#include "ripd/ripd.h"
-#define RIP_OFFSET_LIST_IN 0
-#define RIP_OFFSET_LIST_OUT 1
-#define RIP_OFFSET_LIST_MAX 2
-
-struct rip_offset_list {
- char *ifname;
-
- struct {
- char *alist_name;
- /* struct access_list *alist; */
- int metric;
- } direct[RIP_OFFSET_LIST_MAX];
-};
-
static struct list *rip_offset_list_master;
-static int strcmp_safe(const char *s1, const char *s2)
-{
- if (s1 == NULL && s2 == NULL)
- return 0;
- if (s1 == NULL)
- return -1;
- if (s2 == NULL)
- return 1;
- return strcmp(s1, s2);
-}
-
-static struct rip_offset_list *rip_offset_list_new(void)
-{
- return XCALLOC(MTYPE_RIP_OFFSET_LIST, sizeof(struct rip_offset_list));
-}
-
-static void rip_offset_list_free(struct rip_offset_list *offset)
-{
- XFREE(MTYPE_RIP_OFFSET_LIST, offset);
-}
-
-static struct rip_offset_list *rip_offset_list_lookup(const char *ifname)
-{
- struct rip_offset_list *offset;
- struct listnode *node, *nnode;
+#define OFFSET_LIST_IN_NAME(O) ((O)->direct[RIP_OFFSET_LIST_IN].alist_name)
+#define OFFSET_LIST_IN_METRIC(O) ((O)->direct[RIP_OFFSET_LIST_IN].metric)
- for (ALL_LIST_ELEMENTS(rip_offset_list_master, node, nnode, offset)) {
- if (strcmp_safe(offset->ifname, ifname) == 0)
- return offset;
- }
- return NULL;
-}
+#define OFFSET_LIST_OUT_NAME(O) ((O)->direct[RIP_OFFSET_LIST_OUT].alist_name)
+#define OFFSET_LIST_OUT_METRIC(O) ((O)->direct[RIP_OFFSET_LIST_OUT].metric)
-static struct rip_offset_list *rip_offset_list_get(const char *ifname)
+struct rip_offset_list *rip_offset_list_new(const char *ifname)
{
struct rip_offset_list *offset;
- offset = rip_offset_list_lookup(ifname);
- if (offset)
- return offset;
-
- offset = rip_offset_list_new();
- if (ifname)
- offset->ifname = strdup(ifname);
+ offset = XCALLOC(MTYPE_RIP_OFFSET_LIST, sizeof(struct rip_offset_list));
+ offset->ifname = strdup(ifname);
listnode_add_sort(rip_offset_list_master, offset);
return offset;
}
-static int rip_offset_list_set(struct vty *vty, const char *alist,
- const char *direct_str, const char *metric_str,
- const char *ifname)
+void offset_list_del(struct rip_offset_list *offset)
{
- int direct;
- int metric;
- struct rip_offset_list *offset;
-
- /* Check direction. */
- if (strncmp(direct_str, "i", 1) == 0)
- direct = RIP_OFFSET_LIST_IN;
- else if (strncmp(direct_str, "o", 1) == 0)
- direct = RIP_OFFSET_LIST_OUT;
- else {
- vty_out(vty, "Invalid direction: %s\n", direct_str);
- return CMD_WARNING_CONFIG_FAILED;
- }
-
- /* Check metric. */
- metric = atoi(metric_str);
- if (metric < 0 || metric > 16) {
- vty_out(vty, "Invalid metric: %s\n", metric_str);
- return CMD_WARNING_CONFIG_FAILED;
- }
-
- /* Get offset-list structure with interface name. */
- offset = rip_offset_list_get(ifname);
-
- if (offset->direct[direct].alist_name)
- free(offset->direct[direct].alist_name);
- offset->direct[direct].alist_name = strdup(alist);
- offset->direct[direct].metric = metric;
-
- return CMD_SUCCESS;
+ listnode_delete(rip_offset_list_master, offset);
+ if (OFFSET_LIST_IN_NAME(offset))
+ free(OFFSET_LIST_IN_NAME(offset));
+ if (OFFSET_LIST_OUT_NAME(offset))
+ free(OFFSET_LIST_OUT_NAME(offset));
+ free(offset->ifname);
+ XFREE(MTYPE_RIP_OFFSET_LIST, offset);
}
-static int rip_offset_list_unset(struct vty *vty, const char *alist,
