added some asycn socket code
This commit is contained in:
hyunghwan.chung
parent
204a6b16b9
commit
82160e03dd
@ -258,7 +258,9 @@ class AsyncHandle(Object)
|
||||
|
||||
class Socket(AsyncHandle) from 'sck'
|
||||
{
|
||||
var(#get) eventActions.
|
||||
var(#get) dataInEventAction.
|
||||
var(#get) dataOutEventAction.
|
||||
|
||||
var pending_bytes, pending_offset, pending_length.
|
||||
var outreadysem, outdonesem, inreadysem.
|
||||
|
||||
@ -288,13 +290,6 @@ pooldic Socket.Type
|
||||
DGRAM := 2.
|
||||
}
|
||||
|
||||
pooldic Socket.EventType
|
||||
{
|
||||
CONNECTED := 0.
|
||||
DATA_IN := 1.
|
||||
DATA_OUT := 2.
|
||||
}
|
||||
|
||||
extend Socket
|
||||
{
|
||||
method(#class) new { self messageProhibited: #new }
|
||||
@ -308,31 +303,43 @@ extend Socket
|
||||
method initialize
|
||||
{
|
||||
super initialize.
|
||||
self.eventActions := %(nil, nil, nil).
|
||||
|
||||
self.outdonesem := Semaphore new.
|
||||
self.outreadysem := Semaphore new.
|
||||
self.inreadysem := Semaphore new.
|
||||
|
||||
self.outdonesem signalAction: [ :sem |
|
||||
(self.eventActions at: Socket.EventType.DATA_OUT) value: self.
|
||||
self.dataOutEventAction value: self.
|
||||
##(self.eventActions at: Socket.EventType.DATA_OUT) value: self.
|
||||
System unsignal: self.outreadysem.
|
||||
].
|
||||
|
||||
self.outreadysem signalAction: [ :sem |
|
||||
| nwritten |
|
||||
nwritten := self _writeBytes: self.pending_bytes offset: self.pending_offset length: self.pending_length.
|
||||
if (nwritten >= 0)
|
||||
| nbytes pos rem |
|
||||
|
||||
pos := self.pending_offset.
|
||||
rem := self.pending_length.
|
||||
|
||||
while (rem > 0)
|
||||
{
|
||||
nbytes := self _writeBytes: self.pending_bytes offset: pos length: rem.
|
||||
if (nbytes <= -1) { break }.
|
||||
pos := pos + nbytes.
|
||||
rem := rem - nbytes.
|
||||
}.
|
||||
|
||||
if (rem <= 0)
|
||||
{
|
||||
self.pending_bytes := nil.
|
||||
self.pending_offset := 0.
|
||||
self.pending_length := 0.
|
||||
self.outdonesem signal.
|
||||
}
|
||||
}.
|
||||
].
|
||||
|
||||
self.inreadysem signalAction: [ :sem |
|
||||
(self.eventActions at: Socket.EventType.DATA_IN) value: self.
|
||||
##(self.eventActions at: Socket.EventType.DATA_IN) value: self.
|
||||
self.dataInEventAction value: self.
|
||||
].
|
||||
}
|
||||
|
||||
@ -370,14 +377,26 @@ extend Socket
|
||||
^super close.
|
||||
}
|
||||
|
||||
|
||||
method onEvent: event_type do: action_block
|
||||
{
|
||||
self.eventActions at: event_type put: action_block.
|
||||
if (event_type == #data_in)
|
||||
{
|
||||
self.dataInEventAction := action_block.
|
||||
}
|
||||
elsif (event_type == #data_out)
|
||||
{
|
||||
self.dataOutEventAction := action_block.
|
||||
}
|
||||
else
|
||||
{
|
||||
Exception signal: 'unknown event type ' & event_type asString.
