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authorNathan Skrzypczak <nathan.skrzypczak@gmail.com>2019-10-01 13:04:59 +0200
committerDave Wallace <dwallacelf@gmail.com>2019-10-07 13:22:27 +0000
commit1dc90824ff2ff38af2274d674f3922e3a2e60811 (patch)
treebcd7b3476243f03360a8b9d7fd0703643082f38d /src/plugins/quic/quic.c
parent56f62afe634101231b0d05479dbc9a5afd45d9e2 (diff)
quic: Refactor naming & clibs
Type: refactor Change-Id: I067fc7dbcc0985277df01384d9dcdb0bdf62fba5 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
Diffstat (limited to 'src/plugins/quic/quic.c')
-rw-r--r--src/plugins/quic/quic.c471
1 files changed, 194 insertions, 277 deletions
diff --git a/src/plugins/quic/quic.c b/src/plugins/quic/quic.c
index ff0e0d60230..96416a78207 100644
--- a/src/plugins/quic/quic.c
+++ b/src/plugins/quic/quic.c
@@ -38,7 +38,9 @@ static char *quic_error_strings[] = {
static quic_main_t quic_main;
static void quic_update_timer (quic_ctx_t * ctx);
-static int quic_on_client_connected (quic_ctx_t * ctx);
+static int quic_check_quic_session_connected (quic_ctx_t * ctx);
+
+/* Helper functions */
static u32
quic_ctx_alloc (u32 thread_index)
@@ -48,7 +50,7 @@ quic_ctx_alloc (u32 thread_index)
pool_get (qm->ctx_pool[thread_index], ctx);
- memset (ctx, 0, sizeof (quic_ctx_t));
+ clib_memset (ctx, 0, sizeof (quic_ctx_t));
ctx->c_thread_index = thread_index;
QUIC_DBG (3, "Allocated quic_ctx %u on thread %u",
ctx - qm->ctx_pool[thread_index], thread_index);
@@ -61,7 +63,7 @@ quic_ctx_free (quic_ctx_t * ctx)
QUIC_DBG (2, "Free ctx %u", ctx->c_c_index);
u32 thread_index = ctx->c_thread_index;
if (CLIB_DEBUG)
- memset (ctx, 0xfb, sizeof (*ctx));
+ clib_memset (ctx, 0xfb, sizeof (*ctx));
pool_put (quic_main.ctx_pool[thread_index], ctx);
}
@@ -156,6 +158,19 @@ quic_get_quicly_ctx_from_udp (u64 udp_session_handle)
return (quicly_context_t *) app->quicly_ctx;
}
+static inline void
+quic_set_udp_tx_evt (session_t * udp_session)
+{
+ int rv = 0;
+ if (svm_fifo_set_event (udp_session->tx_fifo))
+ rv = session_send_io_evt_to_thread (udp_session->tx_fifo,
+ SESSION_IO_EVT_TX);
+ if (PREDICT_FALSE (rv))
+ clib_warning ("Event enqueue errored %d", rv);
+}
+
+/* QUIC protocol actions */
+
static void
quic_ack_rx_data (session_t * stream_session)
{
@@ -165,9 +180,8 @@ quic_ack_rx_data (session_t * stream_session)
quicly_stream_t *stream;
quic_stream_data_t *stream_data;
- sctx =
- quic_ctx_get (stream_session->connection_index,
- stream_session->thread_index);
+ sctx = quic_ctx_get (stream_session->connection_index,
+ stream_session->thread_index);
ASSERT (quic_ctx_is_stream (sctx));
stream = sctx->stream;
stream_data = (quic_stream_data_t *) stream->data;
@@ -405,11 +419,7 @@ quic_send_packets (quic_ctx_t * ctx)
while (num_packets > 0 && num_packets == max_packets);
stop_sending:
- if (svm_fifo_set_event (udp_session->tx_fifo))
- if ((err =
- session_send_io_evt_to_thread (udp_session->tx_fifo,
- SESSION_IO_EVT_TX)))
- clib_warning ("Event enqueue errored %d", err);
+ quic_set_udp_tx_evt (udp_session);
QUIC_DBG (3, "%u[TX] %u[RX]", svm_fifo_max_dequeue (udp_session->tx_fifo),
svm_fifo_max_dequeue (udp_session->rx_fifo));
@@ -424,21 +434,16 @@ quicly_error:
return 1;
}
-/*****************************************************************************
- *
- * START QUICLY CALLBACKS
- * Called from QUIC lib
- *
- *****************************************************************************/
+/* Quicly callbacks */
static void
quic_on_stream_destroy (quicly_stream_t * stream, int err)
{
quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data;
- quic_ctx_t *sctx =
- quic_ctx_get (stream_data->ctx_id, stream_data->thread_index);
- session_t *stream_session =
- session_get (sctx->c_s_index, sctx->c_thread_index);
+ quic_ctx_t *sctx = quic_ctx_get (stream_data->ctx_id,
+ stream_data->thread_index);
+ session_t *stream_session = session_get (sctx->c_s_index,
+ sctx->c_thread_index);
