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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2026
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/telegram/Global.h"
#include "td/telegram/Version.h"
#include "td/utils/buffer.h"
#include "td/utils/common.h"
#include "td/utils/format.h"
#include "td/utils/logging.h"
#include "td/utils/Slice.h"
#include "td/utils/Status.h"
#include "td/utils/StorerBase.h"
#include "td/utils/StringBuilder.h"
#include "td/utils/tl_helpers.h"
#include "td/utils/tl_parsers.h"
#include "td/utils/tl_storers.h"
namespace td {
namespace log_event {
template <class ParentT>
class WithVersion : public ParentT {
public:
using ParentT::ParentT;
void set_version(int32 version) {
version_ = version;
}
int32 version() const {
return version_;
}
private:
int32 version_{};
};
template <class ParentT, class ContextT>
class WithContext : public ParentT {
public:
using ParentT::ParentT;
void set_context(ContextT context) {
context_ = context;
}
ContextT context() const {
return context_;
}
private:
ContextT context_{};
};
class LogEvent {
public:
LogEvent() = default;
LogEvent(const LogEvent &) = delete;
LogEvent &operator=(const LogEvent &) = delete;
virtual ~LogEvent() = default;
enum HandlerType : uint32 {
SecretChats = 1,
Users = 2,
Chats = 3,
Channels = 4,
SecretChatInfos = 5,
Communities = 6,
WebPages = 0x10,
SetPollAnswer = 0x20,
StopPoll = 0x21,
SendMessage = 0x100,
DeleteMessage = 0x101,
DeleteMessagesOnServer = 0x102,
ReadHistoryOnServer = 0x103,
ForwardMessages = 0x104,
ReadMessageContentsOnServer = 0x105,
SendBotStartMessage = 0x106,
SendScreenshotTakenNotificationMessage = 0x107,
SendInlineQueryResultMessage = 0x108,
DeleteDialogHistoryOnServer = 0x109,
ReadAllDialogMentionsOnServer = 0x10a,
DeleteAllChannelMessagesFromSenderOnServer = 0x10b,
ToggleDialogIsPinnedOnServer = 0x10c,
ReorderPinnedDialogsOnServer = 0x10d,
SaveDialogDraftMessageOnServer = 0x10e,
UpdateDialogNotificationSettingsOnServer = 0x10f,
UpdateScopeNotificationSettingsOnServer = 0x110,
ResetAllNotificationSettingsOnServer = 0x111,
ToggleDialogReportSpamStateOnServer = 0x112,
RegetDialog = 0x113,
ReadHistoryInSecretChat = 0x114,
ToggleDialogIsMarkedAsUnreadOnServer = 0x115,
SetDialogFolderIdOnServer = 0x116,
DeleteScheduledMessagesOnServer = 0x117,
ToggleDialogIsBlockedOnServer = 0x118,
ReadMessageThreadHistoryOnServer = 0x119,
BlockMessageSenderFromRepliesOnServer = 0x120,
UnpinAllDialogMessagesOnServer = 0x121,
DeleteAllCallMessagesOnServer = 0x122,
DeleteDialogMessagesByDateOnServer = 0x123,
ReadAllDialogReactionsOnServer = 0x124,
DeleteTopicHistoryOnServer = 0x125,
ToggleDialogIsTranslatableOnServer = 0x126,
ToggleDialogViewAsMessagesOnServer = 0x127,
SendQuickReplyShortcutMessages = 0x128,
UpdateReactionNotificationSettingsOnServer = 0x129,
ReadAllPollVotesOnServer = 0x12a,
DeleteEphemeralMessageOnServer = 0x12b,
GetChannelDifference = 0x140,
AddMessagePushNotification = 0x200,
EditMessagePushNotification = 0x201,
SaveAppLog = 0x300,
DeleteStoryOnServer = 0x400,
ReadStoriesOnServer = 0x401,
LoadDialogExpiringStories = 0x402,
SendStory = 0x403,
EditStory = 0x404,
ChangeAuthorizationSettingsOnServer = 0x500,
ResetAuthorizationOnServer = 0x501,
ResetAuthorizationsOnServer = 0x502,
SetDefaultHistoryTtlOnServer = 0x503,
SetAccountTtlOnServer = 0x504,
SetAuthorizationTtlOnServer = 0x505,
ResetWebAuthorizationOnServer = 0x506,
