diff options
Diffstat (limited to 'isisd/isis_events.c')
-rw-r--r-- | isisd/isis_events.c | 292 |
1 files changed, 153 insertions, 139 deletions
diff --git a/isisd/isis_events.c b/isisd/isis_events.c index be136e26..a99869b9 100644 --- a/isisd/isis_events.c +++ b/isisd/isis_events.c @@ -64,19 +64,19 @@ extern struct isis *isis; 4w5d: ISIS-Spf (tlt): L2 SPF needed, periodic SPF, from 0x6091C844 */ -void +void isis_event_circuit_state_change (struct isis_circuit *circuit, int up) { struct isis_area *area; - + area = circuit->area; assert (area); area->circuit_state_changes++; - - if (isis->debugs & DEBUG_EVENTS) - zlog_info ("ISIS-Evt (%s) circuit %s", circuit->area->area_tag, + + if (isis->debugs & DEBUG_EVENTS) + zlog_info ("ISIS-Evt (%s) circuit %s", circuit->area->area_tag, up ? "up" : "down"); - + /* * Regenerate LSPs this affects */ @@ -85,47 +85,51 @@ isis_event_circuit_state_change (struct isis_circuit *circuit, int up) return; } -void +void isis_event_system_type_change (struct isis_area *area, int newtype) { struct listnode *node; struct isis_circuit *circuit; - if (isis->debugs & DEBUG_EVENTS) - zlog_info ("ISIS-Evt (%s) system type change %s -> %s", area->area_tag, + if (isis->debugs & DEBUG_EVENTS) + zlog_info ("ISIS-Evt (%s) system type change %s -> %s", area->area_tag, circuit_t2string (area->is_type), circuit_t2string (newtype)); - + if (area->is_type == newtype) - return; /* No change */ - - switch (area->is_type) { - case IS_LEVEL_1: - if (area->lspdb[1] == NULL) - area->lspdb[1] = lsp_db_init (); - lsp_l2_generate (area); - break; - case IS_LEVEL_1_AND_2: - if (newtype == IS_LEVEL_1) { - lsp_db_destroy (area->lspdb[1]); - } - else { - lsp_db_destroy (area->lspdb[0]); - } - break; - case IS_LEVEL_2: - if (area->lspdb[0] == NULL) - area->lspdb[0] = lsp_db_init (); - lsp_l1_generate (area); - break; - default: - break; - } - + return; /* No change */ + + switch (area->is_type) + { + case IS_LEVEL_1: + if (area->lspdb[1] == NULL) + area->lspdb[1] = lsp_db_init (); + lsp_l2_generate (area); + break; + case IS_LEVEL_1_AND_2: + if (newtype == IS_LEVEL_1) + { + lsp_db_destroy (area->lspdb[1]); + } + else + { + lsp_db_destroy (area->lspdb[0]); + } + break; + case IS_LEVEL_2: + if (area->lspdb[0] == NULL) + area->lspdb[0] = lsp_db_init (); + lsp_l1_generate (area); + break; + default: + break; + } + area->is_type = newtype; - for (node = listhead (area->circuit_list); node; nextnode (node)) { - circuit = getdata (node); - isis_event_circuit_type_change (circuit, newtype); - } + for (node = listhead (area->circuit_list); node; nextnode (node)) + { + circuit = getdata (node); + isis_event_circuit_type_change (circuit, newtype); + } spftree_area_init (area); lsp_regenerate_schedule (area); @@ -133,9 +137,7 @@ isis_event_system_type_change (struct isis_area *area, int newtype) return; } - - -void +void isis_event_area_addr_change (struct isis_area *area) { @@ -146,40 +148,49 @@ circuit_commence_level (struct isis_circuit *circuit, int level) { uint32_t interval; - if (level == 1) { - THREAD_TIMER_ON(master, circuit->t_send_psnp[0], send_l1_psnp, circuit, - isis_jitter(circuit->psnp_interval[0], PSNP_JITTER)); - - if (circuit->circ_type == CIRCUIT_T_BROADCAST) { - interval = circuit->hello_multiplier[0] * (circuit->hello_interval[0]); - - THREAD_TIMER_ON(master, circuit->u.bc.t_run_dr[0], isis_run_dr_l1, - circuit, interval); - - THREAD_TIMER_ON(master, circuit->u.bc.t_send_lan_hello[0], - send_lan_l1_hello, circuit, - isis_jitter(circuit->hello_interval[0], IIH_JITTER)); - - circuit->u.bc.lan_neighs[0] = list_new (); + if (level == 1) + { + THREAD_TIMER_ON (master, circuit->t_send_psnp[0], send_l1_psnp, circuit, + isis_jitter (circuit->psnp_interval[0], PSNP_JITTER)); + + if (circuit->circ_type == CIRCUIT_T_BROADCAST) + { + interval = + circuit->hello_multiplier[0] * (circuit->hello_interval[0]); + + THREAD_TIMER_ON (master, circuit->u.bc.t_run_dr[0], isis_run_dr_l1, + circuit, interval); + + THREAD_TIMER_ON (master, circuit->u.bc.t_send_lan_hello[0], + send_lan_l1_hello, circuit, + isis_jitter (circuit->hello_interval[0], + IIH_JITTER)); + + circuit->u.bc.lan_neighs[0] = list_new (); + } } - } else { - THREAD_TIMER_ON(master, circuit->t_send_psnp[1], send_l2_psnp, circuit, - isis_jitter(circuit->psnp_interval[1], PSNP_JITTER)); - - if (circuit->circ_type == CIRCUIT_T_BROADCAST) { - interval = circuit->hello_multiplier[1] * (circuit->hello_interval[1]); - - THREAD_TIMER_ON(master, circuit->u.bc.t_run_dr[1], isis_run_dr_l2, - circuit, interval); - - THREAD_TIMER_ON(master, circuit->u.bc.t_send_lan_hello[1], - send_lan_l2_hello, circuit, - isis_jitter(circuit->hello_interval[1], IIH_JITTER)); - - circuit->u.bc.lan_neighs[1] = list_new (); + else + { + THREAD_TIMER_ON (master, circuit->t_send_psnp[1], send_l2_psnp, circuit, + isis_jitter (circuit->psnp_interval[1], PSNP_JITTER)); + + if (circuit->circ_type == CIRCUIT_T_BROADCAST) + { + interval = + circuit->hello_multiplier[1] * (circuit->hello_interval[1]); + + THREAD_TIMER_ON (master, circuit->u.bc.t_run_dr[1], isis_run_dr_l2, + circuit, interval); + + THREAD_TIMER_ON (master, circuit->u.bc.t_send_lan_hello[1], + send_lan_l2_hello, circuit, + isis_jitter (circuit->hello_interval[1], + IIH_JITTER)); + + circuit->u.bc.lan_neighs[1] = list_new (); + } } - } - + return; } @@ -187,61 +198,64 @@ void circuit_resign_level (struct isis_circuit *circuit, int level) { int idx = level - 1; - - THREAD_TIMER_OFF(circuit->t_send_csnp[idx]); - THREAD_TIMER_OFF(circuit->t_send_psnp[idx]); - - if (circuit->circ_type == CIRCUIT_T_BROADCAST) { - THREAD_TIMER_OFF(circuit->u.bc.t_send_lan_hello[idx]); - THREAD_TIMER_OFF(circuit->u.bc.t_run_dr[idx]); - circuit->u.bc.run_dr_elect[idx] = 0; - } - + + THREAD_TIMER_OFF (circuit->t_send_csnp[idx]); + THREAD_TIMER_OFF (circuit->t_send_psnp[idx]); + + if (circuit->circ_type == CIRCUIT_T_BROADCAST) + { + THREAD_TIMER_OFF (circuit->u.bc.t_send_lan_hello[idx]); + THREAD_TIMER_OFF (circuit->u.bc.t_run_dr[idx]); + circuit->u.bc.run_dr_elect[idx] = 0; + } + return; } -void -isis_event_circuit_type_change (struct isis_circuit *circuit, int newtype) +void +isis_event_circuit_type_change (struct isis_circuit *circuit, int newtype) { - - if (isis->debugs & DEBUG_EVENTS) - zlog_info ("ISIS-Evt (%s) circuit type change %s -> %s", - circuit->area->area_tag, - circuit_t2string (circuit->circuit_is_type), + + if (isis->debugs & DEBUG_EVENTS) + zlog_info ("ISIS-Evt (%s) circuit type change %s -> %s", + circuit->area->area_tag, + circuit_t2string (circuit->circuit_is_type), circuit_t2string (newtype)); if (circuit->circuit_is_type == newtype) - return; /* No change */ + return; /* No change */ + + if (!