/**
* \brief Free the port structure
* \param port a #GPPort
*
* Closes the port and frees the memory.
*
* \return a gphoto2 error code
**/
int
gp_port_free (GPPort *port)
{
GP_LOG_D ("Freeing port...");
C_PARAMS (port);
if (port->pc) {
if (port->pc->ops) {
/* We don't care for return values */
gp_port_close (port);
gp_port_exit (port);
free (port->pc->ops);
port->pc->ops = NULL;
}
if (port->pc->lh) {
#if !defined(VALGRIND)
lt_dlclose (port->pc->lh);
lt_dlexit ();
#endif
port->pc->lh = NULL;
}
free (port->pc->info.name);
free (port->pc->info.path);
free (port->pc->info.library_filename);
free (port->pc);
port->pc = NULL;
}
free (port);
return GP_OK;
}
/**
* \brief Free the port structure
* \param port a #GPPort
*
* Closes the port and frees the memory.
*
* \return a gphoto2 error code
**/
int
gp_port_free (GPPort *port)
{
gp_log (GP_LOG_DEBUG, "gphoto2-port", _("Freeing port..."));
CHECK_NULL (port);
if (port->pc) {
if (port->pc->ops) {
/* We don't care for return values */
gp_port_close (port);
gp_port_exit (port);
free (port->pc->ops);
port->pc->ops = NULL;
}
if (port->pc->lh) {
lt_dlclose (port->pc->lh);
lt_dlexit ();
port->pc->lh = NULL;
}
if (port->pc->info.name) free (port->pc->info.name);
if (port->pc->info.path) free (port->pc->info.path);
if (port->pc->info.library_filename) free (port->pc->info.library_filename);
free (port->pc);
port->pc = NULL;
}
free (port);
return GP_OK;
}
/**
* \brief Configure a port
*
* Makes a port functional by passing in the necessary path
* information (from the serial:/dev/ttyS0 or similar variables).
* After calling this function, you can access the port using for
* example gp_port_open().
*
* \param port a GPPort
* \param info the GPPortInfo to set
*
* \return a gphoto2 error code
**/
int
gp_port_set_info (GPPort *port, GPPortInfo info)
{
GPPortLibraryOperations ops_func;
CHECK_NULL (port);
if (port->pc->info.name) free (port->pc->info.name);
port->pc->info.name = strdup (info->name);
if (port->pc->info.path) free (port->pc->info.path);
port->pc->info.path = strdup (info->path);
port->pc->info.type = info->type;
if (port->pc->info.library_filename) free (port->pc->info.library_filename);
port->pc->info.library_filename = strdup (info->library_filename);
port->type = info->type;
/* Clean up */
if (port->pc->ops) {
gp_port_exit (port);
free (port->pc->ops);
port->pc->ops = NULL;
}
if (port->pc->lh) {
lt_dlclose (port->pc->lh);
lt_dlexit ();
}
lt_dlinit ();
port->pc->lh = lt_dlopenext (info->library_filename);
if (!port->pc->lh) {
gp_log (GP_LOG_ERROR, "gphoto2-port", _("Could not load "
"'%s' ('%s')."), info->library_filename,
lt_dlerror ());
lt_dlexit ();
return (GP_ERROR_LIBRARY);
}
/* Load the operations */
ops_func = lt_dlsym (port->pc->lh, "gp_port_library_operations");
if (!ops_func) {
gp_log (GP_LOG_ERROR, "gphoto2-port", _("Could not find "
"'gp_port_library_operations' in '%s' ('%s')"),
info->library_filename, lt_dlerror ());
lt_dlclose (port->pc->lh);
lt_dlexit ();
port->pc->lh = NULL;
return (GP_ERROR_LIBRARY);
}
port->pc->ops = ops_func ();
gp_port_init (port);
/* Initialize the settings to some default ones */
switch (info->type) {
case GP_PORT_SERIAL:
port->settings.serial.speed = 0;
port->settings.serial.bits = 8;
port->settings.serial.parity = 0;
port->settings.serial.stopbits = 1;
gp_port_set_timeout (port, 500);
break;
case GP_PORT_USB:
strncpy (port->settings.usb.port, info->path,
sizeof (port->settings.usb.port));
port->settings.usb.inep = -1;
port->settings.usb.outep = -1;
port->settings.usb.config = -1;
port->settings.usb.interface = 0;
port->settings.usb.altsetting = -1;
gp_port_set_timeout (port, 5000);
break;
case GP_PORT_USB_DISK_DIRECT:
snprintf(port->settings.usbdiskdirect.path,
sizeof(port->settings.usbdiskdirect.path), "%s",
strchr(info->path, ':') + 1);
break;
case GP_PORT_USB_SCSI:
snprintf(port->settings.usbscsi.path,
sizeof(port->settings.usbscsi.path), "%s",
strchr(info->path, ':') + 1);
break;
default:
/* Nothing in here */
break;
}
gp_port_set_settings (port, port->settings);
return (GP_OK);
}
/**
* \brief Configure a port
*
* Makes a port functional by passing in the necessary path
* information (from the serial:/dev/ttyS0 or similar variables).
