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diff --git a/src/vpp-api/python/pneum/test_pneum.c b/src/vpp-api/python/pneum/test_pneum.c
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+/*
+ *------------------------------------------------------------------
+ * test_pneum.c
+ *
+ * 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 <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <netinet/in.h>
+#include <netdb.h>
+
+#include <time.h> /* time_t, time (for timestamp in second) */
+#include <sys/timeb.h> /* ftime, timeb (for timestamp in millisecond) */
+#include <sys/time.h> /* gettimeofday, timeval (for timestamp in microsecond) */
+
+#include <vnet/vnet.h>
+#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vnet/ip/ip.h>
+
+#include <vpp/api/vpe_msg_enum.h>
+#include <signal.h>
+#include <setjmp.h>
+#include "pneum.h"
+
+#define vl_typedefs /* define message structures */
+#include <vpp/api/vpe_all_api_h.h>
+#undef vl_typedefs
+
+/* we are not linking with vlib */
+vlib_main_t vlib_global_main;
+vlib_main_t **vlib_mains;
+
+volatile int sigterm_received = 0;
+volatile u32 result_ready;
+volatile u16 result_msg_id;
+
+/* M_NOALLOC: construct, but don't yet send a message */
+
+#define M_NOALLOC(T,t) \
+ do { \
+ result_ready = 0; \
+ memset (mp, 0, sizeof (*mp)); \
+ mp->_vl_msg_id = ntohs (VL_API_##T); \
+ mp->client_index = am->my_client_index; \
+ } while(0);
+
+
+
+int
+wrap_pneum_callback (char *data, int len)
+{
+ //printf("Callback %d\n", len);
+ result_ready = 1;
+ result_msg_id = ntohs(*((u16 *)data));
+ return (0);
+}
+
+int main (int argc, char ** argv)
+{
+ api_main_t * am = &api_main;
+ vl_api_show_version_t message;
+ vl_api_show_version_t *mp;
+ int async = 1;
+ int rv = pneum_connect("pneum_client", NULL, NULL);
+
+ if (rv != 0) {
+ printf("Connect failed: %d\n", rv);
+ exit(rv);
+ }
+
+ struct timeb timer_msec;
+ long long int timestamp_msec_start; /* timestamp in millisecond. */
+ if (!ftime(&timer_msec)) {
+ timestamp_msec_start = ((long long int) timer_msec.time) * 1000ll +
+ (long long int) timer_msec.millitm;
+ }
+ else {
+ timestamp_msec_start = -1;
+ }
+
+
+ /*
+ * Test vpe_api_write and vpe_api_read to send and recv message for an
+ * API
+ */
+ int i;
+ long int no_msgs = 10000;
+ mp = &message;
+
+ for (i = 0; i < no_msgs; i++) {
+ /* Construct the API message */
+ M_NOALLOC(SHOW_VERSION, show_version);
+ pneum_write((char *)mp, sizeof(*mp));
+#ifndef __COVERITY__
+ /* As given, async is always 1. Shut up Coverity about it */
+ if (!async)
+ while (result_ready == 0);
+#endif
+ }
+ if (async) {
+ vl_api_control_ping_t control;
+ vl_api_control_ping_t *mp;
+ mp = &control;
+ M_NOALLOC(CONTROL_PING, control_ping);
+ pneum_write((char *)mp, sizeof(*mp));
+
+ while (result_msg_id != VL_API_CONTROL_PING_REPLY);
+ }
+
+ long long int timestamp_msec_end; /* timestamp in millisecond. */
+ if (!ftime(&timer_msec)) {
+ timestamp_msec_end = ((long long int) timer_msec.time) * 1000ll +
+ (long long int) timer_msec.millitm;
+ }
+ else {
+ timestamp_msec_end = -1;
+ }
+
+ printf("Took %lld msec, %lld msgs/msec \n", (timestamp_msec_end - timestamp_msec_start),
+ no_msgs/(timestamp_msec_end - timestamp_msec_start));
+ fformat(stdout, "Exiting...\n");
+ pneum_disconnect();
+ exit (0);
+}