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winbindd: add service routines to support a sorted client list

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Add some routines that support keeping the client list sorted
(by last access time) and traversing the list from oldest to
newest

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11397

Signed-off-by: Uri Simchoni <urisimchoni@gmail.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This commit is contained in:
Uri Simchoni 2015-07-13 21:08:16 +03:00 committed by Jeremy Allison
parent 03282bfd41
commit f065100639
2 changed files with 26 additions and 0 deletions
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4
source3/winbindd/winbindd_proto.h
View File

@ -430,8 +430,12 @@ char *fill_domain_username_talloc(TALLOC_CTX *ctx,
const char *user,
bool can_assume);
struct winbindd_cli_state *winbindd_client_list(void);
struct winbindd_cli_state *winbindd_client_list_tail(void);
struct winbindd_cli_state *
winbindd_client_list_prev(struct winbindd_cli_state *cli);
void winbindd_add_client(struct winbindd_cli_state *cli);
void winbindd_remove_client(struct winbindd_cli_state *cli);
void winbindd_promote_client(struct winbindd_cli_state *cli);
int winbindd_num_clients(void);
NTSTATUS lookup_usergroups_cached(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,

22
source3/winbindd/winbindd_util.c
View File

@ -1206,6 +1206,21 @@ struct winbindd_cli_state *winbindd_client_list(void)
return _client_list;
}
/* Return list-tail of all connected clients */
struct winbindd_cli_state *winbindd_client_list_tail(void)
{
return DLIST_TAIL(_client_list);
}
/* Return previous (read:newer) client in list */
struct winbindd_cli_state *
winbindd_client_list_prev(struct winbindd_cli_state *cli)
{
return DLIST_PREV(cli);
}
/* Add a connection to the list */
void winbindd_add_client(struct winbindd_cli_state *cli)
@ -1222,6 +1237,13 @@ void winbindd_remove_client(struct winbindd_cli_state *cli)
_num_clients--;
}
/* Move a client to head or list */
void winbindd_promote_client(struct winbindd_cli_state *cli)
{
DLIST_PROMOTE(_client_list, cli);
}
/* Return number of open clients */
int winbindd_num_clients(void)