- const char *direct_str, const char *metric_str,
- const char *ifname)
+struct rip_offset_list *rip_offset_list_lookup(const char *ifname)
{
- int direct;
- int metric;
struct rip_offset_list *offset;
+ struct listnode *node, *nnode;
- /* Check direction. */
- if (strncmp(direct_str, "i", 1) == 0)
- direct = RIP_OFFSET_LIST_IN;
- else if (strncmp(direct_str, "o", 1) == 0)
- direct = RIP_OFFSET_LIST_OUT;
- else {
- vty_out(vty, "Invalid direction: %s\n", direct_str);
- return CMD_WARNING_CONFIG_FAILED;
- }
-
- /* Check metric. */
- metric = atoi(metric_str);
- if (metric < 0 || metric > 16) {
- vty_out(vty, "Invalid metric: %s\n", metric_str);
- return CMD_WARNING_CONFIG_FAILED;
- }
-
- /* Get offset-list structure with interface name. */
- offset = rip_offset_list_lookup(ifname);
-
- if (offset) {
- if (offset->direct[direct].alist_name)
- free(offset->direct[direct].alist_name);
- offset->direct[direct].alist_name = NULL;
-
- if (offset->direct[RIP_OFFSET_LIST_IN].alist_name == NULL
- && offset->direct[RIP_OFFSET_LIST_OUT].alist_name == NULL) {
- listnode_delete(rip_offset_list_master, offset);
- if (offset->ifname)
- free(offset->ifname);
- rip_offset_list_free(offset);
- }
- } else {
- vty_out(vty, "Can't find offset-list\n");
- return CMD_WARNING_CONFIG_FAILED;
+ for (ALL_LIST_ELEMENTS(rip_offset_list_master, node, nnode, offset)) {
+ if (strcmp(offset->ifname, ifname) == 0)
+ return offset;
}
- return CMD_SUCCESS;
+ return NULL;
}
-#define OFFSET_LIST_IN_NAME(O) ((O)->direct[RIP_OFFSET_LIST_IN].alist_name)
-#define OFFSET_LIST_IN_METRIC(O) ((O)->direct[RIP_OFFSET_LIST_IN].metric)
-
-#define OFFSET_LIST_OUT_NAME(O) ((O)->direct[RIP_OFFSET_LIST_OUT].alist_name)
-#define OFFSET_LIST_OUT_METRIC(O) ((O)->direct[RIP_OFFSET_LIST_OUT].metric)
-
/* If metric is modifed return 1. */
int rip_offset_list_apply_in(struct prefix_ipv4 *p, struct interface *ifp,
uint32_t *metric)
return 0;
}
/* Look up offset-list without interface name. */
- offset = rip_offset_list_lookup(NULL);
+ offset = rip_offset_list_lookup("*");
if (offset && OFFSET_LIST_IN_NAME(offset)) {
alist = access_list_lookup(AFI_IP, OFFSET_LIST_IN_NAME(offset));
}
/* Look up offset-list without interface name. */
- offset = rip_offset_list_lookup(NULL);
+ offset = rip_offset_list_lookup("*");
if (offset && OFFSET_LIST_OUT_NAME(offset)) {
alist = access_list_lookup(AFI_IP,
OFFSET_LIST_OUT_NAME(offset));
return 0;
}
-DEFUN (rip_offset_list,
- rip_offset_list_cmd,
- "offset-list WORD <in|out> (0-16)",
- "Modify RIP metric\n"
- "Access-list name\n"
- "For incoming updates\n"
- "For outgoing updates\n"
- "Metric value\n")
-{
- int idx_word = 1;
- int idx_in_out = 2;
- int idx_number = 3;
- return rip_offset_list_set(vty, argv[idx_word]->arg,
- argv[idx_in_out]->arg, argv[idx_number]->arg,
- NULL);
-}
-
-DEFUN (rip_offset_list_ifname,
- rip_offset_list_ifname_cmd,
- "offset-list WORD <in|out> (0-16) IFNAME",
- "Modify RIP metric\n"
- "Access-list name\n"
- "For incoming updates\n"
- "For outgoing updates\n"
- "Metric value\n"
- "Interface to match\n")
-{
- int idx_word = 1;
- int idx_in_out = 2;
- int idx_number = 3;
- int idx_ifname = 4;
- return rip_offset_list_set(vty, argv[idx_word]->arg,
