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35 lines
752 B
Rust
35 lines
752 B
Rust
//! TCP client.
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//!
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//! First start the echo server:
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//!
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//! ```sh
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//! $ cargo run --example tcp-echo
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//! ```
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//!
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//! Then run the client:
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//!
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//! ```sh
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//! $ cargo run --example tcp-client
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//! ```
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#![feature(async_await)]
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use async_std::{io, net, prelude::*, task};
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fn main() -> io::Result<()> {
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task::block_on(async {
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let mut stream = net::TcpStream::connect("127.0.0.1:8080").await?;
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println!("Connected to {}", &stream.peer_addr()?);
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let msg = "hello world";
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println!("<- {}", msg);
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stream.write_all(msg.as_bytes()).await?;
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let mut buf = vec![0u8; 1024];
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let n = stream.read(&mut buf).await?;
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println!("-> {}\n", String::from_utf8_lossy(&buf[..n]));
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Ok(())
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})
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}
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