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-rw-r--r--vlib/example/mc_test.c370
1 files changed, 370 insertions, 0 deletions
diff --git a/vlib/example/mc_test.c b/vlib/example/mc_test.c
new file mode 100644
index 00000000000..2a7fe9867fe
--- /dev/null
+++ b/vlib/example/mc_test.c
@@ -0,0 +1,370 @@
+/*
+ * mc_test.c: test program for vlib mc
+ *
+ * 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 <vlib/vlib.h>
+#include <vlib/unix/mc_socket.h>
+#include <vppinfra/random.h>
+
+typedef struct {
+ u32 min_n_msg_bytes;
+ u32 max_n_msg_bytes;
+ u32 tx_serial;
+ u32 rx_serial;
+ u32 seed;
+ u32 verbose;
+ u32 validate;
+ u32 window_size;
+ f64 min_delay, max_delay;
+ f64 n_packets_to_send;
+} mc_test_main_t;
+
+always_inline u32
+choose_msg_size (mc_test_main_t * tm)
+{
+ u32 r = tm->min_n_msg_bytes;
+ if (tm->max_n_msg_bytes > tm->min_n_msg_bytes)
+ r += random_u32 (&tm->seed) % (1 + tm->max_n_msg_bytes - tm->min_n_msg_bytes);
+ return r;
+}
+
+static mc_test_main_t mc_test_main;
+
+static void serialize_test_msg (serialize_main_t * m, va_list * va)
+{
+ mc_test_main_t * tm = &mc_test_main;
+ u32 n_bytes = choose_msg_size (tm);
+ u8 * msg;
+ int i;
+ serialize_integer (m, n_bytes, sizeof (n_bytes));
+ msg = serialize_get (m, n_bytes);
+ for (i = 0; i < n_bytes; i++)
+ msg[i] = i + tm->tx_serial;
+ tm->tx_serial += n_bytes;
+}
+
+static void unserialize_test_msg (serialize_main_t * m, va_list * va)
+{
+ mc_test_main_t * tm = &mc_test_main;
+ u32 i, n_bytes, dump_msg = tm->verbose;
+ u8 * p;
+ unserialize_integer (m, &n_bytes, sizeof (n_bytes));
+ p = unserialize_get (m, n_bytes);
+ if (tm->validate)
+ for (i = 0; i < n_bytes; i++)
+ if (p[i] != ((tm->rx_serial + i) & 0xff))
+ {
+ clib_warning ("corrupt msg at offset %d", i);
+ dump_msg = 1;
+ break;
+ }
+ if (dump_msg)
+ clib_warning ("got %d bytes, %U", n_bytes, format_hex_bytes, p, n_bytes);
+ tm->rx_serial += n_bytes;
+}
+
+MC_SERIALIZE_MSG (test_msg, static) = {
+ .name = "test_msg",
+ .serialize = serialize_test_msg,
+ .unserialize = unserialize_test_msg,
+};
+
+#define SERIALIZE 1
+
+#define EVENT_JOIN_STREAM 10
+#define EVENT_SEND_DATA 11
+
+static void test_rx_callback (mc_main_t * mcm,
+ mc_stream_t * stream,
+ mc_peer_id_t peer_id,
+ u32 buffer_index)
+{
+ if (SERIALIZE)
+ {
+ return mc_unserialize (mcm, stream, buffer_index);
+ }
+ else
+ {
+#if DEBUG > 1
+ vlib_main_t * vm = mcm->vlib_main;
+ vlib_buffer_t * b = vlib_get_buffer (vm, buffer_index);
+ u8 * dp = vlib_buffer_get_current (b);
+
+ fformat(stdout, "RX from %U %U\n",
+ stream->transport->format_peer_id, peer_id,
+ format_hex_bytes, dp, tm->n_msg_bytes);
+
+#endif
+ }
+}
+
+static u8 *
+test_snapshot_callback (mc_main_t * mcm,
+ u8 * data_vector,
+ u32 last_global_sequence_processed)
+{
+ if (SERIALIZE)
+ {
+ serialize_main_t m;
+
+ /* Append serialized data to data vector. */
+ serialize_open_vector (&m, data_vector);
