send_mocap_packets.py 文件源码

def make_data_sender_socket(ip_address=None):
    """Create a socket for sending multicast data."""
    ip_address = gethostip() if not ip_address else ip_address
    datasock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, 0)
    datasock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
    datasock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    datasock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 20)

    # print("Binding source socket to %s" % ip_address)
    datasock.bind((ip_address, 0))
    return datasock