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Populate a combo box with known network interfaces 

Use getifaddrs() to enumerate all addresses associated with all network
interfaces, discarding duplicate interface names, and sorting.  For OSes
where getifaddrs() is not available, an interface name can still be
manually typed in.
master
Brian J. Tarricone 2020-10-04 04:02:02 -07:00 committed by Romain Bouvier
parent d8ef8c1915
commit 34f4441815
2 changed files with 62 additions and 31 deletions
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87
panel-plugin/netload.c
View File

@ -109,7 +109,7 @@ typedef struct
GtkWidget *update_spinner;
/* Network device */
GtkWidget *net_entry;
GtkWidget *net_combo;
/* Maximum */
GtkWidget *max_use_label;
@ -791,7 +791,7 @@ static void monitor_apply_options(t_global_monitor *global)
g_free(global->monitor->options.network_device);
}
global->monitor->options.network_device =
g_strdup(gtk_entry_get_text(GTK_ENTRY(global->monitor->net_entry)));
gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(global->monitor->net_combo));
for( i = 0; i < SUM; i++ )
{
@ -839,22 +839,6 @@ static void max_label_changed(GtkWidget *button, t_global_monitor *global)
}
/* ---------------------------------------------------------------------------------------------- */
static void network_changed(GtkWidget *button, t_global_monitor *global)
{
if (global->monitor->options.network_device)
{
g_free(global->monitor->options.network_device);
}
global->monitor->options.network_device =
g_strdup(gtk_entry_get_text(GTK_ENTRY(global->monitor->net_entry)));
setup_monitor(global, FALSE);
DBG("network_changed");
}
/* ---------------------------------------------------------------------------------------------- */
static void label_toggled(GtkWidget *check_button, t_global_monitor *global)
{
@ -963,6 +947,48 @@ monitor_dialog_response (GtkWidget *dlg, int response, t_global_monitor *global)
monitor_write_config (global->plugin, global);
}
static gboolean add_interface(const gchar *name, gpointer ignore, t_global_monitor *global)
{
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(global->monitor->net_combo), name);
if (!strcmp(name, global->monitor->options.network_device)) {
GtkTreeModel *model = gtk_combo_box_get_model(GTK_COMBO_BOX(global->monitor->net_combo));
gint n_items = gtk_tree_model_iter_n_children(model, NULL);
gtk_combo_box_set_active(GTK_COMBO_BOX(global->monitor->net_combo), n_items - 1);
}
return FALSE;
}
static gint monitor_populate_interface_list(t_global_monitor *global)
{
gint count = 0;
#if defined(__linux__) || defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
struct ifaddrs *addrs = NULL, *addr;
if (getifaddrs(&addrs) == 0)
{
GTree *found_ifaces = g_tree_new((GCompareFunc) strcmp);
for (addr = addrs; addr != NULL; addr = addr->ifa_next)
{
if (addr->ifa_name != NULL && g_tree_lookup(found_ifaces, addr->ifa_name) == NULL)
{
DBG("Found interface: %s", addr->ifa_name);
g_tree_insert(found_ifaces, addr->ifa_name, GUINT_TO_POINTER(TRUE));
++count;
}
}
g_tree_foreach(found_ifaces, (GTraverseFunc) add_interface, global);
g_tree_unref(found_ifaces);
freeifaddrs(addrs);
}
#endif /* __linux__ || __OpenBSD__ || __FreeBSD__ || __NetBSD__ */
return count;
}
static void monitor_create_options(XfcePanelPlugin *plugin, t_global_monitor *global)
{
GtkWidget *dlg;
@ -975,7 +1001,7 @@ static void monitor_create_options(XfcePanelPlugin *plugin, t_global_monitor *gl
GtkWidget *color_label[SUM];
gint present_data_active;
GtkSizeGroup *sg;
gint i;
gint i, n_interfaces;
gchar buffer[BUFSIZ];
gchar *color_text[] = {
N_("Bar color (i_ncoming):"),
@ -1055,16 +1081,19 @@ static void monitor_create_options(XfcePanelPlugin *plugin, t_global_monitor *gl
gtk_box_pack_start(GTK_BOX(net_hbox), GTK_WIDGET(device_label),
FALSE, FALSE, 0);
global->monitor->net_entry = gtk_entry_new();
global->monitor->net_combo = gtk_combo_box_text_new_with_entry();
n_interfaces = monitor_populate_interface_list(global);
gtk_label_set_mnemonic_widget(GTK_LABEL(device_label),
global->monitor->net_entry);
gtk_entry_set_max_length(GTK_ENTRY(global->monitor->net_entry),
MAX_LENGTH);
gtk_entry_set_text(GTK_ENTRY(global->monitor->net_entry),
global->monitor->options.network_device);
gtk_widget_show(global->monitor->opt_entry);
gtk_box_pack_start(GTK_BOX(net_hbox), GTK_WIDGET(global->monitor->net_entry),
global->monitor->net_combo);
if (gtk_combo_box_get_active(GTK_COMBO_BOX(global->monitor->net_combo)) == -1 &&
global->monitor->options.network_device[0] != '\0')
{
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(global->monitor->net_combo),
global->monitor->options.network_device);
gtk_combo_box_set_active(GTK_COMBO_BOX(global->monitor->net_combo), n_interfaces);
}
gtk_widget_show(global->monitor->net_combo);
gtk_box_pack_start(GTK_BOX(net_hbox), GTK_WIDGET(global->monitor->net_combo),
FALSE, FALSE, 0);
gtk_size_group_add_widget(sg, device_label);
@ -1267,8 +1296,6 @@ static void monitor_create_options(XfcePanelPlugin *plugin, t_global_monitor *gl
G_CALLBACK(label_changed), global);
g_signal_connect(GTK_WIDGET(global->monitor->opt_present_data_combobox), "changed",
G_CALLBACK(present_data_combobox_changed), global);
g_signal_connect(GTK_WIDGET(global->monitor->net_entry), "activate",
G_CALLBACK(network_changed), global);
g_signal_connect(GTK_WIDGET(global->monitor->opt_as_bits), "toggled",
G_CALLBACK(as_bits_toggled), global);

4
panel-plugin/os.h
View File

@ -120,6 +120,7 @@
# include <net/if_media.h>
# include <net/if_mib.h>
# include <arpa/inet.h>
# include <ifaddrs.h>
#elif __NetBSD__ /* N E T B S D */
# include <stdio.h>
# include <sys/param.h>
@ -144,6 +145,7 @@
# include <net/if_dl.h>
# include <arpa/inet.h>
# include <net/if.h>
# include <ifaddrs.h>
#elif __OpenBSD__ || __MicroBSD__ /* O P E N B S D */
# include <stdio.h>
# include <sys/param.h>
@ -167,6 +169,7 @@
# include <net/if_dl.h>
# include <net/route.h>
# include <arpa/inet.h>
# include <ifaddrs.h>
#elif __linux__ /* L I N U X */
# include <stdio.h>
# include <sys/param.h>
@ -186,6 +189,7 @@
# include <netinet/in.h>
# include <net/if.h>
# include <arpa/inet.h>
# include <ifaddrs.h>
#elif __Solaris__ /* S O L A R I S */
# include <stdio.h>
# define _WIDEC_H