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gpsdecode.c
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gpsdecode.c
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/*
* This file is Copyright (c) 2010-2018 by the GPSD project
* SPDX-License-Identifier: BSD-2-clause
*/
#include "gpsd_config.h" /* must be before all includes */
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <stdarg.h>
#include <unistd.h>
#include "gpsd.h"
#include "bits.h"
#include "gps_json.h"
#include "strfuncs.h"
static int verbose = 0;
static bool scaled = true;
static bool json = true;
static bool pseudonmea = false;
static bool split24 = false;
static bool minlength = false;
static unsigned int ntypes = 0;
static unsigned int typelist[32];
static struct gps_context_t context;
/**************************************************************************
*
* Generic machinery
*
**************************************************************************/
#ifdef AIVDM_ENABLE
static const char *raw_hexdump(char *scbuf, size_t scbuflen, int structured,
char *binbuf, size_t binbuflen)
{
if (!structured)
return gpsd_hexdump(scbuf, scbuflen, binbuf, binbuflen);
/* Data parsed as structured doesn't have correct raw data */
#ifndef SQUELCH_ENABLE
size_t len =
(size_t) ((binbuflen >
MAX_PACKET_LENGTH) ? MAX_PACKET_LENGTH : binbuflen) * 2;
if (len > scbuflen - 1) len = scbuflen - 1;
memset(scbuf, 'x', len);
scbuf[len] = '\0';
#else /* SQUELCH defined */
scbuf[0] = '\0';
#endif /* SQUELCH_ENABLE */
return scbuf;
}
static void aivdm_csv_dump(struct ais_t *ais, char *buf, size_t buflen)
{
char scratchbuf[MAX_PACKET_LENGTH*2+1];
bool imo = false;
(void)snprintf(buf, buflen, "%u|%u|%09u|", ais->type, ais->repeat,
ais->mmsi);
switch (ais->type) {
case 1: /* Position Report */
case 2:
case 3:
str_appendf(buf, buflen,
"%u|%d|%u|%u|%d|%d|%u|%u|%u|0x%x|%u|0x%x",
ais->type1.status,
ais->type1.turn,
ais->type1.speed,
(unsigned int) ais->type1.accuracy,
ais->type1.lon,
ais->type1.lat,
ais->type1.course,
ais->type1.heading,
ais->type1.second,
ais->type1.maneuver,
(unsigned int) ais->type1.raim, ais->type1.radio);
break;
case 4: /* Base Station Report */
case 11: /* UTC/Date Response */
str_appendf(buf, buflen,
"%04u-%02u-%02uT%02u:%02u:%02uZ|%u|%d|%d|%u|%u|0x%x",
ais->type4.year,
ais->type4.month,
ais->type4.day,
ais->type4.hour,
ais->type4.minute,
ais->type4.second,
(unsigned int) ais->type4.accuracy,
ais->type4.lon,
ais->type4.lat,
ais->type4.epfd,
(unsigned int) ais->type4.raim, ais->type4.radio);
break;
case 5: /* Ship static and voyage related data */
str_appendf(buf, buflen,
"%u|%u|%s|%s|%u|%u|%u|%u|%u|%u|%02u-%02uT%02u:%02uZ|%u|%s|%u",
ais->type5.imo,
ais->type5.ais_version,
ais->type5.callsign,
ais->type5.shipname,
ais->type5.shiptype,
ais->type5.to_bow,
ais->type5.to_stern,
ais->type5.to_port,
