-local handleclient;
-do
- local string_sub = string.sub -- caching table lookups
- local addevent = base.addevent
- local socket_gettime = socket.gettime
- function handleclient( client, ip, port, server, pattern, listener, sslctx ) -- creates an client interface
- --vdebug("creating client interfacce...")
- local interface = {
- type = "client";
- conn = client;
- currenttime = socket_gettime( ); -- safe the origin
- writebuffer = {}; -- writebuffer
- writebufferlen = 0; -- length of writebuffer
- send = client.send; -- caching table lookups
- receive = client.receive;
- onconnect = listener.onconnect; -- will be called when client disconnects
- ondisconnect = listener.ondisconnect; -- will be called when client disconnects
- onincoming = listener.onincoming; -- will be called when client sends data
- ontimeout = listener.ontimeout; -- called when fatal socket timeout occurs
- onreadtimeout = listener.onreadtimeout; -- called when socket inactivity 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
- eventconnect = false, eventsession = false; -- more event handler...
- eventwritetimeout = false; -- even more event handler...
- eventreadtimeout = false;
- fatalerror = false; -- error message
- writecallback = false; -- will be called on write events
- readcallback = false; -- will be called on read events
- nointerface = true; -- lock/unlock parameter of this interface
- noreading = false, nowriting = false; -- locks of the read/writecallback
- startsslcallback = false; -- starting handshake callback
- position = false; -- position of client in interfacelist
-
- -- Properties
- _ip = ip, _port = port, _server = server, _pattern = pattern,
- _serverport = (server and server:port() or nil),
- _sslctx = sslctx; -- parameters
- _usingssl = false; -- client is using ssl;
- }
- if not ssl then interface.starttls = false; end
- interface.id = tostring(interface):match("%x+$");
- interface.writecallback = function( event ) -- called on write events
- --vdebug( "new client write event, id/ip/port:", interface, ip, port )
- if interface.nowriting or ( interface.fatalerror and ( "client to close" ~= interface.fatalerror ) ) then -- leave this event
- --vdebug( "leaving this event because:", interface.nowriting or interface.fatalerror )
- interface.eventwrite = false
- return -1
- end
- if EV_TIMEOUT == event then -- took too long to write some data to socket -> disconnect
- interface.fatalerror = "timeout during writing"
- debug( "writing failed:", interface.fatalerror )
- interface:_close()
- interface.eventwrite = false
- return -1
- else -- can write :)
- if interface._usingssl then -- handle luasec
- if interface.eventreadtimeout then -- we have to read first
- local ret = interface.readcallback( ) -- call readcallback
- --vdebug( "tried to read in writecallback, result:", ret )
- end
- if interface.eventwritetimeout then -- luasec only
- interface.eventwritetimeout:close( ) -- first we have to close timeout event which where regged after a wantread error
- interface.eventwritetimeout = false
- end
- end
- interface.writebuffer = { t_concat(interface.writebuffer) }
- local succ, err, byte = interface.conn:send( interface.writebuffer[1], 1, interface.writebufferlen )
- --vdebug( "write data:", interface.writebuffer, "error:", err, "part:", byte )
- if succ then -- writing succesful
- interface.writebuffer[1] = nil
- interface.writebufferlen = 0
- interface:ondrain();
- if interface.fatalerror then
- debug "closing client after writing"
- interface:_close() -- close interface if needed
- elseif interface.startsslcallback then -- start ssl connection if needed
- debug "starting ssl handshake after writing"
- interface.eventstarthandshake = addevent( base, nil, EV_TIMEOUT, interface.startsslcallback, 0 )
- elseif interface.eventreadtimeout then
- return EV_WRITE, EV_TIMEOUT
- end
- interface.eventwrite = nil
- return -1
- elseif byte and (err == "timeout" or err == "wantwrite") then -- want write again
- --vdebug( "writebuffer is not empty:", err )
- interface.writebuffer[1] = string_sub( interface.writebuffer[1], byte + 1, interface.writebufferlen ) -- new buffer
- interface.writebufferlen = interface.writebufferlen - byte
- if "wantread" == err then -- happens only with luasec
- local callback = function( )
- interface:_close()
- interface.eventwritetimeout = nil
- return -1;
- end
- interface.eventwritetimeout = addevent( base, nil, EV_TIMEOUT, callback, cfg.WRITE_TIMEOUT ) -- reg a new timeout event
- debug( "wantread during write attempt, reg it in readcallback but dont know what really happens next..." )
- -- hopefully this works with luasec; its simply not possible to use 2 different write events on a socket in luaevent
- return -1
- end
- return EV_WRITE, cfg.WRITE_TIMEOUT
- else -- connection was closed during writing or fatal error
- interface.fatalerror = err or "fatal error"
- debug( "connection failed in write event:", interface.fatalerror )
- interface:_close()
- interface.eventwrite = nil
- return -1
- end
- end
+local function handleclient( client, ip, port, server, pattern, listener, sslctx ) -- creates an client interface
+ --vdebug("creating client interfacce...")
+ local interface = {
+ type = "client";
+ conn = client;
+ currenttime = socket_gettime( ); -- safe the origin
+ writebuffer = {}; -- writebuffer
+ writebufferlen = 0; -- length of writebuffer
+ send = client.send; -- caching table lookups
+ receive = client.receive;
+ onconnect = listener.onconnect; -- will be called when client disconnects
+ ondisconnect = listener.ondisconnect; -- will be called when client disconnects
+ onincoming = listener.onincoming; -- will be called when client sends data
+ ontimeout = listener.ontimeout; -- called when fatal socket timeout occurs
+ onreadtimeout = listener.onreadtimeout; -- called when socket inactivity 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
+ eventconnect = false, eventsession = false; -- more event handler...
+ eventwritetimeout = false; -- even more event handler...
+ eventreadtimeout = false;
+ fatalerror = false; -- error message
+ writecallback = false; -- will be called on write events
+ readcallback = false; -- will be called on read events
+ nointerface = true; -- lock/unlock parameter of this interface
+ noreading = false, nowriting = false; -- locks of the read/writecallback
+ startsslcallback = false; -- starting handshake callback
+ position = false; -- position of client in interfacelist
+
+ -- Properties
+ _ip = ip, _port = port, _server = server, _pattern = pattern,
+ _serverport = (server and server:port() or nil),
+ _sslctx = sslctx; -- parameters
+ _usingssl = false; -- client is using ssl;
+ }
+ if not has_luasec then interface.starttls = false; end
+ interface.id = tostring(interface):match("%x+$");
+ interface.writecallback = function( event ) -- called on write events
+ --vdebug( "new client write event, id/ip/port:", interface, ip, port )
+ if interface.nowriting or ( interface.fatalerror and ( "client to close" ~= interface.fatalerror ) ) then -- leave this event
+ --vdebug( "leaving this event because:", interface.nowriting or interface.fatalerror )
+ interface.eventwrite = false
+ return -1