block: Add device changed signal

/Org/Tizen/System/DeviceD/Block/Devices/[devnode]
  Interfaces
    org.tizen.system.deviced.Block
      methods
        Mount ("s" mount point)
        Unmount ("i" unmount option)  /* 0 : Normal, 1 : Force */
      signals
        DeviceChanged ("issssssisii"
                        block type, /* 0 : scsi, 1 : mmc */
                        devnode,
                        syspath,
                        fs_usgae,
                        fs_type,
                        fs_version,
                        fs_uuid_enc,
                        readonly, /* 0 : rw, 1 : ro */
                        mount_point,
                        state, /* 0 : unmount, 1 : mount */
                        primary) /* 0 : false, 1 : true */

Change-Id: I6ea8d7abd9d806a9b1e64e13fc011df3a710493f
Signed-off-by: Jiyoung Yun <jy910.yun@samsung.com>

1 files changed, 58 insertions, 1 deletions

diff --git a/src/block/block.c b/src/block/block.c
index 596b3590..3f932b7a 100644
--- a/src/block/block.c
+++ b/src/block/block.c
@@ -57,6 +57,7 @@
 
 #define BLOCK_OBJECT_ADDED      "ObjectAdded"
 #define BLOCK_OBJECT_REMOVED    "ObjectRemoved"
+#define BLOCK_DEVICE_CHANGED    "DeviceChanged"
 
 enum block_dev_operation {
 	BLOCK_DEV_MOUNT,
@@ -158,6 +159,50 @@ static void broadcast_block_info(enum block_dev_operation op,
 	}
 }
 
+static void signal_device_changed(struct block_device *bdev)
+{
+	struct block_data *data;
+	char *arr[11];
+	char str_block_type[32];
+	char str_readonly[32];
+	char str_state[32];
+	char str_primary[32];
+	char *str_null = "";
+	const char *object_path;
+
+	if (!bdev || !bdev->data)
+		return;
+
+	data = bdev->data;
+
+	/* Broadcast outside with Block iface */
+	snprintf(str_block_type, sizeof(str_block_type),
+			"%d", data->block_type);
+	arr[0] = str_block_type;
+	arr[1] = (data->devnode ? data->devnode : str_null);
+	arr[2] = (data->syspath ? data->syspath : str_null);
+	arr[3] = (data->fs_usage ? data->fs_usage : str_null);
+	arr[4] = (data->fs_type ? data->fs_type : str_null);
+	arr[5] = (data->fs_version ? data->fs_version : str_null);
+	arr[6] = (data->fs_uuid_enc ? data->fs_uuid_enc : str_null);
+	snprintf(str_readonly, sizeof(str_readonly),
+			"%d", data->readonly);
+	arr[7] = str_readonly;
+	arr[8] = (data->mount_point ? data->mount_point : str_null);
+	snprintf(str_state, sizeof(str_state),
+			"%d", data->state);
+	arr[9] = str_state;
+	snprintf(str_primary, sizeof(str_primary),
+			"%d", data->primary);
+	arr[10] = str_primary;
+
+	object_path = e_dbus_object_path_get(bdev->object);
+	broadcast_edbus_signal(object_path,
+			DEVICED_INTERFACE_BLOCK,
+			BLOCK_DEVICE_CHANGED,
+			"issssssisib", arr);
+}
+
 static bool check_primary_partition(const char *devnode)
 {
 	char str[PATH_MAX];
@@ -560,6 +605,9 @@ out:
 	/* Broadcast to mmc and usb storage module */
 	broadcast_block_info(BLOCK_DEV_MOUNT, data, r);
 
+	/* Broadcast outside with Block iface */
+	signal_device_changed(bdev);
+
 	return NULL;
 }
 
@@ -731,6 +779,9 @@ out:
 	/* Broadcast to mmc and usb storage module */
 	broadcast_block_info(BLOCK_DEV_UNMOUNT, data, r);
 
+	/* Broadcast outside with Block iface */
+	signal_device_changed(bdev);
+
 	return r;
 }
 
@@ -1293,10 +1344,16 @@ static int init_block_object_iface(void)
 				device_methods[i].reply_signature,
 				device_methods[i].func);
 		if (r < 0)
-			_E("fail to register %s to iface",
+			_E("fail to register %s method to iface",
 					device_methods[i].member);
 	}
 
+	r = e_dbus_interface_signal_add(iface,
+			BLOCK_DEVICE_CHANGED, "issssssisib");
+	if (r < 0)
+		_E("fail to register %s signal to iface",
+				BLOCK_DEVICE_CHANGED);
+
 	return 0;
 }