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-rw-r--r--vpp-api/java/jvpp/gen/callback_gen.py89
-rw-r--r--vpp-api/java/jvpp/gen/dto_gen.py143
-rw-r--r--vpp-api/java/jvpp/gen/jvpp_callback_facade_gen.py236
-rw-r--r--vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py184
-rw-r--r--vpp-api/java/jvpp/gen/jvpp_impl_gen.py140
-rw-r--r--vpp-api/java/jvpp/gen/util.py173
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/VppConnection.java37
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/VppJNIConnection.java144
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/callback/JVppCallback.java23
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppDump.java24
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppReply.java24
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppReplyDump.java25
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppRequest.java33
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVpp.java36
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppFacade.java110
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/test/CallbackApiTest.java87
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/test/CallbackJVppFacadeTest.java67
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/test/ControlPingTest.java53
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/test/FutureApiTest.java124
19 files changed, 1752 insertions, 0 deletions
diff --git a/vpp-api/java/jvpp/gen/callback_gen.py b/vpp-api/java/jvpp/gen/callback_gen.py
new file mode 100644
index 00000000000..218ac62298b
--- /dev/null
+++ b/vpp-api/java/jvpp/gen/callback_gen.py
@@ -0,0 +1,89 @@
+#!/usr/bin/env python
+#
+# 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.
+
+import os
+import util
+from string import Template
+
+from util import remove_suffix
+
+callback_suffix = "Callback"
+
+callback_template = Template("""
+package $base_package.$callback_package;
+
+/**
+ * $docs
+ */
+public interface $cls_name extends $base_package.$callback_package.JVppCallback {
+
+ $callback_method
+
+}
+""")
+
+global_callback_template = Template("""
+package $base_package.$callback_package;
+
+/**
+ *
+ *
+ * Global aggregated callback interface
+ */
+public interface JVppGlobalCallback extends $callbacks {
+}
+""")
+
+
+def generate_callbacks(func_list, base_package, callback_package, dto_package):
+ """ Generates callback interfaces """
+ print "Generating Callback interfaces"
+
+ if not os.path.exists(callback_package):
+ raise Exception("%s folder is missing" % callback_package)
+
+ callbacks = []
+ for func in func_list:
+
+ if util.is_notification(func['name']) or util.is_ignored(func['name']):
+ # FIXME handle notifications
+ continue
+
+ camel_case_name_with_suffix = util.underscore_to_camelcase_upper(func['name'])
+ if not util.is_reply(camel_case_name_with_suffix):
+ continue
+
+ camel_case_name = util.remove_reply_suffix(camel_case_name_with_suffix)
+ callbacks.append("{0}.{1}.{2}".format(base_package, callback_package, camel_case_name + callback_suffix))
+ callback_path = os.path.join(callback_package, camel_case_name + callback_suffix + ".java")
+ callback_file = open(callback_path, 'w')
+
+ reply_type = "%s.%s.%s" % (base_package, dto_package, camel_case_name_with_suffix)
+ method = "void on{0}({1} reply);".format(camel_case_name_with_suffix, reply_type)
+ callback_file.write(
+ callback_template.substitute(docs='Generated from ' + str(func),
+ cls_name=camel_case_name + callback_suffix,
+ callback_method=method,
+ base_package=base_package,
+ callback_package=callback_package))
+ callback_file.flush()
+ callback_file.close()
+
+ callback_file = open(os.path.join(callback_package, "JVppGlobalCallback.java"), 'w')
+ callback_file.write(global_callback_template.substitute(callbacks=", ".join(callbacks),
+ base_package=base_package,
+ callback_package=callback_package))
+ callback_file.flush()
+ callback_file.close()
diff --git a/vpp-api/java/jvpp/gen/dto_gen.py b/vpp-api/java/jvpp/gen/dto_gen.py
new file mode 100644
index 00000000000..17fde68a26d
--- /dev/null
+++ b/vpp-api/java/jvpp/gen/dto_gen.py
@@ -0,0 +1,143 @@
+#!/usr/bin/env python
+#
+# 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.
+
+import os, util
+from string import Template
+
+dto_template = Template("""
+package $base_package.$dto_package;
+
+/**
+ * $docs
+ */
+public final class $cls_name implements $base_package.$dto_package.$base_type {
+
+$fields
+$methods
+}
+""")
+
+field_template = Template(""" public $type $name;\n""")
+
+send_template = Template(""" @Override
+ public int send(final $base_package.JVpp jvpp) {
+ return jvpp.$method_name($args);
+ }\n""")
+
+
+def generate_dtos(func_list, base_package, dto_package):
+ """ Generates dto objects in a dedicated package """
+ print "Generating DTOs"
+
+ if not os.path.exists(dto_package):
+ raise Exception("%s folder is missing" % dto_package)
+
+ for func in func_list:
+ camel_case_dto_name = util.underscore_to_camelcase_upper(func['name'])
+ camel_case_method_name = util.underscore_to_camelcase(func['name'])
+ dto_path = os.path.join(dto_package, camel_case_dto_name + ".java")
+
+ if util.is_notification(func['name']) or util.is_ignored(func['name']):
+ # TODO handle notifications
+ continue
+
+ fields = ""
+ for t in zip(func['types'], func['args']):
+ fields += field_template.substitute(type=util.jni_2_java_type_mapping[t[0]],
+ name=util.underscore_to_camelcase(t[1]))
+ methods = ""
+ base_type = ""
+ if util.is_reply(camel_case_dto_name):
+ request_dto_name = get_request_name(camel_case_dto_name, func['name'])
+ if util.is_details(camel_case_dto_name):
+ # FIXME assumption that dump calls end with "Dump" suffix. Not enforced in vpe.api
+ base_type += "JVppReply<%s.%s.%s>" % (base_package, dto_package, request_dto_name + "Dump")
+ generate_dump_reply_dto(request_dto_name, base_package, dto_package, camel_case_dto_name,
+ camel_case_method_name, func)
+ else:
+ base_type += "JVppReply<%s.%s.%s>" % (base_package, dto_package, request_dto_name)
+ else:
+ args = "" if fields is "" else "this"
+ methods = send_template.substitute(method_name=camel_case_method_name,
+ base_package=base_package,
+ args=args)
+ if util.is_dump(camel_case_dto_name):
+ base_type += "JVppDump"
+ else:
+ base_type += "JVppRequest"
+
+ dto_file = open(dto_path, 'w')
+ dto_file.write(dto_template.substitute(docs='Generated from ' + str(func),
+ cls_name=camel_case_dto_name,
+ fields=fields,
+ methods=methods,
+ base_package=base_package,
+ base_type=base_type,
+ dto_package=dto_package))
+ dto_file.flush()
+ dto_file.close()
+
+ flush_dump_reply_dtos()
+
+
+dump_dto_suffix = "ReplyDump"
+dump_reply_artificial_dtos = {}
+
+
+# Returns request name or special one from unconventional_naming_rep_req map
