[evolution-data-server/meego-eds] Add ConnMan support to Camel Daemon.

[Srinivasa Ragavan <sragavan src gnome org>]

commit 625a4fe1a0f671e4e7921d4ca4b7f8a793a0c313
Author: Srinivasa Ragavan <sragavan gnome org>
Date:   Wed Jun 29 12:16:07 2011 -0700

    Add ConnMan support to Camel Daemon.

 mail/daemon/Makefile.am                 |    2 +
 mail/daemon/e-mail-connection-connman.c |  215 +++++++++++++++++++++++++++++++
 mail/daemon/e-mail-connection-connman.h |   42 ++++++
 3 files changed, 259 insertions(+), 0 deletions(-)
---
diff --git a/mail/daemon/Makefile.am b/mail/daemon/Makefile.am
index 0bbab9a..605d1e3 100644
--- a/mail/daemon/Makefile.am
+++ b/mail/daemon/Makefile.am
@@ -2,6 +2,8 @@ factorydir = $(libexecdir)
 
 factory_PROGRAMS = e-mail-factory
 e_mail_factory_SOURCES = main.c	\
+			 e-mail-connection-connman.c	\
+			 e-mail-connection-connman.H	\
 			 e-mail-local.c	\
 			 e-mail-local.h	\
 			 e-mail-store.c	\
diff --git a/mail/daemon/e-mail-connection-connman.c b/mail/daemon/e-mail-connection-connman.c
new file mode 100644
index 0000000..3cc82e4
--- /dev/null
+++ b/mail/daemon/e-mail-connection-connman.c
@@ -0,0 +1,215 @@
+/* e-mail-connection-connman.c */
+
+#include "e-mail-connection-connman.h"
+#include <gio/gio.h>
+#include "mail-session.h"
+
+#define CONNMAN_DBUS_SERVICE   "net.connman"
+#define CONNMAN_DBUS_INTERFACE "net.connman.Manager"
+#define CONNMAN_DBUS_PATH      "/"
+
+G_DEFINE_TYPE (EMailConnectionConnMan, e_mail_connection_connman, G_TYPE_OBJECT)
+
+#define GET_PRIVATE(o) \
+  (G_TYPE_INSTANCE_GET_PRIVATE ((o), E_MAIL_TYPE_CONNECTION_CONNMAN, EMailConnectionConnManPrivate))
+
+typedef struct _EMailConnectionConnManPrivate EMailConnectionConnManPrivate;
+
+struct _EMailConnectionConnManPrivate {
+	GDBusConnection *connection;
+};
+
+static gboolean connman_connect (EMailConnectionConnMan *manager);
+
+static void
+manager_set_state (EMailConnectionConnMan *manager, const gchar *state)
+{
+	/* EMailConnectionConnManPrivate *priv = GET_PRIVATE(manager); */
+
+	camel_session_set_network_available (session, !g_strcmp0 (state, "online"));
+	camel_session_set_online (session, !g_strcmp0 (state, "online"));
+}
+
+static void
+connman_connection_closed_cb (GDBusConnection *pconnection, gboolean remote_peer_vanished, GError *error, gpointer user_data)
+{
+	EMailConnectionConnMan *manager = user_data;
+	EMailConnectionConnManPrivate *priv = GET_PRIVATE(manager);
+
+	g_object_unref (priv->connection);
+	priv->connection = NULL;
+
+	g_timeout_add_seconds (
+		3, (GSourceFunc) connman_connect, manager);
+}
+
+static void
+connman_signal_cb (GDBusConnection *connection,
+	const gchar *sender_name,
+	const gchar *object_path,
+	const gchar *interface_name,
+	const gchar *signal_name,
+	GVariant *parameters,
+	gpointer user_data)
+{
+	EMailConnectionConnMan *manager = user_data;
+	gchar *state = NULL;
+
+	if (g_strcmp0 (interface_name, CONNMAN_DBUS_INTERFACE) != 0
+	    || g_strcmp0 (object_path, CONNMAN_DBUS_PATH) != 0
+	    || g_strcmp0 (signal_name, "StateChanged") != 0)
+		return;
+
+	g_variant_get (parameters, "(s)", &state);
+	manager_set_state (manager, state);
+	g_free (state);
+}
+
+static void
+connman_check_initial_state (EMailConnectionConnMan *manager)
+{
+	GDBusMessage *message = NULL;
+	GDBusMessage *response = NULL;
+	GError *error = NULL;
+	EMailConnectionConnManPrivate *priv = GET_PRIVATE(manager);
+
+	message = g_dbus_message_new_method_call (
+		CONNMAN_DBUS_SERVICE, CONNMAN_DBUS_PATH, CONNMAN_DBUS_INTERFACE, "GetState");
+
+	/* XXX Assuming this should be safe to call synchronously. */
+	response = g_dbus_connection_send_message_with_reply_sync (
+		priv->connection, message, G_DBUS_SEND_MESSAGE_FLAGS_NONE, 100, NULL, NULL, &error);
+
+	if (response != NULL) {
+		gchar *state = NULL;
+		GVariant *body = g_dbus_message_get_body (response);
+
+		g_variant_get (body, "(s)", &state);
+		manager_set_state (manager, state);
+		g_free (state);
+	} else {
+		g_warning ("%s: %s", G_STRFUNC, error ? error->message : "Unknown error");
+		if (error)
+			g_error_free (error);
+		g_object_unref (message);
+		return;
+	}
+
+	g_object_unref (message);
+	g_object_unref (response);
+}
+
+static gboolean
+connman_connect (EMailConnectionConnMan *manager)
+{
+	GError *error = NULL;
