nbd-client.c File Reference

#include "config.h"
#include "lfs.h"
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#include <netinet/tcp.h>
#include <netinet/in.h>
#include <netdb.h>
#include "netdb-compat.h"
#include <stdio.h>
#include <fcntl.h>
#include <syslog.h>
#include <stdlib.h>
#include <sys/mount.h>
#include <sys/mman.h>
#include <signal.h>
#include <errno.h>
#include <getopt.h>
#include <stdarg.h>
#include <linux/ioctl.h>
#include "cliserv.h"

Go to the source code of this file.

Macros
#define	MY_NAME   "nbd_client"
#define	NBDC_DO_LIST   1

Functions
int	check_conn (char *devname, int do_print)
int	opennet (char *name, char *portstr, int sdp)
void	ask_list (int sock)
void	negotiate (int sock, u64 *rsize64, u32 *flags, char *name, uint32_t needed_flags, uint32_t client_flags, uint32_t do_opts)
void	setsizes (int nbd, u64 size64, int blocksize, u32 flags)
void	set_timeout (int nbd, int timeout)
void	finish_sock (int sock, int nbd, int swap)
static int	oom_adjust (const char *file, const char *value)
void	usage (char *errmsg,...)
void	disconnect (char *device)
int	main (int argc, char *argv[])

Macro Definition Documentation

#define MY_NAME   "nbd_client"

Definition at line 44 of file nbd-client.c.

Referenced by logging().

#define NBDC_DO_LIST   1

Definition at line 51 of file nbd-client.c.

Referenced by main(), and negotiate().

Function Documentation

void ask_list

(

int

sock

)

Definition at line 134 of file nbd-client.c.

References err(), htonll, len, magic, NBD_OPT_ABORT, NBD_OPT_LIST, NBD_REP_ACK, NBD_REP_ERR_POLICY, NBD_REP_FLAG_ERROR, NBD_REP_SERVER, ntohll(), opts_magic, and rep_magic.

Referenced by negotiate().

int check_conn	(	char *	devname,
		int	do_print
	)

Definition at line 53 of file nbd-client.c.

References len.

Referenced by main().

void disconnect

(

char *

device

)

Definition at line 405 of file nbd-client.c.

References err(), NBD_CLEAR_QUE, NBD_CLEAR_SOCK, and NBD_DISCONNECT.

Referenced by main().

void finish_sock	(	int	sock,
		int	nbd,
		int	swap
	)

Definition at line 358 of file nbd-client.c.

References err(), and NBD_SET_SOCK.

Referenced by main().

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 422 of file nbd-client.c.

References check_conn(), disconnect(), err(), finish_sock(), G_GNUC_UNUSED, logging(), NBD_CLEAR_QUE, NBD_CLEAR_SOCK, NBD_DEFAULT_PORT, NBD_DO_IT, NBD_FLAG_C_FIXED_NEWSTYLE, NBD_FLAG_FIXED_NEWSTYLE, NBDC_DO_LIST, negotiate(), oom_adjust(), opennet(), set_timeout(), setsizes(), and usage().

void negotiate	(	int	sock,
		u64 *	rsize64,
		u32 *	flags,
		char *	name,
		uint32_t	needed_flags,
		uint32_t	client_flags,
		uint32_t	do_opts
	)

Definition at line 223 of file nbd-client.c.

References ask_list(), cliserv_magic, err(), htonll, INIT_PASSWD, magic, NBD_OPT_EXPORT_NAME, NBDC_DO_LIST, ntohll(), and opts_magic.

Referenced by main().

static int oom_adjust ( const char *  file, const char *  value  )

static

Definition at line 367 of file nbd-client.c.

References len.

Referenced by main().

int opennet	(	char *	name,
		char *	portstr,
		int	sdp
	)

Definition at line 81 of file nbd-client.c.

References AI_NUMERICSERV, err(), err_nonfatal(), and setmysockopt().

Referenced by main().

void set_timeout	(	int	nbd,
		int	timeout
	)

Definition at line 350 of file nbd-client.c.

References err(), and NBD_SET_TIMEOUT.

Referenced by main().

void setsizes	(	int	nbd,
		u64	size64,
		int	blocksize,
		u32	flags
	)

Definition at line 324 of file nbd-client.c.

References err(), NBD_CLEAR_SOCK, NBD_FLAG_READ_ONLY, NBD_SET_BLKSIZE, NBD_SET_FLAGS, NBD_SET_SIZE_BLOCKS, and size.

Referenced by main().

void usage	(	char *	errmsg,
			...
	)

Definition at line 381 of file nbd-client.c.

References PACKAGE_VERSION.

Referenced by main().