jvpp: introducing callback api and future api tests for all plugins (VPP-591)

test can be run with:
make test TEST=test_jvpp

memory_shared.c:
declaring and assigning variable in if statement
makes it usage outside statement impossible. Looks like memory
space assigned to variable declared in statement is freed when
statement ends
svm.c:
- fixed case when root path can have a "/" at beggining
- added option for test to operate over shared memory space
with /vpe-api name and not create new one with name consisting of
root path and region name which would require root permisions

Change-Id: Iff1170dc6a5c1be134c152f2757c7ab9b919a8ed
Signed-off-by: Matej Perina <mperina@cisco.com>

2 files changed, 95 insertions, 0 deletions

diff --git a/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/AbstractCallbackApiTest.java b/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/AbstractCallbackApiTest.java
new file mode 100644
index 00000000000..d221d1e0c71
--- /dev/null
+++ b/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/AbstractCallbackApiTest.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2017 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 io.fd.vpp.jvpp.callback.ControlPingCallback;
+import io.fd.vpp.jvpp.dto.ControlPing;
+import io.fd.vpp.jvpp.dto.ControlPingReply;
+
+public abstract class AbstractCallbackApiTest {
+
+    private static int receivedPingCount = 0;
+    private static int errorPingCount = 0;
+
+    public static void testControlPing(String shm_prefix, JVpp jvpp) throws Exception {
+        try (JVppRegistry registry = new JVppRegistryImpl("CallbackApiTest", shm_prefix)) {
+
+            registry.register(jvpp, new ControlPingCallback() {
+                @Override
+                public void onControlPingReply(final ControlPingReply reply) {
+                    System.out.printf("Received ControlPingReply: %s%n", reply);
+                    receivedPingCount++;
+                }
+
+                @Override
+                public void onError(VppCallbackException ex) {
+                    System.out.printf("Received onError exception: call=%s, reply=%d, context=%d ", ex.getMethodName(),
+                            ex.getErrorCode(), ex.getCtxId());
+                    errorPingCount++;
+                }
+
+            });
+            System.out.println("Successfully connected to VPP");
+            Thread.sleep(1000);
+
+            System.out.println("Sending control ping using JVppRegistry");
+            registry.controlPing(jvpp.getClass());
+
+            Thread.sleep(2000);
+
+            System.out.println("Sending control ping using JVpp plugin");
+            jvpp.send(new ControlPing());
+
+            Thread.sleep(2000);
+            System.out.println("Disconnecting...");
+            Assertions.assertEquals(2, receivedPingCount);
+            Assertions.assertEquals(0, errorPingCount);
+        }
+    }
+}
diff --git a/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/Assertions.java b/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/Assertions.java
new file mode 100644
index 00000000000..f8b591f5ef2
--- /dev/null
+++ b/src/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/Assertions.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2017 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;
+
+public class Assertions {
+
+    public static void assertEquals(final int expected, final int actual) {
+        if (expected != actual) {
+            throw new IllegalArgumentException(String.format("Expected[%s]/Actual[%s]", expected, actual));
+        }
+    }
+
+    public static void assertNotNull(final Object value) {
+        if (value == null) {
+            throw new IllegalArgumentException("Variable is null");
+        }
+    }
+}