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Top Forums Programming Write the source code for messenger Post 302094739 by Corona688 on Tuesday 31st of October 2006 11:01:45 AM
Old 10-31-2006
You're getting ahead of yourself again. If you do that before you have good, abstracted communications functions, which from your snippet I'm guessing you don't, your code will become a mess.

Once you do, you can divide up the work with threads that will work independently; one thread waits for messages from the server, one waits for user input... look for pthreads examples.
 

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Wx::Socket(3)						User Contributed Perl Documentation					     Wx::Socket(3)

NAME
Wx::Socket - wxSocket* classes USAGE
use Wx qw(:socket) ; use Wx::Event qw(EVT_SOCKET_INPUT EVT_SOCKET_LOST) ; use Wx::Event qw(EVT_SOCKET_CONNECTION) ; ########## # CLIENT # ########## my $sock = Wx::SocketClient->new(wxSOCKET_WAITALL); EVT_SOCKET_INPUT($parent , $sock , &onInput ) ; EVT_SOCKET_LOST($parent , $sock , &onClose ) ; $sock->Connect('localhost',5050) ; if (! $sock->IsConnected ) { print "ERROR " ;} sub onInput { my ( $sock , $this , $evt ) = @_ ; my $length = 123; my $buffer ; $sock->Read($buffer , 1024 , $length ) ; } ########## # SERVER # ########## my $sock = Wx::SocketServer->new('localhost',5050,wxSOCKET_WAITALL); EVT_SOCKET_CONNECTION($parent , $sock , &onConnect ) ; if ( !$sock->Ok ) { print "ERROR " ;} sub onConnect { my ( $sock , $this , $evt ) = @_ ; my $client = $sock->Accept(0) ; my ($local_host,$local_port) = $client->GetLocal ; my ($peer_host,$peer_port) = $client->GetPeer ; $client->Write("This is a data test! ") ; ... or ... $client->Write( $data , length($data) ) ; $client->Close ; } METHODS
All the methods work as in wxWidgets (see the documentation). The functions for reading data (Read, ReadMsg, Peek) take 3 arguments, like the Perl read() function: ## To read the data into the variable $sock->Read($buffer , 1024) ; ... or ... ## To append data at the given offset: $sock->Read($buffer , 1024 , $offset ) ; The write functions (Write, WriteMsg, Unread) can be used with 1 or 2 arguments: $client->Write("This is a data test! ") ; $client->Write($data , $length) ; EVENTS
The events are: EVT_SOCKET EVT_SOCKET_ALL EVT_SOCKET_INPUT EVT_SOCKET_OUTPUT EVT_SOCKET_CONNECTION EVT_SOCKET_LOST The EVT_SOCKET works as in wxWidgets, the others are wxPerl extensions. Note that EVT_SOCKET events of wxSocketClient and wxSocketServer work differently than other event types. First you need to set the event handler: $sock->SetEventHandler($handler, $id) ; Then you set what types of event you want to receive: ## this select all. $sock->SetNotify(wxSOCKET_INPUT_FLAG|wxSOCKET_OUTPUT_FLAG| wxSOCKET_CONNECTION_FLAG|wxSOCKET_LOST_FLAG) ; Enable the event notification: $sock->Notify(1) ; And only after this use: ## note that $handler must be the same that was used in ## SetEventHandler EVT_SOCKET($handler, $id , sub{...} ) To make the events easier to use, all the proccess is automatic, and you just use: EVT_SOCKET_INPUT($handler , $socket , sub{...} ) EVT_SOCKET_OUTPUT($handler , $socket , sub{...} ) EVT_SOCKET_CONNECTION($handler , $socket , sub{...} ) EVT_SOCKET_LOST($handler , $socket , sub{...} ) ## This is for the events not used yet by the above: EVT_SOCKET_ALL($parent , $socket , sub{...} ) ** The new way is better to handle more than one socket in the same time too. Take a look in the demos. SEE ALSO
Wx, The wxWxwindows documentation at <http://www.wxwindows.org/> AUTHOR
Graciliano M. P. <gm@virtuasites.com.br> COPYRIGHT
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.10.0 2007-06-18 Wx::Socket(3)
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