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-rw-r--r--src/svm/svm.c3
-rw-r--r--src/vlibmemory/memory_shared.c19
-rw-r--r--src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/JVppRegistryImpl.java7
-rw-r--r--src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/VppJNIConnection.java23
-rw-r--r--src/vpp-api/java/jvpp-registry/jvpp_registry.c34
5 files changed, 62 insertions, 24 deletions
diff --git a/src/svm/svm.c b/src/svm/svm.c
index 600fa7448ac..0442ecb2950 100644
--- a/src/svm/svm.c
+++ b/src/svm/svm.c
@@ -862,7 +862,8 @@ svm_region_find_or_create (svm_map_region_args_t * a)
ASSERT (mp);
/* Map the named region from the correct chroot environment */
- a->root_path = (char *) mp->root_path;
+ if (a->root_path == NULL)
+ a->root_path = (char *) mp->root_path;
/*
* See if this region is already known. If it is, we're
diff --git a/src/vlibmemory/memory_shared.c b/src/vlibmemory/memory_shared.c
index 41aa1231f6c..9bab65730ef 100644
--- a/src/vlibmemory/memory_shared.c
+++ b/src/vlibmemory/memory_shared.c
@@ -341,12 +341,25 @@ vl_map_shmem (const char *region_name, int is_vlib)
struct timespec ts, tsrem;
u32 vlib_input_queue_length;
+ memset (a, 0, sizeof (*a));
+
+ if (strstr (region_name, "-vpe-api"))
+ {
+ char root_path[strlen (region_name)];
+ strncpy (root_path, region_name, strlen (region_name) - 8);
+ a->root_path = root_path;
+ am->root_path = root_path;
+ }
+
if (is_vlib == 0)
svm_region_init_chroot (am->root_path);
- memset (a, 0, sizeof (*a));
-
- a->name = region_name;
+ if (a->root_path != NULL)
+ {
+ a->name = "/vpe-api";
+ }
+ else
+ a->name = region_name;
a->size = am->api_size ? am->api_size : (16 << 20);
a->flags = SVM_FLAGS_MHEAP;
a->uid = am->api_uid;
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 98ef1c158e8..6e938ae313f 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 320c1283452..53eaa790778 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 66adfea041a..1e2c0176db9 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),