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-rw-r--r--src/svm/svm_fifo.c19
-rw-r--r--src/svm/svm_fifo.h6
-rw-r--r--src/tests/vnet/session/udp_echo.c475
-rw-r--r--src/vnet/session-apps/echo_client.c114
-rw-r--r--src/vnet/session-apps/echo_client.h9
-rw-r--r--src/vnet/session-apps/echo_server.c104
-rw-r--r--src/vnet/session/application.c13
-rw-r--r--src/vnet/session/application_interface.h157
-rw-r--r--src/vnet/session/session.api28
-rw-r--r--src/vnet/session/session.c95
-rw-r--r--src/vnet/session/session.h40
-rwxr-xr-xsrc/vnet/session/session_api.c41
-rwxr-xr-xsrc/vnet/session/session_cli.c5
-rw-r--r--src/vnet/session/session_node.c134
-rw-r--r--src/vnet/session/stream_session.h27
-rw-r--r--src/vnet/session/transport.c16
-rw-r--r--src/vnet/session/transport.h19
-rw-r--r--src/vnet/session/transport_interface.h6
-rw-r--r--src/vnet/udp/udp.c56
-rw-r--r--src/vnet/udp/udp.h8
-rw-r--r--src/vnet/udp/udp_input.c180
21 files changed, 1105 insertions, 447 deletions
diff --git a/src/svm/svm_fifo.c b/src/svm/svm_fifo.c
index b2c8e5bdb16..3552192a768 100644
--- a/src/svm/svm_fifo.c
+++ b/src/svm/svm_fifo.c
@@ -169,6 +169,9 @@ format_svm_fifo (u8 * s, va_list * args)
svm_fifo_t *f = va_arg (*args, svm_fifo_t *);
int verbose = va_arg (*args, int);
+ if (!s)
+ return s;
+
s = format (s, "cursize %u nitems %u has_event %d\n",
f->cursize, f->nitems, f->has_event);
s = format (s, " head %d tail %d\n", f->head, f->tail);
@@ -459,7 +462,7 @@ svm_fifo_enqueue_internal (svm_fifo_t * f, u32 max_bytes,
f->ooos_newest = OOO_SEGMENT_INVALID_INDEX;
if (PREDICT_FALSE (cursize == f->nitems))
- return -2; /* fifo stuffed */
+ return SVM_FIFO_FULL;
nitems = f->nitems;
@@ -615,6 +618,20 @@ svm_fifo_enqueue_with_offset (svm_fifo_t * f,
copy_from_here);
}
+void
+svm_fifo_overwrite_head (svm_fifo_t * f, u8 * data, u32 len)
+{
+ u32 first_chunk;
+ ASSERT (len <= f->nitems);
+ if (len < f->nitems - f->head)
+ clib_memcpy (&f->data[f->head], data, len);
+ else
+ {
+ first_chunk = len - (f->nitems - f->head);
+ clib_memcpy (&f->data[f->head], data, first_chunk);
+ clib_memcpy (f->data, data + first_chunk, len - first_chunk);
+ }
+}
static int
svm_fifo_dequeue_internal (svm_fifo_t * f, u32 max_bytes, u8 * copy_here)
diff --git a/src/svm/svm_fifo.h b/src/svm/svm_fifo.h
index d06d77a42f7..39cdcc06a0c 100644
--- a/src/svm/svm_fifo.h
+++ b/src/svm/svm_fifo.h
@@ -80,6 +80,11 @@ typedef struct _svm_fifo
CLIB_CACHE_LINE_ALIGN_MARK (data);
} svm_fifo_t;
+typedef enum
+{
+ SVM_FIFO_FULL = -2,
+} svm_fifo_err_t;
+
#if SVM_FIFO_TRACE
#define svm_fifo_trace_add(_f, _s, _l, _t) \
{ \
@@ -150,6 +155,7 @@ int svm_fifo_dequeue_drop (svm_fifo_t * f, u32 max_bytes);
u32 svm_fifo_number_ooo_segments (svm_fifo_t * f);
ooo_segment_t *svm_fifo_first_ooo_segment (svm_fifo_t * f);
void svm_fifo_init_pointers (svm_fifo_t * f, u32 pointer);
+void svm_fifo_overwrite_head (svm_fifo_t * f, u8 * data, u32 len);
format_function_t format_svm_fifo;
diff --git a/src/tests/vnet/session/udp_echo.c b/src/tests/vnet/session/udp_echo.c
index d1363fc7104..fe5461d2c59 100644
--- a/src/tests/vnet/session/udp_echo.c
+++ b/src/tests/vnet/session/udp_echo.c
@@ -58,12 +58,6 @@ typedef enum
typedef struct
{
- svm_fifo_t *server_rx_fifo;
- svm_fifo_t *server_tx_fifo;
-} session_t;
-
-typedef struct
-{
/* vpe input queue */
svm_queue_t *vl_input_queue;
@@ -71,10 +65,13 @@ typedef struct
u32 my_client_index;
/* The URI we're playing with */
- u8 *uri;
+ u8 *listen_uri;
+
+ /* URI for connect */
+ u8 *connect_uri;
/* Session pool */
- session_t *sessions;
+ app_session_t *sessions;
/* Hash table for disconnect processing */
uword *session_index_by_vpp_handles;
@@ -85,10 +82,9 @@ typedef struct
/* intermediate rx buffer */
u8 *rx_buf;
- /* URI for connect */
- u8 *connect_uri;
-
- int i_am_master;
+ u32 fifo_size;
+ int i_am_server;
+ u8 is_connected;
/* Our event queue */
svm_queue_t *our_event_queue;
@@ -128,7 +124,8 @@ typedef struct
u8 *connect_test_data;
uword *segments_table;
-} uri_udp_test_main_t;
+ u8 do_echo;
+} udp_echo_main_t;
#if CLIB_DEBUG > 0
#define NITER 10000
@@ -136,12 +133,12 @@ typedef struct
#define NITER 4000000
#endif
-uri_udp_test_main_t uri_udp_test_main;
+udp_echo_main_t udp_echo_main;
static void
stop_signal (int signum)
{
- uri_udp_test_main_t *um = &uri_udp_test_main;
+ udp_echo_main_t *um = &udp_echo_main;
um->time_to_stop = 1;
}
@@ -149,7 +146,7 @@ stop_signal (int signum)
static void
stats_signal (int signum)
{
- uri_udp_test_main_t *um = &uri_udp_test_main;
+ udp_echo_main_t *um = &udp_echo_main;
um->time_to_print_stats = 1;
}
@@ -164,11 +161,146 @@ setup_signal_handlers (void)
return 0;
}
+uword
+unformat_ip4_address (unformat_input_t * input, va_list * args)
+{
+ u8 *result = va_arg (*args, u8 *);
+ unsigned a[4];
+
+ if (!unformat (input, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]))
+ return 0;
+
+ if (a[0] >= 256 || a[1] >= 256 || a[2] >= 256 || a[3] >= 256)
+ return 0;
+
+ result[0] = a[0];
+ result[1] = a[1];
+ result[2] = a[2];
+ result[3] = a[3];
+
+ return 1;
+}
+
+uword
+unformat_ip6_address (unformat_input_t * input, va_list * args)
+{
+ ip6_address_t *result = va_arg (*args, ip6_address_t *);
+ u16 hex_quads[8];
+ uword hex_quad, n_hex_quads, hex_digit, n_hex_digits;
+ uword c, n_colon, double_colon_index;
+
+ n_hex_quads = hex_quad = n_hex_digits = n_colon = 0;
+ double_colon_index = ARRAY_LEN (hex_quads);
+ while ((c = unformat_get_input (input)) != UNFORMAT_END_OF_INPUT)
+ {
+ hex_digit = 16;
+ if (c >= '0' && c <= '9')
+ hex_digit = c - '0';
+ else if (c >= 'a' && c <= 'f')
+ hex_digit = c + 10 - 'a';
+ else if (c >= 'A' && c <= 'F')
+ hex_digit = c + 10 - 'A';
+ else if (c == ':' && n_colon < 2)
+ n_colon++;
+ else
+ {
+ unformat_put_input (input);
+ break;
+ }
+
+ /* Too many hex quads. */
+ if (n_hex_quads >= ARRAY_LEN (hex_quads))
+ return 0;
+
+ if (hex_digit < 16)
+ {
+ hex_quad = (hex_quad << 4) | hex_digit;
+
+ /* Hex quad must fit in 16 bits. */
+ if (n_hex_digits >= 4)
+ return 0;
+
+ n_colon = 0;
+ n_hex_digits++;
+ }
+
+ /* Save position of :: */
+ if (n_colon == 2)
+ {
+ /* More than one :: ? */
+ if (double_colon_index < ARRAY_LEN (hex_quads))
+ return 0;
+ double_colon_index = n_hex_quads;
+ }
+
+ if (n_colon > 0 && n_hex_digits > 0)
+ {
+ hex_quads[n_hex_quads++] = hex_quad;
+ hex_quad = 0;
+ n_hex_digits = 0;
+ }
+ }
+
+ if (n_hex_digits > 0)
+ hex_quads[n_hex_quads++] = hex_quad;
+
+ {
+ word i;
+
+ /* Expand :: to appropriate number of zero hex quads. */
+ if (double_colon_index < ARRAY_LEN (hex_quads))
+ {
+ word n_zero = ARRAY_LEN (hex_quads) - n_hex_quads;
+
+ for (i = n_hex_quads - 1; i >= (signed) double_colon_index; i--)
+ hex_quads[n_zero + i] = hex_quads[i];
+
+ for (i = 0; i < n_zero; i++)
+ hex_quads[double_colon_index + i] = 0;
+
+ n_hex_quads = ARRAY_LEN (hex_quads);
+ }
+
+ /* Too few hex quads given. */
+ if (n_hex_quads < ARRAY_LEN (hex_quads))
+ return 0;
+
+ for (i = 0; i < ARRAY_LEN (hex_quads); i++)
+ result->as_u16[i] = clib_host_to_net_u16 (hex_quads[i]);
+
+ return 1;
+ }
+}
+
+uword
+unformat_uri (unformat_input_t * input, va_list * args)
+{
+ session_endpoint_extended_t *sep = va_arg (*args,
+ session_endpoint_extended_t *);
+ u32 port;
+ char *tmp;
+
+ if (unformat (input, "%s://%U/%d", &tmp, unformat_ip4_address, &sep->ip.ip4,
+ &port))
+ {
+ sep->port = clib_host_to_net_u16 (port);
+ sep->is_ip4 = 1;
+ return 1;
+ }
+ else if (unformat (input, "%s://%U/%d", &tmp, unformat_ip6_address,
+ &sep->ip.ip6, &port))
+ {
+ sep->port = clib_host_to_net_u16 (port);
+ sep->is_ip4 = 0;
+ return 1;
+ }
+ return 0;
+}
+
void
-application_send_attach (uri_udp_test_main_t * utm)
+application_send_attach (udp_echo_main_t * utm)
{
vl_api_application_attach_t *bmp;
- u32 fifo_size = 1 << 20;
bmp = vl_msg_api_alloc (sizeof (*bmp));
memset (bmp, 0, sizeof (*bmp));
@@ -179,8 +311,8 @@ application_send_attach (uri_udp_test_main_t * utm)
bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 2;
- bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size;
- bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size;
+ bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = utm->fifo_size;
+ bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = utm->fifo_size;
bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
bmp->options[APP_OPTIONS_SEGMENT_SIZE] = 256 << 20;
bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = 16768;
@@ -188,7 +320,7 @@ application_send_attach (uri_udp_test_main_t * utm)
}
void
-application_detach (uri_udp_test_main_t * utm)
+application_detach (udp_echo_main_t * utm)
{
vl_api_application_detach_t *bmp;
bmp = vl_msg_api_alloc (sizeof (*bmp));
@@ -204,7 +336,7 @@ static void
vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
mp)
{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
+ udp_echo_main_t *utm = &udp_echo_main;
svm_fifo_segment_create_args_t _a = { 0 }, *a = &_a;
int rv;
@@ -250,7 +382,7 @@ vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
u8 *
format_api_error (u8 * s, va_list * args)
{
- uri_udp_test_main_t *utm = va_arg (*args, uri_udp_test_main_t *);
+ udp_echo_main_t *utm = va_arg (*args, udp_echo_main_t *);
i32 error = va_arg (*args, u32);
uword *p;
@@ -264,7 +396,7 @@ format_api_error (u8 * s, va_list * args)
}
int
-wait_for_state_change (uri_udp_test_main_t * utm, connection_state_t state)
+wait_for_state_change (udp_echo_main_t * utm, connection_state_t state)
{
#if CLIB_DEBUG > 0
#define TIMEOUT 600.0
@@ -287,11 +419,11 @@ u64 server_bytes_received, server_bytes_sent;
static void *
cut_through_thread_fn (void *arg)
{
- session_t *s;
+ app_session_t *s;
svm_fifo_t *rx_fifo;
svm_fifo_t *tx_fifo;
u8 *my_copy_buffer = 0;
- uri_udp_test_main_t *utm = &uri_udp_test_main;
+ udp_echo_main_t *utm = &udp_echo_main;
i32 actual_transfer;
int rv;
u32 buffer_offset;
@@ -301,8 +433,8 @@ cut_through_thread_fn (void *arg)
s = pool_elt_at_index (utm->sessions, utm->cut_through_session_index);
- rx_fifo = s->server_rx_fifo;
- tx_fifo = s->server_tx_fifo;
+ rx_fifo = s->rx_fifo;
+ tx_fifo = s->tx_fifo;
vec_validate (my_copy_buffer, 64 * 1024 - 1);
@@ -340,7 +472,7 @@ cut_through_thread_fn (void *arg)
}
static void
-udp_client_connect (uri_udp_test_main_t * utm)
+udp_client_connect (udp_echo_main_t * utm)
{
vl_api_connect_uri_t *cmp;
cmp = vl_msg_api_alloc (sizeof (*cmp));
@@ -354,7 +486,7 @@ udp_client_connect (uri_udp_test_main_t * utm)
}
static void
-client_send_cut_through (uri_udp_test_main_t * utm, session_t * session)
+client_send_cut_through (udp_echo_main_t * utm, app_session_t * session)
{
int i;
u8 *test_data = 0;
@@ -372,8 +504,8 @@ client_send_cut_through (uri_udp_test_main_t * utm, session_t * session)
for (i = 0; i < vec_len (test_data); i++)
test_data[i] = i & 0xff;
- rx_fifo = session->server_rx_fifo;
- tx_fifo = session->server_tx_fifo;
+ rx_fifo = session->rx_fifo;
+ tx_fifo = session->tx_fifo;
before = clib_time_now (&utm->clib_time);
@@ -456,15 +588,12 @@ client_send_cut_through (uri_udp_test_main_t * utm, session_t * session)
}
static void
-send_test_chunk (uri_udp_test_main_t * utm, svm_fifo_t * tx_fifo, int mypid,
- u32 bytes)
+send_test_chunk (udp_echo_main_t * utm, app_session_t * s, u32 bytes)
{
u8 *test_data = utm->connect_test_data;
- u64 bytes_sent = 0;
int test_buf_offset = 0;
+ u64 bytes_sent = 0;
u32 bytes_to_snd;
- u32 queue_max_chunk = 128 << 10, actual_write;
- session_fifo_event_t evt;
int rv;
bytes_to_snd = (bytes == 0) ? vec_len (test_data) : bytes;
@@ -473,62 +602,27 @@ send_test_chunk (uri_udp_test_main_t * utm, svm_fifo_t * tx_fifo, int mypid,
while (bytes_to_snd > 0 && !utm->time_to_stop)
{
- actual_write = (bytes_to_snd > queue_max_chunk) ?
