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-rw-r--r--src/plugins/hs_apps/vcl/vcl_test_client.c1097
1 files changed, 1097 insertions, 0 deletions
diff --git a/src/plugins/hs_apps/vcl/vcl_test_client.c b/src/plugins/hs_apps/vcl/vcl_test_client.c
new file mode 100644
index 00000000000..1ead146aef5
--- /dev/null
+++ b/src/plugins/hs_apps/vcl/vcl_test_client.c
@@ -0,0 +1,1097 @@
+/*
+ * Copyright (c) 2017-2019 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 <unistd.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#include <time.h>
+#include <arpa/inet.h>
+#include <hs_apps/vcl/vcl_test.h>
+#include <pthread.h>
+
+typedef struct
+{
+ vcl_test_session_t *sessions;
+ uint32_t n_sessions;
+ uint32_t wrk_index;
+ fd_set wr_fdset;
+ fd_set rd_fdset;
+ int max_fd_index;
+ pthread_t thread_handle;
+ vcl_test_cfg_t cfg;
+} vcl_test_client_worker_t;
+
+typedef struct
+{
+ vcl_test_client_worker_t *workers;
+ vppcom_endpt_t server_endpt;
+ uint32_t cfg_seq_num;
+ vcl_test_session_t ctrl_session;
+ vcl_test_session_t *sessions;
+ uint8_t dump_cfg;
+ vcl_test_t post_test;
+ uint32_t proto;
+ uint32_t n_workers;
+ volatile int active_workers;
+ struct sockaddr_storage server_addr;
+} vcl_test_client_main_t;
+
+static __thread int __wrk_index = 0;
+
+vcl_test_client_main_t vcl_client_main;
+
+#define vtc_min(a, b) (a < b ? a : b)
+#define vtc_max(a, b) (a > b ? a : b)
+
+static int
+vtc_cfg_sync (vcl_test_session_t * ts)
+{
+ vcl_test_cfg_t *rx_cfg = (vcl_test_cfg_t *) ts->rxbuf;
+ int rx_bytes, tx_bytes;
+
+ vt_atomic_add (&ts->cfg.seq_num, 1);
+ if (ts->cfg.verbose)
+ {
+ vtinf ("(fd %d): Sending config to server.", ts->fd);
+ vcl_test_cfg_dump (&ts->cfg, 1 /* is_client */ );
+ }
+ tx_bytes = vcl_test_write (ts->fd, (uint8_t *) & ts->cfg,
+ sizeof (ts->cfg), NULL, ts->cfg.verbose);
+ if (tx_bytes < 0)
+ {
+ vtwrn ("(fd %d): write test cfg failed (%d)!", ts->fd, tx_bytes);
+ return tx_bytes;
+ }
+
+ rx_bytes = vcl_test_read (ts->fd, (uint8_t *) ts->rxbuf,
+ sizeof (vcl_test_cfg_t), NULL);
+ if (rx_bytes < 0)
+ return rx_bytes;
+
+ if (rx_cfg->magic != VCL_TEST_CFG_CTRL_MAGIC)
+ {
+ vtwrn ("(fd %d): Bad server reply cfg -- aborting!", ts->fd);
+ return -1;
+ }
+ if ((rx_bytes != sizeof (vcl_test_cfg_t))
+ || !vcl_test_cfg_verify (rx_cfg, &ts->cfg))
+ {
+ vtwrn ("(fd %d): Invalid config received from server!", ts->fd);
+ if (rx_bytes != sizeof (vcl_test_cfg_t))
+ {
+ vtinf ("\tRx bytes %d != cfg size %lu", rx_bytes,
+ sizeof (vcl_test_cfg_t));
+ }
+ else
+ {
+ vcl_test_cfg_dump (rx_cfg, 1 /* is_client */ );
+ vtinf ("(fd %d): Valid config sent to server.", ts->fd);
+ vcl_test_cfg_dump (&ts->cfg, 1 /* is_client */ );
+ }
+ return -1;
+ }
+ if (ts->cfg.verbose)
+ {
+ vtinf ("(fd %d): Got config back from server.", ts->fd);
+ vcl_test_cfg_dump (rx_cfg, 1 /* is_client */ );
+ }
+
+ return 0;
+}
+
+static int
+vtc_connect_test_sessions (vcl_test_client_worker_t * wrk)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_session_t *ts;
+ uint32_t n_test_sessions;
+ int i, rv;
+
+ n_test_sessions = wrk->cfg.num_test_sessions;
+ if (n_test_sessions < 1)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if (wrk->n_sessions >= n_test_sessions)
+ goto done;
+
+ if (wrk->n_sessions)
+ wrk->sessions = realloc (wrk->sessions,
