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feat(backend): simplify Rust callback

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This commit is contained in:
Morgan Funtowicz 2024-11-13 00:22:11 +01:00
parent daf1631e09
commit 57b215467b
1 changed files with 10 additions and 17 deletions
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25
backends/llamacpp/src/backend.rs
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@ -134,23 +134,18 @@ fn llama_generate_callback(
// Append the new token to the generated ones // Append the new token to the generated ones
ctx.generation.generated_tokens.push(new_token_id); ctx.generation.generated_tokens.push(new_token_id);
// Decode token // Generate response
let token = match ctx.tokenizer.decode(&[new_token_id], false) { let response = match ctx.tokenizer.decode(&[new_token_id], false) {
Ok(text) => { Ok(text) => {
let special = ctx.tokenizer.get_added_vocabulary().is_special_token(&text); let special = ctx.tokenizer.get_added_vocabulary().is_special_token(&text);
Ok(Token { let token = Token {
id: new_token_id, id: new_token_id,
text, text,
logprob: new_token_logit, logprob: new_token_logit,
special, special,
})
}
Err(ref err) => Err(InferError::GenerationError(err.to_string())),
}; };
// Create the streamed response // Should we generate an ending or intermediate response?
let response = match token {
Ok(token) => {
match is_final { match is_final {
false => Ok(InferStreamResponse::Intermediate { false => Ok(InferStreamResponse::Intermediate {
token, token,
@ -179,16 +174,14 @@ fn llama_generate_callback(
} }
} }
} }
Err(err) => Err(err), Err(ref err) => Err(InferError::GenerationError(err.to_string())),
}; };
// Send back to the client // Send back to the client
if let Err(ref _err) = ctx.stream.send(response) { let status = ctx.stream.send(response).inspect_err(|err| {
error!("Failed to send back the response to the client, cancelling request"); error!("Failed to send back the response: {}", err);
true });
} else { status.is_err()
false
}
} }
fn scheduler_loop( fn scheduler_loop(