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leaseshelper: reduce indentation level in virLeaseReadCustomLeaseFile

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Instead of nested ifs, jump out early.

Mostly whitespace changes.
This commit is contained in:
Ján Tomko 2016-01-15 09:07:17 +01:00
parent d7049a67b6
commit ce9085eba1
1 changed files with 65 additions and 61 deletions
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126
src/network/leaseshelper.c
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@ -132,74 +132,78 @@ virLeaseReadCustomLeaseFile(virJSONValuePtr leases_array_new,
}
/* Check for previous leases */
if (custom_lease_file_len) {
if (!(leases_array = virJSONValueFromString(lease_entries))) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("invalid json in file: %s, rewriting it"),
custom_lease_file);
} else {
if (!virJSONValueIsArray(leases_array)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("couldn't fetch array of leases"));
goto cleanup;
}
if (custom_lease_file_len == 0) {
ret = 0;
goto cleanup;
}
i = 0;
while (i < virJSONValueArraySize(leases_array)) {
if (!(leases_array = virJSONValueFromString(lease_entries))) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("invalid json in file: %s, rewriting it"),
custom_lease_file);
ret = 0;
goto cleanup;
}
if (!(lease_tmp = virJSONValueArrayGet(leases_array, i))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to parse json"));
if (!virJSONValueIsArray(leases_array)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("couldn't fetch array of leases"));
goto cleanup;
}
i = 0;
while (i < virJSONValueArraySize(leases_array)) {
if (!(lease_tmp = virJSONValueArrayGet(leases_array, i))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to parse json"));
goto cleanup;
}
if (!(ip_tmp = virJSONValueObjectGetString(lease_tmp, "ip-address")) ||
(virJSONValueObjectGetNumberLong(lease_tmp, "expiry-time", &expirytime) < 0)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to parse json"));
goto cleanup;
}
/* Check whether lease has expired or not */
if (expirytime < currtime) {
i++;
continue;
}
/* Check whether lease has to be included or not */
if (ip_to_delete && STREQ(ip_tmp, ip_to_delete)) {
i++;
continue;
}
if (strchr(ip_tmp, ':')) {
/* This is an ipv6 lease */
if ((server_duid_tmp
= virJSONValueObjectGetString(lease_tmp, "server-duid"))) {
if (!*server_duid && VIR_STRDUP(*server_duid, server_duid_tmp) < 0) {
/* Control reaches here when the 'action' is not for an
* ipv6 lease or, for some weird reason the env var
* DNSMASQ_SERVER_DUID wasn't set*/
goto cleanup;
}
if (!(ip_tmp = virJSONValueObjectGetString(lease_tmp, "ip-address")) ||
(virJSONValueObjectGetNumberLong(lease_tmp, "expiry-time", &expirytime) < 0)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to parse json"));
} else {
/* Inject server-duid into those ipv6 leases which
* didn't have it previously, for example, those
* created by leaseshelper from libvirt 1.2.6 */
if (virJSONValueObjectAppendString(lease_tmp, "server-duid", *server_duid) < 0)
goto cleanup;
}
/* Check whether lease has expired or not */
if (expirytime < currtime) {
i++;
continue;
}
/* Check whether lease has to be included or not */
if (ip_to_delete && STREQ(ip_tmp, ip_to_delete)) {
i++;
continue;
}
if (strchr(ip_tmp, ':')) {
/* This is an ipv6 lease */
if ((server_duid_tmp
= virJSONValueObjectGetString(lease_tmp, "server-duid"))) {
if (!*server_duid && VIR_STRDUP(*server_duid, server_duid_tmp) < 0) {
/* Control reaches here when the 'action' is not for an
* ipv6 lease or, for some weird reason the env var
* DNSMASQ_SERVER_DUID wasn't set*/
goto cleanup;
}
} else {
/* Inject server-duid into those ipv6 leases which
* didn't have it previously, for example, those
* created by leaseshelper from libvirt 1.2.6 */
if (virJSONValueObjectAppendString(lease_tmp, "server-duid", *server_duid) < 0)
goto cleanup;
}
}
/* Move old lease to new array */
if (virJSONValueArrayAppend(leases_array_new, lease_tmp) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to create json"));
goto cleanup;
}
ignore_value(virJSONValueArraySteal(leases_array, i));
}
}
/* Move old lease to new array */
if (virJSONValueArrayAppend(leases_array_new, lease_tmp) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to create json"));
goto cleanup;
}
ignore_value(virJSONValueArraySteal(leases_array, i));
}
ret = 0;