+	EMailConnectionConnManPrivate *priv = GET_PRIVATE(manager);
+
+	/* This is a timeout callback, so the return value denotes
+	 * whether to reschedule, not whether we're successful. */
+
+	if (priv->connection != NULL)
+		return FALSE;
+
+	priv->connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
+	if (priv->connection == NULL) {
+		g_warning ("%s: %s", G_STRFUNC, error ? error->message : "Unknown error");
+		g_error_free (error);
+
+		return TRUE;
+	}
+
+	g_dbus_connection_set_exit_on_close (priv->connection, FALSE);
+
+	if (!g_dbus_connection_signal_subscribe (
+		priv->connection,
+		CONNMAN_DBUS_SERVICE,
+		CONNMAN_DBUS_INTERFACE,
+		NULL,
+		CONNMAN_DBUS_PATH,
+		NULL,
+		G_DBUS_SIGNAL_FLAGS_NONE,
+		connman_signal_cb,
+		manager,
+		NULL)) {
+		g_warning ("%s: Failed to subscribe for a signal", G_STRFUNC);
+		goto fail;
+	}
+
+	g_signal_connect (priv->connection, "closed", G_CALLBACK (connman_connection_closed_cb), manager);
+
+	connman_check_initial_state (manager);
+
+	return FALSE;
+
+fail:
+	g_object_unref (priv->connection);
+	priv->connection = NULL;
+
+	return TRUE;
+}
+
+static void
+e_mail_connection_connman_get_property (GObject *object, guint property_id,
+                              GValue *value, GParamSpec *pspec)
+{
+  switch (property_id) {
+  default:
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+  }
+}
+
+static void
+e_mail_connection_connman_set_property (GObject *object, guint property_id,
+                              const GValue *value, GParamSpec *pspec)
+{
+  switch (property_id) {
+  default:
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+  }
+}
+
+static void
+e_mail_connection_connman_dispose (GObject *object)
+{
+  G_OBJECT_CLASS (e_mail_connection_connman_parent_class)->dispose (object);
+}
+
+static void
+e_mail_connection_connman_finalize (GObject *object)
+{
+  G_OBJECT_CLASS (e_mail_connection_connman_parent_class)->finalize (object);
+}
+
+static void
+e_mail_connection_connman_constructed (GObject *object)
+{
+	connman_connect (E_MAIL_CONNECTION_CONNMAN(object));
+}
+
+static void
+e_mail_connection_connman_class_init (EMailConnectionConnManClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  g_type_class_add_private (klass, sizeof (EMailConnectionConnManPrivate));
+
+  object_class->get_property = e_mail_connection_connman_get_property;
+  object_class->set_property = e_mail_connection_connman_set_property;
+  object_class->dispose = e_mail_connection_connman_dispose;
+  object_class->finalize = e_mail_connection_connman_finalize;
+object_class->constructed = e_mail_connection_connman_constructed;
+
+}
+
+static void
+e_mail_connection_connman_init (EMailConnectionConnMan *self)
+{
+}
+
+EMailConnectionConnMan*
+e_mail_connection_connman_new (void)
+{
+  return g_object_new (E_MAIL_TYPE_CONNECTION_CONNMAN, NULL);
+}
+
diff --git a/mail/daemon/e-mail-connection-connman.h b/mail/daemon/e-mail-connection-connman.h
new file mode 100644
index 0000000..5d7bee6
--- /dev/null
+++ b/mail/daemon/e-mail-connection-connman.h
@@ -0,0 +1,42 @@
+
+/* e-mail-connection-connman.h */
+
+#ifndef _E_MAIL_CONNECTION_CONNMAN
+#define _E_MAIL_CONNECTION_CONNMAN
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define E_MAIL_TYPE_CONNECTION_CONNMAN e_mail_connection_connman_get_type()
+
+#define E_MAIL_CONNECTION_CONNMAN(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), E_MAIL_TYPE_CONNECTION_CONNMAN, EMailConnectionConnMan))
+
+#define E_MAIL_CONNECTION_CONNMAN_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), E_MAIL_TYPE_CONNECTION_CONNMAN, EMailConnectionConnManClass))
+
+#define E_MAIL_IS_CONNECTION_CONNMAN(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), E_MAIL_TYPE_CONNECTION_CONNMAN))
+
+#define E_MAIL_IS_CONNECTION_CONNMAN_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), E_MAIL_TYPE_CONNECTION_CONNMAN))
+
+#define E_MAIL_CONNECTION_CONNMAN_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), E_MAIL_TYPE_CONNECTION_CONNMAN, EMailConnectionConnManClass))
+
+typedef struct {
+  GObject parent;
+} EMailConnectionConnMan;
+
+typedef struct {
+  GObjectClass parent_class;
+} EMailConnectionConnManClass;
+
+GType e_mail_connection_connman_get_type (void);
+
+EMailConnectionConnMan* e_mail_connection_connman_new (void);
+
+G_END_DECLS
+
+#endif /* _E_MAIL_CONNECTION_CONNMAN */