.destroy = qerror_destroy_obj,
};
-/**
- * The 'desc' parameter is a printf-like string, the format of the format
- * string is:
- *
- * %(KEY)
- *
- * Where KEY is a QDict key, which has to be passed to qerror_from_info().
- *
- * Example:
- *
- * "foo error on device: %(device) slot: %(slot_nr)"
- *
- * A single percent sign can be printed if followed by a second one,
- * for example:
- *
- * "running out of foo: %(foo)%%"
- *
- * Please keep the entries in alphabetical order.
- * Use scripts/check-qerror.sh to check.
- */
-static const QErrorStringTable qerror_table[] = {
- {
- .error_fmt = QERR_ADD_CLIENT_FAILED,
- .desc = "Could not add client",
- },
- {
- .error_fmt = QERR_AMBIGUOUS_PATH,
- .desc = "Path '%(path)' does not uniquely identify an object"
- },
- {
- .error_fmt = QERR_BAD_BUS_FOR_DEVICE,
- .desc = "Device '%(device)' can't go on a %(bad_bus_type) bus",
- },
- {
- .error_fmt = QERR_BASE_NOT_FOUND,
- .desc = "Base '%(base)' not found",
- },
- {
- .error_fmt = QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED,
- .desc = "Block format '%(format)' used by device '%(name)' does not support feature '%(feature)'",
- },
- {
- .error_fmt = QERR_BUS_NO_HOTPLUG,
- .desc = "Bus '%(bus)' does not support hotplugging",
- },
- {
- .error_fmt = QERR_BUS_NOT_FOUND,
- .desc = "Bus '%(bus)' not found",
- },
- {
- .error_fmt = QERR_COMMAND_DISABLED,
- .desc = "The command %(name) has been disabled for this instance",
- },
- {
- .error_fmt = QERR_COMMAND_NOT_FOUND,
- .desc = "The command %(name) has not been found",
- },
- {
- .error_fmt = QERR_DEVICE_ENCRYPTED,
- .desc = "Device '%(device)' is encrypted",
- },
- {
- .error_fmt = QERR_DEVICE_FEATURE_BLOCKS_MIGRATION,
- .desc = "Migration is disabled when using feature '%(feature)' in device '%(device)'",
- },
- {
- .error_fmt = QERR_DEVICE_HAS_NO_MEDIUM,
- .desc = "Device '%(device)' has no medium",
- },
- {
- .error_fmt = QERR_DEVICE_INIT_FAILED,
- .desc = "Device '%(device)' could not be initialized",
- },
- {
- .error_fmt = QERR_DEVICE_IN_USE,
- .desc = "Device '%(device)' is in use",
- },
- {
- .error_fmt = QERR_DEVICE_IS_READ_ONLY,
- .desc = "Device '%(device)' is read only",
- },
- {
- .error_fmt = QERR_DEVICE_LOCKED,
- .desc = "Device '%(device)' is locked",
- },
- {
- .error_fmt = QERR_DEVICE_MULTIPLE_BUSSES,
- .desc = "Device '%(device)' has multiple child busses",
- },
- {
- .error_fmt = QERR_DEVICE_NO_BUS,
- .desc = "Device '%(device)' has no child bus",
- },
- {
- .error_fmt = QERR_DEVICE_NO_HOTPLUG,
- .desc = "Device '%(device)' does not support hotplugging",
- },
- {
- .error_fmt = QERR_DEVICE_NOT_ACTIVE,
- .desc = "Device '%(device)' has not been activated",
- },
- {
- .error_fmt = QERR_DEVICE_NOT_ENCRYPTED,
- .desc = "Device '%(device)' is not encrypted",
- },
- {
- .error_fmt = QERR_DEVICE_NOT_FOUND,
- .desc = "Device '%(device)' not found",
- },
- {
- .error_fmt = QERR_DEVICE_NOT_REMOVABLE,
- .desc = "Device '%(device)' is not removable",
- },
- {
- .error_fmt = QERR_DUPLICATE_ID,
- .desc = "Duplicate ID '%(id)' for %(object)",
- },
- {
- .error_fmt = QERR_FD_NOT_FOUND,
- .desc = "File descriptor named '%(name)' not found",
- },
- {
- .error_fmt = QERR_FD_NOT_SUPPLIED,
- .desc = "No file descriptor supplied via SCM_RIGHTS",
- },
- {
- .error_fmt = QERR_FEATURE_DISABLED,
- .desc = "The feature '%(name)' is not enabled",
- },
- {
- .error_fmt = QERR_INVALID_BLOCK_FORMAT,
