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 | 5891c38 | 2017-05-22 18:42:12 +0200 | [diff] [blame] | 16 | #include <math.h> |
Markus Armbruster | da34e65 | 2016-03-14 09:01:28 +0100 | [diff] [blame] | 17 | #include "qapi/error.h" |
Daniel P. Berrange | b3db211 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 18 | #include "qapi/qobject-input-visitor.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 19 | #include "qapi/visitor-impl.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 20 | #include "qemu/queue.h" |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 21 | #include "qemu-common.h" |
Markus Armbruster | 9d1eab4 | 2017-02-28 22:27:06 +0100 | [diff] [blame] | 22 | #include "qapi/qmp/qjson.h" |
Markus Armbruster | 6b67395 | 2018-02-01 12:18:35 +0100 | [diff] [blame] | 23 | #include "qapi/qmp/qbool.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 24 | #include "qapi/qmp/qerror.h" |
Markus Armbruster | 47e6b29 | 2018-02-01 12:18:38 +0100 | [diff] [blame^] | 25 | #include "qapi/qmp/qlist.h" |
Markus Armbruster | 15280c3 | 2018-02-01 12:18:36 +0100 | [diff] [blame] | 26 | #include "qapi/qmp/qnull.h" |
| 27 | #include "qapi/qmp/qnum.h" |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 28 | #include "qemu/cutils.h" |
Markus Armbruster | 9d1eab4 | 2017-02-28 22:27:06 +0100 | [diff] [blame] | 29 | #include "qemu/option.h" |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 30 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 31 | typedef struct StackObject { |
| 32 | const char *name; /* Name of @obj in its parent, if any */ |
| 33 | QObject *obj; /* QDict or QList being visited */ |
Eric Blake | 1158bb2 | 2016-06-09 10:48:34 -0600 | [diff] [blame] | 34 | void *qapi; /* sanity check that caller uses same pointer */ |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 35 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 36 | GHashTable *h; /* If @obj is QDict: unvisited keys */ |
| 37 | const QListEntry *entry; /* If @obj is QList: unvisited tail */ |
| 38 | unsigned index; /* If @obj is QList: list index of @entry */ |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 39 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 40 | QSLIST_ENTRY(StackObject) node; /* parent */ |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 41 | } StackObject; |
| 42 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 43 | struct QObjectInputVisitor { |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 44 | Visitor visitor; |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 45 | |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 46 | /* Root of visit at visitor creation. */ |
| 47 | QObject *root; |
Markus Armbruster | 0b2c1be | 2017-02-28 22:27:10 +0100 | [diff] [blame] | 48 | bool keyval; /* Assume @root made with keyval_parse() */ |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 49 | |
| 50 | /* Stack of objects being visited (all entries will be either |
| 51 | * QDict or QList). */ |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 52 | QSLIST_HEAD(, StackObject) stack; |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 53 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 54 | GString *errname; /* Accumulator for full_name() */ |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 55 | }; |
| 56 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 57 | static QObjectInputVisitor *to_qiv(Visitor *v) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 58 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 59 | return container_of(v, QObjectInputVisitor, visitor); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 60 | } |
| 61 | |
Markus Armbruster | 6c02258 | 2017-04-27 10:41:24 +0200 | [diff] [blame] | 62 | /* |
| 63 | * Find the full name of something @qiv is currently visiting. |
| 64 | * @qiv is visiting something named @name in the stack of containers |
| 65 | * @qiv->stack. |
| 66 | * If @n is zero, return its full name. |
| 67 | * If @n is positive, return the full name of the @n-th container |
| 68 | * counting from the top. The stack of containers must have at least |
| 69 | * @n elements. |
| 70 | * The returned string is valid until the next full_name_nth(@v) or |
| 71 | * destruction of @v. |
| 72 | */ |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 73 | static const char *full_name_nth(QObjectInputVisitor *qiv, const char *name, |
| 74 | int n) |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 75 | { |
| 76 | StackObject *so; |
| 77 | char buf[32]; |
| 78 | |
| 79 | if (qiv->errname) { |
| 80 | g_string_truncate(qiv->errname, 0); |
| 81 | } else { |
| 82 | qiv->errname = g_string_new(""); |
| 83 | } |
| 84 | |
| 85 | QSLIST_FOREACH(so , &qiv->stack, node) { |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 86 | if (n) { |
| 87 | n--; |
| 88 | } else if (qobject_type(so->obj) == QTYPE_QDICT) { |
| 89 | g_string_prepend(qiv->errname, name ?: "<anonymous>"); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 90 | g_string_prepend_c(qiv->errname, '.'); |
| 91 | } else { |
