/**
* Read the data back
* @param dst buffer of received data
* @param size size of the received data
* @return MCAPI_SUCCESS/error
*/
mcapi_status_t read_data(void *dst, mcapi_uint32_t *size) {
mcapi_status_t status = MCAPI_ERR_GENERAL;
size_t rx = 0;
int count = 0;
/** sanity check */
assert(NULL != dst);
assert(NULL != size);
*size = 0;
do {
mcapi_msg_recv(data_recv_endpoint, dst, MCAPI_MAX_MSG_SIZE, &rx, &status);
#ifdef DEBUG_INFO
if (MCAPI_SUCCESS != status) {
fprintf(stdout, "[%s] %d status: %d mcapi_msg_recv failure\n", __FILE__,
__LINE__, status);
exit(1);
}
#endif
*size += rx;
dst = (unsigned char *) dst + MCAPI_MAX_MSG_SIZE;
} while (MCAPI_MAX_MSG_SIZE == rx);
return status;
}
/*****************************************************************************
* read_mcapi_msg
*****************************************************************************/
int read_mcapi_msg(int index, char* buf, int buf_size)
{
mcapi_status_t status;
size_t msgsize = 0;
mcapi_msg_recv(local_endpts[index].endpts[READ_IDX],
(void *) buf, buf_size, &msgsize, &status);
if (status != MCAPI_SUCCESS) {
th_log_error("Task id %d failed to recv msg: %s\n",
index, mcapi_display_status(status,status_buff,sizeof(status_buff)));
return -1;
}
return (int) msgsize;
}
/**
* dsp receive dsp cmd
* @return MCAPI_SUCCESS/ error code
*/
mcapi_status_t receive_dsp_cmd(mcapi_uint32_t *cmd) {
mcapi_status_t status = MCAPI_ERR_GENERAL;
size_t rcv_size = 0;
/** Sanity Check */
assert(NULL != cmd);
/** receive the command */
mcapi_msg_recv(dsp_command_endpoint, (void *) cmd, sizeof(mcapi_uint32_t),
&rcv_size, &status);
#ifdef DEBUG_INFO
if (MCAPI_SUCCESS != status) {
fprintf(stdout, "[%s] %d status: %d mcapi_msg_recv failure\n", __FILE__,
__LINE__, status);
exit(1);
}
#endif
return status;
}
int main(int argc,char * argv[])
{
int process_num=sysconf(_SC_NPROCESSORS_CONF);
printf("%i processors() in KeyStoneII system.\n\r",process_num);
cpu_set_t mask;
int myid= atoi(argv[1]);
CPU_ZERO(&mask);
CPU_SET(myid,&mask);
if(sched_setaffinity(getpid(),sizeof(mask),&mask)==-1)
{
printf("Error: set CPU affinity failed.\n\r");
return 0;
}
printf("Set CPU affinity success!\n\r");
usleep(3000000);
if(CPU_ISSET(myid, &mask))
{
printf("RECV is running on Processor %i\n\r",myid);
}
usleep(3000000);
mcapi_status_t status;
mcapi_info_t info;
char status_msg[MCAPI_MAX_STATUS_MSG_LEN];
size_t received_size;
char recv_buf[BUFLEN]="";
mcapi_request_t request;
mcapi_endpoint_t recv_msg_point;
mcapi_initialize(THE_DOMAIN,YELLOW_NODE,0,0,&info,&status);
recv_msg_point=mcapi_endpoint_create(YELLOW_MSG,&status);
mcapi_msg_recv(recv_msg_point,recv_buf,BUFLEN,&received_size,&status);
usleep(3000000);
printf("recviced message: %s\n\r",recv_buf);
mcapi_finalize(&status);
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
//the endpoints used in message-oriented communication
mcapi_endpoint_t red_msg_point;
mcapi_endpoint_t yellow_msg_point;
mcapi_endpoint_t green_msg_point;
//the endpoints used in channel-oriented communication
mcapi_endpoint_t yellow_sin_chan;
mcapi_endpoint_t yellow_cos_chan;
mcapi_endpoint_t yellow_pkt_chan;
//status message received in almost all MCAPI-calls
