empathy-tp-tube: remove initiator and type member variables as they are not used
[empathy.git] / libempathy / empathy-tp-tube.c
1 /*
2  * Copyright (C) 2008 Collabora Ltd.
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
17  *
18  * Authors: Guillaume Desmottes <guillaume.desmottes@collabora.co.uk>
19  *          Elliot Fairweather <elliot.fairweather@collabora.co.uk>
20  */
21
22 #include <config.h>
23
24 #include <telepathy-glib/connection.h>
25 #include <telepathy-glib/util.h>
26 #include <extensions/extensions.h>
27
28 #include "empathy-contact-factory.h"
29 #include "empathy-enum-types.h"
30 #include "empathy-tp-tube.h"
31 #include "empathy-utils.h"
32
33 #define DEBUG_FLAG EMPATHY_DEBUG_TP
34 #include "empathy-debug.h"
35
36 typedef struct {
37   TpSocketAddressType type;
38   EmpatyTpTubeAcceptStreamTubeCb *callback;
39   gpointer user_data;
40 } EmpathyTpTubeAcceptData;
41
42 static EmpathyTpTubeAcceptData *
43 new_empathy_tp_tube_accept_data (TpSocketAddressType type,
44   EmpatyTpTubeAcceptStreamTubeCb *callback, gpointer user_data)
45 {
46   EmpathyTpTubeAcceptData *r;
47
48   r = g_slice_new0 (EmpathyTpTubeAcceptData);
49   r->type = type;
50   r->callback = callback;
51   r->user_data = user_data;
52
53   return r;
54 }
55
56 static void
57 free_empathy_tp_tube_accept_data (gpointer data)
58 {
59   g_slice_free (EmpathyTpTubeAcceptData, data);
60 }
61
62
63 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpTube)
64 typedef struct
65 {
66   TpChannel *channel;
67   gchar *service;
68   /* FIXME readd support for parameters.. */
69   GHashTable *parameters;
70   EmpTubeChannelState state;
71   EmpathyContact *initiator_contact;
72   EmpathyContactFactory *factory;
73 } EmpathyTpTubePriv;
74
75 enum
76 {
77   PROP_0,
78   PROP_CHANNEL,
79   PROP_STATE,
80 };
81
82 enum
83 {
84   DESTROY,
85   LAST_SIGNAL
86 };
87
88 static guint signals[LAST_SIGNAL];
89
90 G_DEFINE_TYPE (EmpathyTpTube, empathy_tp_tube, G_TYPE_OBJECT)
91
92 static void
93 tp_tube_state_changed_cb (TpProxy *proxy,
94                           EmpTubeChannelState state,
95                           gpointer user_data,
96                           GObject *tube)
97 {
98   EmpathyTpTubePriv *priv = GET_PRIV (tube);
99
100   DEBUG ("Tube state changed");
101
102   priv->state = state;
103   g_object_notify (tube, "state");
104 }
105
106 static void
107 tp_tube_invalidated_cb (TpChannel     *channel,
108                         GQuark         domain,
109                         gint           code,
110                         gchar         *message,
111                         EmpathyTpTube *tube)
112 {
113   DEBUG ("Channel invalidated: %s", message);
114   g_signal_emit (tube, signals[DESTROY], 0);
115 }
116
117 static void
118 tp_tube_async_cb (TpChannel *channel,
119                   const GError *error,
120                   gpointer user_data,
121                   GObject *tube)
122 {
123   if (error)
124       DEBUG ("Error %s: %s", (gchar*) user_data, error->message);
125 }
126
127 static void
128 tp_tube_set_property (GObject *object,
129                       guint prop_id,
130                       const GValue *value,
131                       GParamSpec *pspec)
132 {
133   EmpathyTpTubePriv *priv = GET_PRIV (object);
134
135   switch (prop_id)
136     {
137       case PROP_CHANNEL:
138         priv->channel = g_value_dup_object (value);
139         break;
140       default:
