net.server_{select,event}: Add 'ondetach' callback for listener objects, to notify them when another listener is being assigned to a connection
--- a/net/server_event.lua Tue Sep 02 17:24:25 2014 +0200
+++ b/net/server_event.lua Fri Aug 29 11:39:56 2014 +0100
@@ -438,8 +438,11 @@
end
function interface_mt:setlistener(listener)
- self.onconnect, self.ondisconnect, self.onincoming, self.ontimeout, self.onstatus
- = listener.onconnect, listener.ondisconnect, listener.onincoming, listener.ontimeout, listener.onstatus;
+ self:ondetach(); -- Notify listener that it is no longer responsible for this connection
+ self.onconnect, self.ondisconnect, self.onincoming,
+ self.ontimeout, self.onstatus, self.ondetach
+ = listener.onconnect, listener.ondisconnect, listener.onincoming,
+ listener.ontimeout, listener.onstatus, listener.ondetach;
end
-- Stub handlers
@@ -453,6 +456,8 @@
end
function interface_mt:ondrain()
end
+ function interface_mt:ondetach()
+ end
function interface_mt:onstatus()
end
end
@@ -479,6 +484,7 @@
onincoming = listener.onincoming; -- will be called when client sends data
ontimeout = listener.ontimeout; -- called when fatal socket timeout occurs
ondrain = listener.ondrain; -- called when writebuffer is empty
+ ondetach = listener.ondetach; -- called when disassociating this listener from this connection
onstatus = listener.onstatus; -- called for status changes (e.g. of SSL/TLS)
eventread = false, eventwrite = false, eventclose = false,
eventhandshake = false, eventstarthandshake = false; -- event handler
--- a/net/server_select.lua Tue Sep 02 17:24:25 2014 +0200
+++ b/net/server_select.lua Fri Aug 29 11:39:56 2014 +0100
@@ -284,6 +284,7 @@
local status = listeners.onstatus
local disconnect = listeners.ondisconnect
local drain = listeners.ondrain
+ local detach = listener.ondetach
local bufferqueue = { } -- buffer array
local bufferqueuelen = 0 -- end of buffer array
@@ -313,10 +314,14 @@
return disconnect
end
handler.setlistener = function( self, listeners )
+ if detach then
+ detach(self) -- Notify listener that it is no longer responsible for this connection
+ end
dispatch = listeners.onincoming
disconnect = listeners.ondisconnect
status = listeners.onstatus
drain = listeners.ondrain
+ detach = listeners.ondetach
end
handler.getstats = function( )
return readtraffic, sendtraffic