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Refactoring in preparation for WebSockets (#254)

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* Fix injector race conditions

* add some more tasks

* hide useless rollup warnings

* goodbye to clientsession errors

* completely fix desktop mode switch race condition

* fix typos and TS warning in plugin error handler

* fix chown error

* start debugger if needed and not already started

* fix get_steam_resource for the like 2 legacy plugins still using it lol

* add ClientOSError to get_tabs error handling
This commit is contained in:
AAGaming
2022-11-15 16:44:24 -05:00
committed by GitHub
parent aec7063139
commit e803f01efe
9 changed files with 295 additions and 228 deletions
Download Patch File Download Diff File Expand all files Collapse all files
.vscode/tasks.json
Vendored
+32 -5
View File
@@ -14,7 +14,9 @@
"label": "localrun",
"type": "shell",
"group": "none",
"dependsOn" : ["buildall"],
"dependsOn": [
"buildall"
],
"detail": "Check for local runs, create a plugins folder",
"command": "mkdir -p plugins",
"problemMatcher": []
@@ -48,6 +50,16 @@
"command": "cd frontend && pnpm i",
"problemMatcher": []
},
{
"script": "watch",
"type": "npm",
"path": "frontend",
"group": "build",
"problemMatcher": [],
"label": "watchfrontend",
"detail": "rollup -c -w",
"isBackground": true
},
{
"label": "buildfrontend",
"type": "npm",
@@ -55,8 +67,7 @@
"detail": "rollup -c",
"script": "build",
"path": "frontend",
"problemMatcher": [],
"problemMatcher": []
},
{
"label": "buildall",
@@ -95,7 +106,9 @@
"detail": "Run indev PluginLoader on Deck",
"type": "shell",
"group": "none",
"dependsOn" : ["checkforsettings"],
"dependsOn": [
"checkforsettings"
],
"command": "ssh deck@${config:deckip} -p ${config:deckport} ${config:deckkey} 'export PLUGIN_PATH=${config:deckdir}/homebrew/dev/plugins; export CHOWN_PLUGIN_PATH=0; export LOG_LEVEL=DEBUG; cd ${config:deckdir}/homebrew/services; echo '${config:deckpass}' | sudo -SE python3 ${config:deckdir}/homebrew/dev/pluginloader/backend/main.py'",
"problemMatcher": []
},
@@ -108,6 +121,20 @@
"problemMatcher": []
},
// ALL-IN-ONES
{
"label": "deployandrun",
"detail": "Deploy and run, skipping JS build. Useful when combined with npm:watch",
"dependsOrder": "sequence",
"group": {
"kind": "build",
"isDefault": true
},
"dependsOn": [
"deploy",
"runpydeck"
],
"problemMatcher": []
},
{
"label": "updateremote",
"detail": "Build and deploy",
@@ -115,7 +142,7 @@
"group": "none",
"dependsOn": [
"buildall",
"deploy",
"deploy"
],
"problemMatcher": []
},
backend/injector.py
+23 -4
View File
@@ -6,7 +6,7 @@ from traceback import format_exc
from typing import List
from aiohttp import ClientSession, WSMsgType
from aiohttp.client_exceptions import ClientConnectorError
from aiohttp.client_exceptions import ClientConnectorError, ClientOSError
from asyncio.exceptions import TimeoutError
import uuid
@@ -32,12 +32,15 @@ class Tab:
self.websocket = await self.client.ws_connect(self.ws_url)
async def close_websocket(self):
await self.websocket.close()
await self.client.close()
async def listen_for_message(self):
async for message in self.websocket:
data = message.json()
yield data
logger.warn(f"The Tab {self.title} socket has been disconnected while listening for messages.")
await self.close_websocket()
async def _send_devtools_cmd(self, dc, receive=True):
if self.websocket:
@@ -52,6 +55,7 @@ class Tab:
raise RuntimeError("Websocket not opened")
async def evaluate_js(self, js, run_async=False, manage_socket=True, get_result=True):
try:
if manage_socket:
await self.open_websocket()
@@ -64,6 +68,7 @@ class Tab:
}
}, get_result)
finally:
