void cmd_open(void) {
uint8_t mode;
/* Принимаем режим */
mode = wrecv();
// Принимаем имя файла
recvString();
// Режим передачи и подтверждение
sendStart(ERR_WAIT);
// Открываем/создаем файл/папку
if(mode == O_SWAP) {
fs_swap();
} else
if(mode == O_DELETE) {
fs_delete();
} else
if(mode == O_OPEN) {
fs_open();
} else
if(mode < 3) {
fs_open0(mode);
} else {
lastError = ERR_INVALID_COMMAND;
}
// Ок
if(!lastError) lastError = ERR_OK_CMD;
}
static int chips_rm(int argc, char **argv)
{
if(argc != 2)
{
fprintf(stderr, "Usage: %s <path>\n", argv[0]);
return -1;
}
int fd = do_open(argv[1]);
if(fd < 0)
{
fprintf(stderr, "Failed to open %s\n", argv[1]);
return 1;
}
potatoes_file_info_t info;
get_file_info(fd, &info);
do_close(fd);
if(info.mode != POTATOES_DATA_FILE)
{
fprintf(stderr, "Not a file: %s\n", argv[1]);
return 1;
}
if(!fs_delete(argv[1]))
{
fprintf(stderr, "Failed to delete %s\n", argv[1]);
return 1;
}
return 0;
}
//--------------------------------------------------------------------------------------------------*/
// 文件系统主循环任务
void task_fs(void * pdata)
{
MSG msg;
FS_MSG* p_fs_msg;
pdata = pdata;
int src;
init_fs();
while(1)
{
//--------------------------------------------------------------------------------------------------*/
//
assert(recv(ANY,&msg) == 0);
assert( msg.type == FS_MSG_UNION );
src = msg.sender;
p_fs_msg = &msg.msg_union.fs_msg;
switch(p_fs_msg->para)
{
case FS_OPEN:
p_fs_msg->fd = fs_open(p_fs_msg->pathname,p_fs_msg->flags,task_table + msg.sender);
break;
case FS_WRITE:
p_fs_msg->count = fs_write(p_fs_msg->fd,p_fs_msg->buf,p_fs_msg->offset,p_fs_msg->count,task_table + msg.sender);
break;
case FS_READ:
p_fs_msg->count = fs_read(p_fs_msg->fd,p_fs_msg->buf,p_fs_msg->offset,p_fs_msg->count,task_table + msg.sender);
break;
case FS_CLOSE:
p_fs_msg->para = fs_close(p_fs_msg->fd,task_table + msg.sender);
break;
case FS_DEL:
p_fs_msg->para = fs_delete(va2pa((task_table + msg.sender)->pdb,p_fs_msg->pathname),p_fs_msg->flags);
break;
case FS_RESUME:
src = p_fs_msg->flags; // 待解除阻塞的进程ID(利用了flags这个成员返回PID)
assert(0 <= src && src < NR_TOTAL);
break; // p_fs_msg->count：-1 请求失败（有其他进程正在请求输入），其他值表示输入字节数
case FS_FORK:
p_fs_msg->para = fs_do_fork(p_fs_msg->flags);
break;
case FS_EXIT:
fs_do_exit(p_fs_msg->flags);
break;
case FS_LSEEK:
p_fs_msg->para = fs_do_lseek(p_fs_msg->fd,p_fs_msg->offset,p_fs_msg->flags,task_table + msg.sender);
break;
default: break;
}
if(no_answer == 1)
no_answer = 0; // 解除下一个tty请求的阻塞
else
send(src,&msg);
//--------------------------------------------------------------------------------------------------*/
}
}
int main(int argc, char *argv[]) {
make_fs("test");
mount_fs("test");
fs_create("myfile.txt");
fs_list_files();
fs_create("junk.txt");
fs_list_files();
int fd = fs_open("myfile.txt");
char *buf = "testing this code";
fs_write(fd,buf,strlen(buf));
//fs_lseek(fd,100);
buf = "it! Blahc lksjdfkj ihwtw lekjth lksajdf 123413459827 i sadfkjhq3oipu4tryheiq8u934yt5981 3yq4t97ughergo9vyq398 4y5t 98qgrebgfvkje";
fs_write(fd,buf,strlen(buf)+1);
