsIFile(aQuotaInfo, file);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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continue;
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}
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isEmpty = false;
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}
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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if (isEmpty) {
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DebugOnly<nsresult> result =
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RemoveNsIFileRecursively(aQuotaInfo, subdir, /* aTrackQuota */ false);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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}
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}
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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@ -651,6 +571,101 @@ nsresult BodyDeleteOrphanedFiles(const QuotaInfo& aQuotaInfo, nsIFile* aBaseDir,
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return rv;
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}
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template <typename Func>
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nsresult BodyTraverseFiles(const QuotaInfo& aQuotaInfo, nsIFile* aBodyDir,
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const Func& aHandleFileFunc,
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const bool aTrackQuota) {
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MOZ_DIAGNOSTIC_ASSERT(aBodyDir);
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nsresult rv;
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#ifdef MOZ_DIAGNOSTIC_ASSERT_ENABLED
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nsCOMPtr<nsIFile> parentFile;
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rv = aBodyDir->GetParent(getter_AddRefs(parentFile));
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MOZ_DIAGNOSTIC_ASSERT(NS_SUCCEEDED(rv));
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MOZ_DIAGNOSTIC_ASSERT(parentFile);
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nsAutoCString nativeLeafName;
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rv = parentFile->GetNativeLeafName(nativeLeafName);
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MOZ_DIAGNOSTIC_ASSERT(NS_SUCCEEDED(rv));
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MOZ_DIAGNOSTIC_ASSERT(
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StringEndsWith(nativeLeafName, NS_LITERAL_CSTRING("morgue")));
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#endif
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nsCOMPtr<nsIDirectoryEnumerator> entries;
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rv = aBodyDir->GetDirectoryEntries(getter_AddRefs(entries));
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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bool isEmpty = true;
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nsCOMPtr<nsIFile> file;
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while (NS_SUCCEEDED(rv = entries->GetNextFile(getter_AddRefs(file))) &&
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file) {
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bool isDir = false;
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rv = file->IsDirectory(&isDir);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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// If it's a directory somehow, try to remove it and move on
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if (NS_WARN_IF(isDir)) {
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DebugOnly<nsresult> result =
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RemoveNsIFileRecursively(aQuotaInfo, file, /* aTrackQuota */ false);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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continue;
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}
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nsAutoCString leafName;
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rv = file->GetNativeLeafName(leafName);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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// Delete all tmp files regardless of known bodies. These are all
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// considered orphans.
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if (StringEndsWith(leafName, NS_LITERAL_CSTRING(".tmp"))) {
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DebugOnly<nsresult> result = RemoveNsIFile(aQuotaInfo, file, aTrackQuota);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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continue;
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}
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nsCString suffix(NS_LITERAL_CSTRING(".final"));
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// Otherwise, it must be a .final file. If its not, then try to remove it
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// and move on
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if (NS_WARN_IF(!StringEndsWith(leafName, suffix) ||
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leafName.Length() != NSID_LENGTH - 1 + suffix.Length())) {
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DebugOnly<nsresult> result =
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RemoveNsIFile(aQuotaInfo, file, /* aTrackQuota */ false);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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continue;
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}
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bool fileDeleted;
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rv = aHandleFileFunc(file, leafName, fileDeleted);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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if (fileDeleted) {
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continue;
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}
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isEmpty = false;
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}
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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if (isEmpty) {
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DebugOnly<nsresult> result =
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RemoveNsIFileRecursively(aQuotaInfo, aBodyDir, /* aTrackQuota */ false);
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MOZ_ASSERT(NS_SUCCEEDED(result));
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}
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return rv;
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}
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namespace {
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nsresult GetMarkerFileHandle(const QuotaInfo& aQuotaInfo, nsIFile** aFileOut) {
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5
dom/cache/FileUtils.h
vendored
5
dom/cache/FileUtils.h
vendored
@ -58,6 +58,11 @@ nsresult BodyDeleteFiles(const QuotaInfo& aQuotaInfo, nsIFile* aBaseDir,
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nsresult BodyDeleteOrphanedFiles(const QuotaInfo& aQuotaInfo, nsIFile* aBaseDir,
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nsTArray<nsID>& aKnownBodyIdList);
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template <typename Func>
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nsresult BodyTraverseFiles(const QuotaInfo& aQuotaInfo, nsIFile* aBodyDir,
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const Func& aHandleFileFunc,
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const bool aTrackQuota = true);
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nsresult CreateMarkerFile(const QuotaInfo& aQuotaInfo);
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nsresult DeleteMarkerFile(const QuotaInfo& aQuotaInfo);
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54
dom/cache/QuotaClient.cpp
vendored
54
dom/cache/QuotaClient.cpp
vendored
@ -68,56 +68,30 @@ static nsresult GetBodyUsage(nsIFile* aMorgueDir, const Atomic<bool>& aCanceled,
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continue;
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}
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nsCOMPtr<nsIDirectoryEnumerator> subEntries;
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rv = bodyDir->GetDirectoryEntries(getter_AddRefs(subEntries));
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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bool isEmpty = true;
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nsCOMPtr<nsIFile> bodyFile;
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while (
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NS_SUCCEEDED(rv = subEntries->GetNextFile(getter_AddRefs(bodyFile))) &&
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bodyFile && !aCanceled) {
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bool isDirectory;
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rv = bodyFile->IsDirectory(&isDirectory);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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if (isDirectory) {
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QuotaInfo dummy;
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mozilla::DebugOnly<nsresult> result =
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RemoveNsIFileRecursively(dummy, bodyFile, /* aTrackQuota */ false);
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// Try to remove the unexpected files, and keep moving on even if it
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// fails because it might be created by virus or the operation system
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MOZ_ASSERT(NS_SUCCEEDED(result));
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continue;
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}
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isEmpty = false;
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const QuotaInfo dummy;
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const auto getUsage = [&aUsageInfo](nsIFile* bodyFile,
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const nsACString& leafName,
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bool& fileDeleted) {
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MOZ_DIAGNOSTIC_ASSERT(bodyFile);
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Unused << leafName;
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int64_t fileSize;
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rv = bodyFile->GetFileSize(&fileSize);
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nsresult rv = bodyFile->GetFileSize(&fileSize);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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MOZ_DIAGNOSTIC_ASSERT(fileSize >= 0);
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aUsageInfo->AppendToFileUsage(Some(fileSize));
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}
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fileDeleted = false;
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return NS_OK;
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};
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rv = mozilla::dom::cache::BodyTraverseFiles(dummy, bodyDir, getUsage,
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/* aTrackQuota */ false);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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if (isEmpty) {
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QuotaInfo dummy;
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mozilla::DebugOnly<nsresult> result =
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RemoveNsIFileRecursively(dummy, bodyDir, /* aTrackQuota */ false);
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// Try to remove the unexpected files, and keep moving on even if it
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// fails because it might be created by virus or the operation system
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MOZ_ASSERT(NS_SUCCEEDED(result));
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}
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}
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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