Add the download command.
This commit is contained in:
Jef Driesen
parent
bfbb56c781
commit
195c4c7a7e
@ -12,6 +12,7 @@ dctool_SOURCES = \
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dctool_help.c \
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dctool_version.c \
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dctool_list.c \
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dctool_download.c \
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dctool_dump.c \
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utils.h \
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utils.c
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@ -51,6 +51,7 @@ static const dctool_command_t *g_commands[] = {
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&dctool_help,
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&dctool_version,
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&dctool_list,
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&dctool_download,
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&dctool_dump,
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NULL
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};
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@ -45,6 +45,7 @@ typedef struct dctool_command_t {
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extern const dctool_command_t dctool_help;
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extern const dctool_command_t dctool_version;
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extern const dctool_command_t dctool_list;
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extern const dctool_command_t dctool_download;
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extern const dctool_command_t dctool_dump;
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const dctool_command_t *
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616
examples/dctool_download.c
Normal file
616
examples/dctool_download.c
Normal file
@ -0,0 +1,616 @@
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/*
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* libdivecomputer
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*
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* Copyright (C) 2015 Jef Driesen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#ifdef HAVE_GETOPT_H
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#include <getopt.h>
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#endif
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#include <libdivecomputer/context.h>
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#include <libdivecomputer/descriptor.h>
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#include <libdivecomputer/device.h>
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#include <libdivecomputer/parser.h>
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#include "dctool.h"
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#include "common.h"
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#include "utils.h"
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typedef struct event_data_t {
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const char *cachedir;
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dc_event_devinfo_t devinfo;
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} event_data_t;
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typedef struct dive_data_t {
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FILE* ostream;
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dc_device_t *device;
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dc_buffer_t **fingerprint;
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unsigned int number;
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} dive_data_t;
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typedef struct sample_data_t {
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FILE* ostream;
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unsigned int nsamples;
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} sample_data_t;
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static void
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sample_cb (dc_sample_type_t type, dc_sample_value_t value, void *userdata)
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{
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static const char *events[] = {
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"none", "deco", "rbt", "ascent", "ceiling", "workload", "transmitter",
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"violation", "bookmark", "surface", "safety stop", "gaschange",
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"safety stop (voluntary)", "safety stop (mandatory)", "deepstop",
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"ceiling (safety stop)", "floor", "divetime", "maxdepth",
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"OLF", "PO2", "airtime", "rgbm", "heading", "tissue level warning",
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"gaschange2"};
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static const char *decostop[] = {
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"ndl", "safety", "deco", "deep"};
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sample_data_t *sampledata = (sample_data_t *) userdata;
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switch (type) {
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case DC_SAMPLE_TIME:
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if (sampledata->nsamples++)
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fprintf (sampledata->ostream, "</sample>\n");
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fprintf (sampledata->ostream, "<sample>\n");
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fprintf (sampledata->ostream, " <time>%02u:%02u</time>\n", value.time / 60, value.time % 60);
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break;
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case DC_SAMPLE_DEPTH:
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fprintf (sampledata->ostream, " <depth>%.2f</depth>\n", value.depth);
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break;
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case DC_SAMPLE_PRESSURE:
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fprintf (sampledata->ostream, " <pressure tank=\"%u\">%.2f</pressure>\n", value.pressure.tank, value.pressure.value);
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break;
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case DC_SAMPLE_TEMPERATURE:
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fprintf (sampledata->ostream, " <temperature>%.2f</temperature>\n", value.temperature);
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break;
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case DC_SAMPLE_EVENT:
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if (value.event.type != SAMPLE_EVENT_GASCHANGE && value.event.type != SAMPLE_EVENT_GASCHANGE2) {
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fprintf (sampledata->ostream, " <event type=\"%u\" time=\"%u\" flags=\"%u\" value=\"%u\">%s</event>\n",
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value.event.type, value.event.time, value.event.flags, value.event.value, events[value.event.type]);
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}
