From 89971478489afe7e417ec065af5ce9934facd429 Mon Sep 17 00:00:00 2001
From: Kristaps Kaupe <kristaps@blogiem.lv>
Date: Wed, 20 May 2020 20:18:57 +0300
Subject: [PATCH] Terminate ob-watcher immediately if HTTP server fails to
 start

---
 scripts/obwatch/ob-watcher.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/scripts/obwatch/ob-watcher.py b/scripts/obwatch/ob-watcher.py
index 4c102b2..1088a6e 100644
--- a/scripts/obwatch/ob-watcher.py
+++ b/scripts/obwatch/ob-watcher.py
@@ -372,8 +372,12 @@ class HTTPDThread(threading.Thread):
 
     def run(self):
         # hostport = ('localhost', 62601)
-        httpd = http.server.HTTPServer(self.hostport,
+        try:
+            httpd = http.server.HTTPServer(self.hostport,
                                           OrderbookPageRequestHeader)
+        except Exception as e:
+            print("Failed to start HTTP server: " + str(e))
+            os._exit(EXIT_FAILURE)
         httpd.taker = self.taker
         print('\nstarted http server, visit http://{0}:{1}/\n'.format(
                 *self.hostport))