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 "filedata.h"
  19 #include "img-view.h"
  20 #include "layout.h"
  21 #include "layout_image.h"
  22 #include "slideshow.h"
  23 #include "ui_fileops.h"
  24
  25 #include <sys/socket.h>
  26 #include <sys/un.h>
  27 #include <signal.h>
  28 #include <errno.h>
  29
  30
  31 #define SERVER_MAX_CLIENTS 8
  32
  33 #define REMOTE_SERVER_BACKLOG 4
  34
  35
  36 #ifndef UNIX_PATH_MAX
  37 #define UNIX_PATH_MAX 108
  38 #endif
  39
  40
  41 static RemoteConnection *remote_client_open(const gchar *path);
  42 static gint remote_client_send(RemoteConnection *rc, const gchar *text);
  43
  44
  45 typedef struct _RemoteClient RemoteClient;
  46 struct _RemoteClient {
  47         gint fd;
  48         gint channel_id;
  49         RemoteConnection *rc;
  50 };
  51
  52 typedef struct _RemoteData RemoteData;
  53 struct _RemoteData {
  54         CollectionData *command_collection;
  55 };
  56
  57
  58 static gboolean remote_server_client_cb(GIOChannel *source, GIOCondition condition, gpointer data)
  59 {
  60         RemoteClient *client = data;
  61         RemoteConnection *rc;
  62
  63         rc = client->rc;
  64
  65         if (condition & G_IO_IN)
  66                 {
  67                 GList *queue = NULL;
  68                 GList *work;
  69                 gchar *buffer = NULL;
  70                 GError *error = NULL;
  71                 guint termpos;
  72
  73                 while (g_io_channel_read_line(source, &buffer, NULL, &termpos, &error) == G_IO_STATUS_NORMAL)
  74                         {
  75                         if (buffer)
  76                                 {
  77                                 buffer[termpos] = '\0';
  78
  79                                 if (strlen(buffer) > 0)
  80                                         {
  81                                         queue = g_list_append(queue, buffer);
  82                                         }
  83                                 else
  84                                         {
  85                                         g_free(buffer);
  86                                         }
  87
  88                                 buffer = NULL;
  89                                 }
  90                         }
  91
  92                 if (error)
  93                         {
  94                         log_printf("error reading socket: %s\n", error->message);
  95                         g_error_free(error);
  96                         }
  97
  98                 work = queue;
  99                 while (work)
 100                         {
 101                         gchar *command = work->data;
 102                         work = work->next;
 103
 104                         if (rc->read_func) rc->read_func(rc, command, rc->read_data);
 105                         g_free(command);
 106                         }
 107
 108                 g_list_free(queue);
 109                 }
 110
 111         if (condition & G_IO_HUP)
 112                 {
 113                 rc->clients = g_list_remove(rc->clients, client);
 114
 115                 DEBUG_1("HUP detected, closing client.");
 116                 DEBUG_1("client count %d", g_list_length(rc->clients));
 117
 118                 g_source_remove(client->channel_id);
 119                 close(client->fd);
 120                 g_free(client);
 121                 }
 122
 123         return TRUE;
 124 }
 125
 126 static void remote_server_client_add(RemoteConnection *rc, int fd)
 127 {
 128         RemoteClient *client;
 129         GIOChannel *channel;
 130
 131         if (g_list_length(rc->clients) > SERVER_MAX_CLIENTS)
 132                 {
 133                 log_printf("maximum remote clients of %d exceeded, closing connection\n", SERVER_MAX_CLIENTS);
 134                 close(fd);
 135                 return;
 136                 }
 137
 138         client = g_new0(RemoteClient, 1);
 139         client->rc = rc;
 140         client->fd = fd;
 141
 142         channel = g_io_channel_unix_new(fd);
 143         client->channel_id = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, G_IO_IN | G_IO_HUP,
 144                                                  remote_server_client_cb, client, NULL);
