int
main(void)
{
int i;
shmem_init();
npes = shmem_n_pes();
me = shmem_my_pe();
for (i = 0; i < DST_SIZE; i++) {
dst[i] = -1;
}
for (i = 0; i < SHMEM_COLLECT_SYNC_SIZE; i += 1) {
pSync[i] = SHMEM_SYNC_VALUE;
}
shmem_barrier_all();
shmem_fcollect64(dst, src, 2, 0, 0, npes, pSync);
shmem_barrier_all();
show_dst("AFTER");
shmem_finalize();
return 0;
}
int
main (void)
{
int i;
start_pes (0);
npes = shmem_n_pes ();
me = shmem_my_pe ();
for (i = 0; i < DST_SIZE; i++)
{
dst[i] = -1;
}
for (i = 0; i < _SHMEM_BCAST_SYNC_SIZE; i += 1)
{
pSync[i] = _SHMEM_SYNC_VALUE;
}
shmem_barrier_all ();
shmem_collect64 (dst, src, me + 1, 0, 0, 4, pSync);
show_dst ("AFTER");
return 0;
}
void
mr_client_event_handler(mr_client_state * s, tw_bf * bf, mr_client_message * msg, tw_lp * lp)
{
int rand_result, i;
tw_lpid dest_lp;
tw_stime ts;
tw_event *e;
mr_client_message *m;
//event_logging(s, msg, lp);
//event_logging_f(s, msg, lp);
switch(msg->msg_core.type)
{
case VS_MR_CLIENT_SUBMIT_JOB:
{
printf("Msg received at VS_MR_CLIENT_SUBMIT_JOB\n");
e = tw_event_new(s->job_tracker_id, tw_rand_exponential(lp->rng, 10), lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
m->msg_core.type = VS_MR_SERVER_JOB_REGISTRATION;
push_src( &m->msg_core, &lp->gid);
//show_src( &m->msg_core);
tw_event_send(e);
break;
}
case VS_MR_CLIENT_SUBMIT_JOB_SUCCESS:
{
e = tw_event_new(s->job_tracker_id, tw_rand_exponential(lp->rng, 10), lp);
m = tw_event_data(e);
m->msg_core.type = VS_MR_SERVER_JOB_REGISTRATION;
printf("Job registration success from client %d and job id is %d\n",lp->gid,msg->job_ID);
//show_src( &msg->msg_core);
//tw_event_send(e);
break;
}
case VS_MR_CLIENT_WRITE_START:
{
pop_dst(&msg->msg_core,&dest_lp);
e = tw_event_new(dest_lp, 10, lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
m->msg_core.type = VS_MR_CLIENT_WRITE_SET_UP;
tw_event_send(e);
break;
}
case VS_MR_CLIENT_WRITE_SET_UP:
{
// name node gid is after client gid
// This message is received at Name Node
if (lp->gid == s->namenode_id)
{
s->NN_timer = max(s->NN_timer, tw_now(lp));
s->NN_timer += NN_process_time;
e = tw_event_new(msg->msg_core.src_pid[0], s->NN_timer, lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
m->msg_core.src_pid[0] = lp->gid;
m->msg_core.type = VS_MR_CLIENT_WRITE_SET_UP_ACK;
tw_event_send(e);
}
else
printf("\tMessage is not at name node, Please check!\n");
break;
}
case VS_MR_CLIENT_WRITE_SET_UP_ACK:
{
e = tw_event_new(lp->gid, tw_rand_exponential(lp->rng, WRITE_SET_UP_PREP_TIME), lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
//m->msg_core.type = VS_MR_CLIENT_WRITE_DATA_SEND;
m->msg_core.type = VS_MR_CLIENT_WRITE_SOCKET_SET_UP;
//pack dst data nodes ID to packet
prep_src(&m->msg_core);
prep_dst(&m->msg_core);
//show_dst(&m->msg_core);
for (i=0;i<N_REPLICA;i++)
push_dst(&m->msg_core,&s->data_node_ID[i]);
show_dst(&m->msg_core);
//pop_dst(&m->msg_core,&dest_lp);
//m->msg_core.replica_counter++;
tw_event_send(e);
break;
}
case VS_MR_CLIENT_WRITE_SOCKET_SET_UP:
{
// if message still hasn't reached the deepest point in the path
// printf("msg->msg_core.replica_counter is %d\n",msg->msg_core.replica_counter);
if (msg->msg_core.replica_counter<N_REPLICA)
{
pop_dst(&(msg->msg_core),&dest_lp);
