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;
24 static const char *format_type(void *priv, struct blob_attr *attr)
26 static const char * const attr_types[] = {
27 [BLOBMSG_TYPE_INT8] = "\"Boolean\"",
28 [BLOBMSG_TYPE_INT32] = "\"Integer\"",
29 [BLOBMSG_TYPE_STRING] = "\"String\"",
31 const char *type = NULL;
34 if (blob_id(attr) != BLOBMSG_TYPE_INT32)
37 typeid = blobmsg_get_u32(attr);
38 if (typeid < ARRAY_SIZE(attr_types))
39 type = attr_types[typeid];
41 type = "\"(unknown)\"";
46 static void receive_list_result(struct ubus_context *ctx, struct ubus_object_data *obj, void *priv)
48 struct blob_attr *cur;
52 if (simple_output || !verbose) {
53 printf("%s\n", obj->path);
57 printf("'%s' @%08x\n", obj->path, obj->id);
62 blob_for_each_attr(cur, obj->signature, rem) {
63 s = blobmsg_format_json_with_cb(cur, false, format_type, NULL, -1);
69 static void receive_call_result_data(struct ubus_request *req, int type, struct blob_attr *msg)
75 str = blobmsg_format_json_indent(msg, true, simple_output ? -1 : 0);
80 static void receive_event(struct ubus_context *ctx, struct ubus_event_handler *ev,
81 const char *type, struct blob_attr *msg)
85 str = blobmsg_format_json(msg, true);
86 printf("{ \"%s\": %s }\n", type, str);
90 static int ubus_cli_list(struct ubus_context *ctx, int argc, char **argv)
92 const char *path = NULL;
100 return ubus_lookup(ctx, path, receive_list_result, NULL);
103 static int ubus_cli_call(struct ubus_context *ctx, int argc, char **argv)
108 if (argc < 2 || argc > 3)
111 blob_buf_init(&b, 0);
112 if (argc == 3 && !blobmsg_add_json_from_string(&b, argv[2])) {
114 fprintf(stderr, "Failed to parse message data\n");
118 ret = ubus_lookup_id(ctx, argv[0], &id);
122 return ubus_invoke(ctx, id, argv[1], b.head, receive_call_result_data, NULL, timeout * 1000);
125 static int ubus_cli_listen(struct ubus_context *ctx, int argc, char **argv)
127 static struct ubus_event_handler listener;
131 memset(&listener, 0, sizeof(listener));
132 listener.cb = receive_event;
142 ret = ubus_register_event_handler(ctx, &listener, event);
156 fprintf(stderr, "Error while registering for event '%s': %s\n",
157 event, ubus_strerror(ret));
169 static int ubus_cli_send(struct ubus_context *ctx, int argc, char **argv)
171 if (argc < 1 || argc > 2)
174 blob_buf_init(&b, 0);
176 if (argc == 2 && !blobmsg_add_json_from_string(&b, argv[1])) {
178 fprintf(stderr, "Failed to parse message data\n");
182 return ubus_send_event(ctx, argv[0], b.head);
185 static int usage(const char *prog)
188 "Usage: %s [<options>] <command> [arguments...]\n"
190 " -s <socket>: Set the unix domain socket to connect to\n"
191 " -t <timeout>: Set the timeout (in seconds) for a command to complete\n"
192 " -S: Use simplified output (for scripts)\n"
193 " -v: More verbose output\n"
196 " - list [<path>] List objects\n"
197 " - call <path> <method> [<message>] Call an object method\n"
198 " - listen [<path>...] Listen for events\n"
199 " - send <type> [<message>] Send an event\n"
207 int (*cb)(struct ubus_context *ctx, int argc, char **argv);
209 { "list", ubus_cli_list },
210 { "call", ubus_cli_call },
211 { "listen", ubus_cli_listen },
212 { "send", ubus_cli_send },
215 int main(int argc, char **argv)
217 const char *progname, *ubus_socket = NULL;
218 static struct ubus_context *ctx;
225 while ((ch = getopt(argc, argv, "vs:t:S")) != -1) {
228 ubus_socket = optarg;
231 timeout = atoi(optarg);
234 simple_output = true;
240 return usage(progname);
249 return usage(progname);
251 ctx = ubus_connect(ubus_socket);
254 fprintf(stderr, "Failed to connect to ubus\n");
262 for (i = 0; i < ARRAY_SIZE(commands); i++) {
263 if (strcmp(commands[i].name, cmd) != 0)
266 ret = commands[i].cb(ctx, argc, argv);
270 if (ret > 0 && !simple_output)
271 fprintf(stderr, "Command failed: %s\n", ubus_strerror(ret));