* After calling this function, you can access the port using for
* example gp_port_open().
*
* \param port a GPPort
* \param info the GPPortInfo to set
*
* \return a gphoto2 error code
**/
int
gp_port_set_info (GPPort *port, GPPortInfo info)
{
int ret;
GPPortLibraryOperations ops_func;
C_PARAMS (port);
free (port->pc->info.name);
C_MEM (port->pc->info.name = strdup (info->name));
free (port->pc->info.path);
C_MEM (port->pc->info.path = strdup (info->path));
port->pc->info.type = info->type;
free (port->pc->info.library_filename);
C_MEM (port->pc->info.library_filename = strdup (info->library_filename));
port->type = info->type;
/* Clean up */
if (port->pc->ops) {
gp_port_exit (port);
free (port->pc->ops);
port->pc->ops = NULL;
}
if (port->pc->lh) {
#if !defined(VALGRIND)
lt_dlclose (port->pc->lh);
lt_dlexit ();
#endif
}
lt_dlinit ();
port->pc->lh = lt_dlopenext (info->library_filename);
if (!port->pc->lh) {
GP_LOG_E ("Could not load '%s' ('%s').", info->library_filename, lt_dlerror ());
lt_dlexit ();
return (GP_ERROR_LIBRARY);
}
/* Load the operations */
ops_func = lt_dlsym (port->pc->lh, "gp_port_library_operations");
if (!ops_func) {
GP_LOG_E ("Could not find 'gp_port_library_operations' in '%s' ('%s')",
info->library_filename, lt_dlerror ());
lt_dlclose (port->pc->lh);
lt_dlexit ();
port->pc->lh = NULL;
return (GP_ERROR_LIBRARY);
}
port->pc->ops = ops_func ();
gp_port_init (port);
/* Initialize the settings to some default ones */
switch (info->type) {
case GP_PORT_SERIAL:
port->settings.serial.speed = 0;
port->settings.serial.bits = 8;
port->settings.serial.parity = 0;
port->settings.serial.stopbits = 1;
gp_port_set_timeout (port, 500);
break;
case GP_PORT_USB:
if (sizeof (port->settings.usb.port) <= strlen(info->path)) {
GP_LOG_E ("Path is too long for static buffer '%s'.", info->path);
return GP_ERROR_LIBRARY;
}
strncpy (port->settings.usb.port, info->path,
sizeof (port->settings.usb.port));
port->settings.usb.inep = -1;
port->settings.usb.outep = -1;
port->settings.usb.config = -1;
port->settings.usb.interface = 0;
port->settings.usb.altsetting = -1;
gp_port_set_timeout (port, 5000);
break;
case GP_PORT_USB_DISK_DIRECT:
snprintf(port->settings.usbdiskdirect.path,
sizeof(port->settings.usbdiskdirect.path), "%s",
strchr(info->path, ':') + 1);
break;
case GP_PORT_USB_SCSI:
snprintf(port->settings.usbscsi.path,
sizeof(port->settings.usbscsi.path), "%s",
strchr(info->path, ':') + 1);
break;
default:
/* Nothing in here */
break;
}
ret = gp_port_set_settings (port, port->settings);
if (ret != GP_ERROR_NOT_SUPPORTED)
CHECK_RESULT (ret);
return GP_OK;
}