ipcache_entry Class Reference

Collaboration diagram for ipcache_entry:

Classes
struct	Flags

Public Member Functions
	CBDATA_DECL_ (ipcache_entry, noexcept)
	ipcache_entry (const char *)
	~ipcache_entry ()
const char *	name () const
int	totalResponseTime () const
	milliseconds since the first lookup start or -1 if there were no lookups
int	additionalLookupDelay () const
	milliseconds since the last lookup start or -1 if there were no lookups
template<class Specs >
void	addGood (const rfc1035_rr &rr, Specs &specs)
	adds the contents of a "good" DNS A or AAAA record to stored IPs
void	latestError (const char *text)
	remembers the last error seen, overwriting any previous errors

Public Attributes
hash_link	hash
time_t	lastref
time_t	expires
ipcache_addrs	addrs
IpCacheLookupForwarder	handler
char *	error_message
dlink_node	lru
unsigned short	locks
struct ipcache_entry::Flags	flags
bool	sawCname = false

Protected Member Functions
void	updateTtl (const unsigned int rrTtl)

Detailed Description

The data structure used for storing name-address mappings is a small hashtable (static hash_table *ip_table), where structures of type ipcache_entry whose most interesting members are:

Definition at line 130 of file ipcache.cc.

Constructor & Destructor Documentation

ipcache_entry()

ipcache_entry::ipcache_entry

(

const char *

aName

)

Definition at line 409 of file ipcache.cc.

References Config, expires, hash, hash_link::key, SquidConfig::negativeDnsTtl, squid_curtime, Tolower(), and xstrdup.

~ipcache_entry()

ipcache_entry::~ipcache_entry

(

)

Definition at line 1091 of file ipcache.cc.

References hash, and xfree.

Member Function Documentation

addGood()

template<class Specs >

void ipcache_entry::addGood	(	const rfc1035_rr &	rr,
		Specs &	specs
	)

Definition at line 512 of file ipcache.cc.

References addrs, DBG_IMPORTANT, debugs, IpCacheLookupForwarder::forwardIp(), handler, Dns::CachedIps::have(), name(), Dns::CachedIps::pushUnique(), Dns::CachedIps::raw(), rfc1035_rr::rdata, rfc1035_rr::rdlength, Dns::CachedIps::size(), rfc1035_rr::ttl, and updateTtl().

Referenced by ipcacheParse().

additionalLookupDelay()

int ipcache_entry::additionalLookupDelay

(

)

const

CBDATA_DECL_()

ipcache_entry::CBDATA_DECL_	(	ipcache_entry	,
		noexcept
	)

latestError()

void ipcache_entry::latestError

(

const char *

text

)

Definition at line 458 of file ipcache.cc.

References debugs, error_message, name(), safe_free, text, and xstrdup.

Referenced by ipcacheHandleReply(), and ipcacheParse().

name()

const char * ipcache_entry::name ( ) const

inline

Definition at line 156 of file ipcache.cc.

References hash, and hash_link::key.

Referenced by addGood(), ipcacheHandleReply(), ipcacheParse(), and latestError().

totalResponseTime()

int ipcache_entry::totalResponseTime

(

)

const

updateTtl()

void ipcache_entry::updateTtl ( const unsigned int  rrTtl )

protected

Definition at line 541 of file ipcache.cc.

References addrs, Config, debugs, expires, SquidConfig::negativeDnsTtl, SquidConfig::positiveDnsTtl, Dns::CachedIps::size(), and squid_curtime.

Referenced by addGood().

Member Data Documentation

addrs

ipcache_addrs ipcache_entry::addrs

Definition at line 141 of file ipcache.cc.

Referenced by addGood(), ipcache_gethostbyname(), ipcacheAddEntryFromHosts(), ipcacheCallback(), ipcacheExpiredEntry(), ipcacheHandleReply(), ipcacheStatPrint(), and updateTtl().

error_message

char* ipcache_entry::error_message

Definition at line 143 of file ipcache.cc.

Referenced by ipcacheCallback(), ipcacheHandleReply(), and latestError().

expires

time_t ipcache_entry::expires

Definition at line 140 of file ipcache.cc.

Referenced by ipcache_entry(), ipcacheExpiredEntry(), ipcacheHandleReply(), ipcacheInvalidate(), ipcacheInvalidateNegative(), ipcacheStatPrint(), and updateTtl().

flags

struct ipcache_entry::Flags ipcache_entry::flags

Referenced by ipcache_gethostbyname(), ipcache_nbgethostbyname_(), ipcacheAddEntryFromHosts(), ipcacheExpiredEntry(), ipcacheHandleReply(), ipcacheInvalidateNegative(), and ipcacheStatPrint().

handler

IpCacheLookupForwarder ipcache_entry::handler

Definition at line 142 of file ipcache.cc.

Referenced by addGood(), ipcache_nbgethostbyname_(), ipcacheCallback(), and ipcacheHandleReply().

hash

hash_link ipcache_entry::hash

Definition at line 138 of file ipcache.cc.

Referenced by ipcache_entry(), ipcache_nbgethostbyname_(), ipcacheAddEntry(), ipcacheRelease(), ipcacheStatPrint(), and name().

lastref

time_t ipcache_entry::lastref

Definition at line 139 of file ipcache.cc.

Referenced by ipcache_gethostbyname(), ipcacheAddEntry(), ipcacheCallback(), and ipcacheStatPrint().

locks

unsigned short ipcache_entry::locks

Definition at line 146 of file ipcache.cc.

Referenced by ipcache_purgelru(), ipcacheAddEntryFromHosts(), ipcacheExpiredEntry(), ipcacheLockEntry(), and ipcacheUnlockEntry().

lru

dlink_node ipcache_entry::lru

Definition at line 145 of file ipcache.cc.

Referenced by ipcacheAddEntry(), ipcacheLockEntry(), and ipcacheRelease().

sawCname

bool ipcache_entry::sawCname = false

Definition at line 154 of file ipcache.cc.

Referenced by ipcacheHandleReply(), and ipcacheParse().

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The documentation for this class was generated from the following file:

• squid/src/ipcache.cc