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 <glib.h>
  27 #include <fcntl.h>
  28 #include <string.h>
  29 #include <errno.h>
  30 #include <grp.h>
  31 #include <pwd.h>
  32
  33 #define GLOBAL_USER    0 //#define     tzplatform_getenv(TZ_GLOBAL) //TODO
  34
  35 static __thread GQueue *g_request_queue = NULL;
  36 typedef struct {
  37         GIOChannel *channel;
  38         char *path;
  39         int source_id;
  40 } thumbReq;
  41
  42 int
  43 _media_thumb_create_socket(int sock_type, int *sock)
  44 {
  45         int sock_fd = 0;
  46
  47         if ((sock_fd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
  48                 thumb_err("socket failed: %s", strerror(errno));
  49                 return MEDIA_THUMB_ERROR_NETWORK;
  50         }
  51
  52         if (sock_type == CLIENT_SOCKET) {
  53
  54 #ifdef _USE_MEDIA_UTIL_
  55                 struct timeval tv_timeout = { MS_TIMEOUT_SEC_10, 0 };
  56 #else
  57                 struct timeval tv_timeout = { TIMEOUT_SEC, 0 };
  58 #endif
  59
  60                 if (setsockopt(sock_fd, SOL_SOCKET, SO_RCVTIMEO, &tv_timeout, sizeof(tv_timeout)) == -1) {
  61                         thumb_err("setsockopt failed: %s", strerror(errno));
  62                         close(sock_fd);
  63                         return MEDIA_THUMB_ERROR_NETWORK;
  64                 }
  65         } else if (sock_type == SERVER_SOCKET) {
  66
  67                 int n_reuse = 1;
  68
  69                 if (setsockopt(sock_fd, SOL_SOCKET, SO_REUSEADDR, &n_reuse, sizeof(n_reuse)) == -1) {
  70                         thumb_err("setsockopt failed: %s", strerror(errno));
  71                         close(sock_fd);
  72                         return MEDIA_THUMB_ERROR_NETWORK;
  73                 }
  74         }
  75
  76         *sock = sock_fd;
  77
  78         return MEDIA_THUMB_ERROR_NONE;
  79 }
  80
  81
  82 int
  83 _media_thumb_create_udp_socket(int *sock)
  84 {
  85         int sock_fd = 0;
  86
  87         if ((sock_fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
  88                 thumb_err("socket failed: %s", strerror(errno));
  89                 return MEDIA_THUMB_ERROR_NETWORK;
  90         }
  91
  92 #ifdef _USE_MEDIA_UTIL_
  93         struct timeval tv_timeout = { MS_TIMEOUT_SEC_10, 0 };
  94 #else
  95         struct timeval tv_timeout = { TIMEOUT_SEC, 0 };
  96 #endif
  97
  98         if (setsockopt(sock_fd, SOL_SOCKET, SO_RCVTIMEO, &tv_timeout, sizeof(tv_timeout)) == -1) {
  99                 thumb_err("setsockopt failed: %s", strerror(errno));
 100                 close(sock_fd);
 101                 return MEDIA_THUMB_ERROR_NETWORK;
 102         }
 103
 104         *sock = sock_fd;
 105
 106         return MEDIA_THUMB_ERROR_NONE;
 107 }
 108
 109 int _media_thumb_get_error()
 110 {
 111         if (errno == EWOULDBLOCK) {
 112                 thumb_err("Timeout. Can't try any more");
 113                 return MEDIA_THUMB_ERROR_TIMEOUT;
 114         } else {
 115                 thumb_err("recvfrom failed : %s", strerror(errno));
 116                 return MEDIA_THUMB_ERROR_NETWORK;
 117         }
 118 }
 119
 120 int __media_thumb_pop_req_queue(const char *path, bool shutdown_channel)
 121 {
 122         int req_len = 0, i;
 123
 124         if (g_request_queue == NULL) return -1;
 125         req_len = g_queue_get_length(g_request_queue);
 126
 127 //      thumb_dbg("Queue length : %d", req_len);
 128 //      thumb_dbg("Queue path : %s", path);
 129
 130         if (req_len <= 0) {
 131 //              thumb_dbg("There is no request in the queue");
 132         } else {
 133
 134                 for (i = 0; i < req_len; i++) {
 135                         thumbReq *req = NULL;
 136                         req = (thumbReq *)g_queue_peek_nth(g_request_queue, i);
 137                         if (req == NULL) continue;
 138
 139                         if (strncmp(path, req->path, strlen(path)) == 0) {
 140                                 //thumb_dbg("Popped %s", path);
 141                                 if (shutdown_channel) {
