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1 | 1 | #[macro_use] |
2 | 2 | extern crate log; |
3 | 3 |
|
| 4 | +use clap::{App, Arg, SubCommand}; |
4 | 5 | use rsocket_rust::prelude::*; |
5 | | -use rsocket_rust_transport_tcp::TcpServerTransport; |
6 | | -use std::env; |
| 6 | +use rsocket_rust_transport_tcp::{TcpClientTransport, TcpServerTransport}; |
7 | 7 | use std::error::Error; |
| 8 | +use std::fs; |
| 9 | + |
| 10 | +enum RequestMode { |
| 11 | + FNF, |
| 12 | + REQUEST, |
| 13 | + STREAM, |
| 14 | + CHANNEL, |
| 15 | +} |
8 | 16 |
|
9 | 17 | #[tokio::main] |
10 | 18 | async fn main() -> Result<(), Box<dyn Error + Send + Sync>> { |
11 | 19 | env_logger::builder().format_timestamp_millis().init(); |
12 | | - let addr = env::args().nth(1).unwrap_or("127.0.0.1:7878".to_string()); |
13 | | - |
14 | | - RSocketFactory::receive() |
15 | | - .transport(TcpServerTransport::from(addr)) |
16 | | - .acceptor(|setup, _socket| { |
17 | | - info!("accept setup: {:?}", setup); |
18 | | - Ok(Box::new(EchoRSocket)) |
19 | | - // Or you can reject setup |
20 | | - // Err(From::from("SETUP_NOT_ALLOW")) |
21 | | - }) |
22 | | - .on_start(|| info!("+++++++ echo server started! +++++++")) |
23 | | - .serve() |
24 | | - .await |
| 20 | + |
| 21 | + let cli = App::new("echo") |
| 22 | + .version("0.0.0") |
| 23 | + .author("Jeffsky <jjeffcaii@outlook.com>") |
| 24 | + .about("An echo tool for RSocket.") |
| 25 | + .subcommand( |
| 26 | + SubCommand::with_name("serve") |
| 27 | + .about("serve an echo server") |
| 28 | + .arg( |
| 29 | + Arg::with_name("mtu") |
| 30 | + .long("mtu") |
| 31 | + .required(false) |
| 32 | + .takes_value(true) |
| 33 | + .help("Fragment mtu."), |
| 34 | + ) |
| 35 | + .arg( |
| 36 | + Arg::with_name("URL") |
| 37 | + .required(true) |
| 38 | + .index(1) |
| 39 | + .help("connect url"), |
| 40 | + ), |
| 41 | + ) |
| 42 | + .subcommand( |
| 43 | + SubCommand::with_name("connect") |
| 44 | + .about("connect to echo server") |
| 45 | + .arg( |
| 46 | + Arg::with_name("input") |
| 47 | + .short("i") |
| 48 | + .long("input") |
| 49 | + .required(false) |
| 50 | + .takes_value(true) |
| 51 | + .help("Input payload data."), |
| 52 | + ) |
| 53 | + .arg( |
| 54 | + Arg::with_name("mtu") |
| 55 | + .long("mtu") |
| 56 | + .required(false) |
| 57 | + .takes_value(true) |
| 58 | + .help("Fragment mtu."), |
| 59 | + ) |
| 60 | + .arg( |
| 61 | + Arg::with_name("request") |
| 62 | + .long("request") |
| 63 | + .required(false) |
| 64 | + .takes_value(false) |
| 65 | + .help("request_response mode."), |
| 66 | + ) |
| 67 | + .arg( |
| 68 | + Arg::with_name("channel") |
| 69 | + .long("channel") |
| 70 | + .required(false) |
| 71 | + .takes_value(false) |
| 72 | + .help("request_channel mode."), |
| 73 | + ) |
| 74 | + .arg( |
| 75 | + Arg::with_name("stream") |
| 76 | + .long("stream") |
| 77 | + .required(false) |
| 78 | + .takes_value(false) |
| 79 | + .help("request_stream mode."), |
| 80 | + ) |
| 81 | + .arg( |
| 82 | + Arg::with_name("fnf") |
| 83 | + .long("fnf") |
| 84 | + .required(false) |
| 85 | + .takes_value(false) |
| 86 | + .help("fire_and_forget mode."), |
| 87 | + ) |
| 88 | + .arg( |
| 89 | + Arg::with_name("URL") |
| 90 | + .required(true) |
| 91 | + .index(1) |
| 92 | + .help("connect url"), |
| 93 | + ), |
| 94 | + ) |
| 95 | + .arg( |
| 96 | + Arg::with_name("debug") |
| 97 | + .short("d") |
| 98 | + .help("print debug information verbosely"), |
| 99 | + ) |
| 100 | + .get_matches(); |
| 101 | + |
| 102 | + match cli.subcommand() { |
| 103 | + ("serve", Some(flags)) => { |
| 104 | + let addr = flags.value_of("URL").expect("Missing URL"); |
