46 lines
1.6 KiB
Rust
46 lines
1.6 KiB
Rust
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use std::error::Error;
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use std::fmt;
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#[derive(PartialEq, Debug)]
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pub enum ProtocolError {
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EmptyResponse,
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HeaderMissingValueCount,
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HeaderValueCountIncorrectFormat(String),
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MalformedValueReceived(String),
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ValueNotFound(String, Vec<String>),
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CouldNotOpenSocket(String),
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CouldNotDecodeValue,
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CouldNotReadOrWriteSocket(String),
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}
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impl fmt::Display for ProtocolError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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let message = match *self {
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Self::EmptyResponse => "Got an empty response".to_string(),
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Self::HeaderMissingValueCount => "Value count not found in the header".to_string(),
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Self::HeaderValueCountIncorrectFormat(ref val) => {
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format!("String could not be parsed as value count: {}", val)
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}
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Self::MalformedValueReceived(ref val) => {
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format!("Could not parse value as float: {}", val)
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}
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Self::ValueNotFound(ref name, ref values) => format!(
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"Value not found in the received values: {} in [{}]",
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name,
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values.join(", ")
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),
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Self::CouldNotOpenSocket(ref reason) => {
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format!("Could not open unix socket: {}", reason)
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}
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Self::CouldNotDecodeValue => "Could not decode received bytes".to_string(),
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Self::CouldNotReadOrWriteSocket(ref reason) => {
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format!("Could not read or write socket: {}", reason)
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}
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};
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f.write_str(&message)
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}
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}
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impl Error for ProtocolError {}
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