QUIC_DBG (2, "DESTROYED_STREAM: session 0x%lx (%U)",
session_handle (stream_session), quic_format_err, err);
@@ -446,7 +451,7 @@ quic_on_stream_destroy (quicly_stream_t * stream, int err)
session_transport_delete_notify (&sctx->connection);
quic_ctx_free (sctx);
- free (stream->data);
+ clib_mem_free (stream->data);
}
static int
@@ -454,10 +459,10 @@ quic_on_stop_sending (quicly_stream_t * stream, int err)
{
#if QUIC_DEBUG >= 2
quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data;
- quic_ctx_t *sctx =
- quic_ctx_get (stream_data->ctx_id, stream_data->thread_index);
- session_t *stream_session =
- session_get (sctx->c_s_index, sctx->c_thread_index);
+ quic_ctx_t *sctx = quic_ctx_get (stream_data->ctx_id,
+ stream_data->thread_index);
+ session_t *stream_session = session_get (sctx->c_s_index,
+ sctx->c_thread_index);
clib_warning ("(NOT IMPLEMENTD) STOP_SENDING: session 0x%lx (%U)",
session_handle (stream_session), quic_format_err, err);
#endif
@@ -469,11 +474,11 @@ static int
quic_on_receive_reset (quicly_stream_t * stream, int err)
{
quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data;
- quic_ctx_t *sctx =
- quic_ctx_get (stream_data->ctx_id, stream_data->thread_index);
+ quic_ctx_t *sctx = quic_ctx_get (stream_data->ctx_id,
+ stream_data->thread_index);
#if QUIC_DEBUG >= 2
- session_t *stream_session =
- session_get (sctx->c_s_index, sctx->c_thread_index);
+ session_t *stream_session = session_get (sctx->c_s_index,
+ sctx->c_thread_index);
clib_warning ("RESET_STREAM: session 0x%lx (%U)",
session_handle (stream_session), quic_format_err, err);
#endif
@@ -520,9 +525,9 @@ quic_on_receive (quicly_stream_t * stream, size_t off, const void *src,
}
else
{
- rlen =
- svm_fifo_enqueue_with_offset (f, off - stream_data->app_rx_data_len,
- len, (u8 *) src);
+ rlen = svm_fifo_enqueue_with_offset (f,
+ off - stream_data->app_rx_data_len,
+ len, (u8 *) src);
ASSERT (rlen == 0);
}
return 0;
@@ -598,10 +603,9 @@ static const quicly_stream_callbacks_t quic_stream_callbacks = {
.on_receive_reset = quic_on_receive_reset
};
-static void
-quic_accept_stream (void *s)
+static int
+quic_on_stream_open (quicly_stream_open_t * self, quicly_stream_t * stream)
{
- quicly_stream_t *stream = (quicly_stream_t *) s;
session_t *stream_session, *quic_session;
quic_stream_data_t *stream_data;
app_worker_t *app_wrk;
@@ -609,25 +613,22 @@ quic_accept_stream (void *s)
u32 sctx_id;
int rv;
- sctx_id = quic_ctx_alloc (vlib_get_thread_index ());
+ QUIC_DBG (2, "on_stream_open called");
+ stream->data = clib_mem_alloc (sizeof (quic_stream_data_t));
+ stream->callbacks = &quic_stream_callbacks;
+ /* Notify accept on parent qsession, but only if this is not a locally
+ * initiated stream */
+ if (quicly_stream_is_self_initiated (stream))
+ return 0;
+ sctx_id = quic_ctx_alloc (vlib_get_thread_index ());
qctx = quic_get_conn_ctx (stream->conn);
/* Might need to signal that the connection is ready if the first thing the
* server does is open a stream */
- if (qctx->conn_state == QUIC_CONN_STATE_HANDSHAKE)
- {
- if (quicly_connection_is_ready (qctx->conn))
- {
- qctx->conn_state = QUIC_CONN_STATE_READY;
- if (quicly_is_client (qctx->conn))
- {
- quic_on_client_connected (qctx);
- /* ctx might be invalidated */
- qctx = quic_get_conn_ctx (stream->conn);
- }
- }
- }
+ quic_check_quic_session_connected (qctx);
+ /* ctx might be invalidated */
+ qctx = quic_get_conn_ctx (stream->conn);
stream_session = session_alloc (qctx->c_thread_index);
QUIC_DBG (2, "ACCEPTED stream_session 0x%lx ctx %u",
@@ -662,7 +663,7 @@ quic_accept_stream (void *s)
QUIC_DBG (1, "failed to allocate fifos");
session_free (stream_session);
quicly_reset_stream (stream, QUIC_APP_ALLOCATION_ERROR);
- return;
+ return 0; /* Frame is still valid */
}
svm_fifo_add_want_deq_ntf (stream_session->rx_fifo,
SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL |
@@ -673,20 +674,9 @@ quic_accept_stream (void *s)
QUIC_DBG (1, "failed to notify accept worker app");
