eet: add eet_connection_empty.

This is needed to fix a bug when multiplexing eet_connection with something else.


SVN revision: 75651

legacy/eet/ChangeLog

@@ -611,3 +611,7 @@
 2012-08-09  Cedric Bail
 
 	* Don't copy string around for nothing.
+
+2012-08-24  Cedric Bail
+
+	* Add eet_connection_empty.

legacy/eet/NEWS

@@ -5,6 +5,7 @@ Changes since Eet 1.6.0:
 
 Additions:
     * Add code to detect overrun and underrun during Eet Data Descriptor setup.
+    * Add eet_connection_empty.
 
 Fixes:
     * Force destruction of all pending file when shuting down eet.

legacy/eet/src/lib/Eet.h

@@ -4191,6 +4191,20 @@ eet_connection_received(Eet_Connection *conn,
                         const void *data,
                         size_t size);
 
+/**
+ * Tell if the Eet_Connection as received some partial data.
+ * @param conn Connection handler to request.
+ * @return EINA_TRUE if there is some data pending inside, EINA_FALSE otherwise.
+ *
+ * Eet_Connection buffer data until the received data can be unserialized correctly. This
+ * function let you know if there is some data inside that buffer waiting for more data to
+ * be received before being processed.
+ *
+ * @since 1.7
+ * @ingroup Eet_Connection_Group
+ */
+EAPI Eina_Bool eet_connection_empty(Eet_Connection *conn);
+
 /**
  * Convert a complex structure and prepare it to be send.
  * @param conn Connection handler to track.

legacy/eet/src/lib/eet_connection.c

@@ -169,6 +169,12 @@ _eet_connection_raw_send(Eet_Connection *conn,
    return EINA_TRUE;
 }
 
+EAPI Eina_Bool
+eet_connection_empty(Eet_Connection *conn)
+{
+   return conn->size ? EINA_FALSE : EINA_TRUE;
+}
+
 EAPI Eina_Bool
 eet_connection_send(Eet_Connection      *conn,
                     Eet_Data_Descriptor *edd,