diff options
author | Dan Timoney <dtimoney@att.com> | 2017-11-09 15:18:24 -0500 |
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committer | Dan Timoney <dtimoney@att.com> | 2017-11-09 16:27:49 -0500 |
commit | 292cce64a1a610283306a5f2280c787d8edb916d (patch) | |
tree | a1ca7b1de98fe7e8515522152c3fdefe1cc2ceb9 /dmaap-listener/src/main | |
parent | 2f9282706b2eaca0c271d6da27b3dbc0692accc2 (diff) |
Add dhcp event handler
Add event handler for DHCP event
Change-Id: I2e23ace8ae481bf100f236a4e2723d721eec3470
Issue-ID: CCSDK-142
Signed-off-by: Dan Timoney <dtimoney@att.com>
Diffstat (limited to 'dmaap-listener/src/main')
-rw-r--r-- | dmaap-listener/src/main/java/org/onap/ccsdk/sli/northbound/dmaapclient/SdncDhcpEventConsumer.java | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/dmaap-listener/src/main/java/org/onap/ccsdk/sli/northbound/dmaapclient/SdncDhcpEventConsumer.java b/dmaap-listener/src/main/java/org/onap/ccsdk/sli/northbound/dmaapclient/SdncDhcpEventConsumer.java new file mode 100644 index 00000000..666ed68e --- /dev/null +++ b/dmaap-listener/src/main/java/org/onap/ccsdk/sli/northbound/dmaapclient/SdncDhcpEventConsumer.java @@ -0,0 +1,136 @@ +package org.onap.ccsdk.sli.northbound.dmaapclient; + +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.sql.SQLException; +import java.util.Iterator; +import java.util.Map; +import java.util.Properties; + +import org.onap.ccsdk.sli.core.dblib.DBResourceManager; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.fasterxml.jackson.databind.JsonNode; +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.node.ObjectNode; + +public class SdncDhcpEventConsumer extends SdncDmaapConsumer { + private static final Logger LOG = LoggerFactory.getLogger(SdncDhcpEventConsumer.class); + + private static final String MAC_ADDR_TAG = "macaddr"; + private static final String MSG_NAME_TAG = "msg_name"; + private static final String IP_ADDR_TAG = "yiaddr"; + + private static DBResourceManager jdbcDataSource = null; + private static final String SDNC_CONFIG_DIR = "SDNC_CONFIG_DIR"; + + private class MissingDhcpAttributeException extends InvalidMessageException { + + public MissingDhcpAttributeException(String fieldName) { + super("Invalid DHCP event - missing " + fieldName + " attribute"); + } + } + + private static void setJdbcDataSource() throws IOException { + + String propPath; + String propDir = System.getenv(SDNC_CONFIG_DIR); + if (propDir == null) { + propDir = "/opt/onap/sdnc/data/properties"; + } + propPath = propDir + "/dblib.properties"; + File propFile = new File(propPath); + + if (!propFile.exists()) { + + throw new FileNotFoundException("Missing configuration properties file : " + propFile); + } + + Properties props = new Properties(); + props.load(new FileInputStream(propFile)); + + setJdbcDataSource(new DBResourceManager(props)); + + } + + static void setJdbcDataSource(DBResourceManager dbMgr) { + + jdbcDataSource = dbMgr; + + if (jdbcDataSource.isActive()) { + LOG.warn("DBLIB: JDBC DataSource has been initialized."); + } else { + LOG.warn("DBLIB: JDBC DataSource did not initialize successfully."); + } + } + + @Override + public void processMsg(String msg) throws InvalidMessageException { + if (msg == null) { + throw new InvalidMessageException("Null message"); + } + + ObjectMapper oMapper = new ObjectMapper(); + + JsonNode dhcpRootNode; + String msgName; + String macAddr; + String ipAddr; + + try { + dhcpRootNode = oMapper.readTree(msg); + + } catch (IOException e) { + throw new InvalidMessageException("Cannot parse json object", e); + } + + JsonNode msgNameNode = dhcpRootNode.get(MSG_NAME_TAG); + if (msgNameNode != null) { + msgName = msgNameNode.textValue(); + + } else { + throw new MissingDhcpAttributeException(MSG_NAME_TAG); + } + + JsonNode macAddrNode = dhcpRootNode.get(MAC_ADDR_TAG); + if (macAddrNode != null) { + macAddr = macAddrNode.textValue(); + + } else { + throw new MissingDhcpAttributeException(MAC_ADDR_TAG); + } + + JsonNode ipAddrNode = dhcpRootNode.get(IP_ADDR_TAG); + if (ipAddrNode != null) { + ipAddr = ipAddrNode.textValue(); + + } else { + throw new MissingDhcpAttributeException(IP_ADDR_TAG); + } + + LOG.debug("Got DHCP event : msg name {}; mac addr {}; ip addr {}", msgName, macAddr, ipAddr); + + if (jdbcDataSource == null) { + try { + setJdbcDataSource(); + } catch (IOException e) { + LOG.error("Could not create JDBC connection", e); + return; + } + } + + try { + + jdbcDataSource.writeData("INSERT INTO DHCP_MAP(mac_addr, ip_addr) VALUES('" + macAddr + "','" + ipAddr + "')", + null, null); + + } catch (SQLException e) { + LOG.error("Could not insert DHCP event data into the database ", e); + } + + } + +} |