Mercurial > hg > audiostuff
diff spandsp-0.0.6pre17/src/t30_logging.c @ 4:26cd8f1ef0b1
import spandsp-0.0.6pre17
author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
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date | Fri, 25 Jun 2010 15:50:58 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/spandsp-0.0.6pre17/src/t30_logging.c Fri Jun 25 15:50:58 2010 +0200 @@ -0,0 +1,945 @@ +/* + * SpanDSP - a series of DSP components for telephony + * + * t30_logging.c - ITU T.30 FAX transfer processing + * + * Written by Steve Underwood <steveu@coppice.org> + * + * Copyright (C) 2003, 2004, 2005, 2006, 2007 Steve Underwood + * + * All rights reserved. + * + * This program 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 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * $Id: t30_logging.c,v 1.12.4.2 2009/12/19 10:44:10 steveu Exp $ + */ + +/*! \file */ + +#if defined(HAVE_CONFIG_H) +#include "config.h" +#endif + +#include <stdlib.h> +#include <stdio.h> +#include <inttypes.h> +#include <string.h> +#include <fcntl.h> +#include <time.h> +#if defined(HAVE_TGMATH_H) +#include <tgmath.h> +#endif +#if defined(HAVE_MATH_H) +#include <math.h> +#endif +#include "floating_fudge.h" +#include <tiffio.h> + +#include "spandsp/telephony.h" +#include "spandsp/logging.h" +#include "spandsp/bit_operations.h" +#include "spandsp/queue.h" +#include "spandsp/power_meter.h" +#include "spandsp/complex.h" +#include "spandsp/tone_generate.h" +#include "spandsp/async.h" +#include "spandsp/hdlc.h" +#include "spandsp/fsk.h" +#include "spandsp/v29rx.h" +#include "spandsp/v29tx.h" +#include "spandsp/v27ter_rx.h" +#include "spandsp/v27ter_tx.h" +#include "spandsp/t4_rx.h" +#include "spandsp/t4_tx.h" +#include "spandsp/t30_fcf.h" +#include "spandsp/t35.h" +#include "spandsp/t30.h" +#include "spandsp/t30_logging.h" + +#include "spandsp/private/logging.h" +#include "spandsp/private/t4_rx.h" +#include "spandsp/private/t4_tx.h" +#include "spandsp/private/t30.h" + +#include "t30_local.h" + +/*! Value string pair structure */ +typedef struct +{ + int val; + const char *str; +} value_string_t; + +enum +{ + DISBIT1 = 0x01, + DISBIT2 = 0x02, + DISBIT3 = 0x04, + DISBIT4 = 0x08, + DISBIT5 = 0x10, + DISBIT6 = 0x20, + DISBIT7 = 0x40, + DISBIT8 = 0x80 +}; + +SPAN_DECLARE(const char *) t30_completion_code_to_str(int result) +{ + switch (result) + { + case T30_ERR_OK: + return "OK"; + case T30_ERR_CEDTONE: + return "The CED tone exceeded 5s"; + case T30_ERR_T0_EXPIRED: + return "Timed out waiting for initial communication"; + case T30_ERR_T1_EXPIRED: + return "Timed out waiting for the first message"; + case T30_ERR_T3_EXPIRED: + return "Timed out waiting for procedural interrupt"; + case T30_ERR_HDLC_CARRIER: + return "The HDLC carrier did not stop in a timely manner"; + case T30_ERR_CANNOT_TRAIN: + return "Failed to train with any of the compatible modems"; + case T30_ERR_OPER_INT_FAIL: + return "Operator intervention failed"; + case T30_ERR_INCOMPATIBLE: + return "Far end is not compatible"; + case T30_ERR_RX_INCAPABLE: + return "Far end is not able to receive"; + case T30_ERR_TX_INCAPABLE: + return "Far end is not able to transmit"; + case T30_ERR_NORESSUPPORT: + return "Far end cannot receive at the resolution of the image"; + case T30_ERR_NOSIZESUPPORT: + return "Far end cannot receive at the size of image"; + case T30_ERR_UNEXPECTED: + return "Unexpected message received"; + case T30_ERR_TX_BADDCS: + return "Received bad response to DCS or training"; + case T30_ERR_TX_BADPG: + return "Received a DCN from remote after sending a page"; + case T30_ERR_TX_ECMPHD: + return "Invalid ECM response received from receiver"; + case T30_ERR_TX_GOTDCN: + return "Received a DCN while waiting for a DIS"; + case T30_ERR_TX_INVALRSP: + return "Invalid response after sending a page"; + case T30_ERR_TX_NODIS: + return "Received other than DIS while waiting for DIS"; + case T30_ERR_TX_PHBDEAD: + return "Received no response to DCS or TCF"; + case T30_ERR_TX_PHDDEAD: + return "No response after sending a page"; + case T30_ERR_TX_T5EXP: + return "Timed out waiting for receiver ready (ECM mode)"; + case T30_ERR_RX_ECMPHD: + return "Invalid ECM response received from transmitter"; + case T30_ERR_RX_GOTDCS: + return "DCS received while waiting for DTC"; + case T30_ERR_RX_INVALCMD: + return "Unexpected command after page received"; + case T30_ERR_RX_NOCARRIER: + return "Carrier lost during fax receive"; + case T30_ERR_RX_NOEOL: + return "Timed out while waiting for EOL (end Of line)"; + case T30_ERR_RX_NOFAX: + return "Timed out while waiting for first line"; + case T30_ERR_RX_T2EXPDCN: + return "Timer T2 expired while waiting for DCN"; + case T30_ERR_RX_T2EXPD: + return "Timer T2 expired while waiting for phase D"; + case T30_ERR_RX_T2EXPFAX: + return "Timer T2 expired while waiting for fax page"; + case T30_ERR_RX_T2EXPMPS: + return "Timer T2 expired while waiting for next fax page"; + case T30_ERR_RX_T2EXPRR: + return "Timer T2 expired while waiting for RR command"; + case T30_ERR_RX_T2EXP: + return "Timer T2 expired while waiting for NSS, DCS or MCF"; + case T30_ERR_RX_DCNWHY: + return "Unexpected DCN while waiting for DCS or DIS"; + case T30_ERR_RX_DCNDATA: + return "Unexpected DCN while waiting for image data"; + case T30_ERR_RX_DCNFAX: + return "Unexpected DCN while waiting for EOM, EOP or MPS"; + case T30_ERR_RX_DCNPHD: + return "Unexpected DCN after EOM or MPS sequence"; + case T30_ERR_RX_DCNRRD: + return "Unexpected DCN after RR/RNR sequence"; + case T30_ERR_RX_DCNNORTN: + return "Unexpected DCN after requested retransmission"; + case T30_ERR_FILEERROR: + return "TIFF/F file cannot be opened"; + case T30_ERR_NOPAGE: + return "TIFF/F page not found"; + case T30_ERR_BADTIFF: + return "TIFF/F format is not compatible"; + case T30_ERR_BADPAGE: + return "TIFF/F page number tag missing"; + case T30_ERR_BADTAG: + return "Incorrect values for TIFF/F tags"; + case T30_ERR_BADTIFFHDR: + return "Bad TIFF/F header - incorrect values in fields"; + case T30_ERR_NOMEM: + return "Cannot allocate memory for more pages"; + case T30_ERR_RETRYDCN: + return "Disconnected after permitted retries"; + case T30_ERR_CALLDROPPED: + return "The call dropped prematurely"; + case T30_ERR_NOPOLL: + return "Poll not accepted"; + case T30_ERR_IDENT_UNACCEPTABLE: + return "Ident not accepted"; + case T30_ERR_PSA_UNACCEPTABLE: + return "Polled sub-address not accepted"; + case T30_ERR_SEP_UNACCEPTABLE: + return "Selective polling address not accepted"; + case T30_ERR_SID_UNACCEPTABLE: + return "Sender identification not accepted"; + case T30_ERR_PWD_UNACCEPTABLE: + return "Password not accepted"; + case T30_ERR_SUB_UNACCEPTABLE: + return "Sub-address not accepted"; + case T30_ERR_TSA_UNACCEPTABLE: + return "Transmitting subscriber internet address not accepted"; + case T30_ERR_IRA_UNACCEPTABLE: + return "Internet routing address not accepted"; + case T30_ERR_CIA_UNACCEPTABLE: + return "Calling subscriber internet address not accepted"; + case T30_ERR_ISP_UNACCEPTABLE: + return "Internet selective polling address not accepted"; + case T30_ERR_CSA_UNACCEPTABLE: + return "Called subscriber internet address not accepted"; + } + return "???"; +} +/*- End of function --------------------------------------------------------*/ + +SPAN_DECLARE(const char *) t30_frametype(uint8_t x) +{ + switch (x) + { + case T30_DIS: + return "DIS"; + case T30_CSI: + return "CSI"; + case T30_NSF: + return "NSF"; + case T30_DTC: + return "DTC"; + case T30_CIG: + return "CIG"; + case T30_NSC: + return "NSC"; + case T30_PWD: + return "PWD"; + case T30_SEP: + return "SEP"; + case T30_PSA: + return "PSA"; + case T30_CIA: + return "CIA"; + case T30_ISP: + return "ISP"; + case T30_DCS: + case T30_DCS | 0x01: + return "DCS"; + case T30_TSI: + case T30_TSI | 0x01: + return "TSI"; + case T30_NSS: + case T30_NSS | 0x01: + return "NSS"; + case T30_SUB: + case T30_SUB | 0x01: + return "SUB"; + case T30_SID: + case T30_SID | 0x01: + return "SID"; + case T30_CTC: + case T30_CTC | 0x01: + return "CTC"; + case T30_TSA: + case T30_TSA | 0x01: + return "TSA"; + case T30_IRA: + case T30_IRA | 0x01: + return "IRA"; + case T30_CFR: + case T30_CFR | 0x01: + return "CFR"; + case T30_FTT: + case T30_FTT | 0x01: + return "FTT"; + case T30_CTR: + case T30_CTR | 0x01: + return "CTR"; + case T30_CSA: + case T30_CSA | 0x01: + return "CSA"; + case T30_EOM: + case T30_EOM | 0x01: + return "EOM"; + case T30_MPS: + case T30_MPS | 0x01: + return "MPS"; + case T30_EOP: + case T30_EOP | 0x01: + return "EOP"; + case T30_PRI_EOM: + case T30_PRI_EOM | 0x01: + return "PRI-EOM"; + case T30_PRI_MPS: + case T30_PRI_MPS | 0x01: + return "PRI-MPS"; + case T30_PRI_EOP: + case T30_PRI_EOP | 0x01: + return "PRI-EOP"; + case T30_EOS: + case T30_EOS | 0x01: + return "EOS"; + case T30_PPS: + case T30_PPS | 0x01: + return "PPS"; + case T30_EOR: + case T30_EOR | 0x01: + return "EOR"; + case T30_RR: + case T30_RR | 0x01: + return "RR"; + case T30_MCF: + case T30_MCF | 0x01: + return "MCF"; + case T30_RTP: + case T30_RTP | 0x01: + return "RTP"; + case T30_RTN: + case T30_RTN | 0x01: + return "RTN"; + case T30_PIP: + case T30_PIP | 0x01: + return "PIP"; + case T30_PIN: + case T30_PIN | 0x01: + return "PIN"; + case T30_PPR: + case T30_PPR | 0x01: + return "PPR"; + case T30_RNR: + case T30_RNR | 0x01: + return "RNR"; + case T30_ERR: + case T30_ERR | 0x01: + return "ERR"; + case T30_FDM: + case T30_FDM | 0x01: + return "FDM"; + case T30_DCN: + case T30_DCN | 0x01: + return "DCN"; + case T30_CRP: + case T30_CRP | 0x01: + return "CRP"; + case T30_FNV: + case T30_FNV | 0x01: + return "FNV"; + case T30_TNR: + case T30_TNR | 0x01: + return "TNR"; + case T30_TR: + case T30_TR | 0x01: + return "TR"; + case T30_TK: + return "TK"; + case T30_RK: + return "RK"; +#if 0 + case T30_PSS: + return "PSS"; +#endif + case T30_DES: + return "DES"; + case T30_DEC: + return "DEC"; + case T30_DER: + return "DER"; +#if 0 + case T30_DTR: + return "DTR"; +#endif + case T30_DNK: + case T30_DNK | 0x01: + return "DNK"; + case T30_PID: + case T30_PID | 0x01: + return "PID"; + case T30_NULL: + return "NULL"; + case T4_FCD: + return "FCD"; + case T4_RCP: + return "RCP"; + } + return "???"; +} +/*- End of function --------------------------------------------------------*/ + +static void octet_reserved_bit(logging_state_t *log, + const uint8_t *msg, + int bit_no, + int expected) +{ + char s[10] = ".... ...."; + int bit; + uint8_t octet; + + /* Break out the octet and the bit number within it. */ + octet = msg[((bit_no - 1) >> 3) + 3]; + bit_no = (bit_no - 1) & 7; + /* Now get the actual bit. */ + bit = (octet >> bit_no) & 1; + /* Is it what it should be. */ + if (bit ^ expected) + { + /* Only log unexpected values. */ + s[7 - bit_no + ((bit_no < 4) ? 