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qom: Implement qom-set HMP command
Re-implemented based on qmp_qom_set() to facilitate argument parsing. Warn about ambiguous path arguments. Reviewed-by: Gonglei <arei.gonglei@huawei.com> Tested-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
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@ -1684,6 +1684,19 @@ ETEXI
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STEXI
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@item qom-list [@var{path}]
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Print QOM properties of object at location @var{path}
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ETEXI
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{
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.name = "qom-set",
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.args_type = "path:s,property:s,value:s",
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.params = "path property value",
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.help = "set QOM property",
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.mhandler.cmd = hmp_qom_set,
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},
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STEXI
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@item qom-set @var{path} @var{property} @var{value}
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Set QOM property @var{property} of object at location @var{path} to value @var{value}
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ETEXI
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{
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21
hmp.c
21
hmp.c
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@ -1892,3 +1892,24 @@ void hmp_qom_list(Monitor *mon, const QDict *qdict)
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}
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hmp_handle_error(mon, &err);
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}
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void hmp_qom_set(Monitor *mon, const QDict *qdict)
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{
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const char *path = qdict_get_str(qdict, "path");
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const char *property = qdict_get_str(qdict, "property");
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const char *value = qdict_get_str(qdict, "value");
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Error *err = NULL;
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bool ambiguous = false;
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Object *obj;
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obj = object_resolve_path(path, &ambiguous);
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if (obj == NULL) {
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error_set(&err, QERR_DEVICE_NOT_FOUND, path);
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} else {
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if (ambiguous) {
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monitor_printf(mon, "Warning: Path '%s' is ambiguous\n", path);
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}
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object_property_parse(obj, value, property, &err);
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}
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hmp_handle_error(mon, &err);
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}
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1
hmp.h
1
hmp.h
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@ -97,6 +97,7 @@ void hmp_object_del(Monitor *mon, const QDict *qdict);
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void hmp_info_memdev(Monitor *mon, const QDict *qdict);
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void hmp_info_memory_devices(Monitor *mon, const QDict *qdict);
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void hmp_qom_list(Monitor *mon, const QDict *qdict);
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void hmp_qom_set(Monitor *mon, const QDict *qdict);
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void object_add_completion(ReadLineState *rs, int nb_args, const char *str);
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void object_del_completion(ReadLineState *rs, int nb_args, const char *str);
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void device_add_completion(ReadLineState *rs, int nb_args, const char *str);
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