src/ipc/media-thumb-ipc.c

   1 /*
   2  * libmedia-thumbnail
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: Hyunjun Ko <zzoon.ko@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22 #include "media-thumbnail.h"
  23 #include "media-thumb-ipc.h"
  24 #include "media-thumb-util.h"
  25 #include "media-thumb-db.h"
  26 #include "media-thumb-debug.h"
  27 #include <glib.h>
  28 #include <fcntl.h>
  29 #include <string.h>
  30 #include <errno.h>
  31 #include <grp.h>
  32 #include <pwd.h>
  33
  34 #define THUMB_SOCK_BLOCK_SIZE 512
  35 #define THUMB_IPC_PATH tzplatform_mkpath(TZ_SYS_RUN, "media-server/media_ipc_thumbcreator.socket")
  36
  37 static GQueue *g_request_queue = NULL;
  38 static GQueue *g_manage_queue = NULL;
  39 static GQueue *g_request_raw_queue = NULL;
  40 static GQueue *g_manage_raw_queue = NULL;
  41
  42
  43 typedef struct {
  44         GIOChannel *channel;
  45         int msg_type;
  46         unsigned int request_id;
  47         bool isCanceled;
  48         int source_id;
  49         uid_t uid;
  50         char *path;
  51         thumbUserData *userData;
  52 } thumbReq;
  53
  54 typedef struct {
  55         GIOChannel *channel;
  56         int msg_type;
  57         bool isCanceled;
  58         int request_id;
  59         int source_id;
  60         int width;
  61         int height;
  62         uid_t uid;
  63         char *path;
  64         thumbRawUserData *userData;
  65 } thumbRawReq;
  66
  67 int _media_thumb_send_request();
  68 int _media_thumb_raw_data_send_request();
  69
  70
  71 int _media_thumb_get_error()
  72 {
  73         if (errno == EWOULDBLOCK) {
  74                 thumb_err("Timeout. Can't try any more");
  75                 return MS_MEDIA_ERR_SOCKET_RECEIVE_TIMEOUT;
  76         } else {
  77                 thumb_stderror("recvfrom failed");
  78                 return MS_MEDIA_ERR_SOCKET_RECEIVE;
  79         }
  80 }
  81
  82 void __media_thumb_shutdown_channel(bool only_shutdown)
  83 {
  84         int len = -1;
  85         thumbReq *req = (thumbReq *)g_queue_peek_head(g_request_queue);
  86
  87         len = g_queue_get_length(g_manage_queue);
  88
  89         if (req != NULL) {
  90                 if (!only_shutdown) {
  91                         if (len == 0 && req->isCanceled == true) {
  92                                 thumb_dbg("The manage queue will be released");
  93                         } else {
  94                                 thumb_dbg("There is remain item in the manage queue");
  95                                 return;
  96                         }
  97                 }
  98                 GSource *source_id = g_main_context_find_source_by_id(g_main_context_get_thread_default(), req->source_id);
  99                 if (source_id != NULL) {
 100                         g_source_destroy(source_id);
 101                 } else {
 102                         thumb_err("G_SOURCE_ID is NULL");
 103                 }
 104
 105                 g_io_channel_shutdown(req->channel, TRUE, NULL);
 106                 g_io_channel_unref(req->channel);
 107                 g_queue_pop_head(g_request_queue);
 108
 109                 SAFE_FREE(req->path);
 110                 SAFE_FREE(req->userData);
 111                 SAFE_FREE(req);
 112
 113                 if (g_manage_queue && len == 0) {
 114                         g_queue_free(g_manage_queue);
 115                         g_manage_queue = NULL;
 116                 }
 117         }
 118 }
 119
 120 int __media_thumb_pop_req_queue(const char *path)
 121 {
 122         int req_len = 0;
 123
 124         req_len = g_queue_get_length(g_request_queue);
 125
 126         if (req_len <= 0) {
 127 //              thumb_dbg("There is no request in the queue");
 128         } else {
 129                 __media_thumb_shutdown_channel(true);
 130         }
 131
 132         /* Check manage queue */
 133         if (g_manage_queue) {
 134                 req_len = g_queue_get_length(g_manage_queue);
 135
 136                 if (req_len > 0)
 137                         _media_thumb_send_request();
 138         }
 139
 140         return MS_MEDIA_ERR_NONE;
 141 }
 142
 143 int __media_thumb_check_req_queue_for_cancel(unsigned int request_id, const char *path)
 144 {
 145         int req_len = 0;
 146
 147         req_len = g_queue_get_length(g_request_queue);
 148
 149         if (req_len <= 0) {
 150 //              thumb_dbg("There is no request in the queue");
 151         } else {
 152                 thumbReq *req = NULL;
 153                 req = (thumbReq *)g_queue_peek_head(g_request_queue);
 154
 155                 if (req != NULL && strncmp(path, req->path, strlen(path)) == 0 && request_id == req->request_id) {
 156                         req->isCanceled = true;
 157                         __media_thumb_shutdown_channel(false);
 158
 159                         return MS_MEDIA_ERR_NONE;
 160                 }
 161         }
 162
 163         return MS_MEDIA_ERR_INTERNAL;
 164 }
 165
 166 int __media_thumb_pop_manage_queue(unsigned int request_id, const char *path)
 167 {
 168         int req_len = 0, i;
 169         bool flag = false;
 170
 171         req_len = g_queue_get_length(g_manage_queue);
 172
 173         if (req_len < 0) {
 174 //              thumb_dbg("There is no request in the queue");
 175         } else {
 176                 for (i = 0; i < req_len; i++) {
 177                         thumbReq *req = NULL;
 178                         req = (thumbReq *)g_queue_peek_nth(g_manage_queue, i);
 179                         if (req == NULL) continue;
 180
 181                         if (strncmp(path, req->path, strlen(path)) == 0 && request_id == req->request_id) {
 182                                 g_queue_pop_nth(g_manage_queue, i);
 183
 184                                 SAFE_FREE(req->path);
 185                                 SAFE_FREE(req->userData);
