clan-vm-manager: Moved switch from list view to VM object.

pkgs/clan-vm-manager/clan_vm_manager/models/executor.py

@@ -3,6 +3,7 @@ import os
 import signal
 import sys
 import traceback
+from datetime import datetime
 from pathlib import Path
 from typing import Any
 
@@ -63,6 +64,7 @@ def _init_proc(
     out_file: Path,
     proc_name: str,
     on_except: Callable[[Exception, mp.process.BaseProcess], None] | None,
+    tstart: datetime,
     **kwargs: Any,
 ) -> None:
     # Create a new process group
@@ -85,8 +87,8 @@ def _init_proc(
 
     linebreak = "=" * 5
     # Execute the main function
-    print(linebreak + f"{func.__name__}:{pid}" + linebreak, file=sys.stderr)
-
+    print(linebreak + f" {func.__name__}:{pid} " + linebreak, file=sys.stderr)
+    print(f"Spawn overhead time: {datetime.now() - tstart}s", file=sys.stderr)
     try:
         func(**kwargs)
     except Exception as ex:
@@ -111,6 +113,8 @@ def spawn(
     func: Callable,
     **kwargs: Any,
 ) -> MPProcess:
+    tstart = datetime.now()
+
     # Decouple the process from the parent
     if mp.get_start_method(allow_none=True) is None:
         mp.set_start_method(method="forkserver")
@@ -121,7 +125,7 @@ def spawn(
     # Start the process
     proc = mp.Process(
         target=_init_proc,
-        args=(func, out_file, proc_name, on_except),
+        args=(func, out_file, proc_name, on_except, tstart),
         name=proc_name,
         kwargs=kwargs,
     )

pkgs/clan-vm-manager/clan_vm_manager/models/use_views.py

@@ -22,7 +22,6 @@ class Views:
 
     _instance: "None | Views" = None
     view: Adw.ViewStack
-    main_window: Adw.ApplicationWindow = None
 
     # Make sure the VMS class is used as a singleton
     def __init__(self) -> None:
@@ -35,6 +34,3 @@ class Views:
             cls.view = Adw.ViewStack()
 
         return cls._instance
-
-    def set_main_window(self, window: Adw.ApplicationWindow) -> None:
-        self.main_window = window

pkgs/clan-vm-manager/clan_vm_manager/models/use_vms.py

@@ -139,11 +139,38 @@ class VM(GObject.Object):
         # To be able to set the switch state programmatically
         # we need to store the handler id returned by the connect method
         # and block the signal while we change the state. This is cursed.
-        self.switch_handler_id: int = 0
+        self.switch = Gtk.Switch()
+        self.switch_handler_id: int = self.switch.connect(
+            "notify::active", self.on_switch_toggle
+        )
+        self.connect("vm_status_changed", self.vm_status_changed)
 
         # Make sure the VM is killed when the reference to this object is dropped
         self._finalizer = weakref.finalize(self, self.kill_ref_drop)
 
+    def vm_status_changed(self, vm: "VM", _vm: "VM") -> None:
+        self.switch.set_state(self.is_running() and not self.is_building())
+        if self.switch.get_sensitive() is False and not self.is_building():
+            self.switch.set_sensitive(True)
+
+        exit_vm = self.vm_process.proc.exitcode
+        exit_build = self.build_process.proc.exitcode
+        exitc = exit_vm or exit_build
+        if not self.is_running() and exitc != 0:
+            self.switch.handler_block(self.switch_handler_id)
+            self.switch.set_active(False)
+            self.switch.handler_unblock(self.switch_handler_id)
+            log.error(f"VM exited with error. Exitcode: {exitc}")
+
+    def on_switch_toggle(self, switch: Gtk.Switch, user_state: bool) -> None:
+        if switch.get_active():
+            switch.set_state(False)
+            self.start()
+        else:
+            switch.set_state(True)
+            self.shutdown()
+            switch.set_sensitive(False)
+
     # We use a context manager to create the machine object
     # and make sure it is destroyed when the context is exited
     @contextmanager
@@ -175,6 +202,7 @@ class VM(GObject.Object):
     def __start(self) -> None:
         with self.create_machine() as machine:
             # Start building VM
+            tstart = datetime.now()
             log.info(f"Building VM {self.get_id()}")
             log_dir = Path(str(self.log_dir.name))
             self.build_process = spawn(
@@ -203,6 +231,8 @@ class VM(GObject.Object):
 
             # Wait for the build to finish then hide the progress bar
             self.build_process.proc.join()
+            tend = datetime.now()
+            log.info(f"VM {self.get_id()} build took {tend - tstart}s")
             self.progress_bar.hide()
 
