net_node_common.h

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// Copyright (c) 2014-2020, The Monero Project
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
// 
// 1. Redistributions of source code must retain the above copyright notice, this list of
//    conditions and the following disclaimer.
// 
// 2. 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.
// 
// 3. Neither the name of the copyright holder 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 HOLDER 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,
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
 
#pragma once
 
#include <boost/uuid/uuid.hpp>
#include <utility>
#include <vector>
#include "cryptonote_basic/blobdatatype.h"
#include "cryptonote_protocol/enums.h"
#include "cryptonote_protocol/fwd.h"
#include "net/enums.h"
#include "net/net_utils_base.h"
#include "p2p_protocol_defs.h"
 
namespace nodetool
{
 
  typedef boost::uuids::uuid uuid;
  typedef boost::uuids::uuid net_connection_id;
 
  template<class t_connection_context>
  struct i_p2p_endpoint
  {
    virtual bool relay_notify_to_list(int command, const epee::span<const uint8_t> data_buff, std::vector<std::pair<epee::net_utils::zone, boost::uuids::uuid>> connections)=0;
    virtual epee::net_utils::zone send_txs(std::vector<cryptonote::blobdata> txs, const epee::net_utils::zone origin, const boost::uuids::uuid& source, cryptonote::relay_method tx_relay)=0;
    virtual bool invoke_command_to_peer(int command, const epee::span<const uint8_t> req_buff, std::string& resp_buff, const epee::net_utils::connection_context_base& context)=0;
    virtual bool invoke_notify_to_peer(int command, const epee::span<const uint8_t> req_buff, const epee::net_utils::connection_context_base& context)=0;
    virtual bool drop_connection(const epee::net_utils::connection_context_base& context)=0;
    virtual void request_callback(const epee::net_utils::connection_context_base& context)=0;
    virtual uint64_t get_public_connections_count()=0;
    virtual void for_each_connection(std::function<bool(t_connection_context&, peerid_type, uint32_t)> f)=0;
    virtual bool for_connection(const boost::uuids::uuid&, std::function<bool(t_connection_context&, peerid_type, uint32_t)> f)=0;
    virtual bool block_host(epee::net_utils::network_address address, time_t seconds = 0, bool add_only = false)=0;
    virtual bool unblock_host(const epee::net_utils::network_address &address)=0;
    virtual std::map<std::string, time_t> get_blocked_hosts()=0;
    virtual std::map<epee::net_utils::ipv4_network_subnet, time_t> get_blocked_subnets()=0;
    virtual bool add_host_fail(const epee::net_utils::network_address &address, unsigned int score = 1)=0;
    virtual void add_used_stripe_peer(const t_connection_context &context)=0;
    virtual void remove_used_stripe_peer(const t_connection_context &context)=0;
    virtual void clear_used_stripe_peers()=0;
  };
 
  template<class t_connection_context>
  struct p2p_endpoint_stub: public i_p2p_endpoint<t_connection_context>
  {
    virtual bool relay_notify_to_list(int command, const epee::span<const uint8_t> data_buff, std::vector<std::pair<epee::net_utils::zone, boost::uuids::uuid>> connections)
    {
      return false;
    }
    virtual epee::net_utils::zone send_txs(std::vector<cryptonote::blobdata> txs, const epee::net_utils::zone origin, const boost::uuids::uuid& source, cryptonote::relay_method tx_relay)
    {
      return epee::net_utils::zone::invalid;
    }
    virtual bool invoke_command_to_peer(int command, const epee::span<const uint8_t> req_buff, std::string& resp_buff, const epee::net_utils::connection_context_base& context)
    {
      return false;
    }
    virtual bool invoke_notify_to_peer(int command, const epee::span<const uint8_t> req_buff, const epee::net_utils::connection_context_base& context)
    {
      return true;
    }
    virtual bool drop_connection(const epee::net_utils::connection_context_base& context)
    {
      return false;
    }
    virtual void request_callback(const epee::net_utils::connection_context_base& context)
    {
 
    }
    virtual void for_each_connection(std::function<bool(t_connection_context&,peerid_type,uint32_t)> f)
    {
 
    }
    virtual bool for_connection(const boost::uuids::uuid&, std::function<bool(t_connection_context&,peerid_type,uint32_t)> f)
    {
      return false;
    }
 
    virtual uint64_t get_public_connections_count()    
    {
      return false;
    }
    virtual bool block_host(epee::net_utils::network_address address, time_t seconds, bool add_only)
    {
      return true;
    }
    virtual bool unblock_host(const epee::net_utils::network_address &address)
    {
      return true;
    }
    virtual std::map<std::string, time_t> get_blocked_hosts()
    {
      return std::map<std::string, time_t>();
    }
    virtual std::map<epee::net_utils::ipv4_network_subnet, time_t> get_blocked_subnets()
    {
      return std::map<epee::net_utils::ipv4_network_subnet, time_t>();
    }
    virtual bool add_host_fail(const epee::net_utils::network_address &address, unsigned int score)
    {
      return true;
    }
    virtual void add_used_stripe_peer(const t_connection_context &context)
    {
    }
    virtual void remove_used_stripe_peer(const t_connection_context &context)
    {
    }
    virtual void clear_used_stripe_peers()
    {
    }
  };
}