2 * Copyright (C) 2011 Felix Fietkau <nbd@openwrt.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License version 2.1
6 * as published by the Free Software Foundation
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
16 #include <libubox/blobmsg_json.h>
19 static struct blob_buf b
;
20 static int timeout
= 30;
21 static bool simple_output
= false;
22 static int verbose
= 0;
23 static int monitor_dir
= -1;
24 static uint32_t monitor_mask
;
25 static const char * const monitor_types
[] = {
26 [UBUS_MSG_HELLO
] = "hello",
27 [UBUS_MSG_STATUS
] = "status",
28 [UBUS_MSG_DATA
] = "data",
29 [UBUS_MSG_PING
] = "ping",
30 [UBUS_MSG_LOOKUP
] = "lookup",
31 [UBUS_MSG_INVOKE
] = "invoke",
32 [UBUS_MSG_ADD_OBJECT
] = "add_object",
33 [UBUS_MSG_REMOVE_OBJECT
] = "remove_object",
34 [UBUS_MSG_SUBSCRIBE
] = "subscribe",
35 [UBUS_MSG_UNSUBSCRIBE
] = "unsubscribe",
36 [UBUS_MSG_NOTIFY
] = "notify",
39 static const char *format_type(void *priv
, struct blob_attr
*attr
)
41 static const char * const attr_types
[] = {
42 [BLOBMSG_TYPE_INT8
] = "\"Boolean\"",
43 [BLOBMSG_TYPE_INT32
] = "\"Integer\"",
44 [BLOBMSG_TYPE_STRING
] = "\"String\"",
45 [BLOBMSG_TYPE_ARRAY
] = "\"Array\"",
46 [BLOBMSG_TYPE_TABLE
] = "\"Table\"",
48 const char *type
= NULL
;
51 if (blob_id(attr
) != BLOBMSG_TYPE_INT32
)
54 typeid = blobmsg_get_u32(attr
);
55 if (typeid < ARRAY_SIZE(attr_types
))
56 type
= attr_types
[typeid];
58 type
= "\"(unknown)\"";
63 static void receive_list_result(struct ubus_context
*ctx
, struct ubus_object_data
*obj
, void *priv
)
65 struct blob_attr
*cur
;
69 if (simple_output
|| !verbose
) {
70 printf("%s\n", obj
->path
);
74 printf("'%s' @%08x\n", obj
->path
, obj
->id
);
79 blob_for_each_attr(cur
, obj
->signature
, rem
) {
80 s
= blobmsg_format_json_with_cb(cur
, false, format_type
, NULL
, -1);
86 static void receive_call_result_data(struct ubus_request
*req
, int type
, struct blob_attr
*msg
)
92 str
= blobmsg_format_json_indent(msg
, true, simple_output
? -1 : 0);
97 static void receive_event(struct ubus_context
*ctx
, struct ubus_event_handler
*ev
,
98 const char *type
, struct blob_attr
*msg
)
102 str
= blobmsg_format_json(msg
, true);
103 printf("{ \"%s\": %s }\n", type
, str
);
108 static int ubus_cli_list(struct ubus_context
*ctx
, int argc
, char **argv
)
110 const char *path
= NULL
;
118 return ubus_lookup(ctx
, path
, receive_list_result
, NULL
);
121 static int ubus_cli_call(struct ubus_context
*ctx
, int argc
, char **argv
)
126 if (argc
< 2 || argc
> 3)
129 blob_buf_init(&b
, 0);
130 if (argc
== 3 && !blobmsg_add_json_from_string(&b
, argv
[2])) {
132 fprintf(stderr
, "Failed to parse message data\n");
136 ret
= ubus_lookup_id(ctx
, argv
[0], &id
);
140 return ubus_invoke(ctx
, id
, argv
[1], b
.head
, receive_call_result_data
, NULL
, timeout
* 1000);
143 static int ubus_cli_listen(struct ubus_context
*ctx
, int argc
, char **argv
)
145 static struct ubus_event_handler listener
;
149 memset(&listener
, 0, sizeof(listener
));
150 listener
.cb
= receive_event
;
160 ret
= ubus_register_event_handler(ctx
, &listener
, event
);
174 fprintf(stderr
, "Error while registering for event '%s': %s\n",
175 event
, ubus_strerror(ret
));
187 static int ubus_cli_send(struct ubus_context
*ctx
, int argc
, char **argv
)
189 if (argc
< 1 || argc
> 2)
192 blob_buf_init(&b
, 0);
194 if (argc
== 2 && !blobmsg_add_json_from_string(&b
, argv
[1])) {
196 fprintf(stderr
, "Failed to parse message data\n");
200 return ubus_send_event(ctx
, argv
[0], b
.head
);
203 struct cli_wait_data
{
204 struct uloop_timeout timeout
;
