]> git.proxmox.com Git - mirror_qemu.git/blobdiff - qapi/qobject-input-visitor.c
Merge tag 'pull-error-2023-11-17' of https://repo.or.cz/qemu/armbru into staging
[mirror_qemu.git] / qapi / qobject-input-visitor.c
index 07465f9947821e1cd90af3e450ba24ba535ba2b2..3e8aca6b1594cf1a41841cbd9140d6932113cd64 100644 (file)
 
 #include "qemu/osdep.h"
 #include <math.h>
+#include "qapi/compat-policy.h"
 #include "qapi/error.h"
 #include "qapi/qobject-input-visitor.h"
 #include "qapi/visitor-impl.h"
 #include "qemu/queue.h"
-#include "qemu-common.h"
 #include "qapi/qmp/qjson.h"
 #include "qapi/qmp/qbool.h"
 #include "qapi/qmp/qdict.h"
@@ -28,7 +28,7 @@
 #include "qapi/qmp/qnum.h"
 #include "qapi/qmp/qstring.h"
 #include "qemu/cutils.h"
-#include "qemu/option.h"
+#include "qemu/keyval.h"
 
 typedef struct StackObject {
     const char *name;            /* Name of @obj in its parent, if any */
@@ -204,31 +204,32 @@ static const char *qobject_input_get_keyval(QObjectInputVisitor *qiv,
     return qstring_get_str(qstr);
 }
 
-static void qdict_add_key(const char *key, QObject *obj, void *opaque)
-{
-    GHashTable *h = opaque;
-    g_hash_table_insert(h, (gpointer) key, NULL);
-}
-
 static const QListEntry *qobject_input_push(QObjectInputVisitor *qiv,
                                             const char *name,
                                             QObject *obj, void *qapi)
 {
     GHashTable *h;
     StackObject *tos = g_new0(StackObject, 1);
+    QDict *qdict = qobject_to(QDict, obj);
+    QList *qlist = qobject_to(QList, obj);
+    const QDictEntry *entry;
 
     assert(obj);
     tos->name = name;
     tos->obj = obj;
     tos->qapi = qapi;
 
-    if (qobject_type(obj) == QTYPE_QDICT) {
+    if (qdict) {
         h = g_hash_table_new(g_str_hash, g_str_equal);
-        qdict_iter(qobject_to(QDict, obj), qdict_add_key, h);
+        for (entry = qdict_first(qdict);
+             entry;
+             entry = qdict_next(qdict, entry)) {
+            g_hash_table_insert(h, (void *)qdict_entry_key(entry), NULL);
+        }
         tos->h = h;
     } else {
-        assert(qobject_type(obj) == QTYPE_QLIST);
-        tos->entry = qlist_first(qobject_to(QList, obj));
+        assert(qlist);
+        tos->entry = qlist_first(qlist);
         tos->index = -1;
     }
 
@@ -237,7 +238,7 @@ static const QListEntry *qobject_input_push(QObjectInputVisitor *qiv,
 }
 
 
-static void qobject_input_check_struct(Visitor *v, Error **errp)
+static bool qobject_input_check_struct(Visitor *v, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
     StackObject *tos = QSLIST_FIRST(&qiv->stack);
@@ -250,7 +251,9 @@ static void qobject_input_check_struct(Visitor *v, Error **errp)
     if (g_hash_table_iter_next(&iter, (void **)&key, NULL)) {
         error_setg(errp, "Parameter '%s' is unexpected",
                    full_name(qiv, key));
+        return false;
     }
+    return true;
 }
 
 static void qobject_input_stack_object_free(StackObject *tos)
@@ -272,7 +275,7 @@ static void qobject_input_pop(Visitor *v, void **obj)
     qobject_input_stack_object_free(tos);
 }
 
