htcp.cc File Reference

#include "squid.h"
#include "AccessLogEntry.h"
#include "acl/Acl.h"
#include "acl/FilledChecklist.h"
#include "base/AsyncCallbacks.h"
#include "CachePeer.h"
#include "CachePeers.h"
#include "comm.h"
#include "comm/Connection.h"
#include "comm/Loops.h"
#include "compat/xalloc.h"
#include "debug/Messages.h"
#include "globals.h"
#include "htcp.h"
#include "http.h"
#include "http/ContentLengthInterpreter.h"
#include "HttpRequest.h"
#include "icmp/net_db.h"
#include "ip/tools.h"
#include "ipc/StartListening.h"
#include "md5.h"
#include "mem/forward.h"
#include "MemBuf.h"
#include "refresh.h"
#include "SquidConfig.h"
#include "StatCounters.h"
#include "Store.h"
#include "store_key_md5.h"
#include "StoreClient.h"
#include "tools.h"

Include dependency graph for htcp.cc:

Go to the source code of this file.

Classes
struct	_Countstr
struct	_htcpHeader
struct	_htcpDataHeaderSquid
struct	_htcpDataHeader
struct	_htcpAuthHeader
class	htcpSpecifier
class	htcpDetail
class	htcpStuff

Macros
#define	N_QUERIED_KEYS   8192

Typedefs
typedef struct _Countstr	Countstr
typedef struct _htcpHeader	htcpHeader
typedef struct _htcpDataHeader	htcpDataHeader
typedef struct _htcpDataHeaderSquid	htcpDataHeaderSquid
typedef struct _htcpAuthHeader	htcpAuthHeader

Enumerations
enum	{   HTCP_NOP ,   HTCP_TST ,   HTCP_MON ,   HTCP_SET ,   HTCP_CLR ,   HTCP_END }
enum	{   AUTH_REQUIRED ,   AUTH_FAILURE ,   OPCODE_UNIMPLEMENTED ,   MAJOR_VERSION_UNSUPPORTED ,   MINOR_VERSION_UNSUPPORTED ,   INVALID_OPCODE }
enum	{   RR_REQUEST ,   RR_RESPONSE }

Functions
static void	htcpIncomingConnectionOpened (Ipc::StartListeningAnswer &)
static ssize_t	htcpBuildPacket (char *buf, size_t buflen, htcpStuff *stuff)
static htcpDetail *	htcpUnpackDetail (char *buf, int sz)
static ssize_t	htcpBuildAuth (char *buf, size_t buflen)
static ssize_t	htcpBuildCountstr (char *buf, size_t buflen, const char *s, size_t len)
static ssize_t	htcpBuildData (char *buf, size_t buflen, htcpStuff *stuff)
static ssize_t	htcpBuildDetail (char *buf, size_t buflen, htcpStuff *stuff)
static ssize_t	htcpBuildOpData (char *buf, size_t buflen, htcpStuff *stuff)
static ssize_t	htcpBuildSpecifier (char *buf, size_t buflen, htcpStuff *stuff)
static ssize_t	htcpBuildTstOpData (char *buf, size_t buflen, htcpStuff *stuff)
static void	htcpHandleMsg (char *buf, int sz, Ip::Address &from)
static void	htcpLogHtcp (Ip::Address &, const int, const LogTags_ot, const char *, AccessLogEntryPointer)
static void	htcpHandleTst (htcpDataHeader *, char *buf, int sz, Ip::Address &from)
static void	htcpRecv (int fd, void *data)
static void	htcpSend (const char *buf, int len, Ip::Address &to)
static void	htcpTstReply (htcpDataHeader *, StoreEntry *, htcpSpecifier *, Ip::Address &)
static void	htcpHandleTstRequest (htcpDataHeader *, char *buf, int sz, Ip::Address &from)
static void	htcpHandleTstResponse (htcpDataHeader *, char *, int, Ip::Address &)
static void	htcpSyncAle (AccessLogEntryPointer &al, const Ip::Address &caddr, const int opcode, const char *url)
static void	htcpHexdump (const char *tag, const char *s, int sz)
static ssize_t	htcpBuildClrOpData (char *buf, size_t buflen, htcpStuff *stuff)
static htcpSpecifier::Pointer	htcpUnpackSpecifier (char *buf, int sz)
static bool	htcpAccessAllowed (acl_access *acl, const htcpSpecifier::Pointer &s, Ip::Address &from)
static void	htcpClrReply (htcpDataHeader *dhdr, int purgeSucceeded, Ip::Address &from)
static void	htcpClrStoreEntry (StoreEntry *e)
static int	htcpClrStore (const htcpSpecifier::Pointer &s)
static void	htcpHandleClr (htcpDataHeader *hdr, char *buf, int sz, Ip::Address &from)
static void	htcpForwardClr (char *buf, int sz)
void	htcpOpenPorts (void)
int	htcpQuery (StoreEntry *e, HttpRequest *req, CachePeer *p)
void	htcpClear (StoreEntry *e, HttpRequest *req, const HttpRequestMethod &, CachePeer *p, htcp_clr_reason reason)
void	htcpSocketShutdown (void)
void	htcpClosePorts (void)

