274 строки
10 KiB
C
274 строки
10 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; -*- */
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/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2006 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* 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 (c) 2012-2013 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2013-2017 Intel, Inc. 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 "orte_config.h"
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#include "opal/types.h"
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#include "opal/dss/dss.h"
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#include "opal/util/output.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/mca/oob/base/base.h"
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#include "orte/util/name_fns.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/mca/rml/base/base.h"
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#include "orte/mca/rml/rml_types.h"
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#include "rml_oob.h"
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static void send_self_exe(int fd, short args, void* data)
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{
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orte_self_send_xfer_t *xfer = (orte_self_send_xfer_t*)data;
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OPAL_OUTPUT_VERBOSE((1, orte_rml_base_framework.framework_output,
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"%s rml_send_to_self callback executing for tag %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), xfer->tag));
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/* execute the send callback function - note that
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* send-to-self always returns a SUCCESS status
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*/
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if (NULL != xfer->iov) {
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if (NULL != xfer->cbfunc.iov) {
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/* non-blocking iovec send */
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xfer->cbfunc.iov(ORTE_SUCCESS, ORTE_PROC_MY_NAME, xfer->iov, xfer->count,
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xfer->tag, xfer->cbdata);
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}
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} else if (NULL != xfer->buffer) {
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if (NULL != xfer->cbfunc.buffer) {
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/* non-blocking buffer send */
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xfer->cbfunc.buffer(ORTE_SUCCESS, ORTE_PROC_MY_NAME, xfer->buffer,
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xfer->tag, xfer->cbdata);
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}
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} else {
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/* should never happen */
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abort();
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}
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/* cleanup the memory */
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OBJ_RELEASE(xfer);
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}
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int orte_rml_oob_send_nb(struct orte_rml_base_module_t *mod,
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orte_process_name_t* peer,
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struct iovec* iov,
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int count,
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orte_rml_tag_t tag,
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orte_rml_callback_fn_t cbfunc,
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void* cbdata)
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{
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orte_rml_recv_t *rcv;
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orte_rml_send_t *snd;
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int bytes;
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orte_self_send_xfer_t *xfer;
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int i;
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char* ptr;
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OPAL_OUTPUT_VERBOSE((1, orte_rml_base_framework.framework_output,
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"%s rml_send to peer %s at tag %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_NAME_PRINT(peer), tag));
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if (ORTE_RML_TAG_INVALID == tag) {
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/* cannot send to an invalid tag */
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ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
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return ORTE_ERR_BAD_PARAM;
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}
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if (NULL == peer ||
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OPAL_EQUAL == orte_util_compare_name_fields(ORTE_NS_CMP_ALL, ORTE_NAME_INVALID, peer)) {
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/* cannot send to an invalid peer */
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ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
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return ORTE_ERR_BAD_PARAM;
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}
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OPAL_TIMING_EVENT((&tm_rml, "to %s", ORTE_NAME_PRINT(peer)));
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/* if this is a message to myself, then just post the message
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* for receipt - no need to dive into the oob
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*/
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if (OPAL_EQUAL == orte_util_compare_name_fields(ORTE_NS_CMP_ALL, peer, ORTE_PROC_MY_NAME)) { /* local delivery */
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OPAL_OUTPUT_VERBOSE((1, orte_rml_base_framework.framework_output,
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"%s rml_send_iovec_to_self at tag %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), tag));
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/* send to self is a tad tricky - we really don't want
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* to track the send callback function throughout the recv
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* process and execute it upon receipt as this would provide
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* very different timing from a non-self message. Specifically,
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* if we just retain a pointer to the incoming data
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* and then execute the send callback prior to the receive,
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* then the caller will think we are done with the data and
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* can release it. So we have to copy the data in order to
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* execute the send callback prior to receiving the message.
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*
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* In truth, this really is a better mimic of the non-self
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* message behavior. If we actually pushed the message out
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* on the wire and had it loop back, then we would receive
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* a new block of data anyway.
