2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 #include <vlib/vlib.h>
16 #include <vlib/unix/unix.h>
20 main (int argc, char *argv[])
22 return vlib_unix_main (argc, argv);
26 main_stub_init (vlib_main_t * vm)
30 if ((error = unix_physmem_init (vm)))
33 if ((error = vlib_call_init_function (vm, unix_cli_init)))
39 VLIB_INIT_FUNCTION (main_stub_init);
50 format_my_node_frame (u8 * s, va_list * va)
52 vlib_frame_t *f = va_arg (*va, vlib_frame_t *);
53 my_frame_t *g = vlib_frame_scalar_args (f);
56 s = format (s, "scalar %d, vector { ", g->scalar);
57 for (i = 0; i < f->n_vectors; i++)
58 s = format (s, "%d, ", g->vector[i]);
65 my_func (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
73 node = vlib_get_node (vm, rt->node_index);
78 vlib_cli_output (vm, "%v: call frame %p %U", node->name,
79 f, format_my_node_frame, f);
81 if (rt->n_next_nodes > 0)
83 vlib_frame_t *next = vlib_get_next_frame (vm, rt, /* next index */ 0);
84 n_left = VLIB_FRAME_SIZE - next->n_vectors;
85 y = vlib_frame_scalar_args (next);
91 for (i = 0; i < 5; i++)
97 y->vector[i] = y->scalar + i;
101 vlib_put_next_frame (vm, rt, /* next index */ 0, n_left);
104 vlib_cli_output (vm, "%v: return frame %p", node->name, f);
110 VLIB_REGISTER_NODE (my_node1,static) = {
112 .type = VLIB_NODE_TYPE_INPUT,
114 .scalar_size = sizeof (my_frame_t),
115 .vector_size = STRUCT_SIZE_OF (my_frame_t, vector[0]),
124 VLIB_REGISTER_NODE (my_node2,static) = {
127 .scalar_size = sizeof (my_frame_t),
128 .vector_size = STRUCT_SIZE_OF (my_frame_t, vector[0]),
140 } my_process_completion_type_t;
146 } my_process_event_data_t;
149 format_my_process_event_data (u8 * s, va_list * va)
151 my_process_event_data_t *d = va_arg (*va, my_process_event_data_t *);
152 return format (s, "{ a %d b %.6f}", d->a, d->b);
156 my_proc (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
161 node = vlib_get_node (vm, rt->node_index);
163 vlib_cli_output (vm, "%v: call frame %p", node->name, f);
165 for (i = 0; i < 5; i++)
167 vlib_cli_output (vm, "%v: %d", node->name, i);
168 vlib_process_suspend (vm, 1e0 /* secs */ );
171 vlib_cli_output (vm, "%v: return frame %p", node->name, f);
175 uword n_events_seen, type, *data = 0;
177 for (n_events_seen = 0; n_events_seen < 2;)
179 vlib_process_wait_for_event (vm);
180 type = vlib_process_get_events (vm, &data);
181 n_events_seen += vec_len (data);
182 vlib_cli_output (vm, "%U %v: completion #%d type %d data 0x%wx",
183 format_time_interval, "h:m:s:u",
184 vlib_time_now (vm), node->name, i, type, data[0]);
192 uword n_events_seen, i, type;
193 my_process_event_data_t *data;
194 for (n_events_seen = 0; n_events_seen < 2;)
196 vlib_process_wait_for_event (vm);
197 data = vlib_process_get_event_data (vm, &type);
198 vec_foreach_index (i, data)
200 vlib_cli_output (vm, "%U event type %d data %U",
201 format_time_interval, "h:m:s:u",
202 vlib_time_now (vm), type,
203 format_my_process_event_data, data);
205 n_events_seen += vec_len (data);
206 vlib_process_put_event_data (vm, data);
214 VLIB_REGISTER_NODE (my_proc_node,static) = {
216 .type = VLIB_NODE_TYPE_PROCESS,
