src/collectd.c: Removed `Mode' code and other old stuff.

[collectd.git] / src / collectd.c

diff --git a/src/collectd.c b/src/collectd.c
index f4dd76cdef045c890df5675007702c330a2ad045..ab5564ead694502e0dd510804a406a1bf4e7376c 100644 (file)
--- a/src/collectd.c
+++ b/src/collectd.c
@@ -38,7 +38,6 @@ kstat_ctl_t *kc;
  * exported variables
  */
 time_t curtime;
-int    operating_mode;
 
 static void sigIntHandler (int signal)
 {
@@ -157,18 +156,8 @@ static void exit_usage (char *name)
        exit (0);
 } /* static void exit_usage (char *name) */
 
-static int start_client (void)
+static int do_init (void)
 {
-       int step;
-
-       struct timeval tv_now;
-       struct timeval tv_next;
-       struct timespec ts_wait;
-
-       step = atoi (COLLECTD_STEP);
-       if (step <= 0)
-               step = 10;
-
 #if HAVE_LIBKSTAT
        kc = NULL;
        update_kstat ();
@@ -190,6 +179,22 @@ static int start_client (void)
 
        plugin_init_all ();
 
+       return (0);
+} /* int do_init () */
+
+
+static int do_loop (void)
+{
+       int step;
+
+       struct timeval tv_now;
+       struct timeval tv_next;
+       struct timespec ts_wait;
+
+       step = atoi (COLLECTD_STEP);
+       if (step <= 0)
+               step = 10;
+
        while (loop == 0)
        {
                if (gettimeofday (&tv_next, NULL) < 0)
@@ -211,13 +216,16 @@ static int start_client (void)
 
                if (gettimeofday (&tv_now, NULL) < 0)
                {
-                       syslog (LOG_ERR, "gettimeofday failed: %s", strerror (errno));
+                       syslog (LOG_ERR, "gettimeofday failed: %s",
+                                       strerror (errno));
                        return (-1);
                }
 
                if (timeval_sub_timespec (&tv_next, &tv_now, &ts_wait) != 0)
                {
-                       syslog (LOG_WARNING, "Not sleeping because `timeval_sub_timespec' returned non-zero!");
+                       syslog (LOG_WARNING, "Not sleeping because "
+                                       "`timeval_sub_timespec' returned "
+                                       "non-zero!");
                        continue;
                }
 
@@ -226,51 +234,20 @@ static int start_client (void)
                        if (errno != EINTR)
                        {
                                syslog (LOG_ERR, "nanosleep failed: %s", strerror (errno));
-                               break;
+                               return (-1);
                        }
                }
-       }
+       } /* while (loop == 0) */
 
+       DBG ("return (0);");
        return (0);
-} /* static int start_client (void) */
+} /* int do_loop */
 
-#if HAVE_LIBRRD
-static int start_server (void)
+static int do_shutdown (void)
 {
-       /* FIXME */
-#if 0
-       char *host;
-       char *type;
-       char *instance;
-       char *values;
-
-       int  error_counter = 0;
-       int  status;
-
-       while ((loop == 0) && (error_counter < 3))
-       {
-               status = network_receive (&host, &type, &instance, &values);
-
-               if (status != 0)
-               {
-                       if (status < 0)
-                               error_counter++;
-                       continue;
-               }
-               error_counter = 0;
-
-               plugin_write (host, type, instance, values);
-
-               if (host     != NULL) free (host);     host     = NULL;
-               if (type     != NULL) free (type);     type     = NULL;
-               if (instance != NULL) free (instance); instance = NULL;
-               if (values   != NULL) free (values);   values   = NULL;
-       }
-       
-#endif
+       plugin_shutdown_all ();
        return (0);
-} /* static int start_server (void) */
-#endif /* HAVE_LIBRRD */
+} /* int do_shutdown */
 
 #if COLLECT_DAEMON
 static int pidfile_create (void)
@@ -294,6 +271,7 @@ static int pidfile_remove (void)
 {
        const char *file = global_option_get ("PIDFile");
 
+       DBG ("unlink (%s)", (file != NULL) ? file : "<null>");
        return (unlink (file));
 } /* static int pidfile_remove (const char *file) */
 #endif /* COLLECT_DAEMON */
@@ -313,12 +291,6 @@ int main (int argc, char **argv)
        const char *logfile;
 #endif
 
-#if HAVE_LIBRRD
-       operating_mode = MODE_LOCAL;
-#else
-       operating_mode = MODE_CLIENT;
-#endif
-
        /* open syslog */
        openlog (PACKAGE, LOG_CONS | LOG_PID, LOG_DAEMON);
 
@@ -377,12 +349,12 @@ int main (int argc, char **argv)
         * Change directory. We do this _after_ reading the config and loading
         * modules to relative paths work as expected.
         */
-       if ((datadir = global_option_get ("BaseDir")) != NULL)
+       if ((datadir = global_option_get ("BaseDir")) == NULL)
        {
                fprintf (stderr, "Don't have a datadir to use. This should not happen. Ever.");
                return (1);
        }
-       if (change_basedir (datadir))
+       else if (change_basedir (datadir))
        {
                fprintf (stderr, "Error: Unable to change to directory `%s'.\n", datadir);
                return (1);
@@ -392,6 +364,7 @@ int main (int argc, char **argv)
        /*
         * fork off child
         */
+       memset (&sigChldAction, '\0', sizeof (sigChldAction));
        sigChldAction.sa_handler = SIG_IGN;
        sigaction (SIGCHLD, &sigChldAction, NULL);
 
@@ -443,23 +416,20 @@ int main (int argc, char **argv)
        /*
         * install signal handlers
         */
+       memset (&sigIntAction, '\0', sizeof (sigIntAction));
        sigIntAction.sa_handler = sigIntHandler;
        sigaction (SIGINT, &sigIntAction, NULL);
 
+       memset (&sigTermAction, '\0', sizeof (sigTermAction));
        sigTermAction.sa_handler = sigTermHandler;
        sigaction (SIGTERM, &sigTermAction, NULL);
 
        /*
         * run the actual loops
         */
-#if HAVE_LIBRRD
-       if (operating_mode == MODE_SERVER)
-               start_server ();
-       else /* if (operating_mode == MODE_CLIENT || operating_mode == MODE_LOCAL || operating_mode == MODE_LOG) */
-#endif
-               start_client ();
-
-       plugin_shutdown_all ();
+       do_init ();
+       do_loop ();
+       do_shutdown ();
 
 #if COLLECT_DEBUG
        if (logfile != NULL)
@@ -476,4 +446,4 @@ int main (int argc, char **argv)
 #endif /* COLLECT_DAEMON */
 
        return (0);
-} /* int main (int argc, char **argv) */
+} /* int main */