import java.nio.file.attribute.PosixFilePermission;
import java.nio.file.attribute.PosixFilePermissions;
import java.util.Set;
+import java.util.concurrent.atomic.AtomicBoolean;
import org.openvpp.vppjapi.vppVersion;
import org.openvpp.vppjapi.vppInterfaceDetails;
import org.openvpp.vppjapi.vppIPv6Address;
import org.openvpp.vppjapi.vppVxlanTunnelDetails;
-public class vppConn {
+public class vppConn implements AutoCloseable {
private static final String LIBNAME = "libvppjni.so.0.0.0";
static {
loadLibrary();
} catch (IOException | RuntimeException e) {
System.out.printf ("Can't find vpp jni library: %s\n", LIBNAME);
+ throw new ExceptionInInitializerError(e);
}
}
}
}
- public native int clientConnect(String clientName);
- public native void clientDisconnect();
- public native int getRetval(int context, int release);
- public native String getInterfaceList (String nameFilter);
- public native int swIfIndexFromName (String interfaceName);
- public native String interfaceNameFromSwIfIndex (int swIfIndex);
- public native void clearInterfaceTable ();
- public native vppInterfaceDetails[] swInterfaceDump (byte nameFilterValid, byte [] nameFilter);
- public native int bridgeDomainIdFromName(String bridgeDomain);
- public native int findOrAddBridgeDomainId(String bridgeDomain);
- public native vppVersion getVppVersion();
- public native vppInterfaceCounters getInterfaceCounters(int swIfIndex);
- public native int[] bridgeDomainDump(int bdId);
- public native vppBridgeDomainDetails getBridgeDomainDetails(int bdId);
- public native vppL2Fib[] l2FibTableDump(int bdId);
- public native int bridgeDomainIdFromInterfaceName(String interfaceName);
- public native vppIPv4Address[] ipv4AddressDump(String interfaceName);
- public native vppIPv6Address[] ipv6AddressDump(String interfaceName);
- public native vppVxlanTunnelDetails[] vxlanTunnelDump(int swIfIndex);
- public native int setInterfaceDescription (String ifName, String ifDesc);
- public native String getInterfaceDescription (String ifName);
+ private static vppConn currentConnection = null;
+ private final AtomicBoolean disconnected = new AtomicBoolean(false);
+ private final String clientName;
+
+ // Hidden on purpose to prevent external instantiation
+ vppConn(final String clientName) throws IOException {
+ this.clientName = clientName;
+
+ synchronized (vppConn.class) {
+ if (currentConnection != null) {
+ throw new IOException("Already connected as " + currentConnection.clientName);
+ }
+
+ final int ret = clientConnect(clientName);
+ if (ret != 0) {
+ throw new IOException("Connection returned error " + ret);
+ }
+
+ currentConnection = this;
+ }
+ }
+
+ @Override
+ public final void close() {
+ if (disconnected.compareAndSet(false, true)) {
+ synchronized (vppConn.class) {
+ clientDisconnect();
+ currentConnection = null;
+ }
+ }
+ }
+
+ /**
+ * Check if this instance is connected.
+ *
+ * @throws IllegalStateException if this instance was disconnected.
