/todom96.nim Secret
Created
May 27, 2016 12:40
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proc poll*(timeout = 500) = | |
var | |
keys : array[64, ReadyKey] | |
let p = getGlobalDispatcher() | |
var i = 0 | |
var count = p.selector.selectInto(p.adjustedTimeout(timeout), keys) | |
# if count != 0: | |
# echo(count) | |
while i < count: | |
var data = PData(keys[i].data) | |
let fd = keys[i].fd | |
if isReadable(keys[i].events): | |
if data.readCB != nil: | |
let cb = data.readCB | |
if cb(fd.AsyncFD): | |
if cb == data.readCB: # this is check if readCB was already replaced by callback | |
data.readCB = nil | |
if isWritable(keys[i].events): | |
if data.writeCB != nil: | |
let cb = data.writeCB | |
if cb(fd.AsyncFD): | |
if cb == data.writeCB: # this is check if writeCB was already replace by callback | |
data.writeCB = nil | |
var newEvents = 0 | |
p.selector.withData(fd.SocketHandle, value) do: | |
if data.readCB != nil: newEvents = newEvents or EVENT_READ | |
if data.writeCB != nil: newEvents = newEvents or EVENT_WRITE | |
p.selector.updateHandle(fd.SocketHandle, newEvents) | |
inc(i) | |
# Timer processing. | |
processTimers(p) | |
# Callback queue processing | |
processPendingCallbacks(p) |
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