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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/errno.h>
#include <fcntl.h>
#include <ctype.h>
#include <endian.h>
#include "ioshark.h"
char *progname;
struct ioshark_header_old {
int num_files;
int num_io_operations;
};
struct ioshark_file_operation_old {
/* delta us between previous file op and this */
u_int64_t delta_us;
enum file_op file_op;
int fileno;
union {
struct lseek_args_old {
#define lseek_offset_old u.lseek_a.offset
#define lseek_action_old u.lseek_a.action
off_t offset;
int action;
} lseek_a;
struct prw_args_old {
#define prw_offset_old u.prw_a.offset
#define prw_len_old u.prw_a.len
off_t offset;
size_t len;
} prw_a;
#define rw_len_old u.rw_a.len
struct rw_args_old {
size_t len;
} rw_a;
#define mmap_offset_old u.mmap_a.offset
#define mmap_len_old u.mmap_a.len
#define mmap_prot_old u.mmap_a.prot
struct mmap_args_old {
off_t offset;
size_t len;
int prot;
} mmap_a;
#define open_flags_old u.open_a.flags
#define open_mode_old u.open_a.mode
struct open_args_old {
int flags;
mode_t mode;
} open_a;
} u;
};
struct ioshark_file_state_old {
int fileno; /* 1..num_files, with files name ioshark.<fileno> */
size_t size;
int global_filename_ix;
};
void usage(void)
{
fprintf(stderr, "%s in_file out_file\n", progname);
}
int main(int argc, char **argv)
{
FILE *old_fp, *new_fp;
char *infile, *outfile;
struct ioshark_header new_header;
struct ioshark_file_operation new_disk_file_op;
struct ioshark_header_old old_header;
struct ioshark_file_operation_old old_disk_file_op;
struct ioshark_file_state new_file_state;
struct ioshark_file_state_old old_file_state;
struct stat st;
int i;
u_int64_t aggr_old_file_size = 0;
u_int64_t aggr_new_file_size = 0;
progname = argv[0];
if (argc != 3) {
usage();
exit(EXIT_FAILURE);
}
infile = argv[1];
outfile = argv[2];
if (stat(infile, &st) < 0) {
fprintf(stderr, "%s Can't stat %s\n",
progname, infile);
exit(EXIT_FAILURE);
}
if (st.st_size == 0) {
fprintf(stderr, "%s Empty file %s\n",
progname, infile);
exit(EXIT_FAILURE);
}
old_fp = fopen(infile, "r");
if (old_fp == NULL) {
fprintf(stderr, "%s Can't open %s\n",
progname, infile);
exit(EXIT_FAILURE);
}
new_fp = fopen(outfile, "w+");
if (new_fp == NULL) {
fprintf(stderr, "%s Can't open outfile\n",
progname);
exit(EXIT_FAILURE);
}
/* Convert header */
if (fread(&old_header, sizeof(struct ioshark_header_old),
1, old_fp) != 1) {
fprintf(stderr,
"%s Read error Header\n",
progname);
exit(EXIT_FAILURE);
}
new_header.version = IOSHARK_VERSION;
new_header.num_files = old_header.num_files;
new_header.num_io_operations = old_header.num_io_operations;
new_header.version = htobe64(new_header.version);
new_header.num_files = htobe64(new_header.num_files);
new_header.num_io_operations =
htobe64(new_header.num_io_operations);
if (fwrite(&new_header, sizeof(struct ioshark_header),
1, new_fp) != 1) {
fprintf(stderr,
"%s Write error Header\n",
progname);
exit(EXIT_FAILURE);
}
for (i = 0 ; i < old_header.num_files ; i++) {
if (fread(&old_file_state,
sizeof(struct ioshark_file_state_old),
1, old_fp) != 1) {
fprintf(stderr,
"%s Read error file state\n",
progname);
exit(EXIT_FAILURE);
}
new_file_state.fileno = old_file_state.fileno;
