Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Input Visitor |
| 3 | * |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 4 | * Copyright (C) 2012-2017 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" |
Markus Armbruster | 9d1eab4 | 2017-02-28 22:27:06 +0100 | [diff] [blame] | 21 | #include "qapi/qmp/qjson.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 22 | #include "qapi/qmp/types.h" |
| 23 | #include "qapi/qmp/qerror.h" |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 24 | #include "qemu/cutils.h" |
Markus Armbruster | 9d1eab4 | 2017-02-28 22:27:06 +0100 | [diff] [blame] | 25 | #include "qemu/option.h" |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 26 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 27 | typedef struct StackObject { |
| 28 | const char *name; /* Name of @obj in its parent, if any */ |
| 29 | QObject *obj; /* QDict or QList being visited */ |
Eric Blake | 1158bb2 | 2016-06-09 10:48:34 -0600 | [diff] [blame] | 30 | void *qapi; /* sanity check that caller uses same pointer */ |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 31 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 32 | GHashTable *h; /* If @obj is QDict: unvisited keys */ |
| 33 | const QListEntry *entry; /* If @obj is QList: unvisited tail */ |
| 34 | unsigned index; /* If @obj is QList: list index of @entry */ |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 35 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 36 | QSLIST_ENTRY(StackObject) node; /* parent */ |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 37 | } StackObject; |
| 38 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 39 | struct QObjectInputVisitor { |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 40 | Visitor visitor; |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 41 | |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 42 | /* Root of visit at visitor creation. */ |
| 43 | QObject *root; |
| 44 | |
| 45 | /* Stack of objects being visited (all entries will be either |
| 46 | * QDict or QList). */ |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 47 | QSLIST_HEAD(, StackObject) stack; |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 48 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 49 | GString *errname; /* Accumulator for full_name() */ |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 50 | }; |
| 51 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 52 | static QObjectInputVisitor *to_qiv(Visitor *v) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 53 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 54 | return container_of(v, QObjectInputVisitor, visitor); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 55 | } |
| 56 | |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 57 | static const char *full_name_nth(QObjectInputVisitor *qiv, const char *name, |
| 58 | int n) |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 59 | { |
| 60 | StackObject *so; |
| 61 | char buf[32]; |
| 62 | |
| 63 | if (qiv->errname) { |
| 64 | g_string_truncate(qiv->errname, 0); |
| 65 | } else { |
| 66 | qiv->errname = g_string_new(""); |
| 67 | } |
| 68 | |
| 69 | QSLIST_FOREACH(so , &qiv->stack, node) { |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 70 | if (n) { |
| 71 | n--; |
| 72 | } else if (qobject_type(so->obj) == QTYPE_QDICT) { |
| 73 | g_string_prepend(qiv->errname, name ?: "<anonymous>"); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 74 | g_string_prepend_c(qiv->errname, '.'); |
| 75 | } else { |
| 76 | snprintf(buf, sizeof(buf), "[%u]", so->index); |
| 77 | g_string_prepend(qiv->errname, buf); |
| 78 | } |
| 79 | name = so->name; |
| 80 | } |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 81 | assert(!n); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 82 | |
| 83 | if (name) { |
| 84 | g_string_prepend(qiv->errname, name); |
| 85 | } else if (qiv->errname->str[0] == '.') { |
| 86 | g_string_erase(qiv->errname, 0, 1); |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 87 | } else if (!qiv->errname->str[0]) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 88 | return "<anonymous>"; |
| 89 | } |
| 90 | |
| 91 | return qiv->errname->str; |
| 92 | } |
| 93 | |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 94 | static const char *full_name(QObjectInputVisitor *qiv, const char *name) |
| 95 | { |
| 96 | return full_name_nth(qiv, name, 0); |
| 97 | } |
| 98 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 99 | static QObject *qobject_input_try_get_object(QObjectInputVisitor *qiv, |
| 100 | const char *name, |