 145         g_io_channel_unref(channel);
 146
 147         rc->clients = g_list_append(rc->clients, client);
 148         DEBUG_1("client count %d", g_list_length(rc->clients));
 149 }
 150
 151 static void remote_server_clients_close(RemoteConnection *rc)
 152 {
 153         while (rc->clients)
 154                 {
 155                 RemoteClient *client = rc->clients->data;
 156
 157                 rc->clients = g_list_remove(rc->clients, client);
 158
 159                 g_source_remove(client->channel_id);
 160                 close(client->fd);
 161                 g_free(client);
 162                 }
 163 }
 164
 165 static gboolean remote_server_read_cb(GIOChannel *source, GIOCondition condition, gpointer data)
 166 {
 167         RemoteConnection *rc = data;
 168         int fd;
 169         unsigned int alen;
 170
 171         fd = accept(rc->fd, NULL, &alen);
 172         if (fd == -1)
 173                 {
 174                 log_printf("error accepting socket: %s\n", strerror(errno));
 175                 return TRUE;
 176                 }
 177
 178         remote_server_client_add(rc, fd);
 179
 180         return TRUE;
 181 }
 182
 183 static gint remote_server_exists(const gchar *path)
 184 {
 185         RemoteConnection *rc;
 186
 187         /* verify server up */
 188         rc = remote_client_open(path);
 189         remote_close(rc);
 190
 191         if (rc) return TRUE;
 192
 193         /* unable to connect, remove socket file to free up address */
 194         unlink(path);
 195         return FALSE;
 196 }
 197
 198 static RemoteConnection *remote_server_open(const gchar *path)
 199 {
 200         RemoteConnection *rc;
 201         struct sockaddr_un addr;
 202         gint sun_path_len;
 203         int fd;
 204         GIOChannel *channel;
 205
 206         if (remote_server_exists(path))
 207                 {
 208                 log_printf("Address already in use: %s\n", path);
 209                 return NULL;
 210                 }
 211
 212         fd = socket(PF_UNIX, SOCK_STREAM, 0);
 213         if (fd == -1) return NULL;
 214
 215         addr.sun_family = AF_UNIX;
 216         sun_path_len = MIN(strlen(path) + 1, UNIX_PATH_MAX);
 217         strncpy(addr.sun_path, path, sun_path_len);
 218         if (bind(fd, &addr, sizeof(addr)) == -1 ||
 219             listen(fd, REMOTE_SERVER_BACKLOG) == -1)
 220                 {
 221                 log_printf("error subscribing to socket: %s\n", strerror(errno));
 222                 close(fd);
 223                 return NULL;
 224                 }
 225
 226         rc = g_new0(RemoteConnection, 1);
 227         rc->server = TRUE;
 228         rc->fd = fd;
 229         rc->path = g_strdup(path);
 230
 231         rc->read_func = NULL;
 232         rc->read_data = NULL;
 233
 234         rc->clients = NULL;
 235
 236         channel = g_io_channel_unix_new(rc->fd);
 237         rc->channel_id = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, G_IO_IN,
 238                                              remote_server_read_cb, rc, NULL);
 239         g_io_channel_unref(channel);
 240
 241         return rc;
 242 }
 243
 244 static void remote_server_subscribe(RemoteConnection *rc, RemoteReadFunc *func, gpointer data)
 245 {
 246         if (!rc || !rc->server) return;
 247
 248         rc->read_func = func;
 249         rc->read_data = data;
 250 }
 251
 252
 253 static RemoteConnection *remote_client_open(const gchar *path)
 254 {
 255         RemoteConnection *rc;
 256         struct stat st;
 257         struct sockaddr_un addr;
 258         gint sun_path_len;
 259         int fd;
 260
 261         if (stat(path, &st) != 0 || !S_ISSOCK(st.st_mode)) return NULL;
 262
 263         fd = socket(PF_UNIX, SOCK_STREAM, 0);
 264         if (fd == -1) return NULL;
 265
 266         addr.sun_family = AF_UNIX;
 267         sun_path_len = MIN(strlen(path) + 1, UNIX_PATH_MAX);
 268         strncpy(addr.sun_path, path, sun_path_len);
 269         if (connect(fd, &addr, sizeof(addr)) == -1)
 270                 {
 271                 DEBUG_1("error connecting to socket: %s", strerror(errno));
 272                 close(fd);
 273                 return NULL;
 274                 }
 275
 276         rc = g_new0(RemoteConnection, 1);
 277         rc->server = FALSE;