 142                                         g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), req->source_id));
 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);
 151
 152                                 break;
 153                         }
 154                 }
 155                 if (i == req_len) {
 156 //                      thumb_dbg("There's no %s in the queue", path);
 157                 }
 158         }
 159
 160         return MEDIA_THUMB_ERROR_NONE;
 161 }
 162
 163 int __media_thumb_check_req_queue(const char *path)
 164 {
 165         int req_len = 0, i;
 166
 167         if (g_request_queue == NULL) return MEDIA_THUMB_ERROR_NONE;
 168         req_len = g_queue_get_length(g_request_queue);
 169
 170 //      thumb_dbg("Queue length : %d", req_len);
 171 //      thumb_dbg("Queue path : %s", path);
 172
 173         if (req_len <= 0) {
 174 //              thumb_dbg("There is no request in the queue");
 175         } else {
 176
 177                 for (i = 0; i < req_len; i++) {
 178                         thumbReq *req = NULL;
 179                         req = (thumbReq *)g_queue_peek_nth(g_request_queue, i);
 180                         if (req == NULL) continue;
 181
 182                         if (strncmp(path, req->path, strlen(path)) == 0) {
 183                                 //thumb_dbg("Same Request - %s", path);
 184                                 return -1;
 185
 186                                 break;
 187                         }
 188                 }
 189         }
 190
 191         return MEDIA_THUMB_ERROR_NONE;
 192 }
 193
 194 int
 195 _media_thumb_recv_msg(int sock, int header_size, thumbMsg *msg)
 196 {
 197         int recv_msg_len = 0;
 198         unsigned char *buf = NULL;
 199
 200         buf = (unsigned char*)malloc(header_size);
 201
 202         if ((recv_msg_len = recv(sock, buf, header_size, 0)) <= 0) {
 203                 thumb_err("recvfrom failed : %s", strerror(errno));
 204                 SAFE_FREE(buf);
 205                 return _media_thumb_get_error();
 206         }
 207
 208         memcpy(msg, buf, header_size);
 209         //thumb_dbg("origin_path_size : %d, dest_path_size : %d", msg->origin_path_size, msg->dest_path_size);
 210
 211         SAFE_FREE(buf);
 212
 213         buf = (unsigned char*)malloc(msg->origin_path_size);
 214
 215         if ((recv_msg_len = recv(sock, buf, msg->origin_path_size, 0)) < 0) {
 216                 thumb_err("recvfrom failed : %s", strerror(errno));
 217                 SAFE_FREE(buf);
 218                 return _media_thumb_get_error();
 219         }
 220
 221         strncpy(msg->org_path, (char*)buf, msg->origin_path_size);
 222         //thumb_dbg("original path : %s", msg->org_path);
 223
 224         SAFE_FREE(buf);
 225         buf = (unsigned char*)malloc(msg->dest_path_size);
 226
 227         if ((recv_msg_len = recv(sock, buf, msg->dest_path_size, 0)) < 0) {
 228                 thumb_err("recvfrom failed : %s", strerror(errno));
 229                 SAFE_FREE(buf);
 230                 return _media_thumb_get_error();
 231         }
 232
 233         strncpy(msg->dst_path, (char*)buf, msg->dest_path_size);
 234         //thumb_dbg("destination path : %s", msg->dst_path);
 235
 236         SAFE_FREE(buf);
 237         return MEDIA_THUMB_ERROR_NONE;
 238 }
 239
 240 #ifdef _USE_UDS_SOCKET_
 241 int
 242 _media_thumb_recv_udp_msg(int sock, int header_size, thumbMsg *msg, struct sockaddr_un *from_addr, unsigned int *from_size)
 243 #else
 244 int
 245 _media_thumb_recv_udp_msg(int sock, int header_size, thumbMsg *msg, struct sockaddr_in *from_addr, unsigned int *from_size)
 246 #endif
 247 {
 248         int recv_msg_len = 0;
 249 #ifdef _USE_UDS_SOCKET_
 250         unsigned int from_addr_size = sizeof(struct sockaddr_un);
 251 #else
 252         unsigned int from_addr_size = sizeof(struct sockaddr_in);
 253 #endif
 254         unsigned char *buf = NULL;
 255
 256         buf = (unsigned char*)malloc(sizeof(thumbMsg));
 257
 258         if ((recv_msg_len = recvfrom(sock, buf, sizeof(thumbMsg), 0, (struct sockaddr *)from_addr, &from_addr_size)) < 0) {
 259                 thumb_err("recvfrom failed : %s", strerror(errno));
