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 GLOBAL_USER    0 //#define     tzplatform_getenv(TZ_GLOBAL) //TODO
  35 #define THUMB_SOCK_BLOCK_SIZE 512
  36
  37 static __thread GQueue *g_request_queue = NULL;
  38 typedef struct {
  39         GIOChannel *channel;
  40         char *path;
  41         int source_id;
  42         thumbUserData *userData;
  43 } thumbReq;
  44
  45 typedef struct {
  46         GIOChannel *channel;
  47         int request_id;
  48         int source_id;
  49         thumbRawUserData *userData;
  50 } thumbRawReq;
  51
  52 int _media_thumb_create_socket(int sock_type, int *sock)
  53 {
  54         int sock_fd = 0;
  55
  56         if ((sock_fd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
  57                 thumb_err("socket failed: %s", strerror(errno));
  58                 return MS_MEDIA_ERR_SOCKET_CONN;
  59         }
  60
  61         if (sock_type == CLIENT_SOCKET) {
  62                 struct timeval tv_timeout = { MS_TIMEOUT_SEC_10, 0 };
  63
  64                 if (setsockopt(sock_fd, SOL_SOCKET, SO_RCVTIMEO, &tv_timeout, sizeof(tv_timeout)) == -1) {
  65                         thumb_err("setsockopt failed: %s", strerror(errno));
  66                         close(sock_fd);
  67                         return MS_MEDIA_ERR_SOCKET_CONN;
  68                 }
  69         } else if (sock_type == SERVER_SOCKET) {
  70
  71                 int n_reuse = 1;
  72
  73                 if (setsockopt(sock_fd, SOL_SOCKET, SO_REUSEADDR, &n_reuse, sizeof(n_reuse)) == -1) {
  74                         thumb_err("setsockopt failed: %s", strerror(errno));
  75                         close(sock_fd);
  76                         return MS_MEDIA_ERR_SOCKET_CONN;
  77                 }
  78         }
  79
  80         *sock = sock_fd;
  81
  82         return MS_MEDIA_ERR_NONE;
  83 }
  84
  85
  86 int _media_thumb_create_udp_socket(int *sock)
  87 {
  88         int sock_fd = 0;
  89
  90         if ((sock_fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
  91                 thumb_err("socket failed: %s", strerror(errno));
  92                 return MS_MEDIA_ERR_SOCKET_CONN;
  93         }
  94
  95         struct timeval tv_timeout = { MS_TIMEOUT_SEC_10, 0 };
  96
  97         if (setsockopt(sock_fd, SOL_SOCKET, SO_RCVTIMEO, &tv_timeout, sizeof(tv_timeout)) == -1) {
  98                 thumb_err("setsockopt failed: %s", strerror(errno));
  99                 close(sock_fd);
 100                 return MS_MEDIA_ERR_SOCKET_CONN;
 101         }
 102
 103         *sock = sock_fd;
 104
 105         return MS_MEDIA_ERR_NONE;
 106 }
 107
 108 int _media_thumb_get_error()
 109 {
 110         if (errno == EWOULDBLOCK) {
 111                 thumb_err("Timeout. Can't try any more");
 112                 return MS_MEDIA_ERR_SOCKET_RECEIVE_TIMEOUT;
 113         } else {
 114                 thumb_err("recvfrom failed : %s", strerror(errno));
 115                 return MS_MEDIA_ERR_SOCKET_RECEIVE;
 116         }
 117 }
 118
 119 int __media_thumb_pop_req_queue(const char *path, bool shutdown_channel)
 120 {
 121         int req_len = 0, i;
 122
 123         if (g_request_queue == NULL) return MS_MEDIA_ERR_INVALID_PARAMETER;
 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
 130                 for (i = 0; i < req_len; i++) {
 131                         thumbReq *req = NULL;
 132                         req = (thumbReq *)g_queue_peek_nth(g_request_queue, i);
 133                         if (req == NULL) continue;
 134
 135                         if (strncmp(path, req->path, strlen(path)) == 0) {
 136                                 if (shutdown_channel) {
 137                                         GSource *source_id = g_main_context_find_source_by_id(g_main_context_get_thread_default(), req->source_id);
 138                                         if (source_id != NULL) {
 139                                                 g_source_destroy(source_id);
 140                                         } else {
 141                                                 thumb_err("G_SOURCE_ID is NULL");
 142                                         }
 143
 144                                         g_io_channel_shutdown(req->channel, TRUE, NULL);
 145                                         g_io_channel_unref(req->channel);
 146                                 }
 147                                 g_queue_pop_nth(g_request_queue, i);
 148
 149                                 SAFE_FREE(req->path);
 150                                 SAFE_FREE(req->userData);
 151                                 SAFE_FREE(req);
 152
 153                                 break;
 154                         }
 155                 }
 156                 if (i == req_len) {
 157 //                      thumb_dbg("There's no %s in the queue", path);
 158                 }
 159         }
 160
 161         return MS_MEDIA_ERR_NONE;
 162 }
 163
 164 int __media_thumb_pop_raw_data_req_queue(int request_id, bool shutdown_channel)
 165 {
 166         int req_len = 0, i;
 167
 168         if (g_request_queue == NULL) return MS_MEDIA_ERR_INVALID_PARAMETER;
 169         req_len = g_queue_get_length(g_request_queue);
 170
 171         if (req_len <= 0) {
 172 //              thumb_dbg("There is no request in the queue");
 173         } else {
 174
 175                 for (i = 0; i < req_len; i++) {
 176                         thumbRawReq *req = NULL;
 177                         req = (thumbRawReq *)g_queue_peek_nth(g_request_queue, i);
 178                         if (req == NULL) continue;
 179
 180                         if (request_id == req->request_id) {
 181                                 if (shutdown_channel) {
 182                                         GSource *source_id = g_main_context_find_source_by_id(g_main_context_get_thread_default(), req->source_id);
 183                                         if (source_id != NULL) {
 184                                                 g_source_destroy(source_id);
 185                                         } else {
