--- /dev/null
+#!/usr/bin/env python
+
+import socket
+import sys
+import bitstring
+
+# action can be reflect or drop
+action = "drop"
+
+def handle_connection (connection, client_address):
+ print("Received connection from {}".format(repr(client_address)))
+ try:
+ while True:
+ data = connection.recv(4096)
+ if not data:
+ break;
+ if (action != "drop"):
+ connection.sendall(data)
+ finally:
+ connection.close()
+
+def run_server(ip, port):
+ print("Starting server {}:{}".format(repr(ip), repr(port)))
+ sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ server_address = (ip, int(port))
+ sock.bind(server_address)
+ sock.listen(1)
+
+ while True:
+ connection, client_address = sock.accept()
+ handle_connection (connection, client_address)
+
+def prepare_data():
+ buf = []
+ for i in range (0, pow(2, 16)):
+ buf.append(i & 0xff)
+ return bytearray(buf)
+
+def run_client(ip, port):
+ print("Starting client {}:{}".format(repr(ip), repr(port)))
+ sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ server_address = ("6.0.1.1", 1234)
+ sock.connect(server_address)
+
+ data = prepare_data()
+ try:
+ sock.sendall(data)
+ finally:
+ sock.close()
+
+def run(mode, ip, port):
+ if (mode == "server"):
+ run_server (ip, port)
+ elif (mode == "client"):
+ run_client (ip, port)
+ else:
+ raise Exception("Unknown mode. Only client and server supported")
+
+if __name__ == "__main__":
+ if (len(sys.argv)) < 4:
+ raise Exception("Usage: ./dummy_app <mode> <ip> <port> [<action>]")
+ if (len(sys.argv) == 5):
+ action = sys.argv[4]
+
+ run (sys.argv[1], sys.argv[2], sys.argv[3])
set int state host-vpp1 up
set int ip address host-vpp1 6.0.1.1/24
trace add af-packet-input 10
+session enable
{
/* Number of bytes in first copy segment */
first_copy_bytes =
- ((nitems - f->head) < total_copy_bytes) ?
- (nitems - f->head) : total_copy_bytes;
- clib_memcpy (copy_here, &f->data[f->head], first_copy_bytes);
+ ((nitems - f->head + offset) < total_copy_bytes) ?
+ (nitems - f->head + offset) : total_copy_bytes;
+ clib_memcpy (copy_here, &f->data[f->head + offset], first_copy_bytes);
/* Number of bytes in second copy segment, if any */
second_copy_bytes = total_copy_bytes - first_copy_bytes;
# See the License for the specific language governing permissions and
# limitations under the License.
-noinst_PROGRAMS += uri_udp_test2 uri_tcp_test
+noinst_PROGRAMS += uri_udp_test uri_tcp_test
-uri_udp_test2_SOURCES = uri/uri_udp_test2.c
-uri_udp_test2_LDADD = libvlibmemoryclient.la libvlibapi.la libsvm.la \
- libvppinfra.la -lpthread -lm -lrt
+uri_udp_test_SOURCES = uri/uri_udp_test.c
+uri_udp_test_LDADD = libvlibmemoryclient.la libvlibapi.la libsvm.la \
+ libvppinfra.la -lpthread -lm -lrt
uri_tcp_test_SOURCES = uri/uri_tcp_test.c
uri_tcp_test_LDADD = libvlibmemoryclient.la libvlibapi.la libsvm.la \
- libvppinfra.la -lpthread -lm -lrt
+ libvppinfra.la -lpthread -lm -lrt
#include <svm/svm_fifo_segment.h>
#include <vlibmemory/api.h>
#include <vpp/api/vpe_msg_enum.h>
+#include <vnet/session/application_interface.h>
-#include "../vnet/session/application_interface.h"
-
-#define vl_typedefs /* define message structures */
+#define vl_typedefs /* define message structures */
#include <vpp/api/vpe_all_api_h.h>
#undef vl_typedefs
/* declare message handlers for each api */
-#define vl_endianfun /* define message structures */
+#define vl_endianfun /* define message structures */
#include <vpp/api/vpe_all_api_h.h>
#undef vl_endianfun
typedef struct
{
- svm_fifo_t * server_rx_fifo;
- svm_fifo_t * server_tx_fifo;
+ svm_fifo_t *server_rx_fifo;
+ svm_fifo_t *server_tx_fifo;
u32 vpp_session_index;
u32 vpp_session_thread;
u32 my_client_index;
/* The URI we're playing with */
- u8 * uri;
+ u8 *uri;
/* Session pool */
- session_t * sessions;
+ session_t *sessions;
/* Hash table for disconnect processing */
- uword * session_index_by_vpp_handles;
+ uword *session_index_by_vpp_handles;
/* intermediate rx buffer */
- u8 * rx_buf;
+ u8 *rx_buf;
/* URI for slave's connect */
- u8 * connect_uri;
+ u8 *connect_uri;
u32 connected_session_index;
int drop_packets;
/* Our event queue */
- unix_shared_memory_queue_t * our_event_queue;
+ unix_shared_memory_queue_t *our_event_queue;
/* $$$ single thread only for the moment */
- unix_shared_memory_queue_t * vpp_event_queue;
+ unix_shared_memory_queue_t *vpp_event_queue;
pid_t my_pid;
u32 configured_segment_size;
/* VNET_API_ERROR_FOO -> "Foo" hash table */
- uword * error_string_by_error_number;
-
- /* convenience */
- svm_fifo_segment_main_t * segment_main;
+ uword *error_string_by_error_number;
u8 *connect_test_data;
+ pthread_t client_rx_thread_handle;
+ u32 client_bytes_received;
+ u8 test_return_packets;
+
+ /* convenience */
+ svm_fifo_segment_main_t *segment_main;
} uri_tcp_test_main_t;
uri_tcp_test_main_t uri_tcp_test_main;
while (clib_time_now (&utm->clib_time) < timeout)
{
if (utm->state == state)
- return 0;
+ return 0;
if (utm->state == STATE_FAILED)
return -1;
}
}
static void
-vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t *mp)
+vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
{
svm_fifo_segment_create_args_t _a, *a = &_a;
int rv;
if (rv)
{
clib_warning ("svm_fifo_segment_attach ('%s') failed",
- mp->segment_name);
+ mp->segment_name);
return;
}
clib_warning ("Mapped new segment '%s' size %d", mp->segment_name,
- mp->segment_size);
+ mp->segment_size);
}
static void
vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
{
uri_tcp_test_main_t *utm = &uri_tcp_test_main;
- session_t * session;
- vl_api_disconnect_session_reply_t * rmp;
- uword * p;
+ session_t *session;
+ vl_api_disconnect_session_reply_t *rmp;
+ uword *p;
int rv = 0;
u64 key;
- key = (((u64)mp->session_thread_index) << 32) | (u64)mp->session_index;
+ key = (((u64) mp->session_thread_index) << 32) | (u64) mp->session_index;
p = hash_get (utm->session_index_by_vpp_handles, key);
rv = -11;
}
+ utm->time_to_stop = 1;
+
rmp = vl_msg_api_alloc (sizeof (*rmp));
memset (rmp, 0, sizeof (*rmp));
rmp->retval = rv;
rmp->session_index = mp->session_index;
rmp->session_thread_index = mp->session_thread_index;
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *)&rmp);
+ vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
}
static void
vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
{
uri_tcp_test_main_t *utm = &uri_tcp_test_main;
- session_t * session;
- vl_api_reset_session_reply_t * rmp;
- uword * p;
+ session_t *session;
+ vl_api_reset_session_reply_t *rmp;
+ uword *p;
int rv = 0;
u64 key;
- key = (((u64)mp->session_thread_index) << 32) | (u64)mp->session_index;
+ key = (((u64) mp->session_thread_index) << 32) | (u64) mp->session_index;
- p = hash_get(utm->session_index_by_vpp_handles, key);
+ p = hash_get (utm->session_index_by_vpp_handles, key);
if (p)
{
- session = pool_elt_at_index(utm->sessions, p[0]);
- hash_unset(utm->session_index_by_vpp_handles, key);
- pool_put(utm->sessions, session);
+ session = pool_elt_at_index (utm->sessions, p[0]);
+ hash_unset (utm->session_index_by_vpp_handles, key);
+ pool_put (utm->sessions, session);
}
else
{
- clib_warning("couldn't find session key %llx", key);
+ clib_warning ("couldn't find session key %llx", key);
rv = -11;
}
rmp->retval = rv;
rmp->session_index = mp->session_index;
rmp->session_thread_index = mp->session_thread_index;
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *)&rmp);
+ vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
}
void
-handle_fifo_event_connect_rx (uri_tcp_test_main_t *utm, session_fifo_event_t * e)
+client_handle_fifo_event_rx (uri_tcp_test_main_t * utm,
+ session_fifo_event_t * e)
{
- svm_fifo_t * rx_fifo;
- int n_read, bytes;
+ svm_fifo_t *rx_fifo;
+ int n_read, bytes, i;
rx_fifo = e->fifo;
bytes = e->enqueue_length;
do
{
- n_read = svm_fifo_dequeue_nowait (rx_fifo, 0, vec_len(utm->rx_buf),
- utm->rx_buf);
+ n_read = svm_fifo_dequeue_nowait (rx_fifo, 0, vec_len (utm->rx_buf),
+ utm->rx_buf);
if (n_read > 0)
- bytes -= n_read;
+ {
+ bytes -= n_read;
+ for (i = 0; i < n_read; i++)
+ {
+ if (utm->rx_buf[i] != ((utm->client_bytes_received + i) & 0xff))
+ {
+ clib_warning ("error at byte %lld, 0x%x not 0x%x",
+ utm->client_bytes_received + i,
+ utm->rx_buf[i],
+ ((utm->client_bytes_received + i) & 0xff));
+ }
+ }
+ utm->client_bytes_received += n_read;
+ }
+
}
while (n_read < 0 || bytes > 0);
-
- // 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_nowait2 (rx_fifo, mypid,
- // bytes_to_read,
- // utm->rx_buf + buffer_offset);
- // if (rv > 0)
- // {
- // bytes_to_read -= rv;
- // buffer_offset += rv;
- // bytes_received += rv;
- // }
- // }
-
-
- // while (bytes_received < bytes_sent)
- // {
- // rv = svm_fifo_dequeue_nowait2 (rx_fifo, mypid,
- // vec_len (utm->rx_buf),
- // utm->rx_buf);
- // if (rv > 0)
- // {
- //#if CLIB_DEBUG > 0
- // int j;
- // for (j = 0; j < rv; j++)
- // {
- // if (utm->rx_buf[j] != ((bytes_received + j) & 0xff))
- // {
- // clib_warning ("error at byte %lld, 0x%x not 0x%x",
- // bytes_received + j,
- // utm->rx_buf[j],
- // ((bytes_received + j )&0xff));
- // }
- // }
- //#endif
- // bytes_received += (u64) rv;
- // }
- // }
}
void
-handle_connect_event_queue (uri_tcp_test_main_t * utm)
+client_handle_event_queue (uri_tcp_test_main_t * utm)
{
session_fifo_event_t _e, *e = &_e;;
- unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *) e, 0 /* nowait */);
+ unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *) e,
+ 0 /* nowait */ );
switch (e->event_type)
{
case FIFO_EVENT_SERVER_RX:
- handle_fifo_event_connect_rx (utm, e);
+ client_handle_fifo_event_rx (utm, e);
break;
case FIFO_EVENT_SERVER_EXIT:
return;
default:
- clib_warning("unknown event type %d", e->event_type);
+ clib_warning ("unknown event type %d", e->event_type);
break;
}
}
-void
-uri_tcp_connect_send (uri_tcp_test_main_t *utm)
-{
- u8 *test_data = utm->connect_test_data;
- u64 bytes_sent = 0;
- int rv;
- int mypid = getpid();
- session_t * session;
- svm_fifo_t *tx_fifo;
- int buffer_offset, bytes_to_send = 0;
- session_fifo_event_t evt;
- static int serial_number = 0;
- int i;
- u32 max_chunk = 64 << 10, write;
-
- session = pool_elt_at_index (utm->sessions, utm->connected_session_index);
- tx_fifo = session->server_tx_fifo;
-
- vec_validate (utm->rx_buf, vec_len (test_data) - 1);
-
- for (i = 0; i < 10; i++)
- {
- bytes_to_send = vec_len (test_data);
- buffer_offset = 0;
- while (bytes_to_send > 0)
- {
- write = bytes_to_send > max_chunk ? max_chunk : bytes_to_send;
- rv = svm_fifo_enqueue_nowait (tx_fifo, mypid, write,
- test_data + buffer_offset);
-
- if (rv > 0)
- {
- bytes_to_send -= rv;
- buffer_offset += rv;
- bytes_sent += rv;
-
- /* Fabricate TX event, send to vpp */
- evt.fifo = tx_fifo;
- evt.event_type = FIFO_EVENT_SERVER_TX;
- /* $$$$ for event logging */
- evt.enqueue_length = rv;
- evt.event_id = serial_number++;
-
- unix_shared_memory_queue_add (utm->vpp_event_queue, (u8 *) &evt,
- 0 /* do wait for mutex */);
- }
- }
- }
-}
-
-static void
-uri_tcp_client_test (uri_tcp_test_main_t * utm)
-{
- vl_api_connect_uri_t * cmp;
- vl_api_disconnect_session_t *dmp;
- session_t *connected_session;
- int i;
-
- cmp = vl_msg_api_alloc (sizeof (*cmp));
- memset (cmp, 0, sizeof (*cmp));
-
- cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
- cmp->client_index = utm->my_client_index;
- cmp->context = ntohl(0xfeedface);
- memcpy (cmp->uri, utm->connect_uri, vec_len (utm->connect_uri));
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *)&cmp);
-
- if (wait_for_state_change (utm, STATE_READY))
- {
- return;
- }
-
- /* Init test data */
- vec_validate (utm->connect_test_data, 64 * 1024 - 1);
- for (i = 0; i < vec_len (utm->connect_test_data); i++)
- utm->connect_test_data[i] = i & 0xff;
-
- /* Start reader thread */
- /* handle_connect_event_queue (utm); */
-
- /* Start send */
- uri_tcp_connect_send (utm);
-
- /* Disconnect */
- connected_session = pool_elt_at_index(utm->sessions,
- utm->connected_session_index);
- dmp = vl_msg_api_alloc (sizeof (*dmp));
- memset (dmp, 0, sizeof (*dmp));
- dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
- dmp->client_index = utm->my_client_index;
- dmp->session_index = connected_session->vpp_session_index;
- dmp->session_thread_index = connected_session->vpp_session_thread;
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *)&dmp);
-}
-
-void
-handle_fifo_event_server_rx (uri_tcp_test_main_t *utm, session_fifo_event_t * e)