+ n_test_sessions * sizeof (vcl_test_session_t));
+ else
+ wrk->sessions = calloc (n_test_sessions, sizeof (vcl_test_session_t));
+
+ if (!wrk->sessions)
+ {
+ vterr ("failed to alloc sessions", -errno);
+ return errno;
+ }
+
+ for (i = 0; i < n_test_sessions; i++)
+ {
+ ts = &wrk->sessions[i];
+ ts->fd = vppcom_session_create (vcm->proto, 1 /* is_nonblocking */ );
+ if (ts->fd < 0)
+ {
+ vterr ("vppcom_session_create()", ts->fd);
+ return ts->fd;
+ }
+
+ rv = vppcom_session_connect (ts->fd, &vcm->server_endpt);
+ if (rv < 0)
+ {
+ vterr ("vppcom_session_connect()", rv);
+ return rv;
+ }
+ vtinf ("Test session %d (fd %d) connected.", i, ts->fd);
+ }
+ wrk->n_sessions = n_test_sessions;
+
+done:
+ vtinf ("All test sessions (%d) connected!", n_test_sessions);
+ return 0;
+}
+
+static int
+vtc_worker_test_setup (vcl_test_client_worker_t * wrk)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ vcl_test_cfg_t *cfg = &wrk->cfg;
+ vcl_test_session_t *ts;
+ uint32_t sidx;
+ int i, j;
+
+ FD_ZERO (&wrk->wr_fdset);
+ FD_ZERO (&wrk->rd_fdset);
+
+ for (i = 0; i < cfg->num_test_sessions; i++)
+ {
+ ts = &wrk->sessions[i];
+ ts->cfg = wrk->cfg;
+ vcl_test_session_buf_alloc (ts);
+
+ switch (cfg->test)
+ {
+ case VCL_TEST_TYPE_ECHO:
+ memcpy (ts->txbuf, ctrl->txbuf, cfg->total_bytes);
+ break;
+ case VCL_TEST_TYPE_UNI:
+ case VCL_TEST_TYPE_BI:
+ for (j = 0; j < ts->txbuf_size; j++)
+ ts->txbuf[j] = j & 0xff;
+ break;
+ }
+
+ FD_SET (vppcom_session_index (ts->fd), &wrk->wr_fdset);
+ FD_SET (vppcom_session_index (ts->fd), &wrk->rd_fdset);
+ sidx = vppcom_session_index (ts->fd);
+ wrk->max_fd_index = vtc_max (sidx, wrk->max_fd_index);
+ }
+ wrk->max_fd_index += 1;
+
+ return 0;
+}
+
+static int
+vtc_worker_init (vcl_test_client_worker_t * wrk)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_cfg_t *cfg = &wrk->cfg;
+ vcl_test_session_t *ts;
+ uint32_t n;
+ int rv;
+
+ __wrk_index = wrk->wrk_index;
+
+ vtinf ("Initializing worker %u ...", wrk->wrk_index);
+
+ if (wrk->wrk_index)
+ {
+ if (vppcom_worker_register ())
+ {
+ vtwrn ("failed to register worker");
+ return -1;
+ }
+ vt_atomic_add (&vcm->active_workers, 1);
+ }
+ rv = vtc_connect_test_sessions (wrk);
+ if (rv)
+ {
+ vterr ("vtc_connect_test_sessions ()", rv);
+ return rv;
+ }
+
+ if (vtc_worker_test_setup (wrk))
+ return -1;
+
+ vtinf ("Sending config to server on all sessions ...");
+
+ for (n = 0; n < cfg->num_test_sessions; n++)
+ {
+ ts = &wrk->sessions[n];
+ if (vtc_cfg_sync (ts))
+ return -1;
+ memset (&ts->stats, 0, sizeof (ts->stats));
+ }
+
+ return 0;
+}
+
+static int stats_lock = 0;
+
+static void
+vtc_accumulate_stats (vcl_test_client_worker_t * wrk,
+ vcl_test_session_t * ctrl)
+{
+ vcl_test_session_t *ts;
+ static char buf[64];
+ int i, show_rx = 0;
+
+ while (__sync_lock_test_and_set (&stats_lock, 1))
+ ;
+
+ if (ctrl->cfg.test == VCL_TEST_TYPE_BI
+ || ctrl->cfg.test == VCL_TEST_TYPE_ECHO)
+ show_rx = 1;
+
+ for (i = 0; i < wrk->cfg.num_test_sessions; i++)
+ {
+ ts = &wrk->sessions[i];
+ ts->stats.start = ctrl->stats.start;
+
+ if (ctrl->cfg.verbose > 1)
+ {
+ sprintf (buf, "CLIENT (fd %d) RESULTS", ts->fd);
+ vcl_test_stats_dump (buf, &ts->stats, show_rx, 1 /* show tx */ ,
+ ctrl->cfg.verbose);
+ }
+
+ vcl_test_stats_accumulate (&ctrl->stats, &ts->stats);
