net_db.h File Reference

#include "anyp/forward.h"
#include "hash.h"
#include "ip/forward.h"
#include "mem/forward.h"

Include dependency graph for net_db.h:

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Classes
class	net_db_name
class	net_db_peer
class	netdbEntry

Functions
void	netdbInit (void)
void	netdbHandlePingReply (const Ip::Address &from, int hops, int rtt)
void	netdbPingSite (const char *hostname)
void	netdbDump (StoreEntry *)
int	netdbHostHops (const char *host)
int	netdbHostRtt (const char *host)
void	netdbUpdatePeer (const AnyP::Uri &, CachePeer *, int rtt, int hops)
void	netdbDeleteAddrNetwork (Ip::Address &addr)
void	netdbBinaryExchange (StoreEntry *)
void	netdbExchangeStart (void *)
void	netdbExchangeUpdatePeer (Ip::Address &, CachePeer *, double, double)
CachePeer *	netdbClosestParent (PeerSelector *)
void	netdbHostData (const char *host, int *samp, int *rtt, int *hops)

Function Documentation

netdbBinaryExchange()

void netdbBinaryExchange

(

StoreEntry *

s

)

Definition at line 1107 of file net_db.cc.

References addr_table, StoreEntry::append(), assert, StoreEntry::buffer(), StoreEntry::complete(), StoreEntry::flush(), Ip::Address::getInAddr(), hash_first(), hash_next(), netdbEntry::hops, int, Ip::Address::isIPv4(), MEM_4K_BUF, memAllocate(), memFree(), NETDB_EX_HOPS, NETDB_EX_NETWORK, NETDB_EX_RTT, netdbEntry::network, StoreEntry::replaceHttpReply(), netdbEntry::rtt, Http::scBadRequest, Http::scOkay, HttpReply::setHeaders(), squid_curtime, and storeAppendPrintf().

Referenced by internalStart().

netdbClosestParent()

CachePeer * netdbClosestParent

(

PeerSelector *

ps

)

Definition at line 1258 of file net_db.cc.

References assert, Dns::CachedIps::current(), findUsableParentAtHostname(), AnyP::Uri::host(), ipcache_gethostbyname(), netdbEntry::last_use_time, netdbEntry::n_peers, netdbLookupAddr(), netdbLookupHost(), net_db_peer::peername, netdbEntry::peers, PeerSelector::request, net_db_peer::rtt, netdbEntry::rtt, squid_curtime, and HttpRequest::url.

Referenced by PeerSelector::selectSomeNeighbor().

netdbDeleteAddrNetwork()

void netdbDeleteAddrNetwork

(

Ip::Address &

addr

)

Definition at line 1090 of file net_db.cc.

References debugs, netdbLookupAddr(), netdbRelease(), and netdbEntry::network.

Referenced by Comm::ConnOpener::sendAnswer().

netdbDump()

void netdbDump

(

StoreEntry *

sentry

)

Definition at line 877 of file net_db.cc.

References addr_table, DBG_CRITICAL, debugs, hash_first(), hash_next(), hashKeyStr(), net_db_peer::hops, netdbEntry::hops, netdbEntry::hosts, netdbEntry::n_peers, netdbEntry::network, net_db_name::next, net_db_peer::peername, netdbEntry::peers, netdbEntry::pings_recv, netdbEntry::pings_sent, net_db_peer::rtt, netdbEntry::rtt, sortByRtt(), storeAppendPrintf(), xcalloc(), and xfree.

Referenced by netdbInit().

netdbExchangeStart()

void netdbExchangeStart

(

void *

data

)

Definition at line 1197 of file net_db.cc.