-{
- svm_fifo_t * rx_fifo, * tx_fifo;
- int n_read;
-
- session_fifo_event_t evt;
- unix_shared_memory_queue_t *q;
- int rv, bytes;
-
- rx_fifo = e->fifo;
- tx_fifo = utm->sessions[rx_fifo->client_session_index].server_tx_fifo;
-
- bytes = e->enqueue_length;
- do
- {
- n_read = svm_fifo_dequeue_nowait (rx_fifo, 0, vec_len(utm->rx_buf),
- utm->rx_buf);
-
- /* Reflect if a non-drop session */
- if (!utm->drop_packets && n_read > 0)
- {
- do
- {
- rv = svm_fifo_enqueue_nowait (tx_fifo, 0, n_read, utm->rx_buf);
- }
- while (rv == -2);
-
- /* Fabricate TX event, send to vpp */
- evt.fifo = tx_fifo;
- evt.event_type = FIFO_EVENT_SERVER_TX;
- /* $$$$ for event logging */
- evt.enqueue_length = n_read;
- evt.event_id = e->event_id;
- q = utm->vpp_event_queue;
- unix_shared_memory_queue_add (q, (u8 *) &evt, 0 /* do wait for mutex */);
- }
-
- if (n_read > 0)
- bytes -= n_read;
- }
- while (n_read < 0 || bytes > 0);
-}
-
-void
-handle_event_queue (uri_tcp_test_main_t * utm)
+static void *
+client_rx_thread_fn (void *arg)
{
- session_fifo_event_t _e, *e = &_e;;
+ session_fifo_event_t _e, *e = &_e;
+ uri_tcp_test_main_t *utm = &uri_tcp_test_main;
+ utm->client_bytes_received = 0;
while (1)
{
- unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *)e,
- 0 /* nowait */);
+ unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *) e,
+ 0 /* nowait */ );
switch (e->event_type)
- {
- case FIFO_EVENT_SERVER_RX:
- handle_fifo_event_server_rx (utm, e);
- break;
-
- case FIFO_EVENT_SERVER_EXIT:
- return;
-
- default:
- clib_warning ("unknown event type %d", e->event_type);
- break;
- }
- if (PREDICT_FALSE(utm->time_to_stop == 1))
- break;
- if (PREDICT_FALSE(utm->time_to_print_stats == 1))
- {
- utm->time_to_print_stats = 0;
- fformat(stdout, "%d connections\n", pool_elts (utm->sessions));
- }
+ {
+ case FIFO_EVENT_SERVER_RX:
+ client_handle_fifo_event_rx (utm, e);
+ break;
+
+ case FIFO_EVENT_SERVER_EXIT:
+ return 0;
+ default:
+ clib_warning ("unknown event type %d", e->event_type);
+ break;
+ }
+
+ if (PREDICT_FALSE (utm->time_to_stop == 1))
+ break;
}
+ pthread_exit (0);
}
-static void
-vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
-{
- uri_tcp_test_main_t *utm = &uri_tcp_test_main;
- svm_fifo_segment_create_args_t _a, *a = &_a;
- int rv;
-
- if (mp->retval)
- {
- clib_warning("bind failed: %d", mp->retval);
- return;
- }
-
- if (mp->segment_name_length == 0)
- {
- clib_warning("segment_name_length zero");
- return;
- }
-
- a->segment_name = (char *) mp->segment_name;
- a->segment_size = mp->segment_size;
-
- ASSERT(mp->server_event_queue_address);
-
- /* Attach to the segment vpp created */
- rv = svm_fifo_segment_attach (a);
- if (rv)
- {
- clib_warning("svm_fifo_segment_attach ('%s') failed", mp->segment_name);
- return;
- }
-
- utm->our_event_queue =
- (unix_shared_memory_queue_t *) mp->server_event_queue_address;
-
- utm->state = STATE_READY;
-}
static void
vl_api_connect_uri_reply_t_handler (vl_api_connect_uri_reply_t * mp)
u32 session_index;
svm_fifo_t *rx_fifo, *tx_fifo;
int rv;
+ u64 key;
if (mp->retval)
{
utm->state = STATE_FAILED;
return;
}
+
/*
* Attatch to segment
*/
a->segment_name = (char *) mp->segment_name;
a->segment_size = mp->segment_size;
- ASSERT(mp->client_event_queue_address);
+ ASSERT (mp->client_event_queue_address);
/* Attach to the segment vpp created */
rv = svm_fifo_segment_attach (a);
if (rv)
{
clib_warning ("svm_fifo_segment_attach ('%s') failed",
- mp->segment_name);
+ mp->segment_name);
return;
}
pool_get (utm->sessions, session);
session_index = session - utm->sessions;
- rx_fifo = (svm_fifo_t *)mp->server_rx_fifo;
+ rx_fifo = (svm_fifo_t *) mp->server_rx_fifo;
rx_fifo->client_session_index = session_index;
- tx_fifo = (svm_fifo_t *)mp->server_tx_fifo;
+ tx_fifo = (svm_fifo_t *) mp->server_tx_fifo;
tx_fifo->client_session_index = session_index;
session->server_rx_fifo = rx_fifo;
/* Save handle */
utm->connected_session_index = session_index;
-
utm->state = STATE_READY;
+
+ /* Add it to lookup table */
+ key = (((u64) mp->session_thread_index) << 32) | (u64) mp->session_index;
+ hash_set (utm->session_index_by_vpp_handles, key, session_index);
+
+ /* Start RX thread */
+ rv = pthread_create (&utm->client_rx_thread_handle,
+ NULL /*attr */ , client_rx_thread_fn, 0);
+ if (rv)
+ {
+ clib_warning ("pthread_create returned %d", rv);
+ rv = VNET_API_ERROR_SYSCALL_ERROR_1;
+ }
}
void
-uri_tcp_bind (uri_tcp_test_main_t *utm)
+client_send_data (uri_tcp_test_main_t * utm)
{
- vl_api_bind_uri_t * bmp;
- u32 fifo_size = 3 << 20;
- bmp = vl_msg_api_alloc (sizeof (*bmp));
- memset (bmp, 0, sizeof (*bmp));
+ u8 *test_data = utm->connect_test_data;
+ u64 bytes_sent = 0;
+ int rv;
+ int mypid = getpid ();
+ session_t *session;
+ svm_fifo_t *tx_fifo;
+ int buffer_offset, bytes_to_send = 0;
+ session_fifo_event_t evt;
+ static int serial_number = 0;
+ int i;
+ u32 max_chunk = 64 << 10, write;
- bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
- bmp->client_index = utm->my_client_index;
- bmp->context = ntohl(0xfeedface);
- bmp->initial_segment_size = 256<<20; /* size of initial segment */
- bmp->options[SESSION_OPTIONS_FLAGS] =
- SESSION_OPTIONS_FLAGS_USE_FIFO | SESSION_OPTIONS_FLAGS_ADD_SEGMENT;
- bmp->options[SESSION_OPTIONS_RX_FIFO_SIZE] = fifo_size;
- bmp->options[SESSION_OPTIONS_TX_FIFO_SIZE] = fifo_size;
- bmp->options[SESSION_OPTIONS_ADD_SEGMENT_SIZE] = 128<<20;
- memcpy (bmp->uri, utm->uri, vec_len (utm->uri));
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *)&bmp);
+ session = pool_elt_at_index (utm->sessions, utm->connected_session_index);
+ tx_fifo = session->server_tx_fifo;
+
+ vec_validate (utm->rx_buf, vec_len (test_data) - 1);
+
+ for (i = 0; i < 1; i++)
+ {
+ bytes_to_send = vec_len (test_data);
+ buffer_offset = 0;
+ while (bytes_to_send > 0)
+ {
+ write = bytes_to_send > max_chunk ? max_chunk : bytes_to_send;
+ rv = svm_fifo_enqueue_nowait (tx_fifo, mypid, write,
+ test_data + buffer_offset);
+
+ if (rv > 0)
+ {
+ bytes_to_send -= rv;
+ buffer_offset += rv;
+ bytes_sent += rv;
+
+ /* Fabricate TX event, send to vpp */
+ evt.fifo = tx_fifo;
+ evt.event_type = FIFO_EVENT_SERVER_TX;
+ /* $$$$ for event logging */
+ evt.enqueue_length = rv;
+ evt.event_id = serial_number++;
+
+ unix_shared_memory_queue_add (utm->vpp_event_queue,
+ (u8 *) & evt,
+ 0 /* do wait for mutex */ );
+ }
+ }
+ }
+
+ if (utm->test_return_packets)
+ {
+ f64 timeout = clib_time_now (&utm->clib_time) + 2;
+
+ /* Wait for the outstanding packets */
+ while (utm->client_bytes_received < vec_len (test_data))
+ {
+ if (clib_time_now (&utm->clib_time) > timeout)
+ {
+ clib_warning ("timed out waiting for the missing packets");
+ break;
+ }
+ }
+
+ utm->time_to_stop = 1;
+ }
+}
+
+void
+client_connect (uri_tcp_test_main_t * utm)
+{
+ vl_api_connect_uri_t *cmp;
+ cmp = vl_msg_api_alloc (sizeof (*cmp));
+ memset (cmp, 0, sizeof (*cmp));
+
+ cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
+ cmp->client_index = utm->my_client_index;
+ cmp->context = ntohl (0xfeedface);
+ memcpy (cmp->uri, utm->connect_uri, vec_len (utm->connect_uri));
+ vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & cmp);
+}
+
+void
+client_disconnect (uri_tcp_test_main_t * utm)
+{
+ session_t *connected_session;
+ vl_api_disconnect_session_t *dmp;
+ connected_session = pool_elt_at_index (utm->sessions,
+ utm->connected_session_index);
+ dmp = vl_msg_api_alloc (sizeof (*dmp));
+ memset (dmp, 0, sizeof (*dmp));
+ dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
+ dmp->client_index = utm->my_client_index;
+ dmp->session_index = connected_session->vpp_session_index;
+ dmp->session_thread_index = connected_session->vpp_session_thread;
+ vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & dmp);
+}
+
+static void
+client_test (uri_tcp_test_main_t * utm)
+{
+ int i;
+
+ client_connect (utm);
+
+ if (wait_for_state_change (utm, STATE_READY))
+ {
+ return;
+ }
+
+ /* Init test data */
+ vec_validate (utm->connect_test_data, 64 * 1024 - 1);
+ for (i = 0; i < vec_len (utm->connect_test_data); i++)
+ utm->connect_test_data[i] = i & 0xff;
+
+ /* Start send */
+ client_send_data (utm);
+
+ /* Disconnect */
+ client_disconnect (utm);
}
static void
-vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t *mp)
+vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
{
uri_tcp_test_main_t *utm = &uri_tcp_test_main;
+ svm_fifo_segment_create_args_t _a, *a = &_a;
+ int rv;
- if (mp->retval != 0)
- clib_warning ("returned %d", ntohl(mp->retval));
+ if (mp->retval)
+ {
+ clib_warning ("bind failed: %d", mp->retval);
+ utm->state = STATE_FAILED;
+ return;
+ }
- utm->state = STATE_START;
+ if (mp->segment_name_length == 0)
+ {
+ clib_warning ("segment_name_length zero");
+ return;
+ }
+
+ a->segment_name = (char *) mp->segment_name;
+ a->segment_size = mp->segment_size;
+
+ ASSERT (mp->server_event_queue_address);
+
+ /* Attach to the segment vpp created */
+ rv = svm_fifo_segment_attach (a);
+ if (rv)
+ {
+ clib_warning ("svm_fifo_segment_attach ('%s') failed",
+ mp->segment_name);
+ return;
+ }
+
+ utm->our_event_queue =
+ (unix_shared_memory_queue_t *) mp->server_event_queue_address;
+
+ utm->state = STATE_READY;
}
-void
-uri_tcp_unbind (uri_tcp_test_main_t *utm)
+static void
+vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
{
- vl_api_unbind_uri_t * ump;
+ uri_tcp_test_main_t *utm = &uri_tcp_test_main;
- ump = vl_msg_api_alloc (sizeof (*ump));
- memset (ump, 0, sizeof (*ump));
+ if (mp->retval != 0)
+ clib_warning ("returned %d", ntohl (mp->retval));
- 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));
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *)&ump);
+ utm->state = STATE_START;
}
static void
{
uri_tcp_test_main_t *utm = &uri_tcp_test_main;
vl_api_accept_session_reply_t *rmp;
- svm_fifo_t * rx_fifo, * tx_fifo;
- session_t * session;
+ svm_fifo_t *rx_fifo, *tx_fifo;
+ session_t *session;
static f64 start_time;
u64 key;
u32 session_index;
if (start_time == 0.0)
- start_time = clib_time_now (&utm->clib_time);
+ start_time = clib_time_now (&utm->clib_time);
utm->vpp_event_queue = (unix_shared_memory_queue_t *)
mp->vpp_event_queue_address;
pool_get (utm->sessions, session);
session_index = session - utm->sessions;
- rx_fifo = (svm_fifo_t *)mp->server_rx_fifo;
+ rx_fifo = (svm_fifo_t *) mp->server_rx_fifo;
rx_fifo->client_session_index = session_index;
- tx_fifo = (svm_fifo_t *)mp->server_tx_fifo;
+ tx_fifo = (svm_fifo_t *) mp->server_tx_fifo;
tx_fifo->client_session_index = session_index;
session->server_rx_fifo = rx_fifo;
session->server_tx_fifo = tx_fifo;
/* Add it to lookup table */
- key = (((u64)mp->session_thread_index) << 32) | (u64)mp->session_index;
+ key = (((u64) mp->session_thread_index) << 32) | (u64) mp->session_index;
hash_set (utm->session_index_by_vpp_handles, key, session_index);
utm->state = STATE_READY;
/* Stats printing */
- if (pool_elts (utm->sessions) && (pool_elts(utm->sessions) % 20000) == 0)
+ 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));
+ pool_elts (utm->sessions), now - start_time,
+ (f64) pool_elts (utm->sessions) / (now - start_time));
}
- /* Send accept reply to vpp */
+ /*
+ * Send accept reply to vpp
+ */
rmp = vl_msg_api_alloc (sizeof (*rmp));
memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
rmp->session_type = mp->session_type;
rmp->session_index = mp->session_index;
rmp->session_thread_index = mp->session_thread_index;
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *)&rmp);
+ vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
}
void
-uri_tcp_server_test (uri_tcp_test_main_t * utm)
+server_handle_fifo_event_rx (uri_tcp_test_main_t * utm,
+ session_fifo_event_t * e)
{
+ svm_fifo_t *rx_fifo, *tx_fifo;
+ int n_read;
+
+ session_fifo_event_t evt;
+ unix_shared_memory_queue_t *q;
+ int rv, bytes;
+
+ rx_fifo = e->fifo;
+ tx_fifo = utm->sessions[rx_fifo->client_session_index].server_tx_fifo;
+
+ bytes = e->enqueue_length;
+ do
+ {
+ n_read = svm_fifo_dequeue_nowait (rx_fifo, 0, vec_len (utm->rx_buf),
+ utm->rx_buf);
+
+ /* Reflect if a non-drop session */
+ if (!utm->drop_packets && n_read > 0)
+ {
+ do
+ {
+ rv = svm_fifo_enqueue_nowait (tx_fifo, 0, n_read, utm->rx_buf);
+ }
+ while (rv == -2);
+
+ /* Fabricate TX event, send to vpp */
+ evt.fifo = tx_fifo;
+ evt.event_type = FIFO_EVENT_SERVER_TX;
+ /* $$$$ for event logging */
+ evt.enqueue_length = n_read;
