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- #include "libubus.h"
- static void receive_lookup(struct ubus_context *ctx, struct ubus_object_data *obj, void *priv)
- {
- struct blob_attr *cur;
- char *s;
- int rem;
- fprintf(stderr, "'%s' @%08x\n", obj->path, obj->id);
- if (!obj->signature)
- return;
- blob_for_each_attr(cur, obj->signature, rem) {
- s = blobmsg_format_json(cur, false);
- fprintf(stderr, "\t%s\n", s);
- free(s);
- }
- }
- static void receive_data(struct ubus_request *req, int type, struct blob_attr *msg)
- {
- if (!msg)
- return;
- fprintf(stderr, "%s\n", blobmsg_format_json(msg, true));
- }
- 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"
- " - listen [<path>...] Listen for events\n"
- "\n", prog);
- return 1;
- }
- int main(int argc, char **argv)
- {
- static struct ubus_context *ctx;
- 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")) {
- const char *path = NULL;
- if (argc == 3)
- path = argv[2];
- ret = ubus_lookup(ctx, path, receive_lookup, NULL);
- } else if (!strcmp(cmd, "call")) {
- uint32_t id;
- if (argc < 4 || argc > 5)
- return usage(argv[0]);
- ret = ubus_lookup_id(ctx, argv[2], &id);
- if (!ret)
- ret = ubus_invoke(ctx, id, argv[3], NULL, receive_data, NULL);
- } else if (!strcmp(cmd, "listen")) {
- ret = ubus_invoke(ctx, UBUS_SYSTEM_OBJECT_EVENT, "listen", NULL, receive_data, NULL);
- } else {
- return usage(argv[0]);
- }
- if (ret)
- fprintf(stderr, "Failed: %s\n", ubus_strerror(ret));
- ubus_free(ctx);
- return ret;
- }
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