dependencies: Set downloading retry parameters in konan.properties

backend.native/konan.properties

@@ -20,6 +20,10 @@ dependenciesUrl = http://download.jetbrains.com/kotlin/native
 # Don't check dependencies on a server.
 # If true, dependency downloader will throw an exception if a dependency isn't found in konan.home.
 airplaneMode = false
+
+downloadingAttempts = 10
+downloadingAttemptPauseMs = 3000
+
 llvmDebugOptFlags = -O0
 
 # Mac OS X.

dependencies/build.gradle

@@ -165,6 +165,11 @@ class TgzNativeDep extends NativeDep {
 
 class HelperNativeDep extends TgzNativeDep {
 
+    int maxAttempts = Integer.parseInt(
+            project.rootProject.ext.konanProperties['downloadingAttempts'].toString())
+    long attemptPauseMs = Long.parseLong(
+            project.rootProject.ext.konanProperties['downloadingAttemptPauseMs'].toString())
+
     public HelperNativeDep() {
         dependsOn(':tools:helpers:jar')
     }
@@ -175,7 +180,7 @@ class HelperNativeDep extends TgzNativeDep {
             main = "org.jetbrains.kotlin.konan.MainKt"
             classpath += project.findProject(':tools:helpers').getConfigurations().getByName("runtime")
             classpath += project.findProject(':tools:helpers').getConfigurations().getByName("runtime").artifacts.files
-            args baseOutDir.canonicalPath, baseUrl, baseName
+            args baseOutDir.canonicalPath, baseUrl, maxAttempts, attemptPauseMs, baseName
         }
     }
 }

tools/helpers/src/main/kotlin/DependencyDownloader.kt

@@ -32,7 +32,9 @@ import kotlin.concurrent.withLock
 class DependencyDownloader(dependenciesRoot: File,
                            val dependenciesUrl: String,
                            val dependencies: List<String>,
-                           val airplaneMode: Boolean = false) {
+                           val airplaneMode: Boolean = false,
+                           val maxAttempts: Int = DEFAULT_MAX_ATTEMPTS,
+                           val attemptPauseMs: Long = DEFAULT_ATTEMPT_PAUSE_MS) {
 
     val dependenciesDirectory = dependenciesRoot.apply { mkdirs() }
     val cacheDirectory = System.getProperty("user.home")?.let {
@@ -94,21 +96,20 @@ class DependencyDownloader(dependenciesRoot: File,
         if (!archive.exists()) {
             if (!airplaneMode) {
                 var attempt = 0
-                var done = false
-                do {
+                while(true) {
                     try {
                         download(depName, archive)
-                        done = true
+                        break
                     } catch (e: IOException) {
-                        if (attempt < MAX_ATTEMPTS) {
+                        if (attempt < maxAttempts) {
                             attempt++
-                            val pauseTime = attempt * ATTEMPT_PAUSE_MS
+                            val pauseTime = attempt * attemptPauseMs
                             println("Downloading error: ${e.message}.\n" +
-                                    "Waiting ${pauseTime.toDouble() / 1000} sec and trying again (attempt: $attempt/$MAX_ATTEMPTS)")
+                                    "Waiting ${pauseTime.toDouble() / 1000} sec and trying again (attempt: $attempt/$maxAttempts)")
                             Thread.sleep(pauseTime)
                         } else { throw e }
                     }
-                } while (!done)
+                }
             } else {
                 throw RuntimeException("""
                     Cannot find a dependency locally: $dependency.
@@ -228,8 +229,8 @@ class DependencyDownloader(dependenciesRoot: File,
     companion object {
         val lock = ReentrantLock()
 
-        const val MAX_ATTEMPTS = 10
-        const val ATTEMPT_PAUSE_MS = 3000L
+        const val DEFAULT_MAX_ATTEMPTS = 10
+        const val DEFAULT_ATTEMPT_PAUSE_MS = 3000L
     }
 
     fun run() = lock.withLock {

tools/helpers/src/main/kotlin/Helper0.kt

@@ -28,7 +28,11 @@ class Helper0(val dependenciesDir: String,
                 File(dependenciesDir),
                 properties.getProperty("dependenciesUrl", "https://download.jetbrains.com/kotlin/native"),
                 dependencies,
-                airplaneMode = properties.getProperty("airplaneMode")?.toBoolean() ?: false
+                airplaneMode = properties.getProperty("airplaneMode")?.toBoolean() ?: false,
+                maxAttempts = properties.getProperty("downloadingAttempts")?.toInt()
+                        ?: DependencyDownloader.DEFAULT_MAX_ATTEMPTS,
+                attemptPauseMs = properties.getProperty("downloadingAttemptPauseMs")?.toLong()
+                        ?: DependencyDownloader.DEFAULT_ATTEMPT_PAUSE_MS
         ).run()
     }
 }

tools/helpers/src/main/kotlin/main.kt

@@ -20,13 +20,20 @@ import java.io.File
 import java.util.*
 
 // TODO: Add command line keys
-// Args: dependencies directory, dependencies url, dependencies list
+// Args: dependencies directory, dependencies url, max attempts, attempt pause, dependencies list
 fun main(args: Array<String>) {
-    if (args.size < 2) {
+    if (args.size < 5) {
         System.exit(1)
     }
     val dependenciesDir = File(args[0])
     val dependenciesUrl = args[1]
-    val dependencies = List<String>(args.size - 2) { args[2 + it] }
-    DependencyDownloader(dependenciesDir, dependenciesUrl, dependencies).run()
+    val maxAttempts = args[2].toInt()
+    val attemptPause = args[3].toLong()
+    val dependencies = List<String>(args.size - 4) { args[4 + it] }
+    DependencyDownloader(dependenciesDir,
+            dependenciesUrl,
+            dependencies,
+            maxAttempts = maxAttempts,
+            attemptPauseMs = attemptPause
+    ).run()
 }