From 7e435b703de9ef184ea92d3822d9f85e3beebf79 Mon Sep 17 00:00:00 2001
From: Georg Lukas <georg@op-co.de>
Date: Tue, 26 Mar 2019 11:01:36 +0100
Subject: Propagate disconnect() reason into 'disconnected' event

---
 slixmpp/xmlstream/xmlstream.py | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/slixmpp/xmlstream/xmlstream.py b/slixmpp/xmlstream/xmlstream.py
index db3d4684..9e407d7e 100644
--- a/slixmpp/xmlstream/xmlstream.py
+++ b/slixmpp/xmlstream/xmlstream.py
@@ -215,6 +215,9 @@ class XMLStream(asyncio.BaseProtocol):
         #: ``_xmpp-client._tcp`` service.
         self.dns_service = None
 
+        #: The reason why we are disconnecting from the server
+        self.disconnect_reason = None
+
         #: An asyncio Future being done when the stream is disconnected.
         self.disconnected = asyncio.Future()
 
@@ -268,6 +271,7 @@ class XMLStream(asyncio.BaseProtocol):
                                localhost
 
         """
+        self.disconnect_reason = None
         self.cancel_connection_attempt()
         if host and port:
             self.address = (host, int(port))
@@ -403,6 +407,7 @@ class XMLStream(asyncio.BaseProtocol):
                         # The stream's root element has closed,
                         # terminating the stream.
                         log.debug("End of stream received")
+                        self.disconnect_reason = "End of stream"
                         self.abort()
                     elif self.xml_depth == 1:
                         # A stanza is an XML element that is a direct child of
@@ -437,7 +442,7 @@ class XMLStream(asyncio.BaseProtocol):
         closure of the TCP connection
         """
         log.info("connection_lost: %s", (exception,))
-        self.event("disconnected")
+        self.event("disconnected", self.disconnect_reason or exception and exception.strerror)
         if self.end_session_on_disconnect:
             self.event('session_end')
         # All these objects are associated with one TCP connection.  Since
@@ -457,7 +462,7 @@ class XMLStream(asyncio.BaseProtocol):
             self._current_connection_attempt.cancel()
             self._current_connection_attempt = None
 
-    def disconnect(self, wait=2.0):
+    def disconnect(self, wait=2.0, reason=None):
         """Close the XML stream and wait for an acknowldgement from the server for
         at most `wait` seconds.  After the given number of seconds has
         passed without a response from the serveur, or when the server
@@ -470,6 +475,7 @@ class XMLStream(asyncio.BaseProtocol):
         :param wait: Time to wait for a response from the server.
 
         """
+        self.disconnect_reason = reason
         self.cancel_connection_attempt()
         if self.transport:
             self.send_raw(self.stream_footer)
@@ -488,12 +494,12 @@ class XMLStream(asyncio.BaseProtocol):
             self.disconnected.set_result(True)
             self.disconnected = asyncio.Future()
 
-    def reconnect(self, wait=2.0):
+    def reconnect(self, wait=2.0, reason="Reconnecting"):
         """Calls disconnect(), and once we are disconnected (after the timeout, or
         when the server acknowledgement is received), call connect()
         """
         log.debug("reconnecting...")
-        self.disconnect(wait)
+        self.disconnect(wait, reason)
         self.add_event_handler('disconnected', self.connect, disposable=True)
 
     def configure_socket(self):
-- 
cgit v1.2.3