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         int recv_len = 0;
 250         int recv_pos = 0;
 251         unsigned char *buf = NULL;
 252
 253         THUMB_MALLOC(buf, header_size);
 254         if (buf == NULL) {
 255                 thumb_err("memory allocation failed");
 256                 SAFE_FREE(buf);
 257                 return MS_MEDIA_ERR_OUT_OF_MEMORY;
 258         }
 259
 260         while (header_size > 0) {
 261                 if ((recv_len = recv(sock, buf + recv_pos, header_size, 0)) < 0) {
 262                         thumb_stderror("recv failed");
 263                         SAFE_FREE(buf);
 264                         return _media_thumb_get_error();
 265                 }
 266                 header_size -= recv_len;
 267                 recv_pos += recv_len;
 268         }
 269
 270         header_size = recv_pos;
 271         recv_pos = 0;
 272
 273         memcpy(msg, buf, header_size);
 274         SAFE_FREE(buf);
 275
 276         if (strlen(msg->org_path) == 0 || strlen(msg->org_path) >= MAX_FILEPATH_LEN) {
 277                 thumb_err("org_path size is invalid %d", strlen(msg->org_path));
 278                 return MS_MEDIA_ERR_SOCKET_RECEIVE;
 279         }
 280
 281         /* it can be empty string */
 282         if (strlen(msg->dst_path) >= MAX_FILEPATH_LEN) {
 283                 thumb_err("dst_path size is invalid %d", strlen(msg->dst_path));
 284                 return MS_MEDIA_ERR_SOCKET_RECEIVE;
 285         }
 286
 287         if (msg->thumb_size < 0) {
 288                 thumb_err("recv data is wrong");
 289                 return MS_MEDIA_ERR_SOCKET_RECEIVE;
 290         }
 291
 292         if (msg->thumb_size > 0) {
 293                 remain_size = msg->thumb_size;
 294                 THUMB_MALLOC(buf, remain_size);
 295                 if (buf == NULL) {
 296                         return MS_MEDIA_ERR_OUT_OF_MEMORY;
 297                 }
 298
 299                 while (remain_size > 0) {
 300                         if ((recv_len = recv(sock, buf + recv_pos, remain_size, 0)) < 0) {
 301                                 thumb_stderror("recv failed");
 302                                 SAFE_FREE(buf);
 303                                 return _media_thumb_get_error();
 304                         }
 305
 306                         fsync(sock);
 307                         remain_size -= recv_len;
 308                         recv_pos += recv_len;
 309                 }
 310
 311                 SAFE_FREE(msg->thumb_data);
 312                 THUMB_MALLOC(msg->thumb_data, msg->thumb_size);
 313                 if (msg->thumb_data != NULL) {
 314                         memcpy(msg->thumb_data, buf, msg->thumb_size);
 315                 } else {
 316                         SAFE_FREE(buf);
 317
 318                         return MS_MEDIA_ERR_OUT_OF_MEMORY;
 319                 }
 320         }
 321
 322         SAFE_FREE(buf);
 323
 324         return MS_MEDIA_ERR_NONE;
 325 }
 326
 327 int _media_thumb_set_buffer(thumbMsg *req_msg, unsigned char **buf, int *buf_size)
 328 {
 329         if (req_msg == NULL || buf == NULL)
 330                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 331
 332         int thumb_data_len = 0;
 333         int size = 0;
 334         int header_size = 0;
 335
 336         header_size = sizeof(thumbMsg) - sizeof(unsigned char *);
 337         thumb_data_len = req_msg->thumb_size;
 338         if (thumb_data_len < 0)
 339                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 340
 341         //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);
 342
 343         size = header_size + thumb_data_len;
 344         THUMB_MALLOC(*buf, size);
 345         if (*buf == NULL) {
 346                 *buf_size = 0;
 347                 return 0;
 348         }
 349         memcpy(*buf, req_msg, header_size);
 350         if (thumb_data_len > 0)
 351                 memcpy((*buf) + header_size, req_msg->thumb_data, thumb_data_len);
 352
 353         *buf_size = size;
 354
 355         return MS_MEDIA_ERR_NONE;
 356 }
 357
 358 gboolean _media_thumb_write_socket(GIOChannel *src, GIOCondition condition, gpointer data)
 359 {
 360         thumbMsg recv_msg;
 361         int header_size = 0;
 362         int sock = 0;
 363         int err = MS_MEDIA_ERR_NONE;
 364
 365         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 366         sock = g_io_channel_unix_get_fd(src);
 367
