4 * Copyright (C) 2009 Red Hat Inc.
7 * Luiz Capitulino <lcapitulino@redhat.com>
9 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
10 * See the COPYING.LIB file in the top-level directory.
16 #include "qemu-common.h"
18 static void qerror_destroy_obj(QObject
*obj
);
20 static const QType qerror_type
= {
22 .destroy
= qerror_destroy_obj
,
26 * The 'desc' parameter is a printf-like string, the format of the format
31 * Where KEY is a QDict key, which has to be passed to qerror_from_info().
35 * "foo error on device: %(device) slot: %(slot_nr)"
37 * A single percent sign can be printed if followed by a second one,
40 * "running out of foo: %(foo)%%"
42 * Please keep the entries in alphabetical order.
43 * Use scripts/check-qerror.sh to check.
45 static const QErrorStringTable qerror_table
[] = {
47 QERR_ADD_CLIENT_FAILED
,
48 "Could not add client",
52 "Path '%(path)' does not uniquely identify an object"
55 QERR_BAD_BUS_FOR_DEVICE
,
56 "Device '%(device)' can't go on a %(bad_bus_type) bus",
60 "Base '%(base)' not found",
63 QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED
,
64 "Block format '%(format)' used by device '%(name)' does not support feature '%(feature)'",
68 "Bus '%(bus)' does not support hotplugging",
72 "Bus '%(bus)' not found",
75 QERR_COMMAND_DISABLED
,
76 "The command %(name) has been disabled for this instance",
79 QERR_COMMAND_NOT_FOUND
,
80 "The command %(name) has not been found",
83 QERR_DEVICE_ENCRYPTED
,
84 "'%(device)' (%(filename)) is encrypted",
87 QERR_DEVICE_FEATURE_BLOCKS_MIGRATION
,
88 "Migration is disabled when using feature '%(feature)' in device '%(device)'",
91 QERR_DEVICE_HAS_NO_MEDIUM
,
92 "Device '%(device)' has no medium",
95 QERR_DEVICE_INIT_FAILED
,
96 "Device '%(device)' could not be initialized",
100 "Device '%(device)' is in use",
103 QERR_DEVICE_IS_READ_ONLY
,
104 "Device '%(device)' is read only",
108 "Device '%(device)' is locked",
111 QERR_DEVICE_MULTIPLE_BUSSES
,
112 "Device '%(device)' has multiple child busses",
116 "Device '%(device)' has no child bus",
119 QERR_DEVICE_NO_HOTPLUG
,
120 "Device '%(device)' does not support hotplugging",
123 QERR_DEVICE_NOT_ACTIVE
,
124 "Device '%(device)' has not been activated",
127 QERR_DEVICE_NOT_ENCRYPTED
,
128 "Device '%(device)' is not encrypted",
131 QERR_DEVICE_NOT_FOUND
,
132 "Device '%(device)' not found",
135 QERR_DEVICE_NOT_REMOVABLE
,
136 "Device '%(device)' is not removable",
140 "Duplicate ID '%(id)' for %(object)",
144 "File descriptor named '%(name)' not found",
147 QERR_FD_NOT_SUPPLIED
,
148 "No file descriptor supplied via SCM_RIGHTS",
151 QERR_FEATURE_DISABLED
,
152 "The feature '%(name)' is not enabled",
155 QERR_INVALID_BLOCK_FORMAT
,
156 "Invalid block format '%(name)'",
159 QERR_INVALID_OPTION_GROUP
,
160 "There is no option group '%(group)'",
163 QERR_INVALID_PARAMETER
,
164 "Invalid parameter '%(name)'",
167 QERR_INVALID_PARAMETER_COMBINATION
,
168 "Invalid parameter combination",
171 QERR_INVALID_PARAMETER_TYPE
,
172 "Invalid parameter type for '%(name)', expected: %(expected)",
175 QERR_INVALID_PARAMETER_VALUE
,
176 "Parameter '%(name)' expects %(expected)",
179 QERR_INVALID_PASSWORD