+def get_request_name(camel_case_dto_name, func_name):
+ return util.underscore_to_camelcase_upper(
+ util.unconventional_naming_rep_req[func_name]) if func_name in util.unconventional_naming_rep_req \
+ else util.remove_reply_suffix(camel_case_dto_name)
+
+
+def flush_dump_reply_dtos():
+ for dump_reply_artificial_dto in dump_reply_artificial_dtos.values():
+ dto_path = os.path.join(dump_reply_artificial_dto['dto_package'],
+ dump_reply_artificial_dto['cls_name'] + ".java")
+ dto_file = open(dto_path, 'w')
+ dto_file.write(dto_template.substitute(docs=dump_reply_artificial_dto['docs'],
+ cls_name=dump_reply_artificial_dto['cls_name'],
+ fields=dump_reply_artificial_dto['fields'],
+ methods=dump_reply_artificial_dto['methods'],
+ base_package=dump_reply_artificial_dto['base_package'],
+ base_type=dump_reply_artificial_dto['base_type'],
+ dto_package=dump_reply_artificial_dto['dto_package']))
+ dto_file.flush()
+ dto_file.close()
+
+
+def generate_dump_reply_dto(request_dto_name, base_package, dto_package, camel_case_dto_name, camel_case_method_name,
+ func):
+ base_type = "JVppReplyDump<%s.%s.%s, %s.%s.%s>" % (
+ base_package, dto_package, util.remove_reply_suffix(camel_case_dto_name) + "Dump",
+ base_package, dto_package, camel_case_dto_name)
+ fields = " public java.util.List<%s> %s = new java.util.ArrayList<>();" % (camel_case_dto_name, camel_case_method_name)
+ cls_name = camel_case_dto_name + dump_dto_suffix
+
+ # In case of already existing artificial reply dump DTO, just update it
+ # Used for sub-dump dtos
+ if request_dto_name in dump_reply_artificial_dtos.keys():
+ dump_reply_artificial_dtos[request_dto_name]['fields'] = \
+ dump_reply_artificial_dtos[request_dto_name]['fields'] + '\n' + fields
+ else:
+ dump_reply_artificial_dtos[request_dto_name] = ({'docs': 'Dump reply wrapper generated from ' + str(func),
+ 'cls_name': cls_name,
+ 'fields': fields,
+ 'methods': "",
+ 'base_package': base_package,
+ 'base_type': base_type,
+ 'dto_package': dto_package,
+ })
diff --git a/vpp-api/java/jvpp/gen/jvpp_callback_facade_gen.py b/vpp-api/java/jvpp/gen/jvpp_callback_facade_gen.py
new file mode 100644
index 00000000000..731bd894cee
--- /dev/null
+++ b/vpp-api/java/jvpp/gen/jvpp_callback_facade_gen.py
@@ -0,0 +1,236 @@
+#!/usr/bin/env python
+#
+# 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.
+
+import os, util
+from string import Template
+
+import callback_gen
+import dto_gen
+
+jvpp_ifc_template = Template("""
+package $base_package.$callback_facade_package;
+
+public interface CallbackJVpp extends java.lang.AutoCloseable {
+
+ @Override
+ void close();
+
+ // TODO add send
+
+$methods
+}
+""")
+
+jvpp_impl_template = Template("""
+package $base_package.$callback_facade_package;
+
+public final class CallbackJVppFacade implements $base_package.$callback_facade_package.CallbackJVpp {
+
+ private final $base_package.JVpp jvpp;
+ private final java.util.Map<Integer, $base_package.$callback_package.JVppCallback> callbacks;
+
+ public CallbackJVppFacade(final $base_package.JVpp jvpp,
+ java.util.Map<Integer, $base_package.$callback_package.JVppCallback> callbacks) {
+ if(jvpp == null) {
+ throw new java.lang.NullPointerException("jvpp is null");
+ }
+ this.jvpp = jvpp;
+ this.callbacks = callbacks;
+ }
+
+ @Override
+ public void close() {
+ }
+
+ // TODO add send()
+
+$methods
+}
+""")
+
+method_template = Template(
+ """ void $name($base_package.$dto_package.$request request, $base_package.$callback_package.$callback callback);""")
+method_impl_template = Template(""" public final void $name($base_package.$dto_package.$request request, $base_package.$callback_package.$callback callback) {
+ synchronized (callbacks) {
+ callbacks.put(jvpp.$name(request), callback);
+ }
+ }
+""")
+
+no_arg_method_template = Template(""" void $name($base_package.$callback_package.$callback callback);""")
+no_arg_method_impl_template = Template(""" public final void $name($base_package.$callback_package.$callback callback) {
+ synchronized (callbacks) {
+ callbacks.put(jvpp.$name(), callback);
+ }
+ }
+""")
+
+
+def generate_jvpp(func_list, base_package, dto_package, callback_package, callback_facade_package):
+ """ Generates callback facade """
+ print "Generating JVpp callback facade"
+
+ if os.path.exists(callback_facade_package):
+ util.remove_folder(callback_facade_package)
+
+ os.mkdir(callback_facade_package)
+
+ methods = []
+ methods_impl = []
+ for func in func_list:
+
+ if util.is_notification(func['name']) or util.is_ignored(func['name']):
+ # TODO handle notifications
+ continue
+
+ camel_case_name = util.underscore_to_camelcase(func['name'])
+ camel_case_name_upper = util.underscore_to_camelcase_upper(func['name'])
+ if util.is_reply(camel_case_name):
+ continue
+
+ # Strip suffix for dump calls
+ callback_type = get_request_name(camel_case_name_upper, func['name']) + callback_gen.callback_suffix
+
+ if len(func['args']) == 0:
+ methods.append(no_arg_method_template.substitute(name=camel_case_name,
+ base_package=base_package,
+ dto_package=dto_package,
+ callback_package=callback_package,
+ callback=callback_type))
+ methods_impl.append(no_arg_method_impl_template.substitute(name=camel_case_name,
+ base_package=base_package,
+ dto_package=dto_package,
+ callback_package=callback_package,
+ callback=callback_type))
+ else:
+ methods.append(method_template.substitute(name=camel_case_name,
+ request=camel_case_name_upper,
+ base_package=base_package,
+ dto_package=dto_package,
+ callback_package=callback_package,
+ callback=callback_type))
+ methods_impl.append(method_impl_template.substitute(name=camel_case_name,
+ request=camel_case_name_upper,
+ base_package=base_package,
+ dto_package=dto_package,
+ callback_package=callback_package,
+ callback=callback_type))
+
+ join = os.path.join(callback_facade_package, "CallbackJVpp.java")
+ jvpp_file = open(join, 'w')
+ jvpp_file.write(
+ jvpp_ifc_template.substitute(methods="\n".join(methods),
+ base_package=base_package,
+ dto_package=dto_package,
+ callback_facade_package=callback_facade_package))
+ jvpp_file.flush()
+ jvpp_file.close()
+
+ jvpp_file = open(os.path.join(callback_facade_package, "CallbackJVppFacade.java"), 'w')
+ jvpp_file.write(jvpp_impl_template.substitute(methods="\n".join(methods_impl),
+ base_package=base_package,
+ dto_package=dto_package,
+ callback_package=callback_package,
+ callback_facade_package=callback_facade_package))
+ jvpp_file.flush()
+ jvpp_file.close()
+
+ generate_callback(func_list, base_package, dto_package, callback_package, callback_facade_package)
+
+
+jvpp_facade_callback_template = Template("""
+package $base_package.$callback_facade_package;
+
+/**
+ * Async facade callback setting values to future objects
+ */
