Subversion Repositories wimsdev

/*    Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis

 *

 *  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., 675 Mass Ave, Cambridge, MA 02139, USA.

 */

/* This is an internal program,

 * used to show statistics of frequentation, module by module.

*/

#include "../Lib/libwims.h"

#include "../wimsdef.h"

#define MAX_SCORE      512*1024

typedef struct {

    short int dure,score;

    long int next;

} statscoredata;

statscoredata scores[MAX_SCORE];

int sccnt=0;

typedef struct {

    int newcnt,scorecnt,lasttime,firstscore,lastscore;

    char lastnew[12];

} statexodata;

statexodata shdata[MAX_SHEETS*MAX_EXOS],examdata[MAX_EXAMS*MAX_EXOS];

/* cid: combined index of difficulty */

double scsum, scavg, scdeviat, scmin, scmax, cid;

double dursum, duravg, durdeviat, durmin, durmax;

double best[10];

int filecnt=0, fcind;

char *dirbase, *sdata, user[256];

int str2time(char *p)

{

  int sec,min,hr;

  sec=atoi(p+15); p[14]=0;

  min=atoi(p+12); p[11]=0;

  hr=atoi(p+9);

  if(sec<0 || min<0 || hr<0 || sec>59 || min>59 || hr>23) return -1;

  return hr*3600+min*60+sec;

}

static

void oneline(char *p, char *typ)

{

  int i, j, sh, ex, t;

  char *data[64];

  statexodata *tab;

  char *pp, *pe;

  for(i=0, pp=find_word_start(p); i<9  && *pp; pp=find_word_start(pe),i++) {

    pe=find_word_end(pp); if(*pe) *pe++=0;

    data[i]=pp;

  }

  if(i<6) return;

  sh=atoi(data[2]); ex=atoi(data[3]);

  if(sh<=0 || ex<=0 || ex>MAX_EXOS || strlen(data[1])>10) return;

  if(data[0][0]=='E') {

    tab=examdata; data[0]++; if(sh>MAX_EXAMS) return;

  }

  else {

    tab=shdata; if(sh>MAX_SHEETS) return;

  }

  tab+=(sh-1)*MAX_EXOS+(ex-1);

  t=str2time(data[0]); if(t==-1) return;

  if(strstr(data[4],"new")!=NULL) {

    if(strcmp(typ,"score")==0)

            for (j = 6; j < i; ++j) if (strcmp(data[j],"noscore")==0) return;

    if(strcmp(typ,"noscore")==0)

            for (j = 7; j < i; ++j) if (strcmp(data[j],"noscore")==0) return;

    snprintf(tab->lastnew,12,"%s",data[1]);

    tab->newcnt++; tab->lasttime=t;

    fcind++;

    return;

  }

  if(strcmp(data[4],"score")==0) {

    if(strcmp(tab->lastnew,data[1])!=0) return;

    if(sccnt>=MAX_SCORE) return;

    if(tab->lasttime==-1) return;

    if(strcmp(typ,"score")==0 || strcmp(typ,"noscore")==0)

            for (j = 7; j < i; ++j)

              if (strcmp(data[j],"noscore")==0) return;

    t-=tab->lasttime; tab->lasttime=-1; if(t<0) t+=24*3600;

    if(t<0) t=0;

    if(t>5*3600) t=5*3600;

    scores[sccnt].dure=t; scores[sccnt].next=-1;

    scores[sccnt].score=(double) atof(data[5])*100+0.5;

    if(tab->scorecnt>0) scores[tab->lastscore].next=sccnt;

    else tab->firstscore=sccnt;

    tab->lastscore=sccnt; sccnt++; tab->scorecnt++;

  }

}

void onefile(char *fname, char *typ)

