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qemu: Use virJSONValueObjectGetStringArray() more

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In a few commit back (v6.10.0-5-gb3dad96972) a new helper for
obtaining string arrays from a virJSONObject was introduced:
virJSONValueObjectGetStringArray(). I've identified three places
where it can be used instead of open coding it:
qemuAgentSSHGetAuthorizedKeys(),
qemuMonitorJSONGetStringListProperty() and
qemuMonitorJSONGetCPUDefinitions().

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Michal Privoznik 2020-12-01 11:47:30 +01:00
parent 043b50b948
commit 6e91453bb6
2 changed files with 11 additions and 76 deletions
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30
src/qemu/qemu_agent.c
View File

@ -2533,9 +2533,6 @@ qemuAgentSSHGetAuthorizedKeys(qemuAgentPtr agent,
g_autoptr(virJSONValue) cmd = NULL;
g_autoptr(virJSONValue) reply = NULL;
virJSONValuePtr data = NULL;
size_t ndata;
size_t i;
char **keys_ret = NULL;
if (!(cmd = qemuAgentMakeCommand("guest-ssh-get-authorized-keys",
"s:username", user,
@ -2545,35 +2542,16 @@ qemuAgentSSHGetAuthorizedKeys(qemuAgentPtr agent,
if (qemuAgentCommand(agent, cmd, &reply, agent->timeout) < 0)
return -1;
if (!(data = virJSONValueObjectGetObject(reply, "return")) ||
!(data = virJSONValueObjectGetArray(data, "keys"))) {
if (!(data = virJSONValueObjectGetObject(reply, "return"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("qemu agent didn't return an array of keys"));
return -1;
}
ndata = virJSONValueArraySize(data);
if (!(*keys = virJSONValueObjectGetStringArray(data, "keys")))
return -1;
keys_ret = g_new0(char *, ndata + 1);
for (i = 0; i < ndata; i++) {
virJSONValuePtr entry = virJSONValueArrayGet(data, i);
if (!entry) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("array element missing in guest-ssh-get-authorized-keys return value"));
goto error;
}
keys_ret[i] = g_strdup(virJSONValueGetString(entry));
}
*keys = g_steal_pointer(&keys_ret);
return ndata;
error:
virStringListFreeCount(keys_ret, ndata);
return -1;
return g_strv_length(*keys);
}

57
src/qemu/qemu_monitor_json.c
View File

@ -5931,41 +5931,17 @@ qemuMonitorJSONGetCPUDefinitions(qemuMonitorPtr mon,
cpu->type = g_strdup(tmp);
if (virJSONValueObjectHasKey(child, "unavailable-features")) {
virJSONValuePtr blockers;
size_t j;
size_t len;
blockers = virJSONValueObjectGetArray(child,
"unavailable-features");
if (!blockers) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("unavailable-features in query-cpu-definitions "
"reply data was not an array"));
if (!(cpu->blockers = virJSONValueObjectGetStringArray(child,
"unavailable-features")))
return -1;
}
len = virJSONValueArraySize(blockers);
if (len == 0) {
if (g_strv_length(cpu->blockers) == 0) {
cpu->usable = VIR_DOMCAPS_CPU_USABLE_YES;
g_clear_pointer(&cpu->blockers, g_strfreev);
continue;
}
cpu->usable = VIR_DOMCAPS_CPU_USABLE_NO;
cpu->blockers = g_new0(char *, len + 1);
for (j = 0; j < len; j++) {
virJSONValuePtr blocker = virJSONValueArrayGet(blockers, j);
if (virJSONValueGetType(blocker) != VIR_JSON_TYPE_STRING) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("unexpected value in unavailable-features "
"array"));
return -1;
}
cpu->blockers[j] = g_strdup(virJSONValueGetString(blocker));
}
}
}
@ -6787,10 +6763,6 @@ qemuMonitorJSONGetStringListProperty(qemuMonitorPtr mon,
{
g_autoptr(virJSONValue) cmd = NULL;
g_autoptr(virJSONValue) reply = NULL;
VIR_AUTOSTRINGLIST list = NULL;
virJSONValuePtr data;
size_t n;
size_t i;
*strList = NULL;
@ -6806,25 +6778,10 @@ qemuMonitorJSONGetStringListProperty(qemuMonitorPtr mon,
if (qemuMonitorJSONCheckReply(cmd, reply, VIR_JSON_TYPE_ARRAY) < 0)
return -1;
data = virJSONValueObjectGetArray(reply, "return");
n = virJSONValueArraySize(data);
if (!(*strList = virJSONValueObjectGetStringArray(reply, "return")))
return -1;
list = g_new0(char *, n + 1);
for (i = 0; i < n; i++) {
virJSONValuePtr item = virJSONValueArrayGet(data, i);
if (virJSONValueGetType(item) != VIR_JSON_TYPE_STRING) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unexpected value in %s array"), property);
return -1;
}
list[i] = g_strdup(virJSONValueGetString(item));
}
*strList = g_steal_pointer(&list);
return n;
return g_strv_length(*strList);
}