2009-07-31 12:25:35 +02:00
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#include "qemu-common.h"
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2012-12-17 18:20:00 +01:00
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#include "qemu/error-report.h"
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#include "qemu/option.h"
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#include "qemu/config-file.h"
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2013-02-04 11:37:52 +01:00
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#include "qapi/qmp/qerror.h"
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2009-12-08 13:11:34 +01:00
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#include "hw/qdev.h"
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2012-12-17 18:19:43 +01:00
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#include "qapi/error.h"
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2013-04-25 11:50:35 +02:00
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#include "qmp-commands.h"
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2009-07-31 12:25:35 +02:00
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2012-11-26 16:03:42 +01:00
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static QemuOptsList *vm_config_groups[32];
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2009-07-31 12:25:36 +02:00
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2012-03-28 19:14:17 +02:00
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static QemuOptsList *find_list(QemuOptsList **lists, const char *group,
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Error **errp)
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2009-10-14 10:39:25 +02:00
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{
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int i;
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for (i = 0; lists[i] != NULL; i++) {
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if (strcmp(lists[i]->name, group) == 0)
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break;
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}
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if (lists[i] == NULL) {
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2012-03-28 19:14:17 +02:00
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error_set(errp, QERR_INVALID_OPTION_GROUP, group);
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2009-10-14 10:39:25 +02:00
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}
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return lists[i];
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}
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2010-03-05 18:21:56 +01:00
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QemuOptsList *qemu_find_opts(const char *group)
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{
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2012-03-28 19:14:17 +02:00
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QemuOptsList *ret;
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Error *local_err = NULL;
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ret = find_list(vm_config_groups, group, &local_err);
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if (error_is_set(&local_err)) {
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error: Strip trailing '\n' from error string arguments (again)
Commit 6daf194d and be62a2eb got rid of a bunch, but they keep coming
back. Tracked down with this Coccinelle semantic patch:
@r@
expression err, eno, cls, fmt;
position p;
@@
(
error_report(fmt, ...)@p
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error_set(err, cls, fmt, ...)@p
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error_set_errno(err, eno, cls, fmt, ...)@p
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error_setg(err, fmt, ...)@p
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error_setg_errno(err, eno, fmt, ...)@p
)
@script:python@
fmt << r.fmt;
p << r.p;
@@
if "\\n" in str(fmt):
print "%s:%s:%s:%s" % (p[0].file, p[0].line, p[0].column, fmt)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1360354939-10994-4-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-02-08 21:22:16 +01:00
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error_report("%s", error_get_pretty(local_err));
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2012-03-28 19:14:17 +02:00
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error_free(local_err);
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}
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return ret;
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2010-03-05 18:21:56 +01:00
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}
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2013-04-25 11:50:35 +02:00
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static CommandLineParameterInfoList *query_option_descs(const QemuOptDesc *desc)
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{
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CommandLineParameterInfoList *param_list = NULL, *entry;
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CommandLineParameterInfo *info;
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int i;
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for (i = 0; desc[i].name != NULL; i++) {
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info = g_malloc0(sizeof(*info));
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info->name = g_strdup(desc[i].name);
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switch (desc[i].type) {
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case QEMU_OPT_STRING:
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info->type = COMMAND_LINE_PARAMETER_TYPE_STRING;
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break;
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case QEMU_OPT_BOOL:
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info->type = COMMAND_LINE_PARAMETER_TYPE_BOOLEAN;
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break;
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case QEMU_OPT_NUMBER:
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info->type = COMMAND_LINE_PARAMETER_TYPE_NUMBER;
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break;
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case QEMU_OPT_SIZE:
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info->type = COMMAND_LINE_PARAMETER_TYPE_SIZE;
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break;
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}
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if (desc[i].help) {
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info->has_help = true;
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info->help = g_strdup(desc[i].help);
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}
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entry = g_malloc0(sizeof(*entry));
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entry->value = info;
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entry->next = param_list;
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param_list = entry;
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}
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return param_list;
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}
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CommandLineOptionInfoList *qmp_query_command_line_options(bool has_option,
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const char *option,
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Error **errp)
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{
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CommandLineOptionInfoList *conf_list = NULL, *entry;
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CommandLineOptionInfo *info;
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int i;
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for (i = 0; vm_config_groups[i] != NULL; i++) {
