rusty_tip/
error.rs

1use thiserror::Error;
2
3#[derive(Error, Debug)]
4pub enum NanonisError {
5    /// IO error with context
6    #[error("IO error: {context}")]
7    Io {
8        #[source]
9        source: std::io::Error,
10        context: String,
11    },
12
13    #[error("Connection timeout")]
14    Timeout,
15
16    #[error("Protocol error: {0}")]
17    Protocol(String),
18
19    #[error("Type error: {0}")]
20    Type(String),
21
22    #[error("Command mismatch: expected {expected}, got {actual}")]
23    CommandMismatch { expected: String, actual: String },
24
25    #[error("Invalid command: {0}")]
26    InvalidCommand(String),
27
28    #[error("Invalid response: {0}")]
29    InvalidResponse(String),
30
31    /// Server explicitly returned an error
32    #[error("Nanonis server error: {message} (code: {code})")]
33    ServerError { code: i32, message: String },
34
35    /// Command was rejected (convenience wrapper for common case)
36    #[error("Command rejected: {0}")]
37    CommandRejected(String),
38
39    #[error("Invalid address: {0}")]
40    InvalidAddress(String),
41
42    #[error("Serialization error: {0}")]
43    SerializationError(String),
44}
45
46impl NanonisError {
47    /// Check if this is a server-side rejection
48    pub fn is_server_error(&self) -> bool {
49        matches!(
50            self,
51            NanonisError::ServerError { .. } | NanonisError::CommandRejected(_)
52        )
53    }
54
55    /// Get error code if this is a server error
56    pub fn error_code(&self) -> Option<i32> {
57        match self {
58            NanonisError::ServerError { code, .. } => Some(*code),
59            _ => None,
60        }
61    }
62}
63
64// Maintain backward compatibility with simple IO errors
65impl From<std::io::Error> for NanonisError {
66    fn from(error: std::io::Error) -> Self {
67        NanonisError::Io {
68            source: error,
69            context: "IO operation failed".to_string(),
70        }
71    }
72}
73
74impl From<serde_json::Error> for NanonisError {
75    fn from(error: serde_json::Error) -> Self {
76        NanonisError::SerializationError(error.to_string())
77    }
78}
rusty_tip/error.rs

rusty_tip/
error.rs