ais->type5.to_starboard,
ais->type5.epfd,
ais->type5.month,
ais->type5.day,
ais->type5.hour,
ais->type5.minute,
ais->type5.draught,
ais->type5.destination, ais->type5.dte);
break;
case 6: /* Binary Message */
str_appendf(buf, buflen,
"%u|%u|%u|%u|%u",
ais->type6.seqno,
ais->type6.dest_mmsi,
(unsigned int) ais->type6.retransmit,
ais->type6.dac,
ais->type6.fid);
switch(ais->type6.dac) {
case 235: /* UK */
case 250: /* Rep. Of Ireland */
switch(ais->type6.fid) {
case 10: /* GLA - AtoN monitoring */
str_appendf(buf, buflen,
"|%u|%u|%u|%u|%u|%u|%u|%u",
ais->type6.dac235fid10.ana_int,
ais->type6.dac235fid10.ana_ext1,
ais->type6.dac235fid10.ana_ext2,
ais->type6.dac235fid10.racon,
ais->type6.dac235fid10.light,
(unsigned int)ais->type6.dac235fid10.alarm,
ais->type6.dac235fid10.stat_ext,
(unsigned int)ais->type6.dac235fid10.off_pos);
imo = true;
break;
}
break;
}
if (!imo)
str_appendf(buf, buflen,
"|%zd:%s",
ais->type6.bitcount,
raw_hexdump(scratchbuf, sizeof(scratchbuf),
ais->type6.structured,
ais->type6.bitdata,
BITS_TO_BYTES(ais->type6.bitcount)));
break;
case 7: /* Binary Acknowledge */
case 13: /* Safety Related Acknowledge */
str_appendf(buf, buflen,
"%u|%u|%u|%u",
ais->type7.mmsi1,
ais->type7.mmsi2, ais->type7.mmsi3, ais->type7.mmsi4);
break;
case 8: /* Binary Broadcast Message */
str_appendf(buf, buflen, "%u|%u", ais->type8.dac, ais->type8.fid);
switch(ais->type8.dac) {
case 1: /* International */
switch(ais->type8.fid) {
case 11: /* IMO236 - Met/Hydro message */
str_appendf(buf, buflen,
"|%d|%d|%02uT%02u:%02uZ|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%d|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u",
ais->type8.dac1fid11.lon,
ais->type8.dac1fid11.lat,
ais->type8.dac1fid11.day,
ais->type8.dac1fid11.hour,
ais->type8.dac1fid11.minute,
ais->type8.dac1fid11.wspeed,
ais->type8.dac1fid11.wgust,
ais->type8.dac1fid11.wdir,
ais->type8.dac1fid11.wgustdir,
ais->type8.dac1fid11.airtemp,
ais->type8.dac1fid11.humidity,
ais->type8.dac1fid11.dewpoint,
ais->type8.dac1fid11.pressure,
ais->type8.dac1fid11.pressuretend,
ais->type8.dac1fid11.visibility,
ais->type8.dac1fid11.waterlevel,
ais->type8.dac1fid11.leveltrend,
ais->type8.dac1fid11.cspeed,
ais->type8.dac1fid11.cdir,
ais->type8.dac1fid11.cspeed2,
ais->type8.dac1fid11.cdir2,
ais->type8.dac1fid11.cdepth2,
ais->type8.dac1fid11.cspeed3,
ais->type8.dac1fid11.cdir3,
ais->type8.dac1fid11.cdepth3,
ais->type8.dac1fid11.waveheight,
ais->type8.dac1fid11.waveperiod,
ais->type8.dac1fid11.wavedir,
ais->type8.dac1fid11.swellheight,
ais->type8.dac1fid11.swellperiod,
ais->type8.dac1fid11.swelldir,
ais->type8.dac1fid11.seastate,
ais->type8.dac1fid11.watertemp,
ais->type8.dac1fid11.preciptype,
ais->type8.dac1fid11.salinity,
ais->type8.dac1fid11.ice);
imo = true;
break;
case 31: /* IMO289 - Met/Hydro message */
str_appendf(buf, buflen,