 186                                                 thumb_err("G_SOURCE_ID is NULL");
 187                                         }
 188
 189                                         g_io_channel_shutdown(req->channel, TRUE, NULL);
 190                                         g_io_channel_unref(req->channel);
 191                                 }
 192                                 g_queue_pop_nth(g_request_queue, i);
 193
 194                                 SAFE_FREE(req->userData);
 195                                 SAFE_FREE(req);
 196
 197                                 break;
 198                         }
 199                 }
 200                 if (i == req_len) {
 201 //                      thumb_dbg("There's no %s in the queue", path);
 202                 }
 203         }
 204
 205         return MS_MEDIA_ERR_NONE;
 206 }
 207
 208 int __media_thumb_check_req_queue(const char *path)
 209 {
 210         int req_len = 0, i;
 211
 212         if (g_request_queue == NULL) return MS_MEDIA_ERR_NONE;
 213         req_len = g_queue_get_length(g_request_queue);
 214
 215 //      thumb_dbg("Queue length : %d", req_len);
 216 //      thumb_dbg("Queue path : %s", path);
 217
 218         if (req_len <= 0) {
 219 //              thumb_dbg("There is no request in the queue");
 220         } else {
 221
 222                 for (i = 0; i < req_len; i++) {
 223                         thumbReq *req = NULL;
 224                         req = (thumbReq *)g_queue_peek_nth(g_request_queue, i);
 225                         if (req == NULL) continue;
 226
 227                         if (strncmp(path, req->path, strlen(path)) == 0) {
 228                                 //thumb_dbg("Same Request - %s", path);
 229                                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 230
 231                                 break;
 232                         }
 233                 }
 234         }
 235
 236         return MS_MEDIA_ERR_NONE;
 237 }
 238
 239 int
 240 _media_thumb_recv_msg(int sock, int header_size, thumbMsg *msg)
 241 {
 242         int recv_msg_len = 0;
 243         int remain_size = 0;
 244         int block_size = THUMB_SOCK_BLOCK_SIZE;
 245         int recv_block = 0;
 246         unsigned char *buf = NULL;
 247         unsigned char *block_buf = NULL;
 248
 249         buf = (unsigned char*)malloc(header_size * sizeof(unsigned char));
 250         block_buf = (unsigned char*)malloc(THUMB_SOCK_BLOCK_SIZE * sizeof(unsigned char));
 251
 252         if (buf == NULL || block_buf == NULL) {
 253                 thumb_err("memory allocation failed");
 254                 SAFE_FREE(buf);
 255                 SAFE_FREE(block_buf);
 256                 return MS_MEDIA_ERR_OUT_OF_MEMORY;
 257         }
 258
 259         if ((recv_msg_len = recv(sock, buf, header_size, 0)) <= 0) {
 260                 thumb_stderror("recv failed");
 261                 SAFE_FREE(buf);
 262                 return _media_thumb_get_error();
 263         }
 264
 265         memcpy(msg, buf, header_size);
 266         //thumb_dbg("origin_path_size : %d, dest_path_size : %d, thumb_size : %d", msg->origin_path_size, msg->dest_path_size, msg->thumb_size);
 267
 268         SAFE_FREE(buf);
 269
 270         remain_size = msg->origin_path_size + msg->dest_path_size + msg->thumb_size + 2;
 271         buf = malloc(remain_size * sizeof(unsigned char));
 272         memset(buf, 0, remain_size * sizeof(unsigned char));
 273
 274         while(remain_size > 0) {
 275                 if(remain_size < THUMB_SOCK_BLOCK_SIZE) {
 276                         block_size = remain_size;
 277                 }
 278                 if ((recv_msg_len = recv(sock, block_buf, block_size, 0)) < 0) {
 279                         thumb_err("recv failed : %s", strerror(errno));
 280                         SAFE_FREE(buf);
 281                         SAFE_FREE(block_buf);
 282                         return _media_thumb_get_error();
 283                 }
 284                 memcpy(buf+recv_block, block_buf, block_size);
 285                 recv_block += block_size;
 286                 remain_size -= block_size;
 287         }
 288
 289         strncpy(msg->org_path, (char *)buf, msg->origin_path_size);
 290         strncpy(msg->dst_path, (char *)buf + msg->origin_path_size + 1, msg->dest_path_size);
 291         SAFE_FREE(msg->thumb_data);
 292         msg->thumb_data = malloc(msg->thumb_size);
 293         memset(msg->thumb_data, 0, msg->thumb_size);
 294         memcpy(msg->thumb_data, buf + msg->origin_path_size + msg->dest_path_size + 2, msg->thumb_size);
 295
 296         SAFE_FREE(buf);
 297         SAFE_FREE(block_buf);
 298
 299         return MS_MEDIA_ERR_NONE;
 300 }
 301
 302 int
 303 _media_thumb_recv_udp_msg(int sock, int header_size, thumbMsg *msg, struct sockaddr_un *from_addr, unsigned int *from_size)
 304 {
 305         int recv_msg_len = 0;
 306         unsigned int from_addr_size = sizeof(struct sockaddr_un);
 307         unsigned char *buf = NULL;
 308
 309         buf = (unsigned char*)malloc(sizeof(thumbMsg));
 310
 311         if ((recv_msg_len = recvfrom(sock, buf, sizeof(thumbMsg), 0, (struct sockaddr *)from_addr, &from_addr_size)) < 0) {
 312                 thumb_stderror("recvform failed");
 313                 SAFE_FREE(buf);
 314                 return _media_thumb_get_error();
 315         }
 316
 317         memcpy(msg, buf, header_size);
 318
 319         if (msg->origin_path_size <= 0  || msg->origin_path_size > MAX_PATH_SIZE) {
 320                 SAFE_FREE(buf);
 321                 thumb_err("msg->origin_path_size is invalid %d", msg->origin_path_size );
 322                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 323         }
 324
 325         strncpy(msg->org_path, (char*)buf + header_size, msg->origin_path_size);
 326         //thumb_dbg("original path : %s", msg->org_path);
 327
 328         if (msg->dest_path_size <= 0  || msg->dest_path_size > MAX_PATH_SIZE) {
 329                 SAFE_FREE(buf);
