TST: update ccaosdbcli

src/ccaosdbcli.c

-#include "ccaosdb.h"
-#include "caosdb/constants.h"
-#include <stdio.h>
-#include <stdlib.h>
+#include <stdio.h>             // for printf
+#include "caosdb/constants.h"  // for LIBCAOSDB_VERSION_MAJOR, LIBCAOSDB_VER...
+#include "ccaosdb.h"           // for caosdb_info_version_info, caosdb_conne...
 
 int main(void) {
   printf(
     "CaosDB C client (libcaosdb %d.%d.%d)\nWe don't miss the H of caos.\n\n",
     LIBCAOSDB_VERSION_MAJOR, LIBCAOSDB_VERSION_MINOR, LIBCAOSDB_VERSION_PATCH);
 
-  const char *host =
-    caosdb_utility_get_env_var("CAOSDB_SERVER_HOST", "localhost");
-  const char *port_str =
-    caosdb_utility_get_env_var("CAOSDB_SERVER_GRPC_PORT_HTTPS", "8443");
-  char *end = NULL;
-  const int port = (int)strtol(port_str, &end, 10);
-
-  const char *cacert = caosdb_utility_get_env_var("CAOSDB_SERVER_CERT", "");
-  const char *username = caosdb_utility_get_env_var("CAOSDB_USER", "admin");
-  const char *password =
-    caosdb_utility_get_env_var("CAOSDB_PASSWORD", "caosdb");
-
-  printf("Connecting to %s:%d as %s: ...", host, port, username);
-
-  caosdb_connection_certificate_provider provider;
-  caosdb_connection_create_pem_file_certificate_provider(&provider, cacert);
-
-  caosdb_authentication_authenticator authenticator;
-  caosdb_authentication_create_plain_password_authenticator(&authenticator,
-                                                            username, password);
-
-  caosdb_connection_connection_configuration configuration;
-  caosdb_connection_create_tls_connection_configuration(
-    &configuration, host, port, &authenticator, &provider);
-
   caosdb_connection_connection connection;
-  caosdb_connection_create_connection(&connection, &configuration);
+  caosdb_connection_connection_manager_get_default_connection(&connection);
 
   caosdb_info_version_info version_info;
   caosdb_connection_get_version_info(&version_info, &connection);
 
-  printf("\b\b\bSuccess!\nServer version: %d.%d.%d-%s-%s\n", version_info.major,
+  printf("Server version: %d.%d.%d-%s-%s\n", version_info.major,
          version_info.minor, version_info.patch, version_info.pre_release,
          version_info.build);
 
-  caosdb_connection_delete_connection(&connection);
-  caosdb_connection_delete_connection_configuration(&configuration);
-  caosdb_connection_delete_certificate_provider(&provider);
-  caosdb_authentication_delete_authenticator(&authenticator);
-
   return 0;
 }