/*---------------------------------------------------------------------------*/
hg_class_t *
HG_Test_server_init(int argc, char *argv[], hg_addr_t **addr_table,
unsigned int *addr_table_size, unsigned int *max_number_of_peers,
hg_context_t **context)
{
size_t bulk_size = 1024 * 1024 * MERCURY_TESTING_BUFFER_SIZE;
hg_return_t ret;
hg_test_na_class_g = NA_Test_server_init(argc, argv, NA_FALSE,
&hg_test_addr_name_table_g, &hg_test_addr_table_size_g, max_number_of_peers);
hg_test_na_context_g = NA_Context_create(hg_test_na_class_g);
/* Initalize atomic variable to finalize server */
hg_atomic_set32(&hg_test_finalizing_count_g, 0);
#ifdef MERCURY_TESTING_HAS_THREAD_POOL
hg_thread_mutex_init(&hg_test_local_bulk_handle_mutex_g);
hg_thread_pool_init(MERCURY_TESTING_NUM_THREADS, &hg_test_thread_pool_g);
printf("# Starting server with %d threads...\n", MERCURY_TESTING_NUM_THREADS);
#endif
ret = HG_Hl_init_na(hg_test_na_class_g, hg_test_na_context_g);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not initialize Mercury\n");
goto done;
}
/* Register test routines */
hg_test_register(HG_CLASS_DEFAULT);
/* Create bulk buffer that can be used for receiving data */
HG_Bulk_create(HG_CLASS_DEFAULT, 1, NULL, &bulk_size, HG_BULK_READWRITE,
&hg_test_local_bulk_handle_g);
if (hg_test_addr_table_size_g > 1) {
unsigned int i;
hg_test_addr_table_g = (hg_addr_t *) malloc(hg_test_addr_table_size_g * sizeof(hg_addr_t));
for (i = 0; i < hg_test_addr_table_size_g; i++) {
ret = HG_Hl_addr_lookup_wait(HG_CONTEXT_DEFAULT, HG_REQUEST_CLASS_DEFAULT,
hg_test_addr_name_table_g[i], &hg_test_addr_table_g[i], HG_MAX_IDLE_TIME);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not find addr %s\n", hg_test_addr_name_table_g[i]);
goto done;
}
}
}
if (addr_table) *addr_table = hg_test_addr_table_g;
if (addr_table_size) *addr_table_size = hg_test_addr_table_size_g;
/* Used by CTest Test Driver */
printf("Waiting for client...\n");
fflush(stdout);
if (context) *context = HG_CONTEXT_DEFAULT;
done:
return HG_CLASS_DEFAULT;
}
/*---------------------------------------------------------------------------*/
HG_TEST_RPC_CB(hg_test_bulk_write, handle)
{
struct hg_info *hg_info = NULL;
hg_bulk_t origin_bulk_handle = HG_BULK_NULL;
hg_bulk_t local_bulk_handle = HG_BULK_NULL;
struct hg_test_bulk_args *bulk_args = NULL;
bulk_write_in_t in_struct;
hg_return_t ret = HG_SUCCESS;
int fildes;
hg_op_id_t hg_bulk_op_id;
bulk_args = (struct hg_test_bulk_args *) malloc(
sizeof(struct hg_test_bulk_args));
/* Keep handle to pass to callback */
bulk_args->handle = handle;
/* Get info from handle */
hg_info = HG_Get_info(handle);
/* Get input parameters and data */
ret = HG_Get_input(handle, &in_struct);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not get input\n");
return ret;
}
/* Get parameters */
fildes = in_struct.fildes;
origin_bulk_handle = in_struct.bulk_handle;
bulk_args->nbytes = HG_Bulk_get_size(origin_bulk_handle);
bulk_args->fildes = fildes;
/* Create a new block handle to read the data */
HG_Bulk_create(hg_info->hg_class, 1, NULL, (hg_size_t *) &bulk_args->nbytes,
HG_BULK_READWRITE, &local_bulk_handle);
/* Pull bulk data */
ret = HG_Bulk_transfer(hg_info->context, hg_test_bulk_transfer_cb,
bulk_args, HG_BULK_PULL, hg_info->addr, origin_bulk_handle, 0,
local_bulk_handle, 0, bulk_args->nbytes, &hg_bulk_op_id);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not read bulk data\n");
return ret;
}
/* Test HG_Bulk_Cancel() */
if (fildes < 0) {
ret = HG_Bulk_cancel(hg_bulk_op_id);
if (ret != HG_SUCCESS){
fprintf(stderr, "Could not cancel bulk data\n");
return ret;
}
}
HG_Free_input(handle, &in_struct);
return ret;
}
/**
* The routine that sets up the routines that actually do the work.
