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https://github.com/haproxy/haproxy.git
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7d4335c935
A map can store and return various types as output. The only one example is the IPv4 and IPv6 types. The previous patch remove the type from the sample storage struct and use the conoverter output type, expecting that all entries of the map have the same type. This will be wrong when the maps will support both IPv4 and IPv6 as output.
125 lines
4.5 KiB
C
125 lines
4.5 KiB
C
/*
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* include/types/applet.h
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* This file describes the applet struct and associated constants.
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*
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* Copyright (C) 2000-2015 Willy Tarreau - w@1wt.eu
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, version 2.1
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* exclusively.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _TYPES_APPLET_H
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#define _TYPES_APPLET_H
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#include <types/hlua.h>
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#include <types/obj_type.h>
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#include <common/chunk.h>
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#include <common/config.h>
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struct appctx;
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/* Applet descriptor */
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struct applet {
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enum obj_type obj_type; /* object type = OBJ_TYPE_APPLET */
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/* 3 unused bytes here */
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char *name; /* applet's name to report in logs */
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void (*fct)(struct appctx *); /* internal I/O handler, may never be NULL */
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void (*release)(struct appctx *); /* callback to release resources, may be NULL */
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};
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/* Context of a running applet. */
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struct appctx {
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struct list runq; /* chaining in the applet run queue */
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enum obj_type obj_type; /* OBJ_TYPE_APPCTX */
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/* 3 unused bytes here */
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unsigned int st0; /* CLI state for stats, session state for peers */
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unsigned int st1; /* prompt for stats, session error for peers */
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unsigned int st2; /* output state for stats, unused by peers */
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struct applet *applet; /* applet this context refers to */
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void *owner; /* pointer to upper layer's entity (eg: stream interface) */
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union {
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struct {
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struct proxy *px;
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struct server *sv;
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void *l;
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int scope_str; /* limit scope to a frontend/backend substring */
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int scope_len; /* length of the string above in the buffer */
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int px_st; /* STAT_PX_ST* */
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unsigned int flags; /* STAT_* */
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int iid, type, sid; /* proxy id, type and service id if bounding of stats is enabled */
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int st_code; /* the status code returned by an action */
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} stats;
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struct {
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struct bref bref; /* back-reference from the session being dumped */
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void *target; /* session we want to dump, or NULL for all */
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unsigned int uid; /* if non-null, the uniq_id of the session being dumped */
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int section; /* section of the session being dumped */
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int pos; /* last position of the current session's buffer */
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} sess;
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struct {
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int iid; /* if >= 0, ID of the proxy to filter on */
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struct proxy *px; /* current proxy being dumped, NULL = not started yet. */
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unsigned int buf; /* buffer being dumped, 0 = req, 1 = rep */
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unsigned int sid; /* session ID of error being dumped */
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int ptr; /* <0: headers, >=0 : text pointer to restart from */
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int bol; /* pointer to beginning of current line */
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} errors;
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struct {
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void *target; /* table we want to dump, or NULL for all */
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struct proxy *proxy; /* table being currently dumped (first if NULL) */
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struct stksess *entry; /* last entry we were trying to dump (or first if NULL) */
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long long value; /* value to compare against */
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signed char data_type; /* type of data to compare, or -1 if none */
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signed char data_op; /* operator (STD_OP_*) when data_type set */
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} table;
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struct {
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const char *msg; /* pointer to a persistent message to be returned in PRINT state */
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char *err; /* pointer to a 'must free' message to be returned in PRINT_FREE state */
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} cli;
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struct {
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void *ptr; /* multi-purpose pointer for peers */
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} peers;
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struct {
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unsigned int display_flags;
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struct pat_ref *ref;
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struct pat_ref_elt *elt;
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struct pattern_expr *expr;
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struct chunk chunk;
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} map;
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#if (defined SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB && TLS_TICKETS_NO > 0)
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struct {
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struct tls_keys_ref *ref;
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} tlskeys;
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#endif
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struct {
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int connected;
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struct hlua_socket *socket;
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struct list wake_on_read;
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struct list wake_on_write;
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} hlua;
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struct {
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struct dns_resolvers *ptr;
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} resolvers;
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} ctx; /* used by stats I/O handlers to dump the stats */
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};
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#endif /* _TYPES_APPLET_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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