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break;
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case DC_SAMPLE_RBT:
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fprintf (sampledata->ostream, " <rbt>%u</rbt>\n", value.rbt);
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break;
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case DC_SAMPLE_HEARTBEAT:
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fprintf (sampledata->ostream, " <heartbeat>%u</heartbeat>\n", value.heartbeat);
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break;
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case DC_SAMPLE_BEARING:
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fprintf (sampledata->ostream, " <bearing>%u</bearing>\n", value.bearing);
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break;
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case DC_SAMPLE_VENDOR:
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fprintf (sampledata->ostream, " <vendor type=\"%u\" size=\"%u\">", value.vendor.type, value.vendor.size);
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for (unsigned int i = 0; i < value.vendor.size; ++i)
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fprintf (sampledata->ostream, "%02X", ((unsigned char *) value.vendor.data)[i]);
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fprintf (sampledata->ostream, "</vendor>\n");
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break;
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case DC_SAMPLE_SETPOINT:
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fprintf (sampledata->ostream, " <setpoint>%.2f</setpoint>\n", value.setpoint);
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break;
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case DC_SAMPLE_PPO2:
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fprintf (sampledata->ostream, " <ppo2>%.2f</ppo2>\n", value.ppo2);
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break;
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case DC_SAMPLE_CNS:
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fprintf (sampledata->ostream, " <cns>%.1f</cns>\n", value.cns * 100.0);
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break;
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case DC_SAMPLE_DECO:
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fprintf (sampledata->ostream, " <deco time=\"%u\" depth=\"%.2f\">%s</deco>\n",
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value.deco.time, value.deco.depth, decostop[value.deco.type]);
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break;
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case DC_SAMPLE_GASMIX:
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fprintf (sampledata->ostream, " <gasmix>%u</gasmix>\n", value.gasmix);
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break;
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default:
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break;
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}
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}
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static dc_status_t
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doparse (FILE *ostream, dc_device_t *device, const unsigned char data[], unsigned int size)
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{
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dc_status_t rc = DC_STATUS_SUCCESS;
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dc_parser_t *parser = NULL;
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// Create the parser.
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message ("Creating the parser.\n");
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rc = dc_parser_new (&parser, device);
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if (rc != DC_STATUS_SUCCESS) {
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ERROR ("Error creating the parser.");
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goto cleanup;
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}
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// Register the data.
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message ("Registering the data.\n");
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rc = dc_parser_set_data (parser, data, size);
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if (rc != DC_STATUS_SUCCESS) {
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ERROR ("Error registering the data.");
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goto cleanup;
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}
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// Parse the datetime.
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message ("Parsing the datetime.\n");
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dc_datetime_t dt = {0};
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rc = dc_parser_get_datetime (parser, &dt);
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if (rc != DC_STATUS_SUCCESS && rc != DC_STATUS_UNSUPPORTED) {
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ERROR ("Error parsing the datetime.");
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goto cleanup;
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}
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fprintf (ostream, "<datetime>%04i-%02i-%02i %02i:%02i:%02i</datetime>\n",
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dt.year, dt.month, dt.day,
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dt.hour, dt.minute, dt.second);
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// Parse the divetime.
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message ("Parsing the divetime.\n");
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unsigned int divetime = 0;
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rc = dc_parser_get_field (parser, DC_FIELD_DIVETIME, 0, &divetime);
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if (rc != DC_STATUS_SUCCESS && rc != DC_STATUS_UNSUPPORTED) {
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ERROR ("Error parsing the divetime.");
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goto cleanup;
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}
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fprintf (ostream, "<divetime>%02u:%02u</divetime>\n",
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divetime / 60, divetime % 60);
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// Parse the maxdepth.
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message ("Parsing the maxdepth.\n");
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double maxdepth = 0.0;
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rc = dc_parser_get_field (parser, DC_FIELD_MAXDEPTH, 0, &maxdepth);
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if (rc != DC_STATUS_SUCCESS && rc != DC_STATUS_UNSUPPORTED) {
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ERROR ("Error parsing the maxdepth.");
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goto cleanup;
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}
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fprintf (ostream, "<maxdepth>%.2f</maxdepth>\n",
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maxdepth);
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// Parse the temperature.