"|%d|%d|%02uT%02u:%02uZ|%u|%u|%u|%u|%d|%u|%d|%u|%u|%u|%d|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%d|%u|%u|%u",
ais->type8.dac1fid31.lon,
ais->type8.dac1fid31.lat,
ais->type8.dac1fid31.day,
ais->type8.dac1fid31.hour,
ais->type8.dac1fid31.minute,
ais->type8.dac1fid31.wspeed,
ais->type8.dac1fid31.wgust,
ais->type8.dac1fid31.wdir,
ais->type8.dac1fid31.wgustdir,
ais->type8.dac1fid31.airtemp,
ais->type8.dac1fid31.humidity,
ais->type8.dac1fid31.dewpoint,
ais->type8.dac1fid31.pressure,
ais->type8.dac1fid31.pressuretend,
ais->type8.dac1fid31.visibility,
ais->type8.dac1fid31.waterlevel,
ais->type8.dac1fid31.leveltrend,
ais->type8.dac1fid31.cspeed,
ais->type8.dac1fid31.cdir,
ais->type8.dac1fid31.cspeed2,
ais->type8.dac1fid31.cdir2,
ais->type8.dac1fid31.cdepth2,
ais->type8.dac1fid31.cspeed3,
ais->type8.dac1fid31.cdir3,
ais->type8.dac1fid31.cdepth3,
ais->type8.dac1fid31.waveheight,
ais->type8.dac1fid31.waveperiod,
ais->type8.dac1fid31.wavedir,
ais->type8.dac1fid31.swellheight,
ais->type8.dac1fid31.swellperiod,
ais->type8.dac1fid31.swelldir,
ais->type8.dac1fid31.seastate,
ais->type8.dac1fid31.watertemp,
ais->type8.dac1fid31.preciptype,
ais->type8.dac1fid31.salinity,
ais->type8.dac1fid31.ice);
imo = true;
break;
}
break;
}
if (!imo)
str_appendf(buf, buflen,
"|%zd:%s",
ais->type8.bitcount,
raw_hexdump(scratchbuf, sizeof(scratchbuf),
ais->type8.structured,
ais->type8.bitdata,
BITS_TO_BYTES(ais->type8.bitcount)));
break;
case 9:
str_appendf(buf, buflen,
"%u|%u|%u|%d|%d|%u|%u|0x%x|%u|%u|0x%x",
ais->type9.alt,
ais->type9.speed,
(unsigned int) ais->type9.accuracy,
ais->type9.lon,
ais->type9.lat,
ais->type9.course,
ais->type9.second,
ais->type9.regional,
ais->type9.dte,
(unsigned int) ais->type9.raim, ais->type9.radio);
break;
case 10: /* UTC/Date Inquiry */
str_appendf(buf, buflen, "%u", ais->type10.dest_mmsi);
break;
case 12: /* Safety Related Message */
str_appendf(buf, buflen,
"%u|%u|%u|%s",
ais->type12.seqno,
ais->type12.dest_mmsi,
(unsigned int) ais->type12.retransmit, ais->type12.text);
break;
case 14: /* Safety Related Broadcast Message */
str_appendf(buf, buflen, "%s", ais->type14.text);
break;
case 15:
str_appendf(buf, buflen,
"%u|%u|%u|%u|%u|%u|%u|%u",
ais->type15.mmsi1,
ais->type15.type1_1,
ais->type15.offset1_1,
ais->type15.type1_2,
ais->type15.offset1_2,
ais->type15.mmsi2,
ais->type15.type2_1, ais->type15.offset2_1);
break;
case 16:
str_appendf(buf, buflen,
"%u|%u|%u|%u|%u|%u",
ais->type16.mmsi1,
ais->type16.offset1,
ais->type16.increment1,
ais->type16.mmsi2,
ais->type16.offset2, ais->type16.increment2);
break;
case 17:
str_appendf(buf, buflen,
"%d|%d|%zd:%s",
ais->type17.lon,
ais->type17.lat,
ais->type17.bitcount,
gpsd_hexdump(scratchbuf, sizeof(scratchbuf),
ais->type17.bitdata,
BITS_TO_BYTES(ais->type17.bitcount)));
break;
case 18:
str_appendf(buf, buflen,
"%u|%u|%u|%d|%d|%u|%u|%u|0x%x|%u|%u|%u|%u|%u|%u|0x%x",