if manage_socket:
await self.close_websocket()
return res
@@ -77,6 +82,7 @@ class Tab:
return res["result"]["result"]["value"]
async def close(self, manage_socket=True):
try:
if manage_socket:
await self.open_websocket()
@@ -84,6 +90,7 @@ class Tab:
"method": "Page.close",
}, False)
finally:
if manage_socket:
await self.close_websocket()
return res
@@ -105,6 +112,7 @@ class Tab:
}, False)
async def refresh(self):
try:
if manage_socket:
await self.open_websocket()
@@ -112,6 +120,7 @@ class Tab:
"method": "Page.reload",
}, False)
finally:
if manage_socket:
await self.close_websocket()
@@ -120,6 +129,7 @@ class Tab:
"""
Reloads the current tab, with JS to run on load via debugger
"""
try:
if manage_socket:
await self.open_websocket()
@@ -175,6 +185,7 @@ class Tab:
"method": "Debugger.disable"
}, True)
finally:
if manage_socket:
await self.close_websocket()
return
@@ -212,6 +223,7 @@ class Tab:
(see remove_script_to_evaluate_on_new_document below)
None is returned if `get_result` is False
"""
try:
wrappedjs = """
function scriptFunc() {
@@ -236,6 +248,7 @@ class Tab:
}
}, get_result)
finally:
if manage_socket:
await self.close_websocket()
return res
@@ -250,6 +263,7 @@ class Tab:
The identifier of the script to remove (returned from `add_script_to_evaluate_on_new_document`)
"""
try:
if manage_socket:
await self.open_websocket()
@@ -260,6 +274,7 @@ class Tab:
}
}, False)
finally:
if manage_socket:
await self.close_websocket()
@@ -337,17 +352,21 @@ class Tab:
async def get_tabs() -> List[Tab]:
async with ClientSession() as web:
res = {}
na = False
while True:
try:
async with ClientSession() as web:
res = await web.get(f"{BASE_ADDRESS}/json", timeout=3)
except ClientConnectorError:
logger.debug("ClientConnectorError excepted.")
if not na:
logger.debug("Steam isn't available yet. Wait for a moment...")
logger.error(format_exc())
na = True
await sleep(5)
except ClientOSError:
logger.warn(f"The request to {BASE_ADDRESS}/json was reset")
await sleep(1)
except TimeoutError:
logger.warn(f"The request to {BASE_ADDRESS}/json timed out")
await sleep(1)
backend/loader.py
+1 -1
View File
@@ -208,7 +208,7 @@ class Loader:
return web.Response(text=ret)
async def get_steam_resource(self, request):
tab = await get_tab("QuickAccess")
tab = await get_tab("SP")
try:
return web.Response(text=await tab.get_steam_resource(f"https://steamloopback.host/{request.match_info['path']}"), content_type="text/html")
except Exception as e:
backend/main.py
+38 -26
View File
@@ -4,7 +4,7 @@ from subprocess import call
if hasattr(sys, '_MEIPASS'):
call(['chmod', '-R', '755', sys._MEIPASS])
# Full imports
from asyncio import get_event_loop, sleep
from asyncio import new_event_loop, set_event_loop, sleep
from json import dumps, loads
from logging import DEBUG, INFO, basicConfig, getLogger
from os import getenv, chmod, path
@@ -12,7 +12,7 @@ from traceback import format_exc
import aiohttp_cors
# Partial imports
from aiohttp import ClientSession, client_exceptions, WSMsgType
from aiohttp import client_exceptions, WSMsgType
from aiohttp.web import Application, Response, get, run_app, static
from aiohttp_jinja2 import setup as jinja_setup
@@ -21,7 +21,7 @@ from browser import PluginBrowser
from helpers import (REMOTE_DEBUGGER_UNIT, csrf_middleware, get_csrf_token,
get_home_path, get_homebrew_path, get_user,
get_user_group, set_user, set_user_group,
stop_systemd_unit)
stop_systemd_unit, start_systemd_unit)
from injector import get_gamepadui_tab, Tab, get_tabs
from loader import Loader
from settings import SettingsManager
@@ -56,15 +56,15 @@ basicConfig(
logger = getLogger("Main")
async def chown_plugin_dir(_):
async def chown_plugin_dir():
