feat: migrated the past project to the sunfish repo

1 files changed, 46 insertions, 0 deletions

diff --git a/opendc-common/src/main/kotlin/org/opendc/common/utils/HTTPClient.kt b/opendc-common/src/main/kotlin/org/opendc/common/utils/HTTPClient.kt
new file mode 100644
index 00000000..fc5bc57b
--- /dev/null
+++ b/opendc-common/src/main/kotlin/org/opendc/common/utils/HTTPClient.kt
@@ -0,0 +1,46 @@
+package org.opendc.common.utils
+
+import java.io.File
+import java.io.InputStreamReader
+import java.net.URI
+import java.net.http.*
+import java.net.http.HttpResponse.BodyHandlers.ofString
+
+/**
+ * Singleton class representing the real datacenter client.
+ * The client is asynchronous and initiates the connection first.
+ *
+ * @author Mateusz Kwiatkowski
+ */
+
+public class HTTPClient private constructor() {
+    public companion object {
+        private var instance: HTTPClient? = null
+        private var client = HttpClient.newBuilder().build()
+
+        public fun getInstance(): HTTPClient? {
+            if (instance == null) {
+                instance = HTTPClient()
+            }
+            return instance
+        }
+    }
+
+    // TODO: this class must send the experiment JSON file to the digital twin
+    public fun sendExperiment(experiment: File) {
+        val input =  experiment.inputStream()
+        val charArray = CharArray(experiment.length().toInt())
+        val isr = InputStreamReader(input)
+
+        isr.read(charArray)
+
+        val request = HttpRequest.newBuilder()
+            .uri(URI.create("http://localhost:8080/assets"))
+            .header("Content-type", "application/json")
+            // TODO: this is obviously wrong, find an efficient way to send JSON over network
+            .POST(HttpRequest.BodyPublishers.ofString(String(charArray)))
+            .build()
+        val response = client?.send(request, ofString())
+        check(response?.statusCode() == 200)
+    }
+}
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