src/remote.c

   1 /*
   2  * Geeqie
   3  * (C) 2004 John Ellis
   4  * Copyright (C) 2008 - 2009 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 "misc.h"
  23 #include "slideshow.h"
  24 #include "ui_fileops.h"
  25 #include "rcfile.h"
  26
  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         guint channel_id; /* event source 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         GIOStatus status = G_IO_STATUS_NORMAL;
  65
  66         rc = client->rc;
  67
  68         if (condition & G_IO_IN)
  69                 {
  70                 gchar *buffer = NULL;
  71                 GError *error = NULL;
  72                 gsize termpos;
  73
  74                 while ((status = g_io_channel_read_line(source, &buffer, NULL, &termpos, &error)) == G_IO_STATUS_NORMAL)
  75                         {
  76                         if (buffer)
  77                                 {
  78                                 buffer[termpos] = '\0';
  79
  80                                 if (strlen(buffer) > 0)
  81                                         {
  82                                         if (rc->read_func) rc->read_func(rc, buffer, source, rc->read_data);
  83                                         g_io_channel_write_chars(source, "\n", -1, NULL, NULL); /* empty line finishes the command */
  84                                         g_io_channel_flush(source, NULL);
  85                                         }
  86                                 g_free(buffer);
  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
  99         if (condition & G_IO_HUP || status == G_IO_STATUS_EOF || status == G_IO_STATUS_ERROR)
 100                 {
 101                 rc->clients = g_list_remove(rc->clients, client);
 102
 103                 DEBUG_1("HUP detected, closing client.");
 104                 DEBUG_1("client count %d", g_list_length(rc->clients));
 105
 106                 g_source_remove(client->channel_id);
 107                 close(client->fd);
 108                 g_free(client);
 109                 }
 110
 111         return TRUE;
 112 }
 113
 114 static void remote_server_client_add(RemoteConnection *rc, gint fd)
 115 {
 116         RemoteClient *client;
 117         GIOChannel *channel;
 118
 119         if (g_list_length(rc->clients) > SERVER_MAX_CLIENTS)
 120                 {
 121                 log_printf("maximum remote clients of %d exceeded, closing connection\n", SERVER_MAX_CLIENTS);
 122                 close(fd);
 123                 return;
 124                 }
 125
 126         client = g_new0(RemoteClient, 1);
 127         client->rc = rc;
 128         client->fd = fd;
 129
 130         channel = g_io_channel_unix_new(fd);
 131         client->channel_id = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, G_IO_IN | G_IO_HUP,
 132                                                  remote_server_client_cb, client, NULL);
 133         g_io_channel_unref(channel);
 134
 135         rc->clients = g_list_append(rc->clients, client);
 136         DEBUG_1("client count %d", g_list_length(rc->clients));
 137 }
 138
 139 static void remote_server_clients_close(RemoteConnection *rc)
 140 {
 141         while (rc->clients)
 142                 {
 143                 RemoteClient *client = rc->clients->data;
 144
 145                 rc->clients = g_list_remove(rc->clients, client);
 146
 147                 g_source_remove(client->channel_id);
 148                 close(client->fd);
 149                 g_free(client);
 150                 }
 151 }
 152
 153 static gboolean remote_server_read_cb(GIOChannel *source, GIOCondition condition, gpointer data)
 154 {
 155         RemoteConnection *rc = data;
 156         gint fd;
 157         guint alen;
 158
 159         fd = accept(rc->fd, NULL, &alen);
 160         if (fd == -1)
 161                 {
 162                 log_printf("error accepting socket: %s\n", strerror(errno));
 163                 return TRUE;
 164                 }
 165
 166         remote_server_client_add(rc, fd);
 167
 168         return TRUE;
 169 }
 170
 171 static gboolean remote_server_exists(const gchar *path)
 172 {
 173         RemoteConnection *rc;
 174
 175         /* verify server up */
 176         rc = remote_client_open(path);
 177         remote_close(rc);
 178
 179         if (rc) return TRUE;
 180
 181         /* unable to connect, remove socket file to free up address */
 182         unlink(path);