* This 'handle' parameter is the only value passed to this callback, but
* Mercury routines allow us to query information about the context in which
* we are called. */
static hg_return_t
snappy_compress_cb(hg_handle_t handle)
{
struct snappy_transfer_args *snappy_transfer_args;
size_t input_length;
snappy_transfer_args = (struct snappy_transfer_args *)
malloc(sizeof(struct snappy_transfer_args));
snappy_transfer_args->handle = handle;
/* Get input parameters sent on origin through on HG_Forward() */
HG_Get_input(handle, &snappy_transfer_args->snappy_compress_input);
/* Now set up the bulk transfer and get the input length */
input_length = HG_Bulk_get_size(
snappy_transfer_args->snappy_compress_input.input_bulk_handle);
/* The bulk 'handle' is basically a pointer, with the addition that 'handle'
* could refer to more than one memory region. */
HG_Bulk_create(HG_Get_info(handle)->hg_bulk_class, 1, NULL, &input_length,
HG_BULK_READWRITE, &snappy_transfer_args->local_input_bulk_handle);
/* Pull data from origin's memory into our own */
/* Another way to do this is via HG_Bulk_access, which would allow mercury,
* if "co-resident" to avoid a copy of data */
HG_Bulk_transfer(HG_Get_info(handle)->bulk_context,
snappy_pull_cb, snappy_transfer_args,
HG_BULK_PULL, HG_Get_info(handle)->addr,
snappy_transfer_args->snappy_compress_input.input_bulk_handle, 0, /* origin */
snappy_transfer_args->local_input_bulk_handle, 0, /* local */
input_length, HG_OP_ID_IGNORE);
return HG_SUCCESS;
}
/*---------------------------------------------------------------------------*/
hg_class_t *
HG_Test_client_init(int argc, char *argv[], hg_addr_t *addr, int *rank,
hg_context_t **context, hg_request_class_t **request_class)
{
char test_addr_name[NA_TEST_MAX_ADDR_NAME];
hg_return_t ret;
hg_test_na_class_g = NA_Test_client_init(argc, argv, test_addr_name,
NA_TEST_MAX_ADDR_NAME, &hg_test_rank_g);
hg_test_na_context_g = NA_Context_create(hg_test_na_class_g);
ret = HG_Hl_init_na(hg_test_na_class_g, hg_test_na_context_g);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not initialize Mercury\n");
goto done;
}
if (na_test_use_self_g) {
size_t bulk_size = 1024 * 1024 * MERCURY_TESTING_BUFFER_SIZE;
/* Self addr */
HG_Addr_self(HG_CLASS_DEFAULT, &hg_test_addr_g);
/* In case of self we need the local thread pool */
#ifdef MERCURY_TESTING_HAS_THREAD_POOL
hg_thread_mutex_init(&hg_test_local_bulk_handle_mutex_g);
hg_thread_pool_init(MERCURY_TESTING_NUM_THREADS, &hg_test_thread_pool_g);
printf("# Starting server with %d threads...\n", MERCURY_TESTING_NUM_THREADS);
#endif
/* Create bulk buffer that can be used for receiving data */
HG_Bulk_create(HG_CLASS_DEFAULT, 1, NULL, &bulk_size, HG_BULK_READWRITE,
&hg_test_local_bulk_handle_g);
} else {
/* Look up addr using port name info */
ret = HG_Hl_addr_lookup_wait(HG_CONTEXT_DEFAULT, HG_REQUEST_CLASS_DEFAULT,
test_addr_name, &hg_test_addr_g, HG_MAX_IDLE_TIME);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not find addr %s\n", test_addr_name);
goto done;
}
}
/* Register routines */
hg_test_register(HG_CLASS_DEFAULT);
/* When finalize is called we need to free the addr etc */
hg_test_is_client_g = HG_TRUE;
if (addr) *addr = hg_test_addr_g;
if (rank) *rank = hg_test_rank_g;
if (context) *context = HG_CONTEXT_DEFAULT;
if (request_class) * request_class = HG_REQUEST_CLASS_DEFAULT;
done:
return HG_CLASS_DEFAULT;
}
static hg_return_t
snappy_pull_cb(const struct hg_bulk_cb_info *hg_bulk_cb_info)
{
struct snappy_transfer_args *snappy_transfer_args =
(struct snappy_transfer_args *) hg_bulk_cb_info->arg;
hg_return_t ret = HG_SUCCESS;
void *input;
size_t input_length;
size_t source_length = HG_Bulk_get_size(snappy_transfer_args->local_input_bulk_handle);
/* Get pointer to input buffer from local handle */
HG_Bulk_access(hg_bulk_cb_info->local_handle, 0, source_length,
HG_BULK_READ_ONLY, 1, &input, &input_length, NULL);
printf("Transferred input buffer of length: %zu\n", input_length);
print_buf(20, (int *) input);
/* Allocate compressed buffer for compressing input data */
snappy_transfer_args->compressed_length = snappy_max_compressed_length(input_length);
snappy_transfer_args->compressed = malloc(snappy_transfer_args->compressed_length);
/* Compress data */
printf("Compressing buffer...\n");
snappy_transfer_args->ret = snappy_compress(input, input_length,
snappy_transfer_args->compressed, &snappy_transfer_args->compressed_length);
printf("Return value of snappy_compress is: %d\n", snappy_transfer_args->ret);
printf("Compressed buffer length is: %zu\n", snappy_transfer_args->compressed_length);
print_buf(5, (int *) snappy_transfer_args->compressed);
/* Free bulk handles */
HG_Bulk_free(snappy_transfer_args->local_input_bulk_handle);
if (snappy_validate_compressed_buffer(snappy_transfer_args->compressed,
snappy_transfer_args->compressed_length) == SNAPPY_OK) {
printf("Compressed buffer validated: compressed successfully\n");
}
/* Now set up bulk transfer for "push to origin" callback */
HG_Bulk_create(HG_Get_info(snappy_transfer_args->handle)->hg_bulk_class, 1,
&snappy_transfer_args->compressed, &snappy_transfer_args->compressed_length,
HG_BULK_WRITE_ONLY, &snappy_transfer_args->local_compressed_bulk_handle);
HG_Bulk_transfer(HG_Get_info(snappy_transfer_args->handle)->bulk_context,
