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https://gitlab.com/libvirt/libvirt.git
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qemu_monitor_json: Follow our coding style
In majority of our functions we have this variable @ret that is overwritten a lot. In other areas of the code we use 'goto cleanup;' just so that this wouldn't happen. But here. Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik
parent
0f4bd97f9c
commit
7884d089d2
@ -1115,17 +1115,20 @@ qemuMonitorJSONHumanCommandWithFd(qemuMonitorPtr mon,
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int
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qemuMonitorJSONSetCapabilities(qemuMonitorPtr mon)
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{
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int ret;
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int ret = -1;
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virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("qmp_capabilities", NULL);
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virJSONValuePtr reply = NULL;
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if (!cmd)
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return -1;
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ret = qemuMonitorJSONCommand(mon, cmd, &reply);
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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goto cleanup;
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if (ret == 0)
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ret = qemuMonitorJSONCheckError(cmd, reply);
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virJSONValueFree(cmd);
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virJSONValueFree(reply);
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return ret;
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@ -1173,17 +1176,20 @@ qemuMonitorJSONStartCPUs(qemuMonitorPtr mon,
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int
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qemuMonitorJSONStopCPUs(qemuMonitorPtr mon)
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{
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int ret;
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int ret = -1;
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virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("stop", NULL);
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virJSONValuePtr reply = NULL;
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if (!cmd)
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return -1;
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ret = qemuMonitorJSONCommand(mon, cmd, &reply);
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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goto cleanup;
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if (ret == 0)
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ret = qemuMonitorJSONCheckError(cmd, reply);
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virJSONValueFree(cmd);
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virJSONValueFree(reply);
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return ret;
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@ -1195,7 +1201,7 @@ qemuMonitorJSONGetStatus(qemuMonitorPtr mon,
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bool *running,
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virDomainPausedReason *reason)
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{
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int ret;
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int ret = -1;
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const char *status;
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virJSONValuePtr cmd;
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virJSONValuePtr reply = NULL;
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@ -1207,15 +1213,11 @@ qemuMonitorJSONGetStatus(qemuMonitorPtr mon,
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if (!(cmd = qemuMonitorJSONMakeCommand("query-status", NULL)))
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return -1;
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ret = qemuMonitorJSONCommand(mon, cmd, &reply);
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if (ret == 0)
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ret = qemuMonitorJSONCheckError(cmd, reply);
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if (ret < 0)
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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goto cleanup;
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ret = -1;
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
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goto cleanup;
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if (!(data = virJSONValueObjectGetObject(reply, "return"))) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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@ -1247,17 +1249,20 @@ qemuMonitorJSONGetStatus(qemuMonitorPtr mon,
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int qemuMonitorJSONSystemPowerdown(qemuMonitorPtr mon)
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{
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int ret;
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int ret = -1;
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virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("system_powerdown", NULL);
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virJSONValuePtr reply = NULL;
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if (!cmd)
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return -1;
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ret = qemuMonitorJSONCommand(mon, cmd, &reply);
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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goto cleanup;
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if (ret == 0)
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ret = qemuMonitorJSONCheckError(cmd, reply);
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virJSONValueFree(cmd);
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virJSONValueFree(reply);
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return ret;
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@ -1268,7 +1273,7 @@ int qemuMonitorJSONSetLink(qemuMonitorPtr mon,
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virDomainNetInterfaceLinkState state)
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{
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int ret;
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int ret = -1;
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virJSONValuePtr reply = NULL;
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virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("set_link",
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"s:name", name,
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@ -1278,28 +1283,35 @@ int qemuMonitorJSONSetLink(qemuMonitorPtr mon,
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if (!cmd)
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return -1;
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if ((ret = qemuMonitorJSONCommand(mon, cmd, &reply)) == 0)
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ret = qemuMonitorJSONCheckError(cmd, reply);
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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goto cleanup;
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virJSONValueFree(cmd);
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virJSONValueFree(reply);
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return ret;
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}
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int qemuMonitorJSONSystemReset(qemuMonitorPtr mon)
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{
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int ret;
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int ret = -1;
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virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("system_reset", NULL);
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virJSONValuePtr reply = NULL;
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if (!cmd)
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return -1;
