pbx/pbx_gtkconsole.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 1999 - 2005, Digium, Inc.
   5  *
   6  * Mark Spencer <markster@digium.com>
   7  *
   8  * See http://www.asterisk.org for more information about
   9  * the Asterisk project. Please do not directly contact
  10  * any of the maintainers of this project for assistance;
  11  * the project provides a web site, mailing lists and IRC
  12  * channels for your use.
  13  *
  14  * This program is free software, distributed under the terms of
  15  * the GNU General Public License Version 2. See the LICENSE file
  16  * at the top of the source tree.
  17  */
  18
  19 /*! \file
  20  *
  21  * \brief GTK Console monitor -- very kludgy right now
  22  *
  23  */
  24
  25 /*** MODULEINFO
  26         <depend>gtk</depend>
  27         <defaultenabled>no</defaultenabled>
  28  ***/
  29
  30 #include "asterisk.h"
  31
  32 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  33
  34 #include <sys/types.h>
  35 #include <stdlib.h>
  36 #include <fcntl.h>
  37 #include <unistd.h>
  38 #include <stdio.h>
  39 #include <string.h>
  40 #include <stdarg.h>
  41 #include <signal.h>
  42 #include <sys/time.h>
  43
  44 #include <gtk/gtk.h>
  45 #include <glib.h>
  46
  47 #include "asterisk/pbx.h"
  48 #include "asterisk/config.h"
  49 #include "asterisk/module.h"
  50 #include "asterisk/logger.h"
  51 #include "asterisk/options.h"
  52 #include "asterisk/cli.h"
  53 #include "asterisk/utils.h"
  54 #include "asterisk/paths.h"
  55 #include "asterisk/term.h"
  56
  57 AST_MUTEX_DEFINE_STATIC(verb_lock);
  58
  59 static pthread_t console_thread;
  60
  61 static int inuse=0;
  62 static int clipipe[2];
  63 static int cleanupid = -1;
  64
  65 static GtkWidget *window;
  66 static GtkWidget *quit;
  67 static GtkWidget *closew;
  68 static GtkWidget *verb;
  69 static GtkWidget *modules;
  70 static GtkWidget *statusbar;
  71 static GtkWidget *cli;
  72
  73 static struct timeval last;
  74
  75 static void update_statusbar(char *msg)
  76 {
  77         gtk_statusbar_pop(GTK_STATUSBAR(statusbar), 1);
  78         gtk_statusbar_push(GTK_STATUSBAR(statusbar), 1, msg);
  79 }
  80
  81 static int unload_module(void)
  82 {
  83         if (inuse) {
  84                 /* Kill off the main thread */
  85                 pthread_cancel(console_thread);
  86                 gdk_threads_enter();
  87                 gtk_widget_destroy(window);
  88                 gdk_threads_leave();
  89                 close(clipipe[0]);
  90                 close(clipipe[1]);
  91         }
  92         return 0;
  93 }
  94
  95 static int cleanup(void *useless)
  96 {
  97         gdk_threads_enter();
  98         gtk_clist_thaw(GTK_CLIST(verb));
  99         gtk_widget_queue_resize(verb->parent);
 100         gtk_clist_moveto(GTK_CLIST(verb), GTK_CLIST(verb)->rows - 1, 0, 0, 0);
 101         cleanupid = -1;
 102         gdk_threads_leave();
 103         return 0;
 104 }
 105
 106
 107 static void __verboser(const char *_stuff)
 108 {
 109         char *s2[2];
 110         struct timeval tv;
 111         int ms;
 112         char *stuff;
 113
 114         stuff = ast_strdupa(_stuff);
 115         term_strip(stuff, stuff, strlen(stuff) + 1);
 116
 117         s2[0] = (char *)stuff;
 118         s2[1] = NULL;
 119         gtk_clist_freeze(GTK_CLIST(verb));
 120         gtk_clist_append(GTK_CLIST(verb), s2);
 121         if (!ast_tvzero(last)) {
 122                 gdk_threads_leave();
 123                 gettimeofday(&tv, NULL);
 124                 if (cleanupid > -1)
 125                         gtk_timeout_remove(cleanupid);
 126                 ms = ast_tvdiff_ms(tv, last);
 127                 if (ms < 100) {
 128                         /* We just got a message within 100ms, so just schedule an update
 129                            in the near future */
 130                         cleanupid = gtk_timeout_add(200, cleanup, NULL);
 131                 } else {