+ if (vcl_comp_tspec (&ctrl->stats.stop, &ts->stats.stop) < 0)
+ ctrl->stats.stop = ts->stats.stop;
+ }
+
+ __sync_lock_release (&stats_lock);
+}
+
+static void
+vtc_worker_sessions_exit (vcl_test_client_worker_t * wrk)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ vcl_test_session_t *ts;
+ int i, verbose = ctrl->cfg.verbose;
+
+ for (i = 0; i < wrk->cfg.num_test_sessions; i++)
+ {
+ ts = &wrk->sessions[i];
+ ts->cfg.test = VCL_TEST_TYPE_EXIT;
+
+ if (verbose)
+ {
+ vtinf ("(fd %d): Sending exit cfg to server...", ts->fd);
+ vcl_test_cfg_dump (&ts->cfg, 1 /* is_client */ );
+ }
+ (void) vcl_test_write (ts->fd, (uint8_t *) & ts->cfg,
+ sizeof (ts->cfg), &ts->stats, verbose);
+ }
+ wrk->n_sessions = 0;
+}
+
+static void *
+vtc_worker_loop (void *arg)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ vcl_test_client_worker_t *wrk = arg;
+ uint32_t n_active_sessions, n_bytes;
+ fd_set _wfdset, *wfdset = &_wfdset;
+ fd_set _rfdset, *rfdset = &_rfdset;
+ vcl_test_session_t *ts;
+ int i, rv, check_rx = 0;
+
+ rv = vtc_worker_init (wrk);
+ if (rv)
+ {
+ vterr ("vtc_worker_init()", rv);
+ return 0;
+ }
+
+ vtinf ("Starting test ...");
+
+ if (wrk->wrk_index == 0)
+ clock_gettime (CLOCK_REALTIME, &ctrl->stats.start);
+
+ check_rx = wrk->cfg.test != VCL_TEST_TYPE_UNI;
+ n_active_sessions = wrk->cfg.num_test_sessions;
+ while (n_active_sessions)
+ {
+ _wfdset = wrk->wr_fdset;
+ _rfdset = wrk->rd_fdset;
+
+ rv = vppcom_select (wrk->max_fd_index, (unsigned long *) rfdset,
+ (unsigned long *) wfdset, NULL, 0);
+ if (rv < 0)
+ {
+ vterr ("vppcom_select()", rv);
+ goto exit;
+ }
+ else if (rv == 0)
+ continue;
+
+ for (i = 0; i < wrk->cfg.num_test_sessions; i++)
+ {
+ ts = &wrk->sessions[i];
+ if (!((ts->stats.stop.tv_sec == 0) &&
+ (ts->stats.stop.tv_nsec == 0)))
+ continue;
+
+ if (FD_ISSET (vppcom_session_index (ts->fd), rfdset)
+ && ts->stats.rx_bytes < ts->cfg.total_bytes)
+ {
+ (void) vcl_test_read (ts->fd, (uint8_t *) ts->rxbuf,
+ ts->rxbuf_size, &ts->stats);
+ }
+
+ if (FD_ISSET (vppcom_session_index (ts->fd), wfdset)
+ && ts->stats.tx_bytes < ts->cfg.total_bytes)
+ {
+ n_bytes = ts->cfg.txbuf_size;
+ if (ts->cfg.test == VCL_TEST_TYPE_ECHO)
+ n_bytes = strlen (ctrl->txbuf) + 1;
+ rv = vcl_test_write (ts->fd, (uint8_t *) ts->txbuf,
+ n_bytes, &ts->stats, ts->cfg.verbose);
+ if (rv < 0)
+ {
+ vtwrn ("vppcom_test_write (%d) failed -- aborting test",
+ ts->fd);
+ goto exit;
+ }
+ }
+
+ if ((!check_rx && ts->stats.tx_bytes >= ts->cfg.total_bytes)
+ || (check_rx && ts->stats.rx_bytes >= ts->cfg.total_bytes))
+ {
+ clock_gettime (CLOCK_REALTIME, &ts->stats.stop);
+ n_active_sessions--;
+ }
+ }
+ }
+exit:
+ vtinf ("Worker %d done ...", wrk->wrk_index);
+ if (wrk->cfg.test != VCL_TEST_TYPE_ECHO)
+ vtc_accumulate_stats (wrk, ctrl);
+ sleep (VCL_TEST_DELAY_DISCONNECT);
+ vtc_worker_sessions_exit (wrk);
+ if (wrk->wrk_index)
+ vt_atomic_add (&vcm->active_workers, -1);
+ return 0;
+}
+
+static void
+vtc_print_stats (vcl_test_session_t * ctrl)
+{
+ int is_echo = ctrl->cfg.test == VCL_TEST_TYPE_ECHO;
+ int show_rx = 0;
+ char buf[64];
+
+ if (ctrl->cfg.test == VCL_TEST_TYPE_BI
+ || ctrl->cfg.test == VCL_TEST_TYPE_ECHO)
+ show_rx = 1;
+
+ vcl_test_stats_dump ("CLIENT RESULTS", &ctrl->stats,
+ show_rx, 1 /* show tx */ ,
+ ctrl->cfg.verbose);
+ vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
+
+ if (ctrl->cfg.verbose)
+ {
+ vtinf (" ctrl session info\n"
+ VCL_TEST_SEPARATOR_STRING
+ " fd: %d (0x%08x)\n"
+ " rxbuf: %p\n"
+ " rxbuf size: %u (0x%08x)\n"
+ " txbuf: %p\n"
+ " txbuf size: %u (0x%08x)\n"
+ VCL_TEST_SEPARATOR_STRING,
+ ctrl->fd, (uint32_t) ctrl->fd,
+ ctrl->rxbuf, ctrl->rxbuf_size, ctrl->rxbuf_size,
+ ctrl->txbuf, ctrl->txbuf_size, ctrl->txbuf_size);
+ }
+
+ if (is_echo)
+ sprintf (buf, "Echo");
+ else
+ sprintf (buf, "%s-directional Stream",
+ ctrl->cfg.test == VCL_TEST_TYPE_BI ? "Bi" : "Uni");
+}
+
+static void
+vtc_echo_client (vcl_test_client_main_t * vcm)
+{
+ vcl_test_client_worker_t *wrk;
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ vcl_test_cfg_t *cfg = &ctrl->cfg;
+
+ cfg->total_bytes = strlen (ctrl->txbuf) + 1;
+ memset (&ctrl->stats, 0, sizeof (ctrl->stats));
+
+ /* Echo works with only one worker */
+ wrk = vcm->workers;
+ wrk->wrk_index = 0;
+ wrk->cfg = *cfg;
+
+ vtc_worker_loop (wrk);
+
+ /* Not relevant for echo test
+ clock_gettime (CLOCK_REALTIME, &ctrl->stats.stop);
+ vtc_accumulate_stats (wrk, ctrl);
+ vtc_print_stats (ctrl);
+ */
+}
+
+static void
+vtc_stream_client (vcl_test_client_main_t * vcm)
+{
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ vcl_test_cfg_t *cfg = &ctrl->cfg;
+ vcl_test_client_worker_t *wrk;
+ uint32_t i, n_conn, n_conn_per_wrk;
+
+ vtinf ("%s-directional Stream Test Starting!",
+ ctrl->cfg.test == VCL_TEST_TYPE_BI ? "Bi" : "Uni");
+
+ cfg->total_bytes = cfg->num_writes * cfg->txbuf_size;
+ cfg->ctrl_handle = ~0;
+ if (vtc_cfg_sync (ctrl))
+ {
+ vtwrn ("test cfg sync failed -- aborting!");
+ return;
+ }
+ cfg->ctrl_handle = ((vcl_test_cfg_t *) ctrl->rxbuf)->ctrl_handle;
+ memset (&ctrl->stats, 0, sizeof (ctrl->stats));
+
+ n_conn = cfg->num_test_sessions;
+ n_conn_per_wrk = n_conn / vcm->n_workers;
+ for (i = 0; i < vcm->n_workers; i++)
+ {
+ wrk = &vcm->workers[i];
+ wrk->wrk_index = i;
+ wrk->cfg = ctrl->cfg;
+ wrk->cfg.num_test_sessions = vtc_min (n_conn_per_wrk, n_conn);
+ n_conn -= wrk->cfg.num_test_sessions;
+ }
+
+ for (i = 1; i < vcm->n_workers; i++)
+ {
+ wrk = &vcm->workers[i];
+ pthread_create (&wrk->thread_handle, NULL, vtc_worker_loop,
+ (void *) wrk);
+ }
+ vtc_worker_loop (&vcm->workers[0]);
+
+ while (vcm->active_workers > 0)
+ ;
+
+ vtinf ("Sending config on ctrl session (fd %d) for stats...", ctrl->fd);
+ if (vtc_cfg_sync (ctrl))
+ {
+ vtwrn ("test cfg sync failed -- aborting!");
+ return;
+ }
+
+ vtc_print_stats (ctrl);
+
+ ctrl->cfg.test = VCL_TEST_TYPE_ECHO;
+ ctrl->cfg.total_bytes = 0;
+ if (vtc_cfg_sync (ctrl))
+ vtwrn ("post-test cfg sync failed!");
+}
+
+static void
+dump_help (void)
+{
+#define INDENT "\n "
+
+ printf ("CLIENT: Test configuration commands:"
+ INDENT VCL_TEST_TOKEN_HELP
+ "\t\t\tDisplay help."
+ INDENT VCL_TEST_TOKEN_EXIT
+ "\t\t\tExit test client & server."
+ INDENT VCL_TEST_TOKEN_SHOW_CFG
+ "\t\t\tShow the current test cfg."
+ INDENT VCL_TEST_TOKEN_RUN_UNI
+ "\t\t\tRun the Uni-directional test."
+ INDENT VCL_TEST_TOKEN_RUN_BI
+ "\t\t\tRun the Bi-directional test."
+ INDENT VCL_TEST_TOKEN_VERBOSE
+ "\t\t\tToggle verbose setting."
+ INDENT VCL_TEST_TOKEN_RXBUF_SIZE
+ "<rxbuf size>\tRx buffer size (bytes)."
+ INDENT VCL_TEST_TOKEN_TXBUF_SIZE
+ "<txbuf size>\tTx buffer size (bytes)."
