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  1. /*    Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis
  2.  *
  3.  *  This program is free software; you can redistribute it and/or modify
  4.  *  it under the terms of the GNU General Public License as published by
  5.  *  the Free Software Foundation; either version 2 of the License, or
  6.  *  (at your option) any later version.
  7.  *
  8.  *  This program is distributed in the hope that it will be useful,
  9.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11.  *  GNU General Public License for more details.
  12.  *
  13.  *  You should have received a copy of the GNU General Public License
  14.  *  along with this program; if not, write to the Free Software
  15.  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  16.  */
  17.  
  18. /* This is an internal program,
  19.  * used to show statistics of frequentation, module by module.
  20. */
  21.  
  22. #include "../Lib/libwims.h"
  23.  
  24. #define MAX_EXO        64
  25. #define MAX_SHEET      64
  26. #define MAX_EXAM       32
  27. #define MAX_SCORE      512*1024
  28.  
  29. typedef struct {
  30.     short int dure,score;
  31.     long int next;
  32. } scoredata;
  33. scoredata scores[MAX_SCORE];
  34. int sccnt=0;
  35.  
  36. typedef struct {
  37.     int newcnt,scorecnt,lasttime,firstscore,lastscore;
  38.     char lastnew[12];
  39. } exodata;
  40. exodata shdata[MAX_SHEET*MAX_EXO],examdata[MAX_EXAM*MAX_EXO];
  41.  
  42. /* cid: combined index of difficulty */
  43. double scsum, scavg, scdeviat, scmin, scmax, cid;
  44. double dursum, duravg, durdeviat, durmin, durmax;
  45. double best[10];
  46. int filecnt=0, fcind;
  47. char *dirbase, *sdata, user[256];
  48.  
  49. int str2time(char *p)
  50. {
  51.     int sec,min,hr;
  52.     sec=atoi(p+15); p[14]=0;
  53.     min=atoi(p+12); p[11]=0;
  54.     hr=atoi(p+9);
  55.     if(sec<0 || min<0 || hr<0 || sec>59 || min>59 || hr>23) return -1;
  56.     return hr*3600+min*60+sec;
  57. }
  58.  
  59. void oneline(char *p, char *typ)
  60. {
  61.     int i, sh, ex, t;
  62.     char *data[64];
  63.     exodata *tab;
  64.     char *pp, *pe;
  65.     for(i=0, pp=find_word_start(p); i<9  && *pp; pp=find_word_start(pe),i++) {
  66.       pe=find_word_end(pp); if(*pe) *pe++=0;
  67.       data[i]=pp;
  68.     }
  69.     if(i<6) return;
  70.     sh=atoi(data[2]); ex=atoi(data[3]);
  71.     if(sh<=0 || ex<=0 || ex>MAX_EXO || strlen(data[1])>10) return;
  72.     if(data[0][0]=='E') {
  73.       tab=examdata; data[0]++; if(sh>MAX_EXAM) return;
  74.     }
  75.     else {
  76.       tab=shdata; if(sh>MAX_SHEET) return;
  77.     }
  78.     tab+=(sh-1)*MAX_EXO+(ex-1);
  79.     t=str2time(data[0]); if(t==-1) return;
  80.     if(strstr(data[4],"new")!=NULL) {
  81.       if(strcmp(typ,"score")==0 &&
  82.         ((i > 6 && strcmp(data[6],"noscore")==0) || (i > 7 && strcmp(data[7],"noscore")==0)
  83.             || (i > 8 && strcmp(data[8],"noscore")==0))){ return; }
  84.       if(strcmp(typ,"noscore")==0 &&
  85.         (i < 7 || ( i>7 && strcmp(data[7],typ)!=0)
  86.             || (i > 8 && strcmp(data[8], typ)!=0)
  87.         )) { return; }
  88.       snprintf(tab->lastnew,12,"%s",data[1]);
  89.       tab->newcnt++; tab->lasttime=t;
  90.       fcind++;
  91.       return;
  92.     }
  93.     if(strcmp(data[4],"score")==0) {
  94.       if(strcmp(tab->lastnew,data[1])!=0) return;
  95.       if(sccnt>=MAX_SCORE) return;
  96.       if(tab->lasttime==-1) return;
  97.       if(strcmp(typ,"score")==0 && (
  98.          (i > 7 && strcmp(data[7],"noscore")==0)
  99.             || (i > 8 && strcmp(data[8],"noscore")==0))
  100.         ) { return; }
  101.       if(strcmp(typ,"noscore")==0 && (
  102.         ( i < 7 || ( i > 7 && strcmp(data[7],"noscore")!=0)
  103.             || (i > 8 && strcmp(data[8], typ)!=0))
  104.              )){ return; }
  105.       t-=tab->lasttime; tab->lasttime=-1; if(t<0) t+=24*3600;
  106.       if(t<0) t=0; if(t>5*3600) t=5*3600;
  107.       scores[sccnt].dure=t; scores[sccnt].next=-1;
  108.       scores[sccnt].score=(double) atof(data[5])*100+0.5;
  109.       if(tab->scorecnt>0) scores[tab->lastscore].next=sccnt;
  110.       else tab->firstscore=sccnt;
  111.       tab->lastscore=sccnt; sccnt++; tab->scorecnt++;
  112.     }
  113. }
  114.  