{

  FILE *f;

  char *buf, *pp, *pe;

  long int l;

  f=fopen(fname,"r"); if(f==NULL) return;

  fseek(f,0,SEEK_END); l=ftell(f); fseek(f,0,SEEK_SET);

  if(l<=0) {fclose(f); return;}

  buf=xmalloc(l+16); (void)fread(buf,1,l,f); fclose(f); buf[l]=0;

  fcind=0;

  for(pp=buf; pp; pp=pe) {

    pe=strchr(pp,'\n'); if(pe!=NULL) *pe++=0;

    oneline(pp,typ);

  }

  free(buf);

  if(fcind>0) filecnt++;

}

void onedir_ (char buf[MAX_LINELEN+1], char *typ)

{

  char buf2[MAX_LINELEN+1];

  DIR *dir;

  struct dirent *ff;

  dir=opendir(buf); if(dir==NULL) return;

  while((ff=readdir(dir))!=NULL) {

    if(!isalnum(ff->d_name[0]) || strcmp(ff->d_name,"supervisor")==0) continue;

    snprintf(buf2,sizeof(buf2),"%s/%s",buf,ff->d_name);

    onefile(buf2,typ);

  }

  closedir(dir);

}

void onedir(char *dirname)

{

  char buf[MAX_LINELEN+1];

  char *t1, *t2, types[256];

  snprintf(types,sizeof(types),"%s",sdata);

  for(t1=find_word_start(types); *t1; t1=find_word_start(t2)) {

    t2=find_word_end(t1); if(*t2) *t2++=0;

    snprintf(buf,sizeof(buf),"%s/%s/score",dirbase,dirname);

    onedir_(buf,t1);

    snprintf(buf,sizeof(buf),"%s/%s/noscore",dirbase,dirname);

    onedir_(buf,t1);

  }

}

void oneuser(char *dirname, char fname[64])

{

  char buf[MAX_LINELEN+1], buf2[MAX_LINELEN+1];

  char *t1, *t2, types[256];

  snprintf(types,sizeof(types),"%s",sdata);

  for(t1=find_word_start(types); *t1; t1=find_word_start(t2)) {

    t2=find_word_end(t1); if(*t2) *t2++=0;

    snprintf(buf,sizeof(buf),"%s/%s/score/%s",dirbase,dirname,fname);

    onefile(buf,t1);

    snprintf(buf2,sizeof(buf),"%s/%s/noscore/%s",dirbase,dirname,fname);

    onefile(buf2,t1);

  }

}

void multiuser(char *dirname, char *user)

{

  char buf[MAX_LINELEN+1];

  char *u1, *u2;

  snprintf(buf,sizeof(buf),"%s",user);

  for(u1=find_word_start(buf); *u1; u1=find_word_start(u2)) {

    u2=find_word_end(u1); if(*u2) *u2++=0;

    oneuser(dirname, u1);

  }

}

void stati(statexodata *dat)

{

  int i,j;

  double s,d;

  scsum=scavg=scdeviat=dursum=duravg=durdeviat=cid=0;

  scmin=10; scmax=0; durmin=24*3600; durmax=0;

  {int k; for(k=0; k<10; k++) best[k]=0 ;}

  for(i=0,j=dat->firstscore; i<dat->scorecnt; i++) {

    s=(double) scores[j].score/100; d=(double) scores[j].dure/60;

    scsum+=s; dursum+=d;

    if(scmin>s) scmin=s;

    if(scmax<s) scmax=s;

    if(durmin>d) durmin=d;

    if(durmax<d) durmax=d;

    {

     int k, l = 0;

     for (k = 0; k < 10; k++) if (best[k] < best[l]) l = k;

     if (best[l] < s) best[l] = s;

    }

    j=scores[j].next;

  }

  if(i<=0) {scmin=durmin=0; return;}

  scavg=scsum/i; duravg=dursum/i;

  if(scsum>1) cid=min(4*sqrt(dursum*dat->newcnt)/scsum,99);

  else cid=0;

  if(i>=2) {

    for(i=0,j=dat->firstscore; i<dat->scorecnt; i++) {

      s=(double) scores[j].score/100; d=(double) scores[j].dure/60;

      scdeviat+=(s-scavg)*(s-scavg); durdeviat+=(d-duravg)*(d-duravg);

      j=scores[j].next;

