Changes in uspace/lib/c/generic/net/modules.c [32fef47:6b82009] in mainline

File:

• uspace/lib/c/generic/net/modules.c (modified) (2 diffs)

uspace/lib/c/generic/net/modules.c

@@ -91 +91 @@
                 }
         }
-}
-
-/** Connect to the needed module.
- *
- * @param[in] need Needed module service.
- *
- * @return Session to the needed service.
- * @return NULL if the connection timeouted.
- *
- */
-static async_sess_t *connect_to_service(services_t need)
-{
-        return service_connect_blocking(EXCHANGE_SERIALIZE, need, 0, 0);
 }
 
@@ -142 +129 @@
 }
 
+/** Connect to the needed module.
+ *
+ * @param[in] need Needed module service.
+ *
+ * @return Session to the needed service.
+ * @return NULL if the connection timeouted.
+ *
+ */
+async_sess_t *connect_to_service(services_t need)
+{
+        return service_connect_blocking(EXCHANGE_SERIALIZE, need, 0, 0);
+}
+
+/** Reply the data to the other party.
+ *
+ * @param[in] data        The data buffer to be sent.
+ * @param[in] data_length The buffer length.
+ *
+ * @return EOK on success.
+ * @return EINVAL if the client does not expect the data.
+ * @return EOVERFLOW if the client does not expect all the data.
+ *         Only partial data are transfered.
+ * @return Other error codes as defined for the
+ *         async_data_read_finalize() function.
+ *
+ */
+int data_reply(void *data, size_t data_length)
+{
+        size_t length;
+        ipc_callid_t callid;
+        
+        /* Fetch the request */
+        if (!async_data_read_receive(&callid, &length))
+                return EINVAL;
+        
+        /* Check the requested data size */
+        if (length < data_length) {
+                async_data_read_finalize(callid, data, length);
+                return EOVERFLOW;
+        }
+        
+        /* Send the data */
+        return async_data_read_finalize(callid, data, data_length);
+}
+
 /** Refresh answer structure and argument count.
  *