- .desc = "Invalid block format '%(name)'",
- },
- {
- .error_fmt = QERR_INVALID_OPTION_GROUP,
- .desc = "There is no option group '%(group)'",
- },
- {
- .error_fmt = QERR_INVALID_PARAMETER,
- .desc = "Invalid parameter '%(name)'",
- },
- {
- .error_fmt = QERR_INVALID_PARAMETER_COMBINATION,
- .desc = "Invalid parameter combination",
- },
- {
- .error_fmt = QERR_INVALID_PARAMETER_TYPE,
- .desc = "Invalid parameter type for '%(name)', expected: %(expected)",
- },
- {
- .error_fmt = QERR_INVALID_PARAMETER_VALUE,
- .desc = "Parameter '%(name)' expects %(expected)",
- },
- {
- .error_fmt = QERR_INVALID_PASSWORD,
- .desc = "Password incorrect",
- },
- {
- .error_fmt = QERR_IO_ERROR,
- .desc = "An IO error has occurred",
- },
- {
- .error_fmt = QERR_JSON_PARSE_ERROR,
- .desc = "JSON parse error, %(message)",
-
- },
- {
- .error_fmt = QERR_JSON_PARSING,
- .desc = "Invalid JSON syntax",
- },
- {
- .error_fmt = QERR_KVM_MISSING_CAP,
- .desc = "Using KVM without %(capability), %(feature) unavailable",
- },
- {
- .error_fmt = QERR_MIGRATION_ACTIVE,
- .desc = "There's a migration process in progress",
- },
- {
- .error_fmt = QERR_MIGRATION_NOT_SUPPORTED,
- .desc = "State blocked by non-migratable device '%(device)'",
- },
- {
- .error_fmt = QERR_MIGRATION_EXPECTED,
- .desc = "An incoming migration is expected before this command can be executed",
- },
- {
- .error_fmt = QERR_MISSING_PARAMETER,
- .desc = "Parameter '%(name)' is missing",
- },
- {
- .error_fmt = QERR_NO_BUS_FOR_DEVICE,
- .desc = "No '%(bus)' bus found for device '%(device)'",
- },
- {
- .error_fmt = QERR_NOT_SUPPORTED,
- .desc = "Not supported",
- },
- {
- .error_fmt = QERR_OPEN_FILE_FAILED,
- .desc = "Could not open '%(filename)'",
- },
- {
- .error_fmt = QERR_PERMISSION_DENIED,
- .desc = "Insufficient permission to perform this operation",
- },
- {
- .error_fmt = QERR_PROPERTY_NOT_FOUND,
- .desc = "Property '%(device).%(property)' not found",
- },
- {
- .error_fmt = QERR_PROPERTY_VALUE_BAD,
- .desc = "Property '%(device).%(property)' doesn't take value '%(value)'",
- },
- {
- .error_fmt = QERR_PROPERTY_VALUE_IN_USE,
- .desc = "Property '%(device).%(property)' can't take value '%(value)', it's in use",
- },
- {
- .error_fmt = QERR_PROPERTY_VALUE_NOT_FOUND,
- .desc = "Property '%(device).%(property)' can't find value '%(value)'",
- },
- {
- .error_fmt = QERR_PROPERTY_VALUE_NOT_POWER_OF_2,
- .desc = "Property '%(device).%(property)' doesn't take "
- "value '%(value)', it's not a power of 2",
- },
- {
- .error_fmt = QERR_PROPERTY_VALUE_OUT_OF_RANGE,
- .desc = "Property '%(device).%(property)' doesn't take "
- "value %(value) (minimum: %(min), maximum: %(max))",
- },
- {
- .error_fmt = QERR_QGA_COMMAND_FAILED,
- .desc = "Guest agent command failed, error was '%(message)'",
- },
- {
- .error_fmt = QERR_QGA_LOGGING_FAILED,
- .desc = "Guest agent failed to log non-optional log statement",
- },
- {
- .error_fmt = QERR_QMP_BAD_INPUT_OBJECT,
- .desc = "Expected '%(expected)' in QMP input",
- },
- {
- .error_fmt = QERR_QMP_BAD_INPUT_OBJECT_MEMBER,
- .desc = "QMP input object member '%(member)' expects '%(expected)'",
- },
- {
- .error_fmt = QERR_QMP_EXTRA_MEMBER,
- .desc = "QMP input object member '%(member)' is unexpected",
- },
- {
- .error_fmt = QERR_RESET_REQUIRED,
- .desc = "Resetting the Virtual Machine is required",
- },
- {
- .error_fmt = QERR_SET_PASSWD_FAILED,
