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#!/usr/bin/env python3
"""Reproduce output-removal crashes only in a private headless compositor."""
import argparse
import json
import os
from pathlib import Path
import resource
import socket
import struct
import subprocess
import tempfile
import time
parser = argparse.ArgumentParser()
parser.add_argument('--mode', choices=['window', 'native', 'forced'], required=True)
parser.add_argument('--plugins', type=Path, required=True)
parser.add_argument('--gdb', action='store_true')
parser.add_argument('--cycle', action='store_true')
parser.add_argument('--order', default='213')
parser.add_argument('--return-order', default='123')
parser.add_argument('--clients', type=int, default=1)
parser.add_argument('--cycles', type=int, default=1)
parser.add_argument('--pause', type=float, default=.1)
parser.add_argument('--inhibit', action='store_true')
parser.add_argument('--unload', action='store_true')
args = parser.parse_args()
assert sorted(args.order) == sorted(args.return_order) == list('123')
assert os.geteuid() != 0, 'Run as an ordinary user'
resource.setrlimit(resource.RLIMIT_CORE, (0, 0))
runtime = Path(tempfile.mkdtemp(prefix='wayfire-crash-repro-'))
env = os.environ.copy()
for key in ['WAYLAND_DISPLAY', 'DISPLAY', 'WAYFIRE_SOCKET', '_WAYFIRE_SOCKET',
'WAYFIRE_CONFIG_FILE', 'WAYFIRE_DEFAULT_CONFIG_BACKEND', 'LD_LIBRARY_PATH']:
env.pop(key, None)
assert env.get('DBUS_SESSION_BUS_ADDRESS'), 'Use dbus-run-session'
env.update(XDG_RUNTIME_DIR=str(runtime), XDG_CONFIG_HOME=str(runtime / 'config'),
DBUS_SYSTEM_BUS_ADDRESS=env['DBUS_SESSION_BUS_ADDRESS'],
WLR_BACKENDS='headless', WLR_HEADLESS_OUTPUTS='3', WLR_RENDERER='gles2',
WLR_RENDER_DRM_DEVICE='/dev/dri/renderD128',
WAYFIRE_PLUGIN_PATH=str(args.plugins), GDK_BACKEND='wayland')
config = runtime / 'wayfire.ini'
config.write_text('''[core]
plugins = ipc ipc-rules window-rules stipc wm-actions force-fullscreen hotplug-test
xwayland = false
vwidth = 1
vheight = 1
stitch_enabled = true
stitch_outputs = HEADLESS-1 HEADLESS-2 HEADLESS-3
default_output = VIRTUAL-1
[force-fullscreen]
key_toggle_fullscreen = <alt> <super> KEY_F
constrain_pointer = false
preserve_aspect = true
transparent_behind_views = true
[output:HEADLESS-1]
mode = 640x480@60
position = 0,0
[output:HEADLESS-2]
mode = 640x480@60
position = 640,0
[output:HEADLESS-3]
mode = 640x480@60
position = 1280,0
''')
def ipc(method, data=None):
path = env['WAYFIRE_SOCKET']
assert Path(path).parent == runtime
with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as s:
s.settimeout(3)
s.connect(path)
payload = json.dumps({'method': method, 'data': data or {}}).encode()
s.sendall(struct.pack('<I', len(payload)) + payload)
def read(n):
buf = b''
while len(buf) < n:
part = s.recv(n - len(buf))
if not part:
raise EOFError('Private compositor disconnected')
buf += part
return buf
result = json.loads(read(struct.unpack('<I', read(4))[0]))
assert not isinstance(result, dict) or not result.get('error'), result
return result
def wait(fn, timeout=10):
end = time.monotonic() + timeout
while time.monotonic() < end:
assert process.poll() is None, f'Exited early: {runtime}'
value = fn()
if value:
return value
time.sleep(.05)
raise AssertionError(f'Timed out: {runtime}')
command = ['/usr/bin/wayfire', '-c', str(config)]
if args.gdb:
command = ['gdb', '-q', '-batch', '-ex', 'set pagination off', '-ex', 'set confirm off',
'-ex', 'run', '-ex', 'bt 24', '--args', *command]
clients = []
print(runtime, flush=True)
with (runtime / 'wayfire.log').open('w') as log:
process = subprocess.Popen(command, env=env, cwd=runtime, stdout=log, stderr=log)
try:
def connect():
sockets = list(runtime.glob('wayfire-*.socket'))
displays = [p for p in runtime.glob('wayland-*') if not p.name.endswith('.lock')]
if sockets and displays:
env['WAYFIRE_SOCKET'] = str(sockets[0])
env['WAYLAND_DISPLAY'] = displays[0].name
return True
wait(connect)
wait(lambda: any(o['name'] == 'VIRTUAL-1' for o in ipc('window-rules/list-outputs')))
with (runtime / 'client.log').open('w') as client_log:
