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_IPC_PATH tzplatform_mkpath(TZ_SYS_RUN, "media-server/media_ipc_thumbcreator.socket")
  35
  36 static GQueue *g_manage_queue = NULL;
  37 static GQueue *g_manage_raw_queue = NULL;
  38
  39
  40 typedef struct {
  41         GIOChannel *channel;
  42         int msg_type;
  43         unsigned int request_id;
  44         bool isCanceled;
  45         bool isRequested;
  46         int source_id;
  47         uid_t uid;
  48         char *path;
  49         thumbUserData *userData;
  50 } thumbReq;
  51
  52 typedef struct {
  53         GIOChannel *channel;
  54         int msg_type;
  55         bool isCanceled;
  56         bool isRequested;
  57         int request_id;
  58         int source_id;
  59         int width;
  60         int height;
  61         uid_t uid;
  62         char *path;
  63         thumbRawUserData *userData;
  64 } thumbRawReq;
  65
  66 static int _media_thumb_send_request();
  67 static int _media_thumb_raw_data_send_request();
  68
  69
  70 int _media_thumb_get_error()
  71 {
  72         if (errno == EWOULDBLOCK) {
  73                 thumb_err("Timeout. Can't try any more");
  74                 return MS_MEDIA_ERR_SOCKET_RECEIVE_TIMEOUT;
  75         } else {
  76                 thumb_stderror("recvfrom failed");
  77                 return MS_MEDIA_ERR_SOCKET_RECEIVE;
  78         }
  79 }
  80
  81 void __media_thumb_pop()
  82 {
  83         int len = 0;
  84
  85         if (g_manage_queue != NULL) {
  86                 thumbReq *req = (thumbReq *)g_queue_pop_head(g_manage_queue);
  87                 if (req != NULL) {
  88                         GSource *source_id = g_main_context_find_source_by_id(g_main_context_get_thread_default(), req->source_id);
  89
  90                         g_io_channel_shutdown(req->channel, TRUE, NULL);
  91                         g_io_channel_unref(req->channel);
  92
  93                         if (source_id != NULL) {
  94                                 g_source_destroy(source_id);
  95                         } else {
  96                                 thumb_err("G_SOURCE_ID is NULL");
  97                         }
  98
  99                         SAFE_FREE(req->path);
 100                         SAFE_FREE(req->userData);
 101                         SAFE_FREE(req);
 102                 }
 103
 104                 /* Check manage queue */
 105                 len = g_queue_get_length(g_manage_queue);
 106                 if (len > 0)
 107                         _media_thumb_send_request();
 108         }
 109 }
 110
 111 int __media_thumb_cancel(unsigned int request_id)
 112 {
 113         int len = 0, i;
 114         bool flag = false;
 115
 116         if (g_manage_queue != NULL) {
 117                 len = g_queue_get_length(g_manage_queue);
 118
 119                 for (i = 0; i < len; i++) {
 120                         thumbReq *req = NULL;
 121                         req = (thumbReq *)g_queue_peek_nth(g_manage_queue, i);
 122                         if (req == NULL) continue;
 123
 124                         if (req->request_id == request_id) {
 125                                 if (req->isRequested == true) {
 126                                         req->isCanceled = true;
 127                                 } else {
 128                                         g_queue_pop_nth(g_manage_queue, i);
 129
 130                                         SAFE_FREE(req->path);
 131                                         SAFE_FREE(req->userData);
 132                                         SAFE_FREE(req);
 133                                 }
 134
 135                                 flag = true;
 136
 137                                 break;
 138                         }
 139                 }
 140         }
 141
 142         if (flag == false)
 143                 return MS_MEDIA_ERR_INTERNAL;
 144
 145         return MS_MEDIA_ERR_NONE;
 146 }
 147
 148 void __media_thumb_pop_raw_data()
 149 {
 150         int len = 0;
 151
 152         if (g_manage_raw_queue != NULL) {
 153                 thumbRawReq *req = (thumbRawReq *)g_queue_pop_head(g_manage_raw_queue);
