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Bug 1155371 - Include DOMMediaStream and MediaSource object URLs in memory reports. r=khuey

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This commit is contained in:
Eric Rahm 2015-04-16 16:20:03 -07:00
parent 0453bd0a88
commit e557395f6d
1 changed files with 59 additions and 28 deletions
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87
dom/base/nsHostObjectProtocolHandler.cpp
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@ -163,6 +163,43 @@ class BlobURLsReporter final : public nsIMemoryReporter
return PL_DHASH_NEXT;
}
static void BuildPath(nsAutoCString& path,
nsCStringHashKey::KeyType aKey,
DataInfo* aInfo,
bool anonymize)
{
nsCOMPtr<nsIURI> principalURI;
nsAutoCString url, owner;
if (NS_SUCCEEDED(aInfo->mPrincipal->GetURI(getter_AddRefs(principalURI))) &&
principalURI != nullptr &&
NS_SUCCEEDED(principalURI->GetSpec(owner)) &&
!owner.IsEmpty()) {
owner.ReplaceChar('/', '\\');
path += "owner(";
if (anonymize) {
path += "<anonymized>";
} else {
path += owner;
}
path += ")";
} else {
path += "owner unknown";
}
path += "/";
if (anonymize) {
path += "<anonymized-stack>";
} else {
path += aInfo->mStack;
}
url = aKey;
url.ReplaceChar('/', '\\');
if (anonymize) {
path += "<anonymized-url>";
} else {
path += url;
}
}
static PLDHashOperator ReportCallback(nsCStringHashKey::KeyType aKey,
DataInfo* aInfo,
void* aUserArg)
@ -195,34 +232,8 @@ class BlobURLsReporter final : public nsIMemoryReporter
}
path = isMemoryFile ? "memory-blob-urls/" : "file-blob-urls/";
if (NS_SUCCEEDED(aInfo->mPrincipal->GetURI(getter_AddRefs(principalURI))) &&
principalURI != nullptr &&
NS_SUCCEEDED(principalURI->GetSpec(owner)) &&
!owner.IsEmpty()) {
owner.ReplaceChar('/', '\\');
path += "owner(";
if (envp->mAnonymize) {
path += "<anonymized>";
} else {
path += owner;
}
path += ")";
} else {
path += "owner unknown";
}
path += "/";
if (envp->mAnonymize) {
path += "<anonymized-stack>";
} else {
path += aInfo->mStack;
}
url = aKey;
url.ReplaceChar('/', '\\');
if (envp->mAnonymize) {
path += "<anonymized-url>";
} else {
path += url;
}
BuildPath(path, aKey, aInfo, envp->mAnonymize);
if (refCount > 1) {
nsAutoCString addrStr;
@ -268,7 +279,27 @@ class BlobURLsReporter final : public nsIMemoryReporter
descString,
envp->mData);
}
} else {
// Just report the path for the DOMMediaStream or MediaSource.
nsCOMPtr<mozilla::dom::MediaSource> ms(do_QueryInterface(aInfo->mObject));
nsAutoCString path;
path = ms ? "media-source-urls/" : "dom-media-stream-urls/";
BuildPath(path, aKey, aInfo, envp->mAnonymize);
NS_NAMED_LITERAL_CSTRING
(desc, "An object URL allocated with URL.createObjectURL; the referenced "
"data cannot be freed until all URLs for it have been explicitly "
"invalidated with URL.revokeObjectURL.");
envp->mCallback->Callback(EmptyCString(),
path,
KIND_OTHER,
UNITS_COUNT,
1,
desc,
envp->mData);
}
return PL_DHASH_NEXT;
}
};