net.cpp File Reference

#include "net.h"
#include "addrman.h"
#include "chainparams.h"
#include "clientversion.h"
#include "crypto/common.h"
#include "guiinterface.h"
#include "main.h"
#include "primitives/transaction.h"
#include "netbase.h"
#include "scheduler.h"
#include <fcntl.h>
#include <boost/thread.hpp>
#include <math.h>

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Classes
struct	NodeEvictionCandidate
class	CompareNetGroupKeyed
class	CNetCleanup

Macros
#define	DUMP_ADDRESSES_INTERVAL   900
#define	FEELER_SLEEP_WINDOW   1
#define	X(name)   stats.name = name

Functions
CNodeSignals &	GetNodeSignals ()
void	AddOneShot (std::string strDest)
unsigned short	GetListenPort ()
bool	GetLocal (CService &addr, const CNetAddr *paddrPeer)
CAddress	GetLocalAddress (const CNetAddr *paddrPeer)
int	GetnScore (const CService &addr)
bool	IsPeerAddrLocalGood (CNode *pnode)
void	AdvertiseLocal (CNode *pnode)
bool	AddLocal (const CService &addr, int nScore)
bool	AddLocal (const CNetAddr &addr, int nScore)
bool	RemoveLocal (const CService &addr)
void	SetLimited (enum Network net, bool fLimited)
	Make a particular network entirely off-limits (no automatic connects to it) More...
bool	IsLimited (enum Network net)
bool	IsLimited (const CNetAddr &addr)
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	IsReachable (enum Network net)
	check whether a given network is one we can probably connect to More...
bool	IsReachable (const CNetAddr &addr)
	check whether a given address is in a network we can probably connect to More...
void	AddressCurrentlyConnected (const CService &addr)
CNode *	FindNode (const CNetAddr &ip)
CNode *	FindNode (const CSubNet &subNet)
CNode *	FindNode (const std::string &addrName)
CNode *	FindNode (const CService &addr)
CNode *	ConnectNode (CAddress addrConnect, const char *pszDest, bool fCountFailure)
void	SocketSendData (CNode *pnode)
void	ThreadSocketHandler ()
void	MapPort (bool)
void	ThreadDNSAddressSeed ()
void	DumpAddresses ()
void	DumpData ()
void	ThreadOpenConnections ()
std::vector< AddedNodeInfo >	GetAddedNodeInfo ()
void	ThreadOpenAddedConnections ()
bool	OpenNetworkConnection (const CAddress &addrConnect, bool fCountFailure, CSemaphoreGrant *grantOutbound, const char *pszDest, bool fOneShot, bool fFeeler)
void	ThreadMessageHandler ()
bool	BindListenPort (const CService &addrBind, std::string &strError, bool fWhitelisted)
void	StartNode (boost::thread_group &threadGroup, CScheduler &scheduler)
bool	StopNode ()
void	RelayTransaction (const CTransaction &tx)
void	RelayTransaction (const CTransaction &tx, const CDataStream &ss)
void	RelayTransactionLockReq (const CTransaction &tx, bool relayToAll)
void	RelayInv (CInv &inv)
unsigned int	ReceiveFloodSize ()
unsigned int	SendBufferSize ()
bool	validateMasternodeIP (const std::string &addrStr)
int64_t	PoissonNextSend (int64_t nNow, int average_interval_seconds)
	Return a timestamp in the future (in microseconds) for exponentially distributed events. More...

Variables
bool	fDiscover = true
bool	fListen = true
ServiceFlags	nLocalServices = NODE_NETWORK
RecursiveMutex	cs_mapLocalHost
std::map< CNetAddr, LocalServiceInfo >	mapLocalHost
uint64_t	nLocalHostNonce = 0
CAddrMan	addrman
int	nMaxConnections = DEFAULT_MAX_PEER_CONNECTIONS
bool	fAddressesInitialized = false
std::string	strSubVersion
	Subversion as sent to the P2P network in version messages. More...
std::vector< CNode * >	vNodes
RecursiveMutex	cs_vNodes
std::map< CInv, CDataStream >	mapRelay
std::deque< std::pair< int64_t, CInv > >	vRelayExpiration
RecursiveMutex	cs_mapRelay
limitedmap< CInv, int64_t >	mapAlreadyAskedFor (MAX_INV_SZ)
RecursiveMutex	cs_vOneShots
std::vector< std::string >	vAddedNodes
RecursiveMutex	cs_vAddedNodes
NodeId	nLastNodeId = 0
RecursiveMutex	cs_nLastNodeId
boost::condition_variable	messageHandlerCondition
class CNetCleanup	instance_of_cnetcleanup

Macro Definition Documentation

DUMP_ADDRESSES_INTERVAL

#define DUMP_ADDRESSES_INTERVAL   900

Definition at line 44 of file net.cpp.

