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1085 pj 1
/*
2
 *
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 *
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 *
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 */
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#include <kernel/func.h>
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#include <kernel/model.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/mount.h>
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#include <dirent.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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#include <semaphore.h>
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#include <stdio.h>
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#include "common.h"
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#include <trace/trace.h>
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#include <trace/queues.h>
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#define sem_signal sem_post
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int noscroll=0;
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SEM console;
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#define MPROC    ((50<(MAX_PROC-10))?50:MAX_PROC-10)
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TASK viewdir(void *prof);
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sem_t actmutex,actsync;
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char *globpathname;
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PID globpid;
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int counter=0,actcounter=0;
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void activate_task(int prof, char *pathname)
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{
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  char tname[32];
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  NRT_TASK_MODEL m;
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  PID pid;
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REPEAT:
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  sem_wait(&actmutex);
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  if (actcounter>=MPROC) {
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    sem_signal(&actmutex);
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    task_delay(10000);
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    goto REPEAT;
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  }
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  globpathname=pathname;
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  counter++;
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  sprintf(tname,"tsk%i",counter);
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  nrt_task_default_model(m);
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  nrt_task_def_arg(m,(void*)counter);
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  globpid=pid=task_create(tname,viewdir,&m,NULL);
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  if (pid==-1) {
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    sem_wait(&console);
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    cprintf("can't create '%s'\n",tname);
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    perror("can't create task");
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    sem_signal(&console);
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    sys_end();
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    return;
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  }
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  task_activate(pid);
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  sem_wait(&actsync);
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  actcounter++;
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  sem_signal(&actmutex);
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}
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/*
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 *
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 */
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int filecounter=0;
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TASK viewdir(void *pointer)
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{
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  struct dirent *den;
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  struct stat st;
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  char *str;
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  DIR *d;
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  int res;
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  int x;
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  char pathname[1024];
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  PID mypid;
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  int prof=(int)pointer;
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  strcpy(pathname,globpathname);
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  mypid=globpid;
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  sem_signal(&actsync);  
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  str=pathname+(x=strlen(pathname));
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  d=opendir(pathname);
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  if (d==NULL) {
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    sem_wait(&console);
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    cprintf("%03i ERR: can't open dir %s\n",prof,pathname);
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    cprintf("errno: %i '%s'\n",errno,strerror(errno));
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    sem_signal(&console);
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    sys_end();
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    l1_exit(0);
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112
    goto END;
113
  }
114
 
115
  while ((den=readdir(d))!=NULL) {
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    if (x==1&&*pathname=='/')
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      strcat(pathname,den->d_name);
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    else
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      strcat(strcat(pathname,"/"),den->d_name);
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    sem_wait(&console);
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    if (noscroll) {
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      place(0,10);
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      cprintf("                                                           ");
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      place(0,10);
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    }
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    cprintf("t%03i %s\n",prof,pathname);
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    filecounter++;
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    sem_signal(&console);
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    if (!strcmp(den->d_name,".")) goto SKIP;
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    if (!strcmp(den->d_name,"..")) goto SKIP;
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135
    res=stat(pathname,&st);
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    if (res!=0) {
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      sem_wait(&console);
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      cprintf("t%03i can't stat %s\n",prof,pathname);
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      cprintf("errno: %i '%s'\n",errno,strerror(errno));
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      sem_signal(&console);
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142
      sys_end();
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      l1_exit(0);
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145
      closedir(d);
146
      goto END;
147
    } else {          
148
      if (S_ISDIR(st.st_mode)) {
149
        sem_wait(&console);
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        sem_signal(&console);
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        activate_task(prof,pathname);
152
      }
153
 
154
    }
155
 
156
  SKIP:
157
    *str='\0';
158
  }
159
 
160
  closedir(d);
161
 
162
END:
163
  sem_wait(&actmutex);
164
  actcounter--;
165
  sem_signal(&actmutex);
166
 
167
  return 0;
168
}
169
 
170
/*
171
 *
172
 */
173
 
174
int __register_sub_init_prologue(void)
175
{
176
  int q;
177
  TRC_init_phase1(NULL);
178
  trc_register_fixed_queue();
179
  q=trc_create_queue(TRC_FIXED_QUEUE,NULL);
180
  trc_assign_class_to_queue(TRC_CLASS_SYSTEM,q);
181
  trc_trace_class(TRC_CLASS_SYSTEM);
182
  return 0;
183
}
184
 
185
/*
186
 *
187
 */
188
 
189
int main(int argc,char *argv[])
190
{
191
  //  int res;
192
 
193
  showmessage("This test show all filenames of a directory of an hardisk\n"
194
              "recursively using a soft task for every directory.\n"
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              "The tracer with a circular queue is activated.\n");
196
 
197
  sem_init(&console,0,1);
198
  sem_init(&actmutex,0,1);
199
  sem_init(&actsync,0,0);
200
 
201
  activate_task(-1,FROMDIR);
202
 
203
  for(;;) {
204
    sem_wait(&actmutex);
205
    if (actcounter==0) break;
206
    sem_signal(&actmutex);
207
    task_delay(500000);
208
  }
209
 
210
  cprintf("\nfiles: %i\n",filecounter);
211
 
212
  waitend();
213
 
214
  return 0;
215
}