,
180 "Password incorrect",
184 "An IO error has occurred",
187 QERR_JSON_PARSE_ERROR
,
188 "JSON parse error, %(message)",
193 "Invalid JSON syntax",
196 QERR_KVM_MISSING_CAP
,
197 "Using KVM without %(capability), %(feature) unavailable",
200 QERR_MIGRATION_ACTIVE
,
201 "There's a migration process in progress",
204 QERR_MIGRATION_NOT_SUPPORTED
,
205 "State blocked by non-migratable device '%(device)'",
208 QERR_MIGRATION_EXPECTED
,
209 "An incoming migration is expected before this command can be executed",
212 QERR_MISSING_PARAMETER
,
213 "Parameter '%(name)' is missing",
216 QERR_NO_BUS_FOR_DEVICE
,
217 "No '%(bus)' bus found for device '%(device)'",
224 QERR_OPEN_FILE_FAILED
,
225 "Could not open '%(filename)'",
228 QERR_PERMISSION_DENIED
,
229 "Insufficient permission to perform this operation",
232 QERR_PROPERTY_NOT_FOUND
,
233 "Property '%(device).%(property)' not found",
236 QERR_PROPERTY_VALUE_BAD
,
237 "Property '%(device).%(property)' doesn't take value '%(value)'",
240 QERR_PROPERTY_VALUE_IN_USE
,
241 "Property '%(device).%(property)' can't take value '%(value)', it's in use",
244 QERR_PROPERTY_VALUE_NOT_FOUND
,
245 "Property '%(device).%(property)' can't find value '%(value)'",
248 QERR_PROPERTY_VALUE_NOT_POWER_OF_2
,
249 "Property '%(device).%(property)' doesn't take "
250 "value '%(value)', it's not a power of 2",
253 QERR_PROPERTY_VALUE_OUT_OF_RANGE
,
254 "Property '%(device).%(property)' doesn't take "
255 "value %(value) (minimum: %(min), maximum: %(max))",
258 QERR_QGA_COMMAND_FAILED
,
259 "Guest agent command failed, error was '%(message)'",
262 QERR_QGA_LOGGING_FAILED
,
263 "Guest agent failed to log non-optional log statement",
266 QERR_QMP_BAD_INPUT_OBJECT
,
267 "Expected '%(expected)' in QMP input",
270 QERR_QMP_BAD_INPUT_OBJECT_MEMBER
,
271 "QMP input object member '%(member)' expects '%(expected)'",
274 QERR_QMP_EXTRA_MEMBER
,
275 "QMP input object member '%(member)' is unexpected",
279 "Resetting the Virtual Machine is required",
282 QERR_SET_PASSWD_FAILED
,
283 "Could not set password",
287 "Too many open files",
290 QERR_UNDEFINED_ERROR
,
291 "An undefined error has occurred",
294 QERR_UNKNOWN_BLOCK_FORMAT_FEATURE
,
295 "'%(device)' uses a %(format) feature which is not "
296 "supported by this qemu version: %(feature)",
300 "this feature or command is not currently supported",
303 QERR_VIRTFS_FEATURE_BLOCKS_MIGRATION
,
304 "Migration is disabled when VirtFS export path '%(path)' "
305 "is mounted in the guest using mount_tag '%(tag)'",
308 QERR_VNC_SERVER_FAILED
,
309 "Could not start VNC server on %(target)",
312 QERR_SOCKET_CONNECT_FAILED
,
313 "Failed to connect to socket",
316 QERR_SOCKET_LISTEN_FAILED
,
317 "Failed to set socket to listening mode",
320 QERR_SOCKET_BIND_FAILED
,
321 "Failed to bind socket",
324 QERR_SOCKET_CREATE_FAILED
,
325 "Failed to create socket",
331 * qerror_new(): Create a new QError
333 * Return strong reference.
335 static QError
*qerror_new(void)
339 qerr
= g_malloc0(sizeof(*qerr
));
340 QOBJECT_INIT(qerr
, &qerror_type
);
346 * qerror_from_info(): Create a new QError from error information
348 * Return strong reference.