+ INDENT VCL_TEST_TOKEN_NUM_WRITES
+ "<# of writes>\tNumber of txbuf writes to server." "\n");
+}
+
+static void
+cfg_txbuf_size_set (void)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ char *p = ctrl->txbuf + strlen (VCL_TEST_TOKEN_TXBUF_SIZE);
+ uint64_t txbuf_size = strtoull ((const char *) p, NULL, 10);
+
+ if (txbuf_size >= VCL_TEST_CFG_BUF_SIZE_MIN)
+ {
+ ctrl->cfg.txbuf_size = txbuf_size;
+ ctrl->cfg.total_bytes = ctrl->cfg.num_writes * ctrl->cfg.txbuf_size;
+ vcl_test_buf_alloc (&ctrl->cfg, 0 /* is_rxbuf */ ,
+ (uint8_t **) & ctrl->txbuf, &ctrl->txbuf_size);
+ vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
+ }
+ else
+ vtwrn ("Invalid txbuf size (%lu) < minimum buf size (%u)!",
+ txbuf_size, VCL_TEST_CFG_BUF_SIZE_MIN);
+}
+
+static void
+cfg_num_writes_set (void)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ char *p = ctrl->txbuf + strlen (VCL_TEST_TOKEN_NUM_WRITES);
+ uint32_t num_writes = strtoul ((const char *) p, NULL, 10);
+
+ if (num_writes > 0)
+ {
+ ctrl->cfg.num_writes = num_writes;
+ ctrl->cfg.total_bytes = ctrl->cfg.num_writes * ctrl->cfg.txbuf_size;
+ vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
+ }
+ else
+ {
+ vtwrn ("invalid num writes: %u", num_writes);
+ }
+}
+
+static void
+cfg_num_test_sessions_set (void)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ char *p = ctrl->txbuf + strlen (VCL_TEST_TOKEN_NUM_TEST_SESS);
+ uint32_t num_test_sessions = strtoul ((const char *) p, NULL, 10);
+
+ if ((num_test_sessions > 0) &&
+ (num_test_sessions <= VCL_TEST_CFG_MAX_TEST_SESS))
+ {
+ ctrl->cfg.num_test_sessions = num_test_sessions;
+ vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
+ }
+ else
+ {
+ vtwrn ("invalid num test sessions: %u, (%d max)",
+ num_test_sessions, VCL_TEST_CFG_MAX_TEST_SESS);
+ }
+}
+
+static void
+cfg_rxbuf_size_set (void)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ char *p = ctrl->txbuf + strlen (VCL_TEST_TOKEN_RXBUF_SIZE);
+ uint64_t rxbuf_size = strtoull ((const char *) p, NULL, 10);
+
+ if (rxbuf_size >= VCL_TEST_CFG_BUF_SIZE_MIN)
+ {
+ ctrl->cfg.rxbuf_size = rxbuf_size;
+ vcl_test_buf_alloc (&ctrl->cfg, 1 /* is_rxbuf */ ,
+ (uint8_t **) & ctrl->rxbuf, &ctrl->rxbuf_size);
+ vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
+ }
+ else
+ vtwrn ("Invalid rxbuf size (%lu) < minimum buf size (%u)!",
+ rxbuf_size, VCL_TEST_CFG_BUF_SIZE_MIN);
+}
+
+static void
+cfg_verbose_toggle (void)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+
+ ctrl->cfg.verbose = ctrl->cfg.verbose ? 0 : 1;
+ vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
+
+}
+
+static vcl_test_t
+parse_input ()
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ vcl_test_t rv = VCL_TEST_TYPE_NONE;
+
+ if (!strncmp (VCL_TEST_TOKEN_EXIT, ctrl->txbuf,
+ strlen (VCL_TEST_TOKEN_EXIT)))
+ rv = VCL_TEST_TYPE_EXIT;
+
+ else if (!strncmp (VCL_TEST_TOKEN_HELP, ctrl->txbuf,
+ strlen (VCL_TEST_TOKEN_HELP)))
+ dump_help ();
+
+ else if (!strncmp (VCL_TEST_TOKEN_SHOW_CFG, ctrl->txbuf,
+ strlen (VCL_TEST_TOKEN_SHOW_CFG)))
+ vcm->dump_cfg = 1;
+
+ else if (!strncmp (VCL_TEST_TOKEN_VERBOSE, ctrl->txbuf,
+ strlen (VCL_TEST_TOKEN_VERBOSE)))
+ cfg_verbose_toggle ();
+
+ else if (!strncmp (VCL_TEST_TOKEN_TXBUF_SIZE, ctrl->txbuf,
+ strlen (VCL_TEST_TOKEN_TXBUF_SIZE)))
+ cfg_txbuf_size_set ();
+
+ else if (!strncmp (VCL_TEST_TOKEN_NUM_TEST_SESS, ctrl->txbuf,
+ strlen (VCL_TEST_TOKEN_NUM_TEST_SESS)))