snappy_push_cb, snappy_transfer_args,
HG_BULK_PUSH, HG_Get_info(snappy_transfer_args->handle)->addr,
snappy_transfer_args->snappy_compress_input.compressed_bulk_handle, 0, /* origin */
snappy_transfer_args->local_compressed_bulk_handle, 0, /* local */
snappy_transfer_args->compressed_length, HG_OP_ID_IGNORE);
return ret;
}
/*---------------------------------------------------------------------------*/
HG_TEST_RPC_CB(hg_test_posix_write, handle)
{
hg_return_t ret = HG_SUCCESS;
struct hg_info *hg_info = NULL;
hg_bulk_t origin_bulk_handle = HG_BULK_NULL;
hg_bulk_t local_bulk_handle = HG_BULK_NULL;
struct hg_test_bulk_args *bulk_args = NULL;
bulk_write_in_t in_struct;
bulk_args = (struct hg_test_bulk_args *) malloc(
sizeof(struct hg_test_bulk_args));
/* Keep handle to pass to callback */
bulk_args->handle = handle;
/* Get info from handle */
hg_info = HG_Get_info(handle);
/* Get input struct */
ret = HG_Get_input(handle, &in_struct);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not get input struct\n");
return ret;
}
origin_bulk_handle = in_struct.bulk_handle;
/* Create a new block handle to read the data */
bulk_args->nbytes = HG_Bulk_get_size(origin_bulk_handle);
bulk_args->fildes = in_struct.fildes;
/* Create a new bulk handle to read the data */
HG_Bulk_create(hg_info->hg_class, 1, NULL, (hg_size_t *) &bulk_args->nbytes,
HG_BULK_READWRITE, &local_bulk_handle);
/* Pull bulk data */
ret = HG_Bulk_transfer(hg_info->context, hg_test_posix_write_transfer_cb,
bulk_args, HG_BULK_PULL, hg_info->addr, origin_bulk_handle, 0,
local_bulk_handle, 0, bulk_args->nbytes, HG_OP_ID_IGNORE);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not read bulk data\n");
return ret;
}
HG_Free_input(handle, &in_struct);
return ret;
}
static hg_return_t lookup_cb(const struct hg_cb_info *callback_info)
{
na_addr_t svr_addr = callback_info->info.lookup.addr;
my_rpc_in_t in;
struct hg_info *hgi;
int ret;
struct my_rpc_state *my_rpc_state_p;
assert(callback_info->ret == 0);
/* set up state structure */
my_rpc_state_p = malloc(sizeof(*my_rpc_state_p));
my_rpc_state_p->size = 512;
/* This includes allocating a src buffer for bulk transfer */
my_rpc_state_p->buffer = calloc(1, 512);
assert(my_rpc_state_p->buffer);
sprintf((char*)my_rpc_state_p->buffer, "Hello world!\n");
my_rpc_state_p->value = *((int*)callback_info->arg);
free(callback_info->arg);
/* create create handle to represent this rpc operation */
hg_engine_create_handle(svr_addr, my_rpc_id, &my_rpc_state_p->handle);
/* register buffer for rdma/bulk access by server */
hgi = HG_Get_info(my_rpc_state_p->handle);
assert(hgi);
ret = HG_Bulk_create(hgi->hg_class, 1, &my_rpc_state_p->buffer, &my_rpc_state_p->size,
HG_BULK_READ_ONLY, &in.bulk_handle);
my_rpc_state_p->bulk_handle = in.bulk_handle;
assert(ret == 0);
/* Send rpc. Note that we are also transmitting the bulk handle in the
* input struct. It was set above.
*/
in.input_val = my_rpc_state_p->value;
ret = HG_Forward(my_rpc_state_p->handle, my_rpc_cb, my_rpc_state_p, &in);
assert(ret == 0);
(void)ret;
return(NA_SUCCESS);
}
/* HG_svrec_add_ult() -- handler
*/
void HG_svrec_add_ult(hg_handle_t h) {
int ret;
sv_rec_remove_in_t in;
sv_rec_remove_out_t out;
struct hg_info *hgi;
margo_instance_id mid;
hg_size_t sz;
hg_bulk_t lbh; /* local bulk handle */
void *p;
ret = HG_Get_input(h, &in);
assert(ret == HG_SUCCESS);
hgi = HG_Get_info(h);
mid = margo_hg_class_to_instance(hgi->hg_class);
assert(rec_list != NULL);
assert(rec_ct < rec_list_sz);
p = &rec_list[rec_ct];
sz = sizeof(hg_sv_rec_t);
ret = HG_Bulk_create(hgi->hg_class, 1, (void **) &p, &sz,
HG_BULK_READWRITE, &lbh);
assert(ret == HG_SUCCESS);
ret = margo_bulk_transfer(mid, HG_BULK_PULL, hgi->addr, in.b, 0,
lbh, 0, sz);
assert(!ret);
printf(" added %s\n", rec_list[rec_ct].addr);
rec_ct++;
out.ret = 0;
ret = margo_respond(mid, h, &out);
assert(!ret);
ret = HG_Destroy(h);
assert(ret == HG_SUCCESS);
return;
}
int main(int argc, char *argv[])
{
hg_class_t *hg_class = NULL;
hg_context_t *context = NULL;
hg_request_class_t *request_class = NULL;
hg_request_t *request = NULL;
hg_handle_t handle;
hg_addr_t addr;
bulk_write_in_t bulk_write_in_struct;
int fildes = 12345;
int *bulk_buf = NULL;
void *buf_ptr[1];
size_t count = (1024 * 1024 * MERCURY_TESTING_BUFFER_SIZE) / sizeof(int);
size_t bulk_size = count * sizeof(int);
hg_bulk_t bulk_handle = HG_BULK_NULL;
hg_return_t hg_ret;
size_t i;
/* Prepare bulk_buf */
bulk_buf = (int*) malloc(bulk_size);
for (i = 0; i < count; i++) {
bulk_buf[i] = i;
}
*buf_ptr = bulk_buf;
/* Initialize the interface (for convenience, shipper_test_client_init
* initializes the network interface with the selected plugin)
*/
hg_class = HG_Test_client_init(argc, argv, &addr, NULL, &context,
&request_class);
request = hg_request_create(request_class);
hg_ret = HG_Create(context, addr, hg_test_bulk_write_id_g, &handle);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not start call\n");
return EXIT_FAILURE;
}
/* Register memory */
hg_ret = HG_Bulk_create(hg_class, 1, buf_ptr, &bulk_size,
HG_BULK_READ_ONLY, &bulk_handle);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not create bulk data handle\n");
return EXIT_FAILURE;
}
/* Fill input structure */
bulk_write_in_struct.fildes = fildes;
