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openmpi/ompi/mca/btl/sctp/btl_sctp_proc.h
Brian Barrett f42783ae1a Move the RTE framework change into the trunk. With this change, all non-CR
runtime code goes through one of the rte, dpm, or pubsub frameworks.

This commit was SVN r27934.
2013-01-27 23:25:10 +00:00

109 строки
3.9 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2011 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef MCA_BTL_SCTP_PROC_H
#define MCA_BTL_SCTP_PROC_H
#include "opal/class/opal_object.h"
#include "ompi/proc/proc.h"
#include "btl_sctp.h"
#include "btl_sctp_addr.h"
#include "btl_sctp_endpoint.h"
#include <netinet/sctp.h>
BEGIN_C_DECLS
/**
* Represents the state of a remote process and the set of addresses
* that it exports. Also cache an instance of mca_btl_base_endpoint_t for
* each
* BTL instance that attempts to open a connection to the process.
*/
struct mca_btl_sctp_proc_t {
opal_list_item_t super;
/**< allow proc to be placed on a list */
ompi_proc_t *proc_ompi;
/**< pointer to corresponding ompi_proc_t */
struct mca_btl_sctp_addr_t* proc_addrs;
/**< array of addresses exported by peer */
size_t proc_addr_count;
/**< number of addresses published by endpoint */
struct mca_btl_base_endpoint_t **proc_endpoints;
/**< array of endpoints that have been created to access this proc */
size_t proc_endpoint_count;
/**< number of endpoints */
opal_mutex_t proc_lock;
/**< lock to protect against concurrent access to proc state */
};
typedef struct mca_btl_sctp_proc_t mca_btl_sctp_proc_t;
OBJ_CLASS_DECLARATION(mca_btl_sctp_proc_t);
mca_btl_sctp_proc_t* mca_btl_sctp_proc_create(ompi_proc_t* ompi_proc);
mca_btl_sctp_proc_t* mca_btl_sctp_proc_lookup(const ompi_process_name_t* name);
int mca_btl_sctp_proc_insert(mca_btl_sctp_proc_t*, mca_btl_base_endpoint_t*);
int mca_btl_sctp_proc_remove(mca_btl_sctp_proc_t*, mca_btl_base_endpoint_t*);
bool mca_btl_sctp_proc_accept(mca_btl_sctp_proc_t*, struct sockaddr_in*, int);
/**
* Inlined function to return local SCTP proc instance.
*/
static inline mca_btl_sctp_proc_t* mca_btl_sctp_proc_local(void)
{
if(NULL == mca_btl_sctp_component.sctp_local) {
mca_btl_sctp_component.sctp_local = mca_btl_sctp_proc_create(ompi_proc_local());
}
return mca_btl_sctp_component.sctp_local;
}
enum {
INVALID_ENTRY = 0,
VALID_ENTRY = 1
};
/* Table of procs indexed by SCTP association id used by the receiver to
* identify senders. It is initialized to 0 in mca_btl_sctp_component_init().
* NOTE: 256 matches the size of the proc hash_table
*/
#define MCA_BTL_SCTP_PROC_TABLE_SIZE 256
struct mca_btl_sctp_proc_table_node {
int valid;
sctp_assoc_t sctp_assoc_id;
ompi_vpid_t vpid;
struct mca_btl_sctp_proc_t *proc;
};
typedef struct mca_btl_sctp_proc_table_node mca_btl_sctp_proc_table_node;
extern struct mca_btl_sctp_proc_table_node *recvr_proc_table;
extern struct mca_btl_sctp_proc_table_node *sender_proc_table;
int mca_btl_sctp_proc_check_vpid(ompi_vpid_t vpid, struct mca_btl_sctp_proc_table_node *table);
int mca_btl_sctp_proc_check_assoc_id(sctp_assoc_t id, struct mca_btl_sctp_proc_table_node *table);
void mca_btl_sctp_proc_add_vpid(ompi_vpid_t vpid, struct mca_btl_sctp_proc_t *proc, struct mca_btl_sctp_proc_table_node *table);
void mca_btl_sctp_proc_add_assoc_id(sctp_assoc_t id, struct mca_btl_sctp_proc_t *proc, struct mca_btl_sctp_proc_table_node *table);
mca_btl_sctp_proc_t *mca_btl_sctp_proc_get(sctp_assoc_t id, struct mca_btl_sctp_proc_table_node *table);
END_C_DECLS
#endif