205 struct ubus_event_handler ev
;
210 static void wait_check_object(struct cli_wait_data
*data
, const char *path
)
214 for (i
= 0; i
< data
->n_pending
; i
++) {
215 if (strcmp(path
, data
->pending
[i
]) != 0)
219 if (i
== data
->n_pending
)
222 memmove(&data
->pending
[i
], &data
->pending
[i
+ 1],
223 (data
->n_pending
- i
) * sizeof(*data
->pending
));
227 if (!data
->n_pending
)
231 static void wait_event_cb(struct ubus_context
*ctx
, struct ubus_event_handler
*ev
,
232 const char *type
, struct blob_attr
*msg
)
234 static const struct blobmsg_policy policy
= {
235 "path", BLOBMSG_TYPE_STRING
237 struct cli_wait_data
*data
= container_of(ev
, struct cli_wait_data
, ev
);
238 struct blob_attr
*attr
;
241 if (strcmp(type
, "ubus.object.add") != 0)
244 blobmsg_parse(&policy
, 1, &attr
, blob_data(msg
), blob_len(msg
));
248 path
= blobmsg_data(attr
);
249 wait_check_object(data
, path
);
252 static void wait_list_cb(struct ubus_context
*ctx
, struct ubus_object_data
*obj
, void *priv
)
254 struct cli_wait_data
*data
= priv
;
256 wait_check_object(data
, obj
->path
);
260 static void wait_timeout(struct uloop_timeout
*timeout
)
265 static int ubus_cli_wait_for(struct ubus_context
*ctx
, int argc
, char **argv
)
267 struct cli_wait_data data
= {
268 .timeout
.cb
= wait_timeout
,
269 .ev
.cb
= wait_event_cb
,
281 ret
= ubus_lookup(ctx
, NULL
, wait_list_cb
, &data
);
288 ret
= ubus_register_event_handler(ctx
, &data
.ev
, "ubus.object.add");
292 uloop_timeout_set(&data
.timeout
, timeout
* 1000);
297 return UBUS_STATUS_TIMEOUT
;
303 ubus_cli_msg_type(uint32_t type
)
305 const char *ret
= NULL
;
306 static char unk_type
[16];
309 if (type
< ARRAY_SIZE(monitor_types
))
310 ret
= monitor_types
[type
];
313 snprintf(unk_type
, sizeof(unk_type
), "%d", type
);
321 ubus_cli_get_monitor_data(struct blob_attr
*data
)
323 static const struct blob_attr_info policy
[UBUS_ATTR_MAX
] = {
324 [UBUS_ATTR_STATUS
] = { .type
= BLOB_ATTR_INT32
},
325 [UBUS_ATTR_OBJPATH
] = { .type
= BLOB_ATTR_STRING
},
326 [UBUS_ATTR_OBJID
] = { .type
= BLOB_ATTR_INT32
},
327 [UBUS_ATTR_METHOD
] = { .type
= BLOB_ATTR_STRING
},
328 [UBUS_ATTR_OBJTYPE
] = { .type
= BLOB_ATTR_INT32
},
329 [UBUS_ATTR_SIGNATURE
] = { .type
= BLOB_ATTR_NESTED
},
330 [UBUS_ATTR_DATA
] = { .type
= BLOB_ATTR_NESTED
},
331 [UBUS_ATTR_ACTIVE
] = { .type
= BLOB_ATTR_INT8
},
332 [UBUS_ATTR_NO_REPLY
] = { .type
= BLOB_ATTR_INT8
},
333 [UBUS_ATTR_USER
] = { .type
= BLOB_ATTR_STRING
},
334 [UBUS_ATTR_GROUP
] = { .type
= BLOB_ATTR_STRING
},
336 static const char * const names
[UBUS_ATTR_MAX
] = {
337 [UBUS_ATTR_STATUS
] = "status",
338 [UBUS_ATTR_OBJPATH
] = "objpath",
339 [UBUS_ATTR_OBJID
] = "objid",
340 [UBUS_ATTR_METHOD
] = "method",
341 [UBUS_ATTR_OBJTYPE
] = "objtype",
342 [UBUS_ATTR_SIGNATURE
] = "signature",
343 [UBUS_ATTR_DATA
] = "data",
344 [UBUS_ATTR_ACTIVE
] = "active",
345 [UBUS_ATTR_NO_REPLY
] = "no_reply",
346 [UBUS_ATTR_USER
] = "user",
347 [UBUS_ATTR_GROUP
] = "group",
349 struct blob_attr
*tb
[UBUS_ATTR_MAX
];
352 blob_buf_init(&b
, 0);
353 blob_parse(data
, tb
, policy
, UBUS_ATTR_MAX
);
355 for (i
= 0; i
< UBUS_ATTR_MAX
; i
++) {
356 const char *n
= names
[i
];
357 struct blob_attr
*v
= tb
[i
];
362 switch(policy
[i
].type
) {
363 case BLOB_ATTR_INT32
:
364 blobmsg_add_u32(&b
, n
, blob_get_int32(v
));
366 case BLOB_ATTR_STRING
:
367 blobmsg_add_string(&b
, n
, blob_data(v
));
370 blobmsg_add_u8(&b
, n
, !!blob_get_int8(v
));
372 case BLOB_ATTR_NESTED
:
373 blobmsg_add_field(&b
, BLOBMSG_TYPE_TABLE
, n
, blobmsg_data(v
), blobmsg_data_len(v
));
378 return blobmsg_format_json(b