 330                 thumb_err("msg->origin_path_size is invalid %d", msg->dest_path_size );
 331                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 332         }
 333
 334         strncpy(msg->dst_path, (char*)buf + header_size + msg->origin_path_size, msg->dest_path_size);
 335         //thumb_dbg("destination path : %s", msg->dst_path);
 336
 337         SAFE_FREE(buf);
 338         *from_size = from_addr_size;
 339
 340         return MS_MEDIA_ERR_NONE;
 341 }
 342
 343 int
 344 _media_thumb_set_buffer(thumbMsg *req_msg, unsigned char **buf, int *buf_size)
 345 {
 346         if (req_msg == NULL || buf == NULL) {
 347                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 348         }
 349
 350         int org_path_len = 0;
 351         int dst_path_len = 0;
 352         int thumb_data_len = 0;
 353         int size = 0;
 354         int header_size = 0;
 355
 356         header_size = sizeof(thumbMsg) -(MAX_FILEPATH_LEN * 2) - sizeof(unsigned char *);
 357         org_path_len = req_msg->origin_path_size + 1;
 358         dst_path_len = req_msg->dest_path_size + 1;
 359         thumb_data_len = req_msg->thumb_size;
 360
 361         //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);
 362
 363         size = header_size + org_path_len + dst_path_len + thumb_data_len;
 364         *buf = malloc(size);
 365
 366         if (*buf == NULL) {
 367                 *buf_size = 0;
 368                 return 0;
 369         }
 370         memcpy(*buf, req_msg, header_size);
 371         memcpy((*buf)+header_size, req_msg->org_path, org_path_len);
 372         memcpy((*buf)+header_size + org_path_len, req_msg->dst_path, dst_path_len);
 373         memcpy((*buf)+header_size + org_path_len + dst_path_len, req_msg->thumb_data, thumb_data_len);
 374
 375         *buf_size = size;
 376
 377         return MS_MEDIA_ERR_NONE;
 378 }
 379
 380 int
 381 _media_thumb_set_buffer_for_response(thumbMsg *req_msg, unsigned char **buf, int *buf_size)
 382 {
 383         if (req_msg == NULL || buf == NULL) {
 384                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 385         }
 386
 387         int org_path_len = 0;
 388         int dst_path_len = 0;
 389         int thumb_data_len = 0;
 390         int size = 0;
 391         int header_size = 0;
 392
 393         header_size = sizeof(thumbMsg) -(MAX_FILEPATH_LEN * 2) - sizeof(unsigned char *);
 394         org_path_len = req_msg->origin_path_size + 1;
 395         dst_path_len = req_msg->dest_path_size + 1;
 396         thumb_data_len = 1;
 397
 398         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);
 399
 400         size = header_size + org_path_len + dst_path_len + thumb_data_len;
 401         *buf = malloc(size);
 402
 403         if (*buf == NULL) {
 404                 *buf_size = 0;
 405                 return 0;
 406         }
 407         memcpy(*buf, req_msg, header_size);
 408         memcpy((*buf)+header_size, req_msg->org_path, org_path_len);
 409         memcpy((*buf)+header_size + org_path_len, req_msg->dst_path, dst_path_len);
 410         memcpy((*buf)+header_size + org_path_len + dst_path_len, req_msg->thumb_data, thumb_data_len);
 411
 412         *buf_size = size;
 413
 414         return MS_MEDIA_ERR_NONE;
 415 }
 416
 417
 418 int
 419 _media_thumb_set_add_raw_data_buffer(thumbRawAddMsg *req_msg, unsigned char **buf, int *buf_size)
 420 {
 421         if (req_msg == NULL || buf == NULL) {
 422                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 423         }
 424         int thumb_len = 0;
 425         int size = 0;
 426         int header_size = 0;
 427
 428         header_size = sizeof(thumbRawAddMsg);
 429         thumb_len = req_msg->thumb_size;
 430
 431         size = header_size + thumb_len;
 432         *buf = malloc(size);
 433         memcpy(*buf, req_msg, header_size);
 434         memcpy((*buf)+header_size, req_msg->thumb_data, thumb_len);
 435
 436         *buf_size = size;
 437
 438         return MS_MEDIA_ERR_NONE;
 439 }
 440
 441 int
 442 _media_thumb_request(int msg_type, media_thumb_type thumb_type, const char *origin_path, char *thumb_path, int max_length, media_thumb_info *thumb_info, uid_t uid)
 443 {
 444         int sock = -1;
 445         struct sockaddr_un serv_addr;
 446         ms_sock_info_s sock_info;
 447         int recv_str_len = 0;
 448         int err = MS_MEDIA_ERR_NONE;
 449         int pid;
 450         sock_info.port = MS_THUMB_CREATOR_PORT;
 451
 452         err = ms_ipc_create_client_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock_info);
 453         if (err != MS_MEDIA_ERR_NONE) {
 454                 thumb_err("ms_ipc_create_client_socket failed");
 455                 return err;
 456         }
 457
 458         memset(&serv_addr, 0, sizeof(serv_addr));
 459         sock = sock_info.sock_fd;
 460         serv_addr.sun_family = AF_UNIX;
 461         strcpy(serv_addr.sun_path, "/var/run/media-server/media_ipc_thumbcreator.socket");
 462
 463         /* Connecting to the thumbnail server */
 464         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 465                 thumb_stderror("connect");
 466                 ms_ipc_delete_client_socket(&sock_info);
 467                 return MS_MEDIA_ERR_SOCKET_CONN;
 468         }
 469
 470         thumbMsg req_msg;
 471         thumbMsg recv_msg;
 472
 473         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 474         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 475
 476         /* Get PID of client*/
 477         pid = getpid();
 478         req_msg.pid = pid;
 479
 480         /* Set requset message */
 481         req_msg.msg_type = msg_type;
 482         req_msg.thumb_type = thumb_type;
 483         req_msg.uid = uid;
 484         strncpy(req_msg.org_path, origin_path, sizeof(req_msg.org_path));
 485         req_msg.org_path[strlen(req_msg.org_path)] = '\0';
 486
 487         if (msg_type == THUMB_REQUEST_SAVE_FILE) {
 488                 strncpy(req_msg.dst_path, thumb_path, sizeof(req_msg.dst_path));
 489                 req_msg.dst_path[strlen(req_msg.dst_path)] = '\0';