Markus Armbruster | 0b2c1be | 2017-02-28 22:27:10 +0100 | [diff] [blame] | 92 | snprintf(buf, sizeof(buf), |
| 93 | qiv->keyval ? ".%u" : "[%u]", |
| 94 | so->index); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 95 | g_string_prepend(qiv->errname, buf); |
| 96 | } |
| 97 | name = so->name; |
| 98 | } |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 99 | assert(!n); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 100 | |
| 101 | if (name) { |
| 102 | g_string_prepend(qiv->errname, name); |
| 103 | } else if (qiv->errname->str[0] == '.') { |
| 104 | g_string_erase(qiv->errname, 0, 1); |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 105 | } else if (!qiv->errname->str[0]) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 106 | return "<anonymous>"; |
| 107 | } |
| 108 | |
| 109 | return qiv->errname->str; |
| 110 | } |
| 111 | |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 112 | static const char *full_name(QObjectInputVisitor *qiv, const char *name) |
| 113 | { |
| 114 | return full_name_nth(qiv, name, 0); |
| 115 | } |
| 116 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 117 | static QObject *qobject_input_try_get_object(QObjectInputVisitor *qiv, |
| 118 | const char *name, |
| 119 | bool consume) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 120 | { |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 121 | StackObject *tos; |
| 122 | QObject *qobj; |
Eric Blake | e5826a2 | 2016-04-28 15:45:15 -0600 | [diff] [blame] | 123 | QObject *ret; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 124 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 125 | if (QSLIST_EMPTY(&qiv->stack)) { |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 126 | /* Starting at root, name is ignored. */ |
Marc-André Lureau | 5d0cbbc | 2016-09-30 13:59:46 +0400 | [diff] [blame] | 127 | assert(qiv->root); |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 128 | return qiv->root; |
| 129 | } |
| 130 | |
| 131 | /* We are in a container; find the next element. */ |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 132 | tos = QSLIST_FIRST(&qiv->stack); |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 133 | qobj = tos->obj; |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 134 | assert(qobj); |
| 135 | |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 136 | if (qobject_type(qobj) == QTYPE_QDICT) { |
| 137 | assert(name); |
Eric Blake | e5826a2 | 2016-04-28 15:45:15 -0600 | [diff] [blame] | 138 | ret = qdict_get(qobject_to_qdict(qobj), name); |
| 139 | if (tos->h && consume && ret) { |
| 140 | bool removed = g_hash_table_remove(tos->h, name); |
| 141 | assert(removed); |
Paolo Bonzini | 47c6d3e | 2011-12-18 17:05:04 +0100 | [diff] [blame] | 142 | } |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 143 | } else { |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 144 | assert(qobject_type(qobj) == QTYPE_QLIST); |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 145 | assert(!name); |
Markus Armbruster | 1f41a64 | 2017-03-03 13:32:47 +0100 | [diff] [blame] | 146 | if (tos->entry) { |
| 147 | ret = qlist_entry_obj(tos->entry); |
| 148 | if (consume) { |
| 149 | tos->entry = qlist_next(tos->entry); |
| 150 | } |
| 151 | } else { |
| 152 | ret = NULL; |
| 153 | } |
Eric Blake | fcf3cb2 | 2016-04-28 15:45:19 -0600 | [diff] [blame] | 154 | if (consume) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 155 | tos->index++; |
Eric Blake | fcf3cb2 | 2016-04-28 15:45:19 -0600 | [diff] [blame] | 156 | } |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 157 | } |
| 158 | |
Eric Blake | ce140b1 | 2016-04-28 15:45:18 -0600 | [diff] [blame] | 159 | return ret; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 160 | } |
| 161 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 162 | static QObject *qobject_input_get_object(QObjectInputVisitor *qiv, |
| 163 | const char *name, |
| 164 | bool consume, Error **errp) |
| 165 | { |
| 166 | QObject *obj = qobject_input_try_get_object(qiv, name, consume); |
| 167 | |
| 168 | if (!obj) { |
| 169 | error_setg(errp, QERR_MISSING_PARAMETER, full_name(qiv, name)); |
| 170 | } |
| 171 | return obj; |
| 172 | } |
| 173 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 174 | static const char *qobject_input_get_keyval(QObjectInputVisitor *qiv, |
| 175 | const char *name, |
| 176 | Error **errp) |
| 177 | { |
| 178 | QObject *qobj; |
| 179 | QString *qstr; |
| 180 | |
| 181 | qobj = qobject_input_get_object(qiv, name, true, errp); |
| 182 | if (!qobj) { |
| 183 | return NULL; |
| 184 | } |
| 185 | |
| 186 | qstr = qobject_to_qstring(qobj); |
| 187 | if (!qstr) { |
Markus Armbruster | 31478f2 | 2017-02-28 22:27:08 +0100 | [diff] [blame] | 188 | switch (qobject_type(qobj)) { |
| 189 | case QTYPE_QDICT: |
| 190 | case QTYPE_QLIST: |
| 191 | error_setg(errp, "Parameters '%s.*' are unexpected", |
| 192 | full_name(qiv, name)); |
| 193 | return NULL; |
| 194 | default: |
| 195 | /* Non-string scalar (should this be an assertion?) */ |
| 196 | error_setg(errp, "Internal error: parameter %s invalid", |
| 197 | full_name(qiv, name)); |
| 198 | return NULL; |