+public final class CallbackJVppFacadeCallback implements $base_package.$callback_package.JVppGlobalCallback {
+
+ private final java.util.Map<Integer, $base_package.$callback_package.JVppCallback> requests;
+
+ public CallbackJVppFacadeCallback(final java.util.Map<Integer, $base_package.$callback_package.JVppCallback> requestMap) {
+ this.requests = requestMap;
+ }
+
+$methods
+}
+""")
+
+jvpp_facade_callback_method_template = Template("""
+ @Override
+ @SuppressWarnings("unchecked")
+ public void on$callback_dto($base_package.$dto_package.$callback_dto reply) {
+
+ $base_package.$callback_package.$callback callback;
+ synchronized(requests) {
+ callback = ($base_package.$callback_package.$callback) requests.remove(reply.context);
+ }
+
+ if(callback != null) {
+ callback.on$callback_dto(reply);
+ }
+ }
+""")
+
+
+def generate_callback(func_list, base_package, dto_package, callback_package, callback_facade_package):
+ callbacks = []
+ for func in func_list:
+
+ if util.is_notification(func['name']) or util.is_ignored(func['name']):
+ # TODO handle notifications
+ continue
+
+ camel_case_name_with_suffix = util.underscore_to_camelcase_upper(func['name'])
+ if not util.is_reply(camel_case_name_with_suffix):
+ continue
+
+ callbacks.append(jvpp_facade_callback_method_template.substitute(base_package=base_package,
+ dto_package=dto_package,
+ callback_package=callback_package,
+ callback=util.remove_reply_suffix(camel_case_name_with_suffix) + callback_gen.callback_suffix,
+ callback_dto=camel_case_name_with_suffix))
+
+ jvpp_file = open(os.path.join(callback_facade_package, "CallbackJVppFacadeCallback.java"), 'w')
+ jvpp_file.write(jvpp_facade_callback_template.substitute(base_package=base_package,
+ dto_package=dto_package,
+ callback_package=callback_package,
+ methods="".join(callbacks),
+ callback_facade_package=callback_facade_package))
+ jvpp_file.flush()
+ jvpp_file.close()
+
+
+# Returns request name or special one from unconventional_naming_rep_req map
+def get_request_name(camel_case_dto_name, func_name):
+ if func_name in reverse_dict(util.unconventional_naming_rep_req):
+ request_name = util.underscore_to_camelcase_upper(reverse_dict(util.unconventional_naming_rep_req)[func_name])
+ else:
+ request_name = camel_case_dto_name
+ return remove_suffix(request_name)
+
+
+def reverse_dict(map):
+ return dict((v, k) for k, v in map.iteritems())
+
+
+def remove_suffix(name):
+ if util.is_reply(name):
+ return util.remove_reply_suffix(name)
+ else:
+ if util.is_dump(name):
+ return util.remove_suffix(name, util.dump_suffix)
+ else:
+ return name
diff --git a/vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py b/vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py
new file mode 100644
index 00000000000..2aae5b8018a
--- /dev/null
+++ b/vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py
@@ -0,0 +1,184 @@
+#!/usr/bin/env python
+#
+# 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.
+
+import os, util
+from string import Template
+
+import dto_gen
+
+jvpp_facade_callback_template = Template("""
+package $base_package.$future_package;
+
+/**
+ * Async facade callback setting values to future objects
+ */
+public final class FutureJVppFacadeCallback implements $base_package.$callback_package.JVppGlobalCallback {
+
+ private final java.util.Map<java.lang.Integer, java.util.concurrent.CompletableFuture<? extends $base_package.$dto_package.JVppReply<?>>> requests;
+
+ public FutureJVppFacadeCallback(final java.util.Map<java.lang.Integer, java.util.concurrent.CompletableFuture<? extends $base_package.$dto_package.JVppReply<?>>> requestMap) {
+ this.requests = requestMap;
+ }
+
+$methods
+}
+""")
+
+jvpp_facade_callback_method_template = Template("""
+ @Override
+ @SuppressWarnings("unchecked")
+ public void on$callback_dto($base_package.$dto_package.$callback_dto reply) {
+ final java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<?>> completableFuture;
+
+ synchronized(requests) {
+ completableFuture = (java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<?>>) requests.get(reply.context);
+ }
+
+ if(completableFuture != null) {
+ if(reply.retval < 0) {
+ completableFuture.completeExceptionally(new Exception("Invocation of " + $base_package.$dto_package.$callback_dto.class
+ + " failed with value " + reply.retval));
+ } else {
+ completableFuture.complete(reply);
+ }
+
+ synchronized(requests) {
+ requests.remove(reply.context);
+ }
+ }
+ }
+""")
+
+# TODO reuse common parts with generic method callback
+jvpp_facade_control_ping_method_template = Template("""
+ @Override
+ @SuppressWarnings("unchecked")
+ public void on$callback_dto($base_package.$dto_package.$callback_dto reply) {
+ final java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<?>> completableFuture;
+
+ synchronized(requests) {
+ completableFuture = (java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<?>>) requests.get(reply.context);
+ }
+
+ if(completableFuture != null) {
+ // Finish dump call
+ if (completableFuture instanceof $base_package.$future_package.FutureJVppFacade.CompletableDumpFuture) {
+ completableFuture.complete((($base_package.$future_package.FutureJVppFacade.CompletableDumpFuture) completableFuture).getReplyDump());
+ // Remove future mapped to dump call context id
+ synchronized(requests) {
+ requests.remove((($base_package.$future_package.FutureJVppFacade.CompletableDumpFuture) completableFuture).getContextId());
+ }
+ } else {
+ if(reply.retval < 0) {
+ completableFuture.completeExceptionally(new Exception("Invocation of " + $base_package.$dto_package.$callback_dto.class
+ + " failed with value " + reply.retval));
+ } else {
+ completableFuture.complete(reply);
+ }
+ }
+
+ synchronized(requests) {
+ requests.remove(reply.context);
+ }
+ }
+ }
+""")
+
+jvpp_facade_details_callback_method_template = Template("""
+ @Override
+ @SuppressWarnings("unchecked")
+ public void on$callback_dto($base_package.$dto_package.$callback_dto reply) {
+ final FutureJVppFacade.CompletableDumpFuture<$base_package.$dto_package.$callback_dto_reply_dump> completableFuture;
+
+ synchronized(requests) {
+ completableFuture = ($base_package.$future_package.FutureJVppFacade.CompletableDumpFuture<$base_package.$dto_package.$callback_dto_reply_dump>) requests.get(reply.context);
+ }
+
+ if(completableFuture != null) {
+ $base_package.$dto_package.$callback_dto_reply_dump replyDump = completableFuture.getReplyDump();
+ if(replyDump == null) {
+ replyDump = new $base_package.$dto_package.$callback_dto_reply_dump();
+ completableFuture.setReplyDump(replyDump);
+ }
+
+ replyDump.$callback_dto_field.add(reply);
+ }
+ }
+""")
+
+
+def generate_jvpp(func_list, base_package, dto_package, callback_package, future_facade_package):
+ """ Generates JVpp interface and JNI implementation """