mcapi_status_t status;
//info-struct received in initialization
mcapi_info_t info;
//buffer for incoming messages
char recv_buf[MAX_MSG_LEN];
//the status code converted to string
char status_msg[MCAPI_MAX_STATUS_MSG_LEN];
//size parameter required in some calls
size_t size = 1;
//an iterator used in loops
unsigned int i = 0;
//request handle is used to operate wait-calls
mcapi_request_t request;
//a second request handle! just so that we see it works :)
mcapi_request_t request2;
//sandles used in channel-messaging
mcapi_sclchan_recv_hndl_t sin_handle;
mcapi_sclchan_recv_hndl_t cos_handle;
mcapi_pktchan_send_hndl_t pkt_handle;
//how many scalars we are expecting
char count = 0;
//buffer of data sent in messages
unsigned char* send_buf;
printf(COLOR "here\n");
//We are yellow! initialize accordingly
mcapi_initialize( THE_DOMAIN, YELLOW_NODE, 0, 0, &info, &status );
check( MCAPI_SUCCESS, status );
//create our side of messaging
yellow_msg_point = mcapi_endpoint_create( YELLOW_MSG, &status );
check( MCAPI_SUCCESS, status );
//obtain the red message point
red_msg_point = mcapi_endpoint_get( THE_DOMAIN,
RED_NODE, RED_MSG, TIMEOUT, &status );
check( MCAPI_SUCCESS, status );
printf(COLOR "start-up messaging\n");
//wait for the amount to come
mcapi_msg_recv( yellow_msg_point, recv_buf, MAX_MSG_LEN, &size,
&status );
check( MCAPI_SUCCESS, status );
//read the count from first byte
count = recv_buf[0];
//surprise! this process reserves the buffer with malloc
send_buf = (char*)malloc(count*2);
//send ack
send_buf[0] = 'a';
mcapi_msg_send( yellow_msg_point, red_msg_point, send_buf, 1,
0, &status );
check( MCAPI_SUCCESS, status );
printf(COLOR "start-up messaged with %u bytes. expecting %u scalars\n",
size, count );
//open our channel endpoint to sin
yellow_sin_chan = mcapi_endpoint_create( YELLOW_SIN, &status );
check( MCAPI_SUCCESS, status );
//open our channel endpoint to cos
yellow_cos_chan = mcapi_endpoint_create( YELLOW_COS, &status );
check( MCAPI_SUCCESS, status );
//open our ends, let senders form connection
mcapi_sclchan_recv_open_i( &sin_handle, yellow_sin_chan, &request,
&status );
check( MCAPI_PENDING, status );
mcapi_sclchan_recv_open_i( &cos_handle, yellow_cos_chan, &request2,
&status );
check( MCAPI_PENDING, status );
//wait for it to happen
mcapi_wait( &request, &size, TIMEOUT, &status );
check( MCAPI_SUCCESS, status );
mcapi_wait( &request2, &size, TIMEOUT, &status );
check( MCAPI_SUCCESS, status );
printf(COLOR "beginning the receive value\n");
for ( i = 0; i < 15000; ++i )
{
//an iterator used in loops
unsigned int j = 0;
//start to receveive stuff
//i+=2 because our values are two bytes while buf is one byte
for ( j = 0; j < count; ++j )
{
//receive cos scalar
short cval = mcapi_sclchan_recv_uint16( cos_handle, &status );
check( MCAPI_SUCCESS, status );
//receive sin scalar
short sval = mcapi_sclchan_recv_uint16( sin_handle, &status );
check( MCAPI_SUCCESS, status );
//addition
short sumval = sval + cval;
//put to buf
send_buf[j*2] = sumval;
send_buf[j*2+1] = sumval >> 8;
//printf( COLOR "%hX %hhX %hhX\n", sumval, send_buf[j*2],
//send_buf[j*2+1] );
}
}
printf(COLOR "receiving done, closing scalar channels\n");
