`ifndef _INOUT_COVERAGE_SV_
    `define _INOUT_COVERAGE_SV_

    class inout_coverage extends uvm_subscriber#(packet);
        `uvm_component_utils(inout_coverage)
        // data or class properties
        packet pkt_cg;
        covergroup inout_addr ;
            coverpoint pkt_cg.sa;
            coverpoint pkt_cg.da;
            cross pkt_cg.sa, pkt_cg.da;
        endgroup : inout_addr
        real cov;

        // initialization
        function new(string name="inout_coverage", uvm_component parent);
            super.new(name, parent);
            pkt_cg = new("pkt_cg");
            inout_addr = new();
        endfunction : new

        function void write(packet t);
            pkt_cg.sa = t.sa;
            pkt_cg.da = t.da;
            inout_addr.sample();
        endfunction: write

        function void extract_phase(uvm_phase phase);
            cov = inout_addr.get_coverage();
        endfunction: extract_phase

        function void report_phase(uvm_phase phase);
            `uvm_info("COVERAGE_INFO", $sformatf("coverage value is %f", cov), UVM_LOW);
        endfunction: report_phase

    endclass : inout_coverage

    
`endif