+ m.stream.current_buffer_index = vec_len (data_vector);
+
+ return serialize_close_vector (&m);
+ }
+ else
+ return format (data_vector,
+ "snapshot, last global seq 0x%x",
+ last_global_sequence_processed);
+}
+
+static void
+test_handle_snapshot_callback (mc_main_t * mcm,
+ u8 * data,
+ u32 n_data_bytes)
+{
+ if (SERIALIZE)
+ {
+ serialize_main_t s;
+ unserialize_open_data (&s, data, n_data_bytes);
+ }
+ else
+ clib_warning ("snapshot `%*s'", n_data_bytes, data);
+}
+
+static mc_socket_main_t mc_socket_main;
+
+static uword
+mc_test_process (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * f)
+{
+ mc_test_main_t * tm = &mc_test_main;
+ mc_socket_main_t * msm = &mc_socket_main;
+ mc_main_t *mcm = &msm->mc_main;
+ uword event_type, *event_data = 0;
+ u32 data_serial=0, stream_index;
+ f64 delay;
+ mc_stream_config_t config;
+ clib_error_t * error;
+ int i;
+ char *intfcs[] = { "eth1", "eth0", "ce" };
+
+ memset (&config, 0, sizeof (config));
+ config.name = "test";
+ config.window_size = tm->window_size;
+ config.rx_buffer = test_rx_callback;
+ config.catchup_snapshot = test_snapshot_callback;
+ config.catchup = test_handle_snapshot_callback;
+ stream_index = ~0;
+
+ msm->multicast_tx_ip4_address_host_byte_order = 0xefff0100;
+ msm->base_multicast_udp_port_host_byte_order = 0xffab;
+
+ error = mc_socket_main_init (&mc_socket_main, intfcs, ARRAY_LEN(intfcs));
+ if (error)
+ {
+ clib_error_report (error);
+ exit (1);
+ }
+
+ mcm->we_can_be_relay_master = 1;
+
+ while (1)
+ {
+ vlib_process_wait_for_event (vm);
+ event_type = vlib_process_get_events (vm, &event_data);
+
+ switch (event_type)
+ {
+ case EVENT_JOIN_STREAM:
+ stream_index = mc_stream_join (mcm, &config);
+ break;
+
+ case EVENT_SEND_DATA: {
+ f64 times[2];
+
+ if (stream_index == ~0)
+ stream_index = mc_stream_join (mcm, &config);
+
+ times[0] = vlib_time_now (vm);
+ for (i = 0; i < event_data[0]; i++)
+ {
+ u32 bi;
+ if (SERIALIZE)
+ {
+ mc_serialize_stream (mcm, stream_index, &test_msg, data_serial);
+ }
+ else
+ {
+ u8 * mp;
+ mp = mc_get_vlib_buffer (vm, sizeof (mp[0]), &bi);
+ mp[0] = data_serial;
+ mc_stream_send (mcm, stream_index, bi);
+ }
+ if (tm->min_delay > 0)
+ {
+ delay = tm->min_delay + random_f64 (&tm->seed) * (tm->max_delay - tm->min_delay);
+ vlib_process_suspend (vm, delay);
+ }
+ data_serial++;
+ }
+ times[1] = vlib_time_now (vm);
+ clib_warning ("done sending %d; %.4e per sec",
+ event_data[0],
+ (f64) event_data[0] / (times[1] - times[0]));
+ break;
+ }
+
+ default:
+ clib_warning ("bug");
+ break;
+ }
+
+ if (event_data)
+ _vec_len (event_data) = 0;
+ }
+}
+
+VLIB_REGISTER_NODE (mc_test_process_node,static) = {
+ .function = mc_test_process,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "mc-test-process",
+};
+
+static clib_error_t *
+mc_test_command (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ f64 npkts = 10;