- queue_max_chunk : bytes_to_snd;
- rv = svm_fifo_enqueue_nowait (tx_fifo, actual_write,
- test_data + test_buf_offset);
-
+ rv = app_send (s, test_data + test_buf_offset, bytes_to_snd, 0);
if (rv > 0)
{
bytes_to_snd -= rv;
test_buf_offset += rv;
bytes_sent += rv;
-
- if (svm_fifo_set_event (tx_fifo))
- {
- /* Fabricate TX event, send to vpp */
- evt.fifo = tx_fifo;
- evt.event_type = FIFO_EVENT_APP_TX;
-
- svm_queue_add (utm->vpp_event_queue,
- (u8 *) & evt, 0 /* do wait for mutex */ );
- }
}
}
}
static void
-recv_test_chunk (uri_udp_test_main_t * utm, session_t * session)
+recv_test_chunk (udp_echo_main_t * utm, app_session_t * s)
{
- svm_fifo_t *rx_fifo;
- int buffer_offset, bytes_to_read = 0, rv;
-
- rx_fifo = session->server_rx_fifo;
- bytes_to_read = svm_fifo_max_dequeue (rx_fifo);
- bytes_to_read =
- vec_len (utm->rx_buf) > bytes_to_read ?
- bytes_to_read : vec_len (utm->rx_buf);
-
- buffer_offset = 0;
- while (bytes_to_read > 0)
- {
- rv = svm_fifo_dequeue_nowait (rx_fifo, bytes_to_read,
- utm->rx_buf + buffer_offset);
- if (rv > 0)
- {
- bytes_to_read -= rv;
- buffer_offset += rv;
- }
- }
+ app_recv (s, utm->rx_buf, vec_len (utm->rx_buf));
}
void
-client_send_data (uri_udp_test_main_t * utm)
+client_send_data (udp_echo_main_t * utm)
{
u8 *test_data;
- int mypid = getpid ();
- session_t *session;
- svm_fifo_t *tx_fifo;
+ app_session_t *session;
u32 n_iterations;
int i;
@@ -538,8 +632,6 @@ client_send_data (uri_udp_test_main_t * utm)
test_data = utm->connect_test_data;
session = pool_elt_at_index (utm->sessions, utm->connected_session);
- tx_fifo = session->server_tx_fifo;
-
ASSERT (vec_len (test_data) > 0);
vec_validate (utm->rx_buf, vec_len (test_data) - 1);
@@ -547,7 +639,7 @@ client_send_data (uri_udp_test_main_t * utm)
for (i = 0; i < n_iterations; i++)
{
- send_test_chunk (utm, tx_fifo, mypid, 0);
+ send_test_chunk (utm, session, 0);
recv_test_chunk (utm, session);
if (utm->time_to_stop)
break;
@@ -562,9 +654,9 @@ client_send_data (uri_udp_test_main_t * utm)
}
static void
-client_test (uri_udp_test_main_t * utm)
+client_test (udp_echo_main_t * utm)
{
- session_t *session;
+ app_session_t *session;
application_send_attach (utm);
udp_client_connect (utm);
@@ -593,7 +685,10 @@ client_test (uri_udp_test_main_t * utm)
static void
vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
+ udp_echo_main_t *utm = &udp_echo_main;
+ svm_fifo_t *rx_fifo, *tx_fifo;
+ app_session_t *session;
+ u32 session_index;
if (mp->retval)
{
@@ -602,13 +697,30 @@ vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
return;
}
- utm->state = STATE_BOUND;
+ rx_fifo = uword_to_pointer (mp->rx_fifo, svm_fifo_t *);
+ tx_fifo = uword_to_pointer (mp->tx_fifo, svm_fifo_t *);
+
+ pool_get (utm->sessions, session);
+ memset (session, 0, sizeof (*session));
+ session_index = session - utm->sessions;
+
+ rx_fifo->client_session_index = session_index;
+ tx_fifo->client_session_index = session_index;
+ session->rx_fifo = rx_fifo;
+ session->tx_fifo = tx_fifo;
+ clib_memcpy (&session->transport.lcl_ip, mp->lcl_ip,
+ sizeof (ip46_address_t));
+ session->transport.is_ip4 = mp->lcl_is_ip4;
+ session->transport.lcl_port = mp->lcl_port;
+ session->vpp_evt_q = uword_to_pointer (mp->vpp_evt_q, svm_queue_t *);
+
+ utm->state = utm->is_connected ? STATE_BOUND : STATE_READY;
}
static void
vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
+ udp_echo_main_t *utm = &udp_echo_main;
svm_fifo_segment_create_args_t _a, *a = &_a;
svm_fifo_segment_private_t *seg;
u8 *seg_name;
@@ -636,7 +748,7 @@ vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
static void
vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp)
{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
+ udp_echo_main_t *utm = &udp_echo_main;
svm_fifo_segment_private_t *seg;
u64 *seg_indexp;
u8 *seg_name;
@@ -663,13 +775,13 @@ static void
vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp)
{
u32 segment_index;
- uri_udp_test_main_t *utm = &uri_udp_test_main;
+ udp_echo_main_t *utm = &udp_echo_main;
svm_fifo_segment_main_t *sm = &svm_fifo_segment_main;
svm_fifo_segment_create_args_t _a, *a = &_a;
svm_fifo_segment_private_t *seg;
svm_queue_t *client_q;
vl_api_connect_session_reply_t *rmp;
- session_t *session = 0;
+ app_session_t *session = 0;
int rv = 0;
/* Create the segment */
@@ -692,16 +804,16 @@ vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp)
pool_get (utm->sessions, session);
- session->server_rx_fifo = svm_fifo_segment_alloc_fifo
+ session->rx_fifo = svm_fifo_segment_alloc_fifo
(utm->seg, 128 * 1024, FIFO_SEGMENT_RX_FREELIST);
- ASSERT (session->server_rx_fifo);
+ ASSERT (session->rx_fifo);
- session->server_tx_fifo = svm_fifo_segment_alloc_fifo
+ session->tx_fifo = svm_fifo_segment_alloc_fifo
(utm->seg, 128 * 1024, FIFO_SEGMENT_TX_FREELIST);
- ASSERT (session->server_tx_fifo);
+ ASSERT (session->tx_fifo);
- session->server_rx_fifo->master_session_index = session - utm->sessions;
- session->server_tx_fifo->master_session_index = session - utm->sessions;
+ session->rx_fifo->master_session_index = session - utm->sessions;
+ session->tx_fifo->master_session_index = session - utm->sessions;
utm->cut_through_session_index = session - utm->sessions;
rv = pthread_create (&utm->cut_through_thread_handle,
@@ -722,8 +834,8 @@ send_reply:
rmp->segment_name_length = vec_len (a->segment_name);
if (session)
{
- rmp->server_rx_fifo = pointer_to_uword (session->server_rx_fifo);
- rmp->server_tx_fifo = pointer_to_uword (session->server_tx_fifo);
+ rmp->server_rx_fifo = pointer_to_uword (session->rx_fifo);
+ rmp->server_tx_fifo = pointer_to_uword (session->tx_fifo);
}
memcpy (rmp->segment_name, a->segment_name, vec_len (a->segment_name));
@@ -737,7 +849,7 @@ send_reply:
static void
vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
+ udp_echo_main_t *utm = &udp_echo_main;
if (mp->retval != 0)
clib_warning ("returned %d", ntohl (mp->retval));
@@ -748,10 +860,10 @@ vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
static void
vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
+ udp_echo_main_t *utm = &udp_echo_main;
vl_api_accept_session_reply_t *rmp;
svm_fifo_t *rx_fifo, *tx_fifo;
- session_t *session;
+ app_session_t *session;
static f64 start_time;
u32 session_index;
int rv = 0;
@@ -759,9 +871,8 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
if (start_time == 0.0)
start_time = clib_time_now (&utm->clib_time);
- utm->vpp_event_queue =
- uword_to_pointer (mp->vpp_event_queue_address, svm_queue_t *);
-
+ utm->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
+ svm_queue_t *);
rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
@@ -778,8 +889,8 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
rx_fifo->master_session_index = session_index;
tx_fifo->master_session_index = session_index;
utm->cut_through_session_index = session_index;
- session->server_rx_fifo = rx_fifo;
- session->server_tx_fifo = tx_fifo;
+ session->rx_fifo = rx_fifo;
+ session->tx_fifo = tx_fifo;
rv = pthread_create (&utm->cut_through_thread_handle,
NULL /*attr */ , cut_through_thread_fn, 0);
@@ -788,13 +899,18 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
clib_warning ("pthread_create returned %d", rv);
rv = VNET_API_ERROR_SYSCALL_ERROR_1;
}
+ utm->do_echo = 1;
}
else
{
rx_fifo->client_session_index = session_index;
tx_fifo->client_session_index = session_index;
- session->server_rx_fifo = rx_fifo;
- session->server_tx_fifo = tx_fifo;
+ session->rx_fifo = rx_fifo;
+ session->tx_fifo = tx_fifo;
+ clib_memcpy (&session->transport.rmt_ip, mp->ip,
+ sizeof (ip46_address_t));
+ session->transport.is_ip4 = mp->is_ip4;
+ session->transport.rmt_port = mp->port;
}
hash_set (utm->session_index_by_vpp_handles, mp->handle, session_index);
@@ -821,8 +937,8 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
static void
vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
- session_t *session;
+ udp_echo_main_t *utm = &udp_echo_main;
+ app_session_t *session;
vl_api_disconnect_session_reply_t *rmp;
uword *p;
int rv = 0;
@@ -853,10 +969,12 @@ vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
static void
vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
- session_t *session;
+ udp_echo_main_t *utm = &udp_echo_main;
+ unformat_input_t _input, *input = &_input;
+ session_endpoint_extended_t _sep, *sep = &_sep;
+ app_session_t *session;
- ASSERT (utm->i_am_master == 0);
+ ASSERT (utm->i_am_server == 0);
if (mp->retval)
{
@@ -864,14 +982,13 @@ vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
return;
}
- pool_get (utm->sessions, session);
- session->server_rx_fifo = uword_to_pointer (mp->server_rx_fifo,
- svm_fifo_t *);
- ASSERT (session->server_rx_fifo);
- session->server_tx_fifo = uword_to_pointer (mp->server_tx_fifo,
- svm_fifo_t *);
- ASSERT (session->server_tx_fifo);
+ ASSERT (mp->server_rx_fifo && mp->server_tx_fifo);
+ pool_get (utm->sessions, session);
+ session->rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
+ session->tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
+ session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
+ svm_queue_t *);
/* Cut-through case */
if (mp->client_event_queue_address)
{
@@ -881,12 +998,32 @@ vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
svm_queue_t *);
utm->our_event_queue = uword_to_pointer (mp->client_event_queue_address,
svm_queue_t *);
+ utm->do_echo = 1;
}
else
{
utm->connected_session = session - utm->sessions;
utm->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
svm_queue_t *);
+
+ clib_memcpy (&session->transport.lcl_ip, mp->lcl_ip,
+ sizeof (ip46_address_t));
+ session->transport.is_ip4 = mp->is_ip4;
+ session->transport.lcl_port = mp->lcl_port;
+
+ unformat_init_vector (input, utm->connect_uri);
+ if (!unformat (input, "%U", unformat_uri, sep))
+ {
+ clib_warning ("can't figure out remote ip and port");
+ utm->state = STATE_FAILED;
+ unformat_free (input);
+ return;
+ }
+ unformat_free (input);
+ clib_memcpy (&session->transport.rmt_ip, &sep->ip,
+ sizeof (ip46_address_t));
+ session->transport.rmt_port = sep->port;
+ session->is_dgram = !utm->is_connected;
}
utm->state = STATE_READY;
}
@@ -904,7 +1041,7 @@ _(APPLICATION_ATTACH_REPLY, application_attach_reply) \
_(APPLICATION_DETACH_REPLY, application_detach_reply) \
void
-tcp_echo_api_hookup (uri_udp_test_main_t * utm)
+tcp_echo_api_hookup (udp_echo_main_t * utm)
{
#define _(N,n) \
vl_msg_api_set_handlers(VL_API_##N, #n, \
@@ -921,7 +1058,7 @@ tcp_echo_api_hookup (uri_udp_test_main_t * utm)
int
connect_to_vpp (char *name)
{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
+ udp_echo_main_t *utm = &udp_echo_main;
api_main_t *am = &api_main;
if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
@@ -940,7 +1077,7 @@ vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...)
