/* BEGIN_ICS_COPYRIGHT7 ****************************************

Copyright (c) 2015-2017, Intel Corporation

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    * Redistributions of source code must retain the above copyright notice,

      this list of conditions and the following disclaimer.

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** END_ICS_COPYRIGHT7   ****************************************/

/* [ICS VERSION STRING: unknown] */

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <errno.h>

#define _GNU_SOURCE

#include <getopt.h>

#include <iba/ibt.h>

#include <opamgt_priv.h>

void Usage(int exitcode)

{

	fprintf(stderr, "Usage: oparesolvehfiport [-o output] [hfi] [port]\n");

	fprintf(stderr, "            or\n");

	fprintf(stderr, "       oparesolvehfiport --help\n");

	fprintf(stderr, "    hfi         - hfi, numbered 1..n, 0 = system wide port num\n");

	fprintf(stderr, "                  (default is 0)\n");

	fprintf(stderr, "    port        - port, numbered 1..n, 0 = 1st active\n");

 	fprintf(stderr, "                  (default is 0)\n");

	fprintf(stderr, "    -o/--output - output type\n");

	fprintf(stderr, "\n");

	fprintf(stderr, "Output Type:\n");

	fprintf(stderr, "    devname - prints the device name, in the format hfiname:portnum\n");

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

        fprintf(stderr, "    hfinum  - prints the hfi number\n");

	fprintf(stderr, "\n");

	fprintf(stderr, "The hfi and port permit a variety of selections:\n");

	fprintf(stderr, "  0 0     - 1st active port in system\n");

	fprintf(stderr, "  x 0     - 1st active port on HFI x\n");

	fprintf(stderr, "  0 y     - port y within system (irrespective of which ports are active)\n");

	fprintf(stderr, "  x y     - HFI x, port y\n");

	fprintf(stderr, "\n");

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

	fprintf(stderr, "    oparesolvehfiport 0 1                #Output: hfi1_0:1\n");

	fprintf(stderr, "    oparesolvehfiport -o devname 0 1     #Output: hfi1_0:1\n");

	fprintf(stderr, "    oparesolvehfiport -o hfinum 0 1      #Output: 1\n");

	exit(exitcode);

}

int main(int argc, char ** argv)

{

	FSTATUS             fstatus;

	uint8               hfi         = 0;

	uint8               port        = 0;

	EUI64               portGuid    = -1;

	int c;

	int devName_out = 1; //default output

	int hfiNum, hfiNum_out = 0;

	const char *options = "o:";

	const struct option longopts[] = {{"help", 0, 0, '$'},

						{"output", required_argument, 0, 'o'},

						{0, 0, 0, 0}};

	uint32 caCount, portCount;

	char fiName[255];

	int caPort;

	while (-1 != (c = getopt_long(argc, argv, options, longopts, NULL))) {

		switch (c) {

		case '$':

			Usage(0);

			break;

		case 'o':

			if (strcmp(optarg, "hfinum") == 0) {

				hfiNum_out = 1;

			}

			else if (strcmp(optarg, "devname") == 0) {

				devName_out = 1;

			}

			else {

				fprintf(stderr, "oparesolvehfiport: Invalid Output Type\n");

				Usage(2);

			}

			break;

		default:

			Usage(2);

		}

	}

	if (argc > optind) {

		if (FSUCCESS != StringToUint8(&hfi, argv[optind], NULL, 0, TRUE)) {

			fprintf(stderr, "oparesolvehfiport: Invalid HFI Number: %s\n", argv[optind]);

			Usage(2);

		}

	}

	if (argc > optind+1) {

		if (FSUCCESS != StringToUint8(&port, argv[optind+1], NULL, 0, TRUE)) {

			fprintf(stderr, "oparesolvehfiport: Invalid Port Number: %s\n", argv[optind+1]);

			Usage(2);

		}

	}

	// find portGuid specified

	fstatus = omgt_get_portguid(hfi, port, NULL, NULL, NULL, &portGuid, NULL, NULL,

								&caCount, &portCount, fiName, &caPort, NULL);

	if (FNOT_FOUND == fstatus) {

		fprintf(stderr, "oparesolvehfiport: %s\n",

			iba_format_get_portguid_error(hfi, port, caCount, portCount));

		return 1;

	} else if (FSUCCESS != fstatus) {

		fprintf(stderr, "opasaquery: iba_get_portguid Failed: %s\n", iba_fstatus_msg(fstatus));

		return 1;

	}

    //printf("PORT GUID 0x%016"PRIx64"\n",portGuid);

	if(hfiNum_out) {

		hfiNum = omgt_get_hfi_num(fiName);

		printf("%d\n", hfiNum);

	}

	else if(devName_out) {

		printf("%s:%d\n", fiName, caPort);

	}

	return 0;

}