firefox-main/devtools/shared/heapsnapshot/HeapSnapshotTempFileHelperParent.cpp (file symbol)

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/devtools/HeapSnapshot.h"
#include "mozilla/devtools/HeapSnapshotTempFileHelperParent.h"
#include "mozilla/dom/ChromeUtils.h"
#include "mozilla/ErrorResult.h"
#include "private/pprio.h"
#include "nsIFile.h"
namespace mozilla {
namespace devtools {
static bool openFileFailure(ErrorResult& rv,
OpenHeapSnapshotTempFileResponse* outResponse) {
*outResponse = rv.StealNSResult();
return true;
}
mozilla::ipc::IPCResult
HeapSnapshotTempFileHelperParent::RecvOpenHeapSnapshotTempFile(
OpenHeapSnapshotTempFileResponse* outResponse) {
if (!dom::ChromeUtils::IsDevToolsOpened()) {
return IPC_FAIL_NO_REASON(this);
}
auto start = TimeStamp::Now();
ErrorResult rv;
nsAutoString filePath;
nsAutoString snapshotId;
nsCOMPtr<nsIFile> file =
HeapSnapshot::CreateUniqueCoreDumpFile(rv, start, filePath, snapshotId);
if (NS_WARN_IF(rv.Failed())) {
if (!openFileFailure(rv, outResponse)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
PRFileDesc* prfd;
rv = file->OpenNSPRFileDesc(PR_WRONLY, 0, &prfd);
if (NS_WARN_IF(rv.Failed())) {
if (!openFileFailure(rv, outResponse)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
FileDescriptor::PlatformHandleType handle =
FileDescriptor::PlatformHandleType(PR_FileDesc2NativeHandle(prfd));
FileDescriptor fd(handle);
*outResponse = OpenedFile(filePath, snapshotId, fd);
return IPC_OK();
}
} // namespace devtools
} // namespace mozilla