I'm a newbie to the Unix world Help!
I have to maintain a host of Sybase database servers sitting on Unix Sun Solaris 8...I've been tasked with finding/creating a way to auto start/stop Unix via unix commands, specifically when the Unix servers need to be restarted we want Sybase to start... (2 Replies)
I am in the process of reorging my Lawson db. I need to turn off the RMI server...not a problem. However my instructions also state that I must also
shutdown my Servlet Container....I believe it is Apache.
I have looked in /usr/apache/bin/apachectl
What is the command for stopping and... (2 Replies)
I'm wondering how I should make a script that can start, stop, and restart another script.
What I need to be able to do, is start and stop a perl script from the command line. The easiest way of doing this seems to be to have another script, starting and stopping the other script. I have BASH,... (7 Replies)
Hi All,
is there a way or script that i can check my AIX 5.3 OS will restart before i made restart? is there a script that can check all the startup files are ok before restarting. it is because i was stuck last time when i restart my PC because some startup files were missing:o. (2 Replies)
Here it goes from my unexperienced point of view. I am using CentOS 5.6. I have a Java based server that needs to be running 24/7/365. To begin from the machine the server is on rebooting; I SSH in to a shell, cd to the server dir, screen -S server1, and execute ./exec (listed below) in the screen.... (12 Replies)
Another question for you guys! This is so fun.
So I am playing around with the factor operation. I read in "man factor" that you can actually print a list of primes in between a range, using the syntax
factor ]
However, every time I enter two values, it just returns the factored value.... (1 Reply)
This issue could happen to any other service but in this case its commssioning Postfix - it seems i can't stop postfix as the PID relates to another service - i've delete the 'master.lock' but to no available - any ideas, memeory commands etc ?
thanks in advance
ps. the serve is in Production so... (2 Replies)
Discussion started by: stevie_velvet
2 Replies
LEARN ABOUT DEBIAN
io::async::protocol::stream
IO::Async::Protocol::Stream(3pm) User Contributed Perl Documentation IO::Async::Protocol::Stream(3pm)NAME
"IO::Async::Protocol::Stream" - base class for stream-based protocols
SYNOPSIS
Most likely this class will be subclassed to implement a particular network protocol.
package Net::Async::HelloWorld;
use strict;
use warnings;
use base qw( IO::Async::Protocol::Stream );
sub on_read
{
my $self = shift;
my ( $buffref, $eof ) = @_;
return 0 unless $$buffref =~ s/^(.*)
//;
my $line = $1;
if( $line =~ m/^HELLO (.*)/ ) {
my $name = $1;
$self->invoke_event( on_hello => $name );
}
return 1;
}
sub send_hello
{
my $self = shift;
my ( $name ) = @_;
$self->write( "HELLO $name
" );
}
This small example elides such details as error handling, which a real protocol implementation would be likely to contain.
DESCRIPTION
This subclass of IO::Async::Protocol is intended to stand as a base class for implementing stream-based protocols. It provides an interface
similar to IO::Async::Stream, primarily, a "write" method and an "on_read" event handler.
It contains an instance of an "IO::Async::Stream" object which it uses for actual communication, rather than being a subclass of it,
allowing a level of independence from the actual stream being used. For example, the stream may actually be an IO::Async::SSLStream to
allow the protocol to be used over SSL.
As with "IO::Async::Stream", it is required that by the time the protocol object is added to a Loop, that it either has an "on_read"
method, or has been configured with an "on_read" callback handler.
EVENTS
The following events are invoked, either using subclass methods or CODE references in parameters:
$ret = on_read $buffer, $eof
The "on_read" handler is invoked identically to "IO::Async::Stream".
on_closed
The "on_closed" handler is optional, but if provided, will be invoked after the stream is closed by either side (either because the
"close()" method has been invoked on it, or on an incoming EOF).
PARAMETERS
The following named parameters may be passed to "new" or "configure":
on_read => CODE
CODE reference for the "on_read" event.
handle => IO
A shortcut for the common case where the transport only needs to be a plain "IO::Async::Stream" object. If this argument is
provided without a "transport" object, a new "IO::Async::Stream" object will be built around the given IO handle, and used as the
transport.
METHODS
$protocol->write( $data )
Writes the given data by calling the "write" method on the contained transport stream.
$protocol->connect( %args )
Sets up a connection to a peer, and configures the underlying "transport" for the Protocol. Calls "IO::Async::Protocol" "connect" with
"socktype" set to "stream".
AUTHOR
Paul Evans <leonerd@leonerd.org.uk>
perl v5.14.2 2012-10-24 IO::Async::Protocol::Stream(3pm)