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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;
let msg = message::push_query::Message::create(
ids::Id::empty(),
7,
std::time::Duration::from_secs(10),
vec![0x01, 0x02, 0x03],
);
let data_with_header = msg.compress_with_header().unwrap();
let expected_data: &[u8] = &[
0x00, 0x00, 0x00, 0x31, 0x0e, 0x01, 0x1f, 0x8b, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0x8d, 0xc3, 0x31, 0xd, 0x0, 0x0, 0x8,
0x3, 0xb0, 0xb1, 0x1d, 0x1c, 0xd8, 0xc3, 0xff, 0x85, 0x10, 0x70, 0xc0, 0x9a, 0x14, 0x78,
0xe5, 0x65, 0xd7, 0xc0, 0xa0, 0xa0, 0x16, 0xc4, 0x74, 0xdf, 0x1e, 0x53, 0x0, 0x0,
0x0, ];
assert!(cmp_manager::eq_vectors(expected_data, &data_with_header));
}