bulk_write_in_struct.bulk_handle = bulk_handle;
/* Forward call to remote addr and get a new request */
printf("Forwarding bulk_write, op id: %u...\n", hg_test_bulk_write_id_g);
hg_ret = HG_Forward(handle, hg_test_bulk_forward_cb, request,
&bulk_write_in_struct);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not forward call\n");
return EXIT_FAILURE;
}
hg_request_wait(request, HG_MAX_IDLE_TIME, NULL);
/* Free memory handle */
hg_ret = HG_Bulk_free(bulk_handle);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not free bulk data handle\n");
return EXIT_FAILURE;
}
/* Complete */
hg_ret = HG_Destroy(handle);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not complete\n");
return EXIT_FAILURE;
}
hg_request_destroy(request);
HG_Test_finalize(hg_class);
/* Free bulk data */
free(bulk_buf);
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
hg_class_t *hg_class = NULL;
hg_context_t *context = NULL;
hg_request_class_t *request_class = NULL;
hg_request_t *request = NULL;
hg_handle_t handle;
hg_addr_t addr;
bulk_write_in_t bulk_write_in_struct;
int fildes = 12345;
void **bulk_buf;
size_t *bulk_sizes;
size_t bulk_size = 1024 * 1024 * MERCURY_TESTING_BUFFER_SIZE / sizeof(int);
size_t bulk_size_x = 16;
size_t bulk_size_y = 0;
size_t *bulk_size_y_var = NULL;
hg_bulk_t bulk_handle = HG_BULK_NULL;
hg_return_t hg_ret;
size_t i, j;
/* Initialize the interface (for convenience, shipper_test_client_init
* initializes the network interface with the selected plugin)
*/
hg_class = HG_Test_client_init(argc, argv, &addr, NULL, &context,
&request_class);
request = hg_request_create(request_class);
hg_ret = HG_Create(context, addr, hg_test_bulk_seg_write_id_g, &handle);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not start call\n");
return EXIT_FAILURE;
}
/* This will create a list of variable size segments */
if (na_test_use_variable_g) {
printf("Using variable size segments!\n");
/* bulk_size_x >= 2 */
/* 524288 + 262144 + 131072 + 65536 + 32768 + 16384 + 8192 + 8192 */
bulk_size_x = 8;
bulk_size_y_var = (size_t*) malloc(bulk_size_x * sizeof(size_t));
bulk_size_y_var[0] = bulk_size / 2;
for (i = 1; i < bulk_size_x - 1; i++) {
bulk_size_y_var[i] = bulk_size_y_var[i-1] / 2;
}
bulk_size_y_var[bulk_size_x - 1] = bulk_size_y_var[bulk_size_x - 2];
}
/* This will use an extra encoding buffer */
else if (na_test_use_extra_g) {
printf("Using large number of segments!\n");
bulk_size_x = 1024;
bulk_size_y = bulk_size / bulk_size_x;
}
else {
/* This will create a list of fixed size segments */
bulk_size_y = bulk_size / bulk_size_x;
}
/* Prepare bulk_buf */
bulk_buf = (void **) malloc(bulk_size_x * sizeof(void *));
bulk_sizes = (size_t *) malloc(bulk_size_x * sizeof(size_t));
if (bulk_size_y_var) {
int val = 0;
for (i = 0; i < bulk_size_x; i++) {
bulk_sizes[i] = bulk_size_y_var[i] * sizeof(int);
bulk_buf[i] = malloc(bulk_sizes[i]);
for (j = 0; j < bulk_size_y_var[i]; j++) {
((int **) (bulk_buf))[i][j] = val;
val++;
}
}
} else {
for (i = 0; i < bulk_size_x; i++) {
bulk_sizes[i] = bulk_size_y * sizeof(int);
bulk_buf[i] = malloc(bulk_sizes[i]);
for (j = 0; j < bulk_size_y; j++) {
((int **) (bulk_buf))[i][j] = i * bulk_size_y + j;
}
}
}
/* Register memory */
hg_ret = HG_Bulk_create(hg_class, bulk_size_x, bulk_buf, bulk_sizes,
HG_BULK_READ_ONLY, &bulk_handle);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not create bulk data handle\n");
return EXIT_FAILURE;
}
free(bulk_sizes);
bulk_sizes = NULL;
if (bulk_size_y_var) free(bulk_size_y_var);
bulk_size_y_var = NULL;
/* Fill input structure */
bulk_write_in_struct.fildes = fildes;
bulk_write_in_struct.bulk_handle = bulk_handle;
/* Forward call to remote addr and get a new request */
printf("Forwarding bulk_write, op id: %u...\n", hg_test_bulk_seg_write_id_g);
hg_ret = HG_Forward(handle, hg_test_bulk_seg_forward_cb, request,
&bulk_write_in_struct);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not forward call\n");
return EXIT_FAILURE;
}
hg_request_wait(request, HG_MAX_IDLE_TIME, NULL);
/* Free memory handle */
hg_ret = HG_Bulk_free(bulk_handle);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not free bulk data handle\n");
return EXIT_FAILURE;
}
/* Complete */
hg_ret = HG_Destroy(handle);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not complete\n");
return EXIT_FAILURE;
}
hg_request_destroy(request);
HG_Test_finalize(hg_class);
/* Free bulk_buf */
for (i = 0; i < bulk_size_x; i++) {
free(bulk_buf[i]);
bulk_buf[i] = NULL;
}
free(bulk_buf);
bulk_buf = NULL;
return EXIT_SUCCESS;
}
/*---------------------------------------------------------------------------*/
HG_TEST_RPC_CB(hg_test_posix_read, handle)
{
hg_return_t ret = HG_SUCCESS;
struct hg_info *hg_info = NULL;
hg_bulk_t origin_bulk_handle = HG_BULK_NULL;
hg_bulk_t local_bulk_handle = HG_BULK_NULL;
struct hg_test_bulk_args *bulk_args = NULL;
bulk_write_in_t in_struct;
void *buf;
ssize_t read_ret;
/* for debug */
int i;
const int *buf_ptr;
bulk_args = (struct hg_test_bulk_args *) malloc(
sizeof(struct hg_test_bulk_args));
/* Keep handle to pass to callback */
bulk_args->handle = handle;
/* Get info from handle */
hg_info = HG_Get_info(handle);
/* Get input struct */
ret = HG_Get_input(handle, &in_struct);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not get input struct\n");
