1 files changed, 93 insertions, 0 deletions
diff --git a/pimd/pim_br.c b/pimd/pim_br.c
new file mode 100644
index 0000000..6ec6b11
--- /dev/null
+++ b/pimd/pim_br.c
@@ -0,0 +1,93 @@
+/*
+ * PIM for Quagga
+ * Copyright (C) 2015 Cumulus Networks, Inc.
+ * Donald Sharp
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <zebra.h>
+
+#include "memory.h"
+#include "log.h"
+#include "if.h"
+
+#include "pimd.h"
+#include "pim_str.h"
+#include "pim_br.h"
+#include "linklist.h"
+
+struct pim_br {
+	pim_sgaddr sg;
+	pim_addr pmbr;
+};
+
+static struct list *pim_br_list = NULL;
+
+pim_addr pim_br_get_pmbr(pim_sgaddr *sg)
+{
+	struct listnode *node;
+	struct pim_br *pim_br;
+
+	for (ALL_LIST_ELEMENTS_RO(pim_br_list, node, pim_br)) {
+		if (!pim_sgaddr_cmp(*sg, pim_br->sg))
+			return pim_br->pmbr;
+	}
+
+	return PIMADDR_ANY;
+}
+
+void pim_br_set_pmbr(pim_sgaddr *sg, pim_addr br)
+{
+	struct listnode *node, *next;
+	struct pim_br *pim_br;
+
+	for (ALL_LIST_ELEMENTS(pim_br_list, node, next, pim_br)) {
+		if (!pim_sgaddr_cmp(*sg, pim_br->sg))
+			break;
+	}
+
+	if (!pim_br) {
+		pim_br = XCALLOC(MTYPE_PIM_BR, sizeof(*pim_br));
+		pim_br->sg = *sg;
+
+		listnode_add(pim_br_list, pim_br);
+	}
+
+	pim_br->pmbr = br;
+}
+
+/*
+ * Remove the (S,G) from the stored values
+ */
+void pim_br_clear_pmbr(pim_sgaddr *sg)
+{
+	struct listnode *node, *next;
+	struct pim_br *pim_br;
+
+	for (ALL_LIST_ELEMENTS(pim_br_list, node, next, pim_br)) {
+		if (!pim_sgaddr_cmp(*sg, pim_br->sg))
+			break;
+	}
+
+	if (!pim_br)
+		return;
+
+	listnode_delete(pim_br_list, pim_br);
+}
+
+void pim_br_init(void)
+{
+	pim_br_list = list_new();
+}