+++ /dev/null
-/*
- *------------------------------------------------------------------
- * api.c - message handler registration
- *
- * Copyright (c) 2010 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 <stdlib.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <netinet/in.h>
-#include <signal.h>
-#include <pthread.h>
-#include <unistd.h>
-#include <time.h>
-#include <fcntl.h>
-#include <string.h>
-#include <vppinfra/clib.h>
-#include <vppinfra/vec.h>
-#include <vppinfra/hash.h>
-#include <vppinfra/bitmap.h>
-#include <vppinfra/fifo.h>
-#include <vppinfra/time.h>
-#include <vppinfra/heap.h>
-#include <vppinfra/pool.h>
-#include <vppinfra/format.h>
-#include <vppinfra/error.h>
-
-#include <vnet/vnet.h>
-#include <vlib/vlib.h>
-#include <vlib/unix/unix.h>
-#include <vlibapi/api.h>
-#include <vlibmemory/api.h>
-#include <svm/svm.h>
-#include <svm/svmdb.h>
-
-#include <vpp/api/vpe_msg_enum.h>
-
-#include <vnet/ip/ip.h>
-
-#define f64_endian(a)
-#define f64_print(a,b)
-
-#define vl_typedefs /* define message structures */
-#include <vpp/api/vpe_all_api_h.h>
-#undef vl_typedefs
-
-#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
-
-vl_shmem_hdr_t *shmem_hdr;
-
-typedef struct
-{
- u32 pings_sent;
- u32 pings_replied;
- volatile u32 signal_received;
-
- /* convenience */
- svm_queue_t *vl_input_queue;
- u32 my_client_index;
- svmdb_client_t *svmdb_client;
-} test_main_t;
-
-test_main_t test_main;
-
-static void vl_api_control_ping_reply_t_handler
- (vl_api_control_ping_reply_t * mp)
-{
- test_main_t *tm = &test_main;
-
- fformat (stdout, "control ping reply from pid %d\n", ntohl (mp->vpe_pid));
- tm->pings_replied++;
-}
-
-void
-vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...)
-{
- clib_warning ("BUG: vlib_cli_output called...");
-}
-
-#define foreach_api_msg \
-_(CONTROL_PING_REPLY,control_ping_reply)
-
-void
-ping (test_main_t * tm)
-{
- vl_api_control_ping_t *mp;
-
- mp = vl_msg_api_alloc (sizeof (*mp));
- clib_memset (mp, 0, sizeof (*mp));
- mp->_vl_msg_id = ntohs (VL_API_CONTROL_PING);
- mp->client_index = tm->my_client_index;
- mp->context = 0xdeadbeef;
-
- vl_msg_api_send_shmem (tm->vl_input_queue, (u8 *) & mp);
-}
-
-static void
-noop_handler (void *notused)
-{
-}
-
-int
-connect_to_vpe (char *name)
-{
- int rv = 0;
- test_main_t *tm = &test_main;
- api_main_t *am = vlibapi_get_main ();
-
- rv = vl_client_connect_to_vlib ("/vpe-api", name, 32);
- if (rv < 0)
- return rv;
-
-#define _(N,n) \
- vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
- noop_handler, \
- vl_api_##n##_t_endian, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 1);
- foreach_api_msg;
-#undef _
-
- shmem_hdr = api_main.shmem_hdr;
- tm->vl_input_queue = shmem_hdr->vl_input_queue;
- tm->my_client_index = am->my_client_index;
- return 0;
-}
-
-int
-disconnect_from_vpe (void)
-{
- vl_client_disconnect_from_vlib ();
-
- return 0;
-}
-
-void
-signal_handler (int signo)
-{
- test_main_t *tm = &test_main;
-
- tm->signal_received = 1;
-}
-
-
-int
-main (int argc, char **argv)
-{
- test_main_t *tm = &test_main;
- api_main_t *am = vlibapi_get_main ();
- u32 swt_pid = 0;
- int connected = 0;
-
- signal (SIGINT, signal_handler);
-
- while (1)
- {
- if (tm->signal_received)
- break;
-
- if (am->shmem_hdr)
- swt_pid = am->shmem_hdr->vl_pid;
-
- /* If kill returns 0, the vpe-f process is alive */
- if (kill (swt_pid, 0) == 0)
- {
- /* Try to connect */
- if (connected == 0)
- {
- fformat (stdout, "Connect to VPE-f\n");
- if (connect_to_vpe ("test_ha_client") >= 0)
- {
- tm->pings_sent = 0;
- tm->pings_replied = 0;
- connected = 1;
- }
- else
- {
- fformat (stdout, "Connect failed, sleep and retry...\n");
- sleep (1);
- continue;
- }
- }
- tm->pings_sent++;
- ping (tm);
-
- sleep (1);
-
- /* havent heard back in 3 seconds, disco / reco */
- if ((tm->pings_replied + 3) <= tm->pings_sent)
- {
- fformat (stdout, "VPE-f pid %d not responding\n", swt_pid);
- swt_pid = 0;
- disconnect_from_vpe ();
- connected = 0;
- }
- }
- else
- {
- if (connected)
- {
- fformat (stdout, "VPE-f pid %d died\n", swt_pid);
- swt_pid = 0;
- disconnect_from_vpe ();
- connected = 0;
- }
- sleep (1);
- }
- }
-
- fformat (stdout, "Signal received, graceful exit\n");
- disconnect_from_vpe ();
- exit (0);
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff