tap-creator.cc File Reference

#include <unistd.h>
#include <stdint.h>
#include <string>
#include <cstring>
#include <iostream>
#include <iomanip>
#include <sstream>
#include <cstdlib>
#include <cerrno>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <net/if.h>
#include <linux/if_tun.h>
#include <net/route.h>
#include <netinet/in.h>
#include "tap-encode-decode.h"

Go to the source code of this file.

Macros
#define	ABORT(msg, printErrno)
#define	ABORT_IF(cond, msg, printErrno)
#define	ASCII_a   (0x41)
#define	ASCII_A   (0x61)
#define	ASCII_COLON   (0x3a)
#define	ASCII_DOT   (0x2e)
#define	ASCII_z   (0x5a)
#define	ASCII_Z   (0x7a)
#define	ASCII_ZERO   (0x30)
#define	ASCII_ZERO   (0x30)
#define	LOG(msg)
#define	TAP_MAGIC   95549

Functions
static uint32_t	AsciiToIpv4 (const char *address)
static char	AsciiToLowCase (char c)
static void	AsciiToMac48 (const char *str, uint8_t addr[6])
static sockaddr	CreateInetAddress (uint32_t networkOrder)
static int	CreateTap (const char *dev, const char *gw, const char *ip, const char *mac, const char *mode, const char *netmask)
static void	SendSocket (const char *path, int fd)

Variables
static int	gVerbose = 0

Macro Definition Documentation

ABORT

#define ABORT	(		msg,
			printErrno
	)

Value:

std::cout << __FILE__ << ": fatal error at line " << __LINE__ << ": " << __FUNCTION__ << "(): " << msg << std::endl; \
  if (printErrno) \
    { \
      std::cout << "    errno = " << errno << " (" << std::strerror (errno) << ")" << std::endl; \
    } \
  std::exit (-1);

Definition at line 50 of file tap-creator.cc.

ABORT_IF

#define ABORT_IF	(		cond,
			msg,
			printErrno
	)

Value:

if (cond) \
    { \
      ABORT (msg, printErrno); \
    }

Definition at line 58 of file tap-creator.cc.

Referenced by CreateTap(), and SendSocket().

ASCII_a

#define ASCII_a   (0x41)

Definition at line 69 of file tap-creator.cc.

Referenced by AsciiToLowCase(), and AsciiToMac48().

ASCII_A

#define ASCII_A   (0x61)

Definition at line 71 of file tap-creator.cc.

Referenced by AsciiToLowCase().

ASCII_COLON

#define ASCII_COLON   (0x3a)

Definition at line 73 of file tap-creator.cc.

Referenced by AsciiToMac48().

ASCII_DOT

#define ASCII_DOT   (0x2e)

Definition at line 67 of file tap-creator.cc.

Referenced by AsciiToIpv4().

ASCII_z

#define ASCII_z   (0x5a)

Definition at line 70 of file tap-creator.cc.

Referenced by AsciiToLowCase().

ASCII_Z

#define ASCII_Z   (0x7a)

Definition at line 72 of file tap-creator.cc.

Referenced by AsciiToLowCase().

ASCII_ZERO [1/2]

#define ASCII_ZERO   (0x30)

Definition at line 74 of file tap-creator.cc.

Referenced by AsciiToIpv4(), and AsciiToMac48().

ASCII_ZERO [2/2]

#define ASCII_ZERO   (0x30)

Definition at line 74 of file tap-creator.cc.

LOG

#define LOG

(

msg

)

Value:

if (gVerbose) \
    { \
      std::cout << __FUNCTION__ << "(): " << msg << std::endl;   \
    }

Definition at line 44 of file tap-creator.cc.

Referenced by CreateTap(), and SendSocket().

TAP_MAGIC

#define TAP_MAGIC   95549

Definition at line 40 of file tap-creator.cc.

Referenced by SendSocket().

Function Documentation

AsciiToIpv4()

static uint32_t AsciiToIpv4 ( const char *  address )

static

Definition at line 89 of file tap-creator.cc.

References first::address, ASCII_DOT, and ASCII_ZERO.

Referenced by CreateTap().

AsciiToLowCase()

static char AsciiToLowCase ( char  c )

static

Definition at line 77 of file tap-creator.cc.

References ASCII_a, ASCII_A, ASCII_z, and ASCII_Z.

Referenced by AsciiToMac48().

AsciiToMac48()

static void AsciiToMac48 ( const char *  str, uint8_t  addr[6]  )

static

Definition at line 111 of file tap-creator.cc.

References ASCII_a, ASCII_COLON, ASCII_ZERO, and AsciiToLowCase().

Referenced by CreateTap().

CreateInetAddress()

static sockaddr CreateInetAddress ( uint32_t  networkOrder )

static

Definition at line 142 of file tap-creator.cc.

Referenced by CreateTap().

CreateTap()

static int CreateTap ( const char *  dev, const char *  gw, const char *  ip, const char *  mac, const char *  mode, const char *  netmask  )

static

Definition at line 277 of file tap-creator.cc.

References ABORT_IF, AsciiToIpv4(), AsciiToMac48(), CreateInetAddress(), LOG, and third::mac.

SendSocket()

static void SendSocket ( const char *  path, int  fd  )

static

Definition at line 155 of file tap-creator.cc.

References ABORT_IF, LOG, TAP_MAGIC, and ns3::TapStringToBuffer().

Variable Documentation

gVerbose

int gVerbose = 0

static

Definition at line 42 of file tap-creator.cc.