diff --git a/components/tcp_transport/transport_ssl.c b/components/tcp_transport/transport_ssl.c index 28f0c1e12c..4d4f72b8b6 100644 --- a/components/tcp_transport/transport_ssl.c +++ b/components/tcp_transport/transport_ssl.c @@ -82,12 +82,18 @@ static int ssl_poll_read(esp_transport_handle_t t, int timeout_ms) { transport_ssl_t *ssl = esp_transport_get_context_data(t); int ret = -1; + int remain = 0; fd_set readset; fd_set errset; FD_ZERO(&readset); FD_ZERO(&errset); FD_SET(ssl->tls->sockfd, &readset); FD_SET(ssl->tls->sockfd, &errset); + + if ((remain = esp_tls_get_bytes_avail(ssl->tls)) > 0) { + ESP_LOGD(TAG, "remain data in cache, need to read again"); + return remain; + } struct timeval timeout; esp_transport_utils_ms_to_timeval(timeout_ms, &timeout); @@ -146,10 +152,8 @@ static int ssl_read(esp_transport_handle_t t, char *buffer, int len, int timeout int poll, ret; transport_ssl_t *ssl = esp_transport_get_context_data(t); - if (esp_tls_get_bytes_avail(ssl->tls) <= 0) { - if ((poll = esp_transport_poll_read(t, timeout_ms)) <= 0) { - return poll; - } + if ((poll = esp_transport_poll_read(t, timeout_ms)) <= 0) { + return poll; } ret = esp_tls_conn_read(ssl->tls, (unsigned char *)buffer, len); if (ret < 0) {