Add qemu 2.4.0

[kvmfornfv.git] / qemu / qapi / qmp-registry.c

diff --git a/qemu/qapi/qmp-registry.c b/qemu/qapi/qmp-registry.c
new file mode 100644 (file)
index 0000000..3e4498a
--- /dev/null
+++ b/qemu/qapi/qmp-registry.c
@@ -0,0 +1,91 @@
+/*
+ * Core Definitions for QAPI/QMP Dispatch
+ *
+ * Copyright IBM, Corp. 2011
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *  Michael Roth      <mdroth@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ *
+ */
+
+#include <glib.h>
+#include <string.h>
+#include "qapi/qmp/dispatch.h"
+
+static QTAILQ_HEAD(QmpCommandList, QmpCommand) qmp_commands =
+    QTAILQ_HEAD_INITIALIZER(qmp_commands);
+
+void qmp_register_command(const char *name, QmpCommandFunc *fn,
+                          QmpCommandOptions options)
+{
+    QmpCommand *cmd = g_malloc0(sizeof(*cmd));
+
+    cmd->name = name;
+    cmd->type = QCT_NORMAL;
+    cmd->fn = fn;
+    cmd->enabled = true;
+    cmd->options = options;
+    QTAILQ_INSERT_TAIL(&qmp_commands, cmd, node);
+}
+
+QmpCommand *qmp_find_command(const char *name)
+{
+    QmpCommand *cmd;
+
+    QTAILQ_FOREACH(cmd, &qmp_commands, node) {
+        if (strcmp(cmd->name, name) == 0) {
+            return cmd;
+        }
+    }
+    return NULL;
+}
+
+static void qmp_toggle_command(const char *name, bool enabled)
+{
+    QmpCommand *cmd;
+
+    QTAILQ_FOREACH(cmd, &qmp_commands, node) {
+        if (strcmp(cmd->name, name) == 0) {
+            cmd->enabled = enabled;
+            return;
+        }
+    }
+}
+
+void qmp_disable_command(const char *name)
+{
+    qmp_toggle_command(name, false);
+}
+
+void qmp_enable_command(const char *name)
+{
+    qmp_toggle_command(name, true);
+}
+
+bool qmp_command_is_enabled(const QmpCommand *cmd)
+{
+    return cmd->enabled;
+}
+
+const char *qmp_command_name(const QmpCommand *cmd)
+{
+    return cmd->name;
+}
+
+bool qmp_has_success_response(const QmpCommand *cmd)
+{
+    return !(cmd->options & QCO_NO_SUCCESS_RESP);
+}
+
+void qmp_for_each_command(qmp_cmd_callback_fn fn, void *opaque)
+{
+    QmpCommand *cmd;
+
+    QTAILQ_FOREACH(cmd, &qmp_commands, node) {
+        fn(cmd, opaque);
+    }
+}