 260                 SAFE_FREE(buf);
 261                 return _media_thumb_get_error();
 262         }
 263
 264         memcpy(msg, buf, header_size);
 265
 266         if (msg->origin_path_size <= 0  || msg->origin_path_size > MAX_PATH_SIZE) {
 267                 SAFE_FREE(buf);
 268                 thumb_err("msg->origin_path_size is invalid %d", msg->origin_path_size );
 269                 return MEDIA_THUMB_ERROR_NETWORK;
 270         }
 271
 272         strncpy(msg->org_path, (char*)buf + header_size, msg->origin_path_size);
 273         //thumb_dbg("original path : %s", msg->org_path);
 274
 275         if (msg->dest_path_size <= 0  || msg->dest_path_size > MAX_PATH_SIZE) {
 276                 SAFE_FREE(buf);
 277                 thumb_err("msg->origin_path_size is invalid %d", msg->dest_path_size );
 278                 return MEDIA_THUMB_ERROR_NETWORK;
 279         }
 280
 281         strncpy(msg->dst_path, (char*)buf + header_size + msg->origin_path_size, msg->dest_path_size);
 282         //thumb_dbg("destination path : %s", msg->dst_path);
 283
 284         SAFE_FREE(buf);
 285         *from_size = from_addr_size;
 286
 287         return MEDIA_THUMB_ERROR_NONE;
 288 }
 289
 290 int
 291 _media_thumb_set_buffer(thumbMsg *req_msg, unsigned char **buf, int *buf_size)
 292 {
 293         if (req_msg == NULL || buf == NULL) {
 294                 return -1;
 295         }
 296
 297         int org_path_len = 0;
 298         int dst_path_len = 0;
 299         int size = 0;
 300         int header_size = 0;
 301
 302         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2;
 303         org_path_len = strlen(req_msg->org_path) + 1;
 304         dst_path_len = strlen(req_msg->dst_path) + 1;
 305
 306         //thumb_dbg("Basic Size : %d, org_path : %s[%d], dst_path : %s[%d]", header_size, req_msg->org_path, org_path_len, req_msg->dst_path, dst_path_len);
 307
 308         size = header_size + org_path_len + dst_path_len;
 309         *buf = malloc(size);
 310         memcpy(*buf, req_msg, header_size);
 311         memcpy((*buf)+header_size, req_msg->org_path, org_path_len);
 312         memcpy((*buf)+header_size + org_path_len, req_msg->dst_path, dst_path_len);
 313
 314         *buf_size = size;
 315
 316         return 0;
 317 }
 318
 319 int
 320 _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)
 321 {
 322         int sock;
 323 #ifdef _USE_UDS_SOCKET_
 324         struct sockaddr_un serv_addr;
 325 #elif defined(_USE_UDS_SOCKET_TCP_)
 326         struct sockaddr_un serv_addr;
 327 #else
 328         const char *serv_ip = "127.0.0.1";
 329         struct sockaddr_in serv_addr;
 330 #endif
 331
 332         int recv_str_len = 0;
 333         int err;
 334         int pid;
 335
 336
 337 #ifdef _USE_MEDIA_UTIL_
 338 #ifdef _USE_UDS_SOCKET_
 339         if (ms_ipc_create_client_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock, MS_THUMB_CREATOR_PORT) < 0) {
 340 #elif defined(_USE_UDS_SOCKET_TCP_)
 341         if (ms_ipc_create_client_tcp_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock, MS_THUMB_CREATOR_TCP_PORT) < 0) {
 342 #else
 343         if (ms_ipc_create_client_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock) < 0) {
 344 #endif
 345                 thumb_err("ms_ipc_create_client_socket failed");
 346                 return MEDIA_THUMB_ERROR_NETWORK;
 347         }
 348 #else
 349         /* Creaete a TCP socket */
 350         if (_media_thumb_create_socket(CLIENT_SOCKET, &sock) < 0) {
 351                 thumb_err("_media_thumb_create_socket failed");
 352                 return MEDIA_THUMB_ERROR_NETWORK;
 353         }
 354 #endif
 355
 356         memset(&serv_addr, 0, sizeof(serv_addr));
 357 #ifdef _USE_UDS_SOCKET_
 358         serv_addr.sun_family = AF_UNIX;
 359 #elif defined(_USE_UDS_SOCKET_TCP_)
 360         serv_addr.sun_family = AF_UNIX;
 361 #else
 362         serv_addr.sin_family = AF_INET;
 363         serv_addr.sin_addr.s_addr = inet_addr(serv_ip);
 364 #endif
 365
 366 #ifdef _USE_MEDIA_UTIL_
 367 #ifdef _USE_UDS_SOCKET_
