}
static int
-openssl_read_from_bio_into_fifo (svm_fifo_t * f, BIO * bio)
+openssl_read_from_bio_into_fifo (svm_fifo_t * f, BIO * bio, u32 enq_max)
{
- u32 enq_now, enq_max;
svm_fifo_chunk_t *c;
int read, rv;
-
- enq_max = svm_fifo_max_enqueue_prod (f);
- if (!enq_max)
- return 0;
+ u32 enq_now;
svm_fifo_fill_chunk_list (f);
if (read <= 0)
return 0;
- if (read == enq_now)
+ c = svm_fifo_tail_chunk (f);
+ while ((c = c->next) && read < enq_max)
{
- c = svm_fifo_tail_chunk (f);
- while (read < enq_max)
- {
- c = c->next;
- enq_now = clib_min (c->length, enq_max - read);
- rv = BIO_read (bio, c->data, enq_now);
- read += rv > 0 ? rv : 0;
+ enq_now = clib_min (c->length, enq_max - read);
+ rv = BIO_read (bio, c->data, enq_now);
+ read += rv > 0 ? rv : 0;
- if (rv < enq_now)
- break;
- }
+ if (rv < enq_now)
+ break;
}
svm_fifo_enqueue_nocopy (f, read);
if (read <= 0)
return 0;
- if (read == enq_now)
+ c = svm_fifo_tail_chunk (f);
+ while ((c = c->next) && read < enq_max)
{
- c = svm_fifo_tail_chunk (f);
- while (read < enq_max)
- {
- c = c->next;
- if (!c)
- break;
- enq_now = clib_min (c->length, enq_max - read);
- rv = SSL_read (ssl, c->data, enq_now);
- read += rv > 0 ? rv : 0;
-
- if (rv < enq_now)
- break;
- }
+ enq_now = clib_min (c->length, enq_max - read);
+ rv = SSL_read (ssl, c->data, enq_now);
+ read += rv > 0 ? rv : 0;
+
+ if (rv < enq_now)
+ break;
}
svm_fifo_enqueue_nocopy (f, read);
int wrote, rv;
u32 deq_now;
- svm_fifo_fill_chunk_list (f);
-
deq_now = clib_min (svm_fifo_max_read_chunk (f), len);
wrote = BIO_write (bio, svm_fifo_head (f), deq_now);
if (wrote <= 0)
return 0;
- if (wrote == deq_now)
+ c = svm_fifo_head_chunk (f);
+ while ((c = c->next) && wrote < len)
{
- c = svm_fifo_head_chunk (f);
- while (wrote < len)
- {
- c = c->next;
- deq_now = clib_min (c->length, len - wrote);
- rv = BIO_write (bio, c->data, deq_now);
- wrote += rv > 0 ? rv : 0;
+ deq_now = clib_min (c->length, len - wrote);
+ rv = BIO_write (bio, c->data, deq_now);
+ wrote += rv > 0 ? rv : 0;
- if (rv < deq_now)
- break;
- }
+ if (rv < deq_now)
+ break;
}
svm_fifo_dequeue_drop (f, wrote);
int wrote = 0, rv;
u32 deq_now;
- svm_fifo_fill_chunk_list (f);
-
deq_now = clib_min (svm_fifo_max_read_chunk (f), len);
wrote = SSL_write (ssl, svm_fifo_head (f), deq_now);
if (wrote <= 0)
return 0;
- if (wrote == deq_now)
+ c = svm_fifo_head_chunk (f);
+ while ((c = c->next) && wrote < len)
{
- c = svm_fifo_head_chunk (f);
- while (wrote < len)
- {
- c = c->next;
- deq_now = clib_min (c->length, len - wrote);
- rv = SSL_write (ssl, c->data, deq_now);
- wrote += rv > 0 ? rv : 0;
+ deq_now = clib_min (c->length, len - wrote);
+ rv = SSL_write (ssl, c->data, deq_now);
+ wrote += rv > 0 ? rv : 0;
- if (rv < deq_now)
- break;
- }
+ if (rv < deq_now)
+ break;
}
svm_fifo_dequeue_drop (f, wrote);
static int
openssl_try_handshake_write (openssl_ctx_t * oc, session_t * tls_session)
{
- u32 read;
+ u32 read, enq_max;
if (BIO_ctrl_pending (oc->rbio) <= 0)
return 0;
- read = openssl_read_from_bio_into_fifo (tls_session->tx_fifo, oc->rbio);
+ enq_max = svm_fifo_max_enqueue_prod (tls_session->tx_fifo);
+ if (!enq_max)
+ return 0;
+