+ print "Generating JVpp future facade"
+
+ if not os.path.exists(future_facade_package):
+ raise Exception("%s folder is missing" % future_facade_package)
+
+ callbacks = []
+ for func in func_list:
+
+ if util.is_notification(func['name']) or util.is_ignored(func['name']):
+ # TODO handle notifications
+ continue
+
+ camel_case_name_with_suffix = util.underscore_to_camelcase_upper(func['name'])
+ if not util.is_reply(camel_case_name_with_suffix):
+ continue
+
+ if util.is_details(camel_case_name_with_suffix):
+ camel_case_method_name = util.underscore_to_camelcase(func['name'])
+ camel_case_request_name = get_standard_dump_reply_name(util.underscore_to_camelcase_upper(func['name']),
+ func['name'])
+ callbacks.append(jvpp_facade_details_callback_method_template.substitute(base_package=base_package,
+ dto_package=dto_package,
+ callback_dto=camel_case_name_with_suffix,
+ callback_dto_field=camel_case_method_name,
+ callback_dto_reply_dump=camel_case_request_name + dto_gen.dump_dto_suffix,
+ future_package=future_facade_package))
+ else:
+ if util.is_control_ping(camel_case_name_with_suffix):
+ callbacks.append(jvpp_facade_control_ping_method_template.substitute(base_package=base_package,
+ dto_package=dto_package,
+ callback_dto=camel_case_name_with_suffix,
+ future_package=future_facade_package))
+ else:
+ callbacks.append(jvpp_facade_callback_method_template.substitute(base_package=base_package,
+ dto_package=dto_package,
+ callback_dto=camel_case_name_with_suffix))
+
+ jvpp_file = open(os.path.join(future_facade_package, "FutureJVppFacadeCallback.java"), 'w')
+ jvpp_file.write(jvpp_facade_callback_template.substitute(base_package=base_package,
+ dto_package=dto_package,
+ callback_package=callback_package,
+ methods="".join(callbacks),
+ future_package=future_facade_package))
+ jvpp_file.flush()
+ jvpp_file.close()
+
+
+# Returns request name or special one from unconventional_naming_rep_req map
+def get_standard_dump_reply_name(camel_case_dto_name, func_name):
+ # FIXME this is a hotfix for sub-details callbacks
+ # FIXME also for L2FibTableEntry
+ # It's all because unclear mapping between
+ # request -> reply,
+ # dump -> reply, details,
+ # notification_start -> reply, notifications
+
+ # vpe.api needs to be "standardized" so we can parse the information and create maps before generating java code
+ suffix = func_name.split("_")[-1]
+ return util.underscore_to_camelcase_upper(
+ util.unconventional_naming_rep_req[func_name]) + util.underscore_to_camelcase_upper(suffix) if func_name in util.unconventional_naming_rep_req \
+ else camel_case_dto_name
diff --git a/vpp-api/java/jvpp/gen/jvpp_impl_gen.py b/vpp-api/java/jvpp/gen/jvpp_impl_gen.py
new file mode 100644
index 00000000000..5446a694c1b
--- /dev/null
+++ b/vpp-api/java/jvpp/gen/jvpp_impl_gen.py
@@ -0,0 +1,140 @@
+#!/usr/bin/env python
+#
+# 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.
+
+import os, util
+from string import Template
+
+jvpp_ifc_template = Template("""
+package $base_package;
+
+public interface JVpp extends java.lang.AutoCloseable {
+
+ /**
+ * Generic dispatch method for sending requests to VPP
+ */
+ int send($base_package.$dto_package.JVppRequest request);
+
+ @Override
+ void close();
+
+$methods
+}
+""")
+
+jvpp_impl_template = Template("""
+package $base_package;
+
+public final class JVppImpl implements $base_package.JVpp {
+
+ private final $base_package.VppConnection connection;
+
+ public JVppImpl(final $base_package.VppConnection connection) {
+ if(connection == null) {
+ throw new java.lang.NullPointerException("Connection is null");
+ }
+ this.connection = connection;
+ }
+
+ @Override
+ public void close() {
+ connection.close();
+ }
+
+ @Override
+ public int send($base_package.$dto_package.JVppRequest request) {
+ return request.send(this);
+ }
+
+$methods
+}
+""")
+
+method_template = Template(""" int $name($base_package.$dto_package.$request request);""")
+method_native_template = Template(
+ """ private static native int ${name}0($base_package.$dto_package.$request request);""")
+method_impl_template = Template(""" public final int $name($base_package.$dto_package.$request request) {
+ if(request == null) {
+ throw new java.lang.NullPointerException("Null request object");
+ }
+ connection.checkActive();
+ return ${name}0(request);
+ }
+""")
+
+no_arg_method_template = Template(""" int $name();""")
+no_arg_method_native_template = Template(""" private static native int ${name}0();""")
+no_arg_method_impl_template = Template(""" public final int $name() {
+ connection.checkActive();
+ return ${name}0();
+ }
+""")
+
+
+def generate_jvpp(func_list, base_package, dto_package):
+ """ Generates JVpp interface and JNI implementation """
+ print "Generating JVpp"
+
+ methods = []
+ methods_impl = []
+ for func in func_list:
+
+ if util.is_notification(func['name']) or util.is_ignored(func['name']):
+ # TODO handle notifications
+ continue
+
+ camel_case_name = util.underscore_to_camelcase(func['name'])
+ camel_case_name_upper = util.underscore_to_camelcase_upper(func['name'])
+ if util.is_reply(camel_case_name):
+ continue
+
+ if len(func['args']) == 0:
+ methods.append(no_arg_method_template.substitute(name=camel_case_name,
+ base_package=base_package,
+ dto_package=dto_package))
+ methods_impl.append(
+ no_arg_method_native_template.substitute(name=camel_case_name,
+ base_package=base_package,
+ dto_package=dto_package))
+ methods_impl.append(no_arg_method_impl_template.substitute(name=camel_case_name,
+ base_package=base_package,
+ dto_package=dto_package))
+ else:
+ methods.append(method_template.substitute(name=camel_case_name,
+ request=camel_case_name_upper,
+ base_package=base_package,
+ dto_package=dto_package))
+ methods_impl.append(method_native_template.substitute(name=camel_case_name,
+ request=camel_case_name_upper,
+ base_package=base_package,
+ dto_package=dto_package))
+ methods_impl.append(method_impl_template.substitute(name=camel_case_name,
+ request=camel_case_name_upper,
+ base_package=base_package,
+ dto_package=dto_package))
+
+ jvpp_file = open("JVpp.java", 'w')
+ jvpp_file.write(
+ jvpp_ifc_template.substitute(methods="\n".join(methods),
+ base_package=base_package,
+ dto_package=dto_package))
+ jvpp_file.flush()
+ jvpp_file.close()
+
+ jvpp_file = open("JVppImpl.java", 'w')
+ jvpp_file.write(jvpp_impl_template.substitute(methods="\n".join(methods_impl),
+ base_package=base_package,
+ dto_package=dto_package))
+ jvpp_file.flush()
+ jvpp_file.close()
diff --git a/vpp-api/java/jvpp/gen/util.py b/vpp-api/java/jvpp/gen/util.py
new file mode 100644
index 00000000000..17dc2ed90a9
--- /dev/null
+++ b/vpp-api/java/jvpp/gen/util.py
@@ -0,0 +1,173 @@
+#!/usr/bin/env python
+#
+# 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.
