src/ipc/media-thumb-ipc.c

   1 /*
   2  * libmedia-thumbnail
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: Hyunjun Ko <zzoon.ko@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22 #include "media-thumbnail.h"
  23 #include "media-thumb-ipc.h"
  24 #include "media-thumb-util.h"
  25 #include "media-thumb-db.h"
  26 #include "media-thumb-debug.h"
  27 #include <glib.h>
  28 #include <fcntl.h>
  29 #include <string.h>
  30 #include <errno.h>
  31 #include <grp.h>
  32 #include <pwd.h>
  33
  34 #define GLOBAL_USER    0 //#define     tzplatform_getenv(TZ_GLOBAL) //TODO
  35 #define THUMB_SOCK_BLOCK_SIZE 512
  36
  37 static __thread GQueue *g_request_queue = NULL;
  38 typedef struct {
  39         GIOChannel *channel;
  40         char *path;
  41         int source_id;
  42         thumbUserData *userData;
  43 } thumbReq;
  44
  45 typedef struct {
  46         GIOChannel *channel;
  47         int request_id;
  48         int source_id;
  49         thumbRawUserData *userData;
  50 } thumbRawReq;
  51
  52 int _media_thumb_create_socket(int sock_type, int *sock)
  53 {
  54         int sock_fd = 0;
  55
  56         if ((sock_fd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
  57                 thumb_err("socket failed: %s", strerror(errno));
  58                 return MS_MEDIA_ERR_SOCKET_CONN;
  59         }
  60
  61         if (sock_type == CLIENT_SOCKET) {
  62                 struct timeval tv_timeout = { MS_TIMEOUT_SEC_10, 0 };
  63
  64                 if (setsockopt(sock_fd, SOL_SOCKET, SO_RCVTIMEO, &tv_timeout, sizeof(tv_timeout)) == -1) {
  65                         thumb_err("setsockopt failed: %s", strerror(errno));
  66                         close(sock_fd);
  67                         return MS_MEDIA_ERR_SOCKET_CONN;
  68                 }
  69         } else if (sock_type == SERVER_SOCKET) {
  70
  71                 int n_reuse = 1;
  72
  73                 if (setsockopt(sock_fd, SOL_SOCKET, SO_REUSEADDR, &n_reuse, sizeof(n_reuse)) == -1) {
  74                         thumb_err("setsockopt failed: %s", strerror(errno));
  75                         close(sock_fd);
  76                         return MS_MEDIA_ERR_SOCKET_CONN;
  77                 }
  78         }
  79
  80         *sock = sock_fd;
  81
  82         return MS_MEDIA_ERR_NONE;
  83 }
  84
  85
  86 int _media_thumb_create_udp_socket(int *sock)
  87 {
  88         int sock_fd = 0;
  89
  90         if ((sock_fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
  91                 thumb_err("socket failed: %s", strerror(errno));
  92                 return MS_MEDIA_ERR_SOCKET_CONN;
  93         }
  94
  95         struct timeval tv_timeout = { MS_TIMEOUT_SEC_10, 0 };
  96
  97         if (setsockopt(sock_fd, SOL_SOCKET, SO_RCVTIMEO, &tv_timeout, sizeof(tv_timeout)) == -1) {
  98                 thumb_err("setsockopt failed: %s", strerror(errno));
  99                 close(sock_fd);
 100                 return MS_MEDIA_ERR_SOCKET_CONN;
 101         }
 102
 103         *sock = sock_fd;
 104
 105         return MS_MEDIA_ERR_NONE;
 106 }
 107
 108 int _media_thumb_get_error()
 109 {
 110         if (errno == EWOULDBLOCK) {
 111                 thumb_err("Timeout. Can't try any more");
 112                 return MS_MEDIA_ERR_SOCKET_RECEIVE_TIMEOUT;
 113         } else {
 114                 thumb_err("recvfrom failed : %s", strerror(errno));
 115                 return MS_MEDIA_ERR_SOCKET_RECEIVE;
 116         }
 117 }
 118
 119 int __media_thumb_pop_req_queue(const char *path, bool shutdown_channel)
 120 {
 121         int req_len = 0, i;
 122
 123         if (g_request_queue == NULL) return MS_MEDIA_ERR_INVALID_PARAMETER;
 124         req_len = g_queue_get_length(g_request_queue);
 125
 126         if (req_len <= 0) {
 127 //              thumb_dbg("There is no request in the queue");
 128         } else {
 129
 130                 for (i = 0; i < req_len; i++) {
 131                         thumbReq *req = NULL;
 132                         req = (thumbReq *)g_queue_peek_nth(g_request_queue, i);
 133                         if (req == NULL) continue;
 134
 135                         if (strncmp(path, req->path, strlen(path)) == 0) {
 136                                 if (shutdown_channel) {
 137                                         GSource *source_id = g_main_context_find_source_by_id(g_main_context_get_thread_default(), req->source_id);
 138                                         if (source_id != NULL) {
 139                                                 g_source_destroy(source_id);
 140                                         } else {
 141                                                 thumb_err("G_SOURCE_ID is NULL");
 142                                         }
 143
 144                                         g_io_channel_shutdown(req->channel, TRUE, NULL);
 145                                         g_io_channel_unref(req->channel);
 146                                 }
 147                                 g_queue_pop_nth(g_request_queue, i);
 148
 149                                 SAFE_FREE(req->path);
 150                                 SAFE_FREE(req->userData);
 151                                 SAFE_FREE(req);
 152
 153                                 break;
 154                         }
 155                 }
 156                 if (i == req_len) {
 157 //                      thumb_dbg("There's no %s in the queue", path);
 158                 }
 159         }
 160
 161         return MS_MEDIA_ERR_NONE;
 162 }
 163
 164 int __media_thumb_pop_raw_data_req_queue(int request_id, bool shutdown_channel)
 165 {
 166         int req_len = 0, i;
 167
 168         if (g_request_queue == NULL) return MS_MEDIA_ERR_INVALID_PARAMETER;
 169         req_len = g_queue_get_length(g_request_queue);
 170
 171         if (req_len <= 0) {
 172 //              thumb_dbg("There is no request in the queue");
 173         } else {
 174
 175                 for (i = 0; i < req_len; i++) {
 176                         thumbRawReq *req = NULL;
 177                         req = (thumbRawReq *)g_queue_peek_nth(g_request_queue, i);
 178                         if (req == NULL) continue;
