X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fubus.git;a=blobdiff_plain;f=cli.c;h=de159473cb58077b2426a9c97eb5ebf9cd72b312;hp=ba6f30fbf9453d0a8a4d9fdc6c2f869c06a01844;hb=df69022bebe444a0c2ec2c9316748dc1dd833b4e;hpb=dbd4c2f121be08e514828f2533687b145a6e16dd

diff --git a/cli.c b/cli.c
index ba6f30f..de15947 100644
--- a/cli.c
+++ b/cli.c
@@ -1,73 +1,277 @@
+/*
+ * 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 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\"",
+	};
+	const char *type = NULL;
+	int typeid;
+
+	if (blob_id(attr) != BLOBMSG_TYPE_INT32)
+		return NULL;
 
-static void receive_lookup(struct ubus_request *req, int type, struct blob_attr *msg)
+	typeid = blobmsg_get_u32(attr);
+	if (typeid < ARRAY_SIZE(attr_types))
+		type = attr_types[typeid];
+	if (!type)
+		type = "\"(unknown)\"";
+
+	return type;
+}
+
+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 int usage(char *prog)
+static void receive_call_result_data(struct ubus_request *req, int type, struct blob_attr *msg)
+{
+	char *str;
+	if (!msg)
+		return;
+
+	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);
+	free(str);
+}
+
+static int ubus_cli_list(struct ubus_context *ctx, int argc, char **argv)
+{
+	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);
+	if (argc == 3 && !blobmsg_add_json_from_string(&b, argv[2])) {
+		if (!simple_output)
+			fprintf(stderr, "Failed to parse message data\n");
+		return -1;
+	}
+
+	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 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);
+}
+
+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"
+		" - 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"
 		"\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 },
+};
+
 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;
+
+	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);
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	cmd = argv[0];
+	if (argc < 1)
+		return usage(progname);
 
-	ctx = ubus_connect(NULL);
+	ctx = ubus_connect(ubus_socket);
 	if (!ctx) {
-		fprintf(stderr, "Failed to connect to ubus\n");
+		if (!simple_output)
+			fprintf(stderr, "Failed to connect to ubus\n");
 		return -1;
 	}
 
-	cmd = argv[1];
-	if (argc < 2)
-		return usage(argv[0]);
-
-	blob_buf_init(&b, 0);
+	argv++;
+	argc--;
 
-	if (!strcmp(cmd, "list")) {
-		if (argc == 3)
-			blob_put_string(&b, UBUS_ATTR_OBJPATH, argv[2]);
+	ret = -2;
+	for (i = 0; i < ARRAY_SIZE(commands); i++) {
+		if (strcmp(commands[i].name, cmd) != 0)
+			continue;
 
-		ubus_start_request(ctx, &req, b.head, UBUS_MSG_LOOKUP, 0);
-		req.data_cb = receive_lookup;
-		ret = ubus_complete_request(ctx, &req);
-		if (ret)
-			fprintf(stderr, "Failed: %d\n", ret);
-	} else {
-		return usage(argv[0]);
+		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);
+
 	ubus_free(ctx);
-	return 0;
+	return ret;
 }