 490         }
 491
 492         req_msg.thumb_data = (unsigned char *) "\0";
 493
 494         req_msg.origin_path_size = strlen(req_msg.org_path) + 1;
 495         req_msg.dest_path_size = strlen(req_msg.dst_path) + 1;
 496         req_msg.thumb_size = 1;
 497
 498         if (req_msg.origin_path_size > MAX_PATH_SIZE || req_msg.dest_path_size > MAX_PATH_SIZE) {
 499                 thumb_err("path's length exceeds %d", MAX_PATH_SIZE);
 500                 ms_ipc_delete_client_socket(&sock_info);
 501                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 502         }
 503
 504         unsigned char *buf = NULL;
 505         int buf_size = 0;
 506         int header_size = 0;
 507
 508         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2 - sizeof(unsigned char *);
 509         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 510
 511         if (send(sock, buf, buf_size, 0) != buf_size) {
 512                 thumb_err("sendto failed: %d", errno);
 513                 SAFE_FREE(buf);
 514                 ms_ipc_delete_client_socket(&sock_info);
 515                 return MS_MEDIA_ERR_SOCKET_SEND;
 516         }
 517
 518         thumb_dbg("Sending msg to thumbnail daemon is successful");
 519
 520         SAFE_FREE(buf);
 521
 522         if(msg_type != THUMB_REQUEST_CANCEL_ALL_RAW_DATA && msg_type != THUMB_REQUEST_CANCEL_ALL) {             //No response..
 523                 if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 524                         thumb_err("_media_thumb_recv_msg failed ");
 525                         ms_ipc_delete_client_socket(&sock_info);
 526                         return err;
 527                 }
 528
 529                 recv_str_len = strlen(recv_msg.org_path);
 530                 thumb_dbg_slog("recv %s(%d) from thumb daemon is successful", recv_msg.org_path, recv_str_len);
 531
 532                 ms_ipc_delete_client_socket(&sock_info);
 533
 534                 if (recv_str_len > max_length) {
 535                         thumb_err("user buffer is too small. Output's length is %d", recv_str_len);
 536                         return MS_MEDIA_ERR_INVALID_PARAMETER;
 537                 }
 538
 539                 if (recv_msg.status == THUMB_FAIL) {
 540                         thumb_err("Failed to make thumbnail");
 541                         return MS_MEDIA_ERR_INVALID_PARAMETER;
 542                 }
 543
 544                 if (msg_type != THUMB_REQUEST_SAVE_FILE) {
 545                         strncpy(thumb_path, recv_msg.dst_path, max_length);
 546                 }
 547
 548                 thumb_info->origin_width = recv_msg.origin_width;
 549                 thumb_info->origin_height = recv_msg.origin_height;
 550         }else {
 551                 thumb_dbg("No response msg_type:[%d]", msg_type);
 552         }
 553         return MS_MEDIA_ERR_NONE;
 554 }
 555
 556 static int _mkdir(const char *dir, mode_t mode) {
 557         char tmp[256];
 558         char *p = NULL;
 559         size_t len;
 560
 561         snprintf(tmp, sizeof(tmp),"%s",dir);
 562         len = strlen(tmp);
 563         if(tmp[len - 1] == '/')
 564                 tmp[len - 1] = 0;
 565         for(p = tmp + 1; *p; p++)
 566                 if(*p == '/') {
 567                         *p = 0;
 568                         mkdir(tmp, mode);
 569                         *p = '/';
 570                 }
 571         return mkdir(tmp, mode);
 572 }
 573
 574 static char* _media_thumb_get_default_path(uid_t uid)
 575 {
 576         char *result_psswd = NULL;
 577         struct group *grpinfo = NULL;
 578         if(uid == getuid())
 579         {
 580                 result_psswd = strdup(THUMB_DEFAULT_PATH);
 581                 grpinfo = getgrnam("users");
 582                 if(grpinfo == NULL) {
 583                         thumb_err("getgrnam(users) returns NULL !");
 584                         if(result_psswd)
 585                                 free(result_psswd);
 586                         return NULL;
 587                 }
 588         }
 589         else
 590         {
 591                 struct passwd *userinfo = getpwuid(uid);
 592                 if(userinfo == NULL) {
 593                         thumb_err("getpwuid(%d) returns NULL !", uid);
 594                         return NULL;
 595                 }
 596                 grpinfo = getgrnam("users");
 597                 if(grpinfo == NULL) {
 598                         thumb_err("getgrnam(users) returns NULL !");
 599                         return NULL;
 600                 }
 601                 // Compare git_t type and not group name
 602                 if (grpinfo->gr_gid != userinfo->pw_gid) {
 603                         thumb_err("UID [%d] does not belong to 'users' group!", uid);
 604                         return NULL;
 605                 }
 606                 asprintf(&result_psswd, "%s/data/file-manager-service/.thumb/phone", userinfo->pw_dir);
 607         }
 608
 609         /* create dir */
 610         _mkdir(result_psswd,S_IRWXU | S_IRWXG | S_IRWXO);
 611
 612         return result_psswd;
 613 }
 614
 615 int _media_thumb_process(thumbMsg *req_msg, thumbMsg *res_msg, uid_t uid)
 616 {
 617         int err = -1;
 618         GdkPixbuf *gdkdata = NULL;
 619         int thumb_size = 0;
 620         int thumb_w = 0;
 621         int thumb_h = 0;
 622         int origin_w = 0;
 623         int origin_h = 0;
 624         int max_length = 0;
 625         char *thumb_path = NULL;
 626         int need_update_db = 0;
 627         int alpha = 0;
 628
 629         if (req_msg == NULL || res_msg == NULL) {
 630                 thumb_err("Invalid msg!");
 631                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 632         }
 633
 634         int msg_type = req_msg->msg_type;
 635         media_thumb_type thumb_type = req_msg->thumb_type;
 636         const char *origin_path = req_msg->org_path;
 637
 638         // Currently, The color space that is supported by the gdk-pixbuf is only RGB.
