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use std::str::Utf8Error;
quick_error! {
/// Error parsing DNS packet
#[derive(Debug)]
pub enum Error {
/// Invalid compression pointer not pointing backwards
/// when parsing label
BadPointer {
description("invalid compression pointer not pointing backwards \
when parsing label")
}
/// Packet is smaller than header size
HeaderTooShort {
description("packet is smaller than header size")
}
/// Packet ihas incomplete data
UnexpectedEOF {
description("packet is has incomplete data")
}
/// Wrong (too short or too long) size of RDATA
WrongRdataLength {
description("wrong (too short or too long) size of RDATA")
}
/// Packet has non-zero reserved bits
ReservedBitsAreNonZero {
description("packet has non-zero reserved bits")
}
/// Label in domain name has unknown label format
UnknownLabelFormat {
description("label in domain name has unknown label format")
}
/// Query type code is invalid
InvalidQueryType(code: u16) {
description("query type code is invalid")
display("query type {} is invalid", code)
}
/// Query class code is invalid
InvalidQueryClass(code: u16) {
description("query class code is invalid")
display("query class {} is invalid", code)
}
/// Type code is invalid
InvalidType(code: u16) {
description("type code is invalid")
display("type {} is invalid", code)
}
/// Class code is invalid
InvalidClass(code: u16) {
description("class code is invalid")
display("class {} is invalid", code)
}
/// Invalid characters encountered while reading label
LabelIsNotAscii {
description("invalid characters encountered while reading label")
}
/// Invalid characters encountered while reading TXT
TxtDataIsNotUTF8(error: Utf8Error) {
description("invalid characters encountered while reading TXT")
display("{:?}", error)
}
/// Parser is in the wrong state
WrongState {
description("parser is in the wrong state")
}
/// Additional OPT record found
AdditionalOPT {
description("additional OPT record found")
}
}
}