+ return ret;
+
+ uloop_timeout_set(&data.timeout, timeout * 1000);
+ uloop_run();
+ uloop_done();
+
+ if (data.n_pending)
+ return UBUS_STATUS_TIMEOUT;
+
+ return ret;
+}
+
+static const char *
+ubus_cli_msg_type(uint32_t type)
+{
+ const char *ret = NULL;
+ static char unk_type[16];
+
+
+ if (type < ARRAY_SIZE(monitor_types))
+ ret = monitor_types[type];
+
+ if (!ret) {
+ snprintf(unk_type, sizeof(unk_type), "%d", type);
+ ret = unk_type;
+ }
+
+ return ret;
+}
+
+static char *
+ubus_cli_get_monitor_data(struct blob_attr *data)
+{
+ static const struct blob_attr_info policy[UBUS_ATTR_MAX] = {
+ [UBUS_ATTR_STATUS] = { .type = BLOB_ATTR_INT32 },
+ [UBUS_ATTR_OBJPATH] = { .type = BLOB_ATTR_STRING },
+ [UBUS_ATTR_OBJID] = { .type = BLOB_ATTR_INT32 },
+ [UBUS_ATTR_METHOD] = { .type = BLOB_ATTR_STRING },
+ [UBUS_ATTR_OBJTYPE] = { .type = BLOB_ATTR_INT32 },
+ [UBUS_ATTR_SIGNATURE] = { .type = BLOB_ATTR_NESTED },
+ [UBUS_ATTR_DATA] = { .type = BLOB_ATTR_NESTED },
+ [UBUS_ATTR_ACTIVE] = { .type = BLOB_ATTR_INT8 },
+ [UBUS_ATTR_NO_REPLY] = { .type = BLOB_ATTR_INT8 },
+ [UBUS_ATTR_USER] = { .type = BLOB_ATTR_STRING },
+ [UBUS_ATTR_GROUP] = { .type = BLOB_ATTR_STRING },
+ };
+ static const char * const names[UBUS_ATTR_MAX] = {
+ [UBUS_ATTR_STATUS] = "status",
+ [UBUS_ATTR_OBJPATH] = "objpath",
+ [UBUS_ATTR_OBJID] = "objid",
+ [UBUS_ATTR_METHOD] = "method",
+ [UBUS_ATTR_OBJTYPE] = "objtype",
+ [UBUS_ATTR_SIGNATURE] = "signature",
+ [UBUS_ATTR_DATA] = "data",
+ [UBUS_ATTR_ACTIVE] = "active",
+ [UBUS_ATTR_NO_REPLY] = "no_reply",
+ [UBUS_ATTR_USER] = "user",
+ [UBUS_ATTR_GROUP] = "group",
+ };
+ struct blob_attr *tb[UBUS_ATTR_MAX];
+ int i;
+
+ blob_buf_init(&b, 0);
+ blob_parse(data, tb, policy, UBUS_ATTR_MAX);
+
+ for (i = 0; i < UBUS_ATTR_MAX; i++) {
+ const char *n = names[i];
+ struct blob_attr *v = tb[i];
+
+ if (!tb[i] || !n)
+ continue;
+
+ switch(policy[i].type) {
+ case BLOB_ATTR_INT32:
+ blobmsg_add_u32(&b, n, blob_get_int32(v));
+ break;
+ case BLOB_ATTR_STRING:
+ blobmsg_add_string(&b, n, blob_data(v));
+ break;
+ case BLOB_ATTR_INT8:
+ blobmsg_add_u8(&b, n, !!blob_get_int8(v));
+ break;
+ case BLOB_ATTR_NESTED:
+ blobmsg_add_field(&b, BLOBMSG_TYPE_TABLE, n, blobmsg_data(v), blobmsg_data_len(v));
+ break;
+ }
+ }
+
+ return blobmsg_format_json(b.head, true);
+}
+
+static void
+ubus_cli_monitor_cb(struct ubus_context *ctx, uint32_t seq, struct blob_attr *msg)
+{
+ static const struct blob_attr_info policy[UBUS_MONITOR_MAX] = {
+ [UBUS_MONITOR_CLIENT] = { .type = BLOB_ATTR_INT32 },
+ [UBUS_MONITOR_PEER] = { .type = BLOB_ATTR_INT32 },
+ [UBUS_MONITOR_SEND] = { .type = BLOB_ATTR_INT8 },
+ [UBUS_MONITOR_TYPE] = { .type = BLOB_ATTR_INT32 },
+ [UBUS_MONITOR_DATA] = { .type = BLOB_ATTR_NESTED },
+ };
+ struct blob_attr *tb[UBUS_MONITOR_MAX];
+ uint32_t client, peer, type;
+ bool send;
+ char *data;
+
+ blob_parse(msg, tb, policy, UBUS_MONITOR_MAX);
+
+ if (!tb[UBUS_MONITOR_CLIENT] ||
+ !tb[UBUS_MONITOR_PEER] ||
+ !tb[UBUS_MONITOR_SEND] ||
+ !tb[UBUS_MONITOR_TYPE] ||
+ !tb[UBUS_MONITOR_DATA]) {
+ printf("Invalid monitor msg\n");
+ return;
+ }
+
+ send = blob_get_int32(tb[UBUS_MONITOR_SEND]);
+ client = blob_get_int32(tb[UBUS_MONITOR_CLIENT]);
+ peer = blob_get_int32(tb[UBUS_MONITOR_PEER]);
+ type = blob_get_int32(tb[UBUS_MONITOR_TYPE]);
+
+ if (monitor_mask && type < 32 && !(monitor_mask & (1 << type)))