 179
 180                         if (request_id == req->request_id) {
 181                                 if (shutdown_channel) {
 182                                         GSource *source_id = g_main_context_find_source_by_id(g_main_context_get_thread_default(), req->source_id);
 183                                         if (source_id != NULL) {
 184                                                 g_source_destroy(source_id);
 185                                         } else {
 186                                                 thumb_err("G_SOURCE_ID is NULL");
 187                                         }
 188
 189                                         g_io_channel_shutdown(req->channel, TRUE, NULL);
 190                                         g_io_channel_unref(req->channel);
 191                                 }
 192                                 g_queue_pop_nth(g_request_queue, i);
 193
 194                                 SAFE_FREE(req->userData);
 195                                 SAFE_FREE(req);
 196
 197                                 break;
 198                         }
 199                 }
 200                 if (i == req_len) {
 201 //                      thumb_dbg("There's no %s in the queue", path);
 202                 }
 203         }
 204
 205         return MS_MEDIA_ERR_NONE;
 206 }
 207
 208 int __media_thumb_check_req_queue(const char *path)
 209 {
 210         int req_len = 0, i;
 211
 212         if (g_request_queue == NULL) return MS_MEDIA_ERR_NONE;
 213         req_len = g_queue_get_length(g_request_queue);
 214
 215 //      thumb_dbg("Queue length : %d", req_len);
 216 //      thumb_dbg("Queue path : %s", path);
 217
 218         if (req_len <= 0) {
 219 //              thumb_dbg("There is no request in the queue");
 220         } else {
 221
 222                 for (i = 0; i < req_len; i++) {
 223                         thumbReq *req = NULL;
 224                         req = (thumbReq *)g_queue_peek_nth(g_request_queue, i);
 225                         if (req == NULL) continue;
 226
 227                         if (strncmp(path, req->path, strlen(path)) == 0) {
 228                                 //thumb_dbg("Same Request - %s", path);
 229                                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 230
 231                                 break;
 232                         }
 233                 }
 234         }
 235
 236         return MS_MEDIA_ERR_NONE;
 237 }
 238
 239 int
 240 _media_thumb_recv_msg(int sock, int header_size, thumbMsg *msg)
 241 {
 242         int recv_msg_len = 0;
 243         int remain_size = 0;
 244         int block_size = THUMB_SOCK_BLOCK_SIZE;
 245         int recv_block = 0;
 246         unsigned char *buf = NULL;
 247         unsigned char *block_buf = NULL;
 248
 249         buf = (unsigned char*)malloc(header_size * sizeof(unsigned char));
 250         block_buf = (unsigned char*)malloc(THUMB_SOCK_BLOCK_SIZE * sizeof(unsigned char));
 251
 252         if (buf == NULL || block_buf == NULL) {
 253                 thumb_err("memory allocation failed");
 254                 SAFE_FREE(buf);
 255                 SAFE_FREE(block_buf);
 256                 return MS_MEDIA_ERR_OUT_OF_MEMORY;
 257         }
 258
 259         if ((recv_msg_len = recv(sock, buf, header_size, 0)) <= 0) {
 260                 thumb_stderror("recv failed");
 261                 SAFE_FREE(buf);
 262                 return _media_thumb_get_error();
 263         }
 264
 265         memcpy(msg, buf, header_size);
 266         //thumb_dbg("origin_path_size : %d, dest_path_size : %d, thumb_size : %d", msg->origin_path_size, msg->dest_path_size, msg->thumb_size);
 267
 268         SAFE_FREE(buf);
 269
 270         remain_size = msg->origin_path_size + msg->dest_path_size + msg->thumb_size + 2;
 271         buf = malloc(remain_size * sizeof(unsigned char));
 272         memset(buf, 0, remain_size * sizeof(unsigned char));
 273
 274         while(remain_size > 0) {
 275                 if(remain_size < THUMB_SOCK_BLOCK_SIZE) {
 276                         block_size = remain_size;
 277                 }
 278                 if ((recv_msg_len = recv(sock, block_buf, block_size, 0)) < 0) {
 279                         thumb_err("recv failed : %s", strerror(errno));
 280                         SAFE_FREE(buf);
 281                         SAFE_FREE(block_buf);
 282                         return _media_thumb_get_error();
 283                 }
 284                 memcpy(buf+recv_block, block_buf, block_size);
 285                 recv_block += block_size;
 286                 remain_size -= block_size;
 287         }
 288
 289         strncpy(msg->org_path, (char *)buf, msg->origin_path_size);
 290         strncpy(msg->dst_path, (char *)buf + msg->origin_path_size + 1, msg->dest_path_size);
 291         SAFE_FREE(msg->thumb_data);
 292         msg->thumb_data = malloc(msg->thumb_size);
 293         memset(msg->thumb_data, 0, msg->thumb_size);
 294         memcpy(msg->thumb_data, buf + msg->origin_path_size + msg->dest_path_size + 2, msg->thumb_size);
 295
 296         SAFE_FREE(buf);
 297         SAFE_FREE(block_buf);
 298
 299         return MS_MEDIA_ERR_NONE;
 300 }
 301
 302 int
 303 _media_thumb_recv_udp_msg(int sock, int header_size, thumbMsg *msg, struct sockaddr_un *from_addr, unsigned int *from_size)
 304 {
 305         int recv_msg_len = 0;
 306         unsigned int from_addr_size = sizeof(struct sockaddr_un);
 307         unsigned char *buf = NULL;
 308
 309         buf = (unsigned char*)malloc(sizeof(thumbMsg));
 310
 311         if ((recv_msg_len = recvfrom(sock, buf, sizeof(thumbMsg), 0, (struct sockaddr *)from_addr, &from_addr_size)) < 0) {
 312                 thumb_stderror("recvform failed");
 313                 SAFE_FREE(buf);
 314                 return _media_thumb_get_error();
 315         }
 316
 317         memcpy(msg, buf, header_size);
 318
 319         if (msg->origin_path_size <= 0  || msg->origin_path_size > MAX_PATH_SIZE) {
 320                 SAFE_FREE(buf);
 321                 thumb_err("msg->origin_path_size is invalid %d", msg->origin_path_size );
