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// inet_sock information tapset 
// Copyright (C) 2006 IBM Corp.
// Copyright (C) 2006 Intel Corporation.
// Copyright (C) 2009-2012 Red Hat, Inc.
//
// This file is part of systemtap, and is free software.  You can
// redistribute it and/or modify it under the terms of the GNU General
// Public License (GPL); either version 2, or (at your option) any
// later version.

/**
 * sfunction inet_get_local_port - Provide local port number for a kernel socket
 * @sock: pointer to the kernel socket
 */
function inet_get_local_port:long(sock:long)
{
    return @choose_defined(@inet_sock_cast(sock)->sk->__sk_common->skc_num,
	     # kernel >= 2.6.33
	     @choose_defined(@inet_sock_cast(sock)->inet_num,
	       # kernel >= 2.6.11
	       @choose_defined(@inet_sock_cast(sock)->num,
		 @inet_sock_cast(sock)->inet->num)))
}

/**
 * sfunction inet_get_ip_source - Provide IP source address string for a kernel socket
 *
 * @sock: pointer to the kernel socket
 *
 */
function inet_get_ip_source:string(sock:long)
{
    return format_ipaddr(__ip_sock_daddr(sock), __ip_sock_family(sock))
}

%(systemtap_v < "2.0" %?
// Turns a daddr as found in an inet_sock into a dotted ip string.
function daddr_to_string:string(daddr:long)
{
    return format_ipaddr(daddr, @const("AF_INET"))
}
%)