 183         return FALSE;
 184 }
 185
 186 static RemoteConnection *remote_server_open(const gchar *path)
 187 {
 188         RemoteConnection *rc;
 189         struct sockaddr_un addr;
 190         gint sun_path_len;
 191         gint fd;
 192         GIOChannel *channel;
 193
 194         if (remote_server_exists(path))
 195                 {
 196                 log_printf("Address already in use: %s\n", path);
 197                 return NULL;
 198                 }
 199
 200         fd = socket(PF_UNIX, SOCK_STREAM, 0);
 201         if (fd == -1) return NULL;
 202
 203         addr.sun_family = AF_UNIX;
 204         sun_path_len = MIN(strlen(path) + 1, UNIX_PATH_MAX);
 205         strncpy(addr.sun_path, path, sun_path_len);
 206         if (bind(fd, &addr, sizeof(addr)) == -1 ||
 207             listen(fd, REMOTE_SERVER_BACKLOG) == -1)
 208                 {
 209                 log_printf("error subscribing to socket: %s\n", strerror(errno));
 210                 close(fd);
 211                 return NULL;
 212                 }
 213
 214         rc = g_new0(RemoteConnection, 1);
 215
 216         rc->server = TRUE;
 217         rc->fd = fd;
 218         rc->path = g_strdup(path);
 219
 220         channel = g_io_channel_unix_new(rc->fd);
 221         g_io_channel_set_flags(channel, G_IO_FLAG_NONBLOCK, NULL);
 222
 223         rc->channel_id = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, G_IO_IN,
 224                                              remote_server_read_cb, rc, NULL);
 225         g_io_channel_unref(channel);
 226
 227         return rc;
 228 }
 229
 230 static void remote_server_subscribe(RemoteConnection *rc, RemoteReadFunc *func, gpointer data)
 231 {
 232         if (!rc || !rc->server) return;
 233
 234         rc->read_func = func;
 235         rc->read_data = data;
 236 }
 237
 238
 239 static RemoteConnection *remote_client_open(const gchar *path)
 240 {
 241         RemoteConnection *rc;
 242         struct stat st;
 243         struct sockaddr_un addr;
 244         gint sun_path_len;
 245         gint fd;
 246
 247         if (stat(path, &st) != 0 || !S_ISSOCK(st.st_mode)) return NULL;
 248
 249         fd = socket(PF_UNIX, SOCK_STREAM, 0);
 250         if (fd == -1) return NULL;
 251
 252         addr.sun_family = AF_UNIX;
 253         sun_path_len = MIN(strlen(path) + 1, UNIX_PATH_MAX);
 254         strncpy(addr.sun_path, path, sun_path_len);
 255         if (connect(fd, &addr, sizeof(addr)) == -1)
 256                 {
 257                 DEBUG_1("error connecting to socket: %s", strerror(errno));
 258                 close(fd);
 259                 return NULL;
 260                 }
 261
 262         rc = g_new0(RemoteConnection, 1);
 263         rc->server = FALSE;
 264         rc->fd = fd;
 265         rc->path = g_strdup(path);
 266
 267         return rc;
 268 }
 269
 270 static sig_atomic_t sigpipe_occured = FALSE;
 271
 272 static void sighandler_sigpipe(gint sig)
 273 {
 274         sigpipe_occured = TRUE;
 275 }
 276
 277 static gboolean remote_client_send(RemoteConnection *rc, const gchar *text)
 278 {
 279         struct sigaction new_action, old_action;
 280         gboolean ret = FALSE;
 281         GError *error = NULL;
 282         GIOChannel *channel;
 283
 284         if (!rc || rc->server) return FALSE;
 285         if (!text) return TRUE;
 286
 287         sigpipe_occured = FALSE;
 288
 289         new_action.sa_handler = sighandler_sigpipe;
 290         sigemptyset(&new_action.sa_mask);
 291         new_action.sa_flags = 0;
 292
 293         /* setup our signal handler */
 294         sigaction(SIGPIPE, &new_action, &old_action);
 295
 296         channel = g_io_channel_unix_new(rc->fd);
 297
 298         g_io_channel_write_chars(channel, text, -1, NULL, &error);
 299         g_io_channel_write_chars(channel, "\n", -1, NULL, &error);
 300         g_io_channel_flush(channel, &error);
 301
 302         if (error)
 303                 {
 304                 log_printf("error reading socket: %s\n", error->message);
 305                 g_error_free(error);
 306                 ret = FALSE;;
 307                 }
 308         else
 309                 {
 310                 ret = TRUE;
 311                 }
 312
 313         if (ret)
 314                 {
 315                 gchar *buffer = NULL;
 316                 gsize termpos;
 317                 while (g_io_channel_read_line(channel, &buffer, NULL, &termpos, &error) == G_IO_STATUS_NORMAL)