 186                                 SAFE_FREE(req);
 187                                 flag = true;
 188                                 break;
 189                         }
 190                 }
 191                 if (!flag) {
 192                         return __media_thumb_check_req_queue_for_cancel(request_id, path);
 193                 } else {
 194                         __media_thumb_shutdown_channel(false);
 195
 196                         return MS_MEDIA_ERR_NONE;
 197                 }
 198         }
 199
 200         return MS_MEDIA_ERR_NONE;
 201 }
 202
 203
 204 int __media_thumb_pop_raw_data_req_queue(int request_id, bool shutdown_channel)
 205 {
 206         int req_len = 0, i;
 207
 208         req_len = g_queue_get_length(g_request_raw_queue);
 209
 210         if (req_len <= 0) {
 211 //              thumb_dbg("There is no request in the queue");
 212         } else {
 213
 214                 for (i = 0; i < req_len; i++) {
 215                         thumbRawReq *req = NULL;
 216                         req = (thumbRawReq *)g_queue_peek_nth(g_request_raw_queue, i);
 217                         if (req == NULL) continue;
 218
 219                         if (request_id == req->request_id) {
 220                                 if (shutdown_channel) {
 221                                         GSource *source_id = g_main_context_find_source_by_id(g_main_context_get_thread_default(), req->source_id);
 222                                         if (source_id != NULL) {
 223                                                 g_source_destroy(source_id);
 224                                         } else {
 225                                                 thumb_err("G_SOURCE_ID is NULL");
 226                                         }
 227
 228                                         g_io_channel_shutdown(req->channel, TRUE, NULL);
 229                                         g_io_channel_unref(req->channel);
 230                                 }
 231                                 g_queue_pop_nth(g_request_raw_queue, i);
 232
 233                                 SAFE_FREE(req->userData);
 234                                 SAFE_FREE(req);
 235
 236                                 break;
 237                         }
 238                 }
 239                 if (i == req_len) {
 240 //                      thumb_dbg("There's no %s in the queue", path);
 241                 }
 242         }
 243
 244         return MS_MEDIA_ERR_NONE;
 245 }
 246
 247 int __media_thumb_check_raw_data_req_queue_for_cancel(int request_id)
 248 {
 249         int req_len = 0;
 250
 251         req_len = g_queue_get_length(g_request_raw_queue);
 252
 253         if (req_len <= 0) {
 254 //              thumb_dbg("There is no request in the queue");
 255         } else {
 256                 thumbRawReq *req = NULL;
 257                 req = (thumbRawReq *)g_queue_peek_head(g_request_raw_queue);
 258
 259                 if (req != NULL && request_id == req->request_id) {
 260                         req->isCanceled = true;
 261                         return MS_MEDIA_ERR_NONE;
 262                 }
 263         }
 264
 265         return MS_MEDIA_ERR_INTERNAL;
 266 }
 267
 268 int __media_thumb_pop_raw_data_manage_queue(int request_id)
 269 {
 270         int req_len = 0, i;
 271         int flag = false;
 272
 273         req_len = g_queue_get_length(g_manage_raw_queue);
 274
 275         if (req_len < 0) {
 276 //              thumb_dbg("There is no request in the queue");
 277         } else {
 278
 279                 for (i = 0; i < req_len; i++) {
 280                         thumbRawReq *req = NULL;
 281                         req = (thumbRawReq *)g_queue_peek_nth(g_manage_raw_queue, i);
 282                         if (req == NULL) continue;
 283
 284                         if (request_id == req->request_id) {
 285                                 g_queue_pop_nth(g_manage_raw_queue, i);
 286
 287                                 SAFE_FREE(req->userData);
 288                                 SAFE_FREE(req);
 289                                 flag = true;
 290                                 break;
 291                         }
 292                 }
 293                 if (!flag) {
 294                         return __media_thumb_check_raw_data_req_queue_for_cancel(request_id);
 295                 }
 296         }
 297
 298         return MS_MEDIA_ERR_NONE;
 299 }
 300 #if 0
 301 int __media_thumb_check_req_queue(const char *path)
 302 {
 303         int req_len = 0, i;
 304
 305         req_len = g_queue_get_length(g_request_queue);
 306
 307 //      thumb_dbg("Queue length : %d", req_len);
 308 //      thumb_dbg("Queue path : %s", path);
 309
 310         if (req_len <= 0) {
 311 //              thumb_dbg("There is no request in the queue");
 312         } else {
 313
 314                 for (i = 0; i < req_len; i++) {
 315                         thumbReq *req = NULL;
 316                         req = (thumbReq *)g_queue_peek_nth(g_request_queue, i);
 317                         if (req == NULL) continue;
 318
 319                         if (strncmp(path, req->path, strlen(path)) == 0) {
 320                                 //thumb_dbg("Same Request - %s", path);
 321                                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 322
 323                                 break;
 324                         }
 325                 }
 326         }
 327
 328         if (g_manage_queue != NULL) {
 329                 req_len = g_queue_get_length(g_manage_queue);
 330
 331                 if (req_len <= 0) {
 332 //              thumb_dbg("There is no request in the queue");
 333                 } else {
 334                         for (i = 0; i < req_len; i++) {
 335                                 thumbReq *req = NULL;
 336                                 req = (thumbReq *)g_queue_peek_nth(g_manage_queue, i);