}
static void
-init_error_string_table (uri_udp_test_main_t * utm)
+init_error_string_table (udp_echo_main_t * utm)
{
utm->error_string_by_error_number = hash_create (0, sizeof (uword));
@@ -952,43 +1089,26 @@ init_error_string_table (uri_udp_test_main_t * utm)
}
void
-server_handle_fifo_event_rx (uri_udp_test_main_t * utm,
- session_fifo_event_t * e)
+server_handle_fifo_event_rx (udp_echo_main_t * utm, session_fifo_event_t * e)
{
- svm_fifo_t *rx_fifo, *tx_fifo;
- int nbytes;
- session_fifo_event_t evt;
- svm_queue_t *q;
+ app_session_t *s;
int rv;
- rx_fifo = e->fifo;
- tx_fifo = utm->sessions[rx_fifo->client_session_index].server_tx_fifo;
- svm_fifo_unset_event (rx_fifo);
-
- do
- {
- nbytes = svm_fifo_dequeue_nowait (rx_fifo, vec_len (utm->rx_buf),
- utm->rx_buf);
- }
- while (nbytes <= 0);
- do
- {
- rv = svm_fifo_enqueue_nowait (tx_fifo, nbytes, utm->rx_buf);
- }
- while (rv == -2);
+ s = pool_elt_at_index (utm->sessions, e->fifo->client_session_index);
+ app_recv (s, utm->rx_buf, vec_len (utm->rx_buf));
- if (svm_fifo_set_event (tx_fifo))
+ if (utm->do_echo)
{
- /* Fabricate TX event, send to vpp */
- evt.fifo = tx_fifo;
- evt.event_type = FIFO_EVENT_APP_TX;
- q = utm->vpp_event_queue;
- svm_queue_add (q, (u8 *) & evt, 0 /* do wait for mutex */ );
+ do
+ {
+ rv = app_send_stream (s, utm->rx_buf, vec_len (utm->rx_buf), 0);
+ }
+ while (rv == SVM_FIFO_FULL);
}
}
void
-server_handle_event_queue (uri_udp_test_main_t * utm)
+server_handle_event_queue (udp_echo_main_t * utm)
{
session_fifo_event_t _e, *e = &_e;
@@ -1022,7 +1142,7 @@ server_handle_event_queue (uri_udp_test_main_t * utm)
}
static void
-server_unbind (uri_udp_test_main_t * utm)
+server_unbind (udp_echo_main_t * utm)
{
vl_api_unbind_uri_t *ump;
@@ -1031,12 +1151,12 @@ server_unbind (uri_udp_test_main_t * utm)
ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI);
ump->client_index = utm->my_client_index;
- memcpy (ump->uri, utm->uri, vec_len (utm->uri));
+ memcpy (ump->uri, utm->listen_uri, vec_len (utm->listen_uri));
vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & ump);
}
static void
-server_bind (uri_udp_test_main_t * utm)
+server_bind (udp_echo_main_t * utm)
{
vl_api_bind_uri_t *bmp;
@@ -1046,22 +1166,22 @@ server_bind (uri_udp_test_main_t * utm)
bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
bmp->client_index = utm->my_client_index;
bmp->context = ntohl (0xfeedface);
- memcpy (bmp->uri, utm->uri, vec_len (utm->uri));
+ memcpy (bmp->uri, utm->listen_uri, vec_len (utm->listen_uri));
vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp);
}
void
-udp_server_test (uri_udp_test_main_t * utm)
+udp_server_test (udp_echo_main_t * utm)
{
-
+ u8 wait_for_state = utm->is_connected ? STATE_BOUND : STATE_READY;
application_send_attach (utm);
/* Bind to uri */
server_bind (utm);
- if (wait_for_state_change (utm, STATE_BOUND))
+ if (wait_for_state_change (utm, wait_for_state))
{
- clib_warning ("timeout waiting for STATE_BOUND");
+ clib_warning ("timeout waiting for state change");
return;
}
@@ -1084,11 +1204,11 @@ udp_server_test (uri_udp_test_main_t * utm)
int
main (int argc, char **argv)
{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
- u8 *bind_name = (u8 *) "udp://0.0.0.0/1234";
+ udp_echo_main_t *utm = &udp_echo_main;
+ u8 *uri = (u8 *) "udp://0.0.0.0/1234";
unformat_input_t _argv, *a = &_argv;
- int i_am_master = 1;
- session_t *session;
+ int i_am_server = 1;
+ app_session_t *session;
u8 *chroot_prefix;
char *app_name;
mheap_t *h;
@@ -1116,39 +1236,50 @@ main (int argc, char **argv)
svm_fifo_segment_main_init (0x200000000ULL, 20);
unformat_init_command_line (a, argv);
+ utm->fifo_size = 128 << 10;
+
while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
{
if (unformat (a, "chroot prefix %s", &chroot_prefix))
{
vl_set_memory_root_path ((char *) chroot_prefix);
}
- else if (unformat (a, "uri %s", &bind_name))
+ else if (unformat (a, "uri %s", &uri))
;
else if (unformat (a, "segment-size %dM", &tmp))
utm->configured_segment_size = tmp << 20;
else if (unformat (a, "segment-size %dG", &tmp))
utm->configured_segment_size = tmp << 30;
- else if (unformat (a, "master"))
- i_am_master = 1;
- else if (unformat (a, "slave"))
- i_am_master = 0;
+ else if (unformat (a, "server"))
+ i_am_server = 1;
+ else if (unformat (a, "client"))
+ i_am_server = 0;
else
{
- fformat (stderr, "%s: usage [master|slave]\n");
+ fformat (stderr, "%s: usage [server|client]\n");
exit (1);
}
}
utm->cut_through_session_index = ~0;
- utm->uri = format (0, "%s%c", bind_name, 0);
- utm->i_am_master = i_am_master;
+ utm->i_am_server = i_am_server;
utm->segment_main = &svm_fifo_segment_main;
- utm->connect_uri = format (0, "udp://6.0.1.2/1234%c", 0);
setup_signal_handlers ();
tcp_echo_api_hookup (utm);
- app_name = i_am_master ? "udp_echo_master" : "udp_echo_slave";
+ if (i_am_server)
+ {
+ utm->listen_uri = format (0, "%s%c", uri, 0);
+ utm->is_connected = (utm->listen_uri[4] == 'c');
+ app_name = "udp_echo_server";
+ }
+ else
+ {
+ app_name = "udp_echo_client";
+ utm->connect_uri = format (0, "%s%c", uri, 0);
+ utm->is_connected = (utm->connect_uri[4] == 'c');
+ }
if (connect_to_vpp (app_name) < 0)
{
svm_region_exit ();
@@ -1156,7 +1287,7 @@ main (int argc, char **argv)
exit (1);
}
- if (i_am_master == 0)
+ if (i_am_server == 0)
{
client_test (utm);
exit (0);
diff --git a/src/vnet/session-apps/echo_client.c b/src/vnet/session-apps/echo_client.c
index 2cfb471413c..11528ef1899 100644
--- a/src/vnet/session-apps/echo_client.c
+++ b/src/vnet/session-apps/echo_client.c
@@ -46,23 +46,21 @@ static void
send_data_chunk (echo_client_main_t * ecm, session_t * s)
{
u8 *test_data = ecm->connect_test_data;
- int test_buf_offset;
+ int test_buf_len, test_buf_offset, rv;
u32 bytes_this_chunk;
- session_fifo_event_t evt;
- svm_fifo_t *txf;
- int rv;
ASSERT (vec_len (test_data) > 0);
-
- test_buf_offset = s->bytes_sent % vec_len (test_data);
- bytes_this_chunk = vec_len (test_data) - test_buf_offset;
-
- bytes_this_chunk = bytes_this_chunk < s->bytes_to_send
- ? bytes_this_chunk : s->bytes_to_send;
-
- txf = s->server_tx_fifo;
- rv = svm_fifo_enqueue_nowait (txf, bytes_this_chunk,
- test_data + test_buf_offset);
+ test_buf_len = vec_len (test_data);
+ test_buf_offset = s->bytes_sent % test_buf_len;
+ bytes_this_chunk = clib_min (test_buf_len - test_buf_offset,
+ s->bytes_to_send);
+
+ if (!ecm->is_dgram)
+ rv = app_send_stream (&s->data, test_data + test_buf_offset,
+ bytes_this_chunk, 0);
+ else
+ rv = app_send_dgram (&s->data, test_data + test_buf_offset,
+ bytes_this_chunk, 0);
/* If we managed to enqueue data... */
if (rv > 0)
@@ -89,35 +87,24 @@ send_data_chunk (echo_client_main_t * ecm, session_t * s)
ed->data[1] = s->bytes_sent;
ed->data[2] = s->bytes_to_send;
}
-
- /* Poke the session layer */
- if (svm_fifo_set_event (txf))
- {
- /* Fabricate TX event, send to vpp */
- evt.fifo = txf;
- evt.event_type = FIFO_EVENT_APP_TX;
-
- if (svm_queue_add
- (ecm->vpp_event_queue[txf->master_thread_index], (u8 *) & evt,
- 0 /* do wait for mutex */ ))
- clib_warning ("could not enqueue event");
- }
}
}
static void
receive_data_chunk (echo_client_main_t * ecm, session_t * s)
{
- svm_fifo_t *rx_fifo = s->server_rx_fifo;
- u32 my_thread_index = vlib_get_thread_index ();
+ svm_fifo_t *rx_fifo = s->data.rx_fifo;
+ u32 thread_index = vlib_get_thread_index ();
int n_read, i;
if (ecm->test_bytes)
{
- n_read = svm_fifo_dequeue_nowait (rx_fifo,
- vec_len (ecm->rx_buf
- [my_thread_index]),
- ecm->rx_buf[my_thread_index]);
+ if (!ecm->is_dgram)
+ n_read = app_recv_stream (&s->data, ecm->rx_buf[thread_index],
+ vec_len (ecm->rx_buf[thread_index]));
+ else
+ n_read = app_recv_dgram (&s->data, ecm->rx_buf[thread_index],
+ vec_len (ecm->rx_buf[thread_index]));
}
else
{
@@ -148,17 +135,18 @@ receive_data_chunk (echo_client_main_t * ecm, session_t * s)
{
for (i = 0; i < n_read; i++)
{
- if (ecm->rx_buf[my_thread_index][i]
+ if (ecm->rx_buf[thread_index][i]
!= ((s->bytes_received + i) & 0xff))
{
clib_warning ("read %d error at byte %lld, 0x%x not 0x%x",
n_read, s->bytes_received + i,
- ecm->rx_buf[my_thread_index][i],
+ ecm->rx_buf[thread_index][i],
((s->bytes_received + i) & 0xff));
ecm->test_failed = 1;
}
}
}
+ ASSERT (n_read <= s->bytes_to_receive);
s->bytes_to_receive -= n_read;
s->bytes_received += n_read;
}
@@ -230,20 +218,15 @@ echo_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
}
if (sp->bytes_to_receive > 0)
{
- receive_data_chunk (ecm, sp);
delete_session = 0;
}
if (PREDICT_FALSE (delete_session == 1))
{
- u32 index, thread_index;
stream_session_t *s;
__sync_fetch_and_add (&ecm->tx_total, sp->bytes_sent);
__sync_fetch_and_add (&ecm->rx_total, sp->bytes_received);
-
- session_parse_handle (sp->vpp_session_handle,
- &index, &thread_index);
- s = session_get_if_valid (index, thread_index);
+ s = session_get_from_handle_if_valid (sp->vpp_session_handle);
if (s)
{
@@ -312,8 +295,8 @@ echo_clients_init (vlib_main_t * vm)
num_threads = 1 /* main thread */ + vtm->n_threads;
- /* Init test data. Bigecmuffer */
- vec_validate (ecm->connect_test_data, 1024 * 1024 - 1);
+ /* Init test data. Big buffer */
+ vec_validate (ecm->connect_test_data, 4 * 1024 * 1024 - 1);
for (i = 0; i < vec_len (ecm->connect_test_data); i++)
ecm->connect_test_data[i] = i & 0xff;
@@ -363,12 +346,22 @@ echo_clients_session_connected_callback (u32 app_index, u32 api_context,
session_index = session - ecm->sessions;
session->bytes_to_send = ecm->bytes_to_send;
session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
- session->server_rx_fifo = s->server_rx_fifo;
- session->server_rx_fifo->client_session_index = session_index;
- session->server_tx_fifo = s->server_tx_fifo;
- session->server_tx_fifo->client_session_index = session_index;
+ session->data.rx_fifo = s->server_rx_fifo;
+ session->data.rx_fifo->client_session_index = session_index;
+ session->data.tx_fifo = s->server_tx_fifo;
+ session->data.tx_fifo->client_session_index = session_index;
+ session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
session->vpp_session_handle = session_handle (s);
