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Unified Diff: webrtc/tools/network_tester/config_reader.cc

Issue 2808203003: Reland "Add first part of the network_tester functionality" (Closed)
Patch Set: use ACCESS_ON instead of GUARDED_BY Created 3 years, 8 months ago
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Index: webrtc/tools/network_tester/config_reader.cc
diff --git a/webrtc/tools/network_tester/config_reader.cc b/webrtc/tools/network_tester/config_reader.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2718524d565c09da55e5eb656ea5d73594932c80
--- /dev/null
+++ b/webrtc/tools/network_tester/config_reader.cc
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2017 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 "webrtc/tools/network_tester/config_reader.h"
+
+#include <string>
+#include <vector>
+
+namespace webrtc {
+
+ConfigReader::ConfigReader(const std::string& config_file_path)
+ : proto_config_index_(0) {
+ std::ifstream config_stream(config_file_path,
+ std::ios_base::in | std::ios_base::binary);
+ RTC_DCHECK(config_stream.is_open());
+ RTC_DCHECK(config_stream.good());
+ std::string config_data((std::istreambuf_iterator<char>(config_stream)),
+ (std::istreambuf_iterator<char>()));
+ if (config_data.size() > 0) {
+ proto_all_configs_.ParseFromString(config_data);
+ }
+}
+
+ConfigReader::~ConfigReader() = default;
+
+rtc::Optional<ConfigReader::Config> ConfigReader::GetNextConfig() {
+#ifdef WEBRTC_NETWORK_TESTER_PROTO
+ if (proto_config_index_ >= proto_all_configs_.configs_size())
+ return rtc::Optional<Config>();
+ auto proto_config = proto_all_configs_.configs(proto_config_index_++);
+ RTC_DCHECK(proto_config.has_packet_send_interval_ms());
+ RTC_DCHECK(proto_config.has_packet_size());
+ RTC_DCHECK(proto_config.has_execution_time_ms());
+ Config config;
+ config.packet_send_interval_ms = proto_config.packet_send_interval_ms();
+ config.packet_size = proto_config.packet_size();
+ config.execution_time_ms = proto_config.execution_time_ms();
+ return rtc::Optional<Config>(config);
+#else
+ return rtc::Optional<Config>();
+#endif // WEBRTC_NETWORK_TESTER_PROTO
+}
+
+} // namespace webrtc
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