| 199 | } |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 200 | } |
| 201 | |
| 202 | return qstring_get_str(qstr); |
| 203 | } |
| 204 | |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 205 | static void qdict_add_key(const char *key, QObject *obj, void *opaque) |
| 206 | { |
| 207 | GHashTable *h = opaque; |
| 208 | g_hash_table_insert(h, (gpointer) key, NULL); |
| 209 | } |
| 210 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 211 | static const QListEntry *qobject_input_push(QObjectInputVisitor *qiv, |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 212 | const char *name, |
Markus Armbruster | b8874fb | 2017-03-03 13:32:32 +0100 | [diff] [blame] | 213 | QObject *obj, void *qapi) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 214 | { |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 215 | GHashTable *h; |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 216 | StackObject *tos = g_new0(StackObject, 1); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 217 | |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 218 | assert(obj); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 219 | tos->name = name; |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 220 | tos->obj = obj; |
Eric Blake | 1158bb2 | 2016-06-09 10:48:34 -0600 | [diff] [blame] | 221 | tos->qapi = qapi; |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 222 | |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 223 | if (qobject_type(obj) == QTYPE_QDICT) { |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 224 | h = g_hash_table_new(g_str_hash, g_str_equal); |
| 225 | qdict_iter(qobject_to_qdict(obj), qdict_add_key, h); |
Eric Blake | b471d01 | 2016-04-28 15:45:12 -0600 | [diff] [blame] | 226 | tos->h = h; |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 227 | } else { |
| 228 | assert(qobject_type(obj) == QTYPE_QLIST); |
Eric Blake | fcf3cb2 | 2016-04-28 15:45:19 -0600 | [diff] [blame] | 229 | tos->entry = qlist_first(qobject_to_qlist(obj)); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 230 | tos->index = -1; |
Paolo Bonzini | e38ac96 | 2012-03-22 12:51:10 +0100 | [diff] [blame] | 231 | } |
| 232 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 233 | QSLIST_INSERT_HEAD(&qiv->stack, tos, node); |
Eric Blake | d9f62dd | 2016-04-28 15:45:31 -0600 | [diff] [blame] | 234 | return tos->entry; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 235 | } |
| 236 | |
NODA, Kai | 57a33d8 | 2012-04-21 22:41:27 +0900 | [diff] [blame] | 237 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 238 | static void qobject_input_check_struct(Visitor *v, Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 239 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 240 | QObjectInputVisitor *qiv = to_qiv(v); |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 241 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 242 | GHashTableIter iter; |
| 243 | const char *key; |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 244 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 245 | assert(tos && !tos->entry); |
Eric Blake | f96493b | 2016-02-17 23:48:15 -0700 | [diff] [blame] | 246 | |
Markus Armbruster | 048abb7 | 2017-03-03 13:32:39 +0100 | [diff] [blame] | 247 | g_hash_table_iter_init(&iter, tos->h); |
| 248 | if (g_hash_table_iter_next(&iter, (void **)&key, NULL)) { |
| 249 | error_setg(errp, "Parameter '%s' is unexpected", |
| 250 | full_name(qiv, key)); |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 251 | } |
| 252 | } |
| 253 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 254 | static void qobject_input_stack_object_free(StackObject *tos) |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 255 | { |
| 256 | if (tos->h) { |
| 257 | g_hash_table_unref(tos->h); |
| 258 | } |
| 259 | |
| 260 | g_free(tos); |
| 261 | } |
| 262 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 263 | static void qobject_input_pop(Visitor *v, void **obj) |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 264 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 265 | QObjectInputVisitor *qiv = to_qiv(v); |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 266 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 267 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 268 | assert(tos && tos->qapi == obj); |
| 269 | QSLIST_REMOVE_HEAD(&qiv->stack, node); |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 270 | qobject_input_stack_object_free(tos); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 271 | } |
| 272 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 273 | static void qobject_input_start_struct(Visitor *v, const char *name, void **obj, |
| 274 | size_t size, Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 275 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 276 | QObjectInputVisitor *qiv = to_qiv(v); |
| 277 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 278 | |
Eric Blake | e58d695 | 2016-04-28 15:45:10 -0600 | [diff] [blame] | 279 | if (obj) { |
| 280 | *obj = NULL; |
| 281 | } |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 282 | if (!qobj) { |
