Do not use boost::optional for TcpSocket

Older boost versions require T to be copy-constructable in optional<T>. This
is not the case for TcpSocket, which is only move-constructable.

Fixes compilation on debian jessie

1 files changed, 10 insertions, 3 deletions

diff --git a/src/TcpSocket.h b/src/TcpSocket.h
index 8df913f..660515d 100644
--- a/src/TcpSocket.h
+++ b/src/TcpSocket.h
@@ -46,7 +46,7 @@
 #include <iostream>
 #include <string>
 
-#include <boost/optional.hpp>
+#include <memory>
 
 /**
  *  This class represents a TCP socket.
@@ -70,7 +70,9 @@ class TcpSocket
         TcpSocket(const TcpSocket& other) = delete;
         TcpSocket& operator=(const TcpSocket& other) = delete;
 
-        int close();
+        bool isValid(void);
+
+        int close(void);
 
         /** Send data over the TCP connection.
          *  @param data The buffer that will be sent.
@@ -88,7 +90,12 @@ class TcpSocket
 
         void listen(void);
         TcpSocket accept(void);
-        boost::optional<TcpSocket> accept(int timeout_ms);
+
+        /* Returns either valid socket if a connection was
+         * accepted before the timeout expired, or an invalid
+         * socket otherwise.
+         */
+        TcpSocket accept(int timeout_ms);
 
         /** Retrieve address this socket is bound to */
         InetAddress getOwnAddress() const;