1 : 0)] = (uint8_t) (bit + '0'); + span_log(log, SPAN_LOG_FLOW, " %s= Unexpected state for reserved bit: %d\n", s, bit); + } +} +/*- End of function --------------------------------------------------------*/ + +static void octet_bit_field(logging_state_t *log, + const uint8_t *msg, + int bit_no, + const char *desc, + const char *yeah, + const char *neigh) +{ + char s[10] = ".... ...."; + int bit; + uint8_t octet; + const char *tag; + + /* Break out the octet and the bit number within it. */ + octet = msg[((bit_no - 1) >> 3) + 3]; + bit_no = (bit_no - 1) & 7; + /* Now get the actual bit. */ + bit = (octet >> bit_no) & 1; + /* Edit the bit string for display. */ + s[7 - bit_no + ((bit_no < 4) ? 1 : 0)] = (uint8_t) (bit + '0'); + /* Find the right tag to display. */ + if (bit) + { + if ((tag = yeah) == NULL) + tag = "Set"; + } + else + { + if ((tag = neigh) == NULL) + tag = "Not set"; + } + /* Eh, voila! */ + span_log(log, SPAN_LOG_FLOW, " %s= %s: %s\n", s, desc, tag); +} +/*- End of function --------------------------------------------------------*/ + +static void octet_field(logging_state_t *log, + const uint8_t *msg, + int start, + int end, + const char *desc, + const value_string_t tags[]) +{ + char s[10] = ".... ...."; + int i; + uint8_t octet; + const char *tag; + + /* Break out the octet and the bit number range within it. */ + octet = msg[((start - 1) >> 3) + 3]; + start = (start - 1) & 7; + end = ((end - 1) & 7) + 1; + + /* Edit the bit string for display. */ + for (i = start; i < end; i++) + s[7 - i + ((i < 4) ? 1 : 0)] = (uint8_t) ((octet >> i) & 1) + '0'; + + /* Find the right tag to display. */ + octet = (uint8_t) ((octet >> start) & ((0xFF + (1 << (end - start))) & 0xFF)); + tag = "Invalid"; + for (i = 0; tags[i].str; i++) + { + if (octet == tags[i].val) + { + tag = tags[i].str; + break; + } + } + /* Eh, voila! */ + span_log(log, SPAN_LOG_FLOW, " %s= %s: %s\n", s, desc, tag); +} +/*- End of function --------------------------------------------------------*/ + +SPAN_DECLARE(void) t30_decode_dis_dtc_dcs(t30_state_t *s, const uint8_t *pkt, int len) +{ + logging_state_t *log; + uint8_t frame_type; + static const value_string_t available_signalling_rate_tags[] = + { + { 0x00, "V.27 ter fall-back mode" }, + { 0x01, "V.29" }, + { 0x02, "V.27 ter" }, + { 0x03, "V.27 ter and V.29" }, + { 0x0B, "V.27 ter, V.29, and V.17" }, + { 0x06, "Reserved" }, + { 0x0A, "Reserved" }, + { 0x0E, "Reserved" }, + { 0x0F, "Reserved" }, + { 0x04, "Not used" }, + { 0x05, "Not used" }, + { 0x08, "Not used" }, + { 0x09, "Not used" }, + { 0x0C, "Not used" }, + { 0x0D, "Not used" }, + { 0x00, NULL } + }; + static const value_string_t selected_signalling_rate_tags[] = + { + { 0x00, "V.27ter 2400bps" }, + { 0x01, "V.29, 9600bps" }, + { 0x02, "V.27ter 4800bps" }, + { 0x03, "V.29 7200bps" }, + { 0x08, "V.17 14400bps" }, + { 0x09, "V.17 9600bps" }, + { 0x0A, "V.17 12000bps" }, + { 0x0B, "V.17 7200bps" }, + { 0x05, "Reserved" }, + { 0x07, "Reserved" }, + { 0x0C, "Reserved" }, + { 0x0D, "Reserved" }, + { 0x0E, "Reserved" }, + { 0x0F, "Reserved" }, + { 0x00, NULL } + }; + static const value_string_t available_scan_line_length_tags[] = + { + { 0x00, "215mm +- 1%" }, + { 0x01, "215mm +- 1% and 255mm +- 1%" }, + { 0x02, "215mm +- 1%, 255mm +- 1% and 303mm +- 1%" }, + { 0x00, NULL } + }; + static const value_string_t selected_scan_line_length_tags[] = + { + { 0x00, "215mm +- 1%" }, + { 0x01, "255mm +- 1%" }, + { 0x02, "303mm +- 1%" }, + { 0x00, NULL } + }; + static const value_string_t available_recording_length_tags[] = + { + { 0x00, "A4 (297mm)" }, + { 0x01, "A4 (297mm) and