[libvirt] [RFC PATCH 1/4] driver.h: Add macro VIR_DRV_CONN_CHECK_SERVER

[Marcos Paulo de Souza]

This new macro will check if the server was passed to connectOpen
function. Some drivers as esx, hyperv and phyp need a server address to
connect to.

Signed-off-by: Marcos Paulo de Souza <marcos.souza.org at gmail.com>
---
 src/driver.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/driver.h b/src/driver.h
index 0b1f7a2269..1f9d7fd26b 100644
--- a/src/driver.h
+++ b/src/driver.h
@@ -60,6 +60,15 @@ typedef enum {
     ((drv)->connectSupportsFeature ? \
         (drv)->connectSupportsFeature((conn), (feature)) > 0 : 0)
 
+/* Check if the connection of the driver has filled the server address */
+# define VIR_DRV_CONN_CHECK_SERVER \
+    do { \
+        if (!conn->uri->server) { \
+            virReportError(VIR_ERR_INVALID_ARG, "%s", \
+                       _("URI is missing the server part")); \
+            return VIR_DRV_OPEN_ERROR; \
+        } \
+    } while (0)
 
 # define __VIR_DRIVER_H_INCLUDES___
 
-- 
2.17.1