[ofono] Set destination for Unsubscribed signal. JB#50816

Resolve a few issues with cell info notifications

See merge request mer-core/ofono!286

ofono/.gitignore

@@ -45,6 +45,7 @@ unit/test-caif
 unit/test-stkutil
 unit/test-cdmasms
 unit/test-dbus-access
+unit/test-dbus-clients
 unit/test-dbus-queue
 unit/test-gprs-filter
 unit/test-ril_config

ofono/Makefile.am

@@ -26,7 +26,7 @@ pkginclude_HEADERS = include/log.h include/plugin.h include/history.h \
 			include/sms-filter.h include/gprs-filter.h \
 			include/voicecall-filter.h include/dbus-access.h \
 			include/ril-constants.h include/ril-transport.h \
-			include/watch.h gdbus/gdbus.h \
+			include/watch.h gdbus/gdbus.h include/dbus-clients.h \
 			include/netmon.h include/lte.h include/ims.h \
 			include/storage.h
 
@@ -775,7 +775,8 @@ src_ofonod_SOURCES = $(builtin_sources) $(gatchat_sources) src/ofono.ver \
 			src/handsfree-audio.c src/bluetooth.h \
 			src/sim-mnclength.c src/voicecallagent.c \
 			src/sms-filter.c src/gprs-filter.c \
-			src/dbus-queue.c src/dbus-access.c src/config.c \
+			src/dbus-clients.c src/dbus-queue.c \
+			src/dbus-access.c src/config.c \
 			src/voicecall-filter.c src/ril-transport.c \
 			src/hfp.h src/siri.c src/watchlist.c \
 			src/netmon.c src/lte.c src/ims.c \
@@ -981,7 +982,7 @@ unit_test_sailfish_cell_info_dbus_SOURCES = unit/test-dbus.c \
 			unit/fake_sailfish_cell_info.c \
 			plugins/sailfish_manager/sailfish_cell_info.c \
 			plugins/sailfish_manager/sailfish_cell_info_dbus.c \
-			gdbus/object.c \
+			gdbus/object.c src/dbus-clients.c \
 			src/dbus.c src/log.c
 unit_test_sailfish_cell_info_dbus_CFLAGS = $(AM_CFLAGS) $(COVERAGE_OPT) \
 			@DBUS_GLIB_CFLAGS@
@@ -1164,6 +1165,14 @@ unit_test_caif_CFLAGS = $(COVERAGE_OPT) $(AM_CFLAGS)
 unit_test_caif_LDADD = @GLIB_LIBS@
 unit_objects += $(unit_test_caif_OBJECTS)
 
+unit_test_dbus_clients_SOURCES = unit/test-dbus-clients.c unit/test-dbus.c \
+				src/dbus-clients.c gdbus/object.c \
+				src/dbus.c src/log.c
+unit_test_dbus_clients_CFLAGS =  @DBUS_GLIB_CFLAGS@ $(COVERAGE_OPT) $(AM_CFLAGS)
+unit_test_dbus_clients_LDADD = @DBUS_GLIB_LIBS@ @GLIB_LIBS@ -ldl
+unit_objects += $(unit_test_dbus_clients_OBJECTS)
+unit_tests += unit/test-dbus-clients
+
 unit_test_dbus_queue_SOURCES = unit/test-dbus-queue.c unit/test-dbus.c \
 				src/dbus-queue.c gdbus/object.c \
 				src/dbus.c src/log.c

ofono/doc/connman-api.txt

@@ -278,6 +278,13 @@ Properties	boolean Active [readwrite]
 				via this proxy.  All other values are left
 				out in this case.
 
+			array{string} ProxyCSCF [readonly, optional]
+
+				Holds the list of P-CSCF (SIP proxy) for this
+				context. Only used by IMS connections.
+
+				This is a Sailfish OS specific extension.
+
 		dict IPv6.Settings [readonly, optional]
 
 			Holds all the IPv6 network settings
@@ -304,6 +311,13 @@ Properties	boolean Active [readwrite]
 
 				Holds the gateway IP for this connection.
 
+			array{string} ProxyCSCF [readonly, optional]
+
+				Holds the list of P-CSCF (SIP proxy) for this
+				context. Only used by IMS connections.
+
+				This is a Sailfish OS specific extension.
+
 		string MessageProxy [readwrite, MMS only]
 
 			Holds the MMS Proxy setting.

ofono/drivers/ril/ril_cell_info.c

@@ -47,6 +47,7 @@ struct ril_cell_info {
 	gulong event_id;
 	guint query_id;
 	guint set_rate_id;
+	gboolean enabled;
 };
 
 enum ril_cell_info_signal {
@@ -331,7 +332,8 @@ static void ril_cell_info_list_cb(GRilIoChannel *io, int status,
 	DBG_(self, "");
 	GASSERT(self->query_id);
 	self->query_id = 0;
-	ril_cell_info_update_cells(self, (status == RIL_E_SUCCESS) ?
+	ril_cell_info_update_cells(self,
+		(status == RIL_E_SUCCESS && self->enabled) ?
 		ril_cell_info_parse_list(io->ril_version, data, len) : NULL);
 }
 
@@ -348,12 +350,14 @@ static void ril_cell_info_set_rate_cb(GRilIoChannel *io, int status,
 static gboolean ril_cell_info_retry(GRilIoRequest* request, int ril_status,
 		const void* response_data, guint response_len, void* user_data)
 {
+	struct ril_cell_info *self = RIL_CELL_INFO(user_data);
+
 	switch (ril_status) {
 	case RIL_E_SUCCESS:
 	case RIL_E_RADIO_NOT_AVAILABLE:
 		return FALSE;
 	default:
-		return TRUE;
+		return self->enabled;
 	}
 }
 
@@ -373,7 +377,8 @@ static void ril_cell_info_query(struct ril_cell_info *self)
 static void ril_cell_info_set_rate(struct ril_cell_info *self)
 {
 	GRilIoRequest *req = grilio_request_array_int32_new(1,
-		(self->update_rate_ms >= 0) ? self->update_rate_ms : INT_MAX);
+		(self->update_rate_ms >= 0 && self->enabled) ?
+		self->update_rate_ms : INT_MAX);
 
 	grilio_request_set_retry(req, RIL_RETRY_MS, MAX_RETRIES);
 	grilio_request_set_retry_func(req, ril_cell_info_retry);
@@ -387,7 +392,8 @@ static void ril_cell_info_set_rate(struct ril_cell_info *self)
 static void ril_cell_info_refresh(struct ril_cell_info *self)
 {
 	/* RIL_REQUEST_GET_CELL_INFO_LIST fails without SIM card */
-	if (self->radio->state == RADIO_STATE_ON && self->sim_card_ready) {
+	if (self->enabled && self->radio->state == RADIO_STATE_ON &&
+						self->sim_card_ready) {
 		ril_cell_info_query(self);
 	} else {
 		ril_cell_info_update_cells(self, NULL);
@@ -482,6 +488,21 @@ static void ril_cell_info_set_update_interval_proc
 	if (self->update_rate_ms != ms) {
 		self->update_rate_ms = ms;
 		DBG_(self, "%d ms", ms);
+		if (self->enabled && self->sim_card_ready) {
+			ril_cell_info_set_rate(self);
+		}
+	}
+}
+
+void ril_cell_info_set_enabled_proc(struct sailfish_cell_info *info,
+							gboolean enabled)
+{
+	struct ril_cell_info *self = ril_cell_info_cast(info);
+
+	if (self->enabled != enabled) {
+		self->enabled = enabled;
+		DBG_(self, "%d", enabled);
+		ril_cell_info_refresh(self);
 		if (self->sim_card_ready) {
 			ril_cell_info_set_rate(self);
 		}
@@ -497,7 +518,8 @@ struct sailfish_cell_info *ril_cell_info_new(GRilIoChannel *io,
 		ril_cell_info_unref_proc,
 		ril_cell_info_add_cells_changed_handler_proc,
 		ril_cell_info_remove_handler_proc,
-		ril_cell_info_set_update_interval_proc
+		ril_cell_info_set_update_interval_proc,
+		ril_cell_info_set_enabled_proc
 	};
 
 	struct ril_cell_info *self = g_object_new(RIL_CELL_INFO_TYPE, 0);
@@ -519,6 +541,9 @@ struct sailfish_cell_info *ril_cell_info_new(GRilIoChannel *io,
 			ril_cell_info_sim_status_cb, self);
 	self->sim_card_ready = ril_sim_card_ready(sim_card);
 	ril_cell_info_refresh(self);
+
+	/* Disable updates by default */
+	self->enabled = FALSE;
 	if (self->sim_card_ready) {
 		ril_cell_info_set_rate(self);
 	}

ofono/drivers/ril/ril_gprs_context.c

@@ -1,7 +1,7 @@
 /*
  *  oFono - Open Source Telephony - RIL-based devices
  *
- *  Copyright (C) 2015-2019 Jolla Ltd.
+ *  Copyright (C) 2015-2021 Jolla Ltd.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
@@ -29,7 +29,7 @@
 
 #define CTX_ID_NONE ((unsigned int)(-1))
 