return ret;
}
origin_bulk_handle = in_struct.bulk_handle;
/* Create a new block handle to read the data */
bulk_args->nbytes = HG_Bulk_get_size(origin_bulk_handle);
bulk_args->fildes = in_struct.fildes;
/* Create a new bulk handle to read the data */
HG_Bulk_create(hg_info->hg_class, 1, NULL, (hg_size_t *) &bulk_args->nbytes,
HG_BULK_READ_ONLY, &local_bulk_handle);
/* Call bulk_write */
HG_Bulk_access(local_bulk_handle, 0, bulk_args->nbytes, HG_BULK_READWRITE,
1, &buf, NULL, NULL);
printf("Calling read with fd: %d\n", in_struct.fildes);
read_ret = read(in_struct.fildes, buf, bulk_args->nbytes);
/* Check bulk buf */
buf_ptr = (const int*) buf;
for (i = 0; i < (int)(bulk_args->nbytes / sizeof(int)); i++) {
if (buf_ptr[i] != i) {
printf("Error detected after read, buf[%d] = %d, was expecting %d!\n", i, buf_ptr[i], i);
break;
}
}
/* Fill output structure */
bulk_args->ret = read_ret;
/* Push bulk data */
ret = HG_Bulk_transfer(hg_info->context, hg_test_posix_read_transfer_cb,
bulk_args, HG_BULK_PUSH, hg_info->addr, origin_bulk_handle, 0,
local_bulk_handle, 0, bulk_args->nbytes, HG_OP_ID_IGNORE);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not read bulk data\n");
return ret;
}
HG_Free_input(handle, &in_struct);
return ret;
}
/*---------------------------------------------------------------------------*/
HG_TEST_RPC_CB(hg_test_bulk_seg_write, handle)
{
struct hg_info *hg_info = NULL;
hg_bulk_t origin_bulk_handle = HG_BULK_NULL;
hg_bulk_t local_bulk_handle = HG_BULK_NULL;
struct hg_test_bulk_args *bulk_args = NULL;
size_t nbytes_read;
size_t offset;
hg_return_t ret = HG_SUCCESS;
bulk_write_in_t in_struct;
bulk_args = (struct hg_test_bulk_args *) malloc(
sizeof(struct hg_test_bulk_args));
/* Keep handle to pass to callback */
bulk_args->handle = handle;
/* Get info from handle */
hg_info = HG_Get_info(handle);
/* Get input parameters and data */
ret = HG_Get_input(handle, &in_struct);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not get input\n");
return ret;
}
/* Get parameters */
origin_bulk_handle = in_struct.bulk_handle;
hg_atomic_set32(&bulk_args->completed_transfers, 0);
/* Create a new block handle to read the data */
bulk_args->nbytes = HG_Bulk_get_size(origin_bulk_handle);
bulk_args->fildes = in_struct.fildes;
/* For testing purposes try to read the data in two blocks of different sizes */
nbytes_read = bulk_args->nbytes / 2 + 16;
printf("Start reading first chunk of %lu bytes...\n", nbytes_read);
/* Create a new bulk handle to read the data */
HG_Bulk_create(hg_info->hg_class, 1, NULL, (hg_size_t *) &bulk_args->nbytes,
HG_BULK_READWRITE, &local_bulk_handle);
/* Pull bulk data */
ret = HG_Bulk_transfer(hg_info->context, hg_test_bulk_seg_transfer_cb,
bulk_args, HG_BULK_PULL, hg_info->addr, origin_bulk_handle, 0,
local_bulk_handle, 0, nbytes_read, HG_OP_ID_IGNORE);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not read bulk data\n");
return ret;
}
offset = nbytes_read;
nbytes_read = bulk_args->nbytes - nbytes_read;
printf("Start reading second chunk of %lu bytes...\n", nbytes_read);
ret = HG_Bulk_transfer(hg_info->context, hg_test_bulk_seg_transfer_cb,
bulk_args, HG_BULK_PULL, hg_info->addr, origin_bulk_handle, offset,
local_bulk_handle, offset, nbytes_read, HG_OP_ID_IGNORE);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not read bulk data\n");
return ret;
}
HG_Free_input(handle, &in_struct);
return ret;
}
static hg_return_t
measure_bulk_transfer(struct hg_test_info *hg_test_info, size_t total_size,
unsigned int nhandles)
{
bulk_write_in_t in_struct;
char *bulk_buf;
void **buf_ptrs;
size_t *buf_sizes;
hg_bulk_t bulk_handle = HG_BULK_NULL;
size_t nbytes = total_size;
double nmbytes = (double) total_size / (1024 * 1024);
size_t loop = (total_size > LARGE_SIZE) ? MERCURY_TESTING_MAX_LOOP :
MERCURY_TESTING_MAX_LOOP * 10;
size_t skip = (total_size > LARGE_SIZE) ? LARGE_SKIP : SMALL_SKIP;
hg_handle_t *handles = NULL;
hg_request_t *request;
struct hg_test_perf_args args;
size_t avg_iter;
double time_read = 0, read_bandwidth;
hg_return_t ret = HG_SUCCESS;
size_t i;
/* Prepare bulk_buf */
bulk_buf = malloc(nbytes);
for (i = 0; i < nbytes; i++)
bulk_buf[i] = 1;
buf_ptrs = (void **) &bulk_buf;
buf_sizes = &nbytes;
/* Create handles */
handles = malloc(nhandles * sizeof(hg_handle_t));
for (i = 0; i < nhandles; i++) {
ret = HG_Create(hg_test_info->context, hg_test_info->target_addr,
hg_test_perf_bulk_read_id_g, &handles[i]);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not start call\n");
goto done;
}
}
request = hg_request_create(hg_test_info->request_class);
hg_atomic_init32(&args.op_completed_count, 0);
args.op_count = nhandles;
args.request = request;
/* Register memory */
ret = HG_Bulk_create(hg_test_info->hg_class, 1, buf_ptrs,
(hg_size_t *) buf_sizes, HG_BULK_READWRITE, &bulk_handle);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not create bulk data handle\n");
goto done;
}
/* Fill input structure */
in_struct.fildes = 0;
in_struct.bulk_handle = bulk_handle;
/* Warm up for bulk data */
for (i = 0; i < skip; i++) {
unsigned int j;
for (j = 0; j < nhandles; j++) {
ret = HG_Forward(handles[j], hg_test_perf_forward_cb, &args, &in_struct);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not forward call\n");
