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/*
* include/types/arg.h
* This file contains structure declarations for generaic argument parsing.
*
* Copyright 2012 Willy Tarreau <w@1wt.eu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, version 2.1
* exclusively.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _TYPES_ARG_H
#define _TYPES_ARG_H
#include <sys/socket.h>
#include <netinet/in.h>
#include <common/chunk.h>
#include <common/mini-clist.h>
enum {
ARGT_STOP = 0, /* end of the arg list */
ARGT_UINT, /* unsigned integer, which is a positive integer without any sign */
ARGT_SINT, /* signed integer, the sign (+/-) was explicit. Falls back to UINT if no sign. */
ARGT_STR, /* string */
ARGT_IPV4, /* an IPv4 address */
ARGT_MSK4, /* an IPv4 address mask (integer or dotted), stored as ARGT_IPV4 */
ARGT_IPV6, /* an IPv6 address */
ARGT_MSK6, /* an IPv6 address mask (integer or dotted), stored as ARGT_IPV4 */
ARGT_TIME, /* a delay in ms by default, stored as ARGT_UINT */
ARGT_SIZE, /* a size in bytes by default, stored as ARGT_UINT */
ARGT_FE, /* a pointer to a frontend only */
ARGT_BE, /* a pointer to a backend only */
ARGT_TAB, /* a pointer to a stick table */
ARGT_SRV, /* a pointer to a server */
ARGT_USR, /* a pointer to a user list */
ARGT_MAP, /* a pointer to a map descriptor */
ARGT_NBTYPES /* no more values past 15 */
};
/* context where arguments are used, in order to help error reporting */
enum {
ARGC_ACL = 0, /* ACL */
ARGC_STK, /* sticking rule */
ARGC_TRK, /* tracking rule */
ARGC_LOG, /* log-format */
ARGC_HRQ, /* http-request */
ARGC_HRS, /* http-response */
ARGC_UIF, /* unique-id-format */
ARGC_RDR, /* redirect */
ARGC_CAP, /* capture rule */
};
/* some types that are externally defined */
struct proxy;
struct server;
struct userlist;
union arg_data {
unsigned int uint; /* used for uint, time, size */
int sint;
struct chunk str;
struct in_addr ipv4;
struct in6_addr ipv6;
struct proxy *prx; /* used for fe, be, tables */
struct server *srv;
struct userlist *usr;
struct map_descriptor *map;
};
struct arg {
unsigned char type; /* argument type, ARGT_* */
unsigned char unresolved; /* argument contains a string in <str> that must be resolved and freed */
union arg_data data; /* argument data */
};
/* arg lists are used to store information about arguments that could not be
* resolved when parsing the configuration. The head is an arg_list which
* serves as a template to create new entries. Nothing here is allocated,
* so plain copies are OK.
*/
struct arg_list {
struct list list; /* chaining with other arg_list, or list head */
struct arg *arg; /* pointer to the arg, NULL on list head */
int arg_pos; /* argument position */
int ctx; /* context where the arg is used (ARGC_*) */
const char *kw; /* keyword making use of these args */
const char *conv; /* conv keyword when in conv, otherwise NULL */
const char *file; /* file name where the args are referenced */
int line; /* line number where the args are referenced */
};
#endif /* _TYPES_ARG_H */
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/
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