434 lines
15 KiB
C
434 lines
15 KiB
C
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/*
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* $Id$
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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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* Copyright (c) 2011, Lucian Corlaciu, GSoC
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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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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include "jpip_parser.h"
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#include "channel_manager.h"
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#include "imgreg_manager.h"
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#ifdef SERVER
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#include "fcgi_stdio.h"
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#define logstream FCGI_stdout
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#else
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#define FCGI_stdout stdout
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#define FCGI_stderr stderr
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#define logstream stderr
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#endif //SERVER
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bool identify_target( query_param_t query_param, targetlist_param_t *targetlist, target_param_t **target)
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{
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if( query_param.tid[0] !='\0' && strcmp( query_param.tid, "0") != 0 ){
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if( query_param.cid[0] != '\0'){
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fprintf( FCGI_stdout, "Reason: Target can not be specified both through tid and cid\r\n");
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fprintf( FCGI_stdout, "Status: 400\r\n");
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return false;
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}
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if( ( *target = search_targetBytid( query_param.tid, targetlist)))
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return true;
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}
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if( query_param.target[0] !='\0')
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if( !( *target = search_target( query_param.target, targetlist)))
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if(!( *target = gene_target( targetlist, query_param.target)))
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return false;
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if( *target){
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fprintf( FCGI_stdout, "JPIP-tid: %s\r\n", (*target)->tid);
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return true;
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}
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else{
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fprintf( FCGI_stdout, "Reason: target not found\r\n");
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fprintf( FCGI_stdout, "Status: 400\r\n");
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return false;
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}
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}
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bool associate_channel( query_param_t query_param,
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sessionlist_param_t *sessionlist,
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session_param_t **cursession,
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channel_param_t **curchannel)
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{
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if( search_session_and_channel( query_param.cid, sessionlist, cursession, curchannel)){
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if( !query_param.cnew)
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set_channel_variable_param( query_param, *curchannel);
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}
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else{
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fprintf( FCGI_stderr, "Error: process canceled\n");
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return false;
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}
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return true;
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}
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bool open_channel( query_param_t query_param,
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sessionlist_param_t *sessionlist,
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target_param_t *target,
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session_param_t **cursession,
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channel_param_t **curchannel)
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{
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cachemodel_param_t *cachemodel = NULL;
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if( target){
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if( !(*cursession))
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*cursession = gene_session( sessionlist);
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if( !( cachemodel = search_cachemodel( target, (*cursession)->cachemodellist)))
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if( !(cachemodel = gene_cachemodel( (*cursession)->cachemodellist, target, query_param.return_type==JPPstream)))
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return false;
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}
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else
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if( *curchannel)
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cachemodel = (*curchannel)->cachemodel;
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*curchannel = gene_channel( query_param, cachemodel, (*cursession)->channellist);
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if( *curchannel == NULL)
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return false;
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return true;
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}
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bool close_channel( query_param_t query_param,
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sessionlist_param_t *sessionlist,
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session_param_t **cursession,
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channel_param_t **curchannel)
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{
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if( query_param.cclose[0][0] =='*'){
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#ifndef SERVER
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fprintf( logstream, "local log: close all\n");
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#endif
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// all channels associatd with the session will be closed
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if( !delete_session( cursession, sessionlist))
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return false;
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}
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else{
