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// inet_sock information tapset
// Copyright (C) 2006 IBM Corp.
// Copyright (C) 2006 Intel Corporation.
//
// 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.
%{
#include <linux/version.h>
#include <net/sock.h>
#include <net/tcp.h>
#include <net/ip.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11)
#define LPORT (inet->inet.num)
#define DADDR (&inet->inet.daddr)
#else
#define LPORT (inet->num)
#define DADDR (&inet->daddr)
#endif
%}
// Get local port number
function inet_get_local_port:long(sock:long)
%{ /* pure */
struct inet_sock *inet = (struct inet_sock *) (long) THIS->sock;
THIS->__retvalue = kread(&(LPORT));
CATCH_DEREF_FAULT();
%}
// Get IP source address string
function inet_get_ip_source:string(sock:long)
%{ /* pure */
struct inet_sock *inet = (struct inet_sock *) (long) THIS->sock;
union { __u32 d; unsigned char addr[4]; } u;
u.d = kread(DADDR);
sprintf(THIS->__retvalue, "%d.%d.%d.%d",
u.addr[0], u.addr[1], u.addr[2], u.addr[3]);
CATCH_DEREF_FAULT();
%}
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