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* Asterisk -- An open source telephony toolkit.
* Copyright (C) 1999 - 2005, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*
*
* GTK Console monitor -- very kludgy right now
*
*/
/*
* I know this might seem somewhat pointless in its current phase, but one
* of the most important parts of this module is demonstrate that modules
* can require other external libraries and still be loaded (in this
* case, a host of libraries involving gtk), so long as they are properly
* linked (see the Makefile)
*/
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
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#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/pbx.h"
#include "asterisk/config.h"
#include "asterisk/module.h"
#include "asterisk/logger.h"
#include "asterisk/options.h"
#include "asterisk/cli.h"
#include "asterisk/utils.h"
AST_MUTEX_DEFINE_STATIC(verb_lock);
static pthread_t console_thread;
static int inuse=0;
static int clipipe[2];
static int cleanupid = -1;
static char *dtext = "Asterisk PBX Console (GTK Version)";
static GtkWidget *window;
static GtkWidget *quit;
static GtkWidget *closew;
static GtkWidget *verb;
static GtkWidget *modules;
static GtkWidget *statusbar;
static GtkWidget *cli;
static struct timeval last;
static void update_statusbar(char *msg)
{
gtk_statusbar_pop(GTK_STATUSBAR(statusbar), 1);
gtk_statusbar_push(GTK_STATUSBAR(statusbar), 1, msg);
}
int unload_module(void)
{
if (inuse) {
/* Kill off the main thread */
pthread_cancel(console_thread);
gdk_threads_enter();
gtk_widget_destroy(window);
gdk_threads_leave();
static int cleanup(void *useless)
{
gdk_threads_enter();
gtk_clist_thaw(GTK_CLIST(verb));
gtk_widget_queue_resize(verb->parent);
gtk_clist_moveto(GTK_CLIST(verb), GTK_CLIST(verb)->rows - 1, 0, 0, 0);
cleanupid = -1;
gdk_threads_leave();
return 0;
}
static void __verboser(const char *stuff, int opos, int replacelast, int complete)
if (replacelast)
gtk_clist_remove(GTK_CLIST(verb), GTK_CLIST(verb)->rows - 1);
gtk_clist_append(GTK_CLIST(verb), s2);
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if (!ast_tvzero(last)) {
gdk_threads_leave();
gettimeofday(&tv, NULL);
if (cleanupid > -1)
gtk_timeout_remove(cleanupid);
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ms = ast_tvdiff_ms(tv, last);
if (ms < 100) {
/* We just got a message within 100ms, so just schedule an update
in the near future */
cleanupid = gtk_timeout_add(200, cleanup, NULL);
} else {
cleanup(&cleanupid);
}
last = tv;
} else {
gettimeofday(&last, NULL);
}
}
static void verboser(const char *stuff, int opos, int replacelast, int complete)
ast_mutex_lock(&verb_lock);
/* Lock appropriately if we're really being called in verbose mode */
__verboser(stuff, opos, replacelast, complete);
ast_mutex_unlock(&verb_lock);
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static void cliinput(void *data, int source, GdkInputCondition ic)
{
static char buf[256];
static int offset = 0;
int res;
char *c;
char *l;
char n;
/* Read as much stuff is there */
res = read(source, buf + offset, sizeof(buf) - 1 - offset);
if (res > -1)
buf[res + offset] = '\0';