 278         rc->fd = fd;
 279         rc->path = g_strdup(path);
 280
 281         /* this might fix the freezes on freebsd, solaris, etc. - completely untested */
 282         remote_client_send(rc, "\n");
 283
 284         return rc;
 285 }
 286
 287 static sig_atomic_t sigpipe_occured = FALSE;
 288
 289 static void sighandler_sigpipe(int sig)
 290 {
 291         sigpipe_occured = TRUE;
 292 }
 293
 294 static gint remote_client_send(RemoteConnection *rc, const gchar *text)
 295 {
 296         struct sigaction new_action, old_action;
 297         gint ret = FALSE;
 298
 299         if (!rc || rc->server) return FALSE;
 300         if (!text) return TRUE;
 301
 302         sigpipe_occured = FALSE;
 303
 304         new_action.sa_handler = sighandler_sigpipe;
 305         sigemptyset(&new_action.sa_mask);
 306         new_action.sa_flags = 0;
 307
 308         /* setup our signal handler */
 309         sigaction(SIGPIPE, &new_action, &old_action);
 310
 311         if (write(rc->fd, text, strlen(text)) == -1 ||
 312             write(rc->fd, "\n", 1) == -1)
 313                 {
 314                 if (sigpipe_occured)
 315                         {
 316                         log_printf("SIGPIPE writing to socket: %s\n", rc->path);
 317                         }
 318                 else
 319                         {
 320                         log_printf("error writing to socket: %s\n", strerror(errno));
 321                         }
 322                 ret = FALSE;;
 323                 }
 324         else
 325                 {
 326                 ret = TRUE;
 327                 }
 328
 329         /* restore the original signal handler */
 330         sigaction(SIGPIPE, &old_action, NULL);
 331
 332         return ret;
 333 }
 334
 335 void remote_close(RemoteConnection *rc)
 336 {
 337         if (!rc) return;
 338
 339         if (rc->server)
 340                 {
 341                 remote_server_clients_close(rc);
 342
 343                 g_source_remove(rc->channel_id);
 344                 unlink(rc->path);
 345                 }
 346
 347         if (rc->read_data)
 348                 g_free(rc->read_data);
 349
 350         close(rc->fd);
 351
 352         g_free(rc->path);
 353         g_free(rc);
 354 }
 355
 356 /*
 357  *-----------------------------------------------------------------------------
 358  * remote functions
 359  *-----------------------------------------------------------------------------
 360  */
 361
 362 static void gr_image_next(const gchar *text, gpointer data)
 363 {
 364         layout_image_next(NULL);
 365 }
 366
 367 static void gr_image_prev(const gchar *text, gpointer data)
 368 {
 369         layout_image_prev(NULL);
 370 }
 371
 372 static void gr_image_first(const gchar *text, gpointer data)
 373 {
 374         layout_image_first(NULL);
 375 }
 376
 377 static void gr_image_last(const gchar *text, gpointer data)
 378 {
 379         layout_image_last(NULL);
 380 }
 381
 382 static void gr_fullscreen_toggle(const gchar *text, gpointer data)
 383 {
 384         layout_image_full_screen_toggle(NULL);
 385 }
 386
 387 static void gr_fullscreen_start(const gchar *text, gpointer data)
 388 {
 389         layout_image_full_screen_start(NULL);
 390 }
 391
 392 static void gr_fullscreen_stop(const gchar *text, gpointer data)
 393 {
 394         layout_image_full_screen_stop(NULL);
 395 }
 396
 397 static void gr_slideshow_start_rec(const gchar *text, gpointer data)
 398 {
 399         GList *list;
 400
 401         list = filelist_recursive(text);
 402         if (!list) return;
 403 //printf("length: %d\n", g_list_length(list));
 404         layout_image_slideshow_stop(NULL);
 405         layout_image_slideshow_start_from_list(NULL, list);
 406 }
 407
 408 static void gr_slideshow_toggle(const gchar *text, gpointer data)
 409 {
 410         layout_image_slideshow_toggle(NULL);
 411 }
 412
 413 static void gr_slideshow_start(const gchar *text, gpointer data)
 414 {
 415         layout_image_slideshow_start(NULL);
 416 }
 417
 418 static void gr_slideshow_stop(const gchar *text, gpointer data)
 419 {
 420         layout_image_slideshow_stop(NULL);
 421 }
 422
 423 static void gr_slideshow_delay(const gchar *text, gpointer data)
 424 {
 425         gdouble n;
 426
