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BMP: Integrate bmp_conn to bmp_proto

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There is only one socket per BMP instance, no need to have separate
struct (like in BGP).
This commit is contained in:
Ondrej Zajicek (work) 2021-03-28 16:41:53 +02:00 committed by Ondrej Zajicek
parent 4adebdf198
commit 568fd66613
2 changed files with 29 additions and 45 deletions
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65
proto/bmp/bmp.c
View File

@ -258,10 +258,10 @@ bmp_schedule_tx_packet(struct bmp_proto *p, const byte *payload, const size_t si
tx_data->data_size = size;
add_tail(&p->tx_queue, &tx_data->n);
if (sk_tx_buffer_empty(p->conn->sk)
&& !ev_active(p->conn->tx_ev))
if (sk_tx_buffer_empty(p->sk)
&& !ev_active(p->tx_ev))
{
ev_schedule(p->conn->tx_ev);
ev_schedule(p->tx_ev);
}
}
@ -281,18 +281,11 @@ bmp_startup(struct bmp_proto *p)
p->started = true;
}
void
bmp_fire_tx(void *vconn)
static void
bmp_fire_tx(void *p_)
{
struct bmp_conn *conn = (void *) vconn;
struct bmp_proto *p = conn->bmp;
IF_PTR_IS_NULL_PRINT_ERR_MSG_AND_RETURN_OPT_VAL(
conn->sk,
"Socket is null"
);
byte *buf = conn->sk->tbuf;
struct bmp_proto *p = p_;
byte *buf = p->sk->tbuf;
IF_COND_TRUE_PRINT_ERR_MSG_AND_RETURN_OPT_VAL(
EMPTY_LIST(p->tx_queue),
"Called BMP TX event handler when there is not any data to send"
@ -303,9 +296,9 @@ bmp_fire_tx(void *vconn)
struct bmp_data_node *tx_data_next;
WALK_LIST_DELSAFE(tx_data, tx_data_next, p->tx_queue)
{
if (tx_data->data_size > conn->sk->tbsize)
if (tx_data->data_size > p->sk->tbsize)
{
sk_set_tbsize(conn->sk, tx_data->data_size);
sk_set_tbsize(p->sk, tx_data->data_size);
}
size_t data_size = tx_data->data_size;
@ -314,7 +307,7 @@ bmp_fire_tx(void *vconn)
rem_node((node *) tx_data);
mb_free(tx_data);
IF_COND_TRUE_PRINT_ERR_MSG_AND_RETURN_OPT_VAL(
(sk_send(conn->sk, data_size) <= 0),
(sk_send(p->sk, data_size) <= 0),
"Failed to send BMP packet"
);
@ -323,9 +316,9 @@ bmp_fire_tx(void *vconn)
// call
if (++cnt > 32)
{
if (!ev_active(conn->tx_ev))
if (!ev_active(p->tx_ev))
{
ev_schedule(conn->tx_ev);
ev_schedule(p->tx_ev);
}
return;
@ -342,7 +335,7 @@ bmp_tx(struct birdsock *sk)
static inline int
bmp_open_socket(struct bmp_proto *p)
{
sock *s = p->conn->sk;
sock *s = p->sk;
s->daddr = p->station_ip;
s->dport = p->station_port;
s->err_hook = bmp_sock_err;
@ -358,7 +351,7 @@ bmp_open_socket(struct bmp_proto *p)
static void
bmp_connection_retry(timer *t)
{
struct bmp_proto *p = (void *) t->data;
struct bmp_proto *p = t->data;
if (bmp_open_socket(p) < 0)
{
@ -373,8 +366,8 @@ bmp_connection_retry(timer *t)
void
bmp_sock_err(sock *sk, int err)
{
struct bmp_conn *conn = (void *) sk->data;
log(L_WARN "[BMP:%s] Socket error: %M", conn->bmp->p.name, err);
struct bmp_proto *p = sk->data;
log(L_WARN "[BMP:%s] Socket error: %M", p->p.name, err);
}
static inline void
@ -510,7 +503,7 @@ bmp_open(const struct proto *P)
p->map_mem_pool = rp_new(P->pool, "BMP Map");
p->tx_mem_pool = rp_new(P->pool, "BMP Tx");