 322                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 323         }
 324
 325         strncpy(msg->org_path, (char*)buf + header_size, msg->origin_path_size);
 326         //thumb_dbg("original path : %s", msg->org_path);
 327
 328         if (msg->dest_path_size <= 0  || msg->dest_path_size > MAX_PATH_SIZE) {
 329                 SAFE_FREE(buf);
 330                 thumb_err("msg->origin_path_size is invalid %d", msg->dest_path_size );
 331                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 332         }
 333
 334         strncpy(msg->dst_path, (char*)buf + header_size + msg->origin_path_size, msg->dest_path_size);
 335         //thumb_dbg("destination path : %s", msg->dst_path);
 336
 337         SAFE_FREE(buf);
 338         *from_size = from_addr_size;
 339
 340         return MS_MEDIA_ERR_NONE;
 341 }
 342
 343 int
 344 _media_thumb_set_buffer(thumbMsg *req_msg, unsigned char **buf, int *buf_size)
 345 {
 346         if (req_msg == NULL || buf == NULL) {
 347                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 348         }
 349
 350         int org_path_len = 0;
 351         int dst_path_len = 0;
 352         int thumb_data_len = 0;
 353         int size = 0;
 354         int header_size = 0;
 355
 356         header_size = sizeof(thumbMsg) -(MAX_FILEPATH_LEN * 2) - sizeof(unsigned char *);
 357         org_path_len = req_msg->origin_path_size + 1;
 358         dst_path_len = req_msg->dest_path_size + 1;
 359         thumb_data_len = req_msg->thumb_size;
 360
 361         //thumb_dbg("Basic Size : %d, org_path : %s[%d], dst_path : %s[%d], thumb_data_len : %d", header_size, req_msg->org_path, org_path_len, req_msg->dst_path, dst_path_len, thumb_data_len);
 362
 363         size = header_size + org_path_len + dst_path_len + thumb_data_len;
 364         *buf = malloc(size);
 365
 366         if (*buf == NULL) {
 367                 *buf_size = 0;
 368                 return 0;
 369         }
 370         memcpy(*buf, req_msg, header_size);
 371         memcpy((*buf)+header_size, req_msg->org_path, org_path_len);
 372         memcpy((*buf)+header_size + org_path_len, req_msg->dst_path, dst_path_len);
 373         memcpy((*buf)+header_size + org_path_len + dst_path_len, req_msg->thumb_data, thumb_data_len);
 374
 375         *buf_size = size;
 376
 377         return MS_MEDIA_ERR_NONE;
 378 }
 379
 380 int
 381 _media_thumb_set_buffer_for_response(thumbMsg *req_msg, unsigned char **buf, int *buf_size)
 382 {
 383         if (req_msg == NULL || buf == NULL) {
 384                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 385         }
 386
 387         int org_path_len = 0;
 388         int dst_path_len = 0;
 389         int thumb_data_len = 0;
 390         int size = 0;
 391         int header_size = 0;
 392
 393         header_size = sizeof(thumbMsg) -(MAX_FILEPATH_LEN * 2) - sizeof(unsigned char *);
 394         org_path_len = req_msg->origin_path_size + 1;
 395         dst_path_len = req_msg->dest_path_size + 1;
 396         thumb_data_len = 1;
 397
 398         thumb_dbg("Basic Size : %d, org_path : %s[%d], dst_path : %s[%d], thumb_data_len : %d", header_size, req_msg->org_path, org_path_len, req_msg->dst_path, dst_path_len, thumb_data_len);
 399
 400         size = header_size + org_path_len + dst_path_len + thumb_data_len;
 401         *buf = malloc(size);
 402
 403         if (*buf == NULL) {
 404                 *buf_size = 0;
 405                 return 0;
 406         }
 407         memcpy(*buf, req_msg, header_size);
 408         memcpy((*buf)+header_size, req_msg->org_path, org_path_len);
 409         memcpy((*buf)+header_size + org_path_len, req_msg->dst_path, dst_path_len);
 410         memcpy((*buf)+header_size + org_path_len + dst_path_len, req_msg->thumb_data, thumb_data_len);
 411
 412         *buf_size = size;
 413
 414         return MS_MEDIA_ERR_NONE;
 415 }
 416
 417
 418 int
 419 _media_thumb_set_add_raw_data_buffer(thumbRawAddMsg *req_msg, unsigned char **buf, int *buf_size)
 420 {
 421         if (req_msg == NULL || buf == NULL) {
 422                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 423         }
 424         int thumb_len = 0;
 425         int size = 0;
 426         int header_size = 0;
 427
 428         header_size = sizeof(thumbRawAddMsg);
 429         thumb_len = req_msg->thumb_size;
 430
 431         size = header_size + thumb_len;
 432         *buf = malloc(size);
 433         memcpy(*buf, req_msg, header_size);
 434         memcpy((*buf)+header_size, req_msg->thumb_data, thumb_len);
 435
 436         *buf_size = size;
 437
 438         return MS_MEDIA_ERR_NONE;
 439 }
 440
 441 int
 442 _media_thumb_request(int msg_type, media_thumb_type thumb_type, const char *origin_path, char *thumb_path, int max_length, media_thumb_info *thumb_info, uid_t uid)
 443 {
 444         int sock;
 445         struct sockaddr_un serv_addr;
 446         int recv_str_len = 0;
 447         int err = MS_MEDIA_ERR_NONE;
 448         int pid;
 449
 450         if (ms_ipc_create_client_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock, MS_THUMB_CREATOR_PORT) < 0) {
 451                 thumb_err("ms_ipc_create_client_socket failed");
 452                 return MS_MEDIA_ERR_SOCKET_CONN;
 453         }
 454
 455         memset(&serv_addr, 0, sizeof(serv_addr));
 456         serv_addr.sun_family = AF_UNIX;
 457         strcpy(serv_addr.sun_path, "/var/run/media-server/media_ipc_thumbcreator.socket");
 458
 459         /* Connecting to the thumbnail server */
 460         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 461                 thumb_stderror("connect");
 462                 return MS_MEDIA_ERR_SOCKET_CONN;
 463         }
 464
 465         thumbMsg req_msg;
 466         thumbMsg recv_msg;
 467
 468         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 469         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 470
 471         /* Get PID of client*/
 472         pid = getpid();
 473         req_msg.pid = pid;
 474
 475         /* Set requset message */
 476         req_msg.msg_type = msg_type;
 477         req_msg.thumb_type = thumb_type;
 478         req_msg.uid = uid;