ais->type18.reserved,
ais->type18.speed,
(unsigned int) ais->type18.accuracy,
ais->type18.lon,
ais->type18.lat,
ais->type18.course,
ais->type18.heading,
ais->type18.second,
ais->type18.regional,
(unsigned int) ais->type18.cs,
(unsigned int) ais->type18.display,
(unsigned int) ais->type18.dsc,
(unsigned int) ais->type18.band,
(unsigned int) ais->type18.msg22,
(unsigned int) ais->type18.raim, ais->type18.radio);
break;
case 19:
str_appendf(buf, buflen,
"%u|%u|%u|%d|%d|%u|%u|%u|0x%x|%s|%u|%u|%u|%u|%u|%u|%u|%u|%u",
ais->type19.reserved,
ais->type19.speed,
(unsigned int) ais->type19.accuracy,
ais->type19.lon,
ais->type19.lat,
ais->type19.course,
ais->type19.heading,
ais->type19.second,
ais->type19.regional,
ais->type19.shipname,
ais->type19.shiptype,
ais->type19.to_bow,
ais->type19.to_stern,
ais->type19.to_port,
ais->type19.to_starboard,
ais->type19.epfd,
(unsigned int) ais->type19.raim,
ais->type19.dte, (unsigned int) ais->type19.assigned);
break;
case 20: /* Data Link Management Message */
str_appendf(buf, buflen,
"%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u|%u",
ais->type20.offset1,
ais->type20.number1,
ais->type20.timeout1,
ais->type20.increment1,
ais->type20.offset2,
ais->type20.number2,
ais->type20.timeout2,
ais->type20.increment2,
ais->type20.offset3,
ais->type20.number3,
ais->type20.timeout3,
ais->type20.increment3,
ais->type20.offset4,
ais->type20.number4,
ais->type20.timeout4, ais->type20.increment4);
break;
case 21: /* Aid to Navigation */
str_appendf(buf, buflen,
"%u|%s|%u|%d|%d|%u|%u|%u|%u|%u|%u|%u|0x%x|%u|%u",
ais->type21.aid_type,
ais->type21.name,
(unsigned int) ais->type21.accuracy,
ais->type21.lon,
ais->type21.lat,
ais->type21.to_bow,
ais->type21.to_stern,
ais->type21.to_port,
ais->type21.to_starboard,
ais->type21.epfd,
ais->type21.second,
ais->type21.regional,
(unsigned int) ais->type21.off_position,
(unsigned int) ais->type21.raim,
(unsigned int) ais->type21.virtual_aid);
break;
case 22: /* Channel Management */
if (!ais->type22.addressed)
str_appendf(buf, buflen,
"%u|%u|%u|%u|%d|%d|%d|%d|%u|%u|%u|%u",
ais->type22.channel_a,
ais->type22.channel_b,
ais->type22.txrx,
(unsigned int) ais->type22.power,
ais->type22.area.ne_lon,
ais->type22.area.ne_lat,
ais->type22.area.sw_lon,
ais->type22.area.sw_lat,
(unsigned int) ais->type22.addressed,
(unsigned int) ais->type22.band_a,
(unsigned int) ais->type22.band_b, ais->type22.zonesize);
else
str_appendf(buf, buflen,
"%u|%u|%u|%u|%u|%u|%u|%u|%u|%u",
ais->type22.channel_a,
ais->type22.channel_b,
ais->type22.txrx,
(unsigned int) ais->type22.power,
ais->type22.mmsi.dest1,
ais->type22.mmsi.dest2,
(unsigned int) ais->type22.addressed,
(unsigned int) ais->type22.band_a,
(unsigned int) ais->type22.band_b, ais->type22.zonesize);
break;
case 23: /* Group Management Command */
str_appendf(buf, buflen,
