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[MINOR] report in the proxies the requirements for ACLs

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This patch propagates the ACL conditions' "requires" bitfield
to the proxies. This makes it possible to know exactly what a
proxy might have to support for any request, which helps knowing
whether we have to allocate some space for certain types of
structures or not (eg: the hdr_idx struct).

The concept might be extended to a lot more types of information,
such as detecting whether we need to allocate some space for some
request ACLs which need a result in the response, etc...
This commit is contained in:
Willy Tarreau 2009-07-10 20:53:53 +02:00
parent 1d0dfb155d
commit a9fb08317f
3 changed files with 8 additions and 0 deletions
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1
include/types/proxy.h
View File

@ -162,6 +162,7 @@ struct proxy {
unsigned int inspect_delay; /* inspection delay */
struct list inspect_rules; /* inspection rules */
} tcp_req;
int acl_requires; /* Elements required to satisfy all ACLs (ACL_USE_*) */
struct server *srv; /* known servers */
int srv_act, srv_bck; /* # of servers eligible for LB (UP|!checked) AND (enabled+weight!=0) */

5
src/cfgparse.c
View File

@ -1360,6 +1360,7 @@ int cfg_parse_listen(const char *file, int linenum, char **args, int kwm)
return -1;
}
cond->line = linenum;
curproxy->acl_requires |= cond->requires;
LIST_ADDQ(&curproxy->block_cond, &cond->list);
warnif_misplaced_block(curproxy, file, linenum, args[0]);
}
@ -1475,6 +1476,7 @@ int cfg_parse_listen(const char *file, int linenum, char **args, int kwm)
}
cond->line = linenum;
curproxy->acl_requires |= cond->requires;
rule = (struct redirect_rule *)calloc(1, sizeof(*rule));
rule->cond = cond;
rule->rdr_str = strdup(destination);
@ -1536,6 +1538,7 @@ int cfg_parse_listen(const char *file, int linenum, char **args, int kwm)
}
cond->line = linenum;
curproxy->acl_requires |= cond->requires;
if (cond->requires & ACL_USE_RTR_ANY) {
struct acl *acl;
const char *name;
@ -1921,6 +1924,7 @@ int cfg_parse_listen(const char *file, int linenum, char **args, int kwm)
return -1;
}
cond->line = linenum;
curproxy->acl_requires |= cond->requires;
LIST_ADDQ(&curproxy->mon_fail_cond, &cond->list);
}
else {
@ -3442,6 +3446,7 @@ int check_config_validity()
break;
case PR_MODE_HTTP:
curproxy->acl_requires |= ACL_USE_L7_ANY;
if ((curproxy->cookie_name != NULL) && (curproxy->srv == NULL)) {
Alert("config : HTTP proxy %s has a cookie but no server list !\n",
curproxy->id);

2
src/proto_tcp.c
View File

@ -539,6 +539,8 @@ static int tcp_parse_tcp_req(char **args, int section_type, struct proxy *curpx,
// FIXME: how to set this ?
// cond->line = linenum;
if (cond)
curpx->acl_requires |= cond->requires;
if (cond && cond->requires & (ACL_USE_RTR_ANY | ACL_USE_L7_ANY)) {
struct acl *acl;
const char *name;