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message ("Parsing the temperature.\n");
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for (unsigned int i = 0; i < 3; ++i) {
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dc_field_type_t fields[] = {DC_FIELD_TEMPERATURE_SURFACE,
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DC_FIELD_TEMPERATURE_MINIMUM,
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DC_FIELD_TEMPERATURE_MAXIMUM};
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const char *names[] = {"surface", "minimum", "maximum"};
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double temperature = 0.0;
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rc = dc_parser_get_field (parser, fields[i], 0, &temperature);
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if (rc != DC_STATUS_SUCCESS && rc != DC_STATUS_UNSUPPORTED) {
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ERROR ("Error parsing the temperature.");
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goto cleanup;
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}
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if (rc != DC_STATUS_UNSUPPORTED) {
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fprintf (ostream, "<temperature type=\"%s\">%.1f</temperature>\n",
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names[i], temperature);
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}
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}
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// Parse the gas mixes.
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message ("Parsing the gas mixes.\n");
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unsigned int ngases = 0;
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rc = dc_parser_get_field (parser, DC_FIELD_GASMIX_COUNT, 0, &ngases);
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if (rc != DC_STATUS_SUCCESS && rc != DC_STATUS_UNSUPPORTED) {
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ERROR ("Error parsing the gas mix count.");
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goto cleanup;
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}
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for (unsigned int i = 0; i < ngases; ++i) {
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dc_gasmix_t gasmix = {0};
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rc = dc_parser_get_field (parser, DC_FIELD_GASMIX, i, &gasmix);
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if (rc != DC_STATUS_SUCCESS && rc != DC_STATUS_UNSUPPORTED) {
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ERROR ("Error parsing the gas mix.");
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goto cleanup;
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}
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fprintf (ostream,
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"<gasmix>\n"
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" <he>%.1f</he>\n"
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" <o2>%.1f</o2>\n"
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" <n2>%.1f</n2>\n"
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"</gasmix>\n",
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gasmix.helium * 100.0,
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gasmix.oxygen * 100.0,
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gasmix.nitrogen * 100.0);
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}
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// Parse the tanks.
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message ("Parsing the tanks.\n");
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unsigned int ntanks = 0;
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rc = dc_parser_get_field (parser, DC_FIELD_TANK_COUNT, 0, &ntanks);
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if (rc != DC_STATUS_SUCCESS && rc != DC_STATUS_UNSUPPORTED) {
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ERROR ("Error parsing the tank count.");
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goto cleanup;
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}
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for (unsigned int i = 0; i < ntanks; ++i) {
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const char *names[] = {"none", "metric", "imperial"};
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dc_tank_t tank = {0};
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rc = dc_parser_get_field (parser, DC_FIELD_TANK, i, &tank);
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if (rc != DC_STATUS_SUCCESS && rc != DC_STATUS_UNSUPPORTED) {
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ERROR ("Error parsing the tank.");
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goto cleanup;
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}
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fprintf (ostream, "<tank>\n");
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if (tank.gasmix != DC_GASMIX_UNKNOWN) {
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fprintf (ostream,
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" <gasmix>%u</gasmix>\n",
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tank.gasmix);
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}
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if (tank.type != DC_TANKVOLUME_NONE) {
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fprintf (ostream,
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" <type>%s</type>\n"
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" <volume>%.1f</volume>\n"
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" <workpressure>%.2f</workpressure>\n",
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names[tank.type], tank.volume, tank.workpressure);
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}
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fprintf (ostream,
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" <beginpressure>%.2f</beginpressure>\n"
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" <endpressure>%.2f</endpressure>\n"
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"</tank>\n",
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tank.beginpressure, tank.endpressure);
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}
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// Parse the dive mode.
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message ("Parsing the dive mode.\n");
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dc_divemode_t divemode = DC_DIVEMODE_OC;
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rc = dc_parser_get_field (parser, DC_FIELD_DIVEMODE, 0, &divemode);
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if (rc != DC_STATUS_SUCCESS && rc != DC_STATUS_UNSUPPORTED) {
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ERROR ("Error parsing the dive mode.");
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goto cleanup;
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}
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if (rc != DC_STATUS_UNSUPPORTED) {
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const char *names[] = {"freedive", "gauge", "oc", "cc"};
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fprintf (ostream, "<divemode>%s</divemode>\n",
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names[divemode]);
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}
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// Parse the salinity.
