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/* $XConsortium: Xstreams.h,v 1.6 91/07/19 23:22:53 gildea Exp $ */
/* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of AT&T or USL not be used in advertising
* or publicity pertaining to distribution of the software without specific,
* written prior permission. AT&T and USL make no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* AT&T and USL DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL AT&T or USL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $XFree86$ */
#ifndef _XSTREAMS_H_
#define _XSTREAMS_H_
/*
Xstreams.h (C header file)
Acc: 575304412 Tue Apr 26 09:46:52 1988
Mod: 574017273 Tue Apr 26 12:14:33 1988
Sta: 574017273 Tue Apr 26 12:14:33 1988
Owner: 2011
Group: 1985
Permissions: 644
*/
/*
START USER STAMP AREA
*/
/*
END USER STAMP AREA
*/
#define MEM_ALLIGN(ptr) ((((unsigned) (ptr + 3)) >> 2) << 2)
#define CONNECT_TIMEOUT 60
#define MAX_AUTO_BUF_LEN 256
#define MAX_DISP_DIGITS 20
#define MAX_NETS 8
typedef struct _host {
char host_name[32];
int host_len;
struct _host *next;
} HOST;
/*
* Structure for handling multiple connection requests on the same stream.
*/
struct listenCall {
struct t_call *CurrentCall;
struct listenCall *NextCall;
};
struct listenQue {
struct listenCall *QueHead;
struct listenCall *QueTail;
};
#define EMPTY(p) (p->QueHead == (struct listenCall *) NULL)
typedef struct {
int flags;
char type;
int display;
char *inputbuf;
int buflen;
int bufptr;
int msglen;
} IOBUFFER;
typedef struct {
int _nnets;
#ifdef SVR4
struct netconfig *_net[MAX_NETS];
#else
char *_net[MAX_NETS];
#endif
struct listenQue FreeList[MAX_NETS];
struct listenQue PendingQue[MAX_NETS];
int _npeers;
char **_peer;
int *_peerlen;
HOST *_validhosts;
} networkInfo;
typedef struct _Xstream {
int (*SetupTheListener)();
int (*ConnectNewClient)();
int (*CallTheListener)();
int (*ReadFromStream)();
int (*BytesCanBeRead)();
int (*WriteToStream)();
int (*CloseStream)();
int (*CreateAddress)();
union ext {
int (*NameServer)();
networkInfo *NetInfo;
} u;
} Xstream;
/* old shared libraries have the names already fixed */
#ifdef USL_COMPAT
#define _XsStream xstream
#define _XReadV _readv
#define _XWriteV _writev
#define _XSelect XSelect
#define _XsErrorCall ErrorCall
#define _XsSetupLocalStream SetupLocalStream
#define _XsConnectLocalClient ConnectLocalClient
#define _XsOpenSpServer OpenSpServer
#define _XsReadLocalStream ReadLocalStream
#define _XsConnectTliClient ConnectTliClient
#define _XsSetupTliStrean SetupTliStream
#define _XsCallTliServer CallTliServer
#define _XsCallLocalServer CallLocalServer
#define _XsTypeOfStream TypeOfStream
#ifdef SVR4
#define _XsSetupNamedStream SetupNamedStream
#define _XsSetupSpStream SetupSpStream
#endif /* SVR4 */
#endif /* USL_COMPAT */
extern Xstream _XsStream[];
#define NO_BUFFERING 0
#define BUFFERING 1
/* Network services */
#define OpenDaemonConnection 0
#define PEER_NAME 1
#define PEER_ALLOC 2
#define PEER_FREE 3
#define ConvertNetAddrToName 4
#define ConvertNameToNetAddr 5
#define ConvertNameToTliCall 6
#define ConvertTliCallToName 7
#define ConvertNameToTliBind 8
#define UNAME_LENGTH 14
#define X_LOCAL_STREAM 0
#define X_NAMED_STREAM 1
/* Enhanced Application Compatibility Support */
#define X_SP_STREAM 2
/* End Enhanced Application Compatibility Support */
#define X_TLI_STREAM 3
#define CLOSED_STREAM -1
/*
The following are defined in X.h. Any changes to FamilyUname
should take X.h into consideration.
*/
/* protocol families */
/*
#define FamilyInternet 0
#define FamilyDECnet 1
#define FamilyChaos 2
*/
#define FamilyUname 3
#define X_TCP_PORT 6000
#define NAMED_LISTENER "/dev/X/Nserver"
#define LOCAL_LISTENER "/dev/X/server"
/* Enhanced Application Compatibility Support */
/* End Enhanced Application Compatibility Support */
#define NAME_SERVER_NODE "/dev/X/nameserver"
#define XNETSPECDIR "lib/net"
#define XROOTDIR "/usr/X"
#define MAX_SIMUL_TLI_CALLS 20
#define SetupNetworkInfo() _XsStream[X_LOCAL_STREAM].u.NetInfo = &Network; \
_XsStream[X_NAMED_STREAM].u.NetInfo = &Network; \
/* Enhanced Application Compatibility Support */ \
/* End Enhanced Application Compatibility Support */ \
_XsStream[X_TLI_STREAM].u.NameServer = nameserver
#define NetworkInfo (_XsStream[X_LOCAL_STREAM].u.NetInfo)
#define GetNetworkInfo (*_XsStream[X_TLI_STREAM].u.NameServer)
#define validhosts _XsStream[X_LOCAL_STREAM].u.NetInfo->_validhosts
/*
* header of messages sent by X to the nameserver
* 1st int: the size of the entire message.
* 2nd int: the size of the header itself.
* 3rd int: the service number.
* 4th int: the display number.
* 5th int: the length of the network name.
*/
#define HEADERSIZE (5*sizeof(int))
#endif /* _XSTREAMS_H_ */
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