 368         strcpy(serv_addr.sun_path, "/var/run/media-server/media_ipc_thumbcreator.socket");
 369 #elif defined(_USE_UDS_SOCKET_TCP_)
 370         thumb_dbg("");
 371         strcpy(serv_addr.sun_path, "/var/run/media-server/media_ipc_thumbcreator.socket");
 372 #else
 373         serv_addr.sin_port = htons(MS_THUMB_CREATOR_PORT);
 374 #endif
 375 #else
 376         serv_addr.sin_port = htons(THUMB_DAEMON_PORT);
 377 #endif
 378
 379         /* Connecting to the thumbnail server */
 380         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 381                 thumb_err("connect error : %s", strerror(errno));
 382                 return MEDIA_THUMB_ERROR_NETWORK;
 383         }
 384
 385         thumbMsg req_msg;
 386         thumbMsg recv_msg;
 387
 388         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 389         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 390
 391         /* Get PID of client*/
 392         pid = getpid();
 393         req_msg.pid = pid;
 394
 395         /* Set requset message */
 396         req_msg.msg_type = msg_type;
 397         req_msg.thumb_type = thumb_type;
 398         req_msg.uid = uid;
 399         strncpy(req_msg.org_path, origin_path, sizeof(req_msg.org_path));
 400         req_msg.org_path[strlen(req_msg.org_path)] = '\0';
 401
 402         if (msg_type == THUMB_REQUEST_SAVE_FILE) {
 403                 strncpy(req_msg.dst_path, thumb_path, sizeof(req_msg.dst_path));
 404                 req_msg.dst_path[strlen(req_msg.dst_path)] = '\0';
 405         }
 406
 407         req_msg.origin_path_size = strlen(req_msg.org_path) + 1;
 408         req_msg.dest_path_size = strlen(req_msg.dst_path) + 1;
 409
 410         if (req_msg.origin_path_size > MAX_PATH_SIZE || req_msg.dest_path_size > MAX_PATH_SIZE) {
 411                 thumb_err("path's length exceeds %d", MAX_PATH_SIZE);
 412                 close(sock);
 413                 return MEDIA_THUMB_ERROR_INVALID_PARAMETER;
 414         }
 415
 416         unsigned char *buf = NULL;
 417         int buf_size = 0;
 418         int header_size = 0;
 419
 420         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2;
 421         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 422
 423         if (send(sock, buf, buf_size, 0) != buf_size) {
 424                 thumb_err("sendto failed: %d\n", errno);
 425                 SAFE_FREE(buf);
 426                 close(sock);
 427                 return MEDIA_THUMB_ERROR_NETWORK;
 428         }
 429
 430         thumb_dbg("Sending msg to thumbnail daemon is successful");
 431
 432         SAFE_FREE(buf);
 433
 434         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 435                 thumb_err("_media_thumb_recv_msg failed ");
 436                 close(sock);
 437                 return err;
 438         }
 439
 440         recv_str_len = strlen(recv_msg.org_path);
 441         thumb_dbg("recv %s(%d) from thumb daemon is successful", recv_msg.org_path, recv_str_len);
 442
 443         close(sock);
 444
 445         if (recv_str_len > max_length) {
 446                 thumb_err("user buffer is too small. Output's length is %d", recv_str_len);
 447                 return MEDIA_THUMB_ERROR_INVALID_PARAMETER;
 448         }
 449
 450         if (recv_msg.status == THUMB_FAIL) {
 451                 thumb_err("Failed to make thumbnail");
 452                 return -1;
 453         }
 454
 455         if (msg_type != THUMB_REQUEST_SAVE_FILE) {
 456                 strncpy(thumb_path, recv_msg.dst_path, max_length);
 457         }
 458
 459         thumb_info->origin_width = recv_msg.origin_width;
 460         thumb_info->origin_height = recv_msg.origin_height;
 461
 462         return 0;
 463 }
 464
 465 static int _mkdir(const char *dir, mode_t mode) {
 466         char tmp[256];
 467         char *p = NULL;
 468         size_t len;
 469
 470         snprintf(tmp, sizeof(tmp),"%s",dir);
 471         len = strlen(tmp);
 472         if(tmp[len - 1] == '/')
 473                 tmp[len - 1] = 0;
 474         for(p = tmp + 1; *p; p++)
 475                 if(*p == '/') {
 476                         *p = 0;
 477                         mkdir(tmp, mode);