 368         header_size = sizeof(thumbMsg) - sizeof(unsigned char *);
 369
 370         thumb_err("_media_thumb_write_socket socket : %d", sock);
 371
 372         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 373                 thumb_err("_media_thumb_recv_msg failed ");
 374                 __media_thumb_pop();
 375
 376                 return FALSE;
 377         }
 378
 379         if (recv_msg.status != MS_MEDIA_ERR_NONE) {
 380                 err = recv_msg.status;
 381                 thumb_err("Failed to make thumbnail (%d)", err);
 382         }
 383
 384         if (__media_thumb_check_cancel()) {
 385                 if (data) {
 386                         thumbUserData* cb = (thumbUserData*)data;
 387                         if (cb->func != NULL)
 388                                 cb->func(err, recv_msg.dst_path, cb->user_data);
 389                 }
 390         }
 391
 392         __media_thumb_pop();
 393
 394         thumb_dbg("Done");
 395
 396         return FALSE;
 397 }
 398
 399 gboolean _media_thumb_raw_data_write_socket(GIOChannel *src, GIOCondition condition, gpointer data)
 400 {
 401         thumbMsg recv_msg;
 402         int header_size = 0;
 403         int sock = 0;
 404         int err = MS_MEDIA_ERR_NONE;
 405
 406         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 407         sock = g_io_channel_unix_get_fd(src);
 408
 409         header_size = sizeof(thumbMsg) - sizeof(unsigned char *);
 410
 411         thumb_err("_media_thumb_write_socket socket : %d", sock);
 412
 413         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 414                 thumb_err("_media_thumb_recv_msg failed ");
 415                 __media_thumb_pop_raw_data();
 416
 417                 return FALSE;
 418         }
 419
 420         if (recv_msg.status != MS_MEDIA_ERR_NONE) {
 421                 err = recv_msg.status;
 422                 thumb_err("Failed to make thumbnail (%d)", err);
 423         }
 424
 425         if (__media_thumb_check_cancel_for_raw()) {
 426                 if (data) {
 427                         thumbRawUserData* cb = (thumbRawUserData*)data;
 428                         if (cb->func != NULL)
 429                                 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);
 430                 }
 431         }
 432
 433         __media_thumb_pop_raw_data();
 434
 435         thumb_dbg("Done");
 436
 437         return FALSE;
 438 }
 439
 440 static int _media_thumb_send_request()
 441 {
 442         int err = MS_MEDIA_ERR_NONE;
 443         int sock = -1;
 444         struct sockaddr_un serv_addr;
 445         thumbReq *req_manager = NULL;
 446         int pid;
 447
 448         err = ms_ipc_create_client_socket(MS_TIMEOUT_SEC_10, &sock);
 449         if (err != MS_MEDIA_ERR_NONE) {
 450                 thumb_err("ms_ipc_create_client_socket failed");
 451                 return err;
 452         }
 453
 454         memset(&serv_addr, 0, sizeof(serv_addr));
 455         serv_addr.sun_family = AF_UNIX;
 456         SAFE_STRLCPY(serv_addr.sun_path, THUMB_IPC_PATH, sizeof(serv_addr.sun_path));
 457
 458         GIOChannel *channel = NULL;
 459         channel = g_io_channel_unix_new(sock);
 460         int source_id = -1;
 461
 462         /* Connecting to the thumbnail server */
 463         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 464                 thumb_stderror("connect");
 465                 if (errno == EACCES)
 466                         err = MS_MEDIA_ERR_PERMISSION_DENIED;
 467                 else
 468                         err = MS_MEDIA_ERR_SOCKET_CONN;
 469
 470                 g_io_channel_shutdown(channel, TRUE, NULL);
 471                 g_io_channel_unref(channel);
 472                 close(sock);
 473
 474                 return err;
 475         }
 476
 477         req_manager = (thumbReq *)g_queue_peek_head(g_manage_queue);
 478
 479         if (req_manager == NULL) {
 480                 thumb_err("queue peek fail");
 481                 g_io_channel_shutdown(channel, TRUE, NULL);
 482                 g_io_channel_unref(channel);
 483                 close(sock);
 484                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 485         }
 486
 487         GSource *source = NULL;
 488         source = g_io_create_watch(channel, G_IO_IN);
 489         g_source_set_callback(source, (GSourceFunc)_media_thumb_write_socket, req_manager->userData, NULL);
