service_yaml.c @ 968

Last change on this file since 968 was 790, checked in by djay, 8 years ago
Add support for nested inputs and outputs.
File size: 18.0 KB

Line
1	/*
2	* Author : Gérald FENOY
3	*
4	* Copyright 2014 GeoLabs SARL. All rights reserved.
5	*
6	* Permission is hereby granted, free of charge, to any person obtaining a copy
7	* of this software and associated documentation files (the "Software"), to deal
8	* in the Software without restriction, including without limitation the rights
9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10	* copies of the Software, and to permit persons to whom the Software is
11	* furnished to do so, subject to the following conditions:
12	*
13	* The above copyright notice and this permission notice shall be included in
14	* all copies or substantial portions of the Software.
15	*
16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22	* THE SOFTWARE.
23	*/
24
25	#include <stdio.h>
26	#include <ctype.h>
27	#include <service.h>
28	#include <yaml.h>
29
30	static service* my_service=NULL;
31	static map* current_content=NULL;
32	static elements* current_element=NULL;
33
34	#ifdef __cplusplus
35	extern "C" {
36	#endif
37
38	/**
39	* Read and parse a ZCFG file in YAML format
40	*
41	* @param conf the conf maps containing the main.cfg settings
42	* @param file the file name to read
43	* @param service the service structure to fill
44	* @param name the service name
45	* @return 1 on success, -1 if error occurred
46	*/
47	int getServiceFromYAML(maps* conf, char* file,service** service,char *name){
48	FILE *fh;
49	if(current_content!=NULL){
50	freeMap(&current_content);
51	free(current_content);
52	current_content=NULL;
53	}
54	#ifdef DEBUG_SERVICE_CONF
55	fprintf(stderr,"(STARTING)FREE current_element\n");
56	#endif
57	if(current_element!=NULL){
58	freeElements(&current_element);
59	free(current_element);
60	current_element=NULL;
61	}
62	my_service=NULL;
63
64	my_service=*service;
65	my_service->name=strdup(name);
66	my_service->content=NULL;
67	my_service->metadata=NULL;
68	my_service->inputs=NULL;
69	my_service->outputs=NULL;
70	fh = fopen(file,"r");
71	if (fh==NULL){
72	fprintf(stderr,"error : file not found\n") ;
73	return -1;
74	}
75	yaml_parser_t parser;
76	yaml_token_t token; /* new variable */
77
78	/* Initialize parser */
79	if(!yaml_parser_initialize(&parser))
80	fputs("Failed to initialize parser!\n", stderr);
81	if(fh == NULL)
82	fputs("Failed to open file!\n", stderr);
83	/* Set input file */
84	yaml_parser_set_input_file(&parser, fh);
85	/* BEGIN new code */
86	int nleveld=-1;
87	int level=0;
88	int plevel=level;
89	int nlevel=0;
90	int pnlevel=0;
91	int ilevel=-1;
92	int blevel=-1;
93	int ttype=0;
94	int outputs=-1;
95	int noutputs=-1;
96	int wait_metadata=-1;
97	char *cur_key;
98	do {
99	yaml_parser_scan(&parser, &token);
100	switch(token.type)
101	{
102	/* Stream start/end */
103	case YAML_STREAM_START_TOKEN:
104	#ifdef DEBUG_YAML
105	puts("STREAM START");
106	#endif
107	break;
108	case YAML_STREAM_END_TOKEN:
109	#ifdef DEBUG_YAML
110	puts("STREAM END");
111	#endif
112	break;
113	/* Token types (read before actual token) */
114	case YAML_KEY_TOKEN:
115	#ifdef DEBUG_YAML
116	printf("(Key token) ");
117	#endif
118	ttype=0;
119	break;
120	case YAML_VALUE_TOKEN:
121	#ifdef DEBUG_YAML
122	printf("(Value token) ");
123	#endif
124	ttype=1;
125	break;
126	/* Block delimeters */
127	case YAML_BLOCK_SEQUENCE_START_TOKEN:
128	#ifdef DEBUG_YAML
129	puts("<b>Start Block (Sequence)</b>");
130	#endif
131	break;
132	case YAML_BLOCK_ENTRY_TOKEN:
133	#ifdef DEBUG_YAML
134	puts("<b>Start Block (Entry)</b>");
135	#endif
136	break;
137	case YAML_BLOCK_END_TOKEN:
138	blevel--;
139	if(ilevel>=0)
140	ilevel--;
141	#ifdef DEBUG_YAML