+ if (ecm->is_dgram)
+ {
+ transport_connection_t *tc;
+ tc = session_get_transport (s);
+ clib_memcpy (&session->data.transport, tc,
+ sizeof (session->data.transport));
+ session->data.is_dgram = 1;
+ }
+
vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
__sync_fetch_and_add (&ecm->ready_connections, 1);
if (ecm->ready_connections == ecm->expected_connections)
@@ -410,6 +403,28 @@ echo_clients_session_disconnect_callback (stream_session_t * s)
static int
echo_clients_rx_callback (stream_session_t * s)
{
+ echo_client_main_t *ecm = &echo_client_main;
+ session_t *sp;
+
+ sp = pool_elt_at_index (ecm->sessions,
+ s->server_rx_fifo->client_session_index);
+ receive_data_chunk (ecm, sp);
+
+ if (svm_fifo_max_dequeue (s->server_rx_fifo))
+ {
+ session_fifo_event_t evt;
+ svm_queue_t *q;
+ if (svm_fifo_set_event (s->server_rx_fifo))
+ {
+ evt.fifo = s->server_rx_fifo;
+ evt.event_type = FIFO_EVENT_BUILTIN_RX;
+ q = session_manager_get_vpp_event_queue (s->thread_index);
+ if (PREDICT_FALSE (q->cursize == q->maxsize))
+ clib_warning ("out of event queue space");
+ else if (svm_queue_add (q, (u8 *) & evt, 0))
+ clib_warning ("failed to enqueue self-tap");
+ }
+ }
return 0;
}
@@ -544,7 +559,7 @@ echo_clients_connect (vlib_main_t * vm, u32 n_clients)
}
#define ec_cli_output(_fmt, _args...) \
- if (!ecm->no_output) \
+ if (!ecm->no_output) \
vlib_cli_output(vm, _fmt, ##_args)
static clib_error_t *
@@ -663,6 +678,9 @@ echo_clients_command_fn (vlib_main_t * vm,
ecm->connect_uri = format (0, "%s%c", default_uri, 0);
}
+ if (ecm->connect_uri[0] == 'u' && ecm->connect_uri[3] != 'c')
+ ecm->is_dgram = 1;
+
#if ECHO_CLIENT_PTHREAD
echo_clients_start_tx_pthread ();
#endif
diff --git a/src/vnet/session-apps/echo_client.h b/src/vnet/session-apps/echo_client.h
index 5712da5b8c8..344e43865b5 100644
--- a/src/vnet/session-apps/echo_client.h
+++ b/src/vnet/session-apps/echo_client.h
@@ -30,15 +30,13 @@
typedef struct
{
+ app_session_t data;
u64 bytes_to_send;
u64 bytes_sent;
u64 bytes_to_receive;
u64 bytes_received;
-
- svm_fifo_t *server_rx_fifo;
- svm_fifo_t *server_tx_fifo;
-
u64 vpp_session_handle;
+ u8 thread_index;
} session_t;
typedef struct
@@ -46,7 +44,7 @@ typedef struct
/*
* Application setup parameters
*/
- svm_queue_t *vl_input_queue; /**< vpe input queue */
+ svm_queue_t *vl_input_queue; /**< vpe input queue */
svm_queue_t **vpp_event_queue;
u32 cli_node_index; /**< cli process node index */
@@ -65,6 +63,7 @@ typedef struct
u32 private_segment_count; /**< Number of private fifo segs */
u32 private_segment_size; /**< size of private fifo segs */
u32 tls_engine; /**< TLS engine mbedtls/openssl */
+ u8 is_dgram;
/*
* Test state variables
*/
diff --git a/src/vnet/session-apps/echo_server.c b/src/vnet/session-apps/echo_server.c
index 0bde2e4995f..85e6c299919 100644
--- a/src/vnet/session-apps/echo_server.c
+++ b/src/vnet/session-apps/echo_server.c
@@ -34,13 +34,14 @@ typedef struct
* Config params
*/
u8 no_echo; /**< Don't echo traffic */
- u32 fifo_size; /**< Fifo size */
+ u32 fifo_size; /**< Fifo size */
u32 rcv_buffer_size; /**< Rcv buffer size */
u32 prealloc_fifos; /**< Preallocate fifos */
u32 private_segment_count; /**< Number of private segments */
u32 private_segment_size; /**< Size of private segments */
char *server_uri; /**< Server URI */
u32 tls_engine; /**< TLS engine: mbedtls/openssl */
+ u8 is_dgram; /**< set if transport is dgram */
/*
* Test state
*/
@@ -126,25 +127,13 @@ test_bytes (echo_server_main_t * esm, int actual_transfer)
}
/*
- * If no-echo, just read the data and be done with it
+ * If no-echo, just drop the data and be done with it.
*/
int
echo_server_builtin_server_rx_callback_no_echo (stream_session_t * s)
{
- echo_server_main_t *esm = &echo_server_main;
- u32 my_thread_id = vlib_get_thread_index ();
- int actual_transfer;
- svm_fifo_t *rx_fifo;
-
- rx_fifo = s->server_rx_fifo;
-
- do
- {
- actual_transfer =
- svm_fifo_dequeue_nowait (rx_fifo, esm->rcv_buffer_size,
- esm->rx_buf[my_thread_id]);
- }
- while (actual_transfer > 0);
+ svm_fifo_t *rx_fifo = s->server_rx_fifo;
+ svm_fifo_dequeue_drop (rx_fifo, svm_fifo_max_dequeue (rx_fifo));
return 0;
}
@@ -157,6 +146,8 @@ echo_server_rx_callback (stream_session_t * s)
echo_server_main_t *esm = &echo_server_main;
session_fifo_event_t evt;
u32 thread_index = vlib_get_thread_index ();
+ app_session_transport_t at;
+ svm_queue_t *q;
ASSERT (s->thread_index == thread_index);
@@ -166,14 +157,29 @@ echo_server_rx_callback (stream_session_t * s)
ASSERT (rx_fifo->master_thread_index == thread_index);
ASSERT (tx_fifo->master_thread_index == thread_index);
- max_dequeue = svm_fifo_max_dequeue (s->server_rx_fifo);
- max_enqueue = svm_fifo_max_enqueue (s->server_tx_fifo);
+ max_enqueue = svm_fifo_max_enqueue (tx_fifo);
+ if (!esm->is_dgram)
+ {
+ max_dequeue = svm_fifo_max_dequeue (rx_fifo);
+ }
+ else
+ {
+ session_dgram_pre_hdr_t ph;
+ svm_fifo_peek (rx_fifo, 0, sizeof (ph), (u8 *) & ph);
+ max_dequeue = ph.data_length - ph.data_offset;
+ if (!esm->vpp_queue[s->thread_index])
+ {
+ q = session_manager_get_vpp_event_queue (s->thread_index);
+ esm->vpp_queue[s->thread_index] = q;
+ }
+ max_enqueue -= sizeof (session_dgram_hdr_t);
+ }
if (PREDICT_FALSE (max_dequeue == 0))
return 0;
/* Number of bytes we're going to copy */
- max_transfer = (max_dequeue < max_enqueue) ? max_dequeue : max_enqueue;
+ max_transfer = clib_min (max_dequeue, max_enqueue);
/* No space in tx fifo */
if (PREDICT_FALSE (max_transfer == 0))
@@ -184,16 +190,16 @@ echo_server_rx_callback (stream_session_t * s)
/* Program self-tap to retry */
if (svm_fifo_set_event (rx_fifo))
{
- svm_queue_t *q;
evt.fifo = rx_fifo;
evt.event_type = FIFO_EVENT_BUILTIN_RX;
- q = esm->vpp_queue[thread_index];
+ q = esm->vpp_queue[s->thread_index];
if (PREDICT_FALSE (q->cursize == q->maxsize))
clib_warning ("out of event queue space");
else if (svm_queue_add (q, (u8 *) & evt, 0))
clib_warning ("failed to enqueue self-tap");
+ vec_validate (esm->rx_retries[s->thread_index], s->session_index);
if (esm->rx_retries[thread_index][s->session_index] == 500000)
{
clib_warning ("session stuck: %U", format_stream_session, s, 2);
@@ -205,36 +211,47 @@ echo_server_rx_callback (stream_session_t * s)
return 0;
}
- _vec_len (esm->rx_buf[thread_index]) = max_transfer;
-
- actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, max_transfer,
- esm->rx_buf[thread_index]);
+ vec_validate (esm->rx_buf[thread_index], max_transfer);
+ if (!esm->is_dgram)
+ {
+ actual_transfer = app_recv_stream_raw (rx_fifo,
+ esm->rx_buf[thread_index],
+ max_transfer,
+ 0 /* don't clear event */ );
+ }
+ else
+ {
+ actual_transfer = app_recv_dgram_raw (rx_fifo,
+ esm->rx_buf[thread_index],
+ max_transfer, &at,
+ 0 /* don't clear event */ );
+ }
ASSERT (actual_transfer == max_transfer);
-
-// test_bytes (esm, actual_transfer);
+ /* test_bytes (esm, actual_transfer); */
/*
* Echo back
*/
- n_written = svm_fifo_enqueue_nowait (tx_fifo, actual_transfer,
- esm->rx_buf[thread_index]);
-
- if (n_written != max_transfer)
- clib_warning ("short trout!");
-
- if (svm_fifo_set_event (tx_fifo))
+ if (!esm->is_dgram)
{
- /* Fabricate TX event, send to vpp */
- evt.fifo = tx_fifo;
- evt.event_type = FIFO_EVENT_APP_TX;
-
- if (svm_queue_add (esm->vpp_queue[s->thread_index],
- (u8 *) & evt, 0 /* do wait for mutex */ ))
- clib_warning ("failed to enqueue tx evt");
+ n_written = app_send_stream_raw (tx_fifo,
+ esm->vpp_queue[thread_index],
+ esm->rx_buf[thread_index],
+ actual_transfer, 0);
}
+ else
+ {
+ n_written = app_send_dgram_raw (tx_fifo, &at,
+ esm->vpp_queue[s->thread_index],
+ esm->rx_buf[thread_index],
+ actual_transfer, 0);
+ }
+
+ if (n_written != max_transfer)
+ clib_warning ("short trout! written %u read %u", n_written, max_transfer);
- if (PREDICT_FALSE (n_written < max_dequeue))
+ if (PREDICT_FALSE (svm_fifo_max_dequeue (rx_fifo)))
goto rx_event;
return 0;
@@ -411,6 +428,7 @@ echo_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
esm->private_segment_count = 0;
esm->private_segment_size = 0;
esm->tls_engine = TLS_ENGINE_OPENSSL;
+ esm->is_dgram = 0;
vec_free (esm->server_uri);
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
@@ -479,6 +497,8 @@ echo_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
clib_warning ("No uri provided! Using default: %s", default_uri);
esm->server_uri = (char *) format (0, "%s%c", default_uri, 0);
}
+ if (esm->server_uri[0] == 'u' && esm->server_uri[3] != 'c')
+ esm->is_dgram = 1;
rv = echo_server_create (vm, appns_id, appns_flags, appns_secret);
vec_free (appns_id);
diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c
index 1c46e786e13..68bbd59098e 100644
--- a/src/vnet/session/application.c
+++ b/src/vnet/session/application.c
@@ -445,13 +445,9 @@ application_start_listen (application_t * srv, session_endpoint_t * sep,
s = listen_session_new (0, sst);
s->app_index = srv->index;
- if (stream_session_listen (s, sep))
- goto err;
-
/* Allocate segment manager. All sessions derived out of a listen session
* have fifos allocated by the same segment manager. */
- sm = application_alloc_segment_manager (srv);
- if (sm == 0)
+ if (!(sm = application_alloc_segment_manager (srv)))
goto err;
/* Add to app's listener table. Useful to find all child listeners
@@ -459,6 +455,13 @@ application_start_listen (application_t * srv, session_endpoint_t * sep,
handle = listen_session_get_handle (s);
hash_set (srv->listeners_table, handle, segment_manager_index (sm));
+ if (stream_session_listen (s, sep))
+ {
+ segment_manager_del (sm);
+ hash_unset (srv->listeners_table, handle);
+ goto err;
+ }
+
*res = handle;
return 0;
diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index 5dc237f6e7b..5fd218533dc 100644
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -173,6 +173,163 @@ extern const u32 test_srv_crt_rsa_len;
extern const char test_srv_key_rsa[];
extern const u32 test_srv_key_rsa_len;
+typedef struct app_session_transport_
+{
+ ip46_address_t rmt_ip; /**< remote ip */
+ ip46_address_t lcl_ip; /**< local ip */
+ u16 rmt_port; /**< remote port */
