84 lines
2 KiB
Rust
84 lines
2 KiB
Rust
use anyhow::Result;
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use clap::{crate_authors, crate_version, AppSettings, Parser};
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mod posix;
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mod sysv;
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#[derive(Debug, Parser)]
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enum Backend {
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/// Handle POSIX message queues
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#[clap(subcommand)]
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Posix(PosixCommand),
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/// Handle SysV message queues
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#[clap(subcommand)]
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Sysv(SysvCommand),
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}
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#[derive(Debug, Parser)]
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enum PosixCommand {
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Create(posix::Create),
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Info(posix::Info),
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List(posix::List),
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Unlink(posix::Unlink),
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Send(posix::Send),
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Recv(posix::Recv),
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}
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#[derive(Debug, Parser)]
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enum SysvCommand {
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Create(sysv::Create),
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Info(sysv::Info),
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List(sysv::List),
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Unlink(sysv::Unlink),
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}
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#[derive(Debug, Parser)]
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#[clap(
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version = crate_version!(),
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author = crate_authors!(", "),
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setting = AppSettings::SubcommandRequiredElseHelp,
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global_setting = AppSettings::PropagateVersion,
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global_setting = AppSettings::InferSubcommands,
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)]
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struct Opts {
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/// Produce verbose output, multiple -v options increase the verbosity (max. 3)
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#[clap(short, long, global = true, parse(from_occurrences))]
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verbose: u32,
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/// Backend to be used
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#[clap(subcommand)]
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backend: Backend,
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}
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fn main() -> Result<()> {
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let opts: Opts = Opts::parse();
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env_logger::Builder::from_env(env_logger::Env::default().default_filter_or(
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match opts.verbose {
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0 => "warn",
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1 => "info",
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2 => "debug",
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_ => "trace",
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},
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))
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.init();
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match opts.backend {
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Backend::Posix(p) => match p {
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PosixCommand::Create(c) => c.run()?,
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PosixCommand::Info(i) => i.run()?,
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PosixCommand::List(l) => l.run()?,
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PosixCommand::Unlink(u) => u.run()?,
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PosixCommand::Send(s) => s.run()?,
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PosixCommand::Recv(r) => r.run()?,
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},
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Backend::Sysv(s) => match s {
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SysvCommand::Create(c) => c.run()?,
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SysvCommand::Info(i) => i.run()?,
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SysvCommand::List(l) => l.run()?,
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SysvCommand::Unlink(u) => u.run()?,
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},
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}
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Ok(())
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}
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