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// check if all entry belonging to the same session
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int i=0;
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while( query_param.cclose[i][0] !='\0'){
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// In case of the first entry of close cid
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if( *cursession == NULL){
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if( !search_session_and_channel( query_param.cclose[i], sessionlist, cursession, curchannel))
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return false;
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}
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else // second or more entry of close cid
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if( !(*curchannel=search_channel( query_param.cclose[i], (*cursession)->channellist))){
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fprintf( FCGI_stdout, "Reason: Cclose id %s is from another session\r\n", query_param.cclose[i]);
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return false;
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}
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i++;
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}
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// delete channels
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i=0;
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while( query_param.cclose[i][0] !='\0'){
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*curchannel = search_channel( query_param.cclose[i], (*cursession)->channellist);
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delete_channel( curchannel, (*cursession)->channellist);
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i++;
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}
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if( (*cursession)->channellist->first == NULL || (*cursession)->channellist->last == NULL)
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// In case of empty session
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delete_session( cursession, sessionlist);
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}
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return true;
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}
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/**
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* enqueue tiles or precincts into the message queue
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*
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* @param[in] query_param structured query
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* @param[in] msgqueue message queue pointer
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*/
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void enqueue_imagedata( query_param_t query_param, msgqueue_param_t *msgqueue);
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/**
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* enqueue metadata bins into the message queue
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*
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* @param[in] query_param structured query
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* @param[in] metadatalist pointer to metadata bin list
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* @param[in,out] msgqueue message queue pointer
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*/
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void enqueue_metabins( query_param_t query_param, metadatalist_param_t *metadatalist, msgqueue_param_t *msgqueue);
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bool gene_JPIPstream( query_param_t query_param,
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target_param_t *target,
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session_param_t *cursession,
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channel_param_t *curchannel,
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msgqueue_param_t **msgqueue)
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{
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index_param_t *codeidx;
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cachemodel_param_t *cachemodel;
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if( !cursession || !curchannel){ // stateless
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if( !target)
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return false;
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if( !(cachemodel = gene_cachemodel( NULL, target, query_param.return_type==JPPstream)))
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return false;
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*msgqueue = gene_msgqueue( true, cachemodel);
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}
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else{ // session
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cachemodel = curchannel->cachemodel;
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target = cachemodel->target;
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*msgqueue = gene_msgqueue( false, cachemodel);
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}
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codeidx = target->codeidx;
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if( cachemodel->jppstream)
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fprintf( FCGI_stdout, "Content-type: image/jpp-stream\r\n");
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else
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fprintf( FCGI_stdout, "Content-type: image/jpt-stream\r\n");
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if( query_param.layers != -1){
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if( query_param.layers > codeidx->COD.numOflayers){
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fprintf( FCGI_stdout, "JPIP-layers: %d\r\n", codeidx->COD.numOflayers);
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query_param.layers = codeidx->COD.numOflayers;
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}
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}
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//meta
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if( query_param.box_type[0][0] != 0 && query_param.len != 0)
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enqueue_metabins( query_param, codeidx->metadatalist, *msgqueue);
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// image codestream
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if( query_param.fx > 0 && query_param.fy > 0){
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if( !cachemodel->mhead_model && query_param.len != 0)
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enqueue_mainheader( *msgqueue);
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enqueue_imagedata( query_param, *msgqueue);
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}
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return true;
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}
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/**
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* enqueue precinct data-bins into the queue
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*
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* @param[in] xmin min x coordinate in the tile at the decomposition level
