config from file

src/main/kotlin/net/eksb/obsdc/Main.kt

@@ -9,10 +9,18 @@ object Main {
         // Create a queue to send ops coming in from DBUS to OBS.
         val q:BlockingQueue<Op> = LinkedBlockingQueue()
 
+        val config = CONFIG_FILE.properties()
+
         // Listen for DBUS signals and send to q.
         DBus(q)
 
-        // Send requests to OBS
-        Obs(q) // forks a non-daemon thread.
+        // Send requests to OBS. Forks a non-daemon thread.
+        Obs(
+            q,
+            host = config.getProperty("host") ?: "localhost",
+            port = config.getProperty("port")?.toInt() ?: 4455,
+            password = config.getProperty("password") ?: error("config missing \"password\""),
+            connectionTimeout = config.getProperty("connectionTimeout")?.toInt() ?: 5
+            )
     }
 }

src/main/kotlin/net/eksb/obsdc/Obs.kt

@@ -19,7 +19,13 @@ import org.slf4j.LoggerFactory
  *
  * protocol docs: https://github.com/obsproject/obs-websocket/blob/master/docs/generated/protocol.md
  */
-class Obs(private val q:BlockingQueue<Op>): AutoCloseable {
+class Obs(
+	private val q:BlockingQueue<Op>,
+	host:String = "localhost",
+	port:Int = 4455,
+	password:String,
+	connectionTimeout:Int = 5 // seconds
+): AutoCloseable {
 
 	/** How much to pan. */
 	private val panAmount = 50F
@@ -36,12 +42,11 @@ class Obs(private val q:BlockingQueue<Op>): AutoCloseable {
 	private val ready = AtomicBoolean(false)
 
 	private val controller = OBSRemoteController.builder()
-		// TODO: configure these
-		.host("localhost")
-		.port(4455)
-		.password("R3tRkVXhFofJ2wRF")
+		.host(host)
+		.port(port)
+		.password(password)
 		.autoConnect(true)
-		.connectionTimeout(3)
+		.connectionTimeout(connectionTimeout)
 		.lifecycle()
 			.onReady(::onReady)
 			.onClose(::onClose)

src/main/kotlin/net/eksb/obsdc/Util.kt

@@ -0,0 +1,15 @@
+package net.eksb.obsdc
+
+import java.io.File
+import java.util.Properties
+
+val HOME:File = System.getProperty("user.home")?.let(::File) ?: error("No user.home")
+val CONFIG_HOME:File = System.getenv("XDG_CONFIG_HOME")?.let(::File) ?: File(HOME, ".config")
+val CONFIG_FILE:File = File(CONFIG_HOME,"net.eksb.obsdc/config.properties")
+
+fun File.properties(): Properties = Properties()
+	.also { properties ->
+		if (isFile) {
+			inputStream().use(properties::load)
+		}
+	}