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#include <unistd.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include "test.h"
#include "storage.h"
#define FILENAME "/tmp/tsnif-storage-mmap.tsnif"
int test_storage_mmap_init(void)
{
int rc = 0;
struct stat st;
struct tsnif_storage_handle handle;
struct tsnif_storage_header_mmap *header;
struct tsnif_storage_opts opts = {
.flags = TSNIF_STORAGE_OPT_WRITE | TSNIF_STORAGE_OPT_WRITE,
.size_max = 1024*1024,
.term_type = 1,
};
TEST_ASSERT(0 == tsnif_storage_init(&handle, &opts, FILENAME), out);
TEST_ASSERT(handle.opts == &opts, out_free);
TEST_ASSERT(handle.opts->chunk_size == sysconf(_SC_PAGESIZE), out_free);
TEST_ASSERT(handle.fd != 0, out_free);
TEST_ASSERT(handle.header != NULL, out_free);
/* header check before when creating new file */
header = handle.header;
TEST_ASSERT(header->common.magic == TSNIF_HEADER_MAGIC, out_free);
TEST_ASSERT(header->common.storage_type == TSNIF_STORAGE_TYPE_MMAP, out_free);
TEST_ASSERT(header->common.term_type == 1, out_free);
TEST_ASSERT(header->common.version == TSNIF_STORAGE_VERSION, out_free);
TEST_ASSERT(header->size_max == opts.size_max, out_free);
out_free:
TEST_ASSERT(0 == tsnif_storage_close(&handle), out);
TEST_ASSERT(0 == stat(FILENAME, &st), out);
TEST_ASSERT(st.st_size == sysconf(_SC_PAGESIZE), out);
out:
unlink(FILENAME);
return rc;
}
int test_storage_mmap_open(void)
{
int rc = 0;
struct tsnif_storage_handle handle;
struct tsnif_storage_header_mmap *header;
struct tsnif_storage_opts opts = {
.flags = TSNIF_STORAGE_OPT_WRITE,
.size_max = 1024*1024,
.term_type = 1,
};
TEST_ASSERT(0 == tsnif_storage_init(&handle, &opts, FILENAME), out);
TEST_ASSERT(0 == tsnif_storage_close(&handle), out);
opts.flags = TSNIF_STORAGE_OPT_READ;
TEST_ASSERT(0 == tsnif_storage_init(&handle, &opts, FILENAME), out);
/* header check before when opening file */
header = handle.header;
TEST_ASSERT(header->common.magic == TSNIF_HEADER_MAGIC, out_free);
TEST_ASSERT(header->common.storage_type == TSNIF_STORAGE_TYPE_MMAP, out_free);
TEST_ASSERT(header->common.term_type == 1, out_free);
TEST_ASSERT(header->common.version == TSNIF_STORAGE_VERSION, out_free);
TEST_ASSERT(header->size_max == opts.size_max, out_free);
TEST_ASSERT(tsnif_storage_term_type(&handle) == 1, out_free);
out_free:
TEST_ASSERT(0 == tsnif_storage_close(&handle), out);
out:
unlink(FILENAME);
return rc;
}
static int get_rec(struct tsnif_storage_rec *rec, char *msg, int i)
{
sprintf(msg, "krava-%i-", i);
memset(rec, 0x0, sizeof(rec));
rec->ptr = msg;
rec->len = strlen(msg);
return 0;
}
int test_storage_mmap_write_single_chunk(void)
{
int rc = 0, i;
struct tsnif_storage_handle handle;
struct tsnif_storage_opts opts = {
.flags = TSNIF_STORAGE_OPT_WRITE | TSNIF_STORAGE_OPT_WRITE,
.size_max = 1024*1024,
};
TEST_ASSERT(0 == tsnif_storage_init(&handle, &opts, FILENAME), out);
for(i = 0; i < 10; i++) {
struct tsnif_storage_chunk *chunk = &handle.active_chunk;
struct tsnif_storage_chunk_header *header;
struct tsnif_storage_rec_mmap *rec_mmap;
uint32_t *index;