-#define MAX_MTU 1280
+#define MAX_MMS_MTU 1280
 
 struct ril_gprs_context_call {
 	struct ril_data_request *req;
@@ -108,8 +108,15 @@ static void ril_gprs_context_set_active_call(struct ril_gprs_context *gcd,
 	if (call) {
 		ril_data_call_free(gcd->active_call);
 		gcd->active_call = ril_data_call_dup(call);
-		if (!gcd->mtu_watch) {
+		if (ofono_gprs_context_get_type(gcd->gc) ==
-			gcd->mtu_watch = mtu_watch_new(MAX_MTU);
+					OFONO_GPRS_CONTEXT_TYPE_MMS) {
+			/*
+			 * Some MMS providers have a problem with MTU
+			 * greater than 1280. Let's be safe.
+			 */
+			if (!gcd->mtu_watch) {
+				gcd->mtu_watch = mtu_watch_new(MAX_MMS_MTU);
+			}
 		}
 		mtu_watch_set_ifname(gcd->mtu_watch, call->ifname);
 		ril_data_call_grab(gcd->data, call->cid, gcd);
@@ -247,34 +254,59 @@ static void ril_gprs_context_set_gateway(struct ofono_gprs_context *gc,
 	ofono_gprs_context_set_ipv6_gateway(gc, ipv6_gw);
 }
 
-static void ril_gprs_context_set_dns_servers(struct ofono_gprs_context *gc,
+typedef void (*ofono_gprs_context_list_setter_t)(struct ofono_gprs_context *gc,
-					const struct ril_data_call *call)
+				const char **list);
+
+static void ril_gprs_context_set_servers(struct ofono_gprs_context *gc,
+		char * const *list, ofono_gprs_context_list_setter_t set_ipv4,
+		ofono_gprs_context_list_setter_t set_ipv6)
 {
 	int i;
-	char * const *list = call->dnses;
+	const char **ip_list = NULL, **ip_ptr = NULL;
+	const char **ipv6_list = NULL, **ipv6_ptr = NULL;
 	const int n = gutil_strv_length(list);
-	const char **ip_dns = g_new0(const char *, n+1);
-	const char **ipv6_dns = g_new0(const char *, n+1);
-	const char **ip_ptr = ip_dns;
-	const char **ipv6_ptr = ipv6_dns;
 
 	for (i = 0; i < n; i++) {
 		const char *addr = list[i];
 		switch (ril_gprs_context_address_family(addr)) {
 		case AF_INET:
+			if (!ip_ptr) {
+				ip_list = g_new0(const char *, n - i + 1);
+				ip_ptr = ip_list;
+			}
 			*ip_ptr++ = addr;
 			break;
 		case AF_INET6:
+			if (!ipv6_ptr) {
+				ipv6_list = g_new0(const char *, n - i + 1);
+				ipv6_ptr = ipv6_list;
+			}
 			*ipv6_ptr++ = addr;
 			break;
 		}
 	}
 
-	ofono_gprs_context_set_ipv4_dns_servers(gc, ip_dns);
+	set_ipv4(gc, ip_list);
-	ofono_gprs_context_set_ipv6_dns_servers(gc, ipv6_dns);
+	set_ipv6(gc, ipv6_list);
 
-	g_free(ip_dns);
+	g_free(ip_list);
-	g_free(ipv6_dns);
+	g_free(ipv6_list);
+}
+
+static void ril_gprs_context_set_dns_servers(struct ofono_gprs_context *gc,
+					const struct ril_data_call *call)
+{
+	ril_gprs_context_set_servers(gc, call->dnses,
+				ofono_gprs_context_set_ipv4_dns_servers,
+				ofono_gprs_context_set_ipv6_dns_servers);
+}
+
+static void ril_gprs_context_set_proxy_cscf(struct ofono_gprs_context *gc,
+					const struct ril_data_call *call)
+{
+	ril_gprs_context_set_servers(gc, call->pcscf,
+				ofono_gprs_context_set_ipv4_proxy_cscf,
+				ofono_gprs_context_set_ipv6_proxy_cscf);
 }
 
 /* Only compares the stuff that's important to us */
@@ -282,7 +314,8 @@ static void ril_gprs_context_set_dns_servers(struct ofono_gprs_context *gc,
 #define DATA_CALL_ADDRESS_CHANGED   (0x02)
 #define DATA_CALL_GATEWAY_CHANGED   (0x04)
 #define DATA_CALL_DNS_CHANGED       (0x08)
-#define DATA_CALL_ALL_CHANGED       (0x0f)
+#define DATA_CALL_PCSCF_CHANGED     (0x10)
+#define DATA_CALL_ALL_CHANGED       (0x1f)
 static int ril_gprs_context_data_call_change(
 			const struct ril_data_call *c1,
 			const struct ril_data_call *c2)
@@ -308,6 +341,10 @@ static int ril_gprs_context_data_call_change(
 			changes |= DATA_CALL_DNS_CHANGED;
 		}
 
+		if (!gutil_strv_equal(c1->pcscf, c2->pcscf)) {
+			changes |= DATA_CALL_PCSCF_CHANGED;
+		}
+
 		return changes;
 	} else {
 		return DATA_CALL_ALL_CHANGED;
@@ -380,6 +417,11 @@ static void ril_gprs_context_call_list_changed(struct ril_data *data, void *arg)
 		ril_gprs_context_set_dns_servers(gc, call);
 	}
 
+	if (change & DATA_CALL_PCSCF_CHANGED) {
+		DBG("P-CSCF changed");
+		ril_gprs_context_set_proxy_cscf(gc, call);
+	}
+
 	ofono_gprs_context_signal_change(gc, gcd->active_ctx_cid);
 	ril_data_call_free(prev_call);
 }
@@ -421,6 +463,7 @@ static void ril_gprs_context_activate_primary_cb(struct ril_data *data,
 		ril_gprs_context_set_address(gc, call);
 		ril_gprs_context_set_gateway(gc, call);
 		ril_gprs_context_set_dns_servers(gc, call);
+		ril_gprs_context_set_proxy_cscf(gc, call);
 		ril_error_init_ok(&error);
 	}
 

ofono/include/dbus-clients.h

@@ -0,0 +1,55 @@
+/*
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2021 Jolla Ltd.
+ *  Copyright (C) 2021 Open Mobile Platform LLC.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  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.
+ */
+
+#ifndef OFONO_DBUS_CLIENTS_H
+#define OFONO_DBUS_CLIENTS_H
+
+#include <ofono/types.h>
+#include <ofono/dbus.h>
+
+/* Since mer/1.23+git31 */
+
+struct ofono_dbus_clients;
+
+typedef void (*ofono_dbus_clients_notify_func)(const char *name,
+							void *user_data);
+
+struct ofono_dbus_clients *ofono_dbus_clients_new(DBusConnection *conn,
+		ofono_dbus_clients_notify_func notify, void *user_data);
+void ofono_dbus_clients_free(struct ofono_dbus_clients *clients);
+
+unsigned int ofono_dbus_clients_count(struct ofono_dbus_clients *clients);
+
+ofono_bool_t ofono_dbus_clients_add(struct ofono_dbus_clients *clients,
+							const char *name);
+ofono_bool_t ofono_dbus_clients_remove(struct ofono_dbus_clients *clients,
+							const char *name);
+
+void ofono_dbus_clients_signal(struct ofono_dbus_clients *clients,
+							DBusMessage *signal);
+void ofono_dbus_clients_signal_property_changed(struct ofono_dbus_clients *dc,
+		const char *path, const char *interface, const char *name,
+		int type, const void *value);
+
+#endif /* OFONO_DBUS_CLIENTS_H */
+
+/*
+ * Local Variables:
+ * mode: C
+ * c-basic-offset: 8
+ * indent-tabs-mode: t
+ * End:
+ */

ofono/include/dbus.h

@@ -3,7 +3,7 @@
  *  oFono - Open Telephony stack for Linux
  *
  *  Copyright (C) 2008-2011  Intel Corporation. All rights reserved.
- *  Copyright (C) 2013-2016 Jolla Ltd.
+ *  Copyright (C) 2013-2021  Jolla Ltd.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
@@ -14,10 +14,6 @@
  *  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, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifndef __OFONO_DBUS_H
@@ -83,6 +79,8 @@ extern "C" {
 					DBUS_TYPE_VARIANT_AS_STRING \
 					DBUS_DICT_ENTRY_END_CHAR_AS_STRING
 
+#define OFONO_ERROR_INTERFACE "org.ofono.Error"
+
 DBusConnection *ofono_dbus_get_connection(void);
 
 void ofono_dbus_dict_append(DBusMessageIter *dict, const char *key, int type,
@@ -110,6 +108,11 @@ int ofono_dbus_signal_dict_property_changed(DBusConnection *conn,
 						const char *name, int type,
 						const void *value);
 