goto done;
}
}
hg_request_wait(request, HG_MAX_IDLE_TIME, NULL);
hg_request_reset(request);
hg_atomic_set32(&args.op_completed_count, 0);
}
NA_Test_barrier(&hg_test_info->na_test_info);
/* Bulk data benchmark */
for (avg_iter = 0; avg_iter < loop; avg_iter++) {
hg_time_t t1, t2;
unsigned int j;
hg_time_get_current(&t1);
for (j = 0; j < nhandles; j++) {
ret = HG_Forward(handles[j], hg_test_perf_forward_cb, &args, &in_struct);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not forward call\n");
goto done;
}
}
hg_request_wait(request, HG_MAX_IDLE_TIME, NULL);
NA_Test_barrier(&hg_test_info->na_test_info);
hg_time_get_current(&t2);
time_read += hg_time_to_double(hg_time_subtract(t2, t1));
hg_request_reset(request);
hg_atomic_set32(&args.op_completed_count, 0);
#ifdef MERCURY_TESTING_PRINT_PARTIAL
read_bandwidth = nmbytes
* (double) (nhandles * (avg_iter + 1) *
(unsigned int) hg_test_info->na_test_info.mpi_comm_size)
/ time_read;
/* At this point we have received everything so work out the bandwidth */
if (hg_test_info->na_test_info.mpi_comm_rank == 0)
fprintf(stdout, "%-*d%*.*f\r", 10, (int) nbytes, NWIDTH,
NDIGITS, read_bandwidth);
#endif
#ifdef MERCURY_TESTING_HAS_VERIFY_DATA
for (i = 0; i < nbytes; i++) {
if (bulk_buf[i] != (char) i) {
printf("Error detected in bulk transfer, buf[%d] = %d, "
"was expecting %d!\n", (int) i, (char) bulk_buf[i],
(char) i);
break;
}
}
#endif
}
#ifndef MERCURY_TESTING_PRINT_PARTIAL
read_bandwidth = nmbytes
* (double) (nhandles * loop *
(unsigned int) hg_test_info->na_test_info.mpi_comm_size)
/ time_read;
/* At this point we have received everything so work out the bandwidth */
if (hg_test_info->na_test_info.mpi_comm_rank == 0)
fprintf(stdout, "%-*d%*.*f", 10, (int) nbytes, NWIDTH, NDIGITS,
read_bandwidth);
#endif
if (hg_test_info->na_test_info.mpi_comm_rank == 0) fprintf(stdout, "\n");
/* Free memory handle */
ret = HG_Bulk_free(bulk_handle);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not free bulk data handle\n");
goto done;
}
/* Complete */
hg_request_destroy(request);
for (i = 0; i < nhandles; i++) {
ret = HG_Destroy(handles[i]);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not complete\n");
goto done;
}
}
done:
free(bulk_buf);
free(handles);
return ret;
}
static hg_return_t
measure_bulk_transfer(hg_class_t *hg_class, hg_context_t *context,
na_addr_t addr, hg_request_class_t *request_class)
{
bulk_write_in_t in_struct;
int *bulk_buf;
void *buf_ptr[1];
size_t count = (1024 * 1024 * MERCURY_TESTING_BUFFER_SIZE) / sizeof(int);
hg_bulk_t bulk_handle = HG_BULK_NULL;
size_t nbytes;
double nmbytes;
hg_handle_t handle;
int avg_iter;
double time_read = 0, min_time_read = 0, max_time_read = 0;
struct hg_info *hg_info = NULL;
hg_return_t ret = HG_SUCCESS;
size_t i;
/* Prepare bulk_buf */
nbytes = count * sizeof(int);
nmbytes = (double) nbytes / (1024 * 1024);
if (na_test_comm_rank_g == 0) {
printf("# Reading Bulk Data (%f MB) with %d client(s) -- loop %d time(s)\n",
nmbytes, na_test_comm_size_g, MERCURY_TESTING_MAX_LOOP);
}
bulk_buf = (int *) malloc(nbytes);
for (i = 0; i < count; i++) {
bulk_buf[i] = (int) i;
}
*buf_ptr = bulk_buf;
ret = HG_Create(hg_class, context, addr, hg_test_perf_bulk_id_g,
&handle);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not start call\n");
goto done;
}
/* Must get info to retrieve bulk class if not provided by user */
hg_info = HG_Get_info(handle);
/* Register memory */
ret = HG_Bulk_create(hg_info->hg_bulk_class, 1, buf_ptr, &nbytes,
HG_BULK_READ_ONLY, &bulk_handle);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not create bulk data handle\n");
goto done;
}
/* Fill input structure */
in_struct.fildes = 0;
in_struct.bulk_handle = bulk_handle;
if (na_test_comm_rank_g == 0) printf("# Warming up...\n");
/* Warm up for bulk data */
for (i = 0; i < BULK_SKIP; i++) {
hg_request_t *request;
request = hg_request_create(request_class);
ret = HG_Forward(handle, hg_test_perf_forward_cb, request, &in_struct);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not forward call\n");
goto done;
}
hg_request_wait(request, HG_MAX_IDLE_TIME, NULL);
hg_request_destroy(request);
}
NA_Test_barrier();
if (na_test_comm_rank_g == 0) printf("%*s%*s%*s%*s%*s%*s",
10, "# Time (s)", 10, "Min (s)", 10, "Max (s)",
12, "BW (MB/s)", 12, "Min (MB/s)", 12, "Max (MB/s)");
if (na_test_comm_rank_g == 0) printf("\n");
/* Bulk data benchmark */
for (avg_iter = 0; avg_iter < MERCURY_TESTING_MAX_LOOP; avg_iter++) {
hg_request_t *request;
hg_time_t t1, t2;
double td, part_time_read;
double read_bandwidth, min_read_bandwidth, max_read_bandwidth;
request = hg_request_create(request_class);
hg_time_get_current(&t1);
ret = HG_Forward(handle, hg_test_perf_forward_cb, request, &in_struct);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not forward call\n");
goto done;
}
hg_request_wait(request, HG_MAX_IDLE_TIME, NULL);
NA_Test_barrier();
hg_time_get_current(&t2);
td = hg_time_to_double(hg_time_subtract(t2, t1));
time_read += td;
if (!min_time_read) min_time_read = time_read;
min_time_read = (td < min_time_read) ? td : min_time_read;
max_time_read = (td > max_time_read) ? td : max_time_read;
hg_request_destroy(request);
part_time_read = time_read / (avg_iter + 1);
read_bandwidth = nmbytes * na_test_comm_size_g / part_time_read;