+ read = openssl_read_from_bio_into_fifo (tls_session->tx_fifo, oc->rbio,
+ enq_max);
if (read)
tls_add_vpp_q_tx_evt (tls_session);
/*
* Also handles cleanup of the pre-allocated session
*/
- tls_notify_app_connected (ctx, /* is failed */ 1);
+ tls_notify_app_connected (ctx, SESSION_E_TLS_HANDSHAKE);
}
}
*/
if (ctx->srv_hostname)
{
- tls_notify_app_connected (ctx, /* is failed */ 0);
+ tls_notify_app_connected (ctx, SESSION_E_TLS_HANDSHAKE);
return -1;
}
}
- tls_notify_app_connected (ctx, /* is failed */ 0);
+ tls_notify_app_connected (ctx, SESSION_E_NONE);
}
else
{
}
static inline int
-openssl_ctx_write (tls_ctx_t * ctx, session_t * app_session)
+openssl_ctx_write (tls_ctx_t * ctx, session_t * app_session,
+ transport_send_params_t * sp)
{
openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
- int wrote = 0, read, max_buf = 100 * TLS_CHUNK_SIZE, max_space;
- u32 deq_max, to_write;
+ int wrote = 0, read, max_buf = 4 * TLS_CHUNK_SIZE, max_space, n_pending;
+ u32 deq_max, to_write, enq_max;
session_t *tls_session;
svm_fifo_t *f;
if (!deq_max)
goto check_tls_fifo;
+ deq_max = clib_min (deq_max, sp->max_burst_size);
+
/* Figure out how much data to write */
max_space = max_buf - BIO_ctrl_pending (oc->rbio);
max_space = (max_space < 0) ? 0 : max_space;
wrote = openssl_write_from_fifo_into_ssl (f, oc->ssl, to_write);
if (!wrote)
- {
- tls_add_vpp_q_builtin_tx_evt (app_session);
- goto check_tls_fifo;
- }
+ goto check_tls_fifo;
if (svm_fifo_needs_deq_ntf (f, wrote))
session_dequeue_notify (app_session);
- if (svm_fifo_max_dequeue_cons (f))
- tls_add_vpp_q_builtin_tx_evt (app_session);
-
check_tls_fifo:
- if (BIO_ctrl_pending (oc->rbio) <= 0)
+ if ((n_pending = BIO_ctrl_pending (oc->rbio)) <= 0)
return wrote;
tls_session = session_get_from_handle (ctx->tls_session_handle);
- read = openssl_read_from_bio_into_fifo (tls_session->tx_fifo, oc->rbio);
+ enq_max = svm_fifo_max_enqueue_prod (tls_session->tx_fifo);
+ if (!enq_max)
+ goto maybe_reschedule;
+
+ read = openssl_read_from_bio_into_fifo (tls_session->tx_fifo, oc->rbio,
+ enq_max);
if (!read)
- {
- tls_add_vpp_q_builtin_tx_evt (app_session);
- return wrote;
- }
+ goto maybe_reschedule;
tls_add_vpp_q_tx_evt (tls_session);
- if (BIO_ctrl_pending (oc->rbio) > 0)
- tls_add_vpp_q_builtin_tx_evt (app_session);
- else if (ctx->app_closed)
+ if (PREDICT_FALSE (ctx->app_closed && !BIO_ctrl_pending (oc->rbio)))
openssl_confirm_app_close (ctx);
+maybe_reschedule:
+
+ if (!svm_fifo_max_enqueue_prod (tls_session->tx_fifo))
+ {
+ svm_fifo_add_want_deq_ntf (tls_session->tx_fifo,
+ SVM_FIFO_WANT_DEQ_NOTIF);
+ transport_connection_deschedule (&ctx->connection);
+ sp->flags |= TRANSPORT_SND_F_DESCHED;
+ }
+ else
+ /* Request tx reschedule of the app session */
+ app_session->flags |= SESSION_F_CUSTOM_TX;
+
return wrote;
}
static inline int
openssl_ctx_read (tls_ctx_t * ctx, session_t * tls_session)
{
- int read, wrote = 0, max_space, max_buf = 100 * TLS_CHUNK_SIZE;
+ int read, wrote = 0, max_space, max_buf = 4 * TLS_CHUNK_SIZE;
openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
u32 deq_max, to_write;
session_t *app_session;
Code Review / vpp.git / blobdiff