+/* Since mer/1.23+git31 */
+DBusMessage *ofono_dbus_signal_new_property_changed(const char *path,
+					const char *interface,
+					const char *name,
+					int type, const void *value);
 #ifdef __cplusplus
 }
 #endif

ofono/include/gprs-context.h

@@ -3,6 +3,7 @@
  *  oFono - Open Source Telephony
  *
  *  Copyright (C) 2008-2011  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2015-2021  Jolla Ltd.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
@@ -128,6 +129,8 @@ void ofono_gprs_context_set_ipv4_gateway(struct ofono_gprs_context *gc,
 						const char *gateway);
 void ofono_gprs_context_set_ipv4_dns_servers(struct ofono_gprs_context *gc,
 						const char **dns);
+void ofono_gprs_context_set_ipv4_proxy_cscf(struct ofono_gprs_context *gc,
+				const char **pcscf); /* Since mer/1.23+git30 */
 
 void ofono_gprs_context_set_ipv6_address(struct ofono_gprs_context *gc,
 						const char *address);
@@ -137,6 +140,8 @@ void ofono_gprs_context_set_ipv6_gateway(struct ofono_gprs_context *gc,
 						const char *gateway);
 void ofono_gprs_context_set_ipv6_dns_servers(struct ofono_gprs_context *gc,
 						const char **dns);
+void ofono_gprs_context_set_ipv6_proxy_cscf(struct ofono_gprs_context *gc,
+				const char **pcscf); /* Since mer/1.23+git30 */
 
 void ofono_gprs_context_signal_change(struct ofono_gprs_context *gc,
 							unsigned int cid);

ofono/plugins/sailfish_manager/sailfish_cell_info.c

@@ -128,6 +128,14 @@ void sailfish_cell_info_set_update_interval(struct sailfish_cell_info *info,
 	}
 }
 
+void sailfish_cell_info_set_enabled(struct sailfish_cell_info *info,
+					gboolean enabled)
+{
+	if (info && info->proc->set_enabled) {
+		info->proc->set_enabled(info, enabled);
+	}
+}
+
 /*
  * Local Variables:
  * mode: C

ofono/plugins/sailfish_manager/sailfish_cell_info.h

@@ -89,6 +89,7 @@ struct sailfish_cell_info_proc {
 					sailfish_cell_info_cb_t cb, void *arg);
 	void (*remove_handler)(struct sailfish_cell_info *info, gulong id);
 	void (*set_update_interval)(struct sailfish_cell_info *info, int ms);
+	void (*set_enabled)(struct sailfish_cell_info *info, gboolean enabled);
 };
 
 /* Utilities */
@@ -107,6 +108,8 @@ void sailfish_cell_info_remove_handler(struct sailfish_cell_info *info,
 					gulong id);
 void sailfish_cell_info_set_update_interval(struct sailfish_cell_info *info,
 					int ms);
+void sailfish_cell_info_set_enabled(struct sailfish_cell_info *info,
+					gboolean enabled);
 
 #endif /* SAILFISH_CELINFO_H */
 

ofono/plugins/sailfish_manager/sailfish_cell_info_dbus.c

@@ -1,7 +1,7 @@
 /*
  *  oFono - Open Source Telephony - RIL-based devices
  *
- *  Copyright (C) 2016-2018 Jolla Ltd.
+ *  Copyright (C) 2016-2021 Jolla Ltd.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
@@ -18,6 +18,7 @@
 
 #include <ofono/modem.h>
 #include <ofono/dbus.h>
+#include <ofono/dbus-clients.h>
 #include <ofono/log.h>
 
 #include <gdbus.h>
@@ -35,11 +36,13 @@ struct sailfish_cell_info_dbus {
 	gulong handler_id;
 	guint next_cell_id;
 	GSList *entries;
+	struct ofono_dbus_clients *clients;
 };
 
 #define CELL_INFO_DBUS_INTERFACE            "org.nemomobile.ofono.CellInfo"
 #define CELL_INFO_DBUS_CELLS_ADDED_SIGNAL   "CellsAdded"
 #define CELL_INFO_DBUS_CELLS_REMOVED_SIGNAL "CellsRemoved"
+#define CELL_INFO_DBUS_UNSUBSCRIBED_SIGNAL  "Unsubscribed"
 
 #define CELL_DBUS_INTERFACE_VERSION         (1)
 #define CELL_DBUS_INTERFACE                 "org.nemomobile.ofono.Cell"
@@ -322,21 +325,24 @@ static void sailfish_cell_info_dbus_emit_path_list
 		(struct sailfish_cell_info_dbus *dbus, const char *name,
 							GPtrArray *list)
 {
-	guint i;
+	if (ofono_dbus_clients_count(dbus->clients)) {
-	DBusMessageIter it, array;
+		guint i;
-	DBusMessage *signal = dbus_message_new_signal(dbus->path,
+		DBusMessageIter it, a;
+		DBusMessage *signal = dbus_message_new_signal(dbus->path,
 					CELL_INFO_DBUS_INTERFACE, name);
 
-	dbus_message_iter_init_append(signal, &it);
+		dbus_message_iter_init_append(signal, &it);
-	dbus_message_iter_open_container(&it, DBUS_TYPE_ARRAY, "o", &array);
+		dbus_message_iter_open_container(&it, DBUS_TYPE_ARRAY, "o", &a);
-	for (i = 0; i < list->len; i++) {
+		for (i = 0; i < list->len; i++) {
-		const char* path = list->pdata[i];
+			const char* path = list->pdata[i];
-		dbus_message_iter_append_basic(&array, DBUS_TYPE_OBJECT_PATH,
-								&path);
-	}
-	dbus_message_iter_close_container(&it, &array);
 
-	g_dbus_send_message(dbus->conn, signal);
+			dbus_message_iter_append_basic(&a,
+					DBUS_TYPE_OBJECT_PATH, &path);
+		}
+		dbus_message_iter_close_container(&it, &a);
+		ofono_dbus_clients_signal(dbus->clients, signal);
+		dbus_message_unref(signal);
+	}
 }
 
 static int sailfish_cell_info_dbus_compare(const struct sailfish_cell *c1,
@@ -366,6 +372,23 @@ static int sailfish_cell_info_dbus_compare(const struct sailfish_cell *c1,
 	}
 }
 
+static void sailfish_cell_info_dbus_emit_signal
+		(struct sailfish_cell_info_dbus *dbus,
+				const char *path, const char *intf,
+				const char *name, int type, ...)
+{
+	if (ofono_dbus_clients_count(dbus->clients)) {
+		va_list args;
+		DBusMessage *signal = dbus_message_new_signal(path, intf, name);
+
+		va_start(args, type);
+		dbus_message_append_args_valist(signal, type, args);
+		ofono_dbus_clients_signal(dbus->clients, signal);
+		dbus_message_unref(signal);
+		va_end(args);
+	}
+}
+
 static void sailfish_cell_info_dbus_property_changed
 		(struct sailfish_cell_info_dbus *dbus,
 			const struct sailfish_cell_entry *entry, int mask)
@@ -377,7 +400,8 @@ static void sailfish_cell_info_dbus_property_changed
 
 	if (mask & SAILFISH_CELL_PROPERTY_REGISTERED) {
 		const dbus_bool_t registered = (cell->registered != FALSE);
-		g_dbus_emit_signal(dbus->conn, entry->path,
+
+		sailfish_cell_info_dbus_emit_signal(dbus, entry->path,
 			CELL_DBUS_INTERFACE,
 			CELL_DBUS_REGISTERED_CHANGED_SIGNAL,
 			DBUS_TYPE_BOOLEAN, &registered, DBUS_TYPE_INVALID);
@@ -386,9 +410,10 @@ static void sailfish_cell_info_dbus_property_changed
 
 	for (i = 0; i < n && mask; i++) {
 		if (mask & prop[i].flag) {
-			ofono_dbus_signal_property_changed(dbus->conn,
+			ofono_dbus_clients_signal_property_changed(
-				entry->path, CELL_DBUS_INTERFACE,
+				dbus->clients, entry->path,
-				prop[i].name, DBUS_TYPE_INT32,
+				CELL_DBUS_INTERFACE, prop[i].name,
+				DBUS_TYPE_INT32,
 				G_STRUCT_MEMBER_P(&cell->info, prop[i].off));
 			mask &= ~prop[i].flag;
 		}
@@ -411,7 +436,7 @@ static void sailfish_cell_info_dbus_update_entries
 						sailfish_cell_compare_func)) {
 			DBG("%s removed", entry->path);
 			dbus->entries = g_slist_delete_link(dbus->entries, l);
-			g_dbus_emit_signal(dbus->conn, entry->path,
+			sailfish_cell_info_dbus_emit_signal(dbus, entry->path,
 					CELL_DBUS_INTERFACE,
 					CELL_DBUS_REMOVED_SIGNAL,
 					DBUS_TYPE_INVALID);
@@ -492,29 +517,67 @@ static void sailfish_cell_info_dbus_cells_changed_cb
 		((struct sailfish_cell_info_dbus *)arg, TRUE);
 }
 
