static void libdc_event_cb(dc_device_t * device, dc_event_type_t event, const void * data, void * userdata)
{
libdc_device_t dev = (libdc_device_t)(userdata);
if (dev == NULL)
return;
const dc_event_progress_t * progress = (dc_event_progress_t *)data;
const dc_event_devinfo_t * devinfo = (dc_event_devinfo_t *)data;
const dc_event_clock_t * clock = (dc_event_clock_t *)data;
switch (event)
{
case DC_EVENT_PROGRESS:
if (dev->pcb)
dev->pcb(dev->cb_data, progress->current, progress->maximum, & dev->cancel);
break;
case DC_EVENT_DEVINFO:
if (dev->dcb)
{
// Get the Token
char * token = NULL;
int free_token = 0;
dev->dcb(dev->cb_data, devinfo->model, devinfo->serial, dev->devtime, & token, & free_token);
if (token != NULL)
{
// Base64 Decode the Token
unsigned char * token_data = NULL;
size_t token_size = 0;
token_data = base64_decode(token, strlen(token), & token_size);
// Set the Token
if (token_data != NULL)
dc_device_set_fingerprint(dev->device, token_data, token_size);
// Free Token Data
if (free_token)
free(token);
}
}
break;
case DC_EVENT_CLOCK:
dev->devtime = clock->devtime;
dev->systime = clock->systime;
default:
break;
}
}
static void
event_cb (dc_device_t *device, dc_event_type_t event, const void *data, void *userdata)
{
const dc_event_devinfo_t *devinfo = (const dc_event_devinfo_t *) data;
event_data_t *eventdata = (event_data_t *) userdata;
// Forward to the default event handler.
dctool_event_cb (device, event, data, userdata);
switch (event) {
case DC_EVENT_DEVINFO:
// Load the fingerprint from the cache. If there is no
// fingerprint present in the cache, a NULL buffer is returned,
// and the registered fingerprint will be cleared.
if (eventdata->cachedir) {
char filename[1024] = {0};
dc_family_t family = DC_FAMILY_NULL;
dc_buffer_t *fingerprint = NULL;
// Generate the fingerprint filename.
family = dc_device_get_type (device);
snprintf (filename, sizeof (filename), "%s/%s-%08X.bin",
eventdata->cachedir, dctool_family_name (family), devinfo->serial);
// Read the fingerprint file.
fingerprint = dctool_file_read (filename);
// Register the fingerprint data.
dc_device_set_fingerprint (device,
dc_buffer_get_data (fingerprint),
dc_buffer_get_size (fingerprint));
// Free the buffer again.
dc_buffer_free (fingerprint);
}
// Keep a copy of the event data. It will be used for generating
// the fingerprint filename again after a (successful) download.
eventdata->devinfo = *devinfo;
break;
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, dctool_output_t *output)
{
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.fingerprint = &ofingerprint;
divedata.number = 0;
divedata.output = output;
// 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;
}
// 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 dc_status_t
dowork(dc_context_t *context, dc_descriptor_t *descriptor, program_options_t *options, dc_buffer_t *fingerprint) {
dc_status_t rc = DC_STATUS_SUCCESS;
/* initialize the device data */
device_data_t devdata = {{0}};
/* open the device */
message("Opening the device (%s, %s, %s.\n",
dc_descriptor_get_vendor(descriptor),
dc_descriptor_get_product(descriptor),
options->devname ? options->devname : "null");
dc_device_t *device = NULL;
rc = dc_device_open(&device, context, descriptor, options->devname);
if (rc != DC_STATUS_SUCCESS) {
WARNING("Error opening device.");
return rc;
}
/* register the event handler */
message("Registering the event handler.\n");
int events = DC_EVENT_WAITING | DC_EVENT_PROGRESS | DC_EVENT_DEVINFO | DC_EVENT_CLOCK;
rc = dc_device_set_events(device, events, event_cb, &devdata);
if (rc != DC_STATUS_SUCCESS) {
WARNING("Error registering the event handler.");
dc_device_close(device);
return rc;
}
/* register the cancellation handler */
message("Registering the cancellation handler.\n");
rc = dc_device_set_cancel(device, cancel_cb, NULL);
if (rc != DC_STATUS_SUCCESS) {
WARNING("Error registering the cancellation handler.");
dc_device_close(device);
return rc;
}
/* 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) {
WARNING("Error registerting the fingerprint data");
dc_device_close(device);
return rc;
}
}
/* dump the memory if requested */
if (options->dumpMemory) {
WARNING("Memory dump not enabled.");
}
/* dump the dives if requested */
if (options->dumpDives) {
/* initialize the dive data */
dive_data_t divedata = {0};
dif_dive_collection_t *dc = dif_dive_collection_alloc();
divedata.device = device;
divedata.fingerprint = NULL;
divedata.number = 0;
divedata.dc = dc;
/* download the dives */
message("Downloading the dives.\n");
rc = dc_device_foreach(device, dive_cb, &divedata);
if (rc != DC_STATUS_SUCCESS) {
WARNING("Error downloading the dives.");
dc_buffer_free(divedata.fingerprint);
dc_device_close (device);
return rc;
}
xml_options_t *xmlOptions = dif_xml_options_alloc();
xmlOptions->filename = options->xmlfile;
xmlOptions->useInvalidElements = options->useInvalidElements;
if (options->truncateDives) {
divedata.dc = dif_alg_dc_truncate_dives(divedata.dc);
}
if (options->initialPressureFix) {
divedata.dc = dif_alg_dc_initial_pressure_fix(divedata.dc);
}
dif_save_dive_collection_uddf_options(divedata.dc, xmlOptions);
/* free the fingerprint buffer */
dc_buffer_free(divedata.fingerprint);
dif_dive_collection_free(divedata.dc);
dif_xml_options_free(xmlOptions);
}
/* close the device */
message("Closing the device.\n");
rc = dc_device_close(device);
if (rc != DC_STATUS_SUCCESS) {
WARNING("Error closing the device.");
return rc;
}
return DC_STATUS_SUCCESS;
}
