75 строки
2.4 KiB
C
75 строки
2.4 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "include/constants.h"
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#include "mca/ns/ns_types.h"
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#include "dps/dps.h"
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#include "mca/oob/oob.h"
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#include "mca/oob/base/base.h"
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#include <string.h>
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/*
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* Similiar to unix recv(2)
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*
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* @param peer (IN) Opaque name of peer process or MCA_OOB_NAME_ANY for wildcard receive.
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* @param msg (IN) Array of iovecs describing user buffers and lengths.
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* @param types (IN) Parallel array to iovecs describing data type of each iovec element.
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* @param count (IN) Number of elements in iovec array.
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* @param tag (IN) User defined tag for matching send/recv.
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* @param flags (IN) May be MCA_OOB_PEEK to return up to the number of bytes provided in the
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* iovec array without removing the message from the queue.
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* @return OMPI error code (<0) on error or number of bytes actually received.
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*/
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int mca_oob_recv(orte_process_name_t* peer, struct iovec *msg, int count, int tag, int flags)
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{
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return(mca_oob.oob_recv(peer, msg, count, tag, flags));
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}
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/*
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* Similiar to unix recv(2)
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*
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* @param peer (IN) Opaque name of peer process or MCA_OOB_NAME_ANY for wildcard receive.
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* @param buffer (OUT) Buffer that the OOB creates to recv this message...
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* @param tag (IN) User defined tag for matching send/recv.
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* iovec array without removing the message from the queue.
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* @return OMPI error code (<0) on error or number of bytes actually received.
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*/
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int mca_oob_recv_packed(orte_process_name_t* peer, orte_buffer_t *buf, int tag)
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{
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int rc;
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struct iovec msg[1];
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/* setup iov */
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msg[0].iov_base = NULL;
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msg[0].iov_len = 0;
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rc = mca_oob.oob_recv(peer, msg, 1, tag, MCA_OOB_ALLOC);
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if(rc < 0)
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return rc;
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/* initialize buffer */
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return orte_dps.load(buf, msg[0].iov_base, msg[0].iov_len);
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}
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