Overlord
493f91bc28
- Introduced the `--loopback-no-mix` flag to control 2-node vs 4-node loopback topologies. - Updated topology handling logic to recompute and migrate as needed based on loopback flags. - Enhanced database schema to include `loopback_no_mix` with automatic migration for backward compatibility. - Refactored `create`, `edit`, and `route` commands to integrate new topology management capabilities. - Improved `list` command output to include architecture details.
81 lines
2.9 KiB
Rust
81 lines
2.9 KiB
Rust
use crate::cli::CreateArgs;
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use crate::error::{Result, VmicError};
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use crate::pw::{loopback, PwGraph};
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use crate::state::{self, VmicState};
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use crate::ui;
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use std::process::Command;
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pub fn run(args: CreateArgs) -> Result<()> {
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state::require_valid_name(&args.name)?;
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let name = state::normalize(&args.name);
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let conn = state::open_db()?;
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if VmicState::exists(&conn, &name)? {
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return Err(VmicError::AlreadyExists(name));
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}
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let names = loopback::NodeNames::for_vmic(&name);
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let graph = PwGraph::connect()?;
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// pw-loopback may steal the default sink/source; restore them afterward.
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let orig_sink = default_output("get-default-sink");
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let orig_source = default_output("get-default-source");
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let stage = loopback::create_simple_stage(&graph, &names, &[], &[])?;
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if let Some(sink) = &orig_sink {
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let _ = Command::new("pactl").args(["set-default-sink", sink]).status();
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}
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if let Some(source) = &orig_source {
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let _ = Command::new("pactl").args(["set-default-source", source]).status();
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}
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// Insurance: a sink monitor feeding any vmic node is a feedback ring;
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// it should never exist, but tear it down if one appears anyway.
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let prefix = format!("vmic_{name}_");
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let removed = graph.break_feedback_rings(&prefix)?;
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if removed > 0 {
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ui::warn(&format!("removed {removed} unexpected monitor feedback link(s)."));
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}
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// A fresh vmic always starts as Simple2Node - no source can be mixed in
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// yet, so there's nothing for a 4-node split to isolate (see
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// commands::topology). mid_name/mix_name are still stored even though no
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// live node backs them yet: cheap, and needed if this vmic later
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// upgrades. mix_node_id/mix_pid stay at their Default (None).
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let mut state = VmicState {
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name: name.clone(),
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sink_name: names.sink.clone(),
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mid_name: names.mid,
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mix_name: names.mix,
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source_name: names.source.clone(),
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sink_node_id: Some(stage.sink_node_id),
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sink_pid: Some(stage.pid as i64),
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..Default::default()
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};
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if args.loopback {
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let loop_id = loopback::enable_self_monitor(&graph, &names.sink)?;
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state.loopback_id = Some(loop_id);
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}
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state.save(&conn)?;
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ui::ok(&format!("Created virtual microphone '{name}'."));
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if let (Some(sink), Some(source)) = (&orig_sink, &orig_source) {
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ui::info(&format!(" Default Output/Input kept intact ('{sink}' / '{source}')."));
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}
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println!(" In the source app, set output device to:");
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println!(" '{}'", ui::blue(&names.sink));
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println!(" In the receiving app, set input/mic device to:");
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println!(" '{}'", ui::blue(&names.source));
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Ok(())
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}
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fn default_output(subcommand: &str) -> Option<String> {
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let out = Command::new("pactl").arg(subcommand).output().ok()?;
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let s = String::from_utf8_lossy(&out.stdout).trim().to_string();
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(!s.is_empty()).then_some(s)
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}
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