 154                 if (req != NULL) {
 155                         GSource *source_id = g_main_context_find_source_by_id(g_main_context_get_thread_default(), req->source_id);
 156
 157                         g_io_channel_shutdown(req->channel, TRUE, NULL);
 158                         g_io_channel_unref(req->channel);
 159
 160                         if (source_id != NULL) {
 161                                 g_source_destroy(source_id);
 162                         } else {
 163                                 thumb_err("G_SOURCE_ID is NULL");
 164                         }
 165
 166                         SAFE_FREE(req->path);
 167                         SAFE_FREE(req->userData);
 168                         SAFE_FREE(req);
 169                 }
 170
 171                 /* Check manage queue */
 172                 len = g_queue_get_length(g_manage_raw_queue);
 173                 if (len > 0)
 174                         _media_thumb_raw_data_send_request();
 175         }
 176 }
 177
 178 int __media_thumb_cancel_raw_data(int request_id)
 179 {
 180         int len = 0, i;
 181         bool flag = false;
 182
 183         if (g_manage_raw_queue != NULL) {
 184                 len = g_queue_get_length(g_manage_raw_queue);
 185
 186                 for (i = 0; i < len; i++) {
 187                         thumbRawReq *req = NULL;
 188                         req = (thumbRawReq *)g_queue_peek_nth(g_manage_raw_queue, i);
 189                         if (req == NULL) continue;
 190
 191                         if (req->request_id == request_id) {
 192                                 if (req->isRequested == true) {
 193                                         req->isCanceled = true;
 194                                 } else {
 195                                         g_queue_pop_nth(g_manage_raw_queue, i);
 196
 197                                         SAFE_FREE(req->path);
 198                                         SAFE_FREE(req->userData);
 199                                         SAFE_FREE(req);
 200                                 }
 201
 202                                 flag = true;
 203
 204                                 break;
 205                         }
 206                 }
 207         }
 208
 209         if (flag == false)
 210                 return MS_MEDIA_ERR_INTERNAL;
 211
 212         return MS_MEDIA_ERR_NONE;
 213
 214 }
 215
 216 bool __media_thumb_check_cancel(void)
 217 {
 218         thumbReq *req = NULL;
 219         req = (thumbReq *)g_queue_peek_head(g_manage_queue);
 220
 221         if (req == NULL) {
 222                 return false;
 223         } else {
 224                 if (req->isCanceled)
 225                         return false;
 226                 else
 227                         return true;
 228         }
 229 }
 230
 231 bool __media_thumb_check_cancel_for_raw(void)
 232 {
 233         thumbRawReq *req = NULL;
 234         req = (thumbRawReq *)g_queue_peek_head(g_manage_raw_queue);
 235
 236         if (req == NULL) {
 237                 return false;
 238         } else {
 239                 if (req->isCanceled)
 240                         return false;
 241                 else
 242                         return true;
 243         }
 244 }
 245
 246 int _media_thumb_recv_msg(int sock, int header_size, thumbMsg *msg)
 247 {
 248         int remain_size = 0;
 249         unsigned char *buf = NULL;
 250
 251         THUMB_MALLOC(buf, header_size);
 252         if (buf == NULL) {
 253                 thumb_err("memory allocation failed");
 254                 SAFE_FREE(buf);
 255                 return MS_MEDIA_ERR_OUT_OF_MEMORY;
 256         }
 257
 258         if (recv(sock, buf, header_size, 0) < 0) {
 259                 thumb_stderror("recv failed");
 260                 SAFE_FREE(buf);
 261                 return _media_thumb_get_error();
 262         }
 263
 264         memcpy(msg, buf, header_size);
 265
 266         if (strlen(msg->org_path) == 0 || strlen(msg->org_path) >= MAX_FILEPATH_LEN) {
 267                 thumb_err("org_path size is invalid %d", strlen(msg->org_path));