222 my_proc_input (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
229 vlib_process_signal_event (vm, my_proc_node.index,
230 i == 1 ? MY_EVENT_TYPE1 : MY_EVENT_TYPE2,
234 my_process_event_data_t *d;
236 d = vlib_process_signal_event_at_time (vm,
245 d->b = vlib_time_now (vm);
249 vlib_node_set_state (vm, rt->node_index, VLIB_NODE_STATE_DISABLED);
255 VLIB_REGISTER_NODE (my_proc_input_node,static) = {
256 .function = my_proc_input,
257 .type = VLIB_NODE_TYPE_INPUT,
258 .name = "my-proc-input",
263 _unformat_farith (unformat_input_t * i, va_list * args)
265 u32 prec = va_arg (*args, u32);
266 f64 *result = va_arg (*args, f64 *);
269 /* Binary operations in from lowest to highest precedence. */
271 "+%U", "-%U", "/%U", "*%U", "^%U",
274 if (prec <= ARRAY_LEN (binops) - 1
275 && unformat_user (i, _unformat_farith, prec + 1, &tmp[0]))
278 for (p = prec; p < ARRAY_LEN (binops); p++)
280 if (unformat (i, binops[p], _unformat_farith, prec + 0, &tmp[1]))
282 switch (binops[p][0])
285 result[0] = tmp[0] + tmp[1];
288 result[0] = tmp[0] - tmp[1];
291 result[0] = tmp[0] / tmp[1];
294 result[0] = tmp[0] * tmp[1];
297 result[0] = pow (tmp[0], tmp[1]);
309 else if (unformat (i, "-%U", _unformat_farith, prec + 0, &tmp[0]))
315 else if (unformat (i, "(%U)", _unformat_farith, 0, &tmp[0]))
321 else if (unformat (i, "%f", result))
329 unformat_farith (unformat_input_t * i, va_list * args)
331 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
332 f64 *result = va_arg (*args, f64 *);
333 return unformat_user (i, _unformat_farith, 0, result);
337 unformat_integer (unformat_input_t * i, va_list * args)
339 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
340 u32 *data = va_arg (*args, u32 *);
341 return unformat (i, "%d", data);
344 static VLIB_CLI_PARSE_RULE (my_parse_rule1) =
346 .name = "decimal_integer",.short_help =
347 "a decimal integer",.unformat_function = unformat_integer,.data_size =
350 static VLIB_CLI_PARSE_RULE (my_parse_rule2) =
352 .name = "float_expression",.short_help =
353 "floating point expression",.unformat_function =
354 unformat_farith,.data_size = sizeof (f64),};
356 static clib_error_t *
357 bar_command (vlib_main_t * vm,
358 unformat_input_t * input, vlib_cli_command_t * cmd)
360 switch (cmd->function_arg)
365 d = vlib_cli_get_parse_rule_result (vm, 0);
366 e = vlib_cli_get_parse_rule_result (vm, 1);
367 vlib_cli_output (vm, "bar2 %d %d", d[0], e[0]);
373 u32 *d = vlib_cli_get_parse_rule_result (vm, 0);
374 vlib_cli_output (vm, "bar1 %d", d[0]);
380 f64 *d = vlib_cli_get_parse_rule_result (vm, 0);
381 vlib_cli_output (vm, "expr %.6f", d[0]);
389 VLIB_CLI_COMMAND (bar_command2, static) = {
390 .path = "bar %decimal_integer",
391 .short_help = "bar1 command",
392 .function = bar_command,
395 VLIB_CLI_COMMAND (bar_command1, static) = {
396 .path = "bar %decimal_integer %decimal_integer",
397 .short_help = "bar2 command",
398 .function = bar_command,
401 VLIB_CLI_COMMAND (bar_command3, static) = {
402 .path = "zap %float_expression",
403 .short_help = "bar3 command",
404 .function = bar_command,
412 * fd.io coding-style-patch-verification: ON
415 * eval: (c-set-style "gnu")