xref: /xsrc/external/mit/libSM/dist/src/sm_error.c

/*

Copyright 1993, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.

*/

/*
 * Author: Ralph Mor, X Consortium
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <X11/SM/SMlib.h>
#include "SMlibint.h"
#include <stdio.h>



/*
 * Default Smc error handler.
 */

void
_SmcDefaultErrorHandler(SmcConn smcConn, Bool swap, int offendingMinorOpcode,
			unsigned long offendingSequence, int errorClass,
			int severity, SmPointer values)
{
    char *pData = (char *) values;
    const char *str;

    switch (offendingMinorOpcode)
    {
        case SM_RegisterClient:
            str = "RegisterClient";
	    break;
        case SM_InteractRequest:
            str = "InteractRequest";
	    break;
        case SM_InteractDone:
            str = "InteractDone";
	    break;
        case SM_SaveYourselfDone:
            str = "SaveYourselfDone";
	    break;
        case SM_CloseConnection:
            str = "CloseConnection";
	    break;
        case SM_SetProperties:
            str = "SetProperties";
	    break;
        case SM_GetProperties:
            str = "GetProperties";
	    break;
	default:
	    str = "";
	}

    fprintf (stderr, "\n");

    fprintf (stderr, "XSMP error:  Offending minor opcode    = %d (%s)\n",
	offendingMinorOpcode, str);

    fprintf (stderr, "             Offending sequence number = %ld\n",
	offendingSequence);

    switch (errorClass)
    {
        case IceBadMinor:
            str = "BadMinor";
            break;
        case IceBadState:
            str = "BadState";
            break;
        case IceBadLength:
            str = "BadLength";
            break;
        case IceBadValue:
            str = "BadValue";
            break;
	default:
	    str = "???";
    }

    fprintf (stderr, "             Error class               = %s\n", str);

    if (severity == IceCanContinue)
	str = "CanContinue";
    else if (severity == IceFatalToProtocol)
	str = "FatalToProtocol";
    else if (severity == IceFatalToConnection)
	str = "FatalToConnection";
    else
	str = "???";

    fprintf (stderr, "             Severity                  = %s\n", str);

    switch (errorClass)
    {
        case IceBadValue:
        {
	    unsigned int offset, length, val;

	    EXTRACT_CARD32 (pData, swap, offset);
	    EXTRACT_CARD32 (pData, swap, length);

	    fprintf (stderr,
		"             BadValue Offset           = %d\n", offset);
	    fprintf (stderr,
		"             BadValue Length           = %d\n", length);

	    if (length <= 4)
	    {
		if (length == 1)
		    val = (unsigned int) *pData;
		else if (length == 2)
		{
		    EXTRACT_CARD16 (pData, swap, val);
		}
		else
		{
		    EXTRACT_CARD32 (pData, swap, val);
		}

		fprintf (stderr,
	            "             BadValue                  = %d\n", val);
	    }
            break;
	}

	default:
	    break;
    }

    fprintf (stderr, "\n");

    if (severity != IceCanContinue)
	exit (1);
}



/*
 * Default Sms error handler.
 */

void
_SmsDefaultErrorHandler(SmsConn smsConn, Bool swap, int offendingMinorOpcode,
			unsigned long offendingSequence, int errorClass,
			int severity, SmPointer values)
{
    char *pData = (char *) values;
    const char *str;

    switch (offendingMinorOpcode)
    {
        case SM_SaveYourself:
            str = "SaveYourself";
	    break;
        case SM_Interact:
            str = "Interact";
	    break;
        case SM_Die:
            str = "Die";
	    break;
        case SM_ShutdownCancelled:
            str = "ShutdownCancelled";
	    break;
	default:
	    str = "";
	}

    fprintf (stderr, "\n");

    fprintf (stderr, "XSMP error:  Offending minor opcode    = %d (%s)\n",
	offendingMinorOpcode, str);

    fprintf (stderr, "             Offending sequence number = %ld\n",
	offendingSequence);

    switch (errorClass)
    {
        case IceBadMinor:
            str = "BadMinor";
            break;
        case IceBadState:
            str = "BadState";
            break;
        case IceBadLength:
            str = "BadLength";
            break;
        case IceBadValue:
            str = "BadValue";
            break;
	default:
	    str = "???";
    }

    fprintf (stderr, "             Error class               = %s\n", str);

    if (severity == IceCanContinue)
	str = "CanContinue";
    else if (severity == IceFatalToProtocol)
	str = "FatalToProtocol";
    else if (severity == IceFatalToConnection)
	str = "FatalToConnection";
    else
	str = "???";

    fprintf (stderr, "             Severity                  = %s\n", str);

    switch (errorClass)
    {
        case IceBadValue:
        {
	    unsigned int offset, length, val;

	    EXTRACT_CARD32 (pData, swap, offset);
	    EXTRACT_CARD32 (pData, swap, length);

	    fprintf (stderr,
		"             BadValue Offset           = %d\n", offset);
	    fprintf (stderr,
		"             BadValue Length           = %d\n", length);

	    if (length <= 4)
	    {
		if (length == 1)
		    val = (unsigned int) *pData;
		else if (length == 2)
		{
		    EXTRACT_CARD16 (pData, swap, val);
		}
		else
		{
		    EXTRACT_CARD32 (pData, swap, val);
		}

		fprintf (stderr,
	            "             BadValue                  = %d\n", val);
	    }
            break;
	}

	default:
	    break;
    }

    fprintf (stderr, "\n\n");

    /* don't exit() - that would kill the SM - pretty devastating */
}



/*
 * This procedure sets the Smc error handler to be the specified
 * routine.  If NULL is passed in the default error handler is restored.
 * The function's return value is the previous error handler.
 */

SmcErrorHandler
SmcSetErrorHandler(SmcErrorHandler handler)
{
    SmcErrorHandler oldHandler = _SmcErrorHandler;

    if (handler != NULL)
	_SmcErrorHandler = handler;
    else
	_SmcErrorHandler = _SmcDefaultErrorHandler;

    return (oldHandler);
}



/*
 * This procedure sets the Sms error handler to be the specified
 * routine.  If NULL is passed in the default error handler is restored.
 * The function's return value is the previous error handler.
 */

SmsErrorHandler
SmsSetErrorHandler(SmsErrorHandler handler)
{
    SmsErrorHandler oldHandler = _SmsErrorHandler;

    if (handler != NULL)
	_SmsErrorHandler = handler;
    else
	_SmsErrorHandler = _SmsDefaultErrorHandler;

    return (oldHandler);
}