static int
haiku_handle_transfer_completion(struct usbi_transfer * itransfer)
{
USBTransfer* transfer=*((USBTransfer**)usbi_transfer_get_os_priv(itransfer));
usbi_mutex_lock(&itransfer->lock);
if(transfer->IsCancelled())
{
delete transfer;
*((USBTransfer**)usbi_transfer_get_os_priv(itransfer))=NULL;
usbi_mutex_unlock(&itransfer->lock);
if (itransfer->transferred < 0)
itransfer->transferred = 0;
return usbi_handle_transfer_cancellation(itransfer);
}
libusb_transfer_status status = LIBUSB_TRANSFER_COMPLETED;
if(itransfer->transferred < 0)
{
usbi_err(ITRANSFER_CTX(itransfer), "error in transfer");
status = LIBUSB_TRANSFER_ERROR;
itransfer->transferred=0;
}
delete transfer;
*((USBTransfer**)usbi_transfer_get_os_priv(itransfer))=NULL;
usbi_mutex_unlock(&itransfer->lock);
return usbi_handle_transfer_completion(itransfer, status);
}
int
obsd_handle_events(struct libusb_context *ctx, struct pollfd *fds, nfds_t nfds,
int num_ready)
{
struct libusb_device_handle *handle;
struct handle_priv *hpriv = NULL;
struct usbi_transfer *itransfer;
struct pollfd *pollfd;
int i, err = 0;
usbi_dbg("");
pthread_mutex_lock(&ctx->open_devs_lock);
for (i = 0; i < nfds && num_ready > 0; i++) {
pollfd = &fds[i];
if (!pollfd->revents)
continue;
hpriv = NULL;
num_ready--;
list_for_each_entry(handle, &ctx->open_devs, list,
struct libusb_device_handle) {
hpriv = (struct handle_priv *)handle->os_priv;
if (hpriv->pipe[0] == pollfd->fd)
break;
hpriv = NULL;
}
if (NULL == hpriv) {
usbi_dbg("fd %d is not an event pipe!", pollfd->fd);
err = ENOENT;
break;
}
if (pollfd->revents & POLLERR) {
usbi_remove_pollfd(HANDLE_CTX(handle), hpriv->pipe[0]);
usbi_handle_disconnect(handle);
continue;
}
if (read(hpriv->pipe[0], &itransfer, sizeof(itransfer)) < 0) {
err = errno;
break;
}
if ((err = usbi_handle_transfer_completion(itransfer,
LIBUSB_TRANSFER_COMPLETED)))
break;
}
pthread_mutex_unlock(&ctx->open_devs_lock);
if (err)
return _errno_to_libusb(err);
return (LIBUSB_SUCCESS);
}
static void windows_transfer_callback(const struct windows_backend *backend,
struct usbi_transfer *itransfer, DWORD io_result, DWORD io_size)
{
int status, istatus;
usbi_dbg("handling I/O completion with errcode %u, size %u", (unsigned int)io_result, (unsigned int)io_size);
switch (io_result) {
case NO_ERROR:
status = backend->copy_transfer_data(itransfer, (uint32_t)io_size);
break;
case ERROR_GEN_FAILURE:
usbi_dbg("detected endpoint stall");
status = LIBUSB_TRANSFER_STALL;
break;
case ERROR_SEM_TIMEOUT:
usbi_dbg("detected semaphore timeout");
status = LIBUSB_TRANSFER_TIMED_OUT;
break;
case ERROR_OPERATION_ABORTED:
istatus = backend->copy_transfer_data(itransfer, (uint32_t)io_size);
if (istatus != LIBUSB_TRANSFER_COMPLETED)
usbi_dbg("Failed to copy partial data in aborted operation: %d", istatus);
usbi_dbg("detected operation aborted");
status = LIBUSB_TRANSFER_CANCELLED;
break;
case ERROR_FILE_NOT_FOUND:
usbi_dbg("detected device removed");
status = LIBUSB_TRANSFER_NO_DEVICE;
break;
default:
usbi_err(ITRANSFER_CTX(itransfer), "detected I/O error %u: %s", (unsigned int)io_result, windows_error_str(io_result));
status = LIBUSB_TRANSFER_ERROR;
break;
}
backend->clear_transfer_priv(itransfer); // Cancel polling
if (status == LIBUSB_TRANSFER_CANCELLED)
usbi_handle_transfer_cancellation(itransfer);
else
usbi_handle_transfer_completion(itransfer, (enum libusb_transfer_status)status);
}
static void windows_transfer_callback(struct usbi_transfer *itransfer, uint32_t io_result, uint32_t io_size)
{
int status, istatus;
usbi_dbg("handling I/O completion with errcode %u, size %u", io_result, io_size);
