int32_t Shell_flush_cache(int32_t argc, char *argv[] )
{ /* Body */
bool print_usage, shorthelp = FALSE;
int32_t return_code = SHELL_EXIT_SUCCESS;
int fd;
char *name_ptr = NULL;
SHELL_CONTEXT_PTR shell_ptr = Shell_get_context(argv);
print_usage = Shell_check_help_request(argc, argv, &shorthelp );
if (!print_usage) {
if (argc > 2) {
fprintf(shell_ptr->STDOUT, "Error, invalid number of parameters\n");
return_code = SHELL_EXIT_ERROR;
print_usage=TRUE;
} else {
if (argc==2) {
name_ptr = argv[1];
} else {
name_ptr = Shell_get_current_filesystem_name(argv);
}
if (_nio_supp_validate_device(name_ptr)) {
fd = open(name_ptr, O_RDWR);
if (0 > fd) {
fprintf(shell_ptr->STDOUT, "Error, unable to access file system\n" );
return_code = SHELL_EXIT_ERROR;
} else {
write(fd, NULL, 0); //This flushes fd.
close(fd);
}
}
}
}
if (print_usage) {
if (shorthelp) {
fprintf(shell_ptr->STDOUT, "%s <filesys:>\n", argv[0]);
} else {
fprintf(shell_ptr->STDOUT, "Usage: %s <filesys:>\n", argv[0]);
fprintf(shell_ptr->STDOUT, " filesys: = name of MFS file system\n");
}
}
return return_code;
} /* Endbody */
int_32 Shell_cd(int_32 argc, char_ptr argv[] )
{ /* Body */
boolean print_usage, shorthelp = FALSE, dev_in_path = FALSE;
int_32 error = 0, return_code = SHELL_EXIT_SUCCESS;
MQX_FILE_PTR fs_ptr;
char_ptr abs_path = NULL;
SHELL_CONTEXT_PTR shell_ptr = Shell_get_context( argv );
int_16 devlen = 0;
print_usage = Shell_check_help_request(argc, argv, &shorthelp );
if (!print_usage) {
if (argc != 2) {
printf("Error, invalid number of parameters\n");
return_code = SHELL_EXIT_ERROR;
print_usage=TRUE;
} else {
if (MFS_alloc_path(&abs_path) != MFS_NO_ERROR) {
printf("Error, unable to allocate memory for paths\n" );
return_code = SHELL_EXIT_ERROR;
}
else
{
devlen = _io_get_dev_for_path(abs_path,
&dev_in_path,
PATHNAME_SIZE,
(char *)argv[1],
Shell_get_current_filesystem_name(shell_ptr));
fs_ptr = _io_get_fs_by_name(abs_path);
if (fs_ptr == NULL)
{
printf("Device \"%s\" not available\n", abs_path);
return_code = SHELL_EXIT_ERROR;
}
else
{
error = _io_rel2abs(abs_path,
shell_ptr->CURRENT_DIR,
(char *)argv[1],
PATHNAME_SIZE,
shell_ptr->CURRENT_DEVICE_NAME);
if(!error)
{
// check if path exist
error = ioctl(fs_ptr, IO_IOCTL_CHECK_DIR_EXIST,(pointer)abs_path );
}
if (error)
{
printf("Error changing directory %s\n", argv[1]);
}
else
{
if(dev_in_path == TRUE)
{
// there is device name in input path
//separate device name
abs_path[devlen] = '\0';
Shell_set_current_filesystem_by_name(argv,abs_path);
// add "\" back to the string
abs_path[devlen] = '\\';
}
// change shell current dir
strcpy(shell_ptr->CURRENT_DIR,abs_path+devlen);
}
}
MFS_free_path(abs_path);
}
}
}
if (print_usage) {
if (shorthelp) {
printf("%s <directory> \n", argv[0]);
} else {
printf("Usage: %s <directory>\n", argv[0]);
printf(" <directory> = name of directory to change to\n");
}
}
return return_code;
}
int32_t Shell_df(int32_t argc, char *argv[])
{ /* Body */
bool print_usage;
bool shorthelp = FALSE;
int32_t return_code = SHELL_EXIT_SUCCESS;
SHELL_CONTEXT_PTR shell_ptr = Shell_get_context(argv);
int fs;
int64_t space;
int32_t clusters;
uint32_t cluster_size;
int32_t error = 0;
char *fs_name;
print_usage = Shell_check_help_request(argc, argv, &shorthelp);
if (!print_usage) {
if (argc > 2) {
fprintf(shell_ptr->STDOUT, "Error, invalid number of parameters\n");
return_code = SHELL_EXIT_ERROR;
print_usage=TRUE;
}
}
if (print_usage) {
if (shorthelp) {
fprintf(shell_ptr->STDOUT, "%s [<filesystem>]\n", argv[0]);
}
else {
fprintf(shell_ptr->STDOUT, "Usage: %s [filesystem]\n", argv[0]);
fprintf(shell_ptr->STDOUT, " <filesystem> = filesystem to query for free space\n");
}
return return_code;
}
if (argc == 2) {
fs_name = argv[1];
fs = _io_get_fs_by_name(fs_name);
}
else {
fs_name = Shell_get_current_filesystem_name(shell_ptr);
fs = Shell_get_current_filesystem(argv);
}
/* check if filesystem is mounted */
if (0 > fs) {