References assert, DBG_IMPORTANT, debugs, netdbExchangeState::e, Security::PeerOptions::encryptTransport, HttpRequest::flags, HttpRequest::FromUrlXXX(), FwdState::fwdStart(), RefCount< C >::getRaw(), CachePeer::host, CachePeer::http_port, internalRemoteUri(), CachePeer::login, RequestFlags::loopDetected, Store::ParsingBuffer::makeInitialSpace(), Http::METHOD_GET, MYNAME, netdbExchangeHandleReply, netdbExchangeState::parsingBuffer, netdbExchangeState::r, netdbExchangeState::sc, CachePeer::secure, storeClientCopy(), storeClientListAdd(), storeCreateEntry(), HttpRequest::url, and AnyP::Uri::userInfo().

Referenced by peerDNSConfigure().

netdbExchangeUpdatePeer()

void netdbExchangeUpdatePeer	(	Ip::Address &	addr,
		CachePeer *	e,
		double	rtt,
		double	hops
	)

Definition at line 1043 of file net_db.cc.

References assert, debugs, net_db_peer::expires, net_db_peer::hops, CachePeer::host, Ip::Address::isIPv4(), netdbEntry::n_peers, netdbAdd(), netdbLookupAddr(), netdbPeerAdd(), netdbPeerByName(), netdbEntry::peers, net_db_peer::rtt, sortPeerByRtt(), and squid_curtime.

Referenced by netdbExchangeHandleReply().

netdbHandlePingReply()

void netdbHandlePingReply	(	const Ip::Address &	from,
		int	hops,
		int	rtt
	)

Definition at line 844 of file net_db.cc.

References debugs, netdbEntry::hops, netdbLookupAddr(), netdbEntry::network, netdbEntry::pings_recv, and netdbEntry::rtt.

Referenced by IcmpSquid::Recv().

netdbHostData()

void netdbHostData	(	const char *	host,
		int *	samp,
		int *	rtt,
		int *	hops
	)

Definition at line 977 of file net_db.cc.

References netdbEntry::hops, int, netdbEntry::last_use_time, netdbLookupHost(), netdbEntry::pings_recv, netdbEntry::rtt, and squid_curtime.

Referenced by htcpTstReply().

netdbHostHops()

int netdbHostHops

(

const char *

host

)

Definition at line 944 of file net_db.cc.

References netdbEntry::hops, netdbEntry::last_use_time, netdbLookupHost(), and squid_curtime.

Referenced by PeerSelector::checkNetdbDirect(), and doV2Query().

netdbHostRtt()

int netdbHostRtt

(

const char *

host

)

Definition at line 960 of file net_db.cc.

References netdbEntry::last_use_time, netdbLookupHost(), netdbEntry::rtt, and squid_curtime.

Referenced by PeerSelector::checkNetdbDirect(), doV2Query(), neighborsDigestSelect(), and urnParseReply().

netdbInit()

void netdbInit

(

void

)

Definition at line 803 of file net_db.cc.

References addr_table, Config, eventAddIsh(), hash_create(), hash_string, hashPrime(), SquidConfig::high, host_table, SquidConfig::Netdb, netdbDump(), netdbReloadState(), netdbSaveState(), and Mgr::RegisterAction().

Referenced by serverConnectionsOpen().

netdbPingSite()

void netdbPingSite

(

const char *

hostname

)

Definition at line 827 of file net_db.cc.

References ipcache_nbgethostbyname(), netdbLookupHost(), netdbSendPing, netdbEntry::next_ping_time, squid_curtime, and xstrdup.

Referenced by TunnelStateData::connectDone(), FwdState::dispatch(), doV2Query(), and urnParseReply().

netdbUpdatePeer()

void netdbUpdatePeer	(	const AnyP::Uri &	url,
		CachePeer *	e,
		int	rtt,
		int	hops
	)

Definition at line 1002 of file net_db.cc.

References debugs, double, net_db_peer::expires, net_db_peer::hops, AnyP::Uri::host(), CachePeer::host, netdbEntry::n_peers, netdbLookupHost(), netdbPeerAdd(), netdbPeerByName(), netdbEntry::peers, net_db_peer::rtt, sortPeerByRtt(), and squid_curtime.

Referenced by PeerSelector::handleHtcpParentMiss(), and PeerSelector::handleIcpParentMiss().