Table of Contents
ICMP_ECHO_REPLY structure
语法
成员
Address
Status
RoundTripTime
DataSize
Reserved
Data
Options
备注
要求
IP_OPTION_INFORMATION structure
Ttl
Tos
Flags
OptionsSize
OptionsData
Home Database Mysql Tutorial 自制Ping(2) Structures

自制Ping(2) Structures

Jun 07, 2016 pm 03:42 PM
helper icmp ping self made

IP Helper ICMP相关接口主要用到两个结构,ICMP_ECHO_REPLY和IP_OPTION_INFORMATION ICMP_ECHO_REPLY structure ICMP_ECHO_REPLY 表示IPv4请求的响应信息所返回的数据 语法 typedef struct icmp_echo_reply { IPAddr Address; ULONG Status; ULONG RoundTripT

IP Helper ICMP相关接口主要用到两个结构, ICMP_ECHO_REPLY和IP_OPTION_INFORMATION


ICMP_ECHO_REPLY structure

ICMP_ECHO_REPLY表示IPv4请求的响应信息所返回的数据

语法

typedef struct icmp_echo_reply {
    IPAddr    Address;
    ULONG     Status;
    ULONG     RoundTripTime;
    USHORT    DataSize;
    USHORT    Reserved;
    PVOID     Data;
    struct    ip_option_information    Options;
} ICMP_ECHO_REPLY, *PICMP_ECHO_REPLY;
Copy after login


成员

Address

Type: IPAddr

响应的IPv4地址,IPAddr 格式.

Status

Type: ULONG

请求状态类型为IP_STATUS.可以是下列值, 这些值定义在Ipexport.h:

Value

Meaning

IP_SUCCESS

0

成功

IP_BUF_TOO_SMALL

11001

接受数据的缓存太小

IP_DEST_NET_UNREACHABLE

11002

目标网络无法访问

IP_DEST_HOST_UNREACHABLE

11003

目标主机无法访问

IP_DEST_PROT_UNREACHABLE

11004

目标协议无法访问

IP_DEST_PORT_UNREACHABLE

11005

目标端口无法访问

IP_NO_RESOURCES

11006

可用IP资源不足

IP_BAD_OPTION

11007

指定了一个有问题的IP选项(option)

IP_HW_ERROR

11008

发生硬件错误

IP_PACKET_TOO_BIG

11009

数据报太大

IP_REQ_TIMED_OUT

11010

请求超时

IP_BAD_REQ

11011

有问题的请求

IP_BAD_ROUTE

11012

有问题的路由

IP_TTL_EXPIRED_TRANSIT

11013

传输时生存周期(TTL)过期.

IP_TTL_EXPIRED_REASSEM

11014

分段重组时生存周期(TTL)过期

IP_PARAM_PROBLEM

11015

一个参数有问题

IP_SOURCE_QUENCH

11016

数据报到达太快处理不过来, 并且数据报可能已被丢弃.

IP_OPTION_TOO_BIG

11017

一个IP选项(option)被舍得过大.

IP_BAD_DESTINATION

11018

一个有问题的目的地.

IP_GENERAL_FAILURE

11050

常规错误. 当某些ICMP数据报格式不正确时可能会收到此错误.

 

RoundTripTime

Type: ULONG

往返时间,单位毫秒

DataSize

Type: USHORT

应答数据大小,单位byte

Reserved

Type: USHORT

系统保留.

Data

Type: PVOID

应答数据

Options

Type: structip_option_information

应答数据的IP标头中的IP选项(options),格式为IP_OPTION_INFORMATION . 内涵TTL等信息.

备注

IcmpParseReplies()分析ICMP_ECHO_REPLY得到IPv4 请求的应答数据. 64位平台对应ICMP_ECHO_REPLY32.

对于IPv4,成员Status 的组合方式遵循RFC 792.

GetIpErrorString()用于根据对应于IP_STATUS中的错误状态,检索IP helper失败描述信息

ICMP_ECHO_REPLY结构定义在Ipexport.h在中,Ipexport.h被自动包含在Iphlpapi.h.头文件Ipexport.h不应被直接使用.

要求

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Ipexport.h (include Iphlpapi.h)

 



IP_OPTION_INFORMATION structure

IP_OPTION_INFORMATION结构体存放了IP标头中的配置选项(options)

语法

typedef struct ip_option_information {
    UCHAR    Ttl;
    UCHAR    Tos;
    UCHAR    Flags;
    UCHAR    OptionsSize;
    PUCHAR    OptionsData;
} IP_OPTION_INFORMATION, *PIP_OPTION_INFORMATION;
Copy after login

成员

Ttl

类型UCHAR

IPv4报头中表示生存周期字段.IPv6报头中表示跳数限制(HopLimit)字段

Tos

类型UCHAR

IPv4中表示服务类型字段.该成员目前正被忽略.

Flags

类型UCHAR

标志字段.IPv4中这个标志包含在报头中.IPv6中这个字段表示为选项(options)

对于IPv4,Flags 可以是下列值的组合,它们都定义在Ipexport.h:

Value

Meaning

IP_FLAG_REVERSE

0x01

使IP包添加到源IP路由表头中. 仅适用于Vista及以上版本.

IP_FLAG_DF

0x02

表示IP包不应被分段.

 

OptionsSize

类型UCHAR

IP选项数据大小,单位bytes.

OptionsData

类型PUCHAR

选项(options)数据.

备注

IP_OPTION_INFORMATION表示IP报头中的选项(options).64位平台上,对应IP_OPTION_INFORMATION32.

TTLTOS  Flags对应于IP报头的特定字段.

