unix.c File Reference

Implements UNIX domain socket COMSTACK. More...

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <grp.h>
#include <yaz/unix.h>

Go to the source code of this file.

Data Structures
struct	unix_state

Macros
#define	YAZ_SOCKLEN_T   int
#define	SUN_LEN(ptr)
#define	TRC(X)
#define	CS_UNIX_BUFCHUNK   4096

Typedefs
typedef struct unix_state	unix_state

Functions
static void	unix_close (COMSTACK h)
static int	unix_put (COMSTACK h, char *buf, int size)
static int	unix_get (COMSTACK h, char **buf, int *bufsize)
static int	unix_connect (COMSTACK h, void *address)
static int	unix_more (COMSTACK h)
static int	unix_rcvconnect (COMSTACK h)
static int	unix_bind (COMSTACK h, void *address, int mode)
static int	unix_listen (COMSTACK h, char *raddr, int *addrlen, int(*check_ip)(void *cd, const char *a, int len, int type), void *cd)
static int	unix_set_blocking (COMSTACK p, int blocking)
static COMSTACK	unix_accept (COMSTACK h)
static const char *	unix_addrstr (COMSTACK h)
static void *	unix_straddr (COMSTACK h, const char *str)
static int	unix_init (void)
COMSTACK	unix_type (int s, int flags, int protocol, void *vp)
static int	unix_strtoaddr_ex (const char *str, struct sockaddr_un *add)
static void *	unix_straddr1 (COMSTACK h, const char *str, char *f)
struct sockaddr_un *	unix_strtoaddr (const char *str)
static int	unix_listen (COMSTACK h, char *raddr, int *addrlen, int(*check_ip)(void *cd, const char *a, int len, int t), void *cd)

Detailed Description

Implements UNIX domain socket COMSTACK.

Definition in file unix.c.

Macro Definition Documentation

#define CS_UNIX_BUFCHUNK   4096

Definition at line 556 of file unix.c.

Referenced by unix_get().

#define SUN_LEN

(

ptr

)

Value:

((size_t) (((struct sockaddr_un *) 0)->sun_path) \
                      + strlen ((ptr)->sun_path))

Definition at line 75 of file unix.c.

Referenced by unix_bind(), and unix_connect().

#define TRC

(

X

)

Definition at line 81 of file unix.c.

Referenced by unix_accept(), unix_bind(), unix_close(), unix_connect(), unix_get(), unix_listen(), unix_put(), unix_rcvconnect(), unix_straddr1(), unix_strtoaddr(), unix_strtoaddr_ex(), and unix_type().

#define YAZ_SOCKLEN_T   int

Definition at line 47 of file unix.c.

Referenced by unix_listen().

Typedef Documentation

typedef struct unix_state unix_state

Function Documentation

static COMSTACK unix_accept ( COMSTACK  h )

static

Definition at line 487 of file unix.c.

References unix_state::addr, unix_state::altbuf, unix_state::altlen, unix_state::altsize, comstack::cerrno, unix_state::complete, comstack::cprivate, CS_DATA, CS_FLAGS_BLOCKING, CS_NONE, CS_ST_ACCEPT, CS_ST_DATAXFER, CS_ST_IDLE, CS_ST_INCON, CSOUTSTATE, CSYSERR, comstack::event, comstack::flags, comstack::io_pending, comstack::iofile, comstack::newfd, comstack::state, unix_state::towrite, TRC, unix_state::written, xfree, and xmalloc.

Referenced by unix_type().

static const char * unix_addrstr ( COMSTACK  h )

static

Definition at line 721 of file unix.c.

References unix_state::addr, unix_state::buf, and comstack::cprivate.

Referenced by unix_type().

static int unix_bind ( COMSTACK  h, void *  address, int  mode  )

static

Definition at line 384 of file unix.c.

References comstack::cerrno, comstack::cprivate, CS_LISTEN, CS_SERVER, CS_ST_IDLE, CSYSERR, comstack::event, unix_state::gid, comstack::iofile, comstack::state, SUN_LEN, TRC, unix_state::uid, unix_state::umask, yaz_errno(), and yaz_set_errno().

Referenced by unix_type().

static void unix_close ( COMSTACK  h )

static

Definition at line 706 of file unix.c.

References unix_state::altbuf, comstack::cprivate, comstack::iofile, TRC, and xfree.

Referenced by unix_type().

static int unix_connect ( COMSTACK  h, void *  address  )

static

Definition at line 319 of file unix.c.

References comstack::cerrno, CS_CONNECT, CS_ST_CONNECTING, CS_ST_UNBND, CS_WANT_WRITE, CSOUTSTATE, CSYSERR, comstack::event, comstack::io_pending, comstack::iofile, comstack::state, SUN_LEN, TRC, unix_rcvconnect(), and yaz_errno().

