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openmpi/orte/mca/routed/routed.h
Ralph Castain b8c5d1ad88 Update the routed components as we no longer need to init_routes. Fixes case of direct launch via srun
Signed-off-by: Ralph Castain <rhc@open-mpi.org>

Signed-off-by: Ralph Castain <rhc@open-mpi.org>
2016-10-31 12:38:13 -07:00

302 строки
11 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2007-2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2004-2008 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 2004-2011 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2014-2016 Intel, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/**
* @file
*
* Routing table for the RML
*
* A flexible routing infrastructure for the RML. Provides "next hop"
* service. Only deals with orte_process_name_ts.
*/
#ifndef ORTE_MCA_ROUTED_ROUTED_H_
#define ORTE_MCA_ROUTED_ROUTED_H_
#include "orte_config.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "orte/types.h"
#include "orte/mca/mca.h"
#include "opal/dss/dss_types.h"
#include "opal/mca/crs/crs.h"
#include "opal/mca/crs/base/base.h"
#include "orte/mca/routed/routed_types.h"
BEGIN_C_DECLS
/* ******************************************************************** */
struct opal_buffer_t;
struct orte_rml_module_t;
/* ******************************************************************** */
/**
* Initialize the routed module
*
* Do whatever needs to be done to initialize the selected module
*
* @retval ORTE_SUCCESS Success
* @retval ORTE_ERROR Error code from whatever was encountered
*/
typedef int (*orte_routed_module_init_fn_t)(void);
/**
* Finalize the routed module
*
* Finalize the routed module, ending cleaning up all resources
* associated with the module. After the finalize function is called,
* all interface functions (and the module structure itself) are not
* available for use.
*
* @note Whether or not the finalize function returns successfully,
* the module should not be used once this function is called.
*
* @retval ORTE_SUCCESS Success
* @retval ORTE_ERROR An unspecified error occurred
*/
typedef int (*orte_routed_module_finalize_fn_t)(void);
/*
* Delete route
*
* Delete the route to the specified proc from the routing table. Note
* that wildcards are supported to remove routes from, for example, all
* procs in a given job
*/
typedef int (*orte_routed_module_delete_route_fn_t)(orte_process_name_t *proc);
/**
* Update route table with new information
*
* Update routing table with a new entry. If an existing exact match
* for the entry exists, it will be replaced with the current
* information. If the entry is new, it will be inserted behind all
* entries of similar "mask". So a wildcard cellid entry will be
* inserted after any fully-specified entries and any other wildcard
* cellid entries, but before any wildcard cellid and jobid entries.
*
* @retval ORTE_SUCCESS Success
* @retval ORTE_ERR_NOT_SUPPORTED The updated is not supported. This
* is likely due to using partially-specified
* names with a component that does not support
* such functionality
* @retval ORTE_ERROR An unspecified error occurred
*/
typedef int (*orte_routed_module_update_route_fn_t)(orte_process_name_t *target,
orte_process_name_t *route);
/**
* Get the next hop towards the target
*
* Obtain the next process on the route to the target. ORTE's routing system
* works one hop at-a-time, so this function doesn't return the entire path
* to the target - it only returns the next hop. This could be the target itself,
* or it could be an intermediate relay. By design, we -never- use application
* procs as relays, so any relay will be an orted.
*/
typedef orte_process_name_t (*orte_routed_module_get_route_fn_t)(orte_process_name_t *target);
/**
* Report a route as "lost"
*
* Report that an existing connection has been lost, therefore potentially
* "breaking" a route in the routing table. It is critical that broken
* connections be reported so that the selected routing module has the
* option of dealing with it. This could consist of nothing more than
* removing that route from the routing table, or could - in the case
* of a "lifeline" connection - result in abort of the process.
*/
typedef int (*orte_routed_module_route_lost_fn_t)(const orte_process_name_t *route);
/*
* Is this route defined?
*
* Check to see if a route to the specified target has been defined. The
* function returns "true" if it has, and "false" if no route to the
* target was previously defined.
*
* This is needed because routed modules will return their "wildcard"
* route if we request a route to a target that they don't know about.
* In some cases, though, we truly -do- need to know if a route was
* specifically defined.
*/
typedef bool (*orte_routed_module_route_is_defined_fn_t)(const orte_process_name_t *target);
/*
* Update the module's routing plan
*
* Called only by a daemon and the HNP, this function creates a plan
* for routing messages within ORTE, especially for routing collectives
* used during wireup
*/
typedef void (*orte_routed_module_update_routing_plan_fn_t)(void);
/*
* Get the routing list for an xcast collective
*
* Fills the target list with orte_namelist_t so that
* the grpcomm framework will know who to send xcast to
* next
*/
typedef void (*orte_routed_module_get_routing_list_fn_t)(opal_list_t *coll);
/*
* Set lifeline process
*
* Defines the lifeline to be the specified process. Should contact to
* that process be lost, the errmgr will be called, possibly resulting
* in termination of the process and job.