 479         strncpy(req_msg.org_path, origin_path, sizeof(req_msg.org_path));
 480         req_msg.org_path[strlen(req_msg.org_path)] = '\0';
 481
 482         if (msg_type == THUMB_REQUEST_SAVE_FILE) {
 483                 strncpy(req_msg.dst_path, thumb_path, sizeof(req_msg.dst_path));
 484                 req_msg.dst_path[strlen(req_msg.dst_path)] = '\0';
 485         }
 486
 487         req_msg.thumb_data = (unsigned char *) "\0";
 488
 489         req_msg.origin_path_size = strlen(req_msg.org_path) + 1;
 490         req_msg.dest_path_size = strlen(req_msg.dst_path) + 1;
 491         req_msg.thumb_size = 1;
 492
 493         if (req_msg.origin_path_size > MAX_PATH_SIZE || req_msg.dest_path_size > MAX_PATH_SIZE) {
 494                 thumb_err("path's length exceeds %d", MAX_PATH_SIZE);
 495                 close(sock);
 496                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 497         }
 498
 499         unsigned char *buf = NULL;
 500         int buf_size = 0;
 501         int header_size = 0;
 502
 503         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2 - sizeof(unsigned char *);
 504         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 505
 506         if (send(sock, buf, buf_size, 0) != buf_size) {
 507                 thumb_err("sendto failed: %d", errno);
 508                 SAFE_FREE(buf);
 509                 close(sock);
 510                 return MS_MEDIA_ERR_SOCKET_SEND;
 511         }
 512
 513         thumb_dbg("Sending msg to thumbnail daemon is successful");
 514
 515         SAFE_FREE(buf);
 516
 517         if(msg_type != THUMB_REQUEST_CANCEL_ALL_RAW_DATA && msg_type != THUMB_REQUEST_CANCEL_ALL) {             //No response..
 518                 if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 519                         thumb_err("_media_thumb_recv_msg failed ");
 520                         close(sock);
 521                         return err;
 522                 }
 523
 524                 recv_str_len = strlen(recv_msg.org_path);
 525                 thumb_dbg_slog("recv %s(%d) from thumb daemon is successful", recv_msg.org_path, recv_str_len);
 526
 527                 close(sock);
 528
 529                 if (recv_str_len > max_length) {
 530                         thumb_err("user buffer is too small. Output's length is %d", recv_str_len);
 531                         return MS_MEDIA_ERR_INVALID_PARAMETER;
 532                 }
 533
 534                 if (recv_msg.status == THUMB_FAIL) {
 535                         thumb_err("Failed to make thumbnail");
 536                         return MS_MEDIA_ERR_INVALID_PARAMETER;
 537                 }
 538
 539                 if (msg_type != THUMB_REQUEST_SAVE_FILE) {
 540                         strncpy(thumb_path, recv_msg.dst_path, max_length);
 541                 }
 542
 543                 thumb_info->origin_width = recv_msg.origin_width;
 544                 thumb_info->origin_height = recv_msg.origin_height;
 545         }else {
 546                 thumb_dbg("No response msg_type:[%d]", msg_type);
 547         }
 548         return MS_MEDIA_ERR_NONE;
 549 }
 550
 551 static int _mkdir(const char *dir, mode_t mode) {
 552         char tmp[256];
 553         char *p = NULL;
 554         size_t len;
 555
 556         snprintf(tmp, sizeof(tmp),"%s",dir);
 557         len = strlen(tmp);
 558         if(tmp[len - 1] == '/')
 559                 tmp[len - 1] = 0;
 560         for(p = tmp + 1; *p; p++)
 561                 if(*p == '/') {
 562                         *p = 0;
 563                         mkdir(tmp, mode);
 564                         *p = '/';
 565                 }
 566         return mkdir(tmp, mode);
 567 }
 568
 569 static char* _media_thumb_get_default_path(uid_t uid)
 570 {
 571         char *result_psswd = NULL;
 572         struct group *grpinfo = NULL;
 573         if(uid == getuid())
 574         {
 575                 result_psswd = strdup(THUMB_DEFAULT_PATH);
 576                 grpinfo = getgrnam("users");
 577                 if(grpinfo == NULL) {
 578                         thumb_err("getgrnam(users) returns NULL !");
 579                         return NULL;
 580                 }
 581         }
 582         else
 583         {
 584                 struct passwd *userinfo = getpwuid(uid);
 585                 if(userinfo == NULL) {
 586                         thumb_err("getpwuid(%d) returns NULL !", uid);
 587                         return NULL;
 588                 }
 589                 grpinfo = getgrnam("users");
 590                 if(grpinfo == NULL) {
 591                         thumb_err("getgrnam(users) returns NULL !");
 592                         return NULL;
 593                 }
 594                 // Compare git_t type and not group name
 595                 if (grpinfo->gr_gid != userinfo->pw_gid) {
 596                         thumb_err("UID [%d] does not belong to 'users' group!", uid);
 597                         return NULL;
 598                 }
 599                 asprintf(&result_psswd, "%s/data/file-manager-service/.thumb/phone", userinfo->pw_dir);
 600         }
 601
 602         /* create dir */
 603         _mkdir(result_psswd,S_IRWXU | S_IRWXG | S_IRWXO);
 604
 605         return result_psswd;
 606 }
 607
 608 int _media_thumb_process(thumbMsg *req_msg, thumbMsg *res_msg, uid_t uid)
 609 {
 610         int err = -1;
 611         GdkPixbuf *gdkdata = NULL;
 612         int thumb_size = 0;
 613         int thumb_w = 0;
 614         int thumb_h = 0;
 615         int origin_w = 0;
 616         int origin_h = 0;
 617         int max_length = 0;
 618         char *thumb_path = NULL;
 619         int need_update_db = 0;
 620         int alpha = 0;
 621
 622         if (req_msg == NULL || res_msg == NULL) {
 623                 thumb_err("Invalid msg!");
 624                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 625         }
 626
 627         int msg_type = req_msg->msg_type;
 628         media_thumb_type thumb_type = req_msg->thumb_type;
 629         const char *origin_path = req_msg->org_path;
 630
 631         // Currently, The color space that is supported by the gdk-pixbuf is only RGB.