 337                                 if (req == NULL) continue;
 338
 339                                 if (strncmp(path, req->path, strlen(path)) == 0) {
 340                                         //thumb_dbg("Same Request - %s", path);
 341                                         return MS_MEDIA_ERR_INVALID_PARAMETER;
 342
 343                                         break;
 344                                 }
 345                         }
 346                 }
 347         }
 348
 349
 350         return MS_MEDIA_ERR_NONE;
 351 }
 352 #endif
 353 bool __media_thumb_check_cancel(void)
 354 {
 355         thumbReq *req = NULL;
 356         req = (thumbReq *)g_queue_peek_head(g_request_queue);
 357
 358         if (req == NULL) {
 359                 return false;
 360         } else {
 361                 if (req->isCanceled)
 362                         return false;
 363                 else
 364                         return true;
 365         }
 366 }
 367
 368 bool __media_thumb_check_cancel_for_raw(void)
 369 {
 370         thumbRawReq *req = NULL;
 371         req = (thumbRawReq *)g_queue_peek_head(g_request_raw_queue);
 372
 373         if (req == NULL) {
 374                 return false;
 375         } else {
 376                 if (req->isCanceled)
 377                         return false;
 378                 else
 379                         return true;
 380         }
 381 }
 382
 383 int
 384 _media_thumb_recv_msg(int sock, int header_size, thumbMsg *msg)
 385 {
 386         int recv_msg_len = 0;
 387         int remain_size = 0;
 388         int block_size = THUMB_SOCK_BLOCK_SIZE;
 389         int recv_block = 0;
 390         unsigned char *buf = NULL;
 391         unsigned char *block_buf = NULL;
 392
 393         THUMB_MALLOC(buf, header_size);
 394         THUMB_MALLOC(block_buf, THUMB_SOCK_BLOCK_SIZE);
 395         if (buf == NULL || block_buf == NULL) {
 396                 thumb_err("memory allocation failed");
 397                 SAFE_FREE(buf);
 398                 SAFE_FREE(block_buf);
 399                 return MS_MEDIA_ERR_OUT_OF_MEMORY;
 400         }
 401
 402         if ((recv_msg_len = recv(sock, buf, header_size, 0)) <= 0) {
 403                 thumb_stderror("recv failed");
 404                 SAFE_FREE(buf);
 405                 SAFE_FREE(block_buf);
 406                 return _media_thumb_get_error();
 407         }
 408
 409         memcpy(msg, buf, header_size);
 410         //thumb_dbg("origin_path_size : %d, dest_path_size : %d, thumb_size : %d", msg->origin_path_size, msg->dest_path_size, msg->thumb_size);
 411
 412         SAFE_FREE(buf);
 413         if (msg->origin_path_size < 0 || msg->dest_path_size < 0 || msg->thumb_size < 0) {
 414                 thumb_err("recv data is wrong");
 415                 SAFE_FREE(block_buf);
 416                 return MS_MEDIA_ERR_SOCKET_RECEIVE;
 417         }
 418
 419         remain_size = msg->origin_path_size + msg->dest_path_size + msg->thumb_size;
 420         THUMB_MALLOC(buf, remain_size);
 421         if (buf == NULL) {
 422                 SAFE_FREE(block_buf);
 423                 return MS_MEDIA_ERR_OUT_OF_MEMORY;
 424         }
 425
 426         while (remain_size > 0) {
 427                 if (remain_size < THUMB_SOCK_BLOCK_SIZE) {
 428                         block_size = remain_size;
 429                 }
 430                 if ((recv_msg_len = recv(sock, block_buf, block_size, 0)) < 0) {
 431                         thumb_stderror("recv failed");
 432                         SAFE_FREE(buf);
 433                         SAFE_FREE(block_buf);
 434                         return _media_thumb_get_error();
 435                 }
 436                 memcpy(buf+recv_block, block_buf, block_size);
 437                 recv_block += block_size;
 438                 remain_size -= block_size;
 439         }
 440
 441         SAFE_STRLCPY(msg->org_path, (char *)buf, sizeof(msg->org_path));
 442         SAFE_STRLCPY(msg->dst_path, (char *)buf + msg->origin_path_size, sizeof(msg->dst_path));
 443
 444         SAFE_FREE(msg->thumb_data);
 445         if (msg->thumb_size > 0) {
 446                 THUMB_MALLOC(msg->thumb_data, msg->thumb_size);
 447                 if (msg->thumb_data != NULL) {
 448                         memcpy(msg->thumb_data, buf + msg->origin_path_size + msg->dest_path_size, msg->thumb_size);
 449                 } else {
 450                         SAFE_FREE(buf);
 451                         SAFE_FREE(block_buf);
 452
 453                         return MS_MEDIA_ERR_OUT_OF_MEMORY;
 454                 }
 455         }
 456
 457         SAFE_FREE(buf);
 458         SAFE_FREE(block_buf);
 459
 460         return MS_MEDIA_ERR_NONE;
 461 }
 462
 463 int
 464 _media_thumb_recv_udp_msg(int sock, int header_size, thumbMsg *msg, struct sockaddr_un *from_addr, unsigned int *from_size)
 465 {
 466         int recv_msg_len = 0;
 467         unsigned int from_addr_size = sizeof(struct sockaddr_un);
 468         unsigned char *buf = NULL;
 469
 470         THUMB_MALLOC(buf, sizeof(thumbMsg));
 471         if (buf == NULL) {
 472                 thumb_err("memory allocation failed");
 473                 return MS_MEDIA_ERR_OUT_OF_MEMORY;
 474         }
 475
 476         if ((recv_msg_len = recvfrom(sock, buf, sizeof(thumbMsg), 0, (struct sockaddr *)from_addr, &from_addr_size)) < 0) {
 477                 thumb_stderror("recvform failed");
 478                 SAFE_FREE(buf);
 479                 return _media_thumb_get_error();
 480         }
 481
 482         memcpy(msg, buf, header_size);
 483
 484         if (msg->origin_path_size <= 0 || msg->origin_path_size > MAX_PATH_SIZE) {
 485                 SAFE_FREE(buf);
 486                 thumb_err("msg->origin_path_size is invalid %d", msg->origin_path_size);
 487                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 488         }
 489
 490         SAFE_STRLCPY(msg->org_path, (char*)buf + header_size, sizeof(msg->org_path));
