src/ipc/media-thumb-ipc.c

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