fqdncache.cc File Reference

#include "squid.h"
#include "cbdata.h"
#include "dns/forward.h"
#include "dns/LookupDetails.h"
#include "dns/rfc1035.h"
#include "event.h"
#include "fqdncache.h"
#include "helper.h"
#include "mgr/Registration.h"
#include "snmp_agent.h"
#include "SquidConfig.h"
#include "StatCounters.h"
#include "Store.h"
#include "util.h"
#include "snmp_core.h"

Include dependency graph for fqdncache.cc:

Go to the source code of this file.

Classes
class	fqdncache_entry
struct	fqdncache_entry::Flags
struct	_fqdn_cache_stats

Macros
#define	FQDN_LOW_WATER   90
#define	FQDN_HIGH_WATER   95

Functions
static int	fqdncacheParse (fqdncache_entry *f, const rfc1035_rr *answers, int nr, const char *error_message)
static void	fqdncacheRelease (fqdncache_entry *)
static void	fqdncacheCallback (fqdncache_entry *, int wait)
static fqdncache_entry *	fqdncache_get (const char *)
static int	fqdncacheExpiredEntry (const fqdncache_entry *f)
static void	fqdncacheLockEntry (fqdncache_entry *f)
static void	fqdncacheUnlockEntry (fqdncache_entry *f)
static void	fqdncacheAddEntry (fqdncache_entry *f)
int	fqdncacheCount ()
void	fqdncache_purgelru (void *)
static void	purge_entries_fromhosts (void)
static void	fqdncacheHandleReply (void *data, const rfc1035_rr *answers, int na, const char *error_message, const bool lastAnswer)
void	fqdncache_nbgethostbyaddr (const Ip::Address &addr, FQDNH *handler, void *handlerData)
const char *	fqdncache_gethostbyaddr (const Ip::Address &addr, int flags)
void	fqdnStats (StoreEntry *sentry)
void	fqdncache_restart (void)
void	fqdncacheAddEntryFromHosts (char *addr, SBufList &hostnames)
static void	fqdncacheRegisterWithCacheManager (void)
void	fqdncache_init (void)
variable_list *	snmp_netFqdnFn (variable_list *Var, snint *ErrP)

Variables
static struct _fqdn_cache_stats	FqdncacheStats
static dlink_list	lru_list
static IDNSCB	fqdncacheHandleReply
static hash_table *	fqdn_table = nullptr
static long	fqdncache_low = 180
static long	fqdncache_high = 200

Function Documentation

fqdncacheAddEntryFromHosts()

void fqdncacheAddEntryFromHosts	(	char *	addr,
		SBufList &	hostnames
	)

Adds a "static" entry from /etc/hosts.

Parameters

addr	FQDN name to be added.
hostnames	list of hostnames for the addr

Definition at line 636 of file fqdncache.cc.

References DBG_IMPORTANT, debugs, fqdncache_entry::flags, FQDN_MAX_NAMES, fqdncache_get(), fqdncacheAddEntry(), fqdncacheLockEntry(), fqdncacheRelease(), fqdncacheUnlockEntry(), fqdncache_entry::Flags::fromhosts, fqdncache_entry::locks, fqdncache_entry::name_count, fqdncache_entry::names, Tolower(), and xstrdup.

Referenced by parseEtcHosts().

Variable Documentation

fqdncacheHandleReply

IDNSCB fqdncacheHandleReply

static

Definition at line 122 of file fqdncache.cc.

Referenced by fqdncache_nbgethostbyaddr().