"%d|%d|%d|%d|%u|%u|%u|%u|%u",
ais->type23.ne_lon,
ais->type23.ne_lat,
ais->type23.sw_lon,
ais->type23.sw_lat,
ais->type23.stationtype,
ais->type23.shiptype,
ais->type23.txrx,
ais->type23.interval, ais->type23.quiet);
break;
case 24: /* Class B CS Static Data Report */
str_appendf(buf, buflen, "%s|", ais->type24.shipname);
str_appendf(buf, buflen, "%u|", ais->type24.shiptype);
str_appendf(buf, buflen, "%s|", ais->type24.vendorid);
str_appendf(buf, buflen, "%u|", ais->type24.model);
str_appendf(buf, buflen, "%u|", ais->type24.serial);
str_appendf(buf, buflen, "%s|", ais->type24.callsign);
if (AIS_AUXILIARY_MMSI(ais->mmsi)) {
str_appendf(buf, buflen, "%u", ais->type24.mothership_mmsi);
} else {
str_appendf(buf, buflen,
"%u|%u|%u|%u",
ais->type24.dim.to_bow,
ais->type24.dim.to_stern,
ais->type24.dim.to_port,
ais->type24.dim.to_starboard);
}
break;
case 25: /* Binary Message, Single Slot */
str_appendf(buf, buflen,
"%u|%u|%u|%u|%zd:%s",
(unsigned int) ais->type25.addressed,
(unsigned int) ais->type25.structured,
ais->type25.dest_mmsi,
ais->type25.app_id,
ais->type25.bitcount,
gpsd_hexdump(scratchbuf, sizeof(scratchbuf),
ais->type25.bitdata,
BITS_TO_BYTES(ais->type25.bitcount)));
break;
case 26: /* Binary Message, Multiple Slot */
str_appendf(buf, buflen,
"%u|%u|%u|%u|%zd:%s:%u",
(unsigned int) ais->type26.addressed,
(unsigned int) ais->type26.structured,
ais->type26.dest_mmsi,
ais->type26.app_id,
ais->type26.bitcount,
gpsd_hexdump(scratchbuf, sizeof(scratchbuf),
ais->type26.bitdata,
BITS_TO_BYTES(ais->type26.bitcount)),
ais->type26.radio);
break;
case 27: /* Long Range AIS Broadcast message */
str_appendf(buf, buflen,
"%u|%u|%d|%d|%u|%u|%u|%u",
ais->type27.status,
(unsigned int)ais->type27.accuracy,
ais->type27.lon,
ais->type27.lat,
ais->type27.speed,
ais->type27.course,
(unsigned int)ais->type27.raim,
(unsigned int)ais->type27.gnss);
break;
default:
str_appendf(buf, buflen, "unknown AIVDM message content.");
break;
}
(void)strlcat(buf, "\r\n", buflen);
}
#endif
static bool filter(gps_mask_t changed, struct gps_device_t *session)
/* say whether a given message should be visible */
{
if (ntypes == 0)
return true;
else {
unsigned int i, t;
if ((changed & AIS_SET)!=0)
t = session->gpsdata.ais.type;
else if ((changed & RTCM2_SET)!=0)
t = session->gpsdata.rtcm2.type;
else if ((changed & RTCM3_SET)!=0)
t = session->gpsdata.rtcm3.type;
else
return true;
for (i = 0; i < ntypes; i++)
if (t == typelist[i])
return true;
}
return false;
}
static void pseudonmea_report(gps_mask_t changed, struct gps_device_t *device)
/* report pseudo-NMEA in appropriate circumstances */
{
if (GPS_PACKET_TYPE(device->lexer.type)
&& !TEXTUAL_PACKET_TYPE(device->lexer.type)) {
char buf[MAX_PACKET_LENGTH * 3 + 2];
if ((changed & REPORT_IS) != 0) {
nmea_tpv_dump(device, buf, sizeof(buf));
(void)fputs(buf, stdout);