  115. void onefile(char *fname, char *typ)
  116. {
  117.     FILE *f;
  118.     char *buf, *pp, *pe;
  119.     long int l;
  120.     f=fopen(fname,"r"); if(f==NULL) return;
  121.     fseek(f,0,SEEK_END); l=ftell(f); fseek(f,0,SEEK_SET);
  122.     if(l<=0) {fclose(f); return;}
  123.     buf=xmalloc(l+16); (void)fread(buf,1,l,f); fclose(f); buf[l]=0;
  124.     fcind=0;
  125.     for(pp=buf; pp; pp=pe) {
  126.       pe=strchr(pp,'\n'); if(pe!=NULL) *pe++=0;
  127.       oneline(pp,typ);
  128.     }
  129.     free(buf);
  130.     if(fcind>0) filecnt++;
  131. }
  132.  
  133. void onedir_ (char buf[MAX_LINELEN+1], char *typ)
  134. {
  135.   char buf2[MAX_LINELEN+1];
  136.   DIR *dir;
  137.   struct dirent *ff;
  138.   dir=opendir(buf); if(dir==NULL) return;
  139.       while((ff=readdir(dir))!=NULL) {
  140.           if(!isalnum(ff->d_name[0]) ||
  141.              strcmp(ff->d_name,"supervisor")==0) continue;
  142.           snprintf(buf2,sizeof(buf2),"%s/%s",buf,ff->d_name);
  143.           onefile(buf2,typ);
  144.       }
  145.       closedir(dir);
  146. }
  147.  
  148. void onedir(char *dirname)
  149. {
  150.     char buf[MAX_LINELEN+1];
  151.     char *t1, *t2, types[256];
  152.     snprintf(types,sizeof(types),"%s",sdata);
  153.     for(t1=find_word_start(types); *t1; t1=find_word_start(t2)) {
  154.       t2=find_word_end(t1); if(*t2) *t2++=0;
  155.       snprintf(buf,sizeof(buf),"%s/%s/score",dirbase,dirname);
  156.       onedir_(buf,t1);
  157.       snprintf(buf,sizeof(buf),"%s/%s/noscore",dirbase,dirname);
  158.       onedir_(buf,t1);
  159.     }
  160. }
  161.  
  162. void oneuser(char *dirname, char fname[64])
  163. {
  164.     char buf[MAX_LINELEN+1], buf2[MAX_LINELEN+1];
  165.     char *t1, *t2, types[256];
  166.     snprintf(types,sizeof(types),"%s",sdata);
  167.     for(t1=find_word_start(types); *t1; t1=find_word_start(t2)) {
  168.       t2=find_word_end(t1); if(*t2) *t2++=0;
  169.       snprintf(buf,sizeof(buf),"%s/%s/score/%s",dirbase,dirname,fname);
  170.       onefile(buf,t1);
  171.       snprintf(buf2,sizeof(buf),"%s/%s/noscore/%s",dirbase,dirname,fname);
  172.       onefile(buf2,t1);
  173.     }
  174. }
  175.  
  176. void multiuser(char *dirname, char *user)
  177. {
  178.    char buf[MAX_LINELEN+1];
  179.    char *u1, *u2;
  180.    snprintf(buf,sizeof(buf),"%s",user);
  181.    for(u1=find_word_start(buf); *u1; u1=find_word_start(u2)) {
  182.       u2=find_word_end(u1); if(*u2) *u2++=0;
  183.       oneuser(dirname, u1);
  184.   }
  185. }
  186.  
  187. void stati(exodata *dat)
  188. {
  189.     int i,j;
  190.     double s,d;
  191.  
  192.     scsum=scavg=scdeviat=dursum=duravg=durdeviat=cid=0;
  193.     scmin=10; scmax=0; durmin=24*3600; durmax=0;
  194.     {int k; for(k=0; k<10; k++) best[k]=0 ;}
  195.     for(i=0,j=dat->firstscore; i<dat->scorecnt; i++) {
  196.       s=(double) scores[j].score/100; d=(double) scores[j].dure/60;
  197.       scsum+=s; dursum+=d;
  198.       if(scmin>s) scmin=s; if(scmax<s) scmax=s;
  199.       if(durmin>d) durmin=d; if(durmax<d) durmax=d;
  200.       {
  201.        int k, l = 0;
  202.        for (k = 0; k < 10; k++) if (best[k] < best[l]) l = k;
  203.        if (best[l] < s) best[l] = s;
  204.       }
  205.       j=scores[j].next;
  206.     }
  207.     if(i<=0) {scmin=durmin=0; return;}
  208.     scavg=scsum/i; duravg=dursum/i;
  209.     if(scsum>1) cid=min(4*sqrt(dursum*dat->newcnt)/scsum,99);
  210.     else cid=0;
  211.     if(i>=2) {
  212.       for(i=0,j=dat->firstscore; i<dat->scorecnt; i++) {
  213.           s=(double) scores[j].score/100; d=(double) scores[j].dure/60;
  214.           scdeviat+=(s-scavg)*(s-scavg); durdeviat+=(d-duravg)*(d-duravg);
  215.           j=scores[j].next;
  216.       }
  217.       scdeviat=sqrt(scdeviat/i); durdeviat=sqrt(durdeviat/i);
  218.     }
  219. }
  220.  
