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extern crate coremidi;
use std::env;
fn main() {
let source_index = get_source_index();
println!("Source index: {}", source_index);
let source = coremidi::Source::from_index(source_index).unwrap();
println!("Source display name: {}", source.display_name().unwrap());
let client = coremidi::Client::new("Example Client").unwrap();
let callback = |packet_list: &coremidi::PacketList| {
println!("{}", packet_list);
};
let input_port = client.input_port("Example Port", callback).unwrap();
input_port.connect_source(&source).unwrap();
let mut input_line = String::new();
println!("Press Enter to Finish");
std::io::stdin()
.read_line(&mut input_line)
.expect("Failed to read line");
input_port.disconnect_source(&source).unwrap();
}
fn get_source_index() -> usize {
let mut args_iter = env::args();
let tool_name = args_iter
.next()
.and_then(|path| {
path.split(std::path::MAIN_SEPARATOR)
.last()
.map(|v| v.to_string())
})
.unwrap_or_else(|| "receive".to_string());
match args_iter.next() {
Some(arg) => match arg.parse::<usize>() {
Ok(index) => {
if index >= coremidi::Sources::count() {
println!("Source index out of range: {}", index);
std::process::exit(-1);
}
index
}
Err(_) => {
println!("Wrong source index: {}", arg);
std::process::exit(-1);
}
},
None => {
println!("Usage: {} <source-index>", tool_name);
println!();
println!("Available Sources:");
print_sources();
std::process::exit(-1);
}
}
}
fn print_sources() {
for (i, source) in coremidi::Sources.into_iter().enumerate() {
if let Some(display_name) = source.display_name() {
println!("[{}] {}", i, display_name)
}
}
}