From 0731bd58889df127ef87aba2590d505d79e6646f Mon Sep 17 00:00:00 2001
From: mjkwiatkowski <mati.rewa@gmail.com>
Date: Mon, 15 Jun 2026 23:48:44 +0200
Subject: feat: migrated the past project to the sunfish repo

---
 .../main/kotlin/org/opendc/common/utils/Kafka.kt   | 38 ++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 opendc-common/src/main/kotlin/org/opendc/common/utils/Kafka.kt

(limited to 'opendc-common/src/main/kotlin/org/opendc/common/utils/Kafka.kt')

diff --git a/opendc-common/src/main/kotlin/org/opendc/common/utils/Kafka.kt b/opendc-common/src/main/kotlin/org/opendc/common/utils/Kafka.kt
new file mode 100644
index 00000000..81eb6752
--- /dev/null
+++ b/opendc-common/src/main/kotlin/org/opendc/common/utils/Kafka.kt
@@ -0,0 +1,38 @@
+package org.opendc.common.utils
+
+import com.fasterxml.jackson.dataformat.toml.TomlMapper
+import org.apache.kafka.clients.producer.KafkaProducer
+import org.apache.kafka.clients.producer.ProducerRecord
+import org.opendc.common.ProtobufMetrics
+import java.util.*
+/**
+ * Represents the Kafka interface.
+ * @constructor `topic` the Kafka topic
+ * @author Mateusz Kwiatkowski
+ * @see <a href=https://kafka.apache.org/23/javadoc/org/apache/kafka/clients/producer/KafkaProducer.html>
+ *     https://kafka.apache.org/23/javadoc/org/apache/kafka/clients/producer/KafkaProducer.html</a>
+ * @see <a href=https://kafka.apache.org/23/javadoc/org/apache/kafka/clients/consumer/KafkaConsumer.html>
+ *      https://kafka.apache.org/23/javadoc/org/apache/kafka/clients/consumer/KafkaConsumer.html</a>
+ */
+
+@Suppress("DEPRECATION")
+public class Kafka(private val topic: String) {
+    private var properties : Properties
+
+    init {
+        check(!topic.contains("-"))
+        properties  = TomlMapper().readerFor(Properties().javaClass)
+            .readValue(Kafka::class.java.getResource("/producer.toml"))
+    }
+
+    public fun getSend() : (ProtobufMetrics.ProtoExport) -> Unit {
+        val producer = KafkaProducer<String, ProtobufMetrics.ProtoExport>(properties)
+        return fun (value : ProtobufMetrics.ProtoExport) {
+            try {
+                producer.send(ProducerRecord(this.topic, value))
+            } catch (e: Exception) {
+                println("${e.message}")
+            }
+        }
+    }
+}
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