 639         media_thumb_format thumb_format = MEDIA_THUMB_RGB888;
 640
 641         thumb_path = res_msg->dst_path;
 642         thumb_path[0] = '\0';
 643         max_length = sizeof(res_msg->dst_path);
 644
 645         err = _media_thumb_db_connect(uid);
 646         if (err != MS_MEDIA_ERR_NONE) {
 647                 thumb_err("_media_thumb_mb_svc_connect failed: %d", err);
 648                 return MS_MEDIA_ERR_DB_CONNECT_FAIL;
 649         }
 650
 651         if (msg_type == THUMB_REQUEST_DB_INSERT) {
 652                 err = _media_thumb_get_thumb_from_db_with_size(origin_path, thumb_path, max_length, &need_update_db, &origin_w, &origin_h);
 653                 if (err == MS_MEDIA_ERR_NONE) {
 654                         res_msg->origin_width = origin_w;
 655                         res_msg->origin_height = origin_h;
 656                         _media_thumb_db_disconnect();
 657                         return MS_MEDIA_ERR_NONE;
 658                 } else {
 659                         if (strlen(thumb_path) == 0) {
 660                                 err = _media_thumb_get_hash_name(origin_path, thumb_path, max_length,uid);
 661                                 if (err != MS_MEDIA_ERR_NONE) {
 662                                         thumb_err("_media_thumb_get_hash_name failed - %d\n", err);
 663                                         strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 664                                         _media_thumb_db_disconnect();
 665                                         return err;
 666                                 }
 667
 668                                 thumb_path[strlen(thumb_path)] = '\0';
 669                         }
 670                 }
 671
 672         } else if (msg_type == THUMB_REQUEST_SAVE_FILE) {
 673                 strncpy(thumb_path, req_msg->dst_path, max_length);
 674
 675         } else if (msg_type == THUMB_REQUEST_ALL_MEDIA) {
 676                 err = _media_thumb_get_hash_name(origin_path, thumb_path, max_length,uid);
 677                 if (err < 0) {
 678                         thumb_err("_media_thumb_get_hash_name failed - %d\n", err);
 679                         strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 680                         _media_thumb_db_disconnect();
 681                         return err;
 682                 }
 683
 684                 thumb_path[strlen(thumb_path)] = '\0';
 685         }
 686
 687         if (g_file_test(thumb_path, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
 688                 thumb_warn("thumb path already exists in file system.. remove the existed file");
 689                 _media_thumb_remove_file(thumb_path);
 690         }
 691
 692         err = _thumbnail_get_data(origin_path, thumb_type, thumb_format, &gdkdata, &thumb_size, &thumb_w, &thumb_h, &origin_w, &origin_h, &alpha, uid);
 693         if (err != MS_MEDIA_ERR_NONE) {
 694                 thumb_err("_thumbnail_get_data failed - %d\n", err);
 695                 if ( gdkdata != NULL ){
 696                         g_object_unref(gdkdata);
 697                 }
 698                 strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 699                 _media_thumb_db_disconnect();
 700                 return err;
 701         }
 702
 703         //thumb_dbg("Size : %d, W:%d, H:%d", thumb_size, thumb_w, thumb_h);
 704         //thumb_dbg("Origin W:%d, Origin H:%d\n", origin_w, origin_h);
 705         //thumb_dbg("Thumb : %s", thumb_path);
 706
 707         res_msg->msg_type = THUMB_RESPONSE;
 708         res_msg->thumb_size = thumb_size;
 709         res_msg->thumb_width = thumb_w;
 710         res_msg->thumb_height = thumb_h;
 711         res_msg->origin_width = origin_w;
 712         res_msg->origin_height = origin_h;
 713
 714         /* If the image is transparent PNG format, make png file as thumbnail of this image */
 715         if (alpha) {
 716                 char file_ext[10];
 717                 err = _media_thumb_get_file_ext(origin_path, file_ext, sizeof(file_ext));
 718                 if (strncasecmp(file_ext, "png", 3) == 0) {
 719                         int len = strlen(thumb_path);
 720                         thumb_path[len - 3] = 'p';
 721                         thumb_path[len - 2] = 'n';
 722                         thumb_path[len - 1] = 'g';
 723                 }
 724                 thumb_dbg("Thumb path is changed : %s", thumb_path);
 725         }
 726
 727         err = _media_thumb_save_to_file_with_gdk(gdkdata, thumb_w, thumb_h, alpha, thumb_path);
 728         if (err < 0) {
 729                 thumb_err("save_to_file_with_gdk failed - %d\n", err);
 730                 if ( gdkdata != NULL ){
 731                         g_object_unref(gdkdata);
 732                 }
 733
 734                 if (msg_type == THUMB_REQUEST_DB_INSERT || msg_type == THUMB_REQUEST_ALL_MEDIA)
 735                         strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 736
 737                 _media_thumb_db_disconnect();
 738                 return err;
 739         } else {
 740                 thumb_dbg("file save success\n");
 741         }
 742
 743         /* fsync */
 744         int fd = 0;
 745         fd = open(thumb_path, O_WRONLY);
 746         if (fd < 0) {
 747                 thumb_warn("open failed");
 748         } else {
 749                 err = fsync(fd);
