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RPKI: hand over a roa update using slab memory

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This commit is contained in:
Pavel Tvrdík 2015-11-09 08:41:04 +01:00
parent d00f9cf766
commit 28af3c34a4
2 changed files with 25 additions and 33 deletions
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56
proto/rpki/rpki.c
View File

@ -335,15 +335,6 @@ get_rpki_proto_by_rtr_socket(const struct rtr_socket *socket)
return NULL; /* FAIL */
}
static void
send_data_to_main_thread(struct rpki_proto *p, struct rpki_entry *e)
{
rpki_lock_notify(p);
add_tail(&p->roa_update_list, &e->n);
rpki_unlock_notify(p);
pipe_kick(p->roa_update.write->fd);
}
static void
roa_update_rtrlib_thread_hook(void *pfx_table, const struct pfx_record rec, const bool added)
{
@ -360,7 +351,6 @@ roa_update_rtrlib_thread_hook(void *pfx_table, const struct pfx_record rec, cons
log_skipped_entry(p, &rec, added);
return;
}
ip_addr ip = ip6_build(rec.prefix.u.addr6.addr[0], rec.prefix.u.addr6.addr[1], rec.prefix.u.addr6.addr[2], rec.prefix.u.addr6.addr[3]);
#else
if (rec.prefix.ver != RTRLIB_IPV4)
@ -368,29 +358,31 @@ roa_update_rtrlib_thread_hook(void *pfx_table, const struct pfx_record rec, cons
log_skipped_entry(p, &rec, added);
return;
}
ip_addr ip = ip4_from_u32(rec.prefix.u.addr4.addr);
#endif
if (added)
{
RPKI_CACHE_TRACE(p, rec.socket, RPKI_LOG_FMT(RPKI_LOG_ADD), ip, rec.min_len, rec.max_len, rec.asn);
}
else
{
RPKI_CACHE_TRACE(p, rec.socket, RPKI_LOG_FMT(RPKI_LOG_DEL), ip, rec.min_len, rec.max_len, rec.asn);
}
/* TODO: Make more effective solution with thread-safe recycle-able pool/queue of rpki_entry structures
* without endless allocations and frees */
struct rpki_entry *e = mb_allocz(p->p.pool, sizeof(struct rpki_entry));
rpki_lock_notify(p);
struct rpki_entry *e = sl_alloc(p->roa_update_slab);
e->added = added;
e->asn = rec.asn;
e->ip = ip;
e->pxlen = rec.min_len;
e->maxlen = rec.max_len;
if (e->added)
{
RPKI_CACHE_TRACE(p, rec.socket, RPKI_LOG_FMT(RPKI_LOG_ADD), e->ip, e->pxlen, e->maxlen, e->asn);
}
else
{
RPKI_CACHE_TRACE(p, rec.socket, RPKI_LOG_FMT(RPKI_LOG_DEL), e->ip, e->pxlen, e->maxlen, e->asn);
}
send_data_to_main_thread(p, e);
add_tail(&p->roa_update_list, &e->n);
rpki_unlock_notify(p);
pipe_kick(p->roa_update.write->fd);
}
static struct proto *
@ -449,29 +441,23 @@ roa_update_bird_thread_hook(struct birdsock *sk, int size)
{
struct rpki_proto *p = sk->data;
struct rpki_entry *e;
list tmp_list;
pipe_drain(sk->fd);
rpki_lock_notify(p);
init_list(&tmp_list);
add_tail_list(&tmp_list, &p->roa_update_list);
init_list(&p->roa_update_list);
rpki_unlock_notify(p);
WALK_LIST_FIRST(e, tmp_list)
WALK_LIST_FIRST(e, p->roa_update_list)
{
rpki_lock_notify(p);
rem2_node(&e->n);
rpki_unlock_notify(p);
if (e->added)
roa_add_item(p->cf->roa_table_cf->table, e->ip, e->pxlen, e->maxlen, e->asn, ROA_SRC_RPKI);
else
roa_delete_item(p->cf->roa_table_cf->table, e->ip, e->pxlen, e->maxlen, e->asn, ROA_SRC_RPKI);
mb_free(e);
sl_free(p->roa_update_slab, e);
}
init_list(&p->roa_update_list);
rpki_unlock_notify(p);
return 0;
}
@ -689,6 +675,7 @@ rpki_start(struct proto *P)
create_pipe_pair(p, &p->roa_update, roa_update_bird_thread_hook);
init_list(&p->roa_update_list);
p->roa_update_slab = sl_new(p->p.pool, sizeof(struct rpki_entry));
pthread_mutex_init(&p->roa_update_lock, NULL);
lock_rpki_proto_list();
@ -740,6 +727,9 @@ rpki_shutdown(struct proto *P)
rem2_node(&p->rpki_node);
unlock_rpki_proto_list();
rpki_lock_notify(p);
rfree(p->roa_update_slab);
rpki_unlock_notify(p);
pthread_mutex_destroy(&p->roa_update_lock);
return PS_DOWN;

2
proto/rpki/rpki.h
View File

@ -16,6 +16,7 @@
#include "nest/bird.h"
#include "nest/protocol.h"
#include "lib/socket.h"
#include "lib/resource.h"
#include "proto/rpki/rtrlib-mockup.h"
@ -77,6 +78,7 @@ struct rpki_proto {
struct rtr_mgr_config *rtr_conf;
struct rpki_rw_sk_pair roa_update;
slab *roa_update_slab;
list roa_update_list;
pthread_mutex_t roa_update_lock;
struct rpki_rw_sk_pair status_update;