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use anyhow::Result;
use log::{info, warn};
use sip::{
encoding::{
headermap::HeaderMap,
headers::{Contact, From, To, UserAgent},
method::Method,
response::Response,
status::Status,
uri::Uri,
},
transaction::TransactionUser,
transport::tcp::TcpTransport,
};
use std::net::SocketAddr;
use tokio::{
net::{TcpListener, TcpStream},
spawn,
};
#[tokio::main]
async fn main() -> Result<()> {
env_logger::init_from_env("LOG");
let listener = TcpListener::bind("0.0.0.0:5060").await?;
info!("tcp listener bound to {}", listener.local_addr().unwrap());
loop {
let (stream, addr) = listener.accept().await?;
info!("connect {addr}");
spawn(async move {
if let Err(e) = handle_client(stream, addr).await {
warn!("client error: {e}")
}
info!("disconnect {addr}")
});
}
}
async fn handle_client(stream: TcpStream, addr: SocketAddr) -> Result<()> {
let transport = TcpTransport::new(stream).await?;
let tu = TransactionUser::new(transport);
loop {
let req = tu.process_incoming().await?;
if req.method == Method::Register {
let from: From = req.headers.get_res()?;
let to: To = req.headers.get_res()?;
tu.respond(
&req,
Response {
status: Status::Ok,
headers: HeaderMap::new()
.add(Contact {
display_name: None,
uri: Uri {
content: format!("sip:username@{addr}"),
},
params: ";expires=600".to_string(),
})
.add(to)
.add(from)
.add(UserAgent("siptest v0.1.0".to_string())),
body: String::new(),
},
)
.await?;
}
}
}
/*
[2024-07-05T22:22:40Z DEBUG sip::transport::udp] SIP/2.0 200 OK
Via: SIP/2.0/UDP 198.18.1.135:52125;branch=Uz7r7ysvrS91q9j9;rport=52125
Contact: <sip:metatest-0x5e11f89f7900@198.18.1.135:40708>;expires=379;+sip.instance="<urn:uuid:9b2421ef-43ed-3b3b-9181-607ba5c13fb9>"
Contact: <sip:metatest-0x5e11f89f7900@198.18.1.135:47412>;expires=411
Contact: <sip:metatest-0x5e11f89f7900@198.18.1.135:52125>;expires=600
To: <sip:metatest@198.18.0.220>;tag=81756f4e
From: <sip:metatest@198.18.0.220>;tag=-AK4OkphTFVZv50h
Call-ID: U3Fyb6vT1BhWxiKG
CSeq: 1 REGISTER
User-Agent: AGFEO SIP V3.00.15 n (MAC=00094070069C)
Content-Length: 0
*/
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