+/*
+ * Copyright (C) 2011 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <unistd.h>
+
+#include <libubox/blobmsg_json.h>
#include "libubus.h"
static struct blob_buf b;
-static struct ubus_context *ctx;
-static uint32_t objid;
+static int timeout = 30;
+static bool simple_output = false;
+static int verbose = 0;
+
+static const char *format_type(void *priv, struct blob_attr *attr)
+{
+ static const char * const attr_types[] = {
+ [BLOBMSG_TYPE_INT8] = "\"Boolean\"",
+ [BLOBMSG_TYPE_INT32] = "\"Integer\"",
+ [BLOBMSG_TYPE_STRING] = "\"String\"",
+ [BLOBMSG_TYPE_ARRAY] = "\"Array\"",
+ [BLOBMSG_TYPE_TABLE] = "\"Table\"",
+ };
+ const char *type = NULL;
+ int typeid;
+
+ if (blob_id(attr) != BLOBMSG_TYPE_INT32)
+ return NULL;
+
+ typeid = blobmsg_get_u32(attr);
+ if (typeid < ARRAY_SIZE(attr_types))
+ type = attr_types[typeid];
+ if (!type)
+ type = "\"(unknown)\"";
+
+ return type;
+}
-static void receive_lookup(struct ubus_request *req, int type, struct blob_attr *msg)
+static void receive_list_result(struct ubus_context *ctx, struct ubus_object_data *obj, void *priv)
{
- struct blob_attr **attr, *cur;
+ struct blob_attr *cur;
char *s;
int rem;
- attr = ubus_parse_msg(msg);
- if (!attr[UBUS_ATTR_OBJID] || !attr[UBUS_ATTR_OBJPATH])
+ if (simple_output || !verbose) {
+ printf("%s\n", obj->path);
return;
+ }
- fprintf(stderr, "'%s' @%08x\n",
- (char *) blob_data(attr[UBUS_ATTR_OBJPATH]),
- blob_get_int32(attr[UBUS_ATTR_OBJID]));
+ printf("'%s' @%08x\n", obj->path, obj->id);
- if (!attr[UBUS_ATTR_SIGNATURE])
+ if (!obj->signature)
return;
- blob_for_each_attr(cur, attr[UBUS_ATTR_SIGNATURE], rem) {
- s = blobmsg_format_json(cur, false);
- fprintf(stderr, "\t%s\n", s);
+ blob_for_each_attr(cur, obj->signature, rem) {
+ s = blobmsg_format_json_with_cb(cur, false, format_type, NULL, -1);
+ printf("\t%s\n", s);
free(s);
}
}
-static void store_objid(struct ubus_request *req, int type, struct blob_attr *msg)
+static void receive_call_result_data(struct ubus_request *req, int type, struct blob_attr *msg)
{
- struct blob_attr **attr;
-
- attr = ubus_parse_msg(msg);
- if (!attr[UBUS_ATTR_OBJID])
+ char *str;
+ if (!msg)
return;
- objid = blob_get_int32(attr[UBUS_ATTR_OBJID]);
+ str = blobmsg_format_json_indent(msg, true, simple_output ? -1 : 0);
+ printf("%s\n", str);
+ free(str);
+}
+
+static void receive_event(struct ubus_context *ctx, struct ubus_event_handler *ev,
+ const char *type, struct blob_attr *msg)
+{
+ char *str;
+
+ str = blobmsg_format_json(msg, true);
+ printf("{ \"%s\": %s }\n", type, str);
+ fflush(stdout);
+ free(str);
}
-static uint32_t get_object(const char *name)
+static int ubus_cli_list(struct ubus_context *ctx, int argc, char **argv)
{
- struct ubus_request req;
+ const char *path = NULL;
+
+ if (argc > 1)
+ return -2;
+
+ if (argc == 1)
+ path = argv[0];
+
+ return ubus_lookup(ctx, path, receive_list_result, NULL);
+}
+
+static int ubus_cli_call(struct ubus_context *ctx, int argc, char **argv)
+{
+ uint32_t id;
+ int ret;
+
+ if (argc < 2 || argc > 3)
+ return -2;
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;
+ if (argc == 3 && !blobmsg_add_json_from_string(&b, argv[2])) {
+ if (!simple_output)
+ fprintf(stderr, "Failed to parse message data\n");
+ return -1;
+ }
- return objid;
+ ret = ubus_lookup_id(ctx, argv[0], &id);
+ if (ret)
+ return ret;
+
+ return ubus_invoke(ctx, id, argv[1], b.head, receive_call_result_data, NULL, timeout * 1000);
}
-static int usage(char *prog)
+static int ubus_cli_listen(struct ubus_context *ctx, int argc, char **argv)
+{
+ static struct ubus_event_handler listener;
+ const char *event;
+ int ret = 0;
+
+ memset(&listener, 0, sizeof(listener));
+ listener.cb = receive_event;
+
+ if (argc > 0) {
+ event = argv[0];
+ } else {
+ event = "*";
+ argc = 1;
+ }
+
+ do {
+ ret = ubus_register_event_handler(ctx, &listener, event);
+ if (ret)
+ break;
+
+ argv++;
+ argc--;
+ if (argc <= 0)
+ break;
+
+ event = argv[0];
+ } while (1);
+
+ if (ret) {
+ if (!simple_output)
+ fprintf(stderr, "Error while registering for event '%s': %s\n",
+ event, ubus_strerror(ret));
+ return -1;
+ }
+
+ uloop_init();
+ ubus_add_uloop(ctx);
+ uloop_run();
+ uloop_done();
+
+ return 0;
+}
+
+static int ubus_cli_send(struct ubus_context *ctx, int argc, char **argv)