 491
 492         if (msg->dest_path_size <= 0 || msg->dest_path_size > MAX_PATH_SIZE) {
 493                 SAFE_FREE(buf);
 494                 thumb_err("msg->origin_path_size is invalid %d", msg->dest_path_size);
 495                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 496         }
 497
 498         SAFE_STRLCPY(msg->dst_path, (char*)buf + header_size + msg->origin_path_size, sizeof(msg->dst_path));
 499
 500         SAFE_FREE(buf);
 501         *from_size = from_addr_size;
 502
 503         return MS_MEDIA_ERR_NONE;
 504 }
 505
 506 int
 507 _media_thumb_set_buffer(thumbMsg *req_msg, unsigned char **buf, int *buf_size)
 508 {
 509         if (req_msg == NULL || buf == NULL) {
 510                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 511         }
 512
 513         int org_path_len = 0;
 514         int dst_path_len = 0;
 515         int thumb_data_len = 0;
 516         int size = 0;
 517         int header_size = 0;
 518
 519         header_size = sizeof(thumbMsg) -(MAX_FILEPATH_LEN * 2) - sizeof(unsigned char *);
 520         org_path_len = req_msg->origin_path_size;
 521         dst_path_len = req_msg->dest_path_size;
 522         thumb_data_len = req_msg->thumb_size;
 523
 524         //thumb_dbg("Basic Size : %d, org_path : %s[%d], dst_path : %s[%d], thumb_data_len : %d", header_size, req_msg->org_path, org_path_len, req_msg->dst_path, dst_path_len, thumb_data_len);
 525
 526         size = header_size + org_path_len + dst_path_len + thumb_data_len;
 527         THUMB_MALLOC(*buf, size);
 528         if (*buf == NULL) {
 529                 *buf_size = 0;
 530                 return 0;
 531         }
 532         memcpy(*buf, req_msg, header_size);
 533         memcpy((*buf)+header_size, req_msg->org_path, org_path_len);
 534         memcpy((*buf)+header_size + org_path_len, req_msg->dst_path, dst_path_len);
 535         if (thumb_data_len > 0)
 536                 memcpy((*buf)+header_size + org_path_len + dst_path_len, req_msg->thumb_data, thumb_data_len);
 537
 538         *buf_size = size;
 539
 540         return MS_MEDIA_ERR_NONE;
 541 }
 542
 543 int
 544 _media_thumb_request(int msg_type, const char *origin_path, char *thumb_path, int max_length, media_thumb_info *thumb_info, uid_t uid)
 545 {
 546         int sock = -1;
 547         struct sockaddr_un serv_addr;
 548         int recv_str_len = 0;
 549         int err = MS_MEDIA_ERR_NONE;
 550         int pid;
 551
 552         err = ms_ipc_create_client_socket(MS_TIMEOUT_SEC_10, &sock);
 553         if (err != MS_MEDIA_ERR_NONE) {
 554                 thumb_err("ms_ipc_create_client_socket failed");
 555                 return err;
 556         }
 557
 558         memset(&serv_addr, 0, sizeof(serv_addr));
 559         serv_addr.sun_family = AF_UNIX;
 560         SAFE_STRLCPY(serv_addr.sun_path, THUMB_IPC_PATH, sizeof(serv_addr.sun_path));
 561
 562         /* Connecting to the thumbnail server */
 563         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 564                 thumb_stderror("connect");
 565                 close(sock);
 566                 return MS_MEDIA_ERR_SOCKET_CONN;
 567         }
 568
 569         thumbMsg req_msg;
 570         thumbMsg recv_msg;
 571
 572         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 573         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 574
 575         /* Get PID of client*/
 576         pid = getpid();
 577         req_msg.pid = pid;
 578
 579         /* Set requset message */
 580         req_msg.msg_type = msg_type;
 581         req_msg.uid = uid;
 582         SAFE_STRLCPY(req_msg.org_path, origin_path, sizeof(req_msg.org_path));
 583         req_msg.org_path[strlen(req_msg.org_path)] = '\0';
 584
 585         req_msg.origin_path_size = strlen(req_msg.org_path) + 1;
 586         req_msg.dest_path_size = strlen(req_msg.dst_path) + 1;
 587         req_msg.thumb_size = 0;
 588
 589         if (req_msg.origin_path_size > MAX_PATH_SIZE || req_msg.dest_path_size > MAX_PATH_SIZE) {
 590                 thumb_err("path's length exceeds %d", MAX_PATH_SIZE);
 591                 close(sock);
 592                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 593         }
 594
 595         unsigned char *buf = NULL;
 596         int buf_size = 0;
 597         int header_size = 0;
 598
 599         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2 - sizeof(unsigned char *);
 600         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 601
 602         if (send(sock, buf, buf_size, 0) != buf_size) {
 603                 thumb_err("sendto failed: %d", errno);
 604                 SAFE_FREE(buf);
 605                 close(sock);
 606                 return MS_MEDIA_ERR_SOCKET_SEND;
 607         }
 608
 609         thumb_dbg("Sending msg to thumbnail daemon is successful");
 610
 611         SAFE_FREE(buf);
 612
 613         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 614                 thumb_err("_media_thumb_recv_msg failed ");
 615                 close(sock);
 616                 return err;
 617         }
 618
 619         recv_str_len = strlen(recv_msg.org_path);
 620         thumb_dbg_slog("recv %s(%d) from thumb daemon is successful", recv_msg.org_path, recv_str_len);
 621
 622         close(sock);
 623
 624         if (recv_str_len > max_length) {
 625                 thumb_err("user buffer is too small. Output's length is %d", recv_str_len);
 626                 SAFE_FREE(recv_msg.thumb_data);
 627                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 628         }
 629
 630         if (recv_msg.status != MS_MEDIA_ERR_NONE) {
 631                 thumb_err("Failed to make thumbnail");
 632                 SAFE_FREE(recv_msg.thumb_data);
 633                 return recv_msg.status;
 634         }
 635
 636         strncpy(thumb_path, recv_msg.dst_path, max_length);
 637
 638         thumb_info->origin_width = recv_msg.origin_width;