 427         n = strtod(text, NULL);
 428         if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS)
 429                 {
 430                 printf_term("Remote slideshow delay out of range (%.1f to %.1f)\n",
 431                             SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 432                 return;
 433                 }
 434         options->slideshow.delay = (gint)(n * 10.0 + 0.01);
 435 }
 436
 437 static void gr_tools_show(const gchar *text, gpointer data)
 438 {
 439         gint popped;
 440         gint hidden;
 441
 442         if (layout_tools_float_get(NULL, &popped, &hidden) && hidden)
 443                 {
 444                 layout_tools_float_set(NULL, popped, FALSE);
 445                 }
 446 }
 447
 448 static void gr_tools_hide(const gchar *text, gpointer data)
 449 {
 450         gint popped;
 451         gint hidden;
 452
 453         if (layout_tools_float_get(NULL, &popped, &hidden) && !hidden)
 454                 {
 455                 layout_tools_float_set(NULL, popped, TRUE);
 456                 }
 457 }
 458
 459 static gint gr_quit_idle_cb(gpointer data)
 460 {
 461         exit_program();
 462
 463         return FALSE;
 464 }
 465
 466 static void gr_quit(const gchar *text, gpointer data)
 467 {
 468         /* schedule exit when idle, if done from within a
 469          * remote handler remote_close will crash
 470          */
 471         g_idle_add(gr_quit_idle_cb, NULL);
 472 }
 473
 474 static void gr_file_load(const gchar *text, gpointer data)
 475 {
 476         gchar *filename = expand_tilde(text);
 477
 478         if (isfile(filename))
 479                 {
 480                 if (file_extension_match(filename, GQ_COLLECTION_EXT))
 481                         {
 482                         collection_window_new(filename);
 483                         }
 484                 else
 485                         {
 486                         layout_set_path(NULL, filename);
 487                         }
 488                 }
 489         else if (isdir(filename))
 490                 {
 491                 layout_set_path(NULL, filename);
 492                 }
 493         else
 494                 {
 495                 log_printf("remote sent filename that does not exist:\"%s\"\n", filename);
 496                 }
 497
 498         g_free(filename);
 499 }
 500
 501 static void gr_file_view(const gchar *text, gpointer data)
 502 {
 503         gchar *filename = expand_tilde(text);
 504
 505         view_window_new(file_data_new_simple(filename));
 506         g_free(filename);
 507 }
 508
 509 static void gr_list_clear(const gchar *text, gpointer data)
 510 {
 511         RemoteData *remote_data = data;
 512
 513         if (remote_data->command_collection)
 514                 {
 515                 collection_unref(remote_data->command_collection);
 516                 remote_data->command_collection = NULL;
 517                 }
 518 }
 519
 520 static void gr_list_add(const gchar *text, gpointer data)
 521 {
 522         RemoteData *remote_data = data;
 523         gint new = TRUE;
 524
 525         if (!remote_data->command_collection)
 526                 {
 527                 CollectionData *cd;
 528
 529                 cd = collection_new("");
 530
 531                 g_free(cd->path);
 532                 cd->path = NULL;
 533                 g_free(cd->name);
 534                 cd->name = g_strdup(_("Command line"));
 535
 536                 remote_data->command_collection = cd;
 537                 }
 538         else
 539                 {
 540                 new = (!collection_get_first(remote_data->command_collection));
 541                 }
 542
 543         if (collection_add(remote_data->command_collection, file_data_new_simple(text), FALSE) && new)
 544                 {
 545                 layout_image_set_collection(NULL, remote_data->command_collection,
 546                                             collection_get_first(remote_data->command_collection));
 547                 }
 548 }
 549
 550 static void gr_raise(const gchar *text, gpointer data)
 551 {
 552         LayoutWindow *lw = NULL;
 553
 554         if (layout_valid(&lw))
 555                 {
 556                 gtk_window_present(GTK_WINDOW(lw->window));
 557                 }