session_free_w_fifos (stream_session);
quicly_reset_stream (stream, QUIC_APP_ACCEPT_NOTIFY_ERROR);
- return;
+ return 0; /* Frame is still valid */
}
-}
-static int
-quic_on_stream_open (quicly_stream_open_t * self, quicly_stream_t * stream)
-{
- QUIC_DBG (2, "on_stream_open called");
- stream->data = malloc (sizeof (quic_stream_data_t));
- stream->callbacks = &quic_stream_callbacks;
- /* Notify accept on parent qsession, but only if this is not a locally
- * initiated stream */
- if (!quicly_stream_is_self_initiated (stream))
- quic_accept_stream (stream);
return 0;
}
@@ -706,22 +696,10 @@ quic_on_closed_by_peer (quicly_closed_by_peer_t * self, quicly_conn_t * conn,
session_transport_closing_notify (&ctx->connection);
}
-static quicly_stream_open_t on_stream_open = { &quic_on_stream_open };
-static quicly_closed_by_peer_t on_closed_by_peer =
- { &quic_on_closed_by_peer };
-
-
-/*****************************************************************************
- *
- * END QUICLY CALLBACKS
- *
- *****************************************************************************/
+static quicly_stream_open_t on_stream_open = { quic_on_stream_open };
+static quicly_closed_by_peer_t on_closed_by_peer = { quic_on_closed_by_peer };
-/*****************************************************************************
- *
- * BEGIN TIMERS HANDLING
- *
- *****************************************************************************/
+/* Timer handling */
static int64_t
quic_get_thread_time (u8 thread_index)
@@ -809,8 +787,8 @@ quic_update_timer (quic_ctx_t * ctx)
QUIC_DBG (4, "timer for ctx %u already stopped", ctx->c_c_index);
return;
}
- ctx->timer_handle =
- tw_timer_start_1t_3w_1024sl_ov (tw, ctx->c_c_index, 0, next_interval);
+ ctx->timer_handle = tw_timer_start_1t_3w_1024sl_ov (tw, ctx->c_c_index,
+ 0, next_interval);
}
else
{
@@ -838,12 +816,6 @@ quic_expired_timers_dispatch (u32 * expired_timers)
}
}
-/*****************************************************************************
- *
- * END TIMERS HANDLING
- *
- *****************************************************************************/
-
static int
quic_encrypt_ticket_cb (ptls_encrypt_ticket_t * _self, ptls_t * tls,
int is_encrypt, ptls_buffer_t * dst, ptls_iovec_t src)
@@ -855,18 +827,18 @@ quic_encrypt_ticket_cb (ptls_encrypt_ticket_t * _self, ptls_t * tls,
{
/* replace the cached entry along with a newly generated session id */
- free (self->data.base);
- if ((self->data.base = malloc (src.len)) == NULL)
+ clib_mem_free (self->data.base);
+ if ((self->data.base = clib_mem_alloc (src.len)) == NULL)
return PTLS_ERROR_NO_MEMORY;
ptls_get_context (tls)->random_bytes (self->id, sizeof (self->id));
- memcpy (self->data.base, src.base, src.len);
+ clib_memcpy (self->data.base, src.base, src.len);
self->data.len = src.len;
/* store the session id in buffer */
if ((ret = ptls_buffer_reserve (dst, sizeof (self->id))) != 0)
return ret;
- memcpy (dst->base + dst->off, self->id, sizeof (self->id));
+ clib_memcpy (dst->base + dst->off, self->id, sizeof (self->id));
dst->off += sizeof (self->id);
}
@@ -876,26 +848,19 @@ quic_encrypt_ticket_cb (ptls_encrypt_ticket_t * _self, ptls_t * tls,
/* check if session id is the one stored in cache */
if (src.len != sizeof (self->id))
return PTLS_ERROR_SESSION_NOT_FOUND;
- if (memcmp (self->id, src.base, sizeof (self->id)) != 0)
+ if (clib_memcmp (self->id, src.base, sizeof (self->id)) != 0)
return PTLS_ERROR_SESSION_NOT_FOUND;
/* return the cached value */
if ((ret = ptls_buffer_reserve (dst, self->data.len)) != 0)
return ret;
- memcpy (dst->base + dst->off, self->data.base, self->data.len);
+ clib_memcpy (dst->base + dst->off, self->data.base, self->data.len);
dst->off += self->data.len;
}
return 0;
}
-typedef struct quicly_ctx_data_
-{
- quicly_context_t quicly_ctx;
- char cid_key[17];
- ptls_context_t ptls_ctx;
-} quicly_ctx_data_t;
-
static void
quic_store_quicly_ctx (application_t * app, u8 is_client)
{
