source/idar/idar.c

/*
 * i-scream central monitoring system
 * http://www.i-scream.org.uk
 * Copyright (C) 2000-2002 i-scream
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <stdlib.h>
#include <ukcprog.h>
#include <netinet/in.h>
#include <netdb.h>
#include <sys/termios.h>
#include <signal.h>
#include <errno.h>

#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include "genmergesort.h"

#ifdef HAVE_NCURSES_H
#include <ncurses.h>
#else
#include <curses.h>
#endif

struct host_line_t{
        char *hostname;
        int line;

        struct host_line_t *next;
};
typedef struct host_line_t host_line_list_t;

struct diskio_data_t{
        char *name;

        long long read;
        long long write;
        
        struct diskio_data_t *next;
};
typedef struct diskio_data_t diskio_data_list_t;

struct network_data_t{
        char *name;

        long long rx;
        long long tx;
        
        struct network_data_t *next;
};
typedef struct network_data_t network_data_list_t;

/*
struct disk_data_t{
        char *name;
        char *mount_pnt;

        long long total_space;
        long long total_used;
        long long total_avail;
        // Other data we are less intrested in are not stored
        
        struct disk_data_t *next;
};
typedef struct disk_data_t disk_data_list_t;
*/
#define MAXHOSTNAMESIZE 10
struct machine_data_t{

        char *name;

        char sysname[MAXHOSTNAMESIZE+1];

        double cpu_user;
        double cpu_idle;
        double cpu_iowait;
        double cpu_kernel;
        double cpu_swap; 
        double cpu_used; /* 100 - idle */

        long long memory_total;
        long long memory_free;
        long long memory_used;
        double memory_used_pecent;
        
        long long swap_total;
        long long swap_free;
        long long swap_used;
        double swap_used_pecent;

        int pages_in;
        int pages_out;

        double load_1;
        double load_5;
        double load_15;

        int processes_total;
        int processes_sleeping;
        int processes_cpu;
        int processes_zombie;
        int processes_stopped;

        network_data_list_t *network_data_list;
        long long network_io_total_tx;
        long long network_io_total_rx;
        long long network_io_total;

        diskio_data_list_t *diskio_data_list;
        long long disk_io_total_write;
        long long disk_io_total_read;
        long long disk_io_total;

        /* Maybe in the future */
        /*
        disk_data_list_t disk_data_list;
        double disk_total_used;
        */

        struct machine_data_t *next;
};

typedef struct machine_data_t machine_data_list_t;

#define SORTBYMAXNAME 128
typedef struct{
        int maxx;
        int maxy;

        char units;

        int cpu_user;
        int cpu_idle;
        int cpu_iowait;
        int cpu_kernel;
        int cpu_swap;
        int cpu_used; 

        int memory_total;
        int memory_free;
        int memory_used;
        int memory_used_pecent;

        int swap_total;
        int swap_free;
        int swap_used;
        int swap_used_pecent;

        int load_1;
        int load_5;
        int load_15;

        int pages_in;
        int pages_out;

        int processes;

        int network_io_total_tx;
        int network_io_total_rx;
        int network_all_stats;

        int disk_io_total_write;
        int disk_io_total_read;
        int disk_io_all_stats;

        int disk_total_used;
        int disk_all_stats; 

        char sortby[SORTBYMAXNAME];
}display_config_t;

GENERIC_MERGE_SORT(static, sort_machine_stats, machine_data_list_t, next)

#define MKCMP(x) int cmp_##x(machine_data_list_t *a, machine_data_list_t *b){return ((a->x) == (b->x)? 0 : (((a->x) > (b->x))? -1 : 1));}


int (*sortby_ptr)(machine_data_list_t *a, machine_data_list_t *b);

MKCMP(cpu_used)
MKCMP(load_1)
MKCMP(network_io_total)
MKCMP(network_io_total_tx)
MKCMP(network_io_total_rx)
MKCMP(disk_io_total)
MKCMP(disk_io_total_write)
MKCMP(disk_io_total_read)
MKCMP(memory_used_pecent)
MKCMP(swap_used_pecent)

#define CPU_USED "CPU used"
#define LOAD "Load (1)"
#define NETIORX "total Network RX for all interfaces"
#define NETIOTX "total Network TX for all interfaces"
#define NETIO "total Network IO for all interfaces (rx+tx)"
#define MEM "Memory usage"
#define SWAP "Swap usage"
#define DISKIOR "DiskIO reads"
#define DISKIOW "DiskIO writes"
#define DISKIO "Total DiskIO (reads+writes)"

int sig_winch=0;

#ifndef HAVE_ATOLL
long long int atoll (const char *nptr){
  return strtoll (nptr, (char **) NULL, 10);
}
#endif

#ifndef HAVE_STRLCPY
/*
 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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.
 */