- argv[idx_in_out]->arg, argv[idx_number]->arg,
- argv[idx_ifname]->arg);
-}
-
-DEFUN (no_rip_offset_list,
- no_rip_offset_list_cmd,
- "no offset-list WORD <in|out> (0-16)",
- NO_STR
- "Modify RIP metric\n"
- "Access-list name\n"
- "For incoming updates\n"
- "For outgoing updates\n"
- "Metric value\n")
-{
- int idx_word = 2;
- int idx_in_out = 3;
- int idx_number = 4;
- return rip_offset_list_unset(vty, argv[idx_word]->arg,
- argv[idx_in_out]->arg,
- argv[idx_number]->arg, NULL);
-}
-
-DEFUN (no_rip_offset_list_ifname,
- no_rip_offset_list_ifname_cmd,
- "no offset-list WORD <in|out> (0-16) IFNAME",
- NO_STR
- "Modify RIP metric\n"
- "Access-list name\n"
- "For incoming updates\n"
- "For outgoing updates\n"
- "Metric value\n"
- "Interface to match\n")
-{
- int idx_word = 2;
- int idx_in_out = 3;
- int idx_number = 4;
- int idx_ifname = 5;
- return rip_offset_list_unset(
- vty, argv[idx_word]->arg, argv[idx_in_out]->arg,
- argv[idx_number]->arg, argv[idx_ifname]->arg);
-}
-
static int offset_list_cmp(struct rip_offset_list *o1,
struct rip_offset_list *o2)
{
- return strcmp_safe(o1->ifname, o2->ifname);
-}
-
-static void offset_list_del(struct rip_offset_list *offset)
-{
- if (OFFSET_LIST_IN_NAME(offset))
- free(OFFSET_LIST_IN_NAME(offset));
- if (OFFSET_LIST_OUT_NAME(offset))
- free(OFFSET_LIST_OUT_NAME(offset));
- if (offset->ifname)
- free(offset->ifname);
- rip_offset_list_free(offset);
+ return strcmp(o1->ifname, o2->ifname);
}
void rip_offset_init()
rip_offset_list_master = list_new();
rip_offset_list_master->cmp = (int (*)(void *, void *))offset_list_cmp;
rip_offset_list_master->del = (void (*)(void *))offset_list_del;
-
- install_element(RIP_NODE, &rip_offset_list_cmd);
- install_element(RIP_NODE, &rip_offset_list_ifname_cmd);
- install_element(RIP_NODE, &no_rip_offset_list_cmd);
- install_element(RIP_NODE, &no_rip_offset_list_ifname_cmd);
}
void rip_offset_clean()
rip_offset_list_master->cmp = (int (*)(void *, void *))offset_list_cmp;
rip_offset_list_master->del = (void (*)(void *))offset_list_del;
}
-
-int config_write_rip_offset_list(struct vty *vty)
-{
- struct listnode *node, *nnode;
- struct rip_offset_list *offset;
-
- for (ALL_LIST_ELEMENTS(rip_offset_list_master, node, nnode, offset)) {
- if (!offset->ifname) {
- if (offset->direct[RIP_OFFSET_LIST_IN].alist_name)
- vty_out(vty, " offset-list %s in %d\n",
- offset->direct[RIP_OFFSET_LIST_IN]
- .alist_name,
- offset->direct[RIP_OFFSET_LIST_IN]
- .metric);
- if (offset->direct[RIP_OFFSET_LIST_OUT].alist_name)
- vty_out(vty, " offset-list %s out %d\n",
- offset->direct[RIP_OFFSET_LIST_OUT]
- .alist_name,
- offset->direct[RIP_OFFSET_LIST_OUT]
- .metric);
- } else {
- if (offset->direct[RIP_OFFSET_LIST_IN].alist_name)
- vty_out(vty, " offset-list %s in %d %s\n",
- offset->direct[RIP_OFFSET_LIST_IN]
- .alist_name,
- offset->direct[RIP_OFFSET_LIST_IN]
- .metric,
- offset->ifname);
- if (offset->direct[RIP_OFFSET_LIST_OUT].alist_name)
- vty_out(vty, " offset-list %s out %d %s\n",
- offset->direct[RIP_OFFSET_LIST_OUT]
- .alist_name,
- offset->direct[RIP_OFFSET_LIST_OUT]
- .metric,
- offset->ifname);
- }
- }
-
- return 0;
-}
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