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parse.c

/*
 * parse.c - parsing functions for X-Sys
 * by mike9010
 * Copyright (C) 2003, 2004, 2005 Michael Shoup
 * Copyright (C) 2005, 2006, 2007 Tony Vroon
 *
 * 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
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/utsname.h>
#include <unistd.h>
#include <time.h>
#include <dirent.h>
#include <sys/types.h>
#include <pci/header.h>

#include "pci.h"
#include "match.h"
#include "hwmon.h"
#include "xsys.h"

int xs_parse_cpu(char *model, char *vendor, double *freq, char *cache, unsigned int *count)
{
      char buffer[bsize], *pos;
      FILE *fp = fopen("/proc/cpuinfo", "r");
      pos = NULL;
      if(fp == NULL)
            return 1;
      if(count != NULL) *count = 0;
      strcpy(cache,"unknown\0");
      
      #if defined(__i386__) || defined(__x86_64__)
      while(fgets(buffer, bsize, fp) != NULL)
      {
            find_match_char(buffer, "model name", model);
            find_match_char(buffer, "vendor_id", vendor);
            find_match_double(buffer, "cpu MHz", freq);
            find_match_char(buffer, "cache size", cache);
            find_match_int(buffer, "processor", count);
      }
      *count = *count + 1;
      #endif
      #ifdef __powerpc__
      while(fgets(buffer, bsize, fp) != NULL)
      {
            find_match_char(buffer, "cpu", model);
            find_match_char(buffer, "machine", vendor);
            find_match_double(buffer, "clock", freq);
            find_match_char(buffer, "L2 cache", cache);
            find_match_int(buffer, "processor", count);
      }
      *count = *count + 1;
      pos = strstr(model, ",");
      if (pos != NULL) *pos = '\0';
      #endif
      #ifdef __alpha__
      while(fgets(buffer, bsize, fp) != NULL)
      {
            find_match_char(buffer, "cpu model", model);
            find_match_char(buffer, "system type", vendor);
            find_match_double(buffer, "cycle frequency [Hz]", freq);
            find_match_char(buffer, "L2 cache", cache);
            find_match_int(buffer, "cpus detected", count);
      }
      *freq = *freq / 1000000;
      #endif
      #ifdef __ia64__
      while(fgets(buffer, bsize, fp) != NULL)
      {
            find_match_char(buffer, "model", model);
            find_match_char(buffer, "vendor", vendor);
            find_match_double(buffer, "cpu MHz", freq);
            find_match_int(buffer, "processor", count);
      }
      *count = *count + 1;
      #endif
      #ifdef __parisc__
      while(fgets(buffer, bsize, fp) != NULL)
      {
            find_match_char(buffer, "cpu  ", model);
            find_match_char(buffer, "cpu family", vendor);
            find_match_char(buffer, "D-cache", cache);
            find_match_double(buffer, "cpu MHz", freq);
            find_match_int(buffer, "processor", count);
      }
      *count = *count + 1;
      #endif
      #ifdef __sparc__
      DIR *dir;
      struct dirent *entry;
      FILE *fp2;
      while(fgets(buffer, bsize, fp) != NULL)
      {
            find_match_char(buffer, "cpu  ", model);
            find_match_char(buffer, "type ", vendor);
            find_match_int(buffer, "ncpus active", count);
            find_match_double_hex(buffer, "Cpu0ClkTck", freq);
      }
      /* Cache is tricky, only implemented for sparc64 */
      if ((dir = opendir("/proc/openprom")) != NULL)
            while ((entry = readdir(dir)) != NULL)
                  if (strncmp(entry->d_name,"SUNW,UltraSPARC",15) == 0)
                  {
                        snprintf(buffer,bsize,"/proc/openprom/%s/ecache-size",entry->d_name);
                        fp2 = fopen(buffer, "r");
                        if (fp2 == NULL) break;
                        fscanf(fp2,"%16s",cache);
                        fclose(fp2);
                        sprintf(buffer,"0x%s",cache);
                        sprintf(cache,"%0.0f KB",strtod(buffer,NULL)/1024);
                  }
      *freq = *freq / 1000000;
      #endif
      fclose(fp);
      
      return 0;
}

int xs_parse_uptime(int *weeks, int *days, int *hours, int *minutes, int *seconds)
{
      char buffer[bsize];
      long long uptime = 0;
      FILE *fp = fopen("/proc/uptime", "r");
      if(fp == NULL)
            return 1;

      if(fgets(buffer, bsize, fp) != NULL)
            uptime = strtol(buffer, NULL, 0);
      