 639         thumb_info->origin_height = recv_msg.origin_height;
 640
 641         SAFE_FREE(recv_msg.thumb_data);
 642
 643         return MS_MEDIA_ERR_NONE;
 644 }
 645
 646 gboolean _media_thumb_write_socket(GIOChannel *src, GIOCondition condition, gpointer data)
 647 {
 648         thumbMsg recv_msg;
 649         int header_size = 0;
 650         int sock = 0;
 651         int err = MS_MEDIA_ERR_NONE;
 652
 653         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 654         sock = g_io_channel_unix_get_fd(src);
 655
 656         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2 - sizeof(unsigned char *);
 657
 658         thumb_err("_media_thumb_write_socket socket : %d", sock);
 659
 660         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 661                 thumb_err("_media_thumb_recv_msg failed ");
 662                 if (recv_msg.origin_path_size > 0) {
 663                         __media_thumb_pop_req_queue(recv_msg.org_path);
 664                 } else {
 665                         thumb_err("origin path size is wrong.");
 666                 }
 667
 668                 return FALSE;
 669         }
 670
 671         if (recv_msg.status != MS_MEDIA_ERR_NONE) {
 672                 err = recv_msg.status;
 673                 thumb_err("Failed to make thumbnail (%d)", err);
 674         }
 675
 676         if (__media_thumb_check_cancel()) {
 677                 if (data) {
 678                         thumbUserData* cb = (thumbUserData*)data;
 679                         if (cb->func != NULL)
 680                                 cb->func(err, recv_msg.dst_path, cb->user_data);
 681                 }
 682         }
 683
 684         __media_thumb_pop_req_queue(recv_msg.org_path);
 685
 686         thumb_dbg("Done");
 687
 688         return FALSE;
 689 }
 690
 691 gboolean _media_thumb_raw_data_write_socket(GIOChannel *src, GIOCondition condition, gpointer data)
 692 {
 693         thumbMsg recv_msg;
 694         int header_size = 0;
 695         int sock = 0;
 696         int len = -1;
 697         int err = MS_MEDIA_ERR_NONE;
 698
 699         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 700         sock = g_io_channel_unix_get_fd(src);
 701
 702         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2 - sizeof(unsigned char *);
 703
 704         thumb_err("_media_thumb_write_socket socket : %d", sock);
 705
 706         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 707                 thumb_err("_media_thumb_recv_msg failed ");
 708                 if (recv_msg.request_id > 0) {
 709                         __media_thumb_pop_raw_data_req_queue(recv_msg.request_id, TRUE);
 710                 } else {
 711                         thumb_err("origin path size is wrong.");
 712                 }
 713
 714                 return FALSE;
 715         }
 716
 717         g_io_channel_shutdown(src, TRUE, NULL);
 718         g_io_channel_unref(src);
 719
 720         if (recv_msg.status != MS_MEDIA_ERR_NONE) {
 721                 err = recv_msg.status;
 722                 thumb_err("Failed to make thumbnail (%d)", err);
 723         }
 724
 725         if (__media_thumb_check_cancel_for_raw()) {
 726                 if (data) {
 727                         thumbRawUserData* cb = (thumbRawUserData*)data;
 728                         if (cb->func != NULL)
 729                                 cb->func(err, recv_msg.request_id, recv_msg.org_path, recv_msg.thumb_width, recv_msg.thumb_height, recv_msg.thumb_data, recv_msg.thumb_size, cb->user_data);
 730                 }
 731         }
 732
 733         __media_thumb_pop_raw_data_req_queue(recv_msg.request_id, FALSE);
 734
 735         thumb_dbg("Done");
 736
 737         /* Check manage queue */
 738         if (g_manage_raw_queue) {
 739                 len = g_queue_get_length(g_manage_raw_queue);
 740
 741                 if (len > 0) {
 742                         _media_thumb_raw_data_send_request();
 743                 } else {
 744                         g_queue_free(g_manage_raw_queue);
 745                         g_manage_raw_queue = NULL;
 746                 }
 747         }
 748
 749         return FALSE;
 750 }
 751
 752 int _media_thumb_send_request()
 753 {
 754         int err = MS_MEDIA_ERR_NONE;
 755         int sock = -1;
 756         struct sockaddr_un serv_addr;
 757         thumbReq *req_manager = NULL;
 758         int pid;
 759
 760         err = ms_ipc_create_client_socket(MS_TIMEOUT_SEC_10, &sock);
 761         if (err != MS_MEDIA_ERR_NONE) {
 762                 thumb_err("ms_ipc_create_client_socket failed");
 763                 return err;
 764         }
 765
 766         memset(&serv_addr, 0, sizeof(serv_addr));
 767         serv_addr.sun_family = AF_UNIX;
 768         SAFE_STRLCPY(serv_addr.sun_path, THUMB_IPC_PATH, sizeof(serv_addr.sun_path));
 769
 770         GIOChannel *channel = NULL;
 771         channel = g_io_channel_unix_new(sock);
 772         int source_id = -1;
 773
 774         /* Connecting to the thumbnail server */
 775         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 776                 thumb_stderror("connect");
 777                 if (errno == EACCES)
 778                         err = MS_MEDIA_ERR_PERMISSION_DENIED;
 779                 else
 780                         err = MS_MEDIA_ERR_SOCKET_CONN;
 781
 782                 g_io_channel_shutdown(channel, TRUE, NULL);
 783                 g_io_channel_unref(channel);
 784                 close(sock);
 785
 786                 return err;
 787         }
 788
 789         req_manager = (thumbReq *)g_queue_pop_head(g_manage_queue);
 790
 791         if (req_manager == NULL) {
 792                 thumb_err("queue pop fail");
 793                 g_io_channel_shutdown(channel, TRUE, NULL);
 794                 g_io_channel_unref(channel);
 795                 close(sock);
 796                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 797         }