+ return;
+
+ if (monitor_dir >= 0 && send != monitor_dir)
+ return;
+
+ data = ubus_cli_get_monitor_data(tb[UBUS_MONITOR_DATA]);
+ printf("%s %08x #%08x %14s: %s\n", send ? "->" : "<-", client, peer, ubus_cli_msg_type(type), data);
+ free(data);
+ fflush(stdout);
+}
+
+static int ubus_cli_monitor(struct ubus_context *ctx, int argc, char **argv)
+{
+ int ret;
+
+ uloop_init();
+ ubus_add_uloop(ctx);
+ ctx->monitor_cb = ubus_cli_monitor_cb;
+ ret = ubus_monitor_start(ctx);
+ if (ret)
+ return ret;
+
+ uloop_run();
+ uloop_done();
+
+ ubus_monitor_stop(ctx);
+ return 0;
+}
+
+static int add_monitor_type(const char *type)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(monitor_types); i++) {
+ if (!monitor_types[i] || strcmp(monitor_types[i], type) != 0)
+ continue;
+
+ monitor_mask |= 1 << i;
+ return 0;
+ }
+
+ return -1;
+}
+
+static int usage(const char *prog)
+{
+ fprintf(stderr,
+ "Usage: %s [<options>] <command> [arguments...]\n"
+ "Options:\n"
+ " -s <socket>: Set the unix domain socket to connect to\n"
+ " -t <timeout>: Set the timeout (in seconds) for a command to complete\n"
+ " -S: Use simplified output (for scripts)\n"
+ " -v: More verbose output\n"
+ " -m <type>: (for monitor): include a specific message type\n"
+ " (can be used more than once)\n"
+ " -M <r|t> (for monitor): only capture received or transmitted traffic\n"
+ "\n"
+ "Commands:\n"
+ " - list [<path>] List objects\n"
+ " - call <path> <method> [<message>] Call an object method\n"
+ " - listen [<path>...] Listen for events\n"
+ " - send <type> [<message>] Send an event\n"
+ " - wait_for <object> [<object>...] Wait for multiple objects to appear on ubus\n"
+ " - monitor Monitor ubus traffic\n"
+ "\n", prog);
+ return 1;
+}
+
+
+static struct {
+ const char *name;
+ int (*cb)(struct ubus_context *ctx, int argc, char **argv);
+} commands[] = {
+ { "list", ubus_cli_list },
+ { "call", ubus_cli_call },
+ { "listen", ubus_cli_listen },
+ { "send", ubus_cli_send },
+ { "wait_for", ubus_cli_wait_for },
+ { "monitor", ubus_cli_monitor },
+};
+
+int main(int argc, char **argv)
+{
+ const char *progname, *ubus_socket = NULL;
+ struct ubus_context *ctx;
+ char *cmd;
+ int ret = 0;
+ int i, ch;
+
+ progname = argv[0];
+
+ while ((ch = getopt(argc, argv, "m:M:vs:t:S")) != -1) {
+ switch (ch) {
+ case 's':
+ ubus_socket = optarg;
+ break;
+ case 't':
+ timeout = atoi(optarg);
+ break;
+ case 'S':
+ simple_output = true;
+ break;
+ case 'v':
+ verbose++;
+ break;
+ case 'm':
+ if (add_monitor_type(optarg))
+ return usage(progname);
+ break;
+ case 'M':
+ switch (optarg[0]) {
+ case 'r':
+ monitor_dir = 0;
+ break;
+ case 't':
+ monitor_dir = 1;
+ break;
+ default:
+ return usage(progname);
+ }
+ break;
+ default:
+ return usage(progname);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ cmd = argv[0];
+ if (argc < 1)
+ return usage(progname);
+
+ ctx = ubus_connect(ubus_socket);
+ if (!ctx) {
+ if (!simple_output)
+ fprintf(stderr, "Failed to connect to ubus\n");
+ return -1;
+ }
+
+ argv++;
+ argc--;
+
+ ret = -2;
+ for (i = 0; i < ARRAY_SIZE(commands); i++) {
+ if (strcmp(commands[i].name, cmd) != 0)
+ continue;
+
+ ret = commands[i].cb(ctx, argc, argv);
+ break;
+ }
+
+ if (ret > 0 && !simple_output)
+ fprintf(stderr, "Command failed: %s\n", ubus_strerror(ret));
+ else if (ret == -2)
+ usage(progname);