diff options
Diffstat (limited to 'src/babel.h')
| -rw-r--r-- | src/babel.h | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/src/babel.h b/src/babel.h index cf8b435..b85438b 100644 --- a/src/babel.h +++ b/src/babel.h @@ -47,7 +47,11 @@ #define GP_BABEL_MAINTENANCE_INTERVAL GP_BABEL_HELLO_INTERVAL +#define GP_BABEL_SEQNO_REQ_HOP_LIMIT 127 + + #define GP_BABEL_UPDATE_FLAG_HAS_PAYLOAD 0x01 +#define GP_BABEL_ANNOUCE_REQ_FLAG_WITH_PAYLOAD 0x01 struct gmrf_context { @@ -119,6 +123,27 @@ struct gp_babel_nexthop { }; +void gp_babel_handle_packet(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_iface_t *iface, const gmrf_addr_t *source, const gp_babel_packet_t *packet); + +void gp_babel_send_ack(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_neigh_t *neigh, uint16_t nonce); +void gp_babel_send_hellos(gmrf_t *gmrf, gmrf_context_t *ctx); + +void gp_babel_send_update(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_iface_t *iface, gp_babel_neigh_t *neigh, gp_babel_announce_t *announce, bool with_payload); + +void gp_babel_send_announce_request(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_iface_t *iface, gp_babel_neigh_t *neigh, const gp_babel_node_id_t *node, uint16_t type, uint16_t key, bool with_payload); +void gp_babel_send_seqno_request(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_neigh_t *neigh, gp_babel_announce_t *announce, uint16_t seqno, uint8_t hop_count); + +gp_babel_announce_t* gp_babel_announce_new(gmrf_t *gmrf, gmrf_context_t *ctx); +gp_babel_announce_t* gp_babel_announce_find(gmrf_t *gmrf, gmrf_context_t *ctx, const gp_babel_node_id_t *node, uint16_t type, uint16_t key); +gp_babel_announce_t* gp_babel_announce_get(gmrf_t *gmrf, gmrf_context_t *ctx, const gp_babel_node_id_t *node, uint16_t type, uint16_t key); +void gp_babel_announce_update(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_announce_t *announce); +void gp_babel_announce_free(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_announce_t *announce); + +gp_babel_nexthop_t* gp_babel_announce_nexthop_new(gp_babel_announce_t *announce, gp_babel_neigh_t *neigh); +gp_babel_nexthop_t* gp_babel_announce_nexthop_find(const gp_babel_announce_t *announce, gp_babel_neigh_t *neigh); +void gp_babel_announce_update_nexthop(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_announce_t *announce, gp_babel_nexthop_t *nexthop, gp_babel_metric_seqno_t ms, uint16_t interval); + + static inline bool gp_babel_node_id_equal(const gp_babel_node_id_t *id1, const gp_babel_node_id_t *id2) { return (memcmp(id1->id, id2->id, GP_BABEL_NODE_ID_LENGTH) == 0); } @@ -137,7 +162,6 @@ static inline gp_babel_iface_t* gp_babel_get_iface(gmrf_context_t *ctx, gmrf_ifa return NULL; } - static inline bool gp_babel_is_metric_better(gp_babel_metric_seqno_t ms1, gp_babel_metric_seqno_t ms2) { if (ms1.metric == GP_BABEL_INFINITY) return false; @@ -162,23 +186,11 @@ static inline bool gp_babel_is_feasible(const gp_babel_announce_t *announce, gp_ return gp_babel_is_metric_better(ms, announce->feasibility_distance); } +static inline void gp_babel_send_seqno_request_for(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_neigh_t *neigh, gp_babel_announce_t *announce) { + if (announce->feasibility_distance.metric == GP_BABEL_INFINITY) + return; -void gp_babel_handle_packet(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_iface_t *iface, const gmrf_addr_t *source, const gp_babel_packet_t *packet); - -void gp_babel_send_ack(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_neigh_t *neigh, uint16_t nonce); -void gp_babel_send_hellos(gmrf_t *gmrf, gmrf_context_t *ctx); - -void gp_babel_send_update(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_iface_t *iface, gp_babel_neigh_t *neigh, gp_babel_announce_t *announce, bool with_payload); - - -gp_babel_announce_t* gp_babel_announce_new(gmrf_t *gmrf, gmrf_context_t *ctx); -gp_babel_announce_t* gp_babel_announce_find(gmrf_t *gmrf, gmrf_context_t *ctx, const gp_babel_node_id_t *node, uint16_t type, uint16_t key); -gp_babel_announce_t* gp_babel_announce_get(gmrf_t *gmrf, gmrf_context_t *ctx, const gp_babel_node_id_t *node, uint16_t type, uint16_t key); -void gp_babel_announce_update(gmrf_t *gmrf, gp_babel_announce_t *announce); -void gp_babel_announce_free(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_announce_t *announce); - -gp_babel_nexthop_t* gp_babel_announce_nexthop_new(gp_babel_announce_t *announce, gp_babel_neigh_t *neigh); -gp_babel_nexthop_t* gp_babel_announce_nexthop_find(const gp_babel_announce_t *announce, gp_babel_neigh_t *neigh); -void gp_babel_announce_update_nexthop(gmrf_t *gmrf, gp_babel_announce_t *announce, gp_babel_nexthop_t *nexthop, gp_babel_metric_seqno_t ms, uint16_t interval); + gp_babel_send_seqno_request(gmrf, ctx, neigh, announce, announce->feasibility_distance.seqno+1, GP_BABEL_SEQNO_REQ_HOP_LIMIT); +} #endif /* _GMRF_PROTO_BABEL_BABEL_H_ */ |