142	printf("<b>End block</b> (%d,%d,%d,%d)\n", blevel,level,ilevel,ttype);
143	#endif
144	break;
145	/* Data */
146	case YAML_BLOCK_MAPPING_START_TOKEN:
147	#ifdef DEBUG_YAML
148	puts("[Block mapping]");
149	#endif
150	blevel++;
151	break;
152	case YAML_SCALAR_TOKEN:
153	if((blevel-1)/2<nlevel){
154	pnlevel=nlevel;
155	nlevel=(blevel-1)/2;
156	nleveld=1;
157	}else
158	nleveld=-1;
159	if(ttype==0){
160	cur_key=zStrdup((char *)token.data.scalar.value);
161	}
162	if(ttype==1){
163	if(current_content==NULL){
164	current_content=createMap(cur_key,(char *)token.data.scalar.value);
165	}else{
166	addToMap(current_content,cur_key,(char *)token.data.scalar.value);
167	}
168	free(cur_key);
169	cur_key=NULL;
170	}
171
172	if(ttype==0 && blevel==0 && level==0 && strcasecmp((char *)token.data.scalar.value,"MetaData")==0 && blevel==0){
173	addMapToMap(&my_service->content,current_content);
174	#ifdef DEBUG_YAML
175	fprintf(stderr,"MSG: %s %d \n",__FILE__,__LINE__);
176	#endif
177	freeMap(&current_content);
178	free(current_content);
179	current_content=NULL;
180	wait_metadata=1;
181	}
182	if(ttype==0 && blevel>0 && level>0 && strcasecmp((char *)token.data.scalar.value,"MetaData")==0){
183	if(current_element->content==NULL && current_content!=NULL)
184	addMapToMap(&current_element->content,current_content);
185	#ifdef DEBUG_YAML
186	dumpMap(current_content);
187	fprintf(stderr,"MSG: %s %d \n",__FILE__,__LINE__);
188	#endif
189	freeMap(&current_content);
190	free(current_content);
191	current_content=NULL;
192	wait_metadata=1;
193	}
194	if(strcasecmp((char *)token.data.scalar.value,"Child")==0){
195	elements* cursor=my_service->inputs;
196	if(outputs==1)
197	cursor=my_service->outputs;
198	for(int i=0;(blevel/2)>1 && i<(blevel/2)-1 && cursor!=NULL;i++){
199	while(cursor->next!=NULL)
200	cursor=cursor->next;
201	if(cursor->child!=NULL){
202	cursor=cursor->child;
203	}
204	}
205	if(current_content!=NULL){
206	addMapToMap(&current_element->content,current_content);
207	freeMap(&current_content);
208	free(current_content);
209	current_content=NULL;
210	}
211	if(current_element!=NULL){
212	if(blevel/2>1 && cursor!=NULL){
213	if(cursor->child==NULL)
214	cursor->child=dupElements(current_element);
215	else
216	addToElements(&cursor->child,current_element);
217	}
218	else{
219	if(outputs<0)
220	if(my_service->inputs==NULL)
221	my_service->inputs=dupElements(current_element);
222	else
223	addToElements(&my_service->inputs,current_element);
224	else
225	if(my_service->inputs==NULL)
226	my_service->outputs=dupElements(current_element);
227	else
228	addToElements(&my_service->outputs,current_element);
229	}
230	freeElements(&current_element);
231	free(current_element);
232	current_element=NULL;
233	}
234	nlevel+=1;
235	}
236	if(ttype==0 && strcasecmp((char *)token.data.scalar.value,"inputs")==0 && blevel==0){
237	if(wait_metadata>0){
238	addMapToMap(&my_service->metadata,current_content);
239	wait_metadata=-1;
240	}else{
241	if(current_content!=NULL && my_service->content==NULL)
242	addMapToMap(&my_service->content,current_content);
243	}
244	#ifdef DEBUG_YAML
245	dumpMap(current_content);
246	fprintf(stderr,"MSG: %s %d \n",__FILE__,__LINE__);
247	#endif
248	freeMap(&current_content);
249	free(current_content);
250	current_content=NULL;
251	wait_metadata=false;
252	level++;
253	}
254	if(ttype==0 && strcasecmp((char *)token.data.scalar.value,"outputs")==0 && blevel==1){
255	outputs=1;
256	level++;
257	#ifdef DEBUG_YAML
258	dumpMap(current_content);
259	printf("\n***\n%d (%d,%d,%d,%d)\n+++\n", current_element->defaults==NULL,blevel,level,ilevel,ttype);
260	#endif
261	if(current_element->defaults==NULL && current_content!=NULL && ilevel<0){
262	current_element->defaults=(iotype*)malloc(IOTYPE_SIZE);
263	current_element->defaults->content=NULL;