@@ -928,7 +893,7 @@ quic_store_quicly_ctx (application_t * app, u8 is_client)
ptls_ctx->encrypt_ticket = &qm->session_cache.super;
app->quicly_ctx = (u64 *) quicly_ctx;
- memcpy (quicly_ctx, &quicly_spec_context, sizeof (quicly_context_t));
+ clib_memcpy (quicly_ctx, &quicly_spec_context, sizeof (quicly_context_t));
quicly_ctx->max_packet_size = QUIC_MAX_PACKET_SIZE;
quicly_ctx->tls = ptls_ctx;
@@ -946,9 +911,8 @@ quic_store_quicly_ctx (application_t * app, u8 is_client)
quicly_ctx->tls->random_bytes (quicly_ctx_data->cid_key, 16);
quicly_ctx_data->cid_key[16] = 0;
- key_vec =
- ptls_iovec_init (quicly_ctx_data->cid_key,
- strlen (quicly_ctx_data->cid_key));
+ key_vec = ptls_iovec_init (quicly_ctx_data->cid_key,
+ strlen (quicly_ctx_data->cid_key));
quicly_ctx->cid_encryptor =
quicly_new_default_cid_encryptor (&ptls_openssl_bfecb,
&ptls_openssl_aes128ecb,
@@ -969,14 +933,10 @@ quic_store_quicly_ctx (application_t * app, u8 is_client)
}
}
-/*****************************************************************************
- *
- * BEGIN TRANSPORT PROTO FUNCTIONS
- *
- *****************************************************************************/
+/* Transport proto functions */
static int
-quic_connect_new_stream (session_t * quic_session, u32 opaque)
+quic_connect_stream (session_t * quic_session, u32 opaque)
{
uint64_t quic_session_handle;
session_t *stream_session;
@@ -1008,8 +968,8 @@ quic_connect_new_stream (session_t * quic_session, u32 opaque)
sctx_index = quic_ctx_alloc (quic_session->thread_index); /* Allocate before we get pointers */
sctx = quic_ctx_get (sctx_index, quic_session->thread_index);
- qctx =
- quic_ctx_get (quic_session->connection_index, quic_session->thread_index);
+ qctx = quic_ctx_get (quic_session->connection_index,
+ quic_session->thread_index);
if (quic_ctx_is_stream (qctx))
{
QUIC_DBG (1, "session is a stream");
@@ -1079,9 +1039,9 @@ quic_connect_new_stream (session_t * quic_session, u32 opaque)
}
static int
-quic_connect_new_connection (session_endpoint_cfg_t * sep)
+quic_connect_connection (session_endpoint_cfg_t * sep)
{
- vnet_connect_args_t _cargs = { {}, }, *cargs = &_cargs;
+ vnet_connect_args_t _cargs, *cargs = &_cargs;
quic_main_t *qm = &quic_main;
quic_ctx_t *ctx;
app_worker_t *app_wrk;
@@ -1089,6 +1049,7 @@ quic_connect_new_connection (session_endpoint_cfg_t * sep)
u32 ctx_index;
int error;
+ clib_memset (cargs, 0, sizeof (*cargs));
ctx_index = quic_ctx_alloc (vlib_get_thread_index ());
ctx = quic_ctx_get (ctx_index, vlib_get_thread_index ());
ctx->parent_app_wrk_id = sep->app_wrk_index;
@@ -1103,8 +1064,8 @@ quic_connect_new_connection (session_endpoint_cfg_t * sep)
ctx->srv_hostname = format (0, "%v", sep->hostname);
else
/* needed by quic for crypto + determining client / server */
- ctx->srv_hostname =
- format (0, "%U", format_ip46_address, &sep->ip, sep->is_ip4);
+ ctx->srv_hostname = format (0, "%U", format_ip46_address,
+ &sep->ip, sep->is_ip4);
vec_terminate_c_string (ctx->srv_hostname);
clib_memcpy (&cargs->sep, sep, sizeof (session_endpoint_cfg_t));
@@ -1135,9 +1096,9 @@ quic_connect (transport_endpoint_cfg_t * tep)
quic_session = session_get_from_handle_if_valid (sep->parent_handle);
if (quic_session)
- return quic_connect_new_stream (quic_session, sep->opaque);
+ return quic_connect_stream (quic_session, sep->opaque);
else
- return quic_connect_new_connection (sep);
+ return quic_connect_connection (sep);
}
static void
@@ -1147,8 +1108,8 @@ quic_proto_on_close (u32 ctx_index, u32 thread_index)
if (!ctx)
return;
#if QUIC_DEBUG >= 2
- session_t *stream_session =
- session_get (ctx->c_s_index, ctx->c_thread_index);
+ session_t *stream_session = session_get (ctx->c_s_index,
+ ctx->c_thread_index);
clib_warning ("Closing session 0x%lx", session_handle (stream_session));
#endif
if (quic_ctx_is_stream (ctx))
@@ -1209,7 +1170,7 @@ quic_start_listen (u32 quic_listen_session_index, transport_endpoint_t * tep)
quic_store_quicly_ctx (app, 0 /* is_client */ );
