void kill_io_pump(atransport * t, bool (*close_handle_func)(ADBAPIHANDLE)){
if (!t) {
// Nothing to do.
return;
}
#ifdef WIN32
usb_kick(t->usb, close_handle_func);
#else
usb_kick(t->usb);
#endif
}
ssize_t WindowsUsbTransport::Read(void* data, size_t len) {
unsigned long time_out = 0;
unsigned long read = 0;
int ret;
DBG("usb_read %d\n", len);
if (nullptr != handle_) {
while (1) {
int xfer = (len > MAX_USBFS_BULK_SIZE) ? MAX_USBFS_BULK_SIZE : len;
ret = AdbReadEndpointSync(handle_->adb_read_pipe, data, xfer, &read, time_out);
errno = GetLastError();
DBG("usb_read got: %ld, expected: %d, errno: %d\n", read, xfer, errno);
if (ret) {
return read;
} else {
// assume ERROR_INVALID_HANDLE indicates we are disconnected
if (errno == ERROR_INVALID_HANDLE)
usb_kick(handle_.get());
break;
}
// else we timed out - try again
}
} else {
DBG("usb_read NULL handle\n");
SetLastError(ERROR_INVALID_HANDLE);
}
DBG("usb_read failed: %d\n", errno);
return -1;
}
int usb_write(usb_handle* handle, const void* data, int len) {
unsigned long time_out = 5000;
unsigned long written = 0;
int err = 0;
D("usb_write %d", len);
if (nullptr == handle) {
D("usb_write was passed NULL handle");
err = EINVAL;
goto fail;
}
// Perform write
if (!AdbWriteEndpointSync(handle->adb_write_pipe, (void*)data, (unsigned long)len, &written,
time_out)) {
D("AdbWriteEndpointSync failed: %s",
android::base::SystemErrorCodeToString(GetLastError()).c_str());
err = EIO;
goto fail;
}
// Make sure that we've written what we were asked to write
D("usb_write got: %ld, expected: %d", written, len);
if (written != (unsigned long)len) {
// If this occurs, this code should be changed to repeatedly call
// AdbWriteEndpointSync() until all bytes are written.
D("AdbWriteEndpointSync was supposed to write %d, but only wrote %ld", len, written);
err = EIO;
goto fail;
}
if (handle->zero_mask && (len & handle->zero_mask) == 0) {
// Send a zero length packet
unsigned long dummy;
if (!AdbWriteEndpointSync(handle->adb_write_pipe, (void*)data, 0, &dummy, time_out)) {
D("AdbWriteEndpointSync of zero length packet failed: %s",
android::base::SystemErrorCodeToString(GetLastError()).c_str());
err = EIO;
goto fail;
}
}
return written;
fail:
// Any failure should cause us to kick the device instead of leaving it a
// zombie state with potential to hang.
if (nullptr != handle) {
D("Kicking device due to error in usb_write");
usb_kick(handle);
}
D("usb_write failed");
errno = err;
return -1;
}
static void
AndroidInterfaceNotify(void *refCon, io_service_t service, natural_t messageType, void *messageArgument)
{
usb_handle *handle = (usb_handle *)refCon;
if (messageType == kIOMessageServiceIsTerminated) {
if (!handle) {
DBG("ERR: NULL handle\n");
return;
}
DBG("AndroidInterfaceNotify\n");
IOObjectRelease(handle->usbNotification);
usb_kick(handle);
}
}
int usb_write(usb_handle* handle, const void* data, int len) {
unsigned long time_out = 5000;
unsigned long written = 0;
int ret;
D("usb_write %d\n", len);
if (NULL != handle) {
D("Before bridge->AdbWriteEndpointSync\n");
// Perform write
ret = i_bridge->AdbWriteEndpointSync(handle->adb_write_pipe,
(void*)data,
(unsigned long)len,
&written,
time_out);
D("After bridge->AdbWriteEndpointSync\n");
int saved_errno = GetLastError();
if (ret) {
// Make sure that we've written what we were asked to write
D("usb_write got: %ld, expected: %d\n", written, len);
if (written == (unsigned long)len) {
if(handle->zero_mask && (len & handle->zero_mask) == 0) {
// Send a zero length packet
i_bridge->AdbWriteEndpointSync(handle->adb_write_pipe,
(void*)data,
0,
&written,
time_out);
}
return 0;
}
} else {
// assume ERROR_INVALID_HANDLE indicates we are disconnected
if (saved_errno == ERROR_INVALID_HANDLE)
usb_kick(handle, i_bridge->AdbCloseHandle);
}
errno = saved_errno;
} else {
