/*
 * Copyright (c) 2008, 2009 Apple Inc.  All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */

#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <libutil.h>
#include "libtop.h"
#include "memstats.h"
#include "generic.h"
#include "uinteger.h"
#include "preferences.h"

#define NA(buf) do {	       	   \
	memcpy(buf, "N/A", 4); 	   \
    } while(0)

/*rsize*/
static bool rsize_insert_cell(struct statistic *s, const void *sample) {
    const libtop_psamp_t *psamp = sample;
    char buf[7];
    
    if(top_prefs_get_mmr()) {
	if(top_uinteger_format_mem_result(buf, sizeof(buf),
					  psamp->rsize, psamp->p_rsize, 
					  /*There is no b_rsize*/ 0ULL)) {
	    return true;
	}
    } else {
	NA(buf);
    }
    
    return generic_insert_cell(s, buf);
}

static struct statistic_callbacks rsize_callbacks = {
    .draw = generic_draw,
    .resize_cells = generic_resize_cells,
    .move_cells = generic_move_cells,
    .get_request_size = generic_get_request_size,
    .get_minimum_size = generic_get_minimum_size,
    .insert_cell = rsize_insert_cell,
    .reset_insertion = generic_reset_insertion
};

struct statistic *top_rsize_create(WINDOW *parent, const char *name) {
    return create_statistic(STATISTIC_RSIZE, parent, NULL, &rsize_callbacks,
			    name);
}

/*vsize*/
static bool vsize_insert_cell(struct statistic *s, const void *sample) {
    const libtop_psamp_t *psamp = sample;
    char buf[7];
    
    if(top_prefs_get_mmr()) {
	if(top_uinteger_format_mem_result(buf, sizeof(buf),
					  psamp->vsize, psamp->p_vsize, 0ULL)) {
	    return true;
	}
    } else {
	NA(buf);
    }
    
    return generic_insert_cell(s, buf);
}

static struct statistic_callbacks vsize_callbacks = {
    .draw = generic_draw,
    .resize_cells = generic_resize_cells,
    .move_cells = generic_move_cells,
    .get_request_size = generic_get_request_size,
    .get_minimum_size = generic_get_minimum_size,
    .insert_cell = vsize_insert_cell,
    .reset_insertion = generic_reset_insertion
};

struct statistic *top_vsize_create(WINDOW *parent, const char *name) {
    return create_statistic(STATISTIC_VSIZE, parent, NULL, &vsize_callbacks,
                            name);
}


/*rprvt*/
static bool rprvt_insert_cell(struct statistic *s, const void *sample) {
    const libtop_psamp_t *psamp = sample;
    char buf[7];

    if(top_prefs_get_mmr()) {
	if(top_uinteger_format_mem_result(buf, sizeof(buf),
					  psamp->rprvt, psamp->p_rprvt, 0ULL)) {
	    return true;
	}
    } else {
	NA(buf);
    }

    return generic_insert_cell(s, buf);
}

static struct statistic_callbacks rprvt_callbacks = {
    .draw = generic_draw,
    .resize_cells = generic_resize_cells,
    .move_cells = generic_move_cells,
    .get_request_size = generic_get_request_size,
    .get_minimum_size = generic_get_minimum_size,
    .insert_cell = rprvt_insert_cell,
    .reset_insertion = generic_reset_insertion
};

struct statistic *top_rprvt_create(WINDOW *parent, const char *name) {
    return create_statistic(STATISTIC_RPRVT, parent, NULL, &rprvt_callbacks,
			    name);
}

/*vprvt*/
static bool vprvt_insert_cell(struct statistic *s, const void *sample) {
    const libtop_psamp_t *psamp = sample;
    char buf[7];

    if(top_prefs_get_mmr()) {
	if(top_uinteger_format_mem_result(buf, sizeof(buf),
					  psamp->vprvt, psamp->p_vprvt, 0ULL)) {
	    return true;
	}
    } else {
	NA(buf);
    }
        
    return generic_insert_cell(s, buf);
}

static struct statistic_callbacks vprvt_callbacks = {
    .draw = generic_draw,
    .resize_cells = generic_resize_cells,
    .move_cells = generic_move_cells,
    .get_request_size = generic_get_request_size,
    .get_minimum_size = generic_get_minimum_size,
    .insert_cell = vprvt_insert_cell,
    .reset_insertion = generic_reset_insertion
};

struct statistic *top_vprvt_create(WINDOW *parent, const char *name) {
    return create_statistic(STATISTIC_VPRVT, parent, NULL, &vprvt_callbacks,
                            name);
}

