Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Input Visitor |
| 3 | * |
Eric Blake | 08f9541 | 2016-01-29 06:48:59 -0700 | [diff] [blame] | 4 | * Copyright (C) 2012-2016 Red Hat, Inc. |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 5 | * Copyright IBM, Corp. 2011 |
| 6 | * |
| 7 | * Authors: |
| 8 | * Anthony Liguori <aliguori@us.ibm.com> |
| 9 | * |
| 10 | * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. |
| 11 | * See the COPYING.LIB file in the top-level directory. |
| 12 | * |
| 13 | */ |
| 14 | |
Peter Maydell | cbf2115 | 2016-01-29 17:49:57 +0000 | [diff] [blame] | 15 | #include "qemu/osdep.h" |
Markus Armbruster | da34e65 | 2016-03-14 09:01:28 +0100 | [diff] [blame] | 16 | #include "qapi/error.h" |
Daniel P. Berrange | b3db211 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 17 | #include "qapi/qobject-input-visitor.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 18 | #include "qapi/visitor-impl.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 19 | #include "qemu/queue.h" |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 20 | #include "qemu-common.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 21 | #include "qapi/qmp/types.h" |
| 22 | #include "qapi/qmp/qerror.h" |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 23 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 24 | typedef struct StackObject { |
| 25 | const char *name; /* Name of @obj in its parent, if any */ |
| 26 | QObject *obj; /* QDict or QList being visited */ |
Eric Blake | 1158bb2 | 2016-06-09 10:48:34 -0600 | [diff] [blame] | 27 | void *qapi; /* sanity check that caller uses same pointer */ |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 28 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 29 | GHashTable *h; /* If @obj is QDict: unvisited keys */ |
| 30 | const QListEntry *entry; /* If @obj is QList: unvisited tail */ |
| 31 | unsigned index; /* If @obj is QList: list index of @entry */ |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 32 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 33 | QSLIST_ENTRY(StackObject) node; /* parent */ |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 34 | } StackObject; |
| 35 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 36 | struct QObjectInputVisitor { |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 37 | Visitor visitor; |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 38 | |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 39 | /* Root of visit at visitor creation. */ |
| 40 | QObject *root; |
| 41 | |
| 42 | /* Stack of objects being visited (all entries will be either |
| 43 | * QDict or QList). */ |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 44 | QSLIST_HEAD(, StackObject) stack; |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 45 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 46 | GString *errname; /* Accumulator for full_name() */ |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 47 | }; |
| 48 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 49 | static QObjectInputVisitor *to_qiv(Visitor *v) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 50 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 51 | return container_of(v, QObjectInputVisitor, visitor); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 52 | } |
| 53 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 54 | static const char *full_name(QObjectInputVisitor *qiv, const char *name) |
| 55 | { |
| 56 | StackObject *so; |
| 57 | char buf[32]; |
| 58 | |
| 59 | if (qiv->errname) { |
| 60 | g_string_truncate(qiv->errname, 0); |
| 61 | } else { |
| 62 | qiv->errname = g_string_new(""); |
| 63 | } |
| 64 | |
| 65 | QSLIST_FOREACH(so , &qiv->stack, node) { |
| 66 | if (qobject_type(so->obj) == QTYPE_QDICT) { |
| 67 | g_string_prepend(qiv->errname, name); |
| 68 | g_string_prepend_c(qiv->errname, '.'); |
| 69 | } else { |
| 70 | snprintf(buf, sizeof(buf), "[%u]", so->index); |
| 71 | g_string_prepend(qiv->errname, buf); |
| 72 | } |
| 73 | name = so->name; |
| 74 | } |
| 75 | |
| 76 | if (name) { |
| 77 | g_string_prepend(qiv->errname, name); |
| 78 | } else if (qiv->errname->str[0] == '.') { |
| 79 | g_string_erase(qiv->errname, 0, 1); |
| 80 | } else { |
| 81 | return "<anonymous>"; |
| 82 | } |
| 83 | |
| 84 | return qiv->errname->str; |
| 85 | } |
| 86 | |
| 87 | static QObject *qobject_input_try_get_object(QObjectInputVisitor *qiv, |
| 88 | const char *name, |
| 89 | bool consume) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 90 | { |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 91 | StackObject *tos; |
| 92 | QObject *qobj; |