 268                 SAFE_FREE(buf);
 269                 return MS_MEDIA_ERR_SOCKET_RECEIVE;
 270         }
 271
 272         /* it can be empty string */
 273         if (strlen(msg->dst_path) >= MAX_FILEPATH_LEN) {
 274                 thumb_err("dst_path size is invalid %d", strlen(msg->dst_path));
 275                 SAFE_FREE(buf);
 276                 return MS_MEDIA_ERR_SOCKET_RECEIVE;
 277         }
 278
 279         SAFE_FREE(buf);
 280
 281         if (msg->thumb_size < 0) {
 282                 thumb_err("recv data is wrong");
 283                 return MS_MEDIA_ERR_SOCKET_RECEIVE;
 284         }
 285
 286         if (msg->thumb_size > 0) {
 287                 remain_size = msg->thumb_size;
 288                 THUMB_MALLOC(buf, remain_size);
 289                 if (buf == NULL)
 290                         return MS_MEDIA_ERR_OUT_OF_MEMORY;
 291
 292                 if (recv(sock, buf, remain_size, 0) < 0) {
 293                         thumb_stderror("recv failed");
 294                         SAFE_FREE(buf);
 295                         return _media_thumb_get_error();
 296                 }
 297
 298                 SAFE_FREE(msg->thumb_data);
 299                 THUMB_MALLOC(msg->thumb_data, msg->thumb_size);
 300                 if (msg->thumb_data != NULL) {
 301                         memcpy(msg->thumb_data, buf, msg->thumb_size);
 302                 } else {
 303                         SAFE_FREE(buf);
 304
 305                         return MS_MEDIA_ERR_OUT_OF_MEMORY;
 306                 }
 307         }
 308
 309         SAFE_FREE(buf);
 310
 311         return MS_MEDIA_ERR_NONE;
 312 }
 313
 314 int _media_thumb_set_buffer(thumbMsg *req_msg, unsigned char **buf, int *buf_size)
 315 {
 316         if (req_msg == NULL || buf == NULL)
 317                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 318
 319         int thumb_data_len = 0;
 320         int size = 0;
 321         int header_size = 0;
 322
 323         header_size = sizeof(thumbMsg) - sizeof(unsigned char *);
 324         thumb_data_len = req_msg->thumb_size;
 325         if (thumb_data_len < 0)
 326                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 327
 328         //thumb_dbg("Basic Size[%d] org_path[%s] dst_path[%s] thumb_data_len[%d]", header_size, req_msg->org_path, req_msg->dst_path, thumb_data_len);
 329
 330         size = header_size + thumb_data_len;
 331         THUMB_MALLOC(*buf, size);
 332         if (*buf == NULL) {
 333                 *buf_size = 0;
 334                 return 0;
 335         }
 336         memcpy(*buf, req_msg, header_size);
 337         if (thumb_data_len > 0)
 338                 memcpy((*buf) + header_size, req_msg->thumb_data, thumb_data_len);
 339
 340         *buf_size = size;
 341
 342         return MS_MEDIA_ERR_NONE;
 343 }
 344
 345 gboolean _media_thumb_write_socket(GIOChannel *src, GIOCondition condition, gpointer data)
 346 {
 347         thumbMsg recv_msg;
 348         int header_size = 0;
 349         int sock = 0;
 350         int err = MS_MEDIA_ERR_NONE;
 351
 352         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 353         sock = g_io_channel_unix_get_fd(src);
 354
 355         header_size = sizeof(thumbMsg) - sizeof(unsigned char *);
 356
 357         thumb_err("_media_thumb_write_socket socket : %d", sock);
 358
 359         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 360                 thumb_err("_media_thumb_recv_msg failed ");
 361                 __media_thumb_pop();
 362
 363                 return FALSE;
 364         }
 365
 366         if (recv_msg.status != MS_MEDIA_ERR_NONE) {
 367                 err = recv_msg.status;
 368                 thumb_err("Failed to make thumbnail (%d)", err);
 369         }
 370
 371         if (__media_thumb_check_cancel()) {
 372                 if (data) {
 373                         thumbUserData* cb = (thumbUserData*)data;
 374                         if (cb->func != NULL)
 375                                 cb->func(err, recv_msg.dst_path, cb->user_data);
 376                 }
 377         }
 378
 379         __media_thumb_pop();
 380
 381         thumb_dbg("Done");
