96 lines
2.5 KiB
Rust
96 lines
2.5 KiB
Rust
use std::fmt;
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use std::io;
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use tokio::sync::oneshot::error::RecvError;
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use crate::msg::ResponseError;
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#[derive(Debug, Clone, PartialEq)]
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pub struct ProtocolError(pub(crate) String);
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impl std::error::Error for ProtocolError {}
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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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fmt::Display::fmt(&self.0, f)
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}
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}
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#[derive(Debug)]
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pub enum ExtractError {
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/// The extracted message was of a different method than expected.
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MethodMismatch(String, String),
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/// Failed to deserialize the message.
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JsonError {
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msg_type: String,
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method: Option<String>,
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error: serde_json::Error,
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},
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/// Server responded with an Error
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ResponseError { error: ResponseError },
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}
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impl std::error::Error for ExtractError {}
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impl fmt::Display for ExtractError {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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match self {
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ExtractError::MethodMismatch(asked, req_method) => {
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write!(
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f,
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"Method mismatch for request, extract for '{}' != request method '{}'",
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asked, req_method
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)
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}
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ExtractError::JsonError {
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msg_type,
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method,
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error,
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} => {
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let method = if let Some(method) = method {
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method.clone()
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} else {
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"None".to_owned()
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};
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write!(f, "Invalid message body\nMessage type: {msg_type}\nMethod: {method}\n error: {error}",)
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}
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ExtractError::ResponseError { error } => {
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write!(f, "Server answered with an error message\n error: {error}",)
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}
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}
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}
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}
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#[derive(Debug)]
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pub enum Error {
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ChannelClosed(RecvError),
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Io(io::Error),
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MissingBinaryPath,
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}
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impl std::error::Error for Error {}
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impl fmt::Display for Error {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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match self {
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Error::ChannelClosed(e) => write!(f, "Channel closed: {}", e),
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Error::Io(e) => write!(f, "IO error: {}", e),
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Error::MissingBinaryPath => write!(f, "Missing binary path"),
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}
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}
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}
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impl From<RecvError> for Error {
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fn from(value: RecvError) -> Self {
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Self::ChannelClosed(value)
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}
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}
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impl From<io::Error> for Error {
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fn from(value: io::Error) -> Self {
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Self::Io(value)
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}
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}
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pub type Result<T> = std::result::Result<T, Error>;
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