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 *gdkdata = 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         // Currently, The color space that is supported by the gdk-pixbuf is only RGB.
 547         media_thumb_format thumb_format = MEDIA_THUMB_RGB888;
 548
 549         thumb_path = res_msg->dst_path;
 550         thumb_path[0] = '\0';
 551         max_length = sizeof(res_msg->dst_path);
 552
 553         err = _media_thumb_db_connect(uid);
 554         if (err < 0) {
 555                 thumb_err("_media_thumb_mb_svc_connect failed: %d", err);
 556                 return MEDIA_THUMB_ERROR_DB;
 557         }
 558
 559         if (msg_type == THUMB_REQUEST_DB_INSERT) {
 560                 err = _media_thumb_get_thumb_from_db_with_size(origin_path, thumb_path, max_length, &need_update_db, &origin_w, &origin_h);
 561                 if (err == 0) {
 562                         res_msg->origin_width = origin_w;
 563                         res_msg->origin_height = origin_h;
 564                         _media_thumb_db_disconnect();
 565                         return MEDIA_THUMB_ERROR_NONE;
 566                 } else {
 567                         if (strlen(thumb_path) == 0) {
 568                                 err = _media_thumb_get_hash_name(origin_path, thumb_path, max_length,uid);
 569                                 if (err < 0) {
 570                                         thumb_err("_media_thumb_get_hash_name failed - %d\n", err);
 571                                         strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 572                                         _media_thumb_db_disconnect();
 573                                         return err;
 574                                 }
 575
 576                                 thumb_path[strlen(thumb_path)] = '\0';
 577                         }
 578                 }
 579
 580         } else if (msg_type == THUMB_REQUEST_SAVE_FILE) {
 581                 strncpy(thumb_path, req_msg->dst_path, max_length);
 582
 583         } else if (msg_type == THUMB_REQUEST_ALL_MEDIA) {
 584                 err = _media_thumb_get_hash_name(origin_path, thumb_path, max_length,uid);
 585                 if (err < 0) {
 586                         thumb_err("_media_thumb_get_hash_name failed - %d\n", err);
 587                         strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 588                         _media_thumb_db_disconnect();
 589                         return err;
 590                 }
 591
 592                 thumb_path[strlen(thumb_path)] = '\0';
 593         }
 594
 595         if (g_file_test(thumb_path,
 596                                         G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
 597                 thumb_warn("thumb path already exists in file system.. remove the existed file");
 598                 _media_thumb_remove_file(thumb_path);
 599         }
 600
 601         err = _thumbnail_get_data(origin_path, thumb_type, thumb_format, &gdkdata, &thumb_size, &thumb_w, &thumb_h, &origin_w, &origin_h, &alpha, uid);
 602         if (err < 0) {
 603                 thumb_err("_thumbnail_get_data failed - %d\n", err);
 604                 if ( gdkdata != NULL ){
 605                         g_object_unref(gdkdata);
 606                 }
 607                 strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 608                 _media_thumb_db_disconnect();
 609                 return err;
 610         }
 611
 612         //thumb_dbg("Size : %d, W:%d, H:%d", thumb_size, thumb_w, thumb_h);
 613         //thumb_dbg("Origin W:%d, Origin H:%d\n", origin_w, origin_h);
 614         //thumb_dbg("Thumb : %s", thumb_path);
 615
 616         res_msg->msg_type = THUMB_RESPONSE;
 617         res_msg->thumb_size = thumb_size;
 618         res_msg->thumb_width = thumb_w;
 619         res_msg->thumb_height = thumb_h;
 620         res_msg->origin_width = origin_w;
 621         res_msg->origin_height = origin_h;
 622
 623         /* If the image is transparent PNG format, make png file as thumbnail of this image */
 624         if (alpha) {
 625                 char file_ext[10];
 626                 err = _media_thumb_get_file_ext(origin_path, file_ext, sizeof(file_ext));
 627                 if (strncasecmp(file_ext, "png", 3) == 0) {
 628                         int len = strlen(thumb_path);
 629                         thumb_path[len - 3] = 'p';
 630                         thumb_path[len - 2] = 'n';
 631                         thumb_path[len - 1] = 'g';
 632                 }
 633                 thumb_dbg("Thumb path is changed : %s", thumb_path);
 634         }
 635
 636         err = _media_thumb_save_to_file_with_gdk(gdkdata, thumb_w, thumb_h, alpha, thumb_path);
 637         if (err < 0) {
