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use hex::FromHex;
use subtle::ConstantTimeEq;
use super::Configuration;
use std::io;
pub fn serialize<C: Configuration, W: io::Write>(writer: &mut W, config: &C) -> io::Result<()> {
let mut write = |key: &'static str, value: String| {
debug_assert!(value.is_ascii());
debug_assert!(key.is_ascii());
writer.write(key.as_ref())?;
writer.write(b"=")?;
writer.write(value.as_ref())
};
// serialize interface
config
.get_private_key()
.map(|sk| write("private_key", hex::encode(sk.to_bytes())));
config
.get_listen_port()
.map(|port| write("listen_port", port.to_string()));
config
.get_fwmark()
.map(|fwmark| write("fwmark", fwmark.to_string()));
// serialize all peers
let mut peers = config.get_peers();
while let Some(p) = peers.pop() {
write("rx_bytes", p.rx_bytes.to_string())?;
write("tx_bytes", p.tx_bytes.to_string())?;
write(
"last_handshake_time_sec",
p.last_handshake_time_nsec.to_string(),
)?;
write(
"last_handshake_time_nsec",
p.last_handshake_time_nsec.to_string(),
)?;
write("public_key", hex::encode(p.public_key.as_bytes()))?;
if let Some(psk) = p.preshared_key {
write("preshared_key", hex::encode(psk))?;
}
for (ip, cidr) in p.allowed_ips {
write("allowed_ip", ip.to_string() + "/" + &cidr.to_string())?;
}
}
Ok(())
}
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