B4 (364mm)" }, + { 0x02, "Unlimited" }, + { 0x00, NULL } + }; + static const value_string_t selected_recording_length_tags[] = + { + { 0x00, "A4 (297mm)" }, + { 0x01, "B4 (364mm)" }, + { 0x02, "Unlimited" }, + { 0x00, NULL } + }; + static const value_string_t available_minimum_scan_line_time_tags[] = + { + { 0x00, "20ms at 3.85 l/mm; T7.7 = T3.85" }, + { 0x01, "5ms at 3.85 l/mm; T7.7 = T3.85" }, + { 0x02, "10ms at 3.85 l/mm; T7.7 = T3.85" }, + { 0x03, "20ms at 3.85 l/mm; T7.7 = 1/2 T3.85" }, + { 0x04, "40ms at 3.85 l/mm; T7.7 = T3.85" }, + { 0x05, "40ms at 3.85 l/mm; T7.7 = 1/2 T3.85" }, + { 0x06, "10ms at 3.85 l/mm; T7.7 = 1/2 T3.85" }, + { 0x07, "0ms at 3.85 l/mm; T7.7 = T3.85" }, + { 0x00, NULL } + }; + static const value_string_t selected_minimum_scan_line_time_tags[] = + { + { 0x00, "20ms" }, + { 0x01, "5ms" }, + { 0x02, "10ms" }, + { 0x04, "40ms" }, + { 0x07, "0ms" }, + { 0x00, NULL } + }; + static const value_string_t shared_data_memory_capacity_tags[] = + { + { 0x00, "Not available" }, + { 0x01, "Level 2 = 2.0 Mbytes" }, + { 0x02, "Level 1 = 1.0 Mbytes" }, + { 0x03, "Level 3 = unlimited (i.e. >= 32 Mbytes)" }, + { 0x00, NULL } + }; + static const value_string_t t89_profile_tags[] = + { + { 0x00, "Not used" }, + { 0x01, "Profiles 2 and 3" }, + { 0x02, "Profile 2" }, + { 0x04, "Profile 1" }, + { 0x06, "Profile 3" }, + { 0x03, "Reserved" }, + { 0x05, "Reserved" }, + { 0x07, "Reserved" }, + { 0x00, NULL } + }; + static const value_string_t t44_mixed_raster_content_tags[] = + { + { 0x00, "0" }, + { 0x01, "1" }, + { 0x02, "2" }, + { 0x32, "3" }, + { 0x04, "4" }, + { 0x05, "5" }, + { 0x06, "6" }, + { 0x07, "7" }, + { 0x00, NULL } + }; + + if (!span_log_test(&s->logging, SPAN_LOG_FLOW)) + return; + frame_type = pkt[2] & 0xFE; + log = &s->logging; + if (len <= 2) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + span_log(log, SPAN_LOG_FLOW, "%s:\n", t30_frametype(pkt[2])); + if (len <= 3) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + octet_bit_field(log, pkt, 1, "Store and forward Internet fax (T.37)", NULL, NULL); + octet_reserved_bit(log, pkt, 2, 0); + octet_bit_field(log, pkt, 3, "Real-time Internet fax (T.38)", NULL, NULL); + octet_bit_field(log, pkt, 4, "3G mobile network", NULL, NULL); + octet_reserved_bit(log, pkt, 5, 0); + if (frame_type == T30_DCS) + { + octet_reserved_bit(log, pkt, 6, 0); + octet_reserved_bit(log, pkt, 7, 0); + } + else + { + octet_bit_field(log, pkt, 6, "V.8 capabilities", NULL, NULL); + octet_bit_field(log, pkt, 7, "Preferred octets", "64 octets", "256 octets"); + } + octet_reserved_bit(log, pkt, 8, 0); + if (len <= 4) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + if (frame_type == T30_DCS) + { + octet_reserved_bit(log, pkt, 9, 0); + octet_bit_field(log, pkt, 10, "Receive fax", NULL, NULL); + octet_field(log, pkt, 11, 14, "Selected data signalling rate", selected_signalling_rate_tags); + } + else + { + octet_bit_field(log, pkt, 9, "Ready to transmit a fax document (polling)", NULL, NULL); + octet_bit_field(log, pkt, 10, "Can receive fax", NULL, NULL); + octet_field(log, pkt, 11, 14, "Supported data signalling rates", available_signalling_rate_tags); + } + octet_bit_field(log, pkt, 15, "R8x7.7lines/mm and/or 200x200pels/25.4mm", NULL, NULL); + octet_bit_field(log, pkt, 16, "2-D coding", NULL, NULL); + if (len <= 5) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + if (frame_type == T30_DCS) + { + octet_field(log, pkt, 17, 18, "Recording width", selected_scan_line_length_tags); + octet_field(log, pkt, 19, 20, "Recording length", selected_recording_length_tags); + octet_field(log, pkt, 21, 23, "Minimum scan line time", selected_minimum_scan_line_time_tags); + } + else + { + octet_field(log, pkt, 17, 18, "Recording width", available_scan_line_length_tags); + octet_field(log, pkt, 19, 20, "Recording length", available_recording_length_tags); + octet_field(log, pkt, 21, 23, "Receiver's minimum scan line time", available_minimum_scan_line_time_tags); + } + octet_bit_field(log, pkt, 24, "Extension indicator", NULL, NULL); + if (!