/* * $Id: enums.h,v 1.176.2.2 2001/01/12 00:51:47 wessels Exp $ * * * SQUID Web Proxy Cache http://www.squid-cache.org/ * ---------------------------------------------------------- * * Squid is the result of efforts by numerous individuals from * the Internet community; see the CONTRIBUTORS file for full * details. Many organizations have provided support for Squid's * development; see the SPONSORS file for full details. Squid is * Copyrighted (C) 2001 by the Regents of the University of * California; see the COPYRIGHT file for full details. Squid * incorporates software developed and/or copyrighted by other * sources; see the CREDITS file for full details. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. * */ typedef enum { LOG_TAG_NONE, LOG_TCP_HIT, LOG_TCP_MISS, LOG_TCP_REFRESH_HIT, LOG_TCP_REFRESH_FAIL_HIT, LOG_TCP_REFRESH_MISS, LOG_TCP_CLIENT_REFRESH_MISS, LOG_TCP_IMS_HIT, LOG_TCP_SWAPFAIL_MISS, LOG_TCP_NEGATIVE_HIT, LOG_TCP_MEM_HIT, LOG_TCP_DENIED, LOG_TCP_OFFLINE_HIT, #if LOG_TCP_REDIRECTS LOG_TCP_REDIRECT, #endif LOG_UDP_HIT, LOG_UDP_MISS, LOG_UDP_DENIED, LOG_UDP_INVALID, LOG_UDP_MISS_NOFETCH, LOG_ICP_QUERY, LOG_TYPE_MAX } log_type; typedef enum { ERR_NONE, ERR_READ_TIMEOUT, ERR_LIFETIME_EXP, ERR_READ_ERROR, ERR_WRITE_ERROR, ERR_SHUTTING_DOWN, ERR_CONNECT_FAIL, ERR_INVALID_REQ, ERR_UNSUP_REQ, ERR_INVALID_URL, ERR_SOCKET_FAILURE, ERR_DNS_FAIL, ERR_CANNOT_FORWARD, ERR_FORWARDING_DENIED, ERR_NO_RELAY, ERR_ZERO_SIZE_OBJECT, ERR_FTP_DISABLED, ERR_FTP_FAILURE, ERR_URN_RESOLVE, ERR_ACCESS_DENIED, ERR_CACHE_ACCESS_DENIED, ERR_CACHE_MGR_ACCESS_DENIED, ERR_SQUID_SIGNATURE, /* not really an error */ ERR_FTP_PUT_CREATED, /* !error,a note that the file was created */ ERR_FTP_PUT_MODIFIED, /* modified, !created */ ERR_FTP_PUT_ERROR, ERR_FTP_NOT_FOUND, ERR_FTP_FORBIDDEN, ERR_FTP_UNAVAILABLE, ERR_ONLY_IF_CACHED_MISS, /* failure to satisfy only-if-cached request */ ERR_TOO_BIG, ERR_MAX } err_type; typedef enum { ACL_NONE, ACL_SRC_IP, ACL_DST_IP, ACL_MY_IP, ACL_SRC_DOMAIN, ACL_DST_DOMAIN, ACL_SRC_DOM_REGEX, ACL_DST_DOM_REGEX, ACL_TIME, ACL_URLPATH_REGEX, ACL_URL_REGEX, ACL_URL_PORT, ACL_MY_PORT, #if USE_IDENT ACL_IDENT, ACL_IDENT_REGEX, #endif