typedef enum
{
STATE_START,
+ STATE_ATTACHED,
STATE_BOUND,
STATE_READY,
STATE_FAILED,
STATE_DISCONNECTING,
+ STATE_DETACHED
} connection_state_t;
-typedef struct
-{
- svm_fifo_t *server_rx_fifo;
- svm_fifo_t *server_tx_fifo;
-} session_t;
-
typedef struct
{
/* vpe input queue */
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;
/* 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;
+ svm_msg_q_t *our_event_queue;
/* $$$ single thread only for the moment */
- svm_queue_t *vpp_event_queue;
+ svm_msg_q_t *vpp_event_queue;
/* $$$$ hack: cut-through session index */
volatile u32 cut_through_session_index;
svm_fifo_segment_main_t *segment_main;
u8 *connect_test_data;
-} uri_udp_test_main_t;
+
+ uword *segments_table;
+ u8 do_echo;
+ u8 have_return;
+ u64 bytes_to_send;
+} udp_echo_main_t;
#if CLIB_DEBUG > 0
#define NITER 10000
#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;
}
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;
}
return 0;
}
-void
-application_send_attach (uri_udp_test_main_t * utm)
+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;
+}
+
+static void
+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));
bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
bmp->client_index = utm->my_client_index;
bmp->context = ntohl (0xfeedface);
- bmp->options[APP_OPTIONS_FLAGS] =
- APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT;
+ bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ADD_SEGMENT;
+ 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_FLAGS] |= APP_OPTIONS_FLAGS_USE_MQ_FOR_CTRL_MSGS;
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;
}
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));
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;
}
utm->our_event_queue =
- uword_to_pointer (mp->app_event_queue_address, svm_queue_t *);
+ uword_to_pointer (mp->app_event_queue_address, svm_msg_q_t *);
+ utm->state = STATE_ATTACHED;
}
static void
{
if (mp->retval)
clib_warning ("detach returned with err: %d", mp->retval);
+ udp_echo_main.state = STATE_DETACHED;
}
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;
}
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
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;
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);
/* We read from the tx fifo and write to the rx fifo */
do
{
- actual_transfer = svm_fifo_dequeue_nowait (tx_fifo,
+ actual_transfer = svm_fifo_dequeue_nowait (rx_fifo,
vec_len (my_copy_buffer),
my_copy_buffer);
}
buffer_offset = 0;
while (actual_transfer > 0)
{
- rv = svm_fifo_enqueue_nowait (rx_fifo, actual_transfer,
+ rv = svm_fifo_enqueue_nowait (tx_fifo, actual_transfer,
my_copy_buffer + buffer_offset);
if (rv > 0)
{
}
static void
-udp_client_connect (uri_udp_test_main_t * utm)
+session_accepted_handler (session_accepted_msg_t * mp)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ udp_echo_main_t *utm = &udp_echo_main;
+ session_accepted_reply_msg_t *rmp;
+ svm_fifo_t *rx_fifo, *tx_fifo;
+ app_session_t *session;
+ static f64 start_time;
+ u32 session_index;
+ int rv = 0;
+
+ 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_msg_q_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 *);
+
+ pool_get (utm->sessions, session);
+ memset (session, 0, sizeof (*session));
+ session_index = session - utm->sessions;
+
+ /* Cut-through case */
+ if (mp->server_event_queue_address)
+ {
+ clib_warning ("cut-through session");
+ utm->our_event_queue = uword_to_pointer (mp->server_event_queue_address,
+ svm_msg_q_t *);
+ rx_fifo->master_session_index = session_index;
+ tx_fifo->master_session_index = session_index;
+ utm->cut_through_session_index = session_index;
+ 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);
+ if (rv)
+ {
+ 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->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);
+ if (pool_elts (utm->sessions) && (pool_elts (utm->sessions) % 20000) == 0)
+ {
+ f64 now = clib_time_now (&utm->clib_time);
+ fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n",
+ pool_elts (utm->sessions), now - start_time,