(pkt[5] & DISBIT8)) + return; + if (len <= 6) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + octet_reserved_bit(log, pkt, 25, 0); + octet_bit_field(log, pkt, 26, "Compressed/uncompressed mode", "Uncompressed", "Compressed"); + octet_bit_field(log, pkt, 27, "Error correction mode (ECM)", "ECM", "Non-ECM"); + if (frame_type == T30_DCS) + octet_bit_field(log, pkt, 28, "Frame size", "64 octets", "256 octets"); + else + octet_reserved_bit(log, pkt, 28, 0); + octet_reserved_bit(log, pkt, 29, 0); + octet_reserved_bit(log, pkt, 30, 0); + octet_bit_field(log, pkt, 31, "T.6 coding", NULL, NULL); + octet_bit_field(log, pkt, 32, "Extension indicator", NULL, NULL); + if (!(pkt[6] & DISBIT8)) + return; + if (len <= 7) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + octet_bit_field(log, pkt, 33, "\"Field not valid\" supported", NULL, NULL); + if (frame_type == T30_DCS) + { + octet_reserved_bit(log, pkt, 34, 0); + octet_reserved_bit(log, pkt, 35, 0); + } + else + { + octet_bit_field(log, pkt, 34, "Multiple selective polling", NULL, NULL); + octet_bit_field(log, pkt, 35, "Polled sub-address", NULL, NULL); + } + octet_bit_field(log, pkt, 36, "T.43 coding", NULL, NULL); + octet_bit_field(log, pkt, 37, "Plane interleave", NULL, NULL); + octet_bit_field(log, pkt, 38, "Voice coding with 32kbit/s ADPCM (Rec. G.726)", NULL, NULL); + octet_bit_field(log, pkt, 39, "Reserved for the use of extended voice coding set", NULL, NULL); + octet_bit_field(log, pkt, 40, "Extension indicator", NULL, NULL); + if (!(pkt[7] & DISBIT8)) + return; + if (len <= 8) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + octet_bit_field(log, pkt, 41, "R8x15.4lines/mm", NULL, NULL); + octet_bit_field(log, pkt, 42, "300x300pels/25.4mm", NULL, NULL); + octet_bit_field(log, pkt, 43, "R16x15.4lines/mm and/or 400x400pels/25.4mm", NULL, NULL); + if (frame_type == T30_DCS) + { + octet_bit_field(log, pkt, 44, "Resolution type selection", "Inch", "Metric"); + octet_reserved_bit(log, pkt, 45, 0); + octet_reserved_bit(log, pkt, 46, 0); + octet_reserved_bit(log, pkt, 47, 0); + } + else + { + octet_bit_field(log, pkt, 44, "Inch-based resolution preferred", NULL, NULL); + octet_bit_field(log, pkt, 45, "Metric-based resolution preferred", NULL, NULL); + octet_bit_field(log, pkt, 46, "Minimum scan line time for higher resolutions", "T15.4 = 1/2 T7.7", "T15.4 = T7.7"); + octet_bit_field(log, pkt, 47, "Selective polling", NULL, NULL); + } + octet_bit_field(log, pkt, 48, "Extension indicator", NULL, NULL); + if (!(pkt[8] & DISBIT8)) + return; + if (len <= 9) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + octet_bit_field(log, pkt, 49, "Sub-addressing", NULL, NULL); + if (frame_type == T30_DCS) + { + octet_bit_field(log, pkt, 50, "Sender identification transmission", NULL, NULL); + octet_reserved_bit(log, pkt, 51, 0); + } + else + { + octet_bit_field(log, pkt, 50, "Password", NULL, NULL); + octet_bit_field(log, pkt, 51, "Ready to transmit a data file (polling)", NULL, NULL); + } + octet_reserved_bit(log, pkt, 52, 0); + octet_bit_field(log, pkt, 53, "Binary file transfer (BFT)", NULL, NULL); + octet_bit_field(log, pkt, 54, "Document transfer mode (DTM)", NULL, NULL); + octet_bit_field(log, pkt, 55, "Electronic data interchange (EDI)", NULL, NULL); + octet_bit_field(log, pkt, 56, "Extension indicator", NULL, NULL); + if (!