/* make sure we've null terminated whatever we have so far */
c = buf;
l = buf;
while(*c) {
if (*c == '\n') {
/* Keep the trailing \n */
c++;
n = *c;
*c = '\0';
__verboser(l, 0, 0, 1);
*(c - 1) = '\0';
*c = n;
l = c;
} else
c++;
}
if (strlen(l)) {
/* We have some left over */
memmove(buf, l, strlen(l) + 1);
offset = strlen(buf);
} else {
offset = 0;
}
}
{
int res;
char *module;
char buf[256];
if (GTK_CLIST(modules)->selection) {
module= (char *)gtk_clist_get_row_data(GTK_CLIST(modules), (int) GTK_CLIST(modules)->selection->data);
gdk_threads_leave();
res = ast_unload_resource(module, 0);
gdk_threads_enter();
if (res) {
snprintf(buf, sizeof(buf), "Module '%s' is in use", module);
update_statusbar(buf);
} else {
snprintf(buf, sizeof(buf), "Module '%s' removed", module);
update_statusbar(buf);
}
}
}
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{
int res, x;
char *module;
char buf[256];
if (GTK_CLIST(modules)->selection) {
module= (char *)gtk_clist_get_row_data(GTK_CLIST(modules), (int) GTK_CLIST(modules)->selection->data);
module = strdup(module);
if (module) {
gdk_threads_leave();
res = ast_unload_resource(module, 0);
gdk_threads_enter();
if (res) {
snprintf(buf, sizeof(buf), "Module '%s' is in use", module);
update_statusbar(buf);
} else {
gdk_threads_leave();
res = ast_load_resource(module);
gdk_threads_enter();
if (res) {
snprintf(buf, sizeof(buf), "Error reloading module '%s'", module);
} else {
snprintf(buf, sizeof(buf), "Module '%s' reloaded", module);
}
for (x=0; x < GTK_CLIST(modules)->rows; x++) {
if (!strcmp((char *)gtk_clist_get_row_data(GTK_CLIST(modules), x), module)) {
gtk_clist_select_row(GTK_CLIST(modules), x, -1);
break;
}
}
update_statusbar(buf);
}
free(module);
}
}
}
static void file_ok_sel(GtkWidget *w, GtkFileSelection *fs)
{
char *module = gtk_file_selection_get_filename(fs);
char buf[256];
snprintf(tmp, sizeof(tmp), "%s/", ast_config_AST_MODULE_DIR);
if (!strncmp(module, (char *)tmp, strlen(tmp)))
module += strlen(tmp);
gdk_threads_leave();
if (ast_load_resource(module)) {
snprintf(buf, sizeof(buf), "Error loading module '%s'.", module);
update_statusbar(buf);
} else {
snprintf(buf, sizeof(buf), "Module '%s' loaded", module);
update_statusbar(buf);
}
gdk_threads_enter();
gtk_widget_destroy(GTK_WIDGET(fs));
}
snprintf(tmp, sizeof(tmp), "%s/*.so", ast_config_AST_MODULE_DIR);
filew = gtk_file_selection_new("Load Module");
gtk_signal_connect(GTK_OBJECT (GTK_FILE_SELECTION(filew)->ok_button),
"clicked", GTK_SIGNAL_FUNC(file_ok_sel), filew);
gtk_signal_connect_object(GTK_OBJECT (GTK_FILE_SELECTION(filew)->cancel_button),
"clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT(filew));
gtk_file_selection_set_filename(GTK_FILE_SELECTION(filew), (char *)tmp);
static int add_mod(const char *module, const char *description, int usecount, const char *like)
{
char use[10];
char *pass[4];
int row;
snprintf(use, sizeof(use), "%d", usecount);
pass[0] = module;
pass[1] = description;
pass[2] = use;
pass[3] = NULL;
row = gtk_clist_append(GTK_CLIST(modules), pass);
gtk_clist_set_row_data(GTK_CLIST(modules), row, module);
return 0;
}
static int mod_update(void)
{
char *module= NULL;
