[lcd4linux @ 2004-03-20 11:49:40 by reinelt]

forgot to add plugin_exec.c ...

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@406 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

diff --git a/plugin_exec.c b/plugin_exec.c
new file mode 100644 (file)
index 0000000..59bfb89
--- /dev/null
+++ b/plugin_exec.c
@@ -0,0 +1,127 @@
+/* $Id: plugin_exec.c,v 1.1 2004/03/20 11:49:40 reinelt Exp $
+ *
+ * plugin for external processes
+ *
+ * Copyright 2004 Michael Reinelt <reinelt@eunet.at>
+ * Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * based on the old 'exec' client which is
+ * Copyright 2001 Leopold Tötsch <lt@toetsch.at>
+ *
+ *
+ * This file is part of LCD4Linux.
+ *
+ * LCD4Linux is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * LCD4Linux is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * $Log: plugin_exec.c,v $
+ * Revision 1.1  2004/03/20 11:49:40  reinelt
+ * forgot to add plugin_exec.c ...
+ *
+ */
+
+/* 
+ * exported functions:
+ *
+ * int plugin_init_exec (void)
+ *  adds functions to start external pocesses
+ *
+ */
+
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+// #include <string.h>
+// #include <ctype.h>
+// #include <errno.h>
+
+#include <sys/ipc.h>
+#include <sys/sem.h>
+#include <sys/shm.h>
+
+#include "debug.h"
+#include "plugin.h"
+#include "hash.h"
+#include "cfg.h"
+#include "thread.h"
+
+static HASH EXEC = { 0, };
+static int fatal = 0;
+
+static int do_exec (void)
+{
+  int age;
+  
+  // if a fatal error occured, do nothing
+  if (fatal != 0) return -1;
+  
+  // reread every 100 msec only
+  age=hash_age(&EXEC, NULL, NULL);
+  if (age>0 && age<=100) return 0;
+  return 0;
+} 
+
+static void my_junk (char *name)
+{
+  int i;
+  
+  debug ("junk thread starting!");
+  
+  for (i=0; i<10; i++) {
+    debug ("junk look %d", i);
+    sleep (1);
+  }
+  debug ("junk thread done!");
+}
+
+
+static void my_exec (RESULT *result, int argc, RESULT *argv[])
+{
+  char *key, *val;
+  
+  if (do_exec()<0) {
+    SetResult(&result, R_STRING, ""); 
+    return;
+  }
+  
+  // key=R2S(arg1);
+  val=hash_get(&EXEC, key);
+  if (val==NULL) val="";
+  
+  SetResult(&result, R_STRING, val); 
+}
+
+
+int plugin_init_exec (void)
+{
+  int junk;
+  
+  AddFunction ("exec", -1, my_exec);
+
+  // junk=thread_create ("Junk", my_junk);
+  // debug ("junk=%d", junk);
+
+  return 0;
+}
+
+
+void plugin_exit_exec(void) 
+{
+  hash_destroy(&EXEC);
+}