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authorNathan Skrzypczak <nathan.skrzypczak@gmail.com>2019-06-14 16:44:38 +0200
committerDamjan Marion <dmarion@me.com>2019-06-18 10:10:03 +0000
commit376efe5df22dcb381fd687a0986f85035c38bed5 (patch)
tree82110fcfa004269d6545a7b141b21128a41e7b62 /src/plugins/quic/quic.c
parente849865fb8819a3980658b251a8e24595170d436 (diff)
quic: fix handling of stream reset & close
Type: refactor Change-Id: I4981704e3c886d90d482a1deba42633e92626743 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
Diffstat (limited to 'src/plugins/quic/quic.c')
-rw-r--r--src/plugins/quic/quic.c97
1 files changed, 63 insertions, 34 deletions
diff --git a/src/plugins/quic/quic.c b/src/plugins/quic/quic.c
index a5dbd8d18a3..16ad2c1cdb0 100644
--- a/src/plugins/quic/quic.c
+++ b/src/plugins/quic/quic.c
@@ -34,7 +34,7 @@ static quic_main_t quic_main;
static void quic_update_timer (quic_ctx_t * ctx);
static void quic_connection_closed (u32 conn_index, u32 thread_index);
-static void quic_disconnect (u32 ctx_index, u32 thread_index);
+static void quic_proto_on_close (u32 ctx_index, u32 thread_index);
static int quic_connect_new_stream (session_endpoint_cfg_t * sep);
static int quic_connect_new_connection (session_endpoint_cfg_t * sep);
@@ -60,6 +60,10 @@ static void quic_transfer_connection (u32 ctx_index, u32 dest_thread);
#define QUIC_FIFO_SIZE (64 << 10)
#define QUIC_ERROR_FULL_FIFO 0xff10
+#define QUIC_APP_ERROR_NONE QUICLY_ERROR_FROM_APPLICATION_ERROR_CODE(0x1)
+#define QUIC_APP_ALLOCATION_ERROR QUICLY_ERROR_FROM_APPLICATION_ERROR_CODE(0x1)
+#define QUIC_APP_ACCEPT_NOTIFY_ERROR QUICLY_ERROR_FROM_APPLICATION_ERROR_CODE(0x2)
+#define QUIC_APP_CONNECT_NOTIFY_ERROR QUICLY_ERROR_FROM_APPLICATION_ERROR_CODE(0x3)
static char *
quic_format_err (u64 code)
@@ -73,7 +77,7 @@ quic_format_err (u64 code)
case QUICLY_ERROR_SENDBUF_FULL:
return "QUICLY_ERROR_SENDBUF_FULL";
case QUICLY_ERROR_FREE_CONNECTION:
- return "no open stream on connection";
+ return "QUICLY_ERROR_FREE_CONNECTION";
case QUICLY_ERROR_RECEIVED_STATELESS_RESET:
return "QUICLY_ERROR_RECEIVED_STATELESS_RESET";
case QUICLY_TRANSPORT_ERROR_NONE:
@@ -169,7 +173,6 @@ quic_disconnect_transport (quic_ctx_t * ctx)
static int
quic_send_datagram (session_t * udp_session, quicly_datagram_t * packet)
{
- /* QUIC_DBG (2, "Called quic_send_datagram at %ld", quic_get_time (NULL)); */
u32 max_enqueue;
session_dgram_hdr_t hdr;
u32 len, ret;
@@ -316,7 +319,8 @@ stop_sending:
return 0;
quicly_error:
- if (err != QUICLY_ERROR_PACKET_IGNORED)
+ if ((err != QUICLY_ERROR_PACKET_IGNORED) & (err !=
+ QUICLY_ERROR_FREE_CONNECTION))
clib_warning ("Quic error '%s'.", quic_format_err (err));
quic_connection_closed (ctx->c_c_index, ctx->c_thread_index);
return 1;
@@ -331,28 +335,50 @@ static void
quic_on_stream_destroy (quicly_stream_t * stream, int err)
{
quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data;
- u32 sctx_id = stream_data->ctx_id;
- session_t *stream_session;
