Apple-2-Tools
/
apple2pi
mirror of https://github.com/dschmenk/apple2pi.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Raw device access implemented (writes commented out for now)

This commit is contained in:
dschmenk 2013-09-08 17:10:19 -07:00
parent acf71b0084
commit 786e79a756
1 changed files with 286 additions and 69 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

355
src/fusea2pi.c
View File

@ -4,6 +4,7 @@
#include <fcntl.h>
#include <sys/stat.h>
#include <dirent.h>
#include <pthread.h>
#include <errno.h>
#include <sys/time.h>
@ -93,13 +94,25 @@ static unsigned char prodos[32] = {
* Apple II Pi connection.
*/
static int pifd = 0;
/*
* Handy macros.
*/
#define IS_ROOT_DIR(p) (dirlen(p) == 0)
/*
* Cached directory blocks.
*/
#define IS_RAW_DEV(l,p) ((l)==8&&(p)[1]=='s'&&(p)[3]=='d'&&(p)[5]=='.'&&(p)[6]=='p'&&(p)[7]=='o')
#define CACHE_BLOCKS_MAX 16
static char cachepath[128] = "";
static unsigned char cachedata[CACHE_BLOCKS_MAX][512]; /* !!! Is this enough !!! */
static unsigned char volumes[256];
static unsigned int volblks[16];
/*
* Apple II Pi semaphore.
*/
pthread_mutex_t a2pi_busy = PTHREAD_MUTEX_INITIALIZER;
#define A2PI_WAIT pthread_mutex_lock(&a2pi_busy)
#define A2PI_RELEASE pthread_mutex_unlock(&a2pi_busy)
/*
* Filename & date/time conversion routines.
*/
@ -120,7 +133,7 @@ static char *unix_name(unsigned char *pname, int type, int aux, char *uname)
uname = filename;
l = pname[0] & 0x0F;
strncpy(uname, pname + 1, l);
if (type != 0x0F) /* Directory type */
if (type != 0x0F && type < 0x100) /* not Directory/Raw type */
{
uname[l + 0] = '#';
uname[l + 1] = hexchar(type >> 4);
@ -215,7 +228,7 @@ struct stat *unix_stat(struct stat *stbuf, int storage, int access, int blocks,
/*
* ProDOS calls to Apple II Pi.
*/
#if 0
#if 1
static int io_buff_mask = 0;
static int prodos_alloc_io_buff(void)
{
@ -249,12 +262,14 @@ static unsigned int prodos_update_time(void)
char time_buff[4];
time_t now = time(NULL);
struct tm *tm = localtime(&now);
int ptime = prodos_time(tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min);
int result, ptime = prodos_time(tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min);
time_buff[0] = (unsigned char) ptime;
time_buff[1] = (unsigned char) (ptime >> 8);
time_buff[2] = (unsigned char) (ptime >> 16);
time_buff[3] = (unsigned char) (ptime >> 24);
return a2write(pifd, 0xBF90, 4, time_buff);
A2PI_WAIT;
result = a2write(pifd, 0xBF90, 4, time_buff);
A2PI_RELEASE;
}
static int prodos_open(unsigned char *prodos_path, int *io_buff)
@ -262,6 +277,7 @@ static int prodos_open(unsigned char *prodos_path, int *io_buff)
unsigned char refnum;
int result;
A2PI_WAIT;
a2write(pifd, PRODOS_DATA_BUFFER, prodos_path[0] + 1, prodos_path);
if (*io_buff == 0)
{
@ -281,15 +297,17 @@ static int prodos_open(unsigned char *prodos_path, int *io_buff)
if (result == 0)
{
a2read(pifd, PRODOS_PARAM_BUFFER + 5, 1, &refnum);
A2PI_RELEASE;
return refnum;
}
prodos_free_io_buff(*io_buff);
*io_buff = 0;
return -result;
}
prodos_free_io_buff(*io_buff);
else
result = PRODOS_ERR_UNKNOWN;
prodos_free_io_buff(*io_buff);
*io_buff = 0;
return -PRODOS_ERR_UNKNOWN;
A2PI_RELEASE;
return -result;
}
static int prodos_close(int refnum, int *io_buff)
{
@ -304,9 +322,14 @@ static int prodos_close(int refnum, int *io_buff)