/*
 * Copy src to string dst of size siz.  At most siz-1 characters
 * will be copied.  Always NUL terminates (unless siz == 0).
 * Returns strlen(src); if retval >= siz, truncation occurred.
 */
size_t
strlcpy(dst, src, siz)
        char *dst;
        const char *src;
        size_t siz;
{
        register char *d = dst;
        register const char *s = src;
        register size_t n = siz;

        /* Copy as many bytes as will fit */
        if (n != 0 && --n != 0) {
                do {
                        if ((*d++ = *s++) == 0)
                                break;
                } while (--n != 0);
        }

        /* Not enough room in dst, add NUL and traverse rest of src */
        if (n == 0) {
                if (siz != 0)
                        *d = '\0';              /* NUL-terminate dst */
                while (*s++)
                        ;
        }

        return(s - src - 1);    /* count does not include NUL */
}

#endif

        
FILE *create_tcp_connection(char *hostname, int port){
        int sock;
        struct sockaddr_in addr;
        struct in_addr haddr;
        FILE *f;

        if((sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP))<0){
                return NULL;
        }

        if((get_host_addr(hostname, &haddr))!=0){
                close(sock);
                return NULL;
        }

        memset(&addr, 0, sizeof(addr));
        addr.sin_family = AF_INET;
        memcpy(&addr.sin_addr, &haddr, sizeof(haddr));
        addr.sin_port = htons(port);

        if(connect(sock, (struct sockaddr *)&addr, sizeof(addr)) !=0){
                close(sock);
                return NULL;
        }

        if((f=fdopen(sock, "r+"))==NULL){
                close(sock);
                return NULL;
        }

        return f;
}

int tcp_comm(FILE *f, char *send, char **response, char *expected){

        if(send!=NULL){
                fprintf(f, "%s\n", send);
        }
        fflush(f);
        *response=fpgetline(f);
        fseek(f, 0, SEEK_CUR);

        if( (*response==NULL) || (strcmp(*response, "ERROR")==0) ) return -1;

        if(expected==NULL) return 0;

        if((strcmp(expected, *response))==0) return 0;

        return -1;
}

/* Takes a xml char * and a machine_data_list_t. This will parse
 * the xml and put it into the correct entry of the machine_data
 * linked list. This will return the number of entries in the linked
 * list, or -1 on a error.
 */
int parse_xml(char *xml, machine_data_list_t **md){
        xmlDocPtr doc;
        xmlNodePtr cur;
        xmlNodePtr ele;
        xmlAttr *list;

        static int num_hosts=0;

        machine_data_list_t *machine_data_list=*md;

        int found_host=0;

        char *hostname=NULL;
        network_data_list_t *network_data_list=NULL;
        network_data_list_t *ndl_ptr=NULL;
        diskio_data_list_t *diskio_data_list=NULL;
        diskio_data_list_t *didl_ptr=NULL;
        char *tmp;

        doc=xmlParseDoc(xml);
        if(doc==NULL) return -1;
        
        cur = xmlDocGetRootElement(doc);
        if(cur==NULL){
                xmlFreeDoc(doc);
                return -1;
        }

                
        /* Get the hostname */
        list=cur->properties;
        while(list!=NULL){
                if((xmlStrcmp(list->name, (const xmlChar *) "machine_name"))==0){
                        hostname = xmlNodeGetContent(list->children);
                        if(hostname==NULL){
                                return -1;
                        }       
                }
                list=list->next;
        }
        if(hostname==NULL){
                return -1;
        }

        /* Get machine_data for host.. Or create if it doesn't have one */
        while(machine_data_list!=NULL){
                if((strncmp(machine_data_list->name, hostname, strlen(hostname)))==0){
                        found_host=1;
                        break;
                }
                machine_data_list=machine_data_list->next;
        }

        if(!found_host){
                /* We didn't find this host, but we should be at the end of the list */
                machine_data_list=malloc(sizeof(machine_data_list_t));
                if(machine_data_list==NULL) return -1;
                machine_data_list->next=(*md);
                machine_data_list->name=hostname;
                machine_data_list->network_data_list=NULL;
                machine_data_list->diskio_data_list=NULL;
                *md=machine_data_list;
                num_hosts++;
        }
                
        /* Now we want to pull out the data */

        cur = cur->xmlChildrenNode;
        while(cur != NULL) {
                ele=cur->xmlChildrenNode;
                while(ele != NULL){

                        /* CPU Stats */
                        if(!xmlStrcmp(cur->name, (const xmlChar *) "cpu")){
                                tmp=xmlNodeGetContent(ele);
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "user")){
                                        machine_data_list->cpu_user=atof(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "kernel")){
                                        machine_data_list->cpu_kernel=atof(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "idle")){
                                        machine_data_list->cpu_idle=atof(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "iowait")){
                                        machine_data_list->cpu_iowait=atof(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "swap")){
                                        machine_data_list->cpu_iowait=atof(tmp);
                                }
                                
