Add new resized event type.
[platform/framework/web/livebox-viewer.git] / src / client.c
1 /*
2  * Copyright 2012  Samsung Electronics Co., Ltd
3  *
4  * Licensed under the Flora License, Version 1.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.tizenopensource.org/license
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 #include <stdio.h>
18 #include <unistd.h>
19 #include <errno.h>
20 #include <string.h>
21 #include <stdlib.h>
22
23 #include <dlog.h>
24 #include <glib.h>
25
26 #include <packet.h>
27 #include <com-core.h>
28 #include <com-core_packet.h>
29
30 #include "debug.h"
31 #include "client.h"
32 #include "livebox.h"
33 #include "livebox_internal.h"
34 #include "desc_parser.h"
35 #include "fb.h"
36 #include "util.h"
37 #include "master_rpc.h"
38 #include "conf.h"
39 #include "critical_log.h"
40
41 static inline void make_connection(void);
42
43 static struct info {
44         int fd;
45         guint reconnector;
46 } s_info = {
47         .fd = -1,
48         .reconnector = 0,
49 };
50
51 static struct packet *master_fault_package(pid_t pid, int handle, const struct packet *packet)
52 {
53         const char *pkgname;
54         const char *id;
55         const char *function;
56
57         if (packet_get(packet, "sss", &pkgname, &id, &function) != 3) {
58                 ErrPrint("Invalid arguments\n");
59                 return NULL;
60         }
61
62         master_rpc_clear_fault_package(pkgname);
63         lb_invoke_fault_handler(LB_FAULT_DEACTIVATED, pkgname, id, function);
64         DbgPrint("%s(%s) is deactivated\n", pkgname, id);
65         return NULL;
66 }
67
68 static struct packet *master_pinup(pid_t pid, int handle, const struct packet *packet)
69 {
70         const char *pkgname;
71         const char *id;
72         const char *content;
73         struct livebox *handler;
74         char *new_content;
75         int ret;
76         int pinup;
77
78         ret = packet_get(packet, "iisss", &ret, &pinup, &pkgname, &id, &content);
79         if (ret != 5) {
80                 ErrPrint("Invalid argument\n");
81                 ret = -EINVAL;
82                 goto out;
83         }
84
85         handler = lb_find_livebox(pkgname, id);
86         if (!handler) {
87                 ret = -ENOENT;
88                 goto out;
89         }
90
91         if (ret == 0) {
92                 new_content = strdup(content);
93                 if (new_content) {
94                         free(handler->content);
95                         handler->content = new_content;
96                         handler->is_pinned_up = pinup;
97                 } else {
98                         ErrPrint("Heap: %s\n", strerror(errno));
99                         ret = -ENOMEM;
100                 }
101         }
102
103         if (handler->pinup_cb) {
104                 handler->pinup_cb(handler, ret, handler->pinup_cbdata);
105
106                 handler->pinup_cb = NULL; /*!< Reset pinup cb */
107                 handler->pinup_cbdata = NULL;
108         } else {
109                 lb_invoke_event_handler(handler, LB_EVENT_PINUP_CHANGED);
110         }
111
112         ret = 0;
113 out:
114         return NULL;
115 }
116
117 static struct packet *master_deleted(pid_t pid, int handle, const struct packet *packet)
118 {
119         const char *pkgname;
120         const char *id;
121         double timestamp;
122         struct livebox *handler;
123
124         if (packet_get(packet, "ssd", &pkgname, &id, &timestamp) != 3) {
125                 ErrPrint("Invalid arguemnt\n");
126                 goto out;
127         }
128
129         handler = lb_find_livebox_by_timestamp(timestamp);
130         if (!handler) {
131                 /*!
132                  * \note
133                  * This can be happens only if the user delete a livebox
134                  * right after create it before receive created event.
135                  */
136                 goto out;
137         }
138
139         /*!< Check validity of this "handler" */
140         if (handler->state != CREATE) {
141                 if (handler->state != DELETE) {
142                         /*!
143                          * \note
144                          * This is not possible
145                          */
146                         CRITICAL_LOG("Already deleted handler (%s - %s)\n", pkgname, id);
147                         return NULL;
148                 }
149         }
150
151         if (handler->created_cb) {
152                 /*!
153                  * \note
154                  *
155                  * "if (handler->id == NULL)"
156                  *
157                  * The instance is not created yet.
