librojo/cli/
serve.rs

1use std::{
2    io::{self, Write},
3    net::{IpAddr, Ipv4Addr},
4    path::PathBuf,
5    sync::Arc,
6};
7
8use clap::Parser;
9use memofs::Vfs;
10use termcolor::{BufferWriter, Color, ColorChoice, ColorSpec, WriteColor};
11
12use crate::{serve_session::ServeSession, web::LiveServer};
13
14use super::{resolve_path, GlobalOptions};
15
16const DEFAULT_BIND_ADDRESS: Ipv4Addr = Ipv4Addr::new(127, 0, 0, 1);
17const DEFAULT_PORT: u16 = 34872;
18
19/// Expose a Rojo project to the Rojo Studio plugin.
20#[derive(Debug, Parser)]
21pub struct ServeCommand {
22    /// Path to the project to serve. Defaults to the current directory.
23    #[clap(default_value = "")]
24    pub project: PathBuf,
25
26    /// The IP address to listen on. Defaults to `127.0.0.1`.
27    #[clap(long)]
28    pub address: Option<IpAddr>,
29
30    /// The port to listen on. Defaults to the project's preference, or `34872` if
31    /// it has none.
32    #[clap(long)]
33    pub port: Option<u16>,
34}
35
36impl ServeCommand {
37    pub fn run(self, global: GlobalOptions) -> anyhow::Result<()> {
38        let project_path = resolve_path(&self.project);
39
40        let vfs = Vfs::new_default();
41
42        let session = Arc::new(ServeSession::new(vfs, project_path)?);
43
44        let ip = self
45            .address
46            .or_else(|| session.serve_address())
47            .unwrap_or(DEFAULT_BIND_ADDRESS.into());
48
49        let port = self
50            .port
51            .or_else(|| session.project_port())
52            .unwrap_or(DEFAULT_PORT);
53
54        let server = LiveServer::new(session);
55
56        let _ = show_start_message(ip, port, global.color.into());
57        server.start((ip, port).into());
58
59        Ok(())
60    }
61}
62
63fn show_start_message(bind_address: IpAddr, port: u16, color: ColorChoice) -> io::Result<()> {
64    let mut green = ColorSpec::new();
65    green.set_fg(Some(Color::Green)).set_bold(true);
66
67    let writer = BufferWriter::stdout(color);
68    let mut buffer = writer.buffer();
69
70    let address_string = if bind_address.is_loopback() {
71        "localhost".to_owned()
72    } else {
73        bind_address.to_string()
74    };
75
76    writeln!(&mut buffer, "Rojo server listening:")?;
77
78    write!(&mut buffer, "  Address: ")?;
79    buffer.set_color(&green)?;
80    writeln!(&mut buffer, "{}", address_string)?;
81
82    buffer.set_color(&ColorSpec::new())?;
83    write!(&mut buffer, "  Port:    ")?;
84    buffer.set_color(&green)?;
85    writeln!(&mut buffer, "{}", port)?;
86
87    writeln!(&mut buffer)?;
88
89    buffer.set_color(&ColorSpec::new())?;
90    write!(&mut buffer, "Visit ")?;
91
92    buffer.set_color(&green)?;
93    write!(&mut buffer, "http://{}:{}/", address_string, port)?;
94
95    buffer.set_color(&ColorSpec::new())?;
96    writeln!(&mut buffer, " in your browser for more information.")?;
97
98    writer.print(&buffer)?;
99
100    Ok(())
101}
librojo/cli/serve.rs

librojo/cli/
serve.rs
