X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/eb3a6cd62dc3b83c68ad174d4c439f5bbaa902e1..31c32f3d3d951fe9e8bbfe1170dff77ba924bdcc:/bgp.c diff --git a/bgp.c b/bgp.c index 1f618c1..9f64d39 100644 --- a/bgp.c +++ b/bgp.c @@ -10,7 +10,7 @@ * nor RFC2385 (which requires a kernel patch on 2.4 kernels). */ -char const *cvs_id_bgp = "$Id: bgp.c,v 1.2 2004/06/28 02:43:13 fred_nerk Exp $"; +char const *cvs_id_bgp = "$Id: bgp.c,v 1.9 2004/12/16 08:49:52 bodea Exp $"; #include #include @@ -34,8 +34,7 @@ static struct bgp_route_list *bgp_insert_route(struct bgp_route_list *head, struct bgp_route_list *new); static void bgp_free_routes(struct bgp_route_list *routes); -static char const *bgp_state_str(enum bgp_state state); -static char const *bgp_msg_type_str(u8 type); +static char const *bgp_msg_type_str(uint8_t type); static int bgp_connect(struct bgp_peer *peer); static int bgp_handle_connect(struct bgp_peer *peer); static int bgp_write(struct bgp_peer *peer); @@ -44,9 +43,14 @@ static int bgp_handle_input(struct bgp_peer *peer); static int bgp_send_open(struct bgp_peer *peer); static int bgp_send_keepalive(struct bgp_peer *peer); static int bgp_send_update(struct bgp_peer *peer); -static int bgp_send_notification(struct bgp_peer *peer, u8 code, u8 subcode); +static int bgp_send_notification(struct bgp_peer *peer, uint8_t code, + uint8_t subcode); -static u16 our_as; +static uint16_t our_as; +static struct bgp_route_list *bgp_routes = 0; + +int bgp_configured = 0; +struct bgp_peer *bgp_peers = 0; /* prepare peer structure, globals */ int bgp_setup(int as) @@ -66,7 +70,7 @@ int bgp_setup(int as) if (!((peer->outbuf = malloc(sizeof(*peer->outbuf))) && (peer->inbuf = malloc(sizeof(*peer->inbuf))))) { - log(0, 0, 0, 0, "Can't allocate buffers for bgp peer (%s)\n", + LOG(0, 0, 0, "Can't allocate buffers for bgp peer (%s)\n", strerror(errno)); return 0; @@ -86,7 +90,8 @@ int bgp_setup(int as) } /* start connection with a peer */ -int bgp_start(struct bgp_peer *peer, char *name, int as, int enable) +int bgp_start(struct bgp_peer *peer, char *name, int as, int keepalive, + int hold, int enable) { struct hostent *h; int ibgp; @@ -95,8 +100,8 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable) char path_attrs[64]; char *p = path_attrs; in_addr_t ip; - u32 metric = htonl(BGP_METRIC); - u32 no_export = htonl(BGP_COMMUNITY_NO_EXPORT); + uint32_t metric = htonl(BGP_METRIC); + uint32_t no_export = htonl(BGP_COMMUNITY_NO_EXPORT); if (!our_as) return 0; @@ -108,7 +113,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable) if (!(h = gethostbyname(name)) || h->h_addrtype != AF_INET) { - log(0, 0, 0, 0, "Can't get address for BGP peer %s (%s)\n", + LOG(0, 0, 0, "Can't get address for BGP peer %s (%s)\n", name, h ? "no address" : hstrerror(h_errno)); return 0; @@ -118,6 +123,16 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable) peer->as = as > 0 ? as : our_as; ibgp = peer->as == our_as; + /* set initial timer values */ + peer->init_keepalive = keepalive == -1 ? BGP_KEEPALIVE_TIME : keepalive; + peer->init_hold = hold == -1 ? BGP_HOLD_TIME : hold; + + if (peer->init_hold < 3) + peer->init_hold = 3; + + if (peer->init_keepalive * 3 > peer->init_hold) + peer->init_keepalive = peer->init_hold / 3; + /* clear buffers, go to Idle state */ peer->next_state = Idle; bgp_clear(peer); @@ -157,9 +172,9 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable) { /* just our AS */ struct { - u8 type; - u8 len; - u16 value; + uint8_t type; + uint8_t len; + uint16_t value; } as_path = { BGP_PATH_ATTR_CODE_AS_PATH_AS_SEQUENCE, 1, @@ -191,7 +206,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable) if (ibgp) { - u32 local_pref = htonl(BGP_LOCAL_PREF); + uint32_t local_pref = htonl(BGP_LOCAL_PREF); /* LOCAL_PREF */ a.flags = BGP_PATH_ATTR_FLAG_TRANS; @@ -212,7 +227,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable) if (!(peer->path_attrs = malloc(peer->path_attr_len))) { - log(0, 0, 0, 0, "Can't allocate path_attrs for %s (%s)\n", + LOG(0, 0, 0, "Can't allocate path_attrs for %s (%s)\n", name, strerror(errno)); return 0; @@ -220,7 +235,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable) memcpy(peer->path_attrs, path_attrs, peer->path_attr_len); - log(4, 0, 0, 0, "Initiating BGP connection to %s (routing %s)\n", + LOG(4, 0, 0, "Initiating BGP connection to %s (routing %s)\n", name, enable ? "enabled" : "suspended"); /* we have at least one peer configured */ @@ -241,9 +256,11 @@ static void bgp_clear(struct bgp_peer *peer) } peer->keepalive_time = 0; - peer->hold = 0; peer->expire_time = 0; + peer->keepalive = peer->init_keepalive; + peer->hold = peer->init_hold; + bgp_free_routes(peer->routes); peer->routes = 0; @@ -259,7 +276,7 @@ static void bgp_clear(struct bgp_peer *peer) peer->state = peer->next_state; peer->state_time = time_now; - log(4, 0, 0, 0, "BGP peer %s: state %s\n", peer->name, + LOG(4, 0, 0, "BGP peer %s: state %s\n", peer->name, bgp_state_str(peer->next_state)); } } @@ -267,14 +284,14 @@ static void bgp_clear(struct bgp_peer *peer) /* initiate a clean shutdown */ void bgp_stop(struct bgp_peer *peer) { - log(4, 0, 0, 0, "Terminating BGP connection to %s\n", peer->name); + LOG(4, 0, 0, "Terminating BGP connection to %s\n", peer->name); bgp_send_notification(peer, BGP_ERR_CEASE, 0); } /* drop connection (if any) and set state to Disabled */ void bgp_halt(struct bgp_peer *peer) { - log(4, 0, 0, 0, "Aborting BGP connection to %s\n", peer->name); + LOG(4, 0, 0, "Aborting BGP connection to %s\n", peer->name); peer->next_state = Disabled; bgp_clear(peer); } @@ -309,7 +326,7 @@ static void bgp_set_retry(struct bgp_peer *peer) static void bgp_cidr(in_addr_t ip, in_addr_t mask, struct bgp_ip_prefix *pfx) { int i; - u32 b; + uint32_t b; /* convert to prefix notation */ pfx->len = 32; @@ -384,8 +401,8 @@ int bgp_add_route(in_addr_t ip, in_addr_t mask) /* insert into route list; sorted */ if (!