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#include "libubus.h"
static struct blob_buf b;
static struct ubus_context *ctx;
static uint32_t objid;
static void receive_lookup(struct ubus_request *req, int type, struct blob_attr *msg)
{
struct blob_attr **attr, *cur;
char *s;
int rem;
attr = ubus_parse_msg(msg);
if (!attr[UBUS_ATTR_OBJID] || !attr[UBUS_ATTR_OBJPATH])
return;
fprintf(stderr, "'%s' @%08x\n",
(char *) blob_data(attr[UBUS_ATTR_OBJPATH]),
blob_get_int32(attr[UBUS_ATTR_OBJID]));
if (!attr[UBUS_ATTR_SIGNATURE])
return;
blob_for_each_attr(cur, attr[UBUS_ATTR_SIGNATURE], rem) {
s = blobmsg_format_json(cur, false);
fprintf(stderr, "\t%s\n", s);
free(s);
}
}
static void store_objid(struct ubus_request *req, int type, struct blob_attr *msg)
{
struct blob_attr **attr;
attr = ubus_parse_msg(msg);
if (!attr[UBUS_ATTR_OBJID])
return;
objid = blob_get_int32(attr[UBUS_ATTR_OBJID]);
}
static uint32_t get_object(const char *name)
{
struct ubus_request req;
blob_buf_init(&b, 0);
blob_put_string(&b, UBUS_ATTR_OBJPATH, name);
ubus_start_request(ctx, &req, b.head, UBUS_MSG_LOOKUP, 0);
req.data_cb = store_objid;
if (ubus_complete_request(ctx, &req))
return 0;
return objid;
}
static int usage(char *prog)
{
fprintf(stderr,
"Usage: %s <command> [arguments...]\n"
"Commands:\n"
" - list [<path>] List objects\n"
" - call <path> <method> [<message>] Call an object method\n"
"\n", prog);
return 1;
}
int main(int argc, char **argv)
{
struct ubus_request req;
char *cmd;
int ret;
ctx = ubus_connect(NULL);
if (!ctx) {
fprintf(stderr, "Failed to connect to ubus\n");
return -1;
}
cmd = argv[1];
if (argc < 2)
return usage(argv[0]);
if (!strcmp(cmd, "list")) {
blob_buf_init(&b, 0);
if (argc == 3)
blob_put_string(&b, UBUS_ATTR_OBJPATH, argv[2]);
ubus_start_request(ctx, &req, b.head, UBUS_MSG_LOOKUP, 0);
req.data_cb = receive_lookup;
} else if (!strcmp(cmd, "call")) {
if (argc < 4 || argc > 5)
return usage(argv[0]);
if (get_object(argv[2]) == 0) {
fprintf(stderr, "Object not found\n");
return 1;
}
blob_buf_init(&b, 0);
blob_put_int32(&b, UBUS_ATTR_OBJID, objid);
blob_put_string(&b, UBUS_ATTR_METHOD, argv[3]);
ubus_start_request(ctx, &req, b.head, UBUS_MSG_INVOKE, objid);
} else {
return usage(argv[0]);
}
ret = ubus_complete_request(ctx, &req);
if (ret)
fprintf(stderr, "Failed: %s\n", ubus_strerror(ret));
ubus_free(ctx);
return 0;
}
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