+ evt.event_id = e->event_id;
+ q = utm->vpp_event_queue;
+ unix_shared_memory_queue_add (q, (u8 *) & evt,
+ 0 /* do wait for mutex */ );
+ }
+
+ if (n_read > 0)
+ bytes -= n_read;
+ }
+ while (n_read < 0 || bytes > 0);
+}
+
+void
+server_handle_event_queue (uri_tcp_test_main_t * utm)
+{
+ session_fifo_event_t _e, *e = &_e;;
+ while (1)
+ {
+ unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *) e,
+ 0 /* nowait */ );
+ switch (e->event_type)
+ {
+ case FIFO_EVENT_SERVER_RX:
+ server_handle_fifo_event_rx (utm, e);
+ break;
+
+ case FIFO_EVENT_SERVER_EXIT:
+ return;
+
+ default:
+ clib_warning ("unknown event type %d", e->event_type);
+ break;
+ }
+ if (PREDICT_FALSE (utm->time_to_stop == 1))
+ break;
+ if (PREDICT_FALSE (utm->time_to_print_stats == 1))
+ {
+ utm->time_to_print_stats = 0;
+ fformat (stdout, "%d connections\n", pool_elts (utm->sessions));
+ }
+ }
+}
+
+void
+server_bind (uri_tcp_test_main_t * utm)
+{
+ vl_api_bind_uri_t *bmp;
+ u32 fifo_size = 3 << 20;
+ bmp = vl_msg_api_alloc (sizeof (*bmp));
+ memset (bmp, 0, sizeof (*bmp));
+
+ bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
+ bmp->client_index = utm->my_client_index;
+ bmp->context = ntohl (0xfeedface);
+ bmp->initial_segment_size = 256 << 20; /* size of initial segment */
+ bmp->options[SESSION_OPTIONS_FLAGS] =
+ SESSION_OPTIONS_FLAGS_USE_FIFO | SESSION_OPTIONS_FLAGS_ADD_SEGMENT;
+ bmp->options[SESSION_OPTIONS_RX_FIFO_SIZE] = fifo_size;
+ bmp->options[SESSION_OPTIONS_TX_FIFO_SIZE] = fifo_size;
+ bmp->options[SESSION_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
+ memcpy (bmp->uri, utm->uri, vec_len (utm->uri));
+ vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp);
+}
+
+void
+server_unbind (uri_tcp_test_main_t * utm)
+{
+ vl_api_unbind_uri_t *ump;
+
+ ump = vl_msg_api_alloc (sizeof (*ump));
+ memset (ump, 0, sizeof (*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));
+ vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & ump);
+}
+
+void
+server_test (uri_tcp_test_main_t * utm)
+{
/* Bind to uri */
- uri_tcp_bind (utm);
+ server_bind (utm);
if (wait_for_state_change (utm, STATE_READY))
{
}
/* Enter handle event loop */
- handle_event_queue (utm);
+ server_handle_event_queue (utm);
/* Cleanup */
- uri_tcp_unbind (utm);
+ server_unbind (utm);
if (wait_for_state_change (utm, STATE_START))
{
unformat_input_t _argv, *a = &_argv;
u8 *chroot_prefix;
u8 *heap;
- u8 * bind_name = (u8 *) "tcp://0.0.0.0/1234";
+ u8 *bind_name = (u8 *) "tcp://0.0.0.0/1234";
u32 tmp;
mheap_t *h;
- session_t * session;
+ session_t *session;
int i;
- int i_am_master = 1, drop_packets = 0;
+ int i_am_master = 1, drop_packets = 0, test_return_packets = 0;
clib_mem_init (0, 256 << 20);
vec_validate (utm->rx_buf, 65536);
- utm->session_index_by_vpp_handles =
- hash_create (0, sizeof(uword));
+ utm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
- utm->my_pid = getpid();
- utm->configured_segment_size = 1<<20;
+ utm->my_pid = getpid ();
+ utm->configured_segment_size = 1 << 20;
clib_time_init (&utm->clib_time);
init_error_string_table (utm);
- svm_fifo_segment_init(0x200000000ULL, 20);
+ svm_fifo_segment_init (0x200000000ULL, 20);
unformat_init_command_line (a, argv);
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);
- }
+ {
+ vl_set_memory_root_path ((char *) chroot_prefix);
+ }
else if (unformat (a, "uri %s", &bind_name))
- ;
+ ;
else if (unformat (a, "segment-size %dM", &tmp))
- utm->configured_segment_size = tmp<<20;
+ utm->configured_segment_size = tmp << 20;
else if (unformat (a, "segment-size %dG", &tmp))
- utm->configured_segment_size = tmp<<30;
+ utm->configured_segment_size = tmp << 30;
else if (unformat (a, "master"))
- i_am_master = 1;
+ i_am_master = 1;
else if (unformat (a, "slave"))
- i_am_master = 0;
+ i_am_master = 0;
else if (unformat (a, "drop"))
- drop_packets = 1;
+ drop_packets = 1;
+ else if (unformat (a, "test"))
+ test_return_packets = 1;
else
- {
- fformat (stderr, "%s: usage [master|slave]\n");
- exit (1);
- }
+ {
+ fformat (stderr, "%s: usage [master|slave]\n");
+ exit (1);
+ }
}
utm->uri = format (0, "%s%c", bind_name, 0);
utm->i_am_master = i_am_master;
utm->segment_main = &svm_fifo_segment_main;
utm->drop_packets = drop_packets;
-
+ utm->test_return_packets = test_return_packets;
utm->connect_uri = format (0, "tcp://6.0.1.2/1234%c", 0);
- setup_signal_handlers();
+ setup_signal_handlers ();
uri_api_hookup (utm);
- if (connect_to_vpp (i_am_master? "uri_tcp_server":"uri_tcp_client") < 0)
+ if (connect_to_vpp (i_am_master ? "uri_tcp_server" : "uri_tcp_client") < 0)
{
svm_region_exit ();
fformat (stderr, "Couldn't connect to vpe, exiting...\n");
if (i_am_master == 0)
{
- uri_tcp_client_test (utm);
+ client_test (utm);
exit (0);
}
for (i = 0; i < 200000; i++)
pool_put_index (utm->sessions, i);
- uri_tcp_server_test (utm);
+ server_test (utm);
vl_client_disconnect_from_vlib ();
exit (0);
}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vlib/unix/unix.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
-#include <vpp-api/vpe_msg_enum.h>
-#include <svm_fifo_segment.h>
-
-#include <vnet/uri/uri.h>
+#include <vpp/api/vpe_msg_enum.h>
+#include <svm/svm_fifo_segment.h>
+#include <pthread.h>
+#include <vnet/session/application_interface.h>
#define vl_typedefs /* define message structures */
-#include <vpp-api/vpe_all_api_h.h>
+#include <vpp/api/vpe_all_api_h.h>
#undef vl_typedefs
/* declare message handlers for each api */
#define vl_endianfun /* define message structures */
-#include <vpp-api/vpe_all_api_h.h>
+#include <vpp/api/vpe_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...)
#define vl_printfun
-#include <vpp-api/vpe_all_api_h.h>
+#include <vpp/api/vpe_all_api_h.h>
#undef vl_printfun
/* Satisfy external references when not linking with -lvlib */
/* intermediate rx buffer */
u8 *rx_buf;
+ /* URI for connect */
+ u8 *connect_uri;
+
+ int i_am_master;
+
/* Our event queue */
unix_shared_memory_queue_t *our_event_queue;
/* $$$ single thread only for the moment */
unix_shared_memory_queue_t *vpp_event_queue;
+ /* $$$$ hack: cut-through session index */
+ volatile u32 cut_through_session_index;
+
+ /* unique segment name counter */
+ u32 unique_segment_index;
+
+ pid_t my_pid;
+
+ /* pthread handle */
+ pthread_t cut_through_thread_handle;
+
/* For deadman timers */
clib_time_t clib_time;
volatile int time_to_stop;
volatile int time_to_print_stats;
+ u32 configured_segment_size;
+
/* VNET_API_ERROR_FOO -> "Foo" hash table */
uword *error_string_by_error_number;
+
+ /* convenience */
+ svm_fifo_segment_main_t *segment_main;
+
} uri_udp_test_main_t;
#if CLIB_DEBUG > 0
-#define NITER 1000
+#define NITER 10000
#else
-#define NITER 1000000
+#define NITER 4000000
#endif
uri_udp_test_main_t uri_udp_test_main;
int
wait_for_state_change (uri_udp_test_main_t * utm, connection_state_t state)
{
- f64 timeout = clib_time_now (&utm->clib_time) + 5.0;
+#if CLIB_DEBUG > 0
+#define TIMEOUT 600.0
+#else
+#define TIMEOUT 600.0
+#endif
+
+ f64 timeout = clib_time_now (&utm->clib_time) + TIMEOUT;
while (clib_time_now (&utm->clib_time) < timeout)
{
return -1;
}
+u64 server_bytes_received, server_bytes_sent;
+
+static void *
+cut_through_thread_fn (void *arg)
+{
+ 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;
+ i32 actual_transfer;
+ int rv;
+ u32 buffer_offset;
+
+ while (utm->cut_through_session_index == ~0)
+ ;
+
+ s = pool_elt_at_index (utm->sessions, utm->cut_through_session_index);
+
+ rx_fifo = s->server_rx_fifo;
+ tx_fifo = s->server_tx_fifo;
+
+ vec_validate (my_copy_buffer, 64 * 1024 - 1);
+
+ while (true)
+ {
+ /* We read from the tx fifo and write to the rx fifo */
+ do
+ {
+ actual_transfer = svm_fifo_dequeue_nowait (tx_fifo, 0,
+ vec_len (my_copy_buffer),
+ my_copy_buffer);
+ }
+ while (actual_transfer <= 0);
+
+ server_bytes_received += actual_transfer;
+
+ buffer_offset = 0;
+ while (actual_transfer > 0)
+ {
+ rv = svm_fifo_enqueue_nowait (rx_fifo, 0, actual_transfer,
+ my_copy_buffer + buffer_offset);
+ if (rv > 0)
+ {
+ actual_transfer -= rv;
+ buffer_offset += rv;
+ server_bytes_sent += rv;
+ }
+
+ }
+ if (PREDICT_FALSE (utm->time_to_stop))
+ break;
+ }
+
+ pthread_exit (0);
+}
+
+static void
+uri_udp_slave_test (uri_udp_test_main_t * utm)
+{
+ vl_api_connect_uri_t *cmp;
+ int i;
+ u8 *test_data = 0;
+ u64 bytes_received = 0, bytes_sent = 0;
+ i32 bytes_to_read;
+ int rv;
+ int mypid = getpid ();
+ f64 before, after, delta, bytes_per_second;
+ session_t *session;
+ svm_fifo_t *rx_fifo, *tx_fifo;
+ int buffer_offset, bytes_to_send = 0;
+
+ vec_validate (test_data, 64 * 1024 - 1);
+ for (i = 0; i < vec_len (test_data); i++)
+ test_data[i] = i & 0xff;
+
+ cmp = vl_msg_api_alloc (sizeof (*cmp));
+ memset (cmp, 0, sizeof (*cmp));
+
+ cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
+ cmp->client_index = utm->my_client_index;
+ cmp->context = ntohl (0xfeedface);
+ memcpy (cmp->uri, utm->connect_uri, vec_len (utm->connect_uri));
+ vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & cmp);
+
+ if (wait_for_state_change (utm, STATE_READY))
+ {
+ clib_warning ("timeout waiting for STATE_READY");
+ return;
+ }
+
+ session = pool_elt_at_index (utm->sessions, utm->cut_through_session_index);
+ rx_fifo = session->server_rx_fifo;
+ tx_fifo = session->server_tx_fifo;
+
+ before = clib_time_now (&utm->clib_time);
+
+ vec_validate (utm->rx_buf, vec_len (test_data) - 1);
+
+ for (i = 0; i < NITER; i++)
+ {
+ bytes_to_send = vec_len (test_data);
+ buffer_offset = 0;
+ while (bytes_to_send > 0)
+ {
+ rv = svm_fifo_enqueue_nowait (tx_fifo, mypid,
+ bytes_to_send,
+ test_data + buffer_offset);
+
+ if (rv > 0)
+ {
+ bytes_to_send -= rv;
+ buffer_offset += rv;
+ bytes_sent += rv;
+ }
+ }
+
+ 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, mypid,
+ bytes_to_read,
+ utm->rx_buf + buffer_offset);
+ if (rv > 0)
+ {
+ bytes_to_read -= rv;
+ buffer_offset += rv;
+ bytes_received += rv;
+ }
+ }
+ }
+ while (bytes_received < bytes_sent)
+ {
+ rv = svm_fifo_dequeue_nowait (rx_fifo, mypid,
+ vec_len (utm->rx_buf), utm->rx_buf);
+ if (rv > 0)
+ {
+#if CLIB_DEBUG > 0
+ int j;
+ for (j = 0; j < rv; j++)
+ {
+ if (utm->rx_buf[j] != ((bytes_received + j) & 0xff))
+ {
+ clib_warning ("error at byte %lld, 0x%x not 0x%x",
+ bytes_received + j,
+ utm->rx_buf[j],
+ ((bytes_received + j) & 0xff));
+ }
+ }
+#endif
+ bytes_received += (u64) rv;
+ }
+ }
+
+ after = clib_time_now (&utm->clib_time);
+ delta = after - before;
+ bytes_per_second = 0.0;
+
+ if (delta > 0.0)
+ bytes_per_second = (f64) bytes_received / delta;
+
+ fformat (stdout,
+ "Done: %lld recv bytes in %.2f seconds, %.2f bytes/sec...\n\n",
+ bytes_received, delta, bytes_per_second);
+ fformat (stdout,
+ "Done: %lld sent bytes in %.2f seconds, %.2f bytes/sec...\n\n",
+ bytes_sent, delta, bytes_per_second);
+ fformat (stdout,
+ "client -> server -> client round trip: %.2f Gbit/sec \n\n",
+ (bytes_per_second * 8.0) / 1e9);
+}
+
static void
vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
{
}
a->segment_name = (char *) mp->segment_name;
+ a->segment_size = mp->segment_size;
+
+ ASSERT (mp->server_event_queue_address);
/* Attach to the segment vpp created */
rv = svm_fifo_segment_attach (a);
if (rv)
{
- clib_warning ("sm_fifo_segment_create ('%s') failed", mp->segment_name);
+ clib_warning ("svm_fifo_segment_attach ('%s') failed",
+ mp->segment_name);
return;
}
utm->state = STATE_READY;
}
+static void
+vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
+{
+ svm_fifo_segment_create_args_t _a, *a = &_a;
+ int rv;
+
+ a->segment_name = (char *) mp->segment_name;
+ a->segment_size = mp->segment_size;
+ /* Attach to the segment vpp created */
+ rv = svm_fifo_segment_attach (a);
+ if (rv)
+ {
+ clib_warning ("svm_fifo_segment_attach ('%s') failed",
+ mp->segment_name);
+ return;
+ }
+ clib_warning ("Mapped new segment '%s' size %d", mp->segment_name,
+ mp->segment_size);
+}
+
+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;
+ 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;
+ unix_shared_memory_queue_t *client_q;
+ vl_api_connect_uri_reply_t *rmp;
+ session_t *session;
+ int rv = 0;
+
+ /* 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)
+ {
+ 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);
+
+ /*
+ * By construction the master's idea of the rx fifo ends up in
+ * fsh->fifos[0], and the master's idea of the tx fifo ends up in
+ * fsh->fifos[1].