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if (!has_option || !strcmp(option, vm_config_groups[i]->name)) {
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info = g_malloc0(sizeof(*info));
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info->option = g_strdup(vm_config_groups[i]->name);
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info->parameters = query_option_descs(vm_config_groups[i]->desc);
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entry = g_malloc0(sizeof(*entry));
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entry->value = info;
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entry->next = conf_list;
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conf_list = entry;
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}
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}
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if (conf_list == NULL) {
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error_setg(errp, "invalid option name: %s", option);
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}
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return conf_list;
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}
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2012-03-28 19:16:37 +02:00
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QemuOptsList *qemu_find_opts_err(const char *group, Error **errp)
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{
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return find_list(vm_config_groups, group, errp);
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}
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2010-08-20 13:52:00 +02:00
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void qemu_add_opts(QemuOptsList *list)
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{
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int entries, i;
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entries = ARRAY_SIZE(vm_config_groups);
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entries--; /* keep list NULL terminated */
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for (i = 0; i < entries; i++) {
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if (vm_config_groups[i] == NULL) {
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vm_config_groups[i] = list;
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return;
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}
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}
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fprintf(stderr, "ran out of space in vm_config_groups");
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abort();
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}
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2009-07-31 12:25:36 +02:00
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int qemu_set_option(const char *str)
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{
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char group[64], id[64], arg[64];
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2009-10-14 10:39:25 +02:00
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QemuOptsList *list;
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2009-07-31 12:25:36 +02:00
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QemuOpts *opts;
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2009-10-14 10:39:25 +02:00
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int rc, offset;
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2009-07-31 12:25:36 +02:00
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rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
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if (rc < 3 || str[offset] != '=') {
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2010-02-18 17:25:24 +01:00
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error_report("can't parse: \"%s\"", str);
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2009-07-31 12:25:36 +02:00
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return -1;
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}
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2010-02-10 20:09:14 +01:00
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list = qemu_find_opts(group);
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2009-10-14 10:39:25 +02:00
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if (list == NULL) {
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2009-07-31 12:25:36 +02:00
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return -1;
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}
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2009-10-14 10:39:25 +02:00
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opts = qemu_opts_find(list, id);
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2009-07-31 12:25:36 +02:00
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if (!opts) {
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2010-02-18 17:25:24 +01:00
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error_report("there is no %s \"%s\" defined",
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list->name, id);
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2009-07-31 12:25:36 +02:00
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return -1;
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}
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2009-09-23 12:24:05 +02:00
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if (qemu_opt_set(opts, arg, str+offset+1) == -1) {
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2009-07-31 12:25:36 +02:00
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return -1;
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}
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return 0;
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}
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2009-10-14 10:39:26 +02:00
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struct ConfigWriteData {
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QemuOptsList *list;
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FILE *fp;
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};
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static int config_write_opt(const char *name, const char *value, void *opaque)
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{
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struct ConfigWriteData *data = opaque;
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fprintf(data->fp, " %s = \"%s\"\n", name, value);
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return 0;
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}
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static int config_write_opts(QemuOpts *opts, void *opaque)
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{
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struct ConfigWriteData *data = opaque;
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const char *id = qemu_opts_id(opts);
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if (id) {
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fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
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} else {
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fprintf(data->fp, "[%s]\n", data->list->name);
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}
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qemu_opt_foreach(opts, config_write_opt, data, 0);
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fprintf(data->fp, "\n");
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return 0;
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}
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void qemu_config_write(FILE *fp)
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{
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struct ConfigWriteData data = { .fp = fp };
