unix.c File Reference

Implements UNIX domain socket COMSTACK. More...

#include <yaz/yconfig.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <time.h>
#include <fcntl.h>
#include <signal.h>
#include <grp.h>
#include <yaz/unix.h>
#include <yaz/log.h>
#include <yaz/snprintf.h>
#include "comstack-p.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	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 void	unix_init (void)
static void	cs_set_error (COMSTACK cs, int error)
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)
int	yaz_unix_set_head_only (COMSTACK cs, int head_only)

Variables
static int	log_level = 0

Detailed Description

Implements UNIX domain socket COMSTACK.

Definition in file unix.c.

Macro Definition Documentation

CS_UNIX_BUFCHUNK

#define CS_UNIX_BUFCHUNK   4096

Definition at line 585 of file unix.c.

Referenced by unix_get().

SUN_LEN

#define SUN_LEN

(

ptr

)

Value:

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

Definition at line 73 of file unix.c.

Referenced by unix_bind(), and unix_connect().

YAZ_SOCKLEN_T

#define YAZ_SOCKLEN_T   int

Definition at line 53 of file unix.c.

Typedef Documentation

unix_state

typedef struct unix_state unix_state

Function Documentation

cs_set_error()

void cs_set_error ( COMSTACK cs, int error )

static

Definition at line 106 of file unix.c.

References comstack::cerrno, and cs_set_error().

unix_accept()

COMSTACK unix_accept ( COMSTACK h )

static

Definition at line 515 of file unix.c.

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

Referenced by unix_accept(), and unix_type().

unix_addrstr()

const char * unix_addrstr ( COMSTACK h )

static

Definition at line 775 of file unix.c.

References unix_state::addr, unix_state::buf, comstack::cprivate, unix_addrstr(), and yaz_snprintf().

Referenced by unix_addrstr(), and unix_type().

unix_bind()

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

static

Definition at line 405 of file unix.c.

References comstack::cprivate, CS_LISTEN, CS_SERVER, cs_set_error(), CS_ST_IDLE, CSYSERR, comstack::event, unix_state::gid, comstack::iofile, log_level, comstack::state, SUN_LEN, unix_state::uid, unix_state::umask, unix_bind(), yaz_errno(), yaz_log(), and yaz_set_errno().

Referenced by unix_bind(), and unix_type().

unix_close()

void unix_close ( COMSTACK h )

static

Definition at line 760 of file unix.c.

References unix_state::altbuf, comstack::cprivate, comstack::iofile, log_level, unix_close(), xfree, and yaz_log().

Referenced by unix_close(), and unix_type().

unix_connect()

int unix_connect ( COMSTACK h, void * address )

static

Definition at line 337 of file unix.c.

References CS_CONNECT, cs_set_error(), CS_ST_CONNECTING, CS_ST_UNBND, CS_WANT_WRITE, CSOUTSTATE, CSYSERR, comstack::event, comstack::io_pending, comstack::iofile, log_level, comstack::state, SUN_LEN, unix_connect(), unix_rcvconnect(), yaz_errno(), and yaz_log().

Referenced by unix_connect(), and unix_type().

unix_get()

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

static

Definition at line 591 of file unix.c.

References unix_state::altbuf, unix_state::altlen, unix_state::altsize, unix_state::complete, comstack::cprivate, cs_set_error(), CS_UNIX_BUFCHUNK, CS_WANT_READ, CSBUFSIZE, CSPROTERR, CSYSERR, comstack::io_pending, comstack::iofile, log_level, comstack::max_recv_bytes, unix_get(), xmalloc, xrealloc, yaz_errno(), and yaz_log().

Referenced by unix_get(), and unix_type().

unix_init()

void unix_init ( void )

static

Definition at line 96 of file unix.c.

References log_level, unix_init(), and yaz_log_module_level().

Referenced by unix_init(), unix_strtoaddr_ex(), and unix_type().

unix_listen()

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

static

Definition at line 478 of file unix.c.