-static void qobject_input_start_struct(Visitor *v, const char *name, void **obj,
+static bool qobject_input_start_struct(Visitor *v, const char *name, void **obj,
                                        size_t size, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
@@ -282,12 +285,12 @@ static void qobject_input_start_struct(Visitor *v, const char *name, void **obj,
         *obj = NULL;
     }
     if (!qobj) {
-        return;
+        return false;
     }
     if (qobject_type(qobj) != QTYPE_QDICT) {
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
                    full_name(qiv, name), "object");
-        return;
+        return false;
     }
 
     qobject_input_push(qiv, name, qobj, obj);
@@ -295,6 +298,7 @@ static void qobject_input_start_struct(Visitor *v, const char *name, void **obj,
     if (obj) {
         *obj = g_malloc0(size);
     }
+    return true;
 }
 
 static void qobject_input_end_struct(Visitor *v, void **obj)
@@ -307,7 +311,7 @@ static void qobject_input_end_struct(Visitor *v, void **obj)
 }
 
 
-static void qobject_input_start_list(Visitor *v, const char *name,
+static bool qobject_input_start_list(Visitor *v, const char *name,
                                      GenericList **list, size_t size,
                                      Error **errp)
 {
@@ -319,18 +323,19 @@ static void qobject_input_start_list(Visitor *v, const char *name,
         *list = NULL;
     }
     if (!qobj) {
-        return;
+        return false;
     }
     if (qobject_type(qobj) != QTYPE_QLIST) {
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
                    full_name(qiv, name), "array");
-        return;
+        return false;
     }
 
     entry = qobject_input_push(qiv, name, qobj, list);
     if (entry && list) {
         *list = g_malloc0(size);
     }
+    return true;
 }
 
 static GenericList *qobject_input_next_list(Visitor *v, GenericList *tail,
@@ -348,7 +353,7 @@ static GenericList *qobject_input_next_list(Visitor *v, GenericList *tail,
     return tail->next;
 }
 
-static void qobject_input_check_list(Visitor *v, Error **errp)
+static bool qobject_input_check_list(Visitor *v, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
     StackObject *tos = QSLIST_FIRST(&qiv->stack);
@@ -358,7 +363,9 @@ static void qobject_input_check_list(Visitor *v, Error **errp)
     if (tos->entry) {
         error_setg(errp, "Only %u list elements expected in %s",
                    tos->index + 1, full_name_nth(qiv, NULL, 1));
+        return false;
     }
+    return true;
 }
 
 static void qobject_input_end_list(Visitor *v, void **obj)
@@ -370,7 +377,7 @@ static void qobject_input_end_list(Visitor *v, void **obj)
     qobject_input_pop(v, obj);
 }
 
-static void qobject_input_start_alternate(Visitor *v, const char *name,
+static bool qobject_input_start_alternate(Visitor *v, const char *name,
                                           GenericAlternate **obj, size_t size,
                                           Error **errp)
 {
@@ -379,13 +386,14 @@ static void qobject_input_start_alternate(Visitor *v, const char *name,
 
     if (!qobj) {
         *obj = NULL;
-        return;
+        return false;
     }
     *obj = g_malloc0(size);
     (*obj)->type = qobject_type(qobj);
+    return true;
 }
 
-static void qobject_input_type_int64(Visitor *v, const char *name, int64_t *obj,
+static bool qobject_input_type_int64(Visitor *v, const char *name, int64_t *obj,
                                      Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
@@ -393,33 +401,37 @@ static void qobject_input_type_int64(Visitor *v, const char *name, int64_t *obj,
     QNum *qnum;
 
     if (!qobj) {
-        return;
+        return false;
     }
     qnum = qobject_to(QNum, qobj);
     if (!qnum || !qnum_get_try_int(qnum, obj)) {
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
                    full_name(qiv, name), "integer");
+        return false;
     }
+    return true;
 }
 
-static void qobject_input_type_int64_keyval(Visitor *v, const char *name,
+static bool qobject_input_type_int64_keyval(Visitor *v, const char *name,
                                             int64_t *obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
     const char *str = qobject_input_get_keyval(qiv, name, errp);
 
     if (!str) {
-        return;
+        return false;
     }
 
     if (qemu_strtoi64(str, NULL, 0, obj) < 0) {
         /* TODO report -ERANGE more nicely */
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
                    full_name(qiv, name), "integer");
+        return false;
     }
+    return true;
 }
 