             # Check if the VM was built successfully
@@ -313,9 +343,11 @@ class VM(GObject.Object):
     def shutdown(self) -> None:
         if not self.is_running():
             log.warning("VM not running. Ignoring shutdown request.")
+            self.emit("vm_status_changed", self)
             return
         if self.is_shutting_down():
             log.warning("Shutdown already in progress")
+            self.emit("vm_status_changed", self)
             return
         self._stop_thread = threading.Thread(target=self.__stop)
         self._stop_thread.start()

pkgs/clan-vm-manager/clan_vm_manager/views/list.py

@@ -9,7 +9,6 @@ from clan_cli.clan_uri import ClanURI
 
 from clan_vm_manager.models.interfaces import ClanConfig
 from clan_vm_manager.models.use_join import Join, JoinValue
-from clan_vm_manager.models.use_views import Views
 from clan_vm_manager.models.use_vms import VMs
 
 gi.require_version("Adw", "1")
@@ -67,16 +66,17 @@ class ClanList(Gtk.Box):
         )
         self.group_list.add_css_class("group-list")
 
-        search_bar = Gtk.SearchBar()
-        # This widget will typically be the top-level window
-        search_bar.set_key_capture_widget(Views.use().main_window)
-        entry = Gtk.SearchEntry()
-        entry.set_placeholder_text("Search cLan")
-        entry.connect("search-changed", self.on_search_changed)
-        entry.add_css_class("search-entry")
-        search_bar.set_child(entry)
+        # disable search bar because of unsound handling of VM objects
+        # search_bar = Gtk.SearchBar()
+        # # This widget will typically be the top-level window
+        # search_bar.set_key_capture_widget(Views.use().main_window)
+        # entry = Gtk.SearchEntry()
+        # entry.set_placeholder_text("Search cLan")
+        # entry.connect("search-changed", self.on_search_changed)
+        # entry.add_css_class("search-entry")
+        # search_bar.set_child(entry)
 
-        self.append(search_bar)
+        # self.append(search_bar)
         self.append(self.join_boxed_list)
         self.append(self.group_list)
 
@@ -169,11 +169,9 @@ class ClanList(Gtk.Box):
         row.add_suffix(box)  # This allows children to have different sizes
 
         # ==== Action buttons ====
-        switch = Gtk.Switch()
-
         switch_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
         switch_box.set_valign(Gtk.Align.CENTER)
-        switch_box.append(switch)
+        switch_box.append(vm.switch)
 
         box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=5)
         box.set_valign(Gtk.Align.CENTER)
@@ -193,11 +191,6 @@ class ClanList(Gtk.Box):
         box.append(switch_box)
         box.append(pref_button)
 
-        vm.switch_handler_id = switch.connect(
-            "notify::active", partial(self.on_row_toggle, vm)
-        )
-        vm.connect("vm_status_changed", partial(self.vm_status_changed, switch))
-
         # suffix.append(box)
         row.add_suffix(box)
 
@@ -254,15 +247,6 @@ class ClanList(Gtk.Box):
 
         return row
 
-    def show_error_dialog(self, error: str) -> None:
-        p = Views.use().main_window
-
-        dialog = Adw.MessageDialog(heading="Error")
-        dialog.add_response("ok", "ok")
-        dialog.set_body(error)
-        dialog.set_transient_for(p)  # set the parent window of the dialog
-        dialog.choose()
-
     def on_join_request(self, widget: Any, url: str) -> None:
         log.debug("Join request: %s", url)
         clan_uri = ClanURI.from_str(url)
@@ -287,26 +271,3 @@ class ClanList(Gtk.Box):
         Join.use().discard(item)
         if not Join.use().list_store.get_n_items():
             self.join_boxed_list.add_css_class("no-shadow")
-
-    def on_row_toggle(self, vm: VM, switch: Gtk.Switch, user_state: bool) -> None:
-        if switch.get_active():
-            switch.set_state(False)
-            vm.start()
-        else:
-            switch.set_state(True)
-            vm.shutdown()
-            switch.set_sensitive(False)
-
-    def vm_status_changed(self, switch: Gtk.Switch, vm: VM, _vm: VM) -> None:
-        switch.set_state(vm.is_running() and not vm.is_building())
-        if switch.get_sensitive() is False and not vm.is_building():
-            switch.set_sensitive(True)
-
-        exit_vm = vm.vm_process.proc.exitcode
-        exit_build = vm.build_process.proc.exitcode
-        exitc = exit_vm or exit_build
-        if not vm.is_running() and exitc != 0:
-            switch.handler_block(vm.switch_handler_id)
-            switch.set_active(False)
-            switch.handler_unblock(vm.switch_handler_id)
-            log.error(f"VM exited with error. Exitcode: {exitc}")

pkgs/clan-vm-manager/clan_vm_manager/windows/main_window.py

@@ -33,7 +33,6 @@ class MainWindow(Adw.ApplicationWindow):
 
         # Initialize all views
         stack_view = Views.use().view
-        Views.use().set_main_window(self)
 
         scroll = Gtk.ScrolledWindow()
         scroll.set_propagate_natural_height(True)