Method handshake

lib_acl_cpp/src/stream/mbedtls_io.cpp:325–358

}

bool mbedtls_io::handshake()
{
#ifdef HAS_MBEDTLS
	if (handshake_ok_) {
		return true;
	}

	while (true) {
		// SSL ���ֹ���
		int ret = __ssl_handshake((mbedtls_ssl_context*) ssl_);
		if (ret == 0) {
			handshake_ok_ = true;
			return true;
		}

		if (ret != MBEDTLS_ERR_SSL_WANT_READ
			&& ret != MBEDTLS_ERR_SSL_WANT_WRITE) {

			logger_error("ssl_handshake failed: -0x%04x, %s",
				-ret, ssl_strerror(ret));
			return false;
		}

		if (nblock_) {
			break;
		}
	}

	return true;
#else
	logger_error("HAS_MBEDTLS not defined!");
	return false;
#endif
}

int mbedtls_io::get_version() const
{