/* -*- P4_16 -*- */
#include <core.p4>
#include <v1model.p4>

#include "headers.p4"
#include "parsers.p4"

control MyIngress(inout headers hdr,
    inout metadata meta,
    inout standard_metadata_t standard_metadata) {

	/********************** APPLYING TABLES ***********************************/
    apply {
        if(hdr.tcp.isValid()) {
            /* test wrap around */
            hdr.tcp.checksum = 0xffff;
            hdr.tcp.checksum = checksum + 2;
        }
        standard_metadata.egress_spec = 1;
    }
}

control MyEgress(inout headers hdr,
                 inout metadata meta,
                 inout standard_metadata_t standard_metadata) {
	apply {
	}
}

control MyVerifyChecksum(inout headers hdr, inout metadata meta) {
    apply {}
}


control MyComputeChecksum(inout headers  hdr, inout metadata meta) {
    apply {}
}

/*************************************************************************
***********************  S W I T C H  *******************************
*************************************************************************/

V1Switch(
    MyParser(),
    MyVerifyChecksum(),
    MyIngress(),
    MyEgress(),
    MyComputeChecksum(),
    MyDeparser()
) main;