+static DBusMessage *sailfish_cell_info_dbus_error_failed(DBusMessage *msg,
+						const char *explanation)
+{
+	return g_dbus_create_error(msg, OFONO_ERROR_INTERFACE ".Failed", "%s",
+								explanation);
+}
+
 static DBusMessage *sailfish_cell_info_dbus_get_cells(DBusConnection *conn,
 						DBusMessage *msg, void *data)
 {
 	struct sailfish_cell_info_dbus *dbus = data;
-	DBusMessage *reply = dbus_message_new_method_return(msg);
+	const char *sender = dbus_message_get_sender(msg);
-	DBusMessageIter it, array;
-	GSList *l;
 
-	dbus_message_iter_init_append(reply, &it);
+	if (ofono_dbus_clients_add(dbus->clients, sender)) {
-	dbus_message_iter_open_container(&it, DBUS_TYPE_ARRAY, "o", &array);
+		DBusMessage *reply = dbus_message_new_method_return(msg);
-	for (l = dbus->entries; l; l = l->next) {
+		DBusMessageIter it, a;
-		const struct sailfish_cell_entry *entry = l->data;
+		GSList *l;
-		dbus_message_iter_append_basic(&array, DBUS_TYPE_OBJECT_PATH,
+
-								&entry->path);
+		sailfish_cell_info_set_enabled(dbus->info, TRUE);
+		dbus_message_iter_init_append(reply, &it);
+		dbus_message_iter_open_container(&it, DBUS_TYPE_ARRAY, "o", &a);
+		for (l = dbus->entries; l; l = l->next) {
+			const struct sailfish_cell_entry *entry = l->data;
+
+			dbus_message_iter_append_basic(&a,
+					DBUS_TYPE_OBJECT_PATH, &entry->path);
+		}
+		dbus_message_iter_close_container(&it, &a);
+		return reply;
 	}
-	dbus_message_iter_close_container(&it, &array);
+	return sailfish_cell_info_dbus_error_failed(msg, "Operation failed");
-	return reply;
+}
+
+static DBusMessage *sailfish_cell_info_dbus_unsubscribe(DBusConnection *conn,
+						DBusMessage *msg, void *data)
+{
+	struct sailfish_cell_info_dbus *dbus = data;
+	const char *sender = dbus_message_get_sender(msg);
+
+	DBG("%s", sender);
+	if (ofono_dbus_clients_remove(dbus->clients, sender)) {
+		DBusMessage *signal = dbus_message_new_signal(dbus->path,
+			CELL_INFO_DBUS_INTERFACE,
+			CELL_INFO_DBUS_UNSUBSCRIBED_SIGNAL);
+
+		if (!ofono_dbus_clients_count(dbus->clients)) {
+			sailfish_cell_info_set_enabled(dbus->info, FALSE);
+		}
+		dbus_message_set_destination(signal, sender);
+		g_dbus_send_message(dbus->conn, signal);
+		return dbus_message_new_method_return(msg);
+	}
+	return sailfish_cell_info_dbus_error_failed(msg, "Not subscribed");
 }
 
 static const GDBusMethodTable sailfish_cell_info_dbus_methods[] = {
 	{ GDBUS_METHOD("GetCells", NULL,
 			GDBUS_ARGS({ "paths", "ao" }),
 			sailfish_cell_info_dbus_get_cells) },
+	{ GDBUS_METHOD("Unsubscribe", NULL, NULL,
+			sailfish_cell_info_dbus_unsubscribe) },
 	{ }
 };
 
@@ -523,9 +586,20 @@ static const GDBusSignalTable sailfish_cell_info_dbus_signals[] = {
 			GDBUS_ARGS({ "paths", "ao" })) },
 	{ GDBUS_SIGNAL(CELL_INFO_DBUS_CELLS_REMOVED_SIGNAL,
 			GDBUS_ARGS({ "paths", "ao" })) },
+	{ GDBUS_SIGNAL(CELL_INFO_DBUS_UNSUBSCRIBED_SIGNAL,
+			GDBUS_ARGS({})) },
 	{ }
 };
 
+static void sailfish_cell_info_dbus_disconnect_cb(const char *name, void *data)
+{
+	struct sailfish_cell_info_dbus *dbus = data;
+
+	if (!ofono_dbus_clients_count(dbus->clients)) {
+		sailfish_cell_info_set_enabled(dbus->info, FALSE);
+	}
+}
+
 struct sailfish_cell_info_dbus *sailfish_cell_info_dbus_new
 		(struct ofono_modem *modem, struct sailfish_cell_info *info)
 {
@@ -550,6 +624,8 @@ struct sailfish_cell_info_dbus *sailfish_cell_info_dbus_new
 			ofono_modem_add_interface(modem,
 						CELL_INFO_DBUS_INTERFACE);
 			sailfish_cell_info_dbus_update_entries(dbus, FALSE);
+			dbus->clients = ofono_dbus_clients_new(dbus->conn,
+				sailfish_cell_info_dbus_disconnect_cb, dbus);
 			return dbus;
 		} else {
 			ofono_error("CellInfo D-Bus register failed");
@@ -565,6 +641,7 @@ void sailfish_cell_info_dbus_free(struct sailfish_cell_info_dbus *dbus)
 		GSList *l;
 
 		DBG("%s", dbus->path);
+		ofono_dbus_clients_free(dbus->clients);
 		g_dbus_unregister_interface(dbus->conn, dbus->path,
 					CELL_INFO_DBUS_INTERFACE);
 

ofono/src/dbus-clients.c

@@ -0,0 +1,182 @@
+/*
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2017-2018 Jolla Ltd.
+ *  Copyright (C) 2020 Open Mobile Platform LLC.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  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.
+ */
+
+#include <ofono/dbus-clients.h>
+#include <ofono/gdbus.h>
+#include <ofono/log.h>
+
+struct ofono_dbus_client {
+	struct ofono_dbus_clients *clients;
+	char *name;
+	unsigned int watch_id;
+};
+
+struct ofono_dbus_clients {
+	DBusConnection* conn;
+	GHashTable* table;
+	ofono_dbus_clients_notify_func notify;
+	void *user_data;
+};
+
+/* Compatible with GDestroyNotify */
+static void ofono_dbus_client_free(struct ofono_dbus_client *client)
+{
+	struct ofono_dbus_clients *clients = client->clients;
+
+	/* Callers make sure that client parameter is not NULL */
+	if (client->watch_id) {
+		g_dbus_remove_watch(clients->conn, client->watch_id);
+	}
+	g_free(client->name);
+	g_slice_free(struct ofono_dbus_client, client);
+}
+
+static void ofono_dbus_clients_disconnect_notify(DBusConnection *connection,
+							void *user_data)
+{
+	struct ofono_dbus_client *client = user_data;
+	struct ofono_dbus_clients *self = client->clients;
+	char *name = client->name;
+
+	/*
+	 * Steal the name so that it doesn't get freed by
+	 * ofono_dbus_client_free(). We want to pass it to
+	 * the callback but first we need to delete client's
+	 * entry from the hashtable.
+	 */
+	client->name = NULL;
+	DBG("%s is gone", name);
+	g_hash_table_remove(self->table, name);
+	if (self->notify) {
+		self->notify(name, self->user_data);
+	}
+	g_free(name);
+}
+
+struct ofono_dbus_clients *ofono_dbus_clients_new(DBusConnection *conn,
+		ofono_dbus_clients_notify_func notify, void *user_data)
+{
+	if (conn) {
+		struct ofono_dbus_clients *self =
+			g_slice_new0(struct ofono_dbus_clients);
+
+		self->conn = dbus_connection_ref(conn);
+		self->table = g_hash_table_new_full(g_str_hash, g_str_equal,
+				NULL, (GDestroyNotify) ofono_dbus_client_free);
+		self->notify = notify;
+		self->user_data = user_data;
+		return self;
+	}
+	return NULL;
+}
+
+void ofono_dbus_clients_free(struct ofono_dbus_clients *self)
+{
+	if (self) {
+		g_hash_table_destroy(self->table);
+		dbus_connection_unref(self->conn);
+		g_slice_free(struct ofono_dbus_clients, self);
+	}
+}
+
+unsigned int ofono_dbus_clients_count(struct ofono_dbus_clients *self)
+{
+	return self ? g_hash_table_size(self->table) : 0;
+}
+
+ofono_bool_t ofono_dbus_clients_add(struct ofono_dbus_clients *self,
+							const char *name)
+{
+	if (self && name) {
+		struct ofono_dbus_client *client =
+				g_slice_new0(struct ofono_dbus_client);
+
+		client->clients = self;
+		client->name = g_strdup(name);
+		client->watch_id = g_dbus_add_disconnect_watch(self->conn,
+			client->name, ofono_dbus_clients_disconnect_notify,
+			client, NULL);
+
+		if (client->watch_id) {
+			DBG("%s is registered", client->name);
+			g_hash_table_replace(self->table, (gpointer)
+				client->name, client);
+			return TRUE;
+		} else {
+			DBG("failed to register %s", client->name);
+			ofono_dbus_client_free(client);
+		}
+	}
+	return FALSE;
+}
+
+ofono_bool_t ofono_dbus_clients_remove(struct ofono_dbus_clients *self,
+							const char *name)
+{
+	return self && name && g_hash_table_remove(self->table, name);
+}
+
+void ofono_dbus_clients_signal(struct ofono_dbus_clients *self,
+							DBusMessage *signal)
+{
+	if (self && signal && g_hash_table_size(self->table)) {
+		GHashTableIter it;
+		gpointer key;
+		const char *last_name = NULL;
+
+		g_hash_table_iter_init(&it, self->table);
+		g_hash_table_iter_next(&it, &key, NULL);
+		last_name = key;
+
+		while (g_hash_table_iter_next(&it, &key, NULL)) {
+			DBusMessage *copy = dbus_message_copy(signal);
+
+			dbus_message_set_destination(copy, key);
+			g_dbus_send_message(self->conn, copy);
+		}
+
+		/*
+		 * The last one. Note that g_dbus_send_message() unrefs
+		 * the message, we need compensate for that by adding a
+		 * reference. The caller still owns the message when this
+		 * function returns.
+		 */
+		dbus_message_ref(signal);
+		dbus_message_set_destination(signal, last_name);
+		g_dbus_send_message(self->conn, signal);
+	}
+}
+
+void ofono_dbus_clients_signal_property_changed(struct ofono_dbus_clients *self,
+		const char *path, const char *interface, const char *name,
+		int type, const void *value)
+{
+	if (self && g_hash_table_size(self->table)) {
+		DBusMessage *sig = ofono_dbus_signal_new_property_changed(path,
+			interface, name, type, value);
+
+		ofono_dbus_clients_signal(self, sig);
+		dbus_message_unref(sig);
+	}
+}
+
+/*
+ * Local Variables:
+ * mode: C
+ * c-basic-offset: 8
+ * indent-tabs-mode: t
+ * End:
+ */

