src/remote.c

   1 /*
   2  * Geeqie
   3  * (C) 2004 John Ellis
   4  * Copyright (C) 2008 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "remote.h"
  16
  17 #include "collect.h"
  18 #include "debug.h"
  19 #include "filedata.h"
  20 #include "img-view.h"
  21 #include "layout.h"
  22 #include "layout_image.h"
  23 #include "slideshow.h"
  24 #include "ui_fileops.h"
  25
  26 #include <sys/types.h>
  27 #include <sys/socket.h>
  28 #include <sys/un.h>
  29 #include <signal.h>
  30 #include <errno.h>
  31
  32
  33 #define SERVER_MAX_CLIENTS 8
  34
  35 #define REMOTE_SERVER_BACKLOG 4
  36
  37
  38 #ifndef UNIX_PATH_MAX
  39 #define UNIX_PATH_MAX 108
  40 #endif
  41
  42
  43 static RemoteConnection *remote_client_open(const gchar *path);
  44 static gint remote_client_send(RemoteConnection *rc, const gchar *text);
  45
  46
  47 typedef struct _RemoteClient RemoteClient;
  48 struct _RemoteClient {
  49         gint fd;
  50         gint channel_id;
  51         RemoteConnection *rc;
  52 };
  53
  54 typedef struct _RemoteData RemoteData;
  55 struct _RemoteData {
  56         CollectionData *command_collection;
  57 };
  58
  59
  60 static gboolean remote_server_client_cb(GIOChannel *source, GIOCondition condition, gpointer data)
  61 {
  62         RemoteClient *client = data;
  63         RemoteConnection *rc;
  64
  65         rc = client->rc;
  66
  67         if (condition & G_IO_IN)
  68                 {
  69                 GList *queue = NULL;
  70                 GList *work;
  71                 gchar *buffer = NULL;
  72                 GError *error = NULL;
  73                 guint termpos;
  74
  75                 while (g_io_channel_read_line(source, &buffer, NULL, &termpos, &error) == G_IO_STATUS_NORMAL)
  76                         {
  77                         if (buffer)
  78                                 {
  79                                 buffer[termpos] = '\0';
  80
  81                                 if (strlen(buffer) > 0)
  82                                         {
  83                                         queue = g_list_append(queue, buffer);
  84                                         }
  85                                 else
  86                                         {
  87                                         g_free(buffer);
  88                                         }
  89
  90                                 buffer = NULL;
  91                                 }
  92                         }
  93
  94                 if (error)
  95                         {
  96                         printf("error reading socket: %s\n", error->message);
  97                         g_error_free(error);
  98                         }
  99
 100                 work = queue;
 101                 while (work)
 102                         {
 103                         gchar *command = work->data;
 104                         work = work->next;
 105
 106                         if (rc->read_func) rc->read_func(rc, command, rc->read_data);
 107                         g_free(command);
 108                         }
 109
 110                 g_list_free(queue);
 111                 }
 112
 113         if (condition & G_IO_HUP)
 114                 {
 115                 rc->clients = g_list_remove(rc->clients, client);
 116
 117                 DEBUG_1("HUP detected, closing client.");
 118                 DEBUG_1("client count %d", g_list_length(rc->clients));
 119
 120                 g_source_remove(client->channel_id);
 121                 close(client->fd);
 122                 g_free(client);
 123                 }
 124
 125         return TRUE;
 126 }
 127
 128 static void remote_server_client_add(RemoteConnection *rc, int fd)
 129 {
 130         RemoteClient *client;
 131         GIOChannel *channel;
 132
 133         if (g_list_length(rc->clients) > SERVER_MAX_CLIENTS)
 134                 {
 135                 printf("maximum remote clients of %d exceeded, closing connection\n", SERVER_MAX_CLIENTS);
 136                 close(fd);
 137                 return;
 138                 }
 139
 140         client = g_new0(RemoteClient, 1);
 141         client->rc = rc;
 142         client->fd = fd;
 143
 144         channel = g_io_channel_unix_new(fd);