      *seconds = uptime%60;
      *minutes = (uptime/60)%60;
      *hours   = (uptime/3600)%24;
      *days    = (uptime/86400)%7;
      *weeks   = uptime/604800;
      
      fclose(fp);
      
      return 0;
}

int xs_parse_os(char *user, char *host, char *kernel)
{
      struct utsname osinfo;
      char hostn[bsize], *usern = getenv("USER");
      
      if(uname(&osinfo)<0)
            return 1;   
      if(gethostname(hostn, bsize)<0)
            return 1;
      
      strncpy(user, usern, bsize);
      strcpy(host, hostn);
      snprintf(kernel, bsize, "%s %s %s", osinfo.sysname, osinfo.release, osinfo.machine);
      
      return 0;
}

int xs_parse_sound(char *snd_card)
{
      char buffer[bsize], cards[bsize] = "\0", vendor[7] = "\0", device[7] = "\0", *pos;
      u16 class = PCI_CLASS_MULTIMEDIA_AUDIO;

      FILE *fp = NULL;
      if((fp = fopen("/proc/asound/cards", "r"))== NULL) {
            if (pci_find_by_class(&class, vendor, device) == 0) 
                  {
                        pci_find_fullname(snd_card, vendor, device);
                        return 0;
                  }
            else
                  return 1;
      }
      
      
      while(fgets(buffer, bsize, fp) != NULL)
      {
            if(isdigit(buffer[0]) || isdigit(buffer[1]))
            {
                  char card_buf[bsize];
                  long card_id = 0;
                  pos = strstr(buffer, ":");
                  card_id = strtoll(buffer, NULL, 0);
                  if (card_id == 0)
                        snprintf(card_buf, bsize, "%s", pos+2);
                  else
                        snprintf(card_buf, bsize, "%ld: %s", card_id, pos+2);
                  pos = strstr(card_buf, "\n");
                  *pos = '\0';
                  strcat(cards, card_buf);
            }
      }

      strcpy(snd_card, cards);
      
      fclose(fp);
      return 0;
}

int xs_parse_video(char *vid_card)
{
      char vendor[7] = "\0", device[7] = "\0";
      u16 class = PCI_CLASS_DISPLAY_VGA;
      if (pci_find_by_class(&class, vendor, device))
            return 1;
      else
            pci_find_fullname(vid_card, vendor, device);
      return 0;
}

int xs_parse_ether(char *ethernet_card)
{
      char vendor[7] = "\0", device[7] = "\0";
      u16 class = PCI_CLASS_NETWORK_ETHERNET;
      if (pci_find_by_class(&class, vendor, device))
            return 1;
      else
            pci_find_fullname(ethernet_card, vendor, device);
      return 0;
}

int xs_parse_agpbridge(char *agp_bridge)
{
      char vendor[7] = "\0", device[7] = "\0";
      u16 class = PCI_CLASS_BRIDGE_HOST;
      if (pci_find_by_class(&class, vendor, device))
            return 1;
      else
            pci_find_fullname(agp_bridge, vendor, device);
      return 0;
}

int xs_parse_netdev(const char *device, unsigned long long *bytes_recv, unsigned long long *bytes_sent)
{
      FILE *fp;
      char buffer[bsize], *pos;
      int i;
      
      fp=fopen("/proc/net/dev", "r");
      if(fp==NULL)
            return 1;
      
      while(fgets(buffer, bsize, fp) != NULL)
      {
            for(i=0; isspace(buffer[i]); i++);
            if(strncmp(device, &buffer[i], strlen(device)) == 0) break;
      }
      fclose(fp);
      pos = strstr(buffer, ":");
      pos++;
      *bytes_recv = strtoull(pos, &pos, 0);

      for(i=0;i<7;i++) strtoull(pos, &pos, 0);
      
      *bytes_sent = strtoull(pos, NULL, 0);

      return 0;
}

int xs_parse_df(const char *mount_point, char *result)
{
      FILE *pipe;
      char buffer[bsize], *pos;
      unsigned long long total_k=0, free_k=0;
      int i=0;
      
      pipe = popen("df -k -l -P", "r");
      if(pipe==NULL)
            return 1;
      
      while(fgets(buffer, bsize, pipe) != NULL)
      {
            /* Skip over pseudo-filesystems and description line */
            if(isalpha(buffer[0]))
                  continue;
            
            for(pos=buffer; !isspace(*pos); pos++);
            for(;isspace(*pos);pos++);
            if(mount_point == NULL)
            {
                  total_k += strtoull(pos, &pos, 0);
                  strtoull(pos, &pos, 0);
                  free_k += strtoull(pos, &pos, 0);
                  continue;
            }
            total_k = strtoull(pos, &pos, 0);
            strtoull(pos, &pos, 0);
            free_k = strtoull(pos, &pos, 0);
            strtoull(pos, &pos, 0);
            for(;isspace(*pos);pos++);
            for(;*pos!='/';pos++);
            for(i=0;*(buffer+i)!='\n';i++);
            *(buffer+i)='\0';
            
