[discover client] Add device accessors

Allow the UIs to query the current device set.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

2 files changed, 32 insertions, 0 deletions

diff --git a/ui/common/discover-client.c b/ui/common/discover-client.c
index 47c57cb..7c2e27d 100644
--- a/ui/common/discover-client.c
+++ b/ui/common/discover-client.c
@@ -156,3 +156,18 @@ int discover_client_process(struct discover_client *client)
 
 	return 0;
 }
+
+/* accessors for discovered devices */
+int discover_client_device_count(struct discover_client *client)
+{
+	return client->n_devices;
+}
+
+struct device *discover_client_get_device(struct discover_client *client,
+		int index)
+{
+	if (index < 0 || index >= client->n_devices)
+		return NULL;
+
+	return client->devices[index];
+}
diff --git a/ui/common/discover-client.h b/ui/common/discover-client.h
index 6fc964d..719f72a 100644
--- a/ui/common/discover-client.h
+++ b/ui/common/discover-client.h
@@ -34,4 +34,21 @@ void discover_client_destroy(struct discover_client *client);
  */
 int discover_client_process(struct discover_client *client);
 
+/**
+ * Get the number of devices that the discover client has stored. This
+ * is the set of devices that have been added and not removed
+ *
+ * @param client The discover client
+ * @return	 The number of devices that have been added.
+ */
+int discover_client_device_count(struct discover_client *client);
+
+/**
+ * Get the device at a specific index.
+ * @param client A pointer to the discover client
+ * @param index  The index of the device to retrieve
+ * @return	 The device at the specified index, or NULL if none exists
+ */
+struct device *discover_client_get_device(struct discover_client *client,
+		int index);
 #endif