 478                         *p = '/';
 479                 }
 480         return mkdir(tmp, mode);
 481 }
 482
 483 static char* _media_thumb_get_default_path(uid_t uid)
 484 {
 485         char *result_psswd = NULL;
 486         struct group *grpinfo = NULL;
 487         if(uid == getuid())
 488         {
 489                 result_psswd = strdup(THUMB_DEFAULT_PATH);
 490                 grpinfo = getgrnam("users");
 491                 if(grpinfo == NULL) {
 492                         thumb_err("getgrnam(users) returns NULL !");
 493                         return NULL;
 494                 }
 495         }
 496         else
 497         {
 498                 struct passwd *userinfo = getpwuid(uid);
 499                 if(userinfo == NULL) {
 500                         thumb_err("getpwuid(%d) returns NULL !", uid);
 501                         return NULL;
 502                 }
 503                 grpinfo = getgrnam("users");
 504                 if(grpinfo == NULL) {
 505                         thumb_err("getgrnam(users) returns NULL !");
 506                         return NULL;
 507                 }
 508                 // Compare git_t type and not group name
 509                 if (grpinfo->gr_gid != userinfo->pw_gid) {
 510                         thumb_err("UID [%d] does not belong to 'users' group!", uid);
 511                         return NULL;
 512                 }
 513                 asprintf(&result_psswd, "%s/data/file-manager-service/.thumb/phone", userinfo->pw_dir);
 514         }
 515
 516         /* create dir */
 517         _mkdir(result_psswd,S_IRWXU | S_IRWXG | S_IRWXO);
 518
 519         return result_psswd;
 520 }
 521
 522 int
 523 _media_thumb_process(thumbMsg *req_msg, thumbMsg *res_msg, uid_t uid)
 524 {
 525         int err = -1;
 526         GdkPixbuf *data = NULL;
 527         int thumb_size = 0;
 528         int thumb_w = 0;
 529         int thumb_h = 0;
 530         int origin_w = 0;
 531         int origin_h = 0;
 532         int max_length = 0;
 533         char *thumb_path = NULL;
 534         int need_update_db = 0;
 535         int alpha = 0;
 536
 537         if (req_msg == NULL || res_msg == NULL) {
 538                 thumb_err("Invalid msg!");
 539                 return MEDIA_THUMB_ERROR_INVALID_PARAMETER;
 540         }
 541
 542         int msg_type = req_msg->msg_type;
 543         media_thumb_type thumb_type = req_msg->thumb_type;
 544         const char *origin_path = req_msg->org_path;
 545
 546         media_thumb_format thumb_format = MEDIA_THUMB_BGRA;
 547
 548         thumb_path = res_msg->dst_path;
 549         thumb_path[0] = '\0';
 550         max_length = sizeof(res_msg->dst_path);
 551
 552         err = _media_thumb_db_connect(uid);
 553         if (err < 0) {
 554                 thumb_err("_media_thumb_mb_svc_connect failed: %d", err);
 555                 return MEDIA_THUMB_ERROR_DB;
 556         }
 557
 558         if (msg_type == THUMB_REQUEST_DB_INSERT) {
 559                 err = _media_thumb_get_thumb_from_db_with_size(origin_path, thumb_path, max_length, &need_update_db, &origin_w, &origin_h);
 560                 if (err == 0) {
 561                         res_msg->origin_width = origin_w;
 562                         res_msg->origin_height = origin_h;
 563                         _media_thumb_db_disconnect();
 564                         return MEDIA_THUMB_ERROR_NONE;
 565                 } else {
 566                         if (strlen(thumb_path) == 0) {
 567                                 err = _media_thumb_get_hash_name(origin_path, thumb_path, max_length,uid);
 568                                 if (err < 0) {
 569                                         thumb_err("_media_thumb_get_hash_name failed - %d\n", err);
 570                                         strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 571                                         _media_thumb_db_disconnect();
 572                                         return err;
 573                                 }
 574
 575                                 thumb_path[strlen(thumb_path)] = '\0';
 576                         }