*/
typedef int (*orte_routed_module_set_lifeline_fn_t)(orte_process_name_t *proc);
/*
* Get the number of routes supported by this process
*
* Returns the size of the routing tree using an O(1) function
*/
typedef size_t (*orte_routed_module_num_routes_fn_t)(void);
/**
* Handle fault tolerance updates
*
* @param[in] state Fault tolerance state update
*
* @retval ORTE_SUCCESS The operation completed successfully
* @retval ORTE_ERROR An unspecifed error occurred
*/
typedef int (*orte_routed_module_ft_event_fn_t)(int state);
/* ******************************************************************** */
/**
* routed module interface
*
* Module interface to the routed communication system. A global
* instance of this module, orte_routed, provices an interface into the
* active routed interface.
*/
typedef struct {
/** Startup/shutdown the communication system and clean up resources */
orte_routed_module_init_fn_t initialize;
orte_routed_module_finalize_fn_t finalize;
/* API functions */
orte_routed_module_delete_route_fn_t delete_route;
orte_routed_module_update_route_fn_t update_route;
orte_routed_module_get_route_fn_t get_route;
orte_routed_module_route_lost_fn_t route_lost;
orte_routed_module_route_is_defined_fn_t route_is_defined;
orte_routed_module_set_lifeline_fn_t set_lifeline;
/* fns for daemons */
orte_routed_module_update_routing_plan_fn_t update_routing_plan;
orte_routed_module_get_routing_list_fn_t get_routing_list;
orte_routed_module_num_routes_fn_t num_routes;
/* FT Notification */
orte_routed_module_ft_event_fn_t ft_event;
} orte_routed_module_t;
/* define an equivalent set of API functions - these will be implemented
* as "stubs" in the framework base */
typedef char* (*orte_routed_API_assign_module_fn_t)(char *modules);
typedef int (*orte_routed_API_delete_route_fn_t)(char *module,
orte_process_name_t *proc);
typedef int (*orte_routed_API_update_route_fn_t)(char *module,
orte_process_name_t *target,
orte_process_name_t *route);
typedef orte_process_name_t (*orte_routed_API_get_route_fn_t)(char *module,
orte_process_name_t *target);
typedef int (*orte_routed_API_route_lost_fn_t)(char *module,
const orte_process_name_t *route);
typedef bool (*orte_routed_API_route_is_defined_fn_t)(char *module,
const orte_process_name_t *target);
typedef void (*orte_routed_API_update_routing_plan_fn_t)(char *module);
typedef void (*orte_routed_API_get_routing_list_fn_t)(char *module, opal_list_t *coll);
typedef int (*orte_routed_API_set_lifeline_fn_t)(char *module, orte_process_name_t *proc);
typedef size_t (*orte_routed_API_num_routes_fn_t)(char *module);
typedef int (*orte_routed_API_ft_event_fn_t)(char *module, int state);
typedef struct {
/* API functions */
orte_routed_API_assign_module_fn_t assign_module;
orte_routed_API_delete_route_fn_t delete_route;
orte_routed_API_update_route_fn_t update_route;
orte_routed_API_get_route_fn_t get_route;
orte_routed_API_route_lost_fn_t route_lost;
orte_routed_API_route_is_defined_fn_t route_is_defined;
orte_routed_API_set_lifeline_fn_t set_lifeline;
/* fns for daemons */
orte_routed_API_update_routing_plan_fn_t update_routing_plan;
orte_routed_API_get_routing_list_fn_t get_routing_list;
orte_routed_API_num_routes_fn_t num_routes;
/* FT Notification */
orte_routed_API_ft_event_fn_t ft_event;
} orte_routed_API_t;
/* provide an interface to the routed framework stub functions */
ORTE_DECLSPEC extern orte_routed_API_t orte_routed;
/* ******************************************************************** */
/**
* routed component interface
*
* Component interface for the routed framework. A public instance of
* this structure, called mca_routed_[component name]_component, must
* exist in any routed component.
*/
struct orte_routed_component_3_0_0_t {
/* Base component description */
mca_base_component_t base_version;
/* Base component data block */
mca_base_component_data_t base_data;
/* priority */
int priority;
};
/** Convienence typedef */
typedef struct orte_routed_component_3_0_0_t orte_routed_component_t;
/* ******************************************************************** */
/** Macro for use in components that are of type routed */
#define ORTE_ROUTED_BASE_VERSION_3_0_0 \
ORTE_MCA_BASE_VERSION_2_1_0("routed", 3, 0, 0)
/* ******************************************************************** */
END_C_DECLS
#endif