 632         media_thumb_format thumb_format = MEDIA_THUMB_RGB888;
 633
 634         thumb_path = res_msg->dst_path;
 635         thumb_path[0] = '\0';
 636         max_length = sizeof(res_msg->dst_path);
 637
 638         err = _media_thumb_db_connect(uid);
 639         if (err != MS_MEDIA_ERR_NONE) {
 640                 thumb_err("_media_thumb_mb_svc_connect failed: %d", err);
 641                 return MS_MEDIA_ERR_DB_CONNECT_FAIL;
 642         }
 643
 644         if (msg_type == THUMB_REQUEST_DB_INSERT) {
 645                 err = _media_thumb_get_thumb_from_db_with_size(origin_path, thumb_path, max_length, &need_update_db, &origin_w, &origin_h);
 646                 if (err == MS_MEDIA_ERR_NONE) {
 647                         res_msg->origin_width = origin_w;
 648                         res_msg->origin_height = origin_h;
 649                         _media_thumb_db_disconnect();
 650                         return MS_MEDIA_ERR_NONE;
 651                 } else {
 652                         if (strlen(thumb_path) == 0) {
 653                                 err = _media_thumb_get_hash_name(origin_path, thumb_path, max_length,uid);
 654                                 if (err != MS_MEDIA_ERR_NONE) {
 655                                         thumb_err("_media_thumb_get_hash_name failed - %d\n", err);
 656                                         strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 657                                         _media_thumb_db_disconnect();
 658                                         return err;
 659                                 }
 660
 661                                 thumb_path[strlen(thumb_path)] = '\0';
 662                         }
 663                 }
 664
 665         } else if (msg_type == THUMB_REQUEST_SAVE_FILE) {
 666                 strncpy(thumb_path, req_msg->dst_path, max_length);
 667
 668         } else if (msg_type == THUMB_REQUEST_ALL_MEDIA) {
 669                 err = _media_thumb_get_hash_name(origin_path, thumb_path, max_length,uid);
 670                 if (err < 0) {
 671                         thumb_err("_media_thumb_get_hash_name failed - %d\n", err);
 672                         strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 673                         _media_thumb_db_disconnect();
 674                         return err;
 675                 }
 676
 677                 thumb_path[strlen(thumb_path)] = '\0';
 678         }
 679
 680         if (g_file_test(thumb_path,
 681                                         G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
 682                 thumb_warn("thumb path already exists in file system.. remove the existed file");
 683                 _media_thumb_remove_file(thumb_path);
 684         }
 685
 686         err = _thumbnail_get_data(origin_path, thumb_type, thumb_format, &gdkdata, &thumb_size, &thumb_w, &thumb_h, &origin_w, &origin_h, &alpha, uid);
 687         if (err != MS_MEDIA_ERR_NONE) {
 688                 thumb_err("_thumbnail_get_data failed - %d\n", err);
 689                 if ( gdkdata != NULL ){
 690                         g_object_unref(gdkdata);
 691                 }
 692                 strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 693                 _media_thumb_db_disconnect();
 694                 return err;
 695         }
 696
 697         //thumb_dbg("Size : %d, W:%d, H:%d", thumb_size, thumb_w, thumb_h);
 698         //thumb_dbg("Origin W:%d, Origin H:%d\n", origin_w, origin_h);
 699         //thumb_dbg("Thumb : %s", thumb_path);
 700
 701         res_msg->msg_type = THUMB_RESPONSE;
 702         res_msg->thumb_size = thumb_size;
 703         res_msg->thumb_width = thumb_w;
 704         res_msg->thumb_height = thumb_h;
 705         res_msg->origin_width = origin_w;
 706         res_msg->origin_height = origin_h;
 707
 708         /* If the image is transparent PNG format, make png file as thumbnail of this image */
 709         if (alpha) {
 710                 char file_ext[10];
 711                 err = _media_thumb_get_file_ext(origin_path, file_ext, sizeof(file_ext));
 712                 if (strncasecmp(file_ext, "png", 3) == 0) {
 713                         int len = strlen(thumb_path);
 714                         thumb_path[len - 3] = 'p';
 715                         thumb_path[len - 2] = 'n';
 716                         thumb_path[len - 1] = 'g';
 717                 }
 718                 thumb_dbg("Thumb path is changed : %s", thumb_path);
 719         }
 720
 721         err = _media_thumb_save_to_file_with_gdk(gdkdata, thumb_w, thumb_h, alpha, thumb_path);
 722         if (err < 0) {
 723                 thumb_err("save_to_file_with_gdk failed - %d\n", err);
 724                 if ( gdkdata != NULL ){
 725                         g_object_unref(gdkdata);
 726                 }
 727
 728                 if (msg_type == THUMB_REQUEST_DB_INSERT || msg_type == THUMB_REQUEST_ALL_MEDIA)
 729                         strncpy(thumb_path, _media_thumb_get_default_path(uid), max_length);
 730
 731                 _media_thumb_db_disconnect();
 732                 return err;
 733         } else {
 734                 thumb_dbg("file save success\n");
 735         }
 736
 737         /* fsync */
 738         int fd = 0;
 739         fd = open(thumb_path, O_WRONLY);