 577                 }
 578
 579         } else if (msg_type == THUMB_REQUEST_SAVE_FILE) {
 580                 strncpy(thumb_path, req_msg->dst_path, max_length);
 581
 582         } else if (msg_type == THUMB_REQUEST_ALL_MEDIA) {
 583                 err = _media_thumb_get_hash_name(origin_path, thumb_path, max_length,uid);
 584                 if (err < 0) {
 585                         thumb_err("_media_thumb_get_hash_name failed - %d\n", err);
 586                         strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 587                         _media_thumb_db_disconnect();
 588                         return err;
 589                 }
 590
 591                 thumb_path[strlen(thumb_path)] = '\0';
 592         }
 593
 594         if (g_file_test(thumb_path,
 595                                         G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
 596                 thumb_warn("thumb path already exists in file system.. remove the existed file");
 597                 _media_thumb_remove_file(thumb_path);
 598         }
 599
 600         err = _thumbnail_get_data(origin_path, thumb_type, thumb_format, &data, &thumb_size, &thumb_w, &thumb_h, &origin_w, &origin_h, &alpha, uid);
 601         if (err < 0) {
 602                 thumb_err("_thumbnail_get_data failed - %d\n", err);
 603                 g_object_unref(data);
 604
 605                 strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 606                 _media_thumb_db_disconnect();
 607                 return err;
 608         }
 609
 610         //thumb_dbg("Size : %d, W:%d, H:%d", thumb_size, thumb_w, thumb_h);
 611         //thumb_dbg("Origin W:%d, Origin H:%d\n", origin_w, origin_h);
 612         //thumb_dbg("Thumb : %s", thumb_path);
 613
 614         res_msg->msg_type = THUMB_RESPONSE;
 615         res_msg->thumb_size = thumb_size;
 616         res_msg->thumb_width = thumb_w;
 617         res_msg->thumb_height = thumb_h;
 618         res_msg->origin_width = origin_w;
 619         res_msg->origin_height = origin_h;
 620
 621         /* If the image is transparent PNG format, make png file as thumbnail of this image */
 622         if (alpha) {
 623                 char file_ext[10];
 624                 err = _media_thumb_get_file_ext(origin_path, file_ext, sizeof(file_ext));
 625                 if (strncasecmp(file_ext, "png", 3) == 0) {
 626                         int len = strlen(thumb_path);
 627                         thumb_path[len - 3] = 'p';
 628                         thumb_path[len - 2] = 'n';
 629                         thumb_path[len - 1] = 'g';
 630                 }
 631                 thumb_dbg("Thumb path is changed : %s", thumb_path);
 632         }
 633
 634         err = _media_thumb_save_to_file_with_gdk(data, thumb_w, thumb_h, alpha, thumb_path);
 635         if (err < 0) {
 636                 thumb_err("save_to_file_with_gdk failed - %d\n", err);
 637                 g_object_unref(data);
 638
 639                 if (msg_type == THUMB_REQUEST_DB_INSERT || msg_type == THUMB_REQUEST_ALL_MEDIA)
 640                         strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 641
 642                 _media_thumb_db_disconnect();
 643                 return err;
 644         } else {
 645                 thumb_dbg("file save success\n");
 646         }
 647
 648         /* fsync */
 649         int fd = 0;
 650         fd = open(thumb_path, O_WRONLY);
 651         if (fd < 0) {
 652                 thumb_warn("open failed");
 653         } else {
 654                 err = fsync(fd);
 655                 if (err == -1) {
 656                         thumb_warn("fsync failed");
 657                 }
 658
 659                 close(fd);
 660         }
 661         /* End of fsync */
 662
 663         g_object_unref(data);
 664
 665         /* DB update if needed */
 666         if (need_update_db == 1) {
 667                 err = _media_thumb_update_db(origin_path, thumb_path, res_msg->origin_width, res_msg->origin_height, uid);
 668                 if (err < 0) {
 669                         thumb_err("_media_thumb_update_db failed : %d", err);