+{
+ if (argc < 1 || argc > 2)
+ return -2;
+
+ blob_buf_init(&b, 0);
+
+ if (argc == 2 && !blobmsg_add_json_from_string(&b, argv[1])) {
+ if (!simple_output)
+ fprintf(stderr, "Failed to parse message data\n");
+ return -1;
+ }
+
+ return ubus_send_event(ctx, argv[0], b.head);
+}
+
+struct cli_wait_data {
+ struct uloop_timeout timeout;
+ struct ubus_event_handler ev;
+ char **pending;
+ int n_pending;
+};
+
+static void wait_check_object(struct cli_wait_data *data, const char *path)
+{
+ int i;
+
+ for (i = 0; i < data->n_pending; i++) {
+ if (strcmp(path, data->pending[i]) != 0)
+ continue;
+
+ data->n_pending--;
+ if (i == data->n_pending)
+ break;
+
+ memmove(&data->pending[i], &data->pending[i + 1],
+ (data->n_pending - i) * sizeof(*data->pending));
+ i--;
+ }
+
+ if (!data->n_pending)
+ uloop_end();
+}
+
+static void wait_event_cb(struct ubus_context *ctx, struct ubus_event_handler *ev,
+ const char *type, struct blob_attr *msg)
+{
+ static const struct blobmsg_policy policy = {
+ "path", BLOBMSG_TYPE_STRING
+ };
+ struct cli_wait_data *data = container_of(ev, struct cli_wait_data, ev);
+ struct blob_attr *attr;
+ const char *path;
+
+ if (strcmp(type, "ubus.object.add") != 0)
+ return;
+
+ blobmsg_parse(&policy, 1, &attr, blob_data(msg), blob_len(msg));
+ if (!attr)
+ return;
+
+ path = blobmsg_data(attr);
+ wait_check_object(data, path);
+}
+
+static void wait_list_cb(struct ubus_context *ctx, struct ubus_object_data *obj, void *priv)
+{
+ struct cli_wait_data *data = priv;
+
+ wait_check_object(data, obj->path);
+}
+
+
+static void wait_timeout(struct uloop_timeout *timeout)
+{
+ uloop_end();
+}
+
+static int ubus_cli_wait_for(struct ubus_context *ctx, int argc, char **argv)
+{
+ struct cli_wait_data data = {
+ .timeout.cb = wait_timeout,
+ .ev.cb = wait_event_cb,
+ .pending = argv,
+ .n_pending = argc,
+ };
+ int ret;
+
+ if (argc < 1)
+ return -2;
+
+ uloop_init();
+ ubus_add_uloop(ctx);
+
+ ret = ubus_lookup(ctx, NULL, wait_list_cb, &data);
+ if (ret)
+ return ret;
+
+ if (!data.n_pending)
+ return ret;
+
+ ret = ubus_register_event_handler(ctx, &data.ev, "ubus.object.add");
+ if (ret)
+ return ret;
+
+ uloop_timeout_set(&data.timeout, timeout * 1000);
+ uloop_run();
+ uloop_done();
+
+ if (data.n_pending)
+ return UBUS_STATUS_TIMEOUT;
+
+ return ret;
+}
+
+
+static int usage(const char *prog)
{
fprintf(stderr,
- "Usage: %s <command> [arguments...]\n"
+ "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"
+ "\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"
"\n", prog);
return 1;
}
+
+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 },
+};
+
int main(int argc, char **argv)
{
- struct ubus_request req;
+ const char *progname, *ubus_socket = NULL;
+ static struct ubus_context *ctx;
char *cmd;
- int ret;
+ int ret = 0;
+ int i, ch;
- ctx = ubus_connect(NULL);
- if (!ctx) {
- fprintf(stderr, "Failed to connect to ubus\n");
- return -1;
+ progname = argv[0];
+
+ while ((ch = getopt(argc, argv, "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;
+ default:
+ return usage(progname);
+ }
}
- cmd = argv[1];
- if (argc < 2)
- return usage(argv[0]);
+ argc -= optind;
+ argv += optind;
- if (!strcmp(cmd, "list")) {
- blob_buf_init(&b, 0);
+ cmd = argv[0];
+ if (argc < 1)
+ return usage(progname);
- if (argc == 3)
- blob_put_string(&b, UBUS_ATTR_OBJPATH, argv[2]);
+ ctx = ubus_connect(ubus_socket);
+ if (!ctx) {
+ if (!simple_output)
+ fprintf(stderr, "Failed to connect to ubus\n");
+ return -1;
+ }
- 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]);
+ argv++;
+ argc--;
- if (get_object(argv[2]) == 0) {
- fprintf(stderr, "Object not found\n");
- return 1;
- }
+ ret = -2;
+ for (i = 0; i < ARRAY_SIZE(commands); i++) {
+ if (strcmp(commands[i].name, cmd) != 0)
+ continue;
- 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 = commands[i].cb(ctx, argc, argv);
+ break;
}
- ret = ubus_complete_request(ctx, &req);
- if (ret)
- fprintf(stderr, "Failed: %s\n", ubus_strerror(ret));
+ if (ret > 0 && !simple_output)
+ fprintf(stderr, "Command failed: %s\n", ubus_strerror(ret));
+ else if (ret == -2)
+ usage(progname);
ubus_free(ctx);
- return 0;
+ return ret;
}
projects / project / ubus.git / blobdiff