//close our ends
mcapi_sclchan_recv_close_i( sin_handle, &request, &status );
check( MCAPI_PENDING, status );
mcapi_sclchan_recv_close_i( cos_handle, &request2, &status );
check( MCAPI_PENDING, status );
//wait for it to happen
mcapi_wait( &request, &size, TIMEOUT, &status );
check( MCAPI_SUCCESS, status );
mcapi_wait( &request2, &size, TIMEOUT, &status );
check( MCAPI_SUCCESS, status );
printf(COLOR "closed, informing green\n");
//obtain their endpoint
green_msg_point = mcapi_endpoint_get( THE_DOMAIN,
GREEN_NODE, GREEN_MSG, TIMEOUT, &status );
check( MCAPI_SUCCESS, status );
//send the message
mcapi_msg_send( yellow_msg_point, green_msg_point, send_buf, 1,
0, &status );
check( MCAPI_SUCCESS, status );
printf(COLOR "informed, opening packet channel\n");
//open our channel endpoint to green
yellow_pkt_chan = mcapi_endpoint_create( YELLOW_PKT, &status );
check( MCAPI_SUCCESS, status );
//open our end, let receiver form connection
mcapi_pktchan_send_open_i( &pkt_handle, yellow_pkt_chan, &request,
&status );
check( MCAPI_PENDING, status );
//wait for it to happen
mcapi_wait( &request, &size, TIMEOUT, &status );
check( MCAPI_SUCCESS, status );
//now send
printf(COLOR "sending the packet\n");
mcapi_pktchan_send( pkt_handle, send_buf, count, &status );
//and now close
printf(COLOR "sent the packet, closing\n");
mcapi_pktchan_send_close_i( pkt_handle, &request, &status );
check( MCAPI_PENDING, status );
mcapi_wait( &request, &size, TIMEOUT, &status );
check( MCAPI_SUCCESS, status );
printf(COLOR "closed, shutdown\n");
//free buf
free( send_buf );
//shut-down
mcapi_finalize( &status );
check( MCAPI_SUCCESS, status );
return EXIT_SUCCESS;
}
int main()
{
//status message received in almost all MCAPI-calls
mcapi_status_t status;
//info-struct received in initialization
mcapi_info_t info;
//the status code converted to string
char status_msg[MCAPI_MAX_STATUS_MSG_LEN];
//an iterator used in loops
unsigned int i = 0;
//request handle is used to operate wait-calls
mcapi_request_t request;
//size parameter required in some calls
size_t size = 1;
//send-handle used in channel-messaging
mcapi_pktchan_send_hndl_t handy;
//a separate receive buffer used for messages
char recv_msg[MAX_MSG_LEN];
//get our stuff here. tip: if signed were used, it bastardized the values
unsigned char* recv_buf;
//the endpoints used in channel-oriented communication
mcapi_endpoint_t green_chan;
mcapi_endpoint_t yellow_chan;
mcapi_endpoint_t green_msg_point;
printf( COLOR "here\n");
//we are the green
mcapi_initialize( THE_DOMAIN, GREEN_NODE, 0, 0, &info, &status );
check( MCAPI_SUCCESS, status );
//create our message endpoint
green_msg_point = mcapi_endpoint_create( GREEN_MSG, &status );
check( MCAPI_SUCCESS, status );
//wait for the start signal
mcapi_msg_recv(green_msg_point, recv_msg, MAX_MSG_LEN, &size,
&status );
check( MCAPI_SUCCESS, status );
printf(COLOR "signal received, starting to connect & open\n");
//create our channel message endpoint
green_chan = mcapi_endpoint_create( GREEN_PKT, &status );
check( MCAPI_SUCCESS, status );
//get their channel message endpoint
yellow_chan = mcapi_endpoint_get( THE_DOMAIN,
