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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "dive.h"
#include "gettext.h"
#include "divelist.h"
#include "libdivecomputer.h"
/*
* Fills a device_data_t structure with known dc data and a descriptor.
*/
static int ostc_prepare_data(int data_model, dc_family_t dc_fam, device_data_t *dev_data)
{
dc_descriptor_t *data_descriptor;
dev_data->device = NULL;
dev_data->context = NULL;
data_descriptor = get_descriptor(dc_fam, data_model);
if (data_descriptor) {
dev_data->descriptor = data_descriptor;
dev_data->vendor = copy_string(dc_descriptor_get_vendor(data_descriptor));
dev_data->model = copy_string(dc_descriptor_get_product(data_descriptor));
} else {
return 0;
}
return 1;
}
/*
* OSTCTools stores the raw dive data in heavily padded files, one dive
* each file. So it's not necessary to iterate once and again on a parsing
* function. Actually there's only one kind of archive for every DC model.
*/
void ostctools_import(const char *file, struct dive_table *divetable)
{
FILE *archive;
device_data_t *devdata = calloc(1, sizeof(device_data_t));
dc_family_t dc_fam;
unsigned char *buffer = calloc(65536, 1), *uc_tmp;
char *tmp;
struct dive *ostcdive = alloc_dive();
dc_status_t rc = 0;
int model, ret, i = 0;
unsigned int serial;
struct extra_data *ptr;
// Open the archive
if ((archive = subsurface_fopen(file, "rb")) == NULL) {
report_error(translate("gettextFromC", "Failed to read '%s'"), file);
free(ostcdive);
goto out;
}
// Read dive number from the log
uc_tmp = calloc(2, 1);
fseek(archive, 258, 0);
fread(uc_tmp, 1, 2, archive);
ostcdive->number = uc_tmp[0] + (uc_tmp[1] << 8);
free(uc_tmp);
// Read device's serial number
uc_tmp = calloc(2, 1);
fseek(archive, 265, 0);
fread(uc_tmp, 1, 2, archive);
serial = uc_tmp[0] + (uc_tmp[1] << 8);
free(uc_tmp);
// Read dive's raw data, header + profile
fseek(archive, 456, 0);
while (!feof(archive)) {
fread(buffer + i, 1, 1, archive);
if (buffer[i] == 0xFD && buffer[i - 1] == 0xFD)
break;
i++;
}
// Try to determine the dc family based on the header type
if (buffer[2] == 0x20 || buffer[2] == 0x21) {
dc_fam = DC_FAMILY_HW_OSTC;
} else {
switch (buffer[8]) {
case 0x22:
dc_fam = DC_FAMILY_HW_FROG;
break;
case 0x23:
case 0x24:
dc_fam = DC_FAMILY_HW_OSTC3;
break;
default:
report_error(translate("gettextFromC", "Unknown DC in dive %d"), ostcdive->number);
free(ostcdive);
fclose(archive);
goto out;
}
}
// Try to determine the model based on serial number
switch (dc_fam) {
case DC_FAMILY_HW_OSTC:
if (serial > 7000)
model = 3; //2C
else if (serial > 2048)
model = 2; //2N
else if (serial > 300)
model = 1; //MK2
else
model = 0; //OSTC
break;
case DC_FAMILY_HW_FROG:
model = 0;
break;
default:
if (serial > 10000)
model = 0x12; //Sport
else
model = 0x0A; //OSTC3
}
// Prepare data to pass to libdivecomputer.
ret = ostc_prepare_data(model, dc_fam, devdata);
if (ret == 0) {
report_error(translate("gettextFromC", "Unknown DC in dive %d"), ostcdive->number);
free(ostcdive);
fclose(archive);
goto out;
}
tmp = calloc(strlen(devdata->vendor) + strlen(devdata->model) + 28, 1);
sprintf(tmp, "%s %s (Imported from OSTCTools)", devdata->vendor, devdata->model);
ostcdive->dc.model = copy_string(tmp);
free(tmp);
// Parse the dive data
rc = libdc_buffer_parser(ostcdive, devdata, buffer, i + 1);
if (rc != DC_STATUS_SUCCESS)
report_error(translate("gettextFromC", "Error - %s - parsing dive %d"), errmsg(rc), ostcdive->number);
// Serial number is not part of the header nor the profile, so libdc won't
// catch it. If Serial is part of the extra_data, and set to zero, remove
// it from the list and add again.
tmp = calloc(12, 1);
sprintf(tmp, "%d", serial);
ostcdive->dc.serial = copy_string(tmp);
free(tmp);
if (ostcdive->dc.extra_data) {
ptr = ostcdive->dc.extra_data;
while (strcmp(ptr->key, "Serial"))
ptr = ptr->next;
if (!strcmp(ptr->value, "0")) {
add_extra_data(&ostcdive->dc, "Serial", ostcdive->dc.serial);
*ptr = *(ptr)->next;
}
} else {
add_extra_data(&ostcdive->dc, "Serial", ostcdive->dc.serial);
}
record_dive_to_table(ostcdive, divetable);
mark_divelist_changed(true);
sort_table(divetable);
fclose(archive);
out:
free(devdata);
free(buffer);
}
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