 750                 if (err == -1) {
 751                         thumb_warn("fsync failed");
 752                 }
 753                 close(fd);
 754         }
 755         /* End of fsync */
 756
 757         g_object_unref(gdkdata);
 758
 759         /* DB update if needed */
 760         if (need_update_db == 1) {
 761                 err = _media_thumb_update_db(origin_path, thumb_path, res_msg->origin_width, res_msg->origin_height, uid);
 762                 if (err != MS_MEDIA_ERR_NONE) {
 763                         thumb_err("_media_thumb_update_db failed : %d", err);
 764                 }
 765         }
 766
 767         _media_thumb_db_disconnect();
 768
 769         return MS_MEDIA_ERR_NONE;
 770 }
 771
 772 int
 773 _media_thumb_process_raw(thumbMsg *req_msg, thumbMsg *res_msg, thumbRawAddMsg *res_raw_msg, uid_t uid)
 774 {
 775         int err = MS_MEDIA_ERR_NONE;
 776         unsigned char *data = NULL;
 777         int thumb_size = 0;
 778         int thumb_w = 0;
 779         int thumb_h = 0;
 780
 781         if (req_msg == NULL || res_msg == NULL) {
 782                 thumb_err("Invalid msg!");
 783                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 784         }
 785
 786         const char *origin_path = req_msg->org_path;
 787
 788         media_thumb_format thumb_format = MEDIA_THUMB_BGRA;
 789         thumb_w = req_msg->thumb_width;
 790         thumb_h = req_msg->thumb_height;
 791
 792         //thumb_dbg("origin_path : %s, thumb_w : %d, thumb_h : %d ", origin_path, thumb_w, thumb_h);
 793
 794         if (!g_file_test(origin_path, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
 795                 thumb_err("origin_path does not exist in file system.");
 796                 return MS_MEDIA_ERR_FILE_NOT_EXIST;
 797         }
 798
 799         err = _thumbnail_get_raw_data(origin_path, thumb_format, &data, &thumb_size, &thumb_w, &thumb_h, uid);
 800
 801         if (err != MS_MEDIA_ERR_NONE) {
 802                 thumb_err("_thumbnail_get_data failed - %d", err);
 803                 SAFE_FREE(data);
 804         }
 805
 806         res_msg->msg_type = THUMB_RESPONSE_RAW_DATA;
 807         res_msg->thumb_width = thumb_w;
 808         res_msg->thumb_height = thumb_h;
 809         res_raw_msg->thumb_size = thumb_size;
 810         res_raw_msg->thumb_data = malloc(thumb_size * sizeof(unsigned char));
 811         memcpy(res_raw_msg->thumb_data, data, thumb_size);
 812         res_msg->thumb_size = thumb_size + sizeof(thumbRawAddMsg) - sizeof(unsigned char*);
 813
 814         //thumb_dbg("Size : %d, W:%d, H:%d", thumb_size, thumb_w, thumb_h);
 815
 816         return MS_MEDIA_ERR_NONE;
 817 }
 818
 819 gboolean _media_thumb_write_socket(GIOChannel *src, GIOCondition condition, gpointer data)
 820 {
 821         thumbMsg recv_msg;
 822         int header_size = 0;
 823         int sock = 0;
 824         int err = MS_MEDIA_ERR_NONE;
 825
 826         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 827         sock = g_io_channel_unix_get_fd(src);
 828
 829         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2 - sizeof(unsigned char *);
 830
 831         thumb_err("_media_thumb_write_socket socket : %d", sock);
 832
 833         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 834                 thumb_err("_media_thumb_recv_msg failed ");
 835                 if (recv_msg.origin_path_size > 0) {
 836                         __media_thumb_pop_req_queue(recv_msg.org_path, TRUE);
 837                 } else {
 838                         thumb_err("origin path size is wrong.");
 839                 }
 840
 841                 return FALSE;
 842         }
 843
 844         g_io_channel_shutdown(src, TRUE, NULL);
 845         g_io_channel_unref(src);
 846         //thumb_dbg("Completed..%s", recv_msg.org_path);
 847
 848         if (recv_msg.status == THUMB_FAIL) {
 849                 thumb_err("Failed to make thumbnail");
 850                 err = MS_MEDIA_ERR_INTERNAL;
 851         }
 852
 853         if (data) {
 854                 thumbUserData* cb = (thumbUserData*)data;
 855                 if (cb->func != NULL)
 856                         cb->func(err, recv_msg.dst_path, cb->user_data);
 857         }
 858
 859         __media_thumb_pop_req_queue(recv_msg.org_path, FALSE);
 860
 861         thumb_dbg("Done");
 862         return FALSE;
 863 }
 864
 865 gboolean _media_thumb_raw_data_write_socket(GIOChannel *src, GIOCondition condition, gpointer data)
 866 {
 867         thumbMsg recv_msg;
 868         int header_size = 0;
 869         int sock = 0;
 870         int err = MS_MEDIA_ERR_NONE;
 871
 872         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 873         sock = g_io_channel_unix_get_fd(src);
 874
 875         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2 - sizeof(unsigned char *);
 876
 877         thumb_err("_media_thumb_write_socket socket : %d", sock);
 878
 879         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 880                 thumb_err("_media_thumb_recv_msg failed ");
 881                 if (recv_msg.request_id > 0) {
 882                         __media_thumb_pop_raw_data_req_queue(recv_msg.request_id, TRUE);
 883                 } else {
 884                         thumb_err("origin path size is wrong.");
 885                 }
 886
 887                 return FALSE;
 888         }
 889
 890         g_io_channel_shutdown(src, TRUE, NULL);
