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

Copyright (c) 2015-2017, Intel Corporation

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * 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.
    * Neither the name of Intel Corporation nor the names of its contributors
      may be used to endorse or promote products derived from this software
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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;
}