Variables
static const char *const	htcpOpcodeStr []
static uint32_t	msg_id_counter = 0
static Comm::ConnectionPointer	htcpOutgoingConn = nullptr
static Comm::ConnectionPointer	htcpIncomingConn = nullptr
static uint32_t	queried_id [N_QUERIED_KEYS]
static cache_key	queried_keys [N_QUERIED_KEYS][SQUID_MD5_DIGEST_LENGTH]
static Ip::Address	queried_addr [N_QUERIED_KEYS]
static int	old_squid_format = 0

Macro Definition Documentation

N_QUERIED_KEYS

#define N_QUERIED_KEYS   8192

Definition at line 242 of file htcp.cc.

Typedef Documentation

Countstr

typedef struct _Countstr Countstr

Definition at line 42 of file htcp.cc.

htcpAuthHeader

typedef struct _htcpAuthHeader htcpAuthHeader

Definition at line 50 of file htcp.cc.

htcpDataHeader

typedef struct _htcpDataHeader htcpDataHeader

Definition at line 46 of file htcp.cc.

htcpDataHeaderSquid

typedef struct _htcpDataHeaderSquid htcpDataHeaderSquid

Definition at line 48 of file htcp.cc.

htcpHeader

typedef struct _htcpHeader htcpHeader

Definition at line 44 of file htcp.cc.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
HTCP_NOP
HTCP_TST
HTCP_MON
HTCP_SET
HTCP_CLR
HTCP_END

Definition at line 199 of file htcp.cc.

anonymous enum

anonymous enum

Enumerator
AUTH_REQUIRED
AUTH_FAILURE
OPCODE_UNIMPLEMENTED
MAJOR_VERSION_UNSUPPORTED
MINOR_VERSION_UNSUPPORTED
INVALID_OPCODE

Definition at line 220 of file htcp.cc.

anonymous enum

anonymous enum

Enumerator
RR_REQUEST
RR_RESPONSE

Definition at line 232 of file htcp.cc.

Function Documentation

htcpAccessAllowed()

static bool htcpAccessAllowed ( acl_access *  acl, const htcpSpecifier::Pointer &  s, Ip::Address &  from  )

static

Definition at line 799 of file htcp.cc.

References Acl::Answer::allowed(), ACLChecklist::fastCheck(), RefCount< C >::getRaw(), ACLFilledChecklist::my_addr, Ip::Address::setNoAddr(), and ACLFilledChecklist::src_addr.

Referenced by htcpHandleClr(), and htcpHandleTstRequest().

htcpBuildAuth()

static ssize_t htcpBuildAuth ( char *  buf, size_t  buflen  )

static

Definition at line 321 of file htcp.cc.

References assert, and _htcpAuthHeader::length.

Referenced by htcpBuildPacket().

htcpBuildClrOpData()

static ssize_t htcpBuildClrOpData ( char *  buf, size_t  buflen, htcpStuff *  stuff  )

static

Definition at line 456 of file htcp.cc.

References debugs, fatal_dump(), htcpBuildSpecifier(), htcpStuff::reason, htcpStuff::rr, RR_REQUEST, and RR_RESPONSE.