Eric Blake | e5826a2 | 2016-04-28 15:45:15 -0600 | [diff] [blame] | 93 | QObject *ret; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 94 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 95 | if (QSLIST_EMPTY(&qiv->stack)) { |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 96 | /* Starting at root, name is ignored. */ |
Marc-André Lureau | 5d0cbbc | 2016-09-30 13:59:46 +0400 | [diff] [blame] | 97 | assert(qiv->root); |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 98 | return qiv->root; |
| 99 | } |
| 100 | |
| 101 | /* We are in a container; find the next element. */ |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 102 | tos = QSLIST_FIRST(&qiv->stack); |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 103 | qobj = tos->obj; |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 104 | assert(qobj); |
| 105 | |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 106 | if (qobject_type(qobj) == QTYPE_QDICT) { |
| 107 | assert(name); |
Eric Blake | e5826a2 | 2016-04-28 15:45:15 -0600 | [diff] [blame] | 108 | ret = qdict_get(qobject_to_qdict(qobj), name); |
| 109 | if (tos->h && consume && ret) { |
| 110 | bool removed = g_hash_table_remove(tos->h, name); |
| 111 | assert(removed); |
Paolo Bonzini | 47c6d3e | 2011-12-18 17:05:04 +0100 | [diff] [blame] | 112 | } |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 113 | } else { |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 114 | assert(qobject_type(qobj) == QTYPE_QLIST); |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 115 | assert(!name); |
| 116 | ret = qlist_entry_obj(tos->entry); |
Marc-André Lureau | eac8e79 | 2016-09-30 13:59:47 +0400 | [diff] [blame] | 117 | assert(ret); |
Eric Blake | fcf3cb2 | 2016-04-28 15:45:19 -0600 | [diff] [blame] | 118 | if (consume) { |
| 119 | tos->entry = qlist_next(tos->entry); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 120 | tos->index++; |
Eric Blake | fcf3cb2 | 2016-04-28 15:45:19 -0600 | [diff] [blame] | 121 | } |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 122 | } |
| 123 | |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 124 | return ret; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 125 | } |
| 126 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 127 | static QObject *qobject_input_get_object(QObjectInputVisitor *qiv, |
| 128 | const char *name, |
| 129 | bool consume, Error **errp) |
| 130 | { |
| 131 | QObject *obj = qobject_input_try_get_object(qiv, name, consume); |
| 132 | |
| 133 | if (!obj) { |
| 134 | error_setg(errp, QERR_MISSING_PARAMETER, full_name(qiv, name)); |
| 135 | } |
| 136 | return obj; |
| 137 | } |
| 138 | |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 139 | static void qdict_add_key(const char *key, QObject *obj, void *opaque) |
| 140 | { |
| 141 | GHashTable *h = opaque; |
| 142 | g_hash_table_insert(h, (gpointer) key, NULL); |
| 143 | } |
| 144 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 145 | static const QListEntry *qobject_input_push(QObjectInputVisitor *qiv, |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 146 | const char *name, |
Markus Armbruster | b8874fb | 2017-03-03 13:32:32 +0100 | [diff] [blame] | 147 | QObject *obj, void *qapi) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 148 | { |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 149 | GHashTable *h; |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 150 | StackObject *tos = g_new0(StackObject, 1); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 151 | |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 152 | assert(obj); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 153 | tos->name = name; |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 154 | tos->obj = obj; |
Eric Blake | 1158bb2 | 2016-06-09 10:48:34 -0600 | [diff] [blame] | 155 | tos->qapi = qapi; |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 156 | |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 157 | if (qobject_type(obj) == QTYPE_QDICT) { |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 158 | h = g_hash_table_new(g_str_hash, g_str_equal); |
| 159 | qdict_iter(qobject_to_qdict(obj), qdict_add_key, h); |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 160 | tos->h = h; |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 161 | } else { |
| 162 | assert(qobject_type(obj) == QTYPE_QLIST); |
Eric Blake | fcf3cb2 | 2016-04-28 15:45:19 -0600 | [diff] [blame] | 163 | tos->entry = qlist_first(qobject_to_qlist(obj)); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 164 | tos->index = -1; |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 165 | } |
| 166 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 167 | QSLIST_INSERT_HEAD(&qiv->stack, tos, node); |