sep->transport_proto = TRANSPORT_PROTO_UDPC;
- memset (args, 0, sizeof (*args));
+ clib_memset (args, 0, sizeof (*args));
args->app_index = qm->app_index;
args->sep_ext = *sep;
args->sep_ext.ns_index = app->ns_index;
@@ -1329,8 +1290,8 @@ format_quic_half_open (u8 * s, va_list * args)
u32 qc_index = va_arg (*args, u32);
u32 thread_index = va_arg (*args, u32);
quic_ctx_t *ctx = quic_ctx_get (qc_index, thread_index);
- s =
- format (s, "[#%d][Q] half-open app %u", thread_index, ctx->parent_app_id);
+ s = format (s, "[#%d][Q] half-open app %u", thread_index,
+ ctx->parent_app_id);
return s;
}
@@ -1346,12 +1307,7 @@ format_quic_listener (u8 * s, va_list * args)
return s;
}
-/*****************************************************************************
- * END TRANSPORT PROTO FUNCTIONS
- *
- * START SESSION CALLBACKS
- * Called from UDP layer
- *****************************************************************************/
+/* Session layer callbacks */
static inline void
quic_build_sockaddr (struct sockaddr *sa, socklen_t * salen,
@@ -1376,7 +1332,7 @@ quic_build_sockaddr (struct sockaddr *sa, socklen_t * salen,
}
static int
-quic_on_client_connected (quic_ctx_t * ctx)
+quic_on_quic_session_connected (quic_ctx_t * ctx)
{
session_t *quic_session;
app_worker_t *app_wrk;
@@ -1388,7 +1344,7 @@ quic_on_client_connected (quic_ctx_t * ctx)
if (!app_wrk)
{
quic_disconnect_transport (ctx);
- return -1;
+ return 0;
}
quic_session = session_alloc (thread_index);
@@ -1429,6 +1385,24 @@ quic_on_client_connected (quic_ctx_t * ctx)
return 0;
}
+static int
+quic_check_quic_session_connected (quic_ctx_t * ctx)
+{
+ /* Called when we need to trigger quic session connected
+ * we may call this function on the server side / at
+ * stream opening */
+
+ /* Conn may be set to null if the connection is terminated */
+ if (!ctx->conn || ctx->conn_state != QUIC_CONN_STATE_HANDSHAKE)
+ return 0;
+ if (!quicly_connection_is_ready (ctx->conn))
+ return 0;
+ ctx->conn_state = QUIC_CONN_STATE_READY;
+ if (!quicly_is_client (ctx->conn))
+ return 0;
+ return quic_on_quic_session_connected (ctx);
+}
+
static void
quic_receive_connection (void *arg)
{
@@ -1446,7 +1420,7 @@ quic_receive_connection (void *arg)
new_ctx_id);
- memcpy (new_ctx, temp_ctx, sizeof (quic_ctx_t));
+ clib_memcpy (new_ctx, temp_ctx, sizeof (quic_ctx_t));
clib_mem_free (temp_ctx);
new_ctx->c_thread_index = thread_index;
@@ -1464,9 +1438,7 @@ quic_receive_connection (void *arg)
/* Trigger write on this connection if necessary */
udp_session = session_get_from_handle (new_ctx->udp_session_handle);
if (svm_fifo_max_dequeue (udp_session->tx_fifo))
- if (session_send_io_evt_to_thread (udp_session->tx_fifo,
- SESSION_IO_EVT_TX))
- QUIC_DBG (4, "Cannot send TX event");
+ quic_set_udp_tx_evt (udp_session);
}
static void
@@ -1482,7 +1454,7 @@ quic_transfer_connection (u32 ctx_index, u32 dest_thread)
ASSERT (temp_ctx);
ctx = quic_ctx_get (ctx_index, thread_index);
- memcpy (temp_ctx, ctx, sizeof (quic_ctx_t));
+ clib_memcpy (temp_ctx, ctx, sizeof (quic_ctx_t));
/* Remove from timer wheel and thread-local pool */
if (ctx->timer_handle != QUIC_TIMER_HANDLE_INVALID)
@@ -1498,8 +1470,8 @@ quic_transfer_connection (u32 ctx_index, u32 dest_thread)
}
static int
-quic_session_connected_callback (u32 quic_app_index, u32 ctx_index,
- session_t * udp_session, u8 is_fail)
+quic_udp_session_connected_callback (u32 quic_app_index, u32 ctx_index,
+ session_t * udp_session, u8 is_fail)
{
QUIC_DBG (2, "QSession is now connected (id %u)",
udp_session->session_index);
@@ -1572,19 +1544,19 @@ quic_session_connected_callback (u32 quic_app_index, u32 ctx_index,
}
static void
-quic_session_disconnect_callback (session_t * s)
+quic_udp_session_disconnect_callback (session_t * s)
{
clib_warning ("UDP session disconnected???");
}
static void
-quic_session_reset_callback (session_t * s)
+quic_udp_session_reset_callback (session_t * s)
{
clib_warning ("UDP session reset???");
