1
1
openmpi/ompi/mca/btl/tcp/btl_tcp_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

127 строки
4.0 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2006 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 (c) 2010 Oracle and/or its affiliates. All rights reserved
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef MCA_BTL_TCP_PROC_H
#define MCA_BTL_TCP_PROC_H
#include "opal/class/opal_object.h"
#include "ompi/proc/proc.h"
#include "btl_tcp.h"
#include "btl_tcp_addr.h"
#include "btl_tcp_endpoint.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_tcp_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_tcp_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_tcp_proc_t mca_btl_tcp_proc_t;
OBJ_CLASS_DECLARATION(mca_btl_tcp_proc_t);
/* the highest possible interface kernel index we can handle */
#define MAX_KERNEL_INTERFACE_INDEX 65536
/* the maximum number of kernel interfaces we can handle */
#define MAX_KERNEL_INTERFACES 8
/* The maximum number of interfaces that we can have and use the
* recursion code for determining the best set of connections. When
* the number is greater than this, we switch to a simpler algorithm
* to speed things up. */
#define MAX_PERMUTATION_INTERFACES 8
/*
* FIXME: this should probably be part of an ompi list, so we need the
* appropriate definitions
*/
struct mca_btl_tcp_interface_t {
struct sockaddr_storage* ipv4_address;
struct sockaddr_storage* ipv6_address;
mca_btl_tcp_addr_t* ipv4_endpoint_addr;
mca_btl_tcp_addr_t* ipv6_endpoint_addr;
uint32_t ipv4_netmask;
uint32_t ipv6_netmask;
int kernel_index;
int peer_interface;
int index;
int inuse;
};
typedef struct mca_btl_tcp_interface_t mca_btl_tcp_interface_t;
/*
* describes the quality of a possible connection between a local and
* a remote network interface
*/
enum mca_btl_tcp_connection_quality {
CQ_NO_CONNECTION,
CQ_PRIVATE_DIFFERENT_NETWORK,
CQ_PRIVATE_SAME_NETWORK,
CQ_PUBLIC_DIFFERENT_NETWORK,
CQ_PUBLIC_SAME_NETWORK
};
mca_btl_tcp_proc_t* mca_btl_tcp_proc_create(ompi_proc_t* ompi_proc);
mca_btl_tcp_proc_t* mca_btl_tcp_proc_lookup(const ompi_process_name_t* name);
int mca_btl_tcp_proc_insert(mca_btl_tcp_proc_t*, mca_btl_base_endpoint_t*);
int mca_btl_tcp_proc_remove(mca_btl_tcp_proc_t*, mca_btl_base_endpoint_t*);
bool mca_btl_tcp_proc_accept(mca_btl_tcp_proc_t*, struct sockaddr*, int);
bool mca_btl_tcp_proc_tosocks(mca_btl_tcp_addr_t*, struct sockaddr_storage*);
/**
* Inlined function to return local TCP proc instance.
*/
static inline mca_btl_tcp_proc_t* mca_btl_tcp_proc_local(void)
{
if(NULL == mca_btl_tcp_component.tcp_local)
mca_btl_tcp_component.tcp_local = mca_btl_tcp_proc_create(ompi_proc_local());
return mca_btl_tcp_component.tcp_local;
}
END_C_DECLS
#endif