Referenced by htcpBuildOpData().

htcpBuildCountstr()

static ssize_t htcpBuildCountstr ( char *  buf, size_t  buflen, const char *  s, size_t  len  )

static

Definition at line 335 of file htcp.cc.

References debugs.

Referenced by htcpBuildDetail(), and htcpBuildSpecifier().

htcpBuildData()

static ssize_t htcpBuildData ( char *  buf, size_t  buflen, htcpStuff *  stuff  )

static

Definition at line 500 of file htcp.cc.

References debugs, _htcpDataHeaderSquid::F1, _htcpDataHeader::F1, htcpStuff::f1, htcpBuildOpData(), _htcpDataHeaderSquid::length, _htcpDataHeader::length, _htcpDataHeader::msg_id, htcpStuff::msg_id, old_squid_format, htcpStuff::op, _htcpDataHeaderSquid::opcode, _htcpDataHeader::opcode, _htcpDataHeaderSquid::response, _htcpDataHeader::response, htcpStuff::response, _htcpDataHeaderSquid::RR, _htcpDataHeader::RR, and htcpStuff::rr.

Referenced by htcpBuildPacket().

htcpBuildDetail()

static ssize_t htcpBuildDetail ( char *  buf, size_t  buflen, htcpStuff *  stuff  )

static

Definition at line 402 of file htcp.cc.

References htcpDetail::cache_hdrs, htcpDetail::cacheHdrsSz, htcpStuff::D, htcpDetail::entity_hdrs, htcpDetail::entityHdrsSz, htcpBuildCountstr(), htcpDetail::resp_hdrs, and htcpDetail::respHdrsSz.

Referenced by htcpBuildTstOpData().

htcpBuildOpData()

static ssize_t htcpBuildOpData ( char *  buf, size_t  buflen, htcpStuff *  stuff  )

static

Definition at line 476 of file htcp.cc.

References assert, debugs, HTCP_CLR, HTCP_TST, htcpBuildClrOpData(), htcpBuildTstOpData(), htcpOpcodeStr, and htcpStuff::op.

Referenced by htcpBuildData().

htcpBuildPacket()

static ssize_t htcpBuildPacket ( char *  buf, size_t  buflen, htcpStuff *  stuff  )

static

Definition at line 552 of file htcp.cc.

References debugs, htcpBuildAuth(), htcpBuildData(), _htcpHeader::length, _htcpHeader::major, _htcpHeader::minor, and old_squid_format.

Referenced by htcpClear(), htcpClrReply(), htcpQuery(), and htcpTstReply().

htcpBuildSpecifier()

static ssize_t htcpBuildSpecifier ( char *  buf, size_t  buflen, htcpStuff *  stuff  )

static

Definition at line 364 of file htcp.cc.

References debugs, htcpBuildCountstr(), htcpSpecifier::method, htcpSpecifier::req_hdrs, htcpSpecifier::reqHdrsSz, htcpStuff::S, htcpSpecifier::uri, and htcpSpecifier::version.

Referenced by htcpBuildClrOpData(), and htcpBuildTstOpData().

htcpBuildTstOpData()

static ssize_t htcpBuildTstOpData ( char *  buf, size_t  buflen, htcpStuff *  stuff  )

static

Definition at line 431 of file htcp.cc.

References debugs, htcpStuff::f1, fatal_dump(), htcpBuildDetail(), htcpBuildSpecifier(), htcpStuff::rr, RR_REQUEST, and RR_RESPONSE.

Referenced by htcpBuildOpData().

htcpClear()

void htcpClear	(	StoreEntry *	e,
		HttpRequest *	req,
		const HttpRequestMethod &	method,
		CachePeer *	p,
		htcp_clr_reason	reason
	)

Definition at line 1564 of file htcp.cc.

