From b3a271794d64bd97ef93abf650137c5a0a1785df Mon Sep 17 00:00:00 2001
From: Fabian Mastenbroek <mail.fabianm@gmail.com>
Date: Tue, 9 Mar 2021 17:57:57 +0100
Subject: compute: Extend capabilities of compute API

---
 .../kotlin/org/opendc/compute/api/ComputeClient.kt | 14 +++++++++++
 .../api/InsufficientServerCapacityException.kt     | 29 ++++++++++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/InsufficientServerCapacityException.kt

(limited to 'simulator/opendc-compute/opendc-compute-api')

diff --git a/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/ComputeClient.kt b/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/ComputeClient.kt
index 8ae08284..4fd32f98 100644
--- a/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/ComputeClient.kt
+++ b/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/ComputeClient.kt
@@ -22,10 +22,24 @@
 
 package org.opendc.compute.api
 
+import java.util.UUID
+
 /**
  * A client interface for the OpenDC Compute service.
  */
 public interface ComputeClient : AutoCloseable {
+    /**
+     * Obtain the list of [Server]s accessible by the requesting user.
+     */
+    public suspend fun queryServers(): List<Server>
+
+    /**
+     * Obtain a [Server] by its unique identifier.
+     *
+     * @param id The identifier of the server.
+     */
+    public suspend fun findServer(id: UUID): Server?
+
     /**
      * Create a new [Server] instance at this compute service.
      *
diff --git a/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/InsufficientServerCapacityException.kt b/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/InsufficientServerCapacityException.kt
new file mode 100644
index 00000000..8fbb7308
--- /dev/null
+++ b/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/InsufficientServerCapacityException.kt
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package org.opendc.compute.api
+
+/**
+ * This exception is thrown to indicate that the compute service does not have enough capacity at the moment to
+ * fulfill a launch request.
+ */
+public class InsufficientServerCapacityException(override val cause: Throwable? = null) : Exception("There was insufficient capacity available to satisfy the launch request")
-- 
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