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a011edee | 1 | /* |
bde978a6 | 2 | * Copyright (C) 1996-2015 The Squid Software Foundation and contributors |
a011edee | 3 | * |
bbc27441 AJ |
4 | * Squid software is distributed under GPLv2+ license and includes |
5 | * contributions from numerous individuals and organizations. | |
6 | * Please see the COPYING and CONTRIBUTORS files for details. | |
a011edee FC |
7 | */ |
8 | ||
bbc27441 AJ |
9 | #ifndef SQUID_CACHEPEER_H_ |
10 | #define SQUID_CACHEPEER_H_ | |
11 | ||
6f58d7d7 | 12 | #include "acl/forward.h" |
e8dca475 | 13 | #include "base/CbcPointer.h" |
a011edee FC |
14 | #include "enums.h" |
15 | #include "icp_opcode.h" | |
16 | #include "ip/Address.h" | |
17 | ||
a7458115 FC |
18 | //TODO: remove, it is unconditionally defined and always used. |
19 | #define PEER_MULTICAST_SIBLINGS 1 | |
20 | ||
cb4f4424 | 21 | #if HAVE_OPENSSL_SSL_H |
a011edee FC |
22 | #include <openssl/ssl.h> |
23 | #endif | |
24 | ||
b802d2cb | 25 | class CachePeerDomainList; |
5844d003 | 26 | class NeighborTypeDomainList; |
e8dca475 | 27 | class PconnPool; |
a011edee | 28 | class PeerDigest; |
e8dca475 | 29 | class PeerPoolMgr; |
a011edee | 30 | |
001d55dc | 31 | // currently a POD |
1b2f0924 FC |
32 | class CachePeer |
33 | { | |
a011edee FC |
34 | public: |
35 | u_int index; | |
36 | char *name; | |
37 | char *host; | |
38 | peer_t type; | |
39 | ||
40 | Ip::Address in_addr; | |
41 | ||
42 | struct { | |
43 | int pings_sent; | |
44 | int pings_acked; | |
45 | int fetches; | |
46 | int rtt; | |
47 | int ignored_replies; | |
48 | int n_keepalives_sent; | |
49 | int n_keepalives_recv; | |
50 | time_t probe_start; | |
51 | time_t last_query; | |
52 | time_t last_reply; | |
53 | time_t last_connect_failure; | |
54 | time_t last_connect_probe; | |
55 | int logged_state; /* so we can print dead/revived msgs */ | |
56 | int conn_open; /* current opened connections */ | |
57 | } stats; | |
58 | ||
59 | struct { | |
60 | int version; | |
61 | int counts[ICP_END+1]; | |
62 | unsigned short port; | |
63 | } icp; | |
64 | ||
65 | #if USE_HTCP | |
66 | struct { | |
67 | double version; | |
68 | int counts[2]; | |
69 | unsigned short port; | |
70 | } htcp; | |
71 | #endif | |
72 | ||
73 | unsigned short http_port; | |
b802d2cb | 74 | CachePeerDomainList *peer_domain; |
5844d003 | 75 | NeighborTypeDomainList *typelist; |
a011edee FC |
76 | acl_access *access; |
77 | ||
78 | struct { | |
ccdf4138 FC |
79 | bool proxy_only; |
80 | bool no_query; | |
81 | bool background_ping; | |
82 | bool no_digest; | |
83 | bool default_parent; | |
84 | bool roundrobin; | |
85 | bool weighted_roundrobin; | |
86 | bool mcast_responder; | |
87 | bool closest_only; | |
a011edee | 88 | #if USE_HTCP |
ccdf4138 FC |
89 | bool htcp; |
90 | bool htcp_oldsquid; | |
91 | bool htcp_no_clr; | |
92 | bool htcp_no_purge_clr; | |
93 | bool htcp_only_clr; | |
94 | bool htcp_forward_clr; | |
a011edee | 95 | #endif |
ccdf4138 | 96 | bool no_netdb_exchange; |
a011edee | 97 | #if USE_DELAY_POOLS |