 638                 thumb_err("save_to_file_with_gdk failed - %d\n", err);
 639                 if ( gdkdata != NULL ){
 640                         g_object_unref(gdkdata);
 641                 }
 642
 643                 if (msg_type == THUMB_REQUEST_DB_INSERT || msg_type == THUMB_REQUEST_ALL_MEDIA)
 644                         strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 645
 646                 _media_thumb_db_disconnect();
 647                 return err;
 648         } else {
 649                 thumb_dbg("file save success\n");
 650         }
 651
 652         /* fsync */
 653         int fd = 0;
 654         fd = open(thumb_path, O_WRONLY);
 655         if (fd < 0) {
 656                 thumb_warn("open failed");
 657         } else {
 658                 err = fsync(fd);
 659                 if (err == -1) {
 660                         thumb_warn("fsync failed");
 661                 }
 662
 663                 close(fd);
 664         }
 665         /* End of fsync */
 666
 667         g_object_unref(gdkdata);
 668
 669         /* DB update if needed */
 670         if (need_update_db == 1) {
 671                 err = _media_thumb_update_db(origin_path, thumb_path, res_msg->origin_width, res_msg->origin_height, uid);
 672                 if (err < 0) {
 673                         thumb_err("_media_thumb_update_db failed : %d", err);
 674                 }
 675         }
 676
 677         _media_thumb_db_disconnect();
 678
 679         return 0;
 680 }
 681
 682 gboolean _media_thumb_write_socket(GIOChannel *src, GIOCondition condition, gpointer data)
 683 {
 684         thumbMsg recv_msg;
 685         int header_size = 0;
 686         int recv_str_len = 0;
 687         int sock = 0;
 688         int err = MEDIA_THUMB_ERROR_NONE;
 689
 690         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 691         sock = g_io_channel_unix_get_fd(src);
 692
 693         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2;
 694
 695         thumb_err("_media_thumb_write_socket socket : %d", sock);
 696
 697         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 698                 thumb_err("_media_thumb_recv_msg failed ");
 699                 g_io_channel_shutdown(src, TRUE, NULL);
 700                 return FALSE;
 701         }
 702
 703         recv_str_len = strlen(recv_msg.dst_path);
 704         thumb_dbg("recv %s(%d) in  [ %s ] from thumb daemon is successful", recv_msg.dst_path, recv_str_len, recv_msg.org_path);
 705
 706         g_io_channel_shutdown(src, TRUE, NULL);
 707
 708         //thumb_dbg("Completed..%s", recv_msg.org_path);
 709         __media_thumb_pop_req_queue(recv_msg.org_path, FALSE);
 710
 711         if (recv_msg.status == THUMB_FAIL) {
 712                 thumb_err("Failed to make thumbnail");
 713                 err = MEDIA_THUMB_ERROR_UNSUPPORTED;
 714                 goto callback;
 715         }
 716
 717 callback:
 718         if (data) {
 719                 thumbUserData* cb = (thumbUserData*)data;
 720                 cb->func(err, recv_msg.dst_path, cb->user_data);
 721                 free(cb);
 722                 cb = NULL;
 723         }
 724
 725         thumb_dbg("Done");
 726         return FALSE;
 727 }
 728
 729 int
 730 _media_thumb_request_async(int msg_type, media_thumb_type thumb_type, const char *origin_path, thumbUserData *userData, uid_t uid)
 731 {
 732         int sock;
 733 #ifdef _USE_UDS_SOCKET_
 734         struct sockaddr_un serv_addr;
 735 #elif defined(_USE_UDS_SOCKET_TCP_)
 736         struct sockaddr_un serv_addr;
 737 #else
 738         const char *serv_ip = "127.0.0.1";
 739         struct sockaddr_in serv_addr;
 740 #endif
 741
 742         int pid;
 743
 744         if ((msg_type == THUMB_REQUEST_DB_INSERT) && (__media_thumb_check_req_queue(origin_path) < 0)) {
 745                 return MEDIA_THUMB_ERROR_DUPLICATED_REQUEST;
 746         }
 747
 748 #ifdef _USE_MEDIA_UTIL_
 749 #ifdef _USE_UDS_SOCKET_
 750         if (ms_ipc_create_client_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock, MS_THUMB_CREATOR_PORT) < 0) {
 751 #elif defined(_USE_UDS_SOCKET_TCP_)
 752         if (ms_ipc_create_client_tcp_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock, MS_THUMB_CREATOR_TCP_PORT) < 0) {
 753 #else
 754         if (ms_ipc_create_client_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock) < 0) {
 755 #endif
 756                 thumb_err("ms_ipc_create_client_socket failed");
 757                 return MEDIA_THUMB_ERROR_NETWORK;
 758         }
 759 #else
 760         /* Creaete a TCP socket */
 761         if (_media_thumb_create_socket(CLIENT_SOCKET, &sock) < 0) {
 762                 thumb_err("_media_thumb_create_socket failed");
 763                 return MEDIA_THUMB_ERROR_NETWORK;
 764         }
 765 #endif
 766
 767         GIOChannel *channel = NULL;
