void NonBlockingSSL_Connect(CYASSL* ssl) { #ifndef CYASSL_CALLBACKS int ret = CyaSSL_connect(ssl); #else int ret = CyaSSL_connect_ex(ssl, handShakeCB, timeoutCB, timeout); #endif int error = CyaSSL_get_error(ssl, 0); while (ret != SSL_SUCCESS && (error == SSL_ERROR_WANT_READ || error == SSL_ERROR_WANT_WRITE)) { if (error == SSL_ERROR_WANT_READ) printf("... client would read block\n"); else printf("... client would write block\n"); #ifdef USE_WINDOWS_API Sleep(100); #else sleep(1); #endif #ifndef CYASSL_CALLBACKS ret = CyaSSL_connect(ssl); #else ret = CyaSSL_connect_ex(ssl, handShakeCB, timeoutCB, timeout); #endif error = CyaSSL_get_error(ssl, 0); } if (ret != SSL_SUCCESS) err_sys("SSL_connect failed"); }
static void NonBlockingSSL_Connect(CYASSL* ssl) { #ifndef CYASSL_CALLBACKS int ret = CyaSSL_connect(ssl); #else int ret = CyaSSL_connect_ex(ssl, handShakeCB, timeoutCB, timeout); #endif int error = CyaSSL_get_error(ssl, 0); SOCKET_T sockfd = (SOCKET_T)CyaSSL_get_fd(ssl); int select_ret; while (ret != SSL_SUCCESS && (error == SSL_ERROR_WANT_READ || error == SSL_ERROR_WANT_WRITE)) { int currTimeout = 1; if (error == SSL_ERROR_WANT_READ) printf("... client would read block\n"); else printf("... client would write block\n"); #ifdef CYASSL_DTLS currTimeout = CyaSSL_dtls_get_current_timeout(ssl); #endif select_ret = tcp_select(sockfd, currTimeout); if ((select_ret == TEST_RECV_READY) || (select_ret == TEST_ERROR_READY)) { #ifndef CYASSL_CALLBACKS ret = CyaSSL_connect(ssl); #else ret = CyaSSL_connect_ex(ssl,handShakeCB,timeoutCB,timeout); #endif error = CyaSSL_get_error(ssl, 0); } else if (select_ret == TEST_TIMEOUT && !CyaSSL_dtls(ssl)) { error = SSL_ERROR_WANT_READ; } #ifdef CYASSL_DTLS else if (select_ret == TEST_TIMEOUT && CyaSSL_dtls(ssl) && CyaSSL_dtls_got_timeout(ssl) >= 0) { error = SSL_ERROR_WANT_READ; } #endif else { error = SSL_FATAL_ERROR; } } if (ret != SSL_SUCCESS) err_sys("SSL_connect failed"); }