FD.io VPP  v17.07-30-g839fa73
Vector Packet Processing
test.c
Go to the documentation of this file.
1 /*
2  *------------------------------------------------------------------
3  * test.c
4  *
5  * Copyright (c) 2016 Cisco and/or its affiliates.
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at:
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  *------------------------------------------------------------------
18  */
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <sys/types.h>
22 #include <sys/socket.h>
23 #include <sys/mman.h>
24 #include <sys/stat.h>
25 #include <netinet/in.h>
26 #include <netdb.h>
27 
28 #include <time.h> /* time_t, time (for timestamp in second) */
29 #include <sys/timeb.h> /* ftime, timeb (for timestamp in millisecond) */
30 #include <sys/time.h> /* gettimeofday, timeval (for timestamp in microsecond) */
31 
32 #include <vnet/vnet.h>
33 #include <vlib/vlib.h>
34 #include <vlib/unix/unix.h>
35 #include <vlibapi/api.h>
36 
37 #include <vpp/api/vpe_msg_enum.h>
38 #include <signal.h>
39 #include "vppapiclient.h"
40 
41 #define vl_typedefs /* define message structures */
42 #include <vpp/api/vpe_all_api_h.h>
43 #undef vl_typedefs
44 
45 /* we are not linking with vlib */
48 
49 volatile int sigterm_received = 0;
50 volatile u32 result_ready;
51 volatile u16 result_msg_id;
52 
53 /* M_NOALLOC: construct, but don't yet send a message */
54 
55 #define M_NOALLOC(T,t) \
56  do { \
57  result_ready = 0; \
58  memset (mp, 0, sizeof (*mp)); \
59  mp->_vl_msg_id = ntohs (VL_API_##T); \
60  mp->client_index = am->my_client_index; \
61  } while(0);
62 
63 
64 
65 int
66 wrap_vac_callback (char *data, int len)
67 {
68  //printf("Callback %d\n", len);
69  result_ready = 1;
70  result_msg_id = ntohs(*((u16 *)data));
71  return (0);
72 }
73 
74 int main (int argc, char ** argv)
75 {
76  api_main_t * am = &api_main;
77  vl_api_show_version_t message;
79  int async = 1;
80  int rv = vac_connect("vac_client", NULL, NULL, 32 /* rx queue-length*/);
81 
82  if (rv != 0) {
83  printf("Connect failed: %d\n", rv);
84  exit(rv);
85  }
86 
87  struct timeb timer_msec;
88  long long int timestamp_msec_start; /* timestamp in millisecond. */
89  if (!ftime(&timer_msec)) {
90  timestamp_msec_start = ((long long int) timer_msec.time) * 1000ll +
91  (long long int) timer_msec.millitm;
92  }
93  else {
94  timestamp_msec_start = -1;
95  }
96 
97 
98  /*
99  * Test vpe_api_write and vpe_api_read to send and recv message for an
100  * API
101  */
102  int i;
103  long int no_msgs = 10000;
104  mp = &message;
105 
106  for (i = 0; i < no_msgs; i++) {
107  /* Construct the API message */
108  M_NOALLOC(SHOW_VERSION, show_version);
109  vac_write((char *)mp, sizeof(*mp));
110 #ifndef __COVERITY__
111  /* As given, async is always 1. Shut up Coverity about it */
112  if (!async)
113  while (result_ready == 0);
114 #endif
115  }
116  if (async) {
117  vl_api_control_ping_t control;
119  mp = &control;
120  M_NOALLOC(CONTROL_PING, control_ping);
121  vac_write((char *)mp, sizeof(*mp));
122 
123  while (result_msg_id != VL_API_CONTROL_PING_REPLY);
124  }
125 
126  long long int timestamp_msec_end; /* timestamp in millisecond. */
127  if (!ftime(&timer_msec)) {
128  timestamp_msec_end = ((long long int) timer_msec.time) * 1000ll +
129  (long long int) timer_msec.millitm;
130  }
131  else {
132  timestamp_msec_end = -1;
133  }
134 
135  printf("Took %lld msec, %lld msgs/msec \n", (timestamp_msec_end - timestamp_msec_start),
136  no_msgs/(timestamp_msec_end - timestamp_msec_start));
137  printf("Exiting...\n");
138  vac_disconnect();
139  exit (0);
140 }
int main()
Definition: test.c:201
#define M_NOALLOC(T, t)
Definition: test.c:55
sll srl srl sll sra u16x4 i
Definition: vector_sse2.h:337
Control ping from client to api server request.
Definition: vpe.api:374
#define NULL
Definition: clib.h:55
int vac_write(char *p, int l)
Definition: client.c:441
int wrap_vac_callback(char *data, int len)
Definition: test.c:66
volatile u16 result_msg_id
Definition: test.c:51
volatile u32 result_ready
Definition: test.c:50
int vac_connect(char *name, char *chroot_prefix, vac_callback_t cb, int rx_qlen)
Definition: client.c:260
int vac_disconnect(void)
Definition: client.c:307
api_main_t api_main
Definition: api_shared.c:35
unsigned int u32
Definition: types.h:88
show version
Definition: vpe.api:663
unsigned short u16
Definition: types.h:57
vlib_main_t ** vlib_mains
Definition: test.c:47
volatile int sigterm_received
Definition: test.c:49
vlib_main_t vlib_global_main
Definition: test.c:46