Referenced by unix_type().

static int unix_get ( COMSTACK  h, char **  buf, int *  bufsize  )

static

Definition at line 562 of file unix.c.

References unix_state::altbuf, unix_state::altlen, unix_state::altsize, unix_state::complete, comstack::cprivate, CS_UNIX_BUFCHUNK, CS_WANT_READ, comstack::io_pending, comstack::iofile, TRC, xmalloc, xrealloc, and yaz_errno().

Referenced by unix_type().

static int unix_init ( void  )

static

Definition at line 101 of file unix.c.

Referenced by unix_strtoaddr_ex(), and unix_type().

static int unix_listen ( COMSTACK  h, char *  raddr, int *  addrlen, int(*)(void *cd, const char *a, int len, int type)  check_ip, void *  cd  )

static

Referenced by unix_type().

static int unix_listen ( COMSTACK  h, char *  raddr, int *  addrlen, int(*)(void *cd, const char *a, int len, int t)  check_ip, void *  cd  )

static

Definition at line 450 of file unix.c.

References comstack::cerrno, CS_ST_IDLE, CS_ST_INCON, CSNODATA, CSOUTSTATE, CSYSERR, comstack::iofile, comstack::newfd, comstack::state, TRC, yaz_errno(), and YAZ_SOCKLEN_T.

static int unix_more ( COMSTACK  h )

static

Definition at line 307 of file unix.c.

References unix_state::altbuf, unix_state::altlen, unix_state::complete, and comstack::cprivate.

Referenced by unix_type().

static int unix_put ( COMSTACK  h, char *  buf, int  size  )

static

Definition at line 651 of file unix.c.

References comstack::cerrno, comstack::cprivate, CS_DATA, CS_WANT_WRITE, CSWRONGBUF, CSYSERR, comstack::event, comstack::io_pending, comstack::iofile, unix_state::towrite, TRC, unix_state::written, and yaz_errno().

Referenced by unix_type().

static int unix_rcvconnect ( COMSTACK  h )

static

Definition at line 368 of file unix.c.

References comstack::cerrno, CS_DATA, CS_ST_CONNECTING, CS_ST_DATAXFER, CSOUTSTATE, comstack::event, comstack::state, and TRC.

Referenced by unix_connect(), and unix_type().

static int unix_set_blocking ( COMSTACK  p, int  blocking  )

static

Definition at line 729 of file unix.c.

References CS_FLAGS_BLOCKING, comstack::flags, and comstack::iofile.

Referenced by unix_type().

static void * unix_straddr ( COMSTACK  h, const char *  str  )

static

Definition at line 288 of file unix.c.

References unix_straddr1(), xfree, and xstrdup.

Referenced by unix_type().

static void* unix_straddr1 ( COMSTACK  h, const char *  str, char *  f  )

static

Definition at line 195 of file unix.c.

References unix_state::addr, comstack::cprivate, unix_state::gid, TRC, unix_state::uid, unix_state::umask, and unix_strtoaddr_ex().

Referenced by unix_straddr().

struct sockaddr_un* unix_strtoaddr ( const char *  str )

read

Definition at line 296 of file unix.c.

References TRC, and unix_strtoaddr_ex().

static int unix_strtoaddr_ex ( const char *  str, struct sockaddr_un *  add  )

static

Definition at line 180 of file unix.c.

References TRC, and unix_init().

Referenced by unix_straddr1(), and unix_strtoaddr().

COMSTACK unix_type	(	int	s,
		int	flags,
		int	protocol,
		void *	vp
	)

Definition at line 110 of file unix.c.

References unix_state::altbuf, unix_state::altlen, unix_state::altsize, comstack::cerrno, unix_state::complete, completeWAIS(), COMSTACK_DEFAULT_TIMEOUT, comstack::cprivate, cs_complete_auto(), CS_FLAGS_BLOCKING, CS_NONE, CS_ST_IDLE, CS_ST_UNBND, comstack::event, comstack::f_accept, comstack::f_addrstr, comstack::f_bind, comstack::f_close, comstack::f_connect, comstack::f_get, comstack::f_listen, comstack::f_more, comstack::f_put, comstack::f_rcvconnect, comstack::f_set_blocking, comstack::f_straddr, comstack::flags, comstack::io_pending, comstack::iofile, PROTO_WAIS, comstack::protocol, comstack::state, comstack::timeout, unix_state::towrite, TRC, comstack::type, unix_accept(), unix_addrstr(), unix_bind(), unix_close(), unix_connect(), unix_get(), unix_init(), unix_listen(), unix_more(), unix_put(), unix_rcvconnect(), unix_set_blocking(), unix_straddr(), unix_type(), comstack::user, unix_state::written, and xmalloc.

Referenced by cs_parse_host(), cs_parse_uri(), and unix_type().