121 lines
4.2 KiB
C
121 lines
4.2 KiB
C
/*
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* $Id: channel_manager.h 44 2011-02-15 12:32:29Z kaori $
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*
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* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2011, Professor Benoit Macq
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* Copyright (c) 2010-2011, Kaori Hagihara
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef CHANNEL_MANAGER_H_
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# define CHANNEL_MANAGER_H_
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#include <time.h>
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#include "query_parser.h"
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#include "cachemodel_manager.h"
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#include "auxtrans_manager.h"
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/** maximum length of channel identifier*/
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#define MAX_LENOFCID 30
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/** Channel parameters*/
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typedef struct channel_param{
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cachemodel_param_t *cachemodel; /**< reference pointer to the cache model*/
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char cid[MAX_LENOFCID]; /**< channel identifier*/
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cnew_transport_t aux; /**< auxiliary transport*/
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/* - a record of the client's capabilities and preferences to the extent that the server queues requests*/
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time_t start_tm; /**< starting time*/
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struct channel_param *next; /**< pointer to the next channel*/
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} channel_param_t;
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/** Channel list parameters*/
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typedef struct channellist_param{
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channel_param_t *first; /**< first channel pointer of the list*/
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channel_param_t *last; /**< last channel pointer of the list*/
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} channellist_param_t;
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/**
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* generate a channel list
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*
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* @return pointer to the generated channel list
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*/
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channellist_param_t * gene_channellist();
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/**
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* generate a channel under the channel list
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*
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* @param[in] query_param query parameters
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* @param[in] auxtrans auxiliary transport
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* @param[in] cachemodel reference cachemodel
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* @param[in] channellist channel list pointer
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* @return pointer to the generated channel
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*/
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channel_param_t * gene_channel( query_param_t query_param, auxtrans_param_t auxtrans, cachemodel_param_t *cachemodel, channellist_param_t *channellist);
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/**
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* set channel variable parameters
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*
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* @param[in] query_param query parameters
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* @param[in,out] channel pointer to the modifying channel
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*/
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void set_channel_variable_param( query_param_t query_param, channel_param_t *channel);
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/**
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* delete a channel
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*
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* @param[in] channel address of the deleting channel pointer
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* @param[in,out] channellist channel list pointer
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*/
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void delete_channel( channel_param_t **channel, channellist_param_t *channellist);
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/**
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* delete channel list
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*
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* @param[in,out] channellist address of the channel list pointer
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*/
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void delete_channellist( channellist_param_t **channellist);
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/**
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* print all channel parameters
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*
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* @param[in] channellist channel list pointer
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*/
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void print_allchannel( channellist_param_t *channellist);
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/**
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* search a channel by channel ID
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*
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* @param[in] cid channel identifier
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* @param[in] channellist channel list pointer
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* @return found channel pointer
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*/
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channel_param_t * search_channel( char cid[], channellist_param_t *channellist);
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#endif /* !CHANNEL_MANAGER_H_ */
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