Only initialize SSL once.

using std::string;

SocketWrapper::SocketWrapper(const std::string& host, int port, bool use_ssl, bool nonblocking)

        : ctx_(NULL), ssl_(NULL), host_(host), port_(port), nonblocking_(nonblocking), fd_(-1) {

    if(!use_ssl) return;

class OpenSSLInitializer{

public:

    OpenSSLInitializer() {

      SSL_library_init();

      OpenSSL_add_all_algorithms();

    }

};

static OpenSSLInitializer init;

SocketWrapper::SocketWrapper(const std::string& host, int port, bool use_ssl, bool nonblocking)

        : ctx_(NULL), ssl_(NULL), host_(host), port_(port), nonblocking_(nonblocking), fd_(-1) {

    if(use_ssl) {

        ctx_ = SSL_CTX_new(SSLv23_client_method());

        ssl_ = SSL_new(ctx_);

    if(!ssl_ || !ctx_)

        if(!ssl_ || !ctx_) {

            throw std::runtime_error("Failed Setting up SSL environment.");

        }

        SSL_set_mode(ssl_, SSL_MODE_AUTO_RETRY);

    }

}

SocketWrapper::~SocketWrapper() {

    if (fd_ == -1) {