 132                         cleanup(&cleanupid);
 133                 }
 134                 last = tv;
 135         } else {
 136                 gettimeofday(&last, NULL);
 137         }
 138 }
 139
 140 static void verboser(const char *stuff)
 141 {
 142         ast_mutex_lock(&verb_lock);
 143         /* Lock appropriately if we're really being called in verbose mode */
 144         __verboser(stuff);
 145         ast_mutex_unlock(&verb_lock);
 146 }
 147
 148 static void cliinput(void *data, int source, GdkInputCondition ic)
 149 {
 150         static char buf[256];
 151         static int offset = 0;
 152         int res;
 153         char *c;
 154         char *l;
 155         char n;
 156         /* Read as much stuff is there */
 157         res = read(source, buf + offset, sizeof(buf) - 1 - offset);
 158         if (res > -1)
 159                 buf[res + offset] = '\0';
 160         /* make sure we've null terminated whatever we have so far */
 161         c = buf;
 162         l = buf;
 163         while(*c) {
 164                 if (*c == '\n') {
 165                         /* Keep the trailing \n */
 166                         c++;
 167                         n = *c;
 168                         *c = '\0';
 169                         __verboser(l);
 170                         *(c - 1) = '\0';
 171                         *c = n;
 172                         l = c;
 173                 } else
 174                 c++;
 175         }
 176         if (strlen(l)) {
 177                 /* We have some left over */
 178                 memmove(buf, l, strlen(l) + 1);
 179                 offset = strlen(buf);
 180         } else {
 181                 offset = 0;
 182         }
 183
 184 }
 185
 186 static void remove_module(void)
 187 {
 188         int res;
 189         char *module;
 190         char buf[256];
 191         if (GTK_CLIST(modules)->selection) {
 192                 module = (char *) gtk_clist_get_row_data(GTK_CLIST(modules), (long) GTK_CLIST(modules)->selection->data);
 193                 gdk_threads_leave();
 194                 res = ast_unload_resource(module, 0);
 195                 gdk_threads_enter();
 196                 if (res) {
 197                         snprintf(buf, sizeof(buf), "Module '%s' is in use", module);
 198                         update_statusbar(buf);
 199                 } else {
 200                         snprintf(buf, sizeof(buf), "Module '%s' removed", module);
 201                         update_statusbar(buf);
 202                 }
 203         }
 204 }
 205
 206 static int reload(void)
 207 {
 208         int res, x;
 209         char *module;
 210         char buf[256];
 211         if (GTK_CLIST(modules)->selection) {
 212                 module= (char *)gtk_clist_get_row_data(GTK_CLIST(modules), (long) GTK_CLIST(modules)->selection->data);
 213                 module = strdup(module);
 214                 if (module) {
 215                         gdk_threads_leave();
 216                         res = ast_unload_resource(module, 0);
 217                         gdk_threads_enter();
 218                         if (res) {
 219                                 snprintf(buf, sizeof(buf), "Module '%s' is in use", module);
 220                                 update_statusbar(buf);
 221                         } else {
 222                                 gdk_threads_leave();
 223                                 res = ast_load_resource(module);
 224                                 gdk_threads_enter();
 225                                 if (res) {
 226                                         snprintf(buf, sizeof(buf), "Error reloading module '%s'", module);
 227                                 } else {
 228                                         snprintf(buf, sizeof(buf), "Module '%s' reloaded", module);
 229                                 }
 230                                 for (x=0; x < GTK_CLIST(modules)->rows; x++) {