+
+import os
+from os import removedirs
+
+
+def underscore_to_camelcase(name):
+ name = name.title().replace("_", "")
+ return name[0].lower() + name[1:]
+
+
+def underscore_to_camelcase_upper(name):
+ name = name.title().replace("_", "")
+ return name[0].upper() + name[1:]
+
+
+def remove_folder(folder):
+ """ Remove folder with all its files """
+ for root, dirs, files in os.walk(folder, topdown=False):
+ for name in files:
+ os.remove(os.path.join(root, name))
+ removedirs(folder)
+
+
+reply_suffixes = ("reply", "details", "l2fibtableentry")
+
+
+def is_reply(name):
+ return name.lower().endswith(reply_suffixes)
+
+
+def is_details(name):
+ return name.lower().endswith(reply_suffixes[1]) or name.lower().endswith(reply_suffixes[2])
+
+dump_suffix = "dump"
+
+
+def is_dump(name):
+ return name.lower().endswith(dump_suffix)
+
+
+def get_reply_suffix(name):
+ for reply_suffix in reply_suffixes:
+ if name.lower().endswith(reply_suffix):
+ if reply_suffix == reply_suffixes[2]:
+ # FIXME workaround for l2_fib_table_entry
+ return 'entry'
+ else:
+ return reply_suffix
+
+# http://docs.oracle.com/javase/7/docs/technotes/guides/jni/spec/types.html
+jni_2_java_type_mapping = {'jbyte': 'byte',
+ 'jbyteArray': 'byte[]',
+ 'jchar': 'char',
+ 'jcharArray': 'char[]',
+ 'jshort': 'short',
+ 'jshortArray': 'short[]',
+ 'jint': 'int',
+ 'jintArray': 'int[]',
+ 'jlong': 'long',
+ 'jlongArray': 'long[]',
+ 'jdouble': 'double',
+ 'jdoubleArray': 'double[]',
+ 'jfloat': 'float',
+ 'jfloatArray': 'float[]',
+ 'void': 'void',
+ 'jstring': 'java.lang.String',
+ 'jobject': 'java.lang.Object',
+ 'jobjectArray': 'java.lang.Object[]'
+ }
+
+# https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/types.html#type_signatures
+jni_2_signature_mapping = {'jbyte': 'B',
+ 'jbyteArray': '[B',
+ 'jchar': 'C',
+ 'jcharArray': '[C',
+ 'jshort': 'S',
+ 'jshortArray': '[S',
+ 'jint': 'I',
+ 'jintArray': '[I',
+ 'jlong': 'J',
+ 'jlongArray': '[J',
+ 'jdouble': 'D',
+ 'jdoubleArray': '[D',
+ 'jfloat': 'F',
+ 'jfloatArray': '[F'
+ }
+
+# https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/functions.html#Get_type_Field_routines
+jni_field_accessors = {
+ 'jbyte': 'ByteField',
+ 'jbyteArray': 'ObjectField',
+ 'jchar': 'CharField',
+ 'jcharArray': 'ObjectField',
+ 'jshort': 'ShortField',
+ 'jshortArray': 'ObjectField',
+ 'jint': 'IntField',
+ 'jintArray': 'ObjectField',
+ 'jlong': 'LongField',
+ 'jlongArray': 'ObjectField',
+ 'jdouble': 'DoubleField',
+ 'jdoubleArray': 'ObjectField',
+ 'jfloat': 'FloatField',
+ 'jfloatArray': 'ObjectField'
+}
+
+# TODO watch out for unsigned types
+# http://docs.oracle.com/javase/7/docs/technotes/guides/jni/spec/types.html
+vpp_2_jni_type_mapping = {'u8': 'jbyte', # fixme
+ 'i8': 'jbyte',
+ 'u16': 'jchar',
+ 'i16': 'jshort',
+ 'u32': 'jint', # fixme
+ 'i32': 'jint',
+ 'u64': 'jlong', # fixme
+ 'i64': 'jlong',
+ 'f64': 'jdouble'
+ }
+
+# vpe.api calls that do not follow naming conventions and have to be handled exceptionally when finding reply -> request mapping
+# FIXME in vpe.api
+unconventional_naming_rep_req = {
+ 'cli_reply': 'cli_request',
+ 'vnet_summary_stats_reply': 'vnet_get_summary_stats',
+ # This below is actually a sub-details callback. We cannot derive the mapping of dump request
+ # belonging to this sub-details from naming conventions. We need special mapping
+ 'bridge_domain_sw_if_details': 'bridge_domain',
+ # This is standard dump call + details reply. However it's not called details but entry
+ 'l2_fib_table_entry': 'l2_fib_table'
+ }
+
+#
+# FIXME no convention in the naming of events (notifications) in vpe.api
+notifications_message_suffixes = ("event", "counters")
+notification_messages = ["from_netconf_client", "from_netconf_server", "to_netconf_client", "to_netconf_server"]
+
+# messages that must be ignored. These messages are INSUFFICIENTLY marked as disabled in vpe.api
+# FIXME
+ignored_messages = ["is_address_reachable"]
+
+
+def is_notification(param):
+ return param.lower().endswith(notifications_message_suffixes) or param.lower() in notification_messages
+
+
+def is_ignored(param):
+ return param.lower() in ignored_messages
+
+
+def remove_reply_suffix(camel_case_name_with_suffix):
+ return remove_suffix(camel_case_name_with_suffix, get_reply_suffix(camel_case_name_with_suffix))
+
+
+def remove_suffix(camel_case_name_with_suffix, suffix):
+ suffix_length = len(suffix)
+ return camel_case_name_with_suffix[:-suffix_length] if suffix_length != 0 else camel_case_name_with_suffix
+
+
+def is_control_ping(camel_case_name_with_suffix):
+ return "controlping" in camel_case_name_with_suffix.lower()
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/VppConnection.java b/vpp-api/java/jvpp/org/openvpp/jvpp/VppConnection.java
new file mode 100644
index 00000000000..72ff62c944b
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/VppConnection.java
@@ -0,0 +1,37 @@
+/*
+ * 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 org.openvpp.jvpp;
+
+/**
+ * Representation of a management connection to VPP.
+ * Connection is initiated when instance is created, closed with close().
+ */
+public interface VppConnection extends AutoCloseable {
+
+ /**
+ * Check if this instance connection is active.
+ *
+ * @throws IllegalStateException if this instance was disconnected.
+ */
+ void checkActive();
+
+ /**
+ * Closes Vpp connection.
+ */
+ @Override
+ void close();
+}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/VppJNIConnection.java b/vpp-api/java/jvpp/org/openvpp/jvpp/VppJNIConnection.java
new file mode 100644
index 00000000000..9e07cc768c4
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/VppJNIConnection.java
@@ -0,0 +1,144 @@
+/*
+ * 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 org.openvpp.jvpp;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
+import java.nio.file.attribute.PosixFilePermission;
+import java.nio.file.attribute.PosixFilePermissions;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+import java.util.logging.Logger;
+import org.openvpp.jvpp.callback.JVppCallback;
+
+/**
+ * JNI based representation of a management connection to VPP
+ */
+public final class VppJNIConnection implements VppConnection {
+ private final static Logger LOG = Logger.getLogger(VppJNIConnection.class.getName());
+ private static final String LIBNAME = "libjvpp.so.0.0.0";
+
+ static {
+ try {
+ loadLibrary();
+ } catch (Exception e) {
+ LOG.severe("Can't find vpp jni library: " + LIBNAME);
+ throw new ExceptionInInitializerError(e);
+ }
+ }
+
+ private static void loadStream(final InputStream is) throws IOException {
+ final Set<PosixFilePermission> perms = PosixFilePermissions.fromString("rwxr-x---");
+ final Path p = Files.createTempFile(LIBNAME, null, PosixFilePermissions.asFileAttribute(perms));
+ try {
+ Files.copy(is, p, StandardCopyOption.REPLACE_EXISTING);
+
+ try {
+ Runtime.getRuntime().load(p.toString());
+ } catch (UnsatisfiedLinkError e) {
+ throw new IOException("Failed to load library " + p, e);
+ }
+ } finally {
+ try {
+ Files.deleteIfExists(p);
+ } catch (IOException e) {
+ }
+ }
+ }
+
+ private static void loadLibrary() throws IOException {
+ try (final InputStream is = VppJNIConnection.class.getResourceAsStream('/' + LIBNAME)) {
+ if (is == null) {
+ throw new IOException("Failed to open library resource " + LIBNAME);
+ }
+ loadStream(is);
+ }
+ }
+
+ private final String clientName;
+ private volatile boolean disconnected = false;
+
+ private VppJNIConnection(final String clientName) {
+ if (clientName == null) {
+ throw new NullPointerException("Null clientName");
+ }
+ this.clientName = clientName;
+ }
+
+ /**
+ * Guarded by VppJNIConnection.class
+ */
+ private static final Map<String, VppJNIConnection> connections = new HashMap<>();
+
+ /**
+ * Create a new Vpp connection identified by clientName parameter.