ofono/src/dbus.c

@@ -3,6 +3,7 @@
  *  oFono - Open Source Telephony
  *
  *  Copyright (C) 2008-2011  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2013-2021  Jolla Ltd.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
@@ -13,10 +14,6 @@
  *  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, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
@@ -29,8 +26,6 @@
 
 #include "ofono.h"
 
-#define OFONO_ERROR_INTERFACE "org.ofono.Error"
-
 static DBusConnection *g_connection;
 
 struct error_mapping_entry {
@@ -209,8 +204,8 @@ void ofono_dbus_dict_append_dict(DBusMessageIter *dict, const char *key,
 	dbus_message_iter_close_container(dict, &entry);
 }
 
-int ofono_dbus_signal_property_changed(DBusConnection *conn,
+/* Since mer/1.23+git31 */
-					const char *path,
+DBusMessage *ofono_dbus_signal_new_property_changed(const char *path,
 					const char *interface,
 					const char *name,
 					int type, const void *value)
@@ -219,11 +214,8 @@ int ofono_dbus_signal_property_changed(DBusConnection *conn,
 	DBusMessageIter iter;
 
 	signal = dbus_message_new_signal(path, interface, "PropertyChanged");
-	if (signal == NULL) {
+	if (signal == NULL)
-		ofono_error("Unable to allocate new %s.PropertyChanged signal",
+		return NULL;
-				interface);
-		return -1;
-	}
 
 	dbus_message_iter_init_append(signal, &iter);
 
@@ -231,6 +223,24 @@ int ofono_dbus_signal_property_changed(DBusConnection *conn,
 
 	append_variant(&iter, type, value);
 
+	return signal;
+}
+
+int ofono_dbus_signal_property_changed(DBusConnection *conn,
+					const char *path,
+					const char *interface,
+					const char *name,
+					int type, const void *value)
+{
+	DBusMessage *signal = ofono_dbus_signal_new_property_changed(path,
+						interface, name, type, value);
+
+	if (signal == NULL) {
+		ofono_error("Unable to allocate new %s.PropertyChanged signal",
+				interface);
+		return -1;
+	}
+
 	return g_dbus_send_message(conn, signal);
 }
 

ofono/src/gprs.c

@@ -3,7 +3,7 @@
  *  oFono - Open Source Telephony
  *
  *  Copyright (C) 2008-2011  Intel Corporation. All rights reserved.
- *  Copyright (C) 2015-2020  Jolla Ltd.
+ *  Copyright (C) 2015-2021  Jolla Ltd.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
@@ -97,6 +97,7 @@ struct ipv4_settings {
 	char *netmask;
 	char *gateway;
 	char **dns;
+	char **pcscf;
 	char *proxy;
 };
 
@@ -105,6 +106,7 @@ struct ipv6_settings {
 	unsigned char prefix_len;
 	char *gateway;
 	char **dns;
+	char **pcscf;
 };
 
 struct context_settings {
@@ -410,6 +412,7 @@ static void context_settings_free(struct context_settings *settings)
 		g_free(settings->ipv4->netmask);
 		g_free(settings->ipv4->gateway);
 		g_strfreev(settings->ipv4->dns);
+		g_strfreev(settings->ipv4->pcscf);
 		g_free(settings->ipv4->proxy);
 
 		g_free(settings->ipv4);
@@ -420,6 +423,7 @@ static void context_settings_free(struct context_settings *settings)
 		g_free(settings->ipv6->ip);
 		g_free(settings->ipv6->gateway);
 		g_strfreev(settings->ipv6->dns);
+		g_strfreev(settings->ipv6->pcscf);
 
 		g_free(settings->ipv6);
 		settings->ipv6 = NULL;
@@ -484,6 +488,11 @@ static void context_settings_append_ipv4(struct context_settings *settings,
 						DBUS_TYPE_STRING,
 						&settings->ipv4->dns);
 
+	if (settings->ipv4->pcscf)
+		ofono_dbus_dict_append_array(&array, "ProxyCSCF",
+						DBUS_TYPE_STRING,
+						&settings->ipv4->pcscf);
+
 done:
 	dbus_message_iter_close_container(&variant, &array);
 
@@ -549,6 +558,11 @@ static void context_settings_append_ipv6(struct context_settings *settings,
 						DBUS_TYPE_STRING,
 						&settings->ipv6->dns);
 
+	if (settings->ipv6->pcscf)
+		ofono_dbus_dict_append_array(&array, "ProxyCSCF",
+						DBUS_TYPE_STRING,
+						&settings->ipv6->pcscf);
+
 done:
 	dbus_message_iter_close_container(&variant, &array);
 
@@ -3417,6 +3431,18 @@ void ofono_gprs_context_set_ipv4_dns_servers(struct ofono_gprs_context *gc,
 	settings->ipv4->dns = g_strdupv((char **) dns);
 }
 
+void ofono_gprs_context_set_ipv4_proxy_cscf(struct ofono_gprs_context *gc,
+						const char **pcscf)
+{
+	struct context_settings *settings = gc->settings;
+
+	if (settings->ipv4 == NULL)
+		return;
+
+	g_strfreev(settings->ipv4->pcscf);
+	settings->ipv4->pcscf = g_strdupv((char **) pcscf);
+}
+
 void ofono_gprs_context_set_ipv6_address(struct ofono_gprs_context *gc,
 						const char *address)
 {
@@ -3464,6 +3490,18 @@ void ofono_gprs_context_set_ipv6_dns_servers(struct ofono_gprs_context *gc,
 	settings->ipv6->dns = g_strdupv((char **) dns);
 }
 
+void ofono_gprs_context_set_ipv6_proxy_cscf(struct ofono_gprs_context *gc,
+						const char **pcscf)
+{
+	struct context_settings *settings = gc->settings;
+
+	if (settings->ipv6 == NULL)
+		return;
+
+	g_strfreev(settings->ipv6->pcscf);
+	settings->ipv6->pcscf = g_strdupv((char **) pcscf);
+}
+
 void ofono_gprs_context_signal_change(struct ofono_gprs_context *gc,
 							unsigned int cid)
 {

ofono/src/sim.c

@@ -3823,7 +3823,7 @@ struct ofono_sim_aid_session *__ofono_sim_get_session_by_aid(
 		struct ofono_sim_aid_session *session = iter->data;
 
 		if (session->record->aid.len == aid->len &&
-			!memcmp(session->record->aid.aid, aid, aid->len))
+			!memcmp(session->record->aid.aid, aid->aid, aid->len))
 			return session;
 
 		iter = g_slist_next(iter);

ofono/unit/coverage

@@ -18,6 +18,7 @@ TESTS="\
  test-caif \
  test-dbus-queue \
  test-dbus-access \
+ test-dbus-clients \
  test-gprs-filter \
  test-provision \
  test-config \

