tools: add progress implementation
Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I9da1674d6cbc688efc7bab0e033788d6ee4694f7
diff --git a/tools/progress.cpp b/tools/progress.cpp
new file mode 100644
index 0000000..a395ca3
--- /dev/null
+++ b/tools/progress.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "progress.hpp"
+
+#include <cstdio>
+
+namespace host_tool
+{
+
+void ProgressStdoutIndicator::updateProgress(std::int64_t bytes)
+{
+ /* Print progress update. */
+ currentBytes += bytes;
+ std::fprintf(stdout, "\rProgress: %.2f%%",
+ 100.0 * currentBytes / totalBytes);
+ std::fflush(stdout);
+}
+
+void ProgressStdoutIndicator::start(std::int64_t bytes)
+{
+ totalBytes = bytes;
+ currentBytes = 0;
+}
+
+} // namespace host_tool