TCP_INFO_v2

構造体

サイズx64: 152 バイト / x86: 152 バイト

サイズ=各フィールドのバイト数(x64/x86 で異なる場合は x64/x86 と併記)。x64/x86 列=フィールドのバイトオフセット(HSPで dupptr / lpoke / wpoke 等に使用)。

フィールド

フィールド	型	サイズ	x64	x86	説明
State	TCPSTATE	4	+0	+0	TCP接続の状態を示すTCPSTATE列挙値。CLOSEDやESTABLISHED等を表す。
Mss	DWORD	4	+4	+4	この接続で使用中の最大セグメントサイズをバイト単位で示す。
ConnectionTimeMs	ULONGLONG	8	+8	+8	接続確立からの経過時間をミリ秒単位で示す。
TimestampsEnabled	BOOLEAN	1	+16	+16	TCPタイムスタンプオプションが有効かを示す真偽値。TRUEで有効。
RttUs	DWORD	4	+20	+20	現在の往復遅延時間(RTT)をマイクロ秒単位で示す。
MinRttUs	DWORD	4	+24	+24	観測された最小往復遅延時間をマイクロ秒単位で示す。
BytesInFlight	DWORD	4	+28	+28	未確認(在飛行中)の送信済みバイト数を示す。
Cwnd	DWORD	4	+32	+32	現在の輻輳ウィンドウサイズをバイト単位で示す。
SndWnd	DWORD	4	+36	+36	送信ウィンドウサイズをバイト単位で示す。
RcvWnd	DWORD	4	+40	+40	受信ウィンドウサイズをバイト単位で示す。
RcvBuf	DWORD	4	+44	+44	受信バッファのサイズをバイト単位で示す。
BytesOut	ULONGLONG	8	+48	+48	この接続で送信した総バイト数を示す。
BytesIn	ULONGLONG	8	+56	+56	この接続で受信した総バイト数を示す。
BytesReordered	DWORD	4	+64	+64	順序が入れ替わって受信したバイト数を示す。
BytesRetrans	DWORD	4	+68	+68	再送した総バイト数を示す。
FastRetrans	DWORD	4	+72	+72	高速再送が発生した回数を示す。
DupAcksIn	DWORD	4	+76	+76	受信した重複ACKの数を示す。
TimeoutEpisodes	DWORD	4	+80	+80	再送タイムアウトが発生したエピソード数を示す。
SynRetrans	BYTE	1	+84	+84	SYNセグメントの再送回数を示す。
SndLimTransRwin	DWORD	4	+88	+88	受信ウィンドウにより送信が制限された遷移回数を示す。
SndLimTimeRwin	DWORD	4	+92	+92	受信ウィンドウにより送信が制限された累積時間を示す。
SndLimBytesRwin	ULONGLONG	8	+96	+96	受信ウィンドウにより送信が制限された期間のバイト数を示す。
SndLimTransCwnd	DWORD	4	+104	+104	輻輳ウィンドウにより送信が制限された遷移回数を示す。
SndLimTimeCwnd	DWORD	4	+108	+108	輻輳ウィンドウにより送信が制限された累積時間を示す。
SndLimBytesCwnd	ULONGLONG	8	+112	+112	輻輳ウィンドウにより送信が制限された期間のバイト数を示す。
SndLimTransSnd	DWORD	4	+120	+120	送信側アプリのデータ供給不足で送信が制限された遷移回数を示す。
SndLimTimeSnd	DWORD	4	+124	+124	送信側アプリのデータ供給不足で送信が制限された累積時間を示す。
SndLimBytesSnd	ULONGLONG	8	+128	+128	送信側アプリのデータ供給不足で制限された期間のバイト数を示す。
OutOfOrderPktsIn	DWORD	4	+136	+136	順序外で受信したパケット数を示す。
EcnNegotiated	BOOLEAN	1	+140	+140	ECN(明示的輻輳通知)が接続で合意されたかを示す真偽値。
EceAcksIn	DWORD	4	+144	+144	ECEフラグ付きで受信したACK数を示す。輻輳経験の通知を表す。
PtoEpisodes	DWORD	4	+148	+148	PTO(プローブタイムアウト)が発生したエピソード数を示す。