+ */
+ session->server_rx_fifo = svm_fifo_segment_alloc_fifo (utm->seg,
+ 128 * 1024);
+ ASSERT (session->server_rx_fifo);
+
+ session->server_tx_fifo = svm_fifo_segment_alloc_fifo (utm->seg,
+ 128 * 1024);
+ ASSERT (session->server_tx_fifo);
+
+ session->server_rx_fifo->server_session_index = session - utm->sessions;
+ session->server_tx_fifo->server_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_URI_REPLY);
+ rmp->context = mp->context;
+ rmp->retval = ntohl (rv);
+ rmp->segment_name_length = vec_len (a->segment_name);
+ memcpy (rmp->segment_name, a->segment_name, vec_len (a->segment_name));
+
+ vec_free (a->segment_name);
+
+ client_q = (unix_shared_memory_queue_t *) mp->client_queue_address;
+ vl_msg_api_send_shmem (client_q, (u8 *) & rmp);
+}
+
static void
vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
{
vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
}
+static void
+vl_api_connect_uri_reply_t_handler (vl_api_connect_uri_reply_t * mp)
+{
+ svm_fifo_segment_main_t *sm = &svm_fifo_segment_main;
+ uri_udp_test_main_t *utm = &uri_udp_test_main;
+ svm_fifo_segment_create_args_t _a, *a = &_a;
+ ssvm_shared_header_t *sh;
+ svm_fifo_segment_private_t *seg;
+ svm_fifo_segment_header_t *fsh;
+ session_t *session;
+ u32 segment_index;
+ int rv;
+
+ ASSERT (utm->i_am_master == 0);
+
+ if (mp->segment_name_length == 0)
+ {
+ clib_warning ("segment_name_length zero");
+ return;
+ }
+
+ 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 = vec_len (sm->segments) - 1;
+
+ vec_add2 (utm->seg, seg, 1);
+
+ memcpy (seg, sm->segments + segment_index, sizeof (*seg));
+ sh = seg->ssvm.sh;
+ fsh = (svm_fifo_segment_header_t *) sh->opaque[0];
+
+ while (vec_len (fsh->fifos) < 2)
+ sleep (1);
+
+ pool_get (utm->sessions, session);
+ utm->cut_through_session_index = session - utm->sessions;
+
+ session->server_rx_fifo = (svm_fifo_t *) fsh->fifos[0];
+ ASSERT (session->server_rx_fifo);
+ session->server_tx_fifo = (svm_fifo_t *) fsh->fifos[1];
+ ASSERT (session->server_tx_fifo);
+
+ /* security: could unlink /dev/shm/<mp->segment_name> here, maybe */
+
+ utm->state = STATE_READY;
+}
+
#define foreach_uri_msg \
_(BIND_URI_REPLY, bind_uri_reply) \
+_(CONNECT_URI, connect_uri) \
+_(CONNECT_URI_REPLY, connect_uri_reply) \
_(UNBIND_URI_REPLY, unbind_uri_reply) \
_(ACCEPT_SESSION, accept_session) \
-_(DISCONNECT_SESSION, disconnect_session)
+_(DISCONNECT_SESSION, disconnect_session) \
+_(MAP_ANOTHER_SEGMENT, map_another_segment)
void
uri_api_hookup (uri_udp_test_main_t * utm)
{
#define _(N,n) \
vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
+ vl_api_##n##_t_handler, \
vl_noop_handler, \
vl_api_##n##_t_endian, \
vl_api_##n##_t_print, \
}
void
-handle_fifo_event_server_rx (uri_udp_test_main_t * utm,
+server_handle_fifo_event_rx (uri_udp_test_main_t * utm,
session_fifo_event_t * e)
{
svm_fifo_t *rx_fifo, *tx_fifo;
}
void
-handle_event_queue (uri_udp_test_main_t * utm)
+server_handle_event_queue (uri_udp_test_main_t * utm)
{
session_fifo_event_t _e, *e = &_e;;
switch (e->event_type)
{
case FIFO_EVENT_SERVER_RX:
- handle_fifo_event_server_rx (utm, e);
+ server_handle_fifo_event_rx (utm, e);
break;
case FIFO_EVENT_SERVER_EXIT:
bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
bmp->client_index = utm->my_client_index;
bmp->context = ntohl (0xfeedface);
- bmp->segment_size = 2 << 30;
+ bmp->initial_segment_size = 256 << 20; /* size of initial segment */
+ bmp->options[SESSION_OPTIONS_FLAGS] =
+ SESSION_OPTIONS_FLAGS_USE_FIFO | SESSION_OPTIONS_FLAGS_ADD_SEGMENT;
+ bmp->options[SESSION_OPTIONS_RX_FIFO_SIZE] = 16 << 10;
+ bmp->options[SESSION_OPTIONS_TX_FIFO_SIZE] = 16 << 10;
+ bmp->options[SESSION_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
memcpy (bmp->uri, utm->uri, vec_len (utm->uri));
vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp);
return;
}
- handle_event_queue (utm);
+ server_handle_event_queue (utm);
ump = vl_msg_api_alloc (sizeof (*ump));
memset (ump, 0, sizeof (*ump));
unformat_input_t _argv, *a = &_argv;
u8 *chroot_prefix;
u8 *heap;
- u8 *bind_name = (u8 *) "udp4:1234";
+ u8 *bind_name = (u8 *) "udp://0.0.0.0/1234";
+ u32 tmp;
mheap_t *h;
session_t *session;
int i;
+ int i_am_master = 1;
clib_mem_init (0, 256 << 20);
utm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
+ utm->my_pid = getpid ();
+ utm->configured_segment_size = 1 << 20;
+
clib_time_init (&utm->clib_time);
init_error_string_table (utm);
svm_fifo_segment_init (0x200000000ULL, 20);
}
else if (unformat (a, "uri %s", &bind_name))
;
+ 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
{
fformat (stderr, "%s: usage [master|slave]\n");
}
}
+ 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://10.0.0.1/1234%c", 0);
setup_signal_handlers ();
uri_api_hookup (utm);
- if (connect_to_vpp ("uri_udp_test") < 0)
+ if (connect_to_vpp (i_am_master ? "uri_udp_master" : "uri_udp_slave") < 0)
{
svm_region_exit ();
fformat (stderr, "Couldn't connect to vpe, exiting...\n");
exit (1);
}
+ if (i_am_master == 0)
+ {
+ uri_udp_slave_test (utm);
+ exit (0);
+ }
+
/* $$$$ hack preallocation */
for (i = 0; i < 200000; i++)
{
#undef vl_api_version
#define vl_api_version(n,v) static u32 vpe_api_version = v;
-#include <vpp-api/vpe.api.h>
+#include <vpp/api/vpe.api.h>
#undef vl_api_version
void
mp->api_versions[0] = clib_host_to_net_u32 (vpe_api_version);
}
+u32
+vl (void *p)
+{
+ return vec_len (p);
+}
+
/*
* fd.io coding-style-patch-verification: ON
*
+++ /dev/null
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <setjmp.h>
-#include <signal.h>
-#include <vppinfra/clib.h>
-#include <vppinfra/format.h>
-#include <vppinfra/error.h>
-#include <vppinfra/time.h>
-#include <vppinfra/macros.h>
-#include <vnet/vnet.h>
-#include <vlib/vlib.h>
-#include <vlib/unix/unix.h>
-#include <vlibapi/api.h>
-#include <vlibmemory/api.h>
-#include <vpp/api/vpe_msg_enum.h>
-#include <svm/svm_fifo_segment.h>
-#include <pthread.h>
-
-#include "../vnet/session/application_interface.h"
-
-#define vl_typedefs /* define message structures */
-#include <vpp/api/vpe_all_api_h.h>
-#undef vl_typedefs
-
-/* declare message handlers for each api */
-
-#define vl_endianfun /* define message structures */
-#include <vpp/api/vpe_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...)
-#define vl_printfun
-#include <vpp/api/vpe_all_api_h.h>
-#undef vl_printfun
-
-/* Satisfy external references when not linking with -lvlib */
-vlib_main_t vlib_global_main;
-vlib_main_t **vlib_mains;
-
-typedef enum
-{
- STATE_START,
- STATE_READY,
- STATE_DISCONNECTING,
-} connection_state_t;
-
-typedef struct
-{
- svm_fifo_t *server_rx_fifo;
- svm_fifo_t *server_tx_fifo;
-} session_t;
-
-typedef struct
-{
- /* vpe input queue */
- unix_shared_memory_queue_t *vl_input_queue;
-
- /* API client handle */
- u32 my_client_index;
-
- /* The URI we're playing with */
- u8 *uri;
-
- /* Session pool */
- session_t *sessions;
-
- /* Hash table for disconnect processing */
- uword *session_index_by_vpp_handles;
-
- /* fifo segment */
- svm_fifo_segment_private_t *seg;
-
- /* intermediate rx buffer */
- u8 *rx_buf;
-
- /* URI for connect */
- u8 *connect_uri;
-
- int i_am_master;
-
- /* Our event queue */
- unix_shared_memory_queue_t *our_event_queue;
-
- /* $$$ single thread only for the moment */
- unix_shared_memory_queue_t *vpp_event_queue;
-
- /* $$$$ hack: cut-through session index */
- volatile u32 cut_through_session_index;
-
- /* unique segment name counter */
- u32 unique_segment_index;
-
- pid_t my_pid;
-
- /* pthread handle */
- pthread_t cut_through_thread_handle;
-
- /* For deadman timers */
- clib_time_t clib_time;
-
- /* State of the connection, shared between msg RX thread and main thread */
- volatile connection_state_t state;
-
- volatile int time_to_stop;
- volatile int time_to_print_stats;
-
- u32 configured_segment_size;
-
- /* VNET_API_ERROR_FOO -> "Foo" hash table */
- uword *error_string_by_error_number;
-
- /* convenience */
- svm_fifo_segment_main_t *segment_main;
-
-} uri_udp_test_main_t;
-
-#if CLIB_DEBUG > 0
-#define NITER 10000
-#else
-#define NITER 4000000
-#endif
-
-uri_udp_test_main_t uri_udp_test_main;
-
-static void
-stop_signal (int signum)
-{
- uri_udp_test_main_t *um = &uri_udp_test_main;
-
- um->time_to_stop = 1;
-}
-
-static void
-stats_signal (int signum)
-{
- uri_udp_test_main_t *um = &uri_udp_test_main;
-
- um->time_to_print_stats = 1;
-}
-
-static clib_error_t *
-setup_signal_handlers (void)
-{
- signal (SIGINT, stats_signal);
- signal (SIGQUIT, stop_signal);
- signal (SIGTERM, stop_signal);
-
- return 0;
-}
-
-u8 *
-format_api_error (u8 * s, va_list * args)
-{
- uri_udp_test_main_t *utm = va_arg (*args, uri_udp_test_main_t *);
- i32 error = va_arg (*args, u32);
- uword *p;
-
- p = hash_get (utm->error_string_by_error_number, -error);
-
- if (p)
- s = format (s, "%s", p[0]);
- else
- s = format (s, "%d", error);
- return s;
-}
-
-int
-wait_for_state_change (uri_udp_test_main_t * utm, connection_state_t state)
-{
-#if CLIB_DEBUG > 0
-#define TIMEOUT 600.0
-#else
-#define TIMEOUT 600.0
-#endif
-
- f64 timeout = clib_time_now (&utm->clib_time) + TIMEOUT;
-
- while (clib_time_now (&utm->clib_time) < timeout)
- {
- if (utm->state == state)
- return 0;
- }
- return -1;
-}
-
-u64 server_bytes_received, server_bytes_sent;
-
-static void *
-cut_through_thread_fn (void *arg)
-{
- 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;
- i32 actual_transfer;
- int rv;
- u32 buffer_offset;
-
- while (utm->cut_through_session_index == ~0)
- ;
-
- s = pool_elt_at_index (utm->sessions, utm->cut_through_session_index);
-
- rx_fifo = s->server_rx_fifo;
- tx_fifo = s->server_tx_fifo;
-
- vec_validate (my_copy_buffer, 64 * 1024 - 1);
-
- while (true)
- {
- /* We read from the tx fifo and write to the rx fifo */
- do
- {
- actual_transfer = svm_fifo_dequeue_nowait (tx_fifo, 0,
- vec_len (my_copy_buffer),
- my_copy_buffer);
- }
- while (actual_transfer <= 0);
-
- server_bytes_received += actual_transfer;
-
- buffer_offset = 0;
- while (actual_transfer > 0)
- {
- rv = svm_fifo_enqueue_nowait (rx_fifo, 0, actual_transfer,
- my_copy_buffer + buffer_offset);
- if (rv > 0)
- {
- actual_transfer -= rv;
- buffer_offset += rv;
- server_bytes_sent += rv;
- }
-
- }
- if (PREDICT_FALSE (utm->time_to_stop))
- break;
- }
-
- pthread_exit (0);
-}
-
-static void
-uri_udp_slave_test (uri_udp_test_main_t * utm)
-{
- vl_api_connect_uri_t *cmp;
- int i;
- u8 *test_data = 0;
- u64 bytes_received = 0, bytes_sent = 0;
- i32 bytes_to_read;
- int rv;
- int mypid = getpid ();
- f64 before, after, delta, bytes_per_second;
- session_t *session;
- svm_fifo_t *rx_fifo, *tx_fifo;
- int buffer_offset, bytes_to_send = 0;
-
- vec_validate (test_data, 64 * 1024 - 1);
- for (i = 0; i < vec_len (test_data); i++)
- test_data[i] = i & 0xff;
-
- cmp = vl_msg_api_alloc (sizeof (*cmp));
- memset (cmp, 0, sizeof (*cmp));
-
- cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
- cmp->client_index = utm->my_client_index;
- cmp->context = ntohl (0xfeedface);
- memcpy (cmp->uri, utm->connect_uri, vec_len (utm->connect_uri));
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & cmp);
-
- if (wait_for_state_change (utm, STATE_READY))
- {
- clib_warning ("timeout waiting for STATE_READY");
- return;
- }
-
- session = pool_elt_at_index (utm->sessions, utm->cut_through_session_index);
- rx_fifo = session->server_rx_fifo;
- tx_fifo = session->server_tx_fifo;
-
- before = clib_time_now (&utm->clib_time);
-
- vec_validate (utm->rx_buf, vec_len (test_data) - 1);
-
- for (i = 0; i < NITER; i++)
- {
- bytes_to_send = vec_len (test_data);
- buffer_offset = 0;
- while (bytes_to_send > 0)
- {
- rv = svm_fifo_enqueue_nowait (tx_fifo, mypid,
- bytes_to_send,
- test_data + buffer_offset);
-
- if (rv > 0)
- {
- bytes_to_send -= rv;
- buffer_offset += rv;
- bytes_sent += rv;
- }
- }
-
- 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, mypid,
- bytes_to_read,
- utm->rx_buf + buffer_offset);
- if (rv > 0)
- {
- bytes_to_read -= rv;
- buffer_offset += rv;
- bytes_received += rv;
- }
- }
- }
- while (bytes_received < bytes_sent)
- {
- rv = svm_fifo_dequeue_nowait (rx_fifo, mypid,
- vec_len (utm->rx_buf), utm->rx_buf);
- if (rv > 0)
- {
-#if CLIB_DEBUG > 0
- int j;
- for (j = 0; j < rv; j++)
- {
- if (utm->rx_buf[j] != ((bytes_received + j) & 0xff))
- {
- clib_warning ("error at byte %lld, 0x%x not 0x%x",
- bytes_received + j,
- utm->rx_buf[j],
- ((bytes_received + j) & 0xff));
- }
- }
-#endif
- bytes_received += (u64) rv;
- }
- }
-
- after = clib_time_now (&utm->clib_time);
- delta = after - before;
- bytes_per_second = 0.0;
-
- if (delta > 0.0)
- bytes_per_second = (f64) bytes_received / delta;
-
- fformat (stdout,
- "Done: %lld recv bytes in %.2f seconds, %.2f bytes/sec...\n\n",
- bytes_received, delta, bytes_per_second);
- fformat (stdout,
- "Done: %lld sent bytes in %.2f seconds, %.2f bytes/sec...\n\n",
- bytes_sent, delta, bytes_per_second);
- fformat (stdout,
- "client -> server -> client round trip: %.2f Gbit/sec \n\n",
- (bytes_per_second * 8.0) / 1e9);
-}
-
-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;
- svm_fifo_segment_create_args_t _a, *a = &_a;
- int rv;
-
- if (mp->segment_name_length == 0)
- {
- clib_warning ("segment_name_length zero");
- return;
- }
-
- a->segment_name = (char *) mp->segment_name;
- a->segment_size = mp->segment_size;
-
- ASSERT (mp->server_event_queue_address);
-
- /* Attach to the segment vpp created */
- rv = svm_fifo_segment_attach (a);
- if (rv)
- {
- clib_warning ("svm_fifo_segment_attach ('%s') failed",
- mp->segment_name);
- return;
- }
-
- utm->our_event_queue = (unix_shared_memory_queue_t *)
- mp->server_event_queue_address;
-
- utm->state = STATE_READY;
-}
-
-static void
-vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
-{
- svm_fifo_segment_create_args_t _a, *a = &_a;
- int rv;
-
- a->segment_name = (char *) mp->segment_name;
- a->segment_size = mp->segment_size;
- /* Attach to the segment vpp created */
- rv = svm_fifo_segment_attach (a);
- if (rv)
- {
- clib_warning ("svm_fifo_segment_attach ('%s') failed",
- mp->segment_name);
- return;
- }
- clib_warning ("Mapped new segment '%s' size %d", mp->segment_name,
- mp->segment_size);
-}
-
-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;
- 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;
- unix_shared_memory_queue_t *client_q;
- vl_api_connect_uri_reply_t *rmp;
- session_t *session;
- int rv = 0;
-
- /* 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)
- {
- 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);
-
- /*
- * By construction the master's idea of the rx fifo ends up in
- * fsh->fifos[0], and the master's idea of the tx fifo ends up in
- * fsh->fifos[1].
