public static unsafe SocketError Poll(SafeSocketHandle handle, int microseconds, SelectMode mode, out bool status)
{
bool refAdded = false;
try
{
handle.DangerousAddRef(ref refAdded);
IntPtr rawHandle = handle.DangerousGetHandle();
IntPtr *fileDescriptorSet = stackalloc IntPtr[2] {
(IntPtr)1, rawHandle
};
Interop.Winsock.TimeValue IOwait = default;
// A negative timeout value implies an indefinite wait.
int socketCount;
if (microseconds != -1)
{
MicrosecondsToTimeValue((long)(uint)microseconds, ref IOwait);
socketCount =
Interop.Winsock.select(
0,
mode == SelectMode.SelectRead ? fileDescriptorSet : null,
mode == SelectMode.SelectWrite ? fileDescriptorSet : null,
mode == SelectMode.SelectError ? fileDescriptorSet : null,
ref IOwait);
}
else
{
socketCount =
Interop.Winsock.select(
0,
mode == SelectMode.SelectRead ? fileDescriptorSet : null,
mode == SelectMode.SelectWrite ? fileDescriptorSet : null,
mode == SelectMode.SelectError ? fileDescriptorSet : null,
IntPtr.Zero);
}
if ((SocketError)socketCount == SocketError.SocketError)
{
status = false;
return(GetLastSocketError());
}
status = (int)fileDescriptorSet[0] != 0 && fileDescriptorSet[1] == rawHandle;
return(SocketError.Success);
}
finally
{
if (refAdded)
{
handle.DangerousRelease();
}
}
}
internal unsafe bool AcceptEx(SafeSocketHandle listenSocketHandle, SafeSocketHandle acceptSocketHandle, IntPtr buffer, int len, int localAddressLength, int remoteAddressLength, out int bytesReceived, NativeOverlapped *overlapped)
{
IntPtr __listenSocketHandle_gen_native = default;
IntPtr __acceptSocketHandle_gen_native = default;
bytesReceived = default;
bool __retVal;
int __retVal_gen_native = default;
//
// Setup
//
bool listenSocketHandle__addRefd = false;
bool acceptSocketHandle__addRefd = false;
try
{
//
// Marshal
//
listenSocketHandle.DangerousAddRef(ref listenSocketHandle__addRefd);
__listenSocketHandle_gen_native = listenSocketHandle.DangerousGetHandle();
acceptSocketHandle.DangerousAddRef(ref acceptSocketHandle__addRefd);
__acceptSocketHandle_gen_native = acceptSocketHandle.DangerousGetHandle();
fixed(int *__bytesReceived_gen_native = &bytesReceived)
{
__retVal_gen_native = ((delegate * unmanaged <IntPtr, IntPtr, IntPtr, int, int, int, int *, NativeOverlapped *, int>)_target)(__listenSocketHandle_gen_native, __acceptSocketHandle_gen_native, buffer, len, localAddressLength, remoteAddressLength, __bytesReceived_gen_native, overlapped);
}
Marshal.SetLastPInvokeError(Marshal.GetLastSystemError());
//
// Unmarshal
//
__retVal = __retVal_gen_native != 0;
}
finally
{
//
// Cleanup
//
if (listenSocketHandle__addRefd)
{
listenSocketHandle.DangerousRelease();
}
if (acceptSocketHandle__addRefd)
{
acceptSocketHandle.DangerousRelease();
}
}
return(__retVal);
}
internal unsafe bool ConnectEx(SafeSocketHandle socketHandle, IntPtr socketAddress, int socketAddressSize, IntPtr buffer, int dataLength, out int bytesSent, NativeOverlapped *overlapped)
{
IntPtr __socketHandle_gen_native = default;
bytesSent = default;
bool __retVal;
int __retVal_gen_native = default;
//
// Setup
//
bool socketHandle__addRefd = false;
try
{
//
// Marshal
//
socketHandle.DangerousAddRef(ref socketHandle__addRefd);
__socketHandle_gen_native = socketHandle.DangerousGetHandle();
fixed(int *__bytesSent_gen_native = &bytesSent)
{
__retVal_gen_native = ((delegate * unmanaged <IntPtr, IntPtr, int, IntPtr, int, int *, NativeOverlapped *, int>)_target)(__socketHandle_gen_native, socketAddress, socketAddressSize, buffer, dataLength, __bytesSent_gen_native, overlapped);
}
Marshal.SetLastPInvokeError(Marshal.GetLastSystemError());
//
// Unmarshal
//
__retVal = __retVal_gen_native != 0;
}
finally
{
//
// Cleanup
//
if (socketHandle__addRefd)
{
socketHandle.DangerousRelease();
}
}
return(__retVal);
}
internal unsafe bool TransmitPackets(SafeSocketHandle socketHandle, IntPtr packetArray, int elementCount, int sendSize, NativeOverlapped *overlapped, TransmitFileOptions flags)
{
IntPtr __socketHandle_gen_native;
bool __retVal;
int __retVal_gen_native;
//
// Setup
//
bool socketHandle__addRefd = false;
try
{
//
// Marshal
//
socketHandle.DangerousAddRef(ref socketHandle__addRefd);
__socketHandle_gen_native = socketHandle.DangerousGetHandle();
__retVal_gen_native = ((delegate * unmanaged <IntPtr, IntPtr, int, int, NativeOverlapped *, TransmitFileOptions, int>)_target)(__socketHandle_gen_native, packetArray, elementCount, sendSize, overlapped, flags);
Marshal.SetLastPInvokeError(Marshal.GetLastSystemError());
//
// Unmarshal
//
__retVal = __retVal_gen_native != 0;
}
finally
{
//
// Cleanup
//
if (socketHandle__addRefd)
{
socketHandle.DangerousRelease();
}
}
return(__retVal);
}
internal unsafe SocketError WSARecvMsg(SafeSocketHandle socketHandle, IntPtr msg, out int bytesTransferred, NativeOverlapped *overlapped, IntPtr completionRoutine)
{
