98 lines
2.4 KiB
Rust
98 lines
2.4 KiB
Rust
// Copyright (C) 2021 Scott Lamb <slamb@slamb.org>
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// SPDX-License-Identifier: MIT OR Apache-2.0
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//! RTSP client examples.
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mod metadata;
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mod mp4;
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use failure::Error;
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use log::{error, info};
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use std::{fmt::Write, str::FromStr};
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use structopt::StructOpt;
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#[derive(StructOpt)]
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struct Source {
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#[structopt(long, parse(try_from_str))]
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url: url::Url,
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#[structopt(long, requires = "password")]
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username: Option<String>,
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#[structopt(long, requires = "username")]
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password: Option<String>,
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}
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#[derive(StructOpt)]
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enum Cmd {
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Mp4(mp4::Opts),
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Metadata(metadata::Opts),
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}
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/// Returns a pretty-and-informative version of `e`.
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pub fn prettify_failure(e: &failure::Error) -> String {
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let mut msg = e.to_string();
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for cause in e.iter_causes() {
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write!(&mut msg, "\ncaused by: {}", cause).unwrap();
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}
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if e.backtrace().is_empty() {
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write!(
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&mut msg,
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"\n\n(set environment variable RUST_BACKTRACE=1 to see backtraces)"
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)
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.unwrap();
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} else {
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write!(&mut msg, "\n\nBacktrace:\n{}", e.backtrace()).unwrap();
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}
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msg
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}
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fn init_logging() -> mylog::Handle {
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let h = mylog::Builder::new()
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.set_format(
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::std::env::var("MOONFIRE_FORMAT")
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.map_err(|_| ())
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.and_then(|s| mylog::Format::from_str(&s))
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.unwrap_or(mylog::Format::Google),
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)
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.set_spec(::std::env::var("MOONFIRE_LOG").as_deref().unwrap_or("info"))
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.build();
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h.clone().install().unwrap();
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h
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}
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#[tokio::main]
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async fn main() {
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let mut h = init_logging();
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if let Err(e) = {
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let _a = h.async_scope();
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main_inner().await
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} {
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error!("Fatal: {}", prettify_failure(&e));
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std::process::exit(1);
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}
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info!("Done");
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}
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/// Interpets the `username` and `password` of a [Source].
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fn creds(
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username: Option<String>,
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password: Option<String>,
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) -> Option<retina::client::Credentials> {
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match (username, password) {
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(Some(username), Some(password)) => {
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Some(retina::client::Credentials { username, password })
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}
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(None, None) => None,
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_ => unreachable!(), // structopt/clap enforce username and password's mutual "requires".
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}
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}
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async fn main_inner() -> Result<(), Error> {
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let cmd = Cmd::from_args();
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match cmd {
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Cmd::Mp4(opts) => mp4::run(opts).await,
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Cmd::Metadata(opts) => metadata::run(opts).await,
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}
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}
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