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// Copyright (c) 2008, 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_WINDOWS_CRASH_GENERATION_CLIENT_INFO_H__
#define CLIENT_WINDOWS_CRASH_GENERATION_CLIENT_INFO_H__
#include <windows.h>
#include <dbghelp.h>
#include "client/windows/common/ipc_protocol.h"
#include "common/scoped_ptr.h"
#include "google_breakpad/common/minidump_format.h"
namespace google_breakpad {
class CrashGenerationServer;
// Abstraction for a crash client process.
class ClientInfo {
public:
// Creates an instance with the given values. Gets the process
// handle for the given process id and creates necessary event
// objects.
ClientInfo(CrashGenerationServer* crash_server,
DWORD pid,
MINIDUMP_TYPE dump_type,
DWORD* thread_id,
EXCEPTION_POINTERS** ex_info,
MDRawAssertionInfo* assert_info,
const CustomClientInfo& custom_client_info);
~ClientInfo();
CrashGenerationServer* crash_server() const { return crash_server_; }
DWORD pid() const { return pid_; }
MINIDUMP_TYPE dump_type() const { return dump_type_; }
EXCEPTION_POINTERS** ex_info() const { return ex_info_; }
MDRawAssertionInfo* assert_info() const { return assert_info_; }
DWORD* thread_id() const { return thread_id_; }
HANDLE process_handle() const { return process_handle_; }
HANDLE dump_requested_handle() const { return dump_requested_handle_; }
HANDLE dump_generated_handle() const { return dump_generated_handle_; }
DWORD crash_id() const { return crash_id_; }
const CustomClientInfo& custom_client_info() const {
return custom_client_info_;
}
void set_dump_request_wait_handle(HANDLE value) {
dump_request_wait_handle_ = value;
}
void set_process_exit_wait_handle(HANDLE value) {
process_exit_wait_handle_ = value;
}
// Unregister the dump request wait operation and wait for all callbacks
// that might already be running to complete before returning.
void UnregisterDumpRequestWaitAndBlockUntilNoPending();
// Unregister the process exit wait operation. If block_until_no_pending is
// true, wait for all callbacks that might already be running to complete
// before returning.
void UnregisterProcessExitWait(bool block_until_no_pending);
bool Initialize();
bool GetClientExceptionInfo(EXCEPTION_POINTERS** ex_info) const;
bool GetClientThreadId(DWORD* thread_id) const;
// Reads the custom information from the client process address space.
bool PopulateCustomInfo();
// Returns the client custom information.
CustomClientInfo GetCustomInfo() const;
private:
// Calcualtes the uptime for the client process, converts it to a string and
// stores it in the last entry of client custom info.
void SetProcessUptime();
// Crash generation server.
CrashGenerationServer* crash_server_;
// Client process ID.
DWORD pid_;
// Dump type requested by the client.
MINIDUMP_TYPE dump_type_;
// Address of an EXCEPTION_POINTERS* variable in the client
// process address space that will point to an instance of
// EXCEPTION_POINTERS containing information about crash.
//
// WARNING: Do not dereference these pointers as they are pointers
// in the address space of another process.
EXCEPTION_POINTERS** ex_info_;
// Address of an instance of MDRawAssertionInfo in the client
// process address space that will contain information about
// non-exception related crashes like invalid parameter assertion
// failures and pure calls.
//
// WARNING: Do not dereference these pointers as they are pointers
// in the address space of another process.
MDRawAssertionInfo* assert_info_;
// Custom information about the client.
CustomClientInfo custom_client_info_;
// Contains the custom client info entries read from the client process
// memory. This will be populated only if the method GetClientCustomInfo
// is called.
scoped_array<CustomInfoEntry> custom_info_entries_;
// Address of a variable in the client process address space that
// will contain the thread id of the crashing client thread.
//
// WARNING: Do not dereference these pointers as they are pointers
// in the address space of another process.
DWORD* thread_id_;
// Client process handle.
HANDLE process_handle_;
// Dump request event handle.
HANDLE dump_requested_handle_;
// Dump generated event handle.
HANDLE dump_generated_handle_;
// Wait handle for dump request event.
HANDLE dump_request_wait_handle_;
// Wait handle for process exit event.
HANDLE process_exit_wait_handle_;
// Time when the client process started. It is used to determine the uptime
// for the client process when it signals a crash.
FILETIME start_time_;
// The crash id which can be used to request an upload. This will be the
// value of the low order dword of the process creation time for the process
// being dumped.
DWORD crash_id_;
// Disallow copy ctor and operator=.
ClientInfo(const ClientInfo& client_info);
ClientInfo& operator=(const ClientInfo& client_info);
};
} // namespace google_breakpad
#endif // CLIENT_WINDOWS_CRASH_GENERATION_CLIENT_INFO_H__
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