IpCacheLookupForwarder Class Reference

forwards non-blocking IP cache lookup results to either IPH or IpReciever More...

Collaboration diagram for IpCacheLookupForwarder:

Classes
struct	firstLookupStart
	time of the idnsALookup() call More...
struct	lastLookupEnd
	time of the last noteLookup() call More...

Public Member Functions
	IpCacheLookupForwarder ()
	IpCacheLookupForwarder (const CbcPointer< Dns::IpReceiver > &receiver)
	IpCacheLookupForwarder (IPH *fun, void *data)
void	finalCallback (const Dns::CachedIps *addrs, const Dns::LookupDetails &details)
	forwards notification about the end of the lookup; last method to be called
bool	forwardIp (const Ip::Address &ip)
void	forwardHits (const Dns::CachedIps &ips)
	convenience wrapper to safely forwardIp() for each IP in the container
void	lookupsStarting ()
	initialize lookup timestamps for Dns::LookupDetails delay calculation
void	forwardLookup (const char *error)
	inform recipient of a finished lookup
int	totalResponseTime () const

Protected Member Functions
int	additionalLookupDelay () const

Private Attributes
CbcPointer< Dns::IpReceiver >	receiverObj
	gets incremental and final results
IPH *	receiverFun = nullptr
	gets final results
CallbackData	receiverData
	caller-specific data for the handler (optional)

Detailed Description

Definition at line 82 of file ipcache.cc.

Constructor & Destructor Documentation

IpCacheLookupForwarder() [1/3]

IpCacheLookupForwarder::IpCacheLookupForwarder ( )

inline

Definition at line 85 of file ipcache.cc.

IpCacheLookupForwarder() [2/3]

IpCacheLookupForwarder::IpCacheLookupForwarder ( const CbcPointer< Dns::IpReceiver > &  receiver )

explicit

Definition at line 220 of file ipcache.cc.

IpCacheLookupForwarder() [3/3]

IpCacheLookupForwarder::IpCacheLookupForwarder	(	IPH *	fun,
		void *	data
	)

Definition at line 225 of file ipcache.cc.

Member Function Documentation

additionalLookupDelay()

int IpCacheLookupForwarder::additionalLookupDelay ( ) const

inlineprotected

Returns

not yet reported lookup delay in milliseconds

Definition at line 110 of file ipcache.cc.

References current_time, and tvSubMsec().

Referenced by forwardLookup().

finalCallback()

void IpCacheLookupForwarder::finalCallback	(	const Dns::CachedIps *	addrs,
		const Dns::LookupDetails &	details
	)

Definition at line 231 of file ipcache.cc.

References CbcPointer< Cbc >::clear(), debugs, Dns::CachedIps::empty(), receiverData, receiverFun, receiverObj, CbcPointer< Cbc >::set(), CbcPointer< Cbc >::valid(), CallbackData::valid(), and CallbackData::validDone().

Referenced by ipcache_nbgethostbyname_(), and ipcacheCallback().

forwardHits()

void IpCacheLookupForwarder::forwardHits

(

const Dns::CachedIps &

ips

)

Definition at line 268 of file ipcache.cc.

References forwardIp(), Dns::CachedIps::good(), receiverObj, and CbcPointer< Cbc >::set().

Referenced by ipcache_nbgethostbyname_(), and ipcacheCallback().

forwardIp()

bool IpCacheLookupForwarder::forwardIp

(

const Ip::Address &

ip

)

forwards an IP notification

Returns

whether it may be possible to deliver more notifications

Definition at line 252 of file ipcache.cc.

References debugs, receiverObj, CbcPointer< Cbc >::set(), and CbcPointer< Cbc >::valid().

Referenced by ipcache_entry::addGood(), and forwardHits().

forwardLookup()

void IpCacheLookupForwarder::forwardLookup

(

const char *

error

)

Definition at line 280 of file ipcache.cc.

References additionalLookupDelay(), current_time, error(), receiverObj, CbcPointer< Cbc >::set(), and CbcPointer< Cbc >::valid().

Referenced by ipcacheHandleReply().

lookupsStarting()

void IpCacheLookupForwarder::lookupsStarting ( )

inline

Definition at line 100 of file ipcache.cc.

References current_time.

Referenced by ipcache_nbgethostbyname_().

totalResponseTime()

int IpCacheLookupForwarder::totalResponseTime ( ) const

inline

Returns

milliseconds since the first lookup start

Definition at line 106 of file ipcache.cc.

References current_time, and tvSubMsec().

Referenced by ipcacheHandleReply().

Member Data Documentation

receiverData

CallbackData IpCacheLookupForwarder::receiverData

private

Definition at line 116 of file ipcache.cc.

Referenced by finalCallback().

receiverFun

IPH* IpCacheLookupForwarder::receiverFun = nullptr

private

Definition at line 115 of file ipcache.cc.

Referenced by finalCallback().

receiverObj

CbcPointer<Dns::IpReceiver> IpCacheLookupForwarder::receiverObj

private

Definition at line 114 of file ipcache.cc.

Referenced by finalCallback(), forwardHits(), forwardIp(), and forwardLookup().

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

• squid/src/ipcache.cc