prodos[PRODOS_CMD] = PRODOS_CLOSE;
prodos[PRODOS_PARAM_CNT] = 1;
prodos[PRODOS_PARAMS + 1] = refnum;
A2PI_WAIT;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 1, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
return -result;
{
A2PI_RELEASE;
return -result;
}
A2PI_RELEASE;
return -PRODOS_ERR_UNKNOWN;
}
static int prodos_read(int refnum, char *data_buff, int req_xfer)
@ -325,6 +348,7 @@ static int prodos_read(int refnum, char *data_buff, int req_xfer)
prodos[PRODOS_PARAMS + 5] = (unsigned char) (short_req >> 8);
prodos[PRODOS_PARAMS + 6] = 0;
prodos[PRODOS_PARAMS + 7] = 0;
A2PI_WAIT;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 7, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
{
@ -333,16 +357,24 @@ static int prodos_read(int refnum, char *data_buff, int req_xfer)
a2read(pifd, PRODOS_PARAM_BUFFER + 6, 2, prodos + PRODOS_PARAMS + 6);
if ((short_xfer = (unsigned char) prodos[PRODOS_PARAMS + 6] + (unsigned char)prodos[PRODOS_PARAMS + 7] * 256) > 0)
a2read(pifd, PRODOS_DATA_BUFFER, short_xfer, data_buff + total_xfer);
A2PI_RELEASE;
req_xfer -= short_xfer;
total_xfer += short_xfer;
}
else
{
A2PI_RELEASE;
return (result == PRODOS_ERR_EOF || total_xfer) ? total_xfer : -result;
}
}
else
{
A2PI_RELEASE;
return -PRODOS_ERR_UNKNOWN;
}
}
return total_xfer;
A2PI_RELEASE;
return total_xfer;
}
static int prodos_write(int refnum, const char *data_buff, int req_xfer)
{
@ -354,6 +386,7 @@ static int prodos_write(int refnum, const char *data_buff, int req_xfer)
while (req_xfer)
{
short_req = (req_xfer > PRODOS_DATA_BUFFER_LEN) ? PRODOS_DATA_BUFFER_LEN : req_xfer;
A2PI_WAIT;
a2write(pifd, PRODOS_DATA_BUFFER, short_req, (char *)(data_buff + total_xfer));
prodos[PRODOS_PARAMS + 2] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 3] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
@ -368,14 +401,21 @@ static int prodos_write(int refnum, const char *data_buff, int req_xfer)
{
a2read(pifd, PRODOS_PARAM_BUFFER + 6, 2, prodos + PRODOS_PARAMS + 6);
short_xfer = (unsigned char) prodos[PRODOS_PARAMS + 6] + (unsigned char)prodos[PRODOS_PARAMS + 7] * 256;
A2PI_RELEASE;
req_xfer -= short_xfer;
total_xfer += short_xfer;
}
else
{
A2PI_RELEASE;
return -result;
}
}
else
{
A2PI_RELEASE;
return -PRODOS_ERR_UNKNOWN;
}
}
return total_xfer;
}
@ -389,10 +429,12 @@ static int prodos_set_mark(int refnum, int position)
prodos[PRODOS_PARAMS + 2] = (unsigned char) position;
prodos[PRODOS_PARAMS + 3] = (unsigned char) (position >> 8);
prodos[PRODOS_PARAMS + 4] = (unsigned char) (position >> 16);
A2PI_WAIT;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 4, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
return -result;
return -PRODOS_ERR_UNKNOWN;
if (!a2call(pifd, PRODOS_CALL, &result))
result -PRODOS_ERR_UNKNOWN;
A2PI_RELEASE;
return -result;
}
static int prodos_set_eof(int refnum, int position)
{
@ -404,10 +446,12 @@ static int prodos_set_eof(int refnum, int position)
prodos[PRODOS_PARAMS + 2] = (unsigned char) position;
prodos[PRODOS_PARAMS + 3] = (unsigned char) (position >> 8);
prodos[PRODOS_PARAMS + 4] = (unsigned char) (position >> 16);
A2PI_WAIT;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 4, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
return -result;
return -PRODOS_ERR_UNKNOWN;
