net.h File Reference

#include "bloom.h"
#include "compat.h"
#include "hash.h"
#include "limitedmap.h"
#include "mruset.h"
#include "netbase.h"
#include "protocol.h"
#include "sync.h"
#include "uint256.h"
#include "util.h"
#include <deque>
#include <stdint.h>
#include <arpa/inet.h>
#include <boost/foreach.hpp>
#include <boost/signals2/signal.hpp>
#include <openssl/rand.h>

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Classes
struct	CNodeSignals
struct	LocalServiceInfo
class	CNodeStats
class	CNetMessage
class	CNode
	Information about a peer. More...
class	CAddrDB
	Access to the (IP) address database (peers.dat) More...

Typedefs
typedef int	NodeId

Enumerations
enum	{   LOCAL_NONE,   LOCAL_IF,   LOCAL_BIND,   LOCAL_UPNP,   LOCAL_HTTP,   LOCAL_MANUAL,   LOCAL_MAX }

Functions
unsigned int	ReceiveFloodSize ()
unsigned int	SendBufferSize ()
void	AddOneShot (std::string strDest)
bool	RecvLine (SOCKET hSocket, std::string &strLine)
bool	GetMyExternalIP (CNetAddr &ipRet)
void	AddressCurrentlyConnected (const CService &addr)
CNode *	FindNode (const CNetAddr &ip)
CNode *	FindNode (const CService &ip)
CNode *	ConnectNode (CAddress addrConnect, const char *strDest=NULL)
void	MapPort (bool fUseUPnP)
unsigned short	GetListenPort ()
bool	BindListenPort (const CService &bindAddr, std::string &strError=REF(std::string()))
void	StartNode (boost::thread_group &threadGroup)
bool	StopNode ()
void	SocketSendData (CNode *pnode)
CNodeSignals &	GetNodeSignals ()
void	SetLimited (enum Network net, bool fLimited=true)
	Make a particular network entirely off-limits (no automatic connects to it) More...
bool	IsLimited (enum Network net)
bool	IsLimited (const CNetAddr &addr)
bool	AddLocal (const CService &addr, int nScore=LOCAL_NONE)
bool	AddLocal (const CNetAddr &addr, int nScore=LOCAL_NONE)
bool	SeenLocal (const CService &addr)
	vote for a local address More...
bool	IsLocal (const CService &addr)
	check whether a given address is potentially local More...
bool	GetLocal (CService &addr, const CNetAddr *paddrPeer=NULL)
bool	IsReachable (const CNetAddr &addr)
	check whether a given address is in a network we can probably connect to More...
void	SetReachable (enum Network net, bool fFlag=true)
CAddress	GetLocalAddress (const CNetAddr *paddrPeer=NULL)
void	RelayTransaction (const CTransaction &tx, const uint256 &hash)
void	RelayTransaction (const CTransaction &tx, const uint256 &hash, const CDataStream &ss)

Variables
static const unsigned int	MAX_INV_SZ = 50000
	The maximum number of entries in an 'inv' protocol message. More...
static const size_t	MAPASKFOR_MAX_SZ = MAX_INV_SZ
	The maximum number of entries in mapAskFor. More...
bool	fDiscover
uint64_t	nLocalServices
uint64_t	nLocalHostNonce
CAddrMan	addrman
int	nMaxConnections
std::vector< CNode * >	vNodes
CCriticalSection	cs_vNodes
std::map< CInv, CDataStream >	mapRelay
std::deque< std::pair< int64_t, CInv > >	vRelayExpiration
CCriticalSection	cs_mapRelay
limitedmap< CInv, int64_t >	mapAlreadyAskedFor
std::vector< std::string >	vAddedNodes
CCriticalSection	cs_vAddedNodes
NodeId	nLastNodeId
CCriticalSection	cs_nLastNodeId
CCriticalSection	cs_mapLocalHost
map< CNetAddr, LocalServiceInfo >	mapLocalHost

Typedef Documentation

typedef int NodeId

Definition at line 61 of file net.h.

