add list of network port allocations

* add port suffixes to identify individual ports for a service
* stash port reservations from current config model

1 files changed, 57 insertions, 0 deletions

diff --git a/config-provisioning/src/main/java/com/yahoo/config/provision/NetworkPorts.java b/config-provisioning/src/main/java/com/yahoo/config/provision/NetworkPorts.java
new file mode 100644
index 00000000000..1c83c4314d9
--- /dev/null
+++ b/config-provisioning/src/main/java/com/yahoo/config/provision/NetworkPorts.java
@@ -0,0 +1,57 @@
+// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+package com.yahoo.config.provision;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * Models an immutable list of network port allocations
+ * @author arnej
+ */
+public class NetworkPorts {
+
+    public static class Allocation {
+        public final int port;
+        public final String serviceType;
+        public final String configId;
+        public final String portSuffix;
+
+        public Allocation(int port, String serviceType, String configId, String portSuffix) {
+            this.port = port;
+            this.serviceType = serviceType;
+            this.configId = configId;
+            this.portSuffix = portSuffix;
+        }
+        public String key() {
+            StringBuilder buf = new StringBuilder();
+            buf.append("t=").append(serviceType);
+            buf.append(" cfg=").append(configId);
+            buf.append(" suf=").append(portSuffix);
+            return buf.toString();
+        }
+        public String toString() {
+            StringBuilder buf = new StringBuilder();
+            buf.append("[port=").append(port);
+            buf.append(" serviceType=").append(serviceType);
+            buf.append(" configId=").append(configId);
+            buf.append(" suffix=").append(portSuffix);
+            buf.append("]");
+            return buf.toString();
+        }
+    }
+
+    private final List<Allocation> allocations;
+
+    public NetworkPorts(Collection<Allocation> allocations) {
+        this.allocations = new ArrayList<>(allocations.size());
+        this.allocations.addAll(allocations);
+    }
+
+    public Collection<Allocation> allocations() {
+        return Collections.unmodifiableList(this.allocations);
+    }
+}