switch (io_result) {
case NO_ERROR:
status = windows_copy_transfer_data(itransfer, io_size);
break;
case ERROR_GEN_FAILURE:
usbi_dbg("detected endpoint stall");
status = LIBUSB_TRANSFER_STALL;
break;
case ERROR_SEM_TIMEOUT:
usbi_dbg("detected semaphore timeout");
status = LIBUSB_TRANSFER_TIMED_OUT;
break;
case ERROR_OPERATION_ABORTED:
istatus = windows_copy_transfer_data(itransfer, io_size);
if (istatus != LIBUSB_TRANSFER_COMPLETED)
usbi_dbg("Failed to copy partial data in aborted operation: %d", istatus);
if (itransfer->flags & USBI_TRANSFER_TIMED_OUT) {
usbi_dbg("detected timeout");
status = LIBUSB_TRANSFER_TIMED_OUT;
}
else {
usbi_dbg("detected operation aborted");
status = LIBUSB_TRANSFER_CANCELLED;
}
break;
default:
usbi_err(ITRANSFER_CTX(itransfer), "detected I/O error %u: %s", io_result, windows_error_str(io_result));
status = LIBUSB_TRANSFER_ERROR;
break;
}
windows_clear_transfer_priv(itransfer); // Cancel polling
usbi_handle_transfer_completion(itransfer, (enum libusb_transfer_status)status);
}
static int
solaris_submit_ctrl_on_default(struct libusb_transfer *transfer)
{
int ret = -1, setup_ret;
int status;
sunos_dev_handle_priv_t *hpriv;
struct libusb_device_handle *hdl = transfer->dev_handle;
uint16_t wLength;
uint8_t *data = transfer->buffer;
hpriv = (sunos_dev_handle_priv_t *)hdl->os_priv;
wLength = transfer->length - LIBUSB_CONTROL_SETUP_SIZE;
if (hpriv->eps[0].datafd == -1) {
usbi_dbg("ep0 not opened");
return (LIBUSB_ERROR_NOT_FOUND);
}
if ((data[0] & LIBUSB_ENDPOINT_DIR_MASK) == LIBUSB_ENDPOINT_IN) {
usbi_dbg("IN request");
ret = usb_do_io(hpriv->eps[0].datafd,
hpriv->eps[0].statfd, (char *)data, LIBUSB_CONTROL_SETUP_SIZE,
WRITE, (int *)&status);
} else {
usbi_dbg("OUT request");
ret = usb_do_io(hpriv->eps[0].datafd, hpriv->eps[0].statfd,
transfer->buffer, transfer->length, WRITE,
(int *)&transfer->status);
}
setup_ret = ret;
if (ret < LIBUSB_CONTROL_SETUP_SIZE) {
usbi_dbg("error sending control msg: %d", ret);
return (LIBUSB_ERROR_IO);
}
ret = transfer->length - LIBUSB_CONTROL_SETUP_SIZE;
/* Read the remaining bytes for IN request */
if ((wLength) && ((data[0] & LIBUSB_ENDPOINT_DIR_MASK) ==
LIBUSB_ENDPOINT_IN)) {
usbi_dbg("DATA: %d", transfer->length - setup_ret);
ret = usb_do_io(hpriv->eps[0].datafd,
hpriv->eps[0].statfd,
(char *)transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE,
wLength, READ, (int *)&transfer->status);
}
if (ret >= 0) {
transfer->actual_length = ret;
LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer)->transferred = ret;
}
usbi_dbg("Done: ctrl data bytes %d", ret);
/* sync transfer handling */
ret = usbi_handle_transfer_completion(LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer),
transfer->status);
return (ret);
}
int
sunos_handle_transfer_completion(struct usbi_transfer *itransfer)
{
return usbi_handle_transfer_completion(itransfer, LIBUSB_TRANSFER_COMPLETED);
}
static void wince_transfer_callback(struct usbi_transfer *itransfer, uint32_t io_result, uint32_t io_size)
{
struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
struct wince_transfer_priv *transfer_priv = (struct wince_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
struct wince_device_priv *priv = _device_priv(transfer->dev_handle->dev);
int status;
usbi_dbg("handling I/O completion with errcode %d", io_result);
if (io_result == ERROR_NOT_SUPPORTED &&
transfer->type != LIBUSB_TRANSFER_TYPE_CONTROL) {
/* For functional stalls, the WinCE USB layer (and therefore the USB Kernel Wrapper
* Driver) will report USB_ERROR_STALL/ERROR_NOT_SUPPORTED in situations where the
* endpoint isn't actually stalled.
