v1.4.4

source/core/StarTcp.hpp

@@ -0,0 +1,75 @@
+#ifndef STAR_TCP_HPP
+#define STAR_TCP_HPP
+
+#include "StarIODevice.hpp"
+#include "StarSocket.hpp"
+#include "StarThread.hpp"
+
+namespace Star {
+
+STAR_CLASS(TcpSocket);
+STAR_CLASS(TcpServer);
+
+class TcpSocket : public Socket {
+public:
+  static TcpSocketPtr connectTo(HostAddressWithPort const& address);
+  static TcpSocketPtr listen(HostAddressWithPort const& address);
+
+  TcpSocketPtr accept();
+
+  // Must be called after connect.  Sets TCP_NODELAY option.
+  void setNoDelay(bool noDelay);
+
+  size_t receive(char* data, size_t len);
+  size_t send(char const* data, size_t len);
+
+  HostAddressWithPort localAddress() const;
+  HostAddressWithPort remoteAddress() const;
+
+private:
+  TcpSocket(NetworkMode networkMode);
+  TcpSocket(NetworkMode networkMode, SocketImplPtr impl);
+
+  void connect(HostAddressWithPort const& address);
+
+  HostAddressWithPort m_remoteAddress;
+};
+
+// Simple class to listen for and open TcpSocket instances.
+class TcpServer {
+public:
+  typedef function<void(TcpSocketPtr socket)> AcceptCallback;
+
+  TcpServer(HostAddressWithPort const& address);
+  // Listens to all interfaces.
+  TcpServer(uint16_t port);
+  ~TcpServer();
+
+  void stop();
+  bool isListening() const;
+
+  // Blocks until next connection available for the given timeout.  Throws
+  // ServerClosed if close() is called.  Cannot be called if AcceptCallback is
+  // set.
+  TcpSocketPtr accept(unsigned timeout);
+
+  // Rather than calling and blocking on accept(), if an AcceptCallback is set
+  // here, it will be called whenever a new connection is available.
+  // Exceptions thrown from the callback function will be caught and logged,
+  // and will cause the server to close.  The timeout here is the timeout that
+  // is passed to accept in the loop, the longer the timeout the slower it will
+  // shutdown on a call to close.
+  void setAcceptCallback(AcceptCallback callback, unsigned timeout = 20);
+
+private:
+  mutable Mutex m_mutex;
+
+  AcceptCallback m_callback;
+  ThreadFunction<void> m_callbackThread;
+  HostAddressWithPort m_hostAddress;
+  TcpSocketPtr m_listenSocket;
+};
+
+}
+
+#endif