Eric Blake | d9f62dd | 2016-04-28 15:45:31 -0600 | [diff] [blame] | 168 | return tos->entry; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 169 | } |
| 170 | |
NODA, Kai | 57a33d8 | 2012-04-21 22:41:27 +0900 | [diff] [blame] | 171 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 172 | static void qobject_input_check_struct(Visitor *v, Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 173 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 174 | QObjectInputVisitor *qiv = to_qiv(v); |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 175 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 176 | GHashTableIter iter; |
| 177 | const char *key; |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 178 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 179 | assert(tos && !tos->entry); |
Eric Blake | f96493b | 2016-02-17 23:48:15 -0700 | [diff] [blame] | 180 | |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 181 | g_hash_table_iter_init(&iter, tos->h); |
| 182 | if (g_hash_table_iter_next(&iter, (void **)&key, NULL)) { |
| 183 | error_setg(errp, "Parameter '%s' is unexpected", |
| 184 | full_name(qiv, key)); |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 185 | } |
| 186 | } |
| 187 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 188 | static void qobject_input_stack_object_free(StackObject *tos) |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 189 | { |
| 190 | if (tos->h) { |
| 191 | g_hash_table_unref(tos->h); |
| 192 | } |
| 193 | |
| 194 | g_free(tos); |
| 195 | } |
| 196 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 197 | static void qobject_input_pop(Visitor *v, void **obj) |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 198 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 199 | QObjectInputVisitor *qiv = to_qiv(v); |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 200 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 201 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 202 | assert(tos && tos->qapi == obj); |
| 203 | QSLIST_REMOVE_HEAD(&qiv->stack, node); |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 204 | qobject_input_stack_object_free(tos); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 205 | } |
| 206 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 207 | static void qobject_input_start_struct(Visitor *v, const char *name, void **obj, |
| 208 | size_t size, Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 209 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 210 | QObjectInputVisitor *qiv = to_qiv(v); |
| 211 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 212 | |
Eric Blake | e58d695 | 2016-04-28 15:45:10 -0600 | [diff] [blame] | 213 | if (obj) { |
| 214 | *obj = NULL; |
| 215 | } |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 216 | if (!qobj) { |
| 217 | return; |
| 218 | } |
| 219 | if (qobject_type(qobj) != QTYPE_QDICT) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 220 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 221 | full_name(qiv, name), "object"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 222 | return; |
| 223 | } |
| 224 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 225 | qobject_input_push(qiv, name, qobj, obj); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 226 | |
| 227 | if (obj) { |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 228 | *obj = g_malloc0(size); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 229 | } |
| 230 | } |
| 231 | |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 232 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 233 | static void qobject_input_start_list(Visitor *v, const char *name, |
| 234 | GenericList **list, size_t size, |
| 235 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 236 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 237 | QObjectInputVisitor *qiv = to_qiv(v); |
| 238 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Eric Blake | d9f62dd | 2016-04-28 15:45:31 -0600 | [diff] [blame] | 239 | const QListEntry *entry; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 240 | |
Markus Armbruster | 58561c2 | 2017-03-03 13:32:33 +0100 | [diff] [blame] | 241 | if (list) { |
| 242 | *list = NULL; |
| 243 | } |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 244 | if (!qobj) { |
| 245 | return; |
| 246 | } |
| 247 | if (qobject_type(qobj) != QTYPE_QLIST) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 248 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 249 | full_name(qiv, name), "array"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 250 | return; |
| 251 | } |
| 252 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 253 | entry = qobject_input_push(qiv, name, qobj, list); |
