Add verbose tracing to cleanup and destructor

Author: avillacis

src/AsyncTCP_TLS_Context.cpp

@@ -236,14 +236,17 @@ int AsyncTCP_TLS_Context::runSSLHandshake(void)
 void AsyncTCP_TLS_Context::_deleteHandshakeCerts(void)
 {
     if (_have_ca_cert) {
+        log_v("Cleaning CA certificate.");
         mbedtls_x509_crt_free(&ca_cert);
         _have_ca_cert = false;
     }
     if (_have_client_cert) {
+        log_v("Cleaning client certificate.");
         mbedtls_x509_crt_free(&client_cert);
         _have_client_cert = false;
     }
     if (_have_client_key) {
+        log_v("Cleaning client certificate key.");
         mbedtls_pk_free(&client_key);
         _have_client_key = false;
     }
@@ -253,6 +256,8 @@ AsyncTCP_TLS_Context::~AsyncTCP_TLS_Context()
 {
     _deleteHandshakeCerts();
 
+    log_v("Cleaning SSL connection.");
+
     mbedtls_ssl_free(&ssl_ctx);
     mbedtls_ssl_config_free(&ssl_conf);
     mbedtls_ctr_drbg_free(&drbg_ctx);