}
static void
-quic_session_migrate_callback (session_t * s, session_handle_t new_sh)
+quic_udp_session_migrate_callback (session_t * s, session_handle_t new_sh)
{
/*
* TODO we need better way to get the connection from the session
@@ -1614,7 +1586,7 @@ quic_session_migrate_callback (session_t * s, session_handle_t new_sh)
}
int
-quic_session_accepted_callback (session_t * udp_session)
+quic_udp_session_accepted_callback (session_t * udp_session)
{
/* New UDP connection, try to accept it */
u32 ctx_index;
@@ -1657,8 +1629,6 @@ quic_session_accepted_callback (session_t * udp_session)
static int
quic_add_segment_callback (u32 client_index, u64 seg_handle)
{
- QUIC_DBG (2, "Called quic_add_segment_callback");
- QUIC_DBG (2, "NOT IMPLEMENTED");
/* No-op for builtin */
return 0;
}
@@ -1666,8 +1636,6 @@ quic_add_segment_callback (u32 client_index, u64 seg_handle)
static int
quic_del_segment_callback (u32 client_index, u64 seg_handle)
{
- QUIC_DBG (2, "Called quic_del_segment_callback");
- QUIC_DBG (2, "NOT IMPLEMENTED");
/* No-op for builtin */
return 0;
}
@@ -1699,9 +1667,8 @@ quic_custom_tx_callback (void *s, u32 max_burst_size)
if (PREDICT_FALSE
(stream_session->session_state >= SESSION_STATE_TRANSPORT_CLOSING))
return 0;
- ctx =
- quic_ctx_get (stream_session->connection_index,
- stream_session->thread_index);
+ ctx = quic_ctx_get (stream_session->connection_index,
+ stream_session->thread_index);
if (PREDICT_FALSE (!quic_ctx_is_stream (ctx)))
{
goto tx_end; /* Most probably a reschedule */
@@ -1778,13 +1745,40 @@ quic_find_packet_ctx (u32 * ctx_thread, u32 * ctx_index,
}
static int
-quic_create_quic_session (quic_ctx_t * ctx)
+quic_accept_connection (u32 ctx_index, struct sockaddr *sa,
+ socklen_t salen, quicly_decoded_packet_t packet)
{
+ u32 thread_index = vlib_get_thread_index ();
+ quicly_context_t *quicly_ctx;
session_t *quic_session;
+ clib_bihash_kv_16_8_t kv;
app_worker_t *app_wrk;
+ quicly_conn_t *conn;
+ quic_ctx_t *ctx;
quic_ctx_t *lctx;
int rv;
+ /* new connection, accept and create context if packet is valid
+ * TODO: check if socket is actually listening? */
+ ctx = quic_ctx_get (ctx_index, thread_index);
+ quicly_ctx = quic_get_quicly_ctx_from_ctx (ctx);
+ if ((rv = quicly_accept (&conn, quicly_ctx, NULL, sa,
+ &packet, NULL, &quic_main.next_cid, NULL)))
+ {
+ /* Invalid packet, pass */
+ assert (conn == NULL);
+ QUIC_DBG (1, "Accept failed with %d", rv);
+ /* TODO: cleanup created quic ctx and UDP session */
+ return 0;
+ }
+ assert (conn != NULL);
+
+ ++quic_main.next_cid.master_id;
+ /* Save ctx handle in quicly connection */
+ quic_store_conn_ctx (conn, ctx);
+ ctx->conn = conn;
+ ctx->conn_state = QUIC_CONN_STATE_HANDSHAKE;
+
quic_session = session_alloc (ctx->c_thread_index);
QUIC_DBG (2, "Allocated quic_session, 0x%lx ctx %u",
session_handle (quic_session), ctx->c_c_index);
@@ -1813,42 +1807,6 @@ quic_create_quic_session (quic_ctx_t * ctx)
QUIC_DBG (1, "failed to notify accept worker app");
return rv;
}
- return 0;
-}
-
-static int
-quic_create_connection (u32 ctx_index, struct sockaddr *sa,
- socklen_t salen, quicly_decoded_packet_t packet)
-{
- clib_bihash_kv_16_8_t kv;
- quic_ctx_t *ctx;
- quicly_conn_t *conn;
- u32 thread_index = vlib_get_thread_index ();
- quicly_context_t *quicly_ctx;
- int rv;
-
- /* new connection, accept and create context if packet is valid
- * TODO: check if socket is actually listening? */
- ctx = quic_ctx_get (ctx_index, thread_index);
- quicly_ctx = quic_get_quicly_ctx_from_ctx (ctx);
- if ((rv = quicly_accept (&conn, quicly_ctx, NULL, sa,
- &packet, NULL, &quic_main.next_cid, NULL)))
- {
- /* Invalid packet, pass */
- assert (conn == NULL);
- QUIC_DBG (1, "Accept failed with %d", rv);
- /* TODO: cleanup created quic ctx and UDP session */
- return 0;
- }
- assert (conn != NULL);
-
- ++quic_main.next_cid.master_id;
- /* Save ctx handle in quicly connection */
- quic_store_conn_ctx (conn, ctx);
- ctx->conn = conn;
