#include "squid.h"
#include "acl/FilledChecklist.h"
#include "anyp/PortCfg.h"
#include "base/EnumIterator.h"
#include "base/IoManip.h"
#include "base/PackableStream.h"
#include "CacheDigest.h"
#include "CachePeer.h"
#include "comm/Connection.h"
#include "comm/ConnOpener.h"
#include "debug/Messages.h"
#include "event.h"
#include "FwdState.h"
#include "globals.h"
#include "htcp.h"
#include "HttpRequest.h"
#include "icmp/net_db.h"
#include "ICP.h"
#include "int.h"
#include "ip/Address.h"
#include "ip/tools.h"
#include "ipcache.h"
#include "MemObject.h"
#include "mgr/Registration.h"
#include "multicast.h"
#include "neighbors.h"
#include "NeighborTypeDomainList.h"
#include "pconn.h"
#include "PeerDigest.h"
#include "PeerPoolMgr.h"
#include "PeerSelectState.h"
#include "RequestFlags.h"
#include "SquidConfig.h"
#include "SquidMath.h"
#include "stat.h"
#include "Store.h"
#include "store_key_md5.h"
#include "tools.h"

Go to the source code of this file.
Macros | |
#define | MCAST_COUNT_RATE 900 |
Variables | |
static IPH | peerDNSConfigure |
static CNCB | peerProbeConnectDone |
static IRCB | peerCountHandleIcpReply |
static OBJH | neighborDumpPeers |
static unsigned short | echo_port |
static int | NLateReplies = 0 |
static CachePeer * | first_ping = nullptr |
Macro Definition Documentation
◆ MCAST_COUNT_RATE
#define MCAST_COUNT_RATE 900 |
Definition at line 51 of file neighbors.cc.
Function Documentation
◆ dump_peer_options()
void dump_peer_options | ( | StoreEntry * | sentry, |
CachePeer * | p | ||
) |
Definition at line 1426 of file neighbors.cc.
References CachePeer::allow_miss, CachePeer::background_ping, CachePeer::carp, CachePeer::closest_only, CachePeer::connect_fail_limit, CachePeer::connect_timeout_raw, CachePeer::connection_auth, CachePeer::default_parent, CachePeer::digest_url, CachePeer::domain, Security::PeerOptions::dumpCfg(), CachePeer::htcp, CachePeer::htcp_no_clr, CachePeer::htcp_no_purge_clr, CachePeer::htcp_oldsquid, CachePeer::htcp_only_clr, CachePeer::limit, CachePeer::login, CachePeer::max_conn, CachePeer::mcast, CachePeer::mcast_responder, CachePeer::mcast_siblings, CachePeer::no_delay, CachePeer::no_digest, CachePeer::no_netdb_exchange, CachePeer::no_query, CachePeer::no_tproxy, CachePeer::options, CachePeer::originserver, PEER_TCP_MAGIC_COUNT, CachePeer::proxy_only, CachePeer::roundrobin, CachePeer::secure, CachePeer::sourcehash, CachePeer::standby, storeAppendPrintf(), CachePeer::ttl, CachePeer::userhash, CachePeer::weight, and CachePeer::weighted_roundrobin.
Referenced by dump_peer(), and dump_peers().
◆ dump_peers()
|
static |
Definition at line 1556 of file neighbors.cc.
References assert, dump_peer_options(), Time::FormatHttpd(), icp_opcode_str, Math::intPercent(), MAX_IPSTRLEN, neighborTypeStr(), neighborUp(), CachePeer::next, squid_curtime, and storeAppendPrintf().
Referenced by neighborDumpPeers().
◆ findCachePeerByName()
CachePeer * findCachePeerByName | ( | const char *const | name | ) |
Definition at line 1100 of file neighbors.cc.
References Config, CachePeer::name, CachePeer::next, and SquidConfig::peers.
Referenced by ConfigParser::cachePeer(), and parse_peer().
◆ getDefaultParent()
CachePeer * getDefaultParent | ( | PeerSelector * | ps | ) |
Definition at line 476 of file neighbors.cc.