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* @param[in] xmax max x coordinate in the tile at the decomposition level
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* @param[in] ymin min y coordinate in the tile at the decomposition level
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* @param[in] ymax max y coordinate in the tile at the decomposition level
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* @param[in] tile_id tile index
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* @param[in] level decomposition level
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* @param[in] lastcomp last component number
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* @param[in] comps pointer to the array that stores the requested components
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* @param[in] layers number of quality layers
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* @param[in] msgqueue message queue
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* @return
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*/
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void enqueue_precincts( int xmin, int xmax, int ymin, int ymax, int tile_id, int level, int lastcomp, bool *comps, int layers, msgqueue_param_t *msgqueue);
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/**
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* enqueue all precincts inside a tile into the queue
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*
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* @param[in] tile_id tile index
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* @param[in] level decomposition level
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* @param[in] lastcomp last component number
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* @param[in] comps pointer to the array that stores the requested components
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* @param[in] layers number of quality layers
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* @param[in] msgqueue message queue
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* @return
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*/
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void enqueue_allprecincts( int tile_id, int level, int lastcomp, bool *comps, int layers, msgqueue_param_t *msgqueue);
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void enqueue_imagedata( query_param_t query_param, msgqueue_param_t *msgqueue)
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{
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index_param_t *codeidx;
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imgreg_param_t imgreg;
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range_param_t tile_Xrange, tile_Yrange;
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int u, v, tile_id;
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int xmin, xmax, ymin, ymax;
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int numOfreslev;
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codeidx = msgqueue->cachemodel->target->codeidx;
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if( !(msgqueue->cachemodel->jppstream) && get_nmax( codeidx->tilepart) == 1) // normally not the case
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numOfreslev = 1;
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else
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numOfreslev = codeidx->COD.numOfdecomp+1;
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imgreg = map_viewin2imgreg( query_param.fx, query_param.fy,
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query_param.rx, query_param.ry, query_param.rw, query_param.rh,
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codeidx->SIZ.XOsiz, codeidx->SIZ.YOsiz, codeidx->SIZ.Xsiz, codeidx->SIZ.Ysiz,
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numOfreslev );
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if( query_param.len == 0)
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return;
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for( u=0, tile_id=0; u<codeidx->SIZ.YTnum; u++){
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tile_Yrange = get_tile_Yrange( codeidx->SIZ, tile_id, imgreg.level);
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for( v=0; v<codeidx->SIZ.XTnum; v++, tile_id++){
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tile_Xrange = get_tile_Xrange( codeidx->SIZ, tile_id, imgreg.level);
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if( tile_Xrange.minvalue < tile_Xrange.maxvalue && tile_Yrange.minvalue < tile_Yrange.maxvalue){
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if( tile_Xrange.maxvalue <= imgreg.xosiz + imgreg.ox ||
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tile_Xrange.minvalue >= imgreg.xosiz + imgreg.ox + imgreg.sx ||
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tile_Yrange.maxvalue <= imgreg.yosiz + imgreg.oy ||
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tile_Yrange.minvalue >= imgreg.yosiz + imgreg.oy + imgreg.sy) {
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//printf("Tile completely excluded from view-window %d\n", tile_id);
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// Tile completely excluded from view-window
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}
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else if( tile_Xrange.minvalue >= imgreg.xosiz + imgreg.ox &&
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tile_Xrange.maxvalue <= imgreg.xosiz + imgreg.ox + imgreg.sx &&
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tile_Yrange.minvalue >= imgreg.yosiz + imgreg.oy &&
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tile_Yrange.maxvalue <= imgreg.yosiz + imgreg.oy + imgreg.sy) {
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// Tile completely contained within view-window
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// high priority
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//printf("Tile completely contained within view-window %d\n", tile_id);
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if( msgqueue->cachemodel->jppstream){
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enqueue_tileheader( tile_id, msgqueue);
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enqueue_allprecincts( tile_id, imgreg.level, query_param.lastcomp, query_param.comps, query_param.layers, msgqueue);
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}
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else
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enqueue_tile( tile_id, imgreg.level, msgqueue);
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}
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else{
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// Tile partially overlaps view-window
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// low priority
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//printf("Tile partially overlaps view-window %d\n", tile_id);
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if( msgqueue->cachemodel->jppstream){
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enqueue_tileheader( tile_id, msgqueue);
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xmin = tile_Xrange.minvalue >= imgreg.xosiz + imgreg.ox ? 0 : imgreg.xosiz + imgreg.ox - tile_Xrange.minvalue;
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xmax = tile_Xrange.maxvalue <= imgreg.xosiz + imgreg.ox + imgreg.sx ? tile_Xrange.maxvalue - tile_Xrange.minvalue -1 : imgreg.xosiz + imgreg.ox + imgreg.sx - tile_Xrange.minvalue -1;