- .desc = "Could not set password",
- },
- {
- .error_fmt = QERR_TOO_MANY_FILES,
- .desc = "Too many open files",
- },
- {
- .error_fmt = QERR_UNDEFINED_ERROR,
- .desc = "An undefined error has occurred",
- },
- {
- .error_fmt = QERR_UNKNOWN_BLOCK_FORMAT_FEATURE,
- .desc = "'%(device)' uses a %(format) feature which is not "
- "supported by this qemu version: %(feature)",
- },
- {
- .error_fmt = QERR_UNSUPPORTED,
- .desc = "this feature or command is not currently supported",
- },
- {
- .error_fmt = QERR_VIRTFS_FEATURE_BLOCKS_MIGRATION,
- .desc = "Migration is disabled when VirtFS export path '%(path)' "
- "is mounted in the guest using mount_tag '%(tag)'",
- },
- {
- .error_fmt = QERR_VNC_SERVER_FAILED,
- .desc = "Could not start VNC server on %(target)",
- },
- {
- .error_fmt = QERR_SOCKET_CONNECT_IN_PROGRESS,
- .desc = "Connection can not be completed immediately",
- },
- {
- .error_fmt = QERR_SOCKET_CONNECT_FAILED,
- .desc = "Failed to connect to socket",
- },
- {
- .error_fmt = QERR_SOCKET_LISTEN_FAILED,
- .desc = "Failed to set socket to listening mode",
- },
- {
- .error_fmt = QERR_SOCKET_BIND_FAILED,
- .desc = "Failed to bind socket",
- },
- {
- .error_fmt = QERR_SOCKET_CREATE_FAILED,
- .desc = "Failed to create socket",
- },
- {}
-};
-
/**
* qerror_new(): Create a new QError
*
* Return strong reference.
*/
-QError *qerror_new(void)
+static QError *qerror_new(void)
{
QError *qerr;
return qerr;
}
-static void GCC_FMT_ATTR(2, 3) qerror_abort(const QError *qerr,
- const char *fmt, ...)
-{
- va_list ap;
-
- fprintf(stderr, "qerror: bad call in function '%s':\n", qerr->func);
- fprintf(stderr, "qerror: -> ");
-
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
-
- fprintf(stderr, "\nqerror: call at %s:%d\n", qerr->file, qerr->linenr);
- abort();
-}
-
-static void GCC_FMT_ATTR(2, 0) qerror_set_data(QError *qerr,
- const char *fmt, va_list *va)
-{
- QObject *obj;
-
- obj = qobject_from_jsonv(fmt, va);
- if (!obj) {
- qerror_abort(qerr, "invalid format '%s'", fmt);
- }
- if (qobject_type(obj) != QTYPE_QDICT) {
- qerror_abort(qerr, "error format is not a QDict '%s'", fmt);
- }
-
- qerr->error = qobject_to_qdict(obj);
-
- obj = qdict_get(qerr->error, "class");
- if (!obj) {
- qerror_abort(qerr, "missing 'class' key in '%s'", fmt);
- }
- if (qobject_type(obj) != QTYPE_QSTRING) {
- qerror_abort(qerr, "'class' key value should be a QString");
- }
-
- obj = qdict_get(qerr->error, "data");
- if (!obj) {
- qerror_abort(qerr, "missing 'data' key in '%s'", fmt);
- }
- if (qobject_type(obj) != QTYPE_QDICT) {
- qerror_abort(qerr, "'data' key value should be a QDICT");
- }
-}
-
-static void qerror_set_desc(QError *qerr, const char *fmt)
-{
- int i;
-
- // FIXME: inefficient loop
-
- for (i = 0; qerror_table[i].error_fmt; i++) {
- if (strcmp(qerror_table[i].error_fmt, fmt) == 0) {
- qerr->entry = &qerror_table[i];
- return;
- }
- }
-
- qerror_abort(qerr, "error format '%s' not found", fmt);
-}
-
/**
* qerror_from_info(): Create a new QError from error information
*
- * The information consists of:
- *
- * - file the file name of where the error occurred
- * - linenr the line number of where the error occurred
- * - func the function name of where the error occurred
- * - fmt JSON printf-like dictionary, there must exist keys 'class' and
- * 'data'
- * - va va_list of all arguments specified by fmt
- *
* Return strong reference.