FEELER_SLEEP_WINDOW

#define FEELER_SLEEP_WINDOW   1

Definition at line 47 of file net.cpp.

X

#define X

(

name

)

stats.name = name

Definition at line 639 of file net.cpp.

Function Documentation

AddLocal() [1/2]

bool AddLocal	(	const CNetAddr &	addr,
		int	nScore
	)

Definition at line 233 of file net.cpp.

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AddLocal() [2/2]

bool AddLocal	(	const CService &	addr,
		int	nScore
	)

Definition at line 208 of file net.cpp.

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AddOneShot()

void AddOneShot

(

std::string

strDest

)

Definition at line 109 of file net.cpp.

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AddressCurrentlyConnected()

void AddressCurrentlyConnected

(

const CService &

addr

)

Definition at line 291 of file net.cpp.

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AdvertiseLocal()

void AdvertiseLocal

(

CNode *

pnode

)

Definition at line 188 of file net.cpp.

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BindListenPort()

bool BindListenPort	(	const CService &	addrBind,
		std::string &	strError,
		bool	fWhitelisted
	)

Definition at line 1757 of file net.cpp.

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ConnectNode()

CNode* ConnectNode	(	CAddress	addrConnect,
		const char *	pszDest,
		bool	fCountFailure
	)

debug print

Definition at line 342 of file net.cpp.

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DumpAddresses()

void DumpAddresses

(

)

Definition at line 1429 of file net.cpp.

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DumpData()

void DumpData

(

)

Definition at line 1439 of file net.cpp.

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FindNode() [1/4]

CNode* FindNode

(

const CNetAddr &

ip

)

Definition at line 301 of file net.cpp.

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FindNode() [2/4]

CNode* FindNode

(

const CService &

addr

)

Definition at line 325 of file net.cpp.

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FindNode() [3/4]

CNode* FindNode

(

const CSubNet &

subNet

)

Definition at line 309 of file net.cpp.

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FindNode() [4/4]

CNode* FindNode

(

const std::string &

addrName

)

Definition at line 317 of file net.cpp.

GetAddedNodeInfo()

std::vector<AddedNodeInfo> GetAddedNodeInfo

(

)

Definition at line 1593 of file net.cpp.

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GetListenPort()

unsigned short GetListenPort

(

)

Definition at line 114 of file net.cpp.

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GetLocal()

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

Definition at line 119 of file net.cpp.

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GetLocalAddress()

CAddress GetLocalAddress

(

const CNetAddr *

paddrPeer

)

Definition at line 164 of file net.cpp.

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GetNodeSignals()

CNodeSignals& GetNodeSignals

(

)

Definition at line 107 of file net.cpp.

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GetnScore()

int GetnScore

(

const CService &

addr

)

Definition at line 174 of file net.cpp.

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IsLimited() [1/2]

bool IsLimited

(

const CNetAddr &

addr

)

Definition at line 257 of file net.cpp.

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IsLimited() [2/2]

bool IsLimited

(

enum Network

net

)

Definition at line 252 of file net.cpp.

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IsLocal()

bool IsLocal

(

const CService &

addr

)

check whether a given address is potentially local

Definition at line 274 of file net.cpp.

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IsPeerAddrLocalGood()

bool IsPeerAddrLocalGood

(

CNode *

pnode

)

Definition at line 182 of file net.cpp.

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IsReachable() [1/2]

bool IsReachable

(

const CNetAddr &

addr

)

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

Definition at line 286 of file net.cpp.

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IsReachable() [2/2]

bool IsReachable

(

enum Network

net

)

check whether a given network is one we can probably connect to

Definition at line 280 of file net.cpp.

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MapPort()

void MapPort

(

bool

)

Definition at line 1360 of file net.cpp.

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OpenNetworkConnection()

bool OpenNetworkConnection	(	const CAddress &	addrConnect,
		bool	fCountFailure,
		CSemaphoreGrant *	grantOutbound,
		const char *	pszDest,
		bool	fOneShot,
		bool	fFeeler
	)

Definition at line 1670 of file net.cpp.

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PoissonNextSend()

int64_t PoissonNextSend	(	int64_t	nNow,
		int	average_interval_seconds
	)

Return a timestamp in the future (in microseconds) for exponentially distributed events.

Definition at line 2503 of file net.cpp.

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ReceiveFloodSize()

unsigned int ReceiveFloodSize

(

)

Definition at line 2241 of file net.cpp.

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RelayInv()

void RelayInv

(

CInv &

inv

)

Definition at line 2077 of file net.cpp.