//fs_truncate(fd,2);
//fs_write(fd,"",1);
fs_close(fd);
fd = fs_open("myfile.txt");
char word[1000];
fs_read(fd,word,10000);
fs_close(fd);
printf("\"%s\" was read from myfile.txt\n",word);
printf("size of myfile.txt - %d\n", fs_get_filesize("myfile.txt"));
unmount_fs("test");
mount_fs("test");
fs_list_files();
printf("size of myfile.txt - %d\n", fs_get_filesize("myfile.txt"));
printf("size of junk.txt - %d\n", fs_get_filesize("junk.txt"));
fd = fs_open("myfile.txt");
fs_read(fd,word,10000);
fs_close(fd);
printf("\"%s\" was read from myfile.txt\n",word);
fs_delete("myfile.txt");
fs_list_files();
unmount_fs("test");
return 0;
}
int chips_unlink(const char *path)
{
int fd = do_open((char *)path);
if(fd < 0)
return -ENOENT;
potatoes_file_info_t info;
get_file_info(fd, &info);
if(info.mode != POTATOES_DATA_FILE)
return -EPERM;
do_close(fd);
return fs_delete((char *)path) ? 0 : -1;
}
/*
* os_auto_flush -- check if platform supports auto flush for all regions
*
* Traverse "/sys/bus/nd/devices" path to find all the nvdimm regions,
* then for each region checks if "persistence_domain" file exists and
* contains "cpu_cache" string.
* If for any region "persistence_domain" entry does not exists, or its
* context is not as expected, assume eADR is not available on this platform.
*/
int
os_auto_flush(void)
{
LOG(15, NULL);
char *device_path;
int cpu_cache = 0;
device_path = BUS_DEVICE_PATH;
os_stat_t sdev;
if (os_stat(device_path, &sdev) != 0 ||
S_ISDIR(sdev.st_mode) == 0) {
LOG(3, "eADR not supported");
return cpu_cache;
}
struct fs *dev = fs_new(device_path);
if (dev == NULL) {
ERR("!fs_new: \"%s\"", device_path);
return -1;
}
struct fs_entry *dev_entry;
while ((dev_entry = fs_read(dev)) != NULL) {
/*
* Skip if not a symlink, because we expect that
* region on sysfs path is a symlink.
* Skip if depth is different than 1, bacause region
* we are interested in should be the first level
* child for device.
*/
if ((dev_entry->type != FS_ENTRY_SYMLINK) ||
!strstr(dev_entry->name, "region") ||
dev_entry->level != 1)
continue;
LOG(15, "Start traversing region: %s", dev_entry->path);
cpu_cache = check_domain_in_region(dev_entry->path);
if (cpu_cache != 1)
goto end;
}
end:
fs_delete(dev);
return cpu_cache;
}
/*
* check_domain_in_region -- (internal) check if region
* contains persistence_domain file
*/
static int
check_domain_in_region(const char *region_path)
{
LOG(3, "region_path: %s", region_path);
struct fs *reg = NULL;
struct fs_entry *reg_entry;
char domain_path[PATH_MAX];
int cpu_cache = 0;
reg = fs_new(region_path);
if (reg == NULL) {
ERR("!fs_new: \"%s\"", region_path);
cpu_cache = -1;
goto end;
}
while ((reg_entry = fs_read(reg)) != NULL) {
/*
* persistence_domain has to be a file type entry
* and it has to be first level child for region;
* there is no need to run into deeper levels
*/
if (reg_entry->type != FS_ENTRY_FILE ||
strcmp(reg_entry->name,
PERSISTENCE_DOMAIN) != 0 ||
reg_entry->level != 1)
continue;
int ret = snprintf(domain_path, PATH_MAX,