- */
- session->server_rx_fifo = svm_fifo_segment_alloc_fifo (utm->seg,
- 128 * 1024);
- ASSERT (session->server_rx_fifo);
-
- session->server_tx_fifo = svm_fifo_segment_alloc_fifo (utm->seg,
- 128 * 1024);
- ASSERT (session->server_tx_fifo);
-
- session->server_rx_fifo->server_session_index = session - utm->sessions;
- session->server_tx_fifo->server_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_URI_REPLY);
- rmp->context = mp->context;
- rmp->retval = ntohl (rv);
- rmp->segment_name_length = vec_len (a->segment_name);
- memcpy (rmp->segment_name, a->segment_name, vec_len (a->segment_name));
-
- vec_free (a->segment_name);
-
- client_q = (unix_shared_memory_queue_t *) mp->client_queue_address;
- vl_msg_api_send_shmem (client_q, (u8 *) & rmp);
-}
-
-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;
-
- 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;
- u64 key;
-
- if (start_time == 0.0)
- start_time = clib_time_now (&utm->clib_time);
-
- utm->vpp_event_queue = (unix_shared_memory_queue_t *)
- mp->vpp_event_queue_address;
-
- pool_get (utm->sessions, session);
-
- rx_fifo = (svm_fifo_t *) mp->server_rx_fifo;
- rx_fifo->client_session_index = session - utm->sessions;
- tx_fifo = (svm_fifo_t *) mp->server_tx_fifo;
- tx_fifo->client_session_index = session - utm->sessions;
-
- session->server_rx_fifo = rx_fifo;
- session->server_tx_fifo = tx_fifo;
-
- key = (((u64) mp->session_thread_index) << 32) | (u64) mp->session_index;
-
- hash_set (utm->session_index_by_vpp_handles, key, session - utm->sessions);
-
- utm->state = STATE_READY;
-
- 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->session_type = mp->session_type;
- rmp->session_index = mp->session_index;
- rmp->session_thread_index = mp->session_thread_index;
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
-}
-
-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;
- u64 key;
-
- key = (((u64) mp->session_thread_index) << 32) | (u64) mp->session_index;
-
- p = hash_get (utm->session_index_by_vpp_handles, key);
-
- if (p)
- {
- session = pool_elt_at_index (utm->sessions, p[0]);
- hash_unset (utm->session_index_by_vpp_handles, key);
- pool_put (utm->sessions, session);
- }
- else
- {
- clib_warning ("couldn't find session key %llx", key);
- 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->session_index = mp->session_index;
- rmp->session_thread_index = mp->session_thread_index;
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
-}
-
-static void
-vl_api_connect_uri_reply_t_handler (vl_api_connect_uri_reply_t * mp)
-{
- svm_fifo_segment_main_t *sm = &svm_fifo_segment_main;
- uri_udp_test_main_t *utm = &uri_udp_test_main;
- svm_fifo_segment_create_args_t _a, *a = &_a;
- ssvm_shared_header_t *sh;
- svm_fifo_segment_private_t *seg;
- svm_fifo_segment_header_t *fsh;
- session_t *session;
- u32 segment_index;
- int rv;
-
- ASSERT (utm->i_am_master == 0);
-
- if (mp->segment_name_length == 0)
- {
- clib_warning ("segment_name_length zero");
- return;
- }
-
- 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 = vec_len (sm->segments) - 1;
-
- vec_add2 (utm->seg, seg, 1);
-
- memcpy (seg, sm->segments + segment_index, sizeof (*seg));
- sh = seg->ssvm.sh;
- fsh = (svm_fifo_segment_header_t *) sh->opaque[0];
-
- while (vec_len (fsh->fifos) < 2)
- sleep (1);
-
- pool_get (utm->sessions, session);
- utm->cut_through_session_index = session - utm->sessions;
-
- session->server_rx_fifo = (svm_fifo_t *) fsh->fifos[0];
- ASSERT (session->server_rx_fifo);
- session->server_tx_fifo = (svm_fifo_t *) fsh->fifos[1];
- ASSERT (session->server_tx_fifo);
-
- /* security: could unlink /dev/shm/<mp->segment_name> here, maybe */
-
- utm->state = STATE_READY;
-}
-
-#define foreach_uri_msg \
-_(BIND_URI_REPLY, bind_uri_reply) \
-_(CONNECT_URI, connect_uri) \
-_(CONNECT_URI_REPLY, connect_uri_reply) \
-_(UNBIND_URI_REPLY, unbind_uri_reply) \
-_(ACCEPT_SESSION, accept_session) \
-_(DISCONNECT_SESSION, disconnect_session) \
-_(MAP_ANOTHER_SEGMENT, map_another_segment)
-
-void
-uri_api_hookup (uri_udp_test_main_t * utm)
-{
-#define _(N,n) \
- vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
- vl_noop_handler, \
- vl_api_##n##_t_endian, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 1);
- foreach_uri_msg;
-#undef _
-
-}
-
-
-int
-connect_to_vpp (char *name)
-{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
- api_main_t *am = &api_main;
-
- if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
- return -1;
-
- utm->vl_input_queue = am->shmem_hdr->vl_input_queue;
- utm->my_client_index = am->my_client_index;
-
- return 0;
-}
-
-void
-vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...)
-{
- clib_warning ("BUG");
-}
-
-static void
-init_error_string_table (uri_udp_test_main_t * utm)
-{
- utm->error_string_by_error_number = hash_create (0, sizeof (uword));
-
-#define _(n,v,s) hash_set (utm->error_string_by_error_number, -v, s);
- foreach_vnet_api_error;
-#undef _
-
- hash_set (utm->error_string_by_error_number, 99, "Misc");
-}
-
-void
-handle_fifo_event_server_rx (uri_udp_test_main_t * utm,
- session_fifo_event_t * e)
-{
- svm_fifo_t *rx_fifo, *tx_fifo;
- int nbytes;
-
- session_fifo_event_t evt;
- unix_shared_memory_queue_t *q;
- int rv;
-
- rx_fifo = e->fifo;
- tx_fifo = utm->sessions[rx_fifo->client_session_index].server_tx_fifo;
-
- do
- {
- nbytes = svm_fifo_dequeue_nowait (rx_fifo, 0,
- vec_len (utm->rx_buf), utm->rx_buf);
- }
- while (nbytes <= 0);
- do
- {
- rv = svm_fifo_enqueue_nowait (tx_fifo, 0, nbytes, utm->rx_buf);
- }
- while (rv == -2);
-
- /* Fabricate TX event, send to vpp */
- evt.fifo = tx_fifo;
- evt.event_type = FIFO_EVENT_SERVER_TX;
- /* $$$$ for event logging */
- evt.enqueue_length = nbytes;
- evt.event_id = e->event_id;
- q = utm->vpp_event_queue;
- unix_shared_memory_queue_add (q, (u8 *) & evt, 0 /* do wait for mutex */ );
-}
-
-void
-handle_event_queue (uri_udp_test_main_t * utm)
-{
- session_fifo_event_t _e, *e = &_e;;
-
- while (1)
- {
- unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *) e,
- 0 /* nowait */ );
- switch (e->event_type)
- {
- case FIFO_EVENT_SERVER_RX:
- handle_fifo_event_server_rx (utm, e);
- break;
-
- case FIFO_EVENT_SERVER_EXIT:
- return;
-
- default:
- clib_warning ("unknown event type %d", e->event_type);
- break;
- }
- if (PREDICT_FALSE (utm->time_to_stop == 1))
- break;
- if (PREDICT_FALSE (utm->time_to_print_stats == 1))
- {
- utm->time_to_print_stats = 0;
- fformat (stdout, "%d connections\n", pool_elts (utm->sessions));
- }
- }
-}
-
-void
-uri_udp_test (uri_udp_test_main_t * utm)
-{
- vl_api_bind_uri_t *bmp;
- vl_api_unbind_uri_t *ump;
-
- bmp = vl_msg_api_alloc (sizeof (*bmp));
- memset (bmp, 0, sizeof (*bmp));
-
- bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
- bmp->client_index = utm->my_client_index;
- bmp->context = ntohl (0xfeedface);
- bmp->initial_segment_size = 256 << 20; /* size of initial segment */
- bmp->options[SESSION_OPTIONS_FLAGS] =
- SESSION_OPTIONS_FLAGS_USE_FIFO | SESSION_OPTIONS_FLAGS_ADD_SEGMENT;
- bmp->options[SESSION_OPTIONS_RX_FIFO_SIZE] = 16 << 10;
- bmp->options[SESSION_OPTIONS_TX_FIFO_SIZE] = 16 << 10;
- bmp->options[SESSION_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
- memcpy (bmp->uri, utm->uri, vec_len (utm->uri));
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp);
-
- if (wait_for_state_change (utm, STATE_READY))
- {
- clib_warning ("timeout waiting for STATE_READY");
- return;
- }
-
- handle_event_queue (utm);
-
- ump = vl_msg_api_alloc (sizeof (*ump));
- memset (ump, 0, sizeof (*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));
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & ump);
-
- if (wait_for_state_change (utm, STATE_START))
- {
- clib_warning ("timeout waiting for STATE_START");
- return;
- }
-
- fformat (stdout, "Test complete...\n");
-}
-
-int
-main (int argc, char **argv)
-{
- uri_udp_test_main_t *utm = &uri_udp_test_main;
- unformat_input_t _argv, *a = &_argv;
- u8 *chroot_prefix;
- u8 *heap;
- u8 *bind_name = (u8 *) "udp://0.0.0.0/1234";
- u32 tmp;
- mheap_t *h;
- session_t *session;
- int i;
- int i_am_master = 1;
-
- clib_mem_init (0, 256 << 20);
-
- heap = clib_mem_get_per_cpu_heap ();
- h = mheap_header (heap);
-
- /* make the main heap thread-safe */
- h->flags |= MHEAP_FLAG_THREAD_SAFE;
-
- 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;
-
- 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)
- {
- 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, "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
- {
- fformat (stderr, "%s: usage [master|slave]\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://10.0.0.1/1234%c", 0);
-
- setup_signal_handlers ();
-
- uri_api_hookup (utm);
-
- if (connect_to_vpp (i_am_master ? "uri_udp_master" : "uri_udp_slave") < 0)
- {
- svm_region_exit ();
- fformat (stderr, "Couldn't connect to vpe, exiting...\n");
- exit (1);
- }
-
- if (i_am_master == 0)
- {
- uri_udp_slave_test (utm);
- exit (0);
- }
-
- /* $$$$ hack preallocation */
- for (i = 0; i < 200000; i++)
- {
- pool_get (utm->sessions, session);
- memset (session, 0, sizeof (*session));
- }
- for (i = 0; i < 200000; i++)
- pool_put_index (utm->sessions, i);
-
- uri_udp_test (utm);
-
- vl_client_disconnect_from_vlib ();
- exit (0);
-}
-
-#undef vl_api_version
-#define vl_api_version(n,v) static u32 vpe_api_version = v;
-#include <vpp/api/vpe.api.h>
-#undef vl_api_version
-
-void
-vl_client_add_api_signatures (vl_api_memclnt_create_t * mp)
-{
- /*
- * Send the main API signature in slot 0. This bit of code must
- * match the checks in ../vpe/api/api.c: vl_msg_api_version_check().
- */
- mp->api_versions[0] = clib_host_to_net_u32 (vpe_api_version);
-}
-
-u32
-vl (void *p)
-{
- return vec_len (p);
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
+++ /dev/null
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <setjmp.h>
-#include <vppinfra/clib.h>
-#include <vppinfra/format.h>
-#include <vppinfra/error.h>
-#include <vppinfra/time.h>
-#include <vppinfra/macros.h>
-#include <vnet/vnet.h>
-#include <vlib/vlib.h>
-#include <vlib/unix/unix.h>
-#include <vlibapi/api.h>
-#include <vlibmemory/api.h>
-#include <vpp-api/vpe_msg_enum.h>
-#include <svm_fifo_segment.h>
-
-#define vl_typedefs /* define message structures */
-#include <vpp-api/vpe_all_api_h.h>
-#undef vl_typedefs
-
-/* declare message handlers for each api */
-
-#define vl_endianfun /* define message structures */
-#include <vpp-api/vpe_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...)
-#define vl_printfun
-#include <vpp-api/vpe_all_api_h.h>
-#undef vl_printfun
-
-typedef enum
-{
- STATE_START,
- STATE_READY,
- STATE_DISCONNECTING,
-} connection_state_t;
-
-typedef struct
-{
- /* vpe input queue */
- unix_shared_memory_queue_t *vl_input_queue;
-
- /* API client handle */
- u32 my_client_index;
-
- /* role */
- int i_am_master;
-
- /* The URI we're playing with */
- u8 *uri;
-
- /* fifo segment */
- svm_fifo_segment_private_t *seg;
-
- svm_fifo_t *rx_fifo;
- svm_fifo_t *tx_fifo;
-
- /* For deadman timers */
- clib_time_t clib_time;
-
- /* State of the connection, shared between msg RX thread and main thread */
- volatile connection_state_t state;
-
- /* VNET_API_ERROR_FOO -> "Foo" hash table */
- uword *error_string_by_error_number;
-} uritest_main_t;
-
-#if CLIB_DEBUG > 0
-#define NITER 1000
-#else
-#define NITER 1000000
-#endif
-
-uritest_main_t uritest_main;
-
-u8 *
-format_api_error (u8 * s, va_list * args)
-{
- uritest_main_t *utm = va_arg (*args, uritest_main_t *);
- i32 error = va_arg (*args, u32);
- uword *p;
-
- p = hash_get (utm->error_string_by_error_number, -error);
-
- if (p)
- s = format (s, "%s", p[0]);
- else
- s = format (s, "%d", error);
- return s;
-}
-
-int
-wait_for_state_change (uritest_main_t * utm, connection_state_t state)
-{
- f64 timeout = clib_time_now (&utm->clib_time) + 1.0;
-
- while (clib_time_now (&utm->clib_time) < timeout)
- {
- if (utm->state == state)
- return 0;
- }
- return -1;
-}
-
-static void
-vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
-{
- uritest_main_t *utm = &uritest_main;
- svm_fifo_segment_create_args_t _a, *a = &_a;
- int rv;
-
- ASSERT (utm->i_am_master);
-
- if (mp->segment_name_length == 0)
- {
- clib_warning ("segment_name_length zero");
- return;
- }
-
- a->segment_name = (char *) mp->segment_name;
- a->segment_size = mp->segment_size;
-
- /* Create the segment */
- rv = svm_fifo_segment_create (a);
- if (rv)
- {
- clib_warning ("sm_fifo_segment_create ('%s') failed", mp->segment_name);
- return;
- }
-
- vec_validate (utm->seg, 0);
-
- memcpy (utm->seg, a->rv, sizeof (*utm->seg));
-
- /*
- * By construction the master's idea of the rx fifo ends up in
- * fsh->fifos[0], and the master's idea of the tx fifo ends up in
- * fsh->fifos[1].
