457a4b632c
All the user interface functions are now in mca/oob/base/base.h Anyone who uses the oob should just include this file. All component related functions have been moved to mca/oob/oob.h The reason for this change was to make the user interface more clear. This commit was SVN r1884.
277 строки
8.4 KiB
C
277 строки
8.4 KiB
C
/*
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* Basic test for the oob.
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* The idea is to try most combinations of sending and recieving
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* to run:
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* mpirun -np 2 -- oob_test
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*/
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#include <sys/types.h>
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#include <sys/uio.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include "mpi.h"
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#include "support.h"
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#include "mca/oob/oob.h"
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#define MSG_TYPE_1 1
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#define MSG_TYPE_2 2
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#define NUM_TESTS 8
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#define NUM_TIMES 1
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int i;
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bool testdone[NUM_TESTS * NUM_TIMES];
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void do_sends(ompi_process_name_t * peer);
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void do_recvs(ompi_process_name_t * peer);
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bool compare_iovec(const struct iovec * msg1, const struct iovec * msg2, int n);
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bool compare_iovec(const struct iovec * msg1, const struct iovec * msg2,
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int n) {
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int i;
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for(i = 0; i < n; i++) {
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if(msg1[i].iov_len != msg2[i].iov_len) {
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return false;
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}
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if(0 != memcmp(msg1[i].iov_base, msg2[i].iov_base, msg1[i].iov_len)) {
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return false;
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}
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}
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return true;
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}
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void callback(int status, const ompi_process_name_t * peer,
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const struct iovec * msg, int count, int tag, void * cbdata);
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void callback(int status, const ompi_process_name_t * peer,
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const struct iovec * msg, int count, int tag, void * cbdata)
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{
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if(0 != tag) {
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test_failure("Bad tag.");
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}
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if(((int) cbdata + (NUM_TESTS * i)) >= (NUM_TESTS * NUM_TIMES)) {
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test_failure("Bad value in callback function.");
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} else if (testdone[(int) cbdata + (NUM_TESTS * i)]) {
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test_failure("Callback function called on an already completed test.");
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} else {
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testdone[(int) cbdata + (NUM_TESTS * i)] = true;
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test_success();
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}
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}
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/* data */
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/* setup message */
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uint32_t msg_type_1 = MSG_TYPE_1;
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uint32_t msg_type_2 = MSG_TYPE_2;
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char send1[] = "hello";
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uint32_t send2[] = {3, 5, 5, 9, 20};
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uint16_t send3[] = {32, 4, 23};
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/* now we set up the send iovect */
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struct iovec send_msg1[4] = {{(void *) &msg_type_1, sizeof(msg_type_1)},
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{(void *) &send1, sizeof(send1)},
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{(void *) &send2, sizeof(send2)},
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{(void *) &send3, sizeof(send3)}};
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struct iovec send_msg2[3] = {{(void *) &msg_type_2, sizeof(msg_type_2)},
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{(void *) &send2, sizeof(send2)},
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{(void *) &send3, sizeof(send3)}};
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/* if we want the send/ recieve functions to do the packing for us,
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* we have to provide an array that describes our data types
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*/
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mca_oob_base_type_t types[] = {MCA_OOB_BASE_INT32, MCA_OOB_BASE_BYTE,
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MCA_OOB_BASE_INT32, MCA_OOB_BASE_INT16};
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/* we'll pass the array an identical iovec */
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uint32_t msg_type;
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char recv1[6];
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uint32_t recv2[5];
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uint16_t recv3[3];
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struct iovec recv_msg1[4] = {{(void *) &msg_type, sizeof(msg_type)},
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{(void *) &recv1, sizeof(recv1)},
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{(void *) &recv2, sizeof(recv2)},
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{(void *) &recv3, sizeof(recv3)}};
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struct iovec recv_msg2[3] = {{(void *) &msg_type, sizeof(msg_type)},
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{(void *) &recv2, sizeof(recv2)},
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{(void *) &recv3, sizeof(recv3)}};
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int main(int argc, char ** argv)
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{
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ompi_process_name_t peer;
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MPI_Init(&argc, &argv);
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/* setup peer address */
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peer = mca_oob_name_self;
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fprintf(stderr, "my vpid %d my jobid %d my cellid %d my pid %d\n",
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peer.vpid, peer.jobid, peer.cellid, getpid());
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if(peer.vpid == 1) {
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test_init("oob send then recieve");
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/* local vpid is 1 - peer is 0 */
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peer.vpid = 0;
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for(i = 0; i < NUM_TIMES; i++) {
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do_sends(&peer);
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do_recvs(&peer);
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}
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} else {
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test_init("oob recieve then send");
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/* local vpid is 0 - peer is 1 */
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peer.vpid = 1;
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for(i = 0; i < NUM_TIMES; i++) {
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do_recvs(&peer);
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do_sends(&peer);
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}
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}
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/* done */
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test_finalize();
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MPI_Finalize();
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return 0;
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}
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void do_sends(ompi_process_name_t * peer) {
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/* non blocking send without doing any packing */
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if( 0 > mca_oob_send_nb(peer, send_msg1, 4, 0, 0, &callback, (void *) 0)){
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test_failure("mca_oob_send_nb.");
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} else {
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test_success();
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}
