feat: plugins start on service launch

src/ui/app.rs

@@ -43,7 +43,8 @@ use crate::{
         restore_runtime_entrypoint, set_runtime_entrypoint_launch_opts_from_profile,
     },
     util::file_utils::{
-        setcap_cap_sys_nice_eip, setcap_cap_sys_nice_eip_cmd, verify_cap_sys_nice_eip,
+        mark_as_executable, setcap_cap_sys_nice_eip, setcap_cap_sys_nice_eip_cmd,
+        verify_cap_sys_nice_eip,
     },
     vulkaninfo::VulkanInfo,
     wivrn_dbus,
@@ -80,6 +81,7 @@ pub struct App {
     config: Config,
     xrservice_worker: Option<JobWorker>,
     autostart_worker: Option<JobWorker>,
+    plugins_worker: Option<JobWorker>,
     restart_xrservice: bool,
     build_worker: Option<JobWorker>,
     profiles: Vec<Profile>,
@@ -102,6 +104,7 @@ pub enum Msg {
     OnServiceLog(Vec<String>),
     OnServiceExit(i32),
     OnAutostartExit(i32),
+    OnPluginsExit(i32),
     OnBuildLog(Vec<String>),
     OnBuildExit(i32),
     ClockTicking,
@@ -257,6 +260,39 @@ impl App {
             autostart_worker.start();
             self.autostart_worker = Some(autostart_worker);
         }
+
+        let plugins_cmd = self
+            .config
+            .plugins
+            .values()
+            .filter_map(|cp| {
+                if cp.enabled {
+                    if let Err(e) = mark_as_executable(&cp.exec_path) {
+                        eprintln!("Failed to mark plugin {} as executable: {e}", cp.appid);
+                        None
+                    } else {
+                        Some(format!("'{}'", cp.exec_path.to_string_lossy()))
+                    }
+                } else {
+                    None
+                }
+            })
+            .collect::<Vec<String>>()
+            .join(" & ");
+        if !plugins_cmd.is_empty() {
+            let mut jobs = VecDeque::new();
+            jobs.push_back(WorkerJob::new_cmd(
+                Some(prof.environment.clone()),
+                "sh".into(),
+                Some(vec!["-c".into(), plugins_cmd]),
+            ));
+            let plugins_worker = JobWorker::new(jobs, sender.input_sender(), |msg| match msg {
+                JobWorkerOut::Log(rows) => Msg::OnServiceLog(rows),
+                JobWorkerOut::Exit(code) => Msg::OnPluginsExit(code),
+            });
+            plugins_worker.start();
+            self.plugins_worker = Some(plugins_worker);
+        }
     }
 
     pub fn restore_openxr_openvr_files(&self) {
@@ -285,27 +321,20 @@ impl App {
     }
 
     pub fn shutdown_xrservice(&mut self) {
-        if let Some(worker) = self.autostart_worker.as_ref() {
-            worker.stop();
+        if let Some(w) = self.autostart_worker.as_ref() {
+            w.stop();
+        }
+        if let Some(w) = self.plugins_worker.as_ref() {
+            w.stop();
         }
-        self.xrservice_ready = false;
         if let Some(w) = self.openxr_prober_worker.as_ref() {
             w.stop();
             // this can cause threads to remain hanging...
             self.openxr_prober_worker = None;
         }
-        self.set_inhibit_session(false);
-        if let Some(worker) = self.xrservice_worker.as_ref() {
-            worker.stop();
+        if let Some(w) = self.xrservice_worker.as_ref() {
+            w.stop();
         }
-        self.libmonado = None;
-        self.main_view
-            .sender()
-            .emit(MainViewMsg::XRServiceActiveChanged(false, None, false));
-        self.debug_view
-            .sender()
-            .emit(DebugViewMsg::XRServiceActiveChanged(false));
-        self.xr_devices = vec![];
     }
 }
 
@@ -371,6 +400,8 @@ impl AsyncComponent for App {
                 }
             }
             Msg::OnServiceExit(code) => {
+                self.set_inhibit_session(false);
+                self.xrservice_ready = false;
                 self.restore_openxr_openvr_files();
                 self.main_view
                     .sender()
@@ -378,6 +409,8 @@ impl AsyncComponent for App {
                 self.debug_view
                     .sender()
                     .emit(DebugViewMsg::XRServiceActiveChanged(false));
+                self.libmonado = None;
+                self.xr_devices = vec![];
                 if code != 0 && code != 15 {
                     // 15 is SIGTERM
                     sender.input(Msg::OnServiceLog(vec![format!(
@@ -393,6 +426,7 @@ impl AsyncComponent for App {
                 }
             }
             Msg::OnAutostartExit(_) => self.autostart_worker = None,
+            Msg::OnPluginsExit(_) => self.plugins_worker = None,
             Msg::ClockTicking => {
                 self.main_view.sender().emit(MainViewMsg::ClockTicking);
                 let xrservice_worker_is_alive = self
@@ -998,6 +1032,7 @@ impl AsyncComponent for App {
             profiles,
             xrservice_worker: None,
             autostart_worker: None,
+            plugins_worker: None,
             build_worker: None,
             xr_devices: vec![],
             restart_xrservice: false,

src/ui/plugins/mod.rs

@@ -2,7 +2,7 @@ pub mod store;
 mod store_detail;
 mod store_row_factory;
 
-use crate::paths::get_plugins_dir;
+use crate::{paths::get_plugins_dir, util::file_utils::mark_as_executable};
 use serde::{Deserialize, Serialize};
 use std::path::PathBuf;
 
@@ -41,4 +41,8 @@ impl Plugin {
     pub fn is_installed(&self) -> bool {
         self.exec_path().exists()
     }
+
+    pub fn mark_as_executable(&self) -> anyhow::Result<()> {
+        mark_as_executable(&self.exec_path())
+    }
 }

src/util/file_utils.rs

@@ -7,6 +7,7 @@ use nix::{
 use std::{
     fs::{self, copy, create_dir_all, remove_dir_all, File, OpenOptions},
     io::{BufReader, BufWriter},
+    os::unix::fs::PermissionsExt,
     path::Path,
 };
 use tracing::{debug, error};
@@ -151,6 +152,17 @@ pub fn mount_has_nosuid(path: &Path) -> Result<bool, Errno> {
     }
 }
 
+pub fn mark_as_executable(path: &Path) -> anyhow::Result<()> {
+    if !path.is_file() {
+        bail!("Path '{}' is not a file", path.to_string_lossy())
+    } else {
+        let mut perms = fs::metadata(path)?.permissions();
+        perms.set_mode(perms.mode() | 0o111);
+        fs::set_permissions(path, perms)?;
+        Ok(())
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::mount_has_nosuid;