require<\/span> 'socket'<\/span><\/div>require<\/span> 'timeout'<\/span><\/div> <\/div>
class<\/span> CustomSocket<\/span> <<\/span> Socket<\/span> <\/div> def<\/span> initialize<\/span><\/div> super<\/span>(<\/span>AF_INET<\/span>,<\/span> SOCK_STREAM<\/span>,<\/span> 0<\/span>)<\/span><\/div> setsockopt<\/span>(<\/span>SOL_SOCKET<\/span>,<\/span> SO_REUSEADDR<\/span>,<\/span> 1<\/span>)<\/span><\/div> if<\/span> defined?<\/span>(<\/span>SO_REUSEPORT<\/span>)<\/span><\/div> setsockopt<\/span>(<\/span>SOL_SOCKET<\/span>,<\/span> SO_REUSEPORT<\/span>,<\/span> 1<\/span>)<\/span><\/div> end<\/span><\/div> end<\/span><\/div> <\/div>
def<\/span> bind<\/span>(<\/span>port<\/span> =<\/span> 0<\/span>)<\/span><\/div> addr_local<\/span> =<\/span> Socket<\/span>.<\/span>pack_sockaddr_in<\/span>(<\/span>port<\/span>,<\/span> '0.0.0.0'<\/span>)<\/span><\/div> super<\/span>(<\/span>addr_local<\/span>)<\/span><\/div> end<\/span><\/div> <\/div>
def<\/span> connect<\/span>(<\/span>ip<\/span>,<\/span> port<\/span>)<\/span><\/div> addr_remote<\/span> =<\/span> Socket<\/span>.<\/span>pack_sockaddr_in<\/span>(<\/span>port<\/span>,<\/span> ip<\/span>)<\/span><\/div> super<\/span>(<\/span>addr_remote<\/span>)<\/span><\/div> end<\/span><\/div> <\/div>
def<\/span> accept<\/span><\/div> super<\/span>[<\/span>0<\/span>]<\/span><\/div> end<\/span><\/div> <\/div>
def<\/span> addr<\/span><\/div> Socket<\/span>.<\/span>unpack_sockaddr_in<\/span>(<\/span>getsockname<\/span>)<\/span><\/div> end<\/span><\/div> <\/div>
def<\/span> local_port<\/span><\/div> addr<\/span>[<\/span>0<\/span>]<\/span><\/div> end<\/span><\/div>end<\/span><\/div><\/pre><\/div>\n \n <\/div>\n\n