| 283 | return; |
| 284 | } |
| 285 | if (qobject_type(qobj) != QTYPE_QDICT) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 286 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 287 | full_name(qiv, name), "object"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 288 | return; |
| 289 | } |
| 290 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 291 | qobject_input_push(qiv, name, qobj, obj); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 292 | |
| 293 | if (obj) { |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 294 | *obj = g_malloc0(size); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 295 | } |
| 296 | } |
| 297 | |
Markus Armbruster | 8b2e41d | 2017-04-27 10:41:26 +0200 | [diff] [blame] | 298 | static void qobject_input_end_struct(Visitor *v, void **obj) |
| 299 | { |
| 300 | QObjectInputVisitor *qiv = to_qiv(v); |
| 301 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
| 302 | |
| 303 | assert(qobject_type(tos->obj) == QTYPE_QDICT && tos->h); |
| 304 | qobject_input_pop(v, obj); |
| 305 | } |
| 306 | |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 307 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 308 | static void qobject_input_start_list(Visitor *v, const char *name, |
| 309 | GenericList **list, size_t size, |
| 310 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 311 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 312 | QObjectInputVisitor *qiv = to_qiv(v); |
| 313 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Eric Blake | d9f62dd | 2016-04-28 15:45:31 -0600 | [diff] [blame] | 314 | const QListEntry *entry; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 315 | |
Markus Armbruster | 58561c2 | 2017-03-03 13:32:33 +0100 | [diff] [blame] | 316 | if (list) { |
| 317 | *list = NULL; |
| 318 | } |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 319 | if (!qobj) { |
| 320 | return; |
| 321 | } |
| 322 | if (qobject_type(qobj) != QTYPE_QLIST) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 323 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 324 | full_name(qiv, name), "array"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 325 | return; |
| 326 | } |
| 327 | |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 328 | entry = qobject_input_push(qiv, name, qobj, list); |
Markus Armbruster | 58561c2 | 2017-03-03 13:32:33 +0100 | [diff] [blame] | 329 | if (entry && list) { |
| 330 | *list = g_malloc0(size); |
Eric Blake | d9f62dd | 2016-04-28 15:45:31 -0600 | [diff] [blame] | 331 | } |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 332 | } |
| 333 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 334 | static GenericList *qobject_input_next_list(Visitor *v, GenericList *tail, |
| 335 | size_t size) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 336 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 337 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 338 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
Paolo Bonzini | 3a86a0f | 2012-03-22 22:38:40 +0100 | [diff] [blame] | 339 | |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 340 | assert(tos && tos->obj && qobject_type(tos->obj) == QTYPE_QLIST); |
| 341 | |
| 342 | if (!tos->entry) { |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 343 | return NULL; |
| 344 | } |
Eric Blake | d9f62dd | 2016-04-28 15:45:31 -0600 | [diff] [blame] | 345 | tail->next = g_malloc0(size); |
| 346 | return tail->next; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 347 | } |
| 348 | |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 349 | static void qobject_input_check_list(Visitor *v, Error **errp) |
| 350 | { |
| 351 | QObjectInputVisitor *qiv = to_qiv(v); |
| 352 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
| 353 | |
| 354 | assert(tos && tos->obj && qobject_type(tos->obj) == QTYPE_QLIST); |
| 355 | |
| 356 | if (tos->entry) { |
| 357 | error_setg(errp, "Only %u list elements expected in %s", |
| 358 | tos->index + 1, full_name_nth(qiv, NULL, 1)); |
| 359 | } |
| 360 | } |
| 361 | |
Markus Armbruster | 8b2e41d | 2017-04-27 10:41:26 +0200 | [diff] [blame] | 362 | static void qobject_input_end_list(Visitor *v, void **obj) |
| 363 | { |
| 364 | QObjectInputVisitor *qiv = to_qiv(v); |
| 365 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
| 366 | |
| 367 | assert(qobject_type(tos->obj) == QTYPE_QLIST && !tos->h); |
| 368 | qobject_input_pop(v, obj); |
| 369 | } |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 370 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 371 | static void qobject_input_start_alternate(Visitor *v, const char *name, |
| 372 | GenericAlternate **obj, size_t size, |
Marc-André Lureau | 60390d2 | 2017-06-07 20:35:59 +0400 | [diff] [blame] | 373 | Error **errp) |
Kevin Wolf | 69dd62d | 2013-07-08 16:14:21 +0200 | [diff] [blame] | 374 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 375 | QObjectInputVisitor *qiv = to_qiv(v); |
| 376 | QObject *qobj = qobject_input_get_object(qiv, name, false, errp); |
Kevin Wolf | 69dd62d | 2013-07-08 16:14:21 +0200 | [diff] [blame] | 377 | |
| 378 | if (!qobj) { |
