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vllm.v1.core.sched.utils

check_stop 

check_stop(request: Request, max_model_len: int) -> bool
Source code in vllm/v1/core/sched/utils.py 
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def check_stop(request: Request, max_model_len: int) -> bool:
    if (request.num_tokens >= max_model_len
            or request.num_output_tokens >= request.max_tokens):
        request.status = RequestStatus.FINISHED_LENGTH_CAPPED
        return True

    sampling_params = request.sampling_params
    last_token_id = request.output_token_ids[-1]
    if (not sampling_params.ignore_eos
            and last_token_id == request.eos_token_id):
        request.status = RequestStatus.FINISHED_STOPPED
        return True

    if last_token_id in (sampling_params.stop_token_ids or ()):
        request.status = RequestStatus.FINISHED_STOPPED
        request.stop_reason = last_token_id
        return True
    return False