[whimsy] 02/02: move activity watchdog to a separate thread

[rubys]

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rubys pushed a commit to branch master
in repository https://git-dual.apache.org/repos/asf/whimsy.git

commit e5cf10dca152bbf14a59439640fedcf324d68fbc
Author: Sam Ruby <ru...@intertwingly.net>
AuthorDate: Mon Oct 17 08:33:21 2016 -0400

    move activity watchdog to a separate thread
---
 www/board/agenda/daemon/wss.rb | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/www/board/agenda/daemon/wss.rb b/www/board/agenda/daemon/wss.rb
index 8c07df0..acef407 100755
--- a/www/board/agenda/daemon/wss.rb
+++ b/www/board/agenda/daemon/wss.rb
@@ -73,7 +73,7 @@ end
 exit 0 if options.kill
 
 ########################################################################
-#                   Restart when source file changes                   #
+#    Restart when source file changes or when inactive for an hour     #
 ########################################################################
 
 def restart_process
@@ -86,6 +86,16 @@ listener = Listen.to(__dir__) do |modified, added, removed|
 end
 listener.start
 
+active = Time.now
+
+# restart once an hour when inactive
+Thread.new do
+  loop do
+    sleep 90
+    restart_process if Time.now - active >= 3600
+  end
+end
+
 ########################################################################
 #                  Close all open connection on exit                   #
 ########################################################################
@@ -108,14 +118,7 @@ if options.privkey and options.chain
     }
 end
 
-active = Time.now
-
 EM.run do
-  # restart once an hour when inactive
-  EM.add_periodic_timer(900) do
-    restart_process if Time.now - active >= 3600
-  end
-
   WebSocket::EventMachine::Server.start(server_options) do |ws|
     ws.onclose do 
       Channel.delete ws
@@ -144,6 +147,7 @@ EM.run do
         end
       end
 
+      # reset activity timer
       active = Time.now
     end
   end

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