References assert, Config, debugs, CachePeer::default_parent, neighborType(), CachePeer::next, CachePeer::options, PEER_PARENT, peerHTTPOkay(), SquidConfig::peers, PeerSelector::request, and HttpRequest::url.
Referenced by PeerSelector::selectAllParents(), and PeerSelector::selectSomeParent().
◆ getFirstPeer()
CachePeer * getFirstPeer | ( | void | ) |
Definition at line 510 of file neighbors.cc.
References Config, and SquidConfig::peers.
Referenced by statPeerSelect().
◆ getFirstUpParent()
CachePeer * getFirstUpParent | ( | PeerSelector * | ps | ) |
Definition at line 289 of file neighbors.cc.
References assert, Config, debugs, neighborType(), neighborUp(), CachePeer::next, PEER_PARENT, peerHTTPOkay(), SquidConfig::peers, RawPointer(), PeerSelector::request, and HttpRequest::url.
Referenced by PeerSelector::selectSomeParent().
◆ getNextPeer()
Definition at line 504 of file neighbors.cc.
References CachePeer::next.
Referenced by statPeerSelect().
◆ getRoundRobinParent()
CachePeer * getRoundRobinParent | ( | PeerSelector * | ps | ) |
Definition at line 314 of file neighbors.cc.
References assert, Config, debugs, neighborType(), CachePeer::next, CachePeer::options, PEER_PARENT, peerHTTPOkay(), SquidConfig::peers, RawPointer(), PeerSelector::request, CachePeer::roundrobin, CachePeer::rr_count, HttpRequest::url, and CachePeer::weight.
Referenced by PeerSelector::selectSomeParent().
◆ getWeightedRoundRobinParent()
CachePeer * getWeightedRoundRobinParent | ( | PeerSelector * | ps | ) |
Definition at line 356 of file neighbors.cc.
References assert, CachePeer::basetime, Config, debugs, neighborType(), CachePeer::next, CachePeer::options, PEER_PARENT, peerHTTPOkay(), SquidConfig::peers, RawPointer(), PeerSelector::request, CachePeer::rr_count, CachePeer::rtt, CachePeer::stats, HttpRequest::url, CachePeer::weight, and CachePeer::weighted_roundrobin.
Referenced by PeerSelector::selectSomeParent().
◆ ignoreMulticastReply()
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static |
Definition at line 957 of file neighbors.cc.
References CachePeer::mcast_responder, CachePeer::options, and peerHTTPOkay().
Referenced by neighborsHtcpReply(), and neighborsUdpAck().
◆ neighborAlive()
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static |
Definition at line 881 of file neighbors.cc.
References CachePeer::icp_::counts, CachePeer::icp, ICP_END, int, icp_common_t::opcode, peerAlive(), CachePeer::pings_acked, CachePeer::stats, CachePeer::icp_::version, and icp_common_t::version.
Referenced by neighborsUdpAck().
◆ neighborAliveHtcp()
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static |
Definition at line 918 of file neighbors.cc.
References CachePeer::counts, HtcpReplyData::hit, CachePeer::htcp, peerAlive(), CachePeer::pings_acked, CachePeer::stats, CachePeer::version, and HtcpReplyData::version.
Referenced by neighborsHtcpReply().
◆ neighborCountIgnored()
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static |
Definition at line 929 of file neighbors.cc.
References CachePeer::ignored_replies, NLateReplies, and CachePeer::stats.
Referenced by neighborsHtcpReply(), and neighborsUdpAck().
◆ neighborDumpPeers()
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static |
Definition at line 1420 of file neighbors.cc.
References Config, dump_peers(), and SquidConfig::peers.
◆ neighborIgnoreNonPeer()
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static |
Definition at line 940 of file neighbors.cc.
References DBG_IMPORTANT, debugs, Debug::Extra(), icp_opcode_str, and isPowTen().
Referenced by neighborsUdpAck().
◆ neighborRemove()
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static |
Definition at line 516 of file neighbors.cc.