| 101 | bool consume) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 102 | { |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 103 | StackObject *tos; |
| 104 | QObject *qobj; |
Eric Blake | e5826a2 | 2016-04-28 15:45:15 -0600 | [diff] [blame] | 105 | QObject *ret; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 106 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 107 | if (QSLIST_EMPTY(&qiv->stack)) { |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 108 | /* Starting at root, name is ignored. */ |
Marc-André Lureau | 5d0cbbc | 2016-09-30 13:59:46 +0400 | [diff] [blame] | 109 | assert(qiv->root); |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 110 | return qiv->root; |
| 111 | } |
| 112 | |
| 113 | /* We are in a container; find the next element. */ |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 114 | tos = QSLIST_FIRST(&qiv->stack); |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 115 | qobj = tos->obj; |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 116 | assert(qobj); |
| 117 | |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 118 | if (qobject_type(qobj) == QTYPE_QDICT) { |
| 119 | assert(name); |
Eric Blake | e5826a2 | 2016-04-28 15:45:15 -0600 | [diff] [blame] | 120 | ret = qdict_get(qobject_to_qdict(qobj), name); |
| 121 | if (tos->h && consume && ret) { |
| 122 | bool removed = g_hash_table_remove(tos->h, name); |
| 123 | assert(removed); |
Paolo Bonzini | 47c6d3e | 2011-12-18 17:05:04 +0100 | [diff] [blame] | 124 | } |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 125 | } else { |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 126 | assert(qobject_type(qobj) == QTYPE_QLIST); |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 127 | assert(!name); |
Markus Armbruster | 1f41a64 | 2017-03-03 13:32:47 +0100 | [diff] [blame] | 128 | if (tos->entry) { |
| 129 | ret = qlist_entry_obj(tos->entry); |
| 130 | if (consume) { |
| 131 | tos->entry = qlist_next(tos->entry); |
| 132 | } |
| 133 | } else { |
| 134 | ret = NULL; |
| 135 | } |
Eric Blake | fcf3cb2 | 2016-04-28 15:45:19 -0600 | [diff] [blame] | 136 | if (consume) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 137 | tos->index++; |
Eric Blake | fcf3cb2 | 2016-04-28 15:45:19 -0600 | [diff] [blame] | 138 | } |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 139 | } |
| 140 | |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 141 | return ret; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 142 | } |
| 143 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 144 | static QObject *qobject_input_get_object(QObjectInputVisitor *qiv, |
| 145 | const char *name, |
| 146 | bool consume, Error **errp) |
| 147 | { |
| 148 | QObject *obj = qobject_input_try_get_object(qiv, name, consume); |
| 149 | |
| 150 | if (!obj) { |
| 151 | error_setg(errp, QERR_MISSING_PARAMETER, full_name(qiv, name)); |
| 152 | } |
| 153 | return obj; |
| 154 | } |
| 155 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 156 | static const char *qobject_input_get_keyval(QObjectInputVisitor *qiv, |
| 157 | const char *name, |
| 158 | Error **errp) |
| 159 | { |
| 160 | QObject *qobj; |
| 161 | QString *qstr; |
| 162 | |
| 163 | qobj = qobject_input_get_object(qiv, name, true, errp); |
| 164 | if (!qobj) { |
| 165 | return NULL; |
| 166 | } |
| 167 | |
| 168 | qstr = qobject_to_qstring(qobj); |
| 169 | if (!qstr) { |
Markus Armbruster | 31478f2 | 2017-02-28 22:27:08 +0100 | [diff] [blame] | 170 | switch (qobject_type(qobj)) { |
| 171 | case QTYPE_QDICT: |
| 172 | case QTYPE_QLIST: |
| 173 | error_setg(errp, "Parameters '%s.*' are unexpected", |
| 174 | full_name(qiv, name)); |
| 175 | return NULL; |
| 176 | default: |
| 177 | /* Non-string scalar (should this be an assertion?) */ |
| 178 | error_setg(errp, "Internal error: parameter %s invalid", |
| 179 | full_name(qiv, name)); |
| 180 | return NULL; |
| 181 | } |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | return qstring_get_str(qstr); |
| 185 | } |
| 186 | |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 187 | static void qdict_add_key(const char *key, QObject *obj, void *opaque) |
| 188 | { |
| 189 | GHashTable *h = opaque; |
| 190 | g_hash_table_insert(h, (gpointer) key, NULL); |
| 191 | } |
| 192 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 193 | static const QListEntry *qobject_input_push(QObjectInputVisitor *qiv, |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 194 | const char *name, |