(pkt[9] & DISBIT8)) + return; + if (len <= 10) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + octet_bit_field(log, pkt, 57, "Basic transfer mode (BTM)", NULL, NULL); + octet_reserved_bit(log, pkt, 58, 0); + if (frame_type == T30_DCS) + octet_reserved_bit(log, pkt, 59, 0); + else + octet_bit_field(log, pkt, 59, "Ready to transfer a character or mixed mode document (polling)", NULL, NULL); + octet_bit_field(log, pkt, 60, "Character mode", NULL, NULL); + octet_reserved_bit(log, pkt, 61, 0); + octet_bit_field(log, pkt, 62, "Mixed mode (Annex E/T.4)", NULL, NULL); + octet_reserved_bit(log, pkt, 63, 0); + octet_bit_field(log, pkt, 64, "Extension indicator", NULL, NULL); + if (!(pkt[10] & DISBIT8)) + return; + if (len <= 11) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + octet_bit_field(log, pkt, 65, "Processable mode 26 (Rec. T.505)", NULL, NULL); + octet_bit_field(log, pkt, 66, "Digital network capability", NULL, NULL); + octet_bit_field(log, pkt, 67, "Duplex capability", "Full", "Half only"); + if (frame_type == T30_DCS) + octet_bit_field(log, pkt, 68, "Full colour mode", NULL, NULL); + else + octet_bit_field(log, pkt, 68, "JPEG coding", NULL, NULL); + octet_bit_field(log, pkt, 69, "Full colour mode", NULL, NULL); + if (frame_type == T30_DCS) + octet_bit_field(log, pkt, 70, "Preferred Huffman tables", NULL, NULL); + else + octet_reserved_bit(log, pkt, 70, 0); + octet_bit_field(log, pkt, 71, "12bits/pel component", NULL, NULL); + octet_bit_field(log, pkt, 72, "Extension indicator", NULL, NULL); + if (!(pkt[11] & DISBIT8)) + return; + if (len <= 12) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + octet_bit_field(log, pkt, 73, "No subsampling (1:1:1)", NULL, NULL); + octet_bit_field(log, pkt, 74, "Custom illuminant", NULL, NULL); + octet_bit_field(log, pkt, 75, "Custom gamut range", NULL, NULL); + octet_bit_field(log, pkt, 76, "North American Letter (215.9mm x 279.4mm)", NULL, NULL); + octet_bit_field(log, pkt, 77, "North American Legal (215.9mm x 355.6mm)", NULL, NULL); + octet_bit_field(log, pkt, 78, "Single-progression sequential coding (Rec. T.85) basic", NULL, NULL); + octet_bit_field(log, pkt, 79, "Single-progression sequential coding (Rec. T.85) optional L0", NULL, NULL); + octet_bit_field(log, pkt, 80, "Extension indicator", NULL, NULL); + if (!(pkt[12] & DISBIT8)) + return; + if (len <= 13) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + octet_bit_field(log, pkt, 81, "HKM key management", NULL, NULL); + octet_bit_field(log, pkt, 82, "RSA key management", NULL, NULL); + octet_bit_field(log, pkt, 83, "Override", NULL, NULL); + octet_bit_field(log, pkt, 84, "HFX40 cipher", NULL, NULL); + octet_bit_field(log, pkt, 85, "Alternative cipher number 2", NULL, NULL); + octet_bit_field(log, pkt, 86, "Alternative cipher number 3", NULL, NULL); + octet_bit_field(log, pkt, 87, "HFX40-I hashing", NULL, NULL); + octet_bit_field(log, pkt, 88, "Extension indicator", NULL, NULL); + if (!(pkt[13] & DISBIT8)) + return; + if (len <= 14) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + octet_bit_field(log, pkt, 89, "Alternative hashing system 2", NULL, NULL); + octet_bit_field(log, pkt, 90, "Alternative hashing system 3", NULL, NULL); + octet_bit_field(log, pkt, 91, "Reserved for future security features", NULL, NULL); + octet_field(log, pkt, 92, 94, "T.44 (Mixed Raster Content)", t44_mixed_raster_content_tags); + octet_bit_field(log, pkt, 95, "Page length maximum stripe size for T.44 (Mixed Raster Content)", NULL, NULL); + octet_bit_field(log, pkt, 96, "Extension indicator", NULL, NULL); + if (!