+
+ if (unformat (input, "join"))
+ {
+ vlib_cli_output (vm, "Join stream...\n");
+ vlib_process_signal_event (vm, mc_test_process_node.index,
+ EVENT_JOIN_STREAM, 0);
+ return 0;
+ }
+ else if (unformat (input, "send %f", &npkts)
+ || unformat(input, "send"))
+ {
+ vlib_process_signal_event (vm, mc_test_process_node.index,
+ EVENT_SEND_DATA, (uword) npkts);
+ vlib_cli_output (vm, "Send %.0f pkts...\n", npkts);
+
+ return 0;
+ }
+ else
+ return unformat_parse_error (input);
+}
+
+VLIB_CLI_COMMAND (test_mc_command, static) = {
+ .path = "test mc",
+ .short_help = "Test mc command",
+ .function = mc_test_command,
+};
+
+static clib_error_t *
+mc_show_command (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ mc_main_t *mcm = &mc_socket_main.mc_main;
+ vlib_cli_output (vm, "%U", format_mc_main, mcm);
+ return 0;
+}
+
+VLIB_CLI_COMMAND (show_mc_command, static) = {
+ .path = "show mc",
+ .short_help = "Show mc command",
+ .function = mc_show_command,
+};
+
+static clib_error_t *
+mc_clear_command (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ mc_main_t * mcm = &mc_socket_main.mc_main;
+ mc_clear_stream_stats (mcm);
+ return 0;
+}
+
+VLIB_CLI_COMMAND (clear_mc_command, static) = {
+ .path = "clear mc",
+ .short_help = "Clear mc command",
+ .function = mc_clear_command,
+};
+
+static clib_error_t *
+mc_config (vlib_main_t * vm, unformat_input_t * input)
+{
+ mc_test_main_t * tm = &mc_test_main;
+ mc_socket_main_t * msm = &mc_socket_main;
+ clib_error_t * error = 0;
+
+ tm->min_n_msg_bytes = 4;
+ tm->max_n_msg_bytes = 4;
+ tm->window_size = 8;
+ tm->seed = getpid ();
+ tm->verbose = 0;
+ tm->validate = 1;
+ tm->min_delay = 10e-6;
+ tm->max_delay = 10e-3;
+ tm->n_packets_to_send = 0;
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "interface %s", &msm->multicast_interface_name))
+ ;
+
+ else if (unformat (input, "n-bytes %d", &tm->max_n_msg_bytes))
+ tm->min_n_msg_bytes = tm->max_n_msg_bytes;
+ else if (unformat (input, "max-n-bytes %d", &tm->max_n_msg_bytes))
+ ;
+ else if (unformat (input, "min-n-bytes %d", &tm->min_n_msg_bytes))
+ ;
+ else if (unformat (input, "seed %d", &tm->seed))
+ ;
+ else if (unformat (input, "window %d", &tm->window_size))
+ ;
+ else if (unformat (input, "verbose"))
+ tm->verbose = 1;
+ else if (unformat (input, "no-validate"))
+ tm->validate = 0;
+ else if (unformat (input, "min-delay %f", &tm->min_delay))
+ ;
+ else if (unformat (input, "max-delay %f", &tm->max_delay))
+ ;
+ else if (unformat (input, "no-delay"))
+ tm->min_delay = tm->max_delay = 0;
+ else if (unformat (input, "n-packets %f", &tm->n_packets_to_send))
+ ;
+
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ if (tm->n_packets_to_send > 0)
+ vlib_process_signal_event (vm, mc_test_process_node.index,
+ EVENT_SEND_DATA, (uword) tm->n_packets_to_send);
+
+ return error;
+}
+
+VLIB_CONFIG_FUNCTION (mc_config, "mc");