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tdlib-fork/td/telegram/TdDb.h

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// 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/TdParameters.h"
#include "td/db/binlog/Binlog.h"
#include "td/db/binlog/BinlogEvent.h"
#include "td/db/binlog/ConcurrentBinlog.h"
#include "td/db/BinlogKeyValue.h"
#include "td/db/DbKey.h"
#include "td/db/Pmc.h"
#include "td/actor/PromiseFuture.h"
#include "td/utils/Slice.h"
#include "td/utils/Status.h"
#include <functional>
#include <memory>
namespace td {
class SqliteConnectionSafe;
class SqliteKeyValueSafe;
class SqliteKeyValueAsyncInterface;
class SqliteKeyValue;
class MessagesDbSyncInterface;
class MessagesDbSyncSafeInterface;
class MessagesDbAsyncInterface;
class DialogDbSyncInterface;
class DialogDbSyncSafeInterface;
class DialogDbAsyncInterface;
class FileDbInterface;
struct EncryptionInfo {
bool is_encrypted{false};
};
class TdDb {
public:
TdDb();
TdDb(const TdDb &) = delete;
TdDb &operator=(const TdDb &) = delete;
TdDb(TdDb &&) = delete;
TdDb &operator=(TdDb &&) = delete;
~TdDb();
struct Events;
static Result<unique_ptr<TdDb>> open(int32 scheduler_id, const TdParameters &parameters, DbKey key, Events &events);
static Result<EncryptionInfo> check_encryption(const TdParameters &parameters);
static Status destroy(const TdParameters &parameters);
struct Events {
vector<BinlogEvent> to_secret_chats_manager;
vector<BinlogEvent> user_events;
vector<BinlogEvent> chat_events;
vector<BinlogEvent> channel_events;
vector<BinlogEvent> secret_chat_events;
vector<BinlogEvent> web_page_events;
vector<BinlogEvent> to_messages_manager;
};
std::shared_ptr<FileDbInterface> get_file_db_shared();
std::shared_ptr<SqliteConnectionSafe> &get_sqlite_connection_safe();
ConcurrentBinlog *get_binlog();
BinlogPmc get_binlog_pmc_shared();
BinlogPmcPtr get_binlog_pmc();
BinlogPmcPtr get_config_pmc();
SqliteKeyValue *get_sqlite_sync_pmc();
SqliteKeyValueAsyncInterface *get_sqlite_pmc();
CSlice binlog_path() const;
CSlice sqlite_path() const;
void flush_all();
void close_all(Promise<> on_finished);
void close_and_destroy_all(Promise<> on_finished);
MessagesDbSyncInterface *get_messages_db_sync();
MessagesDbAsyncInterface *get_messages_db_async();
DialogDbSyncInterface *get_dialog_db_sync();
DialogDbAsyncInterface *get_dialog_db_async();
void change_key(DbKey key, Promise<> promise);
void with_db_path(std::function<void(CSlice)> callback);
private:
string sqlite_path_;
std::shared_ptr<SqliteConnectionSafe> sql_connection_;
std::shared_ptr<FileDbInterface> file_db_;
std::shared_ptr<SqliteKeyValueSafe> common_kv_safe_;
unique_ptr<SqliteKeyValueAsyncInterface> common_kv_async_;
std::shared_ptr<MessagesDbSyncSafeInterface> messages_db_sync_safe_;
std::shared_ptr<MessagesDbAsyncInterface> messages_db_async_;
std::shared_ptr<DialogDbSyncSafeInterface> dialog_db_sync_safe_;
std::shared_ptr<DialogDbAsyncInterface> dialog_db_async_;
std::shared_ptr<BinlogKeyValue<ConcurrentBinlog>> binlog_pmc_;
std::shared_ptr<BinlogKeyValue<ConcurrentBinlog>> config_pmc_;
std::shared_ptr<ConcurrentBinlog> binlog_;
Status init(int32 scheduler_id, const TdParameters &parameters, DbKey key, Events &events);
Status init_sqlite(int32 scheduler_id, const TdParameters &parameters, DbKey key, DbKey old_key,
BinlogKeyValue<Binlog> &binlog_pmc);
void do_close(Promise<> on_finished, bool destroy_flag);
};
} // namespace td