/*
 * Copyright (c) 2011-2015, Emulex
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */

/**
 * @file
 * TBD
 */

/**
 * @defgroup cmd_line_parsing Command Line Parsing and Command Execution
 * @defgroup dev_enum Device Enumeration (Using "list")
 * @defgroup flash_parsing Flash File Parsing (Using "file-info")
 * @defgroup flash_access Flash Access
 * @defgroup mbox_cmd Mailbox Command Construction
 * @defgroup dev_mgmt Device Management API
 */


#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <getopt.h>
#include <stdint.h>
#include <string.h>
#include <ctype.h>

#include <elxu_device.h>
#include <elxu_sli4.h>
#include <elxu_sky.h>
#include <elxu_ufi.h>
#include <elxu_dwnld.h>
#include <elxu_dump.h>
#include <elxu_mbox.h>
#include "elxu_common.h"
#include "elxu_commands.h"

#include <ecd_api.h>

#include "version.h"


/**
 * @brief main elxsdkutil CLI functionality
 *
 * This function processes CLI parameters and initiates appropriate functional
 * calls.
 *
 * @param argc  number of entered cli words
 * @param *argv[] pointer to array of entered words
 */
int main(int argc, char *argv[])
{
	elxu_device_t *device;
	int i;
	int result;

	if (getuid() != 0) {
		printf("==[ you may need root to run the command ]==\n");
	}

	/* Special case - if no arguments given print usage and exit */
	if (argc == 1) {
		fprintf(stderr, "Type 'elxsdkutil help' for usage\n");
		exit(0);
	}

	elxu_build_device_list(argc, argv);
	device = elxu_device_from_args(argc, argv);

	for (i = 0; i < ARRAY_SIZE(cmd_table); i++) {
		if (strcmp(argv[1],cmd_table[i].name) == 0) {
			if (device == NULL) {
				if (cmd_table[i].nodev_handler != NULL) {
					result = cmd_table[i].nodev_handler(argc, argv);
				} else {
					fprintf(stderr, "The %s command requires a device\n",
						argv[1]);
					result = -1;
				}
			} else {
				switch (device->driver) {
				case DEVICE_DRIVER_OCS:
				case DEVICE_DRIVER_USPACE:
					if (cmd_table[i].ocs_handler != NULL) {
						result = cmd_table[i].ocs_handler(argc, argv);
					} else {
						fprintf(stderr,
							"The %s command is not supported with the OCS SDK drivers\n",
							argv[1]);
						result = -1;
					}
					break;
				case DEVICE_DRIVER_PT:
					if (cmd_table[i].pt_handler != NULL) {
						result = cmd_table[i].pt_handler(argc, argv);
					} else {
						fprintf(stderr, "The %s command is not supported with the elx_pt driver\n",
							argv[1]);
						result = -1;
					}
					break;
				case DEVICE_DRIVER_NONE:
					if (cmd_table[i].nodriver_handler != NULL) {
						result = cmd_table[i].nodriver_handler(argc, argv);
					} else {
						fprintf(stderr,
							"The %s command is not supported with the OCS SDK drivers\n",
							argv[1]);
						result = -1;
					}
					break;
				case DEVICE_DRIVER_BE2NET:
					/* See if there's a nodev handler that will work */
					if (cmd_table[i].nodev_handler != NULL) {
						result = cmd_table[i].nodev_handler(argc, argv);
					} else {
						fprintf(stderr, "Device %d is controlled by the be2net driver, \
							 which is unsupported by %s\n", device->deviceIndex, argv[0]);
						result = -1;
					}
					break;
				case DEVICE_DRIVER_UNKNOWN:
					/* See if there's a nodev handler that will work */
					if (cmd_table[i].nodev_handler != NULL) {
						result = cmd_table[i].nodev_handler(argc, argv);
					} else {
						fprintf(stderr, "Unknown driver handling device %d\n",
							device->deviceIndex);
						result = -1;
					}
					break;
				}
			}

			elxu_delete_device_list();
			return result;
		}
	}

	fprintf(stderr, "Unknown command: %s\n", argv[1]);
	fprintf(stderr, "Type 'elxsdkutil help' for usage\n");

	elxu_delete_device_list();
	return -1;
}

/**
* @page elxsdkutil_components.html Design and Main Components
* - @ref cmd_line_parsing
* - @ref dev_enum
* - @ref flash_parsing
* - @ref flash_access
* - @ref mbox_cmd
* - @ref dev_mgmt
*
* @n @section util_main_components Main Components of the elxsdkutil Structure
*
*/