1 files changed, 74 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/test_echo_server.h b/third_party/libwebrtc/rtc_base/test_echo_server.h
new file mode 100644
index 0000000000..e4f70caee2
--- /dev/null
+++ b/third_party/libwebrtc/rtc_base/test_echo_server.h
@@ -0,0 +1,74 @@
+/*
+ *  Copyright 2004 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.
+ */
+
+#ifndef RTC_BASE_TEST_ECHO_SERVER_H_
+#define RTC_BASE_TEST_ECHO_SERVER_H_
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <list>
+#include <memory>
+
+#include "absl/algorithm/container.h"
+#include "rtc_base/async_packet_socket.h"
+#include "rtc_base/async_tcp_socket.h"
+#include "rtc_base/socket.h"
+#include "rtc_base/socket_address.h"
+#include "rtc_base/third_party/sigslot/sigslot.h"
+#include "rtc_base/thread.h"
+
+namespace rtc {
+
+// A test echo server, echoes back any packets sent to it.
+// Useful for unit tests.
+class TestEchoServer : public sigslot::has_slots<> {
+ public:
+  TestEchoServer(Thread* thread, const SocketAddress& addr);
+  ~TestEchoServer() override;
+
+  TestEchoServer(const TestEchoServer&) = delete;
+  TestEchoServer& operator=(const TestEchoServer&) = delete;
+
+  SocketAddress address() const { return server_socket_->GetLocalAddress(); }
+
+ private:
+  void OnAccept(Socket* socket) {
+    Socket* raw_socket = socket->Accept(nullptr);
+    if (raw_socket) {
+      AsyncTCPSocket* packet_socket = new AsyncTCPSocket(raw_socket);
+      packet_socket->SignalReadPacket.connect(this, &TestEchoServer::OnPacket);
+      packet_socket->SubscribeClose(
+          this, [this](AsyncPacketSocket* s, int err) { OnClose(s, err); });
+      client_sockets_.push_back(packet_socket);
+    }
+  }
+  void OnPacket(AsyncPacketSocket* socket,
+                const char* buf,
+                size_t size,
+                const SocketAddress& remote_addr,
+                const int64_t& /* packet_time_us */) {
+    rtc::PacketOptions options;
+    socket->Send(buf, size, options);
+  }
+  void OnClose(AsyncPacketSocket* socket, int err) {
+    ClientList::iterator it = absl::c_find(client_sockets_, socket);
+    client_sockets_.erase(it);
+    Thread::Current()->Dispose(socket);
+  }
+
+  typedef std::list<AsyncTCPSocket*> ClientList;
+  std::unique_ptr<Socket> server_socket_;
+  ClientList client_sockets_;
+};
+
+}  // namespace rtc
+
+#endif  // RTC_BASE_TEST_ECHO_SERVER_H_