141         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
142         break;
143   }
144 }
145
146 static void
147 tp_tube_get_property (GObject *object,
148                       guint prop_id,
149                       GValue *value,
150                       GParamSpec *pspec)
151 {
152   EmpathyTpTubePriv *priv = GET_PRIV (object);
153
154   switch (prop_id)
155     {
156       case PROP_CHANNEL:
157         g_value_set_object (value, priv->channel);
158         break;
159       case PROP_STATE:
160         g_value_set_uint (value, priv->state);
161         break;
162       default:
163         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
164         break;
165   }
166 }
167
168 static GObject *
169 tp_tube_constructor (GType type,
170                      guint n_props,
171                      GObjectConstructParam *props)
172 {
173   GObject *self;
174   EmpathyTpTubePriv *priv;
175
176   self = G_OBJECT_CLASS (empathy_tp_tube_parent_class)->constructor (
177       type, n_props, props);
178   priv = GET_PRIV (self);
179
180   g_signal_connect (priv->channel, "invalidated",
181       G_CALLBACK (tp_tube_invalidated_cb), self);
182
183   emp_cli_channel_interface_tube_connect_to_tube_channel_state_changed (
184     TP_PROXY (priv->channel), tp_tube_state_changed_cb, NULL, NULL,
185     self, NULL);
186
187   return self;
188 }
189
190 static void
191 tp_tube_finalize (GObject *object)
192 {
193   EmpathyTpTubePriv *priv = GET_PRIV (object);
194
195   DEBUG ("Finalizing: %p", object);
196
197   if (priv->channel)
198     {
199       g_signal_handlers_disconnect_by_func (priv->channel,
200           tp_tube_invalidated_cb, object);
201       tp_cli_channel_call_close (priv->channel, -1, tp_tube_async_cb,
202         "closing tube", NULL, NULL);
203       g_object_unref (priv->channel);
204     }
205   if (priv->initiator_contact)
206       g_object_unref (priv->initiator_contact);
207   if (priv->factory)
208       g_object_unref (priv->factory);
209
210   g_free (priv->service);
211
212   if (priv->parameters != NULL)
213   g_hash_table_destroy (priv->parameters);
214
215   G_OBJECT_CLASS (empathy_tp_tube_parent_class)->finalize (object);
216 }
217
218 static void
219 empathy_tp_tube_class_init (EmpathyTpTubeClass *klass)
220 {
221   GObjectClass *object_class = G_OBJECT_CLASS (klass);
222
223   object_class->constructor = tp_tube_constructor;
224   object_class->finalize = tp_tube_finalize;
225   object_class->set_property = tp_tube_set_property;
226   object_class->get_property = tp_tube_get_property;
227
228   g_object_class_install_property (object_class, PROP_CHANNEL,
229       g_param_spec_object ("channel", "channel", "channel", TP_TYPE_CHANNEL,
230       G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
231
232   g_object_class_install_property (object_class, PROP_STATE,
233       g_param_spec_uint ("state", "state", "state",
234         0, NUM_EMP_TUBE_CHANNEL_STATES, 0,
235         G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_STRINGS));
236
237   signals[DESTROY] = g_signal_new ("destroy",
238       G_TYPE_FROM_CLASS (klass),
239       G_SIGNAL_RUN_LAST,
240       0, NULL, NULL,
241       g_cclosure_marshal_VOID__VOID,
242       G_TYPE_NONE, 0);
243
244   g_type_class_add_private (klass, sizeof (EmpathyTpTubePriv));
245 }
246
247 static void
248 empathy_tp_tube_init (EmpathyTpTube *tube)
249 {
250   EmpathyTpTubePriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (tube,