+ u16 lcl_port; /**< local port */
+ u8 is_ip4; /**< set if uses ip4 networking */
+} app_session_transport_t;
+
+typedef struct app_session_
+{
+ svm_fifo_t *rx_fifo; /**< rx fifo */
+ svm_fifo_t *tx_fifo; /**< tx fifo */
+ session_type_t session_type; /**< session type */
+ volatile u8 session_state; /**< session state */
+ u32 session_index; /**< index in owning pool */
+ app_session_transport_t transport; /**< transport info */
+ svm_queue_t *vpp_evt_q; /**< vpp event queue for session */
+ u8 is_dgram; /**< set if it works in dgram mode */
+} app_session_t;
+
+always_inline int
+app_send_dgram_raw (svm_fifo_t * f, app_session_transport_t * at,
+ svm_queue_t * vpp_evt_q, u8 * data, u32 len, u8 noblock)
+{
+ u32 max_enqueue, actual_write;
+ session_dgram_hdr_t hdr;
+ session_fifo_event_t evt;
+ int rv;
+
+ max_enqueue = svm_fifo_max_enqueue (f);
+ if (svm_fifo_max_enqueue (f) <= sizeof (session_dgram_hdr_t))
+ return 0;
+
+ max_enqueue -= sizeof (session_dgram_hdr_t);
+ actual_write = clib_min (len, max_enqueue);
+ hdr.data_length = actual_write;
+ hdr.data_offset = 0;
+ clib_memcpy (&hdr.rmt_ip, &at->rmt_ip, sizeof (ip46_address_t));
+ hdr.is_ip4 = at->is_ip4;
+ hdr.rmt_port = at->rmt_port;
+ clib_memcpy (&hdr.lcl_ip, &at->lcl_ip, sizeof (ip46_address_t));
+ hdr.lcl_port = at->lcl_port;
+ rv = svm_fifo_enqueue_nowait (f, sizeof (hdr), (u8 *) & hdr);
+ if (rv <= 0)
+ return 0;
+
+ ASSERT (rv == sizeof (hdr));
+
+ if ((rv = svm_fifo_enqueue_nowait (f, actual_write, data)) > 0)
+ {
+ if (svm_fifo_set_event (f))
+ {
+ evt.fifo = f;
+ evt.event_type = FIFO_EVENT_APP_TX;
+ svm_queue_add (vpp_evt_q, (u8 *) & evt, noblock);
+ }
+ }
+ return rv;
+}
+
+always_inline int
+app_send_dgram (app_session_t * s, u8 * data, u32 len, u8 noblock)
+{
+ return app_send_dgram_raw (s->tx_fifo, &s->transport, s->vpp_evt_q, data,
+ len, noblock);
+}
+
+always_inline int
+app_send_stream_raw (svm_fifo_t * f, svm_queue_t * vpp_evt_q, u8 * data,
+ u32 len, u8 noblock)
+{
+ session_fifo_event_t evt;
+ int rv;
+
+ if ((rv = svm_fifo_enqueue_nowait (f, len, data)) > 0)
+ {
+ if (svm_fifo_set_event (f))
+ {
+ evt.fifo = f;
+ evt.event_type = FIFO_EVENT_APP_TX;
+ svm_queue_add (vpp_evt_q, (u8 *) & evt, noblock);
+ }
+ }
+ return rv;
+}
+
+always_inline int
+app_send_stream (app_session_t * s, u8 * data, u32 len, u8 noblock)
+{
+ return app_send_stream_raw (s->tx_fifo, s->vpp_evt_q, data, len, noblock);
+}
+
+always_inline int
+app_send (app_session_t * s, u8 * data, u32 len, u8 noblock)
+{
+ if (s->is_dgram)
+ return app_send_dgram (s, data, len, noblock);
+ return app_send_stream (s, data, len, noblock);
+}
+
+always_inline int
+app_recv_dgram_raw (svm_fifo_t * f, u8 * buf, u32 len,
+ app_session_transport_t * at, u8 clear_evt)
+{
+ session_dgram_pre_hdr_t ph;
+ u32 max_deq;
+ int rv;
+
+ if (clear_evt)
+ svm_fifo_unset_event (f);
+ max_deq = svm_fifo_max_dequeue (f);
+ if (max_deq < sizeof (session_dgram_hdr_t))
+ return 0;
+
+ svm_fifo_peek (f, 0, sizeof (ph), (u8 *) & ph);
+ ASSERT (ph.data_length >= ph.data_offset);
+ if (!ph.data_offset)
+ svm_fifo_peek (f, sizeof (ph), sizeof (*at), (u8 *) at);
+ len = clib_min (len, ph.data_length - ph.data_offset);
+ rv = svm_fifo_peek (f, ph.data_offset + SESSION_CONN_HDR_LEN, len, buf);
+ ph.data_offset += rv;
+ if (ph.data_offset == ph.data_length)
+ svm_fifo_dequeue_drop (f, ph.data_length + SESSION_CONN_HDR_LEN);
+ else
+ svm_fifo_overwrite_head (f, (u8 *) & ph, sizeof (ph));
+ return rv;
+}
+
+always_inline int
+app_recv_dgram (app_session_t * s, u8 * buf, u32 len)
+{
+ return app_recv_dgram_raw (s->rx_fifo, buf, len, &s->transport, 1);
+}
+
+always_inline int
+app_recv_stream_raw (svm_fifo_t * f, u8 * buf, u32 len, u8 clear_evt)
+{
+ if (clear_evt)
+ svm_fifo_unset_event (f);
+ return svm_fifo_dequeue_nowait (f, len, buf);
+}
+
+always_inline int
+app_recv_stream (app_session_t * s, u8 * buf, u32 len)
+{
+ return app_recv_stream_raw (s->rx_fifo, buf, len, 1);
+}
+
+always_inline int
+app_recv (app_session_t * s, u8 * data, u32 len)
+{
+ if (s->is_dgram)
+ return app_recv_dgram (s, data, len);
+ return app_recv_stream (s, data, len);
+}
+
#endif /* __included_uri_h__ */
/*
diff --git a/src/vnet/session/session.api b/src/vnet/session/session.api
index bf88e82f336..98748d8fbbb 100644
--- a/src/vnet/session/session.api
+++ b/src/vnet/session/session.api
@@ -13,7 +13,7 @@
* limitations under the License.
*/
-option version = "1.0.2";
+option version = "1.0.3";
/** \brief client->vpp, attach application to session layer
@param client_index - opaque cookie to identify the sender
@@ -119,13 +119,25 @@ autoreply define unmap_segment {
"tcp://::/0/80" [ipv6] etc.
@param options - socket options, fifo sizes, etc.
*/
-autoreply define bind_uri {
+define bind_uri {
u32 client_index;
u32 context;
u32 accept_cookie;
u8 uri[128];
};
+define bind_uri_reply {
+ u32 context;
+ u64 handle;
+ i32 retval;
+ u64 rx_fifo;
+ u64 tx_fifo;
+ u8 lcl_is_ip4;
+ u8 lcl_ip[16];
+ u16 lcl_port;
+ u64 vpp_evt_q;
+};
+
/** \brief Unbind a given URI
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
@@ -314,8 +326,12 @@ autoreply define connect_sock {
@param context - sender context, to match reply w/ request
@param handle - bind handle
@param retval - return code for the request
- @param event_queue_address - vpp event queue address or 0 if this
- connection shouldn't send events
+ @param lcl_is_ip4 - local ip address type
+ @param lcl_ip6 - local ip address
+ @param lcl_port - local port
+ @param rx_fifo - rx fifo address if allocated (connectionless)
+ @param tx_fifo - tx fifo address if allocated (connectionless)
+ @param vpp_evt_q - vpp event queue address (connectionless)
@param segment_name_length - length of segment name
@param segment_name - name of segment client needs to attach to
*/
@@ -323,10 +339,12 @@ define bind_sock_reply {
u32 context;
u64 handle;
i32 retval;
- u64 server_event_queue_address;
u8 lcl_is_ip4;
u8 lcl_ip[16];
u16 lcl_port;
+ u64 rx_fifo;
+ u64 tx_fifo;
+ u64 vpp_evt_q;
u32 segment_size;
u8 segment_name_length;
u8 segment_name[128];
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index d258b82c983..dfc967b12dc 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -355,14 +355,19 @@ session_enqueue_stream_connection (transport_connection_t * tc,
return enqueued;
}
+
int
-session_enqueue_dgram_connection (stream_session_t * s, vlib_buffer_t * b,
- u8 proto, u8 queue_event)
+session_enqueue_dgram_connection (stream_session_t * s,
+ session_dgram_hdr_t * hdr,
+ vlib_buffer_t * b, u8 proto, u8 queue_event)
{
int enqueued = 0, rv, in_order_off;
- if (svm_fifo_max_enqueue (s->server_rx_fifo) < b->current_length)
- return -1;
+ ASSERT (svm_fifo_max_enqueue (s->server_rx_fifo)
+ >= b->current_length + sizeof (*hdr));
+
+ svm_fifo_enqueue_nowait (s->server_rx_fifo, sizeof (session_dgram_hdr_t),
+ (u8 *) hdr);
enqueued = svm_fifo_enqueue_nowait (s->server_rx_fifo, b->current_length,
vlib_buffer_get_current (b));
if (PREDICT_FALSE ((b->flags & VLIB_BUFFER_NEXT_PRESENT) && enqueued >= 0))
@@ -530,6 +535,16 @@ session_manager_flush_enqueue_events (u8 transport_proto, u32 thread_index)
return errors;
}
+int
+session_manager_flush_all_enqueue_events (u8 transport_proto)
+{
+ vlib_thread_main_t *vtm = vlib_get_thread_main ();
+ int i, errors = 0;
+ for (i = 0; i < 1 + vtm->n_threads; i++)
+ errors += session_manager_flush_enqueue_events (transport_proto, i);
+ return errors;
+}
+
/**
* Init fifo tail and head pointers
*
@@ -825,7 +840,7 @@ session_open_cl (u32 app_index, session_endpoint_t * rmt, u32 opaque)
if (session_alloc_and_init (sm, tc, 1, &s))
return -1;
s->app_index = app->index;
- s->session_state = SESSION_STATE_CONNECTING_READY;
+ s->session_state = SESSION_STATE_OPENED;
/* Tell the app about the new event fifo for this session */
app->cb_fns.session_connected_callback (app->index, opaque, s, 0);
@@ -841,10 +856,6 @@ session_open_vc (u32 app_index, session_endpoint_t * rmt, u32 opaque)
u64 handle;
int rv;
- /* TODO until udp is fixed */
- if (rmt->transport_proto == TRANSPORT_PROTO_UDP)
- return session_open_cl (app_index, rmt, opaque);
-
tep = session_endpoint_to_transport (rmt);
rv = tp_vfts[rmt->transport_proto].open (tep);
if (rv < 0)
@@ -912,14 +923,6 @@ session_open (u32 app_index, session_endpoint_t * rmt, u32 opaque)
return session_open_srv_fns[tst] (app_index, rmt, opaque);
}
-/**
- * Ask transport to listen on local transport endpoint.
- *
- * @param s Session for which listen will be called. Note that unlike
- * established sessions, listen sessions are not associated to a
- * thread.
- * @param tep Local endpoint to be listened on.
- */
int
session_listen_vc (stream_session_t * s, session_endpoint_t * sep)
{
@@ -948,6 +951,40 @@ session_listen_vc (stream_session_t * s, session_endpoint_t * sep)
}
int
+session_listen_cl (stream_session_t * s, session_endpoint_t * sep)
+{
+ transport_connection_t *tc;
+ application_t *server;
+ segment_manager_t *sm;
+ u32 tci;
+
+ /* Transport bind/listen */
+ tci = tp_vfts[sep->transport_proto].bind (s->session_index,
+ session_endpoint_to_transport
+ (sep));
+
+ if (tci == (u32) ~ 0)
+ return -1;
+
+ /* Attach transport to session */
+ s->connection_index = tci;
+ tc = tp_vfts[sep->transport_proto].get_listener (tci);
+
+ /* Weird but handle it ... */
+ if (tc == 0)
+ return -1;
+
+ server = application_get (s->app_index);
+ sm = application_get_listen_segment_manager (server, s);
+ if (session_alloc_fifos (sm, s))
+ return -1;
+
+ /* Add to the main lookup table */
+ session_lookup_add_connection (tc, s->session_index);
+ return 0;
+}
+
+int
session_listen_app (stream_session_t * s, session_endpoint_t * sep)
{
session_endpoint_extended_t esep;
@@ -965,11 +1002,19 @@ typedef int (*session_listen_service_fn) (stream_session_t *,
static session_listen_service_fn
session_listen_srv_fns[TRANSPORT_N_SERVICES] = {
session_listen_vc,
- session_listen_vc,
+ session_listen_cl,
session_listen_app,
};
/* *INDENT-ON* */
+/**
+ * Ask transport to listen on local transport endpoint.
