Index: openacs-4/etc/keepalive/keepalive-config.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/etc/keepalive/keepalive-config.tcl,v
diff -u -r1.1 -r1.2
--- openacs-4/etc/keepalive/keepalive-config.tcl	12 Feb 2004 12:28:55 -0000	1.1
+++ openacs-4/etc/keepalive/keepalive-config.tcl	28 Apr 2004 15:33:47 -0000	1.2
@@ -3,7 +3,10 @@
 # @author Peter Marklund
 
 # The servers_to_monitor variable should be a flat list with URLs to monitor
-# on even indices and the commands to execute if the servers don't respond
+# on even indices and the commands to execute if the server doesn't respond
 # on odd indices, like this:
 # {server_url1 restart_command1 server_url2 restart_command2 ...}
 set servers_to_monitor {}
+
+# How long the keepalive script waits until it attempts another restart
+set seconds_between_restarts [expr 10*60]
Index: openacs-4/etc/keepalive/keepalive.sh
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/etc/keepalive/keepalive.sh,v
diff -u -r1.1 -r1.2
--- openacs-4/etc/keepalive/keepalive.sh	12 Feb 2004 12:28:55 -0000	1.1
+++ openacs-4/etc/keepalive/keepalive.sh	28 Apr 2004 15:33:47 -0000	1.2
@@ -16,6 +16,17 @@
 
 source $script_dir/keepalive-config.tcl
 
+global restart_time_file
+set restart_time_file $script_dir/last-restart-time
+
+proc read_file { file_path } {
+    set file_id [open $file_path r]
+    set file_contents [read $file_id]
+    close $file_id    
+
+    return $file_contents
+}
+
 proc server_responds_p { server_url } {
 
     set script_dir [file dirname [info script]]
@@ -24,34 +35,71 @@
         file delete -force $wget_file
     }
 
-    catch {exec wget --tries=5 ${server_url}/SYSTEM/dbtest}
+    if { [catch {exec /usr/local/bin/wget --timeout 6 --output-document $wget_file --tries=3 ${server_url}/SYSTEM/dbtest} errmsg] } {
+        #puts "wget threw error $errmsg"
+    }
 
     if { [file exists $wget_file] } {
-          set wget_file_id [open $wget_file r]
-          set wget_file_contents [read $wget_file_id]
-          close $wget_file_id
-          if { [regexp {success} $wget_file_contents] } {
-              set responds_p 1
-          } else {
-              set responds_p 0
-          }
-      } else {
-          set responds_p 0
-      }
+	set wget_file_contents [read_file $wget_file]
+	
+	if { [regexp -nocase {^\s*success\s*$} $wget_file_contents] } {
+	    set responds_p 1
+	} else {
+	    set responds_p 0
+	}
+    } else {
+	set responds_p 0
+    }
 
-      return $responds_p
+    return $responds_p
 }
 
+proc waiting_for_restart_p { seconds_between_restarts } {
+
+    global restart_time_file
+
+    if { [file exists $restart_time_file] } {
+	set last_restart_time [string trim [read_file $restart_time_file]]
+	set current_time [clock seconds]
+	set time_since_restart [expr $current_time - $last_restart_time]
+
+	if { [expr $time_since_restart > $seconds_between_restarts] } {
+	    return 0
+	} else {
+	    return 1
+	}
+    } else {
+	# This is the first restart
+        return 0
+    }
+}
+
+proc record_current_time { file } {
+    set fd [open $file w]
+    puts $fd [clock seconds]
+    close $fd
+}
+
 foreach {server_url restart_command} $servers_to_monitor {
 
-    puts -nonewline "Checking server at $server_url - "
+    #puts -nonewline "Checking server at $server_url - "
     if { [server_responds_p $server_url] } {
-        puts "server responds."
+        #puts "server responds."
     } else {
-        puts -nonewline "no response. "
-        puts "Executing command \"$restart_command\" to restart server."
-        if { [catch {eval exec $restart_command} errmsg] } {
-            puts "Error executing restart_command: $errmsg"
-        }
+        #puts -nonewline "no response. "
+
+	# Only restart server if we didn't recently restart it
+	if { ![waiting_for_restart_p $seconds_between_restarts] } {
+	    puts "Executing command \"$restart_command\" to restart server at $server_url."
+	    if { [catch {eval exec $restart_command} errmsg] } {
+		puts "Error executing restart_command: $errmsg"
+	    }
+
+	    # Record new restart time
+	    global restart_time_file
+	    record_current_time $restart_time_file
+        } else {
+	    puts "Server at $server_url has been restarted within last $seconds_between_restarts seconds so not restarting yet"
+	}
     }
 }