[PATCH 08/21] virQEMUBuildCommandLineJSON: Add possibility for using 'on/off' instead of 'yes/no'
Peter Krempa
pkrempa at redhat.com
Fri May 15 15:27:54 UTC 2020
In some cases we use 'on/off' for command line arguments. Add a switch
which will select the prefred spelling for a specific usage.
Signed-off-by: Peter Krempa <pkrempa at redhat.com>
---
src/util/virqemu.c | 44 ++++++++++++++++++++++++-------------
src/util/virqemu.h | 10 ++++++---
tests/qemucommandutiltest.c | 2 +-
3 files changed, 37 insertions(+), 19 deletions(-)
diff --git a/src/util/virqemu.c b/src/util/virqemu.c
index 0e6fa412bc..549f88fcd5 100644
--- a/src/util/virqemu.c
+++ b/src/util/virqemu.c
@@ -37,6 +37,7 @@ struct virQEMUCommandLineJSONIteratorData {
const char *prefix;
virBufferPtr buf;
const char *skipKey;
+ bool onOff;
virQEMUBuildCommandLineJSONArrayFormatFunc arrayFunc;
};
@@ -46,6 +47,7 @@ virQEMUBuildCommandLineJSONRecurse(const char *key,
virJSONValuePtr value,
virBufferPtr buf,
const char *skipKey,
+ bool onOff,
virQEMUBuildCommandLineJSONArrayFormatFunc arrayFunc,
bool nested);
@@ -55,7 +57,8 @@ int
virQEMUBuildCommandLineJSONArrayBitmap(const char *key,
virJSONValuePtr array,
virBufferPtr buf,
- const char *skipKey G_GNUC_UNUSED)
+ const char *skipKey G_GNUC_UNUSED,
+ bool onOff G_GNUC_UNUSED)
{
ssize_t pos = -1;
ssize_t end;
@@ -84,7 +87,8 @@ int
virQEMUBuildCommandLineJSONArrayNumbered(const char *key,
virJSONValuePtr array,
virBufferPtr buf,
- const char *skipKey)
+ const char *skipKey,
+ bool onOff)
{
virJSONValuePtr member;
size_t i;
@@ -95,7 +99,7 @@ virQEMUBuildCommandLineJSONArrayNumbered(const char *key,
prefix = g_strdup_printf("%s.%zu", key, i);
- if (virQEMUBuildCommandLineJSONRecurse(prefix, member, buf, skipKey,
+ if (virQEMUBuildCommandLineJSONRecurse(prefix, member, buf, skipKey, onOff,
virQEMUBuildCommandLineJSONArrayNumbered,
true) < 0)
return 0;
@@ -122,11 +126,11 @@ virQEMUBuildCommandLineJSONIterate(const char *key,
tmpkey = g_strdup_printf("%s.%s", data->prefix, key);
return virQEMUBuildCommandLineJSONRecurse(tmpkey, value, data->buf,
- data->skipKey,
+ data->skipKey, data->onOff,
data->arrayFunc, false);
} else {
return virQEMUBuildCommandLineJSONRecurse(key, value, data->buf,
- data->skipKey,
+ data->skipKey, data->onOff,
data->arrayFunc, false);
}
}
@@ -137,10 +141,11 @@ virQEMUBuildCommandLineJSONRecurse(const char *key,
virJSONValuePtr value,
virBufferPtr buf,
const char *skipKey,
+ bool onOff,
virQEMUBuildCommandLineJSONArrayFormatFunc arrayFunc,
bool nested)
{
- struct virQEMUCommandLineJSONIteratorData data = { key, buf, skipKey, arrayFunc };
+ struct virQEMUCommandLineJSONIteratorData data = { key, buf, skipKey, onOff, arrayFunc };
virJSONType type = virJSONValueGetType(value);
virJSONValuePtr elem;
bool tmp;
@@ -165,10 +170,17 @@ virQEMUBuildCommandLineJSONRecurse(const char *key,
case VIR_JSON_TYPE_BOOLEAN:
virJSONValueGetBoolean(value, &tmp);
- if (tmp)
- virBufferAsprintf(buf, "%s=yes,", key);
- else
- virBufferAsprintf(buf, "%s=no,", key);
+ if (onOff) {
+ if (tmp)
+ virBufferAsprintf(buf, "%s=on,", key);
+ else
+ virBufferAsprintf(buf, "%s=off,", key);
+ } else {
+ if (tmp)
+ virBufferAsprintf(buf, "%s=yes,", key);
+ else
+ virBufferAsprintf(buf, "%s=no,", key);
+ }
break;
@@ -180,7 +192,7 @@ virQEMUBuildCommandLineJSONRecurse(const char *key,
return -1;
}
