net.h File Reference

#include "addrdb.h"
#include "addrman.h"
#include "bloom.h"
#include "compat.h"
#include "crypto/siphash.h"
#include "fs.h"
#include "hash.h"
#include "limitedmap.h"
#include "netaddress.h"
#include "protocol.h"
#include "random.h"
#include "streams.h"
#include "sync.h"
#include "uint256.h"
#include "utilstrencodings.h"
#include "threadinterrupt.h"
#include "validation.h"
#include <atomic>
#include <cstdint>
#include <deque>
#include <thread>
#include <memory>
#include <condition_variable>
#include <arpa/inet.h>

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Classes
struct	AddedNodeInfo
struct	CSerializedNetMsg
class	CConnman
struct	CConnman::Options
struct	CConnman::CFullyConnectedOnly
struct	CConnman::CAllNodes
struct	CConnman::ListenSocket
struct	CombinerAll
struct	LocalServiceInfo
class	CNodeStats
class	CNetMessage
class	CNode
	Information about a peer. More...
class	CExplicitNetCleanup
class	NetEventsInterface
	Interface for message handling. More...

Macros
#define	DEFAULT_ALLOW_OPTIMISTIC_SEND   false
#define	USE_WAKEUP_PIPE
#define	ENOUGH_CONNECTIONS   2
	Disconnected peers are added to setOffsetDisconnectedPeers only if node has less than ENOUGH_CONNECTIONS. More...
#define	MAX_TIMEOFFSET_DISCONNECTIONS   16
	Maximum number of peers added to setOffsetDisconnectedPeers before triggering a warning. More...

Typedefs
typedef int	NodeId
typedef std::map< std::string, uint64_t >	mapMsgCmdSize

Enumerations
enum	{   LOCAL_NONE , LOCAL_IF , LOCAL_BIND , LOCAL_MAPPED ,   LOCAL_MANUAL , LOCAL_MAX }

Functions
void	Discover ()
uint16_t	GetListenPort ()
bool	BindListenPort (const CService &bindAddr, std::string &strError, bool fWhitelisted=false)
void	CheckOffsetDisconnectedPeers (const CNetAddr &ip)
bool	IsPeerAddrLocalGood (CNode *pnode)
void	AdvertiseLocal (CNode *pnode)
void	SetReachable (enum Network net, bool reachable)
	Mark a network as reachable or unreachable (no automatic connects to it) More...
bool	IsReachable (enum Network net)
bool	IsReachable (const CNetAddr &addr)
bool	AddLocal (const CService &addr, int nScore=LOCAL_NONE)
bool	AddLocal (const CNetAddr &addr, int nScore=LOCAL_NONE)
bool	RemoveLocal (const CService &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	GetLocal (CService &addr, const CNetAddr *paddrPeer=nullptr)
CAddress	GetLocalAddress (const CNetAddr *paddrPeer, ServiceFlags nLocalServices)
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...
std::chrono::microseconds	PoissonNextSend (std::chrono::microseconds now, std::chrono::seconds average_interval)
	Wrapper to return mockable type. More...

Variables
std::unique_ptr< CConnman >	g_connman
bool	fDiscover
bool	fListen
limitedmap< CInv, int64_t >	mapAlreadyAskedFor
std::string	strSubVersion
	Subversion as sent to the P2P network in version messages. More...
RecursiveMutex	cs_mapLocalHost
std::map< CNetAddr, LocalServiceInfo >	mapLocalHost

Macro Definition Documentation

DEFAULT_ALLOW_OPTIMISTIC_SEND

#define DEFAULT_ALLOW_OPTIMISTIC_SEND   false

Definition at line 49 of file net.h.

ENOUGH_CONNECTIONS

#define ENOUGH_CONNECTIONS   2

Disconnected peers are added to setOffsetDisconnectedPeers only if node has less than ENOUGH_CONNECTIONS.

Definition at line 96 of file net.h.

MAX_TIMEOFFSET_DISCONNECTIONS

#define MAX_TIMEOFFSET_DISCONNECTIONS   16

Maximum number of peers added to setOffsetDisconnectedPeers before triggering a warning.

Definition at line 98 of file net.h.

USE_WAKEUP_PIPE

#define USE_WAKEUP_PIPE

Definition at line 50 of file net.h.

Typedef Documentation

mapMsgCmdSize

typedef std::map<std::string, uint64_t> mapMsgCmdSize

Definition at line 583 of file net.h.

NodeId

typedef int NodeId

Definition at line 109 of file net.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
LOCAL_NONE
LOCAL_IF
LOCAL_BIND
LOCAL_MAPPED
LOCAL_MANUAL
LOCAL_MAX

Definition at line 534 of file net.h.

Function Documentation

AddLocal() [1/2]

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

Definition at line 232 of file net.cpp.

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AddLocal() [2/2]

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

Definition at line 206 of file net.cpp.

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AdvertiseLocal()

void AdvertiseLocal

(

CNode *

pnode

)

Definition at line 186 of file net.cpp.

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BindListenPort()

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

CheckOffsetDisconnectedPeers()

void CheckOffsetDisconnectedPeers

(

const CNetAddr &

ip

)

Definition at line 908 of file net.cpp.

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Discover()

void Discover

(

)

Definition at line 2101 of file net.cpp.

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GetListenPort()

uint16_t GetListenPort

(

)

Definition at line 104 of file net.cpp.

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GetLocal()

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

Definition at line 110 of file net.cpp.

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GetLocalAddress()

CAddress GetLocalAddress	(	const CNetAddr *	paddrPeer,
		ServiceFlags	nLocalServices
	)

Definition at line 158 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 278 of file net.cpp.

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IsPeerAddrLocalGood()

bool IsPeerAddrLocalGood

(

CNode *

pnode

)

Definition at line 178 of file net.cpp.

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IsReachable() [1/2]

bool IsReachable

(

const CNetAddr &

addr

)

Returns

true if the address is in a reachable network, false otherwise

Definition at line 259 of file net.cpp.

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IsReachable() [2/2]

bool IsReachable

(

enum Network

net

)

Returns

true if the network is reachable, false otherwise

Definition at line 253 of file net.cpp.

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PoissonNextSend() [1/2]

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 2846 of file net.cpp.

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PoissonNextSend() [2/2]

std::chrono::microseconds PoissonNextSend ( std::chrono::microseconds  now, std::chrono::seconds  average_interval  )

inline

Wrapper to return mockable type.

Definition at line 971 of file net.h.

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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 265 of file net.cpp.

SetReachable()

void SetReachable	(	enum Network	net,
		bool	reachable
	)

Mark a network as reachable or unreachable (no automatic connects to it)

Note

Networks are reachable by default

Definition at line 245 of file net.cpp.

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validateMasternodeIP()

bool validateMasternodeIP

(

const std::string &

addrStr

)

Definition at line 2836 of file net.cpp.

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Variable Documentation

cs_mapLocalHost

RecursiveMutex cs_mapLocalHost

extern

Definition at line 91 of file net.cpp.

fDiscover

bool fDiscover

extern

Definition at line 89 of file net.cpp.

fListen

bool fListen

extern

Definition at line 90 of file net.cpp.

g_connman

std::unique_ptr<CConnman> g_connman

extern

Definition at line 90 of file init.cpp.

mapAlreadyAskedFor

limitedmap<CInv, int64_t> mapAlreadyAskedFor

extern

mapLocalHost

std::map<CNetAddr, LocalServiceInfo> mapLocalHost

extern

Definition at line 92 of file net.cpp.

strSubVersion

std::string strSubVersion

extern

Subversion as sent to the P2P network in version messages.

Definition at line 94 of file net.cpp.