                                if(tmp!=NULL) xmlFree(tmp);
                        }

                        /* Memory Stats */
                        if(!xmlStrcmp(cur->name, (const xmlChar *) "memory")){
                                tmp=xmlNodeGetContent(ele);
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "total")){
                                        machine_data_list->memory_total=atoll(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "free")){
                                        machine_data_list->memory_free=atoll(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "used")){
                                        machine_data_list->memory_used=atoll(tmp);
                                }

                                if(tmp!=NULL) xmlFree(tmp);
                        }

                        /* Load Stats */
                        if(!xmlStrcmp(cur->name, (const xmlChar *) "load")){
                                tmp=xmlNodeGetContent(ele);
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "load1")){
                                        machine_data_list->load_1=atof(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "load5")){
                                        machine_data_list->load_5=atof(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "load15")){
                                        machine_data_list->load_15=atof(tmp);
                                }
                        
                                if(tmp!=NULL) xmlFree(tmp);
                        }

                        /* swap stats */
                        if(!xmlStrcmp(cur->name, (const xmlChar *) "swap")){
                                tmp=xmlNodeGetContent(ele);
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "total")){
                                        machine_data_list->swap_total=atoll(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "free")){
                                        machine_data_list->swap_free=atoll(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "used")){
                                        machine_data_list->swap_used=atoll(tmp);
                                }

                                if(tmp!=NULL) xmlFree(tmp);
                        }

                        /* Process stat */
                        if(!xmlStrcmp(cur->name, (const xmlChar *) "processes")){
                                tmp=xmlNodeGetContent(ele);
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "sleeping")){
                                        machine_data_list->processes_sleeping=atoi(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "cpu")){
                                        machine_data_list->processes_cpu=atoi(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "zombie")){
                                        machine_data_list->processes_zombie=atoi(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "total")){
                                        machine_data_list->processes_total=atoi(tmp);
                                }

                                if(tmp!=NULL) xmlFree(tmp);
                        }

                        /* paging stats */
                        if(!xmlStrcmp(cur->name, (const xmlChar *) "pages")){
                                tmp=xmlNodeGetContent(ele);
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "pageins")){
                                        machine_data_list->pages_in=atoi(tmp);
                                }
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "pageouts")){
                                        machine_data_list->pages_out=atoi(tmp);
                                }
                        
                                if(tmp!=NULL) xmlFree(tmp);
                        }
                        
                        /* OS stats */
                        if(!xmlStrcmp(cur->name, (const xmlChar *) "os")){
                                tmp=xmlNodeGetContent(ele);
                                if(!xmlStrcmp(ele->name, (const xmlChar *) "sysname")){
                                        strlcpy(machine_data_list->sysname, tmp, MAXHOSTNAMESIZE+1);
                                }
                                if(tmp!=NULL) xmlFree(tmp);
                        }

                        /* Network stats */
                        /* Needs to connect current stat to a previous one. Or create it if new */
                        /* Get name.. Walk list. If match, copy rx/tx values. Else malloc, add to list */
                        if(!xmlStrcmp(cur->name, (const xmlChar *) "net")){

                                list=ele->properties;
                                if(list==NULL) continue;
                                network_data_list=malloc(sizeof(network_data_list_t));
                                if(network_data_list==NULL) return -1;
                                while(list!=NULL){
                                        tmp=xmlNodeGetContent(list->children);
                                        if(!xmlStrcmp(list->name, (const xmlChar *) "name")){
                                                network_data_list->name=strdup(tmp);    
                                        }
                                        if(!xmlStrcmp(list->name, (const xmlChar *) "rx")){
                                                network_data_list->rx=atoll(tmp);
                                        }
                                        if(!xmlStrcmp(list->name, (const xmlChar *) "tx")){
                                                network_data_list->tx=atoll(tmp);
                                        }
        
                                        xmlFree(tmp);
                                        list=list->next;
                                }
                                if(network_data_list->name==NULL) continue;
                                found_host=0;
                                ndl_ptr=machine_data_list->network_data_list;
                                while(ndl_ptr!=NULL){
                                        if(!strcmp(ndl_ptr->name, network_data_list->name)){
                                                found_host=1;
                                                break;
                                        }
                                        ndl_ptr=ndl_ptr->next;  
                                }       
                                if(found_host){
                                        ndl_ptr->rx=network_data_list->rx;
                                        ndl_ptr->tx=network_data_list->tx;
                                        free(network_data_list->name);
                                        free(network_data_list);
                                }else{
                                        network_data_list->next=machine_data_list->network_data_list;
                                        machine_data_list->network_data_list=network_data_list;
                                }
                        }       

                        /* Disk IO stats */
                        if(!xmlStrcmp(cur->name, (const xmlChar *) "diskio")){
                        
