VPP-210: Clearer error codes in vlib-api for API trace save

Change-Id: Ic02eaaaa8cf7a0f1c75eca8e3b87956d5e9045e7
Signed-off-by: root <calvin.ference@gmail.com>

diff --git a/vlib-api/vlibapi/api_shared.c b/vlib-api/vlibapi/api_shared.c
index 09502c6..fd23c45 100644 (file)
--- a/vlib-api/vlibapi/api_shared.c
+++ b/vlib-api/vlibapi/api_shared.c
@@ -1083,8 +1083,20 @@ api_trace_command_fn (vlib_main_t * vm,
            }
          rv = vl_msg_api_trace_save (am, which, fp);
          fclose (fp);
-         if (rv < 0)
-           vlib_cli_output (vm, "ERROR: %d", rv);
+         if (rv == -1)
+               vlib_cli_output (vm, "API Trace data not present\n");
+         else if (rv == -2)
+               vlib_cli_output (vm, "File for writing is closed\n");
+         else if (rv == -10)
+               vlib_cli_output (vm, "Error while writing header to file\n");
+         else if (rv == -11)
+               vlib_cli_output (vm, "Error while writing trace to file\n");
+         else if (rv == -12)
+               vlib_cli_output (vm, "Error while writing end of buffer trace to file\n");
+         else if (rv == -13)
+               vlib_cli_output (vm, "Error while writing start of buffer trace to file\n");
+         else if (rv < 0)
+           vlib_cli_output (vm, "Unkown error while saving: %d", rv);
          else
            vlib_cli_output (vm, "API trace saved to %s\n", chroot_filename);
          vec_free (chroot_filename);