void aio_write_test_data(rbd_image_t image, const char *test_data, uint64_t off, size_t len)
{
rbd_completion_t comp;
rbd_aio_create_completion(NULL, (rbd_callback_t) simple_write_cb, &comp);
printf("created completion\n");
rbd_aio_write(image, off, len, test_data, comp);
printf("started write\n");
rbd_aio_wait_for_complete(comp);
int r = rbd_aio_get_return_value(comp);
printf("return value is: %d\n", r);
assert(r == 0);
printf("finished write\n");
rbd_aio_release(comp);
}
void aio_read_test_data(rbd_image_t image, const char *expected, uint64_t off, size_t len)
{
rbd_completion_t comp;
char *result;
assert((result = malloc(sizeof(result) * (len + 1))) != 0);
rbd_aio_create_completion(NULL, (rbd_callback_t) simple_read_cb, &comp);
printf("created completion\n");
rbd_aio_read(image, off, len, result, comp);
printf("started read\n");
rbd_aio_wait_for_complete(comp);
int r = rbd_aio_get_return_value(comp);
printf("return value is: %d\n", r);
assert(r == (ssize_t)len);
rbd_aio_release(comp);
printf("read: %s\nexpected: %s\n", result, expected);
assert(memcmp(result, expected, len) == 0);
free(result);
}
int main()
{
int ret,len = 0;
rados_t cluster;
char *buf, *out_buf = NULL;
char *pool = "rbd";
char *rbd_name = "vol1";
int fd = -1;
int i = 0;
rados_completion_t read_comp, write_comp;
rbd_image_t rbd_image;
time_t start_t, end_t, total_t = 0;
unsigned char *cipher_key = (unsigned char *) "7190c8bc27ac4a1bbe1ab1cf55cf3b097190c8bc27ac4a1bbe1ab1cf55cf3b09";
unsigned char *iv = (unsigned char *) "dcbfdd41e40f74a2";
ERR_load_crypto_strings();
OpenSSL_add_all_algorithms();
ret = rados_create(&cluster, NULL);
if (ret) {
printf("error creating rados_t object\n");
return -1;
}
ret = rados_conf_read_file(cluster,"/home/shishir/repos/ceph/src/ceph.conf");
if (ret) {
printf("Error reading conf files \n");
return -1;
}
ret = rados_connect(cluster);
if (ret) {
printf("Could not connect to cluster\n");
return -1;
}
rados_ioctx_t io;
ret = rados_ioctx_create(cluster, pool, &io);
if (ret) {
printf("Could not open connection to cluster\n");
return -1;
}
ret = rbd_open(io, rbd_name, &rbd_image, NULL);
if (ret) {
printf("Failed to open image %s\n",rbd_name);
return -1;
}
posix_memalign((void**)&buf, 4096, 65536);
if (!buf) {
printf("Failed to malloc\n");
return -1;
}
fd = open("/tmp/input_file", O_RDONLY);
if (fd > 0) {
read(fd, buf, 65536);
close(fd);
}
posix_memalign((void**)&out_buf, 4096, 65536);
if (!out_buf) {
printf("Failed to malloc\n");
return -1;
}
len = strlen((char*)buf);
//printf("plain text length %lld\n",strlen((char*)buf));
//printf("===========plain text========\n");
//BIO_dump_fp(stdout,(const char*)buf,len);
//printf("=================\n");
start_t = clock();
len = encrypt (buf, strlen((char*)buf), cipher_key, iv, out_buf);
end_t = clock();
total_t = (double)(end_t - start_t)/ CLOCKS_PER_SEC;
//printf("encrypted len is %d timetaken is %fsec\n",len,total_t);
//printf("===========encrypted text========\n");
//BIO_dump_fp(stdout,(const char*)out_buf,len);
//printf("=================\n");
fd = open("/tmp/encrypted_file", O_CREAT|O_RDWR);
if (fd > 0) {
write(fd, out_buf, 65536);
close(fd);
}
ret = rbd_aio_create_completion(NULL, NULL, &write_comp);
if (ret) {
printf ("Failed to create aio completion\n");
return -1;
}
ret = rbd_aio_write(rbd_image, 0, 65536, out_buf, write_comp);
if (ret < 0) {
printf ("Failed to write aio completion\n");
return -1;
}
rbd_aio_wait_for_complete(write_comp);
rbd_aio_release(write_comp);
ret = rbd_aio_create_completion(NULL, NULL, &read_comp);
if (ret) {
printf ("Failed to create aio completion\n");
return -1;
}
memset(buf, 0, 65536);
memset(out_buf, 0, 65536);
ret = rbd_aio_read(rbd_image, 0, 65536, buf, read_comp);
if (ret < 0) {
printf ("Failed to read aio completion\n");
return -1;
}
rbd_aio_wait_for_complete(read_comp);
rbd_aio_release(read_comp);
len=65536;
start_t = clock();
len = decrypt(buf, len, cipher_key, iv, out_buf);
end_t = clock();
total_t = (double)(end_t - start_t)/ CLOCKS_PER_SEC;
//printf("decrypted len is %d time taken: %fs\n",len,total_t);
//printf("===========decrypted text========\n");
//BIO_dump_fp(stdout,(const char*)out_buf,len);
//printf("=================\n");
fd = open("/tmp/decrypted_file", O_CREAT|O_RDWR);
if (fd > 0) {
write(fd, out_buf, 65536);
close(fd);
}
rados_ioctx_destroy(io);
rados_shutdown(cluster);
free(buf);
free(out_buf);
return 0;
}
