/*
 * Copyright (c) 2002-2005, Network Appliance, Inc. All rights reserved.
 *
 * This Software is licensed under one of the following licenses:
 *
 * 1) under the terms of the "Common Public License 1.0" a copy of which is
 *    in the file LICENSE.txt in the root directory. The license is also
 *    available from the Open Source Initiative, see
 *    http://www.opensource.org/licenses/cpl.php.
 *
 * 2) under the terms of the "The BSD License" a copy of which is in the file
 *    LICENSE2.txt in the root directory. The license is also available from
 *    the Open Source Initiative, see
 *    http://www.opensource.org/licenses/bsd-license.php.
 *
 * 3) under the terms of the "GNU General Public License (GPL) Version 2" a 
 *    copy of which is in the file LICENSE3.txt in the root directory. The 
 *    license is also available from the Open Source Initiative, see
 *    http://www.opensource.org/licenses/gpl-license.php.
 *
 * Licensee has the right to choose one of the above licenses.
 *
 * Redistributions of source code must retain the above copyright
 * notice and one of the license notices.
 *
 * Redistributions in binary form must reproduce both the above copyright
 * notice, one of the license notices in the documentation
 * and/or other materials provided with the distribution.
 */

/**********************************************************************
 *
 * MODULE: dat_strerror.c
 *
 * PURPOSE: Convert DAT_RETURN values to humman readable string
 *
 * $Id: dat_strerror.c,v 1.10 2005/03/24 05:58:28 jlentini Exp $
 **********************************************************************/

#ifdef __KDAPL__
#include <dat2/kdat.h>
#else /*__UDAPL__*/
#include <dat2/udat.h>
#endif				/* __UDAPL__ */

/*********************************************************************
 *                                                                   *
 * Internal Function Declarations                                    *
 *                                                                   *
 *********************************************************************/

static DAT_RETURN
dat_strerror_major(IN DAT_RETURN value, OUT const char **message);

static DAT_RETURN
dat_strerror_minor(IN DAT_RETURN value, OUT const char **message);

/*********************************************************************
 *                                                                   *
 * Internal Function Definitions                                     *
 *                                                                   *
 *********************************************************************/

static DAT_RETURN
dat_strerror_major(IN DAT_RETURN value, OUT const char **message)
{
	switch (DAT_GET_TYPE(value)) {
	case DAT_SUCCESS:
		{
			*message = "DAT_SUCCESS";
			return DAT_SUCCESS;
		}
	case DAT_ABORT:
		{
			*message = "DAT_ABORT";
			return DAT_SUCCESS;
		}
	case DAT_CONN_QUAL_IN_USE:
		{
			*message = "DAT_CONN_QUAL_IN_USE";
			return DAT_SUCCESS;
		}
	case DAT_INSUFFICIENT_RESOURCES:
		{
			*message = "DAT_INSUFFICIENT_RESOURCES";
			return DAT_SUCCESS;
		}
	case DAT_INTERNAL_ERROR:
		{
			*message = "DAT_INTERNAL_ERROR";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE:
		{
			*message = "DAT_INVALID_HANDLE";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_PARAMETER:
		{
			*message = "DAT_INVALID_PARAMETER";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE:
		{
			*message = "DAT_INVALID_STATE";
			return DAT_SUCCESS;
		}
	case DAT_LENGTH_ERROR:
		{
			*message = "DAT_LENGTH_ERROR";
			return DAT_SUCCESS;
		}
	case DAT_MODEL_NOT_SUPPORTED:
		{
			*message = "DAT_MODEL_NOT_SUPPORTED";
			return DAT_SUCCESS;
		}
	case DAT_PROVIDER_NOT_FOUND:
		{
			*message = "DAT_PROVIDER_NOT_FOUND";
			return DAT_SUCCESS;
		}
	case DAT_PRIVILEGES_VIOLATION:
		{
			*message = "DAT_PRIVILEGES_VIOLATION";
			return DAT_SUCCESS;
		}
	case DAT_PROTECTION_VIOLATION:
		{
			*message = "DAT_PROTECTION_VIOLATION";
			return DAT_SUCCESS;
		}
	case DAT_QUEUE_EMPTY:
		{
			*message = "DAT_QUEUE_EMPTY";
			return DAT_SUCCESS;
		}
	case DAT_QUEUE_FULL:
		{
			*message = "DAT_QUEUE_FULL";
			return DAT_SUCCESS;
		}
	case DAT_TIMEOUT_EXPIRED:
		{
			*message = "DAT_TIMEOUT_EXPIRED";
			return DAT_SUCCESS;
		}
	case DAT_PROVIDER_ALREADY_REGISTERED:
		{
			*message = "DAT_PROVIDER_ALREADY_REGISTERED";
			return DAT_SUCCESS;
		}
	case DAT_PROVIDER_IN_USE:
		{
			*message = "DAT_PROVIDER_IN_USE";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ADDRESS:
		{
			*message = "DAT_INVALID_ADDRESS";
			return DAT_SUCCESS;
		}
	case DAT_INTERRUPTED_CALL:
		{
			*message = "DAT_INTERRUPTED_CALL";
			return DAT_SUCCESS;
		}
	case DAT_NOT_IMPLEMENTED:
		{
			*message = "DAT_NOT_IMPLEMENTED";
			return DAT_SUCCESS;
		}
	default:
		{
			*message = "unknown error";
			return DAT_INVALID_PARAMETER;
		}
	}
}