(r = malloc(sizeof(*r)))) { - log(0, 0, 0, 0, "Can't allocate route for %s/%d (%s)\n", - inet_toa(add.dest.prefix), add.dest.len, strerror(errno)); + LOG(0, 0, 0, "Can't allocate route for %s/%d (%s)\n", + fmtaddr(add.dest.prefix, 0), add.dest.len, strerror(errno)); return 0; } @@ -398,8 +415,8 @@ int bgp_add_route(in_addr_t ip, in_addr_t mask) if (bgp_peers[i].state == Established) bgp_peers[i].update_routes = 1; - log(4, 0, 0, 0, "Registered BGP route %s/%d\n", inet_toa(add.dest.prefix), - add.dest.len); + LOG(4, 0, 0, "Registered BGP route %s/%d\n", + fmtaddr(add.dest.prefix, 0), add.dest.len); return 1; } @@ -447,8 +464,8 @@ int bgp_del_route(in_addr_t ip, in_addr_t mask) if (bgp_peers[i].state == Established) bgp_peers[i].update_routes = 1; - log(4, 0, 0, 0, "Removed BGP route %s/%d\n", inet_toa(del.dest.prefix), - del.dest.len); + LOG(4, 0, 0, "Removed BGP route %s/%d\n", + fmtaddr(del.dest.prefix, 0), del.dest.len); return 1; } @@ -467,7 +484,7 @@ void bgp_enable_routing(int enable) bgp_peers[i].update_routes = 1; } - log(4, 0, 0, 0, "%s BGP routing\n", enable ? "Enabled" : "Suspended"); + LOG(4, 0, 0, "%s BGP routing\n", enable ? "Enabled" : "Suspended"); } /* return a bitmask indicating if the socket should be added to the @@ -573,7 +590,7 @@ int bgp_process(struct bgp_peer *peer, int readable, int writable) { if (time_now > peer->expire_time) { - log(1, 0, 0, 0, "No message from BGP peer %s in %ds\n", + LOG(1, 0, 0, "No message from BGP peer %s in %ds\n", peer->name, peer->hold); bgp_send_notification(peer, BGP_ERR_HOLD_TIMER_EXP, 0); @@ -588,9 +605,9 @@ int bgp_process(struct bgp_peer *peer, int readable, int writable) if (time_now > peer->retry_time) return bgp_connect(peer); } - else if (time_now > peer->state_time + BGP_KEEPALIVE_TIME) + else if (time_now > peer->state_time + BGP_STATE_TIME) { - log(1, 0, 0, 0, "%s timer expired for BGP peer %s\n", + LOG(1, 0, 0, "%s timer expired for BGP peer %s\n", bgp_state_str(peer->state), peer->name); return bgp_restart(peer); @@ -610,7 +627,7 @@ static void bgp_free_routes(struct bgp_route_list *routes) } } -static char const *bgp_state_str(enum bgp_state state) +char const *bgp_state_str(enum bgp_state state) { switch (state) { @@ -626,7 +643,7 @@ static char const *bgp_state_str(enum bgp_state state) return "?"; } -static char const *bgp_msg_type_str(u8 type) +static char const *bgp_msg_type_str(uint8_t type) { switch (type) { @@ -650,7 +667,7 @@ static int bgp_connect(struct bgp_peer *peer) struct servent *serv; if (!(serv = getservbyname("bgp", "tcp"))) { - log(0, 0, 0, 0, "Can't get bgp service (%s)\n", strerror(errno)); + LOG(0, 0, 0, "Can't get bgp service (%s)\n", strerror(errno)); return 0; } @@ -659,7 +676,7 @@ static int bgp_connect(struct bgp_peer *peer) if ((peer->sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) { - log(0, 0, 0, 0, "Can't create a socket for BGP peer %s (%s)\n", + LOG(0, 0, 0, "Can't create a socket for BGP peer %s (%s)\n", peer->name, strerror(errno)); peer->state = peer->next_state = Disabled; @@ -682,7 +699,7 @@ static int bgp_connect(struct bgp_peer *peer) if (errno != EINPROGRESS) { - log(1, 0, 0, 0, "Can't connect to BGP peer %s (%s)\n", + LOG(1, 0, 0, "Can't connect to BGP peer %s (%s)\n", inet_ntoa(addr.sin_addr), strerror(errno)); bgp_set_retry(peer); @@ -692,7 +709,7 @@ static int bgp_connect(struct bgp_peer *peer) peer->state = Connect; peer->state_time = time_now; - log(4, 0, 0, 0, "BGP peer %s: state Connect\n", peer->name); + LOG(4, 0, 0, "BGP peer %s: state Connect\n", peer->name); return 1; } @@ -700,7 +717,7 @@ static int bgp_connect(struct bgp_peer *peer) peer->state_time = time_now; peer->retry_time = peer->retry_count = 0; - log(4, 0, 0, 0, "BGP peer %s: state Active\n", inet_ntoa(addr.sin_addr)); + LOG(4, 0, 0, "BGP peer %s: state Active\n", inet_ntoa(addr.sin_addr)); return bgp_send_open(peer); } @@ -713,7 +730,7 @@ static int bgp_handle_connect(struct bgp_peer *peer) getsockopt(peer->sock, SOL_SOCKET, SO_ERROR, &err, &len); if (err) { - log(1, 0, 0, 0, "Can't connect to BGP peer %s (%s)\n", peer->name, + LOG(1, 0, 0, "Can't connect to BGP peer %s (%s)\n", peer->name, strerror(err)); bgp_set_retry(peer); @@ -723,7 +740,7 @@ static int bgp_handle_connect(struct bgp_peer *peer) peer->state = Active; peer->state_time = time_now; - log(4, 0, 0, 0, "BGP peer %s: state Active\n", peer->name); + LOG(4, 0, 0, "BGP peer %s: state Active\n", peer->name); return bgp_send_open(peer); } @@ -744,9 +761,9 @@ static int bgp_write(struct bgp_peer *peer) return 1; if (errno == EPIPE) - log(1, 0, 0, 0, "Connection to BGP peer %s closed\n", peer->name); + LOG(1, 0, 0, "Connection to BGP peer %s closed\n", peer->name); else - log(1, 0, 0, 0, "Can't write to BGP peer %s (%s)\n", peer->name, + LOG(1, 0, 0, "Can't write to BGP peer %s (%s)\n", peer->name, strerror(errno)); bgp_set_retry(peer); @@ -759,14 +776,14 @@ static int bgp_write(struct bgp_peer *peer) return 1; } - log(4, 0, 0, 0, "Sent %s to BGP peer %s\n", + LOG(4, 0, 0, "Sent %s to BGP peer %s\n", bgp_msg_type_str(peer->outbuf->packet.header.type), peer->name); peer->outbuf->packet.header.len = 0; peer->outbuf->done = 0; if (peer->state == Established) - peer->keepalive_time = time_now + BGP_KEEPALIVE_TIME; + peer->keepalive_time = time_now + peer->keepalive; if (peer->state != peer->next_state) { @@ -779,7 +796,7 @@ static int bgp_write(struct bgp_peer *peer) peer->state = peer->next_state; peer->state_time = time_now; - log(4, 0, 0, 0, "BGP peer %s: state %s\n", peer->name, + LOG(4, 0, 0, "BGP peer %s: state %s\n", peer->name, bgp_state_str(peer->state)); } @@ -796,7 +813,7 @@ static int bgp_read(struct bgp_peer *peer) { if (!r) { - log(1, 0, 0, 0, "Connection to BGP peer %s closed\n", peer->name); + LOG(1, 0, 0, "Connection to BGP peer %s closed\n", peer->name); } else { @@ -806,7 +823,7 @@ static int bgp_read(struct bgp_peer *peer) if (errno == EAGAIN) return 1; - log(1, 0, 0, 0, "Can't read from BGP peer %s (%s)\n", peer->name, + LOG(1, 0, 0, "Can't read from BGP peer %s (%s)\n", peer->name, strerror(errno)); } @@ -826,7 +843,7 @@ static int bgp_handle_input(struct bgp_peer *peer) if (len > BGP_MAX_PACKET_SIZE) { - log(1, 0, 0, 0, "Bad header length from BGP %s\n", peer->name); + LOG(1, 0, 0, "Bad header length from BGP %s\n", peer->name); bgp_send_notification(peer, BGP_ERR_HEADER, BGP_ERR_HDR_BAD_LEN); return 