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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Chunk I/O
* =========
* Copyright 2018 Eduardo Silva <eduardo@monkey.io>
*
* 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 <sys/stat.h>
#include <fcntl.h>
#include <chunkio/chunkio.h>
#include <chunkio/cio_log.h>
#include <chunkio/cio_scan.h>
#include <chunkio/cio_file.h>
#include <chunkio/cio_memfs.h>
#include <chunkio/cio_meta.h>
#include <chunkio/cio_stream.h>
#include <chunkio/cio_utils.h>
#include "cio_tests_internal.h"
#define CIO_FILE_400KB CIO_TESTS_DATA_PATH "/data/400kb.txt"
#define CIO_FILE_400KB_SIZE 409600
/* Logging callback, once called it just turn on the log_check flag */
static int log_cb(struct cio_ctx *ctx, int level, const char *file, int line,
char *str)
{
(void) ctx;
printf("[cio-test-fs] %-60s => %s:%i\n", str, file, line);
return 0;
}
/* Read a file into the buffer at most 'size' bytes. Return bytes read */
static int read_file(const char *file, char *buf, size_t size)
{
char *p = buf;
size_t total = 0;
ssize_t nb;
int fd = open(file, O_RDONLY);
if (fd == -1)
return -1;
while (1) {
nb = read(fd, p, size);
if (nb == 0)
break;
if (nb < 0) {
close(fd);
return -1;
}
p += nb;
size -= nb;
total += nb;
}
close(fd);
return total;
}
/* Test API generating files to the file system and then scanning them back */
static void test_memfs_write()
{
int i;
int err;
int ret;
int n_files = 100;
int flags;
char *in_data;
size_t in_size;
char tmp[255];
struct cio_ctx *ctx;
struct cio_stream *stream;
struct cio_chunk *chunk;
struct cio_chunk **carr;
struct cio_options cio_opts;
/* Dummy break line for clarity on acutest output */
printf("\n");
flags = CIO_CHECKSUM;
cio_options_init(&cio_opts);
cio_opts.flags = flags;
cio_opts.log_cb = log_cb;
cio_opts.flags = flags;
/* Create main context */
ctx = cio_create(&cio_opts);
TEST_CHECK(ctx != NULL);
/* Try to create a file with an invalid stream */
chunk = cio_chunk_open(ctx, NULL, "invalid", 0, 0, &err);
TEST_CHECK(chunk == NULL);
/* Check invalid stream */
stream = cio_stream_create(ctx, "", CIO_STORE_MEM);
TEST_CHECK(stream == NULL);
/* Another invalid name */
stream = cio_stream_create(ctx, "/", CIO_STORE_MEM);
TEST_CHECK(stream == NULL);
/* Create valid stream */
stream = cio_stream_create(ctx, "test-write", CIO_STORE_MEM);
TEST_CHECK(stream != NULL);
/*
* Load sample data file and with the same content through multiple write
* operations generating other files.
*/
in_size = CIO_FILE_400KB_SIZE;
in_data = malloc(in_size);
if (!in_data) {
perror("calloc");
exit(EXIT_FAILURE);
}
ret = read_file(CIO_FILE_400KB, in_data, in_size);
if (ret == -1) {
cio_destroy(ctx);
exit(EXIT_FAILURE);
}
/* Number of test files to create */
n_files = 100;
/* Allocate files array */
carr = calloc(1, sizeof(struct cio_chunk) * n_files);
if (!carr) {
perror("calloc");
exit(EXIT_FAILURE);
}
for (i = 0; i < n_files; i++) {
snprintf(tmp, sizeof(tmp), "api-test-%04i.txt", i);
carr[i] = cio_chunk_open(ctx, stream, tmp, CIO_OPEN, 1000000, &err);
if (carr[i] == NULL) {
continue;
}
cio_chunk_write(carr[i], in_data, in_size);
cio_chunk_write(carr[i], in_data, in_size);
/* update metadata */
//cio_meta_write(farr[i], tmp, len);
/* continue appending data to content area */
cio_chunk_write(carr[i], in_data, in_size);
cio_chunk_write(carr[i], in_data, in_size);
cio_chunk_write(carr[i], in_data, in_size);
}
/* Release file data and destroy context */
free(carr);
free(in_data);
cio_scan_dump(ctx);
cio_destroy(ctx);
}
TEST_LIST = {
{"memfs_write", test_memfs_write},
{ 0 }
};
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