OptionsData对应于紧随标准IP报头的options.

除了IPv4的源路由选项(options)以外,选项(options)数据必须遵循RFC 791协议在链路中按照指定格式发送.一个IPv4源路由选项(option)应该包含从第一跳到目的地的完整路由.

对于IPv6,选项(options)数据必须遵循RFC 2460协议在链路上按照指定格式发送.

IP_OPTION_INFORMATIONICMP_ECHO_REPLY的一个成员,它在IcmpSendEchoIcmpSendEcho2, Icmp6SendEcho2中都有应用.

该结构体定义在Ipexport.h,Ipexport.h包含在Iphlpapi.h.Ipexport.h头文件不应直接使用.

要求

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Ipexport.h (include Iphlpapi.h)

 


Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
WWE 2K25: How To Unlock Everything In MyRise
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

How to fix Xbox Series S/X download speeds, reduced ping and lag How to fix Xbox Series S/X download speeds, reduced ping and lag Apr 16, 2023 pm 04:49 PM

Xbox consoles have improved dramatically over the years. Over the years, games have evolved with life-like features that gamers can't seem to get enough of. Playing your favorite games on Xbox can be a completely engrossing experience. However, sometimes using these advanced features, we end up with lag or ping issues if the internet speed is not that good. Sometimes we want games to download faster. Today, games like Forza Horizon 5 and Mortal Kombat require over 100GB of RAM. Downloading such games can take a long time if we don't have the right internet settings to help us. Method 1: Pass

What is the reason for the ping request timeout? What is the reason for the ping request timeout? Aug 28, 2023 pm 04:17 PM

The reasons for the ping request timeout include unreachable target host, network congestion, firewall or security settings, and DNS resolution issues. Detailed introduction: 1. The target host is unreachable. The Ping request timeout may mean that the target host cannot be accessed through the network. This may be due to the target host closing the network connection, the network where the target host is located failing, the target host IP address being set incorrectly, etc. ; 2. Network congestion. Ping request timeout may also be caused by network congestion. Network congestion may be due to large amounts of data transmission, network equipment failures, etc.

Why can't I ping the gateway? Why can't ping? Why can't I ping the gateway? Why can't ping? Mar 13, 2024 pm 03:40 PM

The network cannot ping, what's going on? In fact, this is a very common problem. It is mainly divided into two situations: pinging fails on the same network segment and pinging fails on different network segments. Let’s take a look at the details below. There are usually two reasons why the ping command cannot connect to the same network segment: one is an IP address that cannot be pinged in the same network segment, and the other is an IP address that cannot be pinged in a different network segment. These two situations have different solutions. First, let’s discuss the situation where ping fails within the same network segment. 1. Ping fails on the same network segment, and the result is "Unable to access the target host." The destination IP and source IP are on the same network segment, and the ping result is &l

How to solve the error message 'ping is not recognized as an internal or external command or an operable program' How to solve the error message 'ping is not recognized as an internal or external command or an operable program' Feb 22, 2023 pm 04:28 PM

Solution: 1. Click the "Start" button, click "Control Panel" - "System" in the start menu; 2. In the settings interface, click "Advanced System Settings" - "Advanced" - "Environment Variables"; 3. . Check whether there is a Path variable in Administrator's user variables. If you do not see this variable, click "New" and add the variable Path and variable value.

What are the reasons why the IP address cannot be pinged? What are the reasons why the IP address cannot be pinged? Dec 15, 2020 pm 04:37 PM

The reasons why the IP address cannot be pinged are: 1. The other party is shut down or the IP address does not exist; 2. The network segment is different and cannot be found through routing; 3. The firewall filters the ICMP packets sent by ping; 4. The IP address is set incorrectly; 5. Network cable failure; 6. The gateway is not set.

Several simple examples of using the linux ping command Several simple examples of using the linux ping command Jan 09, 2024 am 08:26 AM

I found that there are quite a lot of ping commands under Linux. Here are a few examples: 1. pingwww.baidu.com, the roughest usage. At this time, the host will continue to send ICMPechorequest packets to the destination address until you press Ctrl +c2, ping-Ieth0www.baidu.com or ping-I192.168.8.151www.baidu.com, that is, the -I option can specify the network card that sends the ping packet. -I can be followed by the network card name or the IP address of the network card. 3. Ping-c3www.baidu.com, the -c option can specify how many ICMP packets to send, and you can see the host connection

The ttl value of ping briefly determines the operating system categories. The ttl value of ping briefly determines the operating system categories. May 22, 2023 am 09:04 AM

The type of some operating systems can often be roughly judged by the ttl value of ping. Here is a summary: The TTL field value of the ICMP echo response of UNIX and UNIX-like operating systems is 255. CompaqTru645.0 The TTL field value of the ICMP echo response is 64. The TTL field value of the ICMP echo response of the Microsoft Windows NT/2K operating system is 128. The TTL field value of the ICMP echo response of the Microsoft Windows 95 operating system is 32. Of course, these ttl values ​​can also be changed. Windows series systems can modify the following key values ​​in the registry. Implementation: [HKEY_LOCAL_MACHINE\system\Curren

How to create custom Helper in CakePHP? How to create custom Helper in CakePHP? Jun 04, 2023 pm 06:40 PM

CakePHP is a popular PHP framework that provides many practical tools and features to make developers' work more efficient. One of them is the Helper mechanism, which provides useful functions and methods in view files. In this article, we will explore how to create a custom Helper in CakePHP. 1. Create the Helper class. In CakePHP, Helpers are stored in the 'app/View/Helper' directory. Create a new Hel

See all articles