References MemBuf::buf, SBuf::c_str(), HttpHeader::clean(), MemBuf::clean(), debugs, HttpRequest::effectiveRequestUri(), hoRequest, HTCP_CLR, HTCP_CLR_INVALIDATION, CachePeer::htcp_oldsquid, htcpBuildPacket(), htcpIncomingConn, htcpSend(), Http::Message::http_ver, HttpStateData::httpBuildRequestHeader(), HttpRequestMethod::image(), CachePeer::in_addr, MemBuf::init(), Comm::IsConnOpen(), AnyP::ProtocolVersion::major, htcpSpecifier::method, HttpRequest::method, AnyP::ProtocolVersion::minor, msg_id_counter, old_squid_format, CachePeer::options, HttpHeader::packInto(), htcpStuff::reason, htcpSpecifier::req_hdrs, htcpSpecifier::request, RR_REQUEST, htcpStuff::S, sb, htcpSpecifier::uri, and htcpSpecifier::version.

Referenced by neighborsHtcpClear().

htcpClosePorts()

void htcpClosePorts

(

void

)

Definition at line 1645 of file htcp.cc.

References DBG_IMPORTANT, debugs, htcpOutgoingConn, htcpSocketShutdown(), and Comm::Connection::local.

Referenced by mainReconfigureStart(), and SquidShutdown().

htcpClrReply()

static void htcpClrReply ( htcpDataHeader *  dhdr, int  purgeSucceeded, Ip::Address &  from  )

static

Definition at line 901 of file htcp.cc.

References debugs, _htcpDataHeader::F1, HTCP_CLR, htcpBuildPacket(), htcpSend(), _htcpDataHeader::msg_id, htcpStuff::response, and RR_RESPONSE.

Referenced by htcpHandleClr().

htcpClrStore()

static int htcpClrStore ( const htcpSpecifier::Pointer &  s )

static

Definition at line 1025 of file htcp.cc.

References debugs, RefCount< C >::getRaw(), htcpClrStoreEntry(), HttpRequest::parseHeader(), and storeGetPublicByRequest().

Referenced by htcpHandleClr().

htcpClrStoreEntry()

static void htcpClrStoreEntry ( StoreEntry *  e )

static

Definition at line 1018 of file htcp.cc.

References debugs, StoreEntry::releaseRequest(), and StoreEntry::url().

Referenced by htcpClrStore().

htcpForwardClr()

static void htcpForwardClr ( char *  buf, int  sz  )

static

Definition at line 1274 of file htcp.cc.

References CurrentCachePeers(), and htcpSend().

Referenced by htcpHandleMsg().

htcpHandleClr()

static void htcpHandleClr ( htcpDataHeader *  hdr, char *  buf, int  sz, Ip::Address &  from  )

static

Definition at line 1206 of file htcp.cc.

References SquidConfig::accessList, Config, dash_str, debugs, SquidConfig::htcp_clr, htcpAccessAllowed(), htcpClrReply(), htcpClrStore(), htcpLogHtcp(), htcpUnpackSpecifier(), LOG_UDP_DENIED, LOG_UDP_HIT, LOG_UDP_INVALID, LOG_UDP_MISS, and _htcpDataHeader::opcode.

Referenced by htcpHandleMsg().

htcpHandleMsg()

static void htcpHandleMsg ( char *  buf, int  sz, Ip::Address &  from  )

static

Definition at line 1297 of file htcp.cc.

References debugs, _htcpDataHeaderSquid::F1, _htcpDataHeader::F1, HTCP_CLR, HTCP_END, HTCP_MON, HTCP_NOP, HTCP_SET, HTCP_TST, htcpForwardClr(), htcpHandleClr(), htcpHandleTst(), htcpHexdump(), htcpOpcodeStr, int, _htcpHeader::length, _htcpDataHeaderSquid::length, _htcpDataHeader::length, _htcpHeader::major, _htcpHeader::minor, _htcpDataHeaderSquid::msg_id, _htcpDataHeader::msg_id, old_squid_format, _htcpDataHeaderSquid::opcode, _htcpDataHeader::opcode, _htcpDataHeader::reserved, _htcpDataHeaderSquid::response, _htcpDataHeader::response, _htcpDataHeaderSquid::RR, and _htcpDataHeader::RR.

Referenced by htcpRecv().

htcpHandleTst()

static void htcpHandleTst ( htcpDataHeader *  hdr, char *  buf, int  sz, Ip::Address &  from  )

static

Definition at line 1058 of file htcp.cc.

