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// Copyright (C) 2019, Cloudflare, Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#[macro_use]
extern crate log;
use std::fs::File;
use std::io::prelude::*;
use std::io::BufReader;
use quiche::h3;
fn main() {
let mut args = std::env::args();
let cmd = &args.next().unwrap();
if args.len() != 1 {
println!("Usage: {} FILE", cmd);
return;
}
let file = File::open(&args.next().unwrap()).unwrap();
let file = BufReader::new(&file);
let mut enc = h3::qpack::Encoder::new();
let mut headers: Vec<h3::Header> = Vec::new();
let mut stream_id = 1u64;
for line in file.lines().map(Result::unwrap) {
if line.starts_with('#') {
continue;
}
if line.is_empty() {
let mut out = [0u8; 65535];
let len = enc.encode(&headers, &mut out).unwrap();
debug!("Writing header block stream={} len={}", stream_id, len);
std::io::stdout()
.write_all(&stream_id.to_be_bytes())
.unwrap();
std::io::stdout()
.write_all(&(len as u32).to_be_bytes())
.unwrap();
std::io::stdout().write_all(&out[..len]).unwrap();
stream_id += 1;
headers.clear();
continue;
}
let name = line.split('\t').next().unwrap();
let value = line.split('\t').last().unwrap();
headers.push(h3::Header::new(name.as_bytes(), value.as_bytes()));
}
}
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