[libvirt] [PATCH 31/38] admin: Introduce virAdmConnectGetLoggingLevel

[Erik Skultety]

Enable libvirt users to query for the current logging level setting.
---
 daemon/admin.c                  |  8 ++++++++
 include/libvirt/libvirt-admin.h |  1 +
 src/admin/admin_protocol.x      | 15 ++++++++++++++-
 src/admin_protocol-structs      |  7 +++++++
 src/libvirt-admin.c             | 33 +++++++++++++++++++++++++++++++++
 src/libvirt_admin_private.syms  |  2 ++
 src/libvirt_admin_public.syms   |  1 +
 7 files changed, 66 insertions(+), 1 deletion(-)

diff --git a/daemon/admin.c b/daemon/admin.c
index 3169cdd..ed07988 100644
--- a/daemon/admin.c
+++ b/daemon/admin.c
@@ -133,4 +133,12 @@ adminConnectGetLibVersion(virNetDaemonPtr dmn ATTRIBUTE_UNUSED,
     return 0;
 }
 
+static int
+adminConnectGetLoggingLevel(virNetDaemonPtr dmn ATTRIBUTE_UNUSED,
+                            unsigned int flags)
+{
+    virCheckFlags(0, -1);
+
+    return virLogGetDefaultPriority();
+}
 #include "admin_dispatch.h"
diff --git a/include/libvirt/libvirt-admin.h b/include/libvirt/libvirt-admin.h
index 25bcbf4..c1aba01 100644
--- a/include/libvirt/libvirt-admin.h
+++ b/include/libvirt/libvirt-admin.h
@@ -110,6 +110,7 @@ virAdmServerPtr virAdmConnectLookupServer(virAdmConnectPtr conn,
                                           const char *name,
                                           unsigned int flags);
 
+int virAdmConnectGetLoggingLevel(virAdmConnectPtr conn, unsigned int flags);
 # ifdef __cplusplus
 }
 # endif
diff --git a/src/admin/admin_protocol.x b/src/admin/admin_protocol.x
index 6590980..268c81e 100644
--- a/src/admin/admin_protocol.x
+++ b/src/admin/admin_protocol.x
@@ -74,6 +74,14 @@ struct admin_connect_lookup_server_ret {
     admin_nonnull_server srv;
 };
 
+struct admin_connect_get_logging_level_args {
+    unsigned int flags;
+};
+
+struct admin_connect_get_logging_level_ret {
+    int level;
+};
+
 /* Define the program number, protocol version and procedure numbers here. */
 const ADMIN_PROGRAM = 0x06900690;
 const ADMIN_PROTOCOL_VERSION = 1;
@@ -119,5 +127,10 @@ enum admin_procedure {
     /**
       * @generate: both
       */
-    ADMIN_PROC_CONNECT_LOOKUP_SERVER = 5
+    ADMIN_PROC_CONNECT_LOOKUP_SERVER = 5,
+
+    /**
+     * @generate: both
+     */
+    ADMIN_PROC_CONNECT_GET_LOGGING_LEVEL = 6
 };
diff --git a/src/admin_protocol-structs b/src/admin_protocol-structs
index d8aca06..9d0397c 100644
--- a/src/admin_protocol-structs
+++ b/src/admin_protocol-structs
@@ -26,10 +26,17 @@ struct admin_connect_lookup_server_args {
 struct admin_connect_lookup_server_ret {
         admin_nonnull_server       srv;
 };
+struct admin_connect_get_logging_level_args {
+        u_int                      flags;
+};
+struct admin_connect_get_logging_level_ret {
+        int                        level;
+};
 enum admin_procedure {
         ADMIN_PROC_CONNECT_OPEN = 1,
         ADMIN_PROC_CONNECT_CLOSE = 2,
         ADMIN_PROC_CONNECT_GET_LIB_VERSION = 3,
         ADMIN_PROC_CONNECT_LIST_SERVERS = 4,
         ADMIN_PROC_CONNECT_LOOKUP_SERVER = 5,
+        ADMIN_PROC_CONNECT_GET_LOGGING_LEVEL = 6,
 };
diff --git a/src/libvirt-admin.c b/src/libvirt-admin.c
index 54af90c..f29c83d 100644
--- a/src/libvirt-admin.c
+++ b/src/libvirt-admin.c
@@ -674,3 +674,36 @@ virAdmConnectLookupServer(virAdmConnectPtr conn,
         virDispatchError(NULL);
     return ret;
 }
+
+/**
+ * virAdmConnectGetLoggingLevel:
+ * @conn: pointer to an active admin connection
+ * @flags: extra flags; not used yet, so callers should always pass 0
+ *
+ * Retrieves the current global logging level (as per daemon configuration):
+ *      1: DEBUG
+ *      2: INFO
+ *      3: WARNING
+ *      4: ERROR
+ *
+ * Returns the numeric logging level representation or -1 in case of an error.
+ */
+int
+virAdmConnectGetLoggingLevel(virAdmConnectPtr conn,
+                             unsigned int flags)
+{
+    int ret = -1;
+
+    VIR_DEBUG("conn=%p, flags=%x", conn, flags);
+
+    virResetLastError();
+    virCheckAdmConnectReturn(conn, -1);
+
+    if ((ret = remoteAdminConnectGetLoggingLevel(conn, flags)) < 0)
+        goto error;
+
+    return ret;
+ error:
+    virDispatchError(NULL);
+    return -1;
+}
diff --git a/src/libvirt_admin_private.syms b/src/libvirt_admin_private.syms
index 268f1e6..d2e2292 100644
--- a/src/libvirt_admin_private.syms
+++ b/src/libvirt_admin_private.syms
@@ -7,6 +7,8 @@
 
 # admin/admin_protocol.x
 xdr_admin_connect_get_lib_version_ret;
+xdr_admin_connect_get_logging_level_args;
+xdr_admin_connect_get_logging_level_ret;
 xdr_admin_connect_list_servers_args;
 xdr_admin_connect_list_servers_ret;
 xdr_admin_connect_lookup_server_args;
diff --git a/src/libvirt_admin_public.syms b/src/libvirt_admin_public.syms
index 58d085e..37d534e 100644
--- a/src/libvirt_admin_public.syms
+++ b/src/libvirt_admin_public.syms
@@ -22,6 +22,7 @@ LIBVIRT_ADMIN_1.3.0 {
         virAdmConnectRegisterCloseCallback;
         virAdmConnectUnregisterCloseCallback;
         virAdmConnectListServers;
+        virAdmConnectGetLoggingLevel;
         virAdmServerGetName;
         virAdmServerFree;
         virAdmConnectLookupServer;
-- 
2.4.3