+++ /dev/null
-/*
- mtetherd
- (c) 2010 Gregor Riepl <onitake@gmail.com>
-
- Tethering utility for Maemo
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <pwd.h>
-#include <sys/types.h>
-#include <gtk/gtk.h>
-#include <hildon/hildon.h>
-#include <dbus/dbus-glib-lowlevel.h>
-#include <libhal.h>
-
-#include "status.h"
-
-#define MTETHERD_STATUS_PLUGIN_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE(obj, TYPE_MTETHERD_STATUS_PLUGIN, MTetherDStatusPluginPrivate))
-
-struct _MTetherDStatusPluginPrivate {
- GtkWidget *enable_button;
- gboolean usb_on;
- gboolean net_on;
- DBusGConnection *dbus_connection;
- LibHalContext *hal_context;
-};
-
-static const char *USBDEV_PATH = "/org/freedesktop/Hal/devices/usb_device_1d6b_2_musb_hdrc";
-static const char *USBNET_MODULE = "g_ether";
-
-#ifndef IMAGE_DIR
-#define IMAGE_DIR "/usr/share/pixmaps"
-#endif
-#ifndef SBIN_DIR
-#define SBIN_DIR "/usr/sbin"
-#endif
-
-HD_DEFINE_PLUGIN_MODULE(MTetherDStatusPlugin, mtetherd_status_plugin, HD_TYPE_STATUS_MENU_ITEM);
-
-static void mtetherd_status_plugin_class_finalize(MTetherDStatusPluginClass *klass) { }
-
-static void mtetherd_status_plugin_finalize(GObject *object) {
- g_message("Destroying mtetherd status plugin");
-
- MTetherDStatusPlugin *plugin = MTETHERD_STATUS_PLUGIN(object);
-
- if (plugin && plugin->priv) {
- if (plugin->priv->hal_context) {
- libhal_ctx_shutdown(plugin->priv->hal_context, NULL);
- libhal_ctx_free(plugin->priv->hal_context);
- }
- if (plugin->priv->dbus_connection) {
- dbus_g_connection_unref(plugin->priv->dbus_connection);
- }
- }
-}
-
-static void mtetherd_status_plugin_class_init(MTetherDStatusPluginClass *klass) {
- GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
-
- gobject_class->finalize = mtetherd_status_plugin_finalize;
- g_type_class_add_private(klass, sizeof(MTetherDStatusPluginPrivate));
-}
-
-static gboolean get_usbnet_enabled(MTetherDStatusPlugin *plugin) {
- g_message("Scanning /proc/modules");
- //hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Scanning /proc/modules");
-
- FILE *fp = fopen("/proc/modules", "r");
- if (!fp) {
- return FALSE;
- }
- gboolean found = FALSE;
- char *line = NULL;
- while (!found && getline(&line, NULL, fp) != -1) {
- g_message("Checking if '%s' contains g_ether...", line);
- if (strncmp(line, USBNET_MODULE, sizeof(USBNET_MODULE) - 1) == 0) {
- hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Found g_ether");
- found = TRUE;
- }
- free(line);
- line = NULL;
- }
- fclose(fp);
- return found;
-}
-
-static gboolean launch_usbnet_script(gboolean enable) {
- const char *arg;
- if (enable) {
- arg = SBIN_DIR "mtetherd-usbnet-enable.sh";
- } else {
- arg = SBIN_DIR "mtetherd-usbnet-disable.sh";
- }
- g_debug("Launching %s", arg);
- const char *command[] = { "/usr/bin/sudo", arg, NULL };
- pid_t pid = fork();
- if (pid == 0) {
- if (execv(command[0], (char **const) command) == -1) {
- exit(1);
- }
- } else if (pid == -1) {
- // error forking
- return FALSE;
- }
- // launch ok
- return TRUE;
-}
-
-static void enable_button_set_text(GtkWidget *button, gboolean enabled) {
- if (enabled) {
- hildon_button_set_text(HILDON_BUTTON(button), "Toggle USB Networking", "Enabled");
- } else {
- hildon_button_set_text(HILDON_BUTTON(button), "Toggle USB Networking", "Disabled");
- }
-}
-
-static void enable_button_clicked(GtkWidget *button, gpointer data) {
