1 files changed, 100 insertions, 0 deletions
diff --git a/src/network.cpp b/src/network.cpp
new file mode 100644
index 0000000..613c234
--- /dev/null
+++ b/src/network.cpp
@@ -0,0 +1,100 @@
+// Copyright 2019 Google LLC
+//
+// 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
+//
+//     https://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 "dap/network.h"
+
+#include "socket.h"
+
+#include <atomic>
+#include <mutex>
+#include <string>
+#include <thread>
+
+namespace {
+
+class Impl : public dap::net::Server {
+ public:
+  Impl() : stopped{true} {}
+
+  ~Impl() { stop(); }
+
+  bool start(int port,
+             const OnConnect& onConnect,
+             const OnError& onError) override {
+    std::unique_lock<std::mutex> lock(mutex);
+    stopWithLock();
+    socket = std::unique_ptr<dap::Socket>(
+        new dap::Socket("localhost", std::to_string(port).c_str()));
+
+    if (!socket->isOpen()) {
+      onError("Failed to open socket");
+      return false;
+    }
+
+    stopped = false;
+    thread = std::thread([=] {
+      while (true) {
+        if (auto rw = socket->accept()) {
+          onConnect(rw);
+          continue;
+        }
+        if (!stopped) {
+          onError("Failed to accept connection");
+        }
+        break;
+      };
+    });
+
+    return true;
+  }
+
+  void stop() override {
+    std::unique_lock<std::mutex> lock(mutex);
+    stopWithLock();
+  }
+
+ private:
+  bool isRunning() { return !stopped; }
+
+  void stopWithLock() {
+    if (!stopped.exchange(true)) {
+      socket->close();
+      thread.join();
+    }
+  }
+
+  std::mutex mutex;
+  std::thread thread;
+  std::unique_ptr<dap::Socket> socket;
+  std::atomic<bool> stopped;
+  OnError errorHandler;
+};
+
+}  // anonymous namespace
+
+namespace dap {
+namespace net {
+
+std::unique_ptr<Server> Server::create() {
+  return std::unique_ptr<Server>(new Impl());
+}
+
+std::shared_ptr<ReaderWriter> connect(const char* addr,
+                                      int port,
+                                      uint32_t timeoutMillis) {
+  return Socket::connect(addr, std::to_string(port).c_str(), timeoutMillis);
+}
+
+}  // namespace net
+}  // namespace dap