References Config, first_ping, CachePeer::next, SquidConfig::npeers, and SquidConfig::peers.
Referenced by neighbors_init(), and neighborsUdpAck().
◆ neighbors_init()
void neighbors_init | ( | void | ) |
Definition at line 551 of file neighbors.cc.
References Config, DBG_IMPORTANT, debugs, echo_port, Debug::Extra(), first_ping, getMyHostname(), CachePeer::host, CachePeer::http_port, HttpPortList, icpIncomingConn, Comm::IsConnOpen(), neighborRemove(), neighborsRegisterWithCacheManager(), CachePeer::next, peerRefreshDNS(), and SquidConfig::peers.
Referenced by mainInitialize(), and mainReconfigureFinish().
◆ neighborsCount()
int neighborsCount | ( | PeerSelector * | ps | ) |
Definition at line 274 of file neighbors.cc.
References Config, debugs, CachePeer::next, SquidConfig::peers, and peerWouldBePinged().
Referenced by peerSelectIcpPing().
◆ neighborsDigestSelect()
CachePeer * neighborsDigestSelect | ( | PeerSelector * | ps | ) |
Definition at line 796 of file neighbors.cc.
References assert, Config, debugs, first_ping, HttpRequest::flags, HttpRequest::hier, RequestFlags::hierarchical, CachePeer::host, LOOKUP_HIT, LOOKUP_MISS, LOOKUP_NONE, HierarchyLogEntry::n_choices, HierarchyLogEntry::n_ichoices, netdbHostRtt(), CachePeer::next, SquidConfig::npeers, peerDigestLookup(), peerNoteDigestLookup(), SquidConfig::peers, PeerSelector::request, and storeKeyPublicByRequest().
Referenced by PeerSelector::selectSomeNeighbor().
◆ neighborsHtcpClear()
void neighborsHtcpClear | ( | StoreEntry * | e, |
HttpRequest * | req, | ||
const HttpRequestMethod & | method, | ||
htcp_clr_reason | reason | ||
) |
Definition at line 1723 of file neighbors.cc.
References Config, debugs, CachePeer::htcp, HTCP_CLR_PURGE, CachePeer::htcp_no_clr, CachePeer::htcp_no_purge_clr, htcpClear(), CachePeer::in_addr, CachePeer::next, CachePeer::options, SquidConfig::peers, and Ip::Address::toUrl().
Referenced by httpMaybeRemovePublic(), purgeEntriesByUrl(), and clientReplyContext::purgeEntry().
◆ neighborsHtcpReply()
void neighborsHtcpReply | ( | const cache_key * | key, |
HtcpReplyData * | htcp, | ||
const Ip::Address & | from | ||
) |
Definition at line 1649 of file neighbors.cc.
References DBG_IMPORTANT, debugs, EBIT_TEST, ENTRY_DISPATCHED, Store::Controller::findCallbackXXX(), StoreEntry::flags, HtcpReplyData::hit, ignoreMulticastReply(), MemObject::ircb_data, StoreEntry::locked(), StoreEntry::mem_obj, neighborAliveHtcp(), neighborCountIgnored(), neighborType(), neighborUpdateRtt(), PEER_NONE, MemObject::ping_reply_callback, StoreEntry::ping_status, PING_WAITING, AnyP::PROTO_HTCP, MemObject::request, Store::Root(), storeKeyText(), HttpRequest::url, and whichPeer().
Referenced by htcpHandleTstResponse().
◆ neighborsRegisterWithCacheManager()
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static |
Definition at line 543 of file neighbors.cc.
References neighborDumpPeers, and Mgr::RegisterAction().
Referenced by neighbors_init().
◆ neighborsUdpAck()
void neighborsUdpAck | ( | const cache_key * | key, |
icp_common_t * | header, | ||
const Ip::Address & | from | ||
) |
I should attach these records to the entry. We take the first hit we get our wait until everyone misses. The timeout handler call needs to nip this shopping list or call one of the misses.
If a hit process is already started, then sobeit
Definition at line 979 of file neighbors.cc.