+ */
+ protected final void checkConnected() {
+ if (disconnected.get()) {
+ throw new IllegalStateException("Disconnected client " + clientName);
+ }
+ }
+
+ public final int getRetval(int context, int release) {
+ checkConnected();
+ return getRetval0(context, release);
+ }
+
+ public final String getInterfaceList (String nameFilter) {
+ checkConnected();
+ return getInterfaceList0(nameFilter);
+ }
+
+ public final int swIfIndexFromName (String interfaceName) {
+ checkConnected();
+ return swIfIndexFromName0(interfaceName);
+ }
+
+ public final String interfaceNameFromSwIfIndex (int swIfIndex) {
+ checkConnected();
+ return interfaceNameFromSwIfIndex0(swIfIndex);
+ }
+
+ public final void clearInterfaceTable () {
+ checkConnected();
+ clearInterfaceTable0();
+ }
+
+ public final vppInterfaceDetails[] swInterfaceDump (byte nameFilterValid, byte [] nameFilter) {
+ checkConnected();
+ return swInterfaceDump0(nameFilterValid, nameFilter);
+ }
+
+ public final int bridgeDomainIdFromName(String bridgeDomain) {
+ checkConnected();
+ return bridgeDomainIdFromName0(bridgeDomain);
+ }
+
+ public final int findOrAddBridgeDomainId(String bridgeDomain) {
+ checkConnected();
+ return findOrAddBridgeDomainId0(bridgeDomain);
+ }
+
+ public final vppVersion getVppVersion() {
+ checkConnected();
+ return getVppVersion0();
+ }
+
+ public final vppInterfaceCounters getInterfaceCounters(int swIfIndex) {
+ checkConnected();
+ return getInterfaceCounters0(swIfIndex);
+ }
+
+ public final int[] bridgeDomainDump(int bdId) {
+ checkConnected();
+ return bridgeDomainDump0(bdId);
+ }
+
+ public final vppBridgeDomainDetails getBridgeDomainDetails(int bdId) {
+ checkConnected();
+ return getBridgeDomainDetails0(bdId);
+ }
+
+ public final vppL2Fib[] l2FibTableDump(int bdId) {
+ checkConnected();
+ return l2FibTableDump0(bdId);
+ }
+
+ public final int bridgeDomainIdFromInterfaceName(String interfaceName) {
+ checkConnected();
+ return bridgeDomainIdFromInterfaceName0(interfaceName);
+ }
+
+ public final vppIPv4Address[] ipv4AddressDump(String interfaceName) {
+ checkConnected();
+ return ipv4AddressDump0(interfaceName);
+ }
+
+ public final vppIPv6Address[] ipv6AddressDump(String interfaceName) {
+ checkConnected();
+ return ipv6AddressDump0(interfaceName);
+ }
+
+ public final vppVxlanTunnelDetails[] vxlanTunnelDump(int swIfIndex) {
+ checkConnected();
+ return vxlanTunnelDump0(swIfIndex);
+ }
+
+ public final int setInterfaceDescription(String ifName, String ifDesc) {
+ checkConnected();
+ return setInterfaceDescription0(ifName, ifDesc);
+ }
+
+ public final String getInterfaceDescription(String ifName) {
+ checkConnected();
+ return getInterfaceDescription0(ifName);
+ }
+
+ private static native int clientConnect(String clientName);
+ private static native void clientDisconnect();
+ private static native int getRetval0(int context, int release);
+ private static native String getInterfaceList0(String nameFilter);
+ private static native int swIfIndexFromName0(String interfaceName);
+ private static native String interfaceNameFromSwIfIndex0(int swIfIndex);
+ private static native void clearInterfaceTable0();
+ private static native vppInterfaceDetails[] swInterfaceDump0(byte nameFilterValid, byte [] nameFilter);
+ private static native int bridgeDomainIdFromName0(String bridgeDomain);
+ private static native int findOrAddBridgeDomainId0(String bridgeDomain);
+ private static native vppVersion getVppVersion0();
+ private static native vppInterfaceCounters getInterfaceCounters0(int swIfIndex);
+ private static native int[] bridgeDomainDump0(int bdId);
+ private static native vppBridgeDomainDetails getBridgeDomainDetails0(int bdId);
+ private static native vppL2Fib[] l2FibTableDump0(int bdId);
+ private static native int bridgeDomainIdFromInterfaceName0(String interfaceName);
+ private static native vppIPv4Address[] ipv4AddressDump0(String interfaceName);
+ private static native vppIPv6Address[] ipv6AddressDump0(String interfaceName);
+ private static native vppVxlanTunnelDetails[] vxlanTunnelDump0(int swIfIndex);
+ private static native int setInterfaceDescription0(String ifName, String ifDesc);
+ private static native String getInterfaceDescription0(String ifName);
}
Code Review / vpp.git / blobdiff