(pkt[14] & DISBIT8)) + return; + if (len <= 15) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + octet_bit_field(log, pkt, 97, "Colour/gray-scale 300pels/25.4mm x 300lines/25.4mm or 400pels/25.4mm x 400lines/25.4mm resolution", NULL, NULL); + octet_bit_field(log, pkt, 98, "100pels/25.4mm x 100lines/25.4mm for colour/gray scale", NULL, NULL); + octet_bit_field(log, pkt, 99, "Simple phase C BFT negotiations", NULL, NULL); + if (frame_type == T30_DCS) + { + octet_reserved_bit(log, pkt, 100, 0); + octet_reserved_bit(log, pkt, 101, 0); + } + else + { + octet_bit_field(log, pkt, 100, "Extended BFT Negotiations capable", NULL, NULL); + octet_bit_field(log, pkt, 101, "Internet Selective Polling address (ISP)", NULL, NULL); + } + octet_bit_field(log, pkt, 102, "Internet Routing Address (IRA)", NULL, NULL); + octet_reserved_bit(log, pkt, 103, 0); + octet_bit_field(log, pkt, 104, "Extension indicator", NULL, NULL); + if (!(pkt[15] & DISBIT8)) + return; + if (len <= 16) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + octet_bit_field(log, pkt, 105, "600pels/25.4mm x 600lines/25.4mm", NULL, NULL); + octet_bit_field(log, pkt, 106, "1200pels/25.4mm x 1200lines/25.4mm", NULL, NULL); + octet_bit_field(log, pkt, 107, "300pels/25.4mm x 600lines/25.4mm", NULL, NULL); + octet_bit_field(log, pkt, 108, "400pels/25.4mm x 800lines/25.4mm", NULL, NULL); + octet_bit_field(log, pkt, 109, "600pels/25.4mm x 1200lines/25.4mm", NULL, NULL); + octet_bit_field(log, pkt, 110, "Colour/gray scale 600pels/25.4mm x 600lines/25.4mm", NULL, NULL); + octet_bit_field(log, pkt, 111, "Colour/gray scale 1200pels/25.4mm x 1200lines/25.4mm", NULL, NULL); + octet_bit_field(log, pkt, 112, "Extension indicator", NULL, NULL); + if (!(pkt[16] & DISBIT8)) + return; + if (len <= 17) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + octet_bit_field(log, pkt, 113, "Double sided printing capability (alternate mode)", NULL, NULL); + octet_bit_field(log, pkt, 114, "Double sided printing capability (continuous mode)", NULL, NULL); + if (frame_type == T30_DCS) + octet_bit_field(log, pkt, 115, "Black and white mixed raster content profile (MRCbw)", NULL, NULL); + else + octet_reserved_bit(log, pkt, 115, 0); + octet_bit_field(log, pkt, 116, "T.45 (run length colour encoded)", NULL, NULL); + octet_field(log, pkt, 117, 118, "Shared memory", shared_data_memory_capacity_tags); + octet_bit_field(log, pkt, 119, "T.44 colour space", NULL, NULL); + octet_bit_field(log, pkt, 120, "Extension indicator", NULL, NULL); + if (!(pkt[17] & DISBIT8)) + return; + if (len <= 18) + { + span_log(log, SPAN_LOG_FLOW, " Frame is short\n"); + return; + } + + octet_bit_field(log, pkt, 121, "Flow control capability for T.38 communication", NULL, NULL); + octet_bit_field(log, pkt, 122, "K>4", NULL, NULL); + octet_bit_field(log, pkt, 123, "Internet aware T.38 mode fax (not affected by data signal rate bits)", NULL, NULL); + octet_field(log, pkt, 124, 126, "T.89 (Application profiles for ITU-T Rec T.88)", t89_profile_tags); + octet_bit_field(log, pkt, 127, "sYCC-JPEG coding", NULL, NULL); + octet_bit_field(log, pkt, 128, "Extension indicator", NULL, NULL); + if (!(pkt[18] & DISBIT8)) + return; + + span_log(log, SPAN_LOG_FLOW, " Extended beyond the current T.30 specification!\n"); +} +/*- End of function --------------------------------------------------------*/ +/*- End of file ------------------------------------------------------------*/