References CachePeer::icp_::counts, DBG_CRITICAL, DBG_IMPORTANT, debug_trap(), debugs, EBIT_TEST, ENTRY_DISPATCHED, StoreEntry::flags, CachePeer::icp, ICP_DECHO, ICP_DENIED, ICP_END, ICP_HIT, ICP_MISS, ICP_MISS_NOFETCH, icp_opcode_str, ICP_SECHO, ignoreMulticastReply(), MemObject::ircb_data, StoreEntry::locked(), StoreEntry::mem_obj, neighborAlive(), neighborCountIgnored(), neighborIgnoreNonPeer(), neighborRemove(), neighborType(), neighborUpdateRtt(), icp_common_t::opcode, PEER_NONE, PEER_SIBLING, MemObject::ping_reply_callback, StoreEntry::ping_status, PING_WAITING, CachePeer::pings_acked, AnyP::PROTO_ICP, RawPointer(), MemObject::request, Store::Root(), CachePeer::stats, storeKeyText(), HttpRequest::url, and whichPeer().
Referenced by icp_common_t::handleReply().
◆ neighborsUdpPing()
int neighborsUdpPing | ( | HttpRequest * | request, |
StoreEntry * | entry, | ||
IRCB * | callback, | ||
PeerSelector * | ps, | ||
int * | exprep, | ||
int * | timeout | ||
) |
Definition at line 589 of file neighbors.cc.
References assert, Config, current_time, DBG_CRITICAL, DBG_IMPORTANT, debugs, echo_port, Comm::Connection::fd, first_ping, StoreEntry::getMD5Text(), StoreEntry::hasDisk(), CachePeer::htcp, SquidConfig::htcp, CachePeer::htcp_only_clr, htcpQuery(), CachePeer::icp, SquidConfig::icp, ICP_DECHO, ICP_FLAG_SRC_RTT, ICP_QUERY, SquidConfig::icp_query, SquidConfig::icp_query_max, SquidConfig::icp_query_min, ICP_VERSION_2, icpCreateAndSend(), icpOutgoingConn, icpSetCacheKey(), CachePeer::in_addr, MemObject::ircb_data, Comm::IsConnOpen(), hash_link::key, CachePeer::last_query, CachePeer::logged_state, CachePeer::mcast, mcastSetTtl(), StoreEntry::mem_obj, CachePeer::n_replies_expected, neighborType(), neighborTypeStr(), neighborUp(), CachePeer::next, SquidConfig::npeers, SquidConfig::onoff, CachePeer::options, PEER_ALIVE, PEER_DEAD, PEER_MULTICAST, PEER_PARENT, SquidConfig::peers, peerWouldBePinged(), MemObject::ping_reply_callback, CachePeer::pings_sent, CachePeer::icp_::port, SquidConfig::Port, CachePeer::probe_start, SquidConfig::query_icmp, CachePeer::rtt, squid_curtime, MemObject::start_ping, CachePeer::stats, SquidConfig::Timeout, CachePeer::ttl, CachePeer::type, HttpRequest::url, StoreEntry::url(), and CachePeer::icp_::version.
Referenced by PeerSelector::selectSomeNeighbor().
◆ neighborType()
Definition at line 116 of file neighbors.cc.
References NeighborTypeDomainList::domain, AnyP::Uri::host(), matchDomainName(), CachePeer::mcast_siblings, NeighborTypeDomainList::next, CachePeer::options, PEER_MULTICAST, PEER_NONE, PEER_SIBLING, CachePeer::type, NeighborTypeDomainList::type, and CachePeer::typelist.
Referenced by findUsableParentAtHostname(), getDefaultParent(), getFirstUpParent(), getRoundRobinParent(), getWeightedRoundRobinParent(), neighborsHtcpReply(), neighborsUdpAck(), neighborsUdpPing(), peerAllowedToUse(), PeerSelector::selectAllParents(), PeerSelector::selectSomeNeighbor(), and HttpStateData::sendRequest().
◆ neighborTypeStr()
const char * neighborTypeStr | ( | const CachePeer * | p | ) |
Definition at line 82 of file neighbors.cc.