+ *
+ * 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.
+ *
+ * @param clientName identifier of vpp connection
+ * @param callback global callback to receive response calls from vpp
+ *
+ * @return new Vpp connection
+ * @throws IOException in case the connection could not be established, or there already is a connection with the same name
+ */
+ public static VppJNIConnection create(final String clientName, final JVppCallback callback) throws IOException {
+ synchronized (VppJNIConnection.class) {
+ if(connections.containsKey(clientName)) {
+ throw new IOException("Client " + clientName + " already connected");
+ }
+
+ final VppJNIConnection vppJNIConnection = new VppJNIConnection(clientName);
+ final int ret = clientConnect(clientName, callback);
+ if (ret != 0) {
+ throw new IOException("Connection returned error " + ret);
+ }
+ connections.put(clientName, vppJNIConnection);
+ return vppJNIConnection;
+ }
+ }
+
+ @Override
+ public final void checkActive() {
+ if (disconnected) {
+ throw new IllegalStateException("Disconnected client " + clientName);
+ }
+ }
+
+ @Override
+ public synchronized final void close() {
+ if (!disconnected) {
+ disconnected = true;
+ try {
+ clientDisconnect();
+ } finally {
+ synchronized (VppJNIConnection.class) {
+ connections.remove(clientName);
+ }
+ }
+ }
+ }
+
+ private static native int clientConnect(String clientName, JVppCallback callback);
+ private static native void clientDisconnect();
+}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/callback/JVppCallback.java b/vpp-api/java/jvpp/org/openvpp/jvpp/callback/JVppCallback.java
new file mode 100644
index 00000000000..c17f2e0aa96
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/callback/JVppCallback.java
@@ -0,0 +1,23 @@
+/*
+ * 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 org.openvpp.jvpp.callback;
+
+/**
+* Base JVppCallback interface
+*/
+public interface JVppCallback {
+}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppDump.java b/vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppDump.java
new file mode 100644
index 00000000000..295bbba8525
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppDump.java
@@ -0,0 +1,24 @@
+/*
+ * 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 org.openvpp.jvpp.dto;
+
+/**
+* Base interface for all dump requests
+*/
+public interface JVppDump extends JVppRequest {
+
+}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppReply.java b/vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppReply.java
new file mode 100644
index 00000000000..2f4964c4de0
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppReply.java
@@ -0,0 +1,24 @@
+/*
+ * 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 org.openvpp.jvpp.dto;
+
+/**
+* Base interface for all reply DTOs
+*/
+public interface JVppReply<REQ extends JVppRequest> {
+
+}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppReplyDump.java b/vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppReplyDump.java
new file mode 100644
index 00000000000..4aecedc19d4
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppReplyDump.java
@@ -0,0 +1,25 @@
+/*
+ * 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 org.openvpp.jvpp.dto;
+
+/**
+* Base interface for all dump replies
+*/
+public interface JVppReplyDump<REQ extends JVppRequest, RESP extends JVppReply<REQ>>
+ extends JVppReply<REQ> {
+
+}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppRequest.java b/vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppRequest.java
new file mode 100644
index 00000000000..8cd1534aa13
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/dto/JVppRequest.java
@@ -0,0 +1,33 @@
+/*
+ * 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 org.openvpp.jvpp.dto;
+
+import org.openvpp.jvpp.JVpp;
+
+/**
+* Base interface for all request DTOs
+*/
+public interface JVppRequest {
+
+ /**
+ * Invoke current operation asynchronously on VPP
+ *
+ * @return context id of this request. Can be used to track incomming response
+ */
+ int send(JVpp jvpp);
+
+}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVpp.java b/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVpp.java
new file mode 100644
index 00000000000..d860bc2d483
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVpp.java
@@ -0,0 +1,36 @@
+/*
+ * 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 org.openvpp.jvpp.future;
+
+
+import java.util.concurrent.CompletionStage;
+import org.openvpp.jvpp.dto.JVppReply;
+import org.openvpp.jvpp.dto.JVppRequest;
+
+/**
+* Future facade on top of JVpp
+*/
+public interface FutureJVpp {
+
+ /**
+ * Invoke asynchronous operation on VPP
+ *
+ * @return CompletionStage with future result of an async VPP call
+ */
+ <REQ extends JVppRequest, REPLY extends JVppReply<REQ>> CompletionStage<REPLY> send(REQ req);
+
+}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppFacade.java b/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppFacade.java
new file mode 100644
index 00000000000..5b8222c4565
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppFacade.java
@@ -0,0 +1,110 @@
+/*
+ * 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 org.openvpp.jvpp.future;
+
+
+import java.util.Map;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionStage;
+import org.openvpp.jvpp.JVpp;
+import org.openvpp.jvpp.dto.ControlPing;
+import org.openvpp.jvpp.dto.JVppDump;
+import org.openvpp.jvpp.dto.JVppReply;
+import org.openvpp.jvpp.dto.JVppReplyDump;
+import org.openvpp.jvpp.dto.JVppRequest;
+
+/**
+* Future facade on top of JVpp
+*/
+public final class FutureJVppFacade implements FutureJVpp {
+
+ private final JVpp jvpp;
+
+ /**
+ * Guarded by self
+ */
+ private final Map<Integer, CompletableFuture<? extends JVppReply<?>>> requests;
+
+ public FutureJVppFacade(final JVpp jvpp,
+ final Map<Integer, CompletableFuture<? extends JVppReply<?>>> requestMap) {
+ // TODO use guava's preconditions for nonNull and state checks
+ // However adding guava as a dependency requires better build system for Java in VPP project
+ // Currently it's just invocation of javac
+ if(jvpp == null) {
+ throw new NullPointerException("Null jvpp");
+ }
+ this.jvpp = jvpp;
+ if(requestMap == null) {
+ throw new NullPointerException("Null requestMap");
+ }
+ // Request map represents the shared state between this facade and it's callback
+ // where facade puts futures in and callback completes + removes them
+ // TODO what if the call never completes ?