158                  * But the master forcely destroy it and send destroyed event to this
159                  * without the created event.
160                  *
161                  * It could be destroyed when a slave has critical error(fault)
162                  * before creating an instance successfully.
163                  */
164                 if (handler->created_cb == handler->deleted_cb) {
165                         if (handler->created_cbdata != handler->deleted_cbdata)
166                                 DbgPrint("cb is same but cbdata is different (%s - %s)\n", pkgname, id);
167
168                         handler->deleted_cb = NULL;
169                         handler->deleted_cbdata = NULL;
170                 }
171
172                 DbgPrint("Call the created cb with -ECANCELED\n");
173                 handler->created_cb(handler, -ECANCELED, handler->created_cbdata);
174                 handler->created_cb = NULL;
175                 handler->created_cbdata = NULL;
176         } else if (handler->id) {
177                 if (handler->deleted_cb) {
178                         DbgPrint("Call the deleted cb\n");
179                         handler->deleted_cb(handler, 0, handler->deleted_cbdata);
180
181                         handler->deleted_cb = NULL;
182                         handler->deleted_cbdata = NULL;
183                 } else {
184                         DbgPrint("Call the lb,deleted\n");
185                         lb_invoke_event_handler(handler, LB_EVENT_DELETED);
186                 }
187         }
188
189         DbgPrint("[%p] %s(%s) is deleted\n", handler, pkgname, id);
190
191         /* Just try to delete it, if a user didn't remove it from the live box list */
192         lb_unref(handler);
193
194 out:
195         return NULL;
196 }
197
198 static struct packet *master_lb_updated(pid_t pid, int handle, const struct packet *packet)
199 {
200         const char *pkgname;
201         const char *id;
202         const char *fbfile;
203         const char *content;
204         const char *title;
205         struct livebox *handler;
206         int lb_w;
207         int lb_h;
208         double priority;
209         int ret;
210
211         ret = packet_get(packet, "sssiidss",
212                                 &pkgname, &id,
213                                 &fbfile, &lb_w, &lb_h,
214                                 &priority, &content, &title);
215         if (ret != 8) {
216                 ErrPrint("Invalid argument\n");
217                 ret = -EINVAL;
218                 goto out;
219         }
220
221         handler = lb_find_livebox(pkgname, id);
222         if (!handler) {
223                 ret = -ENOENT;
224                 goto out;
225         }
226
227         if (handler->state != CREATE) {
228                 /*!
229                  * \note
230                  * Already deleted by the user.
231                  * Don't try to notice anything with this, Just ignore all events
232                  * Beacuse the user doesn't wants know about this anymore
233                  */
234                 ret = -EPERM;
235                 goto out;
236         }
237
238         lb_set_priority(handler, priority);
239         lb_set_content(handler, content);
240         lb_set_title(handler, title);
241
242         if (lb_text_lb(handler)) {
243                 lb_set_size(handler, lb_w, lb_h);
244                 ret = parse_desc(handler, livebox_filename(handler), 0);
245                 /*!
246                  * \note
247                  * DESC parser will call the "text event callback".