References PEER_MULTICAST, PEER_NONE, PEER_SIBLING, and CachePeer::type.
Referenced by CachePeer::countFailure(), dump_peer(), dump_peers(), neighborsUdpPing(), peerAlive(), and peerDNSConfigure().
◆ neighborUp()
Definition at line 1113 of file neighbors.cc.
References CallService(), Config, SquidConfig::deadPeer, debugs, CachePeer::n_addresses, CachePeer::no_query, CachePeer::options, peerProbeConnect(), CachePeer::probe_start, squid_curtime, CachePeer::stats, CachePeer::tcp_up, and SquidConfig::Timeout.
Referenced by dump_peers(), getFirstUpParent(), neighborsUdpPing(), PeerPoolMgr::openNewConnection(), peerHTTPOkay(), peerWouldBePinged(), and snmp_meshPtblFn().
◆ neighborUpdateRtt()
Definition at line 893 of file neighbors.cc.
References current_time, Math::intAverage(), CachePeer::options, CachePeer::pings_acked, CachePeer::rtt, RTT_AV_FACTOR, RTT_BACKGROUND_AV_FACTOR, MemObject::start_ping, CachePeer::stats, tvSubMsec(), and CachePeer::weighted_roundrobin.
Referenced by neighborsHtcpReply(), and neighborsUdpAck().
◆ peerAlive()
void peerAlive | ( | CachePeer * | p | ) |
Updates protocol-agnostic CachePeer state after an indication of a successful contact with the given cache_peer.
Definition at line 457 of file neighbors.cc.
References PeerPoolMgr::Checkpoint(), DBG_IMPORTANT, debugs, CachePeer::host, ipcache_nbgethostbyname(), CachePeer::last_reply, CachePeer::logged_state, CachePeer::mgr, CachePeer::n_addresses, neighborTypeStr(), PEER_ALIVE, PEER_DEAD, peerClearRR(), peerDNSConfigure, CachePeer::probe_start, squid_curtime, CachePeer::standby, CachePeer::stats, CachePeer::tcp_up, and CbcPointer< Cbc >::valid().
Referenced by neighborAlive(), neighborAliveHtcp(), and CachePeer::noteSuccess().
◆ peerAllowedToUse()
bool peerAllowedToUse | ( | const CachePeer * | p, |
PeerSelector * | ps | ||
) |
- Returns
- Whether it is appropriate to fetch REQUEST from PEER.
Definition at line 139 of file neighbors.cc.
References CachePeer::access, ACLFilledChecklist::al, PeerSelector::al, Acl::Answer::allowed(), assert, AnyP::Uri::authority(), debugs, ACLChecklist::fastCheck(), HttpRequest::flags, RefCount< C >::getRaw(), CachePeer::http_port, HTTPMSGLOCK(), RequestFlags::loopDetected, CachePeer::mcast_siblings, HttpRequest::method, Http::METHOD_CONNECT, RequestFlags::needValidation, neighborType(), RequestFlags::noCache, CachePeer::options, CachePeer::originserver, PEER_MULTICAST, PEER_SIBLING, AnyP::Uri::port(), RequestFlags::refresh, AccessLogEntry::reply, ACLFilledChecklist::reply, PeerSelector::request, ACLFilledChecklist::syncAle(), CachePeer::type, and HttpRequest::url.
Referenced by peerHTTPOkay(), peerWouldBePinged(), and PeerSelector::selectPinned().
◆ peerCanOpenMore()
bool peerCanOpenMore | ( | const CachePeer * | p | ) |
Definition at line 224 of file neighbors.cc.
References CachePeer::conn_open, debugs, CachePeer::max_conn, Squid_MaxFD, and CachePeer::stats.
Referenced by PeerPoolMgr::openNewConnection(), peerConnClosed(), and peerHTTPOkay().
◆ peerClearRR()
void peerClearRR | ( | void | ) |
Called whenever the round-robin counters need to be reset to a sane state. So far those times are:
- On startup and reconfigure - to set the counters to sane initial settings.