.head
, true);
382 ubus_cli_monitor_cb(struct ubus_context
*ctx
, uint32_t seq
, struct blob_attr
*msg
)
384 static const struct blob_attr_info policy
[UBUS_MONITOR_MAX
] = {
385 [UBUS_MONITOR_CLIENT
] = { .type
= BLOB_ATTR_INT32
},
386 [UBUS_MONITOR_PEER
] = { .type
= BLOB_ATTR_INT32
},
387 [UBUS_MONITOR_SEND
] = { .type
= BLOB_ATTR_INT8
},
388 [UBUS_MONITOR_TYPE
] = { .type
= BLOB_ATTR_INT32
},
389 [UBUS_MONITOR_DATA
] = { .type
= BLOB_ATTR_NESTED
},
391 struct blob_attr
*tb
[UBUS_MONITOR_MAX
];
392 uint32_t client
, peer
, type
;
396 blob_parse(msg
, tb
, policy
, UBUS_MONITOR_MAX
);
398 if (!tb
[UBUS_MONITOR_CLIENT
] ||
399 !tb
[UBUS_MONITOR_PEER
] ||
400 !tb
[UBUS_MONITOR_SEND
] ||
401 !tb
[UBUS_MONITOR_TYPE
] ||
402 !tb
[UBUS_MONITOR_DATA
]) {
403 printf("Invalid monitor msg\n");
407 send
= blob_get_int32(tb
[UBUS_MONITOR_SEND
]);
408 client
= blob_get_int32(tb
[UBUS_MONITOR_CLIENT
]);
409 peer
= blob_get_int32(tb
[UBUS_MONITOR_PEER
]);
410 type
= blob_get_int32(tb
[UBUS_MONITOR_TYPE
]);
412 if (monitor_mask
&& type
< 32 && !(monitor_mask
& (1 << type
)))
415 if (monitor_dir
>= 0 && send
!= monitor_dir
)
418 data
= ubus_cli_get_monitor_data(tb
[UBUS_MONITOR_DATA
]);
419 printf("%s %08x #%08x %14s: %s\n", send
? "->" : "<-", client
, peer
, ubus_cli_msg_type(type
), data
);
424 static int ubus_cli_monitor(struct ubus_context
*ctx
, int argc
, char **argv
)
430 ctx
->monitor_cb
= ubus_cli_monitor_cb
;
431 ret
= ubus_monitor_start(ctx
);
438 ubus_monitor_stop(ctx
);
442 static int add_monitor_type(const char *type
)
446 for (i
= 0; i
< ARRAY_SIZE(monitor_types
); i
++) {
447 if (!monitor_types
[i
] || strcmp(monitor_types
[i
], type
) != 0)
450 monitor_mask
|= 1 << i
;
457 static int usage(const char *prog
)
460 "Usage: %s [<options>] <command> [arguments...]\n"
462 " -s <socket>: Set the unix domain socket to connect to\n"
463 " -t <timeout>: Set the timeout (in seconds) for a command to complete\n"
464 " -S: Use simplified output (for scripts)\n"
465 " -v: More verbose output\n"
466 " -m <type>: (for monitor): include a specific message type\n"
467 " (can be used more than once)\n"
468 " -M <r|t> (for monitor): only capture received or transmitted traffic\n"
471 " - list [<path>] List objects\n"
472 " - call <path> <method> [<message>] Call an object method\n"
473 " - listen [<path>...] Listen for events\n"
474 " - send <type> [<message>] Send an event\n"
475 " - wait_for <object> [<object>...] Wait for multiple objects to appear on ubus\n"
476 " - monitor Monitor ubus traffic\n"
484 int (*cb
)(struct ubus_context
*ctx
, int argc
, char **argv
);
486 { "list", ubus_cli_list
},
487 { "call", ubus_cli_call
},
488 { "listen", ubus_cli_listen
},
489 { "send", ubus_cli_send
},
490 { "wait_for", ubus_cli_wait_for
},
491 { "monitor", ubus_cli_monitor
},
494 int main(int argc
, char **argv
)
496 const char *progname
, *ubus_socket
= NULL
;
497 static struct ubus_context
*ctx
;
504 while ((ch
= getopt(argc
, argv
, "m:M:vs:t:S")) != -1) {
507 ubus_socket
= optarg
;
510 timeout
= atoi(optarg
);
513 simple_output
= true;
519 if (add_monitor_type(optarg
))
520 return usage(progname
);
531 return usage(progname
);
535 return usage(progname
);
544 return usage(progname
);
546 ctx
= ubus_connect(ubus_socket
);
549 fprintf(stderr
, "Failed to connect to ubus\n");
557 for (i
= 0; i
< ARRAY_SIZE(commands
); i
++) {
558 if (strcmp(commands
[i
].name
, cmd
) != 0)
561 ret
= commands
[i
].cb(ctx
, argc
, argv
);
565 if (ret
> 0 && !simple_output
)
566 fprintf(stderr
, "Command failed: %s\n", ubus_strerror(ret
));