各言語での定義

#include <windows.h>

// TCP_INFO_v2  (x64 152 / x86 152 バイト)
typedef struct TCP_INFO_v2 {
    TCPSTATE State;
    DWORD Mss;
    ULONGLONG ConnectionTimeMs;
    BOOLEAN TimestampsEnabled;
    DWORD RttUs;
    DWORD MinRttUs;
    DWORD BytesInFlight;
    DWORD Cwnd;
    DWORD SndWnd;
    DWORD RcvWnd;
    DWORD RcvBuf;
    ULONGLONG BytesOut;
    ULONGLONG BytesIn;
    DWORD BytesReordered;
    DWORD BytesRetrans;
    DWORD FastRetrans;
    DWORD DupAcksIn;
    DWORD TimeoutEpisodes;
    BYTE SynRetrans;
    DWORD SndLimTransRwin;
    DWORD SndLimTimeRwin;
    ULONGLONG SndLimBytesRwin;
    DWORD SndLimTransCwnd;
    DWORD SndLimTimeCwnd;
    ULONGLONG SndLimBytesCwnd;
    DWORD SndLimTransSnd;
    DWORD SndLimTimeSnd;
    ULONGLONG SndLimBytesSnd;
    DWORD OutOfOrderPktsIn;
    BOOLEAN EcnNegotiated;
    DWORD EceAcksIn;
    DWORD PtoEpisodes;
} TCP_INFO_v2;

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct TCP_INFO_v2
{
    public int State;
    public uint Mss;
    public ulong ConnectionTimeMs;
    [MarshalAs(UnmanagedType.U1)] public bool TimestampsEnabled;
    public uint RttUs;
    public uint MinRttUs;
    public uint BytesInFlight;
    public uint Cwnd;
    public uint SndWnd;
    public uint RcvWnd;
    public uint RcvBuf;
    public ulong BytesOut;
    public ulong BytesIn;
    public uint BytesReordered;
    public uint BytesRetrans;
    public uint FastRetrans;
    public uint DupAcksIn;
    public uint TimeoutEpisodes;
    public byte SynRetrans;
    public uint SndLimTransRwin;
    public uint SndLimTimeRwin;
    public ulong SndLimBytesRwin;
    public uint SndLimTransCwnd;
    public uint SndLimTimeCwnd;
    public ulong SndLimBytesCwnd;
    public uint SndLimTransSnd;
    public uint SndLimTimeSnd;
    public ulong SndLimBytesSnd;
    public uint OutOfOrderPktsIn;
    [MarshalAs(UnmanagedType.U1)] public bool EcnNegotiated;
    public uint EceAcksIn;
    public uint PtoEpisodes;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure TCP_INFO_v2
    Public State As Integer
    Public Mss As UInteger
    Public ConnectionTimeMs As ULong
    <MarshalAs(UnmanagedType.U1)> Public TimestampsEnabled As Boolean
    Public RttUs As UInteger
    Public MinRttUs As UInteger
    Public BytesInFlight As UInteger
    Public Cwnd As UInteger
    Public SndWnd As UInteger
    Public RcvWnd As UInteger
    Public RcvBuf As UInteger
    Public BytesOut As ULong
    Public BytesIn As ULong
    Public BytesReordered As UInteger
    Public BytesRetrans As UInteger
    Public FastRetrans As UInteger
    Public DupAcksIn As UInteger
    Public TimeoutEpisodes As UInteger
    Public SynRetrans As Byte
    Public SndLimTransRwin As UInteger
    Public SndLimTimeRwin As UInteger
    Public SndLimBytesRwin As ULong
    Public SndLimTransCwnd As UInteger
    Public SndLimTimeCwnd As UInteger
    Public SndLimBytesCwnd As ULong
    Public SndLimTransSnd As UInteger
    Public SndLimTimeSnd As UInteger
    Public SndLimBytesSnd As ULong
    Public OutOfOrderPktsIn As UInteger
    <MarshalAs(UnmanagedType.U1)> Public EcnNegotiated As Boolean
    Public EceAcksIn As UInteger
    Public PtoEpisodes As UInteger
End Structure

import ctypes
from ctypes import wintypes

class TCP_INFO_v2(ctypes.Structure):
    _fields_ = [
        ("State", ctypes.c_int),
        ("Mss", wintypes.DWORD),
        ("ConnectionTimeMs", ctypes.c_ulonglong),
        ("TimestampsEnabled", ctypes.c_byte),
        ("RttUs", wintypes.DWORD),
        ("MinRttUs", wintypes.DWORD),
        ("BytesInFlight", wintypes.DWORD),
        ("Cwnd", wintypes.DWORD),
        ("SndWnd", wintypes.DWORD),
        ("RcvWnd", wintypes.DWORD),
        ("RcvBuf", wintypes.DWORD),
        ("BytesOut", ctypes.c_ulonglong),
        ("BytesIn", ctypes.c_ulonglong),
        ("BytesReordered", wintypes.DWORD),
        ("BytesRetrans", wintypes.DWORD),
        ("FastRetrans", wintypes.DWORD),
        ("DupAcksIn", wintypes.DWORD),
        ("TimeoutEpisodes", wintypes.DWORD),
        ("SynRetrans", ctypes.c_ubyte),
        ("SndLimTransRwin", wintypes.DWORD),
        ("SndLimTimeRwin", wintypes.DWORD),
        ("SndLimBytesRwin", ctypes.c_ulonglong),
        ("SndLimTransCwnd", wintypes.DWORD),
        ("SndLimTimeCwnd", wintypes.DWORD),
        ("SndLimBytesCwnd", ctypes.c_ulonglong),
        ("SndLimTransSnd", wintypes.DWORD),
        ("SndLimTimeSnd", wintypes.DWORD),
        ("SndLimBytesSnd", ctypes.c_ulonglong),
        ("OutOfOrderPktsIn", wintypes.DWORD),
        ("EcnNegotiated", ctypes.c_byte),
        ("EceAcksIn", wintypes.DWORD),
        ("PtoEpisodes", wintypes.DWORD),
    ]

#[repr(C)]
pub struct TCP_INFO_v2 {
    pub State: i32,
    pub Mss: u32,
    pub ConnectionTimeMs: u64,
    pub TimestampsEnabled: u8,
    pub RttUs: u32,
    pub MinRttUs: u32,
    pub BytesInFlight: u32,
    pub Cwnd: u32,
    pub SndWnd: u32,
    pub RcvWnd: u32,
    pub RcvBuf: u32,
    pub BytesOut: u64,
    pub BytesIn: u64,
    pub BytesReordered: u32,
    pub BytesRetrans: u32,
    pub FastRetrans: u32,
    pub DupAcksIn: u32,
    pub TimeoutEpisodes: u32,
    pub SynRetrans: u8,
    pub SndLimTransRwin: u32,
    pub SndLimTimeRwin: u32,
    pub SndLimBytesRwin: u64,
    pub SndLimTransCwnd: u32,
    pub SndLimTimeCwnd: u32,
    pub SndLimBytesCwnd: u64,
    pub SndLimTransSnd: u32,
    pub SndLimTimeSnd: u32,
    pub SndLimBytesSnd: u64,
    pub OutOfOrderPktsIn: u32,
    pub EcnNegotiated: u8,
    pub EceAcksIn: u32,
    pub PtoEpisodes: u32,
}

import "golang.org/x/sys/windows"