 891         g_io_channel_unref(src);
 892
 893         if (recv_msg.status == THUMB_FAIL) {
 894                 thumb_err("Failed to make thumbnail");
 895                 err = MS_MEDIA_ERR_INTERNAL;
 896         }
 897
 898         if (data) {
 899                 thumbRawUserData* cb = (thumbRawUserData*)data;
 900                 if (cb->func != NULL)
 901                         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);
 902         }
 903
 904         __media_thumb_pop_raw_data_req_queue(recv_msg.request_id, FALSE);
 905
 906         thumb_dbg("Done");
 907
 908         SAFE_FREE(recv_msg.thumb_data);
 909
 910         return FALSE;
 911 }
 912
 913 int _media_thumb_request_async(int msg_type, media_thumb_type thumb_type, const char *origin_path, thumbUserData *userData, uid_t uid)
 914 {
 915         int err = MS_MEDIA_ERR_NONE;
 916         int sock = -1;
 917         struct sockaddr_un serv_addr;
 918         ms_sock_info_s sock_info;
 919         int pid;
 920         sock_info.port = MS_THUMB_CREATOR_PORT;
 921
 922         if ((msg_type == THUMB_REQUEST_DB_INSERT) && (__media_thumb_check_req_queue(origin_path) < 0)) {
 923                 return MS_MEDIA_ERR_THUMB_DUPLICATED_REQUEST;
 924         }
 925
 926         err = ms_ipc_create_client_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock_info);
 927         if(err != MS_MEDIA_ERR_NONE)
 928         {
 929                 thumb_err("ms_ipc_create_client_socket failed");
 930                 return err;
 931         }
 932         GIOChannel *channel = NULL;
 933         channel = g_io_channel_unix_new(sock);
 934         int source_id = -1;
 935
 936
 937         memset(&serv_addr, 0, sizeof(serv_addr));
 938         sock = sock_info.sock_fd;
 939         serv_addr.sun_family = AF_UNIX;
 940
 941         strcpy(serv_addr.sun_path, "/var/run/media-server/media_ipc_thumbcreator.socket");
 942
 943         /* Connecting to the thumbnail server */
 944         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 945                 thumb_stderror("connect");
 946                 g_io_channel_shutdown(channel, TRUE, NULL);
 947                 g_io_channel_unref(channel);
 948                 return MS_MEDIA_ERR_SOCKET_CONN;
 949         }
 950
 951         if (msg_type != THUMB_REQUEST_CANCEL_MEDIA) {
 952                 //source_id = g_io_add_watch(channel, G_IO_IN, _media_thumb_write_socket, userData );
 953
 954                 /* Create new channel to watch udp socket */
 955                 GSource *source = NULL;
 956                 source = g_io_create_watch(channel, G_IO_IN);
 957
 958                 /* Set callback to be called when socket is readable */
 959                 g_source_set_callback(source, (GSourceFunc)_media_thumb_write_socket, userData, NULL);
 960                 source_id = g_source_attach(source, g_main_context_get_thread_default());
 961         }
 962
 963         thumbMsg req_msg;
 964         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 965
 966         pid = getpid();
 967         req_msg.pid = pid;
 968         req_msg.msg_type = msg_type;
 969         req_msg.thumb_type = thumb_type;
 970         req_msg.uid = uid;
 971
 972         strncpy(req_msg.org_path, origin_path, sizeof(req_msg.org_path));
 973         req_msg.org_path[strlen(req_msg.org_path)] = '\0';
 974         req_msg.dst_path[0] = '\0';
 975         req_msg.thumb_data = (unsigned char *)"\0";
 976
 977         req_msg.origin_path_size = strlen(req_msg.org_path);
 978         req_msg.dest_path_size = 1;
 979         req_msg.thumb_size = 1;
 980
 981         if (req_msg.origin_path_size > MAX_PATH_SIZE || req_msg.dest_path_size > MAX_PATH_SIZE) {
 982                 thumb_err("path's length exceeds %d", MAX_PATH_SIZE);
 983                 g_io_channel_shutdown(channel, TRUE, NULL);
 984                 g_io_channel_unref(channel);
 985                 ms_ipc_delete_client_socket(&sock_info);
 986                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 987         }
 988
 989         unsigned char *buf = NULL;
 990         int buf_size = 0;
 991         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 992
 993         if (send(sock, buf, buf_size, 0) != buf_size) {
 994                 thumb_err("sendto failed: %d", errno);
 995                 SAFE_FREE(buf);
 996                 g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), source_id));
 997                 g_io_channel_shutdown(channel, TRUE, NULL);
 998                 g_io_channel_unref(channel);
 999                 ms_ipc_delete_client_socket(&sock_info);
1000                 return MS_MEDIA_ERR_SOCKET_SEND;
1001         }
1002
1003         SAFE_FREE(buf);
1004         thumb_dbg("Sending msg to thumbnail daemon is successful");
1005
1006         if (msg_type == THUMB_REQUEST_CANCEL_MEDIA) {
1007                 g_io_channel_shutdown(channel, TRUE, NULL);
1008
1009                 //thumb_dbg("Cancel : %s[%d]", origin_path, sock);
1010                 __media_thumb_pop_req_queue(origin_path, TRUE);
1011         } else if (msg_type == THUMB_REQUEST_DB_INSERT) {
1012                 if (g_request_queue == NULL) {
1013                         g_request_queue = g_queue_new();
1014                 }
1015
1016                 thumbReq *thumb_req = NULL;
1017                 thumb_req = calloc(1, sizeof(thumbReq));
1018                 if (thumb_req == NULL) {