Enumeration Type Documentation

anonymous enum

Enumerator
LOCAL_NONE
LOCAL_IF
LOCAL_BIND
LOCAL_UPNP
LOCAL_HTTP
LOCAL_MANUAL
LOCAL_MAX

Definition at line 77 of file net.h.

Function Documentation

bool AddLocal	(	const CService &	addr,
		int	nScore = LOCAL_NONE
	)

Definition at line 216 of file net.cpp.

References AdvertizeLocal(), fDiscover, CNetAddr::GetNetwork(), CService::GetPort(), IsLimited(), CNetAddr::IsRoutable(), LOCAL_MANUAL, LOCK, LogPrintf, LocalServiceInfo::nPort, LocalServiceInfo::nScore, SetReachable(), and CService::ToString().

Referenced by AddLocal(), AppInit2(), BindListenPort(), Discover(), and ThreadGetMyExternalIP().

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bool AddLocal	(	const CNetAddr &	addr,
		int	nScore = LOCAL_NONE
	)

Definition at line 245 of file net.cpp.

References AddLocal(), and GetListenPort().

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void AddOneShot

(

std::string

strDest

)

Definition at line 88 of file net.cpp.

References LOCK.

Referenced by AppInit2(), ProcessOneShot(), and ThreadDNSAddressSeed().

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void AddressCurrentlyConnected

(

const CService &

addr

)

Definition at line 400 of file net.cpp.

References CAddrMan::Connected().

Referenced by ProcessMessage().

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bool BindListenPort	(	const CService &	bindAddr,
		std::string &	strError = REF(std::string())
	)

Definition at line 1561 of file net.cpp.

References _(), AddLocal(), fDiscover, CService::GetSockAddr(), INVALID_SOCKET, CNetAddr::IsIPv6(), CNetAddr::IsRoutable(), LOCAL_BIND, LogPrintf, NetworkErrorString(), SOCKET_ERROR, strprintf, CService::ToString(), WSAEADDRINUSE, and WSAGetLastError.

Referenced by Bind().

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CNode* ConnectNode	(	CAddress	addrConnect,
		const char *	strDest = NULL
	)

debug print

Definition at line 440 of file net.cpp.

References CNode::AddRef(), CAddrMan::Attempt(), ConnectSocket(), ConnectSocketByName(), FindNode(), GetAdjustedTime(), GetTime(), IsLocal(), LOCK, LogPrint(), LogPrintf, NetworkErrorString(), CAddress::nTime, CNode::nTimeConnected, Params(), SOCKET_ERROR, CService::ToString(), and WSAGetLastError.

Referenced by addnode(), and OpenNetworkConnection().

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CNode* FindNode

(

const CNetAddr &

ip

)

Definition at line 413 of file net.cpp.

References CNode::addr, and LOCK.

Referenced by ConnectNode(), and OpenNetworkConnection().

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CNode* FindNode

(

const CService &

ip

)

Definition at line 431 of file net.cpp.

References CNode::addr, and LOCK.

unsigned short GetListenPort

(

)

Definition at line 94 of file net.cpp.

References GetArg(), and Params().

Referenced by AddLocal(), and AppInit2().

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bool GetLocal	(	CService &	addr,
		const CNetAddr *	paddrPeer = NULL
	)

Definition at line 100 of file net.cpp.

References fNoListen, and LOCK.

Referenced by GetLocalAddress().

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CAddress GetLocalAddress

(

const CNetAddr *

paddrPeer = NULL

)

Definition at line 125 of file net.cpp.

References GetAdjustedTime(), GetLocal(), nLocalServices, CAddress::nServices, and CAddress::nTime.

Referenced by AdvertizeLocal(), ProcessMessage(), CNode::PushVersion(), and SendMessages().

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bool GetMyExternalIP

(

CNetAddr &

ipRet

)

Definition at line 346 of file net.cpp.

References GetMyExternalIP2(), and CNetAddr::IsValid().

Referenced by ThreadGetMyExternalIP().

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CNodeSignals& GetNodeSignals

(

)

Definition at line 86 of file net.cpp.