 145         client->channel_id = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, G_IO_IN | G_IO_HUP,
 146                                                  remote_server_client_cb, client, NULL);
 147         g_io_channel_unref(channel);
 148
 149         rc->clients = g_list_append(rc->clients, client);
 150         DEBUG_1("client count %d", g_list_length(rc->clients));
 151 }
 152
 153 static void remote_server_clients_close(RemoteConnection *rc)
 154 {
 155         while (rc->clients)
 156                 {
 157                 RemoteClient *client = rc->clients->data;
 158
 159                 rc->clients = g_list_remove(rc->clients, client);
 160
 161                 g_source_remove(client->channel_id);
 162                 close(client->fd);
 163                 g_free(client);
 164                 }
 165 }
 166
 167 static gboolean remote_server_read_cb(GIOChannel *source, GIOCondition condition, gpointer data)
 168 {
 169         RemoteConnection *rc = data;
 170         int fd;
 171         unsigned int alen;
 172
 173         fd = accept(rc->fd, NULL, &alen);
 174         if (fd == -1)
 175                 {
 176                 printf("error accepting socket: %s\n", strerror(errno));
 177                 return TRUE;
 178                 }
 179
 180         remote_server_client_add(rc, fd);
 181
 182         return TRUE;
 183 }
 184
 185 static gint remote_server_exists(const gchar *path)
 186 {
 187         RemoteConnection *rc;
 188
 189         /* verify server up */
 190         rc = remote_client_open(path);
 191         remote_close(rc);
 192
 193         if (rc) return TRUE;
 194
 195         /* unable to connect, remove socket file to free up address */
 196         unlink(path);
 197         return FALSE;
 198 }
 199
 200 static RemoteConnection *remote_server_open(const gchar *path)
 201 {
 202         RemoteConnection *rc;
 203         struct sockaddr_un addr;
 204         gint sun_path_len;
 205         int fd;
 206         GIOChannel *channel;
 207
 208         if (remote_server_exists(path))
 209                 {
 210                 printf("Address already in use: %s\n", path);
 211                 return NULL;
 212                 }
 213
 214         fd = socket(PF_UNIX, SOCK_STREAM, 0);
 215         if (fd == -1) return NULL;
 216
 217         addr.sun_family = AF_UNIX;
 218         sun_path_len = MIN(strlen(path) + 1, UNIX_PATH_MAX);
 219         strncpy(addr.sun_path, path, sun_path_len);
 220         if (bind(fd, &addr, sizeof(addr)) == -1 ||
 221             listen(fd, REMOTE_SERVER_BACKLOG) == -1)
 222                 {
 223                 printf("error subscribing to socket: %s\n", strerror(errno));
 224                 close(fd);
 225                 return NULL;
 226                 }
 227
 228         rc = g_new0(RemoteConnection, 1);
 229         rc->server = TRUE;
 230         rc->fd = fd;
 231         rc->path = g_strdup(path);
 232
 233         rc->read_func = NULL;
 234         rc->read_data = NULL;
 235
 236         rc->clients = NULL;
 237
 238         channel = g_io_channel_unix_new(rc->fd);
 239         rc->channel_id = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, G_IO_IN,
 240                                              remote_server_read_cb, rc, NULL);
 241         g_io_channel_unref(channel);
 242
 243         return rc;
 244 }
 245
 246 static void remote_server_subscribe(RemoteConnection *rc, RemoteReadFunc *func, gpointer data)
 247 {
 248         if (!rc || !rc->server) return;
 249
 250         rc->read_func = func;
 251         rc->read_data = data;
 252 }
 253
 254
 255 static RemoteConnection *remote_client_open(const gchar *path)
 256 {
 257         RemoteConnection *rc;
 258         struct stat st;
 259         struct sockaddr_un addr;
 260         gint sun_path_len;
 261         int fd;
 262
 263         if (stat(path, &st) != 0 || !S_ISSOCK(st.st_mode)) return NULL;
 264
 265         fd = socket(PF_UNIX, SOCK_STREAM, 0);
 266         if (fd == -1) return NULL;
 267
 268         addr.sun_family = AF_UNIX;
 269         sun_path_len = MIN(strlen(path) + 1, UNIX_PATH_MAX);
 270         strncpy(addr.sun_path, path, sun_path_len);
 271         if (connect(fd, &addr, sizeof(addr)) == -1)
 272                 {
