10 More Discussions You Might Find Interesting
1. IP Networking
I need clarification on whether it is okay to set socket options on a listening socket
simultaneously when it is being used in an accept() call?
Following is the scenario:-
-- Task 1 - is executing in a loop - polling a listen socket, lets call it 'fd', (whose file descriptor is global)... (2 Replies)
Discussion started by: jake24
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2. Red Hat
Is there a Linux tunable to reduce the amount of time a socket waits before considering the remote side dead?
Its the same senario when you try to telnet to a dead machine, telnet sits and waits for ~30seconds, before the socket timer expires and cancels the request. (5 Replies)
Discussion started by: mrmurdock
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3. Programming
Hi,
I want to code TCP/IP client/server in linux application capable to fastly detect ethernet cable disconnection in any condition.
So I have activate SO_KEEPALIVE options and set TCP_KEEPCNT, TCP_KEEPIDLE and TCP_KEEPINTVL to 1.
When I disconnect ethernet cable I have the following... (5 Replies)
Discussion started by: jeje_clb
5 Replies
4. IP Networking
Hi,
I want to capture a certain type of packets (selected according to the protocol) coming to my PC and then transmit them to another PC. I had the idea to use tcpdump to filter input packets and extract those chosen. Well my questions are:
1- after filtering input packets, those that have not... (1 Reply)
Discussion started by: ziedf
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5. Programming
Dear Experts,
i am compiling my code in suse 4.1 which is compiling fine,
but at runtime it is showing me for socket programming error no 88
as i searched in errno.h it is telling me socket operation on non socket,
what is the meaning of this , how to deal with this error , please... (1 Reply)
Discussion started by: vin_pll
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6. Programming
Why does this socket function only read the first 1440 chars of the stream. Why not the whole stream ? I checked it with gdm and valgrind and everything seems correct...
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include... (3 Replies)
Discussion started by: cyler
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7. Programming
Hi all,
On the server side, one socket is used for listening, the others are used for communicating with the client.
My question is: if i want to set option for socket, which socket should be set on?
If either can be set, what's the different?
Again, what's the different if set option... (1 Reply)
Discussion started by: blademan100
1 Replies
8. UNIX for Advanced & Expert Users
Hi,
I was porting ipv4 application to ipv6; i was done with TCP transports. Now i am facing problem with SCTp transport at runtime.
To test SCTP transport I am using following server and client socket programs. Server program runs fine, but client program fails giving Invalid Arguments for... (0 Replies)
Discussion started by: chandrutiptur
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9. Cybersecurity
i would like to know about tcpdump
i would like to use tcpdump to get information about these
- Date
- time
- source hostname
- source mac address
- source ip address
- destination ip address
- see outbound only
then i use command like this
tcpdump -i le0 -n -q -tttt -e src net... (0 Replies)
Discussion started by: chamnanpol
0 Replies
10. Programming
I have two net-card. one is 172.16.24.99(ENG) ,another is 172.16.25.99(ENG-B). Both masks is 255.255.255.0.
I will monitor data on the tcp port 8055 in ENG, How do I set option of tcpdump command (2 Replies)
Discussion started by: chenhao_no1
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Log::Handler::Output::Socket(3pm) User Contributed Perl Documentation Log::Handler::Output::Socket(3pm)
NAME
Log::Handler::Output::Socket - Send messages to a socket.
SYNOPSIS
use Log::Handler::Output::Socket;
my $sock = Log::Handler::Output::Socket->new(
peeraddr => "127.0.0.1",
peerport => 44444,
proto => "tcp",
timeout => 10
);
$sock->log(message => $message);
DESCRIPTION
With this module it's possible to send messages over the network.
METHODS
new()
Call "new()" to create a new Log::Handler::Output::Socket object.
The following options are possible:
peeraddr
The address of the server.
peerport
The port to connect to.
proto
The protocol you wish to use. Default is TCP.
timeout
The timeout to send message. The default is 5 seconds.
persistent and reconnect
With this option you can enable or disable a persistent connection and re-connect if the connection was lost.
Both options are set to 1 on default.
dump
Do you like to dump the message? If you enable this option then all messages will be dumped with "Data::Dumper".
dumper
Do you want to use another dumper as "Data::Dumper"? You can do the following as example:
use Convert::Bencode_XS;
dumper => sub { Convert::Bencode_XS::bencode($_[0]) }
# or maybe
use JSON::PC;
dumper => sub { JSON::PC::convert($_[0]) }
connect
This option is only useful if you want to pass your own arguments to "IO::Socket::INET" and don't want use "peeraddr" and "peerhost".
Example:
connect => {
PerrAddr => "127.0.0.1",
PeerPort => 44444,
LocalPort => 44445
}
This options are passed to "IO::Socket::INET".
log()
Call "log()" if you want to send a message over the socket.
Example:
$sock->log("message");
connect()
Connect to the socket.
disconnect()
Disconnect from socket.
validate()
Validate a configuration.
reload()
Reload with a new configuration.
errstr()
This function returns the last error message.
PREREQUISITES
Carp
Params::Validate;
IO::Socket::INET;
Data::Dumper;
EXPORTS
No exports.
REPORT BUGS
Please report all bugs to <jschulz.cpan(at)bloonix.de>.
If you send me a mail then add Log::Handler into the subject.
AUTHOR
Jonny Schulz <jschulz.cpan(at)bloonix.de>.
COPYRIGHT
Copyright (C) 2007-2009 by Jonny Schulz. All rights reserved.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.14.2 2012-11-21 Log::Handler::Output::Socket(3pm)