                                list=ele->properties;
                                if(list==NULL) continue;
                                diskio_data_list=malloc(sizeof(diskio_data_list_t));
                                if(diskio_data_list==NULL) return -1;
                                while(list!=NULL){
                                        tmp=xmlNodeGetContent(list->children);
                                        if(!xmlStrcmp(list->name, (const xmlChar *) "name")){
                                                diskio_data_list->name=strdup(tmp);
                                        }
                                        if(!xmlStrcmp(list->name, (const xmlChar *) "rbytes")){
                                                diskio_data_list->read=atoll(tmp);
                                        }
                                        if(!xmlStrcmp(list->name, (const xmlChar *) "wbytes")){
                                                diskio_data_list->write=atoll(tmp);
                                        }

                                        xmlFree(tmp);
                                        list=list->next;
                                }
                                if(diskio_data_list->name==NULL) continue;
                                found_host=0;
                                didl_ptr=machine_data_list->diskio_data_list;
                                while(didl_ptr!=NULL){
                                        if(!strcmp(didl_ptr->name, diskio_data_list->name)){
                                                found_host=1;
                                                break;
                                        }
                                        didl_ptr=didl_ptr->next;
                                }
                                if(found_host){
                                        didl_ptr->read=diskio_data_list->read;
                                        didl_ptr->write=diskio_data_list->write;
                                        free(diskio_data_list->name);
                                        free(diskio_data_list);
                                }else{
                                        diskio_data_list->next=machine_data_list->diskio_data_list;
                                        machine_data_list->diskio_data_list=diskio_data_list;
                                }
                        }

                
                        ele=ele->next;
                }
                cur=cur->next;
        }

        /* Append data we want thats not stored in the server */
        machine_data_list->cpu_used=100.00-machine_data_list->cpu_idle;
        machine_data_list->memory_used_pecent=((double)machine_data_list->memory_used / (double)machine_data_list->memory_total) * 100.00;
        machine_data_list->swap_used_pecent=((double)machine_data_list->swap_used / (double)machine_data_list->swap_total) * 100.00;

        ndl_ptr=machine_data_list->network_data_list;
        machine_data_list->network_io_total_tx=0;
        machine_data_list->network_io_total_rx=0;
        while(ndl_ptr!=NULL){
                machine_data_list->network_io_total_tx+=ndl_ptr->tx;
                machine_data_list->network_io_total_rx+=ndl_ptr->rx;
                ndl_ptr=ndl_ptr->next;
        }
        machine_data_list->network_io_total=machine_data_list->network_io_total_rx+machine_data_list->network_io_total_tx;

        didl_ptr=machine_data_list->diskio_data_list;
        machine_data_list->disk_io_total_read=0;
        machine_data_list->disk_io_total_write=0;
        while(didl_ptr!=NULL){
                machine_data_list->disk_io_total_read+=didl_ptr->read;
                machine_data_list->disk_io_total_write+=didl_ptr->write;
                didl_ptr=didl_ptr->next;
        }
        machine_data_list->disk_io_total=machine_data_list->disk_io_total_read+machine_data_list->disk_io_total_write;

        xmlFreeDoc(doc);
        
        return num_hosts;
        
        
}

void display(machine_data_list_t *machine_data_list, display_config_t *display_config, int *title){
        int line_num=4;
        int counter;
        int x=1;

        if(*title){
                clear();
                move (display_config->maxy-3, 1);
                printw("Sorting by %-64s", display_config->sortby);
                move (display_config->maxy-2, 1);
                if(display_config->units == 'b'){
                        printw("Units are measured in bytes/sec");
                }
                if(display_config->units == 'k'){
                        printw("Units are measured in kilobytes/sec");
                }
                if(display_config->units == 'm'){
                        printw("Units are measured in megabytes/sec");
                }

                move(1,1);
                printw("%-11s", "Hostname");
                x=x+11+1;
                if(display_config->cpu_used && (display_config->maxx > x+6)){
                        move(1,x);
                        printw("%5s", "CPU");
                        move(2,x);
                        printw("%5s", "used%");
                        x+=6;
                }
                if(display_config->load_1 && (display_config->maxx > x+6)){
                        move(1,x);
                        printw("%5s", "Load");
                        move(2,x);
                        printw("%5s", "(1m)");
                        x+=6;
                }

                if(display_config->pages_in && (display_config->maxx > x+6)){
                        move(1,x);
                        printw("%5s", "Page");
                        move(2,x);
                        printw("%5s", "ins");
                        x+=6;
                }

                if(display_config->pages_out && (display_config->maxx > x+6)){
                        move(1,x);
                        printw("%5s", "Page");
                        move(2,x);
                        printw("%5s", "outs");
                        x+=6;
                }

                if(display_config->memory_used_pecent && (display_config->maxx > x+6)){
                        move(1,x);
                        printw("%5s", "Mem");
                        move(2,x);
                        printw("%5s", "used");
                        x+=6;
                }

                if(display_config->swap_used_pecent  && (display_config->maxx > x+6)){
                        move(1,x);
                        printw("%5s", "Swap");
                        move(2,x);
                        printw("%5s", "used");
                        x+=6;
                }

                if(display_config->network_io_total_rx){ 
                        if(display_config->units=='b' && (display_config->maxx > x+9)){
                                move(1,x);
                                printw("%8s", "Net");
                                move(2,x);
                                printw("%8s", "rx");
                                x+=9;
                        }