msg->msg_core.replica_counter++;
push_src(&(msg->msg_core),&lp->gid);
e = tw_event_new(dest_lp, tw_rand_exponential(lp->rng, WRITE_SET_UP_PREP_TIME), lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
m->msg_core.type = VS_MR_CLIENT_WRITE_SOCKET_SET_UP;
tw_event_send(e);
//printf("Appear in LP %d\n",lp->gid);
}
else
{
msg->msg_core.replica_counter--;
pop_src(&(msg->msg_core),&dest_lp);
e = tw_event_new(dest_lp, tw_rand_exponential(lp->rng, WRITE_SET_UP_PREP_TIME), lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
m->msg_core.type = VS_MR_CLIENT_WRITE_SOCKET_SET_UP_ACK;
tw_event_send(e);
}
break;
}
case VS_MR_CLIENT_WRITE_SOCKET_SET_UP_ACK:
{
if (msg->msg_core.replica_counter==0)
{
e = tw_event_new(lp->gid, tw_rand_exponential(lp->rng, WRITE_SET_UP_PREP_TIME), lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
m->msg_core.type = VS_MR_CLIENT_WRITE_DATA_SEND;
tw_event_send(e);
//printf("LP %d Appear\n",lp->gid);
}
else
{
msg->msg_core.replica_counter--;
pop_src(&(msg->msg_core),&dest_lp);
e = tw_event_new(dest_lp, tw_rand_exponential(lp->rng, WRITE_SET_UP_PREP_TIME), lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
m->msg_core.type = VS_MR_CLIENT_WRITE_SOCKET_SET_UP_ACK;
tw_event_send(e);
}
break;
}
case VS_MR_CLIENT_WRITE_DATA_SEND:
{
if (s->pkt_send_counter < Write_Request_size/Pkt_size)
{
// split request to packet
s->pkt_send_counter++;
e = tw_event_new(lp->gid, Pkt_size/Buffer_Copy_rate, lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
m->msg_core.type = VS_MR_CLIENT_WRITE_DATA_SEND;
tw_event_send(e);
// each packet corresponds to a real send
// pick random data node
e = tw_event_new(s->data_node_ID[0], Pkt_size/Buffer_Copy_rate, lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
m->msg_core.type = VS_MR_CLIENT_WRITE_DATA_SEND_ACK;
m->msg_core.src_pid[0] = lp->gid;
tw_event_send(e);
}
break;
}
case VS_MR_CLIENT_WRITE_DATA_SEND_ACK:
{
// split request to packet
e = tw_event_new(msg->msg_core.src_pid[0], Pkt_size/Buffer_Copy_rate, lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
m->msg_core.type = VS_MR_CLIENT_WRITE_DONE;
tw_event_send(e);
break;
}
case VS_MR_CLIENT_WRITE_DONE:
{
s->pkt_recv_counter++;
if ( s->pkt_recv_counter == Write_Request_size/Pkt_size )
{
// send success msg to NN
e = tw_event_new(s->namenode_id, CLOSE_TIME, lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
push_src(&(m->msg_core),&lp->gid);
m->msg_core.type = VS_MR_CLIENT_WRITE_CLOSE;
tw_event_send(e);
}
else
printf("\tMessage is not at name node, Please check!\n");
break;
}
case VS_MR_CLIENT_WRITE_CLOSE:
{
//printf("Close finished at %d\n",lp->gid);
// This message is received at Name Node
if (lp->gid == s->namenode_id)
{
pop_src(&(msg->msg_core),&dest_lp);
e = tw_event_new(dest_lp, CLOSE_TIME, lp);
m = tw_event_data(e);
m->msg_core = msg->msg_core;
m->msg_core.type = VS_MR_CLIENT_WRITE_CLOSE_ACK;
tw_event_send(e);
}
break;
}
case VS_MR_CLIENT_WRITE_CLOSE_ACK:
{
printf("Close finished at %d\n",lp->gid);
/* e = tw_event_new(msg_core.src_pid[0], CLOSE_TIME, lp); */
/* m = tw_event_data(e); */
/* m->msg_core = msg->msg_core; */
//m->msg_core.type = VS_MR_CLIENT_WRITE_CLOSE_ACK;
//tw_event_send(e);
break;
}
}
}