 273                 DEBUG_1("error connecting to socket: %s", strerror(errno));
 274                 close(fd);
 275                 return NULL;
 276                 }
 277
 278         rc = g_new0(RemoteConnection, 1);
 279         rc->server = FALSE;
 280         rc->fd = fd;
 281         rc->path = g_strdup(path);
 282
 283         /* this might fix the freezes on freebsd, solaris, etc. - completely untested */
 284         remote_client_send(rc, "\n");
 285
 286         return rc;
 287 }
 288
 289 static sig_atomic_t sigpipe_occured = FALSE;
 290
 291 static void sighandler_sigpipe(int sig)
 292 {
 293         sigpipe_occured = TRUE;
 294 }
 295
 296 static gint remote_client_send(RemoteConnection *rc, const gchar *text)
 297 {
 298         struct sigaction new_action, old_action;
 299         gint ret = FALSE;
 300
 301         if (!rc || rc->server) return FALSE;
 302         if (!text) return TRUE;
 303
 304         sigpipe_occured = FALSE;
 305
 306         new_action.sa_handler = sighandler_sigpipe;
 307         sigemptyset(&new_action.sa_mask);
 308         new_action.sa_flags = 0;
 309
 310         /* setup our signal handler */
 311         sigaction(SIGPIPE, &new_action, &old_action);
 312
 313         if (write(rc->fd, text, strlen(text)) == -1 ||
 314             write(rc->fd, "\n", 1) == -1)
 315                 {
 316                 if (sigpipe_occured)
 317                         {
 318                         printf("SIGPIPE writing to socket: %s\n", rc->path);
 319                         }
 320                 else
 321                         {
 322                         printf("error writing to socket: %s\n", strerror(errno));
 323                         }
 324                 ret = FALSE;;
 325                 }
 326         else
 327                 {
 328                 ret = TRUE;
 329                 }
 330
 331         /* restore the original signal handler */
 332         sigaction(SIGPIPE, &old_action, NULL);
 333
 334         return ret;
 335 }
 336
 337 void remote_close(RemoteConnection *rc)
 338 {
 339         if (!rc) return;
 340
 341         if (rc->server)
 342                 {
 343                 remote_server_clients_close(rc);
 344
 345                 g_source_remove(rc->channel_id);
 346                 unlink(rc->path);
 347                 }
 348
 349         if (rc->read_data)
 350                 g_free(rc->read_data);
 351
 352         close(rc->fd);
 353
 354         g_free(rc->path);
 355         g_free(rc);
 356 }
 357
 358 /*
 359  *-----------------------------------------------------------------------------
 360  * remote functions
 361  *-----------------------------------------------------------------------------
 362  */
 363
 364 static void gr_image_next(const gchar *text, gpointer data)
 365 {
 366         layout_image_next(NULL);
 367 }
 368
 369 static void gr_image_prev(const gchar *text, gpointer data)
 370 {
 371         layout_image_prev(NULL);
 372 }
 373
 374 static void gr_image_first(const gchar *text, gpointer data)
 375 {
 376         layout_image_first(NULL);
 377 }
 378
 379 static void gr_image_last(const gchar *text, gpointer data)
 380 {
 381         layout_image_last(NULL);
 382 }
 383
 384 static void gr_fullscreen_toggle(const gchar *text, gpointer data)
 385 {
 386         layout_image_full_screen_toggle(NULL);
 387 }
 388
 389 static void gr_fullscreen_start(const gchar *text, gpointer data)
 390 {
 391         layout_image_full_screen_start(NULL);
 392 }
 393
 394 static void gr_fullscreen_stop(const gchar *text, gpointer data)
 395 {
 396         layout_image_full_screen_stop(NULL);
 397 }
 398
 399 static void gr_slideshow_start_rec(const gchar *text, gpointer data)
 400 {
 401         GList *list;
 402
 403         list = filelist_recursive(text);
 404         if (!list) return;
 405 //printf("length: %d\n", g_list_length(list));
 406         layout_image_slideshow_stop(NULL);
 407         layout_image_slideshow_start_from_list(NULL, list);
 408 }
 409
 410 static void gr_slideshow_toggle(const gchar *text, gpointer data)
 411 {
 412         layout_image_slideshow_toggle(NULL);
 413 }
 414
 415 static void gr_slideshow_start(const gchar *text, gpointer data)
 416 {
 417         layout_image_slideshow_start(NULL);