0; } @@ -834,7 +851,7 @@ static int bgp_handle_input(struct bgp_peer *peer) if (peer->inbuf->done < len) return 0; - log(4, 0, 0, 0, "Received %s from BGP peer %s\n", + LOG(4, 0, 0, "Received %s from BGP peer %s\n", bgp_msg_type_str(p->header.type), peer->name); switch (p->header.type) @@ -842,13 +859,14 @@ static int bgp_handle_input(struct bgp_peer *peer) case BGP_MSG_OPEN: { struct bgp_data_open data; + int hold; int i; for (i = 0; i < sizeof(p->header.marker); i++) { if ((unsigned char) p->header.marker[i] != 0xff) { - log(1, 0, 0, 0, "Invalid marker from BGP peer %s\n", + LOG(1, 0, 0, "Invalid marker from BGP peer %s\n", peer->name); bgp_send_notification(peer, BGP_ERR_HEADER, @@ -860,7 +878,7 @@ static int bgp_handle_input(struct bgp_peer *peer) if (peer->state != OpenSent) { - log(1, 0, 0, 0, "OPEN from BGP peer %s in %s state\n", + LOG(1, 0, 0, "OPEN from BGP peer %s in %s state\n", peer->name, bgp_state_str(peer->state)); bgp_send_notification(peer, BGP_ERR_FSM, 0); @@ -871,7 +889,7 @@ static int bgp_handle_input(struct bgp_peer *peer) if (data.version != BGP_VERSION) { - log(1, 0, 0, 0, "Bad version (%d) sent by BGP peer %s\n", + LOG(1, 0, 0, "Bad version (%d) sent by BGP peer %s\n", (int) data.version, peer->name); bgp_send_notification(peer, BGP_ERR_OPEN, BGP_ERR_OPN_VERSION); @@ -880,7 +898,7 @@ static int bgp_handle_input(struct bgp_peer *peer) if (ntohs(data.as) != peer->as) { - log(1, 0, 0, 0, "Bad AS sent by BGP peer %s (got %d, " + LOG(1, 0, 0, "Bad AS sent by BGP peer %s (got %d, " "expected %d)\n", peer->name, (int) htons(data.as), (int) peer->as); @@ -888,15 +906,23 @@ static int bgp_handle_input(struct bgp_peer *peer) return 0; } - if ((peer->hold = ntohs(data.hold_time)) < 10) + if ((hold = ntohs(data.hold_time)) < 3) { - log(1, 0, 0, 0, "Bad hold time (%d) from BGP peer %s\n", - peer->hold, peer->name); + LOG(1, 0, 0, "Bad hold time (%d) from BGP peer %s\n", + hold, peer->name); bgp_send_notification(peer, BGP_ERR_OPEN, BGP_ERR_OPN_HOLD_TIME); return 0; } + /* pick lowest hold time */ + if (hold < peer->hold) + peer->hold = hold; + + /* adjust our keepalive based on negotiated hold value */ + if (peer->keepalive * 3 > peer->hold) + peer->keepalive = peer->hold / 3; + /* next transition requires an exchange of keepalives */ bgp_send_keepalive(peer); @@ -910,12 +936,12 @@ static int bgp_handle_input(struct bgp_peer *peer) { peer->state = peer->next_state = Established; peer->state_time = time_now; - peer->keepalive_time = time_now + BGP_KEEPALIVE_TIME; + peer->keepalive_time = time_now + peer->keepalive; peer->update_routes = 1; peer->retry_count = 0; peer->retry_time = 0; - log(4, 0, 0, 0, "BGP peer %s: state Established\n", peer->name); + LOG(4, 0, 0, "BGP peer %s: state Established\n", peer->name); } break; @@ -928,13 +954,13 @@ static int bgp_handle_input(struct bgp_peer *peer) if (notification->error_code == BGP_ERR_CEASE) { - log(4, 0, 0, 0, "BGP peer %s sent CEASE\n", peer->name); + LOG(4, 0, 0, "BGP peer %s sent CEASE\n", peer->name); bgp_halt(peer); return 0; } /* FIXME: should