/* -*-C-*-

 Header file for the GNU Emacs server and client C code.

 This file is part of GNU Emacs.

 Copying is permitted under those conditions described by the GNU

 General Public License.

 Copyright (C) 1989 Free Software Foundation, Inc.

 Author: Andy Norman (ange@hplb.hpl.hp.com), based on

         'etc/server.c' and 'etc/emacsclient.c' from the 18.52 GNU

         Emacs distribution.

 Please mail bugs and suggestions to the author at the above address.

*/

/* HISTORY

 * 11-Nov-1990		bristor@simba

 *    Added EOT stuff.

 */

/*

 * This file incorporates new features added by Bob Weiner <weiner@mot.com>,

 * Darrell Kindred <dkindred@cmu.edu> and Arup Mukherjee <arup@cmu.edu>.

 * Please see the note at the end of the README file for details.

 *

 * (If gnuserv came bundled with your emacs, the README file is probably

 * ../etc/gnuserv.README relative to the directory containing this file)

 */

#if 0

static char header_rcsid [] = "!Header: gnuserv.h,v 2.4 95/02/16 11:58:11 arup alpha !";

#endif

#define NO_SHORTNAMES

#define PATCHLEVEL 2

#define NO_SHORTNAMES

/* gnuserv should not be compiled using SOCKS */

#define DO_NOT_SOCKSIFY

#include <glibtop.h>

#undef read

#undef write

#undef open

#undef close

#undef signal

/* Define the communication method between server and clients:

 *   You can have either or both kinds of sockets, but you can't mix

 *   sockets with sysv ipc

 */

#define INTERNET_DOMAIN_SOCKETS

#define UNIX_DOMAIN_SOCKETS

/*

 * Define additional authentication protocols to be used. These methods will

 * be tried before falling back to the default gnuserv protocol (based on

 * the GNU_SECURE environment variable). Currently, only MIT-MAGIC-COOKIE-1

 * is also supported.

 *

 * Comment out the next line(s) if you don't want to enable the

 * appropriate authentication protocol.

 */

#if defined (HAVE_XAUTH)

#define AUTH_MAGIC_COOKIE

#endif /* HAVE_XAUTH */

/*

 * stuff related to supporting MIT-MAGIC-COOKIE-1

 */

#if 0

#define MCOOKIE_SCREEN "42980"   /* screen # to use as the gnuserv cookie */

#endif

#define MCOOKIE_NAME   "MAGIC-1" /* authentication protocol name */

#define MCOOKIE_X_NAME "MIT-MAGIC-COOKIE-1"  /* as needed by X */

#define DEFAUTH_NAME "GNU-SECURE"  /* name of default auth protocol */

#define AUTH_TIMEOUT  15           /* # seconds to wait for auth data */

#define AUTH_NAMESZ   15           /* max allows auth protocol name size */

/*

 * Pick a default communication scheme, if none was specified.

 */

#if !defined(UNIX_DOMAIN_SOCKETS) && !defined(INTERNET_DOMAIN_SOCKETS)

/* BSD systems use Unix Domain sockets by default */

#ifdef BSD

#define UNIX_DOMAIN_SOCKETS

#endif

#endif /* No communication method pre-defined */

/*

 * If you are using SYSV_IPC, you might want to make the buffer size bigger

 * since it limits the size of requests and responses. Don't make it bigger

 * than your system's max message size though (usually a couple of k) or else

 * msgsend will start failing. For sockets, using the system BUFSIZ is usually

 * what you want.

 */

#if defined(INTERNET_DOMAIN_SOCKETS) || defined(UNIX_DOMAIN_SOCKETS)

#include <sys/socket.h>

#endif /* INTERNET_DOMAIN_SOCKETS || UNIX_DOMAIN_SOCKETS */

#ifdef INTERNET_DOMAIN_SOCKETS

#include <netdb.h>

#include <netinet/in.h>

#include <arpa/inet.h>

#define TABLE_SIZE 101		/* The number of entries in the hash table */

#define HASH(host) host		/* Rather simplistic hash function */

#define DEFAULT_PORT 21490	/* default port number to use is

				 * DEFAULT_PORT + uid */

#endif /* INTERNET_DOMAIN_SOCKETS */

#ifdef UNIX_DOMAIN_SOCKETS

#include <sys/un.h>

#define HIDE_UNIX_SOCKET	/* put the unix socket in a protected dir */

#endif /* UNIX_DOMAIN_SOCKETS */

#define HOSTNAMSZ 255		/* max size of a hostname */

#define REPLYSIZ 300		/* max size of reply from server to client */

#undef FALSE

#define FALSE 0

#undef TRUE

#define TRUE 1

/* The casts shut Sun's compiler up and are safe in the context these

   are actually used. */

#define max2(x,y) (((int) (x) > (int) (y)) ? (x) : (y))

#define min2(x,y) (((int) (x) < (int) (y)) ? (x) : (y))

#ifndef _NFILE            /* rough guess at maximum number of open files */

#define _NFILE 20

#endif

#define EOT_STR "\004"

#define EOT_CHR '\004'

/* connection types */

#define CONN_UNIX     0

#define CONN_INTERNET 1

#define CONN_IPC      2

/* function declarations */

int glibtop_make_connection (const char *hostarg, int portarg, int *s);

#ifdef INTERNET_DOMAIN_SOCKETS

long glibtop_internet_addr (const char *host);

#endif