4 * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
5 * Copyright (c) 2002-2011, Professor Benoit Macq
6 * Copyright (c) 2010-2011, Kaori Hagihara
7 * Copyright (c) 2011, Lucian Corlaciu, GSoC
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
35 #include "jpip_parser.h"
36 #include "channel_manager.h"
37 #include "imgreg_manager.h"
40 #include "fcgi_stdio.h"
41 #define logstream FCGI_stdout
43 #define FCGI_stdout stdout
44 #define FCGI_stderr stderr
45 #define logstream stderr
49 bool identify_target( query_param_t query_param, targetlist_param_t *targetlist, target_param_t **target)
52 if( strcmp( query_param.tid, "0") != 0 ){
53 if( query_param.cid[0] != '\0'){
54 fprintf( FCGI_stdout, "Reason: Target can not be specified both through tid and cid\r\n");
55 fprintf( FCGI_stdout, "Status: 400\r\n");
58 if( ( *target = search_targetBytid( query_param.tid, targetlist)))
63 if( query_param.target)
64 if( !( *target = search_target( query_param.target, targetlist)))
65 if(!( *target = gene_target( targetlist, query_param.target)))
69 fprintf( FCGI_stdout, "JPIP-tid: %s\r\n", (*target)->tid);
73 fprintf( FCGI_stdout, "Reason: target not found\r\n");
74 fprintf( FCGI_stdout, "Status: 400\r\n");
79 bool associate_channel( query_param_t query_param,
80 sessionlist_param_t *sessionlist,
81 session_param_t **cursession,
82 channel_param_t **curchannel)
84 if( search_session_and_channel( query_param.cid, sessionlist, cursession, curchannel)){
86 if( !query_param.cnew)
87 set_channel_variable_param( query_param, *curchannel);
90 fprintf( FCGI_stderr, "Error: process canceled\n");
96 bool open_channel( query_param_t query_param,
97 sessionlist_param_t *sessionlist,
98 auxtrans_param_t auxtrans,
99 target_param_t *target,
100 session_param_t **cursession,
101 channel_param_t **curchannel)
103 cachemodel_param_t *cachemodel = NULL;
107 *cursession = gene_session( sessionlist);
108 if( !( cachemodel = search_cachemodel( target, (*cursession)->cachemodellist)))
109 if( !(cachemodel = gene_cachemodel( (*cursession)->cachemodellist, target, query_param.return_type==JPPstream)))
114 cachemodel = (*curchannel)->cachemodel;
116 *curchannel = gene_channel( query_param, auxtrans, cachemodel, (*cursession)->channellist);
117 if( *curchannel == NULL)
123 bool close_channel( query_param_t query_param,
124 sessionlist_param_t *sessionlist,
125 session_param_t **cursession,
126 channel_param_t **curchannel)
131 if( query_param.cclose[0] =='*'){
133 fprintf( logstream, "local log: close all\n");
135 // all channels associatd with the session will be closed
136 if( !delete_session( cursession, sessionlist))
140 // check if all entry belonging to the same session
142 for( i=0, cclose=query_param.cclose; i<query_param.numOfcclose; i++, cclose += (strlen(cclose)+1)){
144 // In case of the first entry of close cid
145 if( *cursession == NULL){
146 if( !search_session_and_channel( cclose, sessionlist, cursession, curchannel))
149 else // second or more entry of close cid
150 if( !(*curchannel=search_channel( cclose, (*cursession)->channellist))){
151 fprintf( FCGI_stdout, "Reason: Cclose id %s is from another session\r\n", cclose);
157 for( i=0, cclose=query_param.cclose; i<query_param.numOfcclose; i++, cclose += (strlen(cclose)+1)){
158 *curchannel = search_channel( cclose, (*cursession)->channellist);
159 delete_channel( curchannel, (*cursession)->channellist);
162 if( (*cursession)->channellist->first == NULL || (*cursession)->channellist->last == NULL)
163 // In case of empty session
164 delete_session( cursession, sessionlist);
171 * enqueue tiles or precincts into the message queue
173 * @param[in] query_param structured query
174 * @param[in] msgqueue message queue pointer
176 void enqueue_imagedata( query_param_t query_param, msgqueue_param_t *msgqueue);
179 * enqueue metadata bins into the message queue
181 * @param[in] query_param structured query
182 * @param[in] metadatalist pointer to metadata bin list
183 * @param[in,out] msgqueue message queue pointer
184 * @return if succeeded (true) or failed (false)
186 bool enqueue_metabins( query_param_t query_param, metadatalist_param_t *metadatalist, msgqueue_param_t *msgqueue);