 382
 383         return FALSE;
 384 }
 385
 386 gboolean _media_thumb_raw_data_write_socket(GIOChannel *src, GIOCondition condition, gpointer data)
 387 {
 388         thumbMsg recv_msg;
 389         int header_size = 0;
 390         int sock = 0;
 391         int err = MS_MEDIA_ERR_NONE;
 392
 393         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 394         sock = g_io_channel_unix_get_fd(src);
 395
 396         header_size = sizeof(thumbMsg) - sizeof(unsigned char *);
 397
 398         thumb_err("_media_thumb_write_socket socket : %d", sock);
 399
 400         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 401                 thumb_err("_media_thumb_recv_msg failed ");
 402                 __media_thumb_pop_raw_data();
 403
 404                 return FALSE;
 405         }
 406
 407         if (recv_msg.status != MS_MEDIA_ERR_NONE) {
 408                 err = recv_msg.status;
 409                 thumb_err("Failed to make thumbnail (%d)", err);
 410         }
 411
 412         if (__media_thumb_check_cancel_for_raw()) {
 413                 if (data) {
 414                         thumbRawUserData* cb = (thumbRawUserData*)data;
 415                         if (cb->func != NULL)
 416                                 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);
 417                 }
 418         }
 419
 420         __media_thumb_pop_raw_data();
 421
 422         thumb_dbg("Done");
 423
 424         return FALSE;
 425 }
 426
 427 static int _media_thumb_send_request()
 428 {
 429         int err = MS_MEDIA_ERR_NONE;
 430         int sock = -1;
 431         struct sockaddr_un serv_addr;
 432         thumbReq *req_manager = NULL;
 433         int pid;
 434
 435         err = ms_ipc_create_client_socket(MS_TIMEOUT_SEC_10, &sock);
 436         if (err != MS_MEDIA_ERR_NONE) {
 437                 thumb_err("ms_ipc_create_client_socket failed");
 438                 return err;
 439         }
 440
 441         memset(&serv_addr, 0, sizeof(serv_addr));
 442         serv_addr.sun_family = AF_UNIX;
 443         SAFE_STRLCPY(serv_addr.sun_path, THUMB_IPC_PATH, sizeof(serv_addr.sun_path));
 444
 445         GIOChannel *channel = NULL;
 446         channel = g_io_channel_unix_new(sock);
 447         int source_id = -1;
 448
 449         /* Connecting to the thumbnail server */
 450         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 451                 thumb_stderror("connect");
 452                 if (errno == EACCES)
 453                         err = MS_MEDIA_ERR_PERMISSION_DENIED;
 454                 else
 455                         err = MS_MEDIA_ERR_SOCKET_CONN;
 456
 457                 g_io_channel_shutdown(channel, TRUE, NULL);
 458                 g_io_channel_unref(channel);
 459                 close(sock);
 460
 461                 return err;
 462         }
 463
 464         req_manager = (thumbReq *)g_queue_peek_head(g_manage_queue);
 465
 466         if (req_manager == NULL) {
 467                 thumb_err("queue peek fail");
 468                 g_io_channel_shutdown(channel, TRUE, NULL);
 469                 g_io_channel_unref(channel);
 470                 close(sock);
 471                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 472         }
 473
 474         GSource *source = NULL;
 475         source = g_io_create_watch(channel, G_IO_IN);
 476         g_source_set_callback(source, (GSourceFunc)_media_thumb_write_socket, req_manager->userData, NULL);
 477         source_id = g_source_attach(source, g_main_context_get_thread_default());
 478
 479         thumbMsg req_msg;
 480         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 481
 482         pid = getpid();
 483         req_msg.pid = pid;
 484         req_msg.msg_type = req_manager->msg_type;
 485         req_msg.request_id = 0;
 486         req_msg.uid = req_manager->uid;
 487         SAFE_STRLCPY(req_msg.org_path, req_manager->path, sizeof(req_msg.org_path));
 488         req_msg.dst_path[0] = '\0';
 489         req_msg.thumb_size = 0;
 490
 491         unsigned char *buf = NULL;
 492         int buf_size = 0;
 493         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 494