min_read_bandwidth = nmbytes * na_test_comm_size_g / max_time_read;
max_read_bandwidth = nmbytes * na_test_comm_size_g / min_time_read;
/* At this point we have received everything so work out the bandwidth */
if (na_test_comm_rank_g == 0) {
printf("%*f%*f%*f%*.*f%*.*f%*.*f\r",
10, part_time_read, 10, min_time_read, 10, max_time_read,
12, 2, read_bandwidth, 12, 2, min_read_bandwidth, 12, 2,
max_read_bandwidth);
}
}
if (na_test_comm_rank_g == 0) printf("\n");
/* Free memory handle */
ret = HG_Bulk_free(bulk_handle);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not free bulk data handle\n");
goto done;
}
/* Free bulk data */
free(bulk_buf);
/* Complete */
ret = HG_Destroy(handle);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not complete\n");
goto done;
}
done:
return ret;
}
int main(int argc, char *argv[])
{
struct hg_test_info hg_test_info = { 0 };
hg_request_t *request = NULL;
hg_handle_t handle;
bulk_write_in_t bulk_write_in_struct;
int fildes = 12345;
int *bulk_buf = NULL;
void *buf_ptrs[2];
size_t buf_sizes[2];
size_t count = (1024 * 1024 * MERCURY_TESTING_BUFFER_SIZE) / sizeof(int);
size_t bulk_size = count * sizeof(int);
hg_bulk_t bulk_handle = HG_BULK_NULL;
hg_return_t hg_ret;
size_t i;
/* Prepare bulk_buf */
bulk_buf = (int *) malloc(bulk_size);
for (i = 0; i < count; i++) {
bulk_buf[i] = (int) i;
}
buf_ptrs[0] = bulk_buf;
buf_sizes[0] = bulk_size;
buf_ptrs[1] = NULL;
buf_sizes[1] = 0;
/* Initialize the interface */
HG_Test_init(argc, argv, &hg_test_info);
request = hg_request_create(hg_test_info.request_class);
hg_ret = HG_Create(hg_test_info.context, hg_test_info.target_addr,
hg_test_bulk_write_id_g, &handle);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not start call\n");
return EXIT_FAILURE;
}
/* Register memory */
hg_ret = HG_Bulk_create(hg_test_info.hg_class, 2, buf_ptrs,
(hg_size_t *) buf_sizes, HG_BULK_READ_ONLY, &bulk_handle);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not create bulk data handle\n");
return EXIT_FAILURE;
}
/* Fill input structure */
bulk_write_in_struct.fildes = fildes;
bulk_write_in_struct.bulk_handle = bulk_handle;
/* Forward call to remote addr and get a new request */
printf("Forwarding bulk_write, op id: %u...\n", hg_test_bulk_write_id_g);
hg_ret = HG_Forward(handle, hg_test_bulk_forward_cb, request,
&bulk_write_in_struct);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not forward call\n");
return EXIT_FAILURE;
}
hg_request_wait(request, HG_MAX_IDLE_TIME, NULL);
/* Free memory handle */
hg_ret = HG_Bulk_free(bulk_handle);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not free bulk data handle\n");
return EXIT_FAILURE;
}
/* Complete */
hg_ret = HG_Destroy(handle);
if (hg_ret != HG_SUCCESS) {
fprintf(stderr, "Could not complete\n");
return EXIT_FAILURE;
}
hg_request_destroy(request);
HG_Test_finalize(&hg_test_info);
/* Free bulk data */
free(bulk_buf);
return EXIT_SUCCESS;
}
static hg_return_t
cancel_bulk_transfer(hg_class_t *hg_class, hg_context_t *context,
hg_request_class_t *request_class, hg_addr_t addr)
{
hg_request_t *request = NULL;
hg_handle_t handle;
bulk_write_in_t bulk_write_in_struct;
int *bulk_buf = NULL;
void *buf_ptr[1];
size_t count = (1024 * 1024 * MERCURY_TESTING_BUFFER_SIZE) / sizeof(int);
size_t bulk_size = count * sizeof(int);
hg_bulk_t bulk_handle = HG_BULK_NULL;
hg_return_t ret;
size_t i;
/* Prepare bulk_buf */
bulk_buf = (int*) malloc(bulk_size);
for (i = 0; i < count; i++) {
bulk_buf[i] = (int) i;
}
*buf_ptr = bulk_buf;
request = hg_request_create(request_class);
ret = HG_Create(context, addr, hg_test_bulk_write_id_g, &handle);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not start call\n");
goto done;
}
/* Register memory */
ret = HG_Bulk_create(hg_class, 1, buf_ptr, (hg_size_t *) &bulk_size,
HG_BULK_READ_ONLY, &bulk_handle);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not create bulk data handle\n");
goto done;
}
/* Fill input structure */
bulk_write_in_struct.fildes = -1; /* To tell target to cancel bulk transfer */
bulk_write_in_struct.bulk_handle = bulk_handle;
/* Forward call to remote addr and get a new request */
printf("Forwarding bulk_write, op id: %u...\n", hg_test_bulk_write_id_g);
ret = HG_Forward(handle, hg_test_bulk_forward_cb, request,
&bulk_write_in_struct);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not forward call\n");
goto done;
}
hg_request_wait(request, HG_MAX_IDLE_TIME, NULL);
/* Free memory handle */
ret = HG_Bulk_free(bulk_handle);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not free bulk data handle\n");
goto done;
}
/* Complete */
ret = HG_Destroy(handle);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not complete\n");
goto done;
}
hg_request_destroy(request);
done:
return ret;
}
static int
snappy_compress_rpc(hg_class_t *hg_class, hg_context_t *hg_context,
na_addr_t na_target_addr)
{
int *input;
size_t source_length = NR_ITEMS * sizeof(int);
hg_bulk_t input_bulk_handle;
void *compressed;
size_t max_compressed_length;
hg_bulk_t compressed_bulk_handle;
snappy_compress_in_t snappy_compress_input;
struct snappy_compress_rpc_args *snappy_compress_rpc_args;
hg_handle_t handle;
int i;
/**
* We are going to take a buffer and send it to the server for compression.