+ this.requests = requestMap;
+ }
+
+ // TODO use Optional in Future, java8
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public <REQ extends JVppRequest, REPLY extends JVppReply<REQ>> CompletionStage<REPLY> send(REQ req) {
+ synchronized(requests) {
+ final int contextId = jvpp.send(req);
+
+ final CompletableFuture<REPLY> replyCompletableFuture;
+ if(req instanceof JVppDump) {
+ replyCompletableFuture = (CompletableFuture<REPLY>) new CompletableDumpFuture<>(contextId);
+ } else {
+ replyCompletableFuture = new CompletableFuture<>();
+ }
+
+ requests.put(contextId, replyCompletableFuture);
+ if(req instanceof JVppDump) {
+ requests.put(jvpp.send(new ControlPing()), replyCompletableFuture);
+ }
+ return replyCompletableFuture;
+ }
+ }
+
+ static final class CompletableDumpFuture<T extends JVppReplyDump<?, ?>> extends CompletableFuture<T> {
+ // TODO make this final
+ // The reason why this is not final is the instantiation of ReplyDump DTOs
+ // Their instantiation must be generated, so currently the DTOs are created in callback and set when first dump reponses
+ // is returned. Because in callback we have method per response, but here where requests are invoked there is only
+ // a single generic send method that does not have enough information to create the DTO
+ // This can be final as soon as we provide specific send methods here
+ private T replyDump;
+ private final long contextId;
+
+ CompletableDumpFuture(final long contextId) {
+ this.contextId = contextId;
+ }
+
+ long getContextId() {
+ return contextId;
+ }
+
+ T getReplyDump() {
+ return replyDump;
+ }
+
+ void setReplyDump(final T replyDump) {
+ this.replyDump = replyDump;
+ }
+ }
+
+}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/test/CallbackApiTest.java b/vpp-api/java/jvpp/org/openvpp/jvpp/test/CallbackApiTest.java
new file mode 100644
index 00000000000..5ac4b69a52d
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/test/CallbackApiTest.java
@@ -0,0 +1,87 @@
+/*
+ * 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 org.openvpp.jvpp.test;
+
+import org.openvpp.jvpp.JVpp;
+import org.openvpp.jvpp.JVppImpl;
+import org.openvpp.jvpp.VppJNIConnection;
+import org.openvpp.jvpp.callback.GetNodeIndexCallback;
+import org.openvpp.jvpp.callback.ShowVersionCallback;
+import org.openvpp.jvpp.callback.SwInterfaceCallback;
+import org.openvpp.jvpp.dto.GetNodeIndex;
+import org.openvpp.jvpp.dto.GetNodeIndexReply;
+import org.openvpp.jvpp.dto.ShowVersion;
+import org.openvpp.jvpp.dto.ShowVersionReply;
+import org.openvpp.jvpp.dto.SwInterfaceDetails;
+import org.openvpp.jvpp.dto.SwInterfaceDump;
+
+public class CallbackApiTest {
+
+ private static class TestCallback implements GetNodeIndexCallback, ShowVersionCallback, SwInterfaceCallback {
+
+ @Override
+ public void onGetNodeIndexReply(final GetNodeIndexReply msg) {
+ System.out.printf("Received GetNodeIndexReply: context=%d, retval=%d, nodeIndex=%d\n",
+ msg.context, msg.retval, msg.nodeIndex);
+ }
+ @Override
+ public void onShowVersionReply(final ShowVersionReply msg) {
+ System.out.printf("Received ShowVersionReply: context=%d, retval=%d, program=%s, version=%s, " +
+ "buildDate=%s, buildDirectory=%s\n",
+ msg.context, msg.retval, new String(msg.program), new String(msg.version),
+ new String(msg.buildDate), new String(msg.buildDirectory));
+ }
+
+ @Override
+ public void onSwInterfaceDetails(final SwInterfaceDetails msg) {
+ System.out.printf("Received SwInterfaceDetails: interfaceName=%s, l2AddressLength=%d, adminUpDown=%d, " +
+ "linkUpDown=%d, linkSpeed=%d, linkMtu=%d\n",
+ new String(msg.interfaceName), msg.l2AddressLength, msg.adminUpDown,
+ msg.linkUpDown, msg.linkSpeed, (int)msg.linkMtu);
+ }
+ }
+
+ private static void testCallbackApi() throws Exception {
+ System.out.println("Testing Java callback API");
+ JVpp jvpp = new JVppImpl(VppJNIConnection.create("CallbackApiTest", new TestCallback()));
+ System.out.println("Successfully connected to VPP");
+
+ System.out.println("Sending ShowVersion request...");
+ jvpp.send(new ShowVersion());
+
+ System.out.println("Sending GetNodeIndex request...");
+ GetNodeIndex getNodeIndexRequest = new GetNodeIndex();
+ getNodeIndexRequest.nodeName = "node0".getBytes();
+ jvpp.send(getNodeIndexRequest);
+
+ System.out.println("Sending SwInterfaceDump request...");
+ SwInterfaceDump swInterfaceDumpRequest = new SwInterfaceDump();
+ swInterfaceDumpRequest.nameFilterValid = 0;
+ swInterfaceDumpRequest.nameFilter = "".getBytes();
+ jvpp.send(swInterfaceDumpRequest);
+
+ Thread.sleep(5000);
+
+ System.out.println("Disconnecting...");
+ jvpp.close();
+ Thread.sleep(1000);
+ }
+
+ public static void main(String[] args) throws Exception {
+ testCallbackApi();
+ }
+}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/test/CallbackJVppFacadeTest.java b/vpp-api/java/jvpp/org/openvpp/jvpp/test/CallbackJVppFacadeTest.java
new file mode 100644
index 00000000000..df3b0e7056c
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/test/CallbackJVppFacadeTest.java
@@ -0,0 +1,67 @@
+/*
+ * 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 org.openvpp.jvpp.test;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.openvpp.jvpp.JVpp;
+import org.openvpp.jvpp.JVppImpl;
+import org.openvpp.jvpp.VppJNIConnection;
+import org.openvpp.jvpp.callback.JVppCallback;
+import org.openvpp.jvpp.callback.ShowVersionCallback;
+import org.openvpp.jvpp.callfacade.CallbackJVppFacade;
+import org.openvpp.jvpp.callfacade.CallbackJVppFacadeCallback;
+
+/**
+ * CallbackJVppFacade together with CallbackJVppFacadeCallback allow for setting different callback for each request.
+ * This is more convenient than the approach shown in CallbackApiTest.