264	current_element->defaults->next=NULL;
265	addMapToMap(&current_element->defaults->content,current_content);
266	#ifdef DEBUG_YAML
267	dumpElements(current_element);
268	dumpMap(current_content);
269	fprintf(stderr,"MSG: %s %d \n",__FILE__,__LINE__);
270	#endif
271	freeMap(&current_content);
272	free(current_content);
273	current_content=NULL;
274	}else{
275	if(current_content!=NULL && ilevel<=0){
276	addMapToIoType(&current_element->supported,current_content);
277	#ifdef DEBUG_YAML
278	dumpElements(current_element);
279	dumpMap(current_content);
280	fprintf(stderr,"MSG: %s %d \n",__FILE__,__LINE__);
281	#endif
282	freeMap(&current_content);
283	free(current_content);
284	current_content=NULL;
285	}
286	}
287	}
288	if(level==1 && strcasecmp((char *)token.data.scalar.value,"default")==0){
289	ilevel=0;
290	}
291	if(level==1 && strcasecmp((char *)token.data.scalar.value,"supported")==0){
292	#ifdef DEBUG_YAML
293	dumpMap(current_content);
294	printf("\n***\n%d (%d,%d,%d,%d)\n+++\n", current_element->defaults==NULL,blevel,level,ilevel,ttype);
295	#endif
296	if(current_element->defaults==NULL && current_content!=NULL && ilevel<0){
297	current_element->defaults=(iotype*)malloc(IOTYPE_SIZE);
298	current_element->defaults->content=NULL;
299	current_element->defaults->next=NULL;
300	addMapToMap(&current_element->defaults->content,current_content);
301	#ifdef DEBUG_YAML
302	dumpElements(current_element);
303	dumpMap(current_content);
304	fprintf(stderr,"MSG: %s %d \n",__FILE__,__LINE__);
305	#endif
306	freeMap(&current_content);
307	free(current_content);
308	current_content=NULL;
309	}else{
310	if(current_content!=NULL && ilevel<=0){
311	if(current_element->supported==NULL){
312	current_element->supported=(iotype*)malloc(IOTYPE_SIZE);
313	current_element->supported->content=NULL;
314	current_element->supported->next=NULL;
315	}
316	addMapToMap(&current_element->supported->content,current_content);
317	#ifdef DEBUG_YAML
318	dumpElements(current_element);
319	fprintf(stderr,"MSG: %s %d \n",__FILE__,__LINE__);
320	#endif
321	freeMap(&current_content);
322	free(current_content);
323	current_content=NULL;
324	}
325	}
326	ilevel=1;
327	}
328
329
330	if(strncasecmp((char *)token.data.scalar.value,"ComplexData",11)==0 \|\|
331	strncasecmp((char *)token.data.scalar.value,"LiteralData",10)==0 \|\|
332	strncasecmp((char *)token.data.scalar.value,"ComplexOutput",13)==0 \|\|
333	strncasecmp((char *)token.data.scalar.value,"LiteralOutput",12)==0 \|\|
334	strncasecmp((char *)token.data.scalar.value,"BoundingBoxOutput",13)==0 \|\|
335	strncasecmp((char *)token.data.scalar.value,"BoundingBoxData",12)==0){
336	current_element->format=zStrdup((char *)token.data.scalar.value);
337	free(cur_key);
338	cur_key=NULL;
339	if(wait_metadata>0 && current_content!=NULL){
340	addMapToMap(&current_element->metadata,current_content);
341	wait_metadata=-1;
342	}else{
343	if(current_content!=NULL){
344	addMapToMap(&current_element->content,current_content);
345	}
346	}
347	#ifdef DEBUG_YAML
348	dumpMap(current_content);
349	fprintf(stderr,"MSG: %s %d \n",__FILE__,__LINE__);
350	#endif
351	freeMap(&current_content);
352	free(current_content);
353	current_content=NULL;
354	#ifdef DEBUG_YAML
355	dumpElements(current_element);
356	#endif
357	}
358
359	if(strcasecmp(token.data.scalar.value,"default")!=0 && strcasecmp(token.data.scalar.value,"supported")!=0 && level==1 && (blevel-1)%2==0 && blevel!=1 && (blevel-1)/2==nlevel){
360	if(current_element==NULL)
361	current_element=createElements((char *)token.data.scalar.value);
362	else{
363	if(current_content!=NULL){
364	if(current_element->defaults==NULL){
365	current_element->defaults=(iotype*)malloc(IOTYPE_SIZE);
366	current_element->defaults->content=NULL;
