3 #include <libubox/blobmsg_json.h>
6 static struct blob_buf b;
8 static const char * const attr_types[] = {
9 [BLOBMSG_TYPE_INT32] = "\"Integer\"",
10 [BLOBMSG_TYPE_STRING] = "\"String\"",
13 static const char *format_type(void *priv, struct blob_attr *attr)
15 const char *type = NULL;
18 if (blob_id(attr) != BLOBMSG_TYPE_INT32)
21 typeid = blobmsg_get_u32(attr);
22 if (typeid < ARRAY_SIZE(attr_types))
23 type = attr_types[typeid];
25 type = "\"(unknown)\"";
30 static void receive_lookup(struct ubus_context *ctx, struct ubus_object_data *obj, void *priv)
32 struct blob_attr *cur;
36 fprintf(stderr, "'%s' @%08x\n", obj->path, obj->id);
41 blob_for_each_attr(cur, obj->signature, rem) {
42 s = blobmsg_format_json_with_cb(cur, false, format_type, NULL);
43 fprintf(stderr, "\t%s\n", s);
48 static void receive_data(struct ubus_request *req, int type, struct blob_attr *msg)
54 str = blobmsg_format_json(msg, true);
55 fprintf(stderr, "%s\n", str);
60 static void receive_event(struct ubus_context *ctx, struct ubus_event_handler *ev,
61 const char *type, struct blob_attr *msg)
65 str = blobmsg_format_json(msg, true);
66 printf("\"%s\": %s\n", type, str);
70 static int ubus_cli_listen(struct ubus_context *ctx, int argc, char **argv)
72 static struct ubus_event_handler listener;
76 memset(&listener, 0, sizeof(listener));
77 listener.cb = receive_event;
81 ret = ubus_register_event_handler(ctx, &listener, NULL);
84 for (;argc;argv++, argc--) {
86 ret = ubus_register_event_handler(ctx, &listener, argv[0]);
92 fprintf(stderr, "Error while registering for event '%s': %s\n",
93 event, ubus_strerror(ret));
104 static int ubus_cli_send(struct ubus_context *ctx, int argc, char **argv)
106 blob_buf_init(&b, 0);
107 if (argc == 2 && !blobmsg_add_json_from_string(&b, argv[1])) {
108 fprintf(stderr, "Failed to parse message data\n");
109 return UBUS_STATUS_INVALID_ARGUMENT;
112 return ubus_send_event(ctx, argv[0], b.head);
115 static int usage(const char *prog)
118 "Usage: %s [<options>] <command> [arguments...]\n"
120 " -s <socket>: Set the unix domain socket to connect to\n"
123 " - list [<path>] List objects\n"
124 " - call <path> <method> [<message>] Call an object method\n"
125 " - listen [<path>...] Listen for events\n"
126 " - send <type> [<message>] Send an event\n"
131 int main(int argc, char **argv)
133 const char *progname, *ubus_socket = NULL;
134 static struct ubus_context *ctx;
141 while ((ch = getopt(argc, argv, "s:")) != -1) {
144 ubus_socket = optarg;
147 return usage(progname);
154 ctx = ubus_connect(ubus_socket);
156 fprintf(stderr, "Failed to connect to ubus\n");
162 return usage(progname);
167 if (!strcmp(cmd, "list")) {
168 const char *path = NULL;
173 ret = ubus_lookup(ctx, path, receive_lookup, NULL);
174 } else if (!strcmp(cmd, "call")) {
177 if (argc < 2 || argc > 3)
178 return usage(progname);
180 blob_buf_init(&b, 0);
181 if (argc == 3 && !blobmsg_add_json_from_string(&b, argv[2])) {
182 fprintf(stderr, "Failed to parse message data\n");
186 ret = ubus_lookup_id(ctx, argv[0], &id);
188 ret = ubus_invoke(ctx, id, argv[1], b.head, receive_data, NULL);
189 } else if (!strcmp(cmd, "listen")) {
190 ret = ubus_cli_listen(ctx, argc, argv);
191 } else if (!strcmp(cmd, "send")) {
192 if (argc < 1 || argc > 2)
193 return usage(progname);
194 ret = ubus_cli_send(ctx, argc, argv);
196 return usage(progname);
200 fprintf(stderr, "Failed: %s\n", ubus_strerror(ret));