+ cfg_num_test_sessions_set ();
+
+ else if (!strncmp (VCL_TEST_TOKEN_NUM_WRITES, ctrl->txbuf,
+ strlen (VCL_TEST_TOKEN_NUM_WRITES)))
+ cfg_num_writes_set ();
+
+ else if (!strncmp (VCL_TEST_TOKEN_RXBUF_SIZE, ctrl->txbuf,
+ strlen (VCL_TEST_TOKEN_RXBUF_SIZE)))
+ cfg_rxbuf_size_set ();
+
+ else if (!strncmp (VCL_TEST_TOKEN_RUN_UNI, ctrl->txbuf,
+ strlen (VCL_TEST_TOKEN_RUN_UNI)))
+ rv = ctrl->cfg.test = VCL_TEST_TYPE_UNI;
+
+ else if (!strncmp (VCL_TEST_TOKEN_RUN_BI, ctrl->txbuf,
+ strlen (VCL_TEST_TOKEN_RUN_BI)))
+ rv = ctrl->cfg.test = VCL_TEST_TYPE_BI;
+
+ else
+ rv = VCL_TEST_TYPE_ECHO;
+
+ return rv;
+}
+
+void
+print_usage_and_exit (void)
+{
+ fprintf (stderr,
+ "vcl_test_client [OPTIONS] <ipaddr> <port>\n"
+ " OPTIONS\n"
+ " -h Print this message and exit.\n"
+ " -6 Use IPv6\n"
+ " -c Print test config before test.\n"
+ " -w <dir> Write test results to <dir>.\n"
+ " -X Exit after running test.\n"
+ " -D Use UDP transport layer\n"
+ " -L Use TLS transport layer\n"
+ " -E Run Echo test.\n"
+ " -N <num-writes> Test Cfg: number of writes.\n"
+ " -R <rxbuf-size> Test Cfg: rx buffer size.\n"
+ " -T <txbuf-size> Test Cfg: tx buffer size.\n"
+ " -U Run Uni-directional test.\n"
+ " -B Run Bi-directional test.\n"
+ " -V Verbose mode.\n");
+ exit (1);
+}
+
+static void
+vtc_process_opts (vcl_test_client_main_t * vcm, int argc, char **argv)
+{
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ int c, v;
+
+ opterr = 0;
+ while ((c = getopt (argc, argv, "chn:w:XE:I:N:R:T:UBV6DL")) != -1)
+ switch (c)
+ {
+ case 'c':
+ vcm->dump_cfg = 1;
+ break;
+
+ case 's':
+ if (sscanf (optarg, "0x%x", &ctrl->cfg.num_test_sessions) != 1)
+ if (sscanf (optarg, "%u", &ctrl->cfg.num_test_sessions) != 1)
+ {
+ vtwrn ("Invalid value for option -%c!", c);
+ print_usage_and_exit ();
+ }
+ if (!ctrl->cfg.num_test_sessions ||
+ (ctrl->cfg.num_test_sessions > FD_SETSIZE))
+ {
+ vtwrn ("Invalid number of sessions (%d) specified for option -%c!"
+ "\n Valid range is 1 - %d",
+ ctrl->cfg.num_test_sessions, c, FD_SETSIZE);
+ print_usage_and_exit ();
+ }
+ break;
+
+ case 'w':
+ if (sscanf (optarg, "%d", &v) != 1)
+ {
+ vtwrn ("Invalid value for option -%c!", c);
+ print_usage_and_exit ();
+ }
+ if (v > 1)
+ vcm->n_workers = v;
+ break;
+
+ case 'X':
+ vcm->post_test = VCL_TEST_TYPE_EXIT;
+ break;
+
+ case 'E':
+ if (strlen (optarg) > ctrl->txbuf_size)
+ {
+ vtwrn ("Option -%c value larger than txbuf size (%d)!",
+ optopt, ctrl->txbuf_size);
+ print_usage_and_exit ();
+ }
+ strcpy (ctrl->txbuf, optarg);
+ ctrl->cfg.test = VCL_TEST_TYPE_ECHO;
+ break;
+
+ case 'I':
+ if (sscanf (optarg, "0x%x", &ctrl->cfg.num_test_sessions) != 1)
+ if (sscanf (optarg, "%d", &ctrl->cfg.num_test_sessions) != 1)
+ {
+ vtwrn ("Invalid value for option -%c!", c);
+ print_usage_and_exit ();
+ }
+ if (ctrl->cfg.num_test_sessions > VCL_TEST_CFG_MAX_TEST_SESS)
+ {
+ vtwrn ("value greater than max number test sessions (%d)!",
+ VCL_TEST_CFG_MAX_TEST_SESS);
+ print_usage_and_exit ();
+ }
+ break;
+
+ case 'N':
+ if (sscanf (optarg, "0x%lx", &ctrl->cfg.num_writes) != 1)
+ if (sscanf (optarg, "%ld", &ctrl->cfg.num_writes) != 1)
+ {
+ vtwrn ("Invalid value for option -%c!", c);
+ print_usage_and_exit ();
+ }
+ ctrl->cfg.total_bytes = ctrl->cfg.num_writes * ctrl->cfg.txbuf_size;
+ break;
+
+ case 'R':
+ if (sscanf (optarg, "0x%lx", &ctrl->cfg.rxbuf_size) != 1)
+ if (sscanf (optarg, "%ld", &ctrl->cfg.rxbuf_size) != 1)