 798
 799         GSource *source = NULL;
 800         source = g_io_create_watch(channel, G_IO_IN);
 801         g_source_set_callback(source, (GSourceFunc)_media_thumb_write_socket, req_manager->userData, NULL);
 802         source_id = g_source_attach(source, g_main_context_get_thread_default());
 803
 804         thumbMsg req_msg;
 805
 806         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 807
 808         pid = getpid();
 809         req_msg.pid = pid;
 810         req_msg.msg_type = req_manager->msg_type;
 811         req_msg.request_id = 0;
 812         req_msg.uid = req_manager->uid;
 813         SAFE_STRLCPY(req_msg.org_path, req_manager->path, sizeof(req_msg.org_path));
 814         req_msg.org_path[strlen(req_msg.org_path)] = '\0';
 815         req_msg.dst_path[0] = '\0';
 816         req_msg.origin_path_size = strlen(req_msg.org_path) + 1;
 817         req_msg.dest_path_size = 1;
 818         req_msg.thumb_size = 0;
 819
 820         if (req_msg.origin_path_size > MAX_PATH_SIZE || req_msg.dest_path_size > MAX_PATH_SIZE) {
 821                 thumb_err("path's length exceeds %d", MAX_PATH_SIZE);
 822                 g_io_channel_shutdown(channel, TRUE, NULL);
 823                 g_io_channel_unref(channel);
 824                 close(sock);
 825                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 826         }
 827
 828         unsigned char *buf = NULL;
 829         int buf_size = 0;
 830         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 831
 832         if (send(sock, buf, buf_size, 0) != buf_size) {
 833                 thumb_err("sendto failed: %d", errno);
 834                 SAFE_FREE(buf);
 835                 g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), source_id));
 836                 g_io_channel_shutdown(channel, TRUE, NULL);
 837                 g_io_channel_unref(channel);
 838                 close(sock);
 839                 return MS_MEDIA_ERR_SOCKET_SEND;
 840         }
 841
 842         SAFE_FREE(buf);
 843         thumb_dbg("Sending msg to thumbnail daemon is successful");
 844
 845
 846         if (req_manager->msg_type == THUMB_REQUEST_DB_INSERT) {
 847                 if (g_request_queue == NULL) {
 848                         g_request_queue = g_queue_new();
 849                 }
 850
 851                 thumbReq *thumb_req = NULL;
 852                 THUMB_MALLOC(thumb_req, sizeof(thumbReq));
 853                 if (thumb_req == NULL) {
 854                         thumb_err("Failed to create request element");
 855                         return MS_MEDIA_ERR_INVALID_PARAMETER;
 856                 }
 857
 858                 thumb_req->channel = channel;
 859                 thumb_req->path = strdup(req_manager->path);
 860                 thumb_req->source_id = source_id;
 861                 thumb_req->userData = req_manager->userData;
 862
 863                 g_queue_push_tail(g_request_queue, (gpointer)thumb_req);
 864         }
 865
 866         return err;
 867 }
 868
 869 int _media_thumb_raw_data_send_request()
 870 {
 871         int err = MS_MEDIA_ERR_NONE;
 872         int sock = -1;
 873         struct sockaddr_un serv_addr;
 874         thumbRawReq *req_manager = NULL;
 875         int pid;
 876
 877         err = ms_ipc_create_client_socket(MS_TIMEOUT_SEC_10, &sock);
 878         if (err != MS_MEDIA_ERR_NONE) {
 879                 thumb_err("ms_ipc_create_client_socket failed");
 880                 return err;
 881         }
 882
 883         memset(&serv_addr, 0, sizeof(serv_addr));
 884         serv_addr.sun_family = AF_UNIX;
 885         SAFE_STRLCPY(serv_addr.sun_path, THUMB_IPC_PATH, sizeof(serv_addr.sun_path));
 886
 887         GIOChannel *channel = NULL;
 888         channel = g_io_channel_unix_new(sock);
 889         int source_id = -1;
 890
 891         /* Connecting to the thumbnail server */
 892         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 893                 thumb_stderror("connect error");
 894                 if (errno == EACCES)
 895                         err = MS_MEDIA_ERR_PERMISSION_DENIED;
 896                 else
 897                         err = MS_MEDIA_ERR_SOCKET_CONN;
 898
 899                 g_io_channel_shutdown(channel, TRUE, NULL);
 900                 g_io_channel_unref(channel);
 901                 close(sock);
 902                 return err;
 903         }
 904
 905         req_manager = (thumbRawReq *)g_queue_pop_head(g_manage_raw_queue);
 906
 907         if (req_manager == NULL) {
 908                 thumb_err("queue pop fail");
 909                 g_io_channel_shutdown(channel, TRUE, NULL);
 910                 g_io_channel_unref(channel);
 911                 close(sock);
 912                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 913         }
 914
 915         GSource *source = NULL;
 916         source = g_io_create_watch(channel, G_IO_IN);
 917         g_source_set_callback(source, (GSourceFunc)_media_thumb_raw_data_write_socket, req_manager->userData, NULL);
 918         source_id = g_source_attach(source, g_main_context_get_thread_default());
 919
 920         thumbMsg req_msg;
 921         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 922
 923         pid = getpid();
 924         req_msg.pid = pid;
 925         req_msg.msg_type = req_manager->msg_type;
 926         req_msg.request_id = req_manager->request_id;
 927         req_msg.thumb_width = req_manager->width;
 928         req_msg.thumb_height = req_manager->height;
 929         req_msg.uid = req_manager->uid;
 930
 931         SAFE_STRLCPY(req_msg.org_path, req_manager->path, sizeof(req_msg.org_path));
 932         req_msg.org_path[strlen(req_msg.org_path)] = '\0';
 933         req_msg.dst_path[0] = '\0';
 934
 935         req_msg.origin_path_size = strlen(req_msg.org_path) + 1;
 936         req_msg.dest_path_size = 1;
 937         req_msg.thumb_size = 0;
 938