            if(strncasecmp(mount_point, "ALL", 3)==0)
            {
                  char *tmp_buf = pretty_freespace(pos, &free_k, &total_k);
                  strcat(tmp_buf, " | ");
                  strcat(result, tmp_buf);
                  free(tmp_buf);
            }
            else if(strncmp(mount_point, pos, strlen(mount_point)) == 0)
            {
                  char *tmp_buf = pretty_freespace(mount_point, &free_k, &total_k);
                  strncpy(result, tmp_buf, bsize);
                  free(tmp_buf);
                  break;
            }
            else snprintf(result, bsize, "Mount point %s not found!", mount_point);
      }
      
      if(mount_point != NULL && strncasecmp(mount_point, "ALL", 3)==0)
            *(result+strlen(result)-3) = '\0';
      
      if(mount_point == NULL)
      {
            char *tmp_buf = pretty_freespace("Total", &free_k, &total_k);
            strncpy(result, tmp_buf, bsize);
            free(tmp_buf);
      }
      pclose(pipe);
      return 0;
}

int xs_parse_meminfo(unsigned long long *mem_tot, unsigned long long *mem_free, int swap)
{
      FILE *fp;
        char buffer[bsize];
      unsigned long long freemem = 0, buffers = 0, cache = 0;
        *mem_tot = 0;
        *mem_free = 0;

        if((fp = fopen("/proc/meminfo", "r")) == NULL)
                return 1;

        while(fgets(buffer, bsize, fp) != NULL)
        {
                if(!swap)
                {
                  find_match_ll(buffer, "MemTotal:", mem_tot);
                  find_match_ll(buffer, "MemFree:", &freemem);
                  find_match_ll(buffer, "Buffers:", &buffers);
                  find_match_ll(buffer, "Cached:", &cache);
                }
                else
                {
                  find_match_ll(buffer, "SwapTotal:", mem_tot);
                  find_match_ll(buffer, "SwapFree:", mem_free);
                }
        }
      if (!swap) {
            *mem_free = freemem + buffers + cache;
      }
        fclose(fp);
        return 0;
}

int xs_parse_distro(char *name)
{
      FILE *fp = NULL;
      char buffer[bsize], *pos = NULL;
      
      if((fp = fopen("/etc/lsb_release", "r")) != NULL)
      {
            char id[bsize], codename[bsize], release[bsize];
            strcpy(id, "?");
            strcpy(codename, "?");
            strcpy(release, "?");
            while(fgets(buffer, bsize, fp) != NULL)
            {
                  find_match_char(buffer, "DISTRIB_ID", id);
                  find_match_char(buffer, "DISTRIB_CODENAME", codename);
                  find_match_char(buffer, "DISTRIB_RELEASE", release);
            }
            snprintf(buffer, bsize, "%s \"%s\" %s", id, codename, release);
      }
      else if((fp = fopen("/etc/make.conf", "r")) != NULL)
      {
            char keywords[bsize];
            while(fgets(buffer, bsize, fp) != NULL)
                  find_match_char(buffer, "ACCEPT_KEYWORDS", keywords);
            if (strstr(keywords, "\"") == NULL)
                  snprintf(buffer, bsize, "Gentoo Linux (stable)");
            else
                  snprintf(buffer, bsize, "Gentoo Linux %s", keywords);
      }           
      else if((fp = fopen("/etc/redhat-release", "r")) != NULL)
            fgets(buffer, bsize, fp);
      else if((fp = fopen("/etc/slackware-version", "r")) != NULL)
            fgets(buffer, bsize, fp);
      else if((fp = fopen("/etc/mandrake-release", "r")) != NULL)
            fgets(buffer, bsize, fp);
      else if((fp = fopen("/etc/debian_version", "r")) != NULL)
      {
            char release[bsize];
            fgets(release, bsize, fp);
            snprintf(buffer, bsize, "Debian %s", release);
      }
      else if((fp = fopen("/etc/SuSE-release", "r")) != NULL)
            fgets(buffer, bsize, fp);
      else if((fp = fopen("/etc/turbolinux-release", "r")) != NULL)
            fgets(buffer, bsize, fp);
      else
            snprintf(buffer, bsize, "Unknown Distro");
      if(fp != NULL) fclose(fp);
      
      pos=strchr(buffer, '\n');
      if(pos != NULL) *pos = '\0';
      strcpy(name, buffer);
      return 0;
}

int xs_parse_hwmon_chip(char *chip)
{
      if (!hwmon_chip_present())
            return 1;
      else
            get_hwmon_chip_name(chip);
      return 0;
}

int xs_parse_hwmon_temp(char *temp, unsigned int *sensor)
{
      unsigned int *value;
      float celsius;
        value = malloc(sizeof(int));

      if (!hwmon_chip_present())
            return 1;
      else
            get_hwmon_temp(value, sensor);
            celsius = (float)*value;
            snprintf(temp, bsize, "%.1fC", celsius/1000.0);
            free(value);
      return 0;
}

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