+ {
+ vtwrn ("Invalid value for option -%c!", c);
+ print_usage_and_exit ();
+ }
+ if (ctrl->cfg.rxbuf_size >= VCL_TEST_CFG_BUF_SIZE_MIN)
+ {
+ ctrl->rxbuf_size = ctrl->cfg.rxbuf_size;
+ vcl_test_buf_alloc (&ctrl->cfg, 1 /* is_rxbuf */ ,
+ (uint8_t **) & ctrl->rxbuf,
+ &ctrl->rxbuf_size);
+ }
+ else
+ {
+ vtwrn ("rxbuf size (%lu) less than minumum (%u)",
+ ctrl->cfg.rxbuf_size, VCL_TEST_CFG_BUF_SIZE_MIN);
+ print_usage_and_exit ();
+ }
+
+ break;
+
+ case 'T':
+ if (sscanf (optarg, "0x%lx", &ctrl->cfg.txbuf_size) != 1)
+ if (sscanf (optarg, "%ld", &ctrl->cfg.txbuf_size) != 1)
+ {
+ vtwrn ("Invalid value for option -%c!", c);
+ print_usage_and_exit ();
+ }
+ if (ctrl->cfg.txbuf_size >= VCL_TEST_CFG_BUF_SIZE_MIN)
+ {
+ ctrl->txbuf_size = ctrl->cfg.txbuf_size;
+ vcl_test_buf_alloc (&ctrl->cfg, 0 /* is_rxbuf */ ,
+ (uint8_t **) & ctrl->txbuf,
+ &ctrl->txbuf_size);
+ ctrl->cfg.total_bytes =
+ ctrl->cfg.num_writes * ctrl->cfg.txbuf_size;
+ }
+ else
+ {
+ vtwrn ("txbuf size (%lu) less than minumum (%u)!",
+ ctrl->cfg.txbuf_size, VCL_TEST_CFG_BUF_SIZE_MIN);
+ print_usage_and_exit ();
+ }
+ break;
+
+ case 'U':
+ ctrl->cfg.test = VCL_TEST_TYPE_UNI;
+ break;
+
+ case 'B':
+ ctrl->cfg.test = VCL_TEST_TYPE_BI;
+ break;
+
+ case 'V':
+ ctrl->cfg.verbose = 1;
+ break;
+
+ case '6':
+ ctrl->cfg.address_ip6 = 1;
+ break;
+
+ case 'D':
+ ctrl->cfg.transport_udp = 1;
+ break;
+
+ case 'L':
+ ctrl->cfg.transport_tls = 1;
+ break;
+
+ case '?':
+ switch (optopt)
+ {
+ case 'E':
+ case 'I':
+ case 'N':
+ case 'R':
+ case 'T':
+ case 'w':
+ vtwrn ("Option -%c requires an argument.", optopt);
+ break;
+
+ default:
+ if (isprint (optopt))
+ vtwrn ("Unknown option `-%c'.", optopt);
+ else
+ vtwrn ("Unknown option character `\\x%x'.", optopt);
+ }
+ /* fall thru */
+ case 'h':
+ default:
+ print_usage_and_exit ();
+ }
+
+ if (argc < (optind + 2))
+ {
+ vtwrn ("Insufficient number of arguments!");
+ print_usage_and_exit ();
+ }
+
+ if (ctrl->cfg.transport_udp)
+ {
+ vcm->proto = VPPCOM_PROTO_UDP;
+ }
+ else if (ctrl->cfg.transport_tls)
+ {
+ vcm->proto = VPPCOM_PROTO_TLS;
+ }
+ else
+ {
+ vcm->proto = VPPCOM_PROTO_TCP;
+ }
+
+ memset (&vcm->server_addr, 0, sizeof (vcm->server_addr));
+ if (ctrl->cfg.address_ip6)
+ {
+ struct sockaddr_in6 *sddr6 = (struct sockaddr_in6 *) &vcm->server_addr;
+ sddr6->sin6_family = AF_INET6;
+ inet_pton (AF_INET6, argv[optind++], &(sddr6->sin6_addr));
+ sddr6->sin6_port = htons (atoi (argv[optind]));
+
+ vcm->server_endpt.is_ip4 = 0;
+ vcm->server_endpt.ip = (uint8_t *) & sddr6->sin6_addr;
+ vcm->server_endpt.port = (uint16_t) sddr6->sin6_port;
+ }
+ else
+ {
+ struct sockaddr_in *saddr4 = (struct sockaddr_in *) &vcm->server_addr;
+ saddr4->sin_family = AF_INET;
+ inet_pton (AF_INET, argv[optind++], &(saddr4->sin_addr));
+ saddr4->sin_port = htons (atoi (argv[optind]));
+
+ vcm->server_endpt.is_ip4 = 1;
+ vcm->server_endpt.ip = (uint8_t *) & saddr4->sin_addr;
+ vcm->server_endpt.port = (uint16_t) saddr4->sin_port;
+ }
+}
+
+static void
+vtc_read_user_input (vcl_test_session_t * ctrl)
+{
+ printf ("\nType some characters and hit <return>\n"
+ "('" VCL_TEST_TOKEN_HELP "' for help): ");
+
+ if (fgets (ctrl->txbuf, ctrl->txbuf_size, stdin) != NULL)
+ {
+ if (strlen (ctrl->txbuf) == 1)
+ {
+ printf ("\nNothing to send! Please try again...\n");
+ return;
+ }
+ ctrl->txbuf[strlen (ctrl->txbuf) - 1] = 0; // chomp the newline.
