提交 2ccaa8e6 编写于 作者: D Daniel P. Berrange

Add a qemuMonitorGetObjectTypes() method for QMP qom-list-types command

Add a new qemuMonitorGetObjectTypes() method to support invocation
of the 'qom-list-types' JSON monitor command. No HMP equivalent
is required, since this will only be present for QEMU >= 1.2
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>
上级 3b565d3f
......@@ -3141,3 +3141,25 @@ int qemuMonitorGetEvents(qemuMonitorPtr mon,
return qemuMonitorJSONGetEvents(mon, events);
}
int qemuMonitorGetObjectTypes(qemuMonitorPtr mon,
char ***types)
{
VIR_DEBUG("mon=%p types=%p",
mon, types);
if (!mon) {
virReportError(VIR_ERR_INVALID_ARG, "%s",
_("monitor must not be NULL"));
return -1;
}
if (!mon->json) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("JSON monitor is required"));
return -1;
}
return qemuMonitorJSONGetObjectTypes(mon, types);
}
......@@ -601,6 +601,9 @@ int qemuMonitorGetCommands(qemuMonitorPtr mon,
int qemuMonitorGetEvents(qemuMonitorPtr mon,
char ***events);
int qemuMonitorGetObjectTypes(qemuMonitorPtr mon,
char ***types);
/**
* When running two dd process and using <> redirection, we need a
......
......@@ -4218,3 +4218,77 @@ cleanup:
virJSONValueFree(reply);
return ret;
}
int qemuMonitorJSONGetObjectTypes(qemuMonitorPtr mon,
char ***types)
{
int ret;
virJSONValuePtr cmd;
virJSONValuePtr reply = NULL;
virJSONValuePtr data;
char **typelist = NULL;
int n = 0;
size_t i;
*types = NULL;
if (!(cmd = qemuMonitorJSONMakeCommand("qom-list-types", NULL)))
return -1;
ret = qemuMonitorJSONCommand(mon, cmd, &reply);
if (ret == 0)
ret = qemuMonitorJSONCheckError(cmd, reply);
if (ret < 0)
goto cleanup;
ret = -1;
if (!(data = virJSONValueObjectGet(reply, "return"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("qom-list-types reply was missing return data"));
goto cleanup;
}
if ((n = virJSONValueArraySize(data)) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("qom-list-types reply data was not an array"));
goto cleanup;
}
if (VIR_ALLOC_N(typelist, n) < 0) {
virReportOOMError();
goto cleanup;
}
for (i = 0 ; i < n ; i++) {
virJSONValuePtr child = virJSONValueArrayGet(data, i);
const char *tmp;
if (!(tmp = virJSONValueObjectGetString(child, "name"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("qom-list-types reply data was missing 'name'"));
goto cleanup;
}
if (!(typelist[i] = strdup(tmp))) {
virReportOOMError();
goto cleanup;
}
}
ret = n;
*types = typelist;
cleanup:
if (ret < 0 && typelist) {
for (i = 0 ; i < n ; i++)
VIR_FREE(typelist[i]);
VIR_FREE(typelist);
}
virJSONValueFree(cmd);
virJSONValueFree(reply);
return ret;
}
......@@ -305,4 +305,8 @@ int qemuMonitorJSONGetEvents(qemuMonitorPtr mon,
char ***events)
ATTRIBUTE_NONNULL(2);
int qemuMonitorJSONGetObjectTypes(qemuMonitorPtr mon,
char ***types)
ATTRIBUTE_NONNULL(2);
#endif /* QEMU_MONITOR_JSON_H */
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