-static void qobject_input_type_uint64(Visitor *v, const char *name,
+static bool qobject_input_type_uint64(Visitor *v, const char *name,
                                       uint64_t *obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
@@ -428,7 +440,7 @@ static void qobject_input_type_uint64(Visitor *v, const char *name,
     int64_t val;
 
     if (!qobj) {
-        return;
+        return false;
     }
     qnum = qobject_to(QNum, qobj);
     if (!qnum) {
@@ -436,38 +448,41 @@ static void qobject_input_type_uint64(Visitor *v, const char *name,
     }
 
     if (qnum_get_try_uint(qnum, obj)) {
-        return;
+        return true;
     }
 
     /* Need to accept negative values for backward compatibility */
     if (qnum_get_try_int(qnum, &val)) {
         *obj = val;
-        return;
+        return true;
     }
 
 err:
     error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
                full_name(qiv, name), "uint64");
+    return false;
 }
 
-static void qobject_input_type_uint64_keyval(Visitor *v, const char *name,
+static bool qobject_input_type_uint64_keyval(Visitor *v, const char *name,
                                              uint64_t *obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
     const char *str = qobject_input_get_keyval(qiv, name, errp);
 
     if (!str) {
-        return;
+        return false;
     }
 
     if (qemu_strtou64(str, NULL, 0, obj) < 0) {
         /* TODO report -ERANGE more nicely */
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
                    full_name(qiv, name), "integer");
+        return false;
     }
+    return true;
 }
 
-static void qobject_input_type_bool(Visitor *v, const char *name, bool *obj,
+static bool qobject_input_type_bool(Visitor *v, const char *name, bool *obj,
                                     Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
@@ -475,39 +490,38 @@ static void qobject_input_type_bool(Visitor *v, const char *name, bool *obj,
     QBool *qbool;
 
     if (!qobj) {
-        return;
+        return false;
     }
     qbool = qobject_to(QBool, qobj);
     if (!qbool) {
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
                    full_name(qiv, name), "boolean");
-        return;
+        return false;
     }
 
     *obj = qbool_get_bool(qbool);
+    return true;
 }
 
-static void qobject_input_type_bool_keyval(Visitor *v, const char *name,
+static bool qobject_input_type_bool_keyval(Visitor *v, const char *name,
                                            bool *obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
     const char *str = qobject_input_get_keyval(qiv, name, errp);
 
     if (!str) {
-        return;
+        return false;
     }
 
-    if (!strcmp(str, "on")) {
-        *obj = true;
-    } else if (!strcmp(str, "off")) {
-        *obj = false;
-    } else {
+    if (!qapi_bool_parse(name, str, obj, NULL)) {
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
                    full_name(qiv, name), "'on' or 'off'");
+        return false;
     }
+    return true;
 }
 
-static void qobject_input_type_str(Visitor *v, const char *name, char **obj,
+static bool qobject_input_type_str(Visitor *v, const char *name, char **obj,
                                    Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
@@ -516,28 +530,30 @@ static void qobject_input_type_str(Visitor *v, const char *name, char **obj,
 
     *obj = NULL;
     if (!qobj) {
-        return;
+        return false;
     }
     qstr = qobject_to(QString, qobj);
     if (!qstr) {
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
                    full_name(qiv, name), "string");
-        return;
+        return false;
     }
 
     *obj = g_strdup(qstring_get_str(qstr));
+    return true;
 }
 
-static void qobject_input_type_str_keyval(Visitor *v, const char *name,
+static bool qobject_input_type_str_keyval(Visitor *v, const char *name,
                                           char **obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
     const char *str = qobject_input_get_keyval(qiv, name, errp);
 
