Extend set cluster version example

#include "kinetic/kinetic.h"

#include "command_line_flags.h"

using kinetic::KineticConnectionFactory;

using kinetic::Status;

using kinetic::KineticRecord;

using std::unique_ptr;

int main(int argc, char* argv[]) {

    if (argc != 4) {

        printf("%s: <host> <port> <new cluster version>\n", argv[0]);

        return 1;

    }

    const char* host = argv[1];

    int port = atoi(argv[2]);

    int new_cluster_version = atoi(argv[3]);

    printf("Setting cluster version of %s:%d to %d\n", host, port, new_cluster_version);

    kinetic::ConnectionOptions options;

    options.host = host;

    options.port = port;

    options.user_id = 1;

    options.hmac_key = "asdfasdf";

DEFINE_int64(new_cluster_version, 1, "New cluster version");

    kinetic::KineticConnectionFactory kinetic_connection_factory = kinetic::NewKineticConnectionFactory();

int main(int argc, char* argv[]) {

    printf("Setting cluster version of %s:%" PRId64 " to %" PRId64 "\n", FLAGS_host.c_str(), FLAGS_port, FLAGS_new_cluster_version);

    unique_ptr<kinetic::ConnectionHandle> connection;

    if (!kinetic_connection_factory.NewConnection(options, 5, connection).ok()) {

        printf("Unable to connect\n");

        return 1;

    }

    parse_flags(&argc, &argv, connection);

    if (!(connection->blocking().SetClusterVersion(new_cluster_version).ok())) {

    if (!(connection->blocking().SetClusterVersion(FLAGS_new_cluster_version).ok())) {

        printf("Unable to set cluster version\n");

        return 1;

    }

    printf("Finished setting cluster version\n");

    // this is not the right cluster version, so the get should fail

    connection->blocking().SetClientClusterVersion(FLAGS_new_cluster_version + 1);

    unique_ptr<KineticRecord> result = unique_ptr<KineticRecord>();

    kinetic::StatusCode code = connection->blocking().Get("foo", result).statusCode();

    if (code != kinetic::StatusCode::REMOTE_CLUSTER_VERSION_MISMATCH) {

        printf("Unexpectedly got %d\n", static_cast<int>(code));

        return 1;

    } else {

        printf("Correctly rejected a GET with incorrect cluster version\n");

    }

    return 0;

}