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;
23 static const char *format_type(void *priv
, struct blob_attr
*attr
)
25 static const char * const attr_types
[] = {
26 [BLOBMSG_TYPE_INT8
] = "\"Boolean\"",
27 [BLOBMSG_TYPE_INT32
] = "\"Integer\"",
28 [BLOBMSG_TYPE_STRING
] = "\"String\"",
30 const char *type
= NULL
;
33 if (blob_id(attr
) != BLOBMSG_TYPE_INT32
)
36 typeid = blobmsg_get_u32(attr
);
37 if (typeid < ARRAY_SIZE(attr_types
))
38 type
= attr_types
[typeid];
40 type
= "\"(unknown)\"";
45 static void receive_list_result(struct ubus_context
*ctx
, struct ubus_object_data
*obj
, void *priv
)
47 struct blob_attr
*cur
;
52 printf("%s\n", obj
->path
);
56 printf("'%s' @%08x\n", obj
->path
, obj
->id
);
61 blob_for_each_attr(cur
, obj
->signature
, rem
) {
62 s
= blobmsg_format_json_with_cb(cur
, false, format_type
, NULL
, -1);
68 static void receive_call_result_data(struct ubus_request
*req
, int type
, struct blob_attr
*msg
)
74 str
= blobmsg_format_json_indent(msg
, true, 0);
79 static void receive_event(struct ubus_context
*ctx
, struct ubus_event_handler
*ev
,
80 const char *type
, struct blob_attr
*msg
)
84 str
= blobmsg_format_json(msg
, true);
85 printf("{ \"%s\": %s }\n", type
, str
);
89 static int ubus_cli_list(struct ubus_context
*ctx
, int argc
, char **argv
)
91 const char *path
= NULL
;
99 return ubus_lookup(ctx
, path
, receive_list_result
, NULL
);
102 static int ubus_cli_call(struct ubus_context
*ctx
, int argc
, char **argv
)
107 if (argc
< 2 || argc
> 3)
110 blob_buf_init(&b
, 0);
111 if (argc
== 3 && !blobmsg_add_json_from_string(&b
, argv
[2])) {
113 fprintf(stderr
, "Failed to parse message data\n");
117 ret
= ubus_lookup_id(ctx
, argv
[0], &id
);
121 return ubus_invoke(ctx
, id
, argv
[1], b
.head
, receive_call_result_data
, NULL
, timeout
* 1000);
124 static int ubus_cli_listen(struct ubus_context
*ctx
, int argc
, char **argv
)
126 static struct ubus_event_handler listener
;
130 memset(&listener
, 0, sizeof(listener
));
131 listener
.cb
= receive_event
;
141 ret
= ubus_register_event_handler(ctx
, &listener
, event
);
155 fprintf(stderr
, "Error while registering for event '%s': %s\n",
156 event
, ubus_strerror(ret
));
168 static int ubus_cli_send(struct ubus_context
*ctx
, int argc
, char **argv
)
170 if (argc
< 1 || argc
> 2)
173 blob_buf_init(&b
, 0);
175 if (argc
== 2 && !blobmsg_add_json_from_string(&b
, argv
[1])) {
177 fprintf(stderr
, "Failed to parse message data\n");
181 return ubus_send_event(ctx
, argv
[0], b
.head
);
184 static int usage(const char *prog
)
187 "Usage: %s [<options>] <command> [arguments...]\n"
189 " -s <socket>: Set the unix domain socket to connect to\n"
190 " -t <timeout>: Set the timeout (in seconds) for a command to complete\n"
191 " -S: Use simplified output (for scripts)\n"
194 " - list [<path>] List objects\n"
195 " - call <path> <method> [<message>] Call an object method\n"
196 " - listen [<path>...] Listen for events\n"
197 " - send <type> [<message>] Send an event\n"
205 int (*cb
)(struct ubus_context
*ctx
, int argc
, char **argv
);
207 { "list", ubus_cli_list
},
208 { "call", ubus_cli_call
},
209 { "listen", ubus_cli_listen
},
210 { "send", ubus_cli_send
},
213 int main(int argc
, char **argv
)
215 const char *progname
, *ubus_socket
= NULL
;
216 static struct ubus_context
*ctx
;
223 while ((ch
= getopt(argc
, argv
, "s:t:S")) != -1) {
226 ubus_socket
= optarg
;
229 timeout
= atoi(optarg
);
232 simple_output
= true;
235 return usage(progname
);
244 return usage(progname
);
246 ctx
= ubus_connect(ubus_socket
);
249 fprintf(stderr
, "Failed to connect to ubus\n");
257 for (i
= 0; i
< ARRAY_SIZE(commands
); i
++) {
258 if (strcmp(commands
[i
].name
, cmd
) != 0)
261 ret
= commands
[i
].cb(ctx
, argc
, argv
);
265 if (ret
> 0 && !simple_output
)
266 fprintf(stderr
, "Command failed: %s\n", ubus_strerror(ret
));