ofono/unit/test-dbus-clients.c

@@ -0,0 +1,280 @@
+/*
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2021 Jolla Ltd. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  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.
+ */
+
+#include "test-dbus.h"
+
+#include <ofono/dbus-clients.h>
+#include <ofono/dbus.h>
+#include <ofono/log.h>
+#include "ofono.h"
+
+#include <gutil_log.h>
+#include <gutil_macros.h>
+
+#include <errno.h>
+
+#define TEST_TIMEOUT                    (10)   /* seconds */
+#define TEST_SENDER                     ":1.0"
+#define TEST_SENDER_1                   ":1.1"
+
+#define TEST_DBUS_PATH                  "/test"
+#define TEST_DBUS_INTERFACE             "test.interface"
+#define TEST_PROPERTY_CHANGED_SIGNAL    "PropertyChanged"
+#define TEST_PROPERTY_NAME              "Test"
+#define TEST_PROPERTY_VALUE             "test"
+
+struct test_data {
+	struct test_dbus_context dbus;
+	struct ofono_dbus_clients *clients;
+	int count;
+};
+
+static gboolean test_debug;
+
+/* ==== dummy interface ==== */
+
+#define test_register_interface(methods,signals,data) \
+	g_assert(g_dbus_register_interface(ofono_dbus_get_connection(), \
+				TEST_DBUS_PATH, TEST_DBUS_INTERFACE, \
+				methods, signals, NULL, data, NULL))
+
+#define test_register_dummy_interface() \
+	test_register_interface(test_dummy_methods, \
+				test_property_change_signal, NULL)
+
+static DBusMessage *test_dummy_handler(DBusConnection *conn,
+					DBusMessage *msg, void *data)
+{
+	g_assert_not_reached();
+	return NULL;
+}
+
+static const GDBusMethodTable test_dummy_methods[] = {
+	{ GDBUS_ASYNC_METHOD("Dummy", NULL, NULL, test_dummy_handler) },
+	{ }
+};
+
+static const GDBusSignalTable test_property_change_signal[] = {
+	{ GDBUS_SIGNAL("PropertyChanged",
+			GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
+	{ }
+};
+
+/* ==== common ==== */
+
+static gboolean test_timeout(gpointer param)
+{
+	g_assert(!"TIMEOUT");
+	return G_SOURCE_REMOVE;
+}
+
+static guint test_setup_timeout(void)
+{
+	if (test_debug) {
+		return 0;
+	} else {
+		return g_timeout_add_seconds(TEST_TIMEOUT, test_timeout, NULL);
+	}
+}
+
+static gboolean test_loop_quit(gpointer data)
+{
+	g_main_loop_quit(data);
+	return G_SOURCE_REMOVE;
+}
+
+static void test_loop_quit_later(GMainLoop *loop)
+{
+	g_idle_add(test_loop_quit, loop);
+}
+
+/* ==== null ==== */
+
+static void test_null(void)
+{
+	/* We are NULL tolerant: */
+	ofono_dbus_clients_free(NULL);
+	ofono_dbus_clients_signal(NULL, NULL);
+	ofono_dbus_clients_signal_property_changed(NULL,NULL,NULL,NULL,0,NULL);
+	g_assert(!ofono_dbus_clients_new(NULL, NULL, NULL));
+	g_assert(!ofono_dbus_clients_count(NULL));
+	g_assert(!ofono_dbus_clients_add(NULL, NULL));
+	g_assert(!ofono_dbus_clients_remove(NULL, NULL));
+}
+
+/* ==== basic ==== */
+
+static void test_basic_notify_func(const char *name, void *loop)
+{
+	g_assert_cmpstr(name, == ,TEST_SENDER);
+	g_main_loop_quit(loop);
+}
+
+static void test_basic_start(struct test_dbus_context *dbus)
+{
+	struct test_data *test = G_CAST(dbus, struct test_data, dbus);
+	const char *value = TEST_PROPERTY_VALUE;
+	DBusMessage *signal =
+		ofono_dbus_signal_new_property_changed(TEST_DBUS_PATH,
+			TEST_DBUS_INTERFACE, TEST_PROPERTY_NAME,
+			DBUS_TYPE_STRING, &value);
+
+	test->clients = ofono_dbus_clients_new(ofono_dbus_get_connection(),
+				test_basic_notify_func, test->dbus.loop);
+
+	g_assert(!ofono_dbus_clients_add(test->clients, NULL));
+	g_assert(ofono_dbus_clients_add(test->clients, TEST_SENDER));
+	g_assert(ofono_dbus_clients_remove(test->clients, TEST_SENDER));
+	g_assert(!ofono_dbus_clients_remove(test->clients, TEST_SENDER));
+
+	/* OK to add the same thing twice */
+	g_assert(ofono_dbus_clients_add(test->clients, TEST_SENDER));
+	g_assert(ofono_dbus_clients_add(test->clients, TEST_SENDER));
+	g_assert_cmpuint(ofono_dbus_clients_count(test->clients), == ,1);
+	test_dbus_watch_disconnect_all();
+	g_assert_cmpuint(ofono_dbus_clients_count(test->clients), == ,0);
+
+	/* There's nothing to remove */
+	g_assert(!ofono_dbus_clients_remove(test->clients, TEST_SENDER));
+	g_assert(!ofono_dbus_clients_remove(test->clients, NULL));
+
+	/* These have no effect because client list is empty: */
+	ofono_dbus_clients_signal(test->clients, NULL);
+	ofono_dbus_clients_signal(test->clients, signal);
+	ofono_dbus_clients_signal_property_changed(test->clients, NULL, NULL,
+							NULL, 0, NULL);
+	ofono_dbus_clients_signal_property_changed(test->clients,
+				TEST_DBUS_PATH, TEST_DBUS_INTERFACE,
+				TEST_PROPERTY_NAME, DBUS_TYPE_STRING, &value);
+
+	/* test_basic_notify_func() has called test_loop_quit_later() */
+	dbus_message_unref(signal);
+}
+
+static void test_basic(void)
+{
+	struct test_data test;
+	guint timeout = test_setup_timeout();
+
+	memset(&test, 0, sizeof(test));
+	test_dbus_setup(&test.dbus);
+	test.dbus.start = test_basic_start;
+
+	g_main_loop_run(test.dbus.loop);
+
+	g_assert(test.clients);
+	ofono_dbus_clients_free(test.clients);
+	test_dbus_shutdown(&test.dbus);
+	if (timeout) {
+		g_source_remove(timeout);
+	}
+}
+
+/* ==== signal ==== */
+
+static void test_signal_handle(struct test_dbus_context *dbus, DBusMessage *msg)
+{
+	struct test_data *test = G_CAST(dbus, struct test_data, dbus);
+
+	g_assert_cmpstr(dbus_message_get_path(msg), == ,TEST_DBUS_PATH);
+	g_assert_cmpstr(dbus_message_get_interface(msg), == ,
+						TEST_DBUS_INTERFACE);
+	g_assert_cmpstr(dbus_message_get_member(msg), == ,
+						TEST_PROPERTY_CHANGED_SIGNAL);
+	test->count++;
+	if (test->count == 2) {
+		test_loop_quit_later(dbus->loop);
+	}
+}
+
+static void test_signal_start(struct test_dbus_context *dbus)
+{
+	struct test_data *test = G_CAST(dbus, struct test_data, dbus);
+	const char *value = TEST_PROPERTY_VALUE;
+
+	test_register_dummy_interface();
+	test->clients = ofono_dbus_clients_new(ofono_dbus_get_connection(),
+								NULL, NULL);
+
+	g_assert(ofono_dbus_clients_add(test->clients, TEST_SENDER));
+	g_assert(ofono_dbus_clients_add(test->clients, TEST_SENDER_1));
+	g_assert_cmpuint(ofono_dbus_clients_count(test->clients), == ,2);
+
+	ofono_dbus_clients_signal_property_changed(test->clients,
+				TEST_DBUS_PATH, TEST_DBUS_INTERFACE,
+				TEST_PROPERTY_NAME, DBUS_TYPE_STRING, &value);
+	/* And wait for 2 signals to arrive */
+}
+
+static void test_signal(void)
+{
+	struct test_data test;
+	guint timeout = test_setup_timeout();
+
+	memset(&test, 0, sizeof(test));
+	test_dbus_setup(&test.dbus);
+	test.dbus.start = test_signal_start;
+	test.dbus.handle_signal = test_signal_handle;
+
+	g_main_loop_run(test.dbus.loop);
+
+	g_assert_cmpuint(ofono_dbus_clients_count(test.clients), == ,2);
+	test_dbus_watch_disconnect_all();
+	g_assert_cmpuint(ofono_dbus_clients_count(test.clients), == ,0);
+	ofono_dbus_clients_free(test.clients);
+
+	test_dbus_shutdown(&test.dbus);
+	if (timeout) {
+		g_source_remove(timeout);
+	}
+}
+
+#define TEST_(name) "/dbus-clients/" name
+
+int main(int argc, char *argv[])
+{
+	int i;
+
+	g_test_init(&argc, &argv, NULL);
+	for (i = 1; i < argc; i++) {
+		const char *arg = argv[i];
+		if (!strcmp(arg, "-d") || !strcmp(arg, "--debug")) {
+			test_debug = TRUE;
+		} else {
+			GWARN("Unsupported command line option %s", arg);
+		}
+	}
+
+	gutil_log_timestamp = FALSE;
+	gutil_log_default.level = g_test_verbose() ?
+		GLOG_LEVEL_VERBOSE : GLOG_LEVEL_NONE;
+	__ofono_log_init("test-dbus-clients",
+				g_test_verbose() ? "*" : NULL,
+				FALSE, FALSE);
+
+	g_test_add_func(TEST_("null"), test_null);
+	g_test_add_func(TEST_("basic"), test_basic);
+	g_test_add_func(TEST_("signal"), test_signal);
+
+	return g_test_run();
+}
+
+/*
+ * Local Variables:
+ * mode: C
+ * c-basic-offset: 8
+ * indent-tabs-mode: t
+ * End:
+ */

ofono/unit/test-dbus.c

@@ -1,7 +1,7 @@
 /*
  *  oFono - Open Source Telephony
  *
- *  Copyright (C) 2018-2019 Jolla Ltd.
+ *  Copyright (C) 2018-2021 Jolla Ltd.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
@@ -133,6 +133,13 @@ guint g_dbus_add_signal_watch(DBusConnection *connection, const char *sender,
     return test_dbus_add_watch(connection, NULL, destroy, user_data);
 }
 