|
||||
}
|
||||
}
|
||||
|
||||
method writeBytes: bytes offset: offset length: length
|
||||
{
|
||||
| n |
|
||||
| n pos rem |
|
||||
|
||||
if (self.outreadysem _group notNil)
|
||||
{
|
||||
@ -387,40 +406,43 @@ extend Socket
|
||||
## n >= 0: written
|
||||
## n <= -1: tolerable error (e.g. EAGAIN)
|
||||
## exception: fatal error
|
||||
##while (true) ## TODO: loop to write as much as possible
|
||||
##{
|
||||
n := self _writeBytes: bytes offset: offset length: length.
|
||||
if (n >= 0)
|
||||
{
|
||||
self.outdonesem signal.
|
||||
^n
|
||||
}.
|
||||
##}.
|
||||
|
||||
## TODO: adjust offset and length
|
||||
pos := offset.
|
||||
rem := length.
|
||||
|
||||
while (rem > 0) ## TODO: loop to write as much as possible
|
||||
{
|
||||
n := self _writeBytes: bytes offset: pos length: rem.
|
||||
if (n <= -1) { break }.
|
||||
rem := rem - n.
|
||||
pos := pos + n.
|
||||
}.
|
||||
|
||||
if (rem <= 0)
|
||||
{
|
||||
self.outdonesem signal.
|
||||
^length
|
||||
}.
|
||||
|
||||
self.pending_bytes := bytes.
|
||||
self.pending_offset := offset.
|
||||
self.pending_length := length.
|
||||
self.pending_offset := pos.
|
||||
self.pending_length := rem
|
||||
|
||||
System addAsyncSemaphore: self.outreadysem.
|
||||
System signal: self.outreadysem onOutput: self.handle.
|
||||
}
|
||||
|
||||
|
||||
method beWatched
|
||||
{
|
||||
System addAsyncSemaphore: self.inreadysem.
|
||||
System signal: self.inreadysem onInput: self.handle.
|
||||
System addAsyncSemaphore: self.outdonesem.
|
||||
}
|
||||
|
||||
method beUnwatched
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
class ClientSocket(Socket)
|
||||
{
|
||||
var(#get) connectedEventAction.
|
||||
var connsem.
|
||||
|
||||
method initialize
|
||||
@ -438,13 +460,8 @@ class ClientSocket(Socket)
|
||||
System unsignal: sem.
|
||||
System removeAsyncSemaphore: sem.
|
||||
|
||||
'CHECKING FOR CONNECTION.....' dump.
|
||||
(self.eventActions at: Socket.EventType.CONNECTED) value: self value: (soerr == 0).
|
||||
|
||||
if (soerr == 0)
|
||||
{
|
||||
self beWatched
|
||||
}.
|
||||
self.connectedEventAction value: self value: (soerr == 0).
|
||||
if (soerr == 0) { self beWatched }.
|
||||
}.
|
||||
(* HOW TO HANDLE TIMEOUT? *)
|
||||
].
|
||||
@ -461,6 +478,16 @@ class ClientSocket(Socket)
|
||||
^super close
|
||||
}
|
||||
|
||||
method onEvent: event_type do: action_block
|
||||
{
|
||||
if (event_type == #connected)
|
||||
{
|
||||
self.connectedEventAction := action_block.
|
||||
^self.
|
||||
}.
|
||||
|
||||
^super onEvent: event_type do: action_block
|
||||
}
|
||||
method connect: target
|
||||
{
|
||||
| sem |
|
||||
@ -473,7 +500,7 @@ class ClientSocket(Socket)
|
||||
{
|
||||
## connected immediately
|
||||
'IMMEDIATELY CONNECTED.....' dump.
|
||||
(self.eventActions at: Socket.EventType.CONNECTED) value: self value: true.
|
||||
self.connectedEventAction value: self value: true.
|
||||
|
||||
System addAsyncSemaphore: self.inreadysem.
|
||||
System signal: self.inreadysem onInput: self.handle.
