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;
}
int main () {
size_t size;
mcapi_endpoint_t ep1,ep2;
mcapi_pktchan_send_hndl_t s1; /* s1 = ep1->ep2 */
mcapi_pktchan_recv_hndl_t r1; /* r1 = ep1->ep2 */
int i = 0;
int rc = 1;
mca_status_t status;
mcapi_request_t request;
mcapi_param_t parms;
mcapi_info_t version;
mcapi_set_debug_level(6);
/* create a node */
mcapi_initialize(DOMAIN,NODE,NULL,&parms,&version,&status);
if (status != MCAPI_SUCCESS) { WRONG }
/* create endpoints */
ep1 = mcapi_endpoint_create(PORT_NUM1,&status);
if (status != MCAPI_SUCCESS) { WRONG }
ep2 = mcapi_endpoint_create(PORT_NUM2,&status);
if (status != MCAPI_SUCCESS) { WRONG }
/*************************** connect the channels *********************/
do {
mcapi_pktchan_connect_i(ep1,ep2,&request,&status);
//retry if all request handles are in-use
} while (status == MCAPI_ERR_REQUEST_LIMIT);
while (!mcapi_test(&request,&size,&status)) {}
if (status != MCAPI_SUCCESS) { WRONG }
/*************************** open the channels *********************/
do {
mcapi_pktchan_recv_open_i(&r1 /*recv_handle*/,ep2, &request, &status);
//retry if all request handles are in-use
} while (status == MCAPI_ERR_REQUEST_LIMIT);
while (!mcapi_test(&request,&size,&status)) {}
if (status != MCAPI_SUCCESS) { WRONG }
do {
mcapi_pktchan_send_open_i(&s1 /*send_handle*/,ep1, &request, &status);
//retry if all request handles are in-use
} while (status == MCAPI_ERR_REQUEST_LIMIT);
while (!mcapi_test(&request,&size,&status)) {}
if (status != MCAPI_SUCCESS) { WRONG }
/* tests: recv send send recv obeys FIFO */
do {
mcapi_pktchan_recv_i(r1,(void **)((void*)&requests[i].buffer),&requests[i].request,&requests[i].status);
//retry if all request handles are in-use
} while (status == MCAPI_ERR_REQUEST_LIMIT);
i++;
do {
mcapi_pktchan_send_i(s1,"one",sizeof("one"),&requests[i].request,&requests[i].status);
//retry if all request handles are in-use
} while (status == MCAPI_ERR_REQUEST_LIMIT);
i++;
do {
mcapi_pktchan_send_i(s1,"two",sizeof("two"),&requests[i].request,&requests[i].status);
//retry if all request handles are in-use
} while (status == MCAPI_ERR_REQUEST_LIMIT);
i++;
do {
mcapi_pktchan_recv_i(r1,(void **)((void*)&requests[i].buffer),&requests[i].request,&requests[i].status);
//retry if all request handles are in-use
} while (status == MCAPI_ERR_REQUEST_LIMIT);
i++;
rc = check_results();
/* close the channels */
do {
mcapi_pktchan_recv_close_i(r1,&request,&status);
//retry if all request handles are in-use
} while (status == MCAPI_ERR_REQUEST_LIMIT);
while (!mcapi_test(&request,&size,&status)) {}
if (status != MCAPI_SUCCESS) { WRONG }
do {
mcapi_pktchan_send_close_i(s1,&request,&status);
//retry if all request handles are in-use
} while (status == MCAPI_ERR_REQUEST_LIMIT);
while (!mcapi_test(&request,&size,&status)) {}
if (status != MCAPI_SUCCESS) { WRONG }
mcapi_finalize(&status);
if (rc == 0) {
printf(" Test PASSED\n");
} else {
printf(" Test FAILED\n");
}
return rc;
}
