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[Qemu-devel] [PATCH 2/2] qom: Implement qom-get HMP command
From: |
Dr. David Alan Gilbert (git) |
Subject: |
[Qemu-devel] [PATCH 2/2] qom: Implement qom-get HMP command |
Date: |
Thu, 25 Aug 2016 10:37:13 +0100 |
From: "Dr. David Alan Gilbert" <address@hidden>
Reimplement it based on qmp_qom_get() to avoid converting QObjects back
to strings.
Inspired-by: Paolo Bonzini <address@hidden>
Signed-off-by: Andreas Färber <address@hidden>
Slight fix for bit-rot:
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
hmp-commands.hx | 13 +++++++++++++
hmp.c | 23 +++++++++++++++++++++++
hmp.h | 1 +
3 files changed, 37 insertions(+)
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 848efee..73f0372 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1736,6 +1736,19 @@ Print QOM properties of object at location @var{path}
ETEXI
{
+ .name = "qom-get",
+ .args_type = "path:s,property:s",
+ .params = "path property",
+ .help = "print QOM property",
+ .mhandler.cmd = hmp_qom_get,
+ },
+
+STEXI
address@hidden qom-get @var{path} @var{property}
+Print QOM property @var{property} of object at location @var{path}
+ETEXI
+
+ {
.name = "qom-set",
.args_type = "path:s,property:s,value:s",
.params = "path property value",
diff --git a/hmp.c b/hmp.c
index cc2056e..17e6b06 100644
--- a/hmp.c
+++ b/hmp.c
@@ -2064,6 +2064,29 @@ void hmp_qom_list(Monitor *mon, const QDict *qdict)
hmp_handle_error(mon, &err);
}
+void hmp_qom_get(Monitor *mon, const QDict *qdict)
+{
+ const char *path = qdict_get_str(qdict, "path");
+ const char *property = qdict_get_str(qdict, "property");
+ Error *err = NULL;
+ Object *obj;
+ char *value;
+
+ obj = object_resolve_path(path, NULL);
+ if (obj == NULL) {
+ error_set(&err, ERROR_CLASS_DEVICE_NOT_FOUND,
+ "Device '%s' not found", path);
+ hmp_handle_error(mon, &err);
+ return;
+ }
+ value = object_property_print(obj, property, true, &err);
+ if (err == NULL) {
+ monitor_printf(mon, "%s\n", value);
+ g_free(value);
+ }
+ hmp_handle_error(mon, &err);
+}
+
void hmp_qom_set(Monitor *mon, const QDict *qdict)
{
const char *path = qdict_get_str(qdict, "path");
diff --git a/hmp.h b/hmp.h
index 0876ec0..882f339 100644
--- a/hmp.h
+++ b/hmp.h
@@ -103,6 +103,7 @@ void hmp_object_del(Monitor *mon, const QDict *qdict);
void hmp_info_memdev(Monitor *mon, const QDict *qdict);
void hmp_info_memory_devices(Monitor *mon, const QDict *qdict);
void hmp_qom_list(Monitor *mon, const QDict *qdict);
+void hmp_qom_get(Monitor *mon, const QDict *qdict);
void hmp_qom_set(Monitor *mon, const QDict *qdict);
void object_add_completion(ReadLineState *rs, int nb_args, const char *str);
void object_del_completion(ReadLineState *rs, int nb_args, const char *str);
--
2.7.4