Re-added missing default `threads_per_cpu` setting

CHANGELOG.md

@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Removed
 
 ### Fixed
+- [2020-06-12] Re-added missing default `threads_per_cpu` setting by [@lflare].
 
 ### Security
 - [2020-06-12] Update ClientSettings.java changed showing client secret in logs back to hidden by [@dskilly].

src/main/java/mdnet/base/ClientSettings.java

@@ -50,14 +50,14 @@ public final class ClientSettings {
 	}
 
 	public int getThreadsPerCpu() {
-		return threadsPerCpu;
+		return (threadsPerCpu > 0) ? threadsPerCpu : 16;
 	}
 
 	@Override
 	public String toString() {
 		return "ClientSettings{" + "maxCacheSizeMib=" + maxCacheSizeMib + ", maxBandwidthMibPerHour="
 				+ maxBandwidthMibPerHour + ", maxBurstRateKibPerSecond=" + maxBurstRateKibPerSecond + ", clientPort="
-				+ clientPort + ", clientSecret='" + "<hidden>" + '\'' + ", threadsPerCpu=" + threadsPerCpu + '}';
+				+ clientPort + ", clientSecret='" + "<hidden>" + '\'' + ", threadsPerCpu=" + getThreadsPerCpu() + '}';
 	}
 
 	public static boolean isSecretValid(String clientSecret) {