+ (f64) pool_elts (utm->sessions) / (now - start_time));
+ }
+
+ app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
+ SESSION_CTRL_EVT_ACCEPTED_REPLY);
+ rmp = (session_accepted_reply_msg_t *) app_evt->evt->data;
+ rmp->handle = mp->handle;
+ rmp->context = mp->context;
+ rmp->retval = rv;
+ app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
+
+ CLIB_MEMORY_BARRIER ();
+ utm->state = STATE_READY;
+}
+
+static void
+session_disconnected_handler (session_disconnected_msg_t * mp)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ udp_echo_main_t *utm = &udp_echo_main;
+ session_disconnected_reply_msg_t *rmp;
+ app_session_t *session;
+ uword *p;
+ int rv = 0;
+
+ p = hash_get (utm->session_index_by_vpp_handles, mp->handle);
+
+ if (p)
+ {
+ session = pool_elt_at_index (utm->sessions, p[0]);
+ hash_unset (utm->session_index_by_vpp_handles, mp->handle);
+ pool_put (utm->sessions, session);
+ }
+ else
+ {
+ clib_warning ("couldn't find session key %llx", mp->handle);
+ return;
+ }
+
+ app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
+ SESSION_CTRL_EVT_DISCONNECTED_REPLY);
+ rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data;
+ rmp->retval = rv;
+ rmp->handle = mp->handle;
+ rmp->context = mp->context;
+ app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
+}
+
+static void
+session_connected_handler (session_connected_msg_t * mp)
+{
+ 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_server == 0);
+
+ if (mp->retval)
+ {
+ clib_warning ("failed connect");
+ return;
+ }
+
+ 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_msg_q_t *);
+ /* Cut-through case */
+ if (mp->client_event_queue_address)
+ {
+ clib_warning ("cut-through session");
+ utm->cut_through_session_index = session - utm->sessions;
+ utm->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
+ svm_msg_q_t *);
+ utm->our_event_queue = uword_to_pointer (mp->client_event_queue_address,
+ svm_msg_q_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_msg_q_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;
+}
+
+static void
+handle_mq_event (session_event_t * e)
+{
+ switch (e->event_type)
+ {
+ case SESSION_CTRL_EVT_ACCEPTED:
+ session_accepted_handler ((session_accepted_msg_t *) e->data);
+ break;
+ case SESSION_CTRL_EVT_CONNECTED:
+ session_connected_handler ((session_connected_msg_t *) e->data);
+ break;
+ case SESSION_CTRL_EVT_DISCONNECTED:
+ session_disconnected_handler ((session_disconnected_msg_t *) e->data);
+ break;
+ default:
+ clib_warning ("unhandled %u", e->event_type);
+ }
+}
+
+static void
+udp_client_send_connect (udp_echo_main_t * utm)
{
vl_api_connect_uri_t *cmp;
cmp = vl_msg_api_alloc (sizeof (*cmp));
}
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;
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);
}
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;
- u32 bytes_to_snd;
- u32 queue_max_chunk = 128 << 10, actual_write;
- session_fifo_event_t evt;
+ u64 bytes_sent = 0;
+ u32 bytes_to_snd, enq_space, min_chunk;
int rv;
+ min_chunk = clib_min (65536, s->tx_fifo->nitems);
bytes_to_snd = (bytes == 0) ? vec_len (test_data) : bytes;
if (bytes_to_snd > vec_len (test_data))
bytes_to_snd = vec_len (test_data);
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);
+ enq_space = svm_fifo_max_enqueue (s->tx_fifo);
+ if (enq_space < clib_min (bytes_to_snd, min_chunk))
+ continue;
+ 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;
+ f64 start_time, end_time, delta;
+ app_session_t *session;
+ char *transfer_type;
u32 n_iterations;
+ u8 *test_data;
int i;
- vec_validate (utm->connect_test_data, 64 * 1024 - 1);
+ vec_validate (utm->connect_test_data, 1024 * 1024 - 1);
for (i = 0; i < vec_len (utm->connect_test_data); i++)
utm->connect_test_data[i] = i & 0xff;
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);
- n_iterations = NITER;
+ n_iterations = utm->bytes_to_send / vec_len (test_data);
+ if (!n_iterations)
+ n_iterations = 1;
+ start_time = clib_time_now (&utm->clib_time);
for (i = 0; i < n_iterations; i++)
{
