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qemu: allow qmp probing for cmdline options without params

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That can be lately achieved with by having .param == NULL in the
virQEMUCapsCommandLineProps struct.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Martin Kletzander 2014-06-17 13:41:16 +02:00
parent 1a7be8c600
commit 7bc1db5a1d
6 changed files with 40 additions and 10 deletions
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10
src/qemu/qemu_capabilities.c
View File

@ -2429,6 +2429,7 @@ static int
virQEMUCapsProbeQMPCommandLine(virQEMUCapsPtr qemuCaps,
qemuMonitorPtr mon)
{
bool found = false;
int nvalues;
char **values;
size_t i, j;
@ -2436,10 +2437,15 @@ virQEMUCapsProbeQMPCommandLine(virQEMUCapsPtr qemuCaps,
for (i = 0; i < ARRAY_CARDINALITY(virQEMUCapsCommandLine); i++) {
if ((nvalues = qemuMonitorGetCommandLineOptionParameters(mon,
virQEMUCapsCommandLine[i].option,
&values)) < 0)
&values,
&found)) < 0)
return -1;
if (found && !virQEMUCapsCommandLine[i].param)
virQEMUCapsSet(qemuCaps, virQEMUCapsCommandLine[i].flag);
for (j = 0; j < nvalues; j++) {
if (STREQ(virQEMUCapsCommandLine[i].param, values[j])) {
if (STREQ_NULLABLE(virQEMUCapsCommandLine[i].param, values[j])) {
virQEMUCapsSet(qemuCaps, virQEMUCapsCommandLine[i].flag);
break;
}

6
src/qemu/qemu_monitor.c
View File

@ -3659,7 +3659,8 @@ int qemuMonitorGetEvents(qemuMonitorPtr mon,
int
qemuMonitorGetCommandLineOptionParameters(qemuMonitorPtr mon,
const char *option,
char ***params)
char ***params,
bool *found)
{
VIR_DEBUG("mon=%p option=%s params=%p", mon, option, params);
@ -3675,7 +3676,8 @@ qemuMonitorGetCommandLineOptionParameters(qemuMonitorPtr mon,
return -1;
}
return qemuMonitorJSONGetCommandLineOptionParameters(mon, option, params);
return qemuMonitorJSONGetCommandLineOptionParameters(mon, option,
params, found);
}

3
src/qemu/qemu_monitor.h
View File

@ -748,7 +748,8 @@ int qemuMonitorGetEvents(qemuMonitorPtr mon,
char ***events);
int qemuMonitorGetCommandLineOptionParameters(qemuMonitorPtr mon,
const char *option,
char ***params);
char ***params,
bool *found);
int qemuMonitorGetKVMState(qemuMonitorPtr mon,
bool *enabled,

8
src/qemu/qemu_monitor_json.c
View File

@ -4504,7 +4504,8 @@ int qemuMonitorJSONGetEvents(qemuMonitorPtr mon,
int
qemuMonitorJSONGetCommandLineOptionParameters(qemuMonitorPtr mon,
const char *option,
char ***params)
char ***params,
bool *found)
{
int ret;
virJSONValuePtr cmd = NULL;
@ -4516,6 +4517,8 @@ qemuMonitorJSONGetCommandLineOptionParameters(qemuMonitorPtr mon,
size_t i;
*params = NULL;
if (found)
*found = false;
/* query-command-line-options has fixed output for a given qemu
* binary; but since callers want to query parameters for one
@ -4576,6 +4579,9 @@ qemuMonitorJSONGetCommandLineOptionParameters(qemuMonitorPtr mon,
goto cleanup;
}
if (found)
*found = true;
if ((n = virJSONValueArraySize(data)) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("query-command-line-options parameter data was not "

3
src/qemu/qemu_monitor_json.h
View File

@ -332,7 +332,8 @@ int qemuMonitorJSONGetEvents(qemuMonitorPtr mon,
ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONGetCommandLineOptionParameters(qemuMonitorPtr mon,
const char *option,
char ***params)
char ***params,
bool *found)
ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
int qemuMonitorJSONGetKVMState(qemuMonitorPtr mon,

20
tests/qemumonitorjsontest.c
View File

@ -583,6 +583,7 @@ testQemuMonitorJSONGetCommandLineOptionParameters(const void *data)
int ret = -1;
char **params = NULL;
int nparams = 0;
bool found = false;
if (!test)
return -1;
@ -604,7 +605,8 @@ testQemuMonitorJSONGetCommandLineOptionParameters(const void *data)
/* present with params */
if ((nparams = qemuMonitorGetCommandLineOptionParameters(qemuMonitorTestGetMonitor(test),
"option-rom",
&params)) < 0)
&params,
NULL)) < 0)
goto cleanup;
if (nparams != 2) {
@ -634,7 +636,8 @@ testQemuMonitorJSONGetCommandLineOptionParameters(const void *data)
/* present but empty */
if ((nparams = qemuMonitorGetCommandLineOptionParameters(qemuMonitorTestGetMonitor(test),
"acpi",
&params)) < 0)
&params,
&found)) < 0)
goto cleanup;
if (nparams != 0) {
@ -642,6 +645,11 @@ testQemuMonitorJSONGetCommandLineOptionParameters(const void *data)
"nparams was %d, expected 0", nparams);
goto cleanup;
}
if (!found) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
"found was false, expected true");
goto cleanup;
}
if (params && params[0]) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
"unexpected array contents");
@ -654,7 +662,8 @@ testQemuMonitorJSONGetCommandLineOptionParameters(const void *data)
/* no such option */
if ((nparams = qemuMonitorGetCommandLineOptionParameters(qemuMonitorTestGetMonitor(test),
"foobar",
&params)) < 0)
&params,
&found)) < 0)
goto cleanup;
if (nparams != 0) {
@ -662,6 +671,11 @@ testQemuMonitorJSONGetCommandLineOptionParameters(const void *data)
"nparams was %d, expected 0", nparams);
goto cleanup;
}
if (found) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
"found was true, expected false");
goto cleanup;
}
if (params && params[0]) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
"unexpected array contents");