96 lines
3.5 KiB
C++
96 lines
3.5 KiB
C++
/*
|
|
* Copyright (c) 2015 Cryptonomex, Inc., and contributors.
|
|
*
|
|
* The MIT License
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#pragma once
|
|
#include <graphene/chain/database.hpp>
|
|
#include <graphene/p2p/peer_connection.hpp>
|
|
|
|
|
|
|
|
namespace graphene { namespace p2p {
|
|
using namespace graphene::chain;
|
|
|
|
struct node_config
|
|
{
|
|
fc::ip::endpoint server_endpoint;
|
|
bool wait_if_not_available = true;
|
|
uint32_t desired_peers;
|
|
uint32_t max_peers;
|
|
/** receive, but don't rebroadcast data */
|
|
bool subscribe_only = false;
|
|
public_key_type node_id;
|
|
vector<fc::ip::endpoint> seed_nodes;
|
|
};
|
|
|
|
struct by_remote_endpoint;
|
|
struct by_peer_id;
|
|
|
|
/**
|
|
* @ingroup object_index
|
|
*/
|
|
typedef multi_index_container<
|
|
peer_connection_ptr,
|
|
indexed_by<
|
|
ordered_unique< tag<by_remote_endpoint>,
|
|
const_mem_fun< peer_connection, fc::ip::endpoint, &peer_connection::get_remote_endpoint > >,
|
|
ordered_unique< tag<by_peer_id>, member< peer_connection, public_key_type, &peer_connection::node_id > >
|
|
>
|
|
> peer_connection_index;
|
|
|
|
|
|
class node : public std::enable_shared_from_this<node>
|
|
{
|
|
public:
|
|
server( chain_database& db );
|
|
|
|
void add_peer( const fc::ip::endpoint& ep );
|
|
void configure( const node_config& cfg );
|
|
|
|
void on_incomming_connection( peer_connection_ptr new_peer );
|
|
void on_hello( peer_connection_ptr new_peer, hello_message m );
|
|
void on_transaction( peer_connection_ptr from_peer, transaction_message m );
|
|
void on_block( peer_connection_ptr from_peer, block_message m );
|
|
void on_peers( peer_connection_ptr from_peer, peers_message m );
|
|
void on_error( peer_connection_ptr from_peer, error_message m );
|
|
void on_full_block( peer_connection_ptr from_peer, full_block_message m );
|
|
void on_update_connections();
|
|
|
|
private:
|
|
/**
|
|
* Specifies the network interface and port upon which incoming
|
|
* connections should be accepted.
|
|
*/
|
|
void listen_on_endpoint( fc::ip::endpoint ep, bool wait_if_not_available );
|
|
void accept_loop();
|
|
|
|
graphene::chain::database& _db;
|
|
|
|
fc::tcp_server _tcp_server;
|
|
fc::ip::endpoint _actual_listening_endpoint;
|
|
fc::future<void> _accept_loop_complete;
|
|
peer_connection_index _peers;
|
|
|
|
};
|
|
|
|
} } /// graphene::p2p
|