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Diffstat (limited to 'e2fsprogs/old_e2fsprogs/ext2fs/test_io.c')
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/test_io.c380
1 files changed, 0 insertions, 380 deletions
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/test_io.c b/e2fsprogs/old_e2fsprogs/ext2fs/test_io.c
deleted file mode 100644
index 3d40d9a97..000000000
--- a/e2fsprogs/old_e2fsprogs/ext2fs/test_io.c
+++ /dev/null
@@ -1,380 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * test_io.c --- This is the Test I/O interface.
- *
- * Copyright (C) 1996 Theodore Ts'o.
- *
- * %Begin-Header%
- * This file may be redistributed under the terms of the GNU Public
- * License.
- * %End-Header%
- */
-
-#include <stdio.h>
-#include <string.h>
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <fcntl.h>
-#include <time.h>
-#if HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#if HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-#include "ext2_fs.h"
-#include "ext2fs.h"
-
-/*
- * For checking structure magic numbers...
- */
-
-#define EXT2_CHECK_MAGIC(struct, code) \
- if ((struct)->magic != (code)) return (code)
-
-struct test_private_data {
- int magic;
- io_channel real;
- int flags;
- FILE *outfile;
- unsigned long block;
- int read_abort_count, write_abort_count;
- void (*read_blk)(unsigned long block, int count, errcode_t err);
- void (*write_blk)(unsigned long block, int count, errcode_t err);
- void (*set_blksize)(int blksize, errcode_t err);
- void (*write_byte)(unsigned long block, int count, errcode_t err);
-};
-
-static errcode_t test_open(const char *name, int flags, io_channel *channel);
-static errcode_t test_close(io_channel channel);
-static errcode_t test_set_blksize(io_channel channel, int blksize);
-static errcode_t test_read_blk(io_channel channel, unsigned long block,
- int count, void *data);
-static errcode_t test_write_blk(io_channel channel, unsigned long block,
- int count, const void *data);
-static errcode_t test_flush(io_channel channel);
-static errcode_t test_write_byte(io_channel channel, unsigned long offset,
- int count, const void *buf);
-static errcode_t test_set_option(io_channel channel, const char *option,
- const char *arg);
-
-static struct struct_io_manager struct_test_manager = {
- EXT2_ET_MAGIC_IO_MANAGER,
- "Test I/O Manager",
- test_open,
- test_close,
- test_set_blksize,
- test_read_blk,
- test_write_blk,
- test_flush,
- test_write_byte,
- test_set_option
-};
-
-io_manager test_io_manager = &struct_test_manager;
-
-/*
- * These global variable can be set by the test program as
- * necessary *before* calling test_open
- */
-io_manager test_io_backing_manager = 0;
-void (*test_io_cb_read_blk)
- (unsigned long block, int count, errcode_t err) = 0;
-void (*test_io_cb_write_blk)
- (unsigned long block, int count, errcode_t err) = 0;
-void (*test_io_cb_set_blksize)
- (int blksize, errcode_t err) = 0;
-void (*test_io_cb_write_byte)
- (unsigned long block, int count, errcode_t err) = 0;
-
-/*
- * Test flags
- */
-#define TEST_FLAG_READ 0x01
-#define TEST_FLAG_WRITE 0x02
-#define TEST_FLAG_SET_BLKSIZE 0x04
-#define TEST_FLAG_FLUSH 0x08
-#define TEST_FLAG_DUMP 0x10
-#define TEST_FLAG_SET_OPTION 0x20
-
-static void test_dump_block(io_channel channel,
- struct test_private_data *data,
- unsigned long block, const void *buf)
-{
- const unsigned char *cp;
- FILE *f = data->outfile;
- int i;
- unsigned long cksum = 0;
-
- for (i=0, cp = buf; i < channel->block_size; i++, cp++) {
- cksum += *cp;
- }
- fprintf(f, "Contents of block %lu, checksum %08lu:\n", block, cksum);
- for (i=0, cp = buf; i < channel->block_size; i++, cp++) {
- if ((i % 16) == 0)
- fprintf(f, "%04x: ", i);
- fprintf(f, "%02x%c", *cp, ((i % 16) == 15) ? '\n' : ' ');