350 static QError
*qerror_from_info(ErrorClass err_class
, const char *fmt
,
356 loc_save(&qerr
->loc
);
358 qerr
->err_msg
= g_strdup_vprintf(fmt
, *va
);
359 qerr
->err_class
= err_class
;
364 static void parse_error(const QErrorStringTable
*entry
, int c
)
366 fprintf(stderr
, "expected '%c' in '%s'", c
, entry
->desc
);
370 static const char *append_field(QDict
*error
, QString
*outstr
,
371 const QErrorStringTable
*entry
,
377 const char *end
, *key
;
380 parse_error(entry
, '%');
383 parse_error(entry
, '(');
386 end
= strchr(start
, ')');
388 parse_error(entry
, ')');
390 key_qs
= qstring_from_substr(start
, 0, end
- start
- 1);
391 key
= qstring_get_str(key_qs
);
393 qdict
= qobject_to_qdict(qdict_get(error
, "data"));
394 obj
= qdict_get(qdict
, key
);
399 switch (qobject_type(obj
)) {
401 qstring_append(outstr
, qdict_get_str(qdict
, key
));
404 qstring_append_int(outstr
, qdict_get_int(qdict
, key
));
414 static QString
*qerror_format_desc(QDict
*error
,
415 const QErrorStringTable
*entry
)
420 assert(entry
!= NULL
);
422 qstring
= qstring_new();
424 for (p
= entry
->desc
; *p
!= '\0';) {
426 qstring_append_chr(qstring
, *p
++);
427 } else if (*(p
+ 1) == '%') {
428 qstring_append_chr(qstring
, '%');
431 p
= append_field(error
, qstring
, entry
, p
);
438 char *qerror_format(const char *fmt
, QDict
*error
)
440 const QErrorStringTable
*entry
= NULL
;
445 for (i
= 0; qerror_table
[i
].error_fmt
; i
++) {
446 if (strcmp(qerror_table
[i
].error_fmt
, fmt
) == 0) {
447 entry
= &qerror_table
[i
];
452 qstr
= qerror_format_desc(error
, entry
);
453 ret
= g_strdup(qstring_get_str(qstr
));
460 * qerror_human(): Format QError data into human-readable string.
462 QString
*qerror_human(const QError
*qerror
)
464 return qstring_from_str(qerror
->err_msg
);
468 * qerror_print(): Print QError data
470 * This function will print the member 'desc' of the specified QError object,
471 * it uses error_report() for this, so that the output is routed to the right
472 * place (ie. stderr or Monitor's device).
474 static void qerror_print(QError
*qerror
)
476 QString
*qstring
= qerror_human(qerror
);
477 loc_push_restore(&qerror
->loc
);
478 error_report("%s", qstring_get_str(qstring
));
479 loc_pop(&qerror
->loc
);
483 void qerror_report(ErrorClass eclass
, const char *fmt
, ...)
489 qerror
= qerror_from_info(eclass
, fmt
, &va
);
492 if (monitor_cur_is_qmp()) {
493 monitor_set_error(cur_mon
, qerror
);
495 qerror_print(qerror
);
505 ErrorClass err_class
;
508 void qerror_report_err(Error
*err
)
513 loc_save(&qerr
->loc
);
515 qerr
->error
= err
->obj
;
516 qerr
->err_msg
= g_strdup(err
->msg
);
517 qerr
->err_class
= err
->err_class
;
519 if (monitor_cur_is_qmp()) {
520 monitor_set_error(cur_mon
, qerr
);
527 void assert_no_error(Error
*err
)
530 qerror_report_err(err
);
536 * qobject_to_qerror(): Convert a QObject into a QError
538 static QError
*qobject_to_qerror(const QObject
*obj
)
540 if (qobject_type(obj
) != QTYPE_QERROR
) {
544 return container_of(obj
, QError
, base
);
548 * qerror_destroy_obj(): Free all memory allocated by a QError
550 static void qerror_destroy_obj(QObject
*obj
)
555 qerr
= qobject_to_qerror(obj
);
557 QDECREF(qerr
->error
);
558 g_free(qerr
->err_msg
);