"%s/"PERSISTENCE_DOMAIN,
region_path);
if (ret < 0) {
ERR("snprintf(%p, %d,"
"%s/"PERSISTENCE_DOMAIN", %s): %d",
domain_path, PATH_MAX,
region_path, region_path, ret);
cpu_cache = -1;
goto end;
}
cpu_cache = check_cpu_cache(domain_path);
}
end:
if (reg)
fs_delete(reg);
return cpu_cache;
}
void fs_sis_try_unlink_hash_file(struct fs *sis_fs, struct fs_file *super_file)
{
struct fs_file *hash_file;
struct stat st1, st2;
const char *dir, *hash, *hash_path;
if (fs_sis_path_parse(sis_fs, super_file->path, &dir, &hash) == 0 &&
fs_stat(super_file, &st1) == 0 && st1.st_nlink == 2) {
/* this may be the last link. if hashes/ file is the same,
delete it. */
hash_path = t_strdup_printf("%s/"HASH_DIR_NAME"/%s", dir, hash);
hash_file = fs_file_init(super_file->fs, hash_path,
FS_OPEN_MODE_READONLY);
if (fs_stat(hash_file, &st2) == 0 &&
st1.st_ino == st2.st_ino &&
CMP_DEV_T(st1.st_dev, st2.st_dev)) {
if (fs_delete(hash_file) < 0)
i_error("%s", fs_last_error(hash_file->fs));
}
fs_file_deinit(&hash_file);
}
}
void
resp_rmfile(struct reqinfo *req)
{
lx_s data = {0};
if (!OPT_WRITABL) {
die_html(HTERR_FORBID, 0,
"Write access forbidden by configuration",
err_perm_denied);
}
if (lx_check0(&req->location)) die_nomem();
fs_delete(req->location.s);
if (lx_striset(&data, "0", 1)) die_nomem();
header_setstr(blob_header_send, "Content-Length", data.s, data.len);
resp_sendprefix(req, HTERR_OK);
resp_sendheaders(req, blob_header_send);
lx_free(&data);
}
void cmd_delete( void )
{
S_FSTREAM fs;
S_FINFO fi;
iu16 fid;
iu8 b;
if( !t0_testP3( sizeof(iu16) ) ) return;
if( !t0_testP1P2( 0x0000 ) ) return;
/* Get DF data */
if( !fs_getData( &selected, &fs, &fi ) ) return;
/* Correct DF type? */
if( fi.type!=FS_TYPE_DF ) {
sw_set( SW_NOT_ALLOWED );
return;
}
/* Correct permissions? */
if( !auth_checkAc( fi.ac[0]&0x0F ) ) return;
/* ACK */
t0_sendAck();
/* Data */
b = hal_io_recByteT0();
fid=b<<8;
b = hal_io_recByteT0();
fid+=b;
if( !fs_delete( fid ) ) return;
sw_set( SW_OK );
}
/* pre: takes in int 'argc' and char** 'argv' command line arguments which
* include:
* -f <file_list>
* -d <dir_list>
* -s <disk size>
* -b <block size>
* post: runs the filesystem simulation program
* return: 0 on sucessful exit, something else on error
*/
int main(int argc, char** argv)
{
int n;
char* line;
char** v;
/* parse args and setup global environment */
parse_args(argc, argv);
/* read input files and initialize filesystem */
init();
/* main command reading loop */
line = (char*)malloc(CMD_LEN * sizeof(char));
bzero((void*)line, CMD_LEN * sizeof(char));
while (1)
{
/* prompt */
printf("%s ", PROMPT);
fflush(stdout);
/* fd 0 is stdin */
if ((n = read(0, line, CMD_LEN)) == -1)
{
perror(argv[0]);
fs_exit();
exit(-1);
}
else if (n == 0)
{
fs_exit();
break;
}
else
{
/* overwrite newline with NULL-byte */
line[n - 1] = '\0';
#ifdef DEBUG
printf("[DEBUG]\tRead line: <%s>\n", line);
fflush(stdout);
#endif
/* use str2vect to break 'line' into a list of whitespace separated
* strings
*/
v = str2vect(line);