type TCP_INFO_v2 struct {
	State int32
	Mss uint32
	ConnectionTimeMs uint64
	TimestampsEnabled byte
	RttUs uint32
	MinRttUs uint32
	BytesInFlight uint32
	Cwnd uint32
	SndWnd uint32
	RcvWnd uint32
	RcvBuf uint32
	BytesOut uint64
	BytesIn uint64
	BytesReordered uint32
	BytesRetrans uint32
	FastRetrans uint32
	DupAcksIn uint32
	TimeoutEpisodes uint32
	SynRetrans byte
	SndLimTransRwin uint32
	SndLimTimeRwin uint32
	SndLimBytesRwin uint64
	SndLimTransCwnd uint32
	SndLimTimeCwnd uint32
	SndLimBytesCwnd uint64
	SndLimTransSnd uint32
	SndLimTimeSnd uint32
	SndLimBytesSnd uint64
	OutOfOrderPktsIn uint32
	EcnNegotiated byte
	EceAcksIn uint32
	PtoEpisodes uint32
}

type
  TCP_INFO_v2 = record
    State: Integer;
    Mss: DWORD;
    ConnectionTimeMs: UInt64;
    TimestampsEnabled: ByteBool;
    RttUs: DWORD;
    MinRttUs: DWORD;
    BytesInFlight: DWORD;
    Cwnd: DWORD;
    SndWnd: DWORD;
    RcvWnd: DWORD;
    RcvBuf: DWORD;
    BytesOut: UInt64;
    BytesIn: UInt64;
    BytesReordered: DWORD;
    BytesRetrans: DWORD;
    FastRetrans: DWORD;
    DupAcksIn: DWORD;
    TimeoutEpisodes: DWORD;
    SynRetrans: Byte;
    SndLimTransRwin: DWORD;
    SndLimTimeRwin: DWORD;
    SndLimBytesRwin: UInt64;
    SndLimTransCwnd: DWORD;
    SndLimTimeCwnd: DWORD;
    SndLimBytesCwnd: UInt64;
    SndLimTransSnd: DWORD;
    SndLimTimeSnd: DWORD;
    SndLimBytesSnd: UInt64;
    OutOfOrderPktsIn: DWORD;
    EcnNegotiated: ByteBool;
    EceAcksIn: DWORD;
    PtoEpisodes: DWORD;
  end;

const TCP_INFO_v2 = extern struct {
    State: i32,
    Mss: u32,
    ConnectionTimeMs: u64,
    TimestampsEnabled: u8,
    RttUs: u32,
    MinRttUs: u32,
    BytesInFlight: u32,
    Cwnd: u32,
    SndWnd: u32,
    RcvWnd: u32,
    RcvBuf: u32,
    BytesOut: u64,
    BytesIn: u64,
    BytesReordered: u32,
    BytesRetrans: u32,
    FastRetrans: u32,
    DupAcksIn: u32,
    TimeoutEpisodes: u32,
    SynRetrans: u8,
    SndLimTransRwin: u32,
    SndLimTimeRwin: u32,
    SndLimBytesRwin: u64,
    SndLimTransCwnd: u32,
    SndLimTimeCwnd: u32,
    SndLimBytesCwnd: u64,
    SndLimTransSnd: u32,
    SndLimTimeSnd: u32,
    SndLimBytesSnd: u64,
    OutOfOrderPktsIn: u32,
    EcnNegotiated: u8,
    EceAcksIn: u32,
    PtoEpisodes: u32,
};

type
  TCP_INFO_v2 {.bycopy.} = object
    State: int32
    Mss: uint32
    ConnectionTimeMs: uint64
    TimestampsEnabled: uint8
    RttUs: uint32
    MinRttUs: uint32
    BytesInFlight: uint32
    Cwnd: uint32
    SndWnd: uint32
    RcvWnd: uint32
    RcvBuf: uint32
    BytesOut: uint64
    BytesIn: uint64
    BytesReordered: uint32
    BytesRetrans: uint32
    FastRetrans: uint32
    DupAcksIn: uint32
    TimeoutEpisodes: uint32
    SynRetrans: uint8
    SndLimTransRwin: uint32
    SndLimTimeRwin: uint32
    SndLimBytesRwin: uint64
    SndLimTransCwnd: uint32
    SndLimTimeCwnd: uint32
    SndLimBytesCwnd: uint64
    SndLimTransSnd: uint32
    SndLimTimeSnd: uint32
    SndLimBytesSnd: uint64
    OutOfOrderPktsIn: uint32
    EcnNegotiated: uint8
    EceAcksIn: uint32
    PtoEpisodes: uint32