 318                         {
 319                         if (buffer)
 320                                 {
 321                                 if (buffer[0] == '\n') /* empty line finishes the command */
 322                                         {
 323                                         g_free(buffer);
 324                                         break;
 325                                         }
 326                                 buffer[termpos] = '\0';
 327                                 printf("%s\n", buffer);
 328                                 g_free(buffer);
 329                                 buffer = NULL;
 330                                 }
 331                         }
 332
 333                 if (error)
 334                         {
 335                         log_printf("error reading socket: %s\n", error->message);
 336                         g_error_free(error);
 337                         ret = FALSE;
 338                         }
 339                 }
 340
 341
 342         /* restore the original signal handler */
 343         sigaction(SIGPIPE, &old_action, NULL);
 344         g_io_channel_unref(channel);
 345         return ret;
 346 }
 347
 348 void remote_close(RemoteConnection *rc)
 349 {
 350         if (!rc) return;
 351
 352         if (rc->server)
 353                 {
 354                 remote_server_clients_close(rc);
 355
 356                 g_source_remove(rc->channel_id);
 357                 unlink(rc->path);
 358                 }
 359
 360         if (rc->read_data)
 361                 g_free(rc->read_data);
 362
 363         close(rc->fd);
 364
 365         g_free(rc->path);
 366         g_free(rc);
 367 }
 368
 369 /*
 370  *-----------------------------------------------------------------------------
 371  * remote functions
 372  *-----------------------------------------------------------------------------
 373  */
 374
 375 static void gr_image_next(const gchar *text, GIOChannel *channel, gpointer data)
 376 {
 377         layout_image_next(NULL);
 378 }
 379
 380 static void gr_image_prev(const gchar *text, GIOChannel *channel, gpointer data)
 381 {
 382         layout_image_prev(NULL);
 383 }
 384
 385 static void gr_image_first(const gchar *text, GIOChannel *channel, gpointer data)
 386 {
 387         layout_image_first(NULL);
 388 }
 389
 390 static void gr_image_last(const gchar *text, GIOChannel *channel, gpointer data)
 391 {
 392         layout_image_last(NULL);
 393 }
 394
 395 static void gr_fullscreen_toggle(const gchar *text, GIOChannel *channel, gpointer data)
 396 {
 397         layout_image_full_screen_toggle(NULL);
 398 }
 399
 400 static void gr_fullscreen_start(const gchar *text, GIOChannel *channel, gpointer data)
 401 {
 402         layout_image_full_screen_start(NULL);
 403 }
 404
 405 static void gr_fullscreen_stop(const gchar *text, GIOChannel *channel, gpointer data)
 406 {
 407         layout_image_full_screen_stop(NULL);
 408 }
 409
 410 static void gr_slideshow_start_rec(const gchar *text, GIOChannel *channel, gpointer data)
 411 {
 412         GList *list;
 413         FileData *dir_fd = file_data_new_simple(text);
 414         list = filelist_recursive(dir_fd);
 415         file_data_unref(dir_fd);
 416         if (!list) return;
 417 //printf("length: %d\n", g_list_length(list));
 418         layout_image_slideshow_stop(NULL);
 419         layout_image_slideshow_start_from_list(NULL, list);
 420 }
 421
 422 static void gr_slideshow_toggle(const gchar *text, GIOChannel *channel, gpointer data)
 423 {
 424         layout_image_slideshow_toggle(NULL);
 425 }
 426
 427 static void gr_slideshow_start(const gchar *text, GIOChannel *channel, gpointer data)
 428 {
 429         layout_image_slideshow_start(NULL);
 430 }
 431
 432 static void gr_slideshow_stop(const gchar *text, GIOChannel *channel, gpointer data)
 433 {
 434         layout_image_slideshow_stop(NULL);
 435 }
 436
 437 static void gr_slideshow_delay(const gchar *text, GIOChannel *channel, gpointer data)
 438 {
 439         gdouble n;
 440
 441         n = g_ascii_strtod(text, NULL);
 442         if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS)
 443                 {
 444                 printf_term("Remote slideshow delay out of range (%.1f to %.1f)\n",
 445                             SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 446                 return;