if (!a2call(pifd, PRODOS_CALL, &result))
result -PRODOS_ERR_UNKNOWN;
A2PI_RELEASE;
return -result;
}
static int prodos_get_eof(int refnum)
{
@ -419,20 +463,24 @@ static int prodos_get_eof(int refnum)
prodos[PRODOS_PARAMS + 2] = 0;
prodos[PRODOS_PARAMS + 3] = 0;
prodos[PRODOS_PARAMS + 4] = 0;
A2PI_WAIT;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 4, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
{
if (result == 0)
{
a2read(pifd, PRODOS_PARAM_BUFFER + 2, 3, prodos + PRODOS_PARAMS + 2);
A2PI_RELEASE;
position = prodos[PRODOS_PARAMS + 2]
+ (prodos[PRODOS_PARAMS + 3] << 8)
+ (prodos[PRODOS_PARAMS + 4] << 16);
return position;
}
return -result;
}
return -PRODOS_ERR_UNKNOWN;
else
result = PRODOS_ERR_UNKNOWN;
A2PI_RELEASE;
return -result;
}
static int prodos_on_line(int unit, char *data_buff)
{
@ -444,20 +492,24 @@ static int prodos_on_line(int unit, char *data_buff)
prodos[PRODOS_PARAMS + 1] = (unsigned char) unit;
prodos[PRODOS_PARAMS + 2] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 3] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
A2PI_WAIT;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 3, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
{
if (result == 0)
a2read(pifd, PRODOS_DATA_BUFFER, (unit == 0) ? 256 : 16, data_buff);
return -result;
}
return -PRODOS_ERR_UNKNOWN;
else
result = PRODOS_ERR_UNKNOWN;
A2PI_RELEASE;
return -result;
}
static int prodos_set_file_info(unsigned char *prodos_path, int access, int type, int aux, int mod, int create)
{
int result;
prodos_update_time();
A2PI_WAIT;
a2write(pifd, PRODOS_DATA_BUFFER, prodos_path[0] + 1, prodos_path);
prodos[PRODOS_CMD] = PRODOS_SET_FILE_INFO;
prodos[PRODOS_PARAM_CNT] = 7;
@ -475,14 +527,16 @@ static int prodos_set_file_info(unsigned char *prodos_path, int access, int type
prodos[PRODOS_PARAMS + 12] = (unsigned char) create;
prodos[PRODOS_PARAMS + 13] = (unsigned char) (create >> 8);
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 13, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
return -result;
return -PRODOS_ERR_UNKNOWN;
if (!a2call(pifd, PRODOS_CALL, &result))
result = PRODOS_ERR_UNKNOWN;
A2PI_RELEASE;
return -result;
}
static int prodos_get_file_info(unsigned char *prodos_path, int *access, int *type, int *aux, int *storage, int *numblks, int *mod, int *create)
{
int result;
A2PI_WAIT;
a2write(pifd, PRODOS_DATA_BUFFER, prodos_path[0] + 1, prodos_path);
prodos[PRODOS_CMD] = PRODOS_GET_FILE_INFO;
prodos[PRODOS_PARAM_CNT] = 10;
@ -525,15 +579,18 @@ static int prodos_get_file_info(unsigned char *prodos_path, int *access, int *ty
+ (prodos[PRODOS_PARAMS + 16] << 16)
+ (prodos[PRODOS_PARAMS + 17] << 24);
}
return -result;
}
return -PRODOS_ERR_UNKNOWN;
else
result = PRODOS_ERR_UNKNOWN;
A2PI_RELEASE;
return -result;
}
static int prodos_rename(unsigned char *from, unsigned char *to)
{
int result;
prodos_update_time();
A2PI_WAIT;
a2write(pifd, PRODOS_DATA_BUFFER, from[0] + 1, from);
a2write(pifd, PRODOS_DATA_BUFFER + 256, to[0] + 1, to);
prodos[PRODOS_CMD] = PRODOS_RENAME;
@ -543,30 +600,34 @@ static int prodos_rename(unsigned char *from, unsigned char *to)
prodos[PRODOS_PARAMS + 3] = (unsigned char) (PRODOS_DATA_BUFFER + 256);
