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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file mobility_parser.h
* \brief A parser for trace-based mobility information (parsed from a file)
* \author S. Uppoor
* \date 2011
* \version 0.1
* \company INRIA
* \email: sandesh.uppor@inria.fr
* \note
* \warning
*/
#ifndef MOBILITY_PARSER_H_
#define MOBILITY_PARSER_H_
#include "trace_hashtable.h"
/*
* function reads each line and checks if vehicle has an entry in the hastable,
* if so append append is called else a new linked list to the vehicle is created.
* @param need mobility file to be given
*/
void parse_data (char *trace_file, int node_type); // mobility file need to be given here, add in omg_param_list, get it from there
/**
* function builds a linked list which holds vehicle id and its mapping pointer to
* the head of the linked list in the hash table.
* @param headRef is the pointer to this linked list
* @param vid is the vehicle id
* @param pointer to the head of the linked list to the vehicle entry in the hash table
*/
void add_node_info (int nid,int n_gid, int node_type);
int find_node_info (int vid, int node_type);
/**
* just counts the number of nodes in the mobility file
*/
int get_number_of_nodes (int node_type);
/**
* function returns the node containing next position (just reads the linked list from the hashtable)
* and never repeats, each time next location ahead of the current is returned
* @param hashtable from which the node is to be looked
* @param node_id is the nodes whose next location need to be retrieved from the linked list
*/
node_data* get_next_data (hash_table_t* table, int vid, int flag);
#endif /* MOBILITY_PARSER_H_ */