248                  */
249                 goto out;
250         } else if (lb_get_lb_fb(handler)) {
251                 lb_set_size(handler, lb_w, lb_h);
252                 lb_set_lb_fb(handler, fbfile);
253                 ret = fb_sync(lb_get_lb_fb(handler));
254                 if (ret < 0)
255                         ErrPrint("Failed to do sync FB (%s - %s)\n", pkgname, util_basename(util_uri_to_path(id)));
256         } else {
257                 lb_set_size(handler, lb_w, lb_h);
258                 ret = 0;
259         }
260
261         if (ret == 0)
262                 lb_invoke_event_handler(handler, LB_EVENT_LB_UPDATED);
263
264 out:
265         return NULL;
266 }
267
268 static struct packet *master_pd_created(pid_t pid, int handle, const struct packet *packet)
269 {
270         struct livebox *handler;
271         const char *pkgname;
272         const char *id;
273         const char *buf_id;
274         int width;
275         int height;
276         int ret;
277         int status;
278
279         ret = packet_get(packet, "sssiii", &pkgname, &id, &buf_id, &width, &height, &status);
280         if (ret != 6) {
281                 ErrPrint("Invalid argument\n");
282                 goto out;
283         }
284
285         handler = lb_find_livebox(pkgname, id);
286         if (!handler) {
287                 ret = -ENOENT;
288                 goto out;
289         }
290
291         if (handler->state != CREATE) {
292                 ret = -EPERM;
293                 goto out;
294         }
295
296         lb_set_pdsize(handler, width, height);
297         if (lb_text_pd(handler)) {
298                 DbgPrint("Text TYPE does not need to handle this\n");
299         } else {
300                 (void)lb_set_pd_fb(handler, buf_id);
301                 ret = fb_sync(lb_get_pd_fb(handler));
302                 if (ret < 0) {
303                         ErrPrint("Failed to do sync FB (%s - %s)\n",
304                                         pkgname,
305                                         util_basename(util_uri_to_path(id)));
306                 }
307         }
308
309         handler->is_pd_created = (status == 0);
310
311         if (handler->pd_created_cb) {
312                 DbgPrint("pd_created_cb (%s) - %d\n", buf_id, status);
313                 handler->pd_created_cb(handler, status, handler->pd_created_cbdata);
314
315                 handler->pd_created_cb = NULL;
316                 handler->pd_created_cbdata = NULL;
317         } else if (status == 0) {
318                 DbgPrint("LB_EVENT_PD_CREATED (%s) - %d\n", buf_id, status);
319                 lb_invoke_event_handler(handler, LB_EVENT_PD_CREATED);
320         }
321
322         ret = 0;
323 out:
324         return NULL;
325 }
326
327 static struct packet *master_pd_destroyed(pid_t pid, int handle, const struct packet *packet)
328 {
329         struct livebox *handler;
330         const char *pkgname;
331         const char *id;
332         int ret;
333         int status;
334
335         ret = packet_get(packet, "ssi", &pkgname, &id, &status);
336         if (ret != 3) {
337                 ErrPrint("Invalid argument\n");
338                 goto out;
339         }
340
341         handler = lb_find_livebox(pkgname, id);
342         if (!handler) {
343                 ret = -ENOENT;
344                 goto out;
345         }
346
347         if (handler->state != CREATE) {
348                 ret = -EPERM;
349                 goto out;
350         }
351
352         handler->is_pd_created = 0;
353
354         if (handler->pd_destroyed_cb) {
355                 DbgPrint("Invoke the PD Destroyed CB\n");
356                 handler->pd_destroyed_cb(handler, status, handler->pd_destroyed_cbdata);
357
358                 handler->pd_destroyed_cb = NULL;
359                 handler->pd_destroyed_cbdata = NULL;
360         } else if (status == 0) {
361                 DbgPrint("Invoke the LB_EVENT_PD_DESTROYED event\n");
362                 lb_invoke_event_handler(handler, LB_EVENT_PD_DESTROYED);
363         }
364
365         ret = 0;
366 out:
367         return NULL;
368 }
369
370 static struct packet *master_pd_updated(pid_t pid, int handle, const struct packet *packet)
371 {
372         const char *pkgname;
373         const char *id;
374         const char *descfile;
375         const char *fbfile;
376         int ret;
377         struct livebox *handler;
378         int pd_w;
379         int pd_h;
380
381         ret = packet_get(packet, "ssssii",
382                                 &pkgname, &id,
383                                 &descfile, &fbfile,
384                                 &pd_w, &pd_h);
385         if (ret != 6) {
386                 ErrPrint("Invalid argument\n");
387                 ret = -EINVAL;
388                 goto out;
389         }
390
391         handler = lb_find_livebox(pkgname, id);
392         if (!handler) {
393                 ret = -ENOENT;
394                 goto out;
395         }
396
397         if (handler->state != CREATE) {
398                 /*!
399                  * \note
400                  * This handler is already deleted by the user.
401                  * So don't try to notice anything about this anymore.
402                  * Just ignore all events.