251                 EMPATHY_TYPE_TP_TUBE, EmpathyTpTubePriv);
252
253   tube->priv = priv;
254
255   priv->factory = empathy_contact_factory_dup_singleton ();
256 }
257
258 EmpathyTpTube *
259 empathy_tp_tube_new (TpChannel *channel)
260 {
261   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
262
263   return g_object_new (EMPATHY_TYPE_TP_TUBE, "channel", channel,  NULL);
264 }
265
266 EmpathyTpTube *
267 empathy_tp_tube_new_stream_tube (EmpathyContact *contact,
268                                  TpSocketAddressType type,
269                                  const gchar *hostname,
270                                  guint port,
271                                  const gchar *service,
272                                  GHashTable *parameters)
273 {
274   MissionControl *mc;
275   McAccount *account;
276   TpConnection *connection;
277   TpChannel *channel;
278   gchar *object_path;
279   GHashTable *params;
280   GValue *address;
281   GValue *control_param;
282   EmpathyTpTube *tube = NULL;
283   GError *error = NULL;
284   GHashTable *request;
285   GHashTable *channel_properties;
286   GValue *value;
287
288   g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
289   g_return_val_if_fail (hostname != NULL, NULL);
290   g_return_val_if_fail (service != NULL, NULL);
291
292   mc = empathy_mission_control_dup_singleton ();
293   account = empathy_contact_get_account (contact);
294   connection = mission_control_get_tpconnection (mc, account, NULL);
295   g_object_unref (mc);
296
297   tp_connection_run_until_ready (connection, FALSE, NULL, NULL);
298
299   request = g_hash_table_new_full (g_str_hash, g_str_equal, NULL,
300       (GDestroyNotify) tp_g_value_slice_free);
301
302   /* org.freedesktop.Telepathy.Channel.ChannelType */
303   value = tp_g_value_slice_new (G_TYPE_STRING);
304   g_value_set_string (value, EMP_IFACE_CHANNEL_TYPE_STREAM_TUBE);
305   g_hash_table_insert (request, TP_IFACE_CHANNEL ".ChannelType", value);
306
307   /* org.freedesktop.Telepathy.Channel.TargetHandleType */
308   value = tp_g_value_slice_new (G_TYPE_UINT);
309   g_value_set_uint (value, TP_HANDLE_TYPE_CONTACT);
310   g_hash_table_insert (request, TP_IFACE_CHANNEL ".TargetHandleType", value);
311
312   /* org.freedesktop.Telepathy.Channel.TargetHandleType */
313   value = tp_g_value_slice_new (G_TYPE_UINT);
314   g_value_set_uint (value, empathy_contact_get_handle (contact));
315   g_hash_table_insert (request, TP_IFACE_CHANNEL ".TargetHandle", value);
316
317   /* org.freedesktop.Telepathy.Channel.Type.StreamTube.Service */
318   value = tp_g_value_slice_new (G_TYPE_STRING);
319   g_value_set_string (value, service);
320   g_hash_table_insert (request,
321     EMP_IFACE_CHANNEL_TYPE_STREAM_TUBE  ".Service", value);
322
323   if (!tp_cli_connection_interface_requests_run_create_channel (connection, -1,
324     request, &object_path, &channel_properties, &error, NULL))
325     {
326       DEBUG ("Error requesting channel: %s", error->message);
327       g_clear_error (&error);
328       g_object_unref (connection);
329       return NULL;
330     }
331
332   DEBUG ("Offering a new stream tube");
333
334   channel = tp_channel_new_from_properties (connection, object_path,
335       channel_properties, NULL);
336
337   tp_channel_run_until_ready (channel, NULL, NULL);
338
339   #define ADDRESS_TYPE dbus_g_type_get_struct ("GValueArray",\
340       G_TYPE_STRING, G_TYPE_UINT, G_TYPE_INVALID)
