src: add gnss atom and agent implementation

1 files changed, 158 insertions, 0 deletions

diff --git a/src/gnssagent.c b/src/gnssagent.c
new file mode 100644
index 00000000..0db98562
--- /dev/null
+++ b/src/gnssagent.c
@@ -0,0 +1,158 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2010  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2011 ST-Ericsson AB.
+ *
+ *  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.
+ *
+ *  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
+#include <config.h>
+#endif
+
+#define _GNU_SOURCE
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+
+#include <glib.h>
+#include <gdbus.h>
+
+#include "ofono.h"
+#include "gnssagent.h"
+
+struct gnss_agent {
+	char *path;
+	char *bus;
+	guint disconnect_watch;
+	ofono_bool_t remove_on_terminate;
+	ofono_destroy_func removed_cb;
+	void *removed_data;
+};
+
+void gnss_agent_receive_request(struct gnss_agent *agent, const char *xml)
+{
+	DBusConnection *conn = ofono_dbus_get_connection();
+	DBusMessage *message;
+
+	message = dbus_message_new_method_call(agent->bus, agent->path,
+					OFONO_GNSS_POSR_AGENT_INTERFACE,
+						"Request");
+
+	dbus_message_append_args(message,
+					DBUS_TYPE_STRING, &xml,
+					DBUS_TYPE_INVALID);
+
+	dbus_message_set_no_reply(message, TRUE);
+
+	g_dbus_send_message(conn, message);
+}
+
+static void gnss_agent_send_noreply(struct gnss_agent *agent,
+					const char *method)
+{
+	DBusConnection *conn = ofono_dbus_get_connection();
+	DBusMessage *message;
+
+	message = dbus_message_new_method_call(agent->bus, agent->path,
+					OFONO_GNSS_POSR_AGENT_INTERFACE,
+						method);
+
+	dbus_message_set_no_reply(message, TRUE);
+
+	g_dbus_send_message(conn, message);
+}
+
+static inline void gnss_agent_send_release(struct gnss_agent *agent)
+{
+	gnss_agent_send_noreply(agent, "Release");
+}
+
+void gnss_agent_receive_reset(struct gnss_agent *agent)
+{
+	gnss_agent_send_noreply(agent, "ResetAssistanceData");
+}
+
+ofono_bool_t gnss_agent_matches(struct gnss_agent *agent,
+				const char *path, const char *sender)
+{
+	return !g_strcmp0(agent->path, path) && !g_strcmp0(agent->bus, sender);
+}
+
+ofono_bool_t gnss_agent_sender_matches(struct gnss_agent *agent,
+					const char *sender)
+{
+	return !g_strcmp0(agent->bus, sender);
+}
+
+void gnss_agent_set_removed_notify(struct gnss_agent *agent,
+					ofono_destroy_func destroy,
+					void *user_data)
+{
+	agent->removed_cb = destroy;
+	agent->removed_data = user_data;
+}
+
+void gnss_agent_free(struct gnss_agent *agent)
+{
+	DBusConnection *conn = ofono_dbus_get_connection();
+
+
+	if (agent->disconnect_watch) {
+		gnss_agent_send_release(agent);
+		g_dbus_remove_watch(conn, agent->disconnect_watch);
+		agent->disconnect_watch = 0;
+	}
+
+	if (agent->removed_cb)
+		agent->removed_cb(agent->removed_data);
+
+	g_free(agent->path);
+	g_free(agent->bus);
+	g_free(agent);
+}
+
+static void gnss_agent_disconnect_cb(DBusConnection *conn, void *user_data)
+{
+	struct gnss_agent *agent = user_data;
+
+	ofono_debug("Agent exited without calling Unregister");
+
+	agent->disconnect_watch = 0;
+
+	gnss_agent_free(agent);
+}
+
+struct gnss_agent *gnss_agent_new(const char *path, const char *sender,
+				ofono_bool_t remove_on_terminate)
+{
+	struct gnss_agent *agent = g_try_new0(struct gnss_agent, 1);
+	DBusConnection *conn = ofono_dbus_get_connection();
+
+	if (agent == NULL)
+		return NULL;
+
+	agent->path = g_strdup(path);
+	agent->bus = g_strdup(sender);
+	agent->remove_on_terminate = remove_on_terminate;
+
+	agent->disconnect_watch = g_dbus_add_disconnect_watch(conn, sender,
+						gnss_agent_disconnect_cb,
+						agent, NULL);
+
+	return agent;
+}