prodos[PRODOS_PARAMS + 4] = (unsigned char) (PRODOS_DATA_BUFFER + 256) >> 8;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 4, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
return -result;
return -PRODOS_ERR_UNKNOWN;
if (!a2call(pifd, PRODOS_CALL, &result))
result = PRODOS_ERR_UNKNOWN;
A2PI_RELEASE;
return -result;
}
static int prodos_destroy(unsigned char *prodos_path)
{
int result;
prodos_update_time();
A2PI_WAIT;
a2write(pifd, PRODOS_DATA_BUFFER, prodos_path[0] + 1, prodos_path);
prodos[PRODOS_CMD] = PRODOS_DESTROY;
prodos[PRODOS_PARAM_CNT] = 1;
prodos[PRODOS_PARAMS + 1] = (unsigned char) PRODOS_DATA_BUFFER;
prodos[PRODOS_PARAMS + 2] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 2, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
return -result;
return -PRODOS_ERR_UNKNOWN;
if (!a2call(pifd, PRODOS_CALL, &result))
result = PRODOS_ERR_UNKNOWN;
A2PI_RELEASE;
return -result;
}
static int prodos_create(unsigned char *prodos_path, char access, char type, int aux, int create)
{
int result;
prodos_update_time();
A2PI_WAIT;
a2write(pifd, PRODOS_DATA_BUFFER, prodos_path[0] + 1, prodos_path);
prodos[PRODOS_CMD] = PRODOS_CREATE;
prodos[PRODOS_PARAM_CNT] = 7;
@ -582,9 +643,10 @@ static int prodos_create(unsigned char *prodos_path, char access, char type, int
prodos[PRODOS_PARAMS + 10] = (unsigned char) (create >> 16);
prodos[PRODOS_PARAMS + 11] = (unsigned char) (create >> 24);
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 11, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
return -result;
return -PRODOS_ERR_UNKNOWN;
if (!a2call(pifd, PRODOS_CALL, &result))
result = PRODOS_ERR_UNKNOWN;
A2PI_RELEASE;
return -result;
}
static int prodos_read_block(int unit, char *data_buff, int block_num)
{
@ -597,21 +659,24 @@ static int prodos_read_block(int unit, char *data_buff, int block_num)
prodos[PRODOS_PARAMS + 3] = (unsigned char) (PRODOS_DATA_BUFFER >> 8);
prodos[PRODOS_PARAMS + 4] = (unsigned char) block_num;
prodos[PRODOS_PARAMS + 5] = (unsigned char) (block_num >> 8);
A2PI_WAIT;
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 5, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
{
if (result == 0)
a2read(pifd, PRODOS_DATA_BUFFER, 512, data_buff);
return -result;
}
return -PRODOS_ERR_UNKNOWN;
else
result = PRODOS_ERR_UNKNOWN;
A2PI_RELEASE;
return -result;
}
static int prodos_write_block(int unit, char *data_buff, int block_num)
static int prodos_write_block(int unit, const char *data_buff, int block_num)
{
int result;
if (a2write(pifd, PRODOS_DATA_BUFFER, 512, data_buff) != 0)
return -PRODOS_ERR_UNKNOWN;
A2PI_WAIT;
a2write(pifd, PRODOS_DATA_BUFFER, 512, (char *)data_buff);
prodos[PRODOS_CMD] = PRODOS_WRITE_BLOCK;
prodos[PRODOS_PARAM_CNT] = 3;
prodos[PRODOS_PARAMS + 1] = (unsigned char) unit;
@ -620,9 +685,10 @@ static int prodos_write_block(int unit, char *data_buff, int block_num)
prodos[PRODOS_PARAMS + 4] = (unsigned char) block_num;
prodos[PRODOS_PARAMS + 5] = (unsigned char) (block_num >> 8);
a2write(pifd, PRODOS_CALL, PRODOS_CALL_LEN + 5, prodos);
if (a2call(pifd, PRODOS_CALL, &result))
return -result;
return -PRODOS_ERR_UNKNOWN;
if (!a2call(pifd, PRODOS_CALL, &result))
result = PRODOS_ERR_UNKNOWN;
A2PI_RELEASE;
return -result;
}
static int prodos_map_errno(int perr)
{
@ -673,29 +739,54 @@ static int prodos_map_errno(int perr)
/*
* FUSE functions.