 231                                         if (!strcmp((char *)gtk_clist_get_row_data(GTK_CLIST(modules), x), module)) {
 232                                                 gtk_clist_select_row(GTK_CLIST(modules), x, -1);
 233                                                 break;
 234                                         }
 235                                 }
 236                                 update_statusbar(buf);
 237
 238                         }
 239                         free(module);
 240                 }
 241         }
 242
 243         return 0;
 244 }
 245
 246 static void file_ok_sel(GtkWidget *w, GtkFileSelection *fs)
 247 {
 248         char tmp[PATH_MAX];
 249         char *module = gtk_file_selection_get_filename(fs);
 250         char buf[256];
 251         snprintf(tmp, sizeof(tmp), "%s/", ast_config_AST_MODULE_DIR);
 252         if (!strncmp(module, (char *)tmp, strlen(tmp)))
 253                 module += strlen(tmp);
 254         gdk_threads_leave();
 255         if (ast_load_resource(module)) {
 256                 snprintf(buf, sizeof(buf), "Error loading module '%s'.", module);
 257                 update_statusbar(buf);
 258         } else {
 259                 snprintf(buf, sizeof(buf), "Module '%s' loaded", module);
 260                 update_statusbar(buf);
 261         }
 262         gdk_threads_enter();
 263         gtk_widget_destroy(GTK_WIDGET(fs));
 264 }
 265
 266 static void add_module(void)
 267 {
 268         char tmp[PATH_MAX];
 269         GtkWidget *filew;
 270         snprintf(tmp, sizeof(tmp), "%s/*.so", ast_config_AST_MODULE_DIR);
 271         filew = gtk_file_selection_new("Load Module");
 272         gtk_signal_connect(GTK_OBJECT (GTK_FILE_SELECTION(filew)->ok_button),
 273                                         "clicked", GTK_SIGNAL_FUNC(file_ok_sel), filew);
 274         gtk_signal_connect_object(GTK_OBJECT (GTK_FILE_SELECTION(filew)->cancel_button),
 275                                         "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT(filew));
 276         gtk_file_selection_set_filename(GTK_FILE_SELECTION(filew), (char *)tmp);
 277         gtk_widget_show(filew);
 278 }
 279
 280 static int add_mod(const char *module, const char *description, int usecount, const char *like)
 281 {
 282         char use[10];
 283         const char *pass[4];
 284         int row;
 285         snprintf(use, sizeof(use), "%d", usecount);
 286         pass[0] = module;
 287         pass[1] = description;
 288         pass[2] = use;
 289         pass[3] = NULL;
 290         row = gtk_clist_append(GTK_CLIST(modules), (char **) pass);
 291         gtk_clist_set_row_data(GTK_CLIST(modules), row, (char *) module);
 292         return 0;
 293 }
 294
 295 static int mod_update(void)
 296 {
 297         char *module= NULL;
 298         /* Update the mod stuff */
 299         if (GTK_CLIST(modules)->selection) {
 300                 module= (char *)gtk_clist_get_row_data(GTK_CLIST(modules), (long) GTK_CLIST(modules)->selection->data);
 301         }
 302         gtk_clist_freeze(GTK_CLIST(modules));
 303         gtk_clist_clear(GTK_CLIST(modules));
 304         ast_update_module_list(add_mod, NULL);
 305         if (module)
 306                 gtk_clist_select_row(GTK_CLIST(modules), gtk_clist_find_row_from_data(GTK_CLIST(modules), module), -1);
 307         gtk_clist_thaw(GTK_CLIST(modules));
 308         return 1;
 309 }
 310
 311 static void exit_now(GtkWidget *widget, gpointer data)
 312 {
 313         ast_loader_unregister(mod_update);
 314         gtk_main_quit();
 315         inuse--;
 316         ast_update_use_count();
 317         ast_unregister_verbose(verboser);
 318         ast_unload_resource("pbx_gtkconsole", 0);
 319         if (option_verbose > 1)
 320                 ast_verbose(VERBOSE_PREFIX_2 "GTK Console Monitor Exiting\n");
 321         /* XXX Trying to quit after calling this makes asterisk segfault XXX */
 322 }
 323