 418 }
 419
 420 static void gr_slideshow_stop(const gchar *text, gpointer data)
 421 {
 422         layout_image_slideshow_stop(NULL);
 423 }
 424
 425 static void gr_slideshow_delay(const gchar *text, gpointer data)
 426 {
 427         gdouble n;
 428
 429         n = strtod(text, NULL);
 430         if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS)
 431                 {
 432                 printf_term("Remote slideshow delay out of range (%.1f to %.1f)\n",
 433                             SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 434                 return;
 435                 }
 436         options->slideshow.delay = (gint)(n * 10.0 + 0.01);
 437 }
 438
 439 static void gr_tools_show(const gchar *text, gpointer data)
 440 {
 441         gint popped;
 442         gint hidden;
 443
 444         if (layout_tools_float_get(NULL, &popped, &hidden) && hidden)
 445                 {
 446                 layout_tools_float_set(NULL, popped, FALSE);
 447                 }
 448 }
 449
 450 static void gr_tools_hide(const gchar *text, gpointer data)
 451 {
 452         gint popped;
 453         gint hidden;
 454
 455         if (layout_tools_float_get(NULL, &popped, &hidden) && !hidden)
 456                 {
 457                 layout_tools_float_set(NULL, popped, TRUE);
 458                 }
 459 }
 460
 461 static gint gr_quit_idle_cb(gpointer data)
 462 {
 463         exit_program();
 464
 465         return FALSE;
 466 }
 467
 468 static void gr_quit(const gchar *text, gpointer data)
 469 {
 470         /* schedule exit when idle, if done from within a
 471          * remote handler remote_close will crash
 472          */
 473         g_idle_add(gr_quit_idle_cb, NULL);
 474 }
 475
 476 static void gr_file_load(const gchar *text, gpointer data)
 477 {
 478         if (isfile(text))
 479                 {
 480                 if (file_extension_match(text, ".gqv"))
 481                         {
 482                         collection_window_new(text);
 483                         }
 484                 else
 485                         {
 486                         layout_set_path(NULL, text);
 487                         }
 488                 }
 489         else if (isdir(text))
 490                 {
 491                 layout_set_path(NULL, text);
 492                 }
 493         else
 494                 {
 495                 printf("remote sent filename that does not exist:\"%s\"\n", text);
 496                 }
 497 }
 498
 499 static void gr_file_view(const gchar *text, gpointer data)
 500 {
 501         view_window_new(file_data_new_simple(text));
 502 }
 503
 504 static void gr_list_clear(const gchar *text, gpointer data)
 505 {
 506         RemoteData *remote_data = data;
 507
 508         if (remote_data->command_collection)
 509                 {
 510                 collection_unref(remote_data->command_collection);
 511                 remote_data->command_collection = NULL;
 512                 }
 513 }
 514
 515 static void gr_list_add(const gchar *text, gpointer data)
 516 {
 517         RemoteData *remote_data = data;
 518         gint new = TRUE;
 519
 520         if (!remote_data->command_collection)
 521                 {
 522                 CollectionData *cd;
 523
 524                 cd = collection_new("");
 525
 526                 g_free(cd->path);
 527                 cd->path = NULL;
 528                 g_free(cd->name);
 529                 cd->name = g_strdup(_("Command line"));
 530
 531                 remote_data->command_collection = cd;
 532                 }
 533         else
 534                 {
 535                 new = (!collection_get_first(remote_data->command_collection));
 536                 }
 537
 538         if (collection_add(remote_data->command_collection, file_data_new_simple(text), FALSE) && new)
 539                 {
 540                 layout_image_set_collection(NULL, remote_data->command_collection,
 541                                             collection_get_first(remote_data->command_collection));
 542                 }
 543 }
 544
 545 static void gr_raise(const gchar *text, gpointer data)
 546 {
 547         LayoutWindow *lw = NULL;
 548
 549         if (layout_valid(&lw))
 550                 {