- When a CachePeer has revived from dead, to prevent the revived CachePeer being flooded with requests which it has 'missed' during the down period.
Definition at line 448 of file neighbors.cc.
References Config, CachePeer::next, SquidConfig::peers, and CachePeer::rr_count.
Referenced by peerAlive(), and peerClearRRLoop().
◆ peerClearRRLoop()
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static |
This gets called every 5 minutes to clear the round-robin counter. The exact timing is an arbitrary default, set on estimate timing of a large number of requests in a high-performance environment during the period. The larger the number of requests between cycled resets the more balanced the operations.
- Parameters
-
data unused
TODO: Make the reset timing a selectable parameter in squid.conf
Definition at line 419 of file neighbors.cc.
References eventAdd(), peerClearRR(), and peerClearRRLoop().
Referenced by peerClearRRLoop(), and peerClearRRStart().
◆ peerClearRRStart()
void peerClearRRStart | ( | void | ) |
This gets called on startup and restart to kick off the CachePeer round-robin maintenance event. It ensures that no matter how many times its called no more than one event is scheduled.
Definition at line 431 of file neighbors.cc.
References peerClearRRLoop().
Referenced by parse_peer().
◆ peerConnClosed()
void peerConnClosed | ( | CachePeer * | p | ) |
Definition at line 248 of file neighbors.cc.
References PeerPoolMgr::Checkpoint(), CachePeer::conn_open, CachePeer::mgr, peerCanOpenMore(), CachePeer::standby, CachePeer::stats, and CachePeer::waitingForClose.
Referenced by Comm::Connection::noteClosure().
◆ peerCountHandleIcpReply()
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static |
Definition at line 1401 of file neighbors.cc.
References assert, current_time, Math::intAverage(), StoreEntry::mem_obj, CachePeer::options, AnyP::PROTO_ICP, CachePeer::rtt, RTT_AV_FACTOR, RTT_BACKGROUND_AV_FACTOR, MemObject::start_ping, CachePeer::stats, tvSubMsec(), and CachePeer::weighted_roundrobin.
◆ peerCountMcastPeersAbort()
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static |
ends counting of multicast ICP replies to the ICP query initiated by peerCountMcastPeersCreateAndSend()
Definition at line 1379 of file neighbors.cc.
References StoreEntry::abort(), CachePeer::avg_n_members, cbdataReferenceDone, cbdataReferenceValid(), CachePeer::counting, DBG_IMPORTANT, debugs, Math::doubleAverage(), PeerSelector::entry, CachePeer::flags, int, CachePeer::mcast, StoreEntry::mem_obj, ping_data::n_recv, CachePeer::n_replies_expected, CachePeer::n_times_counted, PeerSelector::peerCountMcastPeerXXX, PeerSelector::ping, MemObject::request, CachePeer::rtt, CachePeer::stats, and StoreEntry::unlock().
◆ peerCountMcastPeersCreateAndSend()
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static |
Definition at line 1321 of file neighbors.cc.
References assert, cbdataReference, Config, CachePeer::count_event_pending, CachePeer::counting, current_time, eventAdd(), Comm::Connection::fd, CachePeer::flags, HttpRequest::FromUrlXXX(), HTTPMSGLOCK(), ICP_QUERY, icpCreateAndSend(), icpOutgoingConn, icpSetCacheKey(), CachePeer::id, MemObject::id, CachePeer::in_addr, MemObject::ircb_data, hash_link::key, LOCAL_ARRAY, MAX_URL, CachePeer::mcast, SquidConfig::mcast_icp_query, mcastSetTtl(), StoreEntry::mem_obj, Http::METHOD_GET, PEER_MULTICAST, peerCountHandleIcpReply, peerCountMcastPeersDone(), MemObject::ping_reply_callback, StoreEntry::ping_status, PING_WAITING, AccessLogEntry::request, MemObject::request, CodeContext::Reset(), MemObject::start_ping, storeCreateEntry(), SquidConfig::Timeout, Ip::Address::toUrl(), CachePeer::ttl, and CachePeer::type.