+ */
+public class CallbackJVppFacadeTest {
+
+ private static ShowVersionCallback showVersionCallback1 = msg ->
+ System.out.printf("ShowVersionCallback1 received ShowVersionReply: context=%d, retval=%d, program=%s," +
+ "version=%s, buildDate=%s, buildDirectory=%s\n", msg.context, msg.retval, new String(msg.program),
+ new String(msg.version), new String(msg.buildDate), new String(msg.buildDirectory));
+
+ private static ShowVersionCallback showVersionCallback2 = msg ->
+ System.out.printf("ShowVersionCallback2 received ShowVersionReply: context=%d, retval=%d, program=%s," +
+ "version=%s, buildDate=%s, buildDirectory=%s\n", msg.context, msg.retval, new String(msg.program),
+ new String(msg.version), new String(msg.buildDate), new String(msg.buildDirectory));
+
+ private static void testCallbackFacade() throws Exception {
+ System.out.println("Testing CallbackJVppFacade");
+
+ final Map<Integer, JVppCallback> callbackMap = new HashMap<>();
+ JVpp impl = new JVppImpl(VppJNIConnection.create("CallbackApiTest", new CallbackJVppFacadeCallback(callbackMap)));
+ CallbackJVppFacade jvpp = new CallbackJVppFacade(impl, callbackMap);
+ System.out.println("Successfully connected to VPP");
+
+ jvpp.showVersion(showVersionCallback1);
+ jvpp.showVersion(showVersionCallback2);
+
+
+ Thread.sleep(2000);
+
+ System.out.println("Disconnecting...");
+ impl.close();
+ Thread.sleep(1000);
+ }
+
+ public static void main(String[] args) throws Exception {
+ testCallbackFacade();
+ }
+}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/test/ControlPingTest.java b/vpp-api/java/jvpp/org/openvpp/jvpp/test/ControlPingTest.java
new file mode 100644
index 00000000000..f1bd41de86f
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/test/ControlPingTest.java
@@ -0,0 +1,53 @@
+/*
+ * 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 org.openvpp.jvpp.test;
+
+import org.openvpp.jvpp.JVpp;
+import org.openvpp.jvpp.JVppImpl;
+import org.openvpp.jvpp.VppJNIConnection;
+import org.openvpp.jvpp.callback.ControlPingCallback;
+import org.openvpp.jvpp.dto.ControlPing;
+import org.openvpp.jvpp.dto.ControlPingReply;
+
+public class ControlPingTest {
+
+ private static void testControlPing() throws Exception {
+ System.out.println("Testing ControlPing using Java callback API");
+
+ JVpp jvpp = new JVppImpl(VppJNIConnection.create("ControlPingTest", new ControlPingCallback() {
+ @Override
+ public void onControlPingReply(final ControlPingReply reply) {
+ System.out.printf("Received ControlPingReply: context=%d, retval=%d, clientIndex=%d vpePid=%d\n",
+ reply.context, reply.retval, reply.clientIndex, reply.vpePid);
+ }
+ }));
+ System.out.println("Successfully connected to VPP");
+ Thread.sleep(1000);
+
+ jvpp.send(new ControlPing());
+
+ Thread.sleep(2000);
+
+ System.out.println("Disconnecting...");
+ jvpp.close();
+ Thread.sleep(1000);
+ }
+
+ public static void main(String[] args) throws Exception {
+ testControlPing();
+ }
+}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/test/FutureApiTest.java b/vpp-api/java/jvpp/org/openvpp/jvpp/test/FutureApiTest.java
new file mode 100644
index 00000000000..b5b36d58015
--- /dev/null
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/test/FutureApiTest.java
@@ -0,0 +1,124 @@
+/*
+ * 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 org.openvpp.jvpp.test;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Future;
+import org.openvpp.jvpp.VppJNIConnection;
+import org.openvpp.jvpp.dto.GetNodeIndex;
+import org.openvpp.jvpp.dto.GetNodeIndexReply;
+import org.openvpp.jvpp.dto.JVppReply;
+import org.openvpp.jvpp.dto.ShowVersion;
+import org.openvpp.jvpp.dto.ShowVersionReply;
+import org.openvpp.jvpp.dto.SwInterfaceDetails;
+import org.openvpp.jvpp.dto.SwInterfaceDetailsReplyDump;
+import org.openvpp.jvpp.dto.SwInterfaceDump;
+import org.openvpp.jvpp.future.FutureJVppFacade;
+import org.openvpp.jvpp.future.FutureJVppFacadeCallback;
+
+public class FutureApiTest {
+
+ private static void testShowVersion(final FutureJVppFacade jvpp) {
+ System.out.println("Sending ShowVersion request...");
+ try {
+ final Future<JVppReply<ShowVersion>> replyFuture = jvpp.send(new ShowVersion()).toCompletableFuture();
+ final ShowVersionReply reply = (ShowVersionReply) replyFuture.get(); // TODO can we get rid of that cast?
+ System.out.printf("Received ShowVersionReply: context=%d, retval=%d, program=%s, " +
+ "version=%s, buildDate=%s, buildDirectory=%s\n",
+ reply.context, reply.retval, new String(reply.program), new String(reply.version),
+ new String(reply.buildDate), new String(reply.buildDirectory));
+ } catch (Exception e) {
+ System.err.printf("ShowVersion request failed:\n");
+ e.printStackTrace();
+ }
+ }
+
+ /**
+ * This test will fail with some error code if node 'node0' is not defined.
+ * TODO: consider adding error messages specific for given api calls
+ */
+ private static void testGetNodeIndex(final FutureJVppFacade jvpp) {
+ System.out.println("Sending GetNodeIndex request...");
+ try {
+ final GetNodeIndex request = new GetNodeIndex();
+ request.nodeName = "node0".getBytes();
+ final Future<JVppReply<GetNodeIndex>> replyFuture = jvpp.send(request).toCompletableFuture();
+ final GetNodeIndexReply reply = (GetNodeIndexReply) replyFuture.get();
+ System.out.printf("Received GetNodeIndexReply: context=%d, retval=%d, nodeIndex=%d\n",
+ reply.context, reply.retval, reply.nodeIndex);
+ } catch (Exception e) {
+ System.err.printf("GetNodeIndex request failed:\n");
+ e.printStackTrace();
+ }
+ }
+
+ private static void testSwInterfaceDump(final FutureJVppFacade jvpp) {
+ System.out.println("Sending SwInterfaceDump request...");
+ try {
+ final SwInterfaceDump request = new SwInterfaceDump();
+ request.nameFilterValid = 0;
+ request.nameFilter = "".getBytes();
+ final Future<JVppReply<SwInterfaceDump>> replyFuture = jvpp.send(request).toCompletableFuture();
+ final SwInterfaceDetailsReplyDump reply = (SwInterfaceDetailsReplyDump) replyFuture.get();
+
+ if (reply == null) {
+ throw new IllegalStateException("SwInterfaceDetailsReplyDump is null!");
+ }
+ if (reply.swInterfaceDetails == null) {
+ throw new IllegalStateException("SwInterfaceDetailsReplyDump.swInterfaceDetails is null!");
+ }
+
+ for (SwInterfaceDetails details : reply.swInterfaceDetails) {
+ if (details == null) {
+ throw new IllegalStateException("reply.swInterfaceDetails contains null element!");
+ }
+
+ System.out.printf("Received SwInterfaceDetails: interfaceName=%s, l2AddressLength=%d, adminUpDown=%d, " +
+ "linkUpDown=%d, linkSpeed=%d, linkMtu=%d\n",
+ new String(details.interfaceName), details.l2AddressLength, details.adminUpDown,
+ details.linkUpDown, details.linkSpeed, (int) details.linkMtu);
+ }
+ } catch (Exception e) {
+ System.err.printf("SwInterfaceDump request failed:\n");
+ e.printStackTrace();
+ }
+ }
+
+ private static void testFutureApi() throws Exception {
+ System.out.println("Testing Java future API");
+
+ final Map<Integer, CompletableFuture<? extends JVppReply<?>>> map = new HashMap<>();
+ final org.openvpp.jvpp.JVppImpl impl =
+ new org.openvpp.jvpp.JVppImpl(VppJNIConnection.create("FutureApiTest", new FutureJVppFacadeCallback(map)));
+ final FutureJVppFacade jvpp = new FutureJVppFacade(impl, map);
+ System.out.println("Successfully connected to VPP");
+
+ testShowVersion(jvpp);
+ testGetNodeIndex(jvpp);
+ testSwInterfaceDump(jvpp);
+
+ System.out.println("Disconnecting...");
+ // TODO we should consider adding jvpp.close(); to the facade
+ impl.close();
+ }
+
+ public static void main(String[] args) throws Exception {
+ testFutureApi();
+ }
+}