public static int main(string[] args) {

    Ppub.CollectionServerRecord.resolve_records("libpeer.pcthingz.com");

    var creds = new Ppub.CollectionMemberCredentials.from_string("PYuKgL7SdQYc2Kf6UGG9pCE58m27qrYnCaM45cnxs64=:JbJ6OoNn2KcGX+Tk5C/hotGZCoHOkTNbadUrlk6aCRs=:tL+557eP7kE6ObAW0b5RjvYyU8Dl3oVTOvYA7LAwSdI9i4qAvtJ1BhzYp/pQYb2kITnybbuqticJozjlyfGzrg==:AJbFO6n/cOuD7kk+wu7DmQ58w6z0G3HsukVmIzxGaUM=");

    var collection_id = new Invercargill.BinaryData.from_base64("y8ibw54A93LDBKbgWm1EJ/WlbOkGX60DK+qp2lBHpjk=");
    
    var upload_file = File.new_for_path(args[1]);
    var file_size = upload_file.query_info("*", FileQueryInfoFlags.NONE).get_size();
    var client = new Pprf.HttpPprfClient("http://localhost:8080/test.php");
    var file_name = upload_file.get_basename();
    
    var collection = client.get_collection(collection_id);
    var member = Pprf.MemberIdentity.get_usable_identities(Invercargill.single(creds), collection).first_or_default();
    if(member == null) {
        print("No usable identity\n");
        return -2;
    }

    print(@"Acting as $(member.name)\n");

    print("Regisering name\n");
    var exists = false;
    try {
        client.register_name(collection_id, file_name, member);
    }
    catch(Pprf.Messages.PprfFailureError.NAME_EXISTS e) {
        print("Name already exists, will overwrite\n");
        exists = true;
    }

    print("Beginning upload\n");
    var file_stream = upload_file.read();
    var flags = exists ? Pprf.Messages.FinaliseUploadFlags.OVERWRITE_DESTINATION : 0;
    client.upload(collection_id, file_stream, file_size, file_name, exists, member, null, flags);

    print("Computing publication signature\n");
    var digest = Pprf.Util.file_checksum(upload_file);
    var publication = new Ppub.CollectionPublication(file_name, new DateTime.now_local(), member.name, creds, digest);

    print("Publishing publication\n");
    client.publish(collection_id, publication, member);
    
    print("Done\n");
    return 0;
}