Markus Armbruster | b8874fb | 2017-03-03 13:32:32 +0100 | [diff] [blame] | 195 | QObject *obj, void *qapi) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 196 | { |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 197 | GHashTable *h; |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 198 | StackObject *tos = g_new0(StackObject, 1); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 199 | |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 200 | assert(obj); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 201 | tos->name = name; |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 202 | tos->obj = obj; |
Eric Blake | 1158bb2 | 2016-06-09 10:48:34 -0600 | [diff] [blame] | 203 | tos->qapi = qapi; |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 204 | |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 205 | if (qobject_type(obj) == QTYPE_QDICT) { |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 206 | h = g_hash_table_new(g_str_hash, g_str_equal); |
| 207 | qdict_iter(qobject_to_qdict(obj), qdict_add_key, h); |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 208 | tos->h = h; |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 209 | } else { |
| 210 | assert(qobject_type(obj) == QTYPE_QLIST); |
Eric Blake | fcf3cb2 | 2016-04-28 15:45:19 -0600 | [diff] [blame] | 211 | tos->entry = qlist_first(qobject_to_qlist(obj)); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 212 | tos->index = -1; |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 213 | } |
| 214 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 215 | QSLIST_INSERT_HEAD(&qiv->stack, tos, node); |
Eric Blake | d9f62dd | 2016-04-28 15:45:31 -0600 | [diff] [blame] | 216 | return tos->entry; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 217 | } |
| 218 | |
NODA, Kai | 57a33d8 | 2012-04-21 22:41:27 +0900 | [diff] [blame] | 219 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 220 | static void qobject_input_check_struct(Visitor *v, Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 221 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 222 | QObjectInputVisitor *qiv = to_qiv(v); |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 223 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 224 | GHashTableIter iter; |
| 225 | const char *key; |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 226 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 227 | assert(tos && !tos->entry); |
Eric Blake | f96493b | 2016-02-17 23:48:15 -0700 | [diff] [blame] | 228 | |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 229 | g_hash_table_iter_init(&iter, tos->h); |
| 230 | if (g_hash_table_iter_next(&iter, (void **)&key, NULL)) { |
| 231 | error_setg(errp, "Parameter '%s' is unexpected", |
| 232 | full_name(qiv, key)); |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 233 | } |
| 234 | } |
| 235 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 236 | static void qobject_input_stack_object_free(StackObject *tos) |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 237 | { |
| 238 | if (tos->h) { |
| 239 | g_hash_table_unref(tos->h); |
| 240 | } |
| 241 | |
| 242 | g_free(tos); |
| 243 | } |
| 244 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 245 | static void qobject_input_pop(Visitor *v, void **obj) |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 246 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 247 | QObjectInputVisitor *qiv = to_qiv(v); |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 248 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 249 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 250 | assert(tos && tos->qapi == obj); |
| 251 | QSLIST_REMOVE_HEAD(&qiv->stack, node); |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 252 | qobject_input_stack_object_free(tos); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 253 | } |
| 254 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 255 | static void qobject_input_start_struct(Visitor *v, const char *name, void **obj, |
| 256 | size_t size, Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 257 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 258 | QObjectInputVisitor *qiv = to_qiv(v); |
| 259 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 260 | |
Eric Blake | e58d695 | 2016-04-28 15:45:10 -0600 | [diff] [blame] | 261 | if (obj) { |
| 262 | *obj = NULL; |
| 263 | } |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 264 | if (!qobj) { |
| 265 | return; |
| 266 | } |
| 267 | if (qobject_type(qobj) != QTYPE_QDICT) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 268 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 269 | full_name(qiv, name), "object"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 270 | return; |
| 271 | } |
| 272 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 273 | qobject_input_push(qiv, name, qobj, obj); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 274 | |