handle more notifications */ - log(4, 0, 0, 0, "BGP peer %s sent unhandled NOTIFICATION %d\n", + LOG(4, 0, 0, "BGP peer %s sent unhandled NOTIFICATION %d\n", peer->name, (int) notification->error_code); } @@ -963,7 +989,7 @@ static int bgp_handle_input(struct bgp_peer *peer) static int bgp_send_open(struct bgp_peer *peer) { struct bgp_data_open data; - u16 len = sizeof(peer->outbuf->packet.header); + uint16_t len = sizeof(peer->outbuf->packet.header); memset(peer->outbuf->packet.header.marker, 0xff, sizeof(peer->outbuf->packet.header.marker)); @@ -972,7 +998,7 @@ static int bgp_send_open(struct bgp_peer *peer) data.version = BGP_VERSION; data.as = htons(our_as); - data.hold_time = htons(BGP_HOLD_TIME); + data.hold_time = htons(peer->hold); data.identifier = my_address; data.opt_len = 0; @@ -1005,9 +1031,9 @@ static int bgp_send_keepalive(struct bgp_peer *peer) /* send/buffer UPDATE message */ static int bgp_send_update(struct bgp_peer *peer) { - u16 unf_len = 0; - u16 attr_len; - u16 len = sizeof(peer->outbuf->packet.header); + uint16_t unf_len = 0; + uint16_t attr_len; + uint16_t len = sizeof(peer->outbuf->packet.header); struct bgp_route_list *have = peer->routes; struct bgp_route_list *want = peer->routing ? bgp_routes : 0; struct bgp_route_list *e = 0; @@ -1053,8 +1079,8 @@ static int bgp_send_update(struct bgp_peer *peer) unf_len += s; len += s; - log(5, 0, 0, 0, "Withdrawing route %s/%d from BGP peer %s\n", - inet_toa(tmp->dest.prefix), tmp->dest.len, peer->name); + LOG(5, 0, 0, "Withdrawing route %s/%d from BGP peer %s\n", + fmtaddr(tmp->dest.prefix, 0), tmp->dest.len, peer->name); free(tmp); @@ -1103,8 +1129,8 @@ static int bgp_send_update(struct bgp_peer *peer) { if (!(e = malloc(sizeof(*e)))) { - log(0, 0, 0, 0, "Can't allocate route for %s/%d (%s)\n", - inet_toa(add->dest.prefix), add->dest.len, strerror(errno)); + LOG(0, 0, 0, "Can't allocate route for %s/%d (%s)\n", + fmtaddr(add->dest.prefix, 0), add->dest.len, strerror(errno)); return 0; } @@ -1127,8 +1153,8 @@ static int bgp_send_update(struct bgp_peer *peer) data += s; len += s; - log(5, 0, 0, 0, "Advertising route %s/%d to BGP peer %s\n", - inet_toa(add->dest.prefix), add->dest.len, peer->name); + LOG(5, 0, 0, "Advertising route %s/%d to BGP peer %s\n", + fmtaddr(add->dest.prefix, 0), add->dest.len, peer->name); } else { @@ -1145,10 +1171,11 @@ static int bgp_send_update(struct bgp_peer *peer) } /* send/buffer NOTIFICATION message */ -static int bgp_send_notification(struct bgp_peer *peer, u8 code, u8 subcode) +static int bgp_send_notification(struct bgp_peer *peer, uint8_t code, + uint8_t subcode) { struct bgp_data_notification data; - u16 len = 0; + uint16_t len = 0; data.error_code = code; len += sizeof(data.error_code); @@ -1174,159 +1201,3 @@ static int bgp_send_notification(struct bgp_peer *peer, u8 code, u8 subcode) return bgp_write(peer); } - -/* CLI stuff */ - -#include - -int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc) -{ - int i; - int hdr = 0; - char *addr; - - if (!bgp_configured) - return CLI_OK; - - if (CLI_HELP_REQUESTED) - return cli_arg_help(cli, 1, - "A.B.C.D", "BGP peer address", - "NAME", "BGP peer name", - NULL); - - cli_print(cli, "BGPv%d router identifier %s, local AS number %d, " - "hold time %ds", BGP_VERSION, inet_toa(my_address), (int) our_as, - BGP_HOLD_TIME); - - time(&time_now); - - for (i = 0; i < BGP_NUM_PEERS; i++) - { - if (!