diff options
author | Anders Broman <anders.broman@ericsson.com> | 2012-05-28 15:24:54 +0000 |
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committer | Anders Broman <anders.broman@ericsson.com> | 2012-05-28 15:24:54 +0000 |
commit | 14eb5154ac0d1015bb4279fa54d4f3e8394af894 (patch) | |
tree | 9cc66f7d1fc31b8cfce81a14ad11ac2407736b61 /epan/dissectors/packet-dmx-text.c | |
parent | 55261641d9101756f4adb30050518eabc717df59 (diff) |
From Erwin Rol:
Artnet, RDM and DMX dissector updates
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7286
svn path=/trunk/; revision=42880
Diffstat (limited to 'epan/dissectors/packet-dmx-text.c')
-rw-r--r-- | epan/dissectors/packet-dmx-text.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/epan/dissectors/packet-dmx-text.c b/epan/dissectors/packet-dmx-text.c new file mode 100644 index 0000000000..61d179465a --- /dev/null +++ b/epan/dissectors/packet-dmx-text.c @@ -0,0 +1,126 @@ +/* packet-dmx-text.c + * DMX Text packet disassembly. + * + * $Id: $ + * + * This dissector is written by + * + * Erwin Rol <erwin@erwinrol.com> + * Copyright 2011 Erwin Rol + * + * Wireshark - Network traffic analyzer + * Gerald Combs <gerald@wireshark.org> + * Copyright 1999 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., 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1301, USA. + */ + +/* + * This dissector is based on; + * American National Standard E1.11 - 2004 + * Entertainment Technology USITT DMX512-A + * Asynchronous Serial Digital Data Transmission Standard + * for Controlling Lighting Equipment and Accessories + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <stdlib.h> +#include <ctype.h> +#include <time.h> +#include <string.h> +#include <epan/packet.h> +#include <epan/addr_resolv.h> +#include <epan/prefs.h> +#include <epan/strutil.h> + +void proto_reg_handoff_dmx_text(void); + +static int proto_dmx_text = -1; + +static int hf_dmx_text_page_nr = -1; +static int hf_dmx_text_line_len = -1; +static int hf_dmx_text_string = -1; + +static int ett_dmx_text = -1; + +static void +dissect_dmx_text(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "DMX Text"); + col_clear(pinfo->cinfo, COL_INFO); + + if (tree != NULL) { + unsigned offset = 0; + unsigned size; + + proto_tree *ti = proto_tree_add_item(tree, proto_dmx_text, tvb, + offset, -1, FALSE); + proto_tree *dmx_text_tree = proto_item_add_subtree(ti, ett_dmx_text); + + proto_tree_add_item(dmx_text_tree, hf_dmx_text_page_nr, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset++; + + proto_tree_add_item(dmx_text_tree, hf_dmx_text_line_len, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset++; + + size = tvb_reported_length_remaining(tvb, offset); + + proto_tree_add_item(dmx_text_tree, hf_dmx_text_string, tvb, + offset, size, ENC_BIG_ENDIAN); + offset += size; + } +} + +void +proto_register_dmx_text(void) +{ + static hf_register_info hf[] = { + { &hf_dmx_text_page_nr, + { "Page Number", + "dmx_text.page_nr", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + { &hf_dmx_text_line_len, + { "Line Length", + "dmx_text.line_length", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + { &hf_dmx_text_string, + { "Text String", + "dmx_text.string", + FT_STRING, BASE_NONE, NULL, 0x0, + NULL, HFILL }}, + }; + + static gint *ett[] = { + &ett_dmx_text + }; + + proto_dmx_text = proto_register_protocol("DMX Text Frame", "DMX Text Frame", "dmx-text"); + proto_register_field_array(proto_dmx_text, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + register_dissector("dmx-text", dissect_dmx_text, proto_dmx_text); +} + +void +proto_reg_handoff_dmx_text(void) +{ +} |