46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
// Copyright 2015 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef COMPONENTS_NACL_BROWSER_BAD_MESSAGE_H_
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#define COMPONENTS_NACL_BROWSER_BAD_MESSAGE_H_
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namespace content {
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class BrowserMessageFilter;
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}
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namespace nacl {
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namespace bad_message {
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// The browser process often chooses to terminate a renderer if it receives
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// a bad IPC message. The reasons are tracked for metrics.
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//
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// See also content/browser/bad_message.h.
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//
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// NOTE: Do not remove or reorder elements in this list. Add new entries at the
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// end. Items may be renamed but do not change the values. We rely on the enum
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// values in histograms.
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enum BadMessageReason {
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NFH_OPEN_EXECUTABLE_BAD_ROUTING_ID = 0,
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NHMF_LAUNCH_CONTINUATION_BAD_ROUTING_ID = 1,
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NHMF_GET_NEXE_FD_BAD_URL = 2,
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// Please add new elements here. The naming convention is abbreviated class
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// name (e.g. NaclHostMessageFilter becomes NHMF) plus a unique description of
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// the reason. After making changes, you MUST update histograms.xml by
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// running:
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// "python tools/metrics/histograms/update_bad_message_reasons.py"
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BAD_MESSAGE_MAX
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};
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// Called when a browser message filter receives a bad IPC message from a
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// renderer or other child process. Logs the event, records a histogram metric
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// for the |reason|, and terminates the process for |filter|.
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void ReceivedBadMessage(content::BrowserMessageFilter* filter,
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BadMessageReason reason);
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} // namespace bad_message
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} // namespace nacl
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#endif // COMPONENTS_NACL_BROWSER_BAD_MESSAGE_H_
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