403                  */
404                 ret = -EPERM;
405                 goto out;
406         }
407
408         lb_set_pdsize(handler, pd_w, pd_h);
409
410         if (lb_text_pd(handler)) {
411                 ret = parse_desc(handler, descfile, 1);
412         } else {
413                 (void)lb_set_pd_fb(handler, fbfile);
414
415                 ret = fb_sync(lb_get_pd_fb(handler));
416                 if (ret < 0) {
417                         ErrPrint("Failed to do sync FB (%s - %s)\n",
418                                         pkgname,
419                                         util_basename(util_uri_to_path(id)));
420                         goto out;
421                 }
422
423                 lb_invoke_event_handler(handler, LB_EVENT_PD_UPDATED);
424                 ret = 0;
425         }
426
427 out:
428         return NULL;
429 }
430
431 static struct packet *master_size_changed(pid_t pid, int handle, const struct packet *packet)
432 {
433         struct livebox *handler;
434         const char *pkgname;
435         const char *id;
436         int status;
437         int ret;
438         int w;
439         int h;
440         int is_pd;
441
442         ret = packet_get(packet, "ssiiii", &pkgname, &id, &is_pd, &w, &h, &status);
443         if (ret != 6) {
444                 ErrPrint("Invalid argument\n");
445                 ret = EINVAL;
446                 goto out;
447         }
448
449         handler = lb_find_livebox(pkgname, id);
450         if (!handler) {
451                 ErrPrint("Livebox(%s - %s) is not found\n", pkgname, id);
452                 ret = -ENOENT;
453                 goto out;
454         }
455
456         if (handler->state != CREATE) {
457                 ret = -EPERM;
458                 goto out;
459         }
460
461         if (is_pd) {
462                 /*!
463                  * \NOTE
464                  * PD is not able to resized by the client.
465                  * PD is only can be managed by the provider.
466                  * So the PD has no private resized event handler.
467                  * Notify it via global event handler.
468                  */
469                 lb_invoke_event_handler(handler, LB_EVENT_PD_SIZE_CHANGED);
470                 if (status != 0)
471                         ErrPrint("This is not possible. PD Size is changed but the return value is not ZERO\n");
472         } else {
473                 if (status == 0)
474                         lb_set_size(handler, w, h);
475
476                 if (handler->size_changed_cb) {
477                         handler->size_changed_cb(handler, status, handler->size_cbdata);
478
479                         handler->size_changed_cb = NULL;
480                         handler->size_cbdata = NULL;
481                 } else {
482                         lb_invoke_event_handler(handler, LB_EVENT_LB_SIZE_CHANGED);
483                 }
484         }
485
486 out:
487         return NULL;
488 }
489
490 static struct packet *master_period_changed(pid_t pid, int handle, const struct packet *packet)
491 {
492         struct livebox *handler;
493         const char *pkgname;
494         const char *id;
495         int ret;
496         double period;
497         int status;
498
499         ret = packet_get(packet, "idss", &status, &period, &pkgname, &id);
500         if (ret != 4) {
501                 ErrPrint("Invalid argument\n");
502                 ret = -EINVAL;
503                 goto out;
504         }
505
506         handler = lb_find_livebox(pkgname, id);
507         if (!handler) {
508                 ErrPrint("Livebox(%s - %s) is not found\n", pkgname, id);
509                 ret = -ENOENT;
510                 goto out;
511         }
512
513         if (handler->state != CREATE) {
514                 ret = -EPERM;
515                 goto out;
516         }
517
518         if (status == 0)
519                 lb_set_period(handler, period);
520
521         if (handler->period_changed_cb) {
522                 handler->period_changed_cb(handler, status, handler->group_cbdata);
523
524                 handler->period_changed_cb = NULL;
525                 handler->period_cbdata = NULL;
526         } else {
527                 lb_invoke_event_handler(handler, LB_EVENT_PERIOD_CHANGED);
528         }
529
530         ret = 0;
531
532 out:
533         return NULL;
534 }
535
536 static struct packet *master_group_changed(pid_t pid, int handle, const struct packet *packet)
537 {
538         struct livebox *handler;
539         const char *pkgname;
540         const char *id;
541         int ret;
542         const char *cluster;
543         const char *category;
544         int status;
545
546         ret = packet_get(packet, "ssiss", &pkgname, &id, &status, &cluster, &category);
547         if (ret != 5) {
548                 ErrPrint("Invalid argument\n");
549                 ret = -EINVAL;
550                 goto out;
551         }
552
553         handler = lb_find_livebox(pkgname, id);
554         if (!handler) {
555                 ret = -ENOENT;
556                 goto out;
557         }
558
559         if (handler->state != CREATE) {
560                 /*!
561                  * \note
562                  * Do no access this handler,
563                  * You cannot believe this handler anymore.