/* check for commands and execute the proper function */
if (!strcmp(v[0], "append"))
{
if (v[1] != NULL && v[2] != NULL)
fs_append(v[1], atoi(v[2]));
else
{
printf("usage: append name size\n");
fflush(stdout);
}
}
else if (!strcmp(v[0], "cd"))
{
if (v[1] != NULL)
fs_cd(v[1]);
else
{
printf("usage: cd directory\n");
fflush(stdout);
}
}
else if (!strcmp(v[0], "cd..")) /* just in case this is the intended command */
{
fs_cd("..");
}
else if (!strcmp(v[0], "create"))
{
if (v[1] != NULL)
fs_create(v[1]);
else
{
printf("usage: create name\n");
fflush(stdout);
}
}
else if (!strcmp(v[0], "delete"))
{
if (v[1] != NULL)
fs_delete(v[1]);
else
{
printf("usage: delete name\n");
fflush(stdout);
}
}
else if (!strcmp(v[0], "dir"))
{
fs_dir();
}
else if (!strcmp(v[0], "exit"))
{
/* free the vector immediately and break to exit */
free_vect(v);
break;
}
else if (!strcmp(v[0], "ls"))
{
fs_ls();
}
else if (!strcmp(v[0], "mkdir"))
{
if (v[1] != NULL)
fs_mkdir(v[1]);
else
{
printf("usage: mkdir directory\n");
fflush(stdout);
}
}
else if (!strcmp(v[0], "prdisk"))
{
fs_prdisk();
}
else if (!strcmp(v[0], "prfiles"))
{
fs_prfiles();
}
else if (!strcmp(v[0], "remove"))
{
if (v[1] != NULL && v[2] != NULL)
fs_remove(v[1], atoi(v[2]));
else
{
printf("usage: remove name size\n");
fflush(stdout);
}
}
else
{
printf("%s: command not found: %s\n", argv[0], v[0]);
fflush(stdout);
}
/* free the vector to avoid memory leaks */
free_vect(v);
}
}
free(line);
fs_exit();
return 0;
}
int process_request(const char *line, FILE *fp, FileSystem *fs) {
char command[4096];
#ifdef DEBUG
fprintf(stderr, "process request `%s`\n", line);
#endif
sscanf(line, "%s", command);
#ifdef DEBUG
fprintf(stderr, "command is `%s`\n", command);
#endif
if (0 == strcmp("f", command)) {
fs_format(fs);
return RESULT_DONE;
} else if (0 == strcmp("mk", command)) {
char f[4096];
char parent_path[4096];
sscanf(line + 2, "%s", f);
#ifdef DEBUG
fprintf(stderr, "> mk `%s`\n", f);
#endif
if (fs_exists(fs, f)) {
#ifdef DEBUG
fprintf(stderr, "> `%s` already exists\n", f);
#endif
return RESULT_NO;
} else {
#ifdef DEBUG
fprintf(stderr, "> going to create `%s`\n", f);
#endif
}
fs_split_path(f, parent_path, NULL);
if (fs_isdir(fs, parent_path)) {
if (fs_create(fs, f)) {
#ifdef DEBUG
fprintf(stderr, "> failed to create `%s`\n", f);
#endif
return RESULT_NO;
}
return RESULT_YES;
}
#ifdef DEBUG
fprintf(stderr, "> parent path `%s` is not a directory\n", parent_path);
#endif
return RESULT_NO;
} else if (0 == strcmp("mkdir", command)) {
char d[4096];
char parent_path[4096];
sscanf(line + 5, "%s", d);
if (fs_exists(fs, d)) {
return RESULT_NO;
}
fs_split_path(d, parent_path, NULL);
if (fs_isdir(fs, parent_path)) {
if (fs_mkdir(fs, d)) {
return RESULT_NO;
}
return RESULT_YES;
}
return RESULT_NO;
} else if (0 == strcmp("rm", command)) {
char f[4096];
sscanf(line + 2, "%s", f);
if (fs_isfile(fs, f)) {
if (fs_unlink(fs, f)) {
return RESULT_NO;
}
return RESULT_YES;
}
return RESULT_NO;
} else if (0 == strcmp("cd", command)) {
char path[4096];
sscanf(line + 2, "%s", path);