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ret = qemuMonitorJSONCommand(mon, cmd, &reply);
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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goto cleanup;
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if (ret == 0)
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ret = qemuMonitorJSONCheckError(cmd, reply);
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virJSONValueFree(cmd);
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virJSONValueFree(reply);
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return ret;
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@ -1367,7 +1379,7 @@ qemuMonitorJSONExtractCPUInfo(virJSONValuePtr reply,
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int qemuMonitorJSONGetCPUInfo(qemuMonitorPtr mon,
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int **pids)
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{
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int ret;
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int ret = -1;
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virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("query-cpus",
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NULL);
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virJSONValuePtr reply = NULL;
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@ -1377,14 +1389,14 @@ int qemuMonitorJSONGetCPUInfo(qemuMonitorPtr mon,
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if (!cmd)
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return -1;
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ret = qemuMonitorJSONCommand(mon, cmd, &reply);
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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goto cleanup;
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if (ret == 0)
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ret = qemuMonitorJSONCheckError(cmd, reply);
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if (ret == 0)
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ret = qemuMonitorJSONExtractCPUInfo(reply, pids);
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
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goto cleanup;
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ret = qemuMonitorJSONExtractCPUInfo(reply, pids);
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cleanup:
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virJSONValueFree(cmd);
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virJSONValueFree(reply);
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return ret;
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@ -1394,42 +1406,41 @@ int qemuMonitorJSONGetCPUInfo(qemuMonitorPtr mon,
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int qemuMonitorJSONGetVirtType(qemuMonitorPtr mon,
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virDomainVirtType *virtType)
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{
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int ret;
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int ret = -1;
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virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("query-kvm",
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NULL);
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virJSONValuePtr reply = NULL;
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virJSONValuePtr data;
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bool val = false;
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*virtType = VIR_DOMAIN_VIRT_QEMU;
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if (!cmd)
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return -1;
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ret = qemuMonitorJSONCommand(mon, cmd, &reply);
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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goto cleanup;
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if (ret == 0)
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ret = qemuMonitorJSONCheckError(cmd, reply);
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
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goto cleanup;
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if (ret == 0) {
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virJSONValuePtr data;
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bool val = false;
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if (!(data = virJSONValueObjectGetObject(reply, "return"))) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("info kvm reply was missing return data"));
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ret = -1;
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goto cleanup;
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}
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if (virJSONValueObjectGetBoolean(data, "enabled", &val) < 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("info kvm reply missing 'enabled' field"));
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ret = -1;
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goto cleanup;
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}
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if (val)
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*virtType = VIR_DOMAIN_VIRT_KVM;
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if (!(data = virJSONValueObjectGetObject(reply, "return"))) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("info kvm reply was missing return data"));
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goto cleanup;
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}
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if (virJSONValueObjectGetBoolean(data, "enabled", &val) < 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("info kvm reply missing 'enabled' field"));
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goto cleanup;
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}
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if (val)
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*virtType = VIR_DOMAIN_VIRT_KVM;
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ret = 0;
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cleanup:
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virJSONValueFree(cmd);
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virJSONValueFree(reply);
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@ -1564,7 +1575,9 @@ int
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qemuMonitorJSONGetBalloonInfo(qemuMonitorPtr mon,
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unsigned long long *currmem)
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{
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int ret;
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int ret = -1;
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virJSONValuePtr data;
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unsigned long long mem;
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virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("query-balloon",
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NULL);
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virJSONValuePtr reply = NULL;
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@ -1574,41 +1587,35 @@ qemuMonitorJSONGetBalloonInfo(qemuMonitorPtr mon,
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if (!cmd)
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return -1;
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ret = qemuMonitorJSONCommand(mon, cmd, &reply);
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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goto cleanup;
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if (ret == 0) {
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/* See if balloon soft-failed */
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if (qemuMonitorJSONHasError(reply, "DeviceNotActive") ||
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qemuMonitorJSONHasError(reply, "KVMMissingCap"))
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goto cleanup;
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/* See if any other fatal error occurred */
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ret = qemuMonitorJSONCheckError(cmd, reply);
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/* Success */
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if (ret == 0) {