                        if(display_config->units=='k' && (display_config->maxx > x+6)){
                                move(1,x);
                                printw("%5s", "Net");
                                move(2,x);
                                printw("%5s", "rx");
                                x+=6;
                        }

                        if(display_config->units=='m' && (display_config->maxx > x+6)){
                                move(1,x);
                                printw("%5s", "Net");
                                move(2,x);
                                printw("%5s", "rx");
                                x+=6;
                        }

                }

                if(display_config->network_io_total_tx){
                        if(display_config->units=='b' && (display_config->maxx > x+9)){
                                move(1,x);
                                printw("%8s", "Net");
                                move(2,x);
                                printw("%8s", "tx");
                                x+=9;
                        }

                        if(display_config->units=='k' && (display_config->maxx > x+6)){
                                move(1,x);
                                printw("%5s", "Net");
                                move(2,x);
                                printw("%5s", "tx");
                                x+=6;
                        }

                        if(display_config->units=='m' && (display_config->maxx > x+6)){
                                move(1,x);
                                printw("%5s", "Net");
                                move(2,x);
                                printw("%5s", "tx");
                                x+=6;
                        }

                }

                if(display_config->disk_io_total_read){
                        if(display_config->units=='b' && (display_config->maxx > x+10)){
                                move(1,x);
                                printw("%9s", "Disk");
                                move(2,x);
                                printw("%9s", "read");
                                x+=10;
                        }

                        if(display_config->units=='k' && (display_config->maxx > x+7)){
                                move(1,x);
                                printw("%6s", "Disk");
                                move(2,x);
                                printw("%6s", "read");
                                x+=7;
                        }

                        if(display_config->units=='m' && (display_config->maxx > x+7)){
                                move(1,x);
                                printw("%6s", "Disk");
                                move(2,x);
                                printw("%6s", "read");
                                x+=7;
                        }

                }

                if(display_config->disk_io_total_read){
                        if(display_config->units=='b' && (display_config->maxx > x+10)){
                                move(1,x);
                                printw("%9s", "Disk");
                                move(2,x);
                                printw("%9s", "write");
                                x+=10;
                        }

                        if(display_config->units=='k' && (display_config->maxx > x+7)){
                                move(1,x);
                                printw("%6s", "Disk");
                                move(2,x);
                                printw("%6s", "write");
                                x+=7;
                        }

                        if(display_config->units=='m' && (display_config->maxx > x+7)){
                                move(1,x);
                                printw("%6s", "Disk");
                                move(2,x);
                                printw("%6s", "write");
                                x+=7;
                        }

                }

                if(display_config->processes && (display_config->maxx > x+25)){
                        move(1,x);
                        printw("%-24s", "   Number of Process");
                        move(2,x);
                        printw("%-24s", " Run Slep Zomb Stop  Tot");
                        x+=25;
                }

                *title=0;
        }

        /* Counter starts at 8, for padding (eg, headers, borders etc) */
        for(counter=8;counter<display_config->maxy;counter++){  
                if(machine_data_list==NULL) break;
                move(line_num++, 1);
                printw("%-11s", machine_data_list->sysname);
                x=13;

                if(display_config->cpu_used && (display_config->maxx > x+6)){
                        printw(" %5.1f", machine_data_list->cpu_used);
                        x+=6;
                }
                if(display_config->load_1 && (display_config->maxx > x+6)){
                        printw(" %5.1f", machine_data_list->load_1);
                        x+=6;
                }
                if(display_config->pages_in && (display_config->maxx > x+6)){
                        printw(" %5d", machine_data_list->pages_in);
                        x+=6;
                }
                if(display_config->pages_out && (display_config->maxx > x+6)){
                        printw(" %5d", machine_data_list->pages_out);
                        x+=6;
                }
                if(display_config->memory_used_pecent && (display_config->maxx > x+6)){
                        printw(" %5.1f", machine_data_list->memory_used_pecent);
                        x+=6;
                }
                if(display_config->swap_used_pecent && (display_config->maxx > x+6)){
                        printw(" %5.1f", machine_data_list->swap_used_pecent);
                        x+=6;
                }

