ipcpd: Allow specifying fixed syntax

This commits adds the functions and messages to specify a fixed
protocol syntax during CACEP. It also revises the messages for
specifying the DT protocol syntax from the irm tool.

1 files changed, 44 insertions, 0 deletions

diff --git a/include/ouroboros/proto.h b/include/ouroboros/proto.h
new file mode 100644
index 00000000..30c549c0
--- /dev/null
+++ b/include/ouroboros/proto.h
@@ -0,0 +1,44 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2017
+ *
+ * Protocol syntax definitions
+ *
+ *    Dimitri Staessens <dimitri.staessens@ugent.be>
+ *    Sander Vrijders   <sander.vrijders@ugent.be>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef OUROBOROS_PROTO_H
+#define OUROBOROS_PROTO_H
+
+#include <sys/types.h>
+
+#define PROTO_FIELD_ABSENT   -1
+#define PROTO_FIELD_VARIABLE  0
+#define PROTO_MAX_FIELDS      128
+
+enum proto_concrete_syntax {
+        PROTO_GPB = 0,
+        PROTO_ASN_1,
+        PROTO_FIXED
+};
+
+struct proto_field {
+        size_t  fid; /* an ID for the protocol field */
+        ssize_t len; /* 0 variable, -1 not present   */
+};
+
+#endif /* OUROBOROS_PROTO_H */