- quic_ctx_t *sctx = quic_ctx_get (sctx_id, stream_data->thread_index);
- QUIC_DBG (2, "Stream %ld (ctx %u) destroyed", stream->stream_id, sctx_id);
- 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 (code 0x%x)",
+ session_handle (stream_session), err);
+
stream_session->session_state = SESSION_STATE_CLOSED;
session_transport_delete_notify (&sctx->connection);
+
quic_ctx_free (sctx);
free (stream->data);
}
static int
-quic_on_stop_sending (quicly_stream_t * stream, int error_code)
+quic_on_stop_sending (quicly_stream_t * stream, int err)
{
- QUIC_DBG (2, "received STOP_SENDING: %d", error_code);
+#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);
+ clib_warning ("(NOT IMPLEMENTD) STOP_SENDING: session 0x%lx (code 0x%x)",
+ session_handle (stream_session), err);
+#endif
+ /* TODO : handle STOP_SENDING */
return 0;
}
static int
-quic_on_receive_reset (quicly_stream_t * stream, int error_code)
+quic_on_receive_reset (quicly_stream_t * stream, int err)
{
- QUIC_DBG (2, "received RESET_STREAM: %d", error_code);
+ 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);
+#if QUIC_DEBUG >= 2
+ session_t *stream_session =
+ session_get (sctx->c_s_index, sctx->c_thread_index);
+ clib_warning ("RESET_STREAM: session 0x%lx (code 0x%x)",
+ session_handle (stream_session), err);
+#endif
+
+ session_transport_closing_notify (&sctx->connection);
return 0;
}
@@ -529,7 +555,7 @@ quic_accept_stream (void *s)
{
QUIC_DBG (1, "failed to allocate fifos");
session_free (stream_session);
- quicly_reset_stream (stream, 0x30001);
+ quicly_reset_stream (stream, QUIC_APP_ALLOCATION_ERROR);
return;
}
@@ -538,7 +564,7 @@ quic_accept_stream (void *s)
{
QUIC_DBG (1, "failed to notify accept worker app");
session_free_w_fifos (stream_session);
- quicly_reset_stream (stream, 0x30002);
+ quicly_reset_stream (stream, QUIC_APP_ACCEPT_NOTIFY_ERROR);
return;
}
session_lookup_add_connection (&sctx->connection,
@@ -888,7 +914,6 @@ quic_connection_closed (u32 ctx_index, u32 thread_index)
QUIC_DBG (2, "Deleting conn with id %lu %lu", kv.key[0], kv.key[1]);
clib_bihash_add_del_16_8 (&quic_main.connection_hash, &kv, 0 /* is_add */ );
- // session_close (session_get_from_handle (ctx->c_quic_ctx_id.udp_session_handle));
quic_disconnect_transport (ctx);
session_transport_delete_notify (&ctx->connection);
/* Do not try to send anything anymore */
@@ -1182,7 +1207,7 @@ quic_connect_new_stream (session_endpoint_cfg_t * sep)
if (app_worker_init_connected (app_wrk, stream_session))
{
QUIC_DBG (1, "failed to app_worker_init_connected");
- quicly_reset_stream (stream, 0x30003);
+ quicly_reset_stream (stream, QUIC_APP_ALLOCATION_ERROR);
session_free_w_fifos (stream_session);
quic_ctx_free (sctx);
return app_worker_connect_notify (app_wrk, NULL, sep->opaque);
@@ -1192,7 +1217,7 @@ quic_connect_new_stream (session_endpoint_cfg_t * sep)
if (app_worker_connect_notify (app_wrk, stream_session, sep->opaque))
{
QUIC_DBG (1, "failed to notify app");
- quicly_reset_stream (stream, 0x30004);