                if(display_config->network_io_total_rx){
                        if(display_config->units=='b' && (display_config->maxx > x+9)){
                                printw(" %8lld", machine_data_list->network_io_total_rx);
                                x+=9;
                        }
                        if(display_config->units=='k' && (display_config->maxx > x+6)){
                                printw(" %5lld", machine_data_list->network_io_total_rx/1024);
                                x+=6;
                        }
                        if(display_config->units=='m' && (display_config->maxx > x+6)){
                                printw(" %5.2f", (double)(machine_data_list->network_io_total_rx/(1024.00*1024.00)));
                                x+=6;
                        }
                }

                if(display_config->network_io_total_tx){
                        if(display_config->units=='b' && (display_config->maxx > x+9)){
                                printw(" %8lld", machine_data_list->network_io_total_tx);
                                x+=9;
                        }
                        if(display_config->units=='k' && (display_config->maxx > x+6)){
                                printw(" %5lld", machine_data_list->network_io_total_tx/1024);
                                x+=6;
                        }
                        if(display_config->units=='m' && (display_config->maxx > x+6)){
                                printw(" %5.2f", (double)(machine_data_list->network_io_total_tx/(1024.00*1024.00)));
                                x+=6;
                        }
                }

                if(display_config->disk_io_total_read){
                        if(display_config->units=='b' && (display_config->maxx > x+10)){
                                printw(" %9lld", machine_data_list->disk_io_total_read);
                                x+=10;
                        }
                        if(display_config->units=='k' && (display_config->maxx > x+7)){
                                printw(" %6lld", machine_data_list->disk_io_total_read/1024);
                                x+=7;
                        }
                        if(display_config->units=='m' && (display_config->maxx > x+7)){
                                printw(" %6.2f", (double)(machine_data_list->disk_io_total_read/(1024.00*1024.00)));
                                x+=7;
                        }
                }

                if(display_config->disk_io_total_write){
                        if(display_config->units=='b' && (display_config->maxx > x+10)){
                                printw(" %9lld", machine_data_list->disk_io_total_write);
                                x+=10;
                        }
                        if(display_config->units=='k' && (display_config->maxx > x+7)){
                                printw(" %6lld", machine_data_list->disk_io_total_write/1024);
                                x+=7;
                        }
                        if(display_config->units=='m' && (display_config->maxx > x+7)){
                                printw(" %6.2f", (double)(machine_data_list->disk_io_total_write/(1024.00*1024.00)));
                                x+=7;
                        }
                }
                if(display_config->processes && display_config->maxx > x+25){
                        printw(" %4d %4d %4d %4d %4d", machine_data_list->processes_cpu, \
                                machine_data_list->processes_sleeping, \
                                machine_data_list->processes_zombie, \
                                machine_data_list->processes_stopped, \
                                machine_data_list->processes_total);
                        x+=25;
                }

                machine_data_list=machine_data_list->next;
        }


        refresh();
        
}

void sig_winch_handler(int sig){

        sig_winch=1;    
        signal(SIGWINCH, sig_winch_handler);
}

int main(int argc, char **argv){
        WINDOW *window;
        fd_set infds;
        struct winsize size;

        FILE *control;
        FILE *data;

        char *machine_list=NULL;
        char *response=NULL;

        char *servername;
        int server_control_port;
        int server_data_port;

        machine_data_list_t *machine_data_list=NULL;

        int num_hosts;
        int title=1;

        int cmdopt;
        extern int optind;
        extern char *optarg;

        extern int errno;
        
        display_config_t display_config;
        char ch;

        int data_fileno, stdin_fileno, biggest_fileno;

        sortby_ptr=NULL;

        /* What to display defaults */
        display_config.units='b';
        
        display_config.cpu_user=0;
        display_config.cpu_idle=0;
        display_config.cpu_iowait=0;
        display_config.cpu_kernel=0;
        display_config.cpu_swap=0;
        display_config.cpu_used=1; 

        display_config.memory_total=0;
        display_config.memory_free=0;
        display_config.memory_used=0;
        display_config.memory_used_pecent=1;

        display_config.swap_total=0;
        display_config.swap_free=0;
        display_config.swap_used=0;
        display_config.swap_used_pecent=1;

        display_config.load_1=1;
        display_config.load_5=0;
        display_config.load_15=0;

        display_config.pages_in=1;
        display_config.pages_out=1;

        display_config.processes=1;

        display_config.network_io_total_tx=1;
        display_config.network_io_total_rx=1;
        display_config.network_all_stats=0;

        display_config.disk_io_total_write=1;
        display_config.disk_io_total_read=1;
        display_config.disk_io_all_stats=0;

        display_config.disk_total_used=0;
        display_config.disk_all_stats=0;

        signal(SIGWINCH, sig_winch_handler); 