564                  */
565                 ret = -EPERM;
566                 goto out;
567         }
568
569         if (status == 0)
570                 lb_set_group(handler, cluster, category);
571
572         if (handler->group_changed_cb) {
573                 handler->group_changed_cb(handler, status, handler->group_cbdata);
574
575                 handler->group_changed_cb = NULL;
576                 handler->group_cbdata = NULL;
577         } else {
578                 lb_invoke_event_handler(handler, LB_EVENT_GROUP_CHANGED);
579         }
580
581         ret = 0;
582
583 out:
584         return NULL;
585 }
586
587 static struct packet *master_created(pid_t pid, int handle, const struct packet *packet)
588 {
589         struct livebox *handler;
590
591         int lb_w;
592         int lb_h;
593         int pd_w;
594         int pd_h;
595         const char *pkgname;
596         const char *id;
597
598         const char *content;
599         const char *cluster;
600         const char *category;
601         const char *lb_fname;
602         const char *pd_fname;
603         const char *title;
604
605         double timestamp;
606         const char *auto_launch;
607         double priority;
608         int size_list;
609         int user;
610         int pinup_supported;
611         enum lb_type lb_type;
612         enum pd_type pd_type;
613         double period;
614         int is_pinned_up;
615
616         int old_state = DESTROYED;
617
618         int ret;
619
620         ret = packet_get(packet, "dsssiiiisssssdiiiiidsi",
621                         &timestamp,
622                         &pkgname, &id, &content,
623                         &lb_w, &lb_h, &pd_w, &pd_h,
624                         &cluster, &category, &lb_fname, &pd_fname,
625                         &auto_launch, &priority, &size_list, &user, &pinup_supported,
626                         &lb_type, &pd_type, &period, &title, &is_pinned_up);
627         if (ret != 22) {
628                 ErrPrint("Invalid argument\n");
629                 ret = -EINVAL;
630                 goto out;
631         }
632
633         ErrPrint("[%lf] pkgname: %s, id: %s, content: %s, "
634                 "pd_w: %d, pd_h: %d, lb_w: %d, lb_h: %d, "
635                 "cluster: %s, category: %s, lb_fname: \"%s\", pd_fname: \"%s\", "
636                 "auto_launch: %s, priority: %lf, size_list: %d, user: %d, pinup: %d, "
637                 "lb_type: %d, pd_type: %d, period: %lf, title: [%s], is_pinned_up: %d\n",
638                 timestamp, pkgname, id, content,
639                 pd_w, pd_h, lb_w, lb_h,
640                 cluster, category, lb_fname, pd_fname,
641                 auto_launch, priority, size_list, user, pinup_supported,
642                 lb_type, pd_type, period, title, is_pinned_up);
643
644         handler = lb_find_livebox_by_timestamp(timestamp);
645         if (!handler) {
646                 handler = lb_new_livebox(pkgname, id, timestamp);
647                 if (!handler) {
648                         ErrPrint("Failed to create a new livebox\n");
649                         ret = -EFAULT;
650                         goto out;
651                 }
652
653                 old_state = handler->state;
654         } else {
655                 if (handler->state != CREATE) {
656                         if (handler->state != DELETE) {
657                                 /*!
658                                  * \note
659                                  * This is not possible!!!
660                                  */
661                                 ErrPrint("Invalid handler\n");
662                                 ret = -EINVAL;
663                                 goto out;
664                         }
665
666                         /*!
667                          * \note
668                          * After get the delete states,
669                          * call the create callback with deleted result.