*/
static int dirlen(const char *path)
{
int dl;
for (dl = strlen(path) - 1; dl >= 0; dl--)
if (path[dl] == '/')
return dl;
return -1;
}
static int cache_get_file_info(const char *path, int *access, int *type, int *aux, int *storage, int *numblks, int *size, int *mod, int *create)
{
char dirpath[128], filename[32];
unsigned char *entry, prodos_name[65], data_buff[512];
int refnum, iblk, entrylen, entriesblk, filecnt, io_buff = 0;
int iscached, i, dl, l = strlen(path);
int iscached, slot, drive, i, dl, l = strlen(path);
for (dl = l - 1; dl; dl--)
if (path[dl] == '/')
break;
if (dl == 0)
if ((dl = dirlen(path)) == 0)
{
/*
* Volume directory
*/
*storage = 0x0F;
*type = 0x0F;
*access = 0xC3;
*aux = 0;
*numblks = 0;
*size = 0;
*mod = 0;
*create = 0;
if (IS_RAW_DEV(l, path))
{
/*
* Raw device.
*/
slot = (path[2] - '0') & 0x07;
drive = (path[4] - '1') & 0x01;
*storage = 0x100;
*type = 0x00;
*access = 0xC3;
*aux = 0;
*numblks = volblks[slot | (drive << 3)];
*size = *numblks*512;
*mod = 0;
*create = 0;
}
else
{
/*
* Volume directory.
*/
*storage = 0x0F;
*type = 0x0F;
*access = 0xC3;
*aux = 0;
*numblks = 0;
*size = 0;
*mod = 0;
*create = 0;
}
}
else
{
@ -854,9 +945,9 @@ static int a2pi_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi)
{
unsigned char data_buff[512], filename[16], *entry;
int storage, access, type, numblks, size, aux, mod, create;
int i, l, iscached, refnum, iblk, entrylen, entriesblk, filecnt, io_buff = 0;
struct stat stentry;
int storage, access, type, blocks, size, aux, mod, create;
int i, l, iscached, slot, drive, refnum, iblk, entrylen, entriesblk, filecnt, io_buff = 0;
struct stat stentry, straw;
(void) offset;
(void) fi;
@ -865,15 +956,32 @@ static int a2pi_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
/*
* Root directory, fill with volume names.
*/
memset(&straw, 0, sizeof(struct stat));
unix_stat(&stentry, 0x0F, 0xC3, 0, 0, 0, 0);
filler(buf, ".", &stentry, 0);
filler(buf, "..", &stentry, 0);
for (i = 0; i < 256; i += 16)
if ((l = volumes[i] & 0x0F))
{
/*
* Add volume directory.
*/
strncpy(filename, volumes + i + 1, l);
filename[l] = '\0';
filler(buf, filename, &stentry, 0);
/*
* Add volume raw device.