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virJSONValuePtr data;
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unsigned long long mem;
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if (!(data = virJSONValueObjectGetObject(reply, "return"))) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("info balloon reply was missing return data"));
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ret = -1;
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goto cleanup;
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}
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if (virJSONValueObjectGetNumberUlong(data, "actual", &mem) < 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("info balloon reply was missing balloon data"));
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ret = -1;
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goto cleanup;
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}
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*currmem = (mem/1024);
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ret = 1;
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}
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/* See if balloon soft-failed */
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if (qemuMonitorJSONHasError(reply, "DeviceNotActive") ||
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qemuMonitorJSONHasError(reply, "KVMMissingCap")) {
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ret = 0;
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goto cleanup;
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}
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/* See if any other fatal error occurred */
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
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goto cleanup;
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/* Success */
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if (!(data = virJSONValueObjectGetObject(reply, "return"))) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("info balloon reply was missing return data"));
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goto cleanup;
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}
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if (virJSONValueObjectGetNumberUlong(data, "actual", &mem) < 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("info balloon reply was missing balloon data"));
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goto cleanup;
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}
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*currmem = (mem/1024);
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ret = 1;
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cleanup:
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virJSONValueFree(cmd);
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virJSONValueFree(reply);
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@ -1658,7 +1665,7 @@ int qemuMonitorJSONGetMemoryStats(qemuMonitorPtr mon,
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virDomainMemoryStatPtr stats,
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unsigned int nr_stats)
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{
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int ret;
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int ret = -1;
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virJSONValuePtr cmd = NULL;
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virJSONValuePtr reply = NULL;
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virJSONValuePtr data;
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@ -1682,7 +1689,7 @@ int qemuMonitorJSONGetMemoryStats(qemuMonitorPtr mon,
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NULL)))
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goto cleanup;
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if ((ret = qemuMonitorJSONCommand(mon, cmd, &reply)) < 0)
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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goto cleanup;
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if ((data = virJSONValueObjectGetObject(reply, "error"))) {
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@ -1697,7 +1704,7 @@ int qemuMonitorJSONGetMemoryStats(qemuMonitorPtr mon,
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}
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}
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if ((ret = qemuMonitorJSONCheckError(cmd, reply)) < 0)
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
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goto cleanup;
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if (!(data = virJSONValueObjectGetObject(reply, "return"))) {
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@ -1723,15 +1730,10 @@ int qemuMonitorJSONGetMemoryStats(qemuMonitorPtr mon,
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VIR_DOMAIN_MEMORY_STAT_UNUSED, 1024);
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GET_BALLOON_STATS("stat-total-memory",
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VIR_DOMAIN_MEMORY_STAT_AVAILABLE, 1024);
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ret = got;
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cleanup:
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virJSONValueFree(cmd);
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virJSONValueFree(reply);
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if (got > 0)
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ret = got;
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return ret;
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}
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#undef GET_BALLOON_STATS
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@ -1764,7 +1766,7 @@ qemuMonitorJSONSetMemoryStatsPeriod(qemuMonitorPtr mon,
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int qemuMonitorJSONGetBlockInfo(qemuMonitorPtr mon,
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virHashTablePtr table)
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{
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int ret;
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int ret = -1;
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size_t i;
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virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("query-block",
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@ -1775,13 +1777,11 @@ int qemuMonitorJSONGetBlockInfo(qemuMonitorPtr mon,
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if (!cmd)
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return -1;
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ret = qemuMonitorJSONCommand(mon, cmd, &reply);
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if (ret == 0)
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ret = qemuMonitorJSONCheckError(cmd, reply);
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if (ret < 0)
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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goto cleanup;
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ret = -1;
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
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goto cleanup;
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if (!(devices = virJSONValueObjectGetArray(reply, "return"))) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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@ -1847,7 +1847,6 @@ int qemuMonitorJSONGetBlockInfo(qemuMonitorPtr mon,
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}
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ret = 0;
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cleanup:
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virJSONValueFree(cmd);
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virJSONValueFree(reply);
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@ -2114,7 +2113,7 @@ int qemuMonitorJSONBlockResize(qemuMonitorPtr mon,
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const char *device,
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unsigned long long size)
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{
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int ret;
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int ret = -1;
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virJSONValuePtr cmd;