     *obj = g_strdup(str);
+    return !!str;
 }
 
-static void qobject_input_type_number(Visitor *v, const char *name, double *obj,
+static bool qobject_input_type_number(Visitor *v, const char *name, double *obj,
                                       Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
@@ -545,19 +561,20 @@ static void qobject_input_type_number(Visitor *v, const char *name, double *obj,
     QNum *qnum;
 
     if (!qobj) {
-        return;
+        return false;
     }
     qnum = qobject_to(QNum, qobj);
     if (!qnum) {
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
                    full_name(qiv, name), "number");
-        return;
+        return false;
     }
 
     *obj = qnum_get_double(qnum);
+    return true;
 }
 
-static void qobject_input_type_number_keyval(Visitor *v, const char *name,
+static bool qobject_input_type_number_keyval(Visitor *v, const char *name,
                                              double *obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
@@ -565,20 +582,21 @@ static void qobject_input_type_number_keyval(Visitor *v, const char *name,
     double val;
 
     if (!str) {
-        return;
+        return false;
     }
 
     if (qemu_strtod_finite(str, NULL, &val)) {
         /* TODO report -ERANGE more nicely */
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
                    full_name(qiv, name), "number");
-        return;
+        return false;
     }
 
     *obj = val;
+    return true;
 }
 
-static void qobject_input_type_any(Visitor *v, const char *name, QObject **obj,
+static bool qobject_input_type_any(Visitor *v, const char *name, QObject **obj,
                                    Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
@@ -586,13 +604,14 @@ static void qobject_input_type_any(Visitor *v, const char *name, QObject **obj,
 
     *obj = NULL;
     if (!qobj) {
-        return;
+        return false;
     }
 
     *obj = qobject_ref(qobj);
+    return true;
 }
 
-static void qobject_input_type_null(Visitor *v, const char *name,
+static bool qobject_input_type_null(Visitor *v, const char *name,
                                     QNull **obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
@@ -600,32 +619,35 @@ static void qobject_input_type_null(Visitor *v, const char *name,
 
     *obj = NULL;
     if (!qobj) {
-        return;
+        return false;
     }
 
     if (qobject_type(qobj) != QTYPE_QNULL) {
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
                    full_name(qiv, name), "null");
-        return;
+        return false;
     }
     *obj = qnull();
+    return true;
 }
 
-static void qobject_input_type_size_keyval(Visitor *v, const char *name,
+static bool qobject_input_type_size_keyval(Visitor *v, const char *name,
                                            uint64_t *obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
     const char *str = qobject_input_get_keyval(qiv, name, errp);
 
     if (!str) {
-        return;
+        return false;
     }
 
     if (qemu_strtosz(str, NULL, obj) < 0) {
         /* TODO report -ERANGE more nicely */
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
                    full_name(qiv, name), "size");
+        return false;
     }
+    return true;
 }
 
 static void qobject_input_optional(Visitor *v, const char *name, bool *present)
@@ -641,6 +663,15 @@ static void qobject_input_optional(Visitor *v, const char *name, bool *present)
     *present = true;
 }
 
+static bool qobject_input_policy_reject(Visitor *v, const char *name,
+                                        unsigned special_features,
+                                        Error **errp)
+{
+    return !compat_policy_input_ok(special_features, &v->compat_policy,
+                                   ERROR_CLASS_GENERIC_ERROR,
+                                   "parameter", name, errp);
+}
+
 static void qobject_input_free(Visitor *v)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
@@ -675,6 +706,7 @@ static QObjectInputVisitor *qobject_input_visitor_base_new(QObject *obj)
     v->visitor.end_list = qobject_input_end_list;
     v->visitor.start_alternate = qobject_input_start_alternate;
     v->visitor.optional = qobject_input_optional;
+    v->visitor.policy_reject = qobject_input_policy_reject;
     v->visitor.free = qobject_input_free;
 
     v->root = qobject_ref(obj);
@@ -732,7 +764,7 @@ Visitor *qobject_input_visitor_new_str(const char *str,
         assert(args);
         v = qobject_input_visitor_new(QOBJECT(args));
     } else {
-        args = keyval_parse(str, implied_key, errp);
+        args = keyval_parse(str, implied_key, NULL, errp);
         if (!args) {
             return NULL;
         }