DnsPacket class
极简 DNS 报文编解码器 / A minimal DNS wire-format codec.
只覆盖诊断场景需要的部分：构造标准的 A 记录查询，解析响应头与应答段 （支持名称压缩指针、A / AAAA / CNAME 记录）/ Covers only what diagnostics need: building a standard A-record query and parsing the header plus the answer section, including name compression pointers and A / AAAA / CNAME records.
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
encodeQuery(
String domain, {required int id}) → Uint8List - 构造一个 A 记录查询报文 / Builds a standard A-record query message.
-
parse(
Uint8List data) → DnsResponse - 解析 DNS 响应报文 / Parses a DNS response message.
-
randomId(
[Random? random]) → int - 生成一个随机的 DNS 事务 ID / Generates a random DNS transaction id.