// license that can be found in the LICENSE file.

package net

import "syscall"

func isConnError(err error) bool {
	if se, ok := err.(syscall.Errno); ok {
		return se == syscall.WSAECONNRESET || se == syscall.WSAECONNABORTED
	}
	return false

package net

import (
	"errors"
	"syscall"
)

var (
	errOpNotSupported = syscall.EOPNOTSUPP

	abortedConnRequestErrors = []error{syscall.ERROR_NETNAME_DELETED, syscall.WSAECONNRESET} // see accept in fd_windows.go
)

func isPlatformError(err error) bool {
	_, ok := err.(syscall.Errno)
	return ok
}

func isENOBUFS(err error) bool {

	ERROR_NOT_FOUND           Errno = 1168
	ERROR_PRIVILEGE_NOT_HELD  Errno = 1314
	WSAEACCES                 Errno = 10013
	WSAENOPROTOOPT            Errno = 10042
	WSAECONNABORTED           Errno = 10053
	WSAECONNRESET             Errno = 10054
)

const (
	// Invented values to support what package os expects.
	O_RDONLY   = 0x00000
	O_WRONLY   = 0x00001
	O_RDWR     = 0x00002
	O_CREAT    = 0x00040
	O_EXCL     = 0x00080

		n, err := c.Read(b)
		if err == nil || err == io.EOF {
			return string(b[:n]), nil
		}
		errno, ok := toErrno(err)
		if ok && ignoreSomeReadErrors && (errno == syscall.ERROR_NETNAME_DELETED || errno == syscall.WSAECONNRESET) {
			return "", nil
		}
		return "", err
	}

	send := func(addr string, data string) error {
		c, err := Dial("tcp", addr)
		if err != nil {
			return err
		}
		defer c.Close()

			return syscall.InvalidHandle, nil, 0, "", err
		}

		errcall, err := fd.acceptOne(s, rawsa[:], o)
		if err == nil {
			return s, rawsa[:], uint32(o.rsan), "", nil
		}

		// Sometimes we see WSAECONNRESET and ERROR_NETNAME_DELETED is
		// returned here. These happen if connection reset is received
		// before AcceptEx could complete. These errors relate to new
		// connection, not to AcceptEx, so ignore broken connection and

pkg syscall (windows-386), const SIO_KEEPALIVE_VALS = 2550136836
pkg syscall (windows-386), const SIO_KEEPALIVE_VALS ideal-int
pkg syscall (windows-386), const WSAECONNRESET = 10054
pkg syscall (windows-386), const WSAECONNRESET Errno
pkg syscall (windows-386), func NewCallbackCDecl(interface{}) uintptr
pkg syscall (windows-386), type TCPKeepalive struct

		if oe, ok := err.(*net.OpError); ok && oe.Op == "read" {
			if se, ok := oe.Err.(*os.SyscallError); ok && se.Syscall == "wsarecv" {
				const WSAECONNABORTED = 10053
				const WSAECONNRESET = 10054
				if n := http2errno(se.Err); n == WSAECONNRESET || n == WSAECONNABORTED {
					return true
				}
			}
		}
	}
	return false
}

	WSAENETRESET                                                              syscall.Errno = 10052
	WSAECONNABORTED                                                           syscall.Errno = 10053
	WSAECONNRESET                                                             syscall.Errno = 10054
	WSAENOBUFS                                                                syscall.Errno = 10055

		{"WSAData.SystemStatus", Field, 0},
		{"WSAData.VendorInfo", Field, 0},
		{"WSAData.Version", Field, 0},
		{"WSAEACCES", Const, 2},
		{"WSAECONNABORTED", Const, 9},
		{"WSAECONNRESET", Const, 3},
		{"WSAEnumProtocols", Func, 2},
		{"WSAID_CONNECTEX", Var, 1},
		{"WSAIoctl", Func, 0},
		{"WSAPROTOCOL_LEN", Const, 2},
		{"WSAProtocolChain", Type, 2},