|
||||
@ -484,6 +511,8 @@ class ClientSocket(Socket)
|
||||
|
||||
class ServerSocket(Socket)
|
||||
{
|
||||
var(#get) acceptedEventAction.
|
||||
|
||||
method initialize
|
||||
{
|
||||
'Server Socket initialize...........' dump.
|
||||
@ -499,10 +528,9 @@ class ServerSocket(Socket)
|
||||
## i should invoke it manually here.
|
||||
clisck initialize.
|
||||
|
||||
cliact := self.eventActions at: Socket.EventType.CONNECTED.
|
||||
if (cliact notNil)
|
||||
if (self.acceptedEventAction notNil)
|
||||
{
|
||||
cliact value: self value: clisck (* value: cliaddr *).
|
||||
self.acceptedEventAction value: self value: clisck value: cliaddr.
|
||||
clisck beWatched.
|
||||
}
|
||||
else { clisck close }.
|
||||
@ -523,6 +551,17 @@ class ServerSocket(Socket)
|
||||
^super close.
|
||||
}
|
||||
|
||||
method onEvent: event_type do: action_block
|
||||
{
|
||||
if (event_type == #accepted)
|
||||
{
|
||||
self.acceptedEventAction := action_block.
|
||||
^self.
|
||||
}.
|
||||
|
||||
^super onEvent: event_type do: action_block
|
||||
}
|
||||
|
||||
method listen: backlog
|
||||
{
|
||||
System addAsyncSemaphore: self.inreadysem.
|
||||
@ -533,72 +572,90 @@ class ServerSocket(Socket)
|
||||
|
||||
class MyObject(Object)
|
||||
{
|
||||
method(#class) start_server_socket
|
||||
{
|
||||
| s2 buf |
|
||||
s2 := ServerSocket domain: Socket.Domain.INET type: Socket.Type.STREAM.
|
||||
buf := ByteArray new: 128.
|
||||
|
||||
s2 onEvent: #accepted do: [ :sck :clisck :cliaddr |
|
||||
'SERVER ACCEPTED new client' dump.
|
||||
clisck onEvent: #data_in do: [ :csck |
|
||||
| nbytes |
|
||||
while (true)
|
||||
{
|
||||
nbytes := csck readBytes: buf.
|
||||
if (nbytes <= 0)
|
||||
{
|
||||
if (nbytes == 0) { csck close }.
|
||||
('Got ' & (nbytes asString)) dump.
|
||||
break.
|
||||
}.
|
||||
|
||||
buf dump.
|
||||
csck writeBytes: buf offset: 0 length: nbytes.
|
||||
}.
|
||||
].
|
||||
clisck onEvent: #data_out do: [ :csck |
|
||||
##csck writeBytes: #[ $a, $b, C'\n' ].
|
||||
].
|
||||
].
|
||||
|
||||
s2 bind: (SocketAddress fromString: '0.0.0.0:7777').
|
||||
s2 listen: 10.
|
||||
^s2.
|
||||
}
|
||||
|
||||
method(#class) start_client_socket
|
||||
{
|
||||
| s buf count |
|
||||
s := ClientSocket domain: Socket.Domain.INET type: Socket.Type.STREAM.
|
||||
buf := ByteArray new: 128.
|
||||
|
||||
count := 0.
|
||||
|
||||
s onEvent: #connected do: [ :sck :state |
|
||||
if (state)
|
||||
{
|
||||
s writeBytes: #[ $a, $b, $c ].
|
||||
s writeBytes: #[ $d, $e, $f ].
|
||||
}
|
||||
else
|
||||
{
|
||||
'FAILED TO CONNECT' dump.
|
||||
}.
|
||||
].
|
||||
|
||||
s onEvent: #data_in do: [ :sck |
|
||||
| nbytes |
|
||||
while (true)
|
||||
{
|
||||
nbytes := sck readBytes: buf.
