bc93adee26
first sendrecv exchanges for each connection. This was to fix Trac #390. This commit was SVN r11821.
133 строки
3.7 KiB
C
133 строки
3.7 KiB
C
/*
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* Copyright (c) 2004-2006 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) 2004-2005 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) 2006 Sandia National Laboratories. All rights
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* reserved.
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* Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved.
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*
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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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#ifndef MCA_BTL_UDAPL_ENDPOINT_H
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#define MCA_BTL_UDAPL_ENDPOINT_H
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#include "opal/class/opal_list.h"
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#include "opal/event/event.h"
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#include "ompi/mca/pml/pml.h"
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#include "ompi/mca/btl/btl.h"
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#include "btl_udapl_frag.h"
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#include "btl_udapl.h"
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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/**
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* Structure used to publish uDAPL id information to peers.
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*/
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struct mca_btl_udapl_addr_t {
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DAT_CONN_QUAL port;
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DAT_SOCK_ADDR addr;
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};
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typedef struct mca_btl_udapl_addr_t mca_btl_udapl_addr_t;
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/**
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* State of uDAPL endpoint connection.
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*/
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typedef enum {
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MCA_BTL_UDAPL_CONN_EAGER,
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MCA_BTL_UDAPL_CONN_MAX,
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MCA_BTL_UDAPL_CONNECTED,
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MCA_BTL_UDAPL_CLOSED,
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MCA_BTL_UDAPL_FAILED
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} mca_btl_udapl_endpoint_state_t;
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/**
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* An abstraction that represents a connection to a endpoint process.
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* An instance of mca_btl_base_endpoint_t is associated w/ each process
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* and BTL pair at startup. However, connections to the endpoint
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* are established dynamically on an as-needed basis:
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*/
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struct mca_btl_base_endpoint_t {
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opal_list_item_t super;
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struct mca_btl_udapl_module_t* endpoint_btl;
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/**< BTL instance that created this connection */
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struct mca_btl_udapl_proc_t* endpoint_proc;
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/**< proc structure corresponding to endpoint */
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mca_btl_udapl_endpoint_state_t endpoint_state;
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/**< current state of the endpoint connection */
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opal_list_t endpoint_eager_frags;
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opal_list_t endpoint_max_frags;
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/**< pending send frags on this endpoint */
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int32_t endpoint_eager_sends;
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int32_t endpoint_max_sends;
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/**< number of sends that may be posted */
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int32_t endpoint_connection_seq;
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/**< sequence number of sendrecv message for the connection est */
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opal_mutex_t endpoint_lock;
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/**< lock for concurrent access to endpoint state */
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mca_btl_udapl_addr_t endpoint_addr;
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/**< remote address on the other side of this endpoint */
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DAT_EP_HANDLE endpoint_eager;
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DAT_EP_HANDLE endpoint_max;
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/**< uDAPL endpoint handle */
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};
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typedef struct mca_btl_base_endpoint_t mca_btl_base_endpoint_t;
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typedef mca_btl_base_endpoint_t mca_btl_udapl_endpoint_t;
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OBJ_CLASS_DECLARATION(mca_btl_udapl_endpoint_t);
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/*
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* Start sending data on an endpoint.
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*/
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int mca_btl_udapl_endpoint_send(mca_btl_base_endpoint_t* endpoint,
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mca_btl_udapl_frag_t* frag);
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/*
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* Set up OOB recv callback.
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*/
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void mca_btl_udapl_endpoint_post_oob_recv(void);
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/*
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* Finish establishing a connection
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*/
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int mca_btl_udapl_endpoint_finish_connect(struct mca_btl_udapl_module_t* btl,
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mca_btl_udapl_addr_t* addr,
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int32_t* seq,
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DAT_EP_HANDLE endpoint);
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif
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