D("usb_write NULL handle\n");
SetLastError(ERROR_INVALID_HANDLE);
}
D("usb_write failed: %d\n", errno);
return -1;
}
int usb_write(usb_handle* handle, const void* data, int len) {
unsigned long time_out = 500 + len * 8;
unsigned long written = 0;
unsigned count = 0;
int ret;
DBG("usb_write %d\n", len);
if (NULL != handle) {
// Perform write
while(len > 0) {
int xfer = (len > MAX_USBFS_BULK_SIZE) ? MAX_USBFS_BULK_SIZE : len;
ret = AdbWriteEndpointSync(handle->adb_write_pipe,
(void*)data,
(unsigned long)xfer,
&written,
time_out);
errno = GetLastError();
DBG("AdbWriteEndpointSync returned %d, errno: %d\n", ret, errno);
if (ret == 0) {
// assume ERROR_INVALID_HANDLE indicates we are disconnected
if (errno == ERROR_INVALID_HANDLE)
usb_kick(handle);
return -1;
}
count += written;
len -= written;
data += written;
if (len == 0)
return count;
}
} else {
DBG("usb_write NULL handle\n");
SetLastError(ERROR_INVALID_HANDLE);
}
DBG("usb_write failed: %d\n", errno);
return -1;
}
int usb_read(usb_handle* handle, void* data, int len) {
unsigned long time_out = 0;
unsigned long read = 0;
int err = 0;
int orig_len = len;
D("usb_read %d", len);
if (nullptr == handle) {
D("usb_read was passed NULL handle");
err = EINVAL;
goto fail;
}
while (len == orig_len) {
if (!AdbReadEndpointSync(handle->adb_read_pipe, data, len, &read, time_out)) {
D("AdbReadEndpointSync failed: %s",
android::base::SystemErrorCodeToString(GetLastError()).c_str());
err = EIO;
goto fail;
}
D("usb_read got: %ld, expected: %d", read, len);
data = (char*)data + read;
len -= read;
}
return orig_len - len;
fail:
// Any failure should cause us to kick the device instead of leaving it a
// zombie state with potential to hang.
if (nullptr != handle) {
D("Kicking device due to error in usb_read");
usb_kick(handle);
}
D("usb_read failed");
errno = err;
return -1;
}
ssize_t WindowsUsbTransport::Write(const void* data, size_t len) {
unsigned long time_out = 5000;
unsigned long written = 0;
unsigned count = 0;
int ret;
DBG("usb_write %d\n", len);
if (nullptr != handle_) {
// Perform write
while(len > 0) {
int xfer = (len > MAX_USBFS_BULK_SIZE) ? MAX_USBFS_BULK_SIZE : len;
ret = AdbWriteEndpointSync(handle_->adb_write_pipe, const_cast<void*>(data), xfer,
&written, time_out);
errno = GetLastError();
DBG("AdbWriteEndpointSync returned %d, errno: %d\n", ret, errno);
if (ret == 0) {
// assume ERROR_INVALID_HANDLE indicates we are disconnected
if (errno == ERROR_INVALID_HANDLE)
usb_kick(handle_.get());
return -1;
}
count += written;
len -= written;
data = (const char *)data + written;
if (len == 0)
return count;
}
} else {
DBG("usb_write NULL handle\n");
SetLastError(ERROR_INVALID_HANDLE);
}
DBG("usb_write failed: %d\n", errno);
return -1;
}
int usb_read(usb_handle *handle, void* data, int len) {
unsigned long time_out = 500 + len * 8;
unsigned long read = 0;
int ret;
DBG("usb_read %d\n", len);
if (NULL != handle) {
while (1) {
int xfer = (len > MAX_USBFS_BULK_SIZE) ? MAX_USBFS_BULK_SIZE : len;
ret = AdbReadEndpointSync(handle->adb_read_pipe,
(void*)data,
(unsigned long)xfer,
&read,
time_out);
errno = GetLastError();
DBG("usb_read got: %ld, expected: %d, errno: %d\n", read, xfer, errno);
if (ret) {
return read;
} else if (errno != ERROR_SEM_TIMEOUT) {
// assume ERROR_INVALID_HANDLE indicates we are disconnected
if (errno == ERROR_INVALID_HANDLE)
usb_kick(handle);
break;
}
// else we timed out - try again
}
} else {
DBG("usb_read NULL handle\n");
SetLastError(ERROR_INVALID_HANDLE);
}
DBG("usb_read failed: %d\n", errno);
return -1;
}
static void remote_kick(atransport *t)
{
usb_kick(t->usb);
}
void UsbConnection::Close() {
usb_kick(handle_);
}
void UsbConnection::Reset() {
usb_reset(handle_);
usb_kick(handle_);
}
void usb_reset(usb_handle* handle) {
// Unimplemented on Windows.
usb_kick(handle);
}