        while((cmdopt=getopt(argc, argv, "s:"))  != -1){
                switch(cmdopt){
                        case 's':
                                if(!strcmp(optarg, "cpu")){
                                        sortby_ptr=cmp_cpu_used;
                                        strlcpy(display_config.sortby, CPU_USED, SORTBYMAXNAME);
                                }
                                if(!strcmp(optarg, "load")){
                                        sortby_ptr=cmp_load_1;
                                        strlcpy(display_config.sortby, LOAD, SORTBYMAXNAME);
                                }
                                if(!strcmp(optarg, "mem")){
                                        sortby_ptr=cmp_memory_used_pecent;
                                        strlcpy(display_config.sortby, MEM, SORTBYMAXNAME);
                                }
                                if(!strcmp(optarg, "swap")){
                                        sortby_ptr=cmp_swap_used_pecent;
                                        strlcpy(display_config.sortby, SWAP, SORTBYMAXNAME);
                                }
                                if(sortby_ptr==NULL){
                                        errf("Invalid sort type");
                                        exit(1);
                                }
                        break;
                }
        }       

        if(sortby_ptr==NULL){
                sortby_ptr=cmp_cpu_used;
                strlcpy(display_config.sortby, "CPU Used", SORTBYMAXNAME);
        }

        if(argc<(optind+2)){
                printf("Usage is %s <-d lines> hostname port <machine list>\n", argv[0]);
                exit(1);
        }

        servername=argv[optind];
        server_control_port=atoi(argv[optind+1]);

        control=create_tcp_connection(servername, server_control_port);
        if(control==NULL){
                errf("Failed to connect (%m)");
                exit(1);
        }

        if(argc==4){
                /* We've been passed a machine list */
                /* list currently needs to be ; seperated */
                machine_list=strdup(argv[3]);
        }       
        
        if((tcp_comm(control, NULL, &response, "PROTOCOL 1.1"))!=0){
                errf("Incorrect version number (%s)", response);
                exit(1);
        }

        if((tcp_comm(control, "stattop", &response, "OK"))!=0){
                errf("Unexpected response %s", response);
                exit(1);
        }

        if(machine_list!=NULL){
                if((tcp_comm(control, "SETHOSTLIST",  &response, "OK"))!=0){
                        errf("Unexpected response %s", response);
                        exit(1);
                }
                if((tcp_comm(control, machine_list, &response, "OK"))!=0){
                        errf("Unexpected response %s", response);
                        exit(1);
                }
        }

        if((tcp_comm(control, "STARTDATA", &response, NULL))!=0){
                errf("Unexpected response %s", response);
                exit(1);
        }
        
        server_data_port=atoi(response);
        if(server_data_port==0){
                errf("Unexpected response %s", response);
                exit(1);
        }

        data=create_tcp_connection(servername, server_data_port);
        if(data==NULL){
                errf("Failed to connect to host %s on port %d (%m)",servername, server_data_port);
                exit(1);
        }

        initscr();
        nonl();
        cbreak();
        noecho();
        window=newwin(0, 0, 0, 0);
        getmaxyx(window, display_config.maxy, display_config.maxx);

        stdin_fileno=fileno(stdin);
        data_fileno=fileno(data);
        biggest_fileno=(data_fileno>stdin_fileno) ? (data_fileno+1) : (stdin_fileno+1);
                
        for(;;){
                FD_ZERO(&infds);
                FD_SET(stdin_fileno, &infds);
                FD_SET(data_fileno, &infds);
                if((select(biggest_fileno, &infds, NULL, NULL, NULL))==-1){
                        if(errno!=EINTR){
                                errf("select failed with (%m)");
                                exit(1);
                        }
                }

                if(sig_winch){
                        if (ioctl(fileno(stdout), TIOCGWINSZ, &size) == 0) {
                                resizeterm(size.ws_row, size.ws_col);
                                wrefresh(curscr);
                        }
                        getmaxyx(window, display_config.maxy, display_config.maxx);
                        title=1;
                        display(machine_data_list, &display_config, &title);
                        refresh();
                        sig_winch=0;
                        continue;
                }
                
                if(FD_ISSET(stdin_fileno, &infds)){
                
                        ch=getch();
                        switch(ch){
                                case KEY_RESIZE:
                                        sig_winch=1;
                                        break;                                          

                                /* Quit */
                                case 'Q':
                                case 'q':
                                        endwin();
                                        exit(0);
                                        break;
                                /* Units */
                                case 'U':
                                case 'u':
                                        if(display_config.units == 'b'){
                                                display_config.units = 'k';
                                        }else if(display_config.units == 'k'){
                                                display_config.units = 'm';
                                        }else{
                                                display_config.units = 'b';
                                        }
                                        break;

                                /* Sort by */
                                case 'C':
                                        sortby_ptr=cmp_cpu_used;
                                        strlcpy(display_config.sortby, CPU_USED, SORTBYMAXNAME);
                                        break;
                        