| 275 | if (obj) { |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 276 | *obj = g_malloc0(size); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 277 | } |
| 278 | } |
| 279 | |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 280 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 281 | static void qobject_input_start_list(Visitor *v, const char *name, |
| 282 | GenericList **list, size_t size, |
| 283 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 284 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 285 | QObjectInputVisitor *qiv = to_qiv(v); |
| 286 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Eric Blake | d9f62dd | 2016-04-28 15:45:31 -0600 | [diff] [blame] | 287 | const QListEntry *entry; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 288 | |
Markus Armbruster | 58561c2 | 2017-03-03 13:32:33 +0100 | [diff] [blame] | 289 | if (list) { |
| 290 | *list = NULL; |
| 291 | } |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 292 | if (!qobj) { |
| 293 | return; |
| 294 | } |
| 295 | if (qobject_type(qobj) != QTYPE_QLIST) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 296 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 297 | full_name(qiv, name), "array"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 298 | return; |
| 299 | } |
| 300 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 301 | entry = qobject_input_push(qiv, name, qobj, list); |
Markus Armbruster | 58561c2 | 2017-03-03 13:32:33 +0100 | [diff] [blame] | 302 | if (entry && list) { |
| 303 | *list = g_malloc0(size); |
Eric Blake | d9f62dd | 2016-04-28 15:45:31 -0600 | [diff] [blame] | 304 | } |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 305 | } |
| 306 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 307 | static GenericList *qobject_input_next_list(Visitor *v, GenericList *tail, |
| 308 | size_t size) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 309 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 310 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 311 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
Paolo Bonzini | 3a86a0f | 2012-03-22 22:38:40 +0100 | [diff] [blame] | 312 | |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 313 | assert(tos && tos->obj && qobject_type(tos->obj) == QTYPE_QLIST); |
| 314 | |
| 315 | if (!tos->entry) { |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 316 | return NULL; |
| 317 | } |
Eric Blake | d9f62dd | 2016-04-28 15:45:31 -0600 | [diff] [blame] | 318 | tail->next = g_malloc0(size); |
| 319 | return tail->next; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 320 | } |
| 321 | |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 322 | static void qobject_input_check_list(Visitor *v, Error **errp) |
| 323 | { |
| 324 | QObjectInputVisitor *qiv = to_qiv(v); |
| 325 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
| 326 | |
| 327 | assert(tos && tos->obj && qobject_type(tos->obj) == QTYPE_QLIST); |
| 328 | |
| 329 | if (tos->entry) { |
| 330 | error_setg(errp, "Only %u list elements expected in %s", |
| 331 | tos->index + 1, full_name_nth(qiv, NULL, 1)); |
| 332 | } |
| 333 | } |
| 334 | |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 335 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 336 | static void qobject_input_start_alternate(Visitor *v, const char *name, |
| 337 | GenericAlternate **obj, size_t size, |
| 338 | bool promote_int, Error **errp) |
Kevin Wolf | 69dd62d | 2013-07-08 16:14:21 +0200 | [diff] [blame] | 339 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 340 | QObjectInputVisitor *qiv = to_qiv(v); |
| 341 | QObject *qobj = qobject_input_get_object(qiv, name, false, errp); |
Kevin Wolf | 69dd62d | 2013-07-08 16:14:21 +0200 | [diff] [blame] | 342 | |
| 343 | if (!qobj) { |
Eric Blake | dbf1192 | 2016-02-17 23:48:29 -0700 | [diff] [blame] | 344 | *obj = NULL; |
Kevin Wolf | 69dd62d | 2013-07-08 16:14:21 +0200 | [diff] [blame] | 345 | return; |
| 346 | } |
Eric Blake | dbf1192 | 2016-02-17 23:48:29 -0700 | [diff] [blame] | 347 | *obj = g_malloc0(size); |
| 348 | (*obj)->type = qobject_type(qobj); |
| 349 | if (promote_int && (*obj)->type == QTYPE_QINT) { |
| 350 | (*obj)->type = QTYPE_QFLOAT; |
Eric Blake | d00341a | 2015-12-01 22:20:51 -0700 | [diff] [blame] | 351 | } |
Kevin Wolf | 69dd62d | 2013-07-08 16:14:21 +0200 | [diff] [blame] | 352 | } |
| 353 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 354 | static void qobject_input_type_int64(Visitor *v, const char *name, int64_t *obj, |
| 355 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 356 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 357 | QObjectInputVisitor *qiv = to_qiv(v); |