    }

    scdeviat=sqrt(scdeviat/i); durdeviat=sqrt(durdeviat/i);

  }

}

/* Output line format:

 * type sh exo newcnt scorecnt scsum dursum scavg duravg scmin durmin scmax durmax scdeviat durdeviat cid

 */

void  outsheetexo (int i, int flag)

{

  if(shdata[i].newcnt<=0) return;

  stati(shdata+i);

  switch(flag) {

     case 0: printf(":S %2d %2d %4d %4d \

%4.0f %4.0f %5.2f %5.2f \

%5.2f %4.1f %5.2f %5.1f \

%5.2f %5.2f %4.1f\n",

             i/MAX_EXOS+1,i%MAX_EXOS+1,

             shdata[i].newcnt, shdata[i].scorecnt,

             scsum, dursum,

             scavg, duravg,

             scmin,durmin,scmax,durmax,

             scdeviat, durdeviat,

             cid); break;

     case 1: printf("%d_%d=%d,%d,\

%.0f,%.0f,%.2f,%.2f,\

%.2f,%.1f,%.2f,%.1f,\

%.2f,%.2f,%.1f;",

             i/MAX_EXOS+1,i%MAX_EXOS+1,

             shdata[i].newcnt, shdata[i].scorecnt,

             scsum, dursum,

             scavg, duravg,

             scmin,durmin,scmax,durmax,

             scdeviat, durdeviat,

             cid);

            int k; for (k=0; k<10; k++) printf("%.2f,", best[k]);

            printf("\n");

            break;

  }

}

void outexamexo (int i)

{

  if(examdata[i].newcnt<=0) return;

  stati(examdata+i);

  printf(":E %2d %2d %4d %4d \

%4.0f %4.0f %5.2f %5.2f \

%5.2f %4.1f %5.2f %5.1f \

%5.2f %5.2f %4.1f\n",

             i/MAX_EXOS+1,i%MAX_EXOS+1,

             examdata[i].newcnt, examdata[i].scorecnt,

             scsum, dursum,

             scavg, duravg,

             scmin,durmin,scmax,durmax,

             scdeviat, durdeviat,

             cid);

}

void output(void)

{

  int i;

  for(i=0;i<MAX_SHEETS*MAX_EXOS;i++) { outsheetexo(i, 0);}

  for(i=0;i<MAX_EXAMS*MAX_EXOS;i++) { outexamexo(i);}

}

int main()

{

  char cla[MAX_LINELEN+1], user[256];

  char *c1, *c2;

  char *cdata, *udata, *sh;

  memset(shdata,0,sizeof(shdata)); memset(examdata,0,sizeof(examdata));

  dirbase=getenv("exostat_dirbase");

  if(dirbase==NULL || *dirbase==0) dirbase="../log/classes";

  sdata=getenv("exostat_types");

  if(sdata==NULL || *sdata==0) sdata="score noscore";

  cdata=getenv("exostat_classes");

  if(cdata==NULL || *cdata==0) cdata=getenv("w_wims_class");

  if(cdata==NULL || *cdata==0) return -1;

  snprintf(cla,sizeof(cla),"%s",cdata);

  udata=getenv("exostat_user");

  if(udata==NULL || *udata==0) {

    for(c1=cla; *c1; c1++) if(!isalnum(*c1) && *c1!='/') *c1=' ';

    for(c1=find_word_start(cla); *c1; c1=find_word_start(c2)) {

      c2=find_word_end(c1); if(*c2) *c2++=0;

      onedir(c1);

    }

    output();

  } else {

    snprintf(user,sizeof(user),"%s",udata);

    multiuser(cla, user);

    sh=getenv("exostat_sheet");

    if( sh==NULL || *sh==0 ) output();

    else {

      int s=atoi(sh);

      s=(s-1)*MAX_EXOS;

      int i;

      for(i=s;i < s + MAX_EXOS;i++) {

        outsheetexo(i, 1);

      }

    };

  }

  return 0;

}