off_t offset;
struct tsnif_storage_rec rec;
char msg[15];
int free;
get_rec(&rec, msg, i);
TEST_ASSERT(0 == tsnif_storage_write(&handle, &rec), out_free);
TEST_ASSERT(chunk->header, out_free);
/* check chunk properties */
header = chunk->header;
free = opts.chunk_size -
/* chunk header */
sizeof(struct tsnif_storage_chunk_header) -
(i + 1) *
(
/* record header */
sizeof(struct tsnif_storage_rec_mmap) +
/* record data lenght */
rec.len +
/* index item */
sizeof(uint32_t)
);
TEST_ASSERT(header->cnt == i + 1, out_free);
TEST_ASSERT(header->free == free, out_free);
/* find current record and check it */
index = chunk->current_index;
offset = *(++index);
rec_mmap = (void*) chunk->header + offset;
TEST_ASSERT(rec_mmap->len == rec.len, out_free);
TEST_ASSERT(!memcmp(rec_mmap->data, rec.ptr, rec.len), out_free);
}
TEST_ASSERT(handle.header->offset_start == sysconf(_SC_PAGESIZE), out_free);
TEST_ASSERT(handle.header->cnt == 10, out_free);
out_free:
TEST_ASSERT(0 == tsnif_storage_close(&handle), out);
out:
unlink(FILENAME);
return rc;
}
int test_storage_mmap_write_multi_chunks(void)
{
int rc = 0, i = 0;
struct tsnif_storage_handle handle;
struct tsnif_storage_chunk *chunk = &handle.active_chunk;
struct tsnif_storage_chunk_header *header;
struct tsnif_storage_opts opts = {
.flags = TSNIF_STORAGE_OPT_WRITE | TSNIF_STORAGE_OPT_WRITE,
.size_max = 1024*1024,
};
struct tsnif_storage_rec rec;
char msg[15];
TEST_ASSERT(0 == tsnif_storage_init(&handle, &opts, FILENAME), out);
get_rec(&rec, msg, i++);
if (tsnif_storage_write(&handle, &rec))
TEST_ASSERT(1, out_free);
header = chunk->header;
TEST_ASSERT(header, out_free);
do {
off_t offset_old, offset_new;
int free_threshold = (
/* record header */
sizeof(struct tsnif_storage_rec_mmap) +
/* record data */
rec.len +
/* safety overhead */
+ (4*sizeof(uint32_t)));
get_rec(&rec, msg, i++);
/* get to the chunk end */
if (header->free > free_threshold) {
if (tsnif_storage_write(&handle, &rec))
TEST_ASSERT(1, out_free);
continue;
}
offset_old = chunk->offset;
TEST_ASSERT(0 == tsnif_storage_write(&handle, &rec), out_free);
offset_new = chunk->offset;
TEST_ASSERT(offset_new == (offset_old + opts.chunk_size), out_free);
break;
} while(1);
out_free:
TEST_ASSERT(0 == tsnif_storage_close(&handle), out);
out:
unlink(FILENAME);
return rc;
}
int test_storage_mmap_read_single_chunk(void)
{
int rc = 0, i = 0;
struct tsnif_storage_handle handle;
struct tsnif_storage_opts opts = {
.flags = TSNIF_STORAGE_OPT_WRITE | TSNIF_STORAGE_OPT_WRITE,
.size_max = 1024*1024,
};
struct tsnif_storage_rec rec;
char msg[15];
if (tsnif_storage_init(&handle, &opts, FILENAME))
TEST_ASSERT(1, out);
for(i = 0; i < 10; i++) {
get_rec(&rec, msg, i);
if (tsnif_storage_write(&handle, &rec))
TEST_ASSERT(1, out_free);
}
if (tsnif_storage_close(&handle))
TEST_ASSERT(1, out);
/* READ mode */
opts.flags = TSNIF_STORAGE_OPT_READ | TSNIF_STORAGE_OPT_READ;
opts.size_max = 0;
TEST_ASSERT(0 == tsnif_storage_init(&handle, &opts, FILENAME), out);
for(i = 0; i < 10; i++) {
struct tsnif_storage_rec rec_read;