| 358 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 359 | QInt *qint; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 360 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 361 | if (!qobj) { |
| 362 | return; |
| 363 | } |
| 364 | qint = qobject_to_qint(qobj); |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 365 | if (!qint) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 366 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 367 | full_name(qiv, name), "integer"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 368 | return; |
| 369 | } |
| 370 | |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 371 | *obj = qint_get_int(qint); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 372 | } |
| 373 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 374 | |
| 375 | static void qobject_input_type_int64_keyval(Visitor *v, const char *name, |
| 376 | int64_t *obj, Error **errp) |
| 377 | { |
| 378 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 379 | const char *str = qobject_input_get_keyval(qiv, name, errp); |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 380 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 381 | if (!str) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 382 | return; |
| 383 | } |
| 384 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 385 | if (qemu_strtoi64(str, NULL, 0, obj) < 0) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 386 | /* TODO report -ERANGE more nicely */ |
| 387 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, |
| 388 | full_name(qiv, name), "integer"); |
| 389 | } |
| 390 | } |
| 391 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 392 | static void qobject_input_type_uint64(Visitor *v, const char *name, |
| 393 | uint64_t *obj, Error **errp) |
Eric Blake | f755dea | 2016-01-29 06:48:50 -0700 | [diff] [blame] | 394 | { |
| 395 | /* FIXME: qobject_to_qint mishandles values over INT64_MAX */ |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 396 | QObjectInputVisitor *qiv = to_qiv(v); |
| 397 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 398 | QInt *qint; |
Eric Blake | f755dea | 2016-01-29 06:48:50 -0700 | [diff] [blame] | 399 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 400 | if (!qobj) { |
| 401 | return; |
| 402 | } |
| 403 | qint = qobject_to_qint(qobj); |
Eric Blake | f755dea | 2016-01-29 06:48:50 -0700 | [diff] [blame] | 404 | if (!qint) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 405 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 406 | full_name(qiv, name), "integer"); |
Eric Blake | f755dea | 2016-01-29 06:48:50 -0700 | [diff] [blame] | 407 | return; |
| 408 | } |
| 409 | |
| 410 | *obj = qint_get_int(qint); |
| 411 | } |
| 412 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 413 | static void qobject_input_type_uint64_keyval(Visitor *v, const char *name, |
| 414 | uint64_t *obj, Error **errp) |
| 415 | { |
| 416 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 417 | const char *str = qobject_input_get_keyval(qiv, name, errp); |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 418 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 419 | if (!str) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 420 | return; |
| 421 | } |
| 422 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 423 | if (qemu_strtou64(str, NULL, 0, obj) < 0) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 424 | /* TODO report -ERANGE more nicely */ |
| 425 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, |
| 426 | full_name(qiv, name), "integer"); |
| 427 | } |
| 428 | } |
| 429 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 430 | static void qobject_input_type_bool(Visitor *v, const char *name, bool *obj, |
| 431 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 432 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 433 | QObjectInputVisitor *qiv = to_qiv(v); |
| 434 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 435 | QBool *qbool; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 436 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 437 | if (!qobj) { |
| 438 | return; |
| 439 | } |
| 440 | qbool = qobject_to_qbool(qobj); |
Markus Armbruster | 14b6160 | 2015-10-15 16:15:33 +0200 | [diff] [blame] | 441 | if (!qbool) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 442 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 443 | full_name(qiv, name), "boolean"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 444 | return; |
| 445 | } |
| 446 | |
