这个仓库代码量太大了 以读为主 不写了

tcpip/tcpip.go

@@ -1,188 +0,0 @@
-package tcpip
-
-import (
-	"fmt"
-	"log"
-	"strconv"
-	"strings"
-)
-
-type Error struct {
-	msg         string
-	ignoreStats bool
-}
-
-func (err *Error) String() string {
-	return err.msg
-}
-
-func (err *Error) IgnoreStats() bool {
-	return err.ignoreStats
-}
-
-var (
-	ErrUnknowProtocol        = &Error{msg: "unknown protocol"}
-	ErrUnknowNICID           = &Error{msg: "unknown nic id"}
-	ErrUnknowProtocolOption  = &Error{msg: "unknown option for protocol"}
-	ErrDuplicateNICID        = &Error{msg: "duplicate nic id"}
-	ErrDuplicateAddress      = &Error{msg: "duplicate address"}
-	ErrNoRoute               = &Error{msg: "no route"}
-	ErrBadLinkEndpoint       = &Error{msg: "bad link layer endpoint"}
-	ErrAlreadyBound          = &Error{msg: "endpoint already bound", ignoreStats: true}
-	ErrInvalidEndpointState  = &Error{msg: "endpoint is in invalid state"}
-	ErrAlreadyConnecting     = &Error{msg: "endpoint is already connecting", ignoreStats: true}
-	ErrAlreadyConnected      = &Error{msg: "endpoint is already connected", ignoreStats: true}
-	ErrNoPortAvailable       = &Error{msg: "no port are available"}
-	ErrPortInUse             = &Error{msg: "port is in use"}
-	ErrBadLocalAddress       = &Error{msg: "bad local address"}
-	ErrClosedForSend         = &Error{msg: "endpoint is closed for send"}
-	ErrClosedForReceive      = &Error{msg: "endpoint is closed for receive"}
-	ErrWouldBlock            = &Error{msg: "operation would block", ignoreStats: true}
-	ErrConnectionRefused     = &Error{msg: "connection was refused"}
-	ErrTimeout               = &Error{msg: "operation timed out"}
-	ErrAborted               = &Error{msg: "operation aborted"}
-	ErrConnectStarted        = &Error{msg: "connection address is required"}
-	ErrDestinationRequired   = &Error{msg: "destination address is required"}
-	ErrNotSupported          = &Error{msg: "operation not supported"}
-	ErrQueueSizeNotSupported = &Error{msg: "queue size querying not supported"}
-	ErrNotConnected          = &Error{msg: "endpoint not connected"}
-	ErrConnectionReset       = &Error{msg: "connection reset by peer"}
-	ErrConnectionAborted     = &Error{msg: "connection aborted"}
-	ErrNoSuchFile            = &Error{msg: "invalid option value specified"}
-	ErrNoLinkAddress         = &Error{msg: "no remote link address"}
-	ErrBadAddress            = &Error{msg: "bad adress"}
-	ErrNetworkUnreachable    = &Error{msg: "network is unreachable"}
-	ErrMessageTooLong        = &Error{msg: "message too long"}
-	ErrNoBufferSpace         = &Error{msg: "no buffer space available"}
-)
-
-type LinkAddress string
-
-func (a LinkAddress) String() string {
-	switch len(a) {
-	case 6:
-		// MAC地址的格式 6位 4bit的十六进制数
-		return fmt.Sprintf("%02x:%02x:%02x:%02x:%02x:%02x", a[0], a[1], a[2], a[3], a[4], a[5])
-	default:
-		return fmt.Sprintf("%x", []byte(a))
-	}
-}
-
-// aa:bb:cc:dd:ee:ff aa-bb-cc-dd-ee-ff
-func ParseMACAddress(s string) (LinkAddress, error) {
-	parts := strings.FieldsFunc(s, func(c rune) bool {
-		return c == ':' || c == '-'
-	})
-
-	log.Println(parts)
-
-	if len(parts) != 6 {
-		return "", fmt.Errorf("inconsistent parts: %s", s)
-	}
-	addr := make([]byte, 0, len(parts))
-	for _, part := range parts {
-		u, err := strconv.ParseUint(part, 16, 8)
-		if err != nil {
-			return "", fmt.Errorf("invalid hex digits: %s", s)
-		}
-		addr = append(addr, byte(u))
-	}
-	return LinkAddress(addr), nil
-
-}
-
-// NetworkProtocolNumber 是网络协议的编号。
-type NetworkProtocolNumber uint32
-
-// TransportProtocolNumber 是传输协议的编号
-type TransportProtocolNumber uint32
-
-type Address string
-
-func (a Address) String() string {
-	return ""
-}
-
-type ProtocolAddr struct {
-	Protocol NetworkProtocolNumber
-	Address  Address
-}
-
-type LinkEndpointID uint64
-
-type Stats struct {
-	UnknowProtocolRcvdPackets *StatCounter
-	MalformedRcvdPackets      *StatCounter
-	DroppedPackets            *StatCounter
-	IP                        IPStats
-	TCP                       TCPStats
-	UDP                       UDPStats
-}
-
-type StatCounter struct {
-	count uint64
-}
-
-type IPStats struct {
-	PacketsReceived        *StatCounter
-	InvalidAddressReceived *StatCounter
-	PacketsDelivered       *StatCounter
-	PacketsSent            *StatCounter
-	OutgoingPacketErrors   *StatCounter
-}
-
-type TCPStats struct {
-	ActiveConnectionOpenings  *StatCounter
-	PassiveConnectionOpenings *StatCounter
-	FailedConnectionAttempts  *StatCounter
-	ValidSegmentReveived      *StatCounter
-	InvalidSegmentReveived    *StatCounter
-
-	SegmentsSents  *StatCounter
-	ResetsSent     *StatCounter
-	ResetsReceived *StatCounter
-}
-
-type UDPStats struct {
-	PacketReceived           *StatCounter
-	UnknownPortErrors        *StatCounter
-	ReceiveBufferErrors      *StatCounter
-	MalformedPacketsReceived *StatCounter
-	PacketsSent              *StatCounter
-}
-
-// FullAddress 表示完整的传输节点地址，这是 Connect() 和 Bind() 方法所要求的
-type FullAddress struct {
-	NIC  NICID   // NIC 是这个地址所指的 NIC 的 ID
-	Addr Address // 网络地址
-	Port uint16  // 传输层端口
-}
-
-type NICID int32
-
-// Route 是路由表中的一行。它指定应通过哪些 NIC（和网关）组路由数据包。
-// 如果屏蔽的目标地址与行中的目标地址匹配，则该行被认为是可行的
-type Route struct {
-	Destination Address
-	// 掩码指定目标地址和目标地址的哪些位必须匹配才能使该行可行
-	Mask    AddressMask
-	Gateway Address
-	NIC     NICID
-}
-
-type AddressMask string
-
-func (a AddressMask) String() string {
-	return Address(a).String()
-}
-
-type Subnet struct {
-	address Address
-	mask    AddressMask
-}
-
-// 提供现在时刻的接口
-type Clock interface {
-	NowNanoseconds() int64
-	NowMonoseconds() int64
-}