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virQEMUBuildCommandLineJSON: Add possibility for using 'on/off' instead of 'yes/no'

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In some cases we use 'on/off' for command line arguments. Add a switch
which will select the preferred spelling for a specific usage.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Peter Krempa 2020-05-14 22:45:24 +02:00
parent 220751091f
commit 3cc35bf88e
3 changed files with 37 additions and 19 deletions
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44
src/util/virqemu.c
View File

@ -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;

10
src/util/virqemu.h
View File

@ -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,

2
tests/qemucommandutiltest.c
View File

@ -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);