new_file_state.size = old_file_state.size;
aggr_old_file_size += old_file_state.size;
new_file_state.global_filename_ix =
old_file_state.global_filename_ix;
new_file_state.fileno = htobe64(new_file_state.fileno);
new_file_state.size = htobe64(new_file_state.size);
aggr_new_file_size += be64toh(new_file_state.size);
new_file_state.global_filename_ix =
htobe64(new_file_state.global_filename_ix);
if (fwrite(&new_file_state,
sizeof(struct ioshark_file_state), 1, new_fp) != 1) {
fprintf(stderr,
"%s Write error file state\n",
progname);
exit(EXIT_FAILURE);
}
}
if (aggr_new_file_size != aggr_old_file_size) {
fprintf(stderr,
"%s Aggr file size mismath %lu != %lu\n",
progname, aggr_new_file_size, aggr_old_file_size);
exit(EXIT_FAILURE);
}
for (i = 0 ; i < old_header.num_io_operations ; i++) {
enum file_op op;
if (fread(&old_disk_file_op,
sizeof(struct ioshark_file_operation_old),
1, old_fp) != 1) {
fprintf(stderr,
"%s Read error file op\n",
progname);
exit(EXIT_FAILURE);
}
op = old_disk_file_op.file_op;
new_disk_file_op.delta_us = old_disk_file_op.delta_us;
new_disk_file_op.delta_us =
htobe64(new_disk_file_op.delta_us);
new_disk_file_op.ioshark_io_op = op;
new_disk_file_op.op_union.enum_size =
htobe32(new_disk_file_op.op_union.enum_size);
new_disk_file_op.fileno = old_disk_file_op.fileno;
new_disk_file_op.fileno = htobe64(new_disk_file_op.fileno);
switch (op) {
case IOSHARK_LSEEK:
case IOSHARK_LLSEEK:
new_disk_file_op.lseek_offset =
old_disk_file_op.lseek_offset_old;
new_disk_file_op.lseek_action =
old_disk_file_op.lseek_action_old;
new_disk_file_op.lseek_offset =
htobe64(new_disk_file_op.lseek_offset);
new_disk_file_op.lseek_action =
htobe32(new_disk_file_op.lseek_action);
break;
case IOSHARK_PREAD64:
case IOSHARK_PWRITE64:
new_disk_file_op.prw_offset =
old_disk_file_op.prw_offset_old;
new_disk_file_op.prw_len =
old_disk_file_op.prw_len_old;
new_disk_file_op.prw_offset =
htobe64(new_disk_file_op.prw_offset);
new_disk_file_op.prw_len =
htobe64(new_disk_file_op.prw_len);
break;
case IOSHARK_READ:
case IOSHARK_WRITE:
new_disk_file_op.rw_len =
old_disk_file_op.rw_len_old;
new_disk_file_op.rw_len =
htobe64(new_disk_file_op.rw_len);
break;
case IOSHARK_MMAP:
case IOSHARK_MMAP2:
new_disk_file_op.mmap_offset =
old_disk_file_op.mmap_offset_old;
new_disk_file_op.mmap_len =
old_disk_file_op.mmap_len_old;
new_disk_file_op.mmap_prot =
old_disk_file_op.mmap_prot;
new_disk_file_op.mmap_offset =
htobe64(new_disk_file_op.mmap_offset);
new_disk_file_op.mmap_len =
htobe64(new_disk_file_op.mmap_len);
new_disk_file_op.mmap_prot =
htobe32(new_disk_file_op.mmap_prot);
break;
case IOSHARK_OPEN:
new_disk_file_op.open_flags =
old_disk_file_op.open_flags_old;
new_disk_file_op.open_mode =
old_disk_file_op.open_mode_old;
new_disk_file_op.open_flags =
htobe32(new_disk_file_op.open_flags);
new_disk_file_op.open_mode =
htobe32(new_disk_file_op.open_mode);
break;
case IOSHARK_FSYNC:
case IOSHARK_FDATASYNC:
break;
case IOSHARK_CLOSE:
break;
default:
fprintf(stderr, "%s: unknown FILE_OP %d\n",
progname, op);
exit(EXIT_FAILURE);
break;
}
if (fwrite(&new_disk_file_op,
sizeof(struct ioshark_file_operation),
1, new_fp) != 1) {
fprintf(stderr,
"%s Write error file op\n",
progname);
exit(EXIT_FAILURE);
}
}
}