341   params = g_hash_table_new (g_str_hash, g_str_equal);
342   address = tp_g_value_slice_new (ADDRESS_TYPE);
343   g_value_take_boxed (address, dbus_g_type_specialized_construct (ADDRESS_TYPE));
344   dbus_g_type_struct_set (address, 0, hostname, 1, port, G_MAXUINT);
345   control_param = tp_g_value_slice_new (G_TYPE_STRING);
346
347   if (parameters == NULL)
348     /* Pass an empty dict as parameters */
349     parameters = g_hash_table_new (g_str_hash, g_str_equal);
350   else
351     g_hash_table_ref (parameters);
352
353   if (!emp_cli_channel_type_stream_tube_run_offer_stream_tube (
354         TP_PROXY(channel), -1, type, address,
355         TP_SOCKET_ACCESS_CONTROL_LOCALHOST, control_param, parameters,
356         &error, NULL))
357     {
358       DEBUG ("Couldn't offer tube: %s", error->message);
359       g_clear_error (&error);
360       goto OUT;
361     }
362
363   DEBUG ("Stream tube offered");
364
365   tube = empathy_tp_tube_new (channel);
366
367 OUT:
368   g_object_unref (channel);
369   g_free (object_path);
370   g_hash_table_destroy (request);
371   g_hash_table_destroy (channel_properties);
372   tp_g_value_slice_free (address);
373   tp_g_value_slice_free (control_param);
374   g_object_unref (connection);
375   g_hash_table_unref (parameters);
376
377   return tube;
378 }
379
380 static void
381 tp_tube_accept_stream_cb (TpProxy *proxy,
382                           const GValue *address,
383                           const GError *error,
384                           gpointer user_data,
385                           GObject *weak_object)
386 {
387   EmpathyTpTube *tube = EMPATHY_TP_TUBE (weak_object);
388   EmpathyTpTubeAcceptData *data = (EmpathyTpTubeAcceptData *)user_data;
389   EmpathyTpTubeAddress eaddress;
390
391   eaddress.type = data->type;
392
393   if (error)
394     {
395       DEBUG ("Error accepting tube: %s", error->message);
396       data->callback (tube, NULL, error, data->user_data);
397       return;
398     }
399
400   switch (eaddress.type)
401     {
402       case TP_SOCKET_ADDRESS_TYPE_UNIX:
403       case TP_SOCKET_ADDRESS_TYPE_ABSTRACT_UNIX:
404         eaddress.a.socket.path = g_value_get_boxed (address);
405         break;
406      case TP_SOCKET_ADDRESS_TYPE_IPV4:
407      case TP_SOCKET_ADDRESS_TYPE_IPV6:
408         dbus_g_type_struct_get (address,
409           0, &eaddress.a.inet.hostname,
410           1, &eaddress.a.inet.port, G_MAXUINT);
411         break;
412     }
413
414    data->callback (tube, &eaddress, NULL, data->user_data);
415 }
416
417 void
418 empathy_tp_tube_accept_stream_tube (EmpathyTpTube *tube,
419   TpSocketAddressType type, EmpatyTpTubeAcceptStreamTubeCb *callback,
420   gpointer user_data)
421 {
422   EmpathyTpTubePriv *priv = GET_PRIV (tube);
423   GValue *control_param;
424   EmpathyTpTubeAcceptData *data;
425
426   g_return_if_fail (EMPATHY_IS_TP_TUBE (tube));
427
428   DEBUG ("Accepting stream tube");
429   /* FIXME allow other acls */
430   control_param = tp_g_value_slice_new (G_TYPE_STRING);
431
432   data = new_empathy_tp_tube_accept_data (type, callback, user_data);
433
434   emp_cli_channel_type_stream_tube_call_accept_stream_tube (
435      TP_PROXY (priv->channel), -1, type, TP_SOCKET_ACCESS_CONTROL_LOCALHOST,
436      control_param, tp_tube_accept_stream_cb, data,
437      free_empathy_tp_tube_accept_data, G_OBJECT (tube));
438
439   tp_g_value_slice_free (control_param);
440 }