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message ("Parsing the salinity.\n");
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dc_salinity_t salinity = {DC_WATER_FRESH, 0.0};
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rc = dc_parser_get_field (parser, DC_FIELD_SALINITY, 0, &salinity);
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if (rc != DC_STATUS_SUCCESS && rc != DC_STATUS_UNSUPPORTED) {
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ERROR ("Error parsing the salinity.");
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goto cleanup;
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}
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if (rc != DC_STATUS_UNSUPPORTED) {
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fprintf (ostream, "<salinity type=\"%u\">%.1f</salinity>\n",
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salinity.type, salinity.density);
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}
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// Parse the atmospheric pressure.
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message ("Parsing the atmospheric pressure.\n");
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double atmospheric = 0.0;
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rc = dc_parser_get_field (parser, DC_FIELD_ATMOSPHERIC, 0, &atmospheric);
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if (rc != DC_STATUS_SUCCESS && rc != DC_STATUS_UNSUPPORTED) {
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ERROR ("Error parsing the atmospheric pressure.");
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goto cleanup;
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}
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if (rc != DC_STATUS_UNSUPPORTED) {
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fprintf (ostream, "<atmospheric>%.5f</atmospheric>\n",
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atmospheric);
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}
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// Initialize the sample data.
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sample_data_t sampledata = {0};
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sampledata.nsamples = 0;
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sampledata.ostream = ostream;
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// Parse the sample data.
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message ("Parsing the sample data.\n");
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rc = dc_parser_samples_foreach (parser, sample_cb, &sampledata);
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if (rc != DC_STATUS_SUCCESS) {
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ERROR ("Error parsing the sample data.");
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goto cleanup;
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}
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if (sampledata.nsamples)
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fprintf (ostream, "</sample>\n");
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cleanup:
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dc_parser_destroy (parser);
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return rc;
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}
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static int
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dive_cb (const unsigned char *data, unsigned int size, const unsigned char *fingerprint, unsigned int fsize, void *userdata)
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{
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dive_data_t *divedata = (dive_data_t *) userdata;
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divedata->number++;
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message ("Dive: number=%u, size=%u, fingerprint=", divedata->number, size);
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for (unsigned int i = 0; i < fsize; ++i)
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message ("%02X", fingerprint[i]);
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message ("\n");
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// Keep a copy of the most recent fingerprint. Because dives are
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// guaranteed to be downloaded in reverse order, the most recent
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// dive is always the first dive.
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if (divedata->number == 1) {
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dc_buffer_t *fp = dc_buffer_new (fsize);
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dc_buffer_append (fp, fingerprint, fsize);
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*divedata->fingerprint = fp;
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}
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fprintf (divedata->ostream, "<dive>\n<number>%u</number>\n<size>%u</size>\n<fingerprint>", divedata->number, size);
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for (unsigned int i = 0; i < fsize; ++i)
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fprintf (divedata->ostream, "%02X", fingerprint[i]);
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fprintf (divedata->ostream, "</fingerprint>\n");
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doparse (divedata->ostream, divedata->device, data, size);
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fprintf (divedata->ostream, "</dive>\n");
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return 1;
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}
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static void
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event_cb (dc_device_t *device, dc_event_type_t event, const void *data, void *userdata)
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{
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const dc_event_devinfo_t *devinfo = (const dc_event_devinfo_t *) data;
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event_data_t *eventdata = (event_data_t *) userdata;
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// Forward to the default event handler.
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dctool_event_cb (device, event, data, userdata);
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switch (event) {
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case DC_EVENT_DEVINFO:
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// Load the fingerprint from the cache. If there is no
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// fingerprint present in the cache, a NULL buffer is returned,
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// and the registered fingerprint will be cleared.
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if (eventdata->cachedir) {
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char filename[1024] = {0};
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dc_family_t family = DC_FAMILY_NULL;
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dc_buffer_t *fingerprint = NULL;
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// Generate the fingerprint filename.
