summaryrefslogtreecommitdiff
path: root/opendc-format/src
diff options
context:
space:
mode:
Diffstat (limited to 'opendc-format/src')
-rw-r--r--opendc-format/src/main/kotlin/com/atlarge/opendc/format/environment/EnvironmentReader.kt38
-rw-r--r--opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/TraceEntry.kt55
-rw-r--r--opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/TraceReader.kt37
-rw-r--r--opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/TraceWriter.kt46
4 files changed, 176 insertions, 0 deletions
diff --git a/opendc-format/src/main/kotlin/com/atlarge/opendc/format/environment/EnvironmentReader.kt b/opendc-format/src/main/kotlin/com/atlarge/opendc/format/environment/EnvironmentReader.kt
new file mode 100644
index 00000000..0ba3ae25
--- /dev/null
+++ b/opendc-format/src/main/kotlin/com/atlarge/opendc/format/environment/EnvironmentReader.kt
@@ -0,0 +1,38 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2019 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 com.atlarge.opendc.format.environment
+
+import com.atlarge.opendc.model.Environment
+import java.io.Closeable
+
+/**
+ * An interface for reading descriptions of datacenter environments into memory as [Environment].
+ */
+interface EnvironmentReader : Closeable {
+ /**
+ * Read the description of the datacenter environment as [Environment].
+ */
+ fun read(): Environment
+}
diff --git a/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/TraceEntry.kt b/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/TraceEntry.kt
new file mode 100644
index 00000000..cf0ab526
--- /dev/null
+++ b/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/TraceEntry.kt
@@ -0,0 +1,55 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2019 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 com.atlarge.opendc.format.trace
+
+import com.atlarge.odcsim.Instant
+import com.atlarge.opendc.model.workload.Workload
+
+/**
+ * An entry in a workload trace.
+ *
+ * @param T The shape of the workload in this entry.
+ */
+interface TraceEntry<T : Workload> {
+ /**
+ * The time of submission of the workload.
+ */
+ val submissionTime: Instant
+
+ /**
+ * The workload in this trace entry.
+ */
+ val workload: T
+
+ /**
+ * Extract the submission time from this entry.
+ */
+ operator fun component1() = submissionTime
+
+ /**
+ * Extract the workload from this entry.
+ */
+ operator fun component2() = workload
+}
diff --git a/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/TraceReader.kt b/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/TraceReader.kt
new file mode 100644
index 00000000..af8b272d
--- /dev/null
+++ b/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/TraceReader.kt
@@ -0,0 +1,37 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2019 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 com.atlarge.opendc.format.trace
+
+import com.atlarge.opendc.model.workload.Workload
+import java.io.Closeable
+
+/**
+ * An interface for reading [Workload]s into memory.
+ *
+ * This interface must guarantee that the entries are delivered in order of submission time.
+ *
+ * @param T The shape of the workloads supported by this reader.
+ */
+interface TraceReader<T : Workload> : Iterator<TraceEntry<T>>, Closeable
diff --git a/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/TraceWriter.kt b/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/TraceWriter.kt
new file mode 100644
index 00000000..b5424fd2
--- /dev/null
+++ b/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/TraceWriter.kt
@@ -0,0 +1,46 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2019 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 com.atlarge.opendc.format.trace
+
+import com.atlarge.odcsim.Instant
+import com.atlarge.opendc.model.workload.Workload
+import java.io.Closeable
+
+/**
+ * An interface for persisting workload traces (e.g. to disk).
+ *
+ * @param T The type of [Workload] supported by this writer.
+ */
+interface TraceWriter<T : Workload> : Closeable {
+ /**
+ * Write an entry to the trace.
+ *
+ * Entries must be written in order of submission time. Failing to do so results in a [IllegalArgumentException].
+ *
+ * @param submissionTime The time of submission of the workload.
+ * @param workload The workload to write to the trace.
+ */
+ fun write(submissionTime: Instant, workload: T)
+}