- }
-}
-
-static void test_abort(io_channel channel, unsigned long block)
-{
- struct test_private_data *data;
- FILE *f;
-
- data = (struct test_private_data *) channel->private_data;
- f = data->outfile;
- test_flush(channel);
-
- fprintf(f, "Aborting due to I/O to block %lu\n", block);
- fflush(f);
- abort();
-}
-
-static errcode_t test_open(const char *name, int flags, io_channel *channel)
-{
- io_channel io = NULL;
- struct test_private_data *data = NULL;
- errcode_t retval;
- char *value;
-
- if (name == 0)
- return EXT2_ET_BAD_DEVICE_NAME;
- retval = ext2fs_get_mem(sizeof(struct struct_io_channel), &io);
- if (retval)
- return retval;
- memset(io, 0, sizeof(struct struct_io_channel));
- io->magic = EXT2_ET_MAGIC_IO_CHANNEL;
- retval = ext2fs_get_mem(sizeof(struct test_private_data), &data);
- if (retval) {
- retval = EXT2_ET_NO_MEMORY;
- goto cleanup;
- }
- io->manager = test_io_manager;
- retval = ext2fs_get_mem(strlen(name)+1, &io->name);
- if (retval)
- goto cleanup;
-
- strcpy(io->name, name);
- io->private_data = data;
- io->block_size = 1024;
- io->read_error = 0;
- io->write_error = 0;
- io->refcount = 1;
-
- memset(data, 0, sizeof(struct test_private_data));
- data->magic = EXT2_ET_MAGIC_TEST_IO_CHANNEL;
- if (test_io_backing_manager) {
- retval = test_io_backing_manager->open(name, flags,
- &data->real);
- if (retval)
- goto cleanup;
- } else
- data->real = 0;
- data->read_blk = test_io_cb_read_blk;
- data->write_blk = test_io_cb_write_blk;
- data->set_blksize = test_io_cb_set_blksize;
- data->write_byte = test_io_cb_write_byte;
-
- data->outfile = NULL;
- if ((value = getenv("TEST_IO_LOGFILE")) != NULL)
- data->outfile = fopen_for_write(value);
- if (!data->outfile)
- data->outfile = stderr;
-
- data->flags = 0;
- if ((value = getenv("TEST_IO_FLAGS")) != NULL)
- data->flags = strtoul(value, NULL, 0);
-
- data->block = 0;
- if ((value = getenv("TEST_IO_BLOCK")) != NULL)
- data->block = strtoul(value, NULL, 0);
-
- data->read_abort_count = 0;
- if ((value = getenv("TEST_IO_READ_ABORT")) != NULL)
- data->read_abort_count = strtoul(value, NULL, 0);
-
- data->write_abort_count = 0;
- if ((value = getenv("TEST_IO_WRITE_ABORT")) != NULL)
- data->write_abort_count = strtoul(value, NULL, 0);
-
- *channel = io;
- return 0;
-
-cleanup:
- ext2fs_free_mem(&io);
- ext2fs_free_mem(&data);
- return retval;
-}
-
-static errcode_t test_close(io_channel channel)
-{
- struct test_private_data *data;
- errcode_t retval = 0;
-
- EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
- data = (struct test_private_data *) channel->private_data;
- EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL);
-
- if (--channel->refcount > 0)
- return 0;
-
- if (data->real)
- retval = io_channel_close(data->real);
-
- if (data->outfile && data->outfile != stderr)
- fclose(data->outfile);
-
- ext2fs_free_mem(&channel->private_data);
- ext2fs_free_mem(&channel->name);
- ext2fs_free_mem(&channel);
- return retval;
-}
-
-static errcode_t test_set_blksize(io_channel channel, int blksize)
-{
- struct test_private_data *data;
- errcode_t retval = 0;
-
- EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
- data = (struct test_private_data *) channel->private_data;
- EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL);
-
- if (data->real)
- retval = io_channel_set_blksize(data->real, blksize);
- if (data->set_blksize)
- data->set_blksize(blksize, retval);
- if (data->flags & TEST_FLAG_SET_BLKSIZE)
- fprintf(data->outfile,
- "Test_io: set_blksize(%d) returned %s\n",
- blksize, retval ? error_message(retval) : "OK");
- channel->block_size = blksize;
- return retval;
-}
-
-
-static errcode_t test_read_blk(io_channel channel, unsigned long block,
- int count, void *buf)
-{
- struct test_private_data *data;