| 105 | + let mtu: usize = flags |
| 106 | + .value_of("mtu") |
| 107 | + .map(|it| it.parse().expect("Invalid mtu string!")) |
| 108 | + .unwrap_or(0); |
| 109 | + RSocketFactory::receive() |
| 110 | + .transport(TcpServerTransport::from(addr)) |
| 111 | + .fragment(mtu) |
| 112 | + .acceptor(Box::new(|setup, _socket| { |
| 113 | + info!("accept setup: {:?}", setup); |
| 114 | + Ok(Box::new(EchoRSocket)) |
| 115 | + // Or you can reject setup |
| 116 | + // Err(From::from("SETUP_NOT_ALLOW")) |
| 117 | + })) |
| 118 | + .on_start(Box::new(|| info!("+++++++ echo server started! +++++++"))) |
| 119 | + .serve() |
| 120 | + .await |
| 121 | + } |
| 122 | + ("connect", Some(flags)) => { |
| 123 | + let mut modes: Vec<RequestMode> = vec![]; |
| 124 | + |
| 125 | + if flags.is_present("stream") { |
| 126 | + modes.push(RequestMode::STREAM); |
| 127 | + } |
| 128 | + if flags.is_present("fnf") { |
| 129 | + modes.push(RequestMode::FNF); |
| 130 | + } |
| 131 | + if flags.is_present("channel") { |
| 132 | + modes.push(RequestMode::CHANNEL); |
| 133 | + } |
| 134 | + |
| 135 | + if flags.is_present("request") { |
| 136 | + modes.push(RequestMode::REQUEST); |
| 137 | + } |
| 138 | + |
| 139 | + if modes.len() > 1 { |
| 140 | + error!("duplicated request mode: use one of --fnf/--request/--stream/--channel."); |
| 141 | + return Ok(()); |
| 142 | + } |
| 143 | + |
| 144 | + let mtu: usize = flags |
| 145 | + .value_of("mtu") |
| 146 | + .map(|it| it.parse().expect("Invalid mtu string!")) |
| 147 | + .unwrap_or(0); |
| 148 | + |
| 149 | + let addr = flags.value_of("URL").expect("Missing URL"); |
| 150 | + let cli = RSocketFactory::connect() |
| 151 | + .fragment(mtu) |
| 152 | + .transport(TcpClientTransport::from(addr)) |
| 153 | + .start() |
| 154 | + .await |
| 155 | + .expect("Connect failed!"); |
| 156 | + let mut bu = Payload::builder(); |
| 157 | + if let Some(data) = flags.value_of("input") { |
| 158 | + if data.starts_with("@") { |
| 159 | + let file_content = |
| 160 | + fs::read_to_string(&data[1..].to_owned()).expect("Read file failed."); |
| 161 | + bu = bu.set_data_utf8(&file_content); |
| 162 | + } else { |
| 163 | + bu = bu.set_data_utf8(data); |
| 164 | + } |
| 165 | + } |
| 166 | + let req = bu.build(); |
| 167 | + |
| 168 | + match modes.pop().unwrap_or(RequestMode::REQUEST) { |
| 169 | + RequestMode::FNF => { |
| 170 | + cli.fire_and_forget(req).await; |
| 171 | + } |
| 172 | + RequestMode::STREAM => { |
| 173 | + let mut results = cli.request_stream(req); |
| 174 | + loop { |
| 175 | + match results.next().await { |
| 176 | + Some(Ok(v)) => info!("{:?}", v), |
| 177 | + Some(Err(e)) => { |
| 178 | + error!("STREAM_RESPONSE FAILED: {:?}", e); |
| 179 | + break; |
| 180 | + } |
| 181 | + None => break, |
| 182 | + } |
| 183 | + } |
| 184 | + } |
| 185 | + RequestMode::CHANNEL => { |
| 186 | + let mut results = |
| 187 | + cli.request_channel(Box::pin(futures::stream::iter(vec![Ok(req)]))); |
| 188 | + loop { |
| 189 | + match results.next().await { |
| 190 | + Some(Ok(v)) => info!("{:?}", v), |
| 191 | + Some(Err(e)) => { |
| 192 | + error!("CHANNEL_RESPONSE FAILED: {:?}", e); |
| 193 | + break; |
| 194 | + } |
| 195 | + None => break, |
| 196 | + } |
| 197 | + } |
| 198 | + } |
| 199 | + RequestMode::REQUEST => { |
| 200 | + let res = cli.request_response(req).await.expect("Request failed!"); |
| 201 | + info!("{:?}", res); |
| 202 | + } |
| 203 | + } |
| 204 | + |
| 205 | + Ok(()) |
| 206 | + } |
| 207 | + _ => Ok(()), |
| 208 | + } |
25 | 209 | } |
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