+++ /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:
- */
Code Review / vpp.git / blobdiff