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2010-03-05 18:21:56 +01:00
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QemuOptsList **lists = vm_config_groups;
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2009-10-14 10:39:26 +02:00
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int i;
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fprintf(fp, "# qemu config file\n\n");
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for (i = 0; lists[i] != NULL; i++) {
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data.list = lists[i];
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qemu_opts_foreach(data.list, config_write_opts, &data, 0);
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}
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}
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2009-10-14 10:39:27 +02:00
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2010-03-05 18:21:56 +01:00
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int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname)
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2009-10-14 10:39:27 +02:00
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{
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char line[1024], group[64], id[64], arg[64], value[1024];
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2010-02-18 19:48:33 +01:00
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Location loc;
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2009-10-14 10:39:27 +02:00
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QemuOptsList *list = NULL;
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2012-03-28 19:14:17 +02:00
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Error *local_err = NULL;
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2009-10-14 10:39:27 +02:00
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QemuOpts *opts = NULL;
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2010-02-18 19:48:33 +01:00
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int res = -1, lno = 0;
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2009-10-14 10:39:27 +02:00
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2010-02-18 19:48:33 +01:00
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loc_push_none(&loc);
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2009-10-14 10:39:27 +02:00
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while (fgets(line, sizeof(line), fp) != NULL) {
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2010-02-18 19:48:33 +01:00
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loc_set_file(fname, ++lno);
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2009-10-14 10:39:27 +02:00
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if (line[0] == '\n') {
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/* skip empty lines */
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continue;
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}
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if (line[0] == '#') {
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/* comment */
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continue;
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}
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if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) {
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/* group with id */
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2012-03-28 19:14:17 +02:00
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list = find_list(lists, group, &local_err);
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if (error_is_set(&local_err)) {
|
error: Strip trailing '\n' from error string arguments (again)
Commit 6daf194d and be62a2eb got rid of a bunch, but they keep coming
back. Tracked down with this Coccinelle semantic patch:
@r@
expression err, eno, cls, fmt;
position p;
@@
(
error_report(fmt, ...)@p
|
error_set(err, cls, fmt, ...)@p
|
error_set_errno(err, eno, cls, fmt, ...)@p
|
error_setg(err, fmt, ...)@p
|
error_setg_errno(err, eno, fmt, ...)@p
)
@script:python@
fmt << r.fmt;
p << r.p;
@@
if "\\n" in str(fmt):
print "%s:%s:%s:%s" % (p[0].file, p[0].line, p[0].column, fmt)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1360354939-10994-4-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-02-08 21:22:16 +01:00
|
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error_report("%s", error_get_pretty(local_err));
|
2012-03-28 19:14:17 +02:00
|
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error_free(local_err);
|
2010-02-18 19:48:33 +01:00
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goto out;
|
2012-03-28 19:14:17 +02:00
|
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}
|
2012-03-20 19:51:57 +01:00
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opts = qemu_opts_create(list, id, 1, NULL);
|
2009-10-14 10:39:27 +02:00
|
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continue;
|
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}
|
|
|
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if (sscanf(line, "[%63[^]]]", group) == 1) {
|
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|
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/* group without id */
|
2012-03-28 19:14:17 +02:00
|
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|
list = find_list(lists, group, &local_err);
|
|
|
|
if (error_is_set(&local_err)) {
|
error: Strip trailing '\n' from error string arguments (again)
Commit 6daf194d and be62a2eb got rid of a bunch, but they keep coming
back. Tracked down with this Coccinelle semantic patch:
@r@
expression err, eno, cls, fmt;
position p;
@@
(
error_report(fmt, ...)@p
|
error_set(err, cls, fmt, ...)@p
|
error_set_errno(err, eno, cls, fmt, ...)@p
|
error_setg(err, fmt, ...)@p
|
error_setg_errno(err, eno, fmt, ...)@p
)
@script:python@
fmt << r.fmt;
p << r.p;
@@
if "\\n" in str(fmt):
print "%s:%s:%s:%s" % (p[0].file, p[0].line, p[0].column, fmt)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1360354939-10994-4-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-02-08 21:22:16 +01:00
|
|
|
error_report("%s", error_get_pretty(local_err));
|
2012-03-28 19:14:17 +02:00
|
|
|
error_free(local_err);
|
2010-02-18 19:48:33 +01:00
|
|
|
goto out;
|
2012-03-28 19:14:17 +02:00
|
|
|
}
|
2012-12-06 07:47:22 +01:00
|
|
|
opts = qemu_opts_create_nofail(list);
|
2009-10-14 10:39:27 +02:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
|
|
|
|
/* arg = value */
|
|
|
|
if (opts == NULL) {
|
2010-02-18 19:48:33 +01:00
|
|
|
error_report("no group defined");
|
|
|
|
goto out;
|
2009-10-14 10:39:27 +02:00
|
|
|
}
|
|
|
|
if (qemu_opt_set(opts, arg, value) != 0) {
|
2010-02-18 19:48:33 +01:00
|
|
|
goto out;
|
2009-10-14 10:39:27 +02:00
|
|
|
}
|
|
|
|
continue;
|
|
|
|
}
|
2010-02-18 19:48:33 +01:00
|
|
|
error_report("parse error");
|
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|
|
goto out;
|
2009-10-14 10:39:27 +02:00
|
|
|
}
|
2010-02-18 19:56:01 +01:00
|
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|
if (ferror(fp)) {
|
|
|
|
error_report("error reading file");
|
|
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|
goto out;
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|
|
|
}
|
2010-02-18 19:48:33 +01:00
|
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|
res = 0;
|
|
|
|
out:
|
|
|
|
loc_pop(&loc);
|
|
|
|
return res;
|
2009-10-14 10:39:27 +02:00
|
|
|
}
|
2010-03-05 17:25:55 +01:00
|
|
|
|
|
|
|
int qemu_read_config_file(const char *filename)
|
|
|
|
{
|
|
|
|
FILE *f = fopen(filename, "r");
|
2010-05-17 10:36:47 +02:00
|
|
|
int ret;
|
|
|
|
|
2010-03-05 17:25:55 +01:00
|
|
|
if (f == NULL) {
|
|
|
|
return -errno;
|
|
|
|
}
|
|
|
|
|
2010-05-17 10:36:47 +02:00
|
|
|
ret = qemu_config_parse(f, vm_config_groups, filename);
|
2010-03-05 17:25:55 +01:00
|
|
|
fclose(f);
|
|
|
|
|
2010-05-17 10:36:47 +02:00
|
|
|
if (ret == 0) {
|
|
|
|
return 0;
|
|
|
|
} else {
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
2010-03-05 17:25:55 +01:00
|
|
|
}
|