 558 }
 559
 560 typedef struct _RemoteCommandEntry RemoteCommandEntry;
 561 struct _RemoteCommandEntry {
 562         gchar *opt_s;
 563         gchar *opt_l;
 564         void (*func)(const gchar *text, gpointer data);
 565         gint needs_extra;
 566         gint prefer_command_line;
 567         gchar *description;
 568 };
 569
 570 static RemoteCommandEntry remote_commands[] = {
 571         /* short, long                  callback,               extra, prefer,description */
 572         { "-n", "--next",               gr_image_next,          FALSE, FALSE, N_("next image") },
 573         { "-b", "--back",               gr_image_prev,          FALSE, FALSE, N_("previous image") },
 574         { NULL, "--first",              gr_image_first,         FALSE, FALSE, N_("first image") },
 575         { NULL, "--last",               gr_image_last,          FALSE, FALSE, N_("last image") },
 576         { "-f", "--fullscreen",         gr_fullscreen_toggle,   FALSE, TRUE,  N_("toggle full screen") },
 577         { "-fs","--fullscreen-start",   gr_fullscreen_start,    FALSE, FALSE, N_("start full screen") },
 578         { "-fS","--fullscreen-stop",    gr_fullscreen_stop,     FALSE, FALSE, N_("stop full screen") },
 579         { "-s", "--slideshow",          gr_slideshow_toggle,    FALSE, TRUE,  N_("toggle slide show") },
 580         { "-ss","--slideshow-start",    gr_slideshow_start,     FALSE, FALSE, N_("start slide show") },
 581         { "-sS","--slideshow-stop",     gr_slideshow_stop,      FALSE, FALSE, N_("stop slide show") },
 582         { "-sr","--slideshow-recurse",  gr_slideshow_start_rec, TRUE,  FALSE, N_("start recursive slide show") },
 583         { "-d", "--delay=",             gr_slideshow_delay,     TRUE,  FALSE, N_("set slide show delay in seconds") },
 584         { "+t", "--tools-show",         gr_tools_show,          FALSE, TRUE,  N_("show tools") },
 585         { "-t", "--tools-hide",         gr_tools_hide,          FALSE, TRUE,  N_("hide tools") },
 586         { "-q", "--quit",               gr_quit,                FALSE, FALSE, N_("quit") },
 587         { NULL, "file:",                gr_file_load,           TRUE,  FALSE, N_("open file") },
 588         { NULL, "view:",                gr_file_view,           TRUE,  FALSE, N_("open file in new window") },
 589         { NULL, "--list-clear",         gr_list_clear,          FALSE, FALSE, NULL },
 590         { NULL, "--list-add:",          gr_list_add,            TRUE,  FALSE, NULL },
 591         { NULL, "raise",                gr_raise,               FALSE, FALSE, NULL },
 592         { NULL, NULL, NULL, FALSE, FALSE, NULL }
 593 };
 594
 595 static RemoteCommandEntry *remote_command_find(const gchar *text, const gchar **offset)
 596 {
 597         gint match = FALSE;
 598         gint i;
 599
 600         i = 0;
 601         while (!match && remote_commands[i].func != NULL)
 602                 {
 603                 if (remote_commands[i].needs_extra)
 604                         {
 605                         if (remote_commands[i].opt_s &&
 606                             strncmp(remote_commands[i].opt_s, text, strlen(remote_commands[i].opt_s)) == 0)
 607                                 {
 608                                 if (offset) *offset = text + strlen(remote_commands[i].opt_s);
 609                                 return &remote_commands[i];
 610                                 }
 611                         else if (remote_commands[i].opt_l &&
 612                                  strncmp(remote_commands[i].opt_l, text, strlen(remote_commands[i].opt_l)) == 0)
 613                                 {
 614                                 if (offset) *offset = text + strlen(remote_commands[i].opt_l);
 615                                 return &remote_commands[i];
 616                                 }
 617                         }
 618                 else
 619                         {
 620                         if ((remote_commands[i].opt_s && strcmp(remote_commands[i].opt_s, text) == 0) ||
 621                             (remote_commands[i].opt_l && strcmp(remote_commands[i].opt_l, text) == 0))
 622                                 {
 623                                 if (offset) *offset = text;