References g_signals.

Referenced by AppInit2(), CNode::CNode(), Shutdown(), and CNode::~CNode().

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bool IsLimited

(

enum Network

net

)

Definition at line 259 of file net.cpp.

References LOCK, and vfLimited.

Referenced by AddLocal(), AppInit2(), Bind(), Discover(), IsLimited(), and ThreadOpenConnections().

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bool IsLimited

(

const CNetAddr &

addr

)

Definition at line 265 of file net.cpp.

References CNetAddr::GetNetwork(), and IsLimited().

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bool IsLocal

(

const CService &

addr

)

check whether a given address is potentially local

Definition at line 286 of file net.cpp.

References LOCK.

Referenced by ConnectNode(), CNetAddr::GetGroup(), CNetAddr::IsRoutable(), OpenNetworkConnection(), and ThreadOpenConnections().

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bool IsReachable

(

const CNetAddr &

addr

)

check whether a given address is in a network we can probably connect to

Definition at line 293 of file net.cpp.

References CNetAddr::GetNetwork(), LOCK, vfLimited, and vfReachable.

Referenced by ProcessMessage().

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void MapPort

(

bool

fUseUPnP

)

Definition at line 1154 of file net.cpp.

Referenced by OptionsModel::setData(), StartNode(), and StopNode().

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unsigned int ReceiveFloodSize ( )

inline

Definition at line 44 of file net.h.

References GetArg().

Referenced by ThreadSocketHandler().

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bool RecvLine	(	SOCKET	hSocket,
		std::string &	strLine
	)

Definition at line 138 of file net.cpp.

References LogPrint(), MilliSleep(), NetworkErrorString(), WSAEINPROGRESS, WSAEINTR, WSAEMSGSIZE, WSAEWOULDBLOCK, and WSAGetLastError.

Referenced by GetMyExternalIP2().

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void RelayTransaction	(	const CTransaction &	tx,
		const uint256 &	hash
	)

Definition at line 1807 of file net.cpp.

References PROTOCOL_VERSION, RelayTransaction(), CDataStream::reserve(), and SER_NETWORK.

Referenced by ProcessMessage(), RelayTransaction(), CWalletTx::RelayWalletTransaction(), and sendrawtransaction().

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void RelayTransaction	(	const CTransaction &	tx,
		const uint256 &	hash,
		const CDataStream &	ss
	)

Definition at line 1815 of file net.cpp.

References CNode::cs_filter, CNode::fRelayTxes, GetTime(), CBloomFilter::IsRelevantAndUpdate(), LOCK, MSG_TX, CNode::pfilter, and CNode::PushInventory().

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bool SeenLocal

(

const CService &

addr

)

vote for a local address

Definition at line 271 of file net.cpp.

References AdvertizeLocal(), and LOCK.

Referenced by ProcessMessage().

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unsigned int SendBufferSize ( )

inline

Definition at line 45 of file net.h.

References GetArg().

Referenced by CNode::CNode(), ProcessGetData(), ProcessMessage(), ProcessMessages(), and ThreadMessageHandler().

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void SetLimited	(	enum Network	net,
		bool	fLimited = true
	)

Make a particular network entirely off-limits (no automatic connects to it)

Definition at line 251 of file net.cpp.

References LOCK, NET_UNROUTABLE, and vfLimited.

Referenced by AppInit2().

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void SetReachable	(	enum Network	net,
		bool	fFlag = true
	)

Definition at line 207 of file net.cpp.

References LOCK, NET_IPV4, NET_IPV6, and vfReachable.

Referenced by AddLocal(), and AppInit2().

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void SocketSendData

(

CNode *

pnode

)

Definition at line 693 of file net.cpp.

References CNode::CloseSocketDisconnect(), Checkpoints::data, GetTime(), CNode::hSocket, LogPrintf, MSG_NOSIGNAL, NetworkErrorString(), CNode::nLastSend, CNode::nSendBytes, CNode::nSendOffset, CNode::nSendSize, CNode::RecordBytesSent(), CNode::vSendMsg, WSAEINPROGRESS, WSAEINTR, WSAEMSGSIZE, WSAEWOULDBLOCK, and WSAGetLastError.

