VPP-1504: Remove JVPP

[vpp.git] / extras / japi / java / jvpp-registry / io / fd / vpp / jvpp / VppJNIConnection.java

diff --git a/extras/japi/java/jvpp-registry/io/fd/vpp/jvpp/VppJNIConnection.java b/extras/japi/java/jvpp-registry/io/fd/vpp/jvpp/VppJNIConnection.java
deleted file mode 100644 (file)
index 6a414f3..0000000
--- a/extras/japi/java/jvpp-registry/io/fd/vpp/jvpp/VppJNIConnection.java
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package io.fd.vpp.jvpp;
-
-import static io.fd.vpp.jvpp.NativeLibraryLoader.loadLibrary;
-import static java.lang.String.format;
-
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Objects;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-/**
- * JNI based representation of a management connection to VPP.
- */
-public final class VppJNIConnection implements VppConnection {
-    private static final Logger LOG = Logger.getLogger(VppJNIConnection.class.getName());
-    private static final String DEFAULT_SHM_PREFIX = "/vpe-api";
-
-    static {
-        final String libName = "libjvpp_registry.so";
-        try {
-            loadLibrary(libName, VppJNIConnection.class);
-        } catch (IOException e) {
-            LOG.log(Level.SEVERE, format("Can't find vpp jni library: %s", libName), e);
-            throw new ExceptionInInitializerError(e);
-        }
-    }
-
-    private ConnectionInfo connectionInfo;
-
-    private final String clientName;
-    private final String shmPrefix;
-    private volatile boolean disconnected = false;
-
-    /**
-     * Create VPPJNIConnection instance for client connecting to VPP.
-     *
-     * @param clientName client name instance to be used for communication. Single connection per clientName is
-     *                   allowed.
-     */
-    public VppJNIConnection(final String clientName) {
-        this.clientName = Objects.requireNonNull(clientName, "Null clientName");
-        this.shmPrefix = DEFAULT_SHM_PREFIX;
-    }
-
-    public VppJNIConnection(final String clientName, final String shmPrefix) {
-        this.clientName = Objects.requireNonNull(clientName, "Null clientName");
-        this.shmPrefix = Objects.requireNonNull(shmPrefix, "Null shmPrefix");
-    }
-
-    /**
-     * Guarded by VppJNIConnection.class
-     */
-    private static final Map<String, VppJNIConnection> connections = new HashMap<>();
-
-    /**
-     * Initiate VPP connection for current instance
-     *
-     * Multiple instances are allowed since this class is not a singleton (VPP allows multiple management connections).
-     *
-     * However only a single connection per clientName is allowed.
-     *
-     * @throws IOException in case the connection could not be established
-     */
-
-    @Override
-    public void connect() throws IOException {
-        _connect(shmPrefix);
-    }
-
-    private void _connect(final String shmPrefix) throws IOException {
-        Objects.requireNonNull(shmPrefix, "Shared memory prefix must be defined");
-
-        synchronized (VppJNIConnection.class) {
-            if (connections.containsKey(clientName)) {
-                throw new IOException("Client " + clientName + " already connected");
-            }
-
-            connectionInfo = clientConnect(shmPrefix, clientName);
-            if (connectionInfo.status != 0) {
-                throw new IOException("Connection returned error " + connectionInfo.status);
-            }
-            connections.put(clientName, this);
-        }
-    }
-
-    @Override
-    public final void checkActive() {
-        if (disconnected) {
-            throw new IllegalStateException("Disconnected client " + clientName);
-        }
-    }
-
-    @Override
-    public final synchronized void close() {
-        if (!disconnected) {
-            disconnected = true;
-            try {
-                clientDisconnect();
-            } finally {
-                synchronized (VppJNIConnection.class) {
-                    connections.remove(clientName);
-                }
-            }
-        }
-    }
-
-    public ConnectionInfo getConnectionInfo() {
-        return connectionInfo;
-    }
-
-    /**
-     * VPP connection information used by plugins to reuse the connection.
-     */
-    public static final class ConnectionInfo {
-        public final long queueAddress;
-        public final int clientIndex;
-        public final int status; // FIXME throw exception instead
-        public final int pid;
-
-        public ConnectionInfo(long queueAddress, int clientIndex, int status, int pid) {
-            this.queueAddress = queueAddress;
-            this.clientIndex = clientIndex;
-            this.status = status;
-            this.pid = pid;
-        }
-    }
-
-    private static native ConnectionInfo clientConnect(String shmPrefix, String clientName);
-
-    private static native void clientDisconnect();
-
-}