Add sigcomp Universal Decompressor Virtual Machine (UDVM) and state handler, for decompression of

sigcomp messages. Currently states are or not saved so only messages with bytecode can be decompressed.

svn path=/trunk/; revision=12236

1 files changed, 42 insertions, 0 deletions

diff --git a/epan/sigcomp_state_hdlr.h b/epan/sigcomp_state_hdlr.h
new file mode 100644
index 0000000000..a49250f20f
--- /dev/null
+++ b/epan/sigcomp_state_hdlr.h
@@ -0,0 +1,42 @@
+/* sigcomp_state_hdlr.c
+ * Routines making up the State handler of the Univerasl Decompressor Virtual Machine (UDVM) 
+ * used for Signaling Compression (SigComp) dissection.
+ * Copyright 2004, Anders Broman <anders.broman@ericsson.com>
+ *
+ * $Id: udvm.c 11445 2004-07-20 19:04:48Z etxrab $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * Copyright 1998 Gerald Combs
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * References:
+ * http://www.ietf.org/rfc/rfc3320.txt?number=3320
+ * http://www.ietf.org/rfc/rfc3321.txt?number=3321
+ * Useful links :
+ * http://www.ietf.org/internet-drafts/draft-ietf-rohc-sigcomp-impl-guide-03.txt
+ * http://www.ietf.org/internet-drafts/draft-ietf-rohc-sigcomp-sip-01.txt
+ */
+
+#ifndef SIGCOMP_STATE_HDLR_H
+#define SIGCOMP_STATE_HDLR_H
+
+extern int udvm_state_access(guint8 buff[],guint16 p_id_start, guint16 p_id_length, guint16 state_begin, guint16 state_length, 
+								guint16 state_address, guint16 state_instruction);
+
+extern void udvm_state_create(guint8 state_buff[],guint8 state_identifier_buff[]);
+
+#endif 
+/* SIGCOMP_STATE_HDLR_H */