BDevice::BDevice() : accessibilityMode(false), x(0), y(0)
{
name.resize(BRLAPI_MAXNAMELENGTH + 1);
this->socket = brlapi_openConnection(NULL, NULL);
brlapi_getDisplaySize(&x, &y);
brlapi_getDriverName(&name[0], BRLAPI_MAXNAMELENGTH + 1);
}
/* Opens a connection with BrlAPI's server */
static int brl_construct(BrailleDisplay *brl, char **parameters, const char *device)
{
brlapi_connectionSettings_t settings;
settings.host = parameters[PARM_HOST];
settings.auth = parameters[PARM_AUTH];
CHECK((brlapi_openConnection(&settings, &settings)>=0), out);
logMessage(LOG_DEBUG, "Connected to %s using %s", settings.host, settings.auth);
CHECK((brlapi_enterTtyModeWithPath(NULL, 0, NULL)>=0), out0);
logMessage(LOG_DEBUG, "Got tty successfully");
CHECK((brlapi_getDisplaySize(&brl->textColumns, &brl->textRows)==0), out1);
logMessage(LOG_DEBUG,"Found out display size: %dx%d", brl->textColumns, brl->textRows);
displaySize = brl->textColumns*brl->textRows;
prevData = malloc(displaySize);
CHECK((prevData!=NULL), out1);
prevText = malloc(displaySize * sizeof(wchar_t));
CHECK((prevText!=NULL), out2);
prevShown = 0;
restart = 0;
logMessage(LOG_DEBUG, "Memory allocated, returning 1");
return 1;
out2:
free(prevData);
out1:
brlapi_leaveTtyMode();
out0:
brlapi_closeConnection();
out:
logMessage(LOG_DEBUG, "Something went wrong, returning 0");
return 0;
}
int
main (int argc, char *argv[]) {
ProgramExitStatus exitStatus = PROG_EXIT_SUCCESS;
brlapi_fileDescriptor fd;
settings.host = NULL; settings.auth = NULL;
{
static const OptionsDescriptor descriptor = {
OPTION_TABLE(programOptions),
.applicationName = "apitest"
};
PROCESS_OPTIONS(descriptor, argc, argv);
}
fprintf(stderr, "Connecting to BrlAPI... ");
if ((fd=brlapi_openConnection(&settings, &settings)) != (brlapi_fileDescriptor)(-1)) {
fprintf(stderr, "done (fd=%"PRIfd")\n", fd);
fprintf(stderr,"Connected to %s using auth %s\n", settings.host, settings.auth);
if (opt_showName) {
showDriverName();
}
if (opt_showSize) {
showDisplaySize();
}
if (opt_showDots) {
showDots();
}
if (opt_learnMode) {
enterLearnMode();
}
if (opt_showKeyCodes) {
showKeyCodes();
}
if (opt_suspendMode) {
suspendDriver();
}
brlapi_closeConnection();
fprintf(stderr, "Disconnected\n");
} else {
fprintf(stderr, "failed to connect to %s using auth %s",settings.host, settings.auth);
brlapi_perror("");
exitStatus = PROG_EXIT_FATAL;
}
return exitStatus;
}
CAMLprim value brlapiml_openConnection(value settings)
{
CAMLparam1(settings);
CAMLlocal2(s, pair);
int res;
brlapi_connectionSettings_t brlapiSettings;
brlapiSettings.auth = String_val(Field(settings, 0));
brlapiSettings.host = String_val(Field(settings, 1));
res = brlapi_openConnection(&brlapiSettings, &brlapiSettings);
if (res<0) raise_brlapi_error();
s = caml_alloc_tuple(2);
Store_field(s, 0, caml_copy_string(brlapiSettings.auth));
Store_field(s, 1, caml_copy_string(brlapiSettings.host));
pair = caml_alloc_tuple(2);
Store_field(pair, 0, Val_int(res));
Store_field(pair, 1, s);
CAMLreturn(pair);
}
