[pve-devel] [PATCH installer v2 2/8] tui: install_progress: move progress task into own function

Christoph Heiss c.heiss at proxmox.com
Fri Nov 10 15:17:20 CET 2023


No functional changes.

Signed-off-by: Christoph Heiss <c.heiss at proxmox.com>
---
Changes v1 -> v2:
  * new patch, separated out from patch #1
  * use static member function instead of top-level function

 .../src/views/install_progress.rs             | 299 +++++++++---------
 1 file changed, 152 insertions(+), 147 deletions(-)

diff --git a/proxmox-tui-installer/src/views/install_progress.rs b/proxmox-tui-installer/src/views/install_progress.rs
index 4dca81b..ccf53ad 100644
--- a/proxmox-tui-installer/src/views/install_progress.rs
+++ b/proxmox-tui-installer/src/views/install_progress.rs
@@ -10,7 +10,7 @@ use cursive::{
     utils::Counter,
     view::{Resizable, ViewWrapper},
     views::{Dialog, DummyView, LinearLayout, PaddedView, ProgressBar, TextContent, TextView},
-    Cursive,
+    CbSink, Cursive,
 };

 use crate::{abort_install_button, setup::InstallConfig, yes_no_dialog, InstallerState};
@@ -28,152 +28,7 @@ impl InstallProgressView {
         let progress_task = {
             let progress_text = progress_text.clone();
             let state = state.clone();
-            move |counter: Counter| {
-                let child = {
-                    use std::process::{Command, Stdio};
-
-                    let (path, args, envs): (&str, &[&str], Vec<(&str, &str)>) =
-                        if state.in_test_mode {
-                            (
-                                "./proxmox-low-level-installer",
-                                &["-t", "start-session-test"],
-                                vec![("PERL5LIB", ".")],
-                            )
-                        } else {
-                            ("proxmox-low-level-installer", &["start-session"], vec![])
-                        };
-
-                    Command::new(path)
-                        .args(args)
-                        .envs(envs)
-                        .stdin(Stdio::piped())
-                        .stdout(Stdio::piped())
-                        .spawn()
-                };
-
-                let mut child = match child {
-                    Ok(child) => child,
-                    Err(err) => {
-                        let _ = cb_sink.send(Box::new(move |siv| {
-                            siv.add_layer(
-                                Dialog::text(err.to_string())
-                                    .title("Error")
-                                    .button("Ok", Cursive::quit),
-                            );
-                        }));
-                        return;
-                    }
-                };
-
-                let inner = || {
-                    let reader = child.stdout.take().map(BufReader::new)?;
-                    let mut writer = child.stdin.take()?;
-
-                    serde_json::to_writer(&mut writer, &InstallConfig::from(state.options))
-                        .unwrap();
-                    writeln!(writer).unwrap();
-
-                    let writer = Arc::new(Mutex::new(writer));
-
-                    for line in reader.lines() {
-                        let line = match line {
-                            Ok(line) => line,
-                            Err(_) => break,
-                        };
-
-                        let msg = match line.parse::<UiMessage>() {
-                            Ok(msg) => msg,
-                            Err(stray) => {
-                                eprintln!("low-level installer: {stray}");
-                                continue;
-                            }
-                        };
-
-                        match msg {
-                            UiMessage::Info(s) => cb_sink.send(Box::new(|siv| {
-                                siv.add_layer(Dialog::info(s).title("Information"));
-                            })),
-                            UiMessage::Error(s) => cb_sink.send(Box::new(|siv| {
-                                siv.add_layer(Dialog::info(s).title("Error"));
-                            })),
-                            UiMessage::Prompt(s) => cb_sink.send({
-                                let writer = writer.clone();
-                                Box::new(move |siv| {
-                                    yes_no_dialog(
-                                        siv,
-                                        "Prompt",
-                                        &s,
-                                        Box::new({
-                                            let writer = writer.clone();
-                                            move |_| {
-                                                if let Ok(mut writer) = writer.lock() {
-                                                    let _ = writeln!(writer, "ok");
-                                                }
-                                            }
-                                        }),
-                                        Box::new(move |_| {
-                                            if let Ok(mut writer) = writer.lock() {
-                                                let _ = writeln!(writer);
-                                            }
-                                        }),
-                                    );
-                                })
-                            }),
-                            UiMessage::Progress(ratio, s) => {
-                                counter.set(ratio);
-                                progress_text.set_content(s);
-                                Ok(())
-                            }
-                            UiMessage::Finished(success, msg) => {
-                                counter.set(100);
-                                progress_text.set_content(msg.to_owned());
-                                cb_sink.send(Box::new(move |siv| {
-                                    let title = if success { "Success" } else { "Failure" };
-
-                                    // For rebooting, we just need to quit the installer,
-                                    // our caller does the actual reboot.
-                                    siv.add_layer(
-                                        Dialog::text(msg)
-                                            .title(title)
-                                            .button("Reboot now", Cursive::quit),
-                                    );
-
-                                    let autoreboot = siv
-                                        .user_data::<InstallerState>()
-                                        .map(|state| state.options.autoreboot)
-                                        .unwrap_or_default();
-
-                                    if autoreboot && success {
-                                        let cb_sink = siv.cb_sink();
-                                        thread::spawn({
-                                            let cb_sink = cb_sink.clone();
-                                            move || {
-                                                thread::sleep(Duration::from_secs(5));
-                                                let _ = cb_sink.send(Box::new(Cursive::quit));
-                                            }
-                                        });
-                                    }
-                                }))
-                            }
-                        }
-                        .unwrap();
-                    }
-
-                    Some(())
-                };
-
-                if inner().is_none() {
-                    cb_sink
-                        .send(Box::new(|siv| {
-                            siv.add_layer(
-                                Dialog::text("low-level installer exited early")
-                                    .title("Error")
-                                    .button("Exit", Cursive::quit),
-                            );
-                        }))
-                        .unwrap();
-                }
-            }
+            move |counter: Counter| Self::progress_task(counter, cb_sink, state, progress_text)
         };

         let progress_bar = ProgressBar::new().with_task(progress_task).full_width();
@@ -197,6 +52,156 @@ impl InstallProgressView {

