/* 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
      without specific prior written permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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** END_ICS_COPYRIGHT7   ****************************************/

/* [ICS VERSION STRING: unknown] */

#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <linux/types.h>
#include <endian.h>
#include <getopt.h>
#include <opasadb_path_private.h>
#include <opasadb_debug.h>
#include <arpa/inet.h>
#include <sys/mman.h>
#include "dumppath.h"

#define HFINAME "qib0"
#define PORTNO  1

int 
dump(FILE *f)
{
	op_ppath_reader_t r;
	int err;
	unsigned i;

	err = op_ppath_create_reader(&r);
	if (err) {
		_DBG_ERROR( "Failed to access shared memory tables: %s\n",
				strerror(err));
		return err;
	}

	fprintf(f,"Shared Table:\n");
	fprintf(f,"\tABI Version: %u\n", r.shared_table->abi_version);
	fprintf(f,"\tSubnet Name: %s\n", r.shared_table->subnet_table_name);
	fprintf(f,"\tSubnet Update Count: %u\n", 
			r.shared_table->subnet_update_count);
	fprintf(f,"\tPort Name: %s\n", r.shared_table->port_table_name);
	fprintf(f,"\tPort Update Count: %u\n", r.shared_table->port_update_count);
	fprintf(f,"\tVFab Name: %s\n", r.shared_table->vfab_table_name);
	fprintf(f,"\tVFab Update Count: %u\n", r.shared_table->vfab_update_count);
	fprintf(f,"\tPath Name: %s\n", r.shared_table->path_table_name);
	fprintf(f,"\tPath Update Count: %u\n", r.shared_table->path_update_count);

	fprintf(f,"\n\nSubnet Table:\n");
	fprintf(f,"\tSubnet Size: %u\n", r.subnet_table->subnet_size);
	fprintf(f,"\tSubnet Count: %u\n", r.subnet_table->subnet_count);
	fprintf(f,"\tSID Size: %u\n", r.subnet_table->sid_size);
	fprintf(f,"\tSID Count: %u\n", r.subnet_table->sid_count);
	for (i = 1; i <= r.subnet_table->subnet_count ; i++) {
		fprintf(f,"\tSubnet[%u]:\n",i);
		fprintf(f,"\t\tPrefix: 0x%016lx\n",
				hton64(r.subnet_table->subnet[i].source_prefix));
		fprintf(f,"\t\tFirst SID: %u\n",
				r.subnet_table->subnet[i].first_sid);
	}
	for (i = 1; i <= r.subnet_table->sid_count ; i++) {
		fprintf(f,"\tSID[%u]:\n",i);
		fprintf(f,"\t\tVFab ID: %u\n",r.sid_table[i].vfab_id);
		fprintf(f,"\t\tLower: 0x%016lx\n",
				hton64(r.sid_table[i].lower_sid));
		fprintf(f,"\t\tUpper: 0x%016lx\n",
				hton64(r.sid_table[i].upper_sid));
		fprintf(f,"\t\tNext: %u\n",
				r.sid_table[i].next);
	}

	fprintf(f,"\n\nPort Table:\n");
	fprintf(f,"\tSize: %u\n", r.port_table->size);
	fprintf(f,"\tCount: %u\n", r.port_table->count);
	for (i = 1; i <= r.port_table->count ; i++) {
		int j;
		fprintf(f,"\tPort[%u]: %s/%u\n", i, 
				r.port_table->port[i].hfi_name,
				r.port_table->port[i].port);
		fprintf(f,"\t\tSubnet ID: %u\n",
				r.port_table->port[i].subnet_id);
		fprintf(f,"\t\tPrefix: 0x%016lx\n",
				hton64(r.port_table->port[i].source_prefix));
		fprintf(f,"\t\tGuid: 0x%016lx\n",
				hton64(r.port_table->port[i].source_guid));
		fprintf(f,"\t\tBase Lid: 0x%04x\n",
				r.port_table->port[i].base_lid);
		fprintf(f,"\t\tLMC: 0x%04x\n",
				r.port_table->port[i].lmc);
		fprintf(f,"\t\tPkeys:\n");
		for (j=0; j<PKEY_TABLE_LENGTH && r.port_table->port[i].pkey[j]!=0; j++) 
			fprintf(f,"\t\t\t0x%04x\n", ntohs(r.port_table->port[i].pkey[j]));
	}

	fprintf(f,"\n\nVFab Table:\n");
	fprintf(f,"\tSize: %u\n", r.vfab_table->size);
	fprintf(f,"\tCount: %u\n", r.vfab_table->count);
	for (i = 1; i <= r.vfab_table->count ; i++) {
		int j;
		op_ppath_vfab_record_t *vf = &r.vfab_table->vfab[i];
		fprintf(f,"\tVFab[%u]: %s\n", i, 
				vf->vfab_name);
		fprintf(f,"\t\tPrefix: 0x%16lx\n",
				hton64(vf->source_prefix));
		fprintf(f,"\t\tPKey: 0x%04x\n",
				hton16(vf->pkey));
		fprintf(f,"\t\tService Level: 0x%04x\n",
				hton16(vf->sl));

		fprintf(f,"\n\t\tDLID Hash Table:\n");
		for (j=0;j<HASH_TABLE_SIZE; j++) {
			fprintf(f,"\t\t\tRecord[%u] = %u\n",
					j,vf->first_dlid[j]);
		}
		fprintf(f,"\n\t\tDGUID Hash Table:\n");
		for (j=0;j<HASH_TABLE_SIZE; j++) {
			fprintf(f,"\t\t\tRecord[%u] = %u\n",
					j,vf->first_dguid[j]);
		}
		
	}

	fprintf(f,"\n\nPath Table\n");
	fprintf(f,"\tSize: %u\n", r.path_table->size);
	fprintf(f,"\tCount: %u\n", r.path_table->count);
	for (i=1; i<= r.path_table->count; i++) {
		char s[128];
		sprintf(s,"Record[%u] (%s) Lid->%u, Guid->%u",i, 
				r.path_table->table[i].flags?"Used":"Unused",
				r.path_table->table[i].next_lid,  
				r.path_table->table[i].next_guid);
		fprint_path_record(f,s,(op_path_rec_t*)&(r.path_table->table[i].path));
	}

	op_ppath_close_reader(&r);
	return 0;
}

void Usage(int status)
{
	fprintf(stderr,  "Usage: opa_osd_dump (options)\n");
	fprintf(stderr,  "Print the current contents of the distributed SA shared memory database.\n");
	fprintf(stderr,  "Options are:\n");
	fprintf(stderr, "\t-v/--verbose\t<arg>\tLog Level. Corresponds to a Kernel log level,\n\t\t\t\ta number from 1 to 7\n");
	fprintf(stderr, "\t--help\t\t\tPrint this help text\n");
	fprintf(stderr, "\nExample:\topa_osd_dump > opasadb_contents\n");

	exit(status);
}


int main(int argc, char *argv[])
{
	int debug = _DBG_LVL_NOTICE;

	do {
		int c;

		static char *short_options = "v:";
		static struct option long_options[] = {
			{.name = "verbose",.has_arg = 1,.val = 'v'},
			{.name = "help", .has_arg = 0, .val = '$'},
			{0}
		};

		c = getopt_long(argc, argv, short_options, long_options, NULL);
		if (c == -1)
			break;

		switch (c) {
		case 'v':
			debug = strtol(optarg,NULL,0);
			break;
		case '$':
			Usage(0);//exits
			break;
		default: 
			Usage(2);//exits
			break;
		}
	} while(1);

	op_log_set_level(debug);

	dump(stdout);
	return 0;
}