 768         channel = g_io_channel_unix_new(sock);
 769         int source_id = -1;
 770
 771
 772         memset(&serv_addr, 0, sizeof(serv_addr));
 773 #ifdef _USE_UDS_SOCKET_
 774         serv_addr.sun_family = AF_UNIX;
 775 #elif defined(_USE_UDS_SOCKET_TCP_)
 776         serv_addr.sun_family = AF_UNIX;
 777 #else
 778         serv_addr.sin_family = AF_INET;
 779         serv_addr.sin_addr.s_addr = inet_addr(serv_ip);
 780 #endif
 781
 782 #ifdef _USE_MEDIA_UTIL_
 783 #ifdef _USE_UDS_SOCKET_
 784         strcpy(serv_addr.sun_path, "/var/run/media-server/media_ipc_thumbcreator.socket");
 785 #elif defined(_USE_UDS_SOCKET_TCP_)
 786         strcpy(serv_addr.sun_path, "/tmp/media_ipc_thumbcreator.dat");
 787 #else
 788         serv_addr.sin_port = htons(MS_THUMB_CREATOR_PORT);
 789 #endif
 790 #else
 791         serv_addr.sin_port = htons(THUMB_DAEMON_PORT);
 792 #endif
 793
 794         /* Connecting to the thumbnail server */
 795         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 796                 thumb_err("connect error : %s", strerror(errno));
 797                 g_io_channel_shutdown(channel, TRUE, NULL);
 798                 return MEDIA_THUMB_ERROR_NETWORK;
 799         }
 800
 801         if (msg_type != THUMB_REQUEST_CANCEL_MEDIA) {
 802                 //source_id = g_io_add_watch(channel, G_IO_IN, _media_thumb_write_socket, userData );
 803
 804                 /* Create new channel to watch udp socket */
 805                 GSource *source = NULL;
 806                 source = g_io_create_watch(channel, G_IO_IN);
 807
 808                 /* Set callback to be called when socket is readable */
 809                 g_source_set_callback(source, (GSourceFunc)_media_thumb_write_socket, userData, NULL);
 810                 source_id = g_source_attach(source, g_main_context_get_thread_default());
 811         }
 812
 813         thumbMsg req_msg;
 814         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 815
 816         pid = getpid();
 817         req_msg.pid = pid;
 818         req_msg.msg_type = msg_type;
 819         req_msg.thumb_type = thumb_type;
 820         req_msg.uid = uid;
 821
 822         strncpy(req_msg.org_path, origin_path, sizeof(req_msg.org_path));
 823         req_msg.org_path[strlen(req_msg.org_path)] = '\0';
 824
 825         req_msg.origin_path_size = strlen(req_msg.org_path) + 1;
 826         req_msg.dest_path_size = strlen(req_msg.dst_path) + 1;
 827
 828         if (req_msg.origin_path_size > MAX_PATH_SIZE || req_msg.dest_path_size > MAX_PATH_SIZE) {
 829                 thumb_err("path's length exceeds %d", MAX_PATH_SIZE);
 830                 g_io_channel_shutdown(channel, TRUE, NULL);
 831                 return MEDIA_THUMB_ERROR_INVALID_PARAMETER;
 832         }
 833
 834         unsigned char *buf = NULL;
 835         int buf_size = 0;
 836         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 837
 838         //thumb_dbg("buffer size : %d", buf_size);
 839
 840         if (send(sock, buf, buf_size, 0) != buf_size) {
 841                 thumb_err("sendto failed: %d\n", errno);
 842                 SAFE_FREE(buf);
 843                 g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), source_id));
 844                 g_io_channel_shutdown(channel, TRUE, NULL);
 845                 return MEDIA_THUMB_ERROR_NETWORK;
 846         }
 847
 848         SAFE_FREE(buf);
 849         thumb_dbg("Sending msg to thumbnail daemon is successful");
 850
 851 #if 0
 852         if (msg_type == THUMB_REQUEST_CANCEL_MEDIA) {
 853                 g_io_channel_shutdown(channel, TRUE, NULL);
 854         }
 855 #else
 856         if (msg_type == THUMB_REQUEST_CANCEL_MEDIA) {
 857                 g_io_channel_shutdown(channel, TRUE, NULL);
 858
 859                 //thumb_dbg("Cancel : %s[%d]", origin_path, sock);
 860                 __media_thumb_pop_req_queue(origin_path, TRUE);
 861         } else if (msg_type == THUMB_REQUEST_DB_INSERT) {
 862                 if (g_request_queue == NULL) {
 863                         g_request_queue = g_queue_new();
 864                 }
 865
 866                 thumbReq *thumb_req = NULL;
 867                 thumb_req = calloc(1, sizeof(thumbReq));
 868                 if (thumb_req == NULL) {
 869                         thumb_err("Failed to create request element");
 870                         return 0;
 871                 }
 872
 873                 thumb_req->channel = channel;
 874                 thumb_req->path = strdup(origin_path);
 875                 thumb_req->source_id = source_id;
 876
 877                 //thumb_dbg("Push : %s [%d]", origin_path, sock);
 878                 g_queue_push_tail(g_request_queue, (gpointer)thumb_req);
 879         }
 880 #endif
 881
 882         return 0;
 883 }
 884