From ee94ad606b71480ebfbf46a06e1747edb8a7165a Mon Sep 17 00:00:00 2001
From: Berenz <5912715+akberenz@users.noreply.github.com>
Date: Wed, 4 Oct 2023 14:38:00 -0400
Subject: [PATCH] perform client actions in new thread to allow pings during
 long running processes (#1177)

---
 src/qz/ws/PrintSocketClient.java | 32 +++++++++++++++++++++++---------
 1 file changed, 23 insertions(+), 9 deletions(-)

diff --git a/src/qz/ws/PrintSocketClient.java b/src/qz/ws/PrintSocketClient.java
index ba0ea0027..567a167a6 100644
--- a/src/qz/ws/PrintSocketClient.java
+++ b/src/qz/ws/PrintSocketClient.java
@@ -164,20 +164,34 @@ public void onMessage(Session session, Reader reader) throws IOException {
                 }
             }
 
-            processMessage(session, json, connection, request);
-        }
-        catch(UnsatisfiedLinkError | LoaderException e) {
-            log.error("A component is missing or broken, preventing this feature from working", e);
-            sendError(session, UID, "Sorry, this feature is unavailable at this time");
+            //spawn thread to prevent long processes from blocking
+            final String tUID = UID;
+            new Thread(() -> {
+                try {
+                    processMessage(session, json, connection, request);
+                }
+                catch(UnsatisfiedLinkError | LoaderException e) {
+                    log.error("A component is missing or broken, preventing this feature from working", e);
+                    sendError(session, tUID, "Sorry, this feature is unavailable at this time");
+                }
+                catch(JSONException e) {
+                    log.error("Bad JSON: {}", e.getMessage());
+                    sendError(session, tUID, e);
+                }
+                catch(InvalidPathException | FileSystemException e) {
+                    log.error("FileIO exception occurred", e);
+                    sendError(session, tUID, String.format("FileIO exception occurred: %s: %s", e.getClass().getSimpleName(), e.getMessage()));
+                }
+                catch(Exception e) {
+                    log.error("Problem processing message", e);
+                    sendError(session, tUID, e);
+                }
+            }).start();
         }
         catch(JSONException e) {
             log.error("Bad JSON: {}", e.getMessage());
             sendError(session, UID, e);
         }
-        catch(InvalidPathException | FileSystemException e) {
-            log.error("FileIO exception occurred", e);
-            sendError(session, UID, String.format("FileIO exception occurred: %s: %s", e.getClass().getSimpleName(), e.getMessage()));
-        }
         catch(Exception e) {
             log.error("Problem processing message", e);
             sendError(session, UID, e);