if (fs_isdir(fs, path)) {
if (fs_chdir(fs, path)) {
return RESULT_NO;
}
return RESULT_YES;
}
#ifdef DEBUG
fprintf(stderr, "`%s` is not a directory\n", path);
#endif
return RESULT_NO;
} else if (0 == strcmp("rmdir", command)) {
char d[4096];
sscanf(line + 5, "%s", d);
if (fs_isdir(fs, d)) {
if (fs_rmdir(fs, d)) {
return RESULT_NO;
}
return RESULT_YES;
}
return RESULT_NO;
} else if (0 == strcmp("ls", command)) {
fs_ls(fs, fp);
return RESULT_ELSE;
} else if (0 == strcmp("cat", command)) {
char f[4096];
sscanf(line + 3, "%s", f);
if (fs_isfile(fs, f)) {
fs_cat(fs, f, fp);
return RESULT_ELSE;
}
return RESULT_NO;
} else if (0 == strcmp("w", command)) {
char f[4096];
int l;
char data[4096];
sscanf(line + 1, "%s %d %[^\n]", f, &l, data);
if (fs_isfile(fs, f)) {
if (fs_write(fs, f, l, data)) {
return RESULT_NO;
}
return RESULT_YES;
}
return RESULT_NO;
} else if (0 == strcmp("i", command)) {
char f[4096];
int pos;
int l;
char data[4096];
sscanf(line + 1, "%s %d %d %[^\n]", f, &pos, &l, data);
if (fs_isfile(fs, f)) {
if (fs_insert(fs, f, pos, l, data)) {
return RESULT_NO;
}
return RESULT_YES;
}
return RESULT_NO;
} else if (0 == strcmp("d", command)) {
char f[4096];
int pos;
int l;
sscanf(line + 1, "%s %d %d", f, &pos, &l);
if (fs_isfile(fs, f)) {
if (fs_delete(fs, f, pos, l)) {
return RESULT_NO;
}
return RESULT_YES;
}
return RESULT_NO;
} else if (0 == strcmp("e", command)) {
return RESULT_EXIT;
}
return RESULT_ELSE;
}
uchar cmd_copyFile(char* from, char* to) {
char buf[16];
uchar e, progress_i=0;
ulong progress;
ulong progress_x, progress_step;
// Открываем исходный файл и получаем его длину
if(e = fs_open(from)) return e;
if(e = fs_getsize()) return e;
// Расчет шага прогресса
set32(&progress_step, &fs_result);
div32_16(&progress_step, 40);
// Интерфейс
drawWindow(" kopirowanie ");
drawWindowText(0, 0, "iz:");
drawWindowText(4, 0, from);
drawWindowText(0, 1, "w:");
drawWindowText(4, 1, to);
drawWindowText(0, 2, "skopirowano / bajt");
drawWindowProgress(0, 3, progress_width, '#');
i2s32(buf, &fs_result, 10, ' ');
drawWindowText(23, 2, buf);
drawEscButton();
// Создаем новый файл
if(e = fs_swap()) return e;
if(e = fs_create(to)) return e;
// Копирование
SET32IMM(&progress, 0);
SET32IMM(&progress_x, 0);
for(;;) {
// Вывод прогресса
i2s32(buf, &progress, 10, ' ');
drawWindowText(12, 2, buf);
// Копирование блока
if(e = fs_swap()) return e;
if(e = fs_read(panelB.files1, 1024) ) return e;
if(fs_low == 0) return 0; // С перезагрузкой файлов
if(e = fs_swap()) return e;
if(e = fs_write(panelB.files1, fs_low)) return e;
// Это недоработка компилятора, Он не поддерживает 32-х битной арифметиики
add32_16(&progress, fs_low);
// Прогресс
add32_16(&progress_x, fs_low);
while(progress_i < progress_width && cmp32_32(&progress_x, &progress_step) != 1) {
sub32_32(&progress_x, &progress_step);
drawWindowText(progress_i, 3, "\x17");
++progress_i;
}
// Прерывание
if(fs_bioskey(1) == KEY_ESC) { e = ERR_USER; break; }
}
// Удалить файл в случае ошибки. Ошибку удаления не обрабатываем.