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RelayTransaction() [1/2]

void RelayTransaction

(

const CTransaction &

tx

)

Definition at line 2028 of file net.cpp.

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RelayTransaction() [2/2]

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

Definition at line 2035 of file net.cpp.

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RelayTransactionLockReq()

void RelayTransactionLockReq	(	const CTransaction &	tx,
		bool	relayToAll
	)

Definition at line 2063 of file net.cpp.

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RemoveLocal()

bool RemoveLocal

(

const CService &

addr

)

Definition at line 237 of file net.cpp.

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SeenLocal()

bool SeenLocal

(

const CService &

addr

)

vote for a local address

Definition at line 262 of file net.cpp.

SendBufferSize()

unsigned int SendBufferSize

(

)

Definition at line 2243 of file net.cpp.

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SetLimited()

void SetLimited	(	enum Network	net,
		bool	fLimited
	)

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

Definition at line 245 of file net.cpp.

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SocketSendData()

void SocketSendData

(

CNode *

pnode

)

Definition at line 762 of file net.cpp.

StartNode()

void StartNode	(	boost::thread_group &	threadGroup,
		CScheduler &	scheduler
	)

Definition at line 1891 of file net.cpp.

StopNode()

bool StopNode

(

)

Definition at line 1972 of file net.cpp.

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ThreadDNSAddressSeed()

void ThreadDNSAddressSeed

(

)

Todo:

: The seed name resolve may fail, yielding an IP of [::], which results in

Definition at line 1377 of file net.cpp.

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ThreadMessageHandler()

void ThreadMessageHandler

(

)

Definition at line 1700 of file net.cpp.

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ThreadOpenAddedConnections()

void ThreadOpenAddedConnections

(

)

Definition at line 1645 of file net.cpp.

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ThreadOpenConnections()

void ThreadOpenConnections

(

)

Definition at line 1461 of file net.cpp.

ThreadSocketHandler()

void ThreadSocketHandler

(

)

Definition at line 1006 of file net.cpp.

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validateMasternodeIP()

bool validateMasternodeIP

(

const std::string &

addrStr

)

Definition at line 2493 of file net.cpp.

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Variable Documentation

addrman

CAddrMan addrman

Definition at line 80 of file net.cpp.

cs_mapLocalHost

RecursiveMutex cs_mapLocalHost

Definition at line 74 of file net.cpp.

cs_mapRelay

RecursiveMutex cs_mapRelay

Definition at line 89 of file net.cpp.

cs_nLastNodeId

RecursiveMutex cs_nLastNodeId

Definition at line 99 of file net.cpp.

cs_vAddedNodes

RecursiveMutex cs_vAddedNodes

Definition at line 96 of file net.cpp.

cs_vNodes

RecursiveMutex cs_vNodes

Definition at line 86 of file net.cpp.

cs_vOneShots

RecursiveMutex cs_vOneShots

Definition at line 93 of file net.cpp.

fAddressesInitialized

bool fAddressesInitialized = false

Definition at line 82 of file net.cpp.

fDiscover

bool fDiscover = true

Definition at line 71 of file net.cpp.

fListen

bool fListen = true

Definition at line 72 of file net.cpp.

instance_of_cnetcleanup

class CNetCleanup instance_of_cnetcleanup

mapAlreadyAskedFor

limitedmap<CInv, int64_t> mapAlreadyAskedFor(MAX_INV_SZ)

mapLocalHost

std::map<CNetAddr, LocalServiceInfo> mapLocalHost

Definition at line 75 of file net.cpp.

mapRelay

std::map<CInv, CDataStream> mapRelay

Definition at line 87 of file net.cpp.

messageHandlerCondition

boost::condition_variable messageHandlerCondition

Definition at line 102 of file net.cpp.

nLastNodeId

NodeId nLastNodeId = 0

Definition at line 98 of file net.cpp.

nLocalHostNonce

uint64_t nLocalHostNonce = 0

Definition at line 78 of file net.cpp.

nLocalServices

ServiceFlags nLocalServices = NODE_NETWORK

Definition at line 73 of file net.cpp.

nMaxConnections

int nMaxConnections = DEFAULT_MAX_PEER_CONNECTIONS

Definition at line 81 of file net.cpp.

strSubVersion

std::string strSubVersion

Subversion as sent to the P2P network in version messages.

Definition at line 83 of file net.cpp.

vAddedNodes

std::vector<std::string> vAddedNodes

Definition at line 95 of file net.cpp.

vNodes

std::vector<CNode*> vNodes

Definition at line 85 of file net.cpp.

vRelayExpiration

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

Definition at line 88 of file net.cpp.