- send_test_chunk (utm, tx_fifo, mypid, 0);
- recv_test_chunk (utm, session);
+ send_test_chunk (utm, session, 0);
+ if (utm->have_return)
+ recv_test_chunk (utm, session);
if (utm->time_to_stop)
break;
}
- f64 timeout = clib_time_now (&utm->clib_time) + 5;
- while (clib_time_now (&utm->clib_time) < timeout)
+ if (utm->have_return)
{
- recv_test_chunk (utm, session);
+ f64 timeout = clib_time_now (&utm->clib_time) + 5;
+ while (clib_time_now (&utm->clib_time) < timeout)
+ recv_test_chunk (utm, session);
}
+ end_time = clib_time_now (&utm->clib_time);
+ delta = end_time - start_time;
+ transfer_type = utm->have_return ? "full-duplex" : "half-duplex";
+ clib_warning ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds",
+ utm->bytes_to_send, utm->bytes_to_send / (1ULL << 20),
+ utm->bytes_to_send / (1ULL << 30), delta);
+ clib_warning ("%.2f bytes/second %s", ((f64) utm->bytes_to_send) / (delta),
+ transfer_type);
+ clib_warning ("%.4f gbit/second %s",
+ (((f64) utm->bytes_to_send * 8.0) / delta / 1e9),
+ transfer_type);
+}
+
+static int
+application_attach (udp_echo_main_t * utm)
+{
+ application_send_attach (utm);
+ if (wait_for_state_change (utm, STATE_ATTACHED))
+ {
+ clib_warning ("timeout waiting for STATE_ATTACHED");
+ return -1;
+ }
+ return 0;
}
static void
-client_test (uri_udp_test_main_t * utm)
+client_test (udp_echo_main_t * utm)
{
- session_t *session;
+ f64 start_time, timeout = 100.0;
+ app_session_t *session;
+ svm_msg_q_msg_t msg;
+ session_event_t *e;
- application_send_attach (utm);
- udp_client_connect (utm);
+ if (application_attach (utm))
+ return;
+
+ udp_client_send_connect (utm);
+
+ start_time = clib_time_now (&utm->clib_time);
+ while (pool_elts (utm->sessions) != 1
+ && clib_time_now (&utm->clib_time) - start_time < timeout
+ && utm->state != STATE_FAILED)
- if (wait_for_state_change (utm, STATE_READY))
{
- clib_warning ("timeout waiting for STATE_READY");
- return;
+ svm_msg_q_sub (utm->our_event_queue, &msg, SVM_Q_WAIT, 0);
+ e = svm_msg_q_msg_data (utm->our_event_queue, &msg);
+ handle_mq_event (e);
+ svm_msg_q_free_msg (utm->our_event_queue, &msg);
}
if (utm->cut_through_session_index != ~0)
}
application_detach (utm);
+ wait_for_state_change (utm, STATE_DETACHED);
}
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)
{
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_msg_q_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)
{
+ 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;
int rv;
memset (a, 0, sizeof (*a));
mp->segment_name);
return;
}
- clib_warning ("Mapped new segment '%s' size %d", mp->segment_name,
- mp->segment_size);
+ seg = svm_fifo_segment_get_segment (a->new_segment_indices[0]);
+ clib_warning ("Mapped new segment '%s' size %d", seg->ssvm.name,
+ seg->ssvm.ssvm_size);
+ seg_name = format (0, "%s", (char *) mp->segment_name);
+ hash_set_mem (utm->segments_table, seg_name, a->new_segment_indices[0]);
+ vec_free (seg_name);
}
-/**
- * Acting as server for redirected connect requests
- */
static void
-vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp)
+vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp)
{
- u32 segment_index;
- uri_udp_test_main_t *utm = &uri_udp_test_main;
- svm_fifo_segment_main_t *sm = &svm_fifo_segment_main;
- svm_fifo_segment_create_args_t _a, *a = &_a;
+ udp_echo_main_t *utm = &udp_echo_main;
svm_fifo_segment_private_t *seg;
- svm_queue_t *client_q;
- vl_api_connect_session_reply_t *rmp;
- session_t *session = 0;
- int rv = 0;
+ u64 *seg_indexp;
+ u8 *seg_name;
- /* Create the segment */
- a->segment_name = (char *) format (0, "%d:segment%d%c", utm->my_pid,
- utm->unique_segment_index++, 0);
- a->segment_size = utm->configured_segment_size;
- rv = svm_fifo_segment_create (a);
- if (rv)
+ seg_name = format (0, "%s", mp->segment_name);
+ seg_indexp = hash_get_mem (utm->segments_table, seg_name);
+ if (!seg_indexp)
{
- clib_warning ("sm_fifo_segment_create ('%s') failed", a->segment_name);
- rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
- goto send_reply;
- }
-
- vec_add2 (utm->seg, seg, 1);
-
