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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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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;
89
  int res;
90
  int x;
91
  char pathname[1024];
92
  PID mypid;
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  int prof=(int)pointer;
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95
  strcpy(pathname,globpathname);
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  mypid=globpid;
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  sem_signal(&actsync);  
98
 
99
  str=pathname+(x=strlen(pathname));
100
  d=opendir(pathname);
101
 
102
  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);
107
 
108
    sys_end();
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    l1_exit(0);
110
 
111
    goto END;
112
  }
113
 
114
  while ((den=readdir(d))!=NULL) {
115
 
116
    if (x==1&&*pathname=='/')
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      strcat(pathname,den->d_name);
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    else
119
      strcat(strcat(pathname,"/"),den->d_name);
120
 
121
    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);
126
    }
127
    cprintf("t%03i %s\n",prof,pathname);
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    filecounter++;
129
    sem_signal(&console);
130
 
131
    if (!strcmp(den->d_name,".")) goto SKIP;
132
    if (!strcmp(den->d_name,"..")) goto SKIP;
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134
    res=stat(pathname,&st);
135
    if (res!=0) {
136
      sem_wait(&console);
137
      cprintf("t%03i can't stat %s\n",prof,pathname);
138
      cprintf("errno: %i '%s'\n",errno,strerror(errno));
139
      sem_signal(&console);
140
 
141
      sys_end();
142
      l1_exit(0);
143
 
144
      closedir(d);
145
      goto END;
146
    } else {          
147
      if (S_ISDIR(st.st_mode)) {
148
        sem_wait(&console);
149
        sem_signal(&console);
150
        activate_task(prof,pathname);
151
      }
152
 
153
    }
154
 
155
  SKIP:
156
    *str='\0';
157
  }
158
 
159
  closedir(d);
160
 
161
END:
162
  sem_wait(&actmutex);
163
  actcounter--;
164
  sem_signal(&actmutex);
165
 
166
  return 0;
167
}
168
 
169
/*
170
 *
171
 */
172
 
173
int __register_sub_init_prologue(void)
174
{
175
  TRC_init_phase1(NULL);
176
  trc_register_circular_queue();
177
  trc_create_queue(TRC_CIRCULAR_QUEUE,NULL);
178
  return 0;
179
}
180
 
181
/*
182
 *
183
 */
184
 
185
int main(int argc,char *argv[])
186
{
187
  //  int res;
188
 
189
  showmessage("This test show all filenames of a directory of an hardisk\n"
190
              "recursively using a soft task for every directory.\n"
191
              "The tracer with a circular queue is activated.\n");
192
 
193
  sem_init(&console,0,1);
194
  sem_init(&actmutex,0,1);
195
  sem_init(&actsync,0,0);
196
 
197
  activate_task(-1,FROMDIR);
198
 
199
  for(;;) {
200
    sem_wait(&actmutex);
201
    if (actcounter==0) break;
202
    sem_signal(&actmutex);
203
    task_delay(500000);
204
  }
205
 
206
  cprintf("\nfiles: %i\n",filecounter);
207
 
208
  waitend();
209
 
210
  return 0;
211
}