 670                 }
 671         }
 672
 673         _media_thumb_db_disconnect();
 674
 675         return 0;
 676 }
 677
 678 gboolean _media_thumb_write_socket(GIOChannel *src, GIOCondition condition, gpointer data)
 679 {
 680         thumbMsg recv_msg;
 681         int header_size = 0;
 682         int recv_str_len = 0;
 683         int sock = 0;
 684         int err = MEDIA_THUMB_ERROR_NONE;
 685
 686         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 687         sock = g_io_channel_unix_get_fd(src);
 688
 689         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2;
 690
 691         thumb_err("_media_thumb_write_socket socket : %d", sock);
 692
 693         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 694                 thumb_err("_media_thumb_recv_msg failed ");
 695                 g_io_channel_shutdown(src, TRUE, NULL);
 696                 return FALSE;
 697         }
 698
 699         recv_str_len = strlen(recv_msg.dst_path);
 700         thumb_dbg("recv %s(%d) in  [ %s ] from thumb daemon is successful", recv_msg.dst_path, recv_str_len, recv_msg.org_path);
 701
 702         g_io_channel_shutdown(src, TRUE, NULL);
 703
 704         //thumb_dbg("Completed..%s", recv_msg.org_path);
 705         __media_thumb_pop_req_queue(recv_msg.org_path, FALSE);
 706
 707         if (recv_msg.status == THUMB_FAIL) {
 708                 thumb_err("Failed to make thumbnail");
 709                 err = MEDIA_THUMB_ERROR_UNSUPPORTED;
 710                 goto callback;
 711         }
 712
 713 callback:
 714         if (data) {
 715                 thumbUserData* cb = (thumbUserData*)data;
 716                 cb->func(err, recv_msg.dst_path, cb->user_data);
 717                 free(cb);
 718                 cb = NULL;
 719         }
 720
 721         thumb_dbg("Done");
 722         return FALSE;
 723 }
 724
 725 int
 726 _media_thumb_request_async(int msg_type, media_thumb_type thumb_type, const char *origin_path, thumbUserData *userData, uid_t uid)
 727 {
 728         int sock;
 729 #ifdef _USE_UDS_SOCKET_
 730         struct sockaddr_un serv_addr;
 731 #elif defined(_USE_UDS_SOCKET_TCP_)
 732         struct sockaddr_un serv_addr;
 733 #else
 734         const char *serv_ip = "127.0.0.1";
 735         struct sockaddr_in serv_addr;
 736 #endif
 737
 738         int pid;
 739
 740         if ((msg_type == THUMB_REQUEST_DB_INSERT) && (__media_thumb_check_req_queue(origin_path) < 0)) {
 741                 return MEDIA_THUMB_ERROR_DUPLICATED_REQUEST;
 742         }
 743
 744 #ifdef _USE_MEDIA_UTIL_
 745 #ifdef _USE_UDS_SOCKET_
 746         if (ms_ipc_create_client_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock, MS_THUMB_CREATOR_PORT) < 0) {
 747 #elif defined(_USE_UDS_SOCKET_TCP_)
 748         if (ms_ipc_create_client_tcp_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock, MS_THUMB_CREATOR_TCP_PORT) < 0) {
 749 #else
 750         if (ms_ipc_create_client_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock) < 0) {
 751 #endif
 752                 thumb_err("ms_ipc_create_client_socket failed");
 753                 return MEDIA_THUMB_ERROR_NETWORK;
 754         }
 755 #else
 756         /* Creaete a TCP socket */
 757         if (_media_thumb_create_socket(CLIENT_SOCKET, &sock) < 0) {
 758                 thumb_err("_media_thumb_create_socket failed");
 759                 return MEDIA_THUMB_ERROR_NETWORK;
 760         }
 761 #endif
 762
 763         GIOChannel *channel = NULL;
 764         channel = g_io_channel_unix_new(sock);
 765         int source_id = -1;
 766
 767
 768         memset(&serv_addr, 0, sizeof(serv_addr));
 769 #ifdef _USE_UDS_SOCKET_
 770         serv_addr.sun_family = AF_UNIX;
 771 #elif defined(_USE_UDS_SOCKET_TCP_)
 772         serv_addr.sun_family = AF_UNIX;
 773 #else
 774         serv_addr.sin_family = AF_INET;
 775         serv_addr.sin_addr.s_addr = inet_addr(serv_ip);
 776 #endif
 777
 778 #ifdef _USE_MEDIA_UTIL_
 779 #ifdef _USE_UDS_SOCKET_
 780         strcpy(serv_addr.sun_path, "/var/run/media-server/media_ipc_thumbcreator.socket");
 781 #elif defined(_USE_UDS_SOCKET_TCP_)