Markus Armbruster | 58561c2 | 2017-03-03 13:32:33 +0100 | [diff] [blame] | 254 | if (entry && list) { |
| 255 | *list = g_malloc0(size); |
Eric Blake | d9f62dd | 2016-04-28 15:45:31 -0600 | [diff] [blame] | 256 | } |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 257 | } |
| 258 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 259 | static GenericList *qobject_input_next_list(Visitor *v, GenericList *tail, |
| 260 | size_t size) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 261 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 262 | QObjectInputVisitor *qiv = to_qiv(v); |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 263 | StackObject *so = QSLIST_FIRST(&qiv->stack); |
Paolo Bonzini | 3a86a0f | 2012-03-22 22:38:40 +0100 | [diff] [blame] | 264 | |
Eric Blake | fcf3cb2 | 2016-04-28 15:45:19 -0600 | [diff] [blame] | 265 | if (!so->entry) { |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 266 | return NULL; |
| 267 | } |
Eric Blake | d9f62dd | 2016-04-28 15:45:31 -0600 | [diff] [blame] | 268 | tail->next = g_malloc0(size); |
| 269 | return tail->next; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 270 | } |
| 271 | |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 272 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 273 | static void qobject_input_start_alternate(Visitor *v, const char *name, |
| 274 | GenericAlternate **obj, size_t size, |
| 275 | bool promote_int, Error **errp) |
Kevin Wolf | 69dd62d | 2013-07-08 16:14:21 +0200 | [diff] [blame] | 276 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 277 | QObjectInputVisitor *qiv = to_qiv(v); |
| 278 | QObject *qobj = qobject_input_get_object(qiv, name, false, errp); |
Kevin Wolf | 69dd62d | 2013-07-08 16:14:21 +0200 | [diff] [blame] | 279 | |
| 280 | if (!qobj) { |
Eric Blake | dbf1192 | 2016-02-17 23:48:29 -0700 | [diff] [blame] | 281 | *obj = NULL; |
Kevin Wolf | 69dd62d | 2013-07-08 16:14:21 +0200 | [diff] [blame] | 282 | return; |
| 283 | } |
Eric Blake | dbf1192 | 2016-02-17 23:48:29 -0700 | [diff] [blame] | 284 | *obj = g_malloc0(size); |
| 285 | (*obj)->type = qobject_type(qobj); |
| 286 | if (promote_int && (*obj)->type == QTYPE_QINT) { |
| 287 | (*obj)->type = QTYPE_QFLOAT; |
Eric Blake | d00341a | 2015-12-01 22:20:51 -0700 | [diff] [blame] | 288 | } |
Kevin Wolf | 69dd62d | 2013-07-08 16:14:21 +0200 | [diff] [blame] | 289 | } |
| 290 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 291 | static void qobject_input_type_int64(Visitor *v, const char *name, int64_t *obj, |
| 292 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 293 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 294 | QObjectInputVisitor *qiv = to_qiv(v); |
| 295 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 296 | QInt *qint; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 297 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 298 | if (!qobj) { |
| 299 | return; |
| 300 | } |
| 301 | qint = qobject_to_qint(qobj); |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 302 | if (!qint) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 303 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 304 | full_name(qiv, name), "integer"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 305 | return; |
| 306 | } |
| 307 | |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 308 | *obj = qint_get_int(qint); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 309 | } |
| 310 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 311 | static void qobject_input_type_uint64(Visitor *v, const char *name, |
| 312 | uint64_t *obj, Error **errp) |
Eric Blake | f755dea | 2016-01-29 06:48:50 -0700 | [diff] [blame] | 313 | { |
| 314 | /* FIXME: qobject_to_qint mishandles values over INT64_MAX */ |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 315 | QObjectInputVisitor *qiv = to_qiv(v); |
| 316 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 317 | QInt *qint; |
Eric Blake | f755dea | 2016-01-29 06:48:50 -0700 | [diff] [blame] | 318 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 319 | if (!qobj) { |
| 320 | return; |
| 321 | } |
| 322 | qint = qobject_to_qint(qobj); |
Eric Blake | f755dea | 2016-01-29 06:48:50 -0700 | [diff] [blame] | 323 | if (!qint) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 324 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 325 | full_name(qiv, name), "integer"); |
Eric Blake | f755dea | 2016-01-29 06:48:50 -0700 | [diff] [blame] | 326 | return; |
| 327 | } |
| 328 | |
| 329 | *obj = qint_get_int(qint); |
| 330 | } |
| 331 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 332 | static void qobject_input_type_bool(Visitor *v, const char *name, bool *obj, |