670                          */
671                 }
672
673                 old_state = handler->state;
674
675                 if (handler->id) {
676                         ErrPrint("Already created: timestamp[%lf] "
677                                 "pkgname[%s], id[%s] content[%s] "
678                                 "cluster[%s] category[%s] lb_fname[%s] pd_fname[%s]\n",
679                                         timestamp, pkgname, id,
680                                         content, cluster, category,
681                                         lb_fname, pd_fname);
682
683                         ret = -EALREADY;
684                         goto out;
685                 }
686
687                 lb_set_id(handler, id);
688         }
689
690         lb_set_size(handler, lb_w, lb_h);
691         handler->lb.type = lb_type;
692         handler->is_pinned_up = is_pinned_up;
693
694         switch (lb_type) {
695         case _LB_TYPE_FILE:
696                 break;
697         case _LB_TYPE_SCRIPT:
698         case _LB_TYPE_BUFFER:
699                 if (!strlen(lb_fname))
700                         break;
701                 lb_set_lb_fb(handler, lb_fname);
702                 ret = fb_sync(lb_get_lb_fb(handler));
703                 if (ret < 0)
704                         ErrPrint("Failed to do sync FB (%s - %s)\n", pkgname, util_basename(util_uri_to_path(id)));
705                 break;
706         case _LB_TYPE_TEXT:
707                 lb_set_text_lb(handler);
708                 break;
709         default:
710                 break;
711         }
712
713         handler->pd.type = pd_type;
714         lb_set_pdsize(handler, pd_w, pd_h);
715         switch (pd_type) {
716         case _PD_TYPE_SCRIPT:
717         case _PD_TYPE_BUFFER:
718                 if (!strlen(pd_fname))
719                         break;
720
721                 lb_set_pd_fb(handler, pd_fname);
722                 ret = fb_sync(lb_get_pd_fb(handler));
723                 if (ret < 0)
724                         ErrPrint("Failed to do sync FB (%s - %s)\n", pkgname, util_basename(util_uri_to_path(id)));
725                 break;
726         case _PD_TYPE_TEXT:
727                 lb_set_text_pd(handler);
728                 break;
729         default:
730                 break;
731         }
732
733         lb_set_priority(handler, priority);
734
735         lb_set_size_list(handler, size_list);
736         lb_set_group(handler, cluster, category);
737
738         lb_set_content(handler, content);
739         lb_set_title(handler, title);
740
741         lb_set_user(handler, user);
742
743         lb_set_auto_launch(handler, auto_launch);
744         lb_set_pinup(handler, pinup_supported);
745
746         lb_set_period(handler, period);
747
748         ret = 0;
749
750         if (handler->state == CREATE) {
751                 /*!
752                  * \note
753                  * These callback can change the handler->state.
754                  * So we have to use the "old_state" which stored state before call these callbacks
755                  */
756
757                 if (handler->created_cb) {
758                         DbgPrint("Invoke the created_cb\n");
759                         handler->created_cb(handler, ret, handler->created_cbdata);
760
761                         handler->created_cb = NULL;
762                         handler->created_cbdata = NULL;
763                 } else {
764                         DbgPrint("Invoke the lb,created\n");
765                         lb_invoke_event_handler(handler, LB_EVENT_CREATED);
766                 }
767         }
768
769 out:
770         if (ret == 0 && old_state == DELETE) {
771                 DbgPrint("Send the delete request\n");
772                 lb_send_delete(handler, handler->created_cb, handler->created_cbdata);
773
774                 /*!
775                  * \note
776                  * handler->created_cb = NULL;
777                  * handler->created_cbdata = NULL;
778                  *
779                  * Do not clear this to use this from the deleted event callback.
780                  * if this value is not cleared when the deleted event callback check it,
781                  * it means that the created function is not called yet.
782                  * Then the call the deleted event callback with -ECANCELED errno.