 551                 gtk_window_present(GTK_WINDOW(lw->window));
 552                 }
 553 }
 554
 555 typedef struct _RemoteCommandEntry RemoteCommandEntry;
 556 struct _RemoteCommandEntry {
 557         gchar *opt_s;
 558         gchar *opt_l;
 559         void (*func)(const gchar *text, gpointer data);
 560         gint needs_extra;
 561         gint prefer_command_line;
 562         gchar *description;
 563 };
 564
 565 static RemoteCommandEntry remote_commands[] = {
 566         /* short, long                  callback,               extra, prefer,description */
 567         { "-n", "--next",               gr_image_next,          FALSE, FALSE, N_("next image") },
 568         { "-b", "--back",               gr_image_prev,          FALSE, FALSE, N_("previous image") },
 569         { NULL, "--first",              gr_image_first,         FALSE, FALSE, N_("first image") },
 570         { NULL, "--last",               gr_image_last,          FALSE, FALSE, N_("last image") },
 571         { "-f", "--fullscreen",         gr_fullscreen_toggle,   FALSE, TRUE,  N_("toggle full screen") },
 572         { "-fs","--fullscreen-start",   gr_fullscreen_start,    FALSE, FALSE, N_("start full screen") },
 573         { "-fS","--fullscreen-stop",    gr_fullscreen_stop,     FALSE, FALSE, N_("stop full screen") },
 574         { "-s", "--slideshow",          gr_slideshow_toggle,    FALSE, TRUE,  N_("toggle slide show") },
 575         { "-ss","--slideshow-start",    gr_slideshow_start,     FALSE, FALSE, N_("start slide show") },
 576         { "-sS","--slideshow-stop",     gr_slideshow_stop,      FALSE, FALSE, N_("stop slide show") },
 577         { "-sr","--slideshow-recurse",  gr_slideshow_start_rec, TRUE,  FALSE, N_("start recursive slide show") },
 578         { "-d", "--delay=",             gr_slideshow_delay,     TRUE,  FALSE, N_("set slide show delay in seconds") },
 579         { "+t", "--tools-show",         gr_tools_show,          FALSE, TRUE,  N_("show tools") },
 580         { "-t", "--tools-hide",         gr_tools_hide,          FALSE, TRUE,  N_("hide tools") },
 581         { "-q", "--quit",               gr_quit,                FALSE, FALSE, N_("quit") },
 582         { NULL, "file:",                gr_file_load,           TRUE,  FALSE, N_("open file") },
 583         { NULL, "view:",                gr_file_view,           TRUE,  FALSE, N_("open file in new window") },
 584         { NULL, "--list-clear",         gr_list_clear,          FALSE, FALSE, NULL },
 585         { NULL, "--list-add:",          gr_list_add,            TRUE,  FALSE, NULL },
 586         { NULL, "raise",                gr_raise,               FALSE, FALSE, NULL },
 587         { NULL, NULL, NULL, FALSE, FALSE, NULL }
 588 };
 589
 590 static RemoteCommandEntry *remote_command_find(const gchar *text, const gchar **offset)
 591 {
 592         gint match = FALSE;
 593         gint i;
 594
 595         i = 0;
 596         while (!match && remote_commands[i].func != NULL)
 597                 {
 598                 if (remote_commands[i].needs_extra)
 599                         {
 600                         if (remote_commands[i].opt_s &&
 601                             strncmp(remote_commands[i].opt_s, text, strlen(remote_commands[i].opt_s)) == 0)
 602                                 {
 603                                 if (offset) *offset = text + strlen(remote_commands[i].opt_s);
 604                                 return &remote_commands[i];
 605                                 }
 606                         else if (remote_commands[i].opt_l &&
 607                                  strncmp(remote_commands[i].opt_l, text, strlen(remote_commands[i].opt_l)) == 0)
 608                                 {
 609                                 if (offset) *offset = text + strlen(remote_commands[i].opt_l);
 610                                 return &remote_commands[i];
 611                                 }
 612                         }
 613                 else
 614                         {
 615                         if ((remote_commands[i].opt_s && strcmp(remote_commands[i].opt_s, text) == 0) ||
 616                             (remote_commands[i].opt_l && strcmp(remote_commands[i].opt_l, text) == 0))