 939         if (req_msg.origin_path_size > MAX_PATH_SIZE) {
 940                 thumb_err("path's length exceeds %d", MAX_PATH_SIZE);
 941                 g_io_channel_shutdown(channel, TRUE, NULL);
 942                 g_io_channel_unref(channel);
 943                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 944         }
 945
 946         unsigned char *buf = NULL;
 947         int buf_size = 0;
 948         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 949
 950         if (send(sock, buf, buf_size, 0) != buf_size) {
 951                 thumb_err("sendto failed: %d", errno);
 952                 SAFE_FREE(buf);
 953                 g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), source_id));
 954                 g_io_channel_shutdown(channel, TRUE, NULL);
 955                 g_io_channel_unref(channel);
 956                 return MS_MEDIA_ERR_SOCKET_SEND;
 957         }
 958
 959         SAFE_FREE(buf);
 960
 961         if (req_manager->msg_type == THUMB_REQUEST_RAW_DATA) {
 962                 if (g_request_raw_queue == NULL) {
 963                         g_request_raw_queue = g_queue_new();
 964                 }
 965                 thumbRawReq *thumb_req = NULL;
 966                 THUMB_MALLOC(thumb_req, sizeof(thumbRawReq));
 967                 if (thumb_req == NULL) {
 968                         thumb_err("Failed to create request element");
 969                         return MS_MEDIA_ERR_INVALID_PARAMETER;
 970                 }
 971                 thumb_req->channel = channel;
 972                 thumb_req->request_id = req_manager->request_id;
 973                 thumb_req->source_id = source_id;
 974                 thumb_req->userData = req_manager->userData;
 975
 976                 g_queue_push_tail(g_request_raw_queue, (gpointer)thumb_req);
 977         }
 978         return MS_MEDIA_ERR_NONE;
 979 }
 980
 981 int _media_thumb_request_async(int msg_type, unsigned int request_id, const char *origin_path, thumbUserData *userData, uid_t uid)
 982 {
 983         int err = MS_MEDIA_ERR_NONE;
 984
 985         if (g_manage_queue == NULL) {
 986                 if (msg_type == THUMB_REQUEST_CANCEL_MEDIA)
 987                         return MS_MEDIA_ERR_INTERNAL;
 988
 989                 g_manage_queue = g_queue_new();
 990
 991                 thumbReq *thumb_req = NULL;
 992                 THUMB_MALLOC(thumb_req, sizeof(thumbReq));
 993                 if (thumb_req == NULL) {
 994                         thumb_err("Failed to create request element");
 995                         return MS_MEDIA_ERR_INVALID_PARAMETER;
 996                 }
 997
 998                 thumb_req->msg_type = msg_type;
 999                 thumb_req->path = strdup(origin_path);
1000                 thumb_req->userData = userData;
1001                 thumb_req->isCanceled = false;
1002                 thumb_req->request_id = request_id;
1003                 thumb_req->uid = uid;
1004
1005                 g_queue_push_tail(g_manage_queue, (gpointer)thumb_req);
1006
1007                 /* directly request at first time */
1008                 err = _media_thumb_send_request();
1009
1010         } else {
1011                 if (msg_type != THUMB_REQUEST_CANCEL_MEDIA) {
1012                         /* Enqueue */
1013 #if 0
1014                         if ((msg_type == THUMB_REQUEST_DB_INSERT) && (__media_thumb_check_req_queue(origin_path) < 0)) {
1015                                 thumb_err("duplicated request");
1016                                 return MS_MEDIA_ERR_THUMB_DUPLICATED_REQUEST;
1017                         }
1018 #endif
1019                         thumbReq *thumb_req = NULL;
1020                         THUMB_MALLOC(thumb_req, sizeof(thumbReq));
1021                         if (thumb_req == NULL) {
1022                                 thumb_err("Failed to create request element");
1023                                 return MS_MEDIA_ERR_INVALID_PARAMETER;
1024                         }
1025
1026                         thumb_req->msg_type = msg_type;
1027                         thumb_req->path = strdup(origin_path);
1028                         thumb_req->userData = userData;
1029                         thumb_req->isCanceled = false;
1030                         thumb_req->request_id = request_id;
1031                         thumb_req->uid = uid;
1032
1033                         g_queue_push_tail(g_manage_queue, (gpointer)thumb_req);
1034                 } else {
1035                         /* Dequeue */
1036                         err = __media_thumb_pop_manage_queue(request_id, origin_path);
1037                 }
1038         }
1039
1040         return err;
1041 }
1042
1043 int _media_thumb_request_raw_data_async(int msg_type, int request_id, const char *origin_path, int width, int height, thumbRawUserData *userData, uid_t uid)
1044 {
1045         int err = MS_MEDIA_ERR_NONE;
1046
1047         if (g_manage_raw_queue == NULL) {
1048                 if (msg_type == THUMB_REQUEST_CANCEL_RAW_DATA)
1049                         return MS_MEDIA_ERR_INTERNAL;
1050
1051                 g_manage_raw_queue = g_queue_new();
1052
1053                 thumbRawReq *thumb_req = NULL;
1054                 THUMB_MALLOC(thumb_req, sizeof(thumbRawReq));
1055                 if (thumb_req == NULL) {
1056                         thumb_err("Failed to create request element");
1057                         return MS_MEDIA_ERR_INVALID_PARAMETER;
1058                 }
1059
1060                 thumb_req->msg_type = msg_type;
1061                 thumb_req->request_id = request_id;
1062                 thumb_req->path = strdup(origin_path);
1063                 thumb_req->width = width;
1064                 thumb_req->height = height;
1065                 thumb_req->userData = userData;
1066                 thumb_req->isCanceled = false;
1067                 thumb_req->uid = uid;
1068
1069                 g_queue_push_tail(g_manage_raw_queue, (gpointer)thumb_req);
