[rygel] core: Implement GetTransferProgress action of CDS

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit f90245774fe9fa8fc08d2fd088dd4b65f6b633ca
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Thu Feb 18 19:41:08 2010 +0200

    core: Implement GetTransferProgress action of CDS

 data/xml/ContentDirectory.xml          |   70 ++++++++++++++++----------------
 src/rygel/rygel-content-directory.vala |   33 +++++++++++++++
 2 files changed, 68 insertions(+), 35 deletions(-)
---
diff --git a/data/xml/ContentDirectory.xml b/data/xml/ContentDirectory.xml
index 3274104..728cfe3 100644
--- a/data/xml/ContentDirectory.xml
+++ b/data/xml/ContentDirectory.xml
@@ -125,14 +125,6 @@ feature provided by your editor.
 			<dataType>string</dataType>
 		</stateVariable>
 
-<!-- Optional state variables that are not implemented yet
-		<stateVariable>
-			<Optional/>
-			<name>SortExtensionCapabilities</name>
-			<sendEventsAttribute>no</sendEventsAttribute>
-			<dataType>string</dataType>
-		</stateVariable>
-
 		<stateVariable>
 			<Optional/>
 			<name>A_ARG_TYPE_TransferStatus</name>
@@ -160,6 +152,14 @@ feature provided by your editor.
 			<dataType>string</dataType>
 		</stateVariable>
 
+<!-- Optional state variables that are not implemented yet
+		<stateVariable>
+			<Optional/>
+			<name>SortExtensionCapabilities</name>
+			<sendEventsAttribute>no</sendEventsAttribute>
+			<dataType>string</dataType>
+		</stateVariable>
+
 		<stateVariable>
 			<Optional/>
 			<name>A_ARG_TYPE_TagValueList</name>
@@ -377,6 +377,33 @@ feature provided by your editor.
 			</argumentList>
 		</action>
 
+		<action>
+			<Optional/>
+			<name>GetTransferProgress</name>
+			<argumentList>
+				<argument>
+					<name>TransferID</name>
+					<direction>in</direction>
+					<relatedStateVariable>A_ARG_TYPE_TransferID</relatedStateVariable>
+				</argument>
+				<argument>
+					<name>TransferStatus</name>
+					<direction>out</direction>
+					<relatedStateVariable>A_ARG_TYPE_TransferStatus</relatedStateVariable>
+				</argument>
+				<argument>
+					<name>TransferLength</name>
+					<direction>out</direction>
+					<relatedStateVariable>A_ARG_TYPE_TransferLength</relatedStateVariable>
+				</argument>
+				<argument>
+					<name>TransferTotal</name>
+					<direction>out</direction>
+					<relatedStateVariable>A_ARG_TYPE_TransferTotal</relatedStateVariable>
+				</argument>
+			</argumentList>
+		</action>
+
 <!-- Optional actions that are not implemented yet
                 <action>
 			<Optional/>
@@ -494,33 +521,6 @@ feature provided by your editor.
 
 		<action>
 			<Optional/>
-			<name>GetTransferProgress</name>
-			<argumentList>
-				<argument>
-					<name>TransferID</name>
-					<direction>in</direction>
-					<relatedStateVariable>A_ARG_TYPE_TransferID</relatedStateVariable>
-				</argument>
-				<argument>
-					<name>TransferStatus</name>
-					<direction>out</direction>
-					<relatedStateVariable>A_ARG_TYPE_TransferStatus</relatedStateVariable>
-				</argument>
-				<argument>
-					<name>TransferLength</name>
-					<direction>out</direction>
-					<relatedStateVariable>A_ARG_TYPE_TransferLength</relatedStateVariable>
-				</argument>
-				<argument>
-					<name>TransferTotal</name>
-					<direction>out</direction>
-					<relatedStateVariable>A_ARG_TYPE_TransferTotal</relatedStateVariable>
-				</argument>
-			</argumentList>
-		</action>
-
-		<action>
-			<Optional/>
 			<name>CreateReference</name>
 			<argumentList>
 				<argument>
diff --git a/src/rygel/rygel-content-directory.vala b/src/rygel/rygel-content-directory.vala
index 2b439da..049b7cd 100644
--- a/src/rygel/rygel-content-directory.vala
+++ b/src/rygel/rygel-content-directory.vala
@@ -103,6 +103,8 @@ public class Rygel.ContentDirectory: Service {
         this.action_invoked["Search"] += this.search_cb;
         this.action_invoked["CreateObject"] += this.create_object_cb;
         this.action_invoked["ImportResource"] += this.import_resource_cb;
+        this.action_invoked["GetTransferProgress"] +=
+                                        this.get_transfer_progress_cb;
 
         this.query_variable["TransferIDs"] += this.query_transfer_ids;
 
@@ -184,6 +186,37 @@ public class Rygel.ContentDirectory: Service {
         value.set_string (this.create_transfer_ids ());
     }
 
+    /* GetTransferProgress action implementation */
+    private virtual void get_transfer_progress_cb (
+                                        ContentDirectory    content_dir,
+                                        owned ServiceAction action) {
+        uint32 transfer_id;
+
+        action.get ("TransferID",
+                        typeof (uint32),
+                        out transfer_id);
+
+        foreach (var import in this.active_imports) {
+            if (import.transfer_id == transfer_id) {
+                action.set ("TransferStatus",
+                                typeof (string),
+                                import.status_as_string,
+                            "TransferLength",
+                                typeof (int64),
+                                import.bytes_copied,
+                            "TransferTotal",
+                                typeof (int64),
+                                import.bytes_total);
+                action.return ();
+
+                return;
+            }
+        }
+
+        // Reaching here means we didn't find the transfer of interest
+        action.return_error (717, "No such file transfer");
+    }
+
     /* GetSystemUpdateID action implementation */
     private void get_system_update_id_cb (ContentDirectory    content_dir,
                                           owned ServiceAction action) {