1 files changed, 65 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/logging/file_log_writer.cc b/third_party/libwebrtc/test/logging/file_log_writer.cc
new file mode 100644
index 0000000000..9189e1630d
--- /dev/null
+++ b/third_party/libwebrtc/test/logging/file_log_writer.cc
@@ -0,0 +1,65 @@
+/*
+ *  Copyright 2019 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+#include "test/logging/file_log_writer.h"
+
+#include <memory>
+
+#include "absl/strings/string_view.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/logging.h"
+#include "test/testsupport/file_utils.h"
+
+namespace webrtc {
+namespace webrtc_impl {
+
+FileLogWriter::FileLogWriter(absl::string_view file_path)
+    : out_(std::fopen(std::string(file_path).c_str(), "wb")) {
+  RTC_CHECK(out_ != nullptr)
+      << "Failed to open file: '" << file_path << "' for writing.";
+}
+
+FileLogWriter::~FileLogWriter() {
+  std::fclose(out_);
+}
+
+bool FileLogWriter::IsActive() const {
+  return true;
+}
+
+bool FileLogWriter::Write(absl::string_view value) {
+  // We don't expect the write to fail. If it does, we don't want to risk
+  // silently ignoring it.
+  RTC_CHECK_EQ(std::fwrite(value.data(), 1, value.size(), out_), value.size())
+      << "fwrite failed unexpectedly: " << errno;
+  return true;
+}
+
+void FileLogWriter::Flush() {
+  RTC_CHECK_EQ(fflush(out_), 0) << "fflush failed unexpectedly: " << errno;
+}
+
+}  // namespace webrtc_impl
+
+FileLogWriterFactory::FileLogWriterFactory(absl::string_view base_path)
+    : base_path_(base_path) {
+  for (size_t i = 0; i < base_path.size(); ++i) {
+    if (base_path[i] == '/')
+      test::CreateDir(base_path.substr(0, i));
+  }
+}
+
+FileLogWriterFactory::~FileLogWriterFactory() {}
+
+std::unique_ptr<RtcEventLogOutput> FileLogWriterFactory::Create(
+    absl::string_view filename) {
+  return std::make_unique<webrtc_impl::FileLogWriter>(base_path_ +
+                                                      std::string(filename));
+}
+}  // namespace webrtc