diff options
author | Anders Broman <anders.broman@ericsson.com> | 2012-01-11 19:31:45 +0000 |
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committer | Anders Broman <anders.broman@ericsson.com> | 2012-01-11 19:31:45 +0000 |
commit | e5f14929f150504140424dcc20a7a36dbda33517 (patch) | |
tree | 5d94d01379bf42c4d64ff9ed28e9e76c63b4d8e8 /epan/dissectors/packet-h248_2.c | |
parent | 4defd2a34ec40914cfc375111e5463892c1baf1d (diff) |
Add a dissector for h248.2 packages.
svn path=/trunk/; revision=40439
Diffstat (limited to 'epan/dissectors/packet-h248_2.c')
-rw-r--r-- | epan/dissectors/packet-h248_2.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/epan/dissectors/packet-h248_2.c b/epan/dissectors/packet-h248_2.c new file mode 100644 index 0000000000..be4579192e --- /dev/null +++ b/epan/dissectors/packet-h248_2.c @@ -0,0 +1,157 @@ +/* + * packet-h248_2.c + * + * $Id$ + * + * H.248.2 + * Gateway control protocol: Facsimile, text conversation and call discrimination packages + * + * (c) 2012, Anders broman <anders.broman@ericsson.com> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * 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. + * + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "packet-h248.h" +#define PNAME "H.248.2" +#define PSNAME "H248_2" +#define PFNAME "h248_2" + +static int proto_h248_2 = -1; + +static int hf_h248_2_dtone_evt = -1; +static int hf_h248_2_dtone_dtt_obs_evt = -1; +static int hf_h248_2_dtone_dtt_obs_evt_val = -1; + +static gint ett_h248_2 = -1; +static gint ett_h248_2_dtone_dtt_obs_evt = -1; + + +static const value_string hf_h248_2_dtone_dtt_obs_evt_val_values[] = { + /*For FAX*/ + { 0x0001, "CNG"}, /* A T.30 fax calling tone */ + { 0x0002, "V21flag"}, /* V21 tone and flags for fax answering */ + /* For TEXT */ + { 0x0003, "XCI"}, /* A V.18 XCI */ + { 0x0004, "V18txp1"}, /* A V.18 txp signal in channel V.21(1) */ + { 0x0005, "V18txp2"}, /* A V.18 txp signal in channel V.21(2) */ + { 0x0006, "BellHi"}, /* A Bell 103 carrier on the high channel */ + { 0x0007, "BellLo"}, /* A Bell 103 low channel */ + { 0x0008, "Baudot45"}, /* Baudot45 initial carrier and characters */ + { 0x0008, "Baudot50"}, /* A Baudot50 initial carrier and characters */ + { 0x000a, "Edt"}, /* An EDT initial tone and characters */ + { 0x000b, "DTMF"}, /* DTMF signals */ + { 0x001c, "CTM"}, /* CTM signals */ + /* For DATA */ + { 0x000c, "Sig"}, /* Modulation signal from a mode only used for data, i.e., not V.21, V.23 nor Bell 103 */ + /* Common to TEXT and DATA */ + { 0x000d, "CT"}, /* A V.25 calling tone */ + { 0x000e, "V21hi"}, /* A V.21 carrier on the higher frequency channel */ + { 0x000f, "V21lo"}, /* A V.21 carrier on the low frequency channel */ + { 0x0010, "V23hi"}, /* A V.23 high carrier */ + { 0x0011, "V23lo"}, /* A V.23 low carrier */ + { 0x0012, "CI"}, /* A V.8 CI with contents in "dtvalue" */ + /* Common to FAX, TEXT and DATA */ + { 0x0013, "ANS(T.30 CED)"}, /* V.25 ANS, equivalent to T.30 CED from answering terminal */ + { 0x0014, "ANSbar"}, /* V.25 ANS with phase reversals" */ + { 0x0015, "ANSAM"}, /* V.8 ANSam */ + { 0x0016, "ANSAMbar"}, /* V.8 ANSam with phase reversals */ + { 0x0017, "CM"}, /* V.8 CM with contents in "dtvalue" */ + { 0x0018, "CJ"}, /* V.8 CJ */ + { 0x0019, "JM"}, /* V.8 JM with contents in "dtvalue" */ + { 0x001a, "ENDOFSIG"}, /* End of reported signal detected reported for continuous or repeated signals */ + { 0x001b, "V8BIS"}, /* V.8 bis signal, with signal type in parameter V8bistype and value in "dtvalue" */ + { 0, NULL } +}; + +static h248_pkg_param_t h248_2_dtone_dtt_obs_evt_params[] = { + { 0x0001, &hf_h248_2_dtone_dtt_obs_evt_val, h248_param_ber_integer, NULL }, + { 0, NULL, NULL, NULL} +}; + + +static const value_string h248_2_ctype_events_vals[] = { + { 0x0001, "Discriminating Tone Detected(dtone)"}, + { 0x0002, "Call Type Discrimination Result(calldisres)"}, + { 0, NULL } +}; + +static h248_pkg_evt_t h248_pkg_generic_cause_evts[] = { + { 0x0001, &hf_h248_2_dtone_dtt_obs_evt, &ett_h248_2_dtone_dtt_obs_evt, h248_2_dtone_dtt_obs_evt_params, h248_2_ctype_events_vals}, + { 0, NULL, NULL, NULL, NULL} +}; + + + +/* Call Type Discrimination Package */ +static const h248_package_t h248_pkg_ctype = { + 0x0011, /* Id */ + &proto_h248_2, /* hfid */ + &ett_h248_2, /* ett */ + + NULL, /* value_string param_names */ + NULL, /* value_string signal_names */ + h248_2_ctype_events_vals, /* value_string event_names */ + NULL, /* value_string stats_names */ + + NULL, /* properties */ + NULL, /* signals */ + h248_pkg_generic_cause_evts, /* events */ + NULL /* statistics */ +}; + +void proto_register_h248_dot2(void) { + static hf_register_info hf[] = { + { &hf_h248_2_dtone_evt, + { "Discriminating Tone Type", "h248.2.dtt", + FT_BYTES, BASE_NONE, NULL, 0, + NULL, HFILL } + }, + { &hf_h248_2_dtone_dtt_obs_evt, + { "Discriminating Tone Type(dtt)", "h248.2.dtt", + FT_BYTES, BASE_NONE, NULL, 0, + NULL, HFILL } + }, + { &hf_h248_2_dtone_dtt_obs_evt_val, + { "call type", "h248.2.dtt.val", + FT_UINT32, BASE_DEC, VALS(hf_h248_2_dtone_dtt_obs_evt_val_values) , 0, + NULL, HFILL } + }, + + }; + + static gint *ett[] = { + &ett_h248_2, + &ett_h248_2_dtone_dtt_obs_evt, + }; + + proto_h248_2 = proto_register_protocol(PNAME, PSNAME, PFNAME); + + proto_register_field_array(proto_h248_2, hf, array_length(hf)); + + proto_register_subtree_array(ett, array_length(ett)); + + h248_register_package(&h248_pkg_ctype); +} + + |