- ctx->conn_state = QUIC_CONN_STATE_HANDSHAKE;
-
- quic_create_quic_session (ctx);
/* Register connection in connections map */
quic_make_connection_key (&kv, quicly_get_master_id (conn));
@@ -1884,40 +1842,10 @@ quic_reset_connection (u64 udp_session_handle,
return 1;
udp_session = session_get_from_handle (udp_session_handle);
rv = quic_send_datagram (udp_session, dgram);
- if (svm_fifo_set_event (udp_session->tx_fifo))
- session_send_io_evt_to_thread (udp_session->tx_fifo, SESSION_IO_EVT_TX);
+ quic_set_udp_tx_evt (udp_session);
return rv;
}
-typedef struct quic_rx_packet_ctx_
-{
- quicly_decoded_packet_t packet;
- u8 data[QUIC_MAX_PACKET_SIZE];
- u32 ctx_index;
- u32 thread_index;
-} quic_rx_packet_ctx_t;
-
-static void
-check_quic_client_connected (struct quic_rx_packet_ctx_ *quic_rx_ctx)
-{
- /* ctx pointer may change if a new stream is opened */
- quic_ctx_t *ctx = quic_ctx_get (quic_rx_ctx->ctx_index,
- quic_rx_ctx->thread_index);
- /* Conn may be set to null if the connection is terminated */
- if (ctx->conn && ctx->conn_state == QUIC_CONN_STATE_HANDSHAKE)
- {
- if (quicly_connection_is_ready (ctx->conn))
- {
- ctx->conn_state = QUIC_CONN_STATE_READY;
- if (quicly_is_client (ctx->conn))
- {
- quic_on_client_connected (ctx);
- }
- }
- }
-
-}
-
static int
quic_process_one_rx_packet (u64 udp_session_handle,
quicly_context_t * quicly_ctx, svm_fifo_t * f,
@@ -1965,9 +1893,8 @@ quic_process_one_rx_packet (u64 udp_session_handle,
/* Quicly can read len bytes from the fifo at offset:
* ph.data_offset + SESSION_CONN_HDR_LEN */
- ret =
- svm_fifo_peek (f, SESSION_CONN_HDR_LEN + *fifo_offset, ph.data_length,
- packet_ctx->data);
+ ret = svm_fifo_peek (f, SESSION_CONN_HDR_LEN + *fifo_offset,
+ ph.data_length, packet_ctx->data);
if (ret != ph.data_length)
{
QUIC_DBG (1, "Not enough data peeked in RX");
@@ -1978,9 +1905,8 @@ quic_process_one_rx_packet (u64 udp_session_handle,
rv = 0;
quic_build_sockaddr (sa, &salen, &ph.rmt_ip, ph.rmt_port, ph.is_ip4);
quicly_ctx = quic_get_quicly_ctx_from_udp (udp_session_handle);
- plen =
- quicly_decode_packet (quicly_ctx, &packet_ctx->packet, packet_ctx->data,
- ph.data_length);
+ plen = quicly_decode_packet (quicly_ctx, &packet_ctx->packet,
+ packet_ctx->data, ph.data_length);
if (plen == SIZE_MAX)
{
@@ -1988,9 +1914,9 @@ quic_process_one_rx_packet (u64 udp_session_handle,
return 1;
}
- err =
- quic_find_packet_ctx (&packet_ctx->thread_index, &packet_ctx->ctx_index,
- sa, salen, &packet_ctx->packet, thread_index);
+ err = quic_find_packet_ctx (&packet_ctx->thread_index,
+ &packet_ctx->ctx_index, sa, salen,
+ &packet_ctx->packet, thread_index);
if (err == 0)
{
ctx = quic_ctx_get (packet_ctx->ctx_index, thread_index);
@@ -2010,22 +1936,22 @@ quic_process_one_rx_packet (u64 udp_session_handle,
/* Try to find matching "opening" ctx */
opening_ctx_pool = quic_main.wrk_ctx[thread_index].opening_ctx_pool;
- /* *INDENT-OFF* */
- pool_foreach (ctx_index_ptr, opening_ctx_pool,
- ({
- ctx = quic_ctx_get (*ctx_index_ptr, thread_index);
- if (ctx->udp_session_handle == udp_session_handle)
- {
- /* Right ctx found, create conn & remove from pool */
- quic_create_connection(*ctx_index_ptr, sa, salen, packet_ctx->packet);
- *max_packet = packet_n + 1;
- packet_ctx->thread_index = thread_index;
- packet_ctx->ctx_index = *ctx_index_ptr;
- pool_put (opening_ctx_pool, ctx_index_ptr);
- goto updateOffset;
- }
- }));
- /* *INDENT-ON* */
+ /* *INDENT-OFF* */
+ pool_foreach (ctx_index_ptr, opening_ctx_pool,
+ ({
+ ctx = quic_ctx_get (*ctx_index_ptr, thread_index);
+ if (ctx->udp_session_handle == udp_session_handle)
+ {
+ /* Right ctx found, create conn & remove from pool */
+ quic_accept_connection (*ctx_index_ptr, sa, salen, packet_ctx->packet);
+ *max_packet = packet_n + 1;
+ packet_ctx->thread_index = thread_index;
+ packet_ctx->ctx_index = *ctx_index_ptr;
+ pool_put (opening_ctx_pool, ctx_index_ptr);
+ goto updateOffset;
+ }
+ }));
+ /* *INDENT-ON* */
}