         Self { view }
     }
+
+    fn progress_task(
+        counter: Counter,
+        cb_sink: CbSink,
+        state: InstallerState,
+        progress_text: TextContent,
+    ) {
+        let child = {
+            use std::process::{Command, Stdio};
+
+            let (path, args, envs): (&str, &[&str], Vec<(&str, &str)>) = if state.in_test_mode {
+                (
+                    "./proxmox-low-level-installer",
+                    &["-t", "start-session-test"],
+                    vec![("PERL5LIB", ".")],
+                )
+            } else {
+                ("proxmox-low-level-installer", &["start-session"], vec![])
+            };
+
+            Command::new(path)
+                .args(args)
+                .envs(envs)
+                .stdin(Stdio::piped())
+                .stdout(Stdio::piped())
+                .spawn()
+        };
+
+        let mut child = match child {
+            Ok(child) => child,
+            Err(err) => {
+                let _ = cb_sink.send(Box::new(move |siv| {
+                    siv.add_layer(
+                        Dialog::text(err.to_string())
+                            .title("Error")
+                            .button("Ok", Cursive::quit),
+                    );
+                }));
+                return;
+            }
+        };
+
+        let inner = || {
+            let reader = child.stdout.take().map(BufReader::new)?;
+            let mut writer = child.stdin.take()?;
+
+            serde_json::to_writer(&mut writer, &InstallConfig::from(state.options)).unwrap();
+            writeln!(writer).unwrap();
+
+            let writer = Arc::new(Mutex::new(writer));
+
+            for line in reader.lines() {
+                let line = match line {
+                    Ok(line) => line,
+                    Err(_) => break,
+                };
+
+                let msg = match line.parse::<UiMessage>() {
+                    Ok(msg) => msg,
+                    Err(stray) => {
+                        eprintln!("low-level installer: {stray}");
+                        continue;
+                    }
+                };
+
+                match msg {
+                    UiMessage::Info(s) => cb_sink.send(Box::new(|siv| {
+                        siv.add_layer(Dialog::info(s).title("Information"));
+                    })),
+                    UiMessage::Error(s) => cb_sink.send(Box::new(|siv| {
+                        siv.add_layer(Dialog::info(s).title("Error"));
+                    })),
+                    UiMessage::Prompt(s) => cb_sink.send({
+                        let writer = writer.clone();
+                        Box::new(move |siv| {
+                            yes_no_dialog(
+                                siv,
+                                "Prompt",
+                                &s,
+                                Box::new({
+                                    let writer = writer.clone();
+                                    move |_| {
+                                        if let Ok(mut writer) = writer.lock() {
+                                            let _ = writeln!(writer, "ok");
+                                        }
+                                    }
+                                }),
+                                Box::new(move |_| {
+                                    if let Ok(mut writer) = writer.lock() {
+                                        let _ = writeln!(writer);
+                                    }
+                                }),
+                            );
+                        })
+                    }),
+                    UiMessage::Progress(ratio, s) => {
+                        counter.set(ratio);
+                        progress_text.set_content(s);
+                        Ok(())
+                    }
+                    UiMessage::Finished(success, msg) => {
+                        counter.set(100);
+                        progress_text.set_content(msg.to_owned());
+                        cb_sink.send(Box::new(move |siv| {
+                            let title = if success { "Success" } else { "Failure" };
+
+                            // For rebooting, we just need to quit the installer,
+                            // our caller does the actual reboot.
+                            siv.add_layer(
+                                Dialog::text(msg)
+                                    .title(title)
+                                    .button("Reboot now", Cursive::quit),
+                            );
+
+                            let autoreboot = siv
+                                .user_data::<InstallerState>()
+                                .map(|state| state.options.autoreboot)
+                                .unwrap_or_default();
+
+                            if autoreboot && success {
+                                let cb_sink = siv.cb_sink();
+                                thread::spawn({
+                                    let cb_sink = cb_sink.clone();
+                                    move || {
+                                        thread::sleep(Duration::from_secs(5));
+                                        let _ = cb_sink.send(Box::new(Cursive::quit));
+                                    }
+                                });
+                            }
+                        }))
+                    }
+                }
+                .unwrap();
+            }
+
+            Some(())
+        };
+
+        if inner().is_none() {
+            cb_sink
+                .send(Box::new(|siv| {
+                    siv.add_layer(
+                        Dialog::text("low-level installer exited early")
+                            .title("Error")
+                            .button("Exit", Cursive::quit),
+                    );
+                }))
+                .unwrap();
+        }
+    }
 }

 impl ViewWrapper for InstallProgressView {
--
2.42.0






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