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bgpd: Add "no listen" socket option for the BGP master configuration

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* bgpd.h: add a BGP_OPT_NO_LISTEN option for the master BGP configuration,
  to prevent any listen socket being created automatically. Allows code
  to be used outside of BGP daemon settings.
* bgpd.c: (bgp_get) honour above the flag, suppress auto-creation of listen
  socket on first BGP instance if set.
  (bgp_option_set) whitelist BGP_OPT_NO_LISTEN
This commit is contained in:
Paul Jakma 2012-06-14 10:40:26 +01:00
parent 2fb2a45526
commit cccbc01518
2 changed files with 4 additions and 1 deletions
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4
bgpd/bgpd.c
View File

@ -82,6 +82,7 @@ bgp_option_set (int flag)
case BGP_OPT_NO_FIB:
case BGP_OPT_MULTIPLE_INSTANCE:
case BGP_OPT_CONFIG_CISCO:
case BGP_OPT_NO_LISTEN:
SET_FLAG (bm->options, flag);
break;
default:
@ -2064,7 +2065,8 @@ bgp_get (struct bgp **bgp_val, as_t *as, const char *name)
*bgp_val = bgp;
/* Create BGP server socket, if first instance. */
if (list_isempty(bm->bgp))
if (list_isempty(bm->bgp)
&& !bgp_option_check (BGP_OPT_NO_LISTEN))
{
if (bgp_socket (bm->port, bm->address) < 0)
return BGP_ERR_INVALID_VALUE;

1
bgpd/bgpd.h
View File

@ -59,6 +59,7 @@ struct bgp_master
#define BGP_OPT_NO_FIB (1 << 0)
#define BGP_OPT_MULTIPLE_INSTANCE (1 << 1)
#define BGP_OPT_CONFIG_CISCO (1 << 2)
#define BGP_OPT_NO_LISTEN (1 << 3)
};
/* BGP instance structure. */