#include "libubus.h"
static struct blob_buf b;
+static int listen_timeout;
static int timeout = 30;
static bool simple_output = false;
static int verbose = 0;
+static int monitor_dir = -1;
+static uint32_t monitor_mask;
+static const char * const monitor_types[] = {
+ [UBUS_MSG_HELLO] = "hello",
+ [UBUS_MSG_STATUS] = "status",
+ [UBUS_MSG_DATA] = "data",
+ [UBUS_MSG_PING] = "ping",
+ [UBUS_MSG_LOOKUP] = "lookup",
+ [UBUS_MSG_INVOKE] = "invoke",
+ [UBUS_MSG_ADD_OBJECT] = "add_object",
+ [UBUS_MSG_REMOVE_OBJECT] = "remove_object",
+ [UBUS_MSG_SUBSCRIBE] = "subscribe",
+ [UBUS_MSG_UNSUBSCRIBE] = "unsubscribe",
+ [UBUS_MSG_NOTIFY] = "notify",
+};
static const char *format_type(void *priv, struct blob_attr *attr)
{
free(str);
}
-static void receive_event(struct ubus_context *ctx, struct ubus_event_handler *ev,
- const char *type, struct blob_attr *msg)
+static void print_event(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 int receive_request(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *req,
+ const char *method, struct blob_attr *msg)
+{
+ print_event(method, msg);
+ return 0;
+}
+
+static void receive_event(struct ubus_context *ctx, struct ubus_event_handler *ev,
+ const char *type, struct blob_attr *msg)
+{
+ print_event(type, msg);
+}
+
static int ubus_cli_list(struct ubus_context *ctx, int argc, char **argv)
{
const char *path = NULL;
return ubus_invoke(ctx, id, argv[1], b.head, receive_call_result_data, NULL, timeout * 1000);
}
+struct cli_listen_data {
+ struct uloop_timeout timeout;
+ bool timed_out;
+};
+
+static void ubus_cli_listen_timeout(struct uloop_timeout *timeout)
+{
+ struct cli_listen_data *data = container_of(timeout, struct cli_listen_data, timeout);
+ data->timed_out = true;
+ uloop_end();
+}
+
+static void do_listen(struct ubus_context *ctx, struct cli_listen_data *data)
+{
+ memset(data, 0, sizeof(*data));
+ data->timeout.cb = ubus_cli_listen_timeout;
+ uloop_init();
+ ubus_add_uloop(ctx);
+ if (listen_timeout)
+ uloop_timeout_set(&data->timeout, listen_timeout * 1000);
+ uloop_run();
+ uloop_done();
+}
+
static int ubus_cli_listen(struct ubus_context *ctx, int argc, char **argv)
{
- static struct ubus_event_handler listener;
+ struct ubus_event_handler ev = {
+ .cb = receive_event,
+ };
+ struct cli_listen_data data;
const char *event;
int ret = 0;
- memset(&listener, 0, sizeof(listener));
- listener.cb = receive_event;
-
if (argc > 0) {
event = argv[0];
} else {
}
do {
- ret = ubus_register_event_handler(ctx, &listener, event);
+ ret = ubus_register_event_handler(ctx, &ev, event);
if (ret)
break;
return -1;
}
- uloop_init();
- ubus_add_uloop(ctx);
- uloop_run();
- uloop_done();
+ do_listen(ctx, &data);
+
+ return 0;
+}
+
+static int ubus_cli_subscribe(struct ubus_context *ctx, int argc, char **argv)
+{
+ struct ubus_subscriber sub = {
+ .cb = receive_request,
+ };
+ struct cli_listen_data data;
+ const char *event;
+ int ret = 0;
+
+ if (argc > 0) {
+ event = argv[0];
+ } else {
+ if (!simple_output)
+ fprintf(stderr, "You need to specify an object to subscribe to\n");
+ return -1;
+ }
+
+ ret = ubus_register_subscriber(ctx, &sub);
+ for (; !ret && argc > 0; argc--, argv++) {
+ uint32_t id;
+
+ ret = ubus_lookup_id(ctx, argv[0], &id);
+ if (ret)
+ break;
+
+ ret = ubus_subscribe(ctx, &sub, id);
+ }
+
+ if (ret) {
+ if (!simple_output)
+ fprintf(stderr, "Error while registering for event '%s': %s\n",
+ event, ubus_strerror(ret));
+ return -1;
+ }
+
+ do_listen(ctx, &data);
return 0;
}
+
static int ubus_cli_send(struct ubus_context *ctx, int argc, char **argv)
{
if (argc < 1 || argc > 2)
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_register_event_handler(ctx, &data.ev, "ubus.object.add");
+ if (ret)
+ return ret;
+
+ if (!data.n_pending)
+ return ret;
+
+ ret = ubus_lookup(ctx, NULL, wait_list_cb, &data);
+ if (ret)
+ return ret;
+
+ if (!data.n_pending)
+ 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,
" -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;
}
-struct {
+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 },
+ { "subscribe", ubus_cli_subscribe },
{ "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;
- static struct ubus_context *ctx;
+ struct ubus_context *ctx;
char *cmd;
int ret = 0;
int i, ch;
progname = argv[0];
- while ((ch = getopt(argc, argv, "vs:t:S")) != -1) {
+ while ((ch = getopt(argc, argv, "m:M:vs:t:S")) != -1) {
switch (ch) {
case 's':
ubus_socket = optarg;
break;
case 't':
+ listen_timeout = atoi(optarg);
timeout = atoi(optarg);
break;
case 'S':
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);
}
projects / project / ubus.git / blobdiff