Eric Blake | dbf1192 | 2016-02-17 23:48:29 -0700 | [diff] [blame] | 379 | *obj = NULL; |
Kevin Wolf | 69dd62d | 2013-07-08 16:14:21 +0200 | [diff] [blame] | 380 | return; |
| 381 | } |
Eric Blake | dbf1192 | 2016-02-17 23:48:29 -0700 | [diff] [blame] | 382 | *obj = g_malloc0(size); |
| 383 | (*obj)->type = qobject_type(qobj); |
Kevin Wolf | 69dd62d | 2013-07-08 16:14:21 +0200 | [diff] [blame] | 384 | } |
| 385 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 386 | static void qobject_input_type_int64(Visitor *v, const char *name, int64_t *obj, |
| 387 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 388 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 389 | QObjectInputVisitor *qiv = to_qiv(v); |
| 390 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 391 | QNum *qnum; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 392 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 393 | if (!qobj) { |
| 394 | return; |
| 395 | } |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 396 | qnum = qobject_to_qnum(qobj); |
| 397 | if (!qnum || !qnum_get_try_int(qnum, obj)) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 398 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 399 | full_name(qiv, name), "integer"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 400 | } |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 401 | } |
| 402 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 403 | static void qobject_input_type_int64_keyval(Visitor *v, const char *name, |
| 404 | int64_t *obj, Error **errp) |
| 405 | { |
| 406 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 407 | const char *str = qobject_input_get_keyval(qiv, name, errp); |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 408 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 409 | if (!str) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 410 | return; |
| 411 | } |
| 412 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 413 | if (qemu_strtoi64(str, NULL, 0, obj) < 0) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 414 | /* TODO report -ERANGE more nicely */ |
| 415 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, |
| 416 | full_name(qiv, name), "integer"); |
| 417 | } |
| 418 | } |
| 419 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 420 | static void qobject_input_type_uint64(Visitor *v, const char *name, |
| 421 | uint64_t *obj, Error **errp) |
Eric Blake | f755dea | 2016-01-29 06:48:50 -0700 | [diff] [blame] | 422 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 423 | QObjectInputVisitor *qiv = to_qiv(v); |
| 424 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 425 | QNum *qnum; |
| 426 | int64_t val; |
Eric Blake | f755dea | 2016-01-29 06:48:50 -0700 | [diff] [blame] | 427 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 428 | if (!qobj) { |
| 429 | return; |
| 430 | } |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 431 | qnum = qobject_to_qnum(qobj); |
Marc-André Lureau | 5923f85 | 2017-06-07 20:36:03 +0400 | [diff] [blame] | 432 | if (!qnum) { |
| 433 | goto err; |
Eric Blake | f755dea | 2016-01-29 06:48:50 -0700 | [diff] [blame] | 434 | } |
Marc-André Lureau | 5923f85 | 2017-06-07 20:36:03 +0400 | [diff] [blame] | 435 | |
| 436 | if (qnum_get_try_uint(qnum, obj)) { |
| 437 | return; |
| 438 | } |
| 439 | |
| 440 | /* Need to accept negative values for backward compatibility */ |
| 441 | if (qnum_get_try_int(qnum, &val)) { |
| 442 | *obj = val; |
| 443 | return; |
| 444 | } |
| 445 | |
| 446 | err: |
| 447 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, |
| 448 | full_name(qiv, name), "uint64"); |
Eric Blake | f755dea | 2016-01-29 06:48:50 -0700 | [diff] [blame] | 449 | } |
| 450 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 451 | static void qobject_input_type_uint64_keyval(Visitor *v, const char *name, |
| 452 | uint64_t *obj, Error **errp) |
| 453 | { |
| 454 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 455 | const char *str = qobject_input_get_keyval(qiv, name, errp); |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 456 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 457 | if (!str) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 458 | return; |
| 459 | } |
| 460 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 461 | if (qemu_strtou64(str, NULL, 0, obj) < 0) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 462 | /* TODO report -ERANGE more nicely */ |
| 463 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, |
| 464 | full_name(qiv, name), "integer"); |
| 465 | } |
| 466 | } |
| 467 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 468 | static void qobject_input_type_bool(Visitor *v, const char *name, bool *obj, |
| 469 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 470 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 471 | QObjectInputVisitor *qiv = to_qiv(v); |
| 472 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 473 | QBool *qbool; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 474 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 475 | if (!qobj) { |
| 476 | return; |