fs_delete(to);
return e;
}
int main( int argc, char *argv[] )
{
char line[1024];
char cmd[1024];
char arg1[1024];
char arg2[1024];
int result, args;
if(argc!=3) {
printf("use: %s <diskfile> <nblocks>\n",argv[0]);
return 1;
}
if(!disk_init(argv[1],atoi(argv[2]))) {
printf("couldn't initialize %s: %s\n",argv[1],strerror(errno));
return 1;
}
printf("opened emulated disk image %s with %d blocks\n",argv[1],disk_size());
while(1) {
printf(" prompt> ");
fflush(stdout);
if(!fgets(line,sizeof(line),stdin)) break;
if(line[0]=='\n') continue;
line[strlen(line)-1] = 0;
args = sscanf(line,"%s %s %s",cmd,arg1,arg2);
if(args==0) continue;
if(!strcmp(cmd,"format")) {
if(args==1) {
if(!fs_format()) {
printf("disk formatted.\n");
} else {
printf("format failed!\n");
}
} else {
printf("use: format\n");
}
} else if(!strcmp(cmd,"mount")) {
if(args==1) {
if(!fs_mount()) {
printf("disk mounted.\n");
} else {
printf("mount failed!\n");
}
} else {
printf("use: mount\n");
}
} else if(!strcmp(cmd,"debug")) {
if(args==1) {
fs_debug();
} else {
printf("use: debug\n");
}
} else if(!strcmp(cmd,"getsize")) {
if(args==2) {
result = fs_getsize(arg1);
if(result>=0) {
printf("file %s has size %d\n",arg1,result);
} else {
printf("getsize failed!\n");
}
} else {
printf("use: getsize <filename>\n");
}
} else if(!strcmp(cmd,"create")) {
if(args==2) {
result = fs_create(arg1);
if(result==0) {
printf("created file %s\n",arg1);
} else {
printf("create failed!\n");
}
} else {
printf("use: create <filename>\n");
}
} else if(!strcmp(cmd,"delete")) {
if(args==2) {
if(!fs_delete(arg1)) {
printf("file %s deleted.\n",arg1);
} else {
printf("delete failed!\n");
}
} else {
printf("use: delete <filename>\n");
}
} else if(!strcmp(cmd,"cat")) {
if(args==2) {
if(!do_copyout(arg1,"/dev/stdout")) {
printf("cat failed!\n");
}
} else {
printf("use: cat <name>\n");
}
} else if(!strcmp(cmd,"copyin")) {
if(args==3) {
if(do_copyin(arg1,arg2)) {
printf("copied file %s to %s\n",arg1,arg2);
} else {
printf("copy failed!\n");
}
} else {
printf("use: copyin <filename in host system> <filename in fs-miei-02>\n");
}
} else if(!strcmp(cmd,"copyout")) {
if(args==3) {
if(do_copyout(arg1,arg2)) {
printf("copied myfs_file %s to file %s\n", arg1,arg2);
} else {
printf("copy failed!\n");
}
} else {
printf("use: copyout <inumber> <filename>\n");
}
} else if(!strcmp(cmd,"help")) {
printf("Commands are:\n");
printf(" format\n");
printf(" mount\n");
printf(" debug\n");
printf(" create\n");
printf(" delete <filename>\n");
printf(" cat <filename>\n");
printf(" getsize <filename>\n");
printf(" copyin <file name in host system> <miei02-filename>\n");
printf(" copyout <miei02-filename> <file name in host system>\n");
printf(" dump <number_of_block_with_text_contents>\n");
printf(" help\n");
printf(" quit\n");
printf(" exit\n");
} else if(!strcmp(cmd,"quit")) {
break;
} else if(!strcmp(cmd,"exit")) {
break;
} else if (!strcmp(cmd, "dump")){
if(args==2) {
int blNo = atoi(arg1);
printf("Dumping disk block %d\n", blNo);
char b[4096];
disk_read( blNo, b);
printf("------------------------------\n");
printf("%s", b);
printf("\n------------------------------\n");
}
else {
printf("use: dump <block_number>\n");
}
} else {
printf("unknown command: %s\n",cmd);
printf("type 'help' for a list of commands.\n");