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if( 0 > mca_oob_send_nb(peer, send_msg1, 4, 0, 0, &callback, (void *) 1)){
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test_failure("mca_oob_send_nb.");
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} else {
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test_success();
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}
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/* nonblocking send with packing */
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if( 0 > mca_oob_send_hton_nb(peer, send_msg1, types, 4, 0, 0, &callback,
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(void *) 2)) {
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test_failure("mca_oob_send_hton_nb.");
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} else {
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test_success();
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}
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if( 0 > mca_oob_send_hton_nb(peer, send_msg1, types, 4, 0, 0, &callback,
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(void *) 3)) {
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test_failure("mca_oob_send_hton_nb.");
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} else {
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test_success();
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}
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/* blocking send */
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if( 0 > mca_oob_send(peer, send_msg2, 3, 0, 0)) {
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test_failure("mca_oob_send.");
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} else {
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test_success();
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}
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if( 0 > mca_oob_send(peer, send_msg2, 3, 0, 0)) {
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test_failure("mca_oob_send.");
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} else {
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test_success();
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}
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/* blocking send with packing */
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if( 0 > mca_oob_send_hton(peer, send_msg1, types, 4, 0, 0)) {
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test_failure("mca_oob_send_hton.");
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} else {
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test_success();
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}
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if( 0 > mca_oob_send_hton(peer, send_msg1, types, 4, 0, 0)) {
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test_failure("mca_oob_send_hton.");
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} else {
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test_success();
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}
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}
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void do_recvs(ompi_process_name_t * peer) {
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/*first, we'll recieve the nonpacked send - assuming we know the
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* message type */
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if( 0 > mca_oob_recv_nb(peer, recv_msg1, 4, 0, 0, &callback, (void *) 4)) {
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test_failure("mca_oob_recv_nb.");
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} else {
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test_success();
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}
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if( 0 > mca_oob_recv(peer, recv_msg1, 4, 0, 0)) {
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test_failure("mca_oob_recv.");
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} else {
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test_success();
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}
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if(!compare_iovec(recv_msg1, send_msg1, 4)) {
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test_failure("compare 1 is wrong");
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}
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/* now we'll recieve the packed send - assuming we know the message type */
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if( 0 > mca_oob_recv_ntoh(peer, recv_msg1, types, 4, 0,0)) {
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test_failure("mca_oob_recv_ntoh.");
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} else {
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test_success();
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}
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if(!compare_iovec(recv_msg1, send_msg1, 4)) {
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test_failure("compare 2 is wrong");
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}
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if( 0 > mca_oob_recv_ntoh_nb(peer, recv_msg1, types, 4, 0, 0, &callback,
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(void *) 5)) {
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test_failure("mca_oob_recv_ntoh_nb.");
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} else {
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test_success();
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}
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/* now we'll do a blocking recv - waiting for the 3rd message to arrive
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* - and peek the first element of the iovec array to determine
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* the message type. */
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if( 0 > mca_oob_recv(peer, recv_msg2, 1, 0, MCA_OOB_PEEK)) {
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test_failure("mca_oob_recv w/peek.");
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} else {
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test_success();
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}
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/* check the type of message - before doing the actual receive */
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switch(msg_type) {
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case MSG_TYPE_1:
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if( 0 > mca_oob_recv(peer, recv_msg1, 4, 0, 0)) {
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test_failure("mca_oob_recv of peeked message.");
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} else {
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test_success();
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}
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if(!compare_iovec(recv_msg1, send_msg1, 4)) {
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test_failure("compare 3 is wrong");
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}
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break;
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case MSG_TYPE_2:
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if( 0 > mca_oob_recv(peer, recv_msg2, 3, 0, 0)) {
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test_failure("mca_oob_recv of peeked message.");
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} else {
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test_success();
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}
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if(!compare_iovec(recv_msg2, send_msg2, 3)) {
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test_failure("compare 4 is wrong");
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}
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break;
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default:
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test_failure("Message peek did not return a valid type number.");
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break;
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}
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if( 0 > mca_oob_recv_nb(peer, recv_msg2, 3, 0, 0, &callback, (void *) 6)) {
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test_failure("mca_oob_recv_nb.");
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} else {
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test_success();
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}
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/* now we will recieve the packed data */
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if( 0 > mca_oob_recv_ntoh(peer, recv_msg1, types, 4, 0, 0)) {
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test_failure("mca_oob_recv_ntoh.");
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} else {
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test_success();
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}
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if(!compare_iovec(recv_msg1, send_msg1, 4)) {
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test_failure("compare 5 is wrong");
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}
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if( 0 > mca_oob_recv_ntoh_nb(peer, recv_msg1, types, 4, 0, 0, &callback,
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(void *) 7)) {
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test_failure("mca_oob_recv_ntoh_nb.");
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} else {
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test_success();
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}
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}
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