- */
- utm->rx_fifo = svm_fifo_segment_alloc_fifo (utm->seg, 10240);
- ASSERT (utm->rx_fifo);
-
- utm->tx_fifo = svm_fifo_segment_alloc_fifo (utm->seg, 10240);
- ASSERT (utm->tx_fifo);
-
- utm->state = STATE_READY;
-}
-
-static void
-vl_api_connect_uri_reply_t_handler (vl_api_connect_uri_reply_t * mp)
-{
- uritest_main_t *utm = &uritest_main;
- svm_fifo_segment_create_args_t _a, *a = &_a;
- ssvm_shared_header_t *sh;
- svm_fifo_segment_header_t *fsh;
- int rv;
-
- ASSERT (utm->i_am_master == 0);
-
- if (mp->segment_name_length == 0)
- {
- clib_warning ("segment_name_length zero");
- return;
- }
-
- memset (a, 0, sizeof (*a));
-
- a->segment_name = (char *) mp->segment_name;
-
- rv = svm_fifo_segment_attach (a);
- if (rv)
- {
- clib_warning ("sm_fifo_segment_create ('%s') failed", mp->segment_name);
- return;
- }
-
- vec_validate (utm->seg, 0);
-
- memcpy (utm->seg, a->rv, sizeof (*utm->seg));
- sh = utm->seg->ssvm.sh;
- fsh = (svm_fifo_segment_header_t *) sh->opaque[0];
-
- while (vec_len (fsh->fifos) < 2)
- sleep (1);
-
- utm->rx_fifo = (svm_fifo_t *) fsh->fifos[1];
- ASSERT (utm->rx_fifo);
- utm->tx_fifo = (svm_fifo_t *) fsh->fifos[0];
- ASSERT (utm->tx_fifo);
-
- /* security: could unlink /dev/shm/<mp->segment_name> here, maybe */
-
- utm->state = STATE_READY;
-}
-
-static void
-vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
-{
- uritest_main_t *utm = &uritest_main;
-
- if (mp->retval != 0)
- clib_warning ("returned %d", ntohl (mp->retval));
-
- utm->state = STATE_START;
-}
-
-#define foreach_uri_msg \
-_(BIND_URI_REPLY, bind_uri_reply) \
-_(CONNECT_URI_REPLY, connect_uri_reply) \
-_(UNBIND_URI_REPLY, unbind_uri_reply)
-
-void
-uri_api_hookup (uritest_main_t * utm)
-{
-#define _(N,n) \
- vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
- vl_noop_handler, \
- vl_api_##n##_t_endian, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 1);
- foreach_uri_msg;
-#undef _
-
-}
-
-
-int
-connect_to_vpp (char *name)
-{
- uritest_main_t *utm = &uritest_main;
- api_main_t *am = &api_main;
-
- if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
- return -1;
-
- utm->vl_input_queue = am->shmem_hdr->vl_input_queue;
- utm->my_client_index = am->my_client_index;
-
- return 0;
-}
-
-void
-vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...)
-{
- clib_warning ("BUG");
-}
-
-static void
-init_error_string_table (uritest_main_t * utm)
-{
- utm->error_string_by_error_number = hash_create (0, sizeof (uword));
-
-#define _(n,v,s) hash_set (utm->error_string_by_error_number, -v, s);
- foreach_vnet_api_error;
-#undef _
-
- hash_set (utm->error_string_by_error_number, 99, "Misc");
-}
-
-void
-uritest_master (uritest_main_t * utm)
-{
- vl_api_bind_uri_t *bmp;
- vl_api_unbind_uri_t *ump;
- int i;
- u8 *test_data = 0;
- u8 *reply = 0;
- u32 reply_len;
- int mypid = getpid ();
-
- for (i = 0; i < 2048; i++)
- vec_add1 (test_data, 'a' + (i % 32));
-
- bmp = vl_msg_api_alloc (sizeof (*bmp));
- memset (bmp, 0, sizeof (*bmp));
-
- bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
- bmp->client_index = utm->my_client_index;
- bmp->context = ntohl (0xfeedface);
- bmp->segment_size = 256 << 10;
- memcpy (bmp->uri, utm->uri, vec_len (utm->uri));
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp);
-
- if (wait_for_state_change (utm, STATE_READY))
- {
- clib_warning ("timeout waiting for STATE_READY");
- return;
- }
-
- for (i = 0; i < NITER; i++)
- svm_fifo_enqueue (utm->tx_fifo, mypid, vec_len (test_data), test_data);
-
- vec_validate (reply, 0);
-
- reply_len = svm_fifo_dequeue (utm->rx_fifo, mypid, vec_len (reply), reply);
-
- if (reply_len != 1)
- clib_warning ("reply length %d", reply_len);
-
- if (reply[0] == 1)
- fformat (stdout, "Test OK...");
-
- ump = vl_msg_api_alloc (sizeof (*ump));
- memset (ump, 0, sizeof (*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));
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & ump);
-
- if (wait_for_state_change (utm, STATE_START))
- {
- clib_warning ("timeout waiting for STATE_READY");
- return;
- }
-
- fformat (stdout, "Master done...\n");
-}
-
-void
-uritest_slave (uritest_main_t * utm)
-{
- vl_api_connect_uri_t *cmp;
- int i, j;
- u8 *test_data = 0;
- u8 *reply = 0;
- u32 bytes_received = 0;
- u32 actual_bytes;
- int mypid = getpid ();
- u8 ok;
- f64 before, after, delta, bytes_per_second;
-
- vec_validate (test_data, 4095);
-
- cmp = vl_msg_api_alloc (sizeof (*cmp));
- memset (cmp, 0, sizeof (*cmp));
-
- cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
- cmp->client_index = utm->my_client_index;
- cmp->context = ntohl (0xfeedface);
- memcpy (cmp->uri, utm->uri, vec_len (utm->uri));
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & cmp);
-
- if (wait_for_state_change (utm, STATE_READY))
- {
- clib_warning ("timeout waiting for STATE_READY");
- return;
- }
-
- ok = 1;
- before = clib_time_now (&utm->clib_time);
- for (i = 0; i < NITER; i++)
- {
- actual_bytes = svm_fifo_dequeue (utm->rx_fifo, mypid,
- vec_len (test_data), test_data);
- j = 0;
- while (j < actual_bytes)
- {
- if (test_data[j] != ('a' + (bytes_received % 32)))
- ok = 0;
- bytes_received++;
- j++;
- }
- if (bytes_received == NITER * 2048)
- break;
- }
-
- vec_add1 (reply, ok);
-
- svm_fifo_enqueue (utm->tx_fifo, mypid, vec_len (reply), reply);
- after = clib_time_now (&utm->clib_time);
- delta = after - before;
- bytes_per_second = 0.0;
-
- if (delta > 0.0)
- bytes_per_second = (f64) bytes_received / delta;
-
- fformat (stdout,
- "Slave done, %d bytes in %.2f seconds, %.2f bytes/sec...\n",
- bytes_received, delta, bytes_per_second);
-}
-
-int
-main (int argc, char **argv)
-{
- uritest_main_t *utm = &uritest_main;
- unformat_input_t _argv, *a = &_argv;
- u8 *chroot_prefix;
- u8 *heap;
- char *bind_name = "fifo:uritest";
- mheap_t *h;
- int i_am_master = 0;
-
- clib_mem_init (0, 128 << 20);
-
- heap = clib_mem_get_per_cpu_heap ();
- h = mheap_header (heap);
-
- /* make the main heap thread-safe */
- h->flags |= MHEAP_FLAG_THREAD_SAFE;
-
- clib_time_init (&utm->clib_time);
- init_error_string_table (utm);
- svm_fifo_segment_init (0x200000000ULL, 20);
- unformat_init_command_line (a, argv);
-
- utm->uri = format (0, "%s%c", bind_name, 0);
-
- while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (a, "master"))
- i_am_master = 1;
- else if (unformat (a, "slave"))
- i_am_master = 0;
- else if (unformat (a, "chroot prefix %s", &chroot_prefix))
- {
- vl_set_memory_root_path ((char *) chroot_prefix);
- }
- else
- {
- fformat (stderr, "%s: usage [master|slave]\n");
- exit (1);
- }
- }
-
- uri_api_hookup (utm);
-
- if (connect_to_vpp (i_am_master ? "uritest_master" : "uritest_slave") < 0)
- {
- svm_region_exit ();
- fformat (stderr, "Couldn't connect to vpe, exiting...\n");
- exit (1);
- }
-
- utm->i_am_master = i_am_master;
-
- if (i_am_master)
- uritest_master (utm);
- else
- uritest_slave (utm);
-
- vl_client_disconnect_from_vlib ();
- exit (0);
-}
-
-#undef vl_api_version
-#define vl_api_version(n,v) static u32 vpe_api_version = v;
-#include <vpp-api/vpe.api.h>
-#undef vl_api_version
-
-void
-vl_client_add_api_signatures (vl_api_memclnt_create_t * mp)
-{
- /*
- * Send the main API signature in slot 0. This bit of code must
- * match the checks in ../vpe/api/api.c: vl_msg_api_version_check().
- */
- mp->api_versions[0] = clib_host_to_net_u32 (vpe_api_version);
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
vnet/tcp/tcp_output.c \
vnet/tcp/tcp_input.c \
vnet/tcp/tcp_newreno.c \
+ vnet/tcp/builtin_server.c \
vnet/tcp/tcp.c
nobase_include_HEADERS += \
_(BFD_EAGAIN, -111, "BFD object cannot be manipulated at this time") \
_(INVALID_GPE_MODE, -112, "Invalid GPE mode") \
_(LISP_GPE_ENTRIES_PRESENT, -113, "LISP GPE entries are present") \
-_(ADDRESS_FOUND_FOR_INTERFACE, -114, "Address found for interface")
+_(ADDRESS_FOUND_FOR_INTERFACE, -114, "Address found for interface") \
+_(SESSION_CONNECT_FAIL, -115, "Session failed to connect")
typedef enum
{
return pool_elt_at_index (app_pool, index);
}
+application_t *
+application_get_if_valid (u32 index)
+{
+ if (pool_is_free_index (app_pool, index))
+ return 0;
+
+ return pool_elt_at_index (app_pool, index);
+}
+
u32
application_get_index (application_t * app)
{
regp = vl_api_client_index_to_registration (srv->api_client_index);
if (!regp)
- server_name = format (0, "%s%c", regp->name, 0);
+ server_name = format (0, "builtin-%d%c", srv->index, 0);
else
server_name = regp->name;
show_app_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
+ session_manager_main_t *smm = &session_manager_main;
application_t *app;
int do_server = 0;
int do_client = 0;
int verbose = 0;
+ if (!smm->is_enabled)
+ {
+ clib_error_return (0, "session layer is not enabled");
+ }
+
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "server"))
/* *INDENT-ON* */
}
else
- vlib_cli_output (vm, "No active server bindings");
+ vlib_cli_output (vm, "No active client bindings");
}
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_app_command, static) =
{
-.path = "show app",.short_help =
- "show app [server|client] [verbose]",.function = show_app_command_fn,};
+ .path = "show app",
+ .short_help = "show app [server|client] [verbose]",
+ .function = show_app_command_fn,
+};
+/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
session_cb_vft_t * cb_fns);
void application_del (application_t * app);
application_t *application_get (u32 index);
+application_t *application_get_if_valid (u32 index);
application_t *application_lookup (u32 api_client_index);
u32 application_get_index (application_t * app);
prefix.fp_proto = FIB_PROTOCOL_IP6;
}
- clib_memcpy (&prefix.fp_addr, ip46_address, sizeof (ip46_address));
+ clib_memcpy (&prefix.fp_addr, ip46_address, sizeof (ip46_address_t));
fei = fib_table_lookup (0, &prefix);
flags = fib_entry_get_flags (fei);
/*
* Not connecting to a local server. Create regular session
*/
- stream_session_open (sst, ip46, port, app->index);
-
- return 0;
+ return stream_session_open (sst, ip46, port, app->index);
}
/**
snd_space0 = transport_vft->send_space (tc0);
snd_mss0 = transport_vft->send_mss (tc0);
+ /* Can't make any progress */
if (snd_space0 == 0 || svm_fifo_max_dequeue (s0->server_tx_fifo) == 0
|| snd_mss0 == 0)
- return 0;
+ {
+ vec_add1 (smm->evts_partially_read[thread_index], *e0);
+ return 0;
+ }
ASSERT (e0->enqueue_length > 0);
if (PREDICT_FALSE (n_bufs < 0.9 * VLIB_FRAME_SIZE))
{
/* Keep track of how much we've dequeued and exit */
- e0->enqueue_length -= max_len_to_snd0 - left_to_snd0;
+ if (left_to_snd0 != max_len_to_snd0)
+ {
+ e0->enqueue_length -= max_len_to_snd0 - left_to_snd0;
+ vec_add1 (smm->evts_partially_read[thread_index], *e0);
+ }
+
return -1;
}
t0->server_thread_index = s0->thread_index;
}
+ /* *INDENT-OFF* */
if (1)
{
- ELOG_TYPE_DECLARE (e) =
- {
- .format = "evt-dequeue: id %d length %d",.format_args =
- "i4i4",};
+ ELOG_TYPE_DECLARE (e) = {
+ .format = "evt-dequeue: id %d length %d",
+ .format_args = "i4i4",
+ };
struct
{
u32 data[2];
ed->data[0] = e0->event_id;
ed->data[1] = e0->enqueue_length;
}
+ /* *INDENT-ON* */
len_to_deq0 = (left_to_snd0 < snd_mss0) ? left_to_snd0 : snd_mss0;
{
session_manager_main_t *smm = vnet_get_session_manager_main ();
session_fifo_event_t *my_fifo_events, *e;
- u32 n_to_dequeue;
+ u32 n_to_dequeue, n_events;
unix_shared_memory_queue_t *q;
int n_tx_packets = 0;
u32 my_thread_index = vm->cpu_index;
/* min number of events we can dequeue without blocking */
n_to_dequeue = q->cursize;
- if (n_to_dequeue == 0)
- return 0;
-
my_fifo_events = smm->fifo_events[my_thread_index];
- /* If we didn't manage to process previous events try going
+ if (n_to_dequeue == 0 && vec_len (my_fifo_events) == 0)
+ return 0;
+
+ /*
+ * If we didn't manage to process previous events try going
* over them again without dequeuing new ones.