References debugs, htcpHandleTstRequest(), htcpHandleTstResponse(), _htcpDataHeader::RR, and RR_REQUEST.

Referenced by htcpHandleMsg().

htcpHandleTstRequest()

static void htcpHandleTstRequest ( htcpDataHeader *  dhdr, char *  buf, int  sz, Ip::Address &  from  )

static

Definition at line 1154 of file htcp.cc.

References SquidConfig::accessList, Config, dash_str, debugs, _htcpDataHeader::F1, SquidConfig::htcp, htcpAccessAllowed(), htcpLogHtcp(), htcpUnpackSpecifier(), LOG_UDP_DENIED, LOG_UDP_INVALID, and _htcpDataHeader::opcode.

Referenced by htcpHandleTst().

htcpHandleTstResponse()

static void htcpHandleTstResponse ( htcpDataHeader *  hdr, char *  buf, int  sz, Ip::Address &  from  )

static

Definition at line 1084 of file htcp.cc.

References htcpDetail::cache_hdrs, htcpDetail::cacheHdrsSz, HttpHeader::clean(), debugs, htcpDetail::entity_hdrs, htcpDetail::entityHdrsSz, _htcpDataHeader::F1, HtcpReplyData::hdr, HtcpReplyData::hit, htcpUnpackDetail(), _htcpDataHeader::msg_id, HtcpReplyData::msg_id, N_QUERIED_KEYS, neighborsHtcpReply(), HtcpReplyData::parseHeader(), Ip::Address::port(), queried_addr, queried_id, queried_keys, htcpDetail::resp_hdrs, htcpDetail::respHdrsSz, _htcpDataHeader::response, and storeKeyText().

Referenced by htcpHandleTst().

htcpHexdump()

static void htcpHexdump ( const char *  tag, const char *  s, int  sz  )

static

Definition at line 291 of file htcp.cc.

References debugs.

Referenced by htcpHandleMsg(), and htcpSend().

htcpIncomingConnectionOpened()

static void htcpIncomingConnectionOpened ( Ipc::StartListeningAnswer &  answer )

static

Definition at line 1497 of file htcp.cc.

References SquidConfig::Addrs, COMM_SELECT_READ, Config, Ipc::StartListeningAnswer::conn, conn, DBG_CRITICAL, DBG_IMPORTANT, debugs, fatal(), htcpOutgoingConn, htcpRecv(), Comm::IsConnOpen(), Ip::Address::isNoAddr(), Comm::Connection::local, Comm::SetSelect(), and SquidConfig::udp_outgoing.

Referenced by htcpOpenPorts().

htcpLogHtcp()

static void htcpLogHtcp ( Ip::Address &  caddr, const int  opcode, const LogTags_ot  logcode, const char *  url, AccessLogEntryPointer  al  )

static

Definition at line 1656 of file htcp.cc.

References accessLogLog(), assert, AccessLogEntry::cache, AccessLogEntry::CacheDetails::code, Config, htcpSyncAle(), LOG_TAG_NONE, SquidConfig::log_udp, SquidConfig::onoff, and LogTags::update().

Referenced by htcpSpecifier::checkedHit(), htcpHandleClr(), and htcpHandleTstRequest().

htcpOpenPorts()

void htcpOpenPorts

(

void

)

Definition at line 1442 of file htcp.cc.

References SquidConfig::Addrs, asyncCallbackFun, comm_open_listener(), COMM_SELECT_READ, Config, DBG_CRITICAL, DBG_IMPORTANT, debugs, Ip::EnableIpv6, enter_suid(), fatal(), Comm::Connection::fd, Ipc::fdnInHtcpSocket, SquidConfig::htcp, htcpIncomingConn, htcpIncomingConnectionOpened(), htcpOutgoingConn, htcpRecv(), Important, IPV6_SPECIAL_SPLITSTACK, Ip::Address::isAnyAddr(), Comm::IsConnOpen(), Ip::Address::isNoAddr(), leave_suid(), Comm::Connection::local, Ip::Address::port(), SquidConfig::Port, Ip::Address::setIPv4(), Comm::SetSelect(), Ipc::StartListening(), SquidConfig::udp_incoming, and SquidConfig::udp_outgoing.