- if (!arrayFunc || arrayFunc(key, value, buf, skipKey) < 0) {
+ if (!arrayFunc || arrayFunc(key, value, buf, skipKey, onOff) < 0) {
/* fallback, treat the array as a non-bitmap, adding the key
* for each member */
for (i = 0; i < virJSONValueArraySize(value); i++) {
@@ -188,7 +200,7 @@ virQEMUBuildCommandLineJSONRecurse(const char *key,
/* recurse to avoid duplicating code */
if (virQEMUBuildCommandLineJSONRecurse(key, elem, buf, skipKey,
- arrayFunc, true) < 0)
+ onOff, arrayFunc, true) < 0)
return -1;
}
}
@@ -216,6 +228,7 @@ virQEMUBuildCommandLineJSONRecurse(const char *key,
* @value: json object containing the value
* @buf: otuput buffer
* @skipKey: name of key that will be handled separately by caller
+ * @onOff: Use 'on' and 'off' for boolean values rather than 'yes' and 'no'
* @arrayFunc: array formatter function to allow for different syntax
*
* Formats JSON value object into command line parameters suitable for use with
@@ -227,9 +240,10 @@ int
virQEMUBuildCommandLineJSON(virJSONValuePtr value,
virBufferPtr buf,
const char *skipKey,
+ bool onOff,
virQEMUBuildCommandLineJSONArrayFormatFunc array)
{
- if (virQEMUBuildCommandLineJSONRecurse(NULL, value, buf, skipKey, array, false) < 0)
+ if (virQEMUBuildCommandLineJSONRecurse(NULL, value, buf, skipKey, onOff, array, false) < 0)
return -1;
virBufferTrim(buf, ",");
@@ -255,7 +269,7 @@ virQEMUBuildObjectCommandlineFromJSONInternal(virBufferPtr buf,
if (props) {
virBufferAddLit(buf, ",");
- if (virQEMUBuildCommandLineJSON(props, buf, NULL,
+ if (virQEMUBuildCommandLineJSON(props, buf, NULL, false,
virQEMUBuildCommandLineJSONArrayBitmap) < 0)
return -1;
}
@@ -282,7 +296,7 @@ virQEMUBuildDriveCommandlineFromJSON(virJSONValuePtr srcdef)
virBuffer buf = VIR_BUFFER_INITIALIZER;
char *ret = NULL;
- if (virQEMUBuildCommandLineJSON(srcdef, &buf, NULL,
+ if (virQEMUBuildCommandLineJSON(srcdef, &buf, NULL, false,
virQEMUBuildCommandLineJSONArrayNumbered) < 0)
goto cleanup;
diff --git a/src/util/virqemu.h b/src/util/virqemu.h
index 9d3db7c2a2..67a5711613 100644
--- a/src/util/virqemu.h
+++ b/src/util/virqemu.h
@@ -30,19 +30,23 @@
typedef int (*virQEMUBuildCommandLineJSONArrayFormatFunc)(const char *key,
virJSONValuePtr array,
virBufferPtr buf,
- const char *skipKey);
+ const char *skipKey,
+ bool onOff);
int virQEMUBuildCommandLineJSONArrayBitmap(const char *key,
virJSONValuePtr array,
virBufferPtr buf,
- const char *skipKey);
+ const char *skipKey,
+ bool onOff);
int virQEMUBuildCommandLineJSONArrayNumbered(const char *key,
virJSONValuePtr array,
virBufferPtr buf,
- const char *skipKey);
+ const char *skipKey,
+ bool onOff);
int virQEMUBuildCommandLineJSON(virJSONValuePtr value,
virBufferPtr buf,
const char *skipKey,
+ bool onOff,
virQEMUBuildCommandLineJSONArrayFormatFunc array);
int virQEMUBuildObjectCommandlineFromJSON(virBufferPtr buf,
diff --git a/tests/qemucommandutiltest.c b/tests/qemucommandutiltest.c
index 923776e642..049fd2f0b0 100644
--- a/tests/qemucommandutiltest.c
+++ b/tests/qemucommandutiltest.c
@@ -47,7 +47,7 @@ testQemuCommandBuildFromJSON(const void *opaque)
return -1;
}
- if (virQEMUBuildCommandLineJSON(val, &buf, NULL, data->arrayfunc) < 0) {
+ if (virQEMUBuildCommandLineJSON(val, &buf, NULL, false, data->arrayfunc) < 0) {
fprintf(stderr,
"\nvirQEMUBuildCommandlineJSON failed process JSON:\n%s\n",
data->props);
--
2.26.2
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