void main(void)
{
init_boot();
init_usb();
while(1)
{
usb_sleep();
dispatch_usb_event();
if((application_data.invalid == 0) &&
(GET_ACTIVE_CONFIGURATION() > FLASH_CONFIGURATION))
{
application_data.main();
INTCON = 0; // Forbid interrupts
}
}
}
int main()
{
int argc, hist_count, dir, pipeCount, x;
char **argv = NULL, s[MAX];
int preCount = 0, postCount = 0;
int * execute;// (int *)calloc(2, sizeof(int));
char ** prePipe = NULL, ** postPipe = NULL, **preRedir = NULL, ** postRedir = NULL;
char * path = NULL;
LinkedList * hist_list = linkedList(); //--This will store history of size 100
LinkedList * alias_list = linkedList(); //--This will hold our history file data
//////////--Begin initialization
// check for .msshrc, if it's there
// open it, otherwise create
if( access( ".msshrc", F_OK ) != -1 ) //--.msshrc does exist
{
//--Since the file exists we are guarenteed
// at least the HISTCOUNT and HISTFILECOUNT
FILE * mssh_fin = fopen( ".msshrc", "r" );
init_boot( mssh_fin, alias_list, &path );
printf( ".msshrc successfully loaded.\n" );
printf("histcount: %d\nhistfilecount: %d\nPath: %s\n", HISTCOUNT, HISTFILECOUNT, path);
}//end if
else //--.msshrc does NOT exist
{
printf( ".msshrc not found, setting globals...\n" );
HISTCOUNT = 100;
HISTFILECOUNT = 1000;
}//end else
//
//--Check for history files
if( access( ".mssh_history", F_OK ) != -1 ) //--.mssh_history does exist
{
FILE * hist_fin = fopen( ".mssh_history", "r" );
//--Fill our history list
//
//hist_count = read_hist_file( hist_fin, hist_list);
printf( ".mssh_history successfully loaded.\n" );
}//end if
else //--.mssh_history does NOT exist
{
printf( ".mssh_history not found.\n" );
}//end else
//////////--End initialization
printf( "Welcome to MSSH!\n\n" );
printf( "command?: " );
fgets( s, MAX, stdin );
strip( s );
while( strcmp( s, "exit" ) != 0 )
{
int function_flag = 0;
argc = makeargs( s, &argv, " \t\n" );
pipeCount = containsPipe( s ); // count pipes present
int leftRedirCount = containsLeftRedir( s );
int rightRedirCount = containsRightRedir( s );
// Whatever the command may be, must be added to history
if(strlen( s ) > 0)
{
argc = makeargs( s, &argv, " \t\n" );
addLast( hist_list, buildNode_hist( buildType_hist( argc, argv, hist_list->size + 1 )));
}//end if
if( strcmp( s, "history" ) == 0 ) // History command check
{
setStart( hist_list, 0 );
printSection( hist_list, printType_hist, 0 );
//printList( hist_list, printType_hist );
}//end if
if(leftRedirCount > 0 || rightRedirCount > 0 || pipeCount > 0) // contains redir or pipe
{
function_flag++;
if( pipeCount > 0 ) // contains a pipe
{
if( leftRedirCount > 0 ) // contains pipe and a left redir '<'
{
if( leftRedirCount > 0 ) // contains all 3
{
}//end if
}//end if
if( leftRedirCount > 0 ) // contains a pipe right redir '>'
{
}//end if
else // contains only a pipe
{
prePipe = parsePrePipe( s, &preCount, '|');
postPipe = parsePostPipe( s, &postCount, '|');
pipeIt( prePipe, postPipe );
clean( preCount, prePipe );
clean( postCount, postPipe );
}//end else
}//end if
else if( leftRedirCount > 0 ) // contains a left redir '<'
{
if( rightRedirCount > 0 ) // contains a left and right redir '<' & '>'
{
}//end if
else // only contains a left redir '<'
{
preRedir = parsePrePipe( s, &preCount, '<');
postRedir = parsePostPipe( s, &postCount, '<' );
executeRedir(preRedir, postRedir, '<');
clean( preCount, preRedir );
clean( postCount, postRedir );
}//end else
}//end if
else // only contains a right redir '>'
{
preRedir = parsePrePipe( s, &preCount, '>');
postRedir = parsePostPipe( s, &postCount, '>' );
executeRedir(preRedir, postRedir, '>');
clean( preCount, preRedir );
clean( postCount, postRedir );
}//end else
}//end if
// If none of cases hit, just make args and run it
if( function_flag == 0 )
{
argc = makeargs( s, &argv, " \t\n" );
if( strcmp(argv[0], "alias") == 0)
{
argc = makeargs( s, &argv, " ");
Node * newAlias = buildNode_alias( buildType_alias( s ));
addLast( alias_list, newAlias);
printf("Current list of Alias's:\n");
printList( alias_list, printType_alias ); //See list of alias's
}//end if
/* --was using for alias structure, currently broken, causes a segfault.
else
{
//checkAlias( s, alias_list, &execute ); // lastly we should check for an alias call
//return value of 1 will execute the alias
Node * cur = alias_list->head->next;
Alias * run_al;
if(*(execute + 0) == 1)
{
for( x = 0; x < *(execute + 1); x++ )
cur = cur->next;
run_al = convert_data_Alias( cur->data );
forkIt( run_al->command );
}//end if
}//end else
*/
if ( strcmp( argv[0], "cd" ) == 0 )
dir = chdir( argv[1] );
if( argc != -1 )
forkIt( argv );
clean( argc, argv );
argv = NULL;
}//end else
//////////////////////////////////////////////////////////////////////////////////////////
// Re-prompt for input
printf( "command?: " );
fgets( s, MAX, stdin );
strip( s );
}// end while
//--Write .mssh_history file
setStart( hist_list, 1 );
printSection( hist_list, printType_histfile, 1 );
//--Clean: history
clearList( hist_list, cleanType_hist );
free( hist_list );
hist_list = NULL;
//
//--Clean: alias
clearList( alias_list, cleanType_alias );
free( alias_list );
alias_list = NULL;
//free( execute );
//
// Finished cleaning up memory
// Safe to return.
return 0;
}// end main