 447                 }
 448         options->slideshow.delay = (gint)(n * 10.0 + 0.01);
 449 }
 450
 451 static void gr_tools_show(const gchar *text, GIOChannel *channel, gpointer data)
 452 {
 453         gboolean popped;
 454         gboolean hidden;
 455
 456         if (layout_tools_float_get(NULL, &popped, &hidden) && hidden)
 457                 {
 458                 layout_tools_float_set(NULL, popped, FALSE);
 459                 }
 460 }
 461
 462 static void gr_tools_hide(const gchar *text, GIOChannel *channel, gpointer data)
 463 {
 464         gboolean popped;
 465         gboolean hidden;
 466
 467         if (layout_tools_float_get(NULL, &popped, &hidden) && !hidden)
 468                 {
 469                 layout_tools_float_set(NULL, popped, TRUE);
 470                 }
 471 }
 472
 473 static gboolean gr_quit_idle_cb(gpointer data)
 474 {
 475         exit_program();
 476
 477         return FALSE;
 478 }
 479
 480 static void gr_quit(const gchar *text, GIOChannel *channel, gpointer data)
 481 {
 482         /* schedule exit when idle, if done from within a
 483          * remote handler remote_close will crash
 484          */
 485         g_idle_add(gr_quit_idle_cb, NULL);
 486 }
 487
 488 static void gr_file_load(const gchar *text, GIOChannel *channel, gpointer data)
 489 {
 490         gchar *filename = expand_tilde(text);
 491
 492         if (isfile(filename))
 493                 {
 494                 if (file_extension_match(filename, GQ_COLLECTION_EXT))
 495                         {
 496                         collection_window_new(filename);
 497                         }
 498                 else
 499                         {
 500                         layout_set_path(NULL, filename);
 501                         }
 502                 }
 503         else if (isdir(filename))
 504                 {
 505                 layout_set_path(NULL, filename);
 506                 }
 507         else
 508                 {
 509                 log_printf("remote sent filename that does not exist:\"%s\"\n", filename);
 510                 }
 511
 512         g_free(filename);
 513 }
 514
 515 static void gr_config_load(const gchar *text, GIOChannel *channel, gpointer data)
 516 {
 517         gchar *filename = expand_tilde(text);
 518
 519         if (isfile(filename))
 520                 {
 521                 load_config_from_file(filename, FALSE);
 522                 }
 523         else
 524                 {
 525                 log_printf("remote sent filename that does not exist:\"%s\"\n", filename);
 526                 }
 527
 528         g_free(filename);
 529 }
 530
 531 static void gr_file_view(const gchar *text, GIOChannel *channel, gpointer data)
 532 {
 533         gchar *filename = expand_tilde(text);
 534
 535         view_window_new(file_data_new_simple(filename));
 536         g_free(filename);
 537 }
 538
 539 static void gr_list_clear(const gchar *text, GIOChannel *channel, gpointer data)
 540 {
 541         RemoteData *remote_data = data;
 542
 543         if (remote_data->command_collection)
 544                 {
 545                 collection_unref(remote_data->command_collection);
 546                 remote_data->command_collection = NULL;
 547                 }
 548 }
 549
 550 static void gr_list_add(const gchar *text, GIOChannel *channel, gpointer data)
 551 {
 552         RemoteData *remote_data = data;
 553         gboolean new = TRUE;
 554
 555         if (!remote_data->command_collection)
 556                 {
 557                 CollectionData *cd;
 558
 559                 cd = collection_new("");
 560
 561                 g_free(cd->path);
 562                 cd->path = NULL;
 563                 g_free(cd->name);
 564                 cd->name = g_strdup(_("Command line"));
 565
 566                 remote_data->command_collection = cd;
 567                 }
 568         else
 569                 {
 570                 new = (!collection_get_first(remote_data->command_collection));
 571                 }
 572
 573         if (collection_add(remote_data->command_collection, file_data_new_simple(text), FALSE) && new)
 574                 {
 575                 layout_image_set_collection(NULL, remote_data->command_collection,
 576                                             collection_get_first(remote_data->command_collection));
 577                 }
 578 }
 579
 580 static void gr_raise(const gchar *text, GIOChannel *channel, gpointer data)