                                case 'M':
                                        sortby_ptr=cmp_memory_used_pecent;
                                        strlcpy(display_config.sortby, MEM, SORTBYMAXNAME);     
                                        break;

                                case 'L':
                                        sortby_ptr=cmp_load_1;
                                        strlcpy(display_config.sortby, LOAD, SORTBYMAXNAME);
                                        break;                  

                                case 'S':
                                        sortby_ptr=cmp_swap_used_pecent;
                                        strlcpy(display_config.sortby, SWAP, SORTBYMAXNAME);
                                        break;
                                
                                case 'N':
                                        if(sortby_ptr==cmp_network_io_total){
                                                strlcpy(display_config.sortby, NETIORX, SORTBYMAXNAME);
                                                sortby_ptr=cmp_network_io_total_rx;
                                        }else if(sortby_ptr==cmp_network_io_total_rx){
                                                strlcpy(display_config.sortby, NETIOTX, SORTBYMAXNAME);
                                                sortby_ptr=cmp_network_io_total_tx;
                                        }else{
                                                strlcpy(display_config.sortby, NETIO, SORTBYMAXNAME);
                                                sortby_ptr=cmp_network_io_total;
                                        }
                                        break;
                                case 'D':
                                        if(sortby_ptr==cmp_disk_io_total){
                                                strlcpy(display_config.sortby, DISKIOR, SORTBYMAXNAME);
                                                sortby_ptr=cmp_disk_io_total_read;
                                        }else if(sortby_ptr==cmp_disk_io_total_read){
                                                strlcpy(display_config.sortby, DISKIOW, SORTBYMAXNAME);
                                                sortby_ptr=cmp_disk_io_total_write;
                                        }else{
                                                strlcpy(display_config.sortby, DISKIO, SORTBYMAXNAME);
                                                sortby_ptr=cmp_disk_io_total;
                                        }
                                        break;

                                /* Display */
                        
                                case 'd':
                                        if(display_config.disk_io_total_read){
                                                display_config.disk_io_total_read=0;
                                                display_config.disk_io_total_write=0;
                                        }else{
                                                display_config.disk_io_total_read=1;
                                                display_config.disk_io_total_write=1;
                                        }
                                        break;  
                                case 'n':
                                        if(display_config.network_io_total_rx){
                                                display_config.network_io_total_rx=0;
                                                display_config.network_io_total_tx=0;
                                        }else{
                                                display_config.network_io_total_rx=1;
                                                display_config.network_io_total_tx=1;
                                        }
                                        break;
                                case 'm':
                                        if(display_config.memory_used_pecent){
                                                display_config.memory_used_pecent=0;
                                        }else{
                                                display_config.memory_used_pecent=1;
                                        }
                                        break;
                                
                                case 's':
                                        if(display_config.swap_used_pecent){
                                                display_config.swap_used_pecent=0;
                                        }else{
                                                display_config.swap_used_pecent=1;
                                        }
                                        break;
                                case 'l':
                                        if(display_config.load_1){
                                                display_config.load_1=0;
                                        }else{
                                                display_config.load_1=1;
                                        }
                                        break;
                                case 'p':
                                        if(display_config.pages_in){
                                                display_config.pages_in=0;
                                                display_config.pages_out=0;
                                        }else{
                                                display_config.pages_in=1;
                                                display_config.pages_out=1;
                                        }
                                        break;
                                case 'c':
                                        if(display_config.cpu_used){
                                                display_config.cpu_used=0;
                                        }else{
                                                display_config.cpu_used=1;
                                        }
                                        break;
                                case 'r':
                                        if(display_config.processes){
                                                display_config.processes=0;
                                        }else{
                                                display_config.processes=1;
                                        }
                                        break;

                                default:
                                        continue;
                        }

                        /* Increment title so it becomes true (and making the screen update */  
                        title++;
                        
                }
                if(FD_ISSET(data_fileno, &infds)){
                        response=fpgetline(data);
                        if (response==NULL){
                                errf("Failed to read data (%m)");
                                exit(1);
                        }
                }


                num_hosts=parse_xml(response, &machine_data_list);
                if(num_hosts==-1) continue;
                machine_data_list=sort_machine_stats(machine_data_list, num_hosts, sortby_ptr);
                display(machine_data_list, &display_config, &title);

        }
        exit(0);
}
Revision:	1.15
Committed:	Thu Apr 10 12:31:19 2003 UTC (21 years, 1 month ago) by pajs
Content type:	text/plain
Branch:	MAIN
CVS Tags:	IDAR_1_1
Changes since 1.14:	+100 -73 lines
Log Message:	Proper resize support by catching SIGWINCH. Done some tiding. Added the ability to do process stats (r). Changed the megabytes units to have 2d.p. so it would show more than units of 100k/sec.