X-Git-Url: https://git.nmode.ca/signal-cli/blobdiff_plain/e03c48e0ae58c3d37e03dc3eb0e89d44b07d40f9..76fe6ad7999dee19ddbe80f518c62c4685ef95b4:/src/main/java/org/asamk/signal/util/IOUtils.java

diff --git a/src/main/java/org/asamk/signal/util/IOUtils.java b/src/main/java/org/asamk/signal/util/IOUtils.java
index 9f220946..7f93417f 100644
--- a/src/main/java/org/asamk/signal/util/IOUtils.java
+++ b/src/main/java/org/asamk/signal/util/IOUtils.java
@@ -15,6 +15,7 @@ import java.net.InetSocketAddress;
 import java.net.SocketAddress;
 import java.net.StandardProtocolFamily;
 import java.net.UnixDomainSocketAddress;
+import java.nio.channels.ClosedChannelException;
 import java.nio.channels.ServerSocketChannel;
 import java.nio.channels.SocketChannel;
 import java.nio.charset.Charset;
@@ -34,7 +35,7 @@ import static java.nio.file.attribute.PosixFilePermission.OWNER_WRITE;
 
 public class IOUtils {
 
-    private final static Logger logger = LoggerFactory.getLogger(IOUtils.class);
+    private static final Logger logger = LoggerFactory.getLogger(IOUtils.class);
 
     private IOUtils() {
     }
@@ -93,6 +94,9 @@ public class IOUtils {
         return () -> {
             try {
                 return bufferedReader.readLine();
+            } catch (ClosedChannelException ignored) {
+                logger.trace("Line supplier has been interrupted.");
+                return null;
             } catch (IOException e) {
                 logger.error("Error occurred while reading line", e);
                 return null;
@@ -121,13 +125,13 @@ public class IOUtils {
         return socketAddress;
     }
 
-    public static UnixDomainPrincipal getUnixDomainPrincipal(final SocketChannel channel) throws IOException {
+    public static String getUnixDomainPrincipal(final SocketChannel channel) throws IOException {
         UnixDomainPrincipal principal = null;
         try {
             principal = channel.getOption(ExtendedSocketOptions.SO_PEERCRED);
-        } catch (UnsupportedOperationException ignored) {
+        } catch (UnsupportedOperationException | NoClassDefFoundError ignored) {
         }
-        return principal;
+        return principal == null ? null : principal.toString();
     }
 
     public static ServerSocketChannel bindSocket(final SocketAddress address) throws IOErrorException {
@@ -138,7 +142,7 @@ public class IOUtils {
                     ? ServerSocketChannel.open(StandardProtocolFamily.UNIX)
                     : ServerSocketChannel.open();
             serverChannel.bind(address);
-            logger.info("Listening on socket: " + address);
+            logger.debug("Listening on socket: " + address);
             postBind(address);
         } catch (IOException e) {
             throw new IOErrorException("Failed to bind socket " + address + ": " + e.getMessage(), e);