783                  */
784         }
785
786         return NULL;
787 }
788
789 static struct method s_table[] = {
790         {
791                 .cmd = "lb_updated", /* pkgname, id, lb_w, lb_h, priority, ret */
792                 .handler = master_lb_updated,
793         },
794         {
795                 .cmd = "pd_updated", /* pkgname, id, descfile, pd_w, pd_h, ret */
796                 .handler = master_pd_updated,
797         },
798         {
799                 .cmd = "pd_created",
800                 .handler = master_pd_created,
801         },
802         {
803                 .cmd = "pd_destroyed",
804                 .handler = master_pd_destroyed,
805         },
806         {
807                 .cmd = "fault_package", /* pkgname, id, function, ret */
808                 .handler = master_fault_package,
809         },
810         {
811                 .cmd = "deleted", /* pkgname, id, timestamp, ret */
812                 .handler = master_deleted,
813         },
814         {
815                 .cmd = "created", /* timestamp, pkgname, id, content, lb_w, lb_h, pd_w, pd_h, cluster, category, lb_file, pd_file, auto_launch, priority, size_list, is_user, pinup_supported, text_lb, text_pd, period, ret */
816                 .handler = master_created,
817         },
818         {
819                 .cmd = "group_changed",
820                 .handler = master_group_changed,
821         },
822         {
823                 .cmd = "period_changed",
824                 .handler = master_period_changed,
825         },
826         {
827                 .cmd = "size_changed",
828                 .handler = master_size_changed,
829         },
830         {
831                 .cmd = "pinup",
832                 .handler = master_pinup,
833         },
834         {
835                 .cmd = NULL,
836                 .handler = NULL,
837         },
838 };
839
840 static void acquire_cb(struct livebox *handler, const struct packet *result, void *data)
841 {
842         if (!result) {
843                 DbgPrint("Result packet is not valid\n");
844         } else {
845                 int ret;
846
847                 if (packet_get(result, "i", &ret) != 1)
848                         ErrPrint("Invalid argument\n");
849                 else
850                         DbgPrint("Acquire returns: %d\n", ret);
851         }
852
853         return;
854 }
855
856 static gboolean connector_cb(gpointer user_data)
857 {
858         s_info.reconnector = 0;
859
860         if (s_info.fd > 0) {
861                 DbgPrint("Connection is already made\n");
862                 return FALSE;
863         }
864
865         make_connection();
866         return FALSE;
867 }
868
869 static inline void make_connection(void)
870 {
871         struct packet *packet;
872         int ret;
873
874         DbgPrint("Let's making connection!\n");
875
876         s_info.fd = com_core_packet_client_init(CLIENT_SOCKET, 0, s_table);
877         if (s_info.fd < 0) {
878                 /*!< After 10 secs later, try to connect again */
879                 s_info.reconnector = g_timeout_add(RECONNECT_PERIOD, connector_cb, NULL);
880                 if (s_info.reconnector == 0)
881                         ErrPrint("Failed to fire the reconnector\n");
882
883                 ErrPrint("Try this again 10 secs later\n");
884                 return;
885         }
886
887         packet = packet_create("acquire", "d", util_timestamp());
888         if (!packet) {
889                 com_core_packet_client_fini(s_info.fd);
890                 s_info.fd = -1;
891                 return;
892         }
893
894         ret = master_rpc_async_request(NULL, packet, 1, acquire_cb, NULL);
895         if (ret < 0) {
896                 ErrPrint("Master RPC returns %d\n", ret);
897                 com_core_packet_client_fini(s_info.fd);
898                 s_info.fd = -1;
899         }
900
901 }
902
903 static int connected_cb(int handle, void *data)
904 {
905         master_rpc_check_and_fire_consumer();
906         return 0;
907 }
908
909 static int disconnected_cb(int handle, void *data)
910 {
911         if (s_info.fd != handle) {
912                 /*!< This handle is not my favor */
913                 return 0;
914         }
915
916         s_info.fd = -1; /*!< Disconnected */
917
918         if (s_info.reconnector > 0) {
919                 DbgPrint("Reconnector already fired\n");
920                 return 0;
921         }
922
923         /*!< After 10 secs later, try to connect again */
924         s_info.reconnector = g_timeout_add(RECONNECT_PERIOD, connector_cb, NULL);
925         if (s_info.reconnector == 0) {
926                 ErrPrint("Failed to fire the reconnector\n");
927                 make_connection();
928         }
929
930         master_rpc_clear_all_request();
931         lb_invoke_fault_handler(LB_FAULT_PROVIDER_DISCONNECTED, MASTER_PKGNAME, "default", "disconnected");
932
933         lb_delete_all();
934         return 0;
935 }
936
937 int client_init(void)
938 {
939         com_core_add_event_callback(CONNECTOR_DISCONNECTED, disconnected_cb, NULL);
940         com_core_add_event_callback(CONNECTOR_CONNECTED, connected_cb, NULL);
941         make_connection();
942         return 0;
943 }
944
945 int client_fd(void)
946 {
947         return s_info.fd;
948 }
949
950 const char *client_addr(void)
951 {
952         return CLIENT_SOCKET;
953 }
954
955 int client_fini(void)
956 {
957         com_core_packet_client_fini(s_info.fd);
958         com_core_del_event_callback(CONNECTOR_DISCONNECTED, disconnected_cb, NULL);
959         com_core_del_event_callback(CONNECTOR_CONNECTED, connected_cb, NULL);
960         s_info.fd = -1;
961         return 0;
962 }
963
964 /* End of a file */
965
966