First implementation of BNG application
The application offers network level APIs for the BNG data plane.
An attachment (BngAttachment) at network level is identified by an arbitrary string.
The exposed APIs are key-value like APIs.
Change-Id: If0e484f487ea16dd8c7dd99642f75686e1dbc29a
diff --git a/app/src/main/java/org/opencord/bng/packets/PppProtocolType.java b/app/src/main/java/org/opencord/bng/packets/PppProtocolType.java
new file mode 100644
index 0000000..b3f102d
--- /dev/null
+++ b/app/src/main/java/org/opencord/bng/packets/PppProtocolType.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2019-present Open Networking Foundation
+ *
+ * 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.opencord.bng.packets;
+
+/**
+ * PPP Protocol type enumerator.
+ */
+public enum PppProtocolType {
+ LCP(0xc021, "lcp", true),
+ IPCP(0x8021, "ipcp", true),
+ PAP(0xc023, "pap", true),
+ CHAP(0xc223, "chap", true),
+ IPv4(0x0021, "ipv4", false),
+ IPv6(0x0057, "ipv6", false),
+ NO_PROTOCOL(0, "no_proto", true);
+
+ private final short code;
+ private final String type;
+ private final boolean control;
+
+ /**
+ * Constructs new PPP Protocol types.
+ *
+ * @param code The PPP Protocol type.
+ * @param type Textual representation of the PPP Protocol type.
+ * @param control True if is control plane packet, false otherwise.
+ */
+ PppProtocolType(int code, String type, boolean control) {
+ this.code = (short) (code & 0xFFFF);
+ this.type = type;
+ this.control = control;
+ }
+
+ /**
+ * Lookups for a PPP Protocol type.
+ *
+ * @param code The code for PPP protocol.
+ * @return The PPPProtocol type
+ */
+ public static PppProtocolType lookup(short code) {
+ for (PppProtocolType type : PppProtocolType.values()) {
+ if (code == type.code()) {
+ return type;
+ }
+ }
+ return NO_PROTOCOL;
+ }
+
+ /**
+ * Returns code associated to the PPP protocol.
+ *
+ * @return The code for PPP protocol
+ */
+ public short code() {
+ return this.code;
+ }
+
+ /**
+ * Returns the string representation of the PPP protocol.
+ *
+ * @return The PPP protocol string representation
+ */
+ public String type() {
+ return this.type;
+ }
+
+ /**
+ * Checks if the PPP protocol is carrying control plane packets.
+ *
+ * @return True if the PPP protocol is for control plane packets, false
+ * otherwise
+ */
+ public boolean control() {
+ return this.control;
+ }
+}