367	current_element->defaults->next=NULL;
368	addMapToMap(&current_element->defaults->content,current_content);
369	}else{
370	if(current_element->supported==NULL){
371	current_element->supported=(iotype*)malloc(IOTYPE_SIZE);
372	current_element->supported->content=NULL;
373	current_element->supported->next=NULL;
374	addMapToMap(&current_element->supported->content,current_content);
375	}else
376	addMapToIoType(&current_element->supported,current_content);
377	}
378	freeMap(&current_content);
379	free(current_content);
380	current_content=NULL;
381	}
382
383	elements* cursor=my_service->inputs;
384	if(outputs==1)
385	cursor=my_service->outputs;
386	int llevel=((blevel-1)/2);
387	if(nleveld>0)
388	llevel=((blevel-1)/2)+1;
389	for(int i=0;llevel>1 && i<llevel-1 && cursor!=NULL;i++){
390	while(cursor->next!=NULL)
391	cursor=cursor->next;
392	if(cursor->child!=NULL){
393	cursor=cursor->child;
394	}
395	}
396	if(llevel>1)
397	if(cursor->child==NULL)
398	cursor->child=dupElements(current_element);
399	else
400	addToElements(&cursor->child,current_element);
401	else
402	if(cursor==NULL)
403	cursor=dupElements(current_element);
404	else
405	addToElements(&cursor,current_element);
406	freeElements(&current_element);
407	free(current_element);
408	current_element=NULL;
409	current_element=createElements((char *)token.data.scalar.value);
410	}
411	}
412	if(blevel==1 && level==1){
413	if(current_element!=NULL && current_content!=NULL){
414	if(current_element->defaults==NULL){
415	current_element->defaults=(iotype*)malloc(IOTYPE_SIZE);
416	current_element->defaults->content=NULL;
417	current_element->defaults->next=NULL;
418	addMapToMap(&current_element->defaults->content,current_content);
419	}else{
420	if(current_element->supported==NULL){
421	current_element->supported=(iotype*)malloc(IOTYPE_SIZE);
422	current_element->supported->content=NULL;
423	current_element->supported->next=NULL;
424	addMapToMap(&current_element->supported->content,current_content);
425	}else
426	addMapToIoType(&current_element->supported,current_content);
427	}
428	freeMap(&current_content);
429	free(current_content);
430	current_content=NULL;
431	}
432	if(nleveld<0){
433	if(current_element!=NULL){
434	if(outputs<0)
435	if(my_service->inputs==NULL)
436	my_service->inputs=dupElements(current_element);
437	else
438	addToElements(&my_service->inputs,current_element);
439	else
440	if(my_service->outputs==NULL)
441	my_service->outputs=dupElements(current_element);
442	else
443	addToElements(&my_service->outputs,current_element);
444	freeElements(&current_element);
445	free(current_element);
446	}
447	}
448	else{
449	if(current_element!=NULL){
450	elements* cursor=my_service->inputs;
451	if(outputs==1)
452	cursor=my_service->outputs;
453	while(cursor->next!=NULL)
454	cursor=cursor->next;
455	for(int i=0;pnlevel>1 && i<pnlevel-1 && cursor!=NULL;i++){
456	while(cursor->next!=NULL)
457	cursor=cursor->next;
458	if(cursor->child!=NULL){
459	cursor=cursor->child;
460	}
461	}
462	if(cursor->child==NULL)
463	cursor->child=dupElements(current_element);
464	else
465	addToElements(&cursor->child,current_element);
466	freeElements(&current_element);
467	free(current_element);
468	}
469	}
470	plevel=level;
471	current_element=createElements((char *)token.data.scalar.value);
472	}
473	if(blevel==1 && level==2){
474	if(current_element!=NULL && current_content!=NULL){
475	if(current_element->defaults==NULL){
476	current_element->defaults=(iotype*)malloc(IOTYPE_SIZE);
477	current_element->defaults->content=NULL;
478	current_element->defaults->next=NULL;
479	addMapToMap(&current_element->defaults->content,current_content);
480	}else{
481	if(current_element->supported==NULL){
482	current_element->supported=(iotype*)malloc(IOTYPE_SIZE);