| 333 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 334 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 335 | QObjectInputVisitor *qiv = to_qiv(v); |
| 336 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 337 | QBool *qbool; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 338 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 339 | if (!qobj) { |
| 340 | return; |
| 341 | } |
| 342 | qbool = qobject_to_qbool(qobj); |
Markus Armbruster | 14b6160 | 2015-10-15 16:15:33 +0200 | [diff] [blame] | 343 | if (!qbool) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 344 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 345 | full_name(qiv, name), "boolean"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 346 | return; |
| 347 | } |
| 348 | |
Markus Armbruster | 14b6160 | 2015-10-15 16:15:33 +0200 | [diff] [blame] | 349 | *obj = qbool_get_bool(qbool); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 350 | } |
| 351 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 352 | static void qobject_input_type_str(Visitor *v, const char *name, char **obj, |
| 353 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 354 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 355 | QObjectInputVisitor *qiv = to_qiv(v); |
| 356 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 357 | QString *qstr; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 358 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 359 | *obj = NULL; |
| 360 | if (!qobj) { |
| 361 | return; |
| 362 | } |
| 363 | qstr = qobject_to_qstring(qobj); |
Markus Armbruster | 7f02784 | 2015-10-15 16:15:37 +0200 | [diff] [blame] | 364 | if (!qstr) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 365 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 366 | full_name(qiv, name), "string"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 367 | return; |
| 368 | } |
| 369 | |
Markus Armbruster | 7f02784 | 2015-10-15 16:15:37 +0200 | [diff] [blame] | 370 | *obj = g_strdup(qstring_get_str(qstr)); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 371 | } |
| 372 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 373 | static void qobject_input_type_number(Visitor *v, const char *name, double *obj, |
| 374 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 375 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 376 | QObjectInputVisitor *qiv = to_qiv(v); |
| 377 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 378 | QInt *qint; |
| 379 | QFloat *qfloat; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 380 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 381 | if (!qobj) { |
| 382 | return; |
| 383 | } |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 384 | qint = qobject_to_qint(qobj); |
| 385 | if (qint) { |
| 386 | *obj = qint_get_int(qobject_to_qint(qobj)); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 387 | return; |
| 388 | } |
| 389 | |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 390 | qfloat = qobject_to_qfloat(qobj); |
| 391 | if (qfloat) { |
Michael Roth | 1ee5187 | 2012-05-11 12:43:24 -0500 | [diff] [blame] | 392 | *obj = qfloat_get_double(qobject_to_qfloat(qobj)); |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 393 | return; |
Michael Roth | 1ee5187 | 2012-05-11 12:43:24 -0500 | [diff] [blame] | 394 | } |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 395 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 396 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 397 | full_name(qiv, name), "number"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 398 | } |
| 399 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 400 | static void qobject_input_type_any(Visitor *v, const char *name, QObject **obj, |
| 401 | Error **errp) |
Markus Armbruster | 28770e0 | 2015-09-16 13:06:24 +0200 | [diff] [blame] | 402 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 403 | QObjectInputVisitor *qiv = to_qiv(v); |
| 404 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Markus Armbruster | 28770e0 | 2015-09-16 13:06:24 +0200 | [diff] [blame] | 405 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 406 | *obj = NULL; |
Marc-André Lureau | c489780 | 2016-09-23 00:39:26 +0400 | [diff] [blame] | 407 | if (!qobj) { |
Marc-André Lureau | c489780 | 2016-09-23 00:39:26 +0400 | [diff] [blame] | 408 | return; |
| 409 | } |
| 410 | |
Markus Armbruster | 28770e0 | 2015-09-16 13:06:24 +0200 | [diff] [blame] | 411 | qobject_incref(qobj); |
| 412 | *obj = qobj; |
| 413 | } |
| 414 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 415 | static void qobject_input_type_null(Visitor *v, const char *name, Error **errp) |
Eric Blake | 3bc97fd | 2016-04-28 15:45:22 -0600 | [diff] [blame] | 416 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 417 | QObjectInputVisitor *qiv = to_qiv(v); |
| 418 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Eric Blake | 3df016f | 2016-04-28 15:45:23 -0600 | [diff] [blame] | 419 | |
Marc-André Lureau | c489780 | 2016-09-23 00:39:26 +0400 | [diff] [blame] | 420 | if (!qobj) { |
Marc-André Lureau | c489780 | 2016-09-23 00:39:26 +0400 | [diff] [blame] | 421 | return; |
| 422 | } |
| 423 | |
Eric Blake | 3df016f | 2016-04-28 15:45:23 -0600 | [diff] [blame] | 424 | if (qobject_type(qobj) != QTYPE_QNULL) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 425 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 426 | full_name(qiv, name), "null"); |
Eric Blake | 3df016f | 2016-04-28 15:45:23 -0600 | [diff] [blame] | 427 | } |
Eric Blake | 3bc97fd | 2016-04-28 15:45:22 -0600 | [diff] [blame] | 428 | } |
| 429 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 430 | static void qobject_input_optional(Visitor *v, const char *name, bool *present) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 431 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 432 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 433 | QObject *qobj = qobject_input_try_get_object(qiv, name, false); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 434 | |
| 435 | if (!qobj) { |
| 436 | *present = false; |
| 437 | return; |
| 438 | } |
| 439 | |
| 440 | *present = true; |
| 441 | } |
| 442 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 443 | static void qobject_input_free(Visitor *v) |
Eric Blake | 2c0ef9f | 2016-06-09 10:48:35 -0600 | [diff] [blame] | 444 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 445 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 446 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 447 | while (!QSLIST_EMPTY(&qiv->stack)) { |
| 448 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
| 449 | |
| 450 | QSLIST_REMOVE_HEAD(&qiv->stack, node); |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 451 | qobject_input_stack_object_free(tos); |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 452 | } |
Eric Blake | 2c0ef9f | 2016-06-09 10:48:35 -0600 | [diff] [blame] | 453 | |
Eric Blake | b70ce101 | 2016-06-09 10:48:38 -0600 | [diff] [blame] | 454 | qobject_decref(qiv->root); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 455 | if (qiv->errname) { |
| 456 | g_string_free(qiv->errname, TRUE); |
| 457 | } |
Eric Blake | b70ce101 | 2016-06-09 10:48:38 -0600 | [diff] [blame] | 458 | g_free(qiv); |
Eric Blake | 2c0ef9f | 2016-06-09 10:48:35 -0600 | [diff] [blame] | 459 | } |
| 460 | |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 461 | Visitor *qobject_input_visitor_new(QObject *obj) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 462 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 463 | QObjectInputVisitor *v; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 464 | |
Marc-André Lureau | 5d0cbbc | 2016-09-30 13:59:46 +0400 | [diff] [blame] | 465 | assert(obj); |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 466 | v = g_malloc0(sizeof(*v)); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 467 | |
Eric Blake | 983f52d | 2016-04-28 15:45:09 -0600 | [diff] [blame] | 468 | v->visitor.type = VISITOR_INPUT; |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 469 | v->visitor.start_struct = qobject_input_start_struct; |
| 470 | v->visitor.check_struct = qobject_input_check_struct; |
| 471 | v->visitor.end_struct = qobject_input_pop; |
| 472 | v->visitor.start_list = qobject_input_start_list; |
| 473 | v->visitor.next_list = qobject_input_next_list; |
| 474 | v->visitor.end_list = qobject_input_pop; |
| 475 | v->visitor.start_alternate = qobject_input_start_alternate; |
| 476 | v->visitor.type_int64 = qobject_input_type_int64; |
| 477 | v->visitor.type_uint64 = qobject_input_type_uint64; |
| 478 | v->visitor.type_bool = qobject_input_type_bool; |
| 479 | v->visitor.type_str = qobject_input_type_str; |
| 480 | v->visitor.type_number = qobject_input_type_number; |
| 481 | v->visitor.type_any = qobject_input_type_any; |
| 482 | v->visitor.type_null = qobject_input_type_null; |
| 483 | v->visitor.optional = qobject_input_optional; |
| 484 | v->visitor.free = qobject_input_free; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 485 | |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 486 | v->root = obj; |
Paolo Bonzini | 4faaec6 | 2012-03-22 12:51:09 +0100 | [diff] [blame] | 487 | qobject_incref(obj); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 488 | |
Eric Blake | b70ce101 | 2016-06-09 10:48:38 -0600 | [diff] [blame] | 489 | return &v->visitor; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 490 | } |