diff options
Diffstat (limited to 'src/vpp-api/java')
3 files changed, 44 insertions, 20 deletions
diff --git a/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/JVppRegistryImpl.java b/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/JVppRegistryImpl.java index 98ef1c15..6e938ae3 100644 --- a/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/JVppRegistryImpl.java +++ b/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/JVppRegistryImpl.java @@ -48,6 +48,13 @@ public final class JVppRegistryImpl implements JVppRegistry, ControlPingCallback pingCalls = new HashMap<>(); } + public JVppRegistryImpl(final String clientName, final String shmPrefix) throws IOException { + connection = new VppJNIConnection(clientName, shmPrefix); + connection.connect(); + pluginRegistry = new ConcurrentHashMap<>(); + pingCalls = new HashMap<>(); + } + @Override public VppConnection getConnection() { return connection; diff --git a/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/VppJNIConnection.java b/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/VppJNIConnection.java index 320c1283..53eaa790 100644 --- a/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/VppJNIConnection.java +++ b/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/VppJNIConnection.java @@ -17,8 +17,11 @@ 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; @@ -30,13 +33,14 @@ import java.util.logging.Logger; */ 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, String.format("Can't find vpp jni library: %s", libName), e); + LOG.log(Level.SEVERE, format("Can't find vpp jni library: %s", libName), e); throw new ExceptionInInitializerError(e); } } @@ -44,6 +48,7 @@ public final class VppJNIConnection implements VppConnection { private ConnectionInfo connectionInfo; private final String clientName; + private final String shmPrefix; private volatile boolean disconnected = false; /** @@ -54,6 +59,12 @@ public final class VppJNIConnection implements VppConnection { */ 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"); } /** @@ -73,16 +84,18 @@ public final class VppJNIConnection implements VppConnection { @Override public void connect() throws IOException { - _connect(); + _connect(shmPrefix); } - private void _connect() throws IOException { + 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(clientName); + connectionInfo = clientConnect(shmPrefix, clientName); if (connectionInfo.status != 0) { throw new IOException("Connection returned error " + connectionInfo.status); } @@ -130,7 +143,7 @@ public final class VppJNIConnection implements VppConnection { } } - private static native ConnectionInfo clientConnect(String clientName); + private static native ConnectionInfo clientConnect(String shmPrefix, String clientName); private static native void clientDisconnect(); diff --git a/src/vpp-api/java/jvpp-registry/jvpp_registry.c b/src/vpp-api/java/jvpp-registry/jvpp_registry.c index 66adfea0..1e2c0176 100644 --- a/src/vpp-api/java/jvpp-registry/jvpp_registry.c +++ b/src/vpp-api/java/jvpp-registry/jvpp_registry.c @@ -243,14 +243,13 @@ static int send_initial_control_ping() { return rv; } -static int connect_to_vpe(char *name) { +static int connect_to_vpe(char *shm_prefix, char *name) { jvpp_main_t * jm = &jvpp_main; api_main_t * am = &api_main; jvpp_registry_main_t * rm = &jvpp_registry_main; - if (vl_client_connect_to_vlib("/vpe-api", name, 32) < 0) + if (vl_client_connect_to_vlib(shm_prefix, name, 32) < 0) return -1; - jm->my_client_index = am->my_client_index; jm->vl_input_queue = am->shmem_hdr->vl_input_queue; @@ -268,9 +267,15 @@ static int connect_to_vpe(char *name) { } JNIEXPORT jobject JNICALL Java_io_fd_vpp_jvpp_VppJNIConnection_clientConnect( - JNIEnv *env, jclass obj, jstring clientName) { + JNIEnv *env, jclass obj, jstring shmPrefix, jstring clientName) { + /* + * TODO introducing memory prefix as variable can be used in hc2vpp + * to be able to run without root privileges + * https://jira.fd.io/browse/HC2VPP-176 + */ int rv; const char *client_name; + const char *shm_prefix; void vl_msg_reply_handler_hookup(void); jvpp_main_t * jm = &jvpp_main; jvpp_registry_main_t * rm = &jvpp_registry_main; @@ -280,15 +285,6 @@ JNIEXPORT jobject JNICALL Java_io_fd_vpp_jvpp_VppJNIConnection_clientConnect( jmethodID connectionInfoConstructor = (*env)->GetMethodID(env, connectionInfoClass, "<init>", "(JII)V"); - /* - * Bail out now if we're not running as root - */ - if (geteuid() != 0) { - return (*env)->NewObject(env, connectionInfoClass, - connectionInfoConstructor, 0, 0, - VNET_API_ERROR_NOT_RUNNING_AS_ROOT); - } - if (rm->is_connected) { return (*env)->NewObject(env, connectionInfoClass, connectionInfoConstructor, 0, 0, @@ -296,17 +292,25 @@ JNIEXPORT jobject JNICALL Java_io_fd_vpp_jvpp_VppJNIConnection_clientConnect( } client_name = (*env)->GetStringUTFChars(env, clientName, 0); + shm_prefix = (*env)->GetStringUTFChars(env, shmPrefix, 0); + if (!client_name) { return (*env)->NewObject(env, connectionInfoClass, - connectionInfoConstructor, 0, 0, VNET_API_ERROR_INVALID_VALUE); + connectionInfoConstructor, 0, 0, VNET_API_ERROR_INVALID_VALUE, shmPrefix); + } + + if (!shm_prefix) { + return (*env)->NewObject(env, connectionInfoClass, + connectionInfoConstructor, 0, 0, VNET_API_ERROR_INVALID_VALUE, shmPrefix); } - rv = connect_to_vpe((char *) client_name); + rv = connect_to_vpe((char *) shm_prefix, (char *) client_name); if (rv < 0) clib_warning("connection failed, rv %d", rv); (*env)->ReleaseStringUTFChars(env, clientName, client_name); + (*env)->ReleaseStringUTFChars(env, shmPrefix, shm_prefix); return (*env)->NewObject(env, connectionInfoClass, connectionInfoConstructor, (jlong) pointer_to_uword (jm->vl_input_queue), |