Referenced by serverConnectionsOpen().

htcpQuery()

int htcpQuery	(	StoreEntry *	e,
		HttpRequest *	req,
		CachePeer *	p
	)

Generate and Send an HTCP query to the specified peer.

Parameters

e
req
p

Return values

1	Successfully sent request.
0	Unable to send request at this time. HTCP may be shutting down or starting up. Don't wait for a reply or count in stats as sent.
-1	Error sending request.

Definition at line 1515 of file htcp.cc.

References MemBuf::buf, HttpHeader::clean(), MemBuf::clean(), debugs, hoRequest, CachePeer::htcp_oldsquid, HTCP_TST, htcpBuildPacket(), htcpIncomingConn, htcpSend(), Http::Message::http_ver, HttpStateData::httpBuildRequestHeader(), HttpRequestMethod::image(), CachePeer::in_addr, MemBuf::init(), Comm::IsConnOpen(), hash_link::key, AnyP::ProtocolVersion::major, htcpSpecifier::method, HttpRequest::method, AnyP::ProtocolVersion::minor, htcpStuff::msg_id, msg_id_counter, N_QUERIED_KEYS, old_squid_format, CachePeer::options, HttpHeader::packInto(), queried_addr, queried_id, queried_keys, htcpSpecifier::req_hdrs, RR_REQUEST, htcpStuff::S, sb, storeKeyCopy(), storeKeyText(), htcpSpecifier::uri, StoreEntry::url(), and htcpSpecifier::version.

Referenced by neighborsUdpPing().

htcpRecv()

static void htcpRecv ( int  fd, void *  data  )

static

Definition at line 1415 of file htcp.cc.

References COMM_SELECT_READ, comm_udp_recvfrom(), debugs, StatCounters::htcp, htcpHandleMsg(), htcpRecv(), StatCounters::pkts_recv, Comm::SetSelect(), and statCounter.

Referenced by htcpIncomingConnectionOpened(), htcpOpenPorts(), and htcpRecv().

htcpSend()

static void htcpSend ( const char *  buf, int  len, Ip::Address &  to  )

static

Definition at line 595 of file htcp.cc.

References comm_udp_sendto(), debugs, Comm::Connection::fd, StatCounters::htcp, htcpHexdump(), htcpOutgoingConn, StatCounters::pkts_sent, statCounter, and xstrerr().

Referenced by htcpClear(), htcpClrReply(), htcpForwardClr(), htcpQuery(), and htcpTstReply().

htcpSocketShutdown()

void htcpSocketShutdown

(

void

)

Definition at line 1616 of file htcp.cc.

References assert, COMM_SELECT_READ, DBG_IMPORTANT, debugs, Comm::Connection::fd, htcpIncomingConn, htcpOutgoingConn, Comm::IsConnOpen(), Comm::Connection::local, and Comm::SetSelect().

Referenced by htcpClosePorts(), and serverConnectionsClose().

htcpSyncAle()

static void htcpSyncAle ( AccessLogEntryPointer &  al, const Ip::Address &  caddr, const int  opcode, const char *  url  )

static

Definition at line 276 of file htcp.cc.

References AccessLogEntry::cache, AccessLogEntry::CacheDetails::caddr, current_time, AccessLogEntry::htcp, htcpOpcodeStr, AccessLogEntry::HtcpDetails::opcode, AccessLogEntry::setVirginUrlForMissingRequest(), AccessLogEntry::CacheDetails::start_time, AccessLogEntry::CacheDetails::trTime, and AccessLogEntry::url.

Referenced by htcpSpecifier::fillChecklist(), and htcpLogHtcp().

htcpTstReply()

static void htcpTstReply ( htcpDataHeader *  dhdr, StoreEntry *  e, htcpSpecifier *  spec, Ip::Address &  from  )

static

Definition at line 812 of file htcp.cc.

