X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fubus.git;a=blobdiff_plain;f=cli.c;h=de159473cb58077b2426a9c97eb5ebf9cd72b312;hp=22fa7683bc401e28694777c532cbc8e188fe5ca8;hb=95062c1ef74695d138bbc4b9efc5910b1436bd9c;hpb=f87a9dc69e6f47a047311544d693eef739e20806 diff --git a/cli.c b/cli.c index 22fa768..de15947 100644 --- a/cli.c +++ b/cli.c @@ -1,65 +1,161 @@ +/* + * Copyright (C) 2011 Felix Fietkau + * + * 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 + +#include #include "libubus.h" -static void receive_lookup(struct ubus_context *ctx, struct ubus_object_data *obj, void *priv) +static struct blob_buf b; +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; + + 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 *cur; char *s; int rem; - fprintf(stderr, "'%s' @%08x\n", obj->path, obj->id); + if (simple_output || !verbose) { + printf("%s\n", obj->path); + return; + } + + printf("'%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); + s = blobmsg_format_json_with_cb(cur, false, format_type, NULL, -1); + printf("\t%s\n", s); free(s); } } -static void receive_data(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) { + char *str; if (!msg) return; - fprintf(stderr, "%s\n", blobmsg_format_json(msg, true)); + 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 usage(char *prog) +static int ubus_cli_list(struct ubus_context *ctx, int argc, char **argv) { - fprintf(stderr, - "Usage: %s [arguments...]\n" - "Commands:\n" - " - list [] List objects\n" - " - call [] Call an object method\n" - " - listen [...] Listen for events\n" - "\n", prog); - return 1; + 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_object listener; + static struct ubus_event_handler listener; const char *event; int ret = 0; - if (!argc) { + memset(&listener, 0, sizeof(listener)); + listener.cb = receive_event; + + if (argc > 0) { + event = argv[0]; + } else { event = "*"; - ret = ubus_register_event_handler(ctx, &listener, NULL); + argc = 1; } - for (;argc;argv++, argc--) { - event = argv[0]; - ret = ubus_register_event_handler(ctx, &listener, argv[0]); + 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) { - fprintf(stderr, "Error while registering for event '%s': %s\n", - event, ubus_strerror(ret)); + if (!simple_output) + fprintf(stderr, "Error while registering for event '%s': %s\n", + event, ubus_strerror(ret)); + return -1; } uloop_init(); @@ -70,46 +166,111 @@ static int ubus_cli_listen(struct ubus_context *ctx, int argc, char **argv) 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 [] [arguments...]\n" + "Options:\n" + " -s : Set the unix domain socket to connect to\n" + " -t : 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 [] List objects\n" + " - call [] Call an object method\n" + " - listen [...] Listen for events\n" + " - send [] 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) { + 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")) { - const char *path = NULL; + cmd = argv[0]; + if (argc < 1) + return usage(progname); - if (argc == 3) - path = argv[2]; + ctx = ubus_connect(ubus_socket); + if (!ctx) { + if (!simple_output) + fprintf(stderr, "Failed to connect to ubus\n"); + return -1; + } - ret = ubus_lookup(ctx, path, receive_lookup, NULL); - } else if (!strcmp(cmd, "call")) { - uint32_t id; + argv++; + argc--; - if (argc < 4 || argc > 5) - return usage(argv[0]); + ret = -2; + for (i = 0; i < ARRAY_SIZE(commands); i++) { + if (strcmp(commands[i].name, cmd) != 0) + continue; - 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_cli_listen(ctx, argc - 2, argv + 2); - } else { - return usage(argv[0]); + ret = commands[i].cb(ctx, argc, argv); + break; } - 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 ret;