 617                                 {
 618                                 if (offset) *offset = text;
 619                                 return &remote_commands[i];
 620                                 }
 621                         }
 622
 623                 i++;
 624                 }
 625
 626         return NULL;
 627 }
 628
 629 static void remote_cb(RemoteConnection *rc, const gchar *text, gpointer data)
 630 {
 631         RemoteCommandEntry *entry;
 632         const gchar *offset;
 633
 634         entry = remote_command_find(text, &offset);
 635         if (entry && entry->func)
 636                 {
 637                 entry->func(offset, data);
 638                 }
 639         else
 640                 {
 641                 printf("unknown remote command:%s\n", text);
 642                 }
 643 }
 644
 645 void remote_help(void)
 646 {
 647         gint i;
 648
 649         print_term(_("Remote command list:\n"));
 650
 651         i = 0;
 652         while (remote_commands[i].func != NULL)
 653                 {
 654                 if (remote_commands[i].description)
 655                         {
 656                         printf_term("  %-3s%s %-20s %s\n",
 657                                     (remote_commands[i].opt_s) ? remote_commands[i].opt_s : "",
 658                                     (remote_commands[i].opt_s && remote_commands[i].opt_l) ? "," : " ",
 659                                     (remote_commands[i].opt_l) ? remote_commands[i].opt_l : "",
 660                                     _(remote_commands[i].description));
 661                         }
 662                 i++;
 663                 }
 664 }
 665
 666 GList *remote_build_list(GList *list, int argc, char *argv[])
 667 {
 668         gint i;
 669
 670         i = 1;
 671         while (i < argc)
 672                 {
 673                 RemoteCommandEntry *entry;
 674
 675                 entry = remote_command_find(argv[i], NULL);
 676                 if (entry)
 677                         {
 678                         list = g_list_append(list, argv[i]);
 679                         }
 680                 i++;
 681                 }
 682
 683         return list;
 684 }
 685
 686 void remote_control(const gchar *arg_exec, GList *remote_list, const gchar *path,
 687                     GList *cmd_list, GList *collection_list)
 688 {
 689         RemoteConnection *rc;
 690         gint started = FALSE;
 691         gchar *buf;
 692
 693         buf = g_strconcat(homedir(), "/", GQ_RC_DIR, "/.command", NULL);
 694         rc = remote_client_open(buf);
 695         if (!rc)
 696                 {
 697                 GString *command;
 698                 GList *work;
 699                 gint retry_count = 12;
 700                 gint blank = FALSE;
 701
 702                 printf_term(_("Remote %s not running, starting..."), GQ_APPNAME);
 703
 704                 command = g_string_new(arg_exec);
 705
 706                 work = remote_list;
 707                 while (work)
 708                         {
 709                         gchar *text;
 710                         RemoteCommandEntry *entry;
 711
 712                         text = work->data;
 713                         work = work->next;
 714
 715                         entry = remote_command_find(text, NULL);
 716                         if (entry)
 717                                 {
 718                                 if (entry->prefer_command_line)
 719                                         {
 720                                         remote_list = g_list_remove(remote_list, text);
 721                                         g_string_append(command, " ");
 722                                         g_string_append(command, text);
 723                                         }
 724                                 if (entry->opt_l && strcmp(entry->opt_l, "file:") == 0)
 725                                         {
 726                                         blank = TRUE;
 727                                         }
 728                                 }
 729                         }
 730
 731                 if (blank || cmd_list || path) g_string_append(command, " --blank");
