From ae26b901abcc2ce2a50d9dca4d6223d0fa88811b Mon Sep 17 00:00:00 2001
From: Cyril Jaquier <cyril.jaquier@fail2ban.org>
Date: Sun, 20 Jan 2008 16:30:35 +0000
Subject: [PATCH] - Create a PID file in /var/run/fail2ban/. Thanks to Julien
 Perez.

git-svn-id: https://fail2ban.svn.sourceforge.net/svnroot/fail2ban/branches/FAIL2BAN-0_8@647 a942ae1a-1317-0410-a47c-b1dcaea8d605
---
 CHANGELOG        |  2 ++
 server/server.py | 17 +++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/CHANGELOG b/CHANGELOG
index 2833ec79..9b0ae1e4 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -29,6 +29,8 @@ ver. 0.8.2 (2008/??/??) - stable
   2.3.
 - New log rotation detection algorithm.
 - Print monitored files in status.
+- Create a PID file in /var/run/fail2ban/. Thanks to Julien
+  Perez.
 
 ver. 0.8.1 (2007/08/14) - stable
 ----------
diff --git a/server/server.py b/server/server.py
index 1ec301b4..f363ca6e 100644
--- a/server/server.py
+++ b/server/server.py
@@ -36,6 +36,8 @@ import logging, logging.handlers, sys, os, signal
 logSys = logging.getLogger("fail2ban.server")
 
 class Server:
+	
+	PID_FILE = "/var/run/fail2ban/fail2ban.pid"
 
 	def __init__(self, daemon = False):
 		self.__loggingLock = Lock()
@@ -57,6 +59,15 @@ class Server:
 	def start(self, sock, force = False):
 		logSys.info("Starting Fail2ban v" + version.version)
 		
+		# Creates a PID file.
+		try:
+			logSys.debug("Creating PID file %s" % Server.PID_FILE)
+			pidFile = open(Server.PID_FILE, 'w')
+			pidFile.write("%s\n" % os.getpid())
+			pidFile.close()
+		except IOError, e:
+			logSys.error("Unable to create PID file: %s" % e)
+		
 		# Install signal handlers
 		signal.signal(signal.SIGTERM, self.__sigTERMhandler)
 		signal.signal(signal.SIGINT, self.__sigTERMhandler)
@@ -76,6 +87,12 @@ class Server:
 			self.__asyncServer.start(sock, force)
 		except AsyncServerException, e:
 			logSys.error("Could not start server: %s", e)
+		# Removes the PID file.
+		try:
+			logSys.debug("Remove PID file %s" % Server.PID_FILE)
+			os.remove(Server.PID_FILE)
+		except OSError, e:
+			logSys.error("Unable to remove PID file: %s" % e)
 		logSys.info("Exiting Fail2ban")
 	
 	def quit(self):