 581 {
 582         LayoutWindow *lw = NULL;
 583
 584         if (layout_valid(&lw))
 585                 {
 586                 gtk_window_present(GTK_WINDOW(lw->window));
 587                 }
 588 }
 589
 590 typedef struct _RemoteCommandEntry RemoteCommandEntry;
 591 struct _RemoteCommandEntry {
 592         gchar *opt_s;
 593         gchar *opt_l;
 594         void (*func)(const gchar *text, GIOChannel *channel, gpointer data);
 595         gboolean needs_extra;
 596         gboolean prefer_command_line;
 597         gchar *description;
 598 };
 599
 600 static RemoteCommandEntry remote_commands[] = {
 601         /* short, long                  callback,               extra, prefer,description */
 602         { "-n", "--next",               gr_image_next,          FALSE, FALSE, N_("next image") },
 603         { "-b", "--back",               gr_image_prev,          FALSE, FALSE, N_("previous image") },
 604         { NULL, "--first",              gr_image_first,         FALSE, FALSE, N_("first image") },
 605         { NULL, "--last",               gr_image_last,          FALSE, FALSE, N_("last image") },
 606         { "-f", "--fullscreen",         gr_fullscreen_toggle,   FALSE, TRUE,  N_("toggle full screen") },
 607         { "-fs","--fullscreen-start",   gr_fullscreen_start,    FALSE, FALSE, N_("start full screen") },
 608         { "-fS","--fullscreen-stop",    gr_fullscreen_stop,     FALSE, FALSE, N_("stop full screen") },
 609         { "-s", "--slideshow",          gr_slideshow_toggle,    FALSE, TRUE,  N_("toggle slide show") },
 610         { "-ss","--slideshow-start",    gr_slideshow_start,     FALSE, FALSE, N_("start slide show") },
 611         { "-sS","--slideshow-stop",     gr_slideshow_stop,      FALSE, FALSE, N_("stop slide show") },
 612         { NULL, "--slideshow-recurse:", gr_slideshow_start_rec, TRUE,  FALSE, N_("start recursive slide show") },
 613         { "-d", "--delay=",             gr_slideshow_delay,     TRUE,  FALSE, N_("set slide show delay in seconds") },
 614         { "+t", "--tools-show",         gr_tools_show,          FALSE, TRUE,  N_("show tools") },
 615         { "-t", "--tools-hide",         gr_tools_hide,          FALSE, TRUE,  N_("hide tools") },
 616         { "-q", "--quit",               gr_quit,                FALSE, FALSE, N_("quit") },
 617         { NULL, "--config-load:",       gr_config_load,         TRUE,  FALSE, N_("load config file") },
 618         { NULL, "file:",                gr_file_load,           TRUE,  FALSE, N_("open file") },
 619         { NULL, "view:",                gr_file_view,           TRUE,  FALSE, N_("open file in new window") },
 620         { NULL, "--list-clear",         gr_list_clear,          FALSE, FALSE, NULL },
 621         { NULL, "--list-add:",          gr_list_add,            TRUE,  FALSE, NULL },
 622         { NULL, "raise",                gr_raise,               FALSE, FALSE, NULL },
 623         { NULL, NULL, NULL, FALSE, FALSE, NULL }
 624 };
 625
 626 static RemoteCommandEntry *remote_command_find(const gchar *text, const gchar **offset)
 627 {
 628         gboolean match = FALSE;
 629         gint i;
 630
 631         i = 0;
 632         while (!match && remote_commands[i].func != NULL)
 633                 {
 634                 if (remote_commands[i].needs_extra)
 635                         {
 636                         if (remote_commands[i].opt_s &&
 637                             strncmp(remote_commands[i].opt_s, text, strlen(remote_commands[i].opt_s)) == 0)
 638                                 {
 639                                 if (offset) *offset = text + strlen(remote_commands[i].opt_s);
 640                                 return &remote_commands[i];
 641                                 }
 642                         else if (remote_commands[i].opt_l &&
 643                                  strncmp(remote_commands[i].opt_l, text, strlen(remote_commands[i].opt_l)) == 0)
 644                                 {
 645                                 if (offset) *offset = text + strlen(remote_commands[i].opt_l);
 646                                 return &remote_commands[i];
 647                                 }
 648                         }
 649                 else
 650                         {
 651                         if ((remote_commands[i].opt_s && strcmp(remote_commands[i].opt_s, text) == 0) ||