/*rshrd*/
static bool rshrd_insert_cell(struct statistic *s, const void *sample) {
    const libtop_psamp_t *psamp = sample;
    char buf[7];
     
    if(top_prefs_get_mmr()) {
	if(top_uinteger_format_mem_result(buf, sizeof(buf),
					  psamp->rshrd, psamp->p_rshrd, 0ULL)) {
	    return true;
	}
    } else {
	NA(buf);
    }

    return generic_insert_cell(s, buf);
}

static struct statistic_callbacks rshrd_callbacks = {
    .draw = generic_draw,
    .resize_cells = generic_resize_cells,
    .move_cells = generic_move_cells,
    .get_request_size = generic_get_request_size,
    .get_minimum_size = generic_get_minimum_size,
    .insert_cell = rshrd_insert_cell,
    .reset_insertion = generic_reset_insertion
};

struct statistic *top_rshrd_create(WINDOW *parent, const char *name) {
    return create_statistic(STATISTIC_RSHRD, parent, NULL, &rshrd_callbacks,
			    name);
}


/*reg/mregions*/
static bool mregion_insert_cell(struct statistic *s, const void *sample) {
    const libtop_psamp_t *psamp = sample;
    char buf[GENERIC_INT_SIZE];

    if(top_prefs_get_mmr()) {
	if(top_uinteger_format_result(buf, sizeof(buf),
				      psamp->reg, psamp->p_reg, 0ULL)) {
	    return true;
	}
    } else {
	NA(buf);
    }
    
    return generic_insert_cell(s, buf);
}

static struct statistic_callbacks mregion_callbacks = {
    .draw = generic_draw,
    .resize_cells = generic_resize_cells,
    .move_cells = generic_move_cells,
    .get_request_size = generic_get_request_size,
    .get_minimum_size = generic_get_minimum_size,
    .insert_cell = mregion_insert_cell,
    .reset_insertion = generic_reset_insertion
};

struct statistic *top_mregion_create(WINDOW *parent, const char *name) {
    return create_statistic(STATISTIC_MREGION, parent, NULL, &mregion_callbacks,
			    name);
}


static bool pageins_insert_cell(struct statistic *s, const void *sample) {
    const libtop_psamp_t *psamp = sample;
    char buf[GENERIC_INT_SIZE];

    if(top_uinteger_format_result(buf, sizeof(buf),
				  psamp->pageins.now,
				  psamp->pageins.previous,
				  psamp->pageins.began)) {
	return true;
    }
    
    return generic_insert_cell(s, buf);
}

static struct statistic_callbacks pageins_callbacks = {
    .draw = generic_draw,
    .resize_cells = generic_resize_cells,
    .move_cells = generic_move_cells,
    .get_request_size = generic_get_request_size,
    .get_minimum_size = generic_get_minimum_size,
    .insert_cell = pageins_insert_cell,
    .reset_insertion = generic_reset_insertion
};

struct statistic *top_pageins_create(WINDOW *parent, const char *name) {
    return create_statistic(STATISTIC_PAGEINS, parent, NULL, &pageins_callbacks,
			    name);
}


/*kprvt*/
static bool kprvt_insert_cell(struct statistic *s, const void *sample) {
    const libtop_psamp_t *psamp = sample;
    char buf[7];

    if(top_prefs_get_mmr()) {
	if(top_uinteger_format_mem_result(buf, sizeof(buf),
		  psamp->palloc - psamp->pfree,
		  psamp->p_palloc - psamp->p_pfree,
		  0ULL)) {
	    return true;
	}
    } else {
	NA(buf);
    }
        
    return generic_insert_cell(s, buf);
}

static struct statistic_callbacks kprvt_callbacks = {
    .draw = generic_draw,
    .resize_cells = generic_resize_cells,
    .move_cells = generic_move_cells,
    .get_request_size = generic_get_request_size,
    .get_minimum_size = generic_get_minimum_size,
    .insert_cell = kprvt_insert_cell,
    .reset_insertion = generic_reset_insertion
};

struct statistic *top_kprvt_create(WINDOW *parent, const char *name) {
    return create_statistic(STATISTIC_KPRVT, parent, NULL, &kprvt_callbacks,
                            name);
}

/*kshrd*/
static bool kshrd_insert_cell(struct statistic *s, const void *sample) {
    const libtop_psamp_t *psamp = sample;
    char buf[7];

    if(top_prefs_get_mmr()) {
	if(top_uinteger_format_mem_result(buf, sizeof(buf),
		  psamp->salloc - psamp->sfree,
		  psamp->p_salloc - psamp->p_sfree,
		  0ULL)) {
	    return true;
	}
    } else {
	NA(buf);
    }
        
    return generic_insert_cell(s, buf);
}

static struct statistic_callbacks kshrd_callbacks = {
    .draw = generic_draw,
    .resize_cells = generic_resize_cells,
    .move_cells = generic_move_cells,
    .get_request_size = generic_get_request_size,
    .get_minimum_size = generic_get_minimum_size,
    .insert_cell = kshrd_insert_cell,
    .reset_insertion = generic_reset_insertion
};

struct statistic *top_kshrd_create(WINDOW *parent, const char *name) {
    return create_statistic(STATISTIC_KSHRD, parent, NULL, &kshrd_callbacks,
                            name);
}