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family = dc_device_get_type (device);
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snprintf (filename, sizeof (filename), "%s/%s-%08X.bin",
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eventdata->cachedir, dctool_family_name (family), devinfo->serial);
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// Read the fingerprint file.
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fingerprint = dctool_file_read (filename);
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// Register the fingerprint data.
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dc_device_set_fingerprint (device,
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dc_buffer_get_data (fingerprint),
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dc_buffer_get_size (fingerprint));
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// Free the buffer again.
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dc_buffer_free (fingerprint);
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}
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// Keep a copy of the event data. It will be used for generating
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// the fingerprint filename again after a (successful) download.
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eventdata->devinfo = *devinfo;
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break;
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||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static dc_status_t
|
||||
download (dc_context_t *context, dc_descriptor_t *descriptor, const char *devname, const char *cachedir, dc_buffer_t *fingerprint, FILE *ostream)
|
||||
{
|
||||
dc_status_t rc = DC_STATUS_SUCCESS;
|
||||
dc_device_t *device = NULL;
|
||||
dc_buffer_t *ofingerprint = NULL;
|
||||
|
||||
// Open the device.
|
||||
message ("Opening the device (%s %s, %s).\n",
|
||||
dc_descriptor_get_vendor (descriptor),
|
||||
dc_descriptor_get_product (descriptor),
|
||||
devname ? devname : "null");
|
||||
rc = dc_device_open (&device, context, descriptor, devname);
|
||||
if (rc != DC_STATUS_SUCCESS) {
|
||||
ERROR ("Error opening the device.");
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
// Initialize the event data.
|
||||
event_data_t eventdata = {0};
|
||||
if (fingerprint) {
|
||||
eventdata.cachedir = NULL;
|
||||
} else {
|
||||
eventdata.cachedir = cachedir;
|
||||
}
|
||||
|
||||
// Register the event handler.
|
||||
message ("Registering the event handler.\n");
|
||||
int events = DC_EVENT_WAITING | DC_EVENT_PROGRESS | DC_EVENT_DEVINFO | DC_EVENT_CLOCK | DC_EVENT_VENDOR;
|
||||
rc = dc_device_set_events (device, events, event_cb, &eventdata);
|
||||
if (rc != DC_STATUS_SUCCESS) {
|
||||
ERROR ("Error registering the event handler.");
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
// Register the cancellation handler.
|
||||
message ("Registering the cancellation handler.\n");
|
||||
rc = dc_device_set_cancel (device, dctool_cancel_cb, NULL);
|
||||
if (rc != DC_STATUS_SUCCESS) {
|
||||
ERROR ("Error registering the cancellation handler.");
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
// Register the fingerprint data.
|
||||
if (fingerprint) {
|
||||
message ("Registering the fingerprint data.\n");
|
||||
rc = dc_device_set_fingerprint (device, dc_buffer_get_data (fingerprint), dc_buffer_get_size (fingerprint));
|
||||
if (rc != DC_STATUS_SUCCESS) {
|
||||
ERROR ("Error registering the fingerprint data.");
|
||||
goto cleanup;
|
||||
}
|
||||
}
|
||||
|
||||
// Initialize the dive data.
|
||||
dive_data_t divedata = {0};
|
||||
divedata.device = device;
|
||||
divedata.ostream = ostream;
|
||||
divedata.fingerprint = &ofingerprint;
|
||||
divedata.number = 0;
|
||||
|
||||
fprintf (ostream, "<device>\n");
|
||||
|
||||
// Download the dives.
|
||||
message ("Downloading the dives.\n");
|
||||
rc = dc_device_foreach (device, dive_cb, &divedata);
|
||||
if (rc != DC_STATUS_SUCCESS) {
|
||||
ERROR ("Error downloading the dives.");
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
fprintf (ostream, "</device>\n");
|
||||
|
||||
// Store the fingerprint data.
|
||||
if (cachedir && ofingerprint) {
|
||||
char filename[1024] = {0};
|
||||
dc_family_t family = DC_FAMILY_NULL;
|
||||
|
||||
// Generate the fingerprint filename.
