2 LuaEvent - Copyright (C) 2007 Thomas Harning <harningt@gmail.com>
3 Licensed as LGPL - See doc/COPYING for details.
5 module("luaevent", package
.seeall
)
6 require("luaevent.core")
8 local EV_READ
= luaevent
.core
.EV_READ
9 local EV_WRITE
= luaevent
.core
.EV_WRITE
12 local hookedObjectMt
= false
14 function send(sock
, data
, start
, stop
)
16 local from
= start
or 1
20 s
, err
, sent
= sock
:send(data
, from
, stop
)
21 -- Add extra coro swap for fairness
22 -- CURRENTLY DISABLED FOR TESTING......
23 if fair
and math
.random(100) > 90 then
24 coroutine
.yield(EV_WRITE
)
26 if s
or err
~= "timeout" then return s
, err
, sent
end
27 coroutine
.yield(EV_WRITE
)
30 function receive(sock
, pattern
, part
)
32 pattern
= pattern
or '*l'
34 s
, err
, part
= sock
:receive(pattern
, part
)
35 if s
or err
~= "timeout" then return s
, err
, part
end
36 coroutine
.yield(EV_READ
)
39 -- same as above but with special treatment when reading chunks,
40 -- unblocks on any data received.
41 function receivePartial(client
, pattern
)
43 pattern
= pattern
or "*l"
45 s
, err
, part
= client
:receive(pattern
)
46 if s
or ( (type(pattern
)=="number") and part
~="" and part
~=nil ) or
47 err
~= "timeout" then return s
, err
, part
end
48 coroutine
.yield(EV_READ
)
51 function connect(sock
, ...)
53 local ret
, err
= sock
:connect(...)
54 if ret
or err
~= "timeout" then return ret
, err
end
55 coroutine
.yield(EV_WRITE
)
56 ret
, err
= sock
:connect(...)
57 if err
== "already connected" then
65 local function clientCoroutine(sock
, handler
)
66 -- Figure out what to do ......
70 local function serverCoroutine(sock
, callback
)
72 local event
= coroutine
.yield(EV_READ
)
74 local client
= sock
:accept()
76 --cl[#cl + 1] = client
78 local coFunc
= coroutine
.wrap(clientCoroutine
)
79 luaevent
.core
.addevent(client
, coFunc
, client
, callback
)
84 local oldAddEvent
= luaevent
.core
.addevent
85 luaevent
.core
.addevent
= function(...)
86 local item
= oldAddEvent(...)
87 if not item
then print("FAILED TO SETUP ITEM") return item
end
88 print("SETUP ITEM FOR: ", debug
.getmetatable(item
).getfd(item
))
89 if not hookedObjectMt
then
91 local mt
= debug
.getmetatable(item
)
93 mt
.__gc
= function(...)
94 print("RELEASING ITEM FOR: ", mt
.getfd(...))
101 function addserver(sock
, callback
)
102 local coFunc
= coroutine
.wrap(serverCoroutine
)
103 luaevent
.core
.addevent(sock
, coFunc
, sock
, callback
)
105 function addthread(sock
, func
, ...)
106 local coFunc
= coroutine
.wrap(func
)
107 luaevent
.core
.addevent(sock
, coFunc
, ...)
109 local _skt_mt
= {__index
= {
110 connect
= function(self
, ...)
111 return connect(self
.socket
, ...)
113 send
= function (self
, data
)
114 return send (self
.socket
, data
)
117 receive
= function (self
, pattern
)
118 if (self
.timeout
==0) then
119 return receivePartial(self
.socket
, pattern
)
121 return receive (self
.socket
, pattern
)
124 flush = function (self
)
125 return flush (self
.socket
)
128 settimeout
= function (self
,time
)
132 close
= function(self
)
137 return setmetatable({socket
= sock
}, _skt_mt
)
139 loop
= luaevent
.core
.loop