 324 static void exit_completely(GtkWidget *widget, gpointer data)
 325 {
 326 #if 0
 327         /* Clever... */
 328         ast_cli_command(clipipe[1], "quit");
 329 #else
 330         kill(getpid(), SIGTERM);
 331 #endif
 332 }
 333
 334 static void exit_nicely(GtkWidget *widget, gpointer data)
 335 {
 336         fflush(stdout);
 337         gtk_widget_destroy(window);
 338 }
 339
 340 static void *consolethread(void *data)
 341 {
 342         gtk_widget_show(window);
 343         gdk_threads_enter();
 344         gtk_main();
 345         gdk_threads_leave();
 346         return NULL;
 347 }
 348
 349 static int cli_activate(void)
 350 {
 351         char buf[256] = "";
 352         strncpy(buf, gtk_entry_get_text(GTK_ENTRY(cli)), sizeof(buf) - 1);
 353         gtk_entry_set_text(GTK_ENTRY(cli), "");
 354         if (strlen(buf)) {
 355                 ast_cli_command(clipipe[1], buf);
 356         }
 357         return TRUE;
 358 }
 359
 360 static int show_console(void)
 361 {
 362         GtkWidget *hbox;
 363         GtkWidget *wbox;
 364         GtkWidget *notebook;
 365         GtkWidget *sw;
 366         GtkWidget *bbox, *hbbox, *add, *removew, *reloadw;
 367         char *modtitles[3] = { "Module", "Description", "Use Count" };
 368         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 369
 370         statusbar = gtk_statusbar_new();
 371         gtk_widget_show(statusbar);
 372
 373         gtk_signal_connect(GTK_OBJECT(window), "delete_event",
 374                         GTK_SIGNAL_FUNC (exit_nicely), window);
 375         gtk_signal_connect(GTK_OBJECT(window), "destroy",
 376                         GTK_SIGNAL_FUNC (exit_now), window);
 377         gtk_container_set_border_width(GTK_CONTAINER(window), 10);
 378
 379         quit = gtk_button_new_with_label("Quit Asterisk");
 380         gtk_signal_connect(GTK_OBJECT(quit), "clicked",
 381                         GTK_SIGNAL_FUNC (exit_completely), window);
 382         gtk_widget_show(quit);
 383
 384         closew = gtk_button_new_with_label("Close Window");
 385         gtk_signal_connect(GTK_OBJECT(closew), "clicked",
 386                         GTK_SIGNAL_FUNC (exit_nicely), window);
 387         gtk_widget_show(closew);
 388
 389         notebook = gtk_notebook_new();
 390         verb = gtk_clist_new(1);
 391         gtk_clist_columns_autosize(GTK_CLIST(verb));
 392         sw = gtk_scrolled_window_new(NULL, NULL);
 393         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
 394         gtk_container_add(GTK_CONTAINER(sw), verb);
 395         gtk_widget_show(verb);
 396         gtk_widget_show(sw);
 397         gtk_widget_set_usize(verb, 640, 400);
 398         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), sw, gtk_label_new("Verbose Status"));
 399
 400
 401         modules = gtk_clist_new_with_titles(3, modtitles);
 402         gtk_clist_columns_autosize(GTK_CLIST(modules));
 403         gtk_clist_set_column_auto_resize(GTK_CLIST(modules), 0, TRUE);
 404         gtk_clist_set_column_auto_resize(GTK_CLIST(modules), 1, TRUE);
 405         gtk_clist_set_column_auto_resize(GTK_CLIST(modules), 2, TRUE);
 406         gtk_clist_set_sort_column(GTK_CLIST(modules), 0);
 407         gtk_clist_set_auto_sort(GTK_CLIST(modules), TRUE);
 408         gtk_clist_column_titles_passive(GTK_CLIST(modules));
 409         sw = gtk_scrolled_window_new(NULL, NULL);
 410         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
 411         gtk_container_add(GTK_CONTAINER(sw), modules);
 412         gtk_clist_set_selection_mode(GTK_CLIST(modules), GTK_SELECTION_BROWSE);
 413         gtk_widget_show(modules);
 414         gtk_widget_show(sw);
 415
 416         add = gtk_button_new_with_label("Load...");
 417         gtk_widget_show(add);
 418         removew = gtk_button_new_with_label("Unload");
 419         gtk_widget_show(removew);
 420         reloadw = gtk_button_new_with_label("Reload");
 421         gtk_widget_show(reloadw);