|
||||
family = dc_device_get_type (device);
|
||||
snprintf (filename, sizeof (filename), "%s/%s-%08X.bin",
|
||||
cachedir, dctool_family_name (family), eventdata.devinfo.serial);
|
||||
|
||||
// Write the fingerprint file.
|
||||
dctool_file_write (filename, ofingerprint);
|
||||
}
|
||||
|
||||
cleanup:
|
||||
dc_buffer_free (ofingerprint);
|
||||
dc_device_close (device);
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int
|
||||
dctool_download_run (int argc, char *argv[], dc_context_t *context, dc_descriptor_t *descriptor)
|
||||
{
|
||||
int exitcode = EXIT_SUCCESS;
|
||||
dc_status_t status = DC_STATUS_SUCCESS;
|
||||
dc_buffer_t *fingerprint = NULL;
|
||||
FILE *ostream = NULL;
|
||||
|
||||
// Default option values.
|
||||
unsigned int help = 0;
|
||||
const char *fphex = NULL;
|
||||
const char *filename = NULL;
|
||||
const char *cachedir = NULL;
|
||||
|
||||
// Parse the command-line options.
|
||||
int opt = 0;
|
||||
const char *optstring = "ho:p:c:";
|
||||
#ifdef HAVE_GETOPT_LONG
|
||||
struct option options[] = {
|
||||
{"help", no_argument, 0, 'h'},
|
||||
{"output", required_argument, 0, 'o'},
|
||||
{"fingerprint", required_argument, 0, 'p'},
|
||||
{"cache", required_argument, 0, 'c'},
|
||||
{0, 0, 0, 0 }
|
||||
};
|
||||
while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
|
||||
#else
|
||||
while ((opt = getopt (argc, argv, optstring)) != -1) {
|
||||
#endif
|
||||
switch (opt) {
|
||||
case 'h':
|
||||
help = 1;
|
||||
break;
|
||||
case 'o':
|
||||
filename = optarg;
|
||||
break;
|
||||
case 'p':
|
||||
fphex = optarg;
|
||||
break;
|
||||
case 'c':
|
||||
cachedir = optarg;
|
||||
break;
|
||||
default:
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
}
|
||||
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
// Show help message.
|
||||
if (help) {
|
||||
dctool_command_showhelp (&dctool_download);
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
// Convert the fingerprint to binary.
|
||||
fingerprint = dctool_convert_hex2bin (fphex);
|
||||
|
||||
// Open the output file.
|
||||
ostream = fopen (filename, "w");
|
||||
if (ostream == NULL) {
|
||||
message ("Failed to open the output file.\n");
|
||||
exitcode = EXIT_FAILURE;
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
// Download the dives.
|
||||
status = download (context, descriptor, argv[0], cachedir, fingerprint, ostream);
|
||||
if (status != DC_STATUS_SUCCESS) {
|
||||
message ("ERROR: %s\n", dctool_errmsg (status));
|
||||
exitcode = EXIT_FAILURE;
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
cleanup:
|
||||
if (ostream) fclose (ostream);
|
||||
dc_buffer_free (fingerprint);
|
||||
return exitcode;
|
||||
}
|
||||
|
||||
const dctool_command_t dctool_download = {
|
||||
dctool_download_run,
|
||||
DCTOOL_CONFIG_DESCRIPTOR,
|
||||
"download",
|
||||
"Download the dives",
|
||||
"Usage:\n"
|
||||
" dctool download [options] <devname>\n"
|
||||
"\n"
|
||||
"Options:\n"
|
||||
#ifdef HAVE_GETOPT_LONG
|
||||
" -h, --help Show help message\n"
|
||||
" -o, --output <filename> Output filename\n"
|
||||
" -p, --fingerprint <data> Fingerprint data (hexadecimal)\n"
|
||||
" -c, --cache <directory> Cache directory\n"
|
||||
#else
|
||||
" -h Show help message\n"
|
||||
" -o <filename> Output filename\n"
|
||||
" -p <fingerprint> Fingerprint data (hexadecimal)\n"
|
||||
" -c <directory> Cache directory\n"
|
||||
#endif
|
||||
};
|
||||
Loading…
x
Reference in New Issue
Block a user