| 477 | } |
| 478 | qbool = qobject_to_qbool(qobj); |
Markus Armbruster | 14b6160 | 2015-10-15 16:15:33 +0200 | [diff] [blame] | 479 | if (!qbool) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 480 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 481 | full_name(qiv, name), "boolean"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 482 | return; |
| 483 | } |
| 484 | |
Markus Armbruster | 14b6160 | 2015-10-15 16:15:33 +0200 | [diff] [blame] | 485 | *obj = qbool_get_bool(qbool); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 486 | } |
| 487 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 488 | static void qobject_input_type_bool_keyval(Visitor *v, const char *name, |
| 489 | bool *obj, Error **errp) |
| 490 | { |
| 491 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 492 | const char *str = qobject_input_get_keyval(qiv, name, errp); |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 493 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 494 | if (!str) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 495 | return; |
| 496 | } |
| 497 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 498 | if (!strcmp(str, "on")) { |
| 499 | *obj = true; |
| 500 | } else if (!strcmp(str, "off")) { |
| 501 | *obj = false; |
| 502 | } else { |
| 503 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, |
| 504 | full_name(qiv, name), "'on' or 'off'"); |
| 505 | } |
| 506 | } |
| 507 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 508 | static void qobject_input_type_str(Visitor *v, const char *name, char **obj, |
| 509 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 510 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 511 | QObjectInputVisitor *qiv = to_qiv(v); |
| 512 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 513 | QString *qstr; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 514 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 515 | *obj = NULL; |
| 516 | if (!qobj) { |
| 517 | return; |
| 518 | } |
| 519 | qstr = qobject_to_qstring(qobj); |
Markus Armbruster | 7f02784 | 2015-10-15 16:15:37 +0200 | [diff] [blame] | 520 | if (!qstr) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 521 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 522 | full_name(qiv, name), "string"); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 523 | return; |
| 524 | } |
| 525 | |
Markus Armbruster | 7f02784 | 2015-10-15 16:15:37 +0200 | [diff] [blame] | 526 | *obj = g_strdup(qstring_get_str(qstr)); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 527 | } |
| 528 | |
Markus Armbruster | 31478f2 | 2017-02-28 22:27:08 +0100 | [diff] [blame] | 529 | static void qobject_input_type_str_keyval(Visitor *v, const char *name, |
| 530 | char **obj, Error **errp) |
| 531 | { |
| 532 | QObjectInputVisitor *qiv = to_qiv(v); |
| 533 | const char *str = qobject_input_get_keyval(qiv, name, errp); |
| 534 | |
| 535 | *obj = g_strdup(str); |
| 536 | } |
| 537 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 538 | static void qobject_input_type_number(Visitor *v, const char *name, double *obj, |
| 539 | Error **errp) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 540 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 541 | QObjectInputVisitor *qiv = to_qiv(v); |
| 542 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 543 | QNum *qnum; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 544 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 545 | if (!qobj) { |
| 546 | return; |
| 547 | } |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 548 | qnum = qobject_to_qnum(qobj); |
| 549 | if (!qnum) { |
Marc-André Lureau | 5863404 | 2017-06-07 20:35:57 +0400 | [diff] [blame] | 550 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 551 | full_name(qiv, name), "number"); |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 552 | return; |
Michael Roth | 1ee5187 | 2012-05-11 12:43:24 -0500 | [diff] [blame] | 553 | } |
Markus Armbruster | fcf73f6 | 2015-10-15 16:15:35 +0200 | [diff] [blame] | 554 | |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 555 | *obj = qnum_get_double(qnum); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 556 | } |
| 557 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 558 | static void qobject_input_type_number_keyval(Visitor *v, const char *name, |
| 559 | double *obj, Error **errp) |
| 560 | { |
| 561 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 562 | const char *str = qobject_input_get_keyval(qiv, name, errp); |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 563 | char *endp; |
| 564 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 565 | if (!str) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 566 | return; |
| 567 | } |
| 568 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 569 | errno = 0; |
| 570 | *obj = strtod(str, &endp); |
Markus Armbruster | 5891c38 | 2017-05-22 18:42:12 +0200 | [diff] [blame] | 571 | if (errno || endp == str || *endp || !isfinite(*obj)) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 572 | /* TODO report -ERANGE more nicely */ |