 732                 if (get_debug_level()) g_string_append(command, " --debug");
 733
 734                 g_string_append(command, " &");
 735                 system(command->str);
 736                 g_string_free(command, TRUE);
 737
 738                 while (!rc && retry_count > 0)
 739                         {
 740                         usleep((retry_count > 10) ? 500000 : 1000000);
 741                         rc = remote_client_open(buf);
 742                         if (!rc) print_term(".");
 743                         retry_count--;
 744                         }
 745
 746                 print_term("\n");
 747
 748                 started = TRUE;
 749                 }
 750         g_free(buf);
 751
 752         if (rc)
 753                 {
 754                 GList *work;
 755                 const gchar *prefix;
 756                 gint use_path = TRUE;
 757                 gint sent = FALSE;
 758
 759                 work = remote_list;
 760                 while (work)
 761                         {
 762                         gchar *text;
 763                         RemoteCommandEntry *entry;
 764
 765                         text = work->data;
 766                         work = work->next;
 767
 768                         entry = remote_command_find(text, NULL);
 769                         if (entry &&
 770                             entry->opt_l &&
 771                             strcmp(entry->opt_l, "file:") == 0) use_path = FALSE;
 772
 773                         remote_client_send(rc, text);
 774
 775                         sent = TRUE;
 776                         }
 777
 778                 if (cmd_list && cmd_list->next)
 779                         {
 780                         prefix = "--list-add:";
 781                         remote_client_send(rc, "--list-clear");
 782                         }
 783                 else
 784                         {
 785                         prefix = "file:";
 786                         }
 787
 788                 work = cmd_list;
 789                 while (work)
 790                         {
 791                         FileData *fd;
 792                         gchar *text;
 793
 794                         fd = work->data;
 795                         work = work->next;
 796
 797                         text = g_strconcat(prefix, fd->path, NULL);
 798                         remote_client_send(rc, text);
 799                         g_free(text);
 800
 801                         sent = TRUE;
 802                         }
 803
 804                 if (path && !cmd_list && use_path)
 805                         {
 806                         gchar *text;
 807
 808                         text = g_strdup_printf("file:%s", path);
 809                         remote_client_send(rc, text);
 810                         g_free(text);
 811
 812                         sent = TRUE;
 813                         }
 814
 815                 work = collection_list;
 816                 while (work)
 817                         {
 818                         const gchar *name;
 819                         gchar *text;
 820
 821                         name = work->data;
 822                         work = work->next;
 823
 824                         text = g_strdup_printf("file:%s", name);
 825                         remote_client_send(rc, text);
 826                         g_free(text);
 827
 828                         sent = TRUE;
 829                         }
 830
 831                 if (!started && !sent)
 832                         {
 833                         remote_client_send(rc, "raise");
 834                         }
 835                 }
 836         else
 837                 {
 838                 print_term(_("Remote not available\n"));
 839                 }
 840
 841         _exit(0);
 842 }
 843
 844 RemoteConnection *remote_server_init(gchar *path, CollectionData *command_collection)
 845 {
 846         RemoteConnection *remote_connection = remote_server_open(path);
 847         RemoteData *remote_data = g_new(RemoteData, 1);
 848
 849         remote_data->command_collection = command_collection;
 850
 851         remote_server_subscribe(remote_connection, remote_cb, remote_data);
 852         return remote_connection;
 853 }