 652                             (remote_commands[i].opt_l && strcmp(remote_commands[i].opt_l, text) == 0))
 653                                 {
 654                                 if (offset) *offset = text;
 655                                 return &remote_commands[i];
 656                                 }
 657                         }
 658
 659                 i++;
 660                 }
 661
 662         return NULL;
 663 }
 664
 665 static void remote_cb(RemoteConnection *rc, const gchar *text, GIOChannel *channel, gpointer data)
 666 {
 667         RemoteCommandEntry *entry;
 668         const gchar *offset;
 669
 670         entry = remote_command_find(text, &offset);
 671         if (entry && entry->func)
 672                 {
 673                 entry->func(offset, channel, data);
 674                 }
 675         else
 676                 {
 677                 log_printf("unknown remote command:%s\n", text);
 678                 }
 679 }
 680
 681 void remote_help(void)
 682 {
 683         gint i;
 684
 685         print_term(_("Remote command list:\n"));
 686
 687         i = 0;
 688         while (remote_commands[i].func != NULL)
 689                 {
 690                 if (remote_commands[i].description)
 691                         {
 692                         printf_term("  %-3s%s %-20s %s\n",
 693                                     (remote_commands[i].opt_s) ? remote_commands[i].opt_s : "",
 694                                     (remote_commands[i].opt_s && remote_commands[i].opt_l) ? "," : " ",
 695                                     (remote_commands[i].opt_l) ? remote_commands[i].opt_l : "",
 696                                     _(remote_commands[i].description));
 697                         }
 698                 i++;
 699                 }
 700 }
 701
 702 GList *remote_build_list(GList *list, gint argc, gchar *argv[], GList **errors)
 703 {
 704         gint i;
 705
 706         i = 1;
 707         while (i < argc)
 708                 {
 709                 RemoteCommandEntry *entry;
 710
 711                 entry = remote_command_find(argv[i], NULL);
 712                 if (entry)
 713                         {
 714                         list = g_list_append(list, argv[i]);
 715                         }
 716                 else if (errors)
 717                         {
 718                         *errors = g_list_append(*errors, argv[i]);
 719                         }
 720                 i++;
 721                 }
 722
 723         return list;
 724 }
 725
 726 void remote_control(const gchar *arg_exec, GList *remote_list, const gchar *path,
 727                     GList *cmd_list, GList *collection_list)
 728 {
 729         RemoteConnection *rc;
 730         gboolean started = FALSE;
 731         gchar *buf;
 732
 733         buf = g_build_filename(get_rc_dir(), ".command", NULL);
 734         rc = remote_client_open(buf);
 735         if (!rc)
 736                 {
 737                 GString *command;
 738                 GList *work;
 739                 gint retry_count = 12;
 740                 gboolean blank = FALSE;
 741
 742                 printf_term(_("Remote %s not running, starting..."), GQ_APPNAME);
 743
 744                 command = g_string_new(arg_exec);
 745
 746                 work = remote_list;
 747                 while (work)
 748                         {
 749                         gchar *text;
 750                         RemoteCommandEntry *entry;
 751
 752                         text = work->data;
 753                         work = work->next;
 754
 755                         entry = remote_command_find(text, NULL);
 756                         if (entry)
 757                                 {
 758                                 if (entry->prefer_command_line)
 759                                         {
 760                                         remote_list = g_list_remove(remote_list, text);
 761                                         g_string_append(command, " ");
 762                                         g_string_append(command, text);
 763                                         }
 764                                 if (entry->opt_l && strcmp(entry->opt_l, "file:") == 0)
 765                                         {
 766                                         blank = TRUE;
 767                                         }
 768                                 }
 769                         }
 770