for _ in range(args.clients):
clients.append(subprocess.Popen(['alacritty', '--class', 'crash-test', '-e', '/bin/sleep', '300'],
env=env, cwd=runtime, stdout=client_log, stderr=client_log))
def views():
return [v for v in ipc('window-rules/list-views') if v.get('app-id') == 'crash-test']
wait(lambda: len(vs := views()) == args.clients and all(v['mapped'] for v in vs))
ids = {v['id'] for v in views()}
def set_fullscreen():
for vid in sorted(ids):
ipc('window-rules/focus-view', {'id': vid})
wait(lambda: any(v['id'] == vid and v['activated'] for v in views()))
if args.mode == 'native':
ipc('wm-actions/set-fullscreen', {'view_id': vid, 'state': True})
elif args.mode == 'forced':
for key in ['KEY_LEFTALT', 'KEY_LEFTMETA', 'KEY_F']:
ipc('stipc/feed_key', {'key': key, 'state': True})
for key in ['KEY_F', 'KEY_LEFTMETA', 'KEY_LEFTALT']:
ipc('stipc/feed_key', {'key': key, 'state': False})
if args.mode != 'window':
wait(lambda: any(v['id'] == vid and v['fullscreen'] for v in views()))
if args.mode == 'forced' and args.cycle:
assert {v['id'] for v in ipc('hotplug-test/state') if v['forced']} == ids
set_fullscreen()
time.sleep(.4)
(runtime / 'before.json').write_text(json.dumps(ipc('window-rules/list-views'), indent=2))
if args.unload:
original_config = config.read_text()
if args.inhibit:
ipc('hotplug-test/inhibit', {'inhibited': True})
config.write_text(original_config.replace('wm-actions force-fullscreen', 'wm-actions'))
wait(lambda: not any(v['forced'] for v in ipc('hotplug-test/state')))
wait(lambda: all(not v['fullscreen'] for v in views()))
assert {v['id'] for v in views()} == ids
ipc('hotplug-test/inhibit', {'inhibited': False})
config.write_text(original_config)
time.sleep(.5)
set_fullscreen()
result = {'mode': args.mode, 'passed': True, 'unload': True, 'inhibited': args.inhibit,
'runtime': str(runtime)}
(runtime / 'result.json').write_text(json.dumps(result, indent=2))
print('PASS plugin unload/reload and fullscreen reuse', flush=True)
raise SystemExit(0)
if args.cycle:
states = []
for cycle in range(args.cycles):
if cycle:
set_fullscreen()
if args.inhibit:
ipc('hotplug-test/inhibit', {'inhibited': True})
for number in args.order:
ipc('hotplug-test/remove', {'name': 'HEADLESS-' + number})
time.sleep(args.pause)
wait(lambda: all(o['name'].startswith('NOOP-') for o in ipc('window-rules/list-outputs')))
off = views()
assert {v['id'] for v in off} == ids and all(p.poll() is None for p in clients), off
assert not any(v['forced'] for v in ipc('hotplug-test/state'))
for number in args.return_order:
ipc('hotplug-test/add', {'name': 'HEADLESS-' + number})
time.sleep(args.pause)
wait(lambda: [o['name'] for o in ipc('window-rules/list-outputs')] == ['VIRTUAL-1'])
restored = wait(lambda: (vs := views()) and all(v['mapped'] and v['output-name'] == 'VIRTUAL-1' for v in vs) and vs)
assert {v['id'] for v in restored} == ids and all(p.poll() is None for p in clients)
states.append({'cycle': cycle, 'off': off, 'restored': restored})
print(f'PASS cycle {cycle + 1}: off {args.order}, on {args.return_order}, {args.clients} {args.mode} window(s)', flush=True)
result = {'mode': args.mode, 'passed': True, 'states': states, 'runtime': str(runtime)}
(runtime / 'result.json').write_text(json.dumps(result, indent=2))
raise SystemExit(0)
try:
ipc('hotplug-test/remove', {'name': 'HEADLESS-2'})
except (EOFError, ConnectionError, TimeoutError):
pass
try:
code = process.wait(timeout=3)
result = {'mode': args.mode, 'exited': True, 'code': code, 'runtime': str(runtime)}
except subprocess.TimeoutExpired:
result = {'mode': args.mode, 'exited': False, 'outputs': ipc('window-rules/list-outputs'),
'runtime': str(runtime)}
(runtime / 'result.json').write_text(json.dumps(result, indent=2))
print(json.dumps(result), flush=True)
finally:
for client in clients:
if client.poll() is None:
client.terminate()
client.wait(timeout=5)
if process.poll() is None:
process.terminate()
try:
process.wait(timeout=5)
except subprocess.TimeoutExpired:
process.kill()
process.wait()
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