fprintf(shell_ptr->STDOUT, "Error, file system not mounted\n");
return return_code = SHELL_EXIT_ERROR;
}
error = ioctl(fs, IO_IOCTL_FREE_SPACE, &space);
if (0 > error) {
fprintf(shell_ptr->STDOUT, "Error, could not get free space\n");
return return_code = SHELL_EXIT_ERROR;
}
error = ioctl(fs, IO_IOCTL_FREE_CLUSTERS, &clusters);
if (0 > error) {
fprintf(shell_ptr->STDOUT, "Error, could not get free space\n");
return return_code = SHELL_EXIT_ERROR;
}
error = ioctl(fs, IO_IOCTL_GET_CLUSTER_SIZE, &cluster_size);
if (0 > error) {
fprintf(shell_ptr->STDOUT, "Error, could not get free space\n");
return return_code = SHELL_EXIT_ERROR;
}
fprintf(shell_ptr->STDOUT, "Free disk space on %s\n", fs_name);
fprintf(shell_ptr->STDOUT, "%ld clusters, %ld bytes each\n", (long int)clusters, (long int)cluster_size);
fprintf(shell_ptr->STDOUT, "%lu KB\n", (unsigned long int)(space>>10));
return return_code;
} /* Endbody */
int32_t Shell_del(int32_t argc, char *argv[] )
{ /* Body */
bool print_usage, shorthelp = FALSE, temp;
int32_t error = 0, return_code = SHELL_EXIT_SUCCESS;
MQX_FILE_PTR fs_ptr;
SHELL_CONTEXT_PTR shell_ptr = Shell_get_context( argv );
char *abs_path;
print_usage = Shell_check_help_request(argc, argv, &shorthelp );
if (!print_usage) {
if (argc != 2)
{
printf("Error, invalid number of parameters\n");
return_code = SHELL_EXIT_ERROR;
print_usage=TRUE;
}
/* check if filesystem is mounted */
else if (NULL == Shell_get_current_filesystem(argv))
{
printf("Error, file system not mounted\n" );
return_code = SHELL_EXIT_ERROR;
}
else
{
if (MFS_alloc_path(&abs_path) != MFS_NO_ERROR) {
printf("Error, unable to allocate memory for paths\n" );
return_code = SHELL_EXIT_ERROR;
}
else
{
_io_get_dev_for_path(abs_path,&temp,PATHNAME_SIZE,(char *)argv[1],Shell_get_current_filesystem_name(shell_ptr));
fs_ptr = _io_get_fs_by_name(abs_path);
if (fs_ptr == NULL) {
printf("Error, file system not mounted\n" );
return_code = SHELL_EXIT_ERROR;
} else {
error = _io_rel2abs(abs_path,shell_ptr->CURRENT_DIR,(char *) argv[1],PATHNAME_SIZE,Shell_get_current_filesystem_name(shell_ptr));
if (!error)
{
error = ioctl(fs_ptr, IO_IOCTL_DELETE_FILE, (void *) abs_path);
}
if (error) {
printf("Error deleting file %s\n", argv[1]);
}
}
MFS_free_path(abs_path);
}
}
}
if (print_usage) {
if (shorthelp) {
printf("%s <file> \n", argv[0]);
} else {
printf("Usage: %s <file>\n", argv[0]);
printf(" <file> = name of file to delete\n");
}
}
return return_code;
}
int32_t Shell_cache(int32_t argc, char *argv[] )
{
SHELL_CONTEXT_PTR shell_ptr = Shell_get_context(argv);
bool print_usage, shorthelp = FALSE;
int32_t return_code = SHELL_EXIT_SUCCESS;
int32_t i;
int fd;
char *name_ptr = NULL;
bool on = TRUE;
print_usage = Shell_check_help_request(argc, argv, &shorthelp );
if (!print_usage) {
if (argc > 3) {
fprintf(shell_ptr->STDOUT, "Error, invalid number of parameters\n");
return_code = SHELL_EXIT_ERROR;
print_usage=TRUE;
} else {
for (i=1;i<argc;i++) {
if (strcmp("on", argv[i])==0) {
on = TRUE;
} else if (strcmp("off", argv[i])==0) {
on = FALSE;
} else if (_nio_supp_validate_device(argv[i])) {
name_ptr = argv[i];
} else {
fprintf(shell_ptr->STDOUT, "Error, invalid parameter\n");
return_code = SHELL_EXIT_ERROR;
print_usage = TRUE;
break;
}
}
if (return_code == SHELL_EXIT_SUCCESS) {
if (name_ptr==NULL) {
name_ptr = Shell_get_current_filesystem_name(argv);
}
fd = open(name_ptr, O_RDWR);
if (0 > fd) {
fprintf(shell_ptr->STDOUT, "Error, unable to access file system\n" );
return_code = SHELL_EXIT_ERROR;
} else {
if (0 > ioctl(fd, (on ? IO_IOCTL_WRITE_CACHE_ON : IO_IOCTL_WRITE_CACHE_OFF), NULL))
{
fprintf(shell_ptr->STDOUT, "Error, unable to set cache\n" );
}
close(fd);
}
}
}
}
if (print_usage) {
if (shorthelp) {
fprintf(shell_ptr->STDOUT, "%s [on|off] [<filesys:>]\n", argv[0]);
} else {
fprintf(shell_ptr->STDOUT, "Usage: %s [on|off] [<filesys:>]\n", argv[0]);
fprintf(shell_ptr->STDOUT, " <filesys:> = name of MFS file system\n");
}
}
return return_code;
}