 771                 if (blank || cmd_list || path) g_string_append(command, " --blank");
 772                 if (get_debug_level()) g_string_append(command, " --debug");
 773
 774                 g_string_append(command, " &");
 775                 runcmd(command->str);
 776                 g_string_free(command, TRUE);
 777
 778                 while (!rc && retry_count > 0)
 779                         {
 780                         usleep((retry_count > 10) ? 500000 : 1000000);
 781                         rc = remote_client_open(buf);
 782                         if (!rc) print_term(".");
 783                         retry_count--;
 784                         }
 785
 786                 print_term("\n");
 787
 788                 started = TRUE;
 789                 }
 790         g_free(buf);
 791
 792         if (rc)
 793                 {
 794                 GList *work;
 795                 const gchar *prefix;
 796                 gboolean use_path = TRUE;
 797                 gboolean sent = FALSE;
 798
 799                 work = remote_list;
 800                 while (work)
 801                         {
 802                         gchar *text;
 803                         RemoteCommandEntry *entry;
 804
 805                         text = work->data;
 806                         work = work->next;
 807
 808                         entry = remote_command_find(text, NULL);
 809                         if (entry &&
 810                             entry->opt_l &&
 811                             strcmp(entry->opt_l, "file:") == 0) use_path = FALSE;
 812
 813                         remote_client_send(rc, text);
 814
 815                         sent = TRUE;
 816                         }
 817
 818                 if (cmd_list && cmd_list->next)
 819                         {
 820                         prefix = "--list-add:";
 821                         remote_client_send(rc, "--list-clear");
 822                         }
 823                 else
 824                         {
 825                         prefix = "file:";
 826                         }
 827
 828                 work = cmd_list;
 829                 while (work)
 830                         {
 831                         FileData *fd;
 832                         gchar *text;
 833
 834                         fd = work->data;
 835                         work = work->next;
 836
 837                         text = g_strconcat(prefix, fd->path, NULL);
 838                         remote_client_send(rc, text);
 839                         g_free(text);
 840
 841                         sent = TRUE;
 842                         }
 843
 844                 if (path && !cmd_list && use_path)
 845                         {
 846                         gchar *text;
 847
 848                         text = g_strdup_printf("file:%s", path);
 849                         remote_client_send(rc, text);
 850                         g_free(text);
 851
 852                         sent = TRUE;
 853                         }
 854
 855                 work = collection_list;
 856                 while (work)
 857                         {
 858                         const gchar *name;
 859                         gchar *text;
 860
 861                         name = work->data;
 862                         work = work->next;
 863
 864                         text = g_strdup_printf("file:%s", name);
 865                         remote_client_send(rc, text);
 866                         g_free(text);
 867
 868                         sent = TRUE;
 869                         }
 870
 871                 if (!started && !sent)
 872                         {
 873                         remote_client_send(rc, "raise");
 874                         }
 875                 }
 876         else
 877                 {
 878                 print_term(_("Remote not available\n"));
 879                 }
 880
 881         _exit(0);
 882 }
 883
 884 RemoteConnection *remote_server_init(gchar *path, CollectionData *command_collection)
 885 {
 886         RemoteConnection *remote_connection = remote_server_open(path);
 887         RemoteData *remote_data = g_new(RemoteData, 1);
 888
 889         remote_data->command_collection = command_collection;
 890
 891         remote_server_subscribe(remote_connection, remote_cb, remote_data);
 892         return remote_connection;
 893 }
 894 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */