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use std::io::{Error, ErrorKind, Result};
use log::debug;
use crate::message::{self, compress, Compressor};
impl Compressor for message::push_query::Message {
fn compress_with_header(&self) -> Result<bytes::Bytes> {
let type_id = message::TYPES
.get("push_query")
.ok_or_else(|| Error::new(ErrorKind::InvalidInput, "unknown type name"))?;
let packer = message::default_packer();
packer.pack_bytes(self.chain_id.as_ref())?;
packer.pack_u32(self.request_id)?;
packer.pack_u64(self.deadline.as_nanos() as u64)?;
packer.pack_bytes(self.container_id.as_ref())?;
packer.pack_bytes_with_header(self.container_bytes.as_ref())?;
let bytes_uncompressed = packer.bytes_len();
let compressed = compress::pack_gzip(&packer.take_bytes())?;
let bytes_compressed = compressed.len();
let packer = message::default_packer_with_header();
packer.pack_byte(*type_id)?;
packer.pack_bool(true)?;
packer.pack_bytes(compressed.as_ref())?;
if bytes_uncompressed > bytes_compressed {
debug!(
"push_query compression saved {} bytes",
bytes_uncompressed - bytes_compressed
);
} else {
debug!(
"push_query compression added {} byte(s)",
bytes_compressed - bytes_uncompressed
);
}
Ok(packer.take_bytes())
}
}
#[test]
fn test_message() {
use crate::ids;
use avalanche_utils::cmp;
let msg = message::push_query::Message::create(
ids::Id::empty(),
7,
std::time::Duration::from_secs(10),
ids::Id::from_slice(&[
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x01,
]),
vec![0x01, 0x02, 0x03],
);
let data_with_header = msg.compress_with_header().unwrap();
let expected_data: &[u8] = &[
0x00, 0x00, 0x00, 0x33,
0x0e,
0x01,
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x85, 0x8a, 0xb1, 0x0d, 0x00,
0x00, 0x08, 0xc2, 0x04, 0x06, 0x07, 0xdf, 0xf3, 0xff, 0xc9, 0x43, 0xe4, 0x03, 0x9a, 0xb4,
0x53, 0xab, 0x22, 0x6d, 0xb9, 0x73, 0x61, 0x03, 0x1c, 0x81, 0x7a, 0x19, 0x60, 0x0e, 0xc5,
0x53, 0x00, 0x00, 0x00,
];
assert!(cmp::eq_vectors(expected_data, &data_with_header));
}