/* Update the mod stuff */
if (GTK_CLIST(modules)->selection) {
module= (char *)gtk_clist_get_row_data(GTK_CLIST(modules), (int) GTK_CLIST(modules)->selection->data);
}
gtk_clist_freeze(GTK_CLIST(modules));
gtk_clist_clear(GTK_CLIST(modules));
ast_update_module_list(add_mod, NULL);
if (module)
gtk_clist_select_row(GTK_CLIST(modules), gtk_clist_find_row_from_data(GTK_CLIST(modules), module), -1);
gtk_clist_thaw(GTK_CLIST(modules));
return 1;
}
static void exit_now(GtkWidget *widget, gpointer data)
{
ast_loader_unregister(mod_update);
gtk_main_quit();
inuse--;
ast_update_use_count();
ast_unregister_verbose(verboser);
ast_unload_resource("pbx_gtkconsole", 0);
if (option_verbose > 1)
ast_verbose(VERBOSE_PREFIX_2 "GTK Console Monitor Exiting\n");
/* XXX Trying to quit after calling this makes asterisk segfault XXX */
}
static void exit_completely(GtkWidget *widget, gpointer data)
{
#if 0
/* Clever... */
ast_cli_command(clipipe[1], "quit");
#else
kill(getpid(), SIGTERM);
#endif
}
static void exit_nicely(GtkWidget *widget, gpointer data)
{
fflush(stdout);
gtk_widget_destroy(window);
}
static void *consolethread(void *data)
{
gtk_widget_show(window);
gdk_threads_enter();
gtk_main();
gdk_threads_leave();
return NULL;
}
char buf[256] = "";
strncpy(buf, gtk_entry_get_text(GTK_ENTRY(cli)), sizeof(buf) - 1);
gtk_entry_set_text(GTK_ENTRY(cli), "");
if (strlen(buf)) {
ast_cli_command(clipipe[1], buf);
}
return TRUE;
}
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{
GtkWidget *hbox;
GtkWidget *wbox;
GtkWidget *notebook;
GtkWidget *sw;
GtkWidget *bbox, *hbbox, *add, *removew, *reloadw;
char *modtitles[3] = { "Module", "Description", "Use Count" };
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
statusbar = gtk_statusbar_new();
gtk_widget_show(statusbar);
gtk_signal_connect(GTK_OBJECT(window), "delete_event",
GTK_SIGNAL_FUNC (exit_nicely), window);
gtk_signal_connect(GTK_OBJECT(window), "destroy",
GTK_SIGNAL_FUNC (exit_now), window);
gtk_container_set_border_width(GTK_CONTAINER(window), 10);
quit = gtk_button_new_with_label("Quit Asterisk");
gtk_signal_connect(GTK_OBJECT(quit), "clicked",
GTK_SIGNAL_FUNC (exit_completely), window);
gtk_widget_show(quit);
closew = gtk_button_new_with_label("Close Window");
gtk_signal_connect(GTK_OBJECT(closew), "clicked",
GTK_SIGNAL_FUNC (exit_nicely), window);
gtk_widget_show(closew);
notebook = gtk_notebook_new();
verb = gtk_clist_new(1);
gtk_clist_columns_autosize(GTK_CLIST(verb));
sw = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
gtk_container_add(GTK_CONTAINER(sw), verb);
gtk_widget_show(verb);
gtk_widget_show(sw);
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gtk_notebook_append_page(GTK_NOTEBOOK(notebook), sw, gtk_label_new("Verbose Status"));
modules = gtk_clist_new_with_titles(3, modtitles);
gtk_clist_columns_autosize(GTK_CLIST(modules));
gtk_clist_set_column_auto_resize(GTK_CLIST(modules), 0, TRUE);
gtk_clist_set_column_auto_resize(GTK_CLIST(modules), 1, TRUE);
gtk_clist_set_column_auto_resize(GTK_CLIST(modules), 2, TRUE);
gtk_clist_set_sort_column(GTK_CLIST(modules), 0);
gtk_clist_set_auto_sort(GTK_CLIST(modules), TRUE);
gtk_clist_column_titles_passive(GTK_CLIST(modules));