 740         if (fd < 0) {
 741                 thumb_warn("open failed");
 742         } else {
 743                 err = fsync(fd);
 744                 if (err == -1) {
 745                         thumb_warn("fsync failed");
 746                 }
 747                 close(fd);
 748         }
 749         /* End of fsync */
 750
 751         g_object_unref(gdkdata);
 752
 753         /* DB update if needed */
 754         if (need_update_db == 1) {
 755                 err = _media_thumb_update_db(origin_path, thumb_path, res_msg->origin_width, res_msg->origin_height, uid);
 756                 if (err != MS_MEDIA_ERR_NONE) {
 757                         thumb_err("_media_thumb_update_db failed : %d", err);
 758                 }
 759         }
 760
 761         _media_thumb_db_disconnect();
 762
 763         return MS_MEDIA_ERR_NONE;
 764 }
 765
 766 int
 767 _media_thumb_process_raw(thumbMsg *req_msg, thumbMsg *res_msg, thumbRawAddMsg *res_raw_msg, uid_t uid)
 768 {
 769         int err = MS_MEDIA_ERR_NONE;
 770         unsigned char *data = NULL;
 771         int thumb_size = 0;
 772         int thumb_w = 0;
 773         int thumb_h = 0;
 774
 775         if (req_msg == NULL || res_msg == NULL) {
 776                 thumb_err("Invalid msg!");
 777                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 778         }
 779
 780         const char *origin_path = req_msg->org_path;
 781
 782         media_thumb_format thumb_format = MEDIA_THUMB_BGRA;
 783         thumb_w = req_msg->thumb_width;
 784         thumb_h = req_msg->thumb_height;
 785
 786         //thumb_dbg("origin_path : %s, thumb_w : %d, thumb_h : %d ", origin_path, thumb_w, thumb_h);
 787
 788         if (!g_file_test(origin_path, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
 789                 thumb_err("origin_path does not exist in file system.");
 790                 return MS_MEDIA_ERR_FILE_NOT_EXIST;
 791         }
 792
 793         err = _thumbnail_get_raw_data(origin_path, thumb_format, &data, &thumb_size, &thumb_w, &thumb_h, uid);
 794
 795         if (err != MS_MEDIA_ERR_NONE) {
 796                 thumb_err("_thumbnail_get_data failed - %d", err);
 797                 SAFE_FREE(data);
 798         }
 799
 800         res_msg->msg_type = THUMB_RESPONSE_RAW_DATA;
 801         res_msg->thumb_width = thumb_w;
 802         res_msg->thumb_height = thumb_h;
 803         res_raw_msg->thumb_size = thumb_size;
 804         res_raw_msg->thumb_data = malloc(thumb_size * sizeof(unsigned char));
 805         memcpy(res_raw_msg->thumb_data, data, thumb_size);
 806         res_msg->thumb_size = thumb_size + sizeof(thumbRawAddMsg) - sizeof(unsigned char*);
 807
 808         //thumb_dbg("Size : %d, W:%d, H:%d", thumb_size, thumb_w, thumb_h);
 809
 810         return MS_MEDIA_ERR_NONE;
 811 }
 812
 813 gboolean _media_thumb_write_socket(GIOChannel *src, GIOCondition condition, gpointer data)
 814 {
 815         thumbMsg recv_msg;
 816         int header_size = 0;
 817         int sock = 0;
 818         int err = MS_MEDIA_ERR_NONE;
 819
 820         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 821         sock = g_io_channel_unix_get_fd(src);
 822
 823         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2 - sizeof(unsigned char *);
 824
 825         thumb_err("_media_thumb_write_socket socket : %d", sock);
 826
 827         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 828                 thumb_err("_media_thumb_recv_msg failed ");
 829                 if (recv_msg.origin_path_size > 0) {
 830                         __media_thumb_pop_req_queue(recv_msg.org_path, TRUE);
 831                 } else {
 832                         thumb_err("origin path size is wrong.");
 833                 }
 834
 835                 return FALSE;
 836         }
 837
 838         g_io_channel_shutdown(src, TRUE, NULL);
 839         g_io_channel_unref(src);
 840         //thumb_dbg("Completed..%s", recv_msg.org_path);
 841
 842         if (recv_msg.status == THUMB_FAIL) {
 843                 thumb_err("Failed to make thumbnail");
 844                 err = MS_MEDIA_ERR_INTERNAL;
 845         }
 846
 847         if (data) {
 848                 thumbUserData* cb = (thumbUserData*)data;
 849                 if (cb->func != NULL)
 850                         cb->func(err, recv_msg.dst_path, cb->user_data);
 851         }
 852
 853         __media_thumb_pop_req_queue(recv_msg.org_path, FALSE);
 854
 855         thumb_dbg("Done");
 856         return FALSE;
 857 }
 858
 859 gboolean _media_thumb_raw_data_write_socket(GIOChannel *src, GIOCondition condition, gpointer data)
 860 {
 861         thumbMsg recv_msg;
 862         int header_size = 0;
 863         int sock = 0;
 864         int err = MS_MEDIA_ERR_NONE;
 865
 866         memset((void *)&recv_msg, 0, sizeof(thumbMsg));
 867         sock = g_io_channel_unix_get_fd(src);
 868
 869         header_size = sizeof(thumbMsg) - MAX_PATH_SIZE*2 - sizeof(unsigned char *);
 870
 871         thumb_err("_media_thumb_write_socket socket : %d", sock);
 872
 873         if ((err = _media_thumb_recv_msg(sock, header_size, &recv_msg)) < 0) {
 874                 thumb_err("_media_thumb_recv_msg failed ");
 875                 if (recv_msg.request_id > 0) {
