static ClRcT _clPluginHelperGetIpNodeAddress(const ClCharT *xportType, ClCharT *hostAddress, ClCharT *networkMask, ClCharT *broadcast, ClUint32T *ipAddressMask, ClCharT *xportSubnetPrefix) {
ClCharT envSubNetType[CL_MAX_FIELD_LENGTH] = { 0 };
ClCharT xportSubnet[CL_MAX_FIELD_LENGTH] = { 0 };
ClCharT *subnetMask = NULL;
ClCharT *subnetPrefix = NULL;
ClUint32T CIDR, ipMask, ip, mask;
if (!xportType)
{
return CL_ERR_INVALID_PARAMETER;
}
else
{
snprintf(envSubNetType, CL_MAX_FIELD_LENGTH, "ASP_%s_SUBNET", xportType);
subnetMask = getenv(envSubNetType);
if (subnetMask == NULL)
{
subnetMask = ASP_PLUGIN_SUBNET_DEFAULT;
}
subnetPrefix = strrchr(subnetMask, '/');
if(!subnetPrefix)
{
subnetPrefix = ASP_PLUGIN_SUBNET_PREFIX_DEFAULT;
}
else
{
++subnetPrefix;
}
if(! (CIDR = atoi(subnetPrefix) ) )
{
clLogInfo("IOC", CL_LOG_PLUGIN_HELPER_AREA, "%s", subnetMask);
return CL_ERR_INVALID_PARAMETER;
}
xportSubnetPrefix[0] = 0;
strncat(xportSubnetPrefix, subnetPrefix, CL_MAX_FIELD_LENGTH-1);
snprintf(xportSubnet, sizeof(xportSubnet), "%s", subnetMask);
mask = _clPluginHelperBitFillRShift(CIDR);
_clPluginHelperConvertInternetToHostAddress(&ip, xportSubnet);
/* network address */
ipMask = (ip & mask);
_clPluginHelperConvertHostToInternetAddress(ipMask + gIocLocalBladeAddress, hostAddress);
_clPluginHelperConvertHostToInternetAddress(mask, networkMask);
_clPluginHelperConvertHostToInternetAddress(ip | ~mask, broadcast);
*ipAddressMask = ipMask;
}
return CL_OK;
}
static ClRcT _clPluginHelperGetIpNodeAddress(const ClCharT *xportType, const ClCharT *devIf, ClCharT *hostAddress, ClCharT *networkMask, ClCharT *broadcast, ClUint32T *ipAddressMask, ClCharT *xportSubnetPrefix)
{
ClCharT envSubNetType[CL_MAX_FIELD_LENGTH] = { 0 };
ClCharT xportSubnet[CL_MAX_FIELD_LENGTH] = { 0 };
ClCharT *subnetMask = NULL;
ClCharT *subnetPrefix = NULL;
ClUint32T CIDR, ipMask, ip, mask;
ClRcT rc;
if (!xportType)
{
return CL_ERR_INVALID_PARAMETER;
}
else
{
snprintf(envSubNetType, CL_MAX_FIELD_LENGTH, "ASP_%s_SUBNET", xportType);
subnetMask = getenv(envSubNetType);
if (subnetMask == NULL)
{
subnetMask = ASP_PLUGIN_SUBNET_DEFAULT;
}
subnetPrefix = strrchr(subnetMask, '/');
if(!subnetPrefix)
{
subnetPrefix = ASP_PLUGIN_SUBNET_PREFIX_DEFAULT;
}
else
{
++subnetPrefix;
}
if(! (CIDR = atoi(subnetPrefix) ) )
{
clLogInfo("IOC", CL_LOG_PLUGIN_HELPER_AREA, "%s", subnetMask);
return CL_ERR_INVALID_PARAMETER;
}
xportSubnetPrefix[0] = 0;
strncat(xportSubnetPrefix, subnetPrefix, CL_MAX_FIELD_LENGTH-1);
snprintf(xportSubnet, sizeof(xportSubnet), "%s", subnetMask);
mask = _clPluginHelperBitFillRShift(CIDR);
_clPluginHelperConvertInternetToHostAddress(&ip, xportSubnet);
/* network address */
ipMask = (ip & mask);
/* Try to get address from devif */
rc = CL_OK+1; /* start with any error condition, so the if below this one will be taken */
if (clParseEnvBoolean("ASP_UDP_USE_EXISTING_IP"))
{
rc = _clPluginHelperDevToIpAddress(devIf, hostAddress);
if (rc == CL_OK) clLogInfo("IOC",CL_LOG_PLUGIN_HELPER_AREA,"Use existing IP address [%s] as this nodes transport address.", hostAddress);
else clLogError("IOC",CL_LOG_PLUGIN_HELPER_AREA,"Configured to use an existing IP address for message transport. But address lookup failed on device [%s] error [0x%x]", devIf, rc);
}
if (rc != CL_OK)
{
/* Automatic assignment of IP address */
_clPluginHelperConvertHostToInternetAddress(ipMask + gIocLocalBladeAddress, hostAddress);
}
_clPluginHelperConvertHostToInternetAddress(mask, networkMask);
_clPluginHelperConvertHostToInternetAddress(ip | ~mask, broadcast);
*ipAddressMask = ipMask;
}
return CL_OK;
}