*
* One example of this is that some devices will occasionally fail to reply to an IN
* token. The WinCE USB layer carries on with the transaction until it is completed
* (or cancelled) but then completes it with USB_ERROR_STALL.
*
* This code therefore needs to confirm that there really is a stall error, by both
* checking the pipe status and requesting the endpoint status from the device.
*/
BOOL halted = FALSE;
usbi_dbg("checking I/O completion with errcode ERROR_NOT_SUPPORTED is really a stall");
if (UkwIsPipeHalted(priv->dev, transfer->endpoint, &halted)) {
/* Pipe status retrieved, so now request endpoint status by sending a GET_STATUS
* control request to the device. This is done synchronously, which is a bit
* naughty, but this is a special corner case.
*/
WORD wStatus = 0;
DWORD written = 0;
UKW_CONTROL_HEADER ctrlHeader;
ctrlHeader.bmRequestType = LIBUSB_REQUEST_TYPE_STANDARD |
LIBUSB_ENDPOINT_IN | LIBUSB_RECIPIENT_ENDPOINT;
ctrlHeader.bRequest = LIBUSB_REQUEST_GET_STATUS;
ctrlHeader.wValue = 0;
ctrlHeader.wIndex = transfer->endpoint;
ctrlHeader.wLength = sizeof(wStatus);
if (UkwIssueControlTransfer(priv->dev,
UKW_TF_IN_TRANSFER | UKW_TF_SEND_TO_ENDPOINT,
&ctrlHeader, &wStatus, sizeof(wStatus), &written, NULL)) {
if (written == sizeof(wStatus) &&
(wStatus & STATUS_HALT_FLAG) == 0) {
if (!halted || UkwClearHaltHost(priv->dev, transfer->endpoint)) {
usbi_dbg("Endpoint doesn't appear to be stalled, overriding error with success");
io_result = ERROR_SUCCESS;
} else {
usbi_dbg("Endpoint doesn't appear to be stalled, but the host is halted, changing error");
io_result = ERROR_IO_DEVICE;
}
}
}
}
}
switch(io_result) {
case ERROR_SUCCESS:
itransfer->transferred += io_size;
status = LIBUSB_TRANSFER_COMPLETED;
break;
case ERROR_CANCELLED:
usbi_dbg("detected transfer cancel");
status = LIBUSB_TRANSFER_CANCELLED;
break;
case ERROR_NOT_SUPPORTED:
case ERROR_GEN_FAILURE:
usbi_dbg("detected endpoint stall");
status = LIBUSB_TRANSFER_STALL;
break;
case ERROR_SEM_TIMEOUT:
usbi_dbg("detected semaphore timeout");
status = LIBUSB_TRANSFER_TIMED_OUT;
break;
case ERROR_OPERATION_ABORTED:
if (itransfer->flags & USBI_TRANSFER_TIMED_OUT) {
usbi_dbg("detected timeout");
status = LIBUSB_TRANSFER_TIMED_OUT;
} else {
usbi_dbg("detected operation aborted");
status = LIBUSB_TRANSFER_CANCELLED;
}
break;
default:
usbi_err(ITRANSFER_CTX(itransfer), "detected I/O error: %s", windows_error_str(io_result));
status = LIBUSB_TRANSFER_ERROR;
break;
}
wince_clear_transfer_priv(itransfer);
if (status == LIBUSB_TRANSFER_CANCELLED) {
usbi_handle_transfer_cancellation(itransfer);
} else {
usbi_handle_transfer_completion(itransfer, (enum libusb_transfer_status)status);
}
}