+guint g_dbus_add_disconnect_watch(DBusConnection *connection, const char *name,
+		GDBusWatchFunction func, void *user_data,
+		GDBusDestroyFunction destroy)
+{
+	return test_dbus_add_watch(connection, func, destroy, user_data);
+}
+
 gboolean g_dbus_remove_watch(DBusConnection *connection, guint id)
 {
 	struct test_dbus_watch *prev = NULL;
@@ -303,6 +310,9 @@ static DBusHandlerResult test_dbus_client_message_cb(DBusConnection *conn,
 						dbus_message_get_path(msg));
 		test->client_signals = g_slist_append(test->client_signals,
 						dbus_message_ref(msg));
+		if (test->handle_signal) {
+			test->handle_signal(test, msg);
+		}
 		return DBUS_HANDLER_RESULT_HANDLED;
 	} else {
 		return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;

ofono/unit/test-dbus.h

@@ -1,7 +1,7 @@
 /*
  *  oFono - Open Source Telephony
  *
- *  Copyright (C) 2018 Jolla Ltd.
+ *  Copyright (C) 2018-2021 Jolla Ltd.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
@@ -25,6 +25,7 @@ struct test_dbus_context {
 	DBusConnection *client_connection;
 	GSList* client_signals;
 	void (*start)(struct test_dbus_context *test);
+	void (*handle_signal)(struct test_dbus_context *test, DBusMessage *msg);
 	guint timeout_id;
 };
 

ofono/unit/test-sailfish_cell_info_dbus.c

@@ -1,7 +1,7 @@
 /*
  *  oFono - Open Source Telephony
  *
- *  Copyright (C) 2018 Jolla Ltd.
+ *  Copyright (C) 2018-2021 Jolla Ltd.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
@@ -31,6 +31,7 @@
 #define CELL_INFO_DBUS_INTERFACE            "org.nemomobile.ofono.CellInfo"
 #define CELL_INFO_DBUS_CELLS_ADDED_SIGNAL   "CellsAdded"
 #define CELL_INFO_DBUS_CELLS_REMOVED_SIGNAL "CellsRemoved"
+#define CELL_INFO_DBUS_UNSUBSCRIBED_SIGNAL  "Unsubscribed"
 
 #define CELL_DBUS_INTERFACE_VERSION         (1)
 #define CELL_DBUS_INTERFACE                 "org.nemomobile.ofono.Cell"
@@ -66,7 +67,7 @@ static gboolean test_timeout(gpointer param)
 
 static guint test_setup_timeout(void)
 {
-	if (!test_debug) {
+	if (test_debug) {
 		return 0;
 	} else {
 		return g_timeout_add_seconds(TEST_TIMEOUT, test_timeout, NULL);
@@ -102,6 +103,19 @@ static DBusMessage *test_new_cell_call(const char *path, const char *method)
 	return msg;
 }
 
+static void test_submit_cell_info_call(DBusConnection* connection,
+		const char *method, DBusPendingCallNotifyFunction notify,
+		void *data)
+{
+	DBusMessage *msg = test_new_cell_info_call(method);
+	DBusPendingCall* call;
+
+	g_assert(dbus_connection_send_with_reply(connection, msg, &call,
+						DBUS_TIMEOUT_INFINITE));
+	dbus_pending_call_set_notify(call, notify, data, NULL);
+	dbus_message_unref(msg);
+}
+
 static void test_submit_get_all_call(DBusConnection* connection,
 		const char *cell_path, DBusPendingCallNotifyFunction notify,
 		void *data)
@@ -186,6 +200,26 @@ static void test_check_get_all_reply(DBusPendingCall *call,
 	dbus_message_unref(reply);
 }
 
+static void test_check_empty_reply(DBusPendingCall *call)
+{
+	DBusMessage *reply = dbus_pending_call_steal_reply(call);
+	DBusMessageIter it;
+
+	g_assert(dbus_message_get_type(reply) ==
+					DBUS_MESSAGE_TYPE_METHOD_RETURN);
+	dbus_message_iter_init(reply, &it);
+	g_assert(dbus_message_iter_get_arg_type(&it) == DBUS_TYPE_INVALID);
+	dbus_message_unref(reply);
+}
+
+static void test_check_error(DBusPendingCall *call, const char* name)
+{
+	DBusMessage *reply = dbus_pending_call_steal_reply(call);
+
+	g_assert(dbus_message_is_error(reply, name));
+	dbus_message_unref(reply);
+}
+
 static struct sailfish_cell *test_cell_init_gsm1(struct sailfish_cell *cell)
 {
 	struct sailfish_cell_info_gsm *gsm = &cell->info.gsm;
@@ -311,19 +345,13 @@ struct test_get_cells_data {
 static void test_get_cells_call(struct test_get_cells_data *test,
 				DBusPendingCallNotifyFunction notify)
 {
-	DBusPendingCall *call;
+	test_submit_cell_info_call(test->context.client_connection, "GetCells",
-	DBusConnection *connection = test->context.client_connection;
+								notify, test);
-	DBusMessage *msg = test_new_cell_info_call("GetCells");
-
-	g_assert(dbus_connection_send_with_reply(connection, msg, &call,
-						DBUS_TIMEOUT_INFINITE));
-	dbus_pending_call_set_notify(call, notify, test, NULL);
-	dbus_message_unref(msg);
 }
 
 static void test_get_cells_start_reply3(DBusPendingCall *call, void *data)
 {
- 	struct test_get_cells_data *test = data;
+	struct test_get_cells_data *test = data;
 	DBusMessageIter it;
 	DBusMessage *signal = test_dbus_take_signal(&test->context,
 				test->modem.path, CELL_INFO_DBUS_INTERFACE,
@@ -344,7 +372,7 @@ static void test_get_cells_start_reply3(DBusPendingCall *call, void *data)
 
 static void test_get_cells_start_reply2(DBusPendingCall *call, void *data)
 {
- 	struct test_get_cells_data *test = data;
+	struct test_get_cells_data *test = data;
 	const char *cell_added = "/test/cell_1";
 	struct sailfish_cell cell;
 	DBusMessageIter it;
@@ -371,7 +399,7 @@ static void test_get_cells_start_reply2(DBusPendingCall *call, void *data)
 
 static void test_get_cells_start_reply1(DBusPendingCall *call, void *data)
 {
- 	struct test_get_cells_data *test = data;
+	struct test_get_cells_data *test = data;
 	struct sailfish_cell cell;
 
 	DBG("");
@@ -432,7 +460,7 @@ struct test_get_all_data {
 
 static void test_get_all_reply(DBusPendingCall *call, void *data)
 {
- 	struct test_get_all_data *test = data;
+	struct test_get_all_data *test = data;
 
 	DBG("");
 	test_check_get_all_reply(call, &test->cell, test->type);
@@ -519,7 +547,7 @@ struct test_get_version_data {
 
 static void test_get_version_reply(DBusPendingCall *call, void *data)
 {
- 	struct test_get_version_data *test = data;
+	struct test_get_version_data *test = data;
 	DBusMessage *reply = dbus_pending_call_steal_reply(call);
 	dbus_int32_t version;
 
@@ -588,7 +616,7 @@ struct test_get_type_data {
 
 static void test_get_type_reply(DBusPendingCall *call, void *data)
 {
- 	struct test_get_type_data *test = data;
+	struct test_get_type_data *test = data;
 	DBusMessage *reply = dbus_pending_call_steal_reply(call);
 	DBusMessageIter it;
 
@@ -656,7 +684,7 @@ struct test_get_registered_data {
 
 static void test_get_registered_reply(DBusPendingCall *call, void *data)
 {
- 	struct test_get_registered_data *test = data;
+	struct test_get_registered_data *test = data;
 	DBusMessage *reply = dbus_pending_call_steal_reply(call);
 	DBusMessageIter it;
 
@@ -725,7 +753,7 @@ struct test_get_properties_data {
 
 static void test_get_properties_reply(DBusPendingCall *call, void *data)
 {
- 	struct test_get_properties_data *test = data;
+	struct test_get_properties_data *test = data;
 	DBusMessage *reply = dbus_pending_call_steal_reply(call);
 	DBusMessageIter it, array;
 
@@ -799,9 +827,9 @@ struct test_registered_changed_data {
 	const char *cell_path;
 };
 
-static void test_registered_changed_reply(DBusPendingCall *call, void *data)
+static void test_registered_changed_reply2(DBusPendingCall *call, void *data)
 {
- 	struct test_registered_changed_data *test = data;
+	struct test_registered_changed_data *test = data;
 
