olsr_parse_service_descriptions.awk

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# formatting details: see "get_olsr_service"
 
BEGIN { OFS = "\t"; }
{
    # example input:
    #   openvpn://192.168.2.191:5101|udp|gw public_host:subaru.opennet-initiative.de upload:293 download:11786   #192.168.2.191
    if ($1 && ($1 ~ /^[^#]/)) {
        # remove trailing " #..." (describing the source of the announcement)
        sub("[[:blank:]]+#.*$", "", $0);
 
        split($0, tokens, "|");
 
        # parse the first part, e.g. "openvpn://192.168.2.191:5101"
        split(tokens[1], url_tokens, ":");
        scheme = url_tokens[1];
        host = substr(url_tokens[2], 3);
        split(url_tokens[3], port_and_path, "/");
        port = port_and_path[1];
        path = "/" port_and_path[2];
 
        protocol = tokens[2];
        details_count = split(tokens[3], service_and_details) - 1;
        service = service_and_details[1];
        if (details_count > 0) {
            details = tokens[3];
            sub("^[^ ]+ ", "", details);
        } else {
            details = "";
        }
 
        if ((scheme == "http") && (port == "8080") && (protocol == "tcp") && ((service == "gw") || (service == "ugw"))) {
            scheme = "openvpn";
            port = "1600";
            protocol = "udp";
            service = "gw";
        }
        print(service, scheme, host, port, protocol, path, details);
    }
}