*bgp_peers[i].name) - continue; - - addr = inet_toa(bgp_peers[i].addr); - if (argc && strcmp(addr, argv[0]) && - strncmp(bgp_peers[i].name, argv[0], strlen(argv[0]))) - continue; - - if (!hdr++) - { - cli_print(cli, ""); - cli_print(cli, "Peer AS Address " - "State Retries Retry in Route Pend"); - cli_print(cli, "------------------ ----- --------------- " - "----------- ------- -------- ----- ----"); - } - - cli_print(cli, "%-18.18s %5d %15s %-11s %7d %7ds %5s %4s", - bgp_peers[i].name, - bgp_peers[i].as, - addr, - bgp_state_str(bgp_peers[i].state), - bgp_peers[i].retry_count, - bgp_peers[i].retry_time ? bgp_peers[i].retry_time - time_now : 0, - bgp_peers[i].routing ? "yes" : "no", - bgp_peers[i].update_routes ? "yes" : "no"); - } - - return CLI_OK; -} - -int cmd_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc) -{ - int i; - char *addr; - - if (!bgp_configured) - return CLI_OK; - - if (CLI_HELP_REQUESTED) - return cli_arg_help(cli, 1, - "A.B.C.D", "BGP peer address", - "NAME", "BGP peer name", - NULL); - - for (i = 0; i < BGP_NUM_PEERS; i++) - { - if (bgp_peers[i].state != Established) - continue; - - if (!bgp_peers[i].routing) - continue; - - addr = inet_toa(bgp_peers[i].addr); - if (argc && strcmp(addr, argv[0]) && strcmp(bgp_peers[i].name, argv[0])) - continue; - - bgp_peers[i].cli_flag = BGP_CLI_SUSPEND; - cli_print(cli, "Suspending peer %s", bgp_peers[i].name); - } - - return CLI_OK; -} - -int cmd_no_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc) -{ - int i; - char *addr; - - if (!bgp_configured) - return CLI_OK; - - if (CLI_HELP_REQUESTED) - return cli_arg_help(cli, 1, - "A.B.C.D", "BGP peer address", - "NAME", "BGP peer name", - NULL); - - for (i = 0; i < BGP_NUM_PEERS; i++) - { - if (bgp_peers[i].state != Established) - continue; - - if (bgp_peers[i].routing) - continue; - - addr = inet_toa(bgp_peers[i].addr); - if (argc && strcmp(addr, argv[0]) && - strncmp(bgp_peers[i].name, argv[0], strlen(argv[0]))) - continue; - - bgp_peers[i].cli_flag = BGP_CLI_ENABLE; - cli_print(cli, "Un-suspending peer %s", bgp_peers[i].name); - } - - return CLI_OK; -} - -int cmd_restart_bgp(struct cli_def *cli, char *command, char **argv, int argc) -{ - int i; - char *addr; - - if (!bgp_configured) - return CLI_OK; - - if (CLI_HELP_REQUESTED) - return cli_arg_help(cli, 1, - "A.B.C.D", "BGP peer address", - "NAME", "BGP peer name", - NULL); - - for (i = 0; i < BGP_NUM_PEERS; i++) - { - if (!*bgp_peers[i].name) - continue; - - addr = inet_toa(bgp_peers[i].addr); - if (argc && strcmp(addr, argv[0]) && - strncmp(bgp_peers[i].name, argv[0], strlen(argv[0]))) - continue; - - bgp_peers[i].cli_flag = BGP_CLI_RESTART; - cli_print(cli, "Restarting peer %s", bgp_peers[i].name); - } - - return CLI_OK; -}