136 lines
5.0 KiB
C++
136 lines
5.0 KiB
C++
// Copyright (c) 2010 Google Inc.
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived from
|
|
// this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
#ifndef CLIENT_LINUX_CRASH_GENERATION_CRASH_GENERATION_SERVER_H_
|
|
#define CLIENT_LINUX_CRASH_GENERATION_CRASH_GENERATION_SERVER_H_
|
|
|
|
#include <pthread.h>
|
|
|
|
#include <string>
|
|
|
|
#include "common/using_std_string.h"
|
|
|
|
namespace google_breakpad {
|
|
|
|
class ClientInfo;
|
|
|
|
class CrashGenerationServer {
|
|
public:
|
|
// WARNING: callbacks may be invoked on a different thread
|
|
// than that which creates the CrashGenerationServer. They must
|
|
// be thread safe.
|
|
typedef void (*OnClientDumpRequestCallback)(void* context,
|
|
const ClientInfo* client_info,
|
|
const string* file_path);
|
|
|
|
typedef void (*OnClientExitingCallback)(void* context,
|
|
const ClientInfo* client_info);
|
|
|
|
// Create an instance with the given parameters.
|
|
//
|
|
// Parameter listen_fd: The server fd created by CreateReportChannel().
|
|
// Parameter dump_callback: Callback for a client crash dump request.
|
|
// Parameter dump_context: Context for client crash dump request callback.
|
|
// Parameter exit_callback: Callback for client process exit.
|
|
// Parameter exit_context: Context for client exit callback.
|
|
// Parameter generate_dumps: Whether to automatically generate dumps.
|
|
// Client code of this class might want to generate dumps explicitly
|
|
// in the crash dump request callback. In that case, false can be
|
|
// passed for this parameter.
|
|
// Parameter dump_path: Path for generating dumps; required only if true is
|
|
// passed for generateDumps parameter; NULL can be passed otherwise.
|
|
CrashGenerationServer(const int listen_fd,
|
|
OnClientDumpRequestCallback dump_callback,
|
|
void* dump_context,
|
|
OnClientExitingCallback exit_callback,
|
|
void* exit_context,
|
|
bool generate_dumps,
|
|
const string* dump_path);
|
|
|
|
~CrashGenerationServer();
|
|
|
|
// Perform initialization steps needed to start listening to clients.
|
|
//
|
|
// Return true if initialization is successful; false otherwise.
|
|
bool Start();
|
|
|
|
// Stop the server.
|
|
void Stop();
|
|
|
|
// Create a "channel" that can be used by clients to report crashes
|
|
// to a CrashGenerationServer. |*server_fd| should be passed to
|
|
// this class's constructor, and |*client_fd| should be passed to
|
|
// the ExceptionHandler constructor in the client process.
|
|
static bool CreateReportChannel(int* server_fd, int* client_fd);
|
|
|
|
private:
|
|
// Run the server's event loop
|
|
void Run();
|
|
|
|
// Invoked when an child process (client) event occurs
|
|
// Returning true => "keep running", false => "exit loop"
|
|
bool ClientEvent(short revents);
|
|
|
|
// Invoked when the controlling thread (main) event occurs
|
|
// Returning true => "keep running", false => "exit loop"
|
|
bool ControlEvent(short revents);
|
|
|
|
// Return a unique filename at which a minidump can be written
|
|
bool MakeMinidumpFilename(string& outFilename);
|
|
|
|
// Trampoline to |Run()|
|
|
static void* ThreadMain(void* arg);
|
|
|
|
int server_fd_;
|
|
|
|
OnClientDumpRequestCallback dump_callback_;
|
|
void* dump_context_;
|
|
|
|
OnClientExitingCallback exit_callback_;
|
|
void* exit_context_;
|
|
|
|
bool generate_dumps_;
|
|
|
|
string dump_dir_;
|
|
|
|
bool started_;
|
|
|
|
pthread_t thread_;
|
|
int control_pipe_in_;
|
|
int control_pipe_out_;
|
|
|
|
// disable these
|
|
CrashGenerationServer(const CrashGenerationServer&);
|
|
CrashGenerationServer& operator=(const CrashGenerationServer&);
|
|
};
|
|
|
|
} // namespace google_breakpad
|
|
|
|
#endif // CLIENT_LINUX_CRASH_GENERATION_CRASH_GENERATION_SERVER_H_
|