Referenced by CNode::EndMessage(), and ThreadSocketHandler().

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void StartNode

(

boost::thread_group &

threadGroup

)

Definition at line 1708 of file net.cpp.

References Discover(), DUMP_ADDRESSES_INTERVAL, DumpAddresses(), GetBoolArg(), INVALID_SOCKET, LogPrintf, LoopForever(), MapPort(), nLocalServices, ThreadDNSAddressSeed(), ThreadMessageHandler(), ThreadOpenAddedConnections(), ThreadOpenConnections(), ThreadSocketHandler(), TraceThread(), and USE_UPNP.

Referenced by AppInit2().

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bool StopNode

(

)

Definition at line 1751 of file net.cpp.

References DumpAddresses(), LogPrintf, MapPort(), MAX_OUTBOUND_CONNECTIONS, MilliSleep(), and CSemaphore::post().

Referenced by Shutdown().

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Variable Documentation

CAddrMan addrman

Definition at line 60 of file net.cpp.

Referenced by AppInit2(), and ProcessMessage().

CCriticalSection cs_mapLocalHost

Definition at line 52 of file net.cpp.

Referenced by getnetworkinfo().

CCriticalSection cs_mapRelay

Definition at line 67 of file net.cpp.

Referenced by ProcessGetData().

CCriticalSection cs_nLastNodeId

Definition at line 80 of file net.cpp.

CCriticalSection cs_vAddedNodes

Definition at line 77 of file net.cpp.

Referenced by addnode(), and getaddednodeinfo().

CCriticalSection cs_vNodes

Definition at line 64 of file net.cpp.

Referenced by AcceptBlock(), CopyNodeStats(), getaddednodeinfo(), getconnectioncount(), ClientModel::getNumConnections(), ping(), ProcessMessage(), and SendMessages().

bool fDiscover

Definition at line 50 of file net.cpp.

Referenced by AddLocal(), AppInit2(), BindListenPort(), and Discover().

limitedmap<CInv, int64_t> mapAlreadyAskedFor

Referenced by ProcessMessage().

const size_t MAPASKFOR_MAX_SZ = MAX_INV_SZ

static

The maximum number of entries in mapAskFor.

Definition at line 42 of file net.h.

Referenced by CNode::AskFor().

map<CNetAddr, LocalServiceInfo> mapLocalHost

Definition at line 53 of file net.cpp.

Referenced by getnetworkinfo().

std::map<CInv, CDataStream> mapRelay

Definition at line 65 of file net.cpp.

Referenced by ProcessGetData().

const unsigned int MAX_INV_SZ = 50000

static

The maximum number of entries in an 'inv' protocol message.

Definition at line 40 of file net.h.

Referenced by ProcessMessage().

NodeId nLastNodeId

Definition at line 79 of file net.cpp.

uint64_t nLocalHostNonce

Definition at line 58 of file net.cpp.

Referenced by ProcessMessage(), and CNode::PushVersion().

uint64_t nLocalServices

Definition at line 51 of file net.cpp.

Referenced by GetLocalAddress(), CNode::PushVersion(), and StartNode().

int nMaxConnections

Definition at line 61 of file net.cpp.

Referenced by AppInit2().

std::vector<std::string> vAddedNodes

Definition at line 76 of file net.cpp.

Referenced by addnode(), and getaddednodeinfo().

std::vector<CNode*> vNodes

Definition at line 63 of file net.cpp.

Referenced by AcceptBlock(), CopyNodeStats(), getaddednodeinfo(), getblocktemplate(), getconnectioncount(), getinfo(), getnetworkinfo(), ClientModel::getNumConnections(), ping(), ProcessMessage(), SendMessages(), ThreadMessageHandler(), and ThreadSocketHandler().

std::deque<std::pair<int64_t, CInv> > vRelayExpiration

Definition at line 66 of file net.cpp.