Markus Armbruster | 14b6160 | 2015-10-15 16:15:33 +0200 | [diff] [blame] | 447 | *obj = qbool_get_bool(qbool); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 448 | } |
| 449 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 450 | static void qobject_input_type_bool_keyval(Visitor *v, const char *name, |
| 451 | bool *obj, Error **errp) |
| 452 | { |
| 453 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 454 | const char *str = qobject_input_get_keyval(qiv, name, errp); |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 455 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 456 | if (!str) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 457 | return; |
| 458 | } |
| 459 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 460 | if (!strcmp(str, "on")) { |
| 461 | *obj = true; |
| 462 | } else if (!strcmp(str, "off")) { |
| 463 | *obj = false; |
| 464 | } else { |
| 465 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, |
| 466 | full_name(qiv, name), "'on' or 'off'"); |
| 467 | } |
| 468 | } |
| 469 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 470 | static void qobject_input_type_str(Visitor *v, const char *name, char **obj, |
| 471 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 472 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 473 | QObjectInputVisitor *qiv = to_qiv(v); |
| 474 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 475 | QString *qstr; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 476 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 477 | *obj = NULL; |
| 478 | if (!qobj) { |
| 479 | return; |
| 480 | } |
| 481 | qstr = qobject_to_qstring(qobj); |
Markus Armbruster | 7f02784 | 2015-10-15 16:15:37 +0200 | [diff] [blame] | 482 | if (!qstr) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 483 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 484 | full_name(qiv, name), "string"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 485 | return; |
| 486 | } |
| 487 | |
Markus Armbruster | 7f02784 | 2015-10-15 16:15:37 +0200 | [diff] [blame] | 488 | *obj = g_strdup(qstring_get_str(qstr)); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 489 | } |
| 490 | |
Markus Armbruster | 31478f2 | 2017-02-28 22:27:08 +0100 | [diff] [blame] | 491 | static void qobject_input_type_str_keyval(Visitor *v, const char *name, |
| 492 | char **obj, Error **errp) |
| 493 | { |
| 494 | QObjectInputVisitor *qiv = to_qiv(v); |
| 495 | const char *str = qobject_input_get_keyval(qiv, name, errp); |
| 496 | |
| 497 | *obj = g_strdup(str); |
| 498 | } |
| 499 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 500 | static void qobject_input_type_number(Visitor *v, const char *name, double *obj, |
| 501 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 502 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 503 | QObjectInputVisitor *qiv = to_qiv(v); |
| 504 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 505 | QInt *qint; |
| 506 | QFloat *qfloat; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 507 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 508 | if (!qobj) { |
| 509 | return; |
| 510 | } |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 511 | qint = qobject_to_qint(qobj); |
| 512 | if (qint) { |
| 513 | *obj = qint_get_int(qobject_to_qint(qobj)); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 514 | return; |
| 515 | } |
| 516 | |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 517 | qfloat = qobject_to_qfloat(qobj); |
| 518 | if (qfloat) { |
Michael Roth | 1ee5187 | 2012-05-11 12:43:24 -0500 | [diff] [blame] | 519 | *obj = qfloat_get_double(qobject_to_qfloat(qobj)); |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 520 | return; |
Michael Roth | 1ee5187 | 2012-05-11 12:43:24 -0500 | [diff] [blame] | 521 | } |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 522 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 523 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 524 | full_name(qiv, name), "number"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 525 | } |
| 526 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 527 | static void qobject_input_type_number_keyval(Visitor *v, const char *name, |
| 528 | double *obj, Error **errp) |
| 529 | { |
| 530 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 531 | const char *str = qobject_input_get_keyval(qiv, name, errp); |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 532 | char *endp; |
| 533 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 534 | if (!str) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 535 | return; |
| 536 | } |
| 537 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 538 | errno = 0; |
| 539 | *obj = strtod(str, &endp); |