| 573 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 574 | full_name(qiv, name), "number"); |
| 575 | } |
| 576 | } |
| 577 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 578 | static void qobject_input_type_any(Visitor *v, const char *name, QObject **obj, |
| 579 | Error **errp) |
Markus Armbruster | 28770e0 | 2015-09-16 13:06:24 +0200 | [diff] [blame] | 580 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 581 | QObjectInputVisitor *qiv = to_qiv(v); |
| 582 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Markus Armbruster | 28770e0 | 2015-09-16 13:06:24 +0200 | [diff] [blame] | 583 | |
Marc-André Lureau | 1382d4a | 2016-09-30 13:59:48 +0400 | [diff] [blame] | 584 | *obj = NULL; |
Marc-André Lureau | c489780 | 2016-09-23 00:39:26 +0400 | [diff] [blame] | 585 | if (!qobj) { |
Marc-André Lureau | c489780 | 2016-09-23 00:39:26 +0400 | [diff] [blame] | 586 | return; |
| 587 | } |
| 588 | |
Markus Armbruster | 28770e0 | 2015-09-16 13:06:24 +0200 | [diff] [blame] | 589 | qobject_incref(qobj); |
| 590 | *obj = qobj; |
| 591 | } |
| 592 | |
Markus Armbruster | d2f95f4 | 2017-06-26 18:22:59 +0200 | [diff] [blame] | 593 | static void qobject_input_type_null(Visitor *v, const char *name, |
| 594 | QNull **obj, Error **errp) |
Eric Blake | 3bc97fd | 2016-04-28 15:45:22 -0600 | [diff] [blame] | 595 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 596 | QObjectInputVisitor *qiv = to_qiv(v); |
| 597 | QObject *qobj = qobject_input_get_object(qiv, name, true, errp); |
Eric Blake | 3df016f | 2016-04-28 15:45:23 -0600 | [diff] [blame] | 598 | |
Markus Armbruster | d2f95f4 | 2017-06-26 18:22:59 +0200 | [diff] [blame] | 599 | *obj = NULL; |
Marc-André Lureau | c489780 | 2016-09-23 00:39:26 +0400 | [diff] [blame] | 600 | if (!qobj) { |
Marc-André Lureau | c489780 | 2016-09-23 00:39:26 +0400 | [diff] [blame] | 601 | return; |
| 602 | } |
| 603 | |
Eric Blake | 3df016f | 2016-04-28 15:45:23 -0600 | [diff] [blame] | 604 | if (qobject_type(qobj) != QTYPE_QNULL) { |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 605 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, |
| 606 | full_name(qiv, name), "null"); |
Markus Armbruster | d2f95f4 | 2017-06-26 18:22:59 +0200 | [diff] [blame] | 607 | return; |
Eric Blake | 3df016f | 2016-04-28 15:45:23 -0600 | [diff] [blame] | 608 | } |
Markus Armbruster | d2f95f4 | 2017-06-26 18:22:59 +0200 | [diff] [blame] | 609 | *obj = qnull(); |
Eric Blake | 3bc97fd | 2016-04-28 15:45:22 -0600 | [diff] [blame] | 610 | } |
| 611 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 612 | static void qobject_input_type_size_keyval(Visitor *v, const char *name, |
| 613 | uint64_t *obj, Error **errp) |
| 614 | { |
| 615 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 616 | const char *str = qobject_input_get_keyval(qiv, name, errp); |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 617 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 618 | if (!str) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 619 | return; |
| 620 | } |
| 621 | |
Markus Armbruster | e3934b4 | 2017-02-28 22:26:53 +0100 | [diff] [blame] | 622 | if (qemu_strtosz(str, NULL, obj) < 0) { |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 623 | /* TODO report -ERANGE more nicely */ |
| 624 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, |
| 625 | full_name(qiv, name), "size"); |
| 626 | } |
| 627 | } |
| 628 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 629 | static void qobject_input_optional(Visitor *v, const char *name, bool *present) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 630 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 631 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 632 | QObject *qobj = qobject_input_try_get_object(qiv, name, false); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 633 | |
| 634 | if (!qobj) { |
| 635 | *present = false; |
| 636 | return; |
| 637 | } |
| 638 | |
| 639 | *present = true; |
| 640 | } |
| 641 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 642 | static void qobject_input_free(Visitor *v) |
Eric Blake | 2c0ef9f | 2016-06-09 10:48:35 -0600 | [diff] [blame] | 643 | { |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 644 | QObjectInputVisitor *qiv = to_qiv(v); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 645 | |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 646 | while (!QSLIST_EMPTY(&qiv->stack)) { |
| 647 | StackObject *tos = QSLIST_FIRST(&qiv->stack); |
| 648 | |
| 649 | QSLIST_REMOVE_HEAD(&qiv->stack, node); |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 650 | qobject_input_stack_object_free(tos); |
Paolo Bonzini | 3d344c2 | 2016-07-07 17:53:18 +0200 | [diff] [blame] | 651 | } |
Eric Blake | 2c0ef9f | 2016-06-09 10:48:35 -0600 | [diff] [blame] | 652 | |
Eric Blake | b70ce101 | 2016-06-09 10:48:38 -0600 | [diff] [blame] | 653 | qobject_decref(qiv->root); |
Markus Armbruster | a9fc37f | 2017-03-03 13:32:34 +0100 | [diff] [blame] | 654 | if (qiv->errname) { |
| 655 | g_string_free(qiv->errname, TRUE); |
| 656 | } |
Eric Blake | b70ce101 | 2016-06-09 10:48:38 -0600 | [diff] [blame] | 657 | g_free(qiv); |