+ quicly_reset_stream (stream, QUIC_APP_CONNECT_NOTIFY_ERROR);
session_free_w_fifos (stream_session);
quic_ctx_free (sctx);
return -1;
@@ -1256,30 +1281,34 @@ quic_connect_new_connection (session_endpoint_cfg_t * sep)
}
static void
-quic_disconnect (u32 ctx_index, u32 thread_index)
+quic_proto_on_close (u32 ctx_index, u32 thread_index)
{
- QUIC_DBG (2, "Called quic_disconnect");
- quic_ctx_t *ctx;
-
- ctx = quic_ctx_get (ctx_index, thread_index);
+ quic_ctx_t *ctx = quic_ctx_get (ctx_index, thread_index);
if (ctx->c_quic_ctx_id.is_stream)
{
- QUIC_DBG (2, "Closing stream %x, session %x", ctx_index,
- ctx->c_s_index);
+#if QUIC_DEBUG >= 2
+ session_t *stream_session =
+ session_get (ctx->c_s_index, ctx->c_thread_index);
+ clib_warning ("Closing Ssession 0x%lx",
+ session_handle (stream_session));
+#endif
quicly_stream_t *stream = ctx->c_quic_ctx_id.stream;
- quicly_reset_stream (stream, 0x30000);
+ quicly_reset_stream (stream, QUIC_APP_ERROR_NONE);
}
else
{
- QUIC_DBG (2, "Closing connection %x, session %x", ctx_index,
- ctx->c_s_index);
+#if QUIC_DEBUG >= 2
+ session_t *quic_session =
+ session_get (ctx->c_s_index, ctx->c_thread_index);
+ clib_warning ("Closing Qsession 0x%lx", session_handle (quic_session));
+#endif
quicly_conn_t *conn = ctx->c_quic_ctx_id.conn;
/* Start connection closing. Keep sending packets until quicly_send
returns QUICLY_ERROR_FREE_CONNECTION */
quicly_close (conn, 0, "");
/* This also causes all streams to be closed (and the cb called) */
- quic_send_packets (ctx);
}
+ quic_send_packets (ctx);
}
static u32
@@ -1338,7 +1367,7 @@ quic_stop_listen (u32 lctx_index)
QUIC_DBG (2, "Called quic_stop_listen");
quic_ctx_t *lctx;
- lctx = quic_ctx_get (lctx_index, 0); /* listener */
+ lctx = quic_ctx_get (lctx_index, 0);
vnet_unlisten_args_t a = {
.handle = lctx->c_quic_ctx_id.udp_session_handle,
.app_index = quic_main.app_index,
@@ -1349,7 +1378,7 @@ quic_stop_listen (u32 lctx_index)
/* TODO: crypto state cleanup */
- quic_ctx_free (lctx); /* listener */
+ quic_ctx_free (lctx);
return 0;
}
@@ -1503,7 +1532,7 @@ quic_notify_app_connected (quic_ctx_t * ctx)
if (app_worker_init_connected (app_wrk, quic_session))
{
QUIC_DBG (1, "failed to app_worker_init_connected");
- quic_disconnect (ctx_id, thread_index);
+ quic_proto_on_close (ctx_id, thread_index);
return app_worker_connect_notify (app_wrk, NULL, ctx->client_opaque);
}
@@ -1511,7 +1540,7 @@ quic_notify_app_connected (quic_ctx_t * ctx)
if (app_worker_connect_notify (app_wrk, quic_session, ctx->client_opaque))
{
QUIC_DBG (1, "failed to notify app");
- quic_disconnect (ctx_id, thread_index);
+ quic_proto_on_close (ctx_id, thread_index);
return -1;
}
@@ -2203,7 +2232,7 @@ static session_cb_vft_t quic_app_cb_vft = {
static const transport_proto_vft_t quic_proto = {
.connect = quic_connect,
- .close = quic_disconnect,
+ .close = quic_proto_on_close,
.start_listen = quic_start_listen,
.stop_listen = quic_stop_listen,
.get_connection = quic_connection_get,