 495         if (send(sock, buf, buf_size, 0) < 0) {
 496                 thumb_err("send failed: %d", errno);
 497                 SAFE_FREE(buf);
 498                 g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), source_id));
 499                 g_io_channel_shutdown(channel, TRUE, NULL);
 500                 g_io_channel_unref(channel);
 501                 close(sock);
 502                 return MS_MEDIA_ERR_SOCKET_SEND;
 503         }
 504
 505         SAFE_FREE(buf);
 506         thumb_dbg("Sending msg to thumbnail daemon is successful");
 507
 508         if (req_manager->msg_type == THUMB_REQUEST_DB_INSERT) {
 509                 req_manager->channel = channel;
 510                 req_manager->source_id = source_id;
 511                 req_manager->isRequested = true;
 512         }
 513
 514         return err;
 515 }
 516
 517 static int _media_thumb_raw_data_send_request()
 518 {
 519         int err = MS_MEDIA_ERR_NONE;
 520         int sock = -1;
 521         struct sockaddr_un serv_addr;
 522         thumbRawReq *req_manager = NULL;
 523         int pid;
 524
 525         err = ms_ipc_create_client_socket(MS_TIMEOUT_SEC_10, &sock);
 526         if (err != MS_MEDIA_ERR_NONE) {
 527                 thumb_err("ms_ipc_create_client_socket failed");
 528                 return err;
 529         }
 530
 531         memset(&serv_addr, 0, sizeof(serv_addr));
 532         serv_addr.sun_family = AF_UNIX;
 533         SAFE_STRLCPY(serv_addr.sun_path, THUMB_IPC_PATH, sizeof(serv_addr.sun_path));
 534
 535         GIOChannel *channel = NULL;
 536         channel = g_io_channel_unix_new(sock);
 537         int source_id = -1;
 538
 539         /* Connecting to the thumbnail server */
 540         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 541                 thumb_stderror("connect error");
 542                 if (errno == EACCES)
 543                         err = MS_MEDIA_ERR_PERMISSION_DENIED;
 544                 else
 545                         err = MS_MEDIA_ERR_SOCKET_CONN;
 546
 547                 g_io_channel_shutdown(channel, TRUE, NULL);
 548                 g_io_channel_unref(channel);
 549                 close(sock);
 550                 return err;
 551         }
 552
 553         req_manager = (thumbRawReq *)g_queue_peek_head(g_manage_raw_queue);
 554
 555         if (req_manager == NULL) {
 556                 thumb_err("queue peek fail");
 557                 g_io_channel_shutdown(channel, TRUE, NULL);
 558                 g_io_channel_unref(channel);
 559                 close(sock);
 560                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 561         }
 562
 563         GSource *source = NULL;
 564         source = g_io_create_watch(channel, G_IO_IN);
 565         g_source_set_callback(source, (GSourceFunc)_media_thumb_raw_data_write_socket, req_manager->userData, NULL);
 566         source_id = g_source_attach(source, g_main_context_get_thread_default());
 567
 568         thumbMsg req_msg;
 569         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 570
 571         pid = getpid();
 572         req_msg.pid = pid;
 573         req_msg.msg_type = req_manager->msg_type;
 574         req_msg.request_id = req_manager->request_id;
 575         req_msg.thumb_width = req_manager->width;
 576         req_msg.thumb_height = req_manager->height;
 577         req_msg.uid = req_manager->uid;
 578
 579         SAFE_STRLCPY(req_msg.org_path, req_manager->path, sizeof(req_msg.org_path));
 580         req_msg.dst_path[0] = '\0';
 581         req_msg.thumb_size = 0;
 582
 583         unsigned char *buf = NULL;
 584         int buf_size = 0;
 585         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 586
 587         if (send(sock, buf, buf_size, 0) < 0) {
 588                 thumb_err("send failed: %d", errno);
 589                 SAFE_FREE(buf);
 590                 g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), source_id));
 591                 g_io_channel_shutdown(channel, TRUE, NULL);
 592                 g_io_channel_unref(channel);
 593                 return MS_MEDIA_ERR_SOCKET_SEND;
