From 475ead22df9433e3a7f41fa88190984a10f86144 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Sun, 10 Jan 2010 15:43:12 +0000
Subject: heartbeatclient works now


diff --git a/heartbeatclient.c b/heartbeatclient.c
index 26e198e..f95c335 100644
--- a/heartbeatclient.c
+++ b/heartbeatclient.c
@@ -73,8 +73,6 @@ int process_serial(read_buffer_t* buffer, int serial_fd, u_int32_t* time)
 
       if(strlen(buffer->buf)) {
         log_printf(INFO, "heartbeat: '%s'", buffer->buf);
-        
-            // reset heartbeat cnt
         *time = 0;
       }
         
@@ -110,7 +108,7 @@ int main_loop(int serial_fd, int cmd_fd, options_t* opt)
   max_fd = (max_fd < sig_fd) ? sig_fd : max_fd;
 
   int return_value = 0;
-  return_value = send_string(cmd_fd, "type heartbeat");
+  return_value = send_string(cmd_fd, "type heartbeat\n");
   if(return_value <= 0) {
     log_printf(ERROR, "error setting client type");
     return_value = -1;
@@ -120,6 +118,7 @@ int main_loop(int serial_fd, int cmd_fd, options_t* opt)
     return_value = 0;
   }
 
+  int active = 1;
   read_buffer_t serial_buffer;
   serial_buffer.offset = 0;
   struct timeval timeout;
@@ -138,10 +137,15 @@ int main_loop(int serial_fd, int cmd_fd, options_t* opt)
     if(ret == -1)
       continue;
     if(!ret) {
+      if(active == 0)
+        continue;
+
       time++;
       if(time >= opt->timeout_) {
-        log_printf(WARNING, "timeout reached");
-            // call handler for timeout
+        log_printf(WARNING, "timeout reached, switching to standby");
+        send_string(cmd_fd, "mode standby\n");
+        active = 0;
+        log_printf(WARNING, "deactivated timeout");
         time = 0;
       }
       continue;
@@ -151,6 +155,14 @@ int main_loop(int serial_fd, int cmd_fd, options_t* opt)
       if(signal_handle())
         return_value = 1;
    
+    if(reset_flag) {
+      active = 1;
+      time = 0;
+      reset_flag = 0;
+      log_printf(NOTICE, "reactivated timeout, switching to master");
+      send_string(cmd_fd, "mode master\n");
+    }
+
     if(FD_ISSET(serial_fd, &tmpfds)) {
       return_value = process_serial(&serial_buffer, serial_fd, &time);
       if(return_value)
diff --git a/openwrt/rhctl/Makefile b/openwrt/rhctl/Makefile
index 7071bb1..5a88216 100644
--- a/openwrt/rhctl/Makefile
+++ b/openwrt/rhctl/Makefile
@@ -18,7 +18,7 @@ PKG_RELEASE:=1
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://localhost/
-PKG_MD5SUM:=eb7c44c6c95da63480440799d3f72041
+PKG_MD5SUM:=a09815ee33dd76f43c277ca80a770073
 
 
 PKG_INSTALL_DIR:=$(PKG_BUILD_DIR)/ipkg-install
diff --git a/openwrt/rhctl/files/heartbeatclient.init b/openwrt/rhctl/files/heartbeatclient.init
index 97f59ce..b201c5e 100755
--- a/openwrt/rhctl/files/heartbeatclient.init
+++ b/openwrt/rhctl/files/heartbeatclient.init
@@ -54,3 +54,17 @@ stop() {
   fi
   echo "."
 }
+
+reset() {
+  echo -n "$DESC: Restarting timeout"
+  if [ -f $PIDFILE ]; then
+    kill -HUP `cat $PIDFILE` > /dev/null 2>&1
+    echo -n " (Ok)"
+  else
+    echo -n " (not running)"
+  fi
+  echo "."
+}
+
+EXTRA_COMMANDS=reset
+EXTRA_HELP="	reset   Restart timeout and switch back to master"
diff --git a/openwrt/rhctl/files/rhctl.config b/openwrt/rhctl/files/rhctl.config
index 7d14e51..3245618 100644
--- a/openwrt/rhctl/files/rhctl.config
+++ b/openwrt/rhctl/files/rhctl.config
@@ -30,4 +30,4 @@ config 'heartbeatclient'
   option command_sock '/var/run/rhctl/switchctl.sock'
   option baudrate '38400'
   option device '/dev/ttyHeartbeat'
-
+  option timeout '50'
diff --git a/sig_handler.c b/sig_handler.c
index ca2e18f..1a88ddb 100644
--- a/sig_handler.c
+++ b/sig_handler.c
@@ -48,7 +48,7 @@
 
 
 static int sig_pipe_fds[2];
-
+int reset_flag;
 
 static void sig_handler(int sig)
 {
@@ -127,7 +127,7 @@ int signal_handle()
       case SIGINT: log_printf(NOTICE, "SIG-Int caught, exitting"); return_value = 1; break;
       case SIGQUIT: log_printf(NOTICE, "SIG-Quit caught, exitting"); return_value = 1; break;
       case SIGTERM: log_printf(NOTICE, "SIG-Term caught, exitting"); return_value = 1; break;
-      case SIGHUP: log_printf(NOTICE, "SIG-Hup caught"); break;
+      case SIGHUP: log_printf(NOTICE, "SIG-Hup caught"); reset_flag = 1; break;
       case SIGUSR1: log_printf(NOTICE, "SIG-Usr1 caught"); break;
       case SIGUSR2: log_printf(NOTICE, "SIG-Usr2 caught"); break;
       default: log_printf(WARNING, "unknown signal %d caught, ignoring", sig); break;
diff --git a/sig_handler.h b/sig_handler.h
index 1995e1a..ddaf131 100644
--- a/sig_handler.h
+++ b/sig_handler.h
@@ -36,6 +36,8 @@
 #ifndef UANYTUN_sig_handler_h_INCLUDED
 #define UANYTUN_sig_handler_h_INCLUDED
 
+extern int reset_flag;
+
 int signal_init();
 int signal_handle();
 void signal_stop();
-- 
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