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virJSONValuePtr reply = NULL;
|
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@ -2125,17 +2124,18 @@ int qemuMonitorJSONBlockResize(qemuMonitorPtr mon,
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if (!cmd)
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return -1;
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ret = qemuMonitorJSONCommand(mon, cmd, &reply);
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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goto cleanup;
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if (ret == 0) {
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if (qemuMonitorJSONHasError(reply, "CommandNotFound")) {
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ret = -2;
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goto cleanup;
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}
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ret = qemuMonitorJSONCheckError(cmd, reply);
|
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if (qemuMonitorJSONHasError(reply, "CommandNotFound")) {
|
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ret = -2;
|
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goto cleanup;
|
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}
|
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|
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
|
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goto cleanup;
|
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|
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ret = 0;
|
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cleanup:
|
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virJSONValueFree(cmd);
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virJSONValueFree(reply);
|
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@ -2145,7 +2145,7 @@ int qemuMonitorJSONBlockResize(qemuMonitorPtr mon,
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int qemuMonitorJSONSetVNCPassword(qemuMonitorPtr mon,
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const char *password)
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{
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int ret;
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int ret = -1;
|
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virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("change",
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"s:device", "vnc",
|
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"s:target", "password",
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@ -2155,11 +2155,14 @@ int qemuMonitorJSONSetVNCPassword(qemuMonitorPtr mon,
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if (!cmd)
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return -1;
|
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|
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ret = qemuMonitorJSONCommand(mon, cmd, &reply);
|
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
|
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goto cleanup;
|
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|
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if (ret == 0)
|
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ret = qemuMonitorJSONCheckError(cmd, reply);
|
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if (qemuMonitorJSONCheckError(cmd, reply) < 0)
|
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goto cleanup;
|
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|
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ret = 0;
|
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cleanup:
|
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virJSONValueFree(cmd);
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virJSONValueFree(reply);
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return ret;
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@ -2171,7 +2174,7 @@ int qemuMonitorJSONSetPassword(qemuMonitorPtr mon,
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const char *password,
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const char *action_if_connected)
|
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{
|
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int ret;
|
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int ret = -1;
|
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virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("set_password",
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"s:protocol", protocol,
|
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"s:password", password,
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@ -2181,17 +2184,18 @@ int qemuMonitorJSONSetPassword(qemuMonitorPtr mon,
|
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if (!cmd)
|
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return -1;
|
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|
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ret = qemuMonitorJSONCommand(mon, cmd, &reply);
|
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if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
|
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goto cleanup;
|
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|
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if (ret == 0) {
|
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if (qemuMonitorJSONHasError(reply, "CommandNotFound")) {
|
||||
ret = -2;
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
ret = qemuMonitorJSONCheckError(cmd, reply);
|
||||
if (qemuMonitorJSONHasError(reply, "CommandNotFound")) {
|
||||
ret = -2;
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
if (qemuMonitorJSONCheckError(cmd, reply) < 0)
|
||||
goto cleanup;
|
||||
|
||||
ret = 0;
|
||||
cleanup:
|
||||
virJSONValueFree(cmd);
|
||||
virJSONValueFree(reply);
|
||||
@ -2203,7 +2207,7 @@ int qemuMonitorJSONExpirePassword(qemuMonitorPtr mon,
|
||||
const char *protocol,
|
||||
const char *expire_time)
|
||||
{
|
||||
int ret;
|
||||
int ret = -1;
|
||||
virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("expire_password",
|
||||
"s:protocol", protocol,
|
||||
"s:time", expire_time,
|
||||
@ -2212,17 +2216,18 @@ int qemuMonitorJSONExpirePassword(qemuMonitorPtr mon,
|
||||
if (!cmd)
|
||||
return -1;
|
||||
|
||||
ret = qemuMonitorJSONCommand(mon, cmd, &reply);
|
||||
if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
|
||||
goto cleanup;
|
||||
|
||||
if (ret == 0) {
|
||||
if (qemuMonitorJSONHasError(reply, "CommandNotFound")) {
|
||||
ret = -2;
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
ret = qemuMonitorJSONCheckError(cmd, reply);
|
||||
if (qemuMonitorJSONHasError(reply, "CommandNotFound")) {
|
||||
ret = -2;
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
if (qemuMonitorJSONCheckError(cmd, reply) < 0)
|
||||
goto cleanup;
|
||||
|
||||
ret = 0;
|
||||
cleanup:
|
||||
virJSONValueFree(cmd);
|
||||
virJSONValueFree(reply);
|
||||
@ -2234,7 +2239,7 @@ int
|
||||
qemuMonitorJSONSetBalloon(qemuMonitorPtr mon,
|
||||
unsigned long long newmem)
|
||||
{
|
||||
int ret;
|
||||
int ret = -1;
|
||||
virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("balloon",
|
||||
"U:value", newmem * 1024,
|
||||
NULL);
|
||||
@ -2242,22 +2247,22 @@ qemuMonitorJSONSetBalloon(qemuMonitorPtr mon,
|
||||
if (!cmd)
|
||||
return -1;
|
||||
|
||||
ret = qemuMonitorJSONCommand(mon, cmd, &reply);
|
||||
if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
|
||||
goto cleanup;
|
||||
|
||||
if (ret == 0) {
|
||||
/* See if balloon soft-failed */
|
||||
if (qemuMonitorJSONHasError(reply, "DeviceNotActive") ||
|
||||
qemuMonitorJSONHasError(reply, "KVMMissingCap"))
|
||||
goto cleanup;
|
||||
|
||||
/* See if any other fatal error occurred */
|
||||
ret = qemuMonitorJSONCheckError(cmd, reply);
|
||||
|
||||
/* Real success */
|
||||
if (ret == 0)
|
||||
ret = 1;
|
||||
/* See if balloon soft-failed */
|
||||
if (qemuMonitorJSONHasError(reply, "DeviceNotActive") ||
|
||||
qemuMonitorJSONHasError(reply, "KVMMissingCap")) {
|
||||
ret = 0;
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
/* See if any other fatal error occurred */
|
||||
if (qemuMonitorJSONCheckError(cmd, reply) < 0)
|
||||
goto cleanup;
|
||||
|
||||
/* Real success */
|
||||
ret = 1;
|
||||
cleanup:
|
||||
virJSONValueFree(cmd);
|
||||
virJSONValueFree(reply);
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user