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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_COMMON_IPC_PROTOCOL_H__
#define CLIENT_WINDOWS_COMMON_IPC_PROTOCOL_H__
#include <Windows.h>
#include <DbgHelp.h>
#include <string>
#include <utility>
#include "common/windows/string_utils-inl.h"
#include "google_breakpad/common/minidump_format.h"
namespace google_breakpad {
// Name/value pair for custom client information.
struct CustomInfoEntry {
// Maximum length for name and value for client custom info.
static const int kNameMaxLength = 64;
static const int kValueMaxLength = 64;
CustomInfoEntry() {
// Putting name and value in initializer list makes VC++ show warning 4351.
set_name(NULL);
set_value(NULL);
}
CustomInfoEntry(const wchar_t* name_arg, const wchar_t* value_arg) {
set_name(name_arg);
set_value(value_arg);
}
void set_name(const wchar_t* name_arg) {
if (!name_arg) {
name[0] = L'\0';
return;
}
WindowsStringUtils::safe_wcscpy(name, kNameMaxLength, name_arg);
}
void set_value(const wchar_t* value_arg) {
if (!value_arg) {
value[0] = L'\0';
return;
}
WindowsStringUtils::safe_wcscpy(value, kValueMaxLength, value_arg);
}
void set(const wchar_t* name_arg, const wchar_t* value_arg) {
set_name(name_arg);
set_value(value_arg);
}
wchar_t name[kNameMaxLength];
wchar_t value[kValueMaxLength];
};
// Constants for the protocol between client and the server.
// Tags sent with each message indicating the purpose of
// the message.
enum MessageTag {
MESSAGE_TAG_NONE = 0,
MESSAGE_TAG_REGISTRATION_REQUEST = 1,
MESSAGE_TAG_REGISTRATION_RESPONSE = 2,
MESSAGE_TAG_REGISTRATION_ACK = 3,
MESSAGE_TAG_UPLOAD_REQUEST = 4
};
struct CustomClientInfo {
const CustomInfoEntry* entries;
size_t count;
};
// Message structure for IPC between crash client and crash server.
struct ProtocolMessage {
ProtocolMessage()
: tag(MESSAGE_TAG_NONE),
id(0),
dump_type(MiniDumpNormal),
thread_id(0),
exception_pointers(NULL),
assert_info(NULL),
custom_client_info(),
dump_request_handle(NULL),
dump_generated_handle(NULL),
server_alive_handle(NULL) {
}
// Creates an instance with the given parameters.
ProtocolMessage(MessageTag arg_tag,
DWORD arg_id,
MINIDUMP_TYPE arg_dump_type,
DWORD* arg_thread_id,
EXCEPTION_POINTERS** arg_exception_pointers,
MDRawAssertionInfo* arg_assert_info,
const CustomClientInfo& custom_info,
HANDLE arg_dump_request_handle,
HANDLE arg_dump_generated_handle,
HANDLE arg_server_alive)
: tag(arg_tag),
id(arg_id),
dump_type(arg_dump_type),
thread_id(arg_thread_id),
exception_pointers(arg_exception_pointers),
assert_info(arg_assert_info),
custom_client_info(custom_info),
dump_request_handle(arg_dump_request_handle),
dump_generated_handle(arg_dump_generated_handle),
server_alive_handle(arg_server_alive) {
}
// Tag in the message.
MessageTag tag;
// The id for this message. This may be either a process id or a crash id
// depending on the type of message.
DWORD id;
// Dump type requested.
MINIDUMP_TYPE dump_type;
// Client thread id pointer.
DWORD* thread_id;
// Exception information.
EXCEPTION_POINTERS** exception_pointers;
// Assert information in case of an invalid parameter or
// pure call failure.
MDRawAssertionInfo* assert_info;
// Custom client information.
CustomClientInfo custom_client_info;
// Handle to signal the crash event.
HANDLE dump_request_handle;
// Handle to check if server is done generating crash.
HANDLE dump_generated_handle;
// Handle to a mutex that becomes signaled (WAIT_ABANDONED)
// if server process goes down.
HANDLE server_alive_handle;
private:
// Disable copy ctor and operator=.
ProtocolMessage(const ProtocolMessage& msg);
ProtocolMessage& operator=(const ProtocolMessage& msg);
};
} // namespace google_breakpad
#endif // CLIENT_WINDOWS_COMMON_IPC_PROTOCOL_H__
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Swift