 624                                 return &remote_commands[i];
 625                                 }
 626                         }
 627
 628                 i++;
 629                 }
 630
 631         return NULL;
 632 }
 633
 634 static void remote_cb(RemoteConnection *rc, const gchar *text, gpointer data)
 635 {
 636         RemoteCommandEntry *entry;
 637         const gchar *offset;
 638
 639         entry = remote_command_find(text, &offset);
 640         if (entry && entry->func)
 641                 {
 642                 entry->func(offset, data);
 643                 }
 644         else
 645                 {
 646                 log_printf("unknown remote command:%s\n", text);
 647                 }
 648 }
 649
 650 void remote_help(void)
 651 {
 652         gint i;
 653
 654         print_term(_("Remote command list:\n"));
 655
 656         i = 0;
 657         while (remote_commands[i].func != NULL)
 658                 {
 659                 if (remote_commands[i].description)
 660                         {
 661                         printf_term("  %-3s%s %-20s %s\n",
 662                                     (remote_commands[i].opt_s) ? remote_commands[i].opt_s : "",
 663                                     (remote_commands[i].opt_s && remote_commands[i].opt_l) ? "," : " ",
 664                                     (remote_commands[i].opt_l) ? remote_commands[i].opt_l : "",
 665                                     _(remote_commands[i].description));
 666                         }
 667                 i++;
 668                 }
 669 }
 670
 671 GList *remote_build_list(GList *list, int argc, char *argv[], GList **errors)
 672 {
 673         gint i;
 674
 675         i = 1;
 676         while (i < argc)
 677                 {
 678                 RemoteCommandEntry *entry;
 679
 680                 entry = remote_command_find(argv[i], NULL);
 681                 if (entry)
 682                         {
 683                         list = g_list_append(list, argv[i]);
 684                         }
 685                 else if (errors)
 686                         {
 687                         *errors = g_list_append(*errors, argv[i]);
 688                         }
 689                 i++;
 690                 }
 691
 692         return list;
 693 }
 694
 695 void remote_control(const gchar *arg_exec, GList *remote_list, const gchar *path,
 696                     GList *cmd_list, GList *collection_list)
 697 {
 698         RemoteConnection *rc;
 699         gint started = FALSE;
 700         gchar *buf;
 701
 702         buf = g_build_filename(homedir(), GQ_RC_DIR, ".command", NULL);
 703         rc = remote_client_open(buf);
 704         if (!rc)
 705                 {
 706                 GString *command;
 707                 GList *work;
 708                 gint retry_count = 12;
 709                 gint blank = FALSE;
 710
 711                 printf_term(_("Remote %s not running, starting..."), GQ_APPNAME);
 712
 713                 command = g_string_new(arg_exec);
 714
 715                 work = remote_list;
 716                 while (work)
 717                         {
 718                         gchar *text;
 719                         RemoteCommandEntry *entry;
 720
 721                         text = work->data;
 722                         work = work->next;
 723
 724                         entry = remote_command_find(text, NULL);
 725                         if (entry)
 726                                 {
 727                                 if (entry->prefer_command_line)
 728                                         {
 729                                         remote_list = g_list_remove(remote_list, text);
 730                                         g_string_append(command, " ");
 731                                         g_string_append(command, text);
 732                                         }
 733                                 if (entry->opt_l && strcmp(entry->opt_l, "file:") == 0)
 734                                         {
 735                                         blank = TRUE;
 736                                         }
 737                                 }
 738                         }
 739
 740                 if (blank || cmd_list || path) g_string_append(command, " --blank");
