diff options
Diffstat (limited to 'nest/proto.c')
-rw-r--r-- | nest/proto.c | 67 |
1 files changed, 61 insertions, 6 deletions
diff --git a/nest/proto.c b/nest/proto.c index c05db76..c531d86 100644 --- a/nest/proto.c +++ b/nest/proto.c @@ -73,6 +73,10 @@ proto_relink(struct proto *p) rem_node(&p->n); switch (p->core_state) { + case FS_HUNGRY: + l = &inactive_proto_list; + break; + case FS_FEEDING: case FS_HAPPY: l = &active_proto_list; break; @@ -80,7 +84,7 @@ proto_relink(struct proto *p) l = &flush_proto_list; break; default: - l = &inactive_proto_list; + ASSERT(0); } proto_enqueue(l, p); } @@ -549,7 +553,7 @@ proto_feed_more(void *P) } static void -proto_feed(void *P) +proto_feed_initial(void *P) { struct proto *p = P; @@ -577,16 +581,45 @@ proto_schedule_flush(struct proto *p) } static void -proto_schedule_feed(struct proto *p) +proto_schedule_feed(struct proto *p, int initial) { DBG("%s: Scheduling meal\n", p->name); p->core_state = FS_FEEDING; proto_relink(p); - p->attn->hook = proto_feed; + p->attn->hook = initial ? proto_feed_initial : proto_feed_more; ev_schedule(p->attn); } /** + * proto_request_feeding - request feeding routes to the protocol + * @p: given protocol + * + * Sometimes it is needed to send again all routes to the + * protocol. This is called feeding and can be requested by this + * function. This would cause protocol core state transition + * to FS_FEEDING (during feeding) and when completed, it will + * switch back to FS_HAPPY. This function can be called even + * when feeding is already running, in that case it is restarted. + */ +void +proto_request_feeding(struct proto *p) +{ + ASSERT(p->proto_state == PS_UP); + + /* If we are already feeding, we want to restart it */ + if (p->core_state == FS_FEEDING) + { + /* Unless feeding is in initial state */ + if (p->attn->hook == proto_feed_initial) + return; + + rt_feed_baby_abort(p); + } + + proto_schedule_feed(p, 0); +} + +/** * proto_notify_state - notify core about protocol state change * @p: protocol the state of which has changed * @ps: the new status @@ -635,7 +668,7 @@ proto_notify_state(struct proto *p, unsigned ps) case PS_UP: ASSERT(ops == PS_DOWN || ops == PS_START); ASSERT(cs == FS_HUNGRY); - proto_schedule_feed(p); + proto_schedule_feed(p, 1); break; case PS_STOP: if ((cs = FS_FEEDING) || (cs == FS_HAPPY)) @@ -798,6 +831,7 @@ proto_xxable(char *pattern, int xx) { cli_msg(-9, "%s: disabled", p->name); p->disabled = 1; + proto_rethink_goal(p); } break; case 1: @@ -807,6 +841,7 @@ proto_xxable(char *pattern, int xx) { cli_msg(-11, "%s: enabled", p->name); p->disabled = 0; + proto_rethink_goal(p); } break; case 2: @@ -817,13 +852,33 @@ proto_xxable(char *pattern, int xx) p->disabled = 1; proto_rethink_goal(p); p->disabled = 0; + proto_rethink_goal(p); cli_msg(-12, "%s: restarted", p->name); } break; + case 3: + // FIXME change msg number + if (p->disabled) + cli_msg(-8, "%s: already disabled", p->name); + else if (p->reload_routes && p->reload_routes(p)) + cli_msg(-12, "%s: reloading", p->name); + else + cli_msg(-12, "%s: reload failed", p->name); + break; + case 4: + // FIXME change msg number + if (p->disabled) + cli_msg(-8, "%s: already disabled", p->name); + else + { + proto_request_feeding(p); + cli_msg(-12, "%s: reexport failed", p->name); + } + break; + default: ASSERT(0); } - proto_rethink_goal(p); } WALK_PROTO_LIST_END; if (!cnt) |