 490         source_id = g_source_attach(source, g_main_context_get_thread_default());
 491
 492         thumbMsg req_msg;
 493         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 494
 495         pid = getpid();
 496         req_msg.pid = pid;
 497         req_msg.msg_type = req_manager->msg_type;
 498         req_msg.request_id = 0;
 499         req_msg.uid = req_manager->uid;
 500         SAFE_STRLCPY(req_msg.org_path, req_manager->path, sizeof(req_msg.org_path));
 501         req_msg.dst_path[0] = '\0';
 502         req_msg.thumb_size = 0;
 503
 504         unsigned char *buf = NULL;
 505         int buf_size = 0;
 506         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 507
 508         if (send(sock, buf, buf_size, 0) < 0) {
 509                 thumb_err("send failed: %d", errno);
 510                 SAFE_FREE(buf);
 511                 g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), source_id));
 512                 g_io_channel_shutdown(channel, TRUE, NULL);
 513                 g_io_channel_unref(channel);
 514                 close(sock);
 515                 return MS_MEDIA_ERR_SOCKET_SEND;
 516         }
 517
 518         SAFE_FREE(buf);
 519         thumb_dbg("Sending msg to thumbnail daemon is successful");
 520
 521         if (req_manager->msg_type == THUMB_REQUEST_DB_INSERT) {
 522                 req_manager->channel = channel;
 523                 req_manager->source_id = source_id;
 524                 req_manager->isRequested = true;
 525         }
 526
 527         return err;
 528 }
 529
 530 static int _media_thumb_raw_data_send_request()
 531 {
 532         int err = MS_MEDIA_ERR_NONE;
 533         int sock = -1;
 534         struct sockaddr_un serv_addr;
 535         thumbRawReq *req_manager = NULL;
 536         int pid;
 537
 538         err = ms_ipc_create_client_socket(MS_TIMEOUT_SEC_10, &sock);
 539         if (err != MS_MEDIA_ERR_NONE) {
 540                 thumb_err("ms_ipc_create_client_socket failed");
 541                 return err;
 542         }
 543
 544         memset(&serv_addr, 0, sizeof(serv_addr));
 545         serv_addr.sun_family = AF_UNIX;
 546         SAFE_STRLCPY(serv_addr.sun_path, THUMB_IPC_PATH, sizeof(serv_addr.sun_path));
 547
 548         GIOChannel *channel = NULL;
 549         channel = g_io_channel_unix_new(sock);
 550         int source_id = -1;
 551
 552         /* Connecting to the thumbnail server */
 553         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 554                 thumb_stderror("connect error");
 555                 if (errno == EACCES)
 556                         err = MS_MEDIA_ERR_PERMISSION_DENIED;
 557                 else
 558                         err = MS_MEDIA_ERR_SOCKET_CONN;
 559
 560                 g_io_channel_shutdown(channel, TRUE, NULL);
 561                 g_io_channel_unref(channel);
 562                 close(sock);
 563                 return err;
 564         }
 565
 566         req_manager = (thumbRawReq *)g_queue_peek_head(g_manage_raw_queue);
 567
 568         if (req_manager == NULL) {
 569                 thumb_err("queue peek fail");
 570                 g_io_channel_shutdown(channel, TRUE, NULL);
 571                 g_io_channel_unref(channel);
 572                 close(sock);
 573                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 574         }
 575
 576         GSource *source = NULL;
 577         source = g_io_create_watch(channel, G_IO_IN);
 578         g_source_set_callback(source, (GSourceFunc)_media_thumb_raw_data_write_socket, req_manager->userData, NULL);
 579         source_id = g_source_attach(source, g_main_context_get_thread_default());
 580
 581         thumbMsg req_msg;
 582         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 583
 584         pid = getpid();
 585         req_msg.pid = pid;
 586         req_msg.msg_type = req_manager->msg_type;
 587         req_msg.request_id = req_manager->request_id;
 588         req_msg.thumb_width = req_manager->width;
 589         req_msg.thumb_height = req_manager->height;
 590         req_msg.uid = req_manager->uid;
 591
 592         SAFE_STRLCPY(req_msg.org_path, req_manager->path, sizeof(req_msg.org_path));
 593         req_msg.dst_path[0] = '\0';
 594         req_msg.thumb_size = 0;
 595
 596         unsigned char *buf = NULL;
 597         int buf_size = 0;
 598         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 599
 600         if (send(sock, buf, buf_size, 0) < 0) {
 601                 thumb_err("send failed: %d", errno);
