[ULOGD PATCH 5/8] Add a list of used plugininstance.

[Eric Leblond <eric@inl.fr>]

This patch adds plist a linked list to the pluginstance
structure. It can be used by input modules to duplicate an
entry. This solves the issue of not being able to use the same
plugin instance twice.

Signed-off-by: Eric Leblond <eric@inl.fr>
---
 include/ulogd/ulogd.h |    2 ++
 src/ulogd.c           |    2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/include/ulogd/ulogd.h b/include/ulogd/ulogd.h
index 39ac464..73a1711 100644
--- a/include/ulogd/ulogd.h
+++ b/include/ulogd/ulogd.h
@@ -168,6 +168,8 @@ struct ulogd_plugin {
 struct ulogd_pluginstance {
 	/* local list of plugins in this stack */
 	struct llist_head list;
+	/* local list of plugininstance in other stacks */
+	struct llist_head plist;
 	/* plugin */
 	struct ulogd_plugin *plugin;
 	/* stack that we're part of */
diff --git a/src/ulogd.c b/src/ulogd.c
index b69d25d..a6356f2 100644
--- a/src/ulogd.c
+++ b/src/ulogd.c
@@ -529,6 +529,7 @@ pluginstance_alloc_init(struct ulogd_plugin *pl, char *pi_id,
 	/* initialize */
 	memset(pi, 0, size);
 	INIT_LLIST_HEAD(&pi->list);
+	INIT_LLIST_HEAD(&pi->plist);
 	pi->plugin = pl;
 	pi->stack = stack;
 	memcpy(pi->id, pi_id, sizeof(pi->id));
@@ -722,6 +723,7 @@ static int pluginstance_started(struct ulogd_pluginstance *npi)
 			/* OK, pluginstance already exists in stack list */
 			if (! strcmp(pi->id, npi->id)) {
 				ulogd_log(ULOGD_INFO, "%s instance already loaded\n", pi->id);
+				llist_add(&pi->plist, &npi->plist);
 				return 1;
 			}
 		}
-- 
1.5.4.3