Eric Blake | 2c0ef9f | 2016-06-09 10:48:35 -0600 | [diff] [blame] | 658 | } |
| 659 | |
Markus Armbruster | abe81bc | 2017-02-28 22:26:52 +0100 | [diff] [blame] | 660 | static QObjectInputVisitor *qobject_input_visitor_base_new(QObject *obj) |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 661 | { |
Markus Armbruster | abe81bc | 2017-02-28 22:26:52 +0100 | [diff] [blame] | 662 | QObjectInputVisitor *v = g_malloc0(sizeof(*v)); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 663 | |
Marc-André Lureau | 5d0cbbc | 2016-09-30 13:59:46 +0400 | [diff] [blame] | 664 | assert(obj); |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 665 | |
Eric Blake | 983f52d | 2016-04-28 15:45:09 -0600 | [diff] [blame] | 666 | v->visitor.type = VISITOR_INPUT; |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 667 | v->visitor.start_struct = qobject_input_start_struct; |
| 668 | v->visitor.check_struct = qobject_input_check_struct; |
Markus Armbruster | 8b2e41d | 2017-04-27 10:41:26 +0200 | [diff] [blame] | 669 | v->visitor.end_struct = qobject_input_end_struct; |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 670 | v->visitor.start_list = qobject_input_start_list; |
| 671 | v->visitor.next_list = qobject_input_next_list; |
Markus Armbruster | a4a1c70 | 2017-03-03 13:32:45 +0100 | [diff] [blame] | 672 | v->visitor.check_list = qobject_input_check_list; |
Markus Armbruster | 8b2e41d | 2017-04-27 10:41:26 +0200 | [diff] [blame] | 673 | v->visitor.end_list = qobject_input_end_list; |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 674 | v->visitor.start_alternate = qobject_input_start_alternate; |
Markus Armbruster | abe81bc | 2017-02-28 22:26:52 +0100 | [diff] [blame] | 675 | v->visitor.optional = qobject_input_optional; |
| 676 | v->visitor.free = qobject_input_free; |
| 677 | |
| 678 | v->root = obj; |
| 679 | qobject_incref(obj); |
| 680 | |
| 681 | return v; |
| 682 | } |
| 683 | |
| 684 | Visitor *qobject_input_visitor_new(QObject *obj) |
| 685 | { |
| 686 | QObjectInputVisitor *v = qobject_input_visitor_base_new(obj); |
| 687 | |
Daniel P. Berrange | 09e6836 | 2016-09-30 15:45:27 +0100 | [diff] [blame] | 688 | v->visitor.type_int64 = qobject_input_type_int64; |
| 689 | v->visitor.type_uint64 = qobject_input_type_uint64; |
| 690 | v->visitor.type_bool = qobject_input_type_bool; |
| 691 | v->visitor.type_str = qobject_input_type_str; |
| 692 | v->visitor.type_number = qobject_input_type_number; |
| 693 | v->visitor.type_any = qobject_input_type_any; |
| 694 | v->visitor.type_null = qobject_input_type_null; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 695 | |
Eric Blake | b70ce101 | 2016-06-09 10:48:38 -0600 | [diff] [blame] | 696 | return &v->visitor; |
Michael Roth | c40cc0a | 2011-07-19 14:50:33 -0500 | [diff] [blame] | 697 | } |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 698 | |
| 699 | Visitor *qobject_input_visitor_new_keyval(QObject *obj) |
| 700 | { |
Markus Armbruster | abe81bc | 2017-02-28 22:26:52 +0100 | [diff] [blame] | 701 | QObjectInputVisitor *v = qobject_input_visitor_base_new(obj); |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 702 | |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 703 | v->visitor.type_int64 = qobject_input_type_int64_keyval; |
| 704 | v->visitor.type_uint64 = qobject_input_type_uint64_keyval; |
| 705 | v->visitor.type_bool = qobject_input_type_bool_keyval; |
Markus Armbruster | 31478f2 | 2017-02-28 22:27:08 +0100 | [diff] [blame] | 706 | v->visitor.type_str = qobject_input_type_str_keyval; |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 707 | v->visitor.type_number = qobject_input_type_number_keyval; |
| 708 | v->visitor.type_any = qobject_input_type_any; |
| 709 | v->visitor.type_null = qobject_input_type_null; |
| 710 | v->visitor.type_size = qobject_input_type_size_keyval; |
Markus Armbruster | 0b2c1be | 2017-02-28 22:27:10 +0100 | [diff] [blame] | 711 | v->keyval = true; |
Daniel P. Berrange | cbd8acf | 2017-02-28 22:26:50 +0100 | [diff] [blame] | 712 | |
| 713 | return &v->visitor; |
| 714 | } |
Markus Armbruster | 9d1eab4 | 2017-02-28 22:27:06 +0100 | [diff] [blame] | 715 | |
| 716 | Visitor *qobject_input_visitor_new_str(const char *str, |
| 717 | const char *implied_key, |
| 718 | Error **errp) |
| 719 | { |
| 720 | bool is_json = str[0] == '{'; |
| 721 | QObject *obj; |
| 722 | QDict *args; |
| 723 | Visitor *v; |
| 724 | |
| 725 | if (is_json) { |
| 726 | obj = qobject_from_json(str, errp); |
| 727 | if (!obj) { |
| 728 | /* Work around qobject_from_json() lossage TODO fix that */ |
| 729 | if (errp && !*errp) { |
| 730 | error_setg(errp, "JSON parse error"); |
| 731 | return NULL; |
| 732 | } |
| 733 | return NULL; |
| 734 | } |
| 735 | args = qobject_to_qdict(obj); |
| 736 | assert(args); |
| 737 | v = qobject_input_visitor_new(QOBJECT(args)); |
| 738 | } else { |
| 739 | args = keyval_parse(str, implied_key, errp); |
| 740 | if (!args) { |
| 741 | return NULL; |
| 742 | } |
| 743 | v = qobject_input_visitor_new_keyval(QOBJECT(args)); |
| 744 | } |
| 745 | QDECREF(args); |
| 746 | |
| 747 | return v; |
| 748 | } |