*/
-QError *qerror_from_info(const char *file, int linenr, const char *func,
- const char *fmt, va_list *va)
+static QError *qerror_from_info(ErrorClass err_class, const char *fmt,
+ va_list *va)
{
QError *qerr;
qerr = qerror_new();
loc_save(&qerr->loc);
- qerr->linenr = linenr;
- qerr->file = file;
- qerr->func = func;
-
- if (!fmt) {
- qerror_abort(qerr, "QDict not specified");
- }
- qerror_set_data(qerr, fmt, va);
- qerror_set_desc(qerr, fmt);
+ qerr->err_msg = g_strdup_vprintf(fmt, *va);
+ qerr->err_class = err_class;
return qerr;
}
-static void parse_error(const QErrorStringTable *entry, int c)
-{
- fprintf(stderr, "expected '%c' in '%s'", c, entry->desc);
- abort();
-}
-
-static const char *append_field(QDict *error, QString *outstr,
- const QErrorStringTable *entry,
- const char *start)
-{
- QObject *obj;
- QDict *qdict;
- QString *key_qs;
- const char *end, *key;
-
- if (*start != '%')
- parse_error(entry, '%');
- start++;
- if (*start != '(')
- parse_error(entry, '(');
- start++;
-
- end = strchr(start, ')');
- if (!end)
- parse_error(entry, ')');
-
- key_qs = qstring_from_substr(start, 0, end - start - 1);
- key = qstring_get_str(key_qs);
-
- qdict = qobject_to_qdict(qdict_get(error, "data"));
- obj = qdict_get(qdict, key);
- if (!obj) {
- abort();
- }
-
- switch (qobject_type(obj)) {
- case QTYPE_QSTRING:
- qstring_append(outstr, qdict_get_str(qdict, key));
- break;
- case QTYPE_QINT:
- qstring_append_int(outstr, qdict_get_int(qdict, key));
- break;
- default:
- abort();
- }
-
- QDECREF(key_qs);
- return ++end;
-}
-
-static QString *qerror_format_desc(QDict *error,
- const QErrorStringTable *entry)
-{
- QString *qstring;
- const char *p;
-
- assert(entry != NULL);
-
- qstring = qstring_new();
-
- for (p = entry->desc; *p != '\0';) {
- if (*p != '%') {
- qstring_append_chr(qstring, *p++);
- } else if (*(p + 1) == '%') {
- qstring_append_chr(qstring, '%');
- p += 2;
- } else {
- p = append_field(error, qstring, entry, p);
- }
- }
-
- return qstring;
-}
-
-QString *qerror_format(const char *fmt, QDict *error)
-{
- const QErrorStringTable *entry = NULL;
- int i;
-
- for (i = 0; qerror_table[i].error_fmt; i++) {
- if (strcmp(qerror_table[i].error_fmt, fmt) == 0) {
- entry = &qerror_table[i];
- break;
- }
- }
-
- return qerror_format_desc(error, entry);
-}
-
/**
* qerror_human(): Format QError data into human-readable string.
*/
QString *qerror_human(const QError *qerror)
{
- return qerror_format_desc(qerror->error, qerror->entry);
+ return qstring_from_str(qerror->err_msg);
}
/**
* it uses error_report() for this, so that the output is routed to the right
* place (ie. stderr or Monitor's device).
*/
-void qerror_print(QError *qerror)
+static void qerror_print(QError *qerror)
{
QString *qstring = qerror_human(qerror);
loc_push_restore(&qerror->loc);
QDECREF(qstring);
}
-void qerror_report_internal(const char *file, int linenr, const char *func,
- const char *fmt, ...)
+void qerror_report(ErrorClass eclass, const char *fmt, ...)
{
va_list va;
QError *qerror;
va_start(va, fmt);
- qerror = qerror_from_info(file, linenr, func, fmt, &va);
+ qerror = qerror_from_info(eclass, fmt, &va);
va_end(va);
if (monitor_cur_is_qmp()) {
/* Evil... */
struct Error
{
- QDict *obj;
- const char *fmt;
char *msg;
+ ErrorClass err_class;
};
void qerror_report_err(Error *err)
{
QError *qerr;
- int i;
qerr = qerror_new();
loc_save(&qerr->loc);
- QINCREF(err->obj);
- qerr->error = err->obj;
-
- for (i = 0; qerror_table[i].error_fmt; i++) {
- if (strcmp(qerror_table[i].error_fmt, err->fmt) == 0) {
- qerr->entry = &qerror_table[i];
- break;
- }
- }
+ qerr->err_msg = g_strdup(err->msg);
+ qerr->err_class = err->err_class;
if (monitor_cur_is_qmp()) {
monitor_set_error(cur_mon, qerr);
/**
* qobject_to_qerror(): Convert a QObject into a QError
*/
-QError *qobject_to_qerror(const QObject *obj)
+static QError *qobject_to_qerror(const QObject *obj)
{
if (qobject_type(obj) != QTYPE_QERROR) {
return NULL;
assert(obj != NULL);
qerr = qobject_to_qerror(obj);
- QDECREF(qerr->error);
+ g_free(qerr->err_msg);
g_free(qerr);
}
projects / qemu.git / blobdiff