}
if ((changed & SATELLITE_SET) != 0) {
nmea_sky_dump(device, buf, sizeof(buf));
(void)fputs(buf, stdout);
}
if ((changed & SUBFRAME_SET) != 0) {
nmea_subframe_dump(device, buf, sizeof(buf));
(void)fputs(buf, stdout);
}
#ifdef AIVDM_ENABLE
if ((changed & AIS_SET) != 0) {
nmea_ais_dump(device, buf, sizeof(buf));
(void)fputs(buf, stdout);
}
#endif /* AIVDM_ENABLE */
}
}
static void decode(FILE *fpin, FILE*fpout)
/* sensor data on fpin to dump format on fpout */
{
struct gps_device_t session;
struct gps_policy_t policy;
size_t minima[PACKET_TYPES+1];
#if defined(SOCKET_EXPORT_ENABLE) || defined(AIVDM_ENABLE)
char buf[GPS_JSON_RESPONSE_MAX * 4];
#endif
int i;
//This looks like a good idea, but it breaks regression tests
//(void)strlcpy(session.gpsdata.dev.path, "stdin", sizeof(session.gpsdata.dev.path));
memset(&policy, '\0', sizeof(policy));
policy.json = json;
policy.scaled = scaled;
policy.nmea = pseudonmea;
gpsd_time_init(&context, time(NULL));
context.readonly = true;
gpsd_init(&session, &context, NULL);
gpsd_clear(&session);
session.gpsdata.gps_fd = fileno(fpin);
session.gpsdata.dev.baudrate = 38400; /* hack to enable subframes */
(void)strlcpy(session.gpsdata.dev.path,
"stdin",
sizeof(session.gpsdata.dev.path));
for (i = 0; i < (int)(sizeof(minima)/sizeof(minima[0])); i++)
minima[i] = MAX_PACKET_LENGTH+1;
for (;;)
{
gps_mask_t changed = gpsd_poll(&session);
if (changed == ERROR_SET || changed == NODATA_IS)
break;
if (session.lexer.type == COMMENT_PACKET)
gpsd_set_century(&session);
if (verbose >= 1 && TEXTUAL_PACKET_TYPE(session.lexer.type))
(void)fputs((char *)session.lexer.outbuffer, fpout);
if (session.lexer.outbuflen < minima[session.lexer.type+1])
minima[session.lexer.type+1] = session.lexer.outbuflen;
/* mask should match what's in report_data() */
if ((changed & (REPORT_IS|GST_SET|SATELLITE_SET|SUBFRAME_SET|ATTITUDE_SET|RTCM2_SET|RTCM3_SET|AIS_SET|PASSTHROUGH_IS)) == 0)
continue;
if (!filter(changed, &session))
continue;
else if (json) {
if ((changed & PASSTHROUGH_IS) != 0) {
(void)fputs((char *)session.lexer.outbuffer, fpout);
(void)fputs("\n", fpout);
}
#ifdef SOCKET_EXPORT_ENABLE
else {
if ((changed & AIS_SET)!=0) {
if (session.gpsdata.ais.type == 24 && session.gpsdata.ais.type24.part != both && !split24)
continue;
}
json_data_report(changed,
&session, &policy,
buf, sizeof(buf));
(void)fputs(buf, fpout);
}
#endif /* SOCKET_EXPORT_ENABLE */
#ifdef AIVDM_ENABLE
} else if (session.lexer.type == AIVDM_PACKET) {
if ((changed & AIS_SET)!=0) {
if (session.gpsdata.ais.type == 24 && session.gpsdata.ais.type24.part != both && !split24)
continue;
aivdm_csv_dump(&session.gpsdata.ais, buf, sizeof(buf));
(void)fputs(buf, fpout);
}
#endif /* AIVDM_ENABLE */
}
if (policy.nmea)
pseudonmea_report(changed, &session);
}
if (minlength)
{
for (i = 0; i < (int)(sizeof(minima)/sizeof(minima[0])); i++) {