ccdf4138 | 98 | bool no_delay; |
a011edee | 99 | #endif |
ccdf4138 FC |
100 | bool allow_miss; |
101 | bool carp; | |
a011edee | 102 | struct { |
ccdf4138 FC |
103 | bool set; //If false, whole url is to be used. Overrides others |
104 | bool scheme; | |
105 | bool host; | |
106 | bool port; | |
107 | bool path; | |
108 | bool params; | |
a011edee FC |
109 | } carp_key; |
110 | #if USE_AUTH | |
ccdf4138 | 111 | bool userhash; |
a011edee | 112 | #endif |
ccdf4138 FC |
113 | bool sourcehash; |
114 | bool originserver; | |
115 | bool no_tproxy; | |
a011edee | 116 | #if PEER_MULTICAST_SIBLINGS |
ccdf4138 | 117 | bool mcast_siblings; |
a011edee FC |
118 | #endif |
119 | } options; | |
120 | ||
121 | int weight; | |
122 | int basetime; | |
123 | ||
124 | struct { | |
125 | double avg_n_members; | |
126 | int n_times_counted; | |
127 | int n_replies_expected; | |
128 | int ttl; | |
129 | int id; | |
130 | ||
131 | struct { | |
ccdf4138 FC |
132 | bool count_event_pending; |
133 | bool counting; | |
a011edee FC |
134 | } flags; |
135 | } mcast; | |
136 | #if USE_CACHE_DIGESTS | |
137 | ||
138 | PeerDigest *digest; | |
139 | char *digest_url; | |
140 | #endif | |
141 | ||
142 | int tcp_up; /* 0 if a connect() fails */ | |
143 | ||
144 | Ip::Address addresses[10]; | |
145 | int n_addresses; | |
146 | int rr_count; | |
147 | CachePeer *next; | |
148 | int testing_now; | |
149 | ||
150 | struct { | |
151 | unsigned int hash; | |
152 | double load_multiplier; | |
153 | double load_factor; /* normalized weight value */ | |
154 | } carp; | |
155 | #if USE_AUTH | |
156 | struct { | |
157 | unsigned int hash; | |
158 | double load_multiplier; | |
159 | double load_factor; /* normalized weight value */ | |
160 | } userhash; | |
161 | #endif | |
162 | struct { | |
163 | unsigned int hash; | |
164 | double load_multiplier; | |
165 | double load_factor; /* normalized weight value */ | |
166 | } sourcehash; | |
167 | ||
168 | char *login; /* Proxy authorization */ | |
169 | time_t connect_timeout; | |
170 | int connect_fail_limit; | |
171 | int max_conn; | |
e8dca475 CT |
172 | struct { |
173 | PconnPool *pool; ///< idle connection pool for this peer | |
174 | CbcPointer<PeerPoolMgr> mgr; ///< pool manager | |
175 | int limit; ///< the limit itself | |
176 | bool waitingForClose; ///< a conn must close before we open a standby conn | |
177 | } standby; ///< optional "cache_peer standby=limit" feature | |
a011edee | 178 | char *domain; /* Forced domain */ |
cb4f4424 | 179 | #if USE_OPENSSL |
a011edee FC |
180 | |
181 | int use_ssl; | |
182 | char *sslcert; | |
183 | char *sslkey; | |
184 | int sslversion; | |
185 | char *ssloptions; | |
186 | char *sslcipher; | |
187 | char *sslcafile; | |
188 | char *sslcapath; | |
189 | char *sslcrlfile; | |
190 | char *sslflags; | |
191 | char *ssldomain; | |
192 | SSL_CTX *sslContext; | |
193 | SSL_SESSION *sslSession; | |
194 | #endif | |
195 | ||
196 | int front_end_https; | |
197 | int connection_auth; | |
198 | }; | |
199 | ||
200 | #endif /* SQUID_CACHEPEER_H_ */ | |
f53969cc | 201 |