 594         }
 595
 596         SAFE_FREE(buf);
 597
 598         if (req_manager->msg_type == THUMB_REQUEST_RAW_DATA) {
 599                 req_manager->channel = channel;
 600                 req_manager->source_id = source_id;
 601                 req_manager->isRequested = true;
 602         }
 603         return MS_MEDIA_ERR_NONE;
 604 }
 605
 606 int _media_thumb_request_async(int msg_type, unsigned int request_id, const char *origin_path, thumbUserData *userData, uid_t uid)
 607 {
 608         int err = MS_MEDIA_ERR_NONE;
 609         int len = 0;
 610
 611         if (msg_type == THUMB_REQUEST_CANCEL_MEDIA)
 612                 return __media_thumb_cancel(request_id);
 613
 614         if (g_manage_queue == NULL)
 615                 g_manage_queue = g_queue_new();
 616
 617         thumbReq *thumb_req = NULL;
 618         THUMB_MALLOC(thumb_req, sizeof(thumbReq));
 619         thumb_retvm_if(thumb_req == NULL, MS_MEDIA_ERR_INVALID_PARAMETER, "Failed to create request element");
 620
 621         thumb_req->msg_type = msg_type;
 622         thumb_req->path = g_strdup(origin_path);
 623         thumb_req->userData = userData;
 624         thumb_req->isCanceled = false;
 625         thumb_req->isRequested = false;
 626         thumb_req->request_id = request_id;
 627         thumb_req->uid = uid;
 628
 629         len = g_queue_get_length(g_manage_queue);
 630         g_queue_push_tail(g_manage_queue, (gpointer)thumb_req);
 631
 632         if (len == 0)
 633                 err = _media_thumb_send_request();
 634
 635         return err;
 636 }
 637
 638 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)
 639 {
 640         int err = MS_MEDIA_ERR_NONE;
 641         int len = 0;
 642         thumbRawReq *thumb_req = NULL;
 643
 644         if (msg_type == THUMB_REQUEST_CANCEL_RAW_DATA)
 645                 return __media_thumb_cancel_raw_data(request_id);
 646
 647         if (g_manage_raw_queue == NULL)
 648                 g_manage_raw_queue = g_queue_new();
 649
 650         THUMB_MALLOC(thumb_req, sizeof(thumbRawReq));
 651         if (thumb_req == NULL) {
 652                 thumb_err("Failed to create request element");
 653                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 654         }
 655
 656         thumb_req->msg_type = msg_type;
 657         thumb_req->request_id = request_id;
 658         thumb_req->path = g_strdup(origin_path);
 659         thumb_req->width = width;
 660         thumb_req->height = height;
 661         thumb_req->userData = userData;
 662         thumb_req->isCanceled = false;
 663         thumb_req->isRequested = false;
 664         thumb_req->uid = uid;
 665
 666         len = g_queue_get_length(g_manage_raw_queue);
 667         g_queue_push_tail(g_manage_raw_queue, (gpointer)thumb_req);
 668
 669         if (len == 0)
 670                 err = _media_thumb_raw_data_send_request();
 671
 672         return err;
 673 }
 674
 675 int _media_thumb_request_cancel_all()
 676 {
 677         if (g_manage_raw_queue != NULL) {
 678                 while (g_queue_get_length(g_manage_raw_queue) > 0) {
 679                         thumbRawReq *req = (thumbRawReq *)g_queue_peek_tail(g_manage_raw_queue);
 680                         if (req != NULL) {
 681                                 if (req->isRequested == true) {
 682                                         req->isCanceled = true;
 683                                         thumb_dbg("Last item!!");
 684
 685                                         break;
 686                                 } else {
 687                                         g_queue_pop_tail(g_manage_raw_queue);
 688
 689                                         SAFE_FREE(req->path);
 690                                         SAFE_FREE(req->userData);
 691                                         SAFE_FREE(req);
 692                                 }
 693                         } else {
 694                                 thumb_dbg("Queue is empty!!");
 695                                 break;
 696                         }
 697                 }
 698         }
 699
 700         return MS_MEDIA_ERR_NONE;
 701 }