*/
slot = (volumes[i] >> 4) & 0x07;
drive = (volumes[i] >> 7) & 0x01;
strcpy(filename, "s0d0.po");
filename[1] = slot + '0';
filename[3] = drive + '1';
straw.st_mode = S_IFREG | 0644;
straw.st_nlink = 1;
straw.st_blocks = volblks[slot | (drive << 3)];
straw.st_size = straw.st_blocks * 512;
filler(buf, filename, &straw, 0);
}
}
else
@ -910,13 +1018,13 @@ static int a2pi_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
type = entry[0x10];
access = entry[0x1E];
aux = entry[0x1F] + entry[0x20] * 256;
numblks = entry[0x13] + entry[0x14] * 256;
blocks = entry[0x13] + entry[0x14] * 256;
size = entry[0x15] + entry[0x16] * 256 + entry[0x17] * 65536;
mod = entry[0x21] | (entry[0x22] << 8)
| (entry[0x23] << 16) | (entry[0x24] << 24);
create = entry[0x18] | (entry[0x19] << 8)
| (entry[0x1A] << 16) | (entry[0x1B] << 24);
filler(buf, unix_name(entry, type, aux, NULL), unix_stat(&stentry, storage, access, numblks, size, mod, create), 0);
filler(buf, unix_name(entry, type, aux, NULL), unix_stat(&stentry, storage, access, blocks, size, mod, create), 0);
entry += entrylen;
filecnt--;
}
@ -946,12 +1054,16 @@ static int a2pi_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
static int a2pi_mkdir(const char *path, mode_t mode)
{
if (IS_ROOT_DIR(path))
return -EACCES;
cachepath[0] = '\0';
return prodos_map_errno(prodos_create(prodos_path(path, NULL, NULL, NULL), 0xE3, 0x0F, 0, 0));
}
static int a2pi_remove(const char *path)
{
if (IS_ROOT_DIR(path))
return -EACCES;
cachepath[0] = '\0';
return prodos_map_errno(prodos_destroy(prodos_path(path, NULL, NULL, NULL)));
}
@ -959,6 +1071,9 @@ static int a2pi_remove(const char *path)
static int a2pi_rename(const char *from, const char *to)
{
unsigned char prodos_from[65], prodos_to[65];
if (IS_ROOT_DIR(from) || IS_ROOT_DIR(to))
return -EACCES;
prodos_path(from, NULL, NULL, prodos_from);
prodos_path(to, NULL, NULL, prodos_to);
cachepath[0] = '\0';
@ -969,6 +1084,8 @@ static int a2pi_chmod(const char *path, mode_t mode)
{
int access, type, aux, storage, size, numblks, mod, create;
if (IS_ROOT_DIR(path))
return -EACCES;
if (cache_get_file_info(path, &access, &type, &aux, &storage, &numblks, &size, &mod, &create) == 0)
{
access = (mode & 0x04) ? 0x01 : 0x00;
@ -983,6 +1100,8 @@ static int a2pi_truncate(const char *path, off_t size)
{
int refnum, io_buff = 0;
if (IS_ROOT_DIR(path))
return -EACCES;
cachepath[0] = '\0';
if ((refnum = prodos_open(prodos_path(path, NULL, NULL, NULL), &io_buff)) > 0)
{
@ -994,8 +1113,19 @@ static int a2pi_truncate(const char *path, off_t size)
static int a2pi_open(const char *path, struct fuse_file_info *fi)
{
int refnum, io_buff = 0;
int slot, drive, refnum, io_buff = 0;
if (IS_ROOT_DIR(path))
{
if (IS_RAW_DEV(strlen(path), path))
{
slot = (path[2] - '0') & 0x07;
drive = (path[4] - '1') & 0x01;
if (volblks[slot | (drive << 3)] > 0)
return 0;
}
return -ENOENT;
}
if ((refnum = prodos_open(prodos_path(path, NULL, NULL, NULL), &io_buff)) > 0)
{
return prodos_map_errno(prodos_close(refnum, &io_buff));
@ -1005,8 +1135,37 @@ static int a2pi_open(const char *path, struct fuse_file_info *fi)
static int a2pi_read(const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi)
{
int refnum, io_buff = 0;
int slot, drive, unit, devsize, blkcnt, iblk, refnum, io_buff = 0;
if (IS_ROOT_DIR(path))
{
if (IS_RAW_DEV(strlen(path), path))
{