 422         gtk_signal_connect(GTK_OBJECT(removew), "clicked",
 423                         GTK_SIGNAL_FUNC (remove_module), window);
 424         gtk_signal_connect(GTK_OBJECT(add), "clicked",
 425                         GTK_SIGNAL_FUNC (add_module), window);
 426         gtk_signal_connect(GTK_OBJECT(reloadw), "clicked",
 427                         GTK_SIGNAL_FUNC (reload), window);
 428
 429         bbox = gtk_vbox_new(FALSE, 5);
 430         gtk_widget_show(bbox);
 431
 432         gtk_widget_set_usize(bbox, 100, -1);
 433         gtk_box_pack_start(GTK_BOX(bbox), add, FALSE, FALSE, 5);
 434         gtk_box_pack_start(GTK_BOX(bbox), removew, FALSE, FALSE, 5);
 435         gtk_box_pack_start(GTK_BOX(bbox), reloadw, FALSE, FALSE, 5);
 436
 437         hbbox = gtk_hbox_new(FALSE, 5);
 438         gtk_widget_show(hbbox);
 439
 440         gtk_box_pack_start(GTK_BOX(hbbox), sw, TRUE, TRUE, 5);
 441         gtk_box_pack_start(GTK_BOX(hbbox), bbox, FALSE, FALSE, 5);
 442
 443         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), hbbox, gtk_label_new("Module Information"));
 444
 445         gtk_widget_show(notebook);
 446
 447         wbox = gtk_hbox_new(FALSE, 5);
 448         gtk_widget_show(wbox);
 449         gtk_box_pack_end(GTK_BOX(wbox), quit, FALSE, FALSE, 5);
 450         gtk_box_pack_end(GTK_BOX(wbox), closew, FALSE, FALSE, 5);
 451
 452         hbox = gtk_vbox_new(FALSE, 0);
 453         gtk_widget_show(hbox);
 454
 455         /* Command line */
 456         cli = gtk_entry_new();
 457         gtk_widget_show(cli);
 458
 459         gtk_signal_connect(GTK_OBJECT(cli), "activate",
 460                         GTK_SIGNAL_FUNC (cli_activate), NULL);
 461
 462         gtk_box_pack_start(GTK_BOX(hbox), notebook, TRUE, TRUE, 5);
 463         gtk_box_pack_start(GTK_BOX(hbox), wbox, FALSE, FALSE, 5);
 464         gtk_box_pack_start(GTK_BOX(hbox), cli, FALSE, FALSE, 0);
 465         gtk_box_pack_start(GTK_BOX(hbox), statusbar, FALSE, FALSE, 0);
 466         gtk_container_add(GTK_CONTAINER(window), hbox);
 467         gtk_window_set_title(GTK_WINDOW(window), "Asterisk Console");
 468         gtk_widget_grab_focus(cli);
 469         ast_pthread_create(&console_thread, NULL, consolethread, NULL);
 470         /* XXX Okay, seriously fix me! XXX */
 471         usleep(100000);
 472         ast_register_verbose(verboser);
 473         gtk_clist_freeze(GTK_CLIST(verb));
 474         ast_loader_register(mod_update);
 475         gtk_clist_thaw(GTK_CLIST(verb));
 476         gdk_input_add(clipipe[0], GDK_INPUT_READ, cliinput, NULL);
 477         mod_update();
 478         update_statusbar("Asterisk Console Ready");
 479         return 0;
 480 }
 481
 482
 483 static int load_module(void)
 484 {
 485         if (pipe(clipipe)) {
 486                 ast_log(LOG_WARNING, "Unable to create CLI pipe\n");
 487                 return -1;
 488         }
 489         g_thread_init(NULL);
 490         if (gtk_init_check(NULL, NULL))  {
 491                 if (!show_console()) {
 492                         inuse++;
 493                         ast_update_use_count();
 494                         if (option_verbose > 1)
 495                                 ast_verbose( VERBOSE_PREFIX_2 "Launched GTK Console monitor\n");
 496                 } else
 497                         ast_log(LOG_WARNING, "Unable to start GTK console\n");
 498         } else {
 499                 if (option_debug)
 500                         ast_log(LOG_DEBUG, "Unable to start GTK console monitor -- ignoring\n");
 501                 else if (option_verbose > 1)
 502                         ast_verbose( VERBOSE_PREFIX_2 "GTK is not available -- skipping monitor\n");
 503         }
 504         return 0;
 505 }
 506
 507 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "GTK Console",
 508                 .load = load_module,
 509                 .unload = unload_module,
 510                 .reload = reload,
 511                );