| 540 | if (errno || endp == str || *endp) { |
| 541 | /* TODO report -ERANGE more nicely */ |
| 542 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 543 | full_name(qiv, name), "number"); |
| 544 | } |
| 545 | } |
| 546 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 547 | static void qobject_input_type_any(Visitor *v, const char *name, QObject **obj, |
| 548 | Error **errp) |
Markus Armbruster | 28770e0 | 2015-09-16 13:06:24 +0200 | [diff] [blame] | 549 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 550 | QObjectInputVisitor *qiv = to_qiv(v); |
| 551 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Markus Armbruster | 28770e0 | 2015-09-16 13:06:24 +0200 | [diff] [blame] | 552 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 553 | *obj = NULL; |
Marc-André Lureau | c489780 | 2016-09-23 00:39:26 +0400 | [diff] [blame] | 554 | if (!qobj) { |
Marc-André Lureau | c489780 | 2016-09-23 00:39:26 +0400 | [diff] [blame] | 555 | return; |
| 556 | } |
| 557 | |
Markus Armbruster | 28770e0 | 2015-09-16 13:06:24 +0200 | [diff] [blame] | 558 | qobject_incref(qobj); |
| 559 | *obj = qobj; |
| 560 | } |
| 561 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 562 | 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] | 563 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 564 | QObjectInputVisitor *qiv = to_qiv(v); |
| 565 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Eric Blake | 3df016f | 2016-04-28 15:45:23 -0600 | [diff] [blame] | 566 | |
Marc-André Lureau | c489780 | 2016-09-23 00:39:26 +0400 | [diff] [blame] | 567 | if (!qobj) { |
Marc-André Lureau | c489780 | 2016-09-23 00:39:26 +0400 | [diff] [blame] | 568 | return; |
| 569 | } |
| 570 | |
Eric Blake | 3df016f | 2016-04-28 15:45:23 -0600 | [diff] [blame] | 571 | if (qobject_type(qobj) != QTYPE_QNULL) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 572 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 573 | full_name(qiv, name), "null"); |
Eric Blake | 3df016f | 2016-04-28 15:45:23 -0600 | [diff] [blame] | 574 | } |
Eric Blake | 3bc97fd | 2016-04-28 15:45:22 -0600 | [diff] [blame] | 575 | } |
| 576 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 577 | static void qobject_input_type_size_keyval(Visitor *v, const char *name, |
| 578 | uint64_t *obj, Error **errp) |
| 579 | { |
| 580 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 581 | const char *str = qobject_input_get_keyval(qiv, name, errp); |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 582 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 583 | if (!str) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 584 | return; |
| 585 | } |
| 586 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 587 | if (qemu_strtosz(str, NULL, obj) < 0) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 588 | /* TODO report -ERANGE more nicely */ |
| 589 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, |
| 590 | full_name(qiv, name), "size"); |
| 591 | } |
| 592 | } |
| 593 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 594 | static void qobject_input_optional(Visitor *v, const char *name, bool *present) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 595 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 596 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 597 | QObject *qobj = qobject_input_try_get_object(qiv, name, false); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 598 | |
| 599 | if (!qobj) { |
| 600 | *present = false; |
| 601 | return; |
| 602 | } |
| 603 | |
| 604 | *present = true; |
| 605 | } |
| 606 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 607 | static void qobject_input_free(Visitor *v) |
Eric Blake | 2c0ef9f | 2016-06-09 10:48:35 -0600 | [diff] [blame] | 608 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 609 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 610 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 611 | while (!QSLIST_EMPTY(&qiv->stack)) { |
| 612 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
| 613 | |
| 614 | QSLIST_REMOVE_HEAD(&qiv->stack, node); |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 615 | qobject_input_stack_object_free(tos); |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 616 | } |
Eric Blake | 2c0ef9f | 2016-06-09 10:48:35 -0600 | [diff] [blame] | 617 | |
Eric Blake | b70ce101 | 2016-06-09 10:48:38 -0600 | [diff] [blame] | 618 | qobject_decref(qiv->root); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 619 | if (qiv->errname) { |
| 620 | g_string_free(qiv->errname, TRUE); |
| 621 | } |
Eric Blake | b70ce101 | 2016-06-09 10:48:38 -0600 | [diff] [blame] | 622 | g_free(qiv); |
