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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_BAD_MESSAGE_H_
#define CONTENT_BROWSER_BAD_MESSAGE_H_
namespace content {
class RenderProcessHost;
namespace bad_message {
// The browser process often chooses to terminate a renderer if it receives
// a bad IPC message. The reasons are tracked for metrics.
//
// Content embedders should implement their own bad message statistics but
// should use similar histogram names to make analysis easier.
//
// NOTE: Do not remove or reorder elements in this list. Add new entries at the
// end. Items may be renamed but do not change the values. We rely on the enum
// values in histograms.
enum BadMessageReason {
NC_IN_PAGE_NAVIGATION = 0,
RFH_CAN_COMMIT_URL_BLOCKED,
RFH_CAN_ACCESS_FILES_OF_PAGE_STATE,
RFH_SANDBOX_FLAGS,
RFH_NO_PROXY_TO_PARENT,
RPH_DESERIALIZATION_FAILED,
RVH_CAN_ACCESS_FILES_OF_PAGE_STATE,
RVH_FILE_CHOOSER_PATH,
RWH_SYNTHETIC_GESTURE,
RWH_FOCUS,
RWH_BLUR,
RWH_SHARED_BITMAP,
RWH_BAD_ACK_MESSAGE,
RWHVA_SHARED_MEMORY,
SERVICE_WORKER_BAD_URL,
WC_INVALID_FRAME_SOURCE,
RWHVM_UNEXPECTED_FRAME_TYPE,
RFPH_DETACH,
DFH_BAD_EMBEDDER_MESSAGE,
NC_AUTO_SUBFRAME,
// Please add new elements here. The naming convention is abbreviated class
// name (e.g. RenderFrameHost becomes RFH) plus a unique description of the
// reason.
BAD_MESSAGE_MAX
};
// Called when the browser receives a bad IPC message from a renderer process.
// Logs the event, records a histogram metric for the |reason|, and terminates
// the process for |host|.
void ReceivedBadMessage(RenderProcessHost* host, BadMessageReason reason);
} // namespace bad_message
} // namespace content
#endif // CONTENT_BROWSER_BAD_MESSAGE_H_
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