get_rec(&rec, msg, i);
TEST_ASSERT(0 == tsnif_storage_read(&handle, TSNIF_STORAGE_READ_NEXT, &rec_read), out_free);
TEST_ASSERT(rec.len == rec_read.len, out_free);
TEST_ASSERT(rec.flags == rec_read.flags, out_free);
TEST_ASSERT(!memcmp(rec_read.ptr, rec.ptr, rec.len), out_free);
}
/* there should be no other record */
TEST_ASSERT(TSNIF_STORAGE_READ_EOF == tsnif_storage_read(&handle, TSNIF_STORAGE_READ_NEXT, &rec), out_free);
for(i = 8; i >= 0; i--) {
struct tsnif_storage_rec rec_read;
get_rec(&rec, msg, i);
TEST_ASSERT(0 == tsnif_storage_read(&handle, TSNIF_STORAGE_READ_PREV, &rec_read), out_free);
#if 0
printf("krava:\n");
fwrite(rec_read.ptr, rec_read.len, 1, stdout);
fflush(NULL);
#endif
TEST_ASSERT(rec.len == rec_read.len, out_free);
TEST_ASSERT(rec.flags == rec_read.flags, out_free);
TEST_ASSERT(!memcmp(rec_read.ptr, rec.ptr, rec.len), out_free);
}
/* there should be no other record */
TEST_ASSERT(TSNIF_STORAGE_READ_EOF == tsnif_storage_read(&handle, TSNIF_STORAGE_READ_PREV, &rec), out_free);
out_free:
TEST_ASSERT(0 == tsnif_storage_close(&handle), out);
out:
unlink(FILENAME);
return rc;
}
int test_storage_mmap_read_multi_chunks(void)
{
int rc = 0, i = 0;
struct tsnif_storage_handle handle;
struct tsnif_storage_chunk *chunk = &handle.active_chunk;
struct tsnif_storage_opts opts = {
.flags = TSNIF_STORAGE_OPT_WRITE | TSNIF_STORAGE_OPT_WRITE,
.size_max = 1024*1024,
};
struct tsnif_storage_rec rec;
char msg[15];
int offset = 0;
if (tsnif_storage_init(&handle, &opts, FILENAME))
TEST_ASSERT(1, out_free);
/* write whole chunk of data + one record in 2nd chunk */
do {
get_rec(&rec, msg, i++);
if (tsnif_storage_write(&handle, &rec))
TEST_ASSERT(1, out_free);
if (!offset)
offset = chunk->offset;
} while(chunk->offset == offset);
get_rec(&rec, msg, i++);
if (tsnif_storage_write(&handle, &rec))
TEST_ASSERT(1, out_free);
if (tsnif_storage_close(&handle))
TEST_ASSERT(1, out);
opts.flags = TSNIF_STORAGE_OPT_READ | TSNIF_STORAGE_OPT_READ;
opts.size_max = 0;
TEST_ASSERT(0 == tsnif_storage_init(&handle, &opts, FILENAME), out);
for(i = 0; i < handle.header->cnt; i++) {
struct tsnif_storage_rec rec_read;
get_rec(&rec, msg, i);
TEST_ASSERT(0 == tsnif_storage_read(&handle, TSNIF_STORAGE_READ_NEXT, &rec_read), out_free);
TEST_ASSERT(rec.len == rec_read.len, out_free);
TEST_ASSERT(rec.flags == rec_read.flags, out_free);
TEST_ASSERT(!memcmp(rec_read.ptr, rec.ptr, rec.len), out_free);
}
TEST_ASSERT(TSNIF_STORAGE_READ_EOF == tsnif_storage_read(&handle, TSNIF_STORAGE_READ_NEXT, &rec), out_free);
for(i = handle.header->cnt - 2; i >= 0; i--) {
struct tsnif_storage_rec rec_read;
get_rec(&rec, msg, i);
TEST_ASSERT(0 == tsnif_storage_read(&handle, TSNIF_STORAGE_READ_PREV, &rec_read), out_free);
TEST_ASSERT(rec.len == rec_read.len, out_free);
TEST_ASSERT(rec.flags == rec_read.flags, out_free);
TEST_ASSERT(!memcmp(rec_read.ptr, rec.ptr, rec.len), out_free);
}
out_free:
TEST_ASSERT(0 == tsnif_storage_close(&handle), out);
out:
unlink(FILENAME);
return rc;
}
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