01 - echo
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.DS_STORE
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.idea
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||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "7b1eb6f0cd7c80c79759c929114ef071b87354ce476d9d94271031c0497adfd5"
|
||||||
|
dependencies = [
|
||||||
|
"windows_aarch64_gnullvm 0.48.0",
|
||||||
|
"windows_aarch64_msvc 0.48.0",
|
||||||
|
"windows_i686_gnu 0.48.0",
|
||||||
|
"windows_i686_msvc 0.48.0",
|
||||||
|
"windows_x86_64_gnu 0.48.0",
|
||||||
|
"windows_x86_64_gnullvm 0.48.0",
|
||||||
|
"windows_x86_64_msvc 0.48.0",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_gnullvm"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_gnullvm"
|
||||||
|
version = "0.48.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_msvc"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_msvc"
|
||||||
|
version = "0.48.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_gnu"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_gnu"
|
||||||
|
version = "0.48.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_msvc"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_msvc"
|
||||||
|
version = "0.48.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnu"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnu"
|
||||||
|
version = "0.48.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnullvm"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnullvm"
|
||||||
|
version = "0.48.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_msvc"
|
||||||
|
version = "0.42.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_msvc"
|
||||||
|
version = "0.48.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
|
||||||
11
01-echo/Cargo.toml
Normal file
11
01-echo/Cargo.toml
Normal file
|
|
@ -0,0 +1,11 @@
|
||||||
|
[package]
|
||||||
|
name = "ch01-echo"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2021"
|
||||||
|
|
||||||
|
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
tokio = {version = "1", features = ["full"]}
|
||||||
|
serde = {version = "1", features = ["derive"] }
|
||||||
|
serde_json = "1"
|
||||||
85
01-echo/src/main.rs
Normal file
85
01-echo/src/main.rs
Normal file
|
|
@ -0,0 +1,85 @@
|
||||||
|
use std::io::{self, BufRead, Write};
|
||||||
|
use serde::{Serialize, Deserialize};
|
||||||
|
|
||||||
|
#[derive(Serialize, Deserialize, Debug)]
|
||||||
|
struct Message {
|
||||||
|
src: String,
|
||||||
|
dest: String,
|
||||||
|
body: Body,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Serialize, Deserialize, Debug)]
|
||||||
|
#[serde(tag = "type")]
|
||||||
|
enum Body {
|
||||||
|
#[serde(rename = "init")]
|
||||||
|
Init {
|
||||||
|
msg_id: u64,
|
||||||
|
node_id: String,
|
||||||
|
node_ids: Vec<String>,
|
||||||
|
},
|
||||||
|
#[serde(rename = "init_ok")]
|
||||||
|
InitOk {
|
||||||
|
in_reply_to: u64,
|
||||||
|
},
|
||||||
|
#[serde(rename = "echo")]
|
||||||
|
Echo {
|
||||||
|
msg_id: u64,
|
||||||
|
echo: String,
|
||||||
|
},
|
||||||
|
#[serde(rename = "echo_ok")]
|
||||||
|
EchoOk {
|
||||||
|
msg_id: u64,
|
||||||
|
in_reply_to: u64,
|
||||||
|
echo: String,
|
||||||
|
},
|
||||||
|
#[serde(rename = "error")]
|
||||||
|
Error {
|
||||||
|
in_reply_to: u64,
|
||||||
|
code: u64,
|
||||||
|
text: String,
|
||||||
|
},
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let stdin = io::stdin();
|
||||||
|
let mut stdout = io::stdout();
|
||||||
|
let mut node_id = String::new();
|
||||||
|
|
||||||
|
for line in stdin.lock().lines() {
|
||||||
|
let input: Message = serde_json::from_str(&line.unwrap()).unwrap();
|
||||||
|
match input.body {
|
||||||
|
Body::Init { msg_id, node_id: id, .. } => {
|
||||||
|
node_id = id;
|
||||||
|
let output = Message {
|
||||||
|
src: node_id.clone(),
|
||||||
|
dest: input.src,
|
||||||
|
body: Body::InitOk {
|
||||||
|
in_reply_to: msg_id,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
let output_json = serde_json::to_string(&output).unwrap();
|
||||||
|
writeln!(stdout, "{}", output_json).unwrap();
|
||||||
|
stdout.flush().unwrap();
|
||||||
|
},
|
||||||
|
Body::Echo { msg_id, echo } => {
|
||||||
|
let output = Message {
|
||||||
|
src: node_id.clone(),
|
||||||
|
dest: input.src,
|
||||||
|
body: Body::EchoOk {
|
||||||
|
msg_id,
|
||||||
|
in_reply_to: msg_id,
|
||||||
|
echo,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
let output_json = serde_json::to_string(&output).unwrap();
|
||||||
|
writeln!(stdout, "{}", output_json).unwrap();
|
||||||
|
stdout.flush().unwrap();
|
||||||
|
},
|
||||||
|
Body::Error { in_reply_to, code, text } => {
|
||||||
|
eprintln!("Error received (in_reply_to: {}, code: {}, text: {})", in_reply_to, code, text);
|
||||||
|
},
|
||||||
|
_ => (),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
Loading…
Reference in a new issue