code_chown = call(["chown", "-R", USER+":"+GROUP, CONFIG["plugin_path"]])
code_chmod = call(["chmod", "-R", "555", CONFIG["plugin_path"]])
if code_chown != 0 or code_chmod != 0:
logger.error(f"chown/chmod exited with a non-zero exit code (chown: {code_chown}, chmod: {code_chmod})")
class PluginManager:
def __init__(self) -> None:
self.loop = get_event_loop()
def __init__(self, loop) -> None:
self.loop = loop
self.web_app = Application()
self.web_app.middlewares.append(csrf_middleware)
self.cors = aiohttp_cors.setup(self.web_app, defaults={
@@ -81,12 +81,19 @@ class PluginManager:
self.updater = Updater(self)
jinja_setup(self.web_app)
async def startup(_):
if self.settings.getSetting("cef_forward", False):
self.loop.create_task(start_systemd_unit(REMOTE_DEBUGGER_UNIT))
else:
self.loop.create_task(stop_systemd_unit(REMOTE_DEBUGGER_UNIT))
if CONFIG["chown_plugin_path"] == True:
self.web_app.on_startup.append(chown_plugin_dir)
chown_plugin_dir()
self.loop.create_task(self.loader_reinjector())
self.loop.create_task(self.load_plugins())
if not self.settings.getSetting("cef_forward", False):
self.loop.create_task(stop_systemd_unit(REMOTE_DEBUGGER_UNIT))
self.web_app.on_startup.append(startup)
self.loop.set_exception_handler(self.exception_handler)
self.web_app.add_routes([get("/auth/token", self.get_auth_token)])
@@ -103,31 +110,29 @@ class PluginManager:
async def get_auth_token(self, request):
return Response(text=get_csrf_token())
async def wait_for_server(self):
async with ClientSession() as web:
while True:
try:
await web.get(f"http://{CONFIG['server_host']}:{CONFIG['server_port']}")
return
except Exception as e:
await sleep(0.1)
async def load_plugins(self):
await self.wait_for_server()
# await self.wait_for_server()
logger.debug("Loading plugins")
self.plugin_loader.import_plugins()
# await inject_to_tab("SP", "window.syncDeckyPlugins();")
async def loader_reinjector(self):
while True:
tab = None
nf = False
dc = False
while not tab:
try:
tab = await get_gamepadui_tab()
except client_exceptions.ClientConnectorError or client_exceptions.ServerDisconnectedError:
logger.debug("Couldn't connect to debugger, waiting 5 seconds.")
if not dc:
logger.debug("Couldn't connect to debugger, waiting...")
dc = True
pass
except ValueError:
logger.debug("Couldn't find GamepadUI tab, waiting 5 seconds")
if not nf:
logger.debug("Couldn't find GamepadUI tab, waiting...")
nf = True
pass
if not tab:
await sleep(5)
@@ -136,15 +141,20 @@ class PluginManager:
await self.inject_javascript(tab, True)
try:
async for msg in tab.listen_for_message():
# this gets spammed a lot
if msg.get("method", None) != "Page.navigatedWithinDocument":
logger.debug("Page event: " + str(msg.get("method", None)))
if msg.get("method", None) == "Page.domContentEventFired":
if not await tab.has_global_var("deckyHasLoaded", False):
await self.inject_javascript(tab)
if msg.get("method", None) == "Inspector.detached" or msg.get("type", None) in (WSMsgType.CLOSED, WSMsgType.ERROR):
logger.info("CEF has disconnected...")
logger.debug("Exit message: " + str(msg))
if msg.get("method", None) == "Inspector.detached":
logger.info("CEF has requested that we detach.")
await tab.close_websocket()
break
# If this is a forceful disconnect the loop will just stop without any failure message. In this case, injector.py will handle this for us so we don't need to close the socket.
# This is because of https://github.com/aio-libs/aiohttp/blob/3ee7091b40a1bc58a8d7846e7878a77640e96996/aiohttp/client_ws.py#L321
logger.info("CEF has disconnected...")
# At this point the loop starts again and we connect to the freshly started Steam client once it is ready.
except Exception as e:
