Source code for nemo_deploy.ray_utils

# Copyright (c) 2025, NVIDIA CORPORATION.  All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import socket




def is_port_in_use(port: int, host: str = "0.0.0.0") -> bool:
    """Check if a given port is already in use.

    Args:
        port (int): The port number to check.

    Returns:
        bool: True if the port is in use, False otherwise.
    """
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        try:
            s.bind((host, port))
            return False
        except socket.error:
            return True





def find_available_port(start_port: int, host: str = "0.0.0.0") -> int:
    """Find the next available port starting from a given port number.

    Args:
        start_port (int): The port number to start checking from.

    Returns:
        int: The first available port number found.
    """
    port = start_port
    while is_port_in_use(port, host):
        port += 1
    return port