simpletrace: define exception and add handling

[mirror_qemu.git] / monitor / qmp-cmds-control.c

diff --git a/monitor/qmp-cmds-control.c b/monitor/qmp-cmds-control.c
index 17514f4959655bf2b97fc717f64226b4fef52736..f21506efa584598ef99b8f25e198934371e82caa 100644 (file)
--- a/monitor/qmp-cmds-control.c
+++ b/monitor/qmp-cmds-control.c
@@ -26,10 +26,13 @@
 
 #include "monitor-internal.h"
 #include "qemu-version.h"
+#include "qapi/compat-policy.h"
 #include "qapi/error.h"
 #include "qapi/qapi-commands-control.h"
-#include "qapi/qapi-emit-events.h"
+#include "qapi/qapi-commands-introspect.h"
 #include "qapi/qapi-introspect.h"
+#include "qapi/qapi-visit-introspect.h"
+#include "qapi/qobject-input-visitor.h"
 
 /*
  * Accept QMP capabilities in @list for @mon.
@@ -104,17 +107,16 @@ VersionInfo *qmp_query_version(Error **errp)
 
 static void query_commands_cb(const QmpCommand *cmd, void *opaque)
 {
-    CommandInfoList *info, **list = opaque;
+    CommandInfo *info;
+    CommandInfoList **list = opaque;
 
     if (!cmd->enabled) {
         return;
     }
 
     info = g_malloc0(sizeof(*info));
-    info->value = g_malloc0(sizeof(*info->value));
-    info->value->name = g_strdup(cmd->name);
-    info->next = *list;
-    *list = info;
+    info->name = g_strdup(cmd->name);
+    QAPI_LIST_PREPEND(*list, info);
 }
 
 CommandInfoList *qmp_query_commands(Error **errp)
@@ -131,41 +133,89 @@ CommandInfoList *qmp_query_commands(Error **errp)
     return list;
 }
 
-EventInfoList *qmp_query_events(Error **errp)
+static void *split_off_generic_list(void *list,
+                                    bool (*splitp)(void *elt),
+                                    void **part)
 {
-    /*
-     * TODO This deprecated command is the only user of
-     * QAPIEvent_str() and QAPIEvent_lookup[].  When the command goes,
-     * they should go, too.
-     */
-    EventInfoList *ev_list = NULL;
-    QAPIEvent e;
-
-    for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
-        const char *event_name = QAPIEvent_str(e);
-        EventInfo *info;
-
-        assert(event_name != NULL);
-        info = g_malloc0(sizeof(*info));
-        info->name = g_strdup(event_name);
-
-        QAPI_LIST_PREPEND(ev_list, info);
+    GenericList *keep = NULL, **keep_tailp = &keep;
+    GenericList *split = NULL, **split_tailp = &split;
+    GenericList *tail;
+
+    for (tail = list; tail; tail = tail->next) {
+        if (splitp(tail)) {
+            *split_tailp = tail;
+            split_tailp = &tail->next;
+        } else {
+            *keep_tailp = tail;
+            keep_tailp = &tail->next;
+        }
     }
 
-    return ev_list;
+    *keep_tailp = *split_tailp = NULL;
+    *part = split;
+    return keep;
 }
 
-/*
- * Minor hack: generated marshalling suppressed for this command
- * ('gen': false in the schema) so we can parse the JSON string
- * directly into QObject instead of first parsing it with
- * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
- * to QObject with generated output marshallers, every time.  Instead,
- * we do it in test-qobject-input-visitor.c, just to make sure
- * qapi-gen.py's output actually conforms to the schema.
- */
-void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
-                                 Error **errp)
+static bool is_in(const char *s, strList *list)
 {
-    *ret_data = qobject_from_qlit(&qmp_schema_qlit);
+    strList *tail;
+
+    for (tail = list; tail; tail = tail->next) {
+        if (!strcmp(tail->value, s)) {
+            return true;
+        }
+    }
+    return false;
+}
+
+static bool is_entity_deprecated(void *link)
+{
+    return is_in("deprecated", ((SchemaInfoList *)link)->value->features);
+}
+
+static bool is_member_deprecated(void *link)
+{
+    return is_in("deprecated",
+                 ((SchemaInfoObjectMemberList *)link)->value->features);
+}
+
+static SchemaInfoList *zap_deprecated(SchemaInfoList *schema)
+{
+    void *to_zap;
+    SchemaInfoList *tail;
+    SchemaInfo *ent;
+
+    schema = split_off_generic_list(schema, is_entity_deprecated, &to_zap);
+    qapi_free_SchemaInfoList(to_zap);
+
+    for (tail = schema; tail; tail = tail->next) {
+        ent = tail->value;
+        if (ent->meta_type == SCHEMA_META_TYPE_OBJECT) {
+            ent->u.object.members
+                = split_off_generic_list(ent->u.object.members,
+                                         is_member_deprecated, &to_zap);
+            qapi_free_SchemaInfoObjectMemberList(to_zap);
+        }
+    }
+
+    return schema;
+}
+
+SchemaInfoList *qmp_query_qmp_schema(Error **errp)
+{
+    QObject *obj = qobject_from_qlit(&qmp_schema_qlit);
+    Visitor *v = qobject_input_visitor_new(obj);
+    SchemaInfoList *schema = NULL;
+
+    /* test_visitor_in_qmp_introspect() ensures this can't fail */
+    visit_type_SchemaInfoList(v, NULL, &schema, &error_abort);
+    g_assert(schema);
+
+    qobject_unref(obj);
+    visit_free(v);
+
+    if (compat_policy.deprecated_output == COMPAT_POLICY_OUTPUT_HIDE) {
+        return zap_deprecated(schema);
+    }
+    return schema;
 }