- MTetherDStatusPlugin *plugin = MTETHERD_STATUS_PLUGIN(data);
-
- if (plugin && plugin->priv && button == plugin->priv->enable_button) {
- if (plugin->priv->net_on) {
- if (!launch_usbnet_script(FALSE)) {
- g_error("Error starting USB networking");
- }
- } else {
- if (!launch_usbnet_script(TRUE)) {
- g_error("Error starting USB networking");
- }
- }
- }
-}
-
-static void mtetherd_status_plugin_usb_plugged_show(MTetherDStatusPlugin *plugin) {
- if (plugin) {
- if (plugin->priv && plugin->priv->hal_context) {
- DBusError derr;
- dbus_error_init(&derr);
- dbus_bool_t plugged = libhal_device_get_property_bool(plugin->priv->hal_context, USBDEV_PATH, "button.state.value", &derr);
- if (dbus_error_is_set(&derr)) {
- g_warning("Error getting USB plugged status (%s): %s", derr.name, derr.message);
- hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Error getting USB plugged status (%s): %s", derr.name, derr.message);
- dbus_error_free(&derr);
- } else {
- plugin->priv->usb_on = plugged;
- if (plugin->priv->usb_on) {
- gtk_widget_show(GTK_WIDGET(plugin));
- } else {
- gtk_widget_hide(GTK_WIDGET(plugin));
- }
- }
- } else {
- // DEBUG
- //gtk_widget_show(GTK_WIDGET(plugin));
- }
- }
-}
-
-static void mtetherd_status_plugin_mapped(GtkWidget *widget, gpointer data) {
- hildon_banner_show_informationf(widget, NULL, "Plugin mapped");
- MTetherDStatusPlugin *plugin = MTETHERD_STATUS_PLUGIN(widget);
-
- if (plugin && plugin->priv) {
- plugin->priv->net_on = get_usbnet_enabled(plugin);
- if (plugin->priv->enable_button) {
- enable_button_set_text(plugin->priv->enable_button, plugin->priv->net_on);
- }
- }
-}
-
-static gboolean mtetherd_status_plugin_event(GtkWidget *widget, GdkEvent *event, gpointer user_data) {
- g_message("Got event %d", event->type);
- return FALSE;
-}
-
-static void mtetherd_status_plugin_device_condition(LibHalContext *ctx, const char *udi, const char *condition, const char *detail) {
- MTetherDStatusPlugin *plugin = MTETHERD_STATUS_PLUGIN(libhal_ctx_get_user_data(ctx));
-
- if (plugin) {
- g_message("Got HAL condition %s on %s: %s", condition, udi, detail);
- //hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Got HAL condition %s on %s: %s", condition, udi, detail);
- if (strcmp(USBDEV_CONDITION, "ButtonPressed") == 0) {
- if (strcmp(USBDEV_PATH, udi) == 0) {
- mtetherd_status_plugin_usb_plugged_show(plugin);
- }
- } else if (strcmp("DeviceAdded", condition) == 0) {
- if (strcmp(USBDEV_PATH, detail) == 0) {
- plugin->priv->net_on = TRUE;
- enable_button_set_text(plugin->priv->enable_button, plugin->priv->net_on);
- }
- } else if (strcmp("DeviceRemoved", condition) == 0) {
- if (strcmp(USBDEV_PATH, detail) == 0) {
- plugin->priv->net_on = FALSE;
- enable_button_set_text(plugin->priv->enable_button, plugin->priv->net_on);
- }
- }
- }
-}
-
-static void mtetherd_status_plugin_init(MTetherDStatusPlugin *plugin) {
- plugin->priv = MTETHERD_STATUS_PLUGIN_GET_PRIVATE(plugin);
-
- plugin->priv->usb_on = FALSE;
- plugin->priv->net_on = FALSE;
-
- plugin->priv->enable_button = hildon_button_new(HILDON_SIZE_AUTO_WIDTH | HILDON_SIZE_FINGER_HEIGHT, HILDON_BUTTON_ARRANGEMENT_VERTICAL);
- if (plugin->priv->enable_button) {
- GError *err = NULL;
- GdkPixbuf *icon = gdk_pixbuf_new_from_file(IMAGE_DIR "/mtetherd-net-icon.png", &err);
- if (err) {