Eric Blake | 2c0ef9f | 2016-06-09 10:48:35 -0600 | [diff] [blame] | 623 | } |
| 624 | |
Markus Armbruster | abe81bc | 2017-02-28 22:26:52 +0100 | [diff] [blame] | 625 | static QObjectInputVisitor *qobject_input_visitor_base_new(QObject *obj) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 626 | { |
Markus Armbruster | abe81bc | 2017-02-28 22:26:52 +0100 | [diff] [blame] | 627 | QObjectInputVisitor *v = g_malloc0(sizeof(*v)); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 628 | |
Marc-André Lureau | 5d0cbbc | 2016-09-30 13:59:46 +0400 | [diff] [blame] | 629 | assert(obj); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 630 | |
Eric Blake | 983f52d | 2016-04-28 15:45:09 -0600 | [diff] [blame] | 631 | v->visitor.type = VISITOR_INPUT; |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 632 | v->visitor.start_struct = qobject_input_start_struct; |
| 633 | v->visitor.check_struct = qobject_input_check_struct; |
| 634 | v->visitor.end_struct = qobject_input_pop; |
| 635 | v->visitor.start_list = qobject_input_start_list; |
| 636 | v->visitor.next_list = qobject_input_next_list; |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 637 | v->visitor.check_list = qobject_input_check_list; |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 638 | v->visitor.end_list = qobject_input_pop; |
| 639 | v->visitor.start_alternate = qobject_input_start_alternate; |
Markus Armbruster | abe81bc | 2017-02-28 22:26:52 +0100 | [diff] [blame] | 640 | v->visitor.optional = qobject_input_optional; |
| 641 | v->visitor.free = qobject_input_free; |
| 642 | |
| 643 | v->root = obj; |
| 644 | qobject_incref(obj); |
| 645 | |
| 646 | return v; |
| 647 | } |
| 648 | |
| 649 | Visitor *qobject_input_visitor_new(QObject *obj) |
| 650 | { |
| 651 | QObjectInputVisitor *v = qobject_input_visitor_base_new(obj); |
| 652 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 653 | v->visitor.type_int64 = qobject_input_type_int64; |
| 654 | v->visitor.type_uint64 = qobject_input_type_uint64; |
| 655 | v->visitor.type_bool = qobject_input_type_bool; |
| 656 | v->visitor.type_str = qobject_input_type_str; |
| 657 | v->visitor.type_number = qobject_input_type_number; |
| 658 | v->visitor.type_any = qobject_input_type_any; |
| 659 | v->visitor.type_null = qobject_input_type_null; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 660 | |
Eric Blake | b70ce101 | 2016-06-09 10:48:38 -0600 | [diff] [blame] | 661 | return &v->visitor; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 662 | } |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 663 | |
| 664 | Visitor *qobject_input_visitor_new_keyval(QObject *obj) |
| 665 | { |
Markus Armbruster | abe81bc | 2017-02-28 22:26:52 +0100 | [diff] [blame] | 666 | QObjectInputVisitor *v = qobject_input_visitor_base_new(obj); |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 667 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 668 | v->visitor.type_int64 = qobject_input_type_int64_keyval; |
| 669 | v->visitor.type_uint64 = qobject_input_type_uint64_keyval; |
| 670 | v->visitor.type_bool = qobject_input_type_bool_keyval; |
Markus Armbruster | 31478f2 | 2017-02-28 22:27:08 +0100 | [diff] [blame] | 671 | v->visitor.type_str = qobject_input_type_str_keyval; |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 672 | v->visitor.type_number = qobject_input_type_number_keyval; |
| 673 | v->visitor.type_any = qobject_input_type_any; |
| 674 | v->visitor.type_null = qobject_input_type_null; |
| 675 | v->visitor.type_size = qobject_input_type_size_keyval; |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 676 | |
| 677 | return &v->visitor; |
| 678 | } |
Markus Armbruster | 9d1eab4 | 2017-02-28 22:27:06 +0100 | [diff] [blame] | 679 | |
| 680 | Visitor *qobject_input_visitor_new_str(const char *str, |
| 681 | const char *implied_key, |
| 682 | Error **errp) |
| 683 | { |
| 684 | bool is_json = str[0] == '{'; |
| 685 | QObject *obj; |
| 686 | QDict *args; |
| 687 | Visitor *v; |
| 688 | |
| 689 | if (is_json) { |
| 690 | obj = qobject_from_json(str, errp); |
| 691 | if (!obj) { |
| 692 | /* Work around qobject_from_json() lossage TODO fix that */ |
| 693 | if (errp && !*errp) { |
| 694 | error_setg(errp, "JSON parse error"); |
| 695 | return NULL; |
| 696 | } |
| 697 | return NULL; |
| 698 | } |
| 699 | args = qobject_to_qdict(obj); |
| 700 | assert(args); |
| 701 | v = qobject_input_visitor_new(QOBJECT(args)); |
| 702 | } else { |
| 703 | args = keyval_parse(str, implied_key, errp); |
| 704 | if (!args) { |
| 705 | return NULL; |
| 706 | } |
| 707 | v = qobject_input_visitor_new_keyval(QOBJECT(args)); |
| 708 | } |
| 709 | QDECREF(args); |
| 710 | |
| 711 | return v; |
| 712 | } |