 602                 SAFE_FREE(buf);
 603                 g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), source_id));
 604                 g_io_channel_shutdown(channel, TRUE, NULL);
 605                 g_io_channel_unref(channel);
 606                 return MS_MEDIA_ERR_SOCKET_SEND;
 607         }
 608
 609         SAFE_FREE(buf);
 610
 611         if (req_manager->msg_type == THUMB_REQUEST_RAW_DATA) {
 612                 req_manager->channel = channel;
 613                 req_manager->source_id = source_id;
 614                 req_manager->isRequested = true;
 615         }
 616         return MS_MEDIA_ERR_NONE;
 617 }
 618
 619 int _media_thumb_request_async(int msg_type, unsigned int request_id, const char *origin_path, thumbUserData *userData, uid_t uid)
 620 {
 621         int err = MS_MEDIA_ERR_NONE;
 622         int len = 0;
 623
 624         if (msg_type == THUMB_REQUEST_CANCEL_MEDIA)
 625                 return __media_thumb_cancel(request_id);
 626
 627         if (g_manage_queue == NULL)
 628                 g_manage_queue = g_queue_new();
 629
 630         thumbReq *thumb_req = NULL;
 631         THUMB_MALLOC(thumb_req, sizeof(thumbReq));
 632         thumb_retvm_if(thumb_req == NULL, MS_MEDIA_ERR_INVALID_PARAMETER, "Failed to create request element");
 633
 634         thumb_req->msg_type = msg_type;
 635         thumb_req->path = g_strdup(origin_path);
 636         thumb_req->userData = userData;
 637         thumb_req->isCanceled = false;
 638         thumb_req->isRequested = false;
 639         thumb_req->request_id = request_id;
 640         thumb_req->uid = uid;
 641
 642         len = g_queue_get_length(g_manage_queue);
 643         g_queue_push_tail(g_manage_queue, (gpointer)thumb_req);
 644
 645         if (len == 0)
 646                 err = _media_thumb_send_request();
 647
 648         return err;
 649 }
 650
 651 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)
 652 {
 653         int err = MS_MEDIA_ERR_NONE;
 654         int len = 0;
 655         thumbRawReq *thumb_req = NULL;
 656
 657         if (msg_type == THUMB_REQUEST_CANCEL_RAW_DATA)
 658                 return __media_thumb_cancel_raw_data(request_id);
 659
 660         if (g_manage_raw_queue == NULL)
 661                 g_manage_raw_queue = g_queue_new();
 662
 663         THUMB_MALLOC(thumb_req, sizeof(thumbRawReq));
 664         if (thumb_req == NULL) {
 665                 thumb_err("Failed to create request element");
 666                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 667         }
 668
 669         thumb_req->msg_type = msg_type;
 670         thumb_req->request_id = request_id;
 671         thumb_req->path = g_strdup(origin_path);
 672         thumb_req->width = width;
 673         thumb_req->height = height;
 674         thumb_req->userData = userData;
 675         thumb_req->isCanceled = false;
 676         thumb_req->isRequested = false;
 677         thumb_req->uid = uid;
 678
 679         len = g_queue_get_length(g_manage_raw_queue);
 680         g_queue_push_tail(g_manage_raw_queue, (gpointer)thumb_req);
 681
 682         if (len == 0)
 683                 err = _media_thumb_raw_data_send_request();
 684
 685         return err;
 686 }
 687
 688 int _media_thumb_request_cancel_all()
 689 {
 690         if (g_manage_raw_queue != NULL) {
 691                 while (g_queue_get_length(g_manage_raw_queue) > 0) {
 692                         thumbRawReq *req = (thumbRawReq *)g_queue_peek_tail(g_manage_raw_queue);
 693                         if (req != NULL) {
 694                                 if (req->isRequested == true) {
 695                                         req->isCanceled = true;
 696                                         thumb_dbg("Last item!!");
 697
 698                                         break;
 699                                 } else {
 700                                         g_queue_pop_tail(g_manage_raw_queue);
 701
 702                                         SAFE_FREE(req->path);
 703                                         SAFE_FREE(req->userData);
 704                                         SAFE_FREE(req);
 705                                 }
 706                         } else {
 707                                 thumb_dbg("Queue is empty!!");
 708                                 break;
 709                         }
 710                 }
 711         }
 712
 713         return MS_MEDIA_ERR_NONE;
 714 }