else
{
@@ -2039,7 +1965,7 @@ updateOffset:
}
static int
-quic_app_rx_callback (session_t * udp_session)
+quic_udp_session_rx_callback (session_t * udp_session)
{
/* Read data from UDP rx_fifo and pass it to the quicly conn. */
application_t *app;
@@ -2049,51 +1975,46 @@ quic_app_rx_callback (session_t * udp_session)
u32 app_index = udp_session->opaque;
u64 udp_session_handle = session_handle (udp_session);
int rv = 0;
- app = application_get_if_valid (app_index);
u32 thread_index = vlib_get_thread_index ();
quic_rx_packet_ctx_t packets_ctx[16];
+ u32 i, fifo_offset, max_packets;
- if (!app)
+ if (!(app = application_get_if_valid (app_index)))
{
QUIC_DBG (1, "Got RX on detached app");
/* TODO: close this session, cleanup state? */
return 1;
}
- do
+ while (1)
{
udp_session = session_get_from_handle (udp_session_handle); /* session alloc might have happened */
f = udp_session->rx_fifo;
max_deq = svm_fifo_max_dequeue (f);
if (max_deq == 0)
- {
- return 0;
- }
+ return 0;
- u32 fifo_offset = 0;
- u32 max_packets = 16;
- for (int i = 0; i < max_packets; i++)
- {
- quic_process_one_rx_packet (udp_session_handle,
- (quicly_context_t *) app->quicly_ctx, f,
- &fifo_offset, &max_packets, i,
- &packets_ctx[i]);
- }
+ fifo_offset = 0;
+ max_packets = 16;
+ for (i = 0; i < max_packets; i++)
+ quic_process_one_rx_packet (udp_session_handle,
+ (quicly_context_t *) app->quicly_ctx, f,
+ &fifo_offset, &max_packets, i,
+ &packets_ctx[i]);
- for (int i = 0; i < max_packets; i++)
+ for (i = 0; i < max_packets; i++)
{
if (packets_ctx[i].thread_index != thread_index)
continue;
-
- check_quic_client_connected (&packets_ctx[i]);
- ctx =
- quic_ctx_get (packets_ctx[i].ctx_index,
- packets_ctx[i].thread_index);
+ ctx = quic_ctx_get (packets_ctx[i].ctx_index,
+ packets_ctx[i].thread_index);
+ quic_check_quic_session_connected (ctx);
+ ctx = quic_ctx_get (packets_ctx[i].ctx_index,
+ packets_ctx[i].thread_index);
quic_send_packets (ctx);
}
svm_fifo_dequeue_drop (f, fifo_offset);
}
- while (1);
return rv;
}
@@ -2135,20 +2056,16 @@ quic_get_transport_endpoint (u32 ctx_index, u32 thread_index,
quic_common_get_transport_endpoint (ctx, tep, is_lcl);
}
-/*****************************************************************************
- * END TRANSPORT PROTO FUNCTIONS
-*****************************************************************************/
-
/* *INDENT-OFF* */
static session_cb_vft_t quic_app_cb_vft = {
- .session_accept_callback = quic_session_accepted_callback,
- .session_disconnect_callback = quic_session_disconnect_callback,
- .session_connected_callback = quic_session_connected_callback,
- .session_reset_callback = quic_session_reset_callback,
- .session_migrate_callback = quic_session_migrate_callback,
+ .session_accept_callback = quic_udp_session_accepted_callback,
+ .session_disconnect_callback = quic_udp_session_disconnect_callback,
+ .session_connected_callback = quic_udp_session_connected_callback,
+ .session_reset_callback = quic_udp_session_reset_callback,
+ .session_migrate_callback = quic_udp_session_migrate_callback,
.add_segment_callback = quic_add_segment_callback,
.del_segment_callback = quic_del_segment_callback,
- .builtin_app_rx_callback = quic_app_rx_callback,
+ .builtin_app_rx_callback = quic_udp_session_rx_callback,
};
static const transport_proto_vft_t quic_proto = {
@@ -2213,8 +2130,8 @@ quic_init (vlib_main_t * vm)
num_threads = 1 /* main thread */ + vtm->n_threads;
- memset (a, 0, sizeof (*a));
- memset (options, 0, sizeof (options));
+ clib_memset (a, 0, sizeof (*a));
+ clib_memset (options, 0, sizeof (options));
a->session_cb_vft = &quic_app_cb_vft;
a->api_client_index = APP_INVALID_INDEX;
@@ -2354,7 +2271,7 @@ quic_plugin_showstats_command_fn (vlib_main_t * vm,
}
/* *INDENT-OFF* */
-VLIB_CLI_COMMAND(quic_plugin_crypto_command, static)=
+VLIB_CLI_COMMAND (quic_plugin_crypto_command, static) =
{
.path = "quic set crypto api",
.short_help = "quic set crypto api [picotls, vpp]",