ACL_PROTO, ACL_METHOD, ACL_BROWSER, ACL_PROXY_AUTH, ACL_PROXY_AUTH_REGEX, ACL_SRC_ASN, ACL_DST_ASN, ACL_SRC_ARP, ACL_SNMP_COMMUNITY, ACL_NETDB_SRC_RTT, ACL_MAXCONN, ACL_REQ_MIME_TYPE, ACL_ENUM_MAX } squid_acl; typedef enum { ACL_LOOKUP_NONE, ACL_LOOKUP_NEEDED, ACL_LOOKUP_PENDING, ACL_LOOKUP_DONE, ACL_PROXY_AUTH_NEEDED } acl_lookup_state; enum { FD_NONE, FD_LOG, FD_FILE, FD_SOCKET, FD_PIPE, FD_UNKNOWN }; enum { FD_READ, FD_WRITE }; typedef enum { PEER_NONE, PEER_SIBLING, PEER_PARENT, PEER_MULTICAST } peer_t; typedef enum { PEER_SA_NONE, PEER_SA_DIGEST, PEER_SA_ICP, PEER_SA_NETDB } peer_select_alg_t; typedef enum { LOOKUP_NONE, LOOKUP_HIT, LOOKUP_MISS } lookup_t; /* recognized or "known" header fields; @?@ add more! */ typedef enum { HDR_ACCEPT, HDR_ACCEPT_CHARSET, HDR_ACCEPT_ENCODING, HDR_ACCEPT_LANGUAGE, HDR_ACCEPT_RANGES, HDR_AGE, HDR_ALLOW, HDR_AUTHORIZATION, HDR_CACHE_CONTROL, HDR_CONNECTION, HDR_CONTENT_BASE, HDR_CONTENT_ENCODING, HDR_CONTENT_LANGUAGE, HDR_CONTENT_LENGTH, HDR_CONTENT_LOCATION, HDR_CONTENT_MD5, HDR_CONTENT_RANGE, HDR_CONTENT_TYPE, HDR_COOKIE, HDR_DATE, HDR_ETAG, HDR_EXPIRES, HDR_FROM, HDR_HOST, HDR_IF_MATCH, HDR_IF_MODIFIED_SINCE, HDR_IF_NONE_MATCH, HDR_IF_RANGE, HDR_LAST_MODIFIED, HDR_LINK, HDR_LOCATION, HDR_MAX_FORWARDS, HDR_MIME_VERSION, HDR_PRAGMA, HDR_PROXY_AUTHENTICATE, HDR_PROXY_AUTHENTICATION_INFO, HDR_PROXY_AUTHORIZATION, HDR_PROXY_CONNECTION, HDR_PUBLIC, HDR_RANGE, HDR_REQUEST_RANGE, /* some clients use this, sigh */ HDR_REFERER, HDR_RETRY_AFTER, HDR_SERVER, HDR_SET_COOKIE, HDR_TITLE, HDR_UPGRADE, HDR_USER_AGENT, HDR_VARY, HDR_VIA, HDR_WARNING, HDR_WWW_AUTHENTICATE, HDR_AUTHENTICATION_INFO, HDR_X_CACHE, HDR_X_CACHE_LOOKUP, /* tmp hack, remove later */ HDR_X_FORWARDED_FOR, HDR_X_REQUEST_URI, /* appended if ADD_X_REQUEST_URI is #defined */ HDR_X_SQUID_ERROR, HDR_OTHER, HDR_ENUM_END } http_hdr_type; typedef enum { CC_PUBLIC, CC_PRIVATE, CC_NO_CACHE, CC_NO_STORE, CC_NO_TRANSFORM, CC_MUST_REVALIDATE, CC_PROXY_REVALIDATE, CC_MAX_AGE, CC_S_MAXAGE, CC_MAX_STALE, CC_ONLY_IF_CACHED, CC_OTHER, CC_ENUM_END } http_hdr_cc_type; /* possible types for http header fields */ typedef enum { ftInvalid = HDR_ENUM_END, /* to catch nasty errors with hdr_id<->fld_type clashes */ ftInt, ftStr, ftDate_1123, ftETag, ftPCc, ftPContRange, ftPRange, ftDate_1123_or_ETag } field_type; /* possible owners of http header */ typedef enum { hoNone, #if USE_HTCP hoHtcpReply, #endif hoRequest, hoReply } http_hdr_owner_type; typedef enum { HIER_NONE, DIRECT, SIBLING_HIT, PARENT_HIT, DEFAULT_PARENT, SINGLE_PARENT, FIRSTUP_PARENT, FIRST_PARENT_MISS, CLOSEST_PARENT_MISS, CLOSEST_PARENT, CLOSEST_DIRECT, NO_DIRECT_FAIL, SOURCE_FASTEST, ROUNDROBIN_PARENT, #if USE_CACHE_DIGESTS CD_PARENT_HIT, CD_SIBLING_HIT, #endif #if USE_CARP CARP, #endif ANY_OLD_PARENT, HIER_MAX } hier_code; typedef enum { ICP_INVALID, ICP_QUERY, ICP_HIT, ICP_MISS, ICP_ERR, ICP_SEND, ICP_SENDA, ICP_DATABEG, ICP_DATA, ICP_DATAEND, ICP_SECHO, ICP_DECHO, ICP_NOTIFY, ICP_INVALIDATE, ICP_DELETE, ICP_UNUSED15, ICP_UNUSED16, ICP_UNUSED17, ICP_UNUSED18, ICP_UNUSED19, ICP_UNUSED20, ICP_MISS_NOFETCH, ICP_DENIED, ICP_HIT_OBJ, ICP_END } icp_opcode; enum { NOT_IN_MEMORY, IN_MEMORY }; enum { PING_NONE, PING_WAITING, PING_DONE }; enum { STORE_OK, STORE_PENDING }; enum { SWAPOUT_NONE, SWAPOUT_WRITING, SWAPOUT_DONE }; typedef enum { STORE_NON_CLIENT, STORE_MEM_CLIENT, STORE_DISK_CLIENT } store_client_t; enum { METHOD_NONE, /* 000 */ METHOD_GET, /* 001 */ METHOD_POST, /* 010 */ METHOD_PUT, /* 011 */ METHOD_HEAD, /* 100 */ METHOD_CONNECT, /* 101 */ METHOD_TRACE, /* 110 */ METHOD_PURGE, /* 111 */ METHOD_OPTIONS, METHOD_DELETE, /* RFC2616 section 9.7 */ METHOD_PROPFIND, METHOD_PROPPATCH, METHOD_MKCOL, METHOD_COPY, METHOD_MOVE, METHOD_LOCK, METHOD_UNLOCK, METHOD_BMOVE, METHOD_BDELETE, METHOD_BPROPFIND, METHOD_EXT00, METHOD_EXT01, METHOD_EXT02, METHOD_EXT03, METHOD_EXT04, METHOD_EXT05, METHOD_EXT06, METHOD_EXT07, METHOD_EXT08, METHOD_EXT09, METHOD_EXT10, METHOD_EXT11, METHOD_EXT12, METHOD_EXT13, METHOD_EXT14, METHOD_EXT15, METHOD_EXT16, METHOD_EXT17, METHOD_EXT18, METHOD_EXT19, METHOD_ENUM_END }; typedef unsigned int method_t; typedef enum { PROTO_NONE, PROTO_HTTP, PROTO_FTP, PROTO_GOPHER, PROTO_WAIS, PROTO_CACHEOBJ, PROTO_ICP, #if USE_HTCP PROTO_HTCP, #endif PROTO_URN, PROTO_WHOIS, PROTO_INTERNAL, PROTO_HTTPS, PROTO_MAX } protocol_t; typedef enum { HTTP_STATUS_NONE = 0, HTTP_CONTINUE = 100, HTTP_SWITCHING_PROTOCOLS = 101, HTTP_PROCESSING = 102, /* RFC2518 section 10.1 */ HTTP_OK = 200, HTTP_CREATED = 201, HTTP_ACCEPTED = 202, HTTP_NON_AUTHORITATIVE_INFORMATION = 203, HTTP_NO_CONTENT = 204, HTTP_RESET_CONTENT = 205, HTTP_PARTIAL_CONTENT = 206, HTTP_MULTI_STATUS = 207, /* RFC2518 section 10.2 */ HTTP_MULTIPLE_CHOICES = 300, HTTP_MOVED_PERMANENTLY = 301, HTTP_MOVED_TEMPORARILY = 302, HTTP_SEE_OTHER = 303, HTTP_NOT_MODIFIED = 304, HTTP_USE_PROXY = 305, HTTP_BAD_REQUEST = 400, HTTP_UNAUTHORIZED = 401, HTTP_PAYMENT_REQUIRED = 402, HTTP_FORBIDDEN = 403, HTTP_NOT_FOUND = 404, HTTP_METHOD_NOT_ALLOWED = 405, HTTP_NOT_ACCEPTABLE = 406, HTTP_PROXY_AUTHENTICATION_REQUIRED = 407, HTTP_REQUEST_TIMEOUT = 408, HTTP_CONFLICT = 409, HTTP_GONE = 410, HTTP_LENGTH_REQUIRED = 411, HTTP_PRECONDITION_FAILED = 412, HTTP_REQUEST_ENTITY_TOO_LARGE = 413, HTTP_REQUEST_URI_TOO_LARGE = 414, HTTP_UNSUPPORTED_MEDIA_TYPE = 415, HTTP_UNPROCESSABLE_ENTITY = 422, /* RFC2518 section 10.3 */ HTTP_LOCKED = 423, /* RFC2518 section 10.4 */ HTTP_FAILED_DEPENDENCY = 424, /* RFC2518 section 10.5 */ HTTP_INTERNAL_SERVER_ERROR = 500, HTTP_NOT_IMPLEMENTED = 501, HTTP_BAD_GATEWAY = 502, HTTP_SERVICE_UNAVAILABLE = 503, HTTP_GATEWAY_TIMEOUT = 504, HTTP_HTTP_VERSION_NOT_SUPPORTED = 505, HTTP_INSUFFICIENT_STORAGE = 507, /* RFC2518 section 10.6 */ HTTP_INVALID_HEADER = 600 /* Squid header parsing error */ } http_status; /* * These are for StoreEntry->flag, which is defined as a SHORT * * NOTE: These flags are written to swap.state, so think very carefully * about deleting or re-assigning! */ enum { ENTRY_SPECIAL, ENTRY_REVALIDATE, DELAY_SENDING, RELEASE_REQUEST, REFRESH_REQUEST, ENTRY_CACHABLE, ENTRY_DISPATCHED, KEY_PRIVATE, ENTRY_FWD_HDR_WAIT, ENTRY_NEGCACHED, ENTRY_VALIDATED, ENTRY_BAD_LENGTH, ENTRY_ABORTED, ENTRY_DONT_LOG /* hack for gross 'Pump' entries */ }; typedef enum { ACCESS_DENIED, ACCESS_ALLOWED, ACCESS_REQ_PROXY_AUTH } allow_t; #if SQUID_SNMP enum { SNMP_C_VIEW, SNMP_C_USER, SNMP_C_COMMUNITY }; #endif typedef enum { MEM_NONE, MEM_2K_BUF, MEM_4K_BUF, MEM_8K_BUF, MEM_16K_BUF, MEM_32K_BUF, MEM_64K_BUF, MEM_ACCESSLOGENTRY, MEM_ACL, MEM_ACLCHECK_T, MEM_ACL_ACCESS, MEM_ACL_DENY_INFO_LIST, MEM_ACL_IP_DATA, MEM_ACL_LIST, MEM_ACL_NAME_LIST, MEM_ACL_PROXY_AUTH_USER, MEM_ACL_TIME_DATA, MEM_CACHEMGR_PASSWD, #if USE_CACHE_DIGESTS MEM_CACHE_DIGEST, #endif MEM_CLIENTHTTPREQUEST, MEM_CLIENT_INFO, MEM_CLIENT_SOCK_BUF, MEM_CLOSE_HANDLER, MEM_COMMWRITESTATEDATA, MEM_CONNSTATEDATA, #if