- segment_index = vec_len (sm->segments) - 1;
- memcpy (seg, sm->segments + segment_index, sizeof (utm->seg[0]));
-
- pool_get (utm->sessions, session);
-
- session->server_rx_fifo = svm_fifo_segment_alloc_fifo
- (utm->seg, 128 * 1024, FIFO_SEGMENT_RX_FREELIST);
- ASSERT (session->server_rx_fifo);
-
- session->server_tx_fifo = svm_fifo_segment_alloc_fifo
- (utm->seg, 128 * 1024, FIFO_SEGMENT_TX_FREELIST);
- ASSERT (session->server_tx_fifo);
-
- session->server_rx_fifo->master_session_index = session - utm->sessions;
- session->server_tx_fifo->master_session_index = session - utm->sessions;
- utm->cut_through_session_index = session - utm->sessions;
-
- rv = pthread_create (&utm->cut_through_thread_handle,
- NULL /*attr */ , cut_through_thread_fn, 0);
- if (rv)
- {
- clib_warning ("pthread_create returned %d", rv);
- rv = VNET_API_ERROR_SYSCALL_ERROR_1;
- }
-
-send_reply:
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
-
- rmp->_vl_msg_id = ntohs (VL_API_CONNECT_SESSION_REPLY);
- rmp->context = mp->context;
- rmp->retval = ntohl (rv);
- 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);
+ clib_warning ("segment not mapped: %s", seg_name);
+ return;
}
-
- memcpy (rmp->segment_name, a->segment_name, vec_len (a->segment_name));
-
- vec_free (a->segment_name);
-
- client_q = uword_to_pointer (mp->client_queue_address, svm_queue_t *);
- vl_msg_api_send_shmem (client_q, (u8 *) & rmp);
+ hash_unset_mem (utm->segments_table, seg_name);
+ seg = svm_fifo_segment_get_segment ((u32) seg_indexp[0]);
+ svm_fifo_segment_delete (seg);
+ clib_warning ("Unmapped segment '%s'", seg_name);
+ vec_free (seg_name);
}
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));
utm->state = STATE_START;
}
-static void
-vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
-{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
- vl_api_accept_session_reply_t *rmp;
- svm_fifo_t *rx_fifo, *tx_fifo;
- session_t *session;
- static f64 start_time;
-
- 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 *);
-
- pool_get (utm->sessions, session);
-
- rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
- rx_fifo->client_session_index = session - utm->sessions;
- tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
- tx_fifo->client_session_index = session - utm->sessions;
-
- session->server_rx_fifo = rx_fifo;
- session->server_tx_fifo = tx_fifo;
-
- hash_set (utm->session_index_by_vpp_handles, mp->handle,
- session - utm->sessions);
-
- if (pool_elts (utm->sessions) && (pool_elts (utm->sessions) % 20000) == 0)
- {
- f64 now = clib_time_now (&utm->clib_time);
- fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n",
- pool_elts (utm->sessions), now - start_time,
- (f64) pool_elts (utm->sessions) / (now - start_time));
- }
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
- rmp->handle = mp->handle;
- rmp->context = mp->context;
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
-
- CLIB_MEMORY_BARRIER ();
- utm->state = STATE_READY;
-}
-
-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;
- vl_api_disconnect_session_reply_t *rmp;
- uword *p;
- int rv = 0;
-
- p = hash_get (utm->session_index_by_vpp_handles, mp->handle);
-
- if (p)
- {
- session = pool_elt_at_index (utm->sessions, p[0]);
- hash_unset (utm->session_index_by_vpp_handles, mp->handle);
- pool_put (utm->sessions, session);
- }
- else
- {
- clib_warning ("couldn't find session key %llx", mp->handle);
- rv = -11;
- }
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
- rmp->retval = rv;
- rmp->handle = mp->handle;
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
-}
-
-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;
-
- ASSERT (utm->i_am_master == 0);
-
- if (mp->retval)
- {
- clib_warning ("failed connect");
- return;
- }
-
- /* We've been redirected */
- if (mp->segment_name_length > 0)
- {
- svm_fifo_segment_main_t *sm = &svm_fifo_segment_main;
- svm_fifo_segment_create_args_t _a, *a = &_a;
- u32 segment_index;
- svm_fifo_segment_private_t *seg;
- int rv;
-
- memset (a, 0, sizeof (*a));
- a->segment_name = (char *) mp->segment_name;
