4 static struct blob_buf b;
7 static bool blobmsg_add_element(struct blob_buf *b, const char *name, json_object *obj);
9 static bool blobmsg_add_object(struct blob_buf *b, json_object *obj)
11 json_object_object_foreach(obj, key, val) {
12 if (!blobmsg_add_element(b, key, val))
18 static bool blobmsg_add_array(struct blob_buf *b, struct array_list *a)
22 for (i = 0, len = array_list_length(a); i < len; i++) {
23 if (!blobmsg_add_element(b, NULL, array_list_get_idx(a, i)))
30 static bool blobmsg_add_element(struct blob_buf *b, const char *name, json_object *obj)
38 switch (json_object_get_type(obj)) {
39 case json_type_object:
40 c = blobmsg_open_table(b, name);
41 ret = blobmsg_add_object(b, obj);
42 blobmsg_close_table(b, c);
45 c = blobmsg_open_array(b, name);
46 ret = blobmsg_add_array(b, json_object_get_array(obj));
47 blobmsg_close_array(b, c);
49 case json_type_string:
50 blobmsg_add_string(b, name, json_object_get_string(obj));
52 case json_type_boolean:
53 blobmsg_add_u8(b, name, json_object_get_boolean(obj));
56 blobmsg_add_u32(b, name, json_object_get_int(obj));
64 static bool blobmsg_from_json(struct blob_buf *b, const char *str)
69 obj = json_tokener_parse(str);
73 if (json_object_get_type(obj) != json_type_object)
76 ret = blobmsg_add_object(b, obj);
83 static void receive_lookup(struct ubus_context *ctx, struct ubus_object_data *obj, void *priv)
85 struct blob_attr *cur;
89 fprintf(stderr, "'%s' @%08x\n", obj->path, obj->id);
94 blob_for_each_attr(cur, obj->signature, rem) {
95 s = blobmsg_format_json(cur, false);
96 fprintf(stderr, "\t%s\n", s);
101 static void receive_data(struct ubus_request *req, int type, struct blob_attr *msg)
107 str = blobmsg_format_json(msg, true);
108 fprintf(stderr, "%s\n", str);
113 static int usage(char *prog)
116 "Usage: %s <command> [arguments...]\n"
118 " - list [<path>] List objects\n"
119 " - call <path> <method> [<message>] Call an object method\n"
120 " - listen [<path>...] Listen for events\n"
125 static void receive_event(struct ubus_context *ctx, struct ubus_event_handler *ev,
126 const char *type, struct blob_attr *msg)
131 str = blobmsg_format_json(msg, true);
135 fprintf(stderr, "\"%s\":{ %s }\n", type, str);
139 static int ubus_cli_listen(struct ubus_context *ctx, int argc, char **argv)
141 static struct ubus_event_handler listener;
145 memset(&listener, 0, sizeof(listener));
146 listener.cb = receive_event;
150 ret = ubus_register_event_handler(ctx, &listener, NULL);
153 for (;argc;argv++, argc--) {
155 ret = ubus_register_event_handler(ctx, &listener, argv[0]);
161 fprintf(stderr, "Error while registering for event '%s': %s\n",
162 event, ubus_strerror(ret));
173 int main(int argc, char **argv)
175 static struct ubus_context *ctx;
179 ctx = ubus_connect(NULL);
181 fprintf(stderr, "Failed to connect to ubus\n");
187 return usage(argv[0]);
189 if (!strcmp(cmd, "list")) {
190 const char *path = NULL;
195 ret = ubus_lookup(ctx, path, receive_lookup, NULL);
196 } else if (!strcmp(cmd, "call")) {
199 if (argc < 4 || argc > 5)
200 return usage(argv[0]);
202 blob_buf_init(&b, 0);
203 if (argc == 5 && !blobmsg_from_json(&b, argv[4])) {
204 fprintf(stderr, "Failed to parse message data\n");
208 ret = ubus_lookup_id(ctx, argv[2], &id);
210 ret = ubus_invoke(ctx, id, argv[3], b.head, receive_data, NULL);
211 } else if (!strcmp(cmd, "listen")) {
212 ret = ubus_cli_listen(ctx, argc - 2, argv + 2);
214 return usage(argv[0]);
218 fprintf(stderr, "Failed: %s\n", ubus_strerror(ret));