1070
1071                 /* directly request at first time */
1072                 err = _media_thumb_raw_data_send_request();
1073
1074         } else {
1075                 if (msg_type != THUMB_REQUEST_CANCEL_RAW_DATA) {
1076                         /* Enqueue */
1077                         thumbRawReq *thumb_req = NULL;
1078                         THUMB_MALLOC(thumb_req, sizeof(thumbRawReq));
1079                         if (thumb_req == NULL) {
1080                                 thumb_err("Failed to create request element");
1081                                 return MS_MEDIA_ERR_INVALID_PARAMETER;
1082                         }
1083
1084                         thumb_req->msg_type = msg_type;
1085                         thumb_req->request_id = request_id;
1086                         thumb_req->path = strdup(origin_path);
1087                         thumb_req->width = width;
1088                         thumb_req->height = height;
1089                         thumb_req->userData = userData;
1090                         thumb_req->isCanceled = false;
1091                         thumb_req->uid = uid;
1092
1093                         g_queue_push_tail(g_manage_raw_queue, (gpointer)thumb_req);
1094
1095                 } else {
1096                         /* Dequeue */
1097                         err = __media_thumb_pop_raw_data_manage_queue(request_id);
1098                 }
1099         }
1100
1101         return err;
1102 }
1103
1104 int _media_thumb_request_cancel_all(bool isRaw)
1105 {
1106         int i;
1107         int req_len = -1;
1108         int len = 0;
1109
1110         if (isRaw) {
1111                 thumbRawReq *tmp_raw_req = NULL;
1112                 if (g_manage_raw_queue == NULL) {
1113                         thumb_err("manage_queue is NULL");
1114                         if (g_request_raw_queue != NULL) {
1115                                 /* Check request queue */
1116                                 len = g_queue_get_length(g_request_raw_queue);
1117                                 if (len > 0) {
1118                                         tmp_raw_req = g_queue_peek_head(g_request_raw_queue);
1119                                         if (tmp_raw_req != NULL)
1120                                                 tmp_raw_req->isCanceled = true;
1121                                         return MS_MEDIA_ERR_NONE;
1122                                 }
1123                         }
1124                         thumb_err("request_queue is NULL");
1125                         return MS_MEDIA_ERR_INTERNAL;
1126                 }
1127                 req_len = g_queue_get_length(g_manage_raw_queue);
1128                 for (i = 0; i < req_len; i++) {
1129                         tmp_raw_req = g_queue_pop_tail(g_manage_raw_queue);
1130                         if (tmp_raw_req) {
1131                                 SAFE_FREE(tmp_raw_req->path);
1132                                 SAFE_FREE(tmp_raw_req->userData);
1133                                 SAFE_FREE(tmp_raw_req);
1134                                 tmp_raw_req = NULL;
1135                         }
1136                 }
1137                 g_queue_free(g_manage_raw_queue);
1138                 g_manage_raw_queue = NULL;
1139                 if (g_request_raw_queue != NULL) {
1140                         /* Check request queue */
1141                         len = g_queue_get_length(g_request_raw_queue);
1142                         if (len > 0) {
1143                                 tmp_raw_req = g_queue_peek_head(g_request_raw_queue);
1144                                 if (tmp_raw_req != NULL)
1145                                         tmp_raw_req->isCanceled = true;
1146                         }
1147                 }
1148         } else {
1149                 thumbReq *tmp_req = NULL;
1150                 if (g_manage_queue == NULL) {
1151                         thumb_err("manage_queue is NULL");
1152                         if (g_request_queue != NULL) {
1153                                 /* Check request queue */
1154                                 len = g_queue_get_length(g_request_queue);
1155                                 if (len > 0) {
1156                                         tmp_req = g_queue_peek_head(g_request_queue);
1157                                         if (tmp_req != NULL)
1158                                                 tmp_req->isCanceled = true;
1159                                         return MS_MEDIA_ERR_NONE;
1160                                 }
1161                         }
1162                         thumb_err("request_queue is NULL");
1163                         return MS_MEDIA_ERR_INTERNAL;
1164                 }
1165                 req_len = g_queue_get_length(g_manage_queue);
1166                 for (i = 0; i < req_len; i++) {
1167                         tmp_req = g_queue_pop_tail(g_manage_queue);
1168                         if (tmp_req) {
1169                                 SAFE_FREE(tmp_req->path);
1170                                 SAFE_FREE(tmp_req->userData);
1171                                 SAFE_FREE(tmp_req);
1172                                 tmp_req = NULL;
1173                         }
1174                 }
1175                 g_queue_free(g_manage_queue);
1176                 g_manage_queue = NULL;
1177                 if (g_request_queue != NULL) {
1178                         /* Check request queue */
1179                         len = g_queue_get_length(g_request_queue);
1180                         if (len > 0) {
1181                                 tmp_req = g_queue_peek_head(g_request_queue);
1182                                 if (tmp_req != NULL)
1183                                         tmp_req->isCanceled = true;
1184                         }
1185                 }
1186         }
1187
1188         return MS_MEDIA_ERR_NONE;
1189 }