 741                 if (get_debug_level()) g_string_append(command, " --debug");
 742
 743                 g_string_append(command, " &");
 744                 system(command->str);
 745                 g_string_free(command, TRUE);
 746
 747                 while (!rc && retry_count > 0)
 748                         {
 749                         usleep((retry_count > 10) ? 500000 : 1000000);
 750                         rc = remote_client_open(buf);
 751                         if (!rc) print_term(".");
 752                         retry_count--;
 753                         }
 754
 755                 print_term("\n");
 756
 757                 started = TRUE;
 758                 }
 759         g_free(buf);
 760
 761         if (rc)
 762                 {
 763                 GList *work;
 764                 const gchar *prefix;
 765                 gint use_path = TRUE;
 766                 gint sent = FALSE;
 767
 768                 work = remote_list;
 769                 while (work)
 770                         {
 771                         gchar *text;
 772                         RemoteCommandEntry *entry;
 773
 774                         text = work->data;
 775                         work = work->next;
 776
 777                         entry = remote_command_find(text, NULL);
 778                         if (entry &&
 779                             entry->opt_l &&
 780                             strcmp(entry->opt_l, "file:") == 0) use_path = FALSE;
 781
 782                         remote_client_send(rc, text);
 783
 784                         sent = TRUE;
 785                         }
 786
 787                 if (cmd_list && cmd_list->next)
 788                         {
 789                         prefix = "--list-add:";
 790                         remote_client_send(rc, "--list-clear");
 791                         }
 792                 else
 793                         {
 794                         prefix = "file:";
 795                         }
 796
 797                 work = cmd_list;
 798                 while (work)
 799                         {
 800                         FileData *fd;
 801                         gchar *text;
 802
 803                         fd = work->data;
 804                         work = work->next;
 805
 806                         text = g_strconcat(prefix, fd->path, NULL);
 807                         remote_client_send(rc, text);
 808                         g_free(text);
 809
 810                         sent = TRUE;
 811                         }
 812
 813                 if (path && !cmd_list && use_path)
 814                         {
 815                         gchar *text;
 816
 817                         text = g_strdup_printf("file:%s", path);
 818                         remote_client_send(rc, text);
 819                         g_free(text);
 820
 821                         sent = TRUE;
 822                         }
 823
 824                 work = collection_list;
 825                 while (work)
 826                         {
 827                         const gchar *name;
 828                         gchar *text;
 829
 830                         name = work->data;
 831                         work = work->next;
 832
 833                         text = g_strdup_printf("file:%s", name);
 834                         remote_client_send(rc, text);
 835                         g_free(text);
 836
 837                         sent = TRUE;
 838                         }
 839
 840                 if (!started && !sent)
 841                         {
 842                         remote_client_send(rc, "raise");
 843                         }
 844                 }
 845         else
 846                 {
 847                 print_term(_("Remote not available\n"));
 848                 }
 849
 850         _exit(0);
 851 }
 852
 853 RemoteConnection *remote_server_init(gchar *path, CollectionData *command_collection)
 854 {
 855         RemoteConnection *remote_connection = remote_server_open(path);
 856         RemoteData *remote_data = g_new(RemoteData, 1);
 857
 858         remote_data->command_collection = command_collection;
 859
 860         remote_server_subscribe(remote_connection, remote_cb, remote_data);
 861         return remote_connection;
 862 }