+
+ /* Parse input for keywords */
+ ctrl->cfg.test = parse_input ();
+ }
+}
+
+static void
+vtc_ctrl_session_exit (void)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ int verbose = ctrl->cfg.verbose;
+
+ ctrl->cfg.test = VCL_TEST_TYPE_EXIT;
+ if (verbose)
+ {
+ vtinf ("(fd %d): Sending exit cfg to server...", ctrl->fd);
+ vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
+ }
+ (void) vcl_test_write (ctrl->fd, (uint8_t *) & ctrl->cfg,
+ sizeof (ctrl->cfg), &ctrl->stats, verbose);
+ sleep (1);
+}
+
+int
+main (int argc, char **argv)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ vcl_test_session_t *ctrl = &vcm->ctrl_session;
+ int rv;
+
+ vcm->n_workers = 1;
+ vcl_test_cfg_init (&ctrl->cfg);
+ vcl_test_session_buf_alloc (ctrl);
+ vtc_process_opts (vcm, argc, argv);
+
+ vcm->workers = calloc (vcm->n_workers, sizeof (vcl_test_client_worker_t));
+ rv = vppcom_app_create ("vcl_test_client");
+ if (rv < 0)
+ vtfail ("vppcom_app_create()", rv);
+
+ ctrl->fd = vppcom_session_create (vcm->proto, 0 /* is_nonblocking */ );
+ if (ctrl->fd < 0)
+ vtfail ("vppcom_session_create()", ctrl->fd);
+
+ if (vcm->proto == VPPCOM_PROTO_TLS)
+ {
+ vtinf ("Adding tls certs ...");
+ vppcom_session_tls_add_cert (ctrl->fd, vcl_test_crt_rsa,
+ vcl_test_crt_rsa_len);
+ vppcom_session_tls_add_key (ctrl->fd, vcl_test_key_rsa,
+ vcl_test_key_rsa_len);
+ }
+
+ vtinf ("Connecting to server...");
+ rv = vppcom_session_connect (ctrl->fd, &vcm->server_endpt);
+ if (rv)
+ vtfail ("vppcom_session_connect()", rv);
+ vtinf ("Control session (fd %d) connected.", ctrl->fd);
+
+ rv = vtc_cfg_sync (ctrl);
+ if (rv)
+ vtfail ("vtc_cfg_sync()", rv);
+
+ ctrl->cfg.ctrl_handle = ((vcl_test_cfg_t *) ctrl->rxbuf)->ctrl_handle;
+ memset (&ctrl->stats, 0, sizeof (ctrl->stats));
+
+ while (ctrl->cfg.test != VCL_TEST_TYPE_EXIT)
+ {
+ if (vcm->dump_cfg)
+ {
+ vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
+ vcm->dump_cfg = 0;
+ }
+
+ switch (ctrl->cfg.test)
+ {
+ case VCL_TEST_TYPE_ECHO:
+ vtc_echo_client (vcm);
+ break;
+
+ case VCL_TEST_TYPE_UNI:
+ case VCL_TEST_TYPE_BI:
+ vtc_stream_client (vcm);
+ break;
+
+ case VCL_TEST_TYPE_EXIT:
+ continue;
+
+ case VCL_TEST_TYPE_NONE:
+ default:
+ break;
+ }
+ switch (vcm->post_test)
+ {
+ case VCL_TEST_TYPE_EXIT:
+ switch (ctrl->cfg.test)
+ {
+ case VCL_TEST_TYPE_EXIT:
+ case VCL_TEST_TYPE_UNI:
+ case VCL_TEST_TYPE_BI:
+ case VCL_TEST_TYPE_ECHO:
+ ctrl->cfg.test = VCL_TEST_TYPE_EXIT;
+ continue;
+
+ case VCL_TEST_TYPE_NONE:
+ default:
+ break;
+ }
+ break;
+
+ case VCL_TEST_TYPE_NONE:
+ case VCL_TEST_TYPE_ECHO:
+ case VCL_TEST_TYPE_UNI:
+ case VCL_TEST_TYPE_BI:
+ default:
+ break;
+ }
+
+ memset (ctrl->txbuf, 0, ctrl->txbuf_size);
+ memset (ctrl->rxbuf, 0, ctrl->rxbuf_size);
+
+ vtc_read_user_input (ctrl);
+ }
+
+ vtc_ctrl_session_exit ();
+ vppcom_session_close (ctrl->fd);
+ vppcom_app_destroy ();
+ free (vcm->workers);
+ return 0;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */