isisd: use ferr_* functions

Drop redundant checks & use ferr_* to print CLI error messages.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter 2016-03-31 17:18:14 +02:00
parent 3155489aa2
commit 64dd3ffe7e
3 changed files with 70 additions and 100 deletions

View File

@ -1190,13 +1190,13 @@ void isis_circuit_af_set(struct isis_circuit *circuit, bool ip_router,
lsp_regenerate_schedule(circuit->area, circuit->is_type, 0);
}
int isis_circuit_passive_set(struct isis_circuit *circuit, bool passive)
ferr_r isis_circuit_passive_set(struct isis_circuit *circuit, bool passive)
{
if (circuit->is_passive == passive)
return 0;
return ferr_ok();
if (if_is_loopback(circuit->interface) && !passive)
return -1;
return ferr_cfg_invalid("loopback is always passive");
if (circuit->state != C_STATE_UP) {
circuit->is_passive = passive;
@ -1207,30 +1207,33 @@ int isis_circuit_passive_set(struct isis_circuit *circuit, bool passive)
isis_csm_state_change(ISIS_ENABLE, circuit, area);
}
return 0;
return ferr_ok();
}
int isis_circuit_metric_set(struct isis_circuit *circuit, int level, int metric)
ferr_r isis_circuit_metric_set(struct isis_circuit *circuit, int level,
int metric)
{
assert(level == IS_LEVEL_1 || level == IS_LEVEL_2);
if (metric > MAX_WIDE_LINK_METRIC)
return -1;
return ferr_cfg_invalid("metric %d too large for wide metric",
metric);
if (circuit->area && circuit->area->oldmetric
&& metric > MAX_NARROW_LINK_METRIC)
return -1;
return ferr_cfg_invalid("metric %d too large for narrow metric",
metric);
circuit->te_metric[level - 1] = metric;
circuit->metric[level - 1] = metric;
if (circuit->area)
lsp_regenerate_schedule(circuit->area, level, 0);
return 0;
return ferr_ok();
}
int isis_circuit_passwd_unset(struct isis_circuit *circuit)
ferr_r isis_circuit_passwd_unset(struct isis_circuit *circuit)
{
memset(&circuit->passwd, 0, sizeof(circuit->passwd));
return 0;
return ferr_ok();
}
static int isis_circuit_passwd_set(struct isis_circuit *circuit,
@ -1239,50 +1242,50 @@ static int isis_circuit_passwd_set(struct isis_circuit *circuit,
int len;
if (!passwd)
return -1;
return ferr_code_bug("no circuit password given");
len = strlen(passwd);
if (len > 254)
return -1;
return ferr_code_bug(
"circuit password too long (max 254 chars)");
circuit->passwd.len = len;
strncpy((char *)circuit->passwd.passwd, passwd, 255);
circuit->passwd.type = passwd_type;
return 0;
return ferr_ok();
}
int isis_circuit_passwd_cleartext_set(struct isis_circuit *circuit,
const char *passwd)
ferr_r isis_circuit_passwd_cleartext_set(struct isis_circuit *circuit,
const char *passwd)
{
return isis_circuit_passwd_set(circuit, ISIS_PASSWD_TYPE_CLEARTXT,
passwd);
}
int isis_circuit_passwd_hmac_md5_set(struct isis_circuit *circuit,
const char *passwd)
ferr_r isis_circuit_passwd_hmac_md5_set(struct isis_circuit *circuit,
const char *passwd)
{
return isis_circuit_passwd_set(circuit, ISIS_PASSWD_TYPE_HMAC_MD5,
passwd);
}
struct cmd_node interface_node = {
INTERFACE_NODE, "%s(config-if)# ", 1,
};
int isis_circuit_circ_type_set(struct isis_circuit *circuit, int circ_type)
ferr_r isis_circuit_circ_type_set(struct isis_circuit *circuit, int circ_type)
{
if (circuit->circ_type == circ_type)
return ferr_ok();
/* Changing the network type to/of loopback or unknown interfaces
* is not supported. */
if (circ_type == CIRCUIT_T_UNKNOWN || circ_type == CIRCUIT_T_LOOPBACK
|| circuit->circ_type == CIRCUIT_T_LOOPBACK) {
if (circuit->circ_type != circ_type)
return -1;
else
return 0;
return ferr_cfg_invalid(
"cannot change network type on unknown interface");
}
if (circuit->circ_type == circ_type)
return 0;
if (circuit->state != C_STATE_UP) {
circuit->circ_type = circ_type;
circuit->circ_type_config = circ_type;
@ -1290,14 +1293,15 @@ int isis_circuit_circ_type_set(struct isis_circuit *circuit, int circ_type)
struct isis_area *area = circuit->area;
if (circ_type == CIRCUIT_T_BROADCAST
&& !if_is_broadcast(circuit->interface))
return -1;
return ferr_cfg_reality(
"cannot configure non-broadcast interface for broadcast operation");
isis_csm_state_change(ISIS_DISABLE, circuit, area);
circuit->circ_type = circ_type;
circuit->circ_type_config = circ_type;
isis_csm_state_change(ISIS_ENABLE, circuit, area);
}
return 0;
return ferr_ok();
}
int isis_circuit_mt_enabled_set(struct isis_circuit *circuit, uint16_t mtid,

View File

@ -27,6 +27,7 @@
#include "if.h"
#include "qobj.h"
#include "prefix.h"
#include "ferr.h"
#include "isis_constants.h"
#include "isis_common.h"
@ -178,18 +179,18 @@ struct isis_circuit *isis_circuit_create(struct isis_area *area,
struct interface *ifp);
void isis_circuit_af_set(struct isis_circuit *circuit, bool ip_router,
bool ipv6_router);
int isis_circuit_passive_set(struct isis_circuit *circuit, bool passive);
ferr_r isis_circuit_passive_set(struct isis_circuit *circuit, bool passive);
void isis_circuit_is_type_set(struct isis_circuit *circuit, int is_type);
int isis_circuit_circ_type_set(struct isis_circuit *circuit, int circ_type);
ferr_r isis_circuit_circ_type_set (struct isis_circuit *circuit, int circ_type);
int isis_circuit_metric_set(struct isis_circuit *circuit, int level,
int metric);
ferr_r isis_circuit_metric_set(struct isis_circuit *circuit, int level,
int metric);
int isis_circuit_passwd_unset(struct isis_circuit *circuit);
int isis_circuit_passwd_cleartext_set(struct isis_circuit *circuit,
const char *passwd);
int isis_circuit_passwd_hmac_md5_set(struct isis_circuit *circuit,
const char *passwd);
ferr_r isis_circuit_passwd_unset(struct isis_circuit *circuit);
ferr_r isis_circuit_passwd_cleartext_set(struct isis_circuit *circuit,
const char *passwd);
ferr_r isis_circuit_passwd_hmac_md5_set(struct isis_circuit *circuit,
const char *passwd);
int isis_circuit_mt_enabled_set(struct isis_circuit *circuit, uint16_t mtid,
bool enabled);

View File

@ -164,7 +164,8 @@ DEFUN (isis_passive,
if (!circuit)
return CMD_ERR_NO_MATCH;
isis_circuit_passive_set(circuit, 1);
CMD_FERR_RETURN(isis_circuit_passive_set(circuit, 1),
"Cannot set passive: $ERR");
return CMD_SUCCESS;
}
@ -179,12 +180,8 @@ DEFUN (no_isis_passive,
if (!circuit)
return CMD_ERR_NO_MATCH;
if (if_is_loopback(circuit->interface)) {
vty_out(vty, "Can't set no passive for loopback interface\n");
return CMD_WARNING_CONFIG_FAILED;
}
isis_circuit_passive_set(circuit, 0);
CMD_FERR_RETURN(isis_circuit_passive_set(circuit, 0),
"Cannot set no passive: $ERR");
return CMD_SUCCESS;
}
@ -301,7 +298,8 @@ DEFUN (isis_passwd,
int idx_encryption = 2;
int idx_word = 3;
struct isis_circuit *circuit = isis_circuit_lookup(vty);
int rv;
ferr_r rv;
if (!circuit)
return CMD_ERR_NO_MATCH;
@ -311,11 +309,8 @@ DEFUN (isis_passwd,
else
rv = isis_circuit_passwd_cleartext_set(circuit,
argv[idx_word]->arg);
if (rv) {
vty_out(vty, "Too long circuit password (>254)\n");
return CMD_WARNING_CONFIG_FAILED;
}
CMD_FERR_RETURN(rv, "Failed to set circuit password: $ERR");
return CMD_SUCCESS;
}
@ -333,8 +328,8 @@ DEFUN (no_isis_passwd,
if (!circuit)
return CMD_ERR_NO_MATCH;
isis_circuit_passwd_unset(circuit);
CMD_FERR_RETURN(isis_circuit_passwd_unset(circuit),
"Failed to unset circuit password: $ERR");
return CMD_SUCCESS;
}
@ -507,8 +502,10 @@ DEFUN (isis_metric,
return CMD_WARNING_CONFIG_FAILED;
}
isis_circuit_metric_set(circuit, IS_LEVEL_1, met);
isis_circuit_metric_set(circuit, IS_LEVEL_2, met);
CMD_FERR_RETURN(isis_circuit_metric_set(circuit, IS_LEVEL_1, met),
"Failed to set L1 metric: $ERR");
CMD_FERR_RETURN(isis_circuit_metric_set(circuit, IS_LEVEL_2, met),
"Failed to set L2 metric: $ERR");
return CMD_SUCCESS;
}
@ -525,8 +522,12 @@ DEFUN (no_isis_metric,
if (!circuit)
return CMD_ERR_NO_MATCH;
isis_circuit_metric_set(circuit, IS_LEVEL_1, DEFAULT_CIRCUIT_METRIC);
isis_circuit_metric_set(circuit, IS_LEVEL_2, DEFAULT_CIRCUIT_METRIC);
CMD_FERR_RETURN(isis_circuit_metric_set(circuit, IS_LEVEL_1,
DEFAULT_CIRCUIT_METRIC),
"Failed to set L1 metric: $ERR");
CMD_FERR_RETURN(isis_circuit_metric_set(circuit, IS_LEVEL_2,
DEFAULT_CIRCUIT_METRIC),
"Failed to set L2 metric: $ERR");
return CMD_SUCCESS;
}
@ -546,28 +547,8 @@ DEFUN (isis_metric_l1,
return CMD_ERR_NO_MATCH;
met = atoi(argv[idx_number]->arg);
/* RFC3787 section 5.1 */
if (circuit->area && circuit->area->oldmetric == 1
&& met > MAX_NARROW_LINK_METRIC) {
vty_out(vty,
"Invalid metric %d - should be <0-63> "
"when narrow metric type enabled\n",
met);
return CMD_WARNING_CONFIG_FAILED;
}
/* RFC4444 */
if (circuit->area && circuit->area->newmetric == 1
&& met > MAX_WIDE_LINK_METRIC) {
vty_out(vty,
"Invalid metric %d - should be <0-16777215> "
"when wide metric type enabled\n",
met);
return CMD_WARNING_CONFIG_FAILED;
}
isis_circuit_metric_set(circuit, IS_LEVEL_1, met);
CMD_FERR_RETURN(isis_circuit_metric_set(circuit, IS_LEVEL_1, met),
"Failed to set L1 metric: $ERR");
return CMD_SUCCESS;
}
@ -585,7 +566,9 @@ DEFUN (no_isis_metric_l1,
if (!circuit)
return CMD_ERR_NO_MATCH;
isis_circuit_metric_set(circuit, IS_LEVEL_1, DEFAULT_CIRCUIT_METRIC);
CMD_FERR_RETURN(isis_circuit_metric_set(circuit, IS_LEVEL_1,
DEFAULT_CIRCUIT_METRIC),
"Failed to set L1 metric: $ERR");
return CMD_SUCCESS;
}
@ -605,28 +588,8 @@ DEFUN (isis_metric_l2,
return CMD_ERR_NO_MATCH;
met = atoi(argv[idx_number]->arg);
/* RFC3787 section 5.1 */
if (circuit->area && circuit->area->oldmetric == 1
&& met > MAX_NARROW_LINK_METRIC) {
vty_out(vty,
"Invalid metric %d - should be <0-63> "
"when narrow metric type enabled\n",
met);
return CMD_WARNING_CONFIG_FAILED;
}
/* RFC4444 */
if (circuit->area && circuit->area->newmetric == 1
&& met > MAX_WIDE_LINK_METRIC) {
vty_out(vty,
"Invalid metric %d - should be <0-16777215> "
"when wide metric type enabled\n",
met);
return CMD_WARNING_CONFIG_FAILED;
}
isis_circuit_metric_set(circuit, IS_LEVEL_2, met);
CMD_FERR_RETURN(isis_circuit_metric_set(circuit, IS_LEVEL_2, met),
"Failed to set L2 metric: $ERR");
return CMD_SUCCESS;
}
@ -644,7 +607,9 @@ DEFUN (no_isis_metric_l2,
if (!circuit)
return CMD_ERR_NO_MATCH;
isis_circuit_metric_set(circuit, IS_LEVEL_2, DEFAULT_CIRCUIT_METRIC);
CMD_FERR_RETURN(isis_circuit_metric_set(circuit, IS_LEVEL_2,
DEFAULT_CIRCUIT_METRIC),
"Failed to set L2 metric: $ERR");
return CMD_SUCCESS;
}