static DAT_RETURN
dat_strerror_minor(IN DAT_RETURN value, OUT const char **message)
{
	switch (DAT_GET_SUBTYPE(value)) {

	case DAT_NO_SUBTYPE:	/* NO subtype */
		{
			*message = "";
			return DAT_SUCCESS;
		}
	case DAT_SUB_INTERRUPTED:
		{
			*message = "DAT_SUB_INTERRUPTED";
			return DAT_SUCCESS;
		}
	case DAT_RESOURCE_MEMORY:
		{
			*message = "DAT_RESOURCE_MEMORY";
			return DAT_SUCCESS;
		}
	case DAT_RESOURCE_DEVICE:
		{
			*message = "DAT_RESOURCE_DEVICE";
			return DAT_SUCCESS;
		}
	case DAT_RESOURCE_TEP:
		{
			*message = "DAT_RESOURCE_TEP";
			return DAT_SUCCESS;
		}
	case DAT_RESOURCE_TEVD:
		{
			*message = "DAT_RESOURCE_TEVD";
			return DAT_SUCCESS;
		}
	case DAT_RESOURCE_PROTECTION_DOMAIN:
		{
			*message = "DAT_RESOURCE_PROTECTION_DOMAIN";
			return DAT_SUCCESS;
		}
	case DAT_RESOURCE_MEMORY_REGION:
		{
			*message = "DAT_RESOURCE_MEMORY_REGION";
			return DAT_SUCCESS;
		}
	case DAT_RESOURCE_ERROR_HANDLER:
		{
			*message = "DAT_RESOURCE_ERROR_HANDLER";
			return DAT_SUCCESS;
		}
	case DAT_RESOURCE_CREDITS:
		{
			*message = "DAT_RESOURCE_CREDITS";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_IA:
		{
			*message = "DAT_INVALID_HANDLE_IA";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_EP:
		{
			*message = "DAT_INVALID_HANDLE_EP";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_LMR:
		{
			*message = "DAT_INVALID_HANDLE_LMR";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_RMR:
		{
			*message = "DAT_INVALID_HANDLE_RMR";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_PZ:
		{
			*message = "DAT_INVALID_HANDLE_PZ";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_PSP:
		{
			*message = "DAT_INVALID_HANDLE_PSP";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_RSP:
		{
			*message = "DAT_INVALID_HANDLE_RSP";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_CR:
		{
			*message = "DAT_INVALID_HANDLE_CR";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_CNO:
		{
			*message = "DAT_INVALID_HANDLE_CNO";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_EVD_CR:
		{
			*message = "DAT_INVALID_HANDLE_EVD_CR";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_EVD_REQUEST:
		{
			*message = "DAT_INVALID_HANDLE_EVD_REQUEST";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_EVD_RECV:
		{
			*message = "DAT_INVALID_HANDLE_EVD_RECV";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_EVD_CONN:
		{
			*message = "DAT_INVALID_HANDLE_EVD_CONN";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_HANDLE_EVD_ASYNC:
		{
			*message = "DAT_INVALID_HANDLE_EVD_ASYNC";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ARG1:
		{
			*message = "DAT_INVALID_ARG1";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ARG2:
		{
			*message = "DAT_INVALID_ARG2";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ARG3:
		{
			*message = "DAT_INVALID_ARG3";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ARG4:
		{
			*message = "DAT_INVALID_ARG4";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ARG5:
		{
			*message = "DAT_INVALID_ARG5";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ARG6:
		{
			*message = "DAT_INVALID_ARG6";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ARG7:
		{
			*message = "DAT_INVALID_ARG7";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ARG8:
		{
			*message = "DAT_INVALID_ARG8";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ARG9:
		{
			*message = "DAT_INVALID_ARG9";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ARG10:
		{
			*message = "DAT_INVALID_ARG10";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EP_UNCONNECTED:
		{
			*message = "DAT_INVALID_STATE_EP_UNCONNECTED";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EP_ACTCONNPENDING:
		{
			*message = "DAT_INVALID_STATE_EP_ACTCONNPENDING";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EP_PASSCONNPENDING:
		{
			*message = "DAT_INVALID_STATE_EP_PASSCONNPENDING";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EP_TENTCONNPENDING:
		{
			*message = "DAT_INVALID_STATE_EP_TENTCONNPENDING";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EP_CONNECTED:
		{
			*message = "DAT_INVALID_STATE_EP_CONNECTED";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EP_DISCONNECTED:
		{
			*message = "DAT_INVALID_STATE_EP_DISCONNECTED";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EP_RESERVED:
		{
			*message = "DAT_INVALID_STATE_EP_RESERVED";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EP_COMPLPENDING:
		{
			*message = "DAT_INVALID_STATE_EP_COMPLPENDING";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EP_DISCPENDING:
		{
			*message = "DAT_INVALID_STATE_EP_DISCPENDING";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EP_PROVIDERCONTROL:
		{
			*message = "DAT_INVALID_STATE_EP_PROVIDERCONTROL";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EP_NOTREADY:
		{
			*message = "DAT_INVALID_STATE_EP_NOTREADY";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_CNO_IN_USE:
		{
			*message = "DAT_INVALID_STATE_CNO_IN_USE";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_CNO_DEAD:
		{
			*message = "DAT_INVALID_STATE_CNO_DEAD";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EVD_OPEN:
		{
			*message = "DAT_INVALID_STATE_EVD_OPEN";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EVD_ENABLED:
		{
			*message = "DAT_INVALID_STATE_EVD_ENABLED";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EVD_DISABLED:
		{
			*message = "DAT_INVALID_STATE_EVD_DISABLED";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EVD_WAITABLE:
		{
			*message = "DAT_INVALID_STATE_EVD_WAITABLE";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EVD_UNWAITABLE:
		{
			*message = "DAT_INVALID_STATE_EVD_UNWAITABLE";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EVD_IN_USE:
		{
			*message = "DAT_INVALID_STATE_EVD_IN_USE";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EVD_CONFIG_NOTIFY:
		{
			*message = "DAT_INVALID_STATE_EVD_CONFIG_NOTIFY";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EVD_CONFIG_SOLICITED:
		{
			*message = "DAT_INVALID_STATE_EVD_CONFIG_SOLICITED";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EVD_CONFIG_THRESHOLD:
		{
			*message = "DAT_INVALID_STATE_EVD_CONFIG_THRESHOLD";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EVD_WAITER:
		{
			*message = "DAT_INVALID_STATE_EVD_WAITER";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_EVD_ASYNC:
		{
			*message = "DAT_INVALID_STATE_EVD_ASYNC";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_IA_IN_USE:
		{