sw = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
gtk_container_add(GTK_CONTAINER(sw), modules);
gtk_clist_set_selection_mode(GTK_CLIST(modules), GTK_SELECTION_BROWSE);
gtk_widget_show(modules);
gtk_widget_show(sw);
add = gtk_button_new_with_label("Load...");
gtk_widget_show(add);
removew = gtk_button_new_with_label("Unload");
gtk_widget_show(removew);
reloadw = gtk_button_new_with_label("Reload");
gtk_widget_show(reloadw);
gtk_signal_connect(GTK_OBJECT(removew), "clicked",
GTK_SIGNAL_FUNC (remove_module), window);
gtk_signal_connect(GTK_OBJECT(add), "clicked",
GTK_SIGNAL_FUNC (add_module), window);
gtk_signal_connect(GTK_OBJECT(reloadw), "clicked",
GTK_SIGNAL_FUNC (reload_module), window);
bbox = gtk_vbox_new(FALSE, 5);
gtk_widget_show(bbox);
gtk_widget_set_usize(bbox, 100, -1);
gtk_box_pack_start(GTK_BOX(bbox), add, FALSE, FALSE, 5);
gtk_box_pack_start(GTK_BOX(bbox), removew, FALSE, FALSE, 5);
gtk_box_pack_start(GTK_BOX(bbox), reloadw, FALSE, FALSE, 5);
hbbox = gtk_hbox_new(FALSE, 5);
gtk_widget_show(hbbox);
gtk_box_pack_start(GTK_BOX(hbbox), sw, TRUE, TRUE, 5);
gtk_box_pack_start(GTK_BOX(hbbox), bbox, FALSE, FALSE, 5);
gtk_notebook_append_page(GTK_NOTEBOOK(notebook), hbbox, gtk_label_new("Module Information"));
gtk_widget_show(notebook);
wbox = gtk_hbox_new(FALSE, 5);
gtk_widget_show(wbox);
gtk_box_pack_end(GTK_BOX(wbox), quit, FALSE, FALSE, 5);
gtk_box_pack_end(GTK_BOX(wbox), closew, FALSE, FALSE, 5);
hbox = gtk_vbox_new(FALSE, 0);
gtk_widget_show(hbox);
/* Command line */
cli = gtk_entry_new();
gtk_widget_show(cli);
gtk_signal_connect(GTK_OBJECT(cli), "activate",
GTK_SIGNAL_FUNC (cli_activate), NULL);
gtk_box_pack_start(GTK_BOX(hbox), notebook, TRUE, TRUE, 5);
gtk_box_pack_start(GTK_BOX(hbox), wbox, FALSE, FALSE, 5);
gtk_box_pack_start(GTK_BOX(hbox), cli, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(hbox), statusbar, FALSE, FALSE, 0);
gtk_container_add(GTK_CONTAINER(window), hbox);
gtk_window_set_title(GTK_WINDOW(window), "Asterisk Console");
ast_pthread_create(&console_thread, NULL, consolethread, NULL);
/* XXX Okay, seriously fix me! XXX */
usleep(100000);
ast_register_verbose(verboser);
gtk_clist_freeze(GTK_CLIST(verb));
ast_loader_register(mod_update);
gtk_clist_thaw(GTK_CLIST(verb));
gdk_input_add(clipipe[0], GDK_INPUT_READ, cliinput, NULL);
mod_update();
update_statusbar("Asterisk Console Ready");
return 0;
}
int load_module(void)
{
if (pipe(clipipe)) {
ast_log(LOG_WARNING, "Unable to create CLI pipe\n");
return -1;
}
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g_thread_init(NULL);
if (gtk_init_check(NULL, NULL)) {
if (!show_console()) {
inuse++;
ast_update_use_count();
if (option_verbose > 1)
ast_verbose( VERBOSE_PREFIX_2 "Launched GTK Console monitor\n");
} else
ast_log(LOG_WARNING, "Unable to start GTK console\n");
} else {
if (option_debug)
ast_log(LOG_DEBUG, "Unable to start GTK console monitor -- ignoring\n");
else if (option_verbose > 1)
ast_verbose( VERBOSE_PREFIX_2 "GTK is not available -- skipping monitor\n");
}
return 0;
}
int usecount(void)
{
return inuse;
}
char *description(void)
{
return dtext;
}
char *key(void)
{
return ASTERISK_GPL_KEY;
}