Fix Terracotta-OSS#9 - Expose Cluster configuration using IClientTest…

…Environment

test-interfaces/src/main/java/org/terracotta/passthrough/IClientTestEnvironment.java

@@ -37,4 +37,9 @@ public interface IClientTestEnvironment {
    * @return The 0-indexed value uniquely specifying this client (always >= 0, < getTotalClientCount()).
    */
   public int getThisClientIndex();
+
+  /**
+   * @return {@link IClusterInfo} which provides information about connecting cluster
+   */
+  public IClusterInfo getClusterInfo();
 }

test-interfaces/src/main/java/org/terracotta/passthrough/IClusterInfo.java

@@ -0,0 +1,22 @@
+package org.terracotta.passthrough;
+
+import java.util.Collection;
+
+/**
+ * An abstraction to expose cluster information to clients for e.g. server configuration etc
+ *
+ * @author vmad
+ */
+public interface IClusterInfo {
+
+  /**
+   * @param name server name to identify the server
+   * @return corresponding {@link IServerInfo}
+   */
+  IServerInfo getServerInfo(String name);
+
+  /**
+   * @return A collection {@link IServerInfo} for all servers in this stripe
+   */
+  Collection<IServerInfo> getServersInfo();
+}

test-interfaces/src/main/java/org/terracotta/passthrough/IServerInfo.java

@@ -0,0 +1,24 @@
+package org.terracotta.passthrough;
+
+/**
+ * Provides a server information like configured server port and group port etc
+ *
+ * @author vmad
+ */
+public interface IServerInfo {
+
+  /**
+   * @return name of this server
+   */
+  String getName();
+
+  /**
+   * @return configured server port for this server
+   */
+  int getServerPort();
+
+  /**
+   * @return configured server group port for this server
+   */
+  int getGroupPort();
+}