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vhost_user_net: switch to clap

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Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@intel.com>
This commit is contained in:
Ravi kumar Veeramally
2023-09-21 18:30:23 +03:00
committed by Bo Chen
parent d1f337aef1
commit 627a1456a7
3 changed files with 29 additions and 28 deletions
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2
vhost_user_net/Cargo.toml
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@@ -6,7 +6,7 @@ edition = "2021"
build = "../build.rs"
[dependencies]
argh = "0.1.9"
clap = { version = "4.3.11", features = ["wrap_help","cargo"] }
env_logger = "0.10.0"
epoll = "4.3.3"
libc = "0.2.147"

41
vhost_user_net/src/main.rs
View File

@@ -6,36 +6,25 @@
//
// SPDX-License-Identifier: (Apache-2.0 AND BSD-3-Clause)
use argh::FromArgs;
use clap::{Arg, Command};
use vhost_user_net::start_net_backend;
#[derive(FromArgs)]
/// Launch a vhost-user-net backend.
struct TopLevel {
#[argh(option, long = "net-backend")]
/// vhost-user-net backend parameters
/// ip=<ip_addr>,mask=<net_mask>,socket=<socket_path>,client=on|off,num_queues=<number_of_queues>,queue_size=<size_of_each_queue>,tap=<if_name>
backend_command: Option<String>,
#[argh(switch, short = 'V', long = "version")]
/// print version information
version: bool,
}
fn main() {
env_logger::init();
let toplevel: TopLevel = argh::from_env();
let cmd_arguments = Command::new("vhost-user-net backend")
.version(env!("CARGO_PKG_VERSION"))
.author(env!("CARGO_PKG_AUTHORS"))
.about("Launch a vhost-user-net backend.")
.arg(
Arg::new("net-backend")
.long("net-backend")
.help(vhost_user_net::SYNTAX)
.num_args(1)
.required(true),
)
.get_matches();
if toplevel.version {
println!("{} {}", env!("CARGO_BIN_NAME"), env!("BUILD_VERSION"));
return;
}
if toplevel.backend_command.is_none() {
println!("Please specify --net-backend");
std::process::exit(1)
}
start_net_backend(&toplevel.backend_command.unwrap());
let backend_command = cmd_arguments.get_one::<String>("net-backend").unwrap();
start_net_backend(backend_command);
}