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/* -*- Mode: Vala; indent-tabs-mode: nil; tab-width: 2 -*- */
/*
This file is part of Déjà Dup.
© 2009–2010 Michael Terry <mike@mterry.name>,
© 2009 Andrew Fister <temposs@gmail.com>
Déjà Dup 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.
Déjà Dup 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 Déjà Dup. If not, see <http://www.gnu.org/licenses/>.
*/
using GLib;
namespace DejaDup {
abstract class StatusProvider : Object
{
public enum Status {ONLINE, OFFLINE, UNKNOWN}
public Status status {get; protected set; default = Status.UNKNOWN;}
protected DBusProxy proxy {get; private set;}
construct {
try {
proxy = create_proxy();
proxy.notify["g-name-owner"].connect(owner_changed);
proxy.g_signal.connect(handle_signal);
check_owner_status();
}
catch (Error e) {
warning("%s\n", e.message);
}
}
protected void update_status(Status new_status)
{
if (status != new_status)
status = new_status;
}
private void owner_changed()
{
check_owner_status();
}
private async void check_owner_status()
{
if (proxy.g_name_owner == null)
update_status(Status.UNKNOWN);
else {
Status status = Status.UNKNOWN;
try {
status = yield query_status();
}
catch (Error e) {
warning("%s\n", e.message);
}
update_status(status);
}
}
protected abstract DBusProxy create_proxy() throws Error;
protected abstract async Status query_status() throws Error;
protected abstract void handle_signal(string sender_name, string signal_name,
GLib.Variant parameters);
}
class StatusNetworkManager : StatusProvider
{
static const uint32 NM_OLD_STATE_CONNECTED = 3;
static const uint32 NM_STATE_CONNECTED_LOCAL = 50;
static const uint32 NM_STATE_CONNECTED_SITE = 60;
static const uint32 NM_STATE_CONNECTED_GLOBAL = 70;
protected override DBusProxy create_proxy() throws Error
{
// FIXME: use async version when I figure out the syntax
return new DBusProxy.for_bus_sync(BusType.SYSTEM, DBusProxyFlags.NONE, null,
"org.freedesktop.NetworkManager",
"/org/freedesktop/NetworkManager",
"org.freedesktop.NetworkManager", null);
}
protected override async StatusProvider.Status query_status() throws Error
{
Variant state_val = proxy.get_cached_property("State");
if (state_val == null || !state_val.is_of_type(VariantType.UINT32))
return Status.UNKNOWN;
uint32 state = state_val.get_uint32();
if (state == NM_OLD_STATE_CONNECTED ||
state == NM_STATE_CONNECTED_LOCAL ||
state == NM_STATE_CONNECTED_SITE ||
state == NM_STATE_CONNECTED_GLOBAL)
return Status.ONLINE;
else
return Status.OFFLINE;
}
protected override void handle_signal(string sender_name, string signal_name,
GLib.Variant parameters)
{
if (signal_name == "StateChanged") {
uint32 state;
parameters.get("(u)", out state);
if (state == NM_OLD_STATE_CONNECTED ||
state == NM_STATE_CONNECTED_LOCAL ||
state == NM_STATE_CONNECTED_SITE ||
state == NM_STATE_CONNECTED_GLOBAL)
update_status(Status.ONLINE);
else
update_status(Status.OFFLINE);
}
}
}
class StatusConnectionManager : StatusProvider
{
static const string CM_STATE_CONNECTED = "online";
protected override DBusProxy create_proxy() throws Error
{
// FIXME: use async version when I figure out the syntax
return new DBusProxy.for_bus_sync(BusType.SYSTEM, DBusProxyFlags.NONE, null,
"org.moblin.connman", "/",
"org.moblin.connman.Manager", null);
}
protected override async StatusProvider.Status query_status() throws Error
{
Variant state_val = yield proxy.call("GetState", null,
DBusCallFlags.NONE, -1, null);
if (state_val == null)
return Status.UNKNOWN;
string state;
state_val.get("(s)", out state);
if (state == CM_STATE_CONNECTED)
return Status.ONLINE;
else if (state != null)
return Status.OFFLINE;
else
return Status.UNKNOWN;
}
protected override void handle_signal(string sender_name, string signal_name,
GLib.Variant parameters)
{
if (signal_name == "StateChanged") {
string state;
parameters.get("(s)", out state);
update_status(state == CM_STATE_CONNECTED ? Status.ONLINE : Status.OFFLINE);
}
}
}
public class Network : Object
{
public bool connected {get; set; default = true;}
public new static Network get() {
if (singleton == null)
singleton = new Network();
return singleton;
}
static Network singleton;
List<StatusProvider> providers;
construct {
providers = new List<StatusProvider>();
add_provider(new StatusNetworkManager());
add_provider(new StatusConnectionManager());
update_status();
}
void add_provider(StatusProvider p) {
providers.prepend(p);
p.notify["status"].connect(update_status);
}
void update_status()
{
/* If any of our network status providers is active and running, use it */
bool offline = false;
bool online = false;
foreach (StatusProvider p in providers) {
if (p.status == StatusProvider.Status.OFFLINE)
offline = true;
else if (p.status == StatusProvider.Status.ONLINE)
online = true;
}
bool merged_status;
if (online)
merged_status = true;
else if (offline)
merged_status = false;
else
merged_status = true; // no information, assume online
if (merged_status != connected)
connected = merged_status;
}
}
} // end namespace
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