|
||||
if (nbytes <= 0)
|
||||
{
|
||||
if (nbytes == 0) { sck close }.
|
||||
break.
|
||||
}.
|
||||
('Got ' & (nbytes asString)) dump.
|
||||
buf dump.
|
||||
}.
|
||||
].
|
||||
s onEvent: #data_out do: [ :sck |
|
||||
if (count < 10) { sck writeBytes: #[ $a, $b, C'\n' ]. count := count + 1. }.
|
||||
].
|
||||
|
||||
s connect: (SocketAddress fromString: '127.0.0.1:9999').
|
||||
}
|
||||
|
||||
method(#class) main
|
||||
{
|
||||
[
|
||||
| s s2 st sg ss buf count |
|
||||
| s s2 ss |
|
||||
|
||||
count := 0.
|
||||
[
|
||||
buf := ByteArray new: 128.
|
||||
s := ClientSocket domain: Socket.Domain.INET type: Socket.Type.STREAM.
|
||||
s2 := ServerSocket domain: Socket.Domain.INET type: Socket.Type.STREAM.
|
||||
|
||||
s2 onEvent: Socket.EventType.CONNECTED do: [ :sck :clisck |
|
||||
'SERVER ACCEPTED new client' dump.
|
||||
clisck onEvent: Socket.EventType.DATA_IN do: [ :csck |
|
||||
| nbytes |
|
||||
nbytes := csck readBytes: buf.
|
||||
if (nbytes == 0)
|
||||
{
|
||||
csck close.
|
||||
}.
|
||||
('Got ' & (nbytes asString)) dump.
|
||||
|
||||
if (nbytes > 0)
|
||||
{
|
||||
|
||||
buf dump.
|
||||
csck writeBytes: buf offset: 0 length: nbytes.
|
||||
}.
|
||||
].
|
||||
clisck onEvent: Socket.EventType.DATA_OUT do: [ :csck |
|
||||
##csck writeBytes: #[ $a, $b, C'\n' ].
|
||||
].
|
||||
###clisck close.
|
||||
].
|
||||
s := self start_client_socket.
|
||||
s2 := self start_server_socket.
|
||||
|
||||
s2 bind: (SocketAddress fromString: '0.0.0.0:7777').
|
||||
s2 listen: 10.
|
||||
|
||||
s onEvent: Socket.EventType.CONNECTED do: [ :sck :state |
|
||||
if (state)
|
||||
{
|
||||
s writeBytes: #[ $a, $b, $c ].
|
||||
s writeBytes: #[ $d, $e, $f ].
|
||||
}
|
||||
else
|
||||
{
|
||||
'FAILED TO CONNECT' dump.
|
||||
}.
|
||||
].
|
||||
|
||||
s onEvent: Socket.EventType.DATA_IN do: [ :sck |
|
||||
| nbytes |
|
||||
nbytes := sck readBytes: buf.
|
||||
if (nbytes == 0)
|
||||
{
|
||||
sck close.
|
||||
s := nil.
|
||||
}.
|
||||
('Got ' & (nbytes asString)) dump.
|
||||
buf dump.
|
||||
].
|
||||
s onEvent: Socket.EventType.DATA_OUT do: [ :sck |
|
||||
if (count < 10) { sck writeBytes: #[ $a, $b, C'\n' ]. count := count + 1. }.
|
||||
].
|
||||
|
||||
s connect: (SocketAddress fromString: '127.0.0.1:9999').
|
||||
while (true)
|
||||
{
|
||||
ss := System handleAsyncEvent.
|
||||
@ -609,6 +666,7 @@ class MyObject(Object)
|
||||
ensure:
|
||||
[
|
||||
if (s notNil) { s close }.
|
||||
if (s2 notNil) { s2 close }.
|
||||
]
|
||||
|
||||
] on: Exception do: [:ex | ('Exception - ' & ex messageText) dump ].
|
||||
|
||||
Loading…
Reference in New Issue
Block a user