+ *
+ * @param s Session for which listen will be called. Note that unlike
+ * established sessions, listen sessions are not associated to a
+ * thread.
+ * @param tep Local endpoint to be listened on.
+ */
int
stream_session_listen (stream_session_t * s, session_endpoint_t * sep)
{
@@ -1125,7 +1170,8 @@ session_manager_get_evt_q_segment (void)
static session_fifo_rx_fn *session_tx_fns[TRANSPORT_TX_N_FNS] = {
session_tx_fifo_peek_and_snd,
session_tx_fifo_dequeue_and_snd,
- session_tx_fifo_dequeue_internal
+ session_tx_fifo_dequeue_internal,
+ session_tx_fifo_dequeue_and_snd
};
/* *INDENT-ON* */
@@ -1228,11 +1274,12 @@ session_manager_main_enable (vlib_main_t * vm)
vec_validate (smm->peekers_rw_locks, num_threads - 1);
for (i = 0; i < TRANSPORT_N_PROTO; i++)
- for (j = 0; j < num_threads; j++)
- {
- vec_validate (smm->session_to_enqueue[i], num_threads - 1);
- vec_validate (smm->current_enqueue_epoch[i], num_threads - 1);
- }
+ {
+ vec_validate (smm->current_enqueue_epoch[i], num_threads - 1);
+ vec_validate (smm->session_to_enqueue[i], num_threads - 1);
+ for (j = 0; j < num_threads; j++)
+ smm->current_enqueue_epoch[i][j] = 1;
+ }
for (i = 0; i < num_threads; i++)
{
diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index 0b53f61a10a..9d534aec19b 100644
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -204,6 +204,31 @@ struct _session_manager_main
};
+typedef struct session_dgram_pre_hdr_
+{
+ u32 data_length;
+ u32 data_offset;
+} session_dgram_pre_hdr_t;
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct session_dgram_header_
+{
+ u32 data_length;
+ u32 data_offset;
+ ip46_address_t rmt_ip;
+ ip46_address_t lcl_ip;
+ u16 rmt_port;
+ u16 lcl_port;
+ u8 is_ip4;
+}) session_dgram_hdr_t;
+/* *INDENT-ON* */
+
+#define SESSION_CONN_ID_LEN 37
+#define SESSION_CONN_HDR_LEN 45
+
+STATIC_ASSERT (sizeof (session_dgram_hdr_t) == (SESSION_CONN_ID_LEN + 8),
+ "session conn id wrong length");
+
extern session_manager_main_t session_manager_main;
extern vlib_node_registration_t session_queue_node;
@@ -342,6 +367,14 @@ session_has_transport (stream_session_t * s)
return (session_get_transport_proto (s) != TRANSPORT_PROTO_NONE);
}
+always_inline transport_service_type_t
+session_transport_service_type (stream_session_t * s)
+{
+ transport_proto_t tp;
+ tp = session_get_transport_proto (s);
+ return transport_protocol_service_type (tp);
+}
+
/**
* Acquires a lock that blocks a session pool from expanding.
*
@@ -442,8 +475,10 @@ int
session_enqueue_stream_connection (transport_connection_t * tc,
vlib_buffer_t * b, u32 offset,
u8 queue_event, u8 is_in_order);
-int session_enqueue_dgram_connection (stream_session_t * s, vlib_buffer_t * b,
- u8 proto, u8 queue_event);
+int session_enqueue_dgram_connection (stream_session_t * s,
+ session_dgram_hdr_t * hdr,
+ vlib_buffer_t * b, u8 proto,
+ u8 queue_event);
int stream_session_peek_bytes (transport_connection_t * tc, u8 * buffer,
u32 offset, u32 max_bytes);
u32 stream_session_dequeue_drop (transport_connection_t * tc, u32 max_bytes);
@@ -490,6 +525,7 @@ session_manager_get_vpp_event_queue (u32 thread_index)
}
int session_manager_flush_enqueue_events (u8 proto, u32 thread_index);
+int session_manager_flush_all_enqueue_events (u8 transport_proto);
always_inline u64
listen_session_get_handle (stream_session_t * s)
diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c
index 2a74a196201..67c42faf692 100755
--- a/src/vnet/session/session_api.c
+++ b/src/vnet/session/session_api.c
@@ -480,9 +480,12 @@ done:
static void
vl_api_bind_uri_t_handler (vl_api_bind_uri_t * mp)
{
- vl_api_bind_uri_reply_t *rmp;
+ transport_connection_t *tc = 0;
vnet_bind_args_t _a, *a = &_a;
- application_t *app;
+ vl_api_bind_uri_reply_t *rmp;
+ stream_session_t *s;
+ application_t *app = 0;
+ svm_queue_t *vpp_evt_q;
int rv;
if (session_manager_is_enabled () == 0)
@@ -505,7 +508,30 @@ vl_api_bind_uri_t_handler (vl_api_bind_uri_t * mp)
}
done:
- REPLY_MACRO (VL_API_BIND_URI_REPLY);
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2 (VL_API_BIND_URI_REPLY, ({
+ if (!rv)
+ {
+ rmp->handle = a->handle;
+ rmp->lcl_is_ip4 = tc->is_ip4;
+ rmp->lcl_port = tc->lcl_port;
+ if (app && application_has_global_scope (app))
+ {
+ s = listen_session_get_from_handle (a->handle);
+ tc = listen_session_get_transport (s);
+ clib_memcpy (rmp->lcl_ip, &tc->lcl_ip, sizeof(tc->lcl_ip));
+ if (session_transport_service_type (s) == TRANSPORT_SERVICE_CL)
+ {
+ rmp->rx_fifo = pointer_to_uword (s->server_rx_fifo);
+ rmp->tx_fifo = pointer_to_uword (s->server_tx_fifo);
+ vpp_evt_q = session_manager_get_vpp_event_queue (0);
+ rmp->vpp_evt_q = pointer_to_uword (vpp_evt_q);
+ }
+ }
+ }
+ }));
+ /* *INDENT-ON* */
}
static void
@@ -733,6 +759,7 @@ vl_api_bind_sock_t_handler (vl_api_bind_sock_t * mp)
stream_session_t *s;
transport_connection_t *tc = 0;
ip46_address_t *ip46;
+ svm_queue_t *vpp_evt_q;
if (session_manager_is_enabled () == 0)
{
@@ -775,8 +802,14 @@ done:
{
s = listen_session_get_from_handle (a->handle);
tc = listen_session_get_transport (s);
- rmp->lcl_is_ip4 = tc->is_ip4;
clib_memcpy (rmp->lcl_ip, &tc->lcl_ip, sizeof (tc->lcl_ip));
+ if (session_transport_service_type (s) == TRANSPORT_SERVICE_CL)
+ {
+ rmp->rx_fifo = pointer_to_uword (s->server_rx_fifo);
+ rmp->tx_fifo = pointer_to_uword (s->server_tx_fifo);
+ vpp_evt_q = session_manager_get_vpp_event_queue (0);
+ rmp->vpp_evt_q = pointer_to_uword (vpp_evt_q);
+ }
}
}
}));
diff --git a/src/vnet/session/session_cli.c b/src/vnet/session/session_cli.c
index 52833554a53..201f6f1d66e 100755
--- a/src/vnet/session/session_cli.c
+++ b/src/vnet/session/session_cli.c
@@ -23,6 +23,9 @@ format_stream_session_fifos (u8 * s, va_list * args)
session_fifo_event_t _e, *e = &_e;
u8 found;
+ if (!ss->server_rx_fifo || !ss->server_tx_fifo)
+ return s;
+
s = format (s, " Rx fifo: %U", format_svm_fifo, ss->server_rx_fifo, 1);
if (verbose > 2 && ss->server_rx_fifo->has_event)
{
@@ -76,6 +79,8 @@ format_stream_session (u8 * s, va_list * args)
{
s = format (s, "%-40U%v", tp_vft->format_listener, ss->connection_index,
str);
+ if (verbose > 1)
+ s = format (s, "\n%U", format_stream_session_fifos, ss, verbose);
}
else if (ss->session_state == SESSION_STATE_CONNECTING)
{
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index b8f429eb1d7..14716965547 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -70,7 +70,7 @@ session_tx_fifo_chain_tail (session_manager_main_t * smm, vlib_main_t * vm,
vlib_buffer_t * b0, u32 bi0, u8 n_bufs_per_seg,
u32 left_from_seg, u32 * left_to_snd0,
u16 * n_bufs, u32 * tx_offset, u16 deq_per_buf,
- u8 peek_data)
+ u8 peek_data, transport_tx_fn_type_t tx_type)
{
vlib_buffer_t *chain_b0, *prev_b0;
u32 chain_bi0, to_deq;
@@ -102,7 +102,23 @@ session_tx_fifo_chain_tail (session_manager_main_t * smm, vlib_main_t * vm,
}
else
{
- n_bytes_read = svm_fifo_dequeue_nowait (fifo, len_to_deq0, data0);
+ if (tx_type == TRANSPORT_TX_DGRAM)
+ {
+ session_dgram_hdr_t *hdr;
+ u16 deq_now;
+ hdr = (session_dgram_hdr_t *) svm_fifo_head (fifo);
+ deq_now = clib_min (hdr->data_length - hdr->data_offset,
+ len_to_deq0);
+ n_bytes_read = svm_fifo_peek (fifo, hdr->data_offset, deq_now,
+ data0);
+ ASSERT (n_bytes_read > 0);
+
+ hdr->data_offset += n_bytes_read;
+ if (hdr->data_offset == hdr->data_length)
+ svm_fifo_dequeue_drop (fifo, hdr->data_length);
+ }
+ else
+ n_bytes_read = svm_fifo_dequeue_nowait (fifo, len_to_deq0, data0);
}
ASSERT (n_bytes_read == len_to_deq0);
chain_b0->current_length = n_bytes_read;
@@ -145,12 +161,35 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
int i, n_bytes_read;
u32 n_bytes_per_buf, deq_per_buf, deq_per_first_buf;
u32 bufs_alloc, bufs_now;
+ session_dgram_hdr_t hdr;
next_index = next0 = smm->session_type_to_next[s0->session_type];
-
tp = session_get_transport_proto (s0);
transport_vft = transport_protocol_get_vft (tp);
- tc0 = transport_vft->get_connection (s0->connection_index, thread_index);
+ if (peek_data)
+ {
+ if (PREDICT_FALSE (s0->session_state < SESSION_STATE_READY))
+ {
+ /* Can retransmit for closed sessions but can't send new data if
+ * session is not ready or closed */
+ vec_add1 (smm->pending_event_vector[thread_index], *e0);
+ return 0;
+ }
+ tc0 =
+ transport_vft->get_connection (s0->connection_index, thread_index);
+ }
+ else
+ {
+ if (s0->session_state == SESSION_STATE_LISTENING)
+ tc0 = transport_vft->get_listener (s0->connection_index);
+ else
+ {
+ if (PREDICT_FALSE (s0->session_state == SESSION_STATE_CLOSED))
+ return 0;
+ tc0 = transport_vft->get_connection (s0->connection_index,
+ thread_index);
+ }
+ }
/* Make sure we have space to send and there's something to dequeue */
snd_mss0 = transport_vft->send_mss (tc0);
@@ -168,20 +207,26 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
/* Check how much we can pull. */
max_dequeue0 = svm_fifo_max_dequeue (s0->server_tx_fifo);
-
if (peek_data)
{
/* Offset in rx fifo from where to peek data */
tx_offset = transport_vft->tx_fifo_offset (tc0);
if (PREDICT_FALSE (tx_offset >= max_dequeue0))
- max_dequeue0 = 0;
- else
- max_dequeue0 -= tx_offset;
+ return 0;
+ max_dequeue0 -= tx_offset;
}
-
- /* Nothing to read return */
- if (max_dequeue0 == 0)
- return 0;
+ else
+ {
+ if (transport_vft->tx_type == TRANSPORT_TX_DGRAM)
+ {
+ if (max_dequeue0 < sizeof (hdr))
+ return 0;
+ svm_fifo_peek (s0->server_tx_fifo, 0, sizeof (hdr), (u8 *) & hdr);
+ ASSERT (hdr.data_length > hdr.data_offset);
+ max_dequeue0 = hdr.data_length - hdr.data_offset;
+ }
+ }
+ ASSERT (max_dequeue0 > 0);
/* Ensure we're not writing more than transport window allows */
if (max_dequeue0 < snd_space0)
@@ -286,14 +331,42 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else
{
- n_bytes_read = svm_fifo_dequeue_nowait (s0->server_tx_fifo,
- len_to_deq0, data0);
- if (n_bytes_read <= 0)
- goto dequeue_fail;
+ if (transport_vft->tx_type == TRANSPORT_TX_DGRAM)
+ {
+ svm_fifo_t *f = s0->server_tx_fifo;
+ u16 deq_now;
+ u32 offset;
+
+ ASSERT (hdr.data_length > hdr.data_offset);
+ deq_now = clib_min (hdr.data_length - hdr.data_offset,
+ len_to_deq0);
+ offset = hdr.data_offset + SESSION_CONN_HDR_LEN;
+ n_bytes_read = svm_fifo_peek (f, offset, deq_now, data0);
+ if (PREDICT_FALSE (n_bytes_read <= 0))
+ goto dequeue_fail;
+
+ if (s0->session_state == SESSION_STATE_LISTENING)
+ {
+ ip_copy (&tc0->rmt_ip, &hdr.rmt_ip, tc0->is_ip4);
+ tc0->rmt_port = hdr.rmt_port;
+ }
+ hdr.data_offset += n_bytes_read;
+ if (hdr.data_offset == hdr.data_length)
+ {
+ offset = hdr.data_length + SESSION_CONN_HDR_LEN;
+ svm_fifo_dequeue_drop (f, offset);
+ }
+ }
+ else
+ {
+ n_bytes_read = svm_fifo_dequeue_nowait (s0->server_tx_fifo,
+ len_to_deq0, data0);
+ if (n_bytes_read <= 0)
+ goto dequeue_fail;
+ }
}
b0->current_length = n_bytes_read;
-
left_to_snd0 -= n_bytes_read;
*n_tx_packets = *n_tx_packets + 1;
@@ -307,7 +380,8 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
s0->server_tx_fifo, b0, bi0,
n_bufs_per_seg, left_for_seg,
&left_to_snd0, &n_bufs, &tx_offset,
- deq_per_buf, peek_data);
+ deq_per_buf, peek_data,
+ transport_vft->tx_type);
}
/* Ask transport to push header after current_length and
@@ -345,12 +419,18 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
/* If we couldn't dequeue all bytes mark as partially read */
