renamed .h and libs clicon->clixon

lib/src/clixon_plugin.c

@@ -0,0 +1,73 @@
+/*
+ *
+  Copyright (C) 2009-2016 Olof Hagsand and Benny Holmgren
+
+  This file is part of CLIXON.
+
+  CLIXON 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 3 of the License, or
+  (at your option) any later version.
+
+  CLIXON 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 CLIXON; see the file LICENSE.  If not, see
+  <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "clixon_config.h" /* generated by config & autoconf */
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <dlfcn.h>
+
+#include "clixon_err.h"
+#include "clixon_queue.h"
+#include "clixon_hash.h"
+#include "clixon_handle.h"
+#include "clixon_plugin.h"
+
+
+static find_plugin_t *
+clicon_find_plugin(clicon_handle h)
+{
+    void *p;
+    find_plugin_t *fp = NULL;
+    clicon_hash_t *data = clicon_data(h);
+    
+    if ((p = hash_value(data, "CLICON_FIND_PLUGIN", NULL)) != NULL)
+	memcpy(&fp, p, sizeof(fp));
+
+    return fp;
+}
+
+
+/*! Return a function pointer based on name of plugin and function.
+ * If plugin is specified, ask daemon registered function to return 
+ * the dlsym handle of the plugin.
+ */
+void *
+clicon_find_func(clicon_handle h, char *plugin, char *func)
+{
+    find_plugin_t *plgget;
+    void          *dlhandle = NULL;
+
+    if (plugin) {
+	/* find clicon_plugin_get() in global namespace */
+	if ((plgget = clicon_find_plugin(h)) == NULL) {
+	    clicon_err(OE_UNIX, errno, "Specified plugin not supported");
+	    return NULL;
+	}
+	dlhandle = plgget(h, plugin);
+    }
+    
+    return dlsym(dlhandle, func);
+}