483	current_element->supported->content=NULL;
484	current_element->supported->next=NULL;
485	addMapToMap(&current_element->supported->content,current_content);
486	}else
487	addMapToIoType(&current_element->supported,current_content);
488	}
489	freeMaps(&current_content);
490	free(current_content);
491	current_content=NULL;
492	}
493	if(current_element!=NULL){
494	if(plevel==level){
495	if(my_service->outputs==NULL)
496	my_service->outputs=dupElements(current_element);
497	else
498	addToElements(&my_service->outputs,current_element);
499	}else{
500	if(my_service->inputs==NULL)
501	my_service->inputs=dupElements(current_element);
502	else
503	addToElements(&my_service->inputs,current_element);
504	}
505	freeElements(&current_element);
506	free(current_element);
507	}
508	plevel=level;
509	current_element=createElements((char *)token.data.scalar.value);
510
511	}
512
513	if(noutputs>0)
514	outputs=1;
515	if(strcasecmp((char *)token.data.scalar.value,"outputs")==0 && ttype==0 && blevel==0){
516	noutputs=1;
517	}
518
519
520
521	#ifdef DEBUG_YAML
522	printf("scalar %s (%d,%d,%d,%d,%d)\n", token.data.scalar.value,blevel,level,plevel,ilevel,ttype);
523	#endif
524	break;
525	/* Others */
526	default:
527	if(token.type==0){
528	char tmp[1024];
529	sprintf(tmp,"Wrong charater found in %s: \\t",name);
530	setMapInMaps(conf,"lenv","message",tmp);
531	return -1;
532	}
533	#ifdef DEBUG_YAML
534	printf("Got token of type %d\n", token.type);
535	#endif
536	break;
537	}
538	if(token.type != YAML_STREAM_END_TOKEN )
539	yaml_token_delete(&token);
540	} while(token.type != YAML_STREAM_END_TOKEN);
541	yaml_token_delete(&token);
542
543
544	#ifdef DEBUG_YAML
545	fprintf(stderr,"MSG: %s %d \n",__FILE__,__LINE__);
546	#endif
547	if(current_element!=NULL && current_content!=NULL){
548	if(current_element->defaults==NULL){
549	current_element->defaults=(iotype*)malloc(IOTYPE_SIZE);
550	current_element->defaults->content=NULL;
551	current_element->defaults->next=NULL;
552	addMapToMap(&current_element->defaults->content,current_content);
553	}else{
554	if(current_element->supported==NULL){
555	current_element->supported=(iotype*)malloc(IOTYPE_SIZE);
556	current_element->supported->content=NULL;
557	current_element->supported->next=NULL;
558	addMapToMap(&current_element->supported->content,current_content);
559	}else
560	addMapToIoType(&current_element->supported,current_content);
561	}
562	#ifdef DEBUG_YAML
563	dumpMap(current_content);
564	fprintf(stderr,"MSG: %s %d \n",__FILE__,__LINE__);
565	#endif
566	freeMap(&current_content);
567	free(current_content);
568	current_content=NULL;
569	}
570
571	if(current_element!=NULL){
572	if(nlevel>0){
573	elements* cursor=my_service->inputs;
574	if(outputs==1)
575	cursor=my_service->outputs;
576	for(int i=0;nlevel>1 && i<nlevel-1 && cursor!=NULL;i++){
577	while(cursor->next!=NULL)
578	cursor=cursor->next;
579	if(cursor->child!=NULL){
580	cursor=cursor->child;
581	}
582	}
583	if(cursor->child==NULL)
584	cursor->child=dupElements(current_element);
585	else
586	addToElements(&cursor->child,current_element);
587	}else{
588	if(my_service->outputs==NULL)
589	my_service->outputs=dupElements(current_element);
590	else
591	addToElements(&my_service->outputs,current_element);
592	}
593	freeElements(&current_element);
594	free(current_element);
595	current_element=NULL;
596	}
597	/* END new code */
598
599	/* Cleanup */
600	yaml_parser_delete(&parser);
601	fclose(fh);
602
603	#ifdef DEBUG_YAML
604	dumpService(my_service);
605	#endif
606	*service=my_service;
607
608	return 1;
609	}
610	#ifdef __cplusplus
611	}
612	#endif

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source: branches/ms-style/zoo-project/zoo-kernel/service_yaml.c @ 968

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