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/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file Common.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*
* Miscellanea required for the Host/Session classes.
*/
#pragma once
#include <string>
#include <set>
#include <vector>
#include <boost/asio.hpp>
#include <boost/asio/ip/tcp.hpp>
#include <chrono>
#include <libdevcore/Common.h>
#include <libdevcore/Log.h>
#include <libdevcore/FixedHash.h>
namespace ba = boost::asio;
namespace bi = boost::asio::ip;
namespace dev
{
class RLP;
class RLPStream;
namespace p2p
{
using NodeId = h512;
bool isPrivateAddress(bi::address const& _addressToCheck);
class UPnP;
class Capability;
class Host;
class Session;
struct NetWarn: public LogChannel { static const char* name() { return "!N!"; } static const int verbosity = 0; };
struct NetNote: public LogChannel { static const char* name() { return "*N*"; } static const int verbosity = 1; };
struct NetMessageSummary: public LogChannel { static const char* name() { return "-N-"; } static const int verbosity = 2; };
struct NetConnect: public LogChannel { static const char* name() { return "+N+"; } static const int verbosity = 4; };
struct NetMessageDetail: public LogChannel { static const char* name() { return "=N="; } static const int verbosity = 5; };
struct NetTriviaSummary: public LogChannel { static const char* name() { return "-N-"; } static const int verbosity = 10; };
struct NetTriviaDetail: public LogChannel { static const char* name() { return "=N="; } static const int verbosity = 11; };
struct NetAllDetail: public LogChannel { static const char* name() { return "=N="; } static const int verbosity = 13; };
struct NetRight: public LogChannel { static const char* name() { return ">N>"; } static const int verbosity = 14; };
struct NetLeft: public LogChannel { static const char* name() { return "<N<"; } static const int verbosity = 15; };
enum PacketType
{
HelloPacket = 0,
DisconnectPacket,
PingPacket,
PongPacket,
GetPeersPacket,
PeersPacket,
UserPacket = 0x10
};
enum DisconnectReason
{
DisconnectRequested = 0,
TCPError,
BadProtocol,
UselessPeer,
TooManyPeers,
DuplicatePeer,
IncompatibleProtocol,
NullIdentity,
ClientQuit,
UnexpectedIdentity,
LocalIdentity,
PingTimeout,
UserReason = 0x10,
NoDisconnect = 0xffff
};
inline bool isPermanentProblem(DisconnectReason _r)
{
switch (_r)
{
case DuplicatePeer:
case IncompatibleProtocol:
case NullIdentity:
case UnexpectedIdentity:
case LocalIdentity:
return true;
default:
return false;
}
}
/// @returns the string form of the given disconnection reason.
std::string reasonOf(DisconnectReason _r);
typedef std::pair<std::string, u256> CapDesc;
typedef std::set<CapDesc> CapDescSet;
typedef std::vector<CapDesc> CapDescs;
struct PeerInfo
{
NodeId id;
std::string clientVersion;
std::string host;
unsigned short port;
std::chrono::steady_clock::duration lastPing;
std::set<CapDesc> caps;
unsigned socket;
std::map<std::string, std::string> notes;
};
using PeerInfos = std::vector<PeerInfo>;
}
}