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ymin = tile_Yrange.minvalue >= imgreg.yosiz + imgreg.oy ? 0 : imgreg.yosiz + imgreg.oy - tile_Yrange.minvalue;
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ymax = tile_Yrange.maxvalue <= imgreg.yosiz + imgreg.oy + imgreg.sy ? tile_Yrange.maxvalue - tile_Yrange.minvalue -1 : imgreg.yosiz + imgreg.oy + imgreg.sy - tile_Yrange.minvalue -1;
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enqueue_precincts( xmin, xmax, ymin, ymax, tile_id, imgreg.level, query_param.lastcomp, query_param.comps, query_param.layers, msgqueue);
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}
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else
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enqueue_tile( tile_id, imgreg.level, msgqueue);
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}
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}
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}
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}
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}
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void enqueue_precincts( int xmin, int xmax, int ymin, int ymax, int tile_id, int level, int lastcomp, bool *comps, int layers, msgqueue_param_t *msgqueue)
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{
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index_param_t *codeidx;
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int c, u, v, res_lev, dec_lev;
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int seq_id;
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Byte4_t XTsiz, YTsiz;
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Byte4_t XPsiz, YPsiz;
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Byte4_t xminP, xmaxP, yminP, ymaxP;
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codeidx = msgqueue->cachemodel->target->codeidx;
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for( c=0; c<codeidx->SIZ.Csiz; c++)
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if( lastcomp == -1 /*all*/ || ( c<=lastcomp && comps[c])){
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seq_id = 0;
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for( res_lev=0, dec_lev=codeidx->COD.numOfdecomp; dec_lev>=level; res_lev++, dec_lev--){
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XTsiz = get_tile_XSiz( codeidx->SIZ, tile_id, dec_lev);
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YTsiz = get_tile_YSiz( codeidx->SIZ, tile_id, dec_lev);
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XPsiz = ( codeidx->COD.Scod & 0x01) ? codeidx->COD.XPsiz[ res_lev] : XTsiz;
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YPsiz = ( codeidx->COD.Scod & 0x01) ? codeidx->COD.YPsiz[ res_lev] : YTsiz;
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for( u=0; u<ceil((double)YTsiz/(double)YPsiz); u++){
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yminP = u*YPsiz;
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ymaxP = (u+1)*YPsiz-1;
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if( YTsiz <= ymaxP)
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ymaxP = YTsiz-1;
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for( v=0; v<ceil((double)XTsiz/(double)XPsiz); v++, seq_id++){
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xminP = v*XPsiz;
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xmaxP = (v+1)*XPsiz-1;
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if( XTsiz <= xmaxP)
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xmaxP = XTsiz-1;
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if( xmaxP < xmin || xminP > xmax || ymaxP < ymin || yminP > ymax){
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// Precinct completely excluded from view-window
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}
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else if( xminP >= xmin && xmaxP <= xmax && yminP >= ymin && ymaxP <= ymax){
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// Precinct completely contained within view-window
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// high priority
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enqueue_precinct( seq_id, tile_id, c, (dec_lev>level)?-1:layers, msgqueue);
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}
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else{
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// Precinct partially overlaps view-window
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// low priority
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enqueue_precinct( seq_id, tile_id, c, (dec_lev>level)?-1:layers, msgqueue);
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}
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}
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}
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}
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}
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}
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void enqueue_allprecincts( int tile_id, int level, int lastcomp, bool *comps, int layers, msgqueue_param_t *msgqueue)
|
||
|
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{
|
||
|
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index_param_t *codeidx;
|
||
|
|
int c, i, res_lev, dec_lev;
|
||
|
|
int seq_id;
|
||
|
|
Byte4_t XTsiz, YTsiz;
|
||
|
|
Byte4_t XPsiz, YPsiz;
|
||
|
|
|
||
|
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codeidx = msgqueue->cachemodel->target->codeidx;
|
||
|
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|
||
|
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for( c=0; c<codeidx->SIZ.Csiz; c++)
|
||
|
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if( lastcomp == -1 /*all*/ || ( c<=lastcomp && comps[c])){
|
||
|
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seq_id = 0;
|
||
|
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for( res_lev=0, dec_lev=codeidx->COD.numOfdecomp; dec_lev>=level; res_lev++, dec_lev--){
|
||
|
|
|
||
|
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XTsiz = get_tile_XSiz( codeidx->SIZ, tile_id, dec_lev);
|
||
|
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YTsiz = get_tile_YSiz( codeidx->SIZ, tile_id, dec_lev);
|
||
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|
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|
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XPsiz = ( codeidx->COD.Scod & 0x01) ? codeidx->COD.XPsiz[ res_lev] : XTsiz;
|
||
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YPsiz = ( codeidx->COD.Scod & 0x01) ? codeidx->COD.YPsiz[ res_lev] : YTsiz;
|
||
|
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|
||
|
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for( i=0; i<ceil((double)YTsiz/(double)YPsiz)*ceil((double)XTsiz/(double)XPsiz); i++, seq_id++)
|
||
|
|
enqueue_precinct( seq_id, tile_id, c, (dec_lev>level)?-1:layers, msgqueue);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void enqueue_metabins( query_param_t query_param, metadatalist_param_t *metadatalist, msgqueue_param_t *msgqueue)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
for( i=0; query_param.box_type[i][0]!=0 && i<MAX_NUMOFBOX; i++){
|
||
|
|
if( query_param.box_type[i][0] == '*'){
|
||
|
|
// not implemented
|
||
|
|
}
|
||
|
|
else{
|
||
|
|
int idx = search_metadataidx( query_param.box_type[i], metadatalist);
|
||
|
|
|
||
|
|
if( idx != -1)
|
||
|
|
enqueue_metadata( idx, msgqueue);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|