if (max_len_to_snd0 < max_dequeue0)
+ if (svm_fifo_set_event (s0->server_tx_fifo))
+ vec_add1 (smm->pending_event_vector[thread_index], *e0);
+
+ if (!peek_data && transport_vft->tx_type == TRANSPORT_TX_DGRAM)
{
- /* If we don't already have new event */
- if (svm_fifo_set_event (s0->server_tx_fifo))
- {
- vec_add1 (smm->pending_event_vector[thread_index], *e0);
- }
+ /* Fix dgram pre header */
+ if (max_len_to_snd0 < max_dequeue0)
+ svm_fifo_overwrite_head (s0->server_tx_fifo, (u8 *) & hdr,
+ sizeof (session_dgram_pre_hdr_t));
+ /* More data needs to be read */
+ else if (svm_fifo_max_dequeue (s0->server_tx_fifo) > 0)
+ vec_add1 (smm->pending_event_vector[thread_index], *e0);
}
return 0;
@@ -360,7 +440,6 @@ dequeue_fail:
* read, return buff to free list and return
*/
clib_warning ("dequeue fail");
-
if (svm_fifo_set_event (s0->server_tx_fifo))
{
vec_add1 (smm->pending_event_vector[thread_index], *e0);
@@ -638,13 +717,6 @@ skip_dequeue:
clib_warning ("It's dead, Jim!");
continue;
}
- /* Can retransmit for closed sessions but can't do anything if
- * session is not ready or closed */
- if (PREDICT_FALSE (s0->session_state < SESSION_STATE_READY))
- {
- vec_add1 (smm->pending_event_vector[my_thread_index], *e0);
- continue;
- }
/* Spray packets in per session type frames, since they go to
* different nodes */
rv = (smm->session_tx_fns[s0->session_type]) (vm, node, smm, e0, s0,
diff --git a/src/vnet/session/stream_session.h b/src/vnet/session/stream_session.h
index b7a5eee4b12..9e0e4d98990 100644
--- a/src/vnet/session/stream_session.h
+++ b/src/vnet/session/stream_session.h
@@ -31,30 +31,19 @@ typedef enum
SESSION_STATE_CONNECTING,
SESSION_STATE_ACCEPTING,
SESSION_STATE_READY,
- SESSION_STATE_CONNECTING_READY,
+ SESSION_STATE_OPENED,
SESSION_STATE_CLOSED,
SESSION_STATE_N_STATES,
} stream_session_state_t;
-/* TODO convert to macro once cleanup completed */
-typedef struct app_session_
+typedef struct generic_session_
{
- /** fifo pointers. Once allocated, these do not move */
- svm_fifo_t *server_rx_fifo;
- svm_fifo_t *server_tx_fifo;
-
- /** Type */
- session_type_t session_type;
-
- /** State */
- volatile u8 session_state;
-
- /** Session index in owning pool */
- u32 session_index;
-
- /** Application index */
- u32 app_index;
-} app_session_t;
+ svm_fifo_t *rx_fifo; /**< rx fifo */
+ svm_fifo_t *tx_fifo; /**< tx fifo */
+ session_type_t session_type; /**< session type */
+ volatile u8 session_state; /**< session state */
+ u32 session_index; /**< index in owning pool */
+} generic_session_t;
typedef struct _stream_session_t
{
diff --git a/src/vnet/session/transport.c b/src/vnet/session/transport.c
index 797bdad1eaa..20b912929b4 100644
--- a/src/vnet/session/transport.c
+++ b/src/vnet/session/transport.c
@@ -57,6 +57,9 @@ format_transport_proto (u8 * s, va_list * args)
case TRANSPORT_PROTO_SCTP:
s = format (s, "SCTP");
break;
+ case TRANSPORT_PROTO_UDPC:
+ s = format (s, "UDPC");
+ break;
}
return s;
}
@@ -76,6 +79,9 @@ format_transport_proto_short (u8 * s, va_list * args)
case TRANSPORT_PROTO_SCTP:
s = format (s, "S");
break;
+ case TRANSPORT_PROTO_UDPC:
+ s = format (s, "U");
+ break;
}
return s;
}
@@ -100,6 +106,10 @@ unformat_transport_proto (unformat_input_t * input, va_list * args)
*proto = TRANSPORT_PROTO_TLS;
else if (unformat (input, "TLS"))
*proto = TRANSPORT_PROTO_TLS;
+ else if (unformat (input, "udpc"))
+ *proto = TRANSPORT_PROTO_UDPC;
+ else if (unformat (input, "UDPC"))
+ *proto = TRANSPORT_PROTO_UDPC;
else
return 0;
return 1;
@@ -185,6 +195,12 @@ transport_protocol_get_vft (transport_proto_t transport_proto)
return &tp_vfts[transport_proto];
}
+transport_service_type_t
+transport_protocol_service_type (transport_proto_t tp)
+{
+ return tp_vfts[tp].service_type;
+}
+
#define PORT_MASK ((1 << 16)- 1)
void
diff --git a/src/vnet/session/transport.h b/src/vnet/session/transport.h
index ed9eb02754e..8340fd859ac 100644
--- a/src/vnet/session/transport.h
+++ b/src/vnet/session/transport.h
@@ -35,10 +35,10 @@ typedef struct _transport_connection
{
ip46_address_t rmt_ip; /**< Remote IP */
ip46_address_t lcl_ip; /**< Local IP */
- u16 lcl_port; /**< Local port */
u16 rmt_port; /**< Remote port */
- u8 proto; /**< Protocol id */
+ u16 lcl_port; /**< Local port */
u8 is_ip4; /**< Flag if IP4 connection */
+ u8 proto; /**< Protocol id */
u32 fib_index; /**< Network namespace */
};
/*
@@ -88,6 +88,7 @@ typedef enum _transport_proto
TRANSPORT_PROTO_SCTP,
TRANSPORT_PROTO_NONE,
TRANSPORT_PROTO_TLS,
+ TRANSPORT_PROTO_UDPC,
TRANSPORT_N_PROTO
} transport_proto_t;
@@ -99,7 +100,7 @@ uword unformat_transport_proto (unformat_input_t * input, va_list * args);
_(u32, sw_if_index) /**< interface endpoint is associated with */ \
_(ip46_address_t, ip) /**< ip address */ \
_(u32, fib_index) /**< fib table endpoint is associated with */ \
- _(u8, is_ip4) /**< 1 if ip4 */ \
+ _(u8, is_ip4) /**< set if ip4 */ \
_(u16, port) /**< port in net order */ \
typedef struct _transport_endpoint
@@ -125,18 +126,6 @@ transport_endpoint_fib_proto (transport_endpoint_t * tep)
return tep->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
}
-always_inline u8
-transport_is_stream (u8 proto)
-{
- return ((proto == TRANSPORT_PROTO_TCP) || (proto == TRANSPORT_PROTO_SCTP));
-}
-
-always_inline u8
-transport_is_dgram (u8 proto)
-{
- return (proto == TRANSPORT_PROTO_UDP);
-}
-
int transport_alloc_local_port (u8 proto, ip46_address_t * ip);
int transport_alloc_local_endpoint (u8 proto, transport_endpoint_t * rmt,
ip46_address_t * lcl_addr,
diff --git a/src/vnet/session/transport_interface.h b/src/vnet/session/transport_interface.h
index 04a5ff263b1..f21e483c715 100644
--- a/src/vnet/session/transport_interface.h
+++ b/src/vnet/session/transport_interface.h
@@ -23,7 +23,8 @@ typedef enum transport_dequeue_type_
{
TRANSPORT_TX_PEEK, /**< reliable transport protos */
TRANSPORT_TX_DEQUEUE, /**< unreliable transport protos */
- TRANSPORT_TX_INTERNAL, /**< apps acting as transports */
+ TRANSPORT_TX_INTERNAL, /**< apps acting as transports */
+ TRANSPORT_TX_DGRAM, /**< datagram mode */
TRANSPORT_TX_N_FNS
} transport_tx_fn_type_t;
@@ -31,7 +32,7 @@ typedef enum transport_service_type_
{
TRANSPORT_SERVICE_VC, /**< virtual circuit service */
TRANSPORT_SERVICE_CL, /**< connectionless service */
- TRANSPORT_SERVICE_APP, /**< app transport service */
+ TRANSPORT_SERVICE_APP, /**< app transport service */
TRANSPORT_N_SERVICES
} transport_service_type_t;
@@ -96,6 +97,7 @@ void transport_register_protocol (transport_proto_t transport_proto,
const transport_proto_vft_t * vft,
fib_protocol_t fib_proto, u32 output_node);
transport_proto_vft_t *transport_protocol_get_vft (transport_proto_t tp);
+transport_service_type_t transport_protocol_service_type (transport_proto_t);
void transport_update_time (f64 time_now, u8 thread_index);
void transport_enable_disable (vlib_main_t * vm, u8 is_en);
diff --git a/src/vnet/udp/udp.c b/src/vnet/udp/udp.c
index 3b8b707abe1..947cc1e38e1 100644
--- a/src/vnet/udp/udp.c
+++ b/src/vnet/udp/udp.c
@@ -49,6 +49,7 @@ udp_connection_alloc (u32 thread_index)
uc->c_c_index = uc - um->connections[thread_index];
uc->c_thread_index = thread_index;
uc->c_proto = TRANSPORT_PROTO_UDP;
+ clib_spinlock_init (&uc->rx_lock);
return uc;
}
@@ -92,6 +93,7 @@ udp_session_bind (u32 session_index, transport_endpoint_t * lcl)
listener->c_proto = TRANSPORT_PROTO_UDP;
listener->c_s_index = session_index;
listener->c_fib_index = lcl->fib_index;
+ clib_spinlock_init (&listener->rx_lock);
node_index = lcl->is_ip4 ? udp4_input_node.index : udp6_input_node.index;
udp_register_dst_port (vm, clib_net_to_host_u16 (lcl->port), node_index,
@@ -140,7 +142,7 @@ udp_push_header (transport_connection_t * tc, vlib_buffer_t * b)
vnet_buffer (b)->l3_hdr_offset = (u8 *) ih - b->data;
}
vnet_buffer (b)->sw_if_index[VLIB_RX] = 0;
- vnet_buffer (b)->sw_if_index[VLIB_TX] = ~0;
+ vnet_buffer (b)->sw_if_index[VLIB_TX] = uc->c_fib_index;
b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED;
return 0;
@@ -210,7 +212,7 @@ format_udp_connection (u8 * s, va_list * args)
if (verbose)
{
if (verbose == 1)
- s = format (s, "%-15s", "-");
+ s = format (s, "%-15s\n", "-");
else
s = format (s, "\n");
}
@@ -322,8 +324,52 @@ const static transport_proto_vft_t udp_proto = {
.format_connection = format_udp_session,
.format_half_open = format_udp_half_open_session,
.format_listener = format_udp_listener_session,
+ .tx_type = TRANSPORT_TX_DGRAM,
+ .service_type = TRANSPORT_SERVICE_CL,
+};
+/* *INDENT-ON* */
+
+
+int
+udpc_connection_open (transport_endpoint_t * rmt)
+{
+ udp_connection_t *uc;
+ u32 uc_index;
+ uc_index = udp_open_connection (rmt);
+ uc = udp_connection_get (uc_index, vlib_get_thread_index ());
+ uc->is_connected = 1;
+ return uc_index;
+}
+
+u32
+udpc_connection_listen (u32 session_index, transport_endpoint_t * lcl)
+{
+ udp_connection_t *listener;
+ u32 li;
+ li = udp_session_bind (session_index, lcl);
+ listener = udp_listener_get (li);
+ listener->is_connected = 1;
+ return li;
+}
+
+/* *INDENT-OFF* */
+const static transport_proto_vft_t udpc_proto = {
+ .bind = udpc_connection_listen,
+ .open = udpc_connection_open,
+ .unbind = udp_session_unbind,
+ .push_header = udp_push_header,
+ .get_connection = udp_session_get,
+ .get_listener = udp_session_get_listener,
+ .get_half_open = udp_half_open_session_get_transport,
+ .close = udp_session_close,
+ .cleanup = udp_session_cleanup,
+ .send_mss = udp_send_mss,
+ .send_space = udp_send_space,
+ .format_connection = format_udp_session,
+ .format_half_open = format_udp_half_open_session,
+ .format_listener = format_udp_listener_session,
.tx_type = TRANSPORT_TX_DEQUEUE,
- .service_type = TRANSPORT_SERVICE_VC,
+ .service_type = TRANSPORT_SERVICE_CL,
};
/* *INDENT-ON* */
@@ -361,6 +407,10 @@ udp_init (vlib_main_t * vm)
FIB_PROTOCOL_IP4, ip4_lookup_node.index);
transport_register_protocol (TRANSPORT_PROTO_UDP, &udp_proto,
FIB_PROTOCOL_IP6, ip6_lookup_node.index);
+ transport_register_protocol (TRANSPORT_PROTO_UDPC, &udpc_proto,
+ FIB_PROTOCOL_IP4, ip4_lookup_node.index);
+ transport_register_protocol (TRANSPORT_PROTO_UDPC, &udpc_proto,
+ FIB_PROTOCOL_IP6, ip6_lookup_node.index);
/*
* Initialize data structures
diff --git a/src/vnet/udp/udp.h b/src/vnet/udp/udp.h
index af6c6b82c6a..8e3ab9ec59e 100644
--- a/src/vnet/udp/udp.h
+++ b/src/vnet/udp/udp.h
@@ -36,9 +36,9 @@ typedef enum
typedef struct
{
- transport_connection_t connection; /** must be first */
- /** ersatz MTU to limit fifo pushes to test data size */
- u32 mtu;
+ transport_connection_t connection; /**< must be first */
+ clib_spinlock_t rx_lock; /**< rx fifo lock */
+ u8 is_connected; /**< connected mode */
} udp_connection_t;
#define foreach_udp4_dst_port \
@@ -207,7 +207,7 @@ udp_pool_remove_peeker (u32 thread_index)
}
always_inline udp_connection_t *
-udp_conenction_clone_safe (u32 connection_index, u32 thread_index)
+udp_connection_clone_safe (u32 connection_index, u32 thread_index)
{
udp_connection_t *old_c, *new_c;
u32 current_thread_index = vlib_get_thread_index ();
diff --git a/src/vnet/udp/udp_input.c b/src/vnet/udp/udp_input.c
index 8170cfbe49a..ad469f69667 100644
--- a/src/vnet/udp/udp_input.c
+++ b/src/vnet/udp/udp_input.c
@@ -13,20 +13,19 @@
* limitations under the License.