1019                         thumb_err("Failed to create request element");
1020                         return MS_MEDIA_ERR_INVALID_PARAMETER;
1021                 }
1022
1023                 thumb_req->channel = channel;
1024                 thumb_req->path = strdup(origin_path);
1025                 thumb_req->source_id = source_id;
1026                 thumb_req->userData = userData;
1027
1028                 g_queue_push_tail(g_request_queue, (gpointer)thumb_req);
1029         }
1030
1031         return MS_MEDIA_ERR_NONE;
1032 }
1033
1034 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)
1035 {
1036         int err = MS_MEDIA_ERR_NONE;
1037         int sock;
1038         struct sockaddr_un serv_addr;
1039         ms_sock_info_s sock_info;
1040         int pid;
1041         sock_info.port = MS_THUMB_CREATOR_PORT;
1042
1043         err = ms_ipc_create_client_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock_info);
1044         if(err != MS_MEDIA_ERR_NONE)
1045         {
1046                 thumb_err("ms_ipc_create_client_socket failed");
1047                 return err;
1048         }
1049         GIOChannel *channel = NULL;
1050         channel = g_io_channel_unix_new(sock);
1051         int source_id = -1;
1052
1053
1054         memset(&serv_addr, 0, sizeof(serv_addr));
1055         sock = sock_info.sock_fd;
1056         serv_addr.sun_family = AF_UNIX;
1057
1058         strcpy(serv_addr.sun_path, "/var/run/media-server/media_ipc_thumbcreator.socket");
1059
1060         /* Connecting to the thumbnail server */
1061         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
1062                 thumb_err("connect error : %s", strerror(errno));
1063                 g_io_channel_shutdown(channel, TRUE, NULL);
1064                 g_io_channel_unref(channel);
1065                 return MS_MEDIA_ERR_SOCKET_CONN;
1066         }
1067
1068         if (msg_type != THUMB_REQUEST_CANCEL_RAW_DATA) {
1069                 /* Create new channel to watch udp socket */
1070                 GSource *source = NULL;
1071                 source = g_io_create_watch(channel, G_IO_IN);
1072
1073                 /* Set callback to be called when socket is readable */
1074                 /*NEED UPDATE SOCKET FILE DELETE*/
1075                 g_source_set_callback(source, (GSourceFunc)_media_thumb_raw_data_write_socket, userData, NULL);
1076                 source_id = g_source_attach(source, g_main_context_get_thread_default());
1077         }
1078
1079         thumbMsg req_msg;
1080         memset((void *)&req_msg, 0, sizeof(thumbMsg));
1081
1082         pid = getpid();
1083         req_msg.pid = pid;
1084         req_msg.msg_type = msg_type;
1085         req_msg.thumb_type = MEDIA_THUMB_LARGE;
1086         req_msg.request_id = request_id;
1087         req_msg.thumb_width = width;
1088         req_msg.thumb_height = height;
1089         req_msg.uid = uid;
1090
1091         strncpy(req_msg.org_path, origin_path, sizeof(req_msg.org_path));
1092         req_msg.org_path[strlen(req_msg.org_path)] = '\0';
1093         req_msg.dst_path[0] = '\0';
1094         req_msg.thumb_data = (unsigned char *)"\0";
1095
1096         req_msg.origin_path_size = strlen(req_msg.org_path);
1097         req_msg.dest_path_size = 1;
1098         req_msg.thumb_size = 1;
1099
1100         if (req_msg.origin_path_size > MAX_PATH_SIZE) {
1101                 thumb_err("path's length exceeds %d", MAX_PATH_SIZE);
1102                 g_io_channel_shutdown(channel, TRUE, NULL);
1103                 g_io_channel_unref(channel);
1104                 return MS_MEDIA_ERR_INVALID_PARAMETER;
1105         }
1106
1107         unsigned char *buf = NULL;
1108         int buf_size = 0;
1109         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
1110
1111         if (send(sock, buf, buf_size, 0) != buf_size) {
1112                 thumb_err("sendto failed: %d", errno);
1113                 SAFE_FREE(buf);
1114                 g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), source_id));
1115                 g_io_channel_shutdown(channel, TRUE, NULL);
1116                 g_io_channel_unref(channel);
1117                 return MS_MEDIA_ERR_SOCKET_SEND;
1118         }
1119
1120         SAFE_FREE(buf);
1121         thumb_dbg("Sending msg to thumbnail daemon is successful");
1122
1123         if (msg_type == THUMB_REQUEST_CANCEL_RAW_DATA) {
1124                 g_io_channel_shutdown(channel, TRUE, NULL);
1125                 __media_thumb_pop_raw_data_req_queue(request_id, TRUE);
1126         } else if (msg_type == THUMB_REQUEST_RAW_DATA) {
1127                 if (g_request_queue == NULL) {
1128                         g_request_queue = g_queue_new();
1129                 }
1130                 thumbRawReq *thumb_req = NULL;
1131                 thumb_req = calloc(1, sizeof(thumbReq));
1132                 if (thumb_req == NULL) {
1133                         thumb_err("Failed to create request element");
1134                         return MS_MEDIA_ERR_INVALID_PARAMETER;
1135                 }
1136                 thumb_req->channel = channel;
1137                 thumb_req->request_id = request_id;
1138                 thumb_req->source_id = source_id;
1139                 thumb_req->userData = userData;
1140
1141                 g_queue_push_tail(g_request_queue, (gpointer)thumb_req);
1142         }
1143         return MS_MEDIA_ERR_NONE;
1144 }