static void * thr_fn0(void *arg)
{
printids("new thread0: ");
char input_buf1[INPUT_LEN];
char input_buf2[INPUT_LEN];
int i;
int str_len;
int sent;
comm_create(device1, nblks, blksz);
comm_create(device2, nblks, blksz);
/*read input from standard I/O, one line at a time, input_buf2 reverses input_buf1.*/
while(NULL != fgets(input_buf1, INPUT_LEN-1, stdin))
{
str_len = strlen(input_buf1);
input_buf1[str_len - 1] = '\0';
str_len = strlen(input_buf1);
for(i = 0; i < str_len; ++i)
{
input_buf2[i] = input_buf1[str_len-1-i];
}
input_buf2[i] = '\0';
comm_info("Thread0 send input1:%s, length is:%d\n", input_buf1, str_len);
sent = comm_send(device1, input_buf1, str_len);
comm_info("Thread0 sent length is:%d\n", sent);
comm_info("Thread0 send input2:%s, length is:%d\n", input_buf2, str_len);
sent = comm_send(device2, input_buf2, str_len);
comm_info("Thread0 sent length is:%d\n", sent);
}
}
TreeCommunicator::TreeCommunicator(const std::vector<int> &fan_out, GlobalPolicy *global_policy, const MPI_Comm &comm)
: m_fan_out(fan_out)
, m_comm(fan_out.size())
, m_global_policy(global_policy)
, m_level(fan_out.size())
{
mpi_type_create();
comm_create(comm);
level_create();
}
static int single_thread_test()
{
char send_str[] = "send data";
int send_count = sizeof(send_str);
int sent = 0;
char recv_str[10] = {'\0',};
int rcv_len;
int received = 0;
int device = 0;/*which device [0,31]*/
int times = 1;
comm_initialize(device,COMM_NBLOCK);
#if 1
/*XXX test create*/
comm_info("Test create start.\n");
comm_create(device, nblks, blksz);
comm_info("Test create end.\n");
#endif
#if 1
/*XXX test send and receive one time.*/
comm_info("Test send start.\n");
comm_info("Send data is:%s\n",send_str);
sent = comm_send(device, send_str, send_count);
comm_info("Sent length is:%d\n",sent);
comm_info("Test receive start.\n");
do
{
rcv_len = comm_getlen(device);
}while(rcv_len < 0);
comm_receive(device, recv_str, rcv_len);
comm_info("Received data is:%s\n",recv_str);
comm_info("Received length is:%d\n",rcv_len);
#endif
#if 1
/*XXX test send and receive many times*/
while(times<6)
{
comm_info("times:%d.\n",times);
send_str[0]+=1;
times +=1;
comm_info("Test send start.\n");
comm_info("Send data is:%s\n",send_str);
sent = comm_send(device, send_str, send_count);
comm_info("Sent length is:%d\n",sent);
comm_info("Test receive start.\n");
do
{
rcv_len = comm_getlen(device);
}while(rcv_len < 0);
comm_receive(device, recv_str, rcv_len);
comm_info("Received data is:%s\n",recv_str);
comm_info("Received length is:%d\n",rcv_len);
}
#endif
comm_release(device);
comm_info("Test end.\n");
}
struct conn *
conn_new(struct fde_head *h, struct cfg *cfg, struct shm_alloc_state *sm,
int fd, conn_owner_update_cb *cb, void *cbdata)
{
struct conn *c;
char *buf;
int i;
int sn;
c = calloc(1, sizeof(*c));
if (c == NULL) {
warn("%s: calloc", __func__);
return (NULL);
}
c->r.size = cfg->io_size;
c->r.buf = malloc(c->r.size);
if (c->r.buf == NULL) {
warn("%s: malloc", __func__);
free(c);
return (NULL);
}
c->w.nb = iapp_netbuf_alloc(sm, cfg->atype, cfg->io_size);
if (c->w.nb == NULL) {
warn("%s: iapp_netbuf_alloc", __func__);
free(c->r.buf);
free(c);
return (NULL);
}
/* Pre-populate with some data */
buf = iapp_netbuf_buf_nonconst(c->w.nb);
for (i = 0; i < iapp_netbuf_size(c->w.nb); i++) {
buf[i] = (i % 10) + '0';
}
/*
* Limit the send size to one buffer for now.
*
* This isn't optimal but until we queue multiple buffers
* via sendfile, we will end up queueing the same memory region
* over and over again via different mbufs to the same socket
* and that isn't at all useful or correct.
*
* Once the shm allocator handles returning buffers, we can
* modify the transmit path to allocate buffers as required and
* then keep up to two in flight. Then we can just remove
* this limit.
*/
sn = cfg->io_size;
if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &sn, sizeof(sn)) < 0)
warn("%s: setsockopt(SO_SNDBUF)", __func__);
c->fd = fd;
c->comm = comm_create(fd, h, client_ev_close_cb, c);
c->ev_cleanup = fde_create(h, -1, FDE_T_CALLBACK, 0,
client_ev_cleanup_cb, c);
c->state = CONN_STATE_RUNNING;
/* Link back to the parent fde loop */
c->h = h;
/* .. and the callback state for notification */
c->cb.cb = cb;
c->cb.cbdata = cbdata;
#if 0
/*
* Start reading!
*/
(void) comm_read(c->comm, c->r.buf, c->r.size, client_read_cb, c);
#endif
/*
* Start writing!
*/
comm_write(c->comm, c->w.nb, 0, iapp_netbuf_size(c->w.nb), conn_write_cb, c);
return (c);
}