diff options
Diffstat (limited to 'zebra/label_manager.h')
| -rw-r--r-- | zebra/label_manager.h | 58 |
1 files changed, 52 insertions, 6 deletions
diff --git a/zebra/label_manager.h b/zebra/label_manager.h index f1b7d050cf..74e283e85e 100644 --- a/zebra/label_manager.h +++ b/zebra/label_manager.h @@ -28,6 +28,7 @@ #include "lib/linklist.h" #include "lib/thread.h" +#include "lib/hook.h" #include "zebra/zserv.h" @@ -57,6 +58,54 @@ struct label_manager_chunk { uint32_t end; /* Last label of the chunk */ }; +/* declare hooks for the basic API, so that it can be specialized or served + * externally. Also declare a hook when those functions have been registered, + * so that any external module wanting to replace those can react + */ + +DECLARE_HOOK(lm_client_connect, + (uint8_t proto, uint16_t instance, vrf_id_t vrf_id), + (proto, instance, vrf_id)); +DECLARE_HOOK(lm_client_disconnect, (uint8_t proto, uint16_t instance), + (proto, instance)); +DECLARE_HOOK(lm_get_chunk, + (struct label_manager_chunk * *lmc, uint8_t proto, + uint16_t instance, uint8_t keep, uint32_t size, uint32_t base, + vrf_id_t vrf_id), + (lmc, proto, instance, keep, size, base, vrf_id)); +DECLARE_HOOK(lm_release_chunk, + (uint8_t proto, uint16_t instance, uint32_t start, uint32_t end), + (proto, instance, start, end)); +DECLARE_HOOK(lm_cbs_inited, (), ()); + + +/* declare wrappers to be called in zapi_msg.c (as hooks must be called in + * source file where they were defined) + */ +void lm_client_connect_call(uint8_t proto, uint16_t instance, vrf_id_t vrf_id); +void lm_get_chunk_call(struct label_manager_chunk **lmc, uint8_t proto, + uint16_t instance, uint8_t keep, uint32_t size, + uint32_t base, vrf_id_t vrf_id); +void lm_release_chunk_call(uint8_t proto, uint16_t instance, uint32_t start, + uint32_t end); + +/* API for an external LM to return responses for requests */ +int lm_client_connect_response(uint8_t proto, uint16_t instance, + vrf_id_t vrf_id, uint8_t result); +int lm_get_chunk_response(struct label_manager_chunk *lmc, uint8_t proto, + uint16_t instance, vrf_id_t vrf_id); + +/* convenience function to allocate an lmc to be consumed by the above API */ +struct label_manager_chunk *create_label_chunk(uint8_t proto, + unsigned short instance, + uint8_t keep, uint32_t start, + uint32_t end); +void delete_label_chunk(void *val); + +/* register/unregister callbacks for hooks */ +void lm_hooks_register(void); +void lm_hooks_unregister(void); + /* * Main label manager struct * Holds a linked list of label chunks. @@ -65,18 +114,15 @@ struct label_manager { struct list *lc_list; }; -bool lm_is_external; - -int zread_relay_label_manager_request(int cmd, struct zserv *zserv, - struct stream *msg, vrf_id_t vrf_id); -void label_manager_init(char *lm_zserv_path); +void label_manager_init(void); struct label_manager_chunk *assign_label_chunk(uint8_t proto, unsigned short instance, uint8_t keep, uint32_t size, uint32_t base); int release_label_chunk(uint8_t proto, unsigned short instance, uint32_t start, uint32_t end); -int release_daemon_label_chunks(struct zserv *client); +int lm_client_disconnect_cb(struct zserv *client); +int release_daemon_label_chunks(uint8_t proto, unsigned short instance); void label_manager_close(void); #ifdef __cplusplus |