logger.error("Exception while reading page events " + format_exc())
await tab.close_websocket()
@@ -166,7 +176,7 @@ class PluginManager:
# logger.debug("Closing tab: " + getattr(t, "title", "Untitled"))
# await t.close()
# await sleep(0.5)
await tab.evaluate_js("try{if (window.deckyHasLoaded){setTimeout(() => SteamClient.User.StartRestart(), 100)}else{window.deckyHasLoaded = true;(async()=>{while(!window.SP_REACT){await new Promise(r => setTimeout(r, 10))};await import('http://localhost:1337/frontend/index.js')})();}}catch(e){console.error(e)}", False, False, False)
await tab.evaluate_js("try{if (window.deckyHasLoaded){setTimeout(() => SteamClient.User.StartRestart(), 100)}else{window.deckyHasLoaded = true;(async()=>{try{while(!window.SP_REACT){await new Promise(r => setTimeout(r, 10))};await import('http://localhost:1337/frontend/index.js')}catch(e){console.error(e)};})();}}catch(e){console.error(e)}", False, False, False)
except:
logger.info("Failed to inject JavaScript into tab\n" + format_exc())
pass
@@ -175,4 +185,6 @@ class PluginManager:
return run_app(self.web_app, host=CONFIG["server_host"], port=CONFIG["server_port"], loop=self.loop, access_log=None)
if __name__ == "__main__":
PluginManager().run()
loop = new_event_loop()
set_event_loop(loop)
PluginManager(loop).run()
backend/updater.py
+1 -1
View File
@@ -198,7 +198,7 @@ class Updater:
logger.info("Updated loader installation.")
await tab.evaluate_js("window.DeckyUpdater.finish()", False, False)
await self.do_restart()
await tab.client.close()
await tab.close_websocket()
async def do_restart(self):
call(["systemctl", "daemon-reload"])
backend/utilities.py
+2 -2
View File
@@ -80,7 +80,7 @@ class Utilities:
async def http_request(self, method="", url="", **kwargs):
async with ClientSession() as web:
async with web.request(method, url, ssl=helpers.get_ssl_context(), **kwargs) as res:
res = await web.request(method, url, ssl=helpers.get_ssl_context(), **kwargs)
return {
"status": res.status,
"headers": dict(res.headers),
@@ -241,7 +241,7 @@ class Utilities:
if ip != None:
self.logger.info("Connecting to React DevTools at " + ip)
async with ClientSession() as web:
async with web.request("GET", "http://" + ip + ":8097", ssl=helpers.get_ssl_context()) as res:
res = await web.request("GET", "http://" + ip + ":8097", ssl=helpers.get_ssl_context())
if res.status != 200:
self.logger.error("Failed to connect to React DevTools at " + ip)
return False
frontend/rollup.config.js
+10 -1
View File
@@ -5,7 +5,12 @@ import externalGlobals from "rollup-plugin-external-globals";
import del from 'rollup-plugin-delete'
import replace from '@rollup/plugin-replace';
import typescript from '@rollup/plugin-typescript';
import { defineConfig } from 'rollup';
import { defineConfig, handleWarning } from 'rollup';
const hiddenWarnings = [
"THIS_IS_UNDEFINED",
"EVAL"
];
export default defineConfig({
input: 'src/index.tsx',
@@ -35,5 +40,9 @@ export default defineConfig({
chunkFileNames: (chunkInfo) => {
return 'chunk-[hash].js'
}
},
onwarn: function ( message ) {
if (hiddenWarnings.some(warning => message.code === warning)) return;
handleWarning(message);
}
});
frontend/src/plugin-loader.tsx
+3 -3
View File
@@ -249,11 +249,11 @@ class PluginLoader extends Logger {
<>
Error:{' '}
<pre>
<code>{e instanceof Error ? e.stack : e?.toString()}</code>
<code>{e instanceof Error ? e.stack : JSON.stringify(e)}</code>
</pre>
<>
Please go to <FaCog style={{ display: 'inline' }} /> in Decky Loader.e settings menu if you need to
uninstall this plugin.
Please go to <FaCog style={{ display: 'inline' }} /> in the Decky menu if you need to uninstall this
plugin.
</>
</>
);