189 bool gene_JPIPstream( query_param_t query_param,
190 target_param_t *target,
191 session_param_t *cursession,
192 channel_param_t *curchannel,
193 msgqueue_param_t **msgqueue)
195 index_param_t *codeidx;
196 cachemodel_param_t *cachemodel;
198 if( !cursession || !curchannel){ // stateless
201 if( !(cachemodel = gene_cachemodel( NULL, target, query_param.return_type==JPPstream)))
203 *msgqueue = gene_msgqueue( true, cachemodel);
206 cachemodel = curchannel->cachemodel;
207 target = cachemodel->target;
208 *msgqueue = gene_msgqueue( false, cachemodel);
211 codeidx = target->codeidx;
213 if( cachemodel->jppstream)
214 fprintf( FCGI_stdout, "Content-type: image/jpp-stream\r\n");
216 fprintf( FCGI_stdout, "Content-type: image/jpt-stream\r\n");
218 if( query_param.layers != -1){
219 if( query_param.layers > codeidx->COD.numOflayers){
220 fprintf( FCGI_stdout, "JPIP-layers: %d\r\n", codeidx->COD.numOflayers);
221 query_param.layers = codeidx->COD.numOflayers;
226 if( query_param.box_type[0][0] != 0 && query_param.len != 0)
227 if( !enqueue_metabins( query_param, codeidx->metadatalist, *msgqueue))
230 if( query_param.metadata_only)
234 if( !cachemodel->mhead_model && query_param.len != 0)
235 enqueue_mainheader( *msgqueue);
238 if( (query_param.fx > 0 && query_param.fy > 0))
239 enqueue_imagedata( query_param, *msgqueue);
246 * enqueue precinct data-bins into the queue
248 * @param[in] xmin min x coordinate in the tile at the decomposition level
249 * @param[in] xmax max x coordinate in the tile at the decomposition level
250 * @param[in] ymin min y coordinate in the tile at the decomposition level
251 * @param[in] ymax max y coordinate in the tile at the decomposition level
252 * @param[in] tile_id tile index
253 * @param[in] level decomposition level
254 * @param[in] lastcomp last component number
255 * @param[in] comps pointer to the array that stores the requested components
256 * @param[in] layers number of quality layers
257 * @param[in] msgqueue message queue
260 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);
263 * enqueue all precincts inside a tile into the queue
265 * @param[in] tile_id tile index
266 * @param[in] level decomposition level
267 * @param[in] lastcomp last component number
268 * @param[in] comps pointer to the array that stores the requested components
269 * @param[in] layers number of quality layers
270 * @param[in] msgqueue message queue
273 void enqueue_allprecincts( int tile_id, int level, int lastcomp, bool *comps, int layers, msgqueue_param_t *msgqueue);
275 void enqueue_imagedata( query_param_t query_param, msgqueue_param_t *msgqueue)
277 index_param_t *codeidx;
278 imgreg_param_t imgreg;
279 range_param_t tile_Xrange, tile_Yrange;
281 int xmin, xmax, ymin, ymax;
284 codeidx = msgqueue->cachemodel->target->codeidx;
286 if( !(msgqueue->cachemodel->jppstream) && get_nmax( codeidx->tilepart) == 1) // normally not the case
289 numOfreslev = codeidx->COD.numOfdecomp+1;
291 imgreg = map_viewin2imgreg( query_param.fx, query_param.fy,
292 query_param.rx, query_param.ry, query_param.rw, query_param.rh,
293 codeidx->SIZ.XOsiz, codeidx->SIZ.YOsiz, codeidx->SIZ.Xsiz, codeidx->SIZ.Ysiz,
296 if( query_param.len == 0)
299 for( u=0, tile_id=0; u<codeidx->SIZ.YTnum; u++){
300 tile_Yrange = get_tile_Yrange( codeidx->SIZ, tile_id, imgreg.level);
302 for( v=0; v<codeidx->SIZ.XTnum; v++, tile_id++){
303 tile_Xrange = get_tile_Xrange( codeidx->SIZ, tile_id, imgreg.level);
305 if( tile_Xrange.minvalue < tile_Xrange.maxvalue && tile_Yrange.minvalue < tile_Yrange.maxvalue){
306 if( tile_Xrange.maxvalue <= imgreg.xosiz + imgreg.ox ||
307 tile_Xrange.minvalue >= imgreg.xosiz + imgreg.ox + imgreg.sx ||
308 tile_Yrange.maxvalue <= imgreg.yosiz + imgreg.oy ||
309 tile_Yrange.minvalue >= imgreg.yosiz + imgreg.oy + imgreg.sy) {
310 //printf("Tile completely excluded from view-window %d\n", tile_id);
311 // Tile completely excluded from view-window
313 else if( tile_Xrange.minvalue >= imgreg.xosiz + imgreg.ox &&
314 tile_Xrange.maxvalue <= imgreg.xosiz + imgreg.ox + imgreg.sx &&
315 tile_Yrange.minvalue >= imgreg.yosiz + imgreg.oy &&