IntPtr __socketHandle_gen_native = default;
bytesTransferred = default;
SocketError __retVal;
//
// Setup
//
bool socketHandle__addRefd = false;
try
{
//
// Marshal
//
socketHandle.DangerousAddRef(ref socketHandle__addRefd);
__socketHandle_gen_native = socketHandle.DangerousGetHandle();
fixed(int *__bytesTransferred_gen_native = &bytesTransferred)
{
__retVal = ((delegate * unmanaged <IntPtr, IntPtr, int *, NativeOverlapped *, IntPtr, SocketError>)_target)(__socketHandle_gen_native, msg, __bytesTransferred_gen_native, overlapped, completionRoutine);
}
Marshal.SetLastPInvokeError(Marshal.GetLastSystemError());
}
finally
{
//
// Cleanup
//
if (socketHandle__addRefd)
{
socketHandle.DangerousRelease();
}
}
return(__retVal);
}
internal unsafe bool DisconnectEx(SafeSocketHandle socketHandle, NativeOverlapped *overlapped, int flags, int reserved)
{
IntPtr __socketHandle_gen_native;
bool __retVal;
int __retVal_gen_native;
//
// Setup
//
bool socketHandle__addRefd = false;
try
{
//
// Marshal
//
socketHandle.DangerousAddRef(ref socketHandle__addRefd);
__socketHandle_gen_native = socketHandle.DangerousGetHandle();
__retVal_gen_native = ((delegate * unmanaged <IntPtr, NativeOverlapped *, int, int, int>)_target)(__socketHandle_gen_native, overlapped, flags, reserved);
Marshal.SetLastPInvokeError(Marshal.GetLastSystemError());
//
// Unmarshal
//
__retVal = __retVal_gen_native != 0;
}
finally
{
//
// Cleanup
//
if (socketHandle__addRefd)
{
socketHandle.DangerousRelease();
}
}
return(__retVal);
}
static void Blocking_internal (SafeSocketHandle safeHandle, bool block, out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
Blocking_internal (safeHandle.DangerousGetHandle (), block, out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
static int Available_internal (SafeSocketHandle safeHandle, out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
return Available_internal (safeHandle.DangerousGetHandle (), out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
static void Shutdown_internal (SafeSocketHandle safeHandle, SocketShutdown how, out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
Shutdown_internal (safeHandle.DangerousGetHandle (), how, out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
static int IOControl_internal (SafeSocketHandle safeHandle, int ioctl_code, byte [] input, byte [] output, out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
return IOControl_internal (safeHandle.DangerousGetHandle (), ioctl_code, input, output, out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
static void SetSocketOption_internal (SafeSocketHandle safeHandle, SocketOptionLevel level, SocketOptionName name, object obj_val, byte [] byte_val, int int_val, out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
SetSocketOption_internal (safeHandle.DangerousGetHandle (), level, name, obj_val, byte_val, int_val, out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
static int Send_internal (SafeSocketHandle safeHandle, WSABUF[] bufarray, SocketFlags flags, out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
return Send_internal (safeHandle.DangerousGetHandle (), bufarray, flags, out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
static void Listen_internal (SafeSocketHandle safeHandle, int backlog, out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
Listen_internal (safeHandle.DangerousGetHandle (), backlog, out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
private static void Bind_internal (SafeSocketHandle safeHandle, SocketAddress sa, out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
Bind_internal (safeHandle.DangerousGetHandle (), sa, out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
private static void GetSocketOption_arr_internal (SafeSocketHandle safeHandle,
SocketOptionLevel level, SocketOptionName name, ref byte[] byte_val,
out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
GetSocketOption_arr_internal (safeHandle.DangerousGetHandle (), level, name, ref byte_val, out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
static SocketAddress RemoteEndPoint_internal (SafeSocketHandle safeHandle, int family, out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
return RemoteEndPoint_internal (safeHandle.DangerousGetHandle (), family, out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
static bool Poll_internal (SafeSocketHandle safeHandle, SelectMode mode, int timeout, out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
return Poll_internal (safeHandle.DangerousGetHandle (), mode, timeout, out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
static void Disconnect_internal (SafeSocketHandle safeHandle, bool reuse, out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
Disconnect_internal (safeHandle.DangerousGetHandle (), reuse, out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
