m-rau has asked for the wisdom of the Perl Monks concerning the following question:

Hi monks,

I am working with SOAP now. Great! But I am pretty confused about how to get information about the client which connected?


use lib "Message";
use Test;

my $daemon = SOAP::Transport::HTTP::Daemon -> new (
        LocalAddr => 'localhost',
        LocalPort => 8080 );

$daemon -> dispatch_to(
    'Message/',
        'Test'
);

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How to find out about the client's ip address in my Message/Test.pm? I know how to do this with sockets. But what is the SOAP object/ method to use? Please help!

Test.pm provides i.e. a constructor enqueue: 

sub enqueue
{
    my $class = shift;
    my $self = { };
    bless ($self, $class);

    #    
    # collect identify information about the client,
    # i.e. IP ==> ???
    #
    # then start working
    #

    return $self;
}

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Thanks in advace.

Replies are listed 'Best First'.
Re: SOAP client IP
by jhourcle (Prior) on Mar 10, 2005 at 03:44 UTC

    I've never used the stand-alone daemon, but if you're running as a CGI, you just check %ENV as if it were any other CGI. You might try something similar to the following. For the server side:

    #!/usr/bin/perl --

use SOAP::Transport::HTTP;

SOAP::Transport::HTTP::CGI
        -> dispatch_to('test')
        -> handle();

package test;

sub function { return \%ENV; }

    [download]
    and for the client: 
    #!/usr/bin/perl --

use SOAP::Lite;
use Data::Dumper;

my $soap = SOAP::Lite->new(
        proxy => 'http://127.0.0.1/cgi-bin/soap.pl',
        uri => 'urn:/test' );
my $som = $soap->function();

print Dumper $som->result();

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Re: SOAP client IP
by m-rau (Scribe) on Mar 10, 2005 at 13:44 UTC
    The suggested solution does not work. Apache is not there to set ENV. But I found the solution: It is necessary to write my own SOAP::Transport::HTTP::Daemon as follows: 
    package Message::Daemon;

use SOAP::Transport::HTTP;
use Socket;
use Carp ();
use vars qw($AUTOLOAD @ISA);
@ISA = qw(SOAP::Transport::HTTP::Server);

sub DESTROY { SOAP::Trace::objects('()') }

sub new { require HTTP::Daemon;
  my $self = shift;

  unless (ref $self) {
    my $class = ref($self) || $self;

    my(@params, @methods);
    while (@_) { $class->can($_[0]) ? push(@methods, shift() => shift)
+ : push(@params, shift) }
    $self = $class->SUPER::new;
    $self->{_daemon} = HTTP::Daemon->new(@params) or Carp::croak "Can'
+t create daemon: $!";
    $self->myuri(URI->new($self->url)->canonical->as_string);
    while (@methods) { my($method, $params) = splice(@methods,0,2);
      $self->$method(ref $params eq 'ARRAY' ? @$params : $params)
    }
    SOAP::Trace::objects('()');
  }
  return $self;
}

sub AUTOLOAD {
  my $method = substr($AUTOLOAD, rindex($AUTOLOAD, '::') + 2);
  return if $method eq 'DESTROY';

  no strict 'refs';
  *$AUTOLOAD = sub { shift->{_daemon}->$method(@_) };
  goto &$AUTOLOAD;
}

sub handle {
  my $self = shift->new;
  while (my ($c, $peer) = $self->accept) {
    my $sockaddr_template = 'Sna4x8';
    my ($af,$client_port,$client_ip) = unpack($sockaddr_template,$peer
+);
    my @inetaddr = unpack('C4',$client_ip);
    warn "$af connection from ".join ('.', @inetaddr).":$client_port\n
+";
    while (my $r = $c->get_request) {
      $self->request($r);
      $self->SUPER::handle;
      $c->send_response($self->response)
    }
    # replaced ->close, thanks to Sean Meisner <Sean.Meisner@VerizonWi
+reless.com>
    # shutdown() doesn't work on AIX. close() is used in this case. Th
+anks to Jos Clijmans <jos.clijmans@recyfin.be>
    UNIVERSAL::isa($c, 'shutdown') ? $c->shutdown(2) : $c->close();
    undef $c;
  }
}

    [download]
    Now I have access to the client's IP and port as can be seen in warn "$af connection from ".join ('.', @inetaddr).":$client_port\n";
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