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listener: add a more complex example using parsing

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This commit is contained in:
Felix Fietkau 2011-02-06 02:08:30 +01:00
parent 9a03063aee
commit 4864ab6397
1 changed files with 20 additions and 2 deletions
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22
listener.c
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@ -16,15 +16,33 @@ static const struct ubus_signature test_object_sig[] = {
static struct ubus_object_type test_object_type = static struct ubus_object_type test_object_type =
UBUS_OBJECT_TYPE("test", test_object_sig); UBUS_OBJECT_TYPE("test", test_object_sig);
enum {
HELLO_ID,
HELLO_MSG,
HELLO_LAST
};
static const struct blobmsg_policy hello_policy[] = {
[HELLO_ID] = { .name = "id", .type = BLOBMSG_TYPE_INT32 },
[HELLO_MSG] = { .name = "msg", .type = BLOBMSG_TYPE_STRING },
};
static int test_hello(struct ubus_context *ctx, struct ubus_object *obj, static int test_hello(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method, struct ubus_request_data *req, const char *method,
struct blob_attr *msg) struct blob_attr *msg)
{ {
struct blob_attr *tb[HELLO_LAST];
char *msgstr = "(unknown)";
char *strbuf; char *strbuf;
blobmsg_parse(hello_policy, ARRAY_SIZE(hello_policy), tb, blob_data(msg), blob_len(msg));
if (tb[HELLO_MSG])
msgstr = blobmsg_data(tb[HELLO_MSG]);
blob_buf_init(&b, 0); blob_buf_init(&b, 0);
strbuf = blobmsg_alloc_string_buffer(&b, "message", 64 + strlen(obj->name)); strbuf = blobmsg_alloc_string_buffer(&b, "message", 64 + strlen(obj->name) + strlen(msgstr));
sprintf(strbuf, "%s: Hello, world\n", obj->name); sprintf(strbuf, "%s: Hello, world: %s", obj->name, msgstr);
blobmsg_add_string_buffer(&b); blobmsg_add_string_buffer(&b);
ubus_send_reply(ctx, req, b.head); ubus_send_reply(ctx, req, b.head);
return 0; return 0;