int main(int argc, char *argv[]) {
FILE *parFile = fopen(GCODE_PARAMETER_STORE, "r");
FILE *inputFile = (argc > 1 ? fopen(argv[1], "r") : stdin);
char line[0xFF];
init_parameters(parFile);
init_machine(NULL);
init_stacks(NULL);
init_tools(NULL);
init_input(inputFile);
//TODO: align API, add done_gcode_state().
init_gcode_state(NULL);
init_cycles(NULL);
//TODO: align API, make it take a pointer to init data.
init_queue();
init_checker(NULL);
while(machine_running() && gcode_running() && fetch_line_input(line)) {
if(gcode_check(line)) update_gcode_state(line);
move_machine_queue();
}
/* Flush movement queue */
while(move_machine_queue());
done_checker();
done_queue();
done_cycles();
done_input();
done_tools();
done_stacks();
done_machine();
done_parameters();
return 0;
}
/*************************************************************************
* MAIN ENTRY POINT FOR THE FILE-SYSTEM CHECKER
*
* - The different passes of the checking process ...
*
* Parameter : full = TRUE : Full check incl. directory tree scan
* FALSE: only check_unique() then full check if
* any errors occurred
* Return : FALSE, if a fatal error-condition occurred
*
*************************************************************************/
word
fscheck ( word full )
{
struct buf *bpar, *bp; /* used for check_inodes() */
struct dir_elem root_de;
/* For fatal error handling. This longjmp - */
/* location is used, if bread() to fixed block- */
/* numbers (like 1,2,3) fails or memory alloca- */
/* operations do not succeed. */
if ( setjmp ( term_jmp ) != 0 )
{
IOdebug ("%sCHECKER INTERRUPTED DUE TO A FATAL ERROR CONDITION!", S_FATAL);
IOdebug ("%s(Especially block-read and memory allocation operations)", S_FATAL);
finish_checker ();
return FALSE;
}
if ( ! init_checker () ) /* Basic initialization */
return FALSE;
/*--------------- The four steps of the checking process ---------------*/
IOdebug ( "%sSTEP 1 : CHECKING BASIC DATA STRUCTURES", S_INFO );
unique_err = 0;
if ( ! check_unique () ) /* Basic tests on superblock */
{ /* and other unique structures */
IOdebug ("%sDURING BASIC DATA STRUCTURE CHECK", S_FATAL);
finish_checker ();
return FALSE;
}
if ( !full && !unique_err ) {
finish_checker (); /* Finish checking, tidy up and */
/* unlock the server's ports */
return TRUE; /* Terminate checker process */
}
IOdebug ( "%sSTEP 2 : TRAVERSING THE DIRECTORY TREE (INODE-CHECK)", S_INFO);
bpar = bread ( 0, 1, 1, SAVEA ); /* Get sum-block with root-dir */
/* if read fails jmp to term_jmp */
/* Start from the file-server's */
/* root position */
memcpy ( &root_de, &bpar->b_un.b_sum->root_dir, sizeof (struct dir_elem) );
brelse ( bpar->b_tbp, TAIL ); /* Release summary block */
/* Up from this point, we get a */
/* Work on the directory tree */
if ( ! check_inodes ( &root_de , 1, 0 ) )
{
IOdebug ("%sDURING SIMPLE OBJECT (INODE) CHECK", S_FATAL);
finish_checker ();
return FALSE;
}
/* Work on the bit-maps */
IOdebug ( "%sSTEP 3 : MAKE BLOCK-BASED CONNECTIVITY CHECKS", S_INFO);
if ( ! check_blocks () )
{
IOdebug ("%sDURING BIT-MAP AND CONNECTIVITY CHECK", S_FATAL);
finish_checker ();
return FALSE;
}
actual_path[0] = '\0';
/* Perform some final tidy-up */
/* operations */
IOdebug ("%sSTEP 4 : TIDYUP EVERYTHING AND CORRECT SUMMARY INFORMATIONS", S_INFO);
if ( ! tidy_update () )
{
IOdebug ("%sDURING TIDY UP OPERATION", S_FATAL);
finish_checker ();
return FALSE;
}
finish_checker (); /* Finish checking, tidy up and */
/* unlock the server's ports */
return TRUE; /* Terminate checker process */
}