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*/
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/* setup the send callback */
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xfer = OBJ_NEW(orte_self_send_xfer_t);
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xfer->iov = iov;
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xfer->count = count;
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xfer->cbfunc.iov = cbfunc;
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xfer->tag = tag;
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xfer->cbdata = cbdata;
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/* setup the event for the send callback */
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opal_event_set(orte_event_base, &xfer->ev, -1, OPAL_EV_WRITE, send_self_exe, xfer);
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opal_event_set_priority(&xfer->ev, ORTE_MSG_PRI);
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opal_event_active(&xfer->ev, OPAL_EV_WRITE, 1);
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/* copy the message for the recv */
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rcv = OBJ_NEW(orte_rml_recv_t);
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rcv->sender = *peer;
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rcv->tag = tag;
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/* get the total number of bytes in the iovec array */
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bytes = 0;
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for (i = 0 ; i < count ; ++i) {
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bytes += iov[i].iov_len;
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}
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/* get the required memory allocation */
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if (0 < bytes) {
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rcv->iov.iov_base = (IOVBASE_TYPE*)malloc(bytes);
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rcv->iov.iov_len = bytes;
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/* transfer the bytes */
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ptr = (char*)rcv->iov.iov_base;
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for (i = 0 ; i < count ; ++i) {
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memcpy(ptr, iov[i].iov_base, iov[i].iov_len);
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ptr += iov[i].iov_len;
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}
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}
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/* post the message for receipt - since the send callback was posted
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* first and has the same priority, it will execute first
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*/
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ORTE_RML_ACTIVATE_MESSAGE(rcv);
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return ORTE_SUCCESS;
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}
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snd = OBJ_NEW(orte_rml_send_t);
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snd->dst = *peer;
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snd->origin = *ORTE_PROC_MY_NAME;
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snd->tag = tag;
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snd->iov = iov;
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snd->count = count;
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snd->cbfunc.iov = cbfunc;
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snd->cbdata = cbdata;
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snd->routed = strdup(mod->routed);
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/* activate the OOB send state */
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ORTE_OOB_SEND(snd);
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return ORTE_SUCCESS;
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}
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int orte_rml_oob_send_buffer_nb(struct orte_rml_base_module_t *mod,
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orte_process_name_t* peer,
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opal_buffer_t* buffer,
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orte_rml_tag_t tag,
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orte_rml_buffer_callback_fn_t cbfunc,
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void* cbdata)
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{
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orte_rml_recv_t *rcv;
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orte_rml_send_t *snd;
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orte_self_send_xfer_t *xfer;
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OPAL_OUTPUT_VERBOSE((1, orte_rml_base_framework.framework_output,
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"%s rml_send_buffer to peer %s at tag %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_NAME_PRINT(peer), tag));
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if (ORTE_RML_TAG_INVALID == tag) {
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/* cannot send to an invalid tag */
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ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
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return ORTE_ERR_BAD_PARAM;
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}
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if (NULL == peer ||
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OPAL_EQUAL == orte_util_compare_name_fields(ORTE_NS_CMP_ALL, ORTE_NAME_INVALID, peer)) {
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/* cannot send to an invalid peer */
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ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
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return ORTE_ERR_BAD_PARAM;
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}
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OPAL_TIMING_EVENT((&tm_rml, "to %s", ORTE_NAME_PRINT(peer)));
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/* if this is a message to myself, then just post the message
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* for receipt - no need to dive into the oob
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*/
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if (OPAL_EQUAL == orte_util_compare_name_fields(ORTE_NS_CMP_ALL, peer, ORTE_PROC_MY_NAME)) { /* local delivery */
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OPAL_OUTPUT_VERBOSE((1, orte_rml_base_framework.framework_output,
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"%s rml_send_iovec_to_self at tag %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), tag));
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/* send to self is a tad tricky - we really don't want
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* to track the send callback function throughout the recv
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* process and execute it upon receipt as this would provide
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* very different timing from a non-self message. Specifically,
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* if we just retain a pointer to the incoming data
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* and then execute the send callback prior to the receive,
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* then the caller will think we are done with the data and
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* can release it. So we have to copy the data in order to
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* execute the send callback prior to receiving the message.
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*
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* In truth, this really is a better mimic of the non-self
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* message behavior. If we actually pushed the message out
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* on the wire and had it loop back, then we would receive
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* a new block of data anyway.
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*/
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/* setup the send callback */
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xfer = OBJ_NEW(orte_self_send_xfer_t);
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xfer->buffer = buffer;
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xfer->cbfunc.buffer = cbfunc;
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xfer->tag = tag;
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xfer->cbdata = cbdata;
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/* setup the event for the send callback */
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opal_event_set(orte_event_base, &xfer->ev, -1, OPAL_EV_WRITE, send_self_exe, xfer);
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opal_event_set_priority(&xfer->ev, ORTE_MSG_PRI);
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opal_event_active(&xfer->ev, OPAL_EV_WRITE, 1);
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/* copy the message for the recv */
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rcv = OBJ_NEW(orte_rml_recv_t);
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rcv->sender = *peer;
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rcv->tag = tag;
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rcv->iov.iov_base = (IOVBASE_TYPE*)malloc(buffer->bytes_used);
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memcpy(rcv->iov.iov_base, buffer->base_ptr, buffer->bytes_used);
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rcv->iov.iov_len = buffer->bytes_used;
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/* post the message for receipt - since the send callback was posted
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* first and has the same priority, it will execute first
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*/
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ORTE_RML_ACTIVATE_MESSAGE(rcv);
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return ORTE_SUCCESS;
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}
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snd = OBJ_NEW(orte_rml_send_t);
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snd->dst = *peer;
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snd->origin = *ORTE_PROC_MY_NAME;
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snd->tag = tag;
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snd->buffer = buffer;
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snd->cbfunc.buffer = cbfunc;
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snd->cbdata = cbdata;
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snd->routed = strdup(mod->routed);
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/* activate the OOB send state */
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ORTE_OOB_SEND(snd);
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return ORTE_SUCCESS;
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}
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