			*message = "DAT_INVALID_STATE_IA_IN_USE";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_LMR_IN_USE:
		{
			*message = "DAT_INVALID_STATE_LMR_IN_USE";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_LMR_FREE:
		{
			*message = "DAT_INVALID_STATE_LMR_FREE";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_PZ_IN_USE:
		{
			*message = "DAT_INVALID_STATE_PZ_IN_USE";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_STATE_PZ_FREE:
		{
			*message = "DAT_INVALID_STATE_PZ_FREE";
			return DAT_SUCCESS;
		}
	case DAT_PRIVILEGES_READ:
		{
			*message = "DAT_PRIVILEGES_READ";
			return DAT_SUCCESS;
		}
	case DAT_PRIVILEGES_WRITE:
		{
			*message = "DAT_PRIVILEGES_WRITE";
			return DAT_SUCCESS;
		}
	case DAT_PRIVILEGES_RDMA_READ:
		{
			*message = "DAT_PRIVILEGES_RDMA_READ";
			return DAT_SUCCESS;
		}
	case DAT_PRIVILEGES_RDMA_WRITE:
		{
			*message = "DAT_PRIVILEGES_RDMA_WRITE";
			return DAT_SUCCESS;
		}
	case DAT_PROTECTION_READ:
		{
			*message = "DAT_PROTECTION_READ";
			return DAT_SUCCESS;
		}
	case DAT_PROTECTION_WRITE:
		{
			*message = "DAT_PROTECTION_WRITE";
			return DAT_SUCCESS;
		}
	case DAT_PROTECTION_RDMA_READ:
		{
			*message = "DAT_PROTECTION_RDMA_READ";
			return DAT_SUCCESS;
		}
	case DAT_PROTECTION_RDMA_WRITE:
		{
			*message = "DAT_PROTECTION_RDMA_WRITE";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ADDRESS_UNSUPPORTED:
		{
			*message = "DAT_INVALID_ADDRESS_UNSUPPORTED";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ADDRESS_UNREACHABLE:
		{
			*message = "DAT_INVALID_ADDRESS_UNREACHABLE";
			return DAT_SUCCESS;
		}
	case DAT_INVALID_ADDRESS_MALFORMED:
		{
			*message = "DAT_INVALID_ADDRESS_MALFORMED";
			return DAT_SUCCESS;
		}
	case DAT_NAME_NOT_REGISTERED:
		{
			*message = "DAT_NAME_NOT_REGISTERED";
			return DAT_SUCCESS;
		}
	case DAT_MAJOR_NOT_FOUND:
		{
			*message = "DAT_MAJOR_NOT_FOUND";
			return DAT_SUCCESS;
		}
	case DAT_MINOR_NOT_FOUND:
		{
			*message = "DAT_MINOR_NOT_FOUND";
			return DAT_SUCCESS;
		}
	case DAT_THREAD_SAFETY_NOT_FOUND:
		{
			*message = "DAT_THREAD_SAFETY_NOT_FOUND";
			return DAT_SUCCESS;
		}
	default:
		{
			*message = "unknown minor error";
			return DAT_INVALID_PARAMETER;
		}
	}
}

/*********************************************************************
 *                                                                   *
 * External Function Definitions                                     *
 *                                                                   *
 *********************************************************************/

DAT_RETURN DAT_API
dat_strerror(IN DAT_RETURN value,
	     OUT const char **major_message, OUT const char **minor_message)
{
	/*
	 * The DAT specification contains a note to implementers
	 * suggesting that the consumer's DAT_RETURN value be used
	 * as an index into a table of text strings. However,
	 * the DAT_RETURN values are not consecutive. Therefore this
	 * implementation does not follow the suggested implementation.
	 */

	if (DAT_SUCCESS != dat_strerror_major(value, major_message)) {
		return DAT_INVALID_PARAMETER;
	} else if (minor_message != NULL) {
		if (DAT_SUCCESS != dat_strerror_minor(value, minor_message)) {
			return DAT_INVALID_PARAMETER;
		}
	}

	return DAT_SUCCESS;
}