- * XXX: Block senders to sessions that can't keep up */
+ */
+ /* XXX: Block senders to sessions that can't keep up */
if (vec_len (my_fifo_events) >= 100)
goto skip_dequeue;
smm->fifo_events[my_thread_index] = my_fifo_events;
skip_dequeue:
-
- for (i = 0; i < n_to_dequeue; i++)
+ n_events = vec_len (my_fifo_events);
+ for (i = 0; i < n_events; i++)
{
svm_fifo_t *f0; /* $$$ prefetch 1 ahead maybe */
stream_session_t *s0;
/* $$$ add multiple event queues, per vpp worker thread */
ASSERT (server_thread_index0 == my_thread_index);
- s0 = pool_elt_at_index (smm->sessions[my_thread_index],
- server_session_index0);
+ s0 = stream_session_get_if_valid (server_session_index0,
+ my_thread_index);
+ if (!s0)
+ {
+ clib_warning ("It's dead Jim!");
+ continue;
+ }
ASSERT (s0->thread_index == my_thread_index);
done:
/* Couldn't process all events. Probably out of buffers */
- if (PREDICT_FALSE (i < n_to_dequeue))
+ if (PREDICT_FALSE (i < n_events))
{
session_fifo_event_t *partially_read =
smm->evts_partially_read[my_thread_index];
- vec_add (partially_read, &my_fifo_events[i], n_to_dequeue - i);
+ vec_add (partially_read, &my_fifo_events[i], n_events - i);
vec_free (my_fifo_events);
smm->fifo_events[my_thread_index] = partially_read;
smm->evts_partially_read[my_thread_index] = 0;
.n_errors = ARRAY_LEN (session_queue_error_strings),
.error_strings = session_queue_error_strings,
.n_next_nodes = SESSION_QUEUE_N_NEXT,
- /* .state = VLIB_NODE_STATE_DISABLED, enable on-demand? */
- /* edit / add dispositions here */
+ .state = VLIB_NODE_STATE_DISABLED,
.next_nodes =
{
[SESSION_QUEUE_NEXT_DROP] = "error-drop",
i32 retval;
u64 handle;
};
+
+/** \brief enable/disable session layer
+ @param client_index - opaque cookie to identify the sender
+ client to vpp direction only
+ @param context - sender context, to match reply w/ request
+ @param is_enable - disable session layer if 0, enable otherwise
+*/
+define session_enable_disable {
+ u32 client_index;
+ u32 context;
+ u8 is_enable;
+};
+
+/** \brief Reply for session enable/disable
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define session_enable_disable_reply {
+ u32 context;
+ i32 retval;
+};
+
/*
* Local Variables:
* eval: (c-set-style "gnu")
}
transport_connection_t *
-stream_session_lookup_transport4 (session_manager_main_t * smm,
- ip4_address_t * lcl, ip4_address_t * rmt,
+stream_session_lookup_transport4 (ip4_address_t * lcl, ip4_address_t * rmt,
u16 lcl_port, u16 rmt_port, u8 proto,
u32 my_thread_index)
{
+ session_manager_main_t *smm = &session_manager_main;
session_kv4_t kv4;
stream_session_t *s;
int rv;
}
transport_connection_t *
-stream_session_lookup_transport6 (session_manager_main_t * smm,
- ip6_address_t * lcl, ip6_address_t * rmt,
+stream_session_lookup_transport6 (ip6_address_t * lcl, ip6_address_t * rmt,
u16 lcl_port, u16 rmt_port, u8 proto,
u32 my_thread_index)
{
+ session_manager_main_t *smm = &session_manager_main;
stream_session_t *s;
session_kv6_t kv6;
int rv;
u8 * added_a_segment)
{
svm_fifo_segment_private_t *fifo_segment;
- u32 fifo_size, default_fifo_size = 8192 /* TODO config */ ;
+ u32 fifo_size, default_fifo_size = 128 << 10; /* TODO config */
int i;
*added_a_segment = 0;
connects_session_manager_init (session_manager_main_t * smm, u8 session_type)
{
session_manager_t *sm;
- u32 connect_fifo_size = 8 << 10; /* Config? */
+ u32 connect_fifo_size = 256 << 10; /* Config? */
u32 default_segment_size = 1 << 20;
pool_get (smm->session_managers, sm);
svm_fifo_segment_free_fifo (fifo_segment, s->server_rx_fifo);
svm_fifo_segment_free_fifo (fifo_segment, s->server_tx_fifo);
- /* Cleanup app if client */
- app = application_get (s->app_index);
+ app = application_get_if_valid (s->app_index);
+
+ /* No app. A possibility: after disconnect application called unbind */
+ if (!app)
+ return;
+
if (app->mode == APP_CLIENT)
{
+ /* Cleanup app if client */
application_del (app);
}
else if (app->mode == APP_SERVER)
svm_fifo_t **fifos;
u32 fifo_index;
+ /* For server, see if any segments can be removed */
sm = session_manager_get (app->session_manager_index);
/* Delete fifo */
{
stream_session_t *s;
+ /* App might've been removed already */
s = stream_session_get_if_valid (tc->s_index, tc->thread_index);
if (!s)
{
- clib_warning ("Surprised!");
return;
}
stream_session_delete (s);
return 0;
}
-void
+int
stream_session_open (u8 sst, ip46_address_t * addr, u16 port_host_byte_order,
u32 app_index)
{
transport_connection_t *tc;
u32 tci;
u64 value;
+ int rv;
/* Ask transport to open connection */
- tci = tp_vfts[sst].open (addr, port_host_byte_order);
+ rv = tp_vfts[sst].open (addr, port_host_byte_order);
+ if (rv < 0)
+ {
+ clib_warning ("Transport failed to open connection.");
+ return VNET_API_ERROR_SESSION_CONNECT_FAIL;
+ }
+
+ tci = rv;
/* Get transport connection */
tc = tp_vfts[sst].get_half_open (tci);
/* Add to the half-open lookup table */
stream_session_half_open_table_add (sst, tc, value);
+
+ return 0;
}
/**
}
static clib_error_t *
-session_manager_main_init (vlib_main_t * vm)
+session_manager_main_enable (vlib_main_t * vm)
{
- u32 num_threads;
- vlib_thread_main_t *vtm = vlib_get_thread_main ();
session_manager_main_t *smm = &session_manager_main;
+ vlib_thread_main_t *vtm = vlib_get_thread_main ();
+ u32 num_threads;
int i;
- smm->vlib_main = vm;
- smm->vnet_main = vnet_get_main ();
-
num_threads = 1 /* main thread */ + vtm->n_threads;
if (num_threads < 1)
for (i = 0; i < SESSION_N_TYPES; i++)
smm->connect_manager_index[i] = INVALID_INDEX;
+ smm->is_enabled = 1;
+
return 0;
}
-VLIB_INIT_FUNCTION (session_manager_main_init);
+clib_error_t *
+vnet_session_enable_disable (vlib_main_t * vm, u8 is_en)
+{
+ if (is_en)
+ {
+ if (session_manager_main.is_enabled)
+ return 0;
+
+ vlib_node_set_state (vm, session_queue_node.index,
+ VLIB_NODE_STATE_POLLING);
+
+ return session_manager_main_enable (vm);
+ }
+ else
+ {
+ session_manager_main.is_enabled = 0;
+ vlib_node_set_state (vm, session_queue_node.index,
+ VLIB_NODE_STATE_DISABLED);
+ }
+
+ return 0;
+}
+
+
+clib_error_t *
+session_manager_main_init (vlib_main_t * vm)
+{
+ session_manager_main_t *smm = &session_manager_main;
+
+ smm->vlib_main = vm;
+ smm->vnet_main = vnet_get_main ();
+ smm->is_enabled = 0;
+
+ return 0;
+}
+VLIB_INIT_FUNCTION (session_manager_main_init)
/*
* fd.io coding-style-patch-verification: ON
*
/** Per transport rx function that can either dequeue or peek */
session_fifo_rx_fn *session_rx_fns[SESSION_N_TYPES];
+ u8 is_enabled;
+
/* Convenience */
vlib_main_t *vlib_main;
vnet_main_t *vnet_main;
};
extern session_manager_main_t session_manager_main;
+extern vlib_node_registration_t session_queue_node;
/*
* Session manager function
ip6_address_t * rmt, u16 lcl_port,
u16 rmt_port, u8, u32 thread_index);
transport_connection_t
- * stream_session_lookup_transport4 (session_manager_main_t * smm,
- ip4_address_t * lcl,
+ * stream_session_lookup_transport4 (ip4_address_t * lcl,
ip4_address_t * rmt, u16 lcl_port,
u16 rmt_port, u8 proto,
u32 thread_index);
transport_connection_t
- * stream_session_lookup_transport6 (session_manager_main_t * smm,
- ip6_address_t * lcl,
+ * stream_session_lookup_transport6 (ip6_address_t * lcl,
ip6_address_t * rmt, u16 lcl_port,
u16 rmt_port, u8 proto,
u32 thread_index);
return svm_fifo_max_enqueue (s->server_rx_fifo);
}
+always_inline u32
+stream_session_fifo_size (transport_connection_t * tc)
+{
+ stream_session_t *s = stream_session_get (tc->s_index, tc->thread_index);
+ return s->server_rx_fifo->nitems;
+}
+
+
int
stream_session_enqueue_data (transport_connection_t * tc, u8 * data, u16 len,
u8 queue_event);
int
stream_session_accept (transport_connection_t * tc, u32 listener_index,
u8 sst, u8 notify);
-void stream_session_open (u8 sst, ip46_address_t * addr,
- u16 port_host_byte_order, u32 api_client_index);
+int stream_session_open (u8 sst, ip46_address_t * addr,
+ u16 port_host_byte_order, u32 api_client_index);
void stream_session_disconnect (stream_session_t * s);
void stream_session_cleanup (stream_session_t * s);
int
void session_register_transport (u8 type, const transport_proto_vft_t * vft);
transport_proto_vft_t *session_get_transport_vft (u8 type);
+clib_error_t *vnet_session_enable_disable (vlib_main_t * vm, u8 is_en);
+
#endif /* __included_session_h__ */
/*
_(DISCONNECT_SOCK_REPLY, disconnect_sock_reply) \
_(ACCEPT_SOCK_REPLY, accept_sock_reply) \
_(RESET_SOCK_REPLY, reset_sock_reply) \
+_(SESSION_ENABLE_DISABLE, session_enable_disable) \
+
static int
send_add_segment_callback (u32 api_client_index, const u8 * segment_name,
mp = vl_msg_api_alloc (sizeof (*mp));
mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_CONNECT_URI_REPLY);
mp->context = app->api_context;
- mp->retval = is_fail;
if (!is_fail)
{
vpp_queue = session_manager_get_vpp_event_queue (s->thread_index);
mp->session_type = s->session_type;
mp->vpp_event_queue_address = (u64) vpp_queue;
mp->client_event_queue_address = (u64) app->event_queue;
+ mp->retval = 0;
session_manager_get_segment_info (s->server_segment_index, &seg_name,
&mp->segment_size);
if (mp->segment_name_length)
clib_memcpy (mp->segment_name, seg_name, mp->segment_name_length);
}
+ else
+ {
+ mp->retval = VNET_API_ERROR_SESSION_CONNECT_FAIL;
+ }
vl_msg_api_send_shmem (q, (u8 *) & mp);
/* Remove client if connect failed */
if (is_fail)
- application_del (app);
+ {
+ application_del (app);
+ }
+ else
+ {
+ s->session_state = SESSION_STATE_READY;
+ }
return 0;
}
return 0;
}
+static void
+vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
+{
+ vl_api_session_enable_disable_reply_t *rmp;
+ vlib_main_t *vm = vlib_get_main ();
+ int rv = 0;
+
+ vnet_session_enable_disable (vm, mp->is_enable);
+ REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
+}
+
static void
vl_api_bind_uri_t_handler (vl_api_bind_uri_t * mp)
{
}
}));
/* *INDENT-ON* */
-
}
static void
static void
vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp)
{
+ vl_api_connect_uri_reply_t *rmp;
vnet_connect_args_t _a, *a = &_a;
+ int rv;
a->uri = (char *) mp->uri;
a->api_client_index = mp->client_index;
a->options = mp->options;
a->session_cb_vft = &uri_session_cb_vft;
a->mp = mp;
- vnet_connect_uri (a);
+
+ rv = vnet_connect_uri (a);
+
+ if (rv == 0 || rv == VNET_CONNECT_REDIRECTED)
+ return;
+
+ /* Got some error, relay it */
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2 (VL_API_CONNECT_URI_REPLY, ({
+ rmp->retval = rv;
+ }));
+ /* *INDENT-ON* */
}
static void
static void
vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp)
{
+ vl_api_connect_sock_reply_t *rmp;
vnet_connect_args_t _a, *a = &_a;
+ int rv;
clib_memcpy (&a->tep.ip, mp->ip,
(mp->is_ip4 ? sizeof (ip4_address_t) :
a->api_context = mp->context;
a->mp = mp;
- vnet_connect (a);
+ rv = vnet_connect (a);
+
+ if (rv == 0 || rv == VNET_CONNECT_REDIRECTED)
+ return;
+
+ /* Got some error, relay it */
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2 (VL_API_CONNECT_URI_REPLY, ({
+ rmp->retval = rv;
+ }));
+ /* *INDENT-ON* */
}
static void
}
else
{
- clib_warning ("Session in unknown state!");
+ clib_warning ("Session in state: %d!", ss->session_state);
}
vec_free (str);
stream_session_t *s;
u8 *str = 0;
+ if (!smm->is_enabled)
+ {
+ clib_error_return (0, "session layer is not enabled");
+ }
+
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "verbose"))
return 0;
}
-VLIB_CLI_COMMAND (show_uri_command, static) =
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_session_command, static) =
{
-.path = "show session",.short_help = "show session [verbose]",.function =
- show_session_command_fn,};
-
+ .path = "show session",
+ .short_help = "show session [verbose]",
+ .function = show_session_command_fn,
+};
+/* *INDENT-ON* */
static clib_error_t *
clear_session_command_fn (vlib_main_t * vm, unformat_input_t * input,
stream_session_t *pool, *session;
application_t *server;
+ if (!smm->is_enabled)
+ {
+ clib_error_return (0, "session layer is not enabled");
+ }
+
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "thread %d", &thread_index))
return 0;
}
-VLIB_CLI_COMMAND (clear_uri_session_command, static) =
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (clear_session_command, static) =
+{
+ .path = "clear session",
+ .short_help = "clear session thread <thread> session <index>",
+ .function = clear_session_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+session_enable_disable_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ u8 is_en = 1;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "enable"))
+ is_en = 1;
+ else if (unformat (input, "disable"))
+ is_en = 0;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ return vnet_session_enable_disable (vm, is_en);
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (session_enable_disable_command, static) =
{
-.path = "clear session",.short_help =
- "clear session thread <thread> session <index>",.function =
- clear_session_command_fn,};
+ .path = "session",
+ .short_help = "session [enable|disable]",
+ .function = session_enable_disable_fn,
+};
+/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
--- /dev/null
+/*
+* Copyright (c) 2015-2017 Cisco and/or its affiliates.