*/
+#include <vlibmemory/api.h>
#include <vlib/vlib.h>
-#include <vnet/vnet.h>
-#include <vnet/pg/pg.h>
-#include <vnet/ip/ip.h>
-#include <vnet/udp/udp.h>
#include <vppinfra/hash.h>
#include <vppinfra/error.h>
#include <vppinfra/elog.h>
+#include <vnet/vnet.h>
+#include <vnet/pg/pg.h>
+#include <vnet/ip/ip.h>
+#include <vnet/udp/udp.h>
#include <vnet/udp/udp_packet.h>
-
-#include <vlibmemory/api.h>
-#include "../session/application_interface.h"
+#include <vnet/session/session.h>
static char *udp_error_strings[] = {
#define udp_error(n,s) s,
@@ -106,9 +105,11 @@ udp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
ip6_header_t *ip60;
u8 *data0;
stream_session_t *s0;
- transport_connection_t *tc0 = 0;
- udp_connection_t *child0, *new_uc0;
- int written0;
+ udp_connection_t *uc0, *child0, *new_uc0;
+ transport_connection_t *tc0;
+ int wrote0;
+ void *rmt_addr, *lcl_addr;
+ session_dgram_hdr_t hdr0;
/* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
@@ -127,11 +128,14 @@ udp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
if (is_ip4)
{
- /* $$$$ fixme: udp_local doesn't do ip options correctly anyhow */
+ /* TODO: must fix once udp_local does ip options correctly */
ip40 = (ip4_header_t *) (((u8 *) udp0) - sizeof (*ip40));
s0 = session_lookup_safe4 (fib_index0, &ip40->dst_address,
&ip40->src_address, udp0->dst_port,
udp0->src_port, TRANSPORT_PROTO_UDP);
+ lcl_addr = &ip40->dst_address;
+ rmt_addr = &ip40->src_address;
+
}
else
{
@@ -139,67 +143,83 @@ udp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
s0 = session_lookup_safe6 (fib_index0, &ip60->dst_address,
&ip60->src_address, udp0->dst_port,
udp0->src_port, TRANSPORT_PROTO_UDP);
+ lcl_addr = &ip60->dst_address;
+ rmt_addr = &ip60->src_address;
}
- if (PREDICT_FALSE (s0 == 0))
+ if (PREDICT_FALSE (!s0))
{
error0 = UDP_ERROR_NO_LISTENER;
goto trace0;
}
- if (PREDICT_TRUE (s0->session_state == SESSION_STATE_READY))
+ if (s0->session_state == SESSION_STATE_OPENED)
{
+ /* TODO optimization: move cl session to right thread
+ * However, since such a move would affect the session handle,
+ * which we pass 'raw' to the app, we'd also have notify the
+ * app of the change or change the way we pass handles to apps.
+ */
tc0 = session_get_transport (s0);
+ uc0 = udp_get_connection_from_transport (tc0);
+ if (uc0->is_connected)
+ {
+ /*
+ * Clone the transport. It will be cleaned up with the
+ * session once we notify the session layer.
+ */
+ new_uc0 = udp_connection_clone_safe (s0->connection_index,
+ s0->thread_index);
+ ASSERT (s0->session_index == new_uc0->c_s_index);
+
+ /*
+ * Drop the 'lock' on pool resize
+ */
+ session_pool_remove_peeker (s0->thread_index);
+ session_dgram_connect_notify (&new_uc0->connection,
+ s0->thread_index, &s0);
+ tc0 = &new_uc0->connection;
+ }
}
- else if (s0->session_state == SESSION_STATE_CONNECTING_READY)
+ else if (s0->session_state == SESSION_STATE_READY)
{
- /*
- * Clone the transport. It will be cleaned up with the
- * session once we notify the session layer.
- */
- new_uc0 = udp_conenction_clone_safe (s0->connection_index,
- s0->thread_index);
- ASSERT (s0->session_index == new_uc0->c_s_index);
-
- /*
- * Drop the 'lock' on pool resize
- */
- session_pool_remove_peeker (s0->thread_index);
- session_dgram_connect_notify (&new_uc0->connection,
- s0->thread_index, &s0);
- tc0 = &new_uc0->connection;
+ tc0 = session_get_transport (s0);
+ uc0 = udp_get_connection_from_transport (tc0);
}
else if (s0->session_state == SESSION_STATE_LISTENING)
{
tc0 = listen_session_get_transport (s0);
-
- child0 = udp_connection_alloc (my_thread_index);
- if (is_ip4)
- {
- ip_set (&child0->c_lcl_ip, &ip40->dst_address, 1);
- ip_set (&child0->c_rmt_ip, &ip40->src_address, 1);
- }
- else
- {
- ip_set (&child0->c_lcl_ip, &ip60->dst_address, 0);
- ip_set (&child0->c_rmt_ip, &ip60->src_address, 0);
- }
- child0->c_lcl_port = udp0->dst_port;
- child0->c_rmt_port = udp0->src_port;
- child0->c_is_ip4 = is_ip4;
- child0->mtu = 1460; /* $$$$ policy */
-
- if (stream_session_accept
- (&child0->connection, tc0->s_index, 1))
+ uc0 = udp_get_connection_from_transport (tc0);
+ if (uc0->is_connected)
{
- error0 = UDP_ERROR_CREATE_SESSION;
- goto trace0;
+ child0 = udp_connection_alloc (my_thread_index);
+ if (is_ip4)
+ {
+ ip_set (&child0->c_lcl_ip, &ip40->dst_address, 1);
+ ip_set (&child0->c_rmt_ip, &ip40->src_address, 1);
+ }
+ else
+ {
+ ip_set (&child0->c_lcl_ip, &ip60->dst_address, 0);
+ ip_set (&child0->c_rmt_ip, &ip60->src_address, 0);
+ }
+ child0->c_lcl_port = udp0->dst_port;
+ child0->c_rmt_port = udp0->src_port;
+ child0->c_is_ip4 = is_ip4;
+
+ if (stream_session_accept (&child0->connection,
+ tc0->s_index, 1))
+ {
+ error0 = UDP_ERROR_CREATE_SESSION;
+ goto trace0;
+ }
+ s0 =
+ session_get (child0->c_s_index, child0->c_thread_index);
+ s0->session_state = SESSION_STATE_READY;
+ tc0 = &child0->connection;
+ uc0 = udp_get_connection_from_transport (tc0);
+ error0 = UDP_ERROR_LISTENER;
}
- s0 = session_get (child0->c_s_index, child0->c_thread_index);
- s0->session_state = SESSION_STATE_READY;
- tc0 = &child0->connection;
-
- error0 = UDP_ERROR_LISTENER;
}
else
{
@@ -207,15 +227,48 @@ udp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
goto trace0;
}
- written0 = session_enqueue_dgram_connection (s0, b0, tc0->proto,
- 1 /* queue evt */ );
- if (PREDICT_FALSE (written0 < 0))
+ if (!uc0->is_connected)
{
- error0 = UDP_ERROR_FIFO_FULL;
- goto trace0;
+ if (svm_fifo_max_enqueue (s0->server_rx_fifo)
+ < b0->current_length + sizeof (session_dgram_hdr_t))
+ {
+ error0 = UDP_ERROR_FIFO_FULL;
+ goto trace0;
+ }
+ hdr0.data_length = b0->current_length;
+ hdr0.data_offset = 0;
+ ip_set (&hdr0.lcl_ip, lcl_addr, is_ip4);
+ ip_set (&hdr0.rmt_ip, rmt_addr, is_ip4);
+ hdr0.lcl_port = udp0->dst_port;
+ hdr0.rmt_port = udp0->src_port;
+ hdr0.is_ip4 = is_ip4;
+
+ clib_spinlock_lock (&uc0->rx_lock);
+ wrote0 = session_enqueue_dgram_connection (s0, &hdr0, b0,
+ TRANSPORT_PROTO_UDP,
+ 1 /* queue evt */ );
+ clib_spinlock_unlock (&uc0->rx_lock);
+ ASSERT (wrote0 > 0);
+
+ if (s0->session_state != SESSION_STATE_LISTENING)
+ session_pool_remove_peeker (s0->thread_index);
+ }
+ else
+ {
+ if (svm_fifo_max_enqueue (s0->server_rx_fifo)
+ < b0->current_length)
+ {
+ error0 = UDP_ERROR_FIFO_FULL;
+ goto trace0;
+ }
+ wrote0 = session_enqueue_stream_connection (tc0, b0, 0,
+ 1 /* queue evt */ ,
+ 1 /* in order */ );
+ ASSERT (wrote0 > 0);
}
trace0:
+
b0->error = node->errors[error0];
if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
@@ -224,7 +277,7 @@ udp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
udp_input_trace_t *t = vlib_add_trace (vm, node, b0,
sizeof (*t));
- t->connection = tc0 ? tc0->c_index : ~0;
+ t->connection = s0 ? s0->connection_index : ~0;
t->disposition = error0;
t->thread_index = my_thread_index;
}
@@ -237,14 +290,11 @@ udp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- errors = session_manager_flush_enqueue_events (TRANSPORT_PROTO_UDP,
- my_thread_index);
+ errors = session_manager_flush_all_enqueue_events (TRANSPORT_PROTO_UDP);
udp_input_inc_counter (vm, is_ip4, UDP_ERROR_EVENT_FIFO_FULL, errors);
return frame->n_vectors;
}
-vlib_node_registration_t udp4_input_node;
-vlib_node_registration_t udp6_input_node;
static uword
udp4_input (vlib_main_t * vm, vlib_node_runtime_t * node,