- g_warning("Can't load mtetherd icon: %s", err->message);
- hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Can't load mtetherd icon: %s", err->message);
- g_error_free(err);
- err = NULL;
- }
- if (icon) {
- GtkWidget *image = gtk_image_new_from_pixbuf(icon);
- hildon_button_set_image(HILDON_BUTTON(plugin->priv->enable_button), image);
- hildon_button_set_image_position(HILDON_BUTTON(plugin->priv->enable_button), GTK_POS_LEFT);
- g_object_unref(icon);
- }
- gboolean enabled = get_usbnet_enabled(plugin);
- enable_button_set_text(plugin->priv->enable_button, enabled);
- g_signal_connect(plugin->priv->enable_button, "clicked", G_CALLBACK(enable_button_clicked), plugin);
- gtk_container_add(GTK_CONTAINER(plugin), plugin->priv->enable_button);
- gtk_widget_show_all(plugin->priv->enable_button);
- }
- //g_signal_connect(plugin, "expose-event", G_CALLBACK(mtetherd_status_plugin_event), NULL);
-
- //hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Initialized mtetherd status plugin");
- GError *err = NULL;
- plugin->priv->dbus_connection = hd_status_plugin_item_get_dbus_g_connection(HD_STATUS_PLUGIN_ITEM(plugin), DBUS_BUS_SYSTEM, &err);
- if (err) {
- g_warning("Can't open DBUS connection: %s", err->message);
- hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Error opening DBUS connection: %s", err->message);
- g_error_free(err);
- err = NULL;
- } else {
- g_message("Got DBUS Glib connection: %p", plugin->priv->dbus_connection);
- }
- if (plugin->priv->dbus_connection) {
- plugin->priv->hal_context = libhal_ctx_new();
- if (plugin->priv->hal_context) {
- if (libhal_ctx_set_dbus_connection(plugin->priv->hal_context, dbus_g_connection_get_connection(plugin->priv->dbus_connection))) {
- if (!libhal_ctx_set_user_data(plugin->priv->hal_context, plugin)) {
- g_warning("Can't set user data of HAL context");
- hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Can't set user data of HAL context");
- }
- if (!libhal_ctx_set_device_condition(plugin->priv->hal_context, mtetherd_status_plugin_device_condition)) {
- g_warning("Error assigning device condition callback");
- hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Error assigning device condition callback");
- }
- DBusError derr;
- dbus_error_init(&derr);
- if (!libhal_ctx_init(plugin->priv->hal_context, &derr)) {
- if (dbus_error_is_set(&derr)) {
- g_warning("Error initializing HAL context (%s): %s", derr.name, derr.message);
- hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Error initializing HAL context (%s): %s", derr.name, derr.message);
- dbus_error_free(&derr);
- } else {
- g_warning("Error initializing HAL context: unknown error");
- //hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Error initializing HAL context: unknown error");
- }
- libhal_ctx_free(plugin->priv->hal_context);
- plugin->priv->hal_context = NULL;
- }
- } else {
- g_warning("Can't set DBUS connection of HAL context");
- hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Can't set DBUS connection of HAL context");
- libhal_ctx_free(plugin->priv->hal_context);
- plugin->priv->hal_context = NULL;
- }
- } else {
- g_warning("Can't allocate HAL context");
- hildon_banner_show_informationf(GTK_WIDGET(plugin), NULL, "Can't allocate HAL context");
- }
- }
-
- mtetherd_status_plugin_usb_plugged_show(plugin);
-}
-
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