316 tile_Yrange.maxvalue <= imgreg.yosiz + imgreg.oy + imgreg.sy) {
317 // Tile completely contained within view-window
319 //printf("Tile completely contained within view-window %d\n", tile_id);
320 if( msgqueue->cachemodel->jppstream){
321 enqueue_tileheader( tile_id, msgqueue);
322 enqueue_allprecincts( tile_id, imgreg.level, query_param.lastcomp, query_param.comps, query_param.layers, msgqueue);
325 enqueue_tile( tile_id, imgreg.level, msgqueue);
328 // Tile partially overlaps view-window
330 //printf("Tile partially overlaps view-window %d\n", tile_id);
331 if( msgqueue->cachemodel->jppstream){
332 enqueue_tileheader( tile_id, msgqueue);
334 xmin = tile_Xrange.minvalue >= imgreg.xosiz + imgreg.ox ? 0 : imgreg.xosiz + imgreg.ox - tile_Xrange.minvalue;
335 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;
336 ymin = tile_Yrange.minvalue >= imgreg.yosiz + imgreg.oy ? 0 : imgreg.yosiz + imgreg.oy - tile_Yrange.minvalue;
337 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;
338 enqueue_precincts( xmin, xmax, ymin, ymax, tile_id, imgreg.level, query_param.lastcomp, query_param.comps, query_param.layers, msgqueue);
341 enqueue_tile( tile_id, imgreg.level, msgqueue);
349 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)
351 index_param_t *codeidx;
352 int c, u, v, res_lev, dec_lev;
354 Byte4_t XTsiz, YTsiz;
355 Byte4_t XPsiz, YPsiz;
356 Byte4_t xminP, xmaxP, yminP, ymaxP;
358 codeidx = msgqueue->cachemodel->target->codeidx;
360 for( c=0; c<codeidx->SIZ.Csiz; c++)
361 if( lastcomp == -1 /*all*/ || ( c<=lastcomp && comps[c])){
363 for( res_lev=0, dec_lev=codeidx->COD.numOfdecomp; dec_lev>=level; res_lev++, dec_lev--){
365 XTsiz = get_tile_XSiz( codeidx->SIZ, tile_id, dec_lev);
366 YTsiz = get_tile_YSiz( codeidx->SIZ, tile_id, dec_lev);
368 XPsiz = ( codeidx->COD.Scod & 0x01) ? codeidx->COD.XPsiz[ res_lev] : XTsiz;
369 YPsiz = ( codeidx->COD.Scod & 0x01) ? codeidx->COD.YPsiz[ res_lev] : YTsiz;
371 for( u=0; u<ceil((double)YTsiz/(double)YPsiz); u++){
373 ymaxP = (u+1)*YPsiz-1;
377 for( v=0; v<ceil((double)XTsiz/(double)XPsiz); v++, seq_id++){
379 xmaxP = (v+1)*XPsiz-1;
383 if( xmaxP < xmin || xminP > xmax || ymaxP < ymin || yminP > ymax){
384 // Precinct completely excluded from view-window
386 else if( xminP >= xmin && xmaxP <= xmax && yminP >= ymin && ymaxP <= ymax){
387 // Precinct completely contained within view-window
389 enqueue_precinct( seq_id, tile_id, c, (dec_lev>level)?-1:layers, msgqueue);
392 // Precinct partially overlaps view-window
394 enqueue_precinct( seq_id, tile_id, c, (dec_lev>level)?-1:layers, msgqueue);
402 void enqueue_allprecincts( int tile_id, int level, int lastcomp, bool *comps, int layers, msgqueue_param_t *msgqueue)
404 index_param_t *codeidx;
405 int c, i, res_lev, dec_lev;
407 Byte4_t XTsiz, YTsiz;
408 Byte4_t XPsiz, YPsiz;
410 codeidx = msgqueue->cachemodel->target->codeidx;
412 for( c=0; c<codeidx->SIZ.Csiz; c++)
413 if( lastcomp == -1 /*all*/ || ( c<=lastcomp && comps[c])){
415 for( res_lev=0, dec_lev=codeidx->COD.numOfdecomp; dec_lev>=level; res_lev++, dec_lev--){
417 XTsiz = get_tile_XSiz( codeidx->SIZ, tile_id, dec_lev);
418 YTsiz = get_tile_YSiz( codeidx->SIZ, tile_id, dec_lev);
420 XPsiz = ( codeidx->COD.Scod & 0x01) ? codeidx->COD.XPsiz[ res_lev] : XTsiz;
421 YPsiz = ( codeidx->COD.Scod & 0x01) ? codeidx->COD.YPsiz[ res_lev] : YTsiz;
423 for( i=0; i<ceil((double)YTsiz/(double)YPsiz)*ceil((double)XTsiz/(double)XPsiz); i++, seq_id++)
424 enqueue_precinct( seq_id, tile_id, c, (dec_lev>level)?-1:layers, msgqueue);
429 bool enqueue_metabins( query_param_t query_param, metadatalist_param_t *metadatalist, msgqueue_param_t *msgqueue)
432 for( i=0; query_param.box_type[i][0]!=0 && i<MAX_NUMOFBOX; i++){
433 if( query_param.box_type[i][0] == '*'){
434 fprintf( FCGI_stdout, "Status: 501\r\n");
435 fprintf( FCGI_stdout, "Reason: metareq with all box-property * not implemented\r\n");
439 int idx = search_metadataidx( query_param.box_type[i], metadatalist);
442 enqueue_metadata( idx, msgqueue);
444 fprintf( FCGI_stdout, "Status: 400\r\n");
445 fprintf( FCGI_stdout, "Reason: box-type %.4s not found\r\n", query_param.box_type[i]);