result = 1;
}
}
printf("closing emulated disk.\n");
disk_close();
return 0;
}
int main( int argc, char *argv[] )
{
char line[1024];
char cmd[1024];
char arg1[1024];
char arg2[1024];
int inumber, result, args;
if(argc!=3) {
printf("use: %s <diskfile> <nblocks>\n",argv[0]);
return 1;
}
if(!disk_init(argv[1],atoi(argv[2]))) {
printf("couldn't initialize %s: %s\n",argv[1],strerror(errno));
return 1;
}
printf("opened emulated disk image %s with %d blocks\n",argv[1],disk_size());
while(1) {
printf(" prompt> ");
fflush(stdout);
if(!fgets(line,sizeof(line),stdin)) break;
if(line[0]=='\n') continue;
line[strlen(line)-1] = 0;
args = sscanf(line,"%s %s %s",cmd,arg1,arg2);
if(args==0) continue;
if(!strcmp(cmd,"format")) {
if(args==1) {
if(fs_format()) {
printf("disk formatted.\n");
} else {
printf("format failed!\n");
}
} else {
printf("use: format\n");
}
} else if(!strcmp(cmd,"mount")) {
if(args==1) {
if(fs_mount()) {
printf("disk mounted.\n");
} else {
printf("mount failed!\n");
}
} else {
printf("use: mount\n");
}
} else if(!strcmp(cmd,"umount")) {
if(args==1) {
if(fs_umount()) {
printf("disk umounted.\n");
} else {
printf("umount failed!\n");
}
} else {
printf("use: mount\n");
}
} else if(!strcmp(cmd,"debug")) {
if(args==1) {
fs_debug();
} else {
printf("use: debug\n");
}
} else if(!strcmp(cmd,"getsize")) {
if(args==2) {
inumber = atoi(arg1);
result = fs_getsize(inumber);
if(result>=0) {
printf("inode %d has size %d\n",inumber,result);
} else {
printf("getsize failed!\n");
}
} else {
printf("use: getsize <inumber>\n");
}
} else if(!strcmp(cmd,"create")) {
if(args==1) {
inumber = fs_create();
if(inumber>=0) {
printf("created inode %d\n",inumber);
} else {
printf("create failed!\n");
}
} else {
printf("use: create\n");
}
} else if(!strcmp(cmd,"delete")) {
if(args==2) {
inumber = atoi(arg1);
if(fs_delete(inumber)) {
printf("inode %d deleted.\n",inumber);
} else {
printf("delete failed!\n");
}
} else {
printf("use: delete <inumber>\n");
}
} else if(!strcmp(cmd,"cat")) {
if(args==2) {
inumber = atoi(arg1);
if(!do_copyout(inumber,"/dev/stdout")) {
printf("cat failed!\n");
}
} else {
printf("use: cat <inumber>\n");
}
} else if(!strcmp(cmd,"copyin")) {
if(args==3) {
inumber = atoi(arg2);
if(do_copyin(arg1,inumber)) {
printf("copied file %s to inode %d\n",arg1,inumber);
} else {
printf("copy failed!\n");
}
} else {
printf("use: copyin <filename> <inumber>\n");
}
} else if(!strcmp(cmd,"copyout")) {
if(args==3) {
inumber = atoi(arg1);
if(do_copyout(inumber,arg2)) {
printf("copied inode %d to file %s\n",inumber,arg2);
} else {
printf("copy failed!\n");
}
} else {
printf("use: copyout <inumber> <filename>\n");
}
} else if(!strcmp(cmd,"help")) {
printf("Commands are:\n");
printf(" format\n");
printf(" mount\n");
printf(" umount\n");
printf(" debug\n");
printf(" create\n");
printf(" delete <inode>\n");
printf(" getsize <inode>\n");
printf(" cat <inode>\n");
printf(" copyin <file> <inode>\n");
printf(" copyout <inode> <file>\n");
printf(" help\n");
printf(" quit\n");
printf(" exit\n");
} else if(!strcmp(cmd,"quit")) {
break;
} else if(!strcmp(cmd,"exit")) {
break;
} else {
printf("unknown command: %s\n",cmd);
printf("type 'help' for a list of commands.\n");
result = 1;
}
}
printf("closing emulated disk.\n");
disk_close();
return 0;
}