YELLOW_NODE, YELLOW_PKT, TIMEOUT, &status );
check( MCAPI_SUCCESS, status );
//form the channel
mcapi_pktchan_connect_i( yellow_chan, green_chan, &request, &status );
check( MCAPI_PENDING, status );
//wait for it to happen
mcapi_wait( &request, &size, TIMEOUT, &status );
check( MCAPI_SUCCESS, status );
//open our end
mcapi_pktchan_recv_open_i( &handy, green_chan, &request, &status );
check( MCAPI_PENDING, status );
//wait for it to happen
mcapi_wait( &request, &size, TIMEOUT, &status );
check( MCAPI_SUCCESS, status );
printf(COLOR "beginning the receive\n");
//start to receive our stuff
mcapi_pktchan_recv( handy, (void*)&recv_buf, &size, &status );
check( MCAPI_SUCCESS, status );
printf(COLOR "retrieval done, closing\n");
//close our end
mcapi_pktchan_recv_close_i( handy, &request, &status );
check( MCAPI_PENDING, status );
//wait for it to happen
mcapi_wait( &request, &size, TIMEOUT, &status );
check( MCAPI_SUCCESS, status );
printf(COLOR "closed, go over the values\n");
//go through that stuff
//i+=2 because our values are two bytes while buf is one byte
for ( i = 0; i < size; i+=2 )
{
//reconstruct the short
short sumval = recv_buf[i+1] << 8 | recv_buf[i];
//printf( COLOR "%hX %hhX %hhX\n", sumval, recv_buf[i], recv_buf[i+1] );
}
printf(COLOR "buffer release and shut down\n");
//release
mcapi_pktchan_release( recv_buf, &status );
check( MCAPI_SUCCESS, status );
//finalize at the end, regardless of which process we are
mcapi_finalize( &status );
check( MCAPI_SUCCESS, status );
return EXIT_SUCCESS;
}
void *receiver(void* data)
{
char buffer[NUM_MSGS];
int count = 0;
size_t recv_size;
mca_status_t status;
int i;
mcapi_param_t parms;
mcapi_info_t version;
/* create a node */
mcapi_initialize(DOMAIN,NODE+1,NULL,&parms,&version,&status);
if (status != MCAPI_SUCCESS) {
fprintf(stderr,"\nFAIL: Failed to initialize: %s\n",mcapi_display_status(status,status_buff,sizeof(status_buff)));
WRONG;
}
/* make recv endpoint */
recv_endpt = mcapi_endpoint_create(1,&status);
if (status != MCAPI_SUCCESS) {
fprintf(stderr,"\nFAIL: Failed to create recv endpoint: %s\n",mcapi_display_status(status,status_buff,sizeof(status_buff)));
WRONG;
}
/* do the receives */
for (count = 0; count < NUM_MSGS; count++) {
mcapi_msg_recv(recv_endpt,
buffer,
sizeof(buffer),
&recv_size,
&status);
if ((status != MCAPI_SUCCESS) && (TIMEOUT)) {
/* yield and then retry */
for (i = 0; i < TIMEOUT; i++) {
if (status != MCAPI_SUCCESS) {
fprintf(stderr,"\nWARNING: Recv failed: reason:%s recv_count:%d. Will yield and re-try.\n",mcapi_display_status(status,status_buff,sizeof(status_buff)),count);
sched_yield();
mcapi_msg_recv(recv_endpt,
buffer,
sizeof(buffer),
&recv_size,
&status);
}
if (status == MCAPI_SUCCESS) {
break;
}
}
}
if (status == MCAPI_SUCCESS) {
printf("count=%d, Received: [%s]\n",count,buffer);
} else {
fprintf(stderr,"\nFAIL: Recv failed: reason:%s recv_count:%d.\n",mcapi_display_status(status,status_buff,sizeof(status_buff)),count);
WRONG;
}
}
/* finalize */
mcapi_finalize(&status);
if (status != MCAPI_SUCCESS) {
fprintf(stderr,"\nFAIL: Failed to finalize: %s\n",mcapi_display_status(status,status_buff,sizeof(status_buff)));
WRONG;
}
return NULL;
}
