lbry-sdk/lbrynet/lbrynet_daemon/DaemonControl.py
Job Evers-Meltzer 2c7fc3fb46 switch startup sequence to use inlineCallbacks
This cleans up the process, makes it more readable,
and better surfaces errors.
2016-12-28 11:21:10 -06:00

142 lines
5.1 KiB
Python

import argparse
import logging.handlers
import webbrowser
from twisted.internet import defer, reactor
from jsonrpc.proxy import JSONRPCProxy
from lbrynet import analytics
from lbrynet import conf
from lbrynet.core import log_support
from lbrynet.core import utils
from lbrynet.lbrynet_daemon.DaemonServer import DaemonServer
from lbrynet.conf import settings
log = logging.getLogger(__name__)
def test_internet_connection():
return utils.check_connection()
def stop():
def _disp_shutdown():
print "Shutting down lbrynet-daemon from command line"
log.info("Shutting down lbrynet-daemon from command line")
def _disp_not_running():
print "Attempt to shut down lbrynet-daemon from command line when daemon isn't running"
log.info("Attempt to shut down lbrynet-daemon from command line when daemon isn't running")
d = defer.Deferred(None)
d.addCallback(lambda _: JSONRPCProxy.from_url(settings.API_CONNECTION_STRING).stop())
d.addCallbacks(lambda _: _disp_shutdown(), lambda _: _disp_not_running())
d.callback(None)
def start():
parser = argparse.ArgumentParser(description="Launch lbrynet-daemon")
parser.add_argument("--wallet",
help="lbryum or ptc for testing, default lbryum",
type=str,
default=conf.LBRYUM_WALLET)
parser.add_argument("--ui", help="path to custom UI folder", default=None)
parser.add_argument(
"--branch",
help='Branch of lbry-web-ui repo to use, defaults to {}'.format(settings.ui_branch),
default=settings.ui_branch)
parser.add_argument('--no-launch', dest='launchui', action="store_false")
parser.add_argument("--http-auth", dest="useauth", action="store_true")
parser.add_argument(
'--log-to-console', dest='logtoconsole', action='store_true',
help=('Set to enable console logging. Set the --verbose flag '
' to enable more detailed console logging'))
parser.add_argument(
'--quiet', dest='quiet', action="store_true",
help=('If log-to-console is not set, setting this disables all console output. '
'If log-to-console is set, this argument is ignored'))
parser.add_argument(
'--verbose', nargs="*",
help=('Enable debug output. Optionally specify loggers for which debug output '
'should selectively be applied.'))
args = parser.parse_args()
utils.setup_certs_for_windows()
conf.update_settings_from_file()
update_settings_from_args(args)
lbrynet_log = settings.get_log_filename()
log_support.configure_logging(lbrynet_log, args.logtoconsole, args.verbose)
log.debug('Final Settings: %s', settings.get_dict())
try:
log.debug('Checking for an existing lbrynet daemon instance')
JSONRPCProxy.from_url(settings.API_CONNECTION_STRING).is_running()
log.info("lbrynet-daemon is already running")
if not args.logtoconsole:
print "lbrynet-daemon is already running"
return
except Exception:
log.debug('No lbrynet instance found, continuing to start')
pass
log.info("Starting lbrynet-daemon from command line")
if not args.logtoconsole and not args.quiet:
print "Starting lbrynet-daemon from command line"
print "To view activity, view the log file here: " + lbrynet_log
print "Web UI is available at http://%s:%i" % (settings.API_INTERFACE, settings.api_port)
print "JSONRPC API is available at " + settings.API_CONNECTION_STRING
print "To quit press ctrl-c or call 'stop' via the API"
if test_internet_connection():
analytics_manager = analytics.Manager.new_instance()
analytics_manager.send_server_startup()
start_server_and_listen(args.launchui, args.useauth, analytics_manager)
reactor.run()
if not args.logtoconsole and not args.quiet:
print "\nClosing lbrynet-daemon"
else:
log.info("Not connected to internet, unable to start")
if not args.logtoconsole:
print "Not connected to internet, unable to start"
return
def update_settings_from_args(args):
to_pass = {}
if args.ui:
to_pass['local_ui_path'] = args.ui
if args.branch:
to_pass['ui_branch'] = args.branch
to_pass['use_auth_http'] = args.useauth
to_pass['wallet'] = args.wallet
settings.update(to_pass)
@defer.inlineCallbacks
def start_server_and_listen(launchui, use_auth, analytics_manager):
"""The primary entry point for launching the daemon.
Args:
launchui: set to true to open a browser window
use_auth: set to true to enable http authentication
analytics_manager: to send analytics
"""
try:
daemon_server = DaemonServer(analytics_manager)
yield daemon_server.start(use_auth)
if launchui:
yield webbrowser.open(settings.UI_ADDRESS)
yield analytics_manager.send_server_startup_success()
except Exception as e:
log.exception('Failed to startup')
analytics_manager.send_server_startup_error(str(e))
reactor.callFromThread(reactor.stop)
if __name__ == "__main__":
start()