device_read_overlapped.Offset = 0;
device_read_overlapped.OffsetHigh = 0;
- int status = ReadFile(device_handle, (void *)device_read_packet.data, MTU, NULL, &device_read_overlapped);
+ int status;
+ for (;;) {
+ DWORD len;
+ status = ReadFile(device_handle, (void *)device_read_packet.data, MTU, &len, &device_read_overlapped);
+ if (!status) {
+ if (GetLastError() != ERROR_IO_PENDING)
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info,
+ device, strerror(errno));
+ break;
+ }
- if(!status && GetLastError() != ERROR_IO_PENDING) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info,
- device, strerror(errno));
+ device_read_packet.len = len;
+ device_read_packet.priority = 0;
+ route(myself, &device_read_packet);
}
}
overwrite_mac = 1;
}
- /* Start the tap reader */
-
- io_add_event(&device_read_io, device_handle_read, NULL, CreateEvent(NULL, TRUE, FALSE, NULL));
- device_read_overlapped.hEvent = device_read_io.event;
- device_issue_read();
-
device_info = "Windows tap device";
logger(DEBUG_ALWAYS, LOG_INFO, "%s (%s) is a %s", device, iface, device_info);
static void enable_device(void) {
logger(DEBUG_ALWAYS, LOG_INFO, "Enabling %s", device_info);
+
ULONG status = 1;
DWORD len;
DeviceIoControl(device_handle, TAP_IOCTL_SET_MEDIA_STATUS, &status, sizeof status, &status, sizeof status, &len, NULL);
+
+ io_add_event(&device_read_io, device_handle_read, NULL, CreateEvent(NULL, TRUE, FALSE, NULL));
+ device_read_overlapped.hEvent = device_read_io.event;
+ device_issue_read();
}
static void disable_device(void) {
logger(DEBUG_ALWAYS, LOG_INFO, "Disabling %s", device_info);
+
+ io_del(&device_read_io);
+ CancelIo(device_handle);
+ CloseHandle(device_read_overlapped.hEvent);
+
ULONG status = 0;
DWORD len;
DeviceIoControl(device_handle, TAP_IOCTL_SET_MEDIA_STATUS, &status, sizeof status, &status, sizeof status, &len, NULL);
}
static void close_device(void) {
- io_del(&device_read_io);
- CancelIo(device_handle);
- CloseHandle(device_read_overlapped.hEvent);
CloseHandle(device_handle); device_handle = INVALID_HANDLE_VALUE;
free(device); device = NULL;