I don't doubt you. I just want to see that documented somewhere or clearly
see how that is enforced in the code. I have looked at net.js. It's not the
easiest code to follow. If it's clear from that code, I could use some
pointers on where to look.
I'll try to make my concern more clear below with very simple code for
server.js and client.js that really runs. Run "node server" in one window
and "node client" in another.
The numbered comments indicate the order in which I expect the lines to
execute.
It seems clear to me that 4 could run before 5. If that happens, how is it
that the server still gets that message? Is the message being buffered
until connListener completes?
server.js
var net = require('net');
function dataListener(data) {
console.log('received', data.toString());
}
function connListener(socket) {
socket.on('data', dataListener); // 5
}
var server = net.createServer(connListener); // 1
server.listen(8019); // 2
client.js
var net = require('net');
var socket = net.connect(8019); // 3
socket.write('Is this lost?'); // 4
On Fri, Sep 7, 2012 at 7:29 AM, ribao wei <[email protected]> wrote:
> It is not about node.js, it is a Javascript thing.
>
> Socket will not receive any data util it "connect".
>
>
> On Thu, Sep 6, 2012 at 11:35 PM, Hsu Ping Feng <[email protected]>wrote:
>
>> https://github.com/joyent/node/blob/master/lib/net.js
>>
>> It is a good way to understand through source code.
>>
>>
>> 2012/9/7 Mark Volkmann <[email protected]>
>>
>>> On Thu, Sep 6, 2012 at 4:40 PM, Jorge <[email protected]> wrote:
>>>
>>>> On 06/09/2012, at 23:11, Mark Volkmann wrote:
>>>>
>>>
>>>
>>>> My understanding is that node won't/shouldn't emit/dispatch any 'data'
>>>> events to the socket 'socket' until *after* having called cb(socket), 'cb'
>>>> being the callback function passed on to .createServer(cb).
>>>>
>>>
>>> I suspect you are correct. I'd like to understand how Node implements
>>> that. It would be great if this is already documented somewhere and I could
>>> just read that to understand it.
>>>
>>
--
R. Mark Volkmann
Object Computing, Inc.
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