-
- sleep (1);
-
- rv = svm_fifo_segment_attach (a);
- if (rv)
- {
- clib_warning ("sm_fifo_segment_create ('%v') failed",
- mp->segment_name);
- return;
- }
-
- segment_index = a->new_segment_indices[0];
- vec_add2 (utm->seg, seg, 1);
- memcpy (seg, sm->segments + segment_index, sizeof (*seg));
- sleep (1);
- }
-
- 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);
-
- if (mp->segment_name_length > 0)
- utm->cut_through_session_index = session - utm->sessions;
- else
- {
- utm->connected_session = session - utm->sessions;
- utm->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
- svm_queue_t *);
- }
- utm->state = STATE_READY;
-}
-
#define foreach_tcp_echo_msg \
_(BIND_URI_REPLY, bind_uri_reply) \
-_(CONNECT_URI, connect_uri) \
-_(CONNECT_SESSION_REPLY, connect_session_reply) \
_(UNBIND_URI_REPLY, unbind_uri_reply) \
-_(ACCEPT_SESSION, accept_session) \
-_(DISCONNECT_SESSION, disconnect_session) \
_(MAP_ANOTHER_SEGMENT, map_another_segment) \
+_(UNMAP_SEGMENT, unmap_segment) \
_(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, \
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)
}
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));
}
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_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;
+ session_event_t *e;
+ svm_msg_q_msg_t msg;
while (utm->state != STATE_READY)
sleep (5);
while (1)
{
- svm_queue_sub (utm->our_event_queue, (u8 *) e, SVM_Q_WAIT, 0);
+ if (svm_msg_q_sub (utm->our_event_queue, &msg, SVM_Q_WAIT, 0))
+ {
+ clib_warning ("svm msg q returned");
+ continue;
+ }
+ e = svm_msg_q_msg_data (utm->our_event_queue, &msg);
switch (e->event_type)
{
case FIFO_EVENT_APP_RX:
server_handle_fifo_event_rx (utm, e);
break;
- case FIFO_EVENT_DISCONNECT:
- return;
-
default:
- clib_warning ("unknown event type %d", e->event_type);
+ handle_mq_event (e);
break;
}
+ svm_msg_q_free_msg (utm->our_event_queue, &msg);
if (PREDICT_FALSE (utm->time_to_stop == 1))
return;
if (PREDICT_FALSE (utm->time_to_print_stats == 1))
}
static void
-server_unbind (uri_udp_test_main_t * utm)
+server_unbind (udp_echo_main_t * utm)
{
vl_api_unbind_uri_t *ump;
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;
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;
}
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://6.0.1.1/1234";
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;
- u8 *heap;
u32 tmp;
int i;
- clib_mem_init (0, 256 << 20);
-
- heap = clib_mem_get_per_cpu_heap ();
- h = mheap_header (heap);
+ clib_mem_init_thread_safe (0, 256 << 20);
- /* make the main heap thread-safe */
- h->flags |= MHEAP_FLAG_THREAD_SAFE;
+ svm_fifo_segment_main_init (0x200000000ULL, 20);
vec_validate (utm->rx_buf, 8192);
-
utm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
utm->my_pid = getpid ();
utm->configured_segment_size = 1 << 20;
-
+ utm->segments_table = hash_create_vec (0, sizeof (u8), sizeof (u64));
+ utm->have_return = 1;
+ utm->bytes_to_send = 1024;
+ utm->fifo_size = 128 << 10;
+ utm->segment_main = &svm_fifo_segment_main;
+ utm->cut_through_session_index = ~0;
clib_time_init (&utm->clib_time);
+
init_error_string_table (utm);
- svm_fifo_segment_init (0x200000000ULL, 20);
unformat_init_command_line (a, argv);
while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
{
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 if (unformat (a, "no-return"))
+ utm->have_return = 0;
+ else if (unformat (a, "mbytes %d", &tmp))
+ utm->bytes_to_send = (u64) tmp << 20;
+ else if (unformat (a, "fifo-size %d", &tmp))
+ utm->fifo_size = tmp << 10;
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->segment_main = &svm_fifo_segment_main;
- utm->connect_uri = format (0, "udp://6.0.1.2/1234%c", 0);
+ utm->i_am_server = i_am_server;
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 ();
exit (1);
}
- if (i_am_master == 0)
+ if (i_am_server == 0)
{
client_test (utm);
- exit (0);
+ goto done;
}
/* $$$$ hack preallocation */
udp_server_test (utm);
+done:
vl_client_disconnect_from_vlib ();
exit (0);
}
Code Review / vpp.git / blobdiff