 782         strcpy(serv_addr.sun_path, "/tmp/media_ipc_thumbcreator.dat");
 783 #else
 784         serv_addr.sin_port = htons(MS_THUMB_CREATOR_PORT);
 785 #endif
 786 #else
 787         serv_addr.sin_port = htons(THUMB_DAEMON_PORT);
 788 #endif
 789
 790         /* Connecting to the thumbnail server */
 791         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 792                 thumb_err("connect error : %s", strerror(errno));
 793                 g_io_channel_shutdown(channel, TRUE, NULL);
 794                 return MEDIA_THUMB_ERROR_NETWORK;
 795         }
 796
 797         if (msg_type != THUMB_REQUEST_CANCEL_MEDIA) {
 798                 //source_id = g_io_add_watch(channel, G_IO_IN, _media_thumb_write_socket, userData );
 799
 800                 /* Create new channel to watch udp socket */
 801                 GSource *source = NULL;
 802                 source = g_io_create_watch(channel, G_IO_IN);
 803
 804                 /* Set callback to be called when socket is readable */
 805                 g_source_set_callback(source, (GSourceFunc)_media_thumb_write_socket, userData, NULL);
 806                 source_id = g_source_attach(source, g_main_context_get_thread_default());
 807         }
 808
 809         thumbMsg req_msg;
 810         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 811
 812         pid = getpid();
 813         req_msg.pid = pid;
 814         req_msg.msg_type = msg_type;
 815         req_msg.thumb_type = thumb_type;
 816         req_msg.uid = uid;
 817
 818         strncpy(req_msg.org_path, origin_path, sizeof(req_msg.org_path));
 819         req_msg.org_path[strlen(req_msg.org_path)] = '\0';
 820
 821         req_msg.origin_path_size = strlen(req_msg.org_path) + 1;
 822         req_msg.dest_path_size = strlen(req_msg.dst_path) + 1;
 823
 824         if (req_msg.origin_path_size > MAX_PATH_SIZE || req_msg.dest_path_size > MAX_PATH_SIZE) {
 825                 thumb_err("path's length exceeds %d", MAX_PATH_SIZE);
 826                 g_io_channel_shutdown(channel, TRUE, NULL);
 827                 return MEDIA_THUMB_ERROR_INVALID_PARAMETER;
 828         }
 829
 830         unsigned char *buf = NULL;
 831         int buf_size = 0;
 832         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 833
 834         //thumb_dbg("buffer size : %d", buf_size);
 835
 836         if (send(sock, buf, buf_size, 0) != buf_size) {
 837                 thumb_err("sendto failed: %d\n", errno);
 838                 SAFE_FREE(buf);
 839                 g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), source_id));
 840                 g_io_channel_shutdown(channel, TRUE, NULL);
 841                 return MEDIA_THUMB_ERROR_NETWORK;
 842         }
 843
 844         SAFE_FREE(buf);
 845         thumb_dbg("Sending msg to thumbnail daemon is successful");
 846
 847 #if 0
 848         if (msg_type == THUMB_REQUEST_CANCEL_MEDIA) {
 849                 g_io_channel_shutdown(channel, TRUE, NULL);
 850         }
 851 #else
 852         if (msg_type == THUMB_REQUEST_CANCEL_MEDIA) {
 853                 g_io_channel_shutdown(channel, TRUE, NULL);
 854
 855                 //thumb_dbg("Cancel : %s[%d]", origin_path, sock);
 856                 __media_thumb_pop_req_queue(origin_path, TRUE);
 857         } else if (msg_type == THUMB_REQUEST_DB_INSERT) {
 858                 if (g_request_queue == NULL) {
 859                         g_request_queue = g_queue_new();
 860                 }
 861
 862                 thumbReq *thumb_req = NULL;
 863                 thumb_req = calloc(1, sizeof(thumbReq));
 864                 if (thumb_req == NULL) {
 865                         thumb_err("Failed to create request element");
 866                         return 0;
 867                 }
 868
 869                 thumb_req->channel = channel;
 870                 thumb_req->path = strdup(origin_path);
 871                 thumb_req->source_id = source_id;
 872
 873                 //thumb_dbg("Push : %s [%d]", origin_path, sock);
 874                 g_queue_push_tail(g_request_queue, (gpointer)thumb_req);
 875         }
 876 #endif
 877
 878         return 0;
 879 }
 880