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at:
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include <vnet/vnet.h>
+#include <vlibmemory/api.h>
+#include <vnet/session/application.h>
+#include <vnet/session/application_interface.h>
+
+int
+builtin_session_accept_callback (stream_session_t * s)
+{
+ clib_warning ("called...");
+ s->session_state = SESSION_STATE_READY;
+ return 0;
+}
+
+void
+builtin_session_disconnect_callback (stream_session_t * s)
+{
+ clib_warning ("called...");
+}
+
+int
+builtin_session_connected_callback (u32 client_index,
+ stream_session_t * s, u8 is_fail)
+{
+ clib_warning ("called...");
+ return -1;
+}
+
+int
+builtin_add_segment_callback (u32 client_index,
+ const u8 * seg_name, u32 seg_size)
+{
+ clib_warning ("called...");
+ return -1;
+}
+
+int
+builtin_redirect_connect_callback (u32 client_index, void *mp)
+{
+ clib_warning ("called...");
+ return -1;
+}
+
+int
+builtin_server_rx_callback (stream_session_t * s)
+{
+ clib_warning ("called...");
+ return 0;
+}
+
+static session_cb_vft_t builtin_session_cb_vft = {
+ .session_accept_callback = builtin_session_accept_callback,
+ .session_disconnect_callback = builtin_session_disconnect_callback,
+ .session_connected_callback = builtin_session_connected_callback,
+ .add_segment_callback = builtin_add_segment_callback,
+ .redirect_connect_callback = builtin_redirect_connect_callback,
+ .builtin_server_rx_callback = builtin_server_rx_callback
+};
+
+static int
+server_create (vlib_main_t * vm)
+{
+ vnet_bind_args_t _a, *a = &_a;
+ u64 options[SESSION_OPTIONS_N_OPTIONS];
+ char segment_name[128];
+
+ memset (a, 0, sizeof (*a));
+ memset (options, 0, sizeof (options));
+
+ a->uri = "tcp://0.0.0.0/80";
+ a->api_client_index = ~0;
+ a->session_cb_vft = &builtin_session_cb_vft;
+ a->options = options;
+ a->options[SESSION_OPTIONS_SEGMENT_SIZE] = 256 << 10;
+ a->options[SESSION_OPTIONS_RX_FIFO_SIZE] = 64 << 10;
+ a->options[SESSION_OPTIONS_TX_FIFO_SIZE] = 64 << 10;
+ a->segment_name = segment_name;
+ a->segment_name_length = ARRAY_LEN (segment_name);
+
+ return vnet_bind_uri (a);
+}
+
+static clib_error_t *
+server_create_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ int rv;
+#if 0
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "whatever %d", &whatever))
+ ;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+#endif
+
+ rv = server_create (vm);
+ switch (rv)
+ {
+ case 0:
+ break;
+ default:
+ return clib_error_return (0, "server_create returned %d", rv);
+ }
+ return 0;
+}
+
+VLIB_CLI_COMMAND (server_create_command, static) =
+{
+.path = "test server",.short_help = "test server",.function =
+ server_create_command_fn,};
+
+/*
+* fd.io coding-style-patch-verification: ON
+*
+* Local Variables:
+* eval: (c-set-style "gnu")
+* End:
+*/
return 0;
}
+#define PORT_MASK ((1 << 16)- 1)
/**
* Allocate local port and add if successful add entry to local endpoint
* table to mark the pair as used.
u16
tcp_allocate_local_port (tcp_main_t * tm, ip46_address_t * ip)
{
- u8 unique = 0;
transport_endpoint_t *tep;
u32 time_now, tei;
u16 min = 1024, max = 65535, tries; /* XXX configurable ? */
/* Start at random point or max */
pool_get (tm->local_endpoints, tep);
clib_memcpy (&tep->ip, ip, sizeof (*ip));
- tep->port = random_u32 (&time_now) << 16;
- tep->port = tep->port < min ? max : tep->port;
/* Search for first free slot */
- while (tries)
+ for (; tries >= 0; tries--)
{
+ u16 port = 0;
+
+ /* Find a port in the specified range */
+ while (1)
+ {
+ port = random_u32 (&time_now) & PORT_MASK;
+ if (PREDICT_TRUE (port >= min && port < max))
+ break;
+ }
+
+ tep->port = port;
+
+ /* Look it up */
tei = transport_endpoint_lookup (&tm->local_endpoints_table, &tep->ip,
tep->port);
+ /* If not found, we're done */
if (tei == TRANSPORT_ENDPOINT_INVALID_INDEX)
{
- unique = 1;
- break;
+ transport_endpoint_table_add (&tm->local_endpoints_table, tep,
+ tep - tm->local_endpoints);
+ return tep->port;
}
-
- tep->port--;
-
- if (tep->port < min)
- tep->port = max;
-
- tries--;
}
-
- if (unique)
- {
- transport_endpoint_table_add (&tm->local_endpoints_table, tep,
- tep - tm->local_endpoints);
-
- return tep->port;
- }
-
- /* Failed */
+ /* No free ports */
pool_put (tm->local_endpoints, tep);
return -1;
}
/* Allocate source port */
lcl_port = tcp_allocate_local_port (tm, &lcl_addr);
if (lcl_port < 1)
- return -1;
+ {
+ clib_warning ("Failed to allocate src port");
+ return -1;
+ }
/*
* Create connection and send SYN
#define TCP_MAX_OPTION_SPACE 40
#define TCP_DUPACK_THRESHOLD 3
-#define TCP_DEFAULT_RX_FIFO_SIZE 64 << 10
+#define TCP_MAX_RX_FIFO_SIZE 2 << 20
+#define TCP_IW_N_SEGMENTS 10
/** TCP FSM state definitions as per RFC793. */
#define foreach_tcp_fsm_state \
/**
* Push TCP header to buffer
*
- * @param vm - vlib_main
* @param b - buffer to write the header to
* @param sp_net - source port net order
* @param dp_net - destination port net order
if (tcp_opts_sack_permitted (&tc->opt))
tcp_rcv_sacks (tc, vnet_buffer (b)->tcp.ack_number);
- new_snd_wnd = clib_net_to_host_u32 (th->window) << tc->snd_wscale;
+ new_snd_wnd = clib_net_to_host_u16 (th->window) << tc->snd_wscale;
if (tcp_ack_is_dupack (tc, b, new_snd_wnd))
{
/* Parse options */
tcp_options_parse (tcp0, &new_tc0->opt);
- tcp_connection_init_vars (new_tc0);
if (tcp_opts_tstamp (&new_tc0->opt))
{
if (tcp_opts_wscale (&new_tc0->opt))
new_tc0->snd_wscale = new_tc0->opt.wscale;
- new_tc0->snd_wnd = clib_net_to_host_u32 (tcp0->window)
- << new_tc0->snd_wscale;
+ /* No scaling */
+ new_tc0->snd_wnd = clib_net_to_host_u16 (tcp0->window);
new_tc0->snd_wl1 = seq0;
new_tc0->snd_wl2 = ack0;
+ tcp_connection_init_vars (new_tc0);
+
/* SYN-ACK: See if we can switch to ESTABLISHED state */
if (tcp_ack (tcp0))
{
new_tc0->snd_una = ack0;
new_tc0->state = TCP_STATE_ESTABLISHED;
+ /* Make sure las is initialized for the wnd computation */
+ new_tc0->rcv_las = new_tc0->rcv_nxt;
+
/* Notify app that we have connection */
stream_session_connect_notify (&new_tc0->connection, sst, 0);
/* Initialize session variables */
tc0->snd_una = vnet_buffer (b0)->tcp.ack_number;
- tc0->snd_wnd = clib_net_to_host_u32 (tcp0->window)
+ tc0->snd_wnd = clib_net_to_host_u16 (tcp0->window)
<< tc0->opt.wscale;
tc0->snd_wl1 = vnet_buffer (b0)->tcp.seq_number;
tc0->snd_wl2 = vnet_buffer (b0)->tcp.ack_number;
}
tcp_options_parse (th0, &child0->opt);
- tcp_connection_init_vars (child0);
child0->irs = vnet_buffer (b0)->tcp.seq_number;
child0->rcv_nxt = vnet_buffer (b0)->tcp.seq_number + 1;
child0->tsval_recent_age = tcp_time_now ();
}
+ if (tcp_opts_wscale (&child0->opt))
+ child0->snd_wscale = child0->opt.wscale;
+
+ /* No scaling */
+ child0->snd_wnd = clib_net_to_host_u16 (th0->window);
+ child0->snd_wl1 = vnet_buffer (b0)->tcp.seq_number;
+ child0->snd_wl2 = vnet_buffer (b0)->tcp.ack_number;
+
+ tcp_connection_init_vars (child0);
+
/* Reuse buffer to make syn-ack and send */
tcp_make_synack (child0, b0);
next0 = tcp_next_output (is_ip4);
}
- b0->error = error0 ? node->errors[error0] : 0;
+ b0->error = node->errors[error0];
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, bi0, next0);
u32 n_left_from, next_index, *from, *to_next;
u32 my_thread_index = vm->cpu_index;
tcp_main_t *tm = vnet_get_tcp_main ();
- session_manager_main_t *ssm = vnet_get_session_manager_main ();
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
/* lookup session */
tc0 =
- (tcp_connection_t *) stream_session_lookup_transport4 (ssm,
- &ip40->dst_address,
- &ip40->src_address,
- tcp0->dst_port,
- tcp0->src_port,
- SESSION_TYPE_IP4_TCP,
- my_thread_index);
+ (tcp_connection_t *)
+ stream_session_lookup_transport4 (&ip40->dst_address,
+ &ip40->src_address,
+ tcp0->dst_port,
+ tcp0->src_port,
+ SESSION_TYPE_IP4_TCP,
+ my_thread_index);
}
else
{
ip60 = vlib_buffer_get_current (b0);
tcp0 = ip6_next_header (ip60);
tc0 =
- (tcp_connection_t *) stream_session_lookup_transport6 (ssm,
- &ip60->src_address,
- &ip60->dst_address,
- tcp0->src_port,
- tcp0->dst_port,
- SESSION_TYPE_IP6_TCP,
- my_thread_index);
+ (tcp_connection_t *)
+ stream_session_lookup_transport6 (&ip60->src_address,
+ &ip60->dst_address,
+ tcp0->src_port,
+ tcp0->dst_port,
+ SESSION_TYPE_IP6_TCP,
+ my_thread_index);
}
/* Session exists */
return wnd_scale;
}
+/**
+ * TCP's IW as recommended by RFC6928
+ */
+always_inline u32
+tcp_initial_wnd_unscaled (tcp_connection_t * tc)
+{
+ return TCP_IW_N_SEGMENTS * dummy_mtu;
+}
+
/**
* Compute initial window and scale factor. As per RFC1323, window field in
* SYN and SYN-ACK segments is never scaled.
u32
tcp_initial_window_to_advertise (tcp_connection_t * tc)
{
- u32 available_space;
+ u32 max_fifo;
/* Initial wnd for SYN. Fifos are not allocated yet.
- * Use some predefined value */
- if (tc->state != TCP_STATE_SYN_RCVD)
- {
- return TCP_DEFAULT_RX_FIFO_SIZE;
- }
+ * Use some predefined value. For SYN-ACK we still want the
+ * scale to be computed in the same way */
+ max_fifo = TCP_MAX_RX_FIFO_SIZE;
- available_space = stream_session_max_enqueue (&tc->connection);
- tc->rcv_wscale = tcp_window_compute_scale (available_space);
- tc->rcv_wnd = clib_min (available_space, TCP_WND_MAX << tc->rcv_wscale);
+ tc->rcv_wscale = tcp_window_compute_scale (max_fifo);
+ tc->rcv_wnd = tcp_initial_wnd_unscaled (tc);
return clib_min (tc->rcv_wnd, TCP_WND_MAX);
}
u32
tcp_window_to_advertise (tcp_connection_t * tc, tcp_state_t state)
{
- u32 available_space, wnd, scaled_space;
+ u32 available_space, max_fifo, observed_wnd;
- if (state != TCP_STATE_ESTABLISHED)
+ if (state < TCP_STATE_ESTABLISHED)
return tcp_initial_window_to_advertise (tc);
+ /*
+ * Figure out how much space we have available
+ */
available_space = stream_session_max_enqueue (&tc->connection);
- scaled_space = available_space >> tc->rcv_wscale;
+ max_fifo = stream_session_fifo_size (&tc->connection);
+
+ ASSERT (tc->opt.mss < max_fifo);
+
+ if (available_space < tc->opt.mss && available_space < max_fifo / 8)
+ available_space = 0;
- /* Need to update scale */
- if (PREDICT_FALSE ((scaled_space == 0 && available_space != 0))
- || (scaled_space >= TCP_WND_MAX))
- tc->rcv_wscale = tcp_window_compute_scale (available_space);
+ /*
+ * Use the above and what we know about what we've previously advertised
+ * to compute the new window
+ */
+ observed_wnd = tc->rcv_wnd - (tc->rcv_nxt - tc->rcv_las);
- wnd = clib_min (available_space, TCP_WND_MAX << tc->rcv_wscale);
- tc->rcv_wnd = wnd;
+ /* Bad. Thou shalt not shrink */
+ if (available_space < observed_wnd)
+ {
+ if (available_space == 0)
+ clib_warning ("Didn't shrink rcv window despite not having space");
+ }
+
+ tc->rcv_wnd = clib_min (available_space, TCP_WND_MAX << tc->rcv_wscale);
+
+ if (tc->rcv_wnd == 0)
+ {
+ tc->flags |= TCP_CONN_SENT_RCV_WND0;
+ }
- return wnd >> tc->rcv_wscale;
+ return tc->rcv_wnd >> tc->rcv_wscale;
}
/**
}
always_inline int
-tcp_make_syn_options (tcp_options_t * opts, u32 initial_wnd)
+tcp_make_syn_options (tcp_options_t * opts, u8 wnd_scale)
{
u8 len = 0;
len += TCP_OPTION_LEN_MSS;
opts->flags |= TCP_OPTS_FLAG_WSCALE;
- opts->wscale = tcp_window_compute_scale (initial_wnd);
+ opts->wscale = wnd_scale;
len += TCP_OPTION_LEN_WINDOW_SCALE;
opts->flags |= TCP_OPTS_FLAG_TSTAMP;
case TCP_STATE_SYN_RCVD:
return tcp_make_synack_options (tc, opts);
case TCP_STATE_SYN_SENT:
- return tcp_make_syn_options (opts,
- tcp_initial_window_to_advertise (tc));
+ return tcp_make_syn_options (opts, tc->rcv_wscale);
default:
clib_warning ("Not handled!");
return 0;
/* Make and write options */
memset (&snd_opts, 0, sizeof (snd_opts));
- tcp_opts_len = tcp_make_syn_options (&snd_opts, initial_wnd);
+ tcp_opts_len = tcp_make_syn_options (&snd_opts, tc->rcv_wscale);
tcp_hdr_opts_len = tcp_opts_len + sizeof (tcp_header_t);
th = vlib_buffer_push_tcp (b, tc->c_lcl_port, tc->c_rmt_port, tc->iss,
tcp_reuse_buffer (vm, b);
- ASSERT (tc->state == TCP_STATE_ESTABLISHED);
+ ASSERT (tc->state >= TCP_STATE_ESTABLISHED);
ASSERT (max_bytes != 0);
if (tcp_opts_sack_permitted (&tc->opt))
max_bytes);
ASSERT (n_bytes != 0);
- tc->snd_nxt += n_bytes;
tcp_push_hdr_i (tc, b, tc->state);
return n_bytes;
tcp_get_free_buffer_index (tm, &bi);
b = vlib_get_buffer (vm, bi);
- if (tc->state == TCP_STATE_ESTABLISHED)
+ if (tc->state >= TCP_STATE_ESTABLISHED)
{
tcp_fastrecovery_off (tc);
/* Figure out what and how many bytes we can send */
snd_space = tcp_available_snd_space (tc);
max_bytes = clib_min (tc->snd_mss, snd_space);
+
+ if (max_bytes == 0)
+ {
+ clib_warning ("no wnd to retransmit");
+ return;
+ }
tcp_prepare_retransmit_segment (tc, b, max_bytes);
tc->rtx_bytes += max_bytes;
tc->rto = clib_min (tc->rto << 1, TCP_RTO_MAX);
vlib_buffer_make_headroom (b, MAX_HDRS_LEN);
+
tcp_push_hdr_i (tc, b, tc->state);
+
+ /* Account for the SYN */
+ tc->snd_nxt += 1;
}
if (!is_syn)
if (PREDICT_FALSE
(vnet_buffer (b0)->tcp.flags & TCP_BUF_FLAG_DUPACK))
{
+ ASSERT (tc0->snt_dupacks > 0);
tc0->snt_dupacks--;
- ASSERT (tc0->snt_dupacks >= 0);
if (!tcp_session_has_ooo_data (tc0))
{
error0 = TCP_ERROR_FILTERED_DUPACKS;
Code Review / vpp.git / commitdiff