From 3b6dd9aa9030e27513a4635e7a718feb4eea5ba1 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 21 Jan 2009 01:55:57 +0100
Subject: [PATCH] Add support for disconnecting networks first

---
 include/network.h |  1 +
 src/connman.h     |  4 ++++
 src/device.c      | 19 +++++++++++++++++++
 src/network.c     | 30 ++++++++++++++++++++++++++++++
 4 files changed, 54 insertions(+)

diff --git a/include/network.h b/include/network.h
index 2232dfd..f5d2e95 100644
--- a/include/network.h
+++ b/include/network.h
@@ -72,6 +72,7 @@ extern int connman_network_set_available(struct connman_network *network,
 extern connman_bool_t connman_network_get_available(struct connman_network *network);
 extern int connman_network_set_connected(struct connman_network *network,
 						connman_bool_t connected);
+extern connman_bool_t connman_network_get_connected(struct connman_network *network);
 extern int connman_network_set_remember(struct connman_network *network,
 						connman_bool_t remember);
 extern connman_bool_t connman_network_get_remember(struct connman_network *network);
diff --git a/src/connman.h b/src/connman.h
index 912aea1..b007cca 100644
--- a/src/connman.h
+++ b/src/connman.h
@@ -163,6 +163,8 @@ void __connman_device_cleanup(void);
 void __connman_device_increase_connections(struct connman_device *device);
 void __connman_device_decrease_connections(struct connman_device *device);
 
+void __connman_device_disconnect(struct connman_device *device);
+
 connman_bool_t __connman_device_has_driver(struct connman_device *device);
 
 int __connman_device_set_offlinemode(connman_bool_t offlinemode);
@@ -175,6 +177,8 @@ void __connman_network_cleanup(void);
 void __connman_network_set_device(struct connman_network *network,
 					struct connman_device *device);
 
+int __connman_network_disconnect(struct connman_network *network);
+
 connman_bool_t __connman_network_has_driver(struct connman_network *network);
 
 #include <connman/rtnl.h>
diff --git a/src/device.c b/src/device.c
index ea72b25..74196b7 100644
--- a/src/device.c
+++ b/src/device.c
@@ -996,6 +996,25 @@ int connman_device_set_carrier(struct connman_device *device,
 	return 0;
 }
 
+void __connman_device_disconnect(struct connman_device *device)
+{
+	GHashTableIter iter;
+	gpointer key, value;
+
+	DBG("device %p", device);
+
+	g_hash_table_iter_init(&iter, device->networks);
+
+	while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+		struct connman_network *network = value;
+
+		if (connman_network_get_connected(network) == FALSE)
+			continue;
+
+		__connman_network_disconnect(network);
+	}
+}
+
 static void connect_known_network(struct connman_device *device)
 {
 	struct connman_network *network = NULL;
diff --git a/src/network.c b/src/network.c
index 3e27e7e..6571da6 100644
--- a/src/network.c
+++ b/src/network.c
@@ -233,6 +233,12 @@ static DBusMessage *do_connect(DBusConnection *conn,
 		return __connman_error_failed(msg);
 
 	if (network->driver && network->driver->connect) {
+		enum connman_device_mode mode;
+
+		mode = connman_device_get_mode(network->device);
+		if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
+			__connman_device_disconnect(network->device);
+
 		err = network->driver->connect(network);
 		if (err < 0 && err != -EINPROGRESS)
 			return __connman_error_failed(msg);
@@ -684,6 +690,17 @@ int connman_network_set_connected(struct connman_network *network,
 }
 
 /**
+ * connman_network_get_connected:
+ * @network: network structure
+ *
+ * Get network connection status
+ */
+connman_bool_t connman_network_get_connected(struct connman_network *network)
+{
+	return network->connected;
+}
+
+/**
  * connman_network_set_remember:
  * @network: network structure
  * @remember: remember state
@@ -756,6 +773,19 @@ int connman_network_connect(struct connman_network *network)
 	return 0;
 }
 
+int __connman_network_disconnect(struct connman_network *network)
+{
+	if (network->connected == FALSE)
+		return -ENOTCONN;
+
+	if (network->driver && network->driver->disconnect)
+		return network->driver->disconnect(network);
+
+	network->connected = FALSE;
+
+	return 0;
+}
+
 /**
  * connman_network_set_string:
  * @network: network structure
-- 
2.7.4