USE_CACHE_DIGESTS MEM_DIGEST_FETCH_STATE, #endif MEM_LINK_LIST, MEM_DLINK_LIST, MEM_DLINK_NODE, MEM_DNSSERVER_T, MEM_DNSSTATDATA, MEM_DOMAIN_PING, MEM_DOMAIN_TYPE, MEM_DONTFREE, MEM_DREAD_CTRL, MEM_DWRITE_Q, MEM_ERRORSTATE, MEM_FILEMAP, MEM_FQDNCACHE_ENTRY, MEM_FWD_SERVER, MEM_FWD_STATE, MEM_HASH_LINK, MEM_HASH_TABLE, MEM_HELPER, MEM_HELPER_REQUEST, MEM_HELPER_SERVER, MEM_HIERARCHYLOGENTRY, #if USE_HTCP MEM_HTCP_SPECIFIER, MEM_HTCP_DETAIL, #endif MEM_HTTP_HDR_CC, MEM_HTTP_HDR_CONTENT_RANGE, MEM_HTTP_HDR_ENTRY, MEM_HTTP_HDR_RANGE, MEM_HTTP_HDR_RANGE_SPEC, MEM_HTTP_REPLY, MEM_HTTP_STATE_DATA, MEM_ICPUDPDATA, MEM_ICP_COMMON_T, MEM_ICP_PING_DATA, MEM_INTLIST, MEM_IOSTATS, MEM_IPCACHE_ENTRY, MEM_MD5_DIGEST, MEM_MEMOBJECT, MEM_MEM_NODE, MEM_NETDBENTRY, MEM_NET_DB_NAME, MEM_NET_DB_PEER, MEM_PEER, #if USE_CACHE_DIGESTS MEM_PEER_DIGEST, #endif #if USE_ICMP MEM_PINGERECHODATA, MEM_PINGERREPLYDATA, #endif MEM_PS_STATE, MEM_REFRESH_T, MEM_RELIST, MEM_REQUEST_T, MEM_SQUIDCONFIG, MEM_SQUIDCONFIG2, MEM_STATCOUNTERS, MEM_STMEM_BUF, MEM_STOREENTRY, MEM_STORE_CLIENT, MEM_SWAPDIR, MEM_USHORTLIST, MEM_WORDLIST, MEM_STORE_IO, #if !USE_DNSSERVERS MEM_IDNS_QUERY, #endif MEM_EVENT, MEM_TLV, MEM_SWAP_LOG_DATA, MEM_GEN_CBDATA, MEM_PUMP_STATE_DATA, MEM_CLIENT_REQ_BUF, MEM_MAX } mem_type; /* * NOTE! We must preserve the order of this list! */ enum { STORE_META_VOID, /* should not come up */ STORE_META_KEY_URL, /* key w/ keytype */ STORE_META_KEY_SHA, STORE_META_KEY_MD5, STORE_META_URL, /* the url , if not in the header */ STORE_META_STD, /* standard metadata */ STORE_META_HITMETERING, /* reserved for hit metering */ STORE_META_VALID, STORE_META_END }; enum { STORE_LOG_CREATE, STORE_LOG_SWAPIN, STORE_LOG_SWAPOUT, STORE_LOG_RELEASE, STORE_LOG_SWAPOUTFAIL }; typedef enum { SWAP_LOG_NOP, SWAP_LOG_ADD, SWAP_LOG_DEL, SWAP_LOG_MAX } swap_log_op; /* parse state of HttpReply or HttpRequest */ typedef enum { psReadyToParseStartLine = 0, psReadyToParseHeaders, psParsed, psError } HttpMsgParseState; enum { MEDIAN_HTTP, MEDIAN_ICP_QUERY, MEDIAN_DNS, MEDIAN_HIT, MEDIAN_MISS, MEDIAN_NM, MEDIAN_NH, MEDIAN_ICP_REPLY }; enum { SENT, RECV }; /* * These are field indicators for raw cache-cache netdb transfers */ enum { NETDB_EX_NONE, NETDB_EX_NETWORK, NETDB_EX_RTT, NETDB_EX_HOPS };