routing.h

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/*
START OF LICENSE STUB
    DeDOS: Declarative Dispersion-Oriented Software
    Copyright (C) 2017 University of Pennsylvania, Georgetown University

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
END OF LICENSE STUB
*/
#ifndef ROUTING_H_
#define ROUTING_H_
#include <inttypes.h>
#include "dfg.h"
#include "message_queue.h"

struct msu_endpoint {
    int id;
    enum msu_locality locality;
    unsigned int route_id;
    unsigned int runtime_id;
    struct msg_queue *queue;
};

struct routing_table;

struct route_set {
    int n_routes;
    struct routing_table **routes;
};

int init_route(int route_id, int type_id);

int get_route_endpoint(struct routing_table *table, uint32_t key,
                       struct msu_endpoint *endpoint);

int get_shortest_queue_endpoint(struct routing_table *table,
                                uint32_t key, struct msu_endpoint *endpoint);

int get_endpoint_by_index(struct routing_table *table, int index,
                          struct msu_endpoint *endpoint);

int get_endpoint_by_id(struct routing_table *table, int msu_id,
                       struct msu_endpoint *endpoint);

int get_endpoints_by_runtime_id(struct routing_table *table, int runtime_id,
                                struct msu_endpoint *endpoints, int n_endpoints);

struct routing_table *get_type_from_route_set(struct route_set *routes, int type_id);

int get_n_endpoints(struct routing_table *table);

int add_route_endpoint(int route_id, struct msu_endpoint endpoint, uint32_t key);

int remove_route_endpoint(int route_id, int msu_id);

int modify_route_endpoint(int route_id, int msu_id, uint32_t new_key);

int add_route_to_set(struct route_set *set, int route_id);

int rm_route_from_set(struct route_set *set, int route_id);

int init_msu_endpoint(int msu_id, int runtime_id, struct msu_endpoint *endpoint);
#endif