(newtype & circuit->area->is_type)) + { + zlog_err ("ISIS-Evt (%s) circuit type change - invalid level %s because" + " area is %s", circuit->area->area_tag, + circuit_t2string (newtype), + circuit_t2string (circuit->area->is_type)); + return; + } + + switch (circuit->circuit_is_type) + { + case IS_LEVEL_1: + if (newtype == IS_LEVEL_2) + circuit_resign_level (circuit, 1); + circuit_commence_level (circuit, 2); + break; + case IS_LEVEL_1_AND_2: + if (newtype == IS_LEVEL_1) + circuit_resign_level (circuit, 2); + else + circuit_resign_level (circuit, 1); + break; + case IS_LEVEL_2: + if (newtype == IS_LEVEL_1) + circuit_resign_level (circuit, 2); + circuit_commence_level (circuit, 1); + break; + default: + break; + } - if (!(newtype & circuit->area->is_type)) { - zlog_err ("ISIS-Evt (%s) circuit type change - invalid level %s because" - " area is %s", circuit->area->area_tag, - circuit_t2string (newtype), - circuit_t2string (circuit->area->is_type)); - return; - } - - switch (circuit->circuit_is_type) { - case IS_LEVEL_1: - if (newtype == IS_LEVEL_2) - circuit_resign_level (circuit, 1); - circuit_commence_level (circuit, 2); - break; - case IS_LEVEL_1_AND_2: - if (newtype == IS_LEVEL_1) - circuit_resign_level (circuit, 2); - else - circuit_resign_level (circuit, 1); - break; - case IS_LEVEL_2: - if (newtype == IS_LEVEL_1) - circuit_resign_level (circuit, 2); - circuit_commence_level (circuit, 1); - break; - default: - break; - } - circuit->circuit_is_type = newtype; lsp_regenerate_schedule (circuit->area); @@ -270,18 +284,19 @@ isis_event_circuit_type_change (struct isis_circuit *circuit, int newtype) * * ***********************************************************************/ -void +void isis_event_adjacency_state_change (struct isis_adjacency *adj, int newstate) { /* adjacency state change event. * - the only proto-type was supported */ - - /* invalid arguments */ - if ( !adj || !adj->circuit || !adj->circuit->area ) return; - - zlog_info ("ISIS-Evt (%s) Adjacency State change", - adj->circuit->area->area_tag ); - + + /* invalid arguments */ + if (!adj || !adj->circuit || !adj->circuit->area) + return; + + zlog_info ("ISIS-Evt (%s) Adjacency State change", + adj->circuit->area->area_tag); + /* LSP generation again */ lsp_regenerate_schedule (adj->circuit->area); @@ -294,27 +309,26 @@ int isis_event_dis_status_change (struct thread *thread) { struct isis_circuit *circuit; - + circuit = THREAD_ARG (thread); - + /* invalid arguments */ - if (!circuit || !circuit->area) return 0; - + if (!circuit || !circuit->area) + return 0; + zlog_info ("ISIS-Evt (%s) DIS status change", circuit->area->area_tag); /* LSP generation again */ lsp_regenerate_schedule (circuit->area); - + return 0; } - -void -isis_event_auth_failure (char *area_tag, char *error_string, char *sysid) +void +isis_event_auth_failure (char *area_tag, char *error_string, char *sysid) { zlog_info ("ISIS-Evt (%s) Authentication failure %s from %s", area_tag, error_string, sysid_print (sysid)); - + return; } - |