p->update_msg_mem_pool = rp_new(P->pool, "BMP Update");
p->conn->tx_ev = ev_new_init(p->tx_mem_pool, bmp_fire_tx, p->conn);
p->tx_ev = ev_new_init(p->tx_mem_pool, bmp_fire_tx, p);
bmp_peer_map_init(&p->peer_open_msg.tx_msg, p->map_mem_pool);
bmp_peer_map_init(&p->peer_open_msg.rx_msg, p->map_mem_pool);
@ -1040,15 +1033,14 @@ bmp_send_termination_msg(struct bmp_proto *p,
+ BMP_TERM_INFO_LEN_FIELD_SIZE
+ BMP_TERM_REASON_CODE_SIZE;
const size_t term_msg_size = BMP_COMMON_HDR_SIZE + term_msg_hdr_size;
buffer stream
= bmp_buffer_alloc(p->buffer_mpool, term_msg_size);
buffer stream = bmp_buffer_alloc(p->buffer_mpool, term_msg_size);
bmp_common_hdr_serialize(&stream, BMP_TERM_MSG, term_msg_hdr_size);
bmp_put_u16(&stream, BMP_TERM_INFO_REASON);
bmp_put_u16(&stream, BMP_TERM_REASON_CODE_SIZE); // 2-byte code indication the reason
bmp_put_u16(&stream, reason);
memcpy(p->conn->sk->tbuf, bmp_buffer_data(&stream), bmp_buffer_pos(&stream));
memcpy(p->sk->tbuf, bmp_buffer_data(&stream), bmp_buffer_pos(&stream));
IF_COND_TRUE_PRINT_ERR_MSG_AND_RETURN_OPT_VAL(
sk_send(p->conn->sk, bmp_buffer_pos(&stream)) < 0,
sk_send(p->sk, bmp_buffer_pos(&stream)) < 0,
"Failed to send BMP termination message"
);
@ -1058,10 +1050,9 @@ bmp_send_termination_msg(struct bmp_proto *p,
static void
bmp_station_connected(struct birdsock *sk)
{
struct bmp_conn *conn = (void *) sk->data;
struct bmp_proto *p = conn->bmp;
struct bmp_proto *p = (void *) sk->data;
conn->sk->tx_hook = bmp_tx;
sk->tx_hook = bmp_tx;
p->station_connected = true;
bmp_startup(p);
@ -1073,17 +1064,17 @@ bmp_station_connected(struct birdsock *sk)
}
static inline void
bmp_setup_socket(struct bmp_conn *conn)
bmp_setup_socket(struct bmp_proto *p)
{
sock *sk = sk_new(proto_pool);
sock *sk = sk_new(p->tx_mem_pool);
sk->type = SK_TCP_ACTIVE;
sk->ttl = IP4_MAX_TTL;
sk->tos = IP_PREC_INTERNET_CONTROL;
sk->tbsize = BGP_TX_BUFFER_EXT_SIZE;
sk->tx_hook = bmp_station_connected;
conn->sk = sk;
sk->data = conn;
p->sk = sk;
sk->data = p;
}
/** Configuration handle section **/
@ -1111,9 +1102,7 @@ bmp_start(struct proto *P)
{
struct bmp_proto *p = (void *) P;
p->conn = mb_allocz(P->pool, sizeof (struct bmp_conn));
p->conn->bmp = p;
bmp_setup_socket(p->conn);
bmp_setup_socket(p);
bmp_open(P);
g_bmp = p;

9
proto/bmp/bmp.h
View File

@ -46,12 +46,6 @@ struct bmp_config {
struct bgp_proto;
struct bmp_proto;
struct bmp_conn {
struct bmp_proto *bmp;
struct birdsock *sk;
event *tx_ev;
};
// Stores sent and received BGP OPEN MSGs
struct bmp_peer_open_msg {
struct bmp_peer_map tx_msg;
@ -70,7 +64,8 @@ struct rt_table_info {
struct bmp_proto {
struct proto p; // Parent proto
const struct bmp_config *cf; // Shortcut to BMP configuration
struct bmp_conn *conn; // Connection we have established
sock *sk; // TCP connection
event *tx_ev; // TX event
char sys_descr[MIB_II_STR_LEN]; // sysDescr MIB-II [RFC1213] object
char sys_name[MIB_II_STR_LEN]; // sysName MIB-II [RFC1213] object
ip_addr station_ip; // Monitoring station IP address