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RPKI: refactore thread's communication usign pipes

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This commit is contained in:
Pavel Tvrdík 2015-10-26 15:29:15 +01:00
parent 919ae5e4a7
commit be9c51655d
2 changed files with 34 additions and 31 deletions
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49
proto/rpki/rpki.c
View File

@ -306,9 +306,9 @@ static void
send_data_to_main_thread(struct rpki_proto *p, struct rpki_entry *e)
{
rpki_lock_notify(p);
add_tail(&p->notify_list, &e->n);
add_tail(&p->roa_update_list, &e->n);
rpki_unlock_notify(p);
pipe_kick(p->notify_write_sk->fd);
pipe_kick(p->roa_update.write->fd);
}
static void
@ -392,8 +392,8 @@ recv_data_in_main_thread(struct birdsock *sk, int size)
rpki_lock_notify(p);
init_list(&tmp_list);
add_tail_list(&tmp_list, &p->notify_list);
init_list(&p->notify_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)
@ -420,7 +420,7 @@ recv_err_in_main_thread(struct birdsock *sk, int err)
}
static sock *
create_socket(struct rpki_proto *p, int fd)
create_pipe(struct rpki_proto *p, int fd)
{
sock *sk = sk_new(p->p.pool);
sk->type = SK_MAGIC;
@ -429,38 +429,37 @@ create_socket(struct rpki_proto *p, int fd)
return sk;
}
static void
create_read_socket(struct rpki_proto *p, int fd)
static sock *
create_read_pipe(struct rpki_proto *p, int fd)
{
sock *sk = create_socket(p, fd);
sock *sk = create_pipe(p, fd);
sk->rx_hook = recv_data_in_main_thread;
sk->err_hook = recv_err_in_main_thread;
if (sk_open(sk) < 0)
RPKI_DIE(p, "read socket sk_open() failed");
p->notify_read_sk = sk;
return NULL;
return sk;
}
static void
create_write_socket(struct rpki_proto *p, int fd)
static sock *
create_write_pipe(struct rpki_proto *p, int fd)
{
sock *sk = create_socket(p, fd);
sock *sk = create_pipe(p, fd);
sk->flags = SKF_THREAD;
if (sk_open(sk) < 0)
RPKI_DIE(p, "write socket sk_open() failed");
p->notify_write_sk = sk;
return NULL;
return sk;
}
static void
create_rw_sockets(struct rpki_proto *p)
create_pipe_pair(struct rpki_proto *p, struct rpki_rw_sk_pair *sk_pair)
{
int pipe_fildes[2];
int rv = pipe(pipe_fildes);
if (rv < 0)
if ((pipe(pipe_fildes) < 0)
|| ((sk_pair->read = create_read_pipe(p, pipe_fildes[0])) == NULL)
|| ((sk_pair->write = create_write_pipe(p, pipe_fildes[1])) == NULL)
)
RPKI_DIE(p, "pipe: %m");
create_read_socket (p, pipe_fildes[0]);
create_write_socket(p, pipe_fildes[1]);
}
static uint
@ -617,9 +616,9 @@ rpki_start(struct proto *P)
struct rpki_proto *p = (struct rpki_proto *) P;
struct rpki_config *cf = (struct rpki_config *) (P->cf);
create_rw_sockets(p);
init_list(&p->notify_list);
pthread_mutex_init(&p->notify_lock, NULL);
create_pipe_pair(p, &p->roa_update);
init_list(&p->roa_update_list);
pthread_mutex_init(&p->roa_update_lock, NULL);
lock_rpki_proto_list();
add_tail(&rpki_proto_list, &p->rpki_node);
@ -668,7 +667,7 @@ rpki_shutdown(struct proto *P)
rem2_node(&p->rpki_node);
unlock_rpki_proto_list();
pthread_mutex_destroy(&p->notify_lock);
pthread_mutex_destroy(&p->roa_update_lock);
return PS_DOWN;
}

16
proto/rpki/rpki.h
View File

@ -64,6 +64,11 @@ struct rpki_config {
struct roa_table_config *roa_table_cf;
};
struct rpki_rw_sk_pair {
sock *read;
sock *write;
};
struct rpki_proto {
struct proto p;
struct rpki_config *cf;
@ -71,16 +76,15 @@ struct rpki_proto {
struct rtr_mgr_config *rtr_conf;
sock *notify_read_sk;
sock *notify_write_sk;
list notify_list;
pthread_mutex_t notify_lock;
struct rpki_rw_sk_pair roa_update;
list roa_update_list;
pthread_mutex_t roa_update_lock;
};
struct rpki_cache *rpki_new_cache(void);
static inline void rpki_lock_notify(struct rpki_proto *p) { pthread_mutex_lock(&p->notify_lock); }
static inline void rpki_unlock_notify(struct rpki_proto *p) { pthread_mutex_unlock(&p->notify_lock); }
static inline void rpki_lock_notify(struct rpki_proto *p) { pthread_mutex_lock(&p->roa_update_lock); }
static inline void rpki_unlock_notify(struct rpki_proto *p) { pthread_mutex_unlock(&p->roa_update_lock); }
void rpki_init_all(void);
char *rpki_load_rtrlib(void);