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diff --git a/src/ipcpd/normal/cdap_request.h b/src/ipcpd/normal/cdap_request.h
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+++ b/src/ipcpd/normal/cdap_request.h
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+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * Normal IPCP - RIB Manager - CDAP request
+ *
+ *    Sander Vrijders   <[email protected]>
+ *    Dimitri Staessens <[email protected]>
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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.
+ */
+
+#ifndef OUROBOROS_IPCPD_NORMAL_CDAP_REQUEST_H
+#define OUROBOROS_IPCPD_NORMAL_CDAP_REQUEST_H
+
+#include <ouroboros/config.h>
+#include <ouroboros/cdap.h>
+#include <ouroboros/list.h>
+
+#include <pthread.h>
+
+enum cdap_opcode {
+        READ = 0,
+        WRITE,
+        START,
+        STOP,
+        CREATE,
+        DELETE
+};
+
+enum creq_state {
+        REQ_INIT = 0,
+        REQ_PENDING,
+        REQ_RESPONSE,
+        REQ_DONE,
+        REQ_DESTROY
+};
+
+struct cdap_request {
+        struct list_head next;
+
+        enum cdap_opcode code;
+        char *           name;
+        int              invoke_id;
+        struct cdap *    instance;
+
+        int              result;
+
+        enum creq_state  state;
+        pthread_cond_t   cond;
+        pthread_mutex_t  lock;
+};
+
+struct cdap_request * cdap_request_create(enum cdap_opcode code,
+                                          char *           name,
+                                          int              invoke_id,
+                                          struct cdap *    instance);
+
+void                  cdap_request_destroy(struct cdap_request * creq);
+
+int                   cdap_request_wait(struct cdap_request * creq);
+
+void                  cdap_request_respond(struct cdap_request * creq,
+                                           int                   response);
+
+#endif /* OUROBOROS_IPCPD_NORMAL_CDAP_REQUEST_H */