slot = (path[2] - '0') & 0x07;
drive = (path[4] - '1') & 0x01;
unit = (slot << 4) | (drive << 7);
devsize = volblks[slot | (drive << 3)] * 512;
if (offset > devsize)
return 0;
if ((offset + size) > devsize)
size = devsize - offset;
if (offset & 0x01FF)
return 0; /* force block aligned reads */
if (size & 0x01FF)
return 0; /* force block sized reads */
blkcnt = size >> 9;
iblk = offset >> 9;
while (blkcnt--)
{
if ((refnum = prodos_read_block(unit, buf, iblk)) < 0)
return prodos_map_errno(refnum);
buf += 512;
iblk++;
}
return size;
}
return -ENOENT;
}
if ((refnum = prodos_open(prodos_path(path, NULL, NULL, NULL), &io_buff)) > 0)
{
if (offset && prodos_set_mark(refnum, offset) == -PRODOS_ERR_EOF)
@ -1023,9 +1182,42 @@ static int a2pi_read(const char *path, char *buf, size_t size, off_t offset, str
static int a2pi_write(const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi)
{
int refnum, io_buff = 0;
int slot, drive, unit, devsize, blkcnt, iblk, refnum, io_buff = 0;
cachepath[0] = '\0';
if (IS_ROOT_DIR(path))
{
#if 0
if (IS_RAW_DEV(strlen(path), path))
{
slot = (path[2] - '0') & 0x07;
drive = (path[4] - '1') & 0x01;
unit = (slot << 4) | (drive << 7);
devsize = volblks[slot | (drive << 3)] * 512;
if (offset > devsize)
return 0;
if ((offset + size) > devsize)
size = devsize - offset;
if (offset & 0x01FF)
return 0; /* force block aligned writes */
if (size & 0x01FF)
return 0; /* force block sized writes */
blkcnt = size >> 9;
iblk = offset >> 9;
while (blkcnt--)
{
if ((refnum = prodos_write_block(unit, buf, iblk)) < 0)
return prodos_map_errno(refnum);
buf += 512;
iblk++;
}
return size;
}
return -ENOENT;
#else
return -EACCES;
#endif
}
if ((refnum = prodos_open(prodos_path(path, NULL, NULL, NULL), &io_buff)) > 0)
{
if (offset)
@ -1038,10 +1230,18 @@ static int a2pi_write(const char *path, const char *buf, size_t size, off_t offs
return prodos_map_errno(refnum);
}
int a2pi_flush(const char *path, struct fuse_file_info *fi)
{
return 0;
}
static int a2pi_create(const char * path, mode_t mode, struct fuse_file_info *fi)
{
unsigned char prodos_name[65];
int refnum, type, aux, io_buff = 0;
if (IS_ROOT_DIR(path))
return -EACCES;
cachepath[0] = '\0';
if ((refnum = prodos_open(prodos_path(path, &type, &aux, prodos_name), &io_buff)) == -PRODOS_ERR_FILE_NOT_FND)
return prodos_map_errno(prodos_create(prodos_name, 0xC3, type, aux, 0));
@ -1110,6 +1310,7 @@ static struct fuse_operations a2pi_oper = {
.open = a2pi_open,
.read = a2pi_read,
.write = a2pi_write,
.flush = a2pi_flush,
.create = a2pi_create,
.statfs = a2pi_statfs,
.utimens = a2pi_utimens,
@ -1117,6 +1318,9 @@ static struct fuse_operations a2pi_oper = {
int main(int argc, char *argv[])
{
int i, l, access, type, aux, storage, size, numblks, mod, create;
char volpath[17];
pifd = a2open("127.0.0.1");
if (pifd < 0)
{
@ -1124,7 +1328,20 @@ int main(int argc, char *argv[])
exit(EXIT_FAILURE);
}
prodos_close(0, NULL);
prodos_on_line(0, volumes);
if (prodos_on_line(0, volumes))
exit(-1);
for (i = 0; i < 256; i += 16)
if ((l = volumes[i] & 0x0F) != 0)
{
/*
* Get volume size.
*/
strncpy(volpath + 2, volumes + i + 1, l);
volpath[0] = l + 1;
volpath[1] = '/';
prodos_get_file_info(volpath, &access, &type, &aux, &storage, &numblks, &mod, &create);
volblks[volumes[i] >> 4] = aux;
}
umask(0);
return fuse_main(argc, argv, &a2pi_oper, NULL);
}