References Http::AGE, MemBuf::buf, htcpDetail::cache_hdrs, htcpDetail::cacheHdrsSz, HttpHeader::clean(), MemBuf::clean(), MemBuf::contentSize(), htcpStuff::D, debugs, htcpDetail::entity_hdrs, htcpDetail::entityHdrsSz, Http::EXPIRES, StoreEntry::expires, hoHtcpReply, AnyP::Uri::host(), HTCP_TST, htcpBuildPacket(), htcpSend(), MemBuf::init(), Http::LAST_MODIFIED, StoreEntry::lastModified(), htcpSpecifier::method, _htcpDataHeader::msg_id, netdbHostData(), HttpHeader::packInto(), HttpHeader::putExt(), HttpHeader::putInt(), HttpHeader::putTime(), htcpSpecifier::req_hdrs, htcpSpecifier::reqHdrsSz, htcpSpecifier::request, MemBuf::reset(), htcpDetail::resp_hdrs, htcpDetail::respHdrsSz, htcpStuff::response, RR_RESPONSE, htcpStuff::S, safe_free, squid_curtime, SQUIDHOSTNAMELEN, StoreEntry::timestamp, htcpSpecifier::uri, HttpRequest::url, htcpSpecifier::version, and xstrdup.

Referenced by htcpSpecifier::checkedHit().

htcpUnpackDetail()

static htcpDetail * htcpUnpackDetail ( char *  buf, int  sz  )

static

Definition at line 721 of file htcp.cc.

References htcpDetail::cache_hdrs, htcpDetail::cacheHdrsSz, debugs, htcpDetail::entity_hdrs, htcpDetail::entityHdrsSz, htcpDetail::resp_hdrs, and htcpDetail::respHdrsSz.

Referenced by htcpHandleTstResponse().

htcpUnpackSpecifier()

static htcpSpecifier::Pointer htcpUnpackSpecifier ( char *  buf, int  sz  )

static

Definition at line 614 of file htcp.cc.

References debugs, HttpRequest::FromUrlXXX(), HttpRequestMethod::HttpRequestMethodXXX(), Http::METHOD_GET, Http::METHOD_NONE, and Store::nil.

Referenced by htcpHandleClr(), and htcpHandleTstRequest().

Variable Documentation

htcpIncomingConn

Comm::ConnectionPointer htcpIncomingConn = nullptr

static

Definition at line 241 of file htcp.cc.

Referenced by htcpClear(), htcpOpenPorts(), htcpQuery(), and htcpSocketShutdown().

htcpOpcodeStr

const char* const htcpOpcodeStr[]

static

Initial value:

= {
    "HTCP_NOP",
    "HTCP_TST",
    "HTCP_MON",
    "HTCP_SET",
    "HTCP_CLR",
    "HTCP_END"
}

Definition at line 208 of file htcp.cc.

Referenced by htcpBuildOpData(), htcpHandleMsg(), and htcpSyncAle().

htcpOutgoingConn

Comm::ConnectionPointer htcpOutgoingConn = nullptr

static

Definition at line 240 of file htcp.cc.

Referenced by htcpClosePorts(), htcpIncomingConnectionOpened(), htcpOpenPorts(), htcpSend(), and htcpSocketShutdown().

msg_id_counter

uint32_t msg_id_counter = 0

static

Definition at line 238 of file htcp.cc.

Referenced by htcpClear(), and htcpQuery().

old_squid_format

int old_squid_format = 0

static

Definition at line 248 of file htcp.cc.

Referenced by htcpBuildData(), htcpBuildPacket(), htcpClear(), htcpHandleMsg(), and htcpQuery().

queried_addr

Ip::Address queried_addr[N_QUERIED_KEYS]

static

Definition at line 246 of file htcp.cc.

Referenced by htcpHandleTstResponse(), and htcpQuery().

queried_id

uint32_t queried_id[N_QUERIED_KEYS]

static

Definition at line 243 of file htcp.cc.

Referenced by htcpHandleTstResponse(), and htcpQuery().

queried_keys

cache_key queried_keys[N_QUERIED_KEYS][SQUID_MD5_DIGEST_LENGTH]

static

Definition at line 244 of file htcp.cc.

Referenced by htcpHandleTstResponse(), and htcpQuery().