protocols: consistently track ENDBURST on sub-servers too

protocols/hybrid.py

@@ -17,13 +17,11 @@ class HybridProtocol(TS6Protocol):
         self.casemapping = 'ascii'
         self.caps = {}
         self.hook_map = {'EOB': 'ENDBURST', 'TBURST': 'TOPIC', 'SJOIN': 'JOIN'}
-        self.has_eob = False
         self.protocol_caps -= {'slash-in-hosts'}
 
     def post_connect(self):
         """Initializes a connection to a server."""
         ts = self.start_ts
-        self.has_eob = False
         f = self.send
 
         # https://github.com/grawity/irc-docs/blob/master/server/ts6.txt#L80
@@ -227,12 +225,13 @@ class HybridProtocol(TS6Protocol):
         return {'channel': channel, 'setter': setter, 'ts': ts, 'text': topic}
 
     def handle_eob(self, numeric, command, args):
-        log.debug('(%s) end of burst received', self.name)
-        if not self.has_eob:  # Only call ENDBURST hooks if we haven't already.
+        """EOB (end-of-burst) handler."""
+        log.debug('(%s) end of burst received from %s', self.name, numeric)
+        if not self.servers[numeric].has_eob:
+            # Don't fight with TS6's generic PING-as-EOB
+            self.servers[numeric].has_eob = True
             return {}
 
-        self.has_eob = True
-
     def handle_svsmode(self, numeric, command, args):
         """
         Handles SVSMODE, which is used for sending services metadata

protocols/inspircd.py

@@ -716,6 +716,7 @@ class InspIRCdProtocol(TS6BaseProtocol):
 
     def handle_endburst(self, numeric, command, args):
         """ENDBURST handler; sends a hook with empty contents."""
+        self.servers[numeric].has_eob = True
         return {}
 
     def handle_away(self, numeric, command, args):

protocols/ngircd.py

@@ -504,12 +504,16 @@ class NgIRCdProtocol(IRCS2SProtocol):
         assert 'IRC+' in args[1], "Linking to non-ngIRCd server using this protocol module is not supported"
 
     def handle_ping(self, source, command, args):
-        if source == self.uplink:
+        """
+        Handles incoming PINGs (and implicit end of burst).
+        """
         self._send_with_prefix(self.sid, 'PONG %s :%s' % (self._expandPUID(self.sid), args[-1]), queue=False)
 
-            if not self.has_eob:
+        if not self.servers[source].has_eob:
             # Treat the first PING we receive as end of burst.
-                self.has_eob = True
+            self.servers[source].has_eob = True
+
+            if source == self.uplink:
                 self.connected.set()
 
             # Return the endburst hook.

protocols/p10.py

@@ -1110,14 +1110,17 @@ class P10Protocol(IRCS2SProtocol):
 
         return {'channel': channel, 'users': [source], 'modes':
                 self._channels[channel].modes, 'ts': ts or int(time.time())}
-
     handle_create = handle_join
+
     def handle_end_of_burst(self, source, command, args):
-        """Handles end of burst from our uplink."""
+        """Handles end of burst from servers."""
+
         # Send EOB acknowledgement; this is required by the P10 specification,
         # and needed if we want to be able to receive channel messages, etc.
         if source == self.uplink:
             self._send_with_prefix(self.sid, 'EA')
+
+        self.servers[source].has_eob = True
         return {}
 
     def handle_kick(self, source, command, args):

protocols/ts6.py

@@ -20,9 +20,6 @@ class TS6Protocol(TS6BaseProtocol):
         self.hook_map = {'SJOIN': 'JOIN', 'TB': 'TOPIC', 'TMODE': 'MODE', 'BMASK': 'MODE',
                          'EUID': 'UID', 'RSFNC': 'SVSNICK', 'ETB': 'TOPIC', 'USERMODE': 'MODE'}
 
-        # Track whether we've received end-of-burst from the uplink.
-        self.has_eob = False
-
         self.required_caps = {'EUID', 'SAVE', 'TB', 'ENCAP', 'QS', 'CHW'}
 
         # From ChatIRCd: https://github.com/ChatLounge/ChatIRCd/blob/master/doc/technical/ChatIRCd-extra.txt
@@ -264,7 +261,6 @@ class TS6Protocol(TS6BaseProtocol):
     def post_connect(self):
         """Initializes a connection to a server."""
         ts = self.start_ts
-        self.has_eob = False
 
         f = self.send
 
@@ -445,10 +441,10 @@ class TS6Protocol(TS6BaseProtocol):
         if self.is_internal_server(destination):
             self._send_with_prefix(destination, 'PONG %s %s' % (destination, source), queue=False)
 
-            if destination == self.sid and not self.has_eob:
-                # Charybdis' endburst is just sending a PING to the other server.
+            if not self.servers[source].has_eob:
+                # TS6 endburst is just sending a PING to the other server.
                 # https://github.com/charybdis-ircd/charybdis/blob/dc336d1/modules/core/m_server.c#L484-L485
-                self.has_eob = True
+                self.servers[source].has_eob = True
 
                 # Return the endburst hook.
                 return {'parse_as': 'ENDBURST'}

protocols/unreal.py

@@ -379,6 +379,7 @@ class UnrealProtocol(TS6BaseProtocol):
 
     def handle_eos(self, numeric, command, args):
         """EOS is used to denote end of burst."""
+        self.servers[numeric].has_eob = True
         return {}
 
     def handle_uid(self, numeric, command, args):