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ton/adnl/adnl.h
2019-09-07 14:33:36 +04:00

121 lines
4.4 KiB
C++

/*
This file is part of TON Blockchain Library.
TON Blockchain Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
TON Blockchain Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
Copyright 2017-2019 Telegram Systems LLP
*/
#pragma once
#include "td/actor/actor.h"
#include "auto/tl/ton_api.h"
#include "td/utils/port/IPAddress.h"
#include "adnl-node-id.hpp"
#include "adnl-node.h"
#include "common/errorcode.h"
#include "keyring/keyring.h"
namespace ton {
namespace dht {
class Dht;
}
namespace adnl {
class AdnlNetworkManager;
class AdnlExtServer : public td::actor::Actor {
public:
virtual void add_local_id(AdnlNodeIdShort id) = 0;
virtual void add_tcp_port(td::uint16 port) = 0;
virtual ~AdnlExtServer() = default;
};
class AdnlSenderInterface : public td::actor::Actor {
public:
virtual ~AdnlSenderInterface() = default;
virtual void send_message(AdnlNodeIdShort src, AdnlNodeIdShort dst, td::BufferSlice data) = 0;
virtual void send_query(AdnlNodeIdShort src, AdnlNodeIdShort dst, std::string name,
td::Promise<td::BufferSlice> promise, td::Timestamp timeout, td::BufferSlice data) = 0;
virtual void send_query_ex(AdnlNodeIdShort src, AdnlNodeIdShort dst, std::string name,
td::Promise<td::BufferSlice> promise, td::Timestamp timeout, td::BufferSlice data,
td::uint64 max_answer_size) = 0;
};
class Adnl : public AdnlSenderInterface {
public:
class Callback {
public:
virtual void receive_message(AdnlNodeIdShort src, AdnlNodeIdShort dst, td::BufferSlice data) = 0;
virtual void receive_query(AdnlNodeIdShort src, AdnlNodeIdShort dst, td::BufferSlice data,
td::Promise<td::BufferSlice> promise) = 0;
virtual ~Callback() = default;
};
static constexpr td::uint32 get_mtu() {
return 1024;
}
static constexpr td::uint32 huge_packet_max_size() {
return 1024 * 8;
}
// adds node to peer table
// used mostly from DHT to avoid loops
virtual void add_peer(AdnlNodeIdShort local_id, AdnlNodeIdFull id, AdnlAddressList addr_list) = 0;
// adds address list for nodes from config
virtual void add_static_nodes_from_config(AdnlNodesList nodes) = 0;
// adds local id. After that you can send/receive messages from/to this id
virtual void add_id(AdnlNodeIdFull id, AdnlAddressList addr_list) = 0;
virtual void del_id(AdnlNodeIdShort id, td::Promise<td::Unit> promise) = 0;
// subscribe to (some) messages(+queries) to this local id
virtual void subscribe(AdnlNodeIdShort dst, std::string prefix, std::unique_ptr<Callback> callback) = 0;
virtual void unsubscribe(AdnlNodeIdShort dst, std::string prefix) = 0;
// register (main) dht node
// it will be used to send queries to DHT from adnl
// there are two types of queries:
// - discover node addr list for unknown node
// - update local node information
virtual void register_dht_node(td::actor::ActorId<dht::Dht> dht_node) = 0;
virtual void register_network_manager(td::actor::ActorId<AdnlNetworkManager> network_manager) = 0;
// get local id information
// for example when you need to sent it further
virtual void get_addr_list(AdnlNodeIdShort id, td::Promise<AdnlAddressList> promise) = 0;
virtual void get_self_node(AdnlNodeIdShort id, td::Promise<AdnlNode> promise) = 0;
virtual void create_ext_server(std::vector<AdnlNodeIdShort> ids, std::vector<td::uint16> ports,
td::Promise<td::actor::ActorOwn<AdnlExtServer>> promise) = 0;
static td::actor::ActorOwn<Adnl> create(std::string db, td::actor::ActorId<keyring::Keyring> keyring);
static std::string int_to_bytestring(td::int32 id) {
return std::string(reinterpret_cast<char *>(&id), 4);
}
static td::int32 adnl_start_time();
};
} // namespace adnl
using Adnl = adnl::Adnl;
} // namespace ton