struct TCP_INFO_v2
{
    int State;
    uint Mss;
    ulong ConnectionTimeMs;
    ubyte TimestampsEnabled;
    uint RttUs;
    uint MinRttUs;
    uint BytesInFlight;
    uint Cwnd;
    uint SndWnd;
    uint RcvWnd;
    uint RcvBuf;
    ulong BytesOut;
    ulong BytesIn;
    uint BytesReordered;
    uint BytesRetrans;
    uint FastRetrans;
    uint DupAcksIn;
    uint TimeoutEpisodes;
    ubyte SynRetrans;
    uint SndLimTransRwin;
    uint SndLimTimeRwin;
    ulong SndLimBytesRwin;
    uint SndLimTransCwnd;
    uint SndLimTimeCwnd;
    ulong SndLimBytesCwnd;
    uint SndLimTransSnd;
    uint SndLimTimeSnd;
    ulong SndLimBytesSnd;
    uint OutOfOrderPktsIn;
    ubyte EcnNegotiated;
    uint EceAcksIn;
    uint PtoEpisodes;
}

HSP用定義

HSP3.7/3.8 は構造体機能が無いため4byte整数配列(dim)+peek/poke で操作(32/64bitでサイズ・位置が異なる場合はタブで分割)。IronHSP は NSTRUCT(#defstruct/stdim/->)で32/64bit共通。

; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x64 レイアウト)
; TCP_INFO_v2 サイズ: 152 バイト(x64)
dim st, 38    ; 4byte整数×38(構造体サイズ 152 / 4 切り上げ)
; State : TCPSTATE (+0, 4byte)  st.0 = 値  /  値 = st.0   (lpoke/lpeek も可)
; Mss : DWORD (+4, 4byte)  st.1 = 値  /  値 = st.1   (lpoke/lpeek も可)
; ConnectionTimeMs : ULONGLONG (+8, 8byte)  qpoke st,8,値 / qpeek(st,8)  ※IronHSPのみ。3.7/3.8は lpoke st,8,下位 : lpoke st,12,上位
; TimestampsEnabled : BOOLEAN (+16, 1byte)  poke st,16,値  /  値 = peek(st,16)
; RttUs : DWORD (+20, 4byte)  st.5 = 値  /  値 = st.5   (lpoke/lpeek も可)
; MinRttUs : DWORD (+24, 4byte)  st.6 = 値  /  値 = st.6   (lpoke/lpeek も可)
; BytesInFlight : DWORD (+28, 4byte)  st.7 = 値  /  値 = st.7   (lpoke/lpeek も可)
; Cwnd : DWORD (+32, 4byte)  st.8 = 値  /  値 = st.8   (lpoke/lpeek も可)
; SndWnd : DWORD (+36, 4byte)  st.9 = 値  /  値 = st.9   (lpoke/lpeek も可)
; RcvWnd : DWORD (+40, 4byte)  st.10 = 値  /  値 = st.10   (lpoke/lpeek も可)
; RcvBuf : DWORD (+44, 4byte)  st.11 = 値  /  値 = st.11   (lpoke/lpeek も可)
; BytesOut : ULONGLONG (+48, 8byte)  qpoke st,48,値 / qpeek(st,48)  ※IronHSPのみ。3.7/3.8は lpoke st,48,下位 : lpoke st,52,上位
; BytesIn : ULONGLONG (+56, 8byte)  qpoke st,56,値 / qpeek(st,56)  ※IronHSPのみ。3.7/3.8は lpoke st,56,下位 : lpoke st,60,上位
; BytesReordered : DWORD (+64, 4byte)  st.16 = 値  /  値 = st.16   (lpoke/lpeek も可)
; BytesRetrans : DWORD (+68, 4byte)  st.17 = 値  /  値 = st.17   (lpoke/lpeek も可)
; FastRetrans : DWORD (+72, 4byte)  st.18 = 値  /  値 = st.18   (lpoke/lpeek も可)
; DupAcksIn : DWORD (+76, 4byte)  st.19 = 値  /  値 = st.19   (lpoke/lpeek も可)
; TimeoutEpisodes : DWORD (+80, 4byte)  st.20 = 値  /  値 = st.20   (lpoke/lpeek も可)
; SynRetrans : BYTE (+84, 1byte)  poke st,84,値  /  値 = peek(st,84)
; SndLimTransRwin : DWORD (+88, 4byte)  st.22 = 値  /  値 = st.22   (lpoke/lpeek も可)
; SndLimTimeRwin : DWORD (+92, 4byte)  st.23 = 値  /  値 = st.23   (lpoke/lpeek も可)
; SndLimBytesRwin : ULONGLONG (+96, 8byte)  qpoke st,96,値 / qpeek(st,96)  ※IronHSPのみ。3.7/3.8は lpoke st,96,下位 : lpoke st,100,上位
; SndLimTransCwnd : DWORD (+104, 4byte)  st.26 = 値  /  値 = st.26   (lpoke/lpeek も可)
; SndLimTimeCwnd : DWORD (+108, 4byte)  st.27 = 値  /  値 = st.27   (lpoke/lpeek も可)
; SndLimBytesCwnd : ULONGLONG (+112, 8byte)  qpoke st,112,値 / qpeek(st,112)  ※IronHSPのみ。3.7/3.8は lpoke st,112,下位 : lpoke st,116,上位
; SndLimTransSnd : DWORD (+120, 4byte)  st.30 = 値  /  値 = st.30   (lpoke/lpeek も可)
; SndLimTimeSnd : DWORD (+124, 4byte)  st.31 = 値  /  値 = st.31   (lpoke/lpeek も可)
; SndLimBytesSnd : ULONGLONG (+128, 8byte)  qpoke st,128,値 / qpeek(st,128)  ※IronHSPのみ。3.7/3.8は lpoke st,128,下位 : lpoke st,132,上位
; OutOfOrderPktsIn : DWORD (+136, 4byte)  st.34 = 値  /  値 = st.34   (lpoke/lpeek も可)
; EcnNegotiated : BOOLEAN (+140, 1byte)  poke st,140,値  /  値 = peek(st,140)
; EceAcksIn : DWORD (+144, 4byte)  st.36 = 値  /  値 = st.36   (lpoke/lpeek も可)
; PtoEpisodes : DWORD (+148, 4byte)  st.37 = 値  /  値 = st.37   (lpoke/lpeek も可)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。

; IronHSP は NSTRUCT(構造体)をサポート。32bit/64bit どちらでも同じコードで動作します。
#defstruct global TCP_INFO_v2
    #field int State
    #field int Mss
    #field int64 ConnectionTimeMs
    #field bool1 TimestampsEnabled
    #field int RttUs
    #field int MinRttUs
    #field int BytesInFlight
    #field int Cwnd
    #field int SndWnd
    #field int RcvWnd
    #field int RcvBuf
    #field int64 BytesOut
    #field int64 BytesIn
    #field int BytesReordered
    #field int BytesRetrans
    #field int FastRetrans
    #field int DupAcksIn
    #field int TimeoutEpisodes
    #field byte SynRetrans
    #field int SndLimTransRwin
    #field int SndLimTimeRwin
    #field int64 SndLimBytesRwin
    #field int SndLimTransCwnd
    #field int SndLimTimeCwnd
    #field int64 SndLimBytesCwnd
    #field int SndLimTransSnd
    #field int SndLimTimeSnd
    #field int64 SndLimBytesSnd
    #field int OutOfOrderPktsIn
    #field bool1 EcnNegotiated
    #field int EceAcksIn
    #field int PtoEpisodes
#endstruct

stdim st, TCP_INFO_v2        ; NSTRUCT 変数を確保
st->State = 100
mes "State=" + st->State

TCP_INFO_v2

フィールド

各言語での定義

HSP用 定義

HSP用定義