References cs_set_error(), CS_ST_IDLE, CS_ST_INCON, CSNODATA, CSOUTSTATE, CSYSERR, comstack::iofile, log_level, comstack::newfd, comstack::state, unix_listen(), yaz_errno(), yaz_log(), and YAZ_SOCKLEN_T.

Referenced by unix_listen(), and unix_type().

unix_more()

int unix_more ( COMSTACK h )

static

Definition at line 325 of file unix.c.

References unix_state::altbuf, unix_state::altlen, unix_state::complete, comstack::cprivate, and unix_more().

Referenced by unix_more(), and unix_type().

unix_put()

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

static

Definition at line 705 of file unix.c.

References unix_state::buf, comstack::cprivate, CS_DATA, cs_set_error(), CS_WANT_WRITE, CSWRONGBUF, CSYSERR, comstack::event, comstack::io_pending, comstack::iofile, log_level, unix_state::towrite, unix_put(), unix_state::written, yaz_errno(), and yaz_log().

Referenced by unix_put(), and unix_type().

unix_rcvconnect()

int unix_rcvconnect ( COMSTACK h )

static

Definition at line 389 of file unix.c.

References CS_DATA, cs_set_error(), CS_ST_CONNECTING, CS_ST_DATAXFER, CSOUTSTATE, comstack::event, log_level, comstack::state, unix_rcvconnect(), and yaz_log().

Referenced by unix_connect(), unix_rcvconnect(), and unix_type().

unix_set_blocking()

int unix_set_blocking ( COMSTACK p, int blocking )

static

Definition at line 782 of file unix.c.

References CS_FLAGS_BLOCKING, comstack::flags, comstack::iofile, and unix_set_blocking().

Referenced by unix_set_blocking(), and unix_type().

unix_straddr()

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

static

Definition at line 294 of file unix.c.

References unix_straddr(), unix_straddr1(), xfree, and xstrdup.

Referenced by unix_straddr(), and unix_type().

unix_straddr1()

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

static

Definition at line 197 of file unix.c.

References unix_state::addr, comstack::cprivate, unix_state::gid, log_level, unix_state::uid, unix_state::umask, unix_straddr1(), unix_strtoaddr_ex(), and yaz_log().

Referenced by unix_straddr(), and unix_straddr1().

unix_strtoaddr()

struct sockaddr_un * unix_strtoaddr

(

const char *

str

)

Definition at line 302 of file unix.c.

References log_level, unix_strtoaddr(), unix_strtoaddr_ex(), and yaz_log().

Referenced by unix_strtoaddr().

unix_strtoaddr_ex()

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

static

Definition at line 182 of file unix.c.

References log_level, unix_init(), unix_strtoaddr_ex(), and yaz_log().

Referenced by unix_straddr1(), unix_strtoaddr(), and unix_strtoaddr_ex().

unix_type()

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

Definition at line 115 of file unix.c.

References unix_state::altbuf, unix_state::altlen, unix_state::altsize, comstack::cerrno, unix_state::complete, 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, log_level, comstack::max_recv_bytes, comstack::protocol, comstack::state, unix_state::towrite, 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, xmalloc, and yaz_log().

Referenced by cs_parse_host(), cs_set_head_only(), unix_type(), and yaz_unix_set_head_only().

yaz_unix_set_head_only()

int yaz_unix_set_head_only	(	COMSTACK	cs,
		int	head_only )

Definition at line 313 of file unix.c.

References comstack::cerrno, unix_state::complete, comstack::cprivate, cs_complete_auto(), cs_complete_auto_head(), CSOUTSTATE, comstack::type, unix_type(), and yaz_unix_set_head_only().

Referenced by cs_set_head_only(), and yaz_unix_set_head_only().

Variable Documentation

log_level

int log_level = 0

static

Definition at line 94 of file unix.c.