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|
//! Error types used in by `arti-rpcserver`].
/// An error encountered while parsing an RPC request.
#[derive(Clone, Debug, thiserror::Error, serde::Serialize)]
pub(crate) enum RequestParseError {
/// The provided object was not well-formed json.
#[error("Error in json syntax.")]
InvalidJson,
/// Received something that was json, but not a json object.
#[error("Received something other than a json object.")]
NotAnObject,
/// The `id` field was missing.
#[error("Request did not have any `id` field.")]
IdMissing,
/// The `id` field did not have the expected type (integer or string).
#[error("Request's `id` field was not an integer or a string.")]
IdType,
/// The `obj` field was missing.
#[error("Request did not have any `obj` field.")]
ObjMissing,
/// The `method` field did not have the expected type (string).
#[error("Request's `obj` field was not a string.")]
ObjType,
/// The `method` field was missing.
#[error("Request had no `method` field.")]
MethodMissing,
/// The `method` field did not have the expected type (string).
#[error("Request's `method` field was not a string.")]
MethodType,
/// The `meta` field was present, but it could not be parsed.
///
/// Maybe it was not a json object; maybe it had a field of the wrong type.
#[error("Request's `meta` field was not valid.")]
MetaType,
/// The `method` field was not the name of any recognized method.
#[error("Request's `method` field was unrecognized")]
MethodUnrecognized,
/// The parameters were of the wrong type for the method.
#[error("Parameter types incorrect for specified method")]
ParamType,
/// The `params` field was missing.
#[error("Request's `params` field was missing.")]
MissingParams,
}
impl tor_error::HasKind for RequestParseError {
fn kind(&self) -> tor_error::ErrorKind {
use tor_error::ErrorKind as EK;
match self {
Self::InvalidJson
| Self::NotAnObject
| Self::IdMissing
| Self::IdType
| Self::ObjMissing
| Self::ObjType
| Self::MethodMissing
| Self::MethodType
| Self::MetaType
| Self::MissingParams => EK::RpcInvalidRequest,
Self::MethodUnrecognized => EK::RpcMethodNotFound,
Self::ParamType => EK::RpcInvalidMethodParameters,
}
}
}
|