 	DBG("");
 	test_check_get_all_reply(call, &test->cell, test->type);
@@ -810,17 +838,14 @@ static void test_registered_changed_reply(DBusPendingCall *call, void *data)
 	test_loop_quit_later(test->context.loop);
 }
 
-static void test_registered_changed_start(struct test_dbus_context *context)
+static void test_registered_changed_reply1(DBusPendingCall *call, void *data)
 {
-	struct test_registered_changed_data *test =
+	struct test_registered_changed_data *test = data;
-		G_CAST(context, struct test_registered_changed_data, context);
 	struct sailfish_cell *first_cell;
 
 	DBG("");
-	test->info = fake_cell_info_new();
+	test_check_get_cells_reply(call, test->cell_path, NULL);
-	fake_cell_info_add_cell(test->info, &test->cell);
+	dbus_pending_call_unref(call);
-	test->dbus = sailfish_cell_info_dbus_new(&test->modem, test->info);
-	g_assert(test->dbus);
 
 	/* Trigger "RegisteredChanged" signal */
 	first_cell = test->info->cells->data;
@@ -828,8 +853,24 @@ static void test_registered_changed_start(struct test_dbus_context *context)
 	first_cell->registered = !first_cell->registered;
 	fake_cell_info_cells_changed(test->info);
 
-	test_submit_get_all_call(context->client_connection, test->cell_path,
+	test_submit_get_all_call(test->context.client_connection,
-				test_registered_changed_reply, test);
+		test->cell_path, test_registered_changed_reply2, test);
+}
+
+static void test_registered_changed_start(struct test_dbus_context *context)
+{
+	struct test_registered_changed_data *test =
+		G_CAST(context, struct test_registered_changed_data, context);
+
+	DBG("");
+	test->info = fake_cell_info_new();
+	fake_cell_info_add_cell(test->info, &test->cell);
+	test->dbus = sailfish_cell_info_dbus_new(&test->modem, test->info);
+	g_assert(test->dbus);
+
+	/* Submit GetCells to enable "RegisteredChanged" signals */
+	test_submit_cell_info_call(test->context.client_connection, "GetCells",
+					test_registered_changed_reply1, test);
 }
 
 static void test_registered_changed(void)
@@ -871,28 +912,26 @@ struct test_property_changed_data {
 	const char *cell_path;
 };
 
-static void test_property_changed_reply1(DBusPendingCall *call, void *data)
+static void test_property_changed_reply2(DBusPendingCall *call, void *data)
 {
- 	struct test_property_changed_data *test = data;
+	struct test_property_changed_data *test = data;
 
 	DBG("");
 	test_check_get_all_reply(call, &test->cell, test->type);
 	dbus_pending_call_unref(call);
 
 	test_loop_quit_later(test->context.loop);
+	test_dbus_watch_disconnect_all();
 }
 
-static void test_property_changed_start(struct test_dbus_context *context)
+static void test_property_changed_reply1(DBusPendingCall *call, void *data)
 {
-	struct test_property_changed_data *test =
+	struct test_property_changed_data *test = data;
-		G_CAST(context, struct test_property_changed_data, context);
 	struct sailfish_cell *first_cell;
 
 	DBG("");
-	test->info = fake_cell_info_new();
+	test_check_get_cells_reply(call, test->cell_path, NULL);
-	fake_cell_info_add_cell(test->info, &test->cell);
+	dbus_pending_call_unref(call);
-	test->dbus = sailfish_cell_info_dbus_new(&test->modem, test->info);
-	g_assert(test->dbus);
 
 	/* Trigger "PropertyChanged" signal */
 	first_cell = test->info->cells->data;
@@ -900,8 +939,24 @@ static void test_property_changed_start(struct test_dbus_context *context)
 		(++(first_cell->info.gsm.signalStrength));
 	fake_cell_info_cells_changed(test->info);
 
-	test_submit_get_all_call(context->client_connection, test->cell_path,
+	test_submit_get_all_call(test->context.client_connection,
-				test_property_changed_reply1, test);
+			test->cell_path, test_property_changed_reply2, test);
+}
+
+static void test_property_changed_start(struct test_dbus_context *context)
+{
+	struct test_property_changed_data *test =
+		G_CAST(context, struct test_property_changed_data, context);
+
+	DBG("");
+	test->info = fake_cell_info_new();
+	fake_cell_info_add_cell(test->info, &test->cell);
+	test->dbus = sailfish_cell_info_dbus_new(&test->modem, test->info);
+	g_assert(test->dbus);
+
+	/* Submit GetCells to enable "PropertyChanged" signals */
+	test_submit_cell_info_call(test->context.client_connection, "GetCells",
+					test_property_changed_reply1, test);
 }
 
 static void test_property_changed(void)
@@ -931,6 +986,106 @@ static void test_property_changed(void)
 	}
 }
 
+/* ==== Unsubscribe ==== */
+
+struct test_unsubscribe_data {
+	struct ofono_modem modem;
+	struct test_dbus_context context;
+	struct sailfish_cell_info *info;
+	struct sailfish_cell_info_dbus *dbus;
+	struct sailfish_cell cell;
+	const char *type;
+	const char *cell_path;
+};
+
+static void test_unsubscribe_reply3(DBusPendingCall *call, void *data)
+{
+	struct test_unsubscribe_data *test = data;
+
+	DBG("");
+	test_check_error(call, OFONO_ERROR_INTERFACE ".Failed");
+	dbus_pending_call_unref(call);
+
+	test_loop_quit_later(test->context.loop);
+	test_dbus_watch_disconnect_all();
+}
+
+static void test_unsubscribe_reply2(DBusPendingCall *call, void *data)
+{
+	struct test_unsubscribe_data *test = data;
+	struct sailfish_cell *first_cell;
+
+	DBG("");
+	test_check_empty_reply(call);
+	dbus_pending_call_unref(call);
+
+	/* No "PropertyChanged" signal is expected because it's disabled */
+	first_cell = test->info->cells->data;
+	test->cell.info.gsm.signalStrength =
+		(++(first_cell->info.gsm.signalStrength));
+	fake_cell_info_cells_changed(test->info);
+
+	/* Submit Unsubscribe and expect and error */
+	test_submit_cell_info_call(test->context.client_connection,
+			"Unsubscribe", test_unsubscribe_reply3, test);
+}
+
+static void test_unsubscribe_reply1(DBusPendingCall *call, void *data)
+{
+	struct test_unsubscribe_data *test = data;
+
+	DBG("");
+	test_check_get_cells_reply(call, test->cell_path, NULL);
+	dbus_pending_call_unref(call);
+
+	/* Submit Unsubscribe to disable "PropertyChanged" signals */
+	test_submit_cell_info_call(test->context.client_connection,
+			"Unsubscribe", test_unsubscribe_reply2, test);
+}
+
+static void test_unsubscribe_start(struct test_dbus_context *context)
+{
+	struct test_unsubscribe_data *test =
+		G_CAST(context, struct test_unsubscribe_data, context);
+
+	DBG("");
+	test->info = fake_cell_info_new();
+	fake_cell_info_add_cell(test->info, &test->cell);
+	test->dbus = sailfish_cell_info_dbus_new(&test->modem, test->info);
+	g_assert(test->dbus);
+
+	/* Submit GetCells to enable "PropertyChanged" signals */
+	test_submit_cell_info_call(test->context.client_connection, "GetCells",
+					test_unsubscribe_reply1, test);
+}
+
+static void test_unsubscribe(void)
+{
+	struct test_unsubscribe_data test;
+	guint timeout = test_setup_timeout();
+
+	memset(&test, 0, sizeof(test));
+	test.modem.path = TEST_MODEM_PATH;
+	test.context.start = test_unsubscribe_start;
+	test_cell_init_gsm1(&test.cell);
+	test.type = "gsm";
+	test.cell_path = "/test/cell_0";
+	test_dbus_setup(&test.context);
+
+	g_main_loop_run(test.context.loop);
+
+	/* We must have received "Unsubscribed" signal */
+	g_assert(test_dbus_find_signal(&test.context, test.modem.path,
+		CELL_INFO_DBUS_INTERFACE, CELL_INFO_DBUS_UNSUBSCRIBED_SIGNAL));
+
+	sailfish_cell_info_unref(test.info);
+	sailfish_cell_info_dbus_free(test.dbus);
+	test_dbus_shutdown(&test.context);
+	if (timeout) {
+		g_source_remove(timeout);
+	}
+}
+
 #define TEST_(name) "/sailfish_cell_info_dbus/" name
 
 int main(int argc, char *argv[])
@@ -966,6 +1121,7 @@ int main(int argc, char *argv[])
 	g_test_add_func(TEST_("GetProperties"), test_get_properties);
 	g_test_add_func(TEST_("RegisteredChanged"), test_registered_changed);
 	g_test_add_func(TEST_("PropertyChanged"), test_property_changed);
+	g_test_add_func(TEST_("Unsubscribe"), test_unsubscribe);
 
 	return g_test_run();
 }