- errcode_t retval = 0;
-
- EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
- data = (struct test_private_data *) channel->private_data;
- EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL);
-
- if (data->real)
- retval = io_channel_read_blk(data->real, block, count, buf);
- if (data->read_blk)
- data->read_blk(block, count, retval);
- if (data->flags & TEST_FLAG_READ)
- fprintf(data->outfile,
- "Test_io: read_blk(%lu, %d) returned %s\n",
- block, count, retval ? error_message(retval) : "OK");
- if (data->block && data->block == block) {
- if (data->flags & TEST_FLAG_DUMP)
- test_dump_block(channel, data, block, buf);
- if (--data->read_abort_count == 0)
- test_abort(channel, block);
- }
- return retval;
-}
-
-static errcode_t test_write_blk(io_channel channel, unsigned long block,
- int count, const void *buf)
-{
- struct test_private_data *data;
- errcode_t retval = 0;
-
- EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
- data = (struct test_private_data *) channel->private_data;
- EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL);
-
- if (data->real)
- retval = io_channel_write_blk(data->real, block, count, buf);
- if (data->write_blk)
- data->write_blk(block, count, retval);
- if (data->flags & TEST_FLAG_WRITE)
- fprintf(data->outfile,
- "Test_io: write_blk(%lu, %d) returned %s\n",
- block, count, retval ? error_message(retval) : "OK");
- if (data->block && data->block == block) {
- if (data->flags & TEST_FLAG_DUMP)
- test_dump_block(channel, data, block, buf);
- if (--data->write_abort_count == 0)
- test_abort(channel, block);
- }
- return retval;
-}
-
-static errcode_t test_write_byte(io_channel channel, unsigned long offset,
- int count, const void *buf)
-{
- struct test_private_data *data;
- errcode_t retval = 0;
-
- EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
- data = (struct test_private_data *) channel->private_data;
- EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL);
-
- if (data->real && data->real->manager->write_byte)
- retval = io_channel_write_byte(data->real, offset, count, buf);
- if (data->write_byte)
- data->write_byte(offset, count, retval);
- if (data->flags & TEST_FLAG_WRITE)
- fprintf(data->outfile,
- "Test_io: write_byte(%lu, %d) returned %s\n",
- offset, count, retval ? error_message(retval) : "OK");
- return retval;
-}
-
-/*
- * Flush data buffers to disk.
- */
-static errcode_t test_flush(io_channel channel)
-{
- struct test_private_data *data;
- errcode_t retval = 0;
-
- EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
- data = (struct test_private_data *) channel->private_data;
- EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL);
-
- if (data->real)
- retval = io_channel_flush(data->real);
-
- if (data->flags & TEST_FLAG_FLUSH)
- fprintf(data->outfile, "Test_io: flush() returned %s\n",
- retval ? error_message(retval) : "OK");
-
- return retval;
-}
-
-static errcode_t test_set_option(io_channel channel, const char *option,
- const char *arg)
-{
- struct test_private_data *data;
- errcode_t retval = 0;
-
- EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
- data = (struct test_private_data *) channel->private_data;
- EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL);
-
-
- if (data->flags & TEST_FLAG_SET_OPTION)
- fprintf(data->outfile, "Test_io: set_option(%s, %s) ",
- option, arg);
- if (data->real && data->real->manager->set_option) {
- retval = (data->real->manager->set_option)(data->real,
- option, arg);
- if (data->flags & TEST_FLAG_SET_OPTION)
- fprintf(data->outfile, "returned %s\n",
- retval ? error_message(retval) : "OK");
- } else {
- if (data->flags & TEST_FLAG_SET_OPTION)
- fprintf(data->outfile, "not implemented\n");
- }
- return retval;
-}
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