  221. /* Output line format:
  222.  * type sh exo newcnt scorecnt scsum dursum scavg duravg scmin durmin scmax durmax scdeviat durdeviat cid
  223.  */
  224.  
  225. void  outsheetexo (int i, int flag)
  226. {
  227.   if(shdata[i].newcnt<=0) return;
  228.   stati(shdata+i);
  229.   switch(flag) {
  230.      case 0: printf(":S %2d %2d %4d %4d \
  231. %4.0f %4.0f %5.2f %5.2f \
  232. %5.2f %4.1f %5.2f %5.1f \
  233. %5.2f %5.2f %4.1f\n",
  234.              i/MAX_EXO+1,i%MAX_EXO+1,
  235.              shdata[i].newcnt, shdata[i].scorecnt,
  236.              scsum, dursum,
  237.              scavg, duravg,
  238.              scmin,durmin,scmax,durmax,
  239.              scdeviat, durdeviat,
  240.              cid); break;
  241.      case 1: printf("%d_%d=%d,%d,\
  242. %.0f,%.0f,%.2f,%.2f,\
  243. %.2f,%.1f,%.2f,%.1f,\
  244. %.2f,%.2f,%.1f;",
  245.              i/MAX_EXO+1,i%MAX_EXO+1,
  246.              shdata[i].newcnt, shdata[i].scorecnt,
  247.              scsum, dursum,
  248.              scavg, duravg,
  249.              scmin,durmin,scmax,durmax,
  250.              scdeviat, durdeviat,
  251.              cid);
  252.             int k; for (k=0; k<10; k++) printf("%.2f,", best[k]);
  253.             printf("\n");
  254.             break;
  255.    }
  256. }
  257.  
  258. void outexamexo (int i)
  259. {
  260.    if(examdata[i].newcnt<=0) return;
  261.       stati(examdata+i);
  262.       printf(":E %2d %2d %4d %4d \
  263. %4.0f %4.0f %5.2f %5.2f \
  264. %5.2f %4.1f %5.2f %5.1f \
  265. %5.2f %5.2f %4.1f\n",
  266.              i/MAX_EXO+1,i%MAX_EXO+1,
  267.              examdata[i].newcnt, examdata[i].scorecnt,
  268.              scsum, dursum,
  269.              scavg, duravg,
  270.              scmin,durmin,scmax,durmax,
  271.              scdeviat, durdeviat,
  272.              cid);
  273. }
  274.  
  275. void output(void)
  276. {
  277.     int i;
  278.     for(i=0;i<MAX_SHEET*MAX_EXO;i++) { outsheetexo(i, 0);}
  279.     for(i=0;i<MAX_EXAM*MAX_EXO;i++) { outexamexo(i);}
  280. }
  281.  
  282. int main()
  283. {
  284.     char cla[MAX_LINELEN+1], user[256];
  285.     char *c1, *c2;
  286.     char *cdata, *udata, *sh;
  287.  
  288.     memset(shdata,0,sizeof(shdata)); memset(examdata,0,sizeof(examdata));
  289.     dirbase=getenv("exostat_dirbase");
  290.     if(dirbase==NULL || *dirbase==0) dirbase="../log/classes";
  291.     sdata=getenv("exostat_types");
  292.     if(sdata==NULL || *sdata==0) sdata="score noscore";
  293.     cdata=getenv("exostat_classes");
  294.     if(cdata==NULL || *cdata==0) cdata=getenv("w_wims_class");
  295.     if(cdata==NULL || *cdata==0) return -1;
  296.     snprintf(cla,sizeof(cla),"%s",cdata);
  297.     udata=getenv("exostat_user");
  298.     if(udata==NULL || *udata==0) {
  299.      for(c1=cla; *c1; c1++) if(!isalnum(*c1) && *c1!='/') *c1=' ';
  300.      for(c1=find_word_start(cla); *c1; c1=find_word_start(c2)) {
  301.        c2=find_word_end(c1); if(*c2) *c2++=0;
  302.        onedir(c1);
  303.       }
  304.        output();
  305.     } else {
  306.       snprintf(user,sizeof(user),"%s",udata);
  307.       multiuser(cla, user);
  308.       sh=getenv("exostat_sheet");
  309.       if( sh==NULL || *sh==0 ) { output(); }
  310.       else {
  311.          int s=atoi(sh);
  312.          s=(s-1)*MAX_EXO;
  313.          int i;
  314.          for(i=s;i < s + MAX_EXO;i++) {
  315.          outsheetexo(i, 1);
  316.          }
  317.        };
  318.     }
  319.     return 0;
  320. }
  321.