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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"
/*
* Returns a dc_descriptor_t structure based on dc model's number and family.
*/
static dc_descriptor_t *ostc_get_data_descriptor(int data_model, dc_family_t data_fam)
{
dc_descriptor_t *descriptor = NULL, *current = NULL;;
dc_iterator_t *iterator = NULL;
dc_status_t rc;
rc = dc_descriptor_iterator(&iterator);
if (rc != DC_STATUS_SUCCESS) {
fprintf(stderr,"Error creating the device descriptor iterator.\n");
return current;
}
while ((dc_iterator_next(iterator, &descriptor)) == DC_STATUS_SUCCESS) {
int desc_model = dc_descriptor_get_model(descriptor);
dc_family_t desc_fam = dc_descriptor_get_type(descriptor);
if (data_model == desc_model && data_fam == desc_fam) {
current = descriptor;
break;
}
dc_descriptor_free(descriptor);
}
dc_iterator_free(iterator);
return current;
}
/*
* Fills a device_data_t structure with known dc data and a descriptor.
*/
static void ostc_prepare_data(int data_model, dc_family_t dc_fam, device_data_t *dev_data)
{
device_data_t *ldc_dat = calloc(1, sizeof(device_data_t));
dc_descriptor_t *data_descriptor;
*ldc_dat = *dev_data;
ldc_dat->device = NULL;
ldc_dat->context = NULL;
data_descriptor = ostc_get_data_descriptor(data_model, dc_fam);
if (data_descriptor) {
ldc_dat->descriptor = data_descriptor;
ldc_dat->vendor = copy_string(data_descriptor->vendor);
ldc_dat->model = copy_string(data_descriptor->product);
*dev_data = *ldc_dat;
}
free(ldc_dat);
}
/*
* OSTCTools stores the raw dive data in heavily padded files, one dive
* each file. So it's not necesary 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),
*tmp;
struct dive *ostcdive = alloc_dive();
dc_status_t rc = 0;
int model = 0, i = 0;
unsigned int serial;
struct extra_data *ptr;
// Open the archive
if ((archive = subsurface_fopen(file, "rb")) == NULL) {
report_error(translate("gettextFromC", "Error: couldn't open the file"));
return;
}
// Read dive number from the log
tmp = calloc(2,1);
fseek(archive, 258, 0);
fread(tmp, 1, 2, archive);
ostcdive->number = tmp[0] + (tmp[1] << 8);
free(tmp);
// Read device's serial number
tmp = calloc(2, 1);
fseek(archive, 265, 0);
fread(tmp, 1, 2, archive);
serial = tmp[0] + (tmp[1] << 8);
free(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
switch (buffer[2]) {
case 0x20:
case 0x21:
dc_fam = DC_FAMILY_HW_OSTC;
break;
case 0x22:
dc_fam = DC_FAMILY_HW_FROG;
break;
case 0x23:
dc_fam = DC_FAMILY_HW_OSTC3;
break;
}
// Prepare data to pass to libdivecomputer. OSTC protocol doesn't include
// a model number so will use 0.
ostc_prepare_data(model, dc_fam, devdata);
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("Libdc returned error -%s- for 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);
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;
}
free(devdata);
free(buffer);
record_dive_to_table(ostcdive, divetable);
mark_divelist_changed(true);
sort_table(divetable);
fclose(archive);
}
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