Referenced by peerCountMcastPeersStart().
◆ peerCountMcastPeersDone()
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static |
Definition at line 1367 of file neighbors.cc.
References CallBack().
Referenced by peerCountMcastPeersCreateAndSend().
◆ peerCountMcastPeersSchedule()
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static |
Definition at line 1296 of file neighbors.cc.
References CachePeer::count_event_pending, eventAdd(), CachePeer::flags, CachePeer::mcast, and peerCountMcastPeersStart().
Referenced by peerCountMcastPeersStart(), and peerDNSConfigure().
◆ peerCountMcastPeersStart()
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static |
Definition at line 1310 of file neighbors.cc.
References CallContextCreator(), MCAST_COUNT_RATE, peerCountMcastPeersCreateAndSend(), and peerCountMcastPeersSchedule().
Referenced by peerCountMcastPeersSchedule().
◆ peerDigestLookup()
lookup_t peerDigestLookup | ( | CachePeer * | p, |
PeerSelector * | ps | ||
) |
Definition at line 750 of file neighbors.cc.
References assert, PeerDigest::cd, CacheDigest::contains(), debugs, CachePeer::digest, PeerDigest::flags, LOOKUP_HIT, LOOKUP_MISS, LOOKUP_NONE, PeerDigest::needed, peerDigestNeeded(), peerHTTPOkay(), PeerSelector::request, PeerDigest::requested, storeKeyPublicByRequest(), and PeerDigest::usable.
Referenced by PeerSelector::handleIcpReply(), and neighborsDigestSelect().
◆ peerDNSConfigure()
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static |
Definition at line 1154 of file neighbors.cc.
References CachePeer::addresses, PeerPoolMgr::Checkpoint(), DBG_CRITICAL, DBG_IMPORTANT, debugs, Dns::CachedIps::empty(), eventAddIsh(), Dns::CachedIps::goodAndBad(), IamWorkerProcess(), CachePeer::icp, Important, CachePeer::in_addr, CachePeer::mcast, CachePeer::mgr, CachePeer::n_addresses, neighborTypeStr(), netdbExchangeStart(), CachePeer::no_netdb_exchange, CachePeer::options, PEER_MAX_ADDRESSES, PEER_MULTICAST, peerCountMcastPeersSchedule(), peerProbeConnect(), CachePeer::icp_::port, Ip::Address::port(), Ip::Address::setEmpty(), Dns::CachedIps::size(), CachePeer::standby, CachePeer::ttl, CachePeer::type, and CbcPointer< Cbc >::valid().
◆ peerHasConnAvailable()
bool peerHasConnAvailable | ( | const CachePeer * | p | ) |
Definition at line 233 of file neighbors.cc.
References PconnPool::count(), debugs, CachePeer::pool, and CachePeer::standby.
Referenced by peerHTTPOkay().
◆ peerHTTPOkay()
int peerHTTPOkay | ( | const CachePeer * | p, |
PeerSelector * | ps | ||
) |
Definition at line 259 of file neighbors.cc.
References neighborUp(), peerAllowedToUse(), peerCanOpenMore(), and peerHasConnAvailable().
Referenced by carpSelectParent(), findUsableParentAtHostname(), getDefaultParent(), getFirstUpParent(), getRoundRobinParent(), getWeightedRoundRobinParent(), ignoreMulticastReply(), peerDigestLookup(), peerSourceHashSelectParent(), peerUserHashSelectParent(), and PeerSelector::selectAllParents().
◆ peerNoteDigestLookup()
void peerNoteDigestLookup | ( | HttpRequest * | request, |
CachePeer * | p, | ||
lookup_t | lookup | ||
) |
Definition at line 863 of file neighbors.cc.
References HierarchyLogEntry::cd_host, HierarchyLogEntry::cd_lookup, debugs, HttpRequest::hier, CachePeer::host, lookup_t_str, and RawPointer().
Referenced by PeerSelector::handleIcpReply(), and neighborsDigestSelect().
◆ peerProbeConnect()
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static |
Definition at line 1249 of file neighbors.cc.