/* dump all minima, ignoring comments */
if (i != 1 && minima[i] < MAX_PACKET_LENGTH+1) {
const struct gps_type_t **dp;
char *np = "Unknown";
for (dp = gpsd_drivers; *dp; dp++) {
if ((*dp)->packet_type == i-1) {
np = (*dp)->type_name;
break;
}
}
printf("%s (%d): %u\n", np, i-1, (unsigned int)minima[i]);
}
}
}
}
#ifdef SOCKET_EXPORT_ENABLE
static void encode(FILE *fpin, FILE *fpout)
/* JSON format on fpin to JSON on fpout - idempotency test */
{
char inbuf[BUFSIZ];
struct gps_policy_t policy;
struct gps_device_t session;
int lineno = 0;
memset(&policy, '\0', sizeof(policy));
memset(&session, '\0', sizeof(session));
session.context = &context;
context.errout.debug = LOG_SHOUT;
context.errout.label = "gpsdecode";
(void)strlcpy(session.gpsdata.dev.path,
"stdin",
sizeof(session.gpsdata.dev.path));
policy.json = true;
policy.nmea = pseudonmea;
/* Parsing is always made in unscaled mode,
* this policy applies to the dumping */
policy.scaled = scaled;
while (fgets(inbuf, (int)sizeof(inbuf), fpin) != NULL) {
int status;
++lineno;
if (inbuf[0] == '#')
continue;
status = libgps_json_unpack(inbuf, &session.gpsdata, NULL);
if (status != 0) {
(void)fprintf(stderr,
"gpsdecode: dying with status %d (%s) on line %d\n",
status, json_error_string(status), lineno);
exit(EXIT_FAILURE);
}
json_data_report(session.gpsdata.set,
&session, &policy,
inbuf, sizeof(inbuf));
(void)fputs(inbuf, fpout);
}
}
#endif /* SOCKET_EXPORT_ENABLE */
int main(int argc, char **argv)
{
int c;
enum { doencode, dodecode } mode = dodecode;
gps_context_init(&context, "gpsdecode");
while ((c = getopt(argc, argv, "cdejmnpst:uvVD:")) != EOF) {
switch (c) {
case 'c':
json = false;
break;
case 'd':
mode = dodecode;
break;
case 'e':
mode = doencode;
break;
case 'j':
json = true;
break;
case 'm':
minlength = true;
json = false;
break;
case 'n':
pseudonmea = true;
break;
case 's':
split24 = true;
break;
case 't':
typelist[ntypes++] = (unsigned int)atoi(strtok(optarg, ","));
for(;;) {
char *next = strtok(NULL, ",");
if (next == NULL)
break;
typelist[ntypes++] = (unsigned int)atoi(next);
}
break;
case 'u':
scaled = false;
break;
case 'v':
verbose = 1;
break;
case 'D':
context.errout.debug = verbose = atoi(optarg);
#if defined(CLIENTDEBUG_ENABLE) && defined(SOCKET_EXPORT_ENABLE)
json_enable_debug(verbose - 2, stderr);
#endif
break;
case 'V':
(void)fprintf(stderr, "gpsdecode revision " VERSION "\n");
exit(EXIT_SUCCESS);
case '?':
default:
(void)fputs("gpsdecode [-v]\n", stderr);
exit(EXIT_FAILURE);
}
}
//argc -= optind;
//argv += optind;
if (mode == doencode) {
#ifdef SOCKET_EXPORT_ENABLE
encode(stdin, stdout);
#else
(void)fprintf(stderr, "gpsdecode: encoding support isn't compiled.\n");
exit(EXIT_FAILURE);
#endif /* SOCKET_EXPORT_ENABLE */
} else
decode(stdin, stdout);
exit(EXIT_SUCCESS);
}
/* gpsdecode.c ends here */