use reactor.fireSystemEvent instead of reactor.stop

lbrynet/dht/protocol.py

@@ -178,22 +178,7 @@ class KademliaProtocol(protocol.DatagramProtocol):
                     df.callback((message, address))
                 elif isinstance(message, msgtypes.ErrorMessage):
                     # The RPC request raised a remote exception; raise it locally
-                    if message.exceptionType.startswith('exceptions.'):
+                    remoteException = Exception(message.response)
-                        exceptionClassName = message.exceptionType[11:]
-                    else:
-                        localModuleHierarchy = self.__module__.split('.')
-                        remoteHierarchy = message.exceptionType.split('.')
-                        # strip the remote hierarchy
-                        while remoteHierarchy[0] == localModuleHierarchy[0]:
-                            remoteHierarchy.pop(0)
-                            localModuleHierarchy.pop(0)
-                        exceptionClassName = '.'.join(remoteHierarchy)
-                    remoteException = None
-                    try:
-                        exec 'remoteException = %s("%s")' % (exceptionClassName, message.response)
-                    except Exception:
-                        # We could not recreate the exception; create a generic one
-                        remoteException = Exception(message.response)
                     df.errback(remoteException)
                 else:
                     # We got a result from the RPC

lbrynet/lbrynet_daemon/Daemon.py

@@ -169,8 +169,6 @@ class Daemon(AuthJSONRPCServer):
 
     def __init__(self, root, analytics_manager):
         AuthJSONRPCServer.__init__(self, conf.settings['use_auth_http'])
-        reactor.addSystemEventTrigger('before', 'shutdown', self._shutdown)
-
         self.allowed_during_startup = [
             'stop', 'status', 'version',
             # delete these once they are fully removed:
@@ -239,6 +237,8 @@ class Daemon(AuthJSONRPCServer):
 
     @defer.inlineCallbacks
     def setup(self, launch_ui):
+        reactor.addSystemEventTrigger('before', 'shutdown', self._shutdown)
+
         self._modify_loggly_formatter()
 
         @defer.inlineCallbacks
@@ -1281,6 +1281,7 @@ class Daemon(AuthJSONRPCServer):
         """
         return self.jsonrpc_daemon_stop()
 
+    @defer.inlineCallbacks
     def jsonrpc_daemon_stop(self):
         """
         Stop lbrynet-daemon
@@ -1289,13 +1290,10 @@ class Daemon(AuthJSONRPCServer):
             (string) Shutdown message
         """
 
-        def _display_shutdown_message():
+        log.info("Shutting down lbrynet daemon")
-            log.info("Shutting down lbrynet daemon")
+        response = yield self._render_response("Shutting down")
-
+        reactor.callLater(0.1, reactor.fireSystemEvent, "shutdown")
-        d = self._shutdown()
+        defer.returnValue(response)
-        d.addCallback(lambda _: _display_shutdown_message())
-        d.addCallback(lambda _: reactor.callLater(0.0, reactor.stop))
-        return self._render_response("Shutting down")
 
     @defer.inlineCallbacks
     def jsonrpc_file_list(self, **kwargs):

lbrynet/lbrynet_daemon/DaemonControl.py

@@ -120,22 +120,15 @@ def start_server_and_listen(launchui, use_auth, analytics_manager, max_tries=5):
         analytics_manager: to send analytics
     """
     analytics_manager.send_server_startup()
-    tries = 1
+    daemon_server = DaemonServer(analytics_manager)
-    while tries < max_tries:
+    try:
-        log.info('Making attempt %s / %s to startup', tries, max_tries)
+        yield daemon_server.start(use_auth, launchui)
-        try:
+        analytics_manager.send_server_startup_success()
-            daemon_server = DaemonServer(analytics_manager)
+    except Exception as e:
-            yield daemon_server.start(use_auth, launchui)
+        log.exception('Failed to startup')
-            analytics_manager.send_server_startup_success()
+        yield daemon_server.stop()
-            break
+        analytics_manager.send_server_startup_error(str(e))
-        except Exception as e:
+        reactor.fireSystemEvent("shutdown")
-            log.exception('Failed to startup')
-            yield daemon_server.stop()
-            analytics_manager.send_server_startup_error(str(e))
-        tries += 1
-    else:
-        log.warn("Exceeded max tries to start up, stopping")
-        reactor.callFromThread(reactor.stop)
 
 
 if __name__ == "__main__":

lbrynet/lbrynet_daemon/DaemonServer.py

@@ -55,6 +55,7 @@ class DaemonServer(object):
         if self.server_port is not None:
             yield self.server_port.stopListening()
 
+
 def get_site_base(use_auth, root):
     if use_auth:
         log.info("Using authenticated API")

lbrynet/lbrynet_daemon/ExchangeRateManager.py

@@ -2,7 +2,7 @@ import time
 import requests
 import logging
 import json
-from twisted.internet import defer, threads, reactor
+from twisted.internet import defer, threads
 from twisted.internet.task import LoopingCall
 
 from lbrynet import conf
@@ -167,7 +167,6 @@ def get_default_market_feed(currency_pair):
 
 class ExchangeRateManager(object):
     def __init__(self):
-        reactor.addSystemEventTrigger('before', 'shutdown', self.stop)
         self.market_feeds = [
             get_default_market_feed(currency_pair) for currency_pair in CURRENCY_PAIRS]