 876                         __media_thumb_pop_raw_data_req_queue(recv_msg.request_id, TRUE);
 877                 } else {
 878                         thumb_err("origin path size is wrong.");
 879                 }
 880
 881                 return FALSE;
 882         }
 883
 884         g_io_channel_shutdown(src, TRUE, NULL);
 885         g_io_channel_unref(src);
 886
 887         if (recv_msg.status == THUMB_FAIL) {
 888                 thumb_err("Failed to make thumbnail");
 889                 err = MS_MEDIA_ERR_INTERNAL;
 890         }
 891
 892         if (data) {
 893                 thumbRawUserData* cb = (thumbRawUserData*)data;
 894                 if (cb->func != NULL)
 895                         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);
 896         }
 897
 898         __media_thumb_pop_raw_data_req_queue(recv_msg.request_id, FALSE);
 899
 900         thumb_dbg("Done");
 901
 902         SAFE_FREE(recv_msg.thumb_data);
 903
 904         return FALSE;
 905 }
 906
 907 int _media_thumb_request_async(int msg_type, media_thumb_type thumb_type, const char *origin_path, thumbUserData *userData, uid_t uid)
 908 {
 909         int sock;
 910         struct sockaddr_un serv_addr;
 911         int pid;
 912
 913         if ((msg_type == THUMB_REQUEST_DB_INSERT) && (__media_thumb_check_req_queue(origin_path) < 0)) {
 914                 return MS_MEDIA_ERR_THUMB_DUPLICATED_REQUEST;
 915         }
 916
 917         if (ms_ipc_create_client_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock, MS_THUMB_CREATOR_PORT) < 0) {
 918                 thumb_err("ms_ipc_create_client_socket failed");
 919                 return MS_MEDIA_ERR_SOCKET_CONN;
 920         }
 921         GIOChannel *channel = NULL;
 922         channel = g_io_channel_unix_new(sock);
 923         int source_id = -1;
 924
 925
 926         memset(&serv_addr, 0, sizeof(serv_addr));
 927         serv_addr.sun_family = AF_UNIX;
 928
 929         strcpy(serv_addr.sun_path, "/var/run/media-server/media_ipc_thumbcreator.socket");
 930
 931         /* Connecting to the thumbnail server */
 932         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
 933                 thumb_err("connect error : %s", strerror(errno));
 934                 g_io_channel_shutdown(channel, TRUE, NULL);
 935                 g_io_channel_unref(channel);
 936                 return MS_MEDIA_ERR_SOCKET_CONN;
 937         }
 938
 939         if (msg_type != THUMB_REQUEST_CANCEL_MEDIA) {
 940                 //source_id = g_io_add_watch(channel, G_IO_IN, _media_thumb_write_socket, userData );
 941
 942                 /* Create new channel to watch udp socket */
 943                 GSource *source = NULL;
 944                 source = g_io_create_watch(channel, G_IO_IN);
 945
 946                 /* Set callback to be called when socket is readable */
 947                 g_source_set_callback(source, (GSourceFunc)_media_thumb_write_socket, userData, NULL);
 948                 source_id = g_source_attach(source, g_main_context_get_thread_default());
 949         }
 950
 951         thumbMsg req_msg;
 952         memset((void *)&req_msg, 0, sizeof(thumbMsg));
 953
 954         pid = getpid();
 955         req_msg.pid = pid;
 956         req_msg.msg_type = msg_type;
 957         req_msg.thumb_type = thumb_type;
 958         req_msg.uid = uid;
 959
 960         strncpy(req_msg.org_path, origin_path, sizeof(req_msg.org_path));
 961         req_msg.org_path[strlen(req_msg.org_path)] = '\0';
 962         req_msg.dst_path[0] = '\0';
 963         req_msg.thumb_data = (unsigned char *)"\0";
 964
 965         req_msg.origin_path_size = strlen(req_msg.org_path);
 966         req_msg.dest_path_size = 1;
 967         req_msg.thumb_size = 1;
 968
 969         if (req_msg.origin_path_size > MAX_PATH_SIZE || req_msg.dest_path_size > MAX_PATH_SIZE) {
 970                 thumb_err("path's length exceeds %d", MAX_PATH_SIZE);
 971                 g_io_channel_shutdown(channel, TRUE, NULL);
 972                 g_io_channel_unref(channel);
 973                 return MS_MEDIA_ERR_INVALID_PARAMETER;
 974         }
 975
 976         unsigned char *buf = NULL;
 977         int buf_size = 0;
 978         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
 979
 980         if (send(sock, buf, buf_size, 0) != buf_size) {
 981                 thumb_err("sendto failed: %d", errno);
 982                 SAFE_FREE(buf);
 983                 g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), source_id));
 984                 g_io_channel_shutdown(channel, TRUE, NULL);
 985                 g_io_channel_unref(channel);
 986                 return MS_MEDIA_ERR_SOCKET_SEND;
 987         }
 988
 989         SAFE_FREE(buf);
 990         thumb_dbg("Sending msg to thumbnail daemon is successful");
 991
 992         if (msg_type == THUMB_REQUEST_CANCEL_MEDIA) {
 993                 g_io_channel_shutdown(channel, TRUE, NULL);
 994
 995                 //thumb_dbg("Cancel : %s[%d]", origin_path, sock);
 996                 __media_thumb_pop_req_queue(origin_path, TRUE);
 997         } else if (msg_type == THUMB_REQUEST_DB_INSERT) {
 998                 if (g_request_queue == NULL) {
 999                         g_request_queue = g_queue_new();
1000                 }
1001
1002                 thumbReq *thumb_req = NULL;