* Mercury works better when you know how much (or an uppper bound on) data
* to expect.
*/
max_compressed_length = snappy_max_compressed_length(source_length);
printf("Input buffer length is: %zu\n", source_length);
printf("Max compressed length is: %zu\n", max_compressed_length);
/* Generate input buffer */
input = (int *) malloc(source_length);
for (i = 0; i < NR_ITEMS; i++) {
input[i] = rand() % 10;
}
print_buf(20, input);
/* Allocate compressed buffer */
compressed = malloc(max_compressed_length);
memset(compressed, '\0', max_compressed_length);
/* Create HG handle bound to target */
HG_Create(hg_context, na_target_addr, snappy_compress_id_g, &handle);
/**
* Associate 'handle' with a region of memory. Mercury's bulk transfer is
* going to get/put data from this region.
*/
HG_Bulk_create(hg_class, 1, (void **) &input,
&source_length, HG_BULK_READ_ONLY, &input_bulk_handle);
HG_Bulk_create(hg_class, 1, &compressed,
&max_compressed_length, HG_BULK_READWRITE, &compressed_bulk_handle);
/* Create struct to keep arguments as the call will be executed
* asynchronously */
snappy_compress_rpc_args = (struct snappy_compress_rpc_args *) malloc(
sizeof(struct snappy_compress_rpc_args));
snappy_compress_rpc_args->input = input;
snappy_compress_rpc_args->input_length = source_length;
snappy_compress_rpc_args->input_bulk_handle = input_bulk_handle;
snappy_compress_rpc_args->compressed = compressed;
snappy_compress_rpc_args->compressed_bulk_handle = compressed_bulk_handle;
/* Set input arguments that will be passed to HG_Forward */
snappy_compress_input.input_bulk_handle = input_bulk_handle;
snappy_compress_input.compressed_bulk_handle = compressed_bulk_handle;
/* Forward the call */
printf("Sending input to target\n");
HG_Forward(handle, snappy_compress_rpc_cb, snappy_compress_rpc_args,
&snappy_compress_input);
/* Handle will be destroyed when call completes (reference count) */
HG_Destroy(handle);
return 0;
}
/*---------------------------------------------------------------------------*/
HG_TEST_RPC_CB(hg_test_perf_bulk, handle)
{
hg_return_t ret = HG_SUCCESS;
struct hg_info *hg_info = NULL;
hg_bulk_t origin_bulk_handle = HG_BULK_NULL;
hg_bulk_t local_bulk_handle = HG_BULK_NULL;
struct hg_test_bulk_args *bulk_args = NULL;
bulk_write_in_t in_struct;
bulk_args = (struct hg_test_bulk_args *) malloc(
sizeof(struct hg_test_bulk_args));
/* Keep handle to pass to callback */
bulk_args->handle = handle;
/* Get info from handle */
hg_info = HG_Get_info(handle);
/* Get input struct */
ret = HG_Get_input(handle, &in_struct);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not get input struct\n");
return ret;
}
origin_bulk_handle = in_struct.bulk_handle;
hg_atomic_set32(&bulk_args->completed_transfers, 0);
/* Create a new block handle to read the data */
bulk_args->nbytes = HG_Bulk_get_size(origin_bulk_handle);
bulk_args->fildes = in_struct.fildes;
#ifdef MERCURY_TESTING_USE_LOCAL_BULK
/* Create a new bulk handle to read the data */
HG_Bulk_create(hg_info->hg_class, 1, NULL, &bulk_args->nbytes,
HG_BULK_READWRITE, &local_bulk_handle);
#else
#ifdef MERCURY_TESTING_HAS_THREAD_POOL
hg_thread_mutex_lock(&hg_test_local_bulk_handle_mutex_g);
#endif
local_bulk_handle = hg_test_local_bulk_handle_g;
#endif
/* Pull bulk data */
ret = HG_Bulk_transfer(hg_info->context, hg_test_perf_bulk_transfer_cb,
bulk_args, HG_BULK_PULL, hg_info->addr, origin_bulk_handle, 0,
local_bulk_handle, 0, bulk_args->nbytes, HG_OP_ID_IGNORE);
if (ret != HG_SUCCESS) {
fprintf(stderr, "Could not read bulk data\n");
return ret;
}
#ifndef MERCURY_TESTING_USE_LOCAL_BULK
#ifdef MERCURY_TESTING_HAS_THREAD_POOL
hg_thread_mutex_unlock(&hg_test_local_bulk_handle_mutex_g);
#endif
#endif
HG_Free_input(handle, &in_struct);
return ret;
}