ResetWebAuthorizationsOnServer = 0x507,
InvalidateSignInCodesOnServer = 0x508,
ConfigPmcMagic = 0x1f18,
BinlogPmcMagic = 0x4327
};
using Id = uint64;
Id log_event_id() const {
return log_event_id_;
}
void set_log_event_id(Id log_event_id) {
log_event_id_ = log_event_id;
}
virtual StringBuilder &print(StringBuilder &sb) const {
return sb << "[Logevent " << tag("id", log_event_id()) << "]";
}
private:
Id log_event_id_{};
};
inline StringBuilder &operator<<(StringBuilder &sb, const LogEvent &log_event) {
return log_event.print(sb);
}
class LogEventParser final : public WithVersion<WithContext<TlParser, Global *>> {
public:
explicit LogEventParser(Slice data) : WithVersion<WithContext<TlParser, Global *>>(data) {
set_version(fetch_int());
LOG_CHECK(version() < static_cast<int32>(Version::Next)) << "Wrong version " << version();
set_context(G());
}
};
class LogEventStorerCalcLength final : public WithContext<TlStorerCalcLength, Global *> {
public:
LogEventStorerCalcLength() : WithContext<TlStorerCalcLength, Global *>() {
store_int(static_cast<int32>(Version::Next) - 1);
set_context(G());
}
};
class LogEventStorerUnsafe final : public WithContext<TlStorerUnsafe, Global *> {
public:
explicit LogEventStorerUnsafe(unsigned char *buf) : WithContext<TlStorerUnsafe, Global *>(buf) {
store_int(static_cast<int32>(Version::Next) - 1);
set_context(G());
}
};
template <class T>
class LogEventStorerImpl final : public Storer {
public:
explicit LogEventStorerImpl(const T &event) : event_(event) {
}
size_t size() const final {
LogEventStorerCalcLength storer;
td::store(event_, storer);
return storer.get_length();
}
size_t store(uint8 *ptr) const final {
LogEventStorerUnsafe storer(ptr);
td::store(event_, storer);
#ifdef TD_DEBUG
T check_result;
log_event_parse(check_result, Slice(ptr, storer.get_buf())).ensure();
#endif
return static_cast<size_t>(storer.get_buf() - ptr);
}
private:
const T &event_;
};
} // namespace log_event
using LogEvent = log_event::LogEvent;
using LogEventParser = log_event::LogEventParser;
using LogEventStorerCalcLength = log_event::LogEventStorerCalcLength;
using LogEventStorerUnsafe = log_event::LogEventStorerUnsafe;
template <class T>
Status log_event_parse(T &data, Slice slice) TD_WARN_UNUSED_RESULT;
template <class T>
Status log_event_parse(T &data, Slice slice) {
LogEventParser parser(slice);
parse(data, parser);
parser.fetch_end();
return parser.get_status();
}
inline int32 log_event_get_version(Slice slice) {
LogEventParser parser(slice);
return parser.version();
}
template <class T>
BufferSlice log_event_store_impl(const T &data, const char *file, int line) {
LogEventStorerCalcLength storer_calc_length;
store(data, storer_calc_length);
BufferSlice value_buffer{storer_calc_length.get_length()};
auto ptr = value_buffer.as_mutable_slice().ubegin();
LogEventStorerUnsafe storer_unsafe(ptr);
store(data, storer_unsafe);
#ifdef TD_DEBUG
T check_result;
auto status = log_event_parse(check_result, value_buffer.as_slice());
if (status.is_error()) {
LOG(FATAL) << status << ' ' << file << ' ' << line;
}
#endif
return value_buffer;
}
#define log_event_store(data) log_event_store_impl((data), __FILE__, __LINE__)
template <class T>
log_event::LogEventStorerImpl<T> get_log_event_storer(const T &event) {
return log_event::LogEventStorerImpl<T>(event);
}
} // namespace td
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