References CachePeer::addresses, commCbCall(), conn, CachePeer::connectTimeout(), getOutgoingAddress(), CachePeer::host, CachePeer::http_port, CachePeer::last_connect_probe, CachePeer::n_addresses, peerProbeConnectDone, peerProbeIsBusy(), CachePeer::reprobe, Comm::ConnOpener::setHost(), squid_curtime, AsyncJob::Start(), CachePeer::stats, and CachePeer::testing_now.
Referenced by neighborUp(), peerDNSConfigure(), and peerProbeConnectDone().
◆ peerProbeConnectDone()
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static |
Definition at line 1278 of file neighbors.cc.
References conn, CachePeer::noteFailure(), CachePeer::noteSuccess(), Comm::OK, peerProbeConnect(), CachePeer::reprobe, Http::scNone, and CachePeer::testing_now.
◆ peerProbeIsBusy()
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static |
Definition at line 1233 of file neighbors.cc.
References debugs, CachePeer::last_connect_probe, squid_curtime, CachePeer::stats, and CachePeer::testing_now.
Referenced by peerProbeConnect().
◆ peerRefreshDNS()
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static |
Definition at line 1211 of file neighbors.cc.
References Config, eventAddIsh(), eventDelete(), eventFind(), CachePeer::host, ipcache_nbgethostbyname(), CachePeer::next, peerDNSConfigure, peerRefreshDNS(), SquidConfig::peers, and stat5minClientRequests().
Referenced by neighbors_init(), and peerRefreshDNS().
◆ peerWouldBePinged()
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static |
Definition at line 184 of file neighbors.cc.
References assert, CachePeer::background_ping, SquidConfig::backgroundPingRate, Config, SquidConfig::deadPeer, HttpRequest::flags, RequestFlags::hierarchical, CachePeer::icp, CachePeer::last_query, CachePeer::mcast_responder, CachePeer::n_addresses, neighborUp(), CachePeer::no_query, CachePeer::options, PEER_SIBLING, peerAllowedToUse(), CachePeer::icp_::port, PeerSelector::request, squid_curtime, CachePeer::stats, SquidConfig::Timeout, and CachePeer::type.
Referenced by neighborsCount(), and neighborsUdpPing().
◆ positiveTimeout()
time_t positiveTimeout | ( | const time_t | timeout | ) |
- Returns
- max(1, timeout)
Definition at line 1148 of file neighbors.cc.
References max().
Referenced by FwdState::connectingTimeout(), and PeerPoolMgr::handleOpenedConnection().
◆ whichPeer()
CachePeer * whichPeer | ( | const Ip::Address & | from | ) |
Definition at line 97 of file neighbors.cc.
References CachePeer::addresses, Config, debugs, CachePeer::icp, CachePeer::n_addresses, CachePeer::next, SquidConfig::peers, CachePeer::icp_::port, and Ip::Address::port().
Referenced by PeerSelector::checkNetdbDirect(), neighborsHtcpReply(), neighborsUdpAck(), and PeerSelector::selectSomeNeighborReplies().
Variable Documentation
◆ echo_port
|
static |
Definition at line 76 of file neighbors.cc.
Referenced by neighbors_init(), and neighborsUdpPing().
◆ first_ping
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Definition at line 79 of file neighbors.cc.
Referenced by neighborRemove(), neighbors_init(), neighborsDigestSelect(), and neighborsUdpPing().
◆ neighborDumpPeers
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Definition at line 73 of file neighbors.cc.
Referenced by neighborsRegisterWithCacheManager().
◆ NLateReplies
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Definition at line 78 of file neighbors.cc.
Referenced by neighborCountIgnored().
◆ peerCountHandleIcpReply
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Definition at line 70 of file neighbors.cc.
Referenced by peerCountMcastPeersCreateAndSend().
◆ peerDNSConfigure
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Definition at line 62 of file neighbors.cc.
Referenced by peerAlive(), and peerRefreshDNS().
◆ peerProbeConnectDone
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Definition at line 64 of file neighbors.cc.
Referenced by peerProbeConnect().