1003                 thumb_req = calloc(1, sizeof(thumbReq));
1004                 if (thumb_req == NULL) {
1005                         thumb_err("Failed to create request element");
1006                         return MS_MEDIA_ERR_INVALID_PARAMETER;
1007                 }
1008
1009                 thumb_req->channel = channel;
1010                 thumb_req->path = strdup(origin_path);
1011                 thumb_req->source_id = source_id;
1012                 thumb_req->userData = userData;
1013
1014                 g_queue_push_tail(g_request_queue, (gpointer)thumb_req);
1015         }
1016
1017         return MS_MEDIA_ERR_NONE;
1018 }
1019
1020 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)
1021 {
1022         int sock;
1023         struct sockaddr_un serv_addr;
1024         int pid;
1025
1026         if (ms_ipc_create_client_socket(MS_PROTOCOL_TCP, MS_TIMEOUT_SEC_10, &sock, MS_THUMB_CREATOR_PORT) < 0) {
1027                 thumb_err("ms_ipc_create_client_socket failed");
1028                 return MS_MEDIA_ERR_SOCKET_CONN;
1029         }
1030         GIOChannel *channel = NULL;
1031         channel = g_io_channel_unix_new(sock);
1032         int source_id = -1;
1033
1034
1035         memset(&serv_addr, 0, sizeof(serv_addr));
1036         serv_addr.sun_family = AF_UNIX;
1037
1038         strcpy(serv_addr.sun_path, "/var/run/media-server/media_ipc_thumbcreator.socket");
1039
1040         /* Connecting to the thumbnail server */
1041         if (connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
1042                 thumb_err("connect error : %s", strerror(errno));
1043                 g_io_channel_shutdown(channel, TRUE, NULL);
1044                 g_io_channel_unref(channel);
1045                 return MS_MEDIA_ERR_SOCKET_CONN;
1046         }
1047
1048         if (msg_type != THUMB_REQUEST_CANCEL_RAW_DATA) {
1049                 /* Create new channel to watch udp socket */
1050                 GSource *source = NULL;
1051                 source = g_io_create_watch(channel, G_IO_IN);
1052
1053                 /* Set callback to be called when socket is readable */
1054                 /*NEED UPDATE SOCKET FILE DELETE*/
1055                 g_source_set_callback(source, (GSourceFunc)_media_thumb_raw_data_write_socket, userData, NULL);
1056                 source_id = g_source_attach(source, g_main_context_get_thread_default());
1057         }
1058
1059         thumbMsg req_msg;
1060         memset((void *)&req_msg, 0, sizeof(thumbMsg));
1061
1062         pid = getpid();
1063         req_msg.pid = pid;
1064         req_msg.msg_type = msg_type;
1065         req_msg.thumb_type = MEDIA_THUMB_LARGE;
1066         req_msg.request_id = request_id;
1067         req_msg.thumb_width = width;
1068         req_msg.thumb_height = height;
1069         req_msg.uid = uid;
1070
1071         strncpy(req_msg.org_path, origin_path, sizeof(req_msg.org_path));
1072         req_msg.org_path[strlen(req_msg.org_path)] = '\0';
1073         req_msg.dst_path[0] = '\0';
1074         req_msg.thumb_data = (unsigned char *)"\0";
1075
1076         req_msg.origin_path_size = strlen(req_msg.org_path);
1077         req_msg.dest_path_size = 1;
1078         req_msg.thumb_size = 1;
1079
1080         if (req_msg.origin_path_size > MAX_PATH_SIZE) {
1081                 thumb_err("path's length exceeds %d", MAX_PATH_SIZE);
1082                 g_io_channel_shutdown(channel, TRUE, NULL);
1083                 g_io_channel_unref(channel);
1084                 return MS_MEDIA_ERR_INVALID_PARAMETER;
1085         }
1086
1087         unsigned char *buf = NULL;
1088         int buf_size = 0;
1089         _media_thumb_set_buffer(&req_msg, &buf, &buf_size);
1090
1091         if (send(sock, buf, buf_size, 0) != buf_size) {
1092                 thumb_err("sendto failed: %d", errno);
1093                 SAFE_FREE(buf);
1094                 g_source_destroy(g_main_context_find_source_by_id(g_main_context_get_thread_default(), source_id));
1095                 g_io_channel_shutdown(channel, TRUE, NULL);
1096                 g_io_channel_unref(channel);
1097                 return MS_MEDIA_ERR_SOCKET_SEND;
1098         }
1099
1100         SAFE_FREE(buf);
1101         thumb_dbg("Sending msg to thumbnail daemon is successful");
1102
1103         if (msg_type == THUMB_REQUEST_CANCEL_RAW_DATA) {
1104                 g_io_channel_shutdown(channel, TRUE, NULL);
1105                 __media_thumb_pop_raw_data_req_queue(request_id, TRUE);
1106         } else if (msg_type == THUMB_REQUEST_RAW_DATA) {
1107                 if (g_request_queue == NULL) {
1108                         g_request_queue = g_queue_new();
1109                 }
1110                 thumbRawReq *thumb_req = NULL;
1111                 thumb_req = calloc(1, sizeof(thumbReq));
1112                 if (thumb_req == NULL) {
1113                         thumb_err("Failed to create request element");
1114                         return MS_MEDIA_ERR_INVALID_PARAMETER;
1115                 }
1116                 thumb_req->channel = channel;
1117                 thumb_req->request_id = request_id;
1118                 thumb_req->source_id = source_id;
1119                 thumb_req->userData = userData;
1120
1121                 g_queue_push_tail(g_request_queue, (gpointer)thumb_req);
1122         }
1123         return MS_MEDIA_ERR_NONE;
1124 }