Added support for unix sockets

dlib/sockets/sockets_extensions.cpp

@@ -256,6 +256,24 @@ namespace dlib
         return data->con;
     }
 
+// ----------------------------------------------------------------------------------------
+
+    connection* connect (
+        const std::string& path
+    )
+    {
+        connection* con;
+
+        if(create_connection(con,path))
+        {
+            std::ostringstream sout;
+            sout << "unable to connect to '" << path << "'";
+            throw socket_error(sout.str());
+        }
+
+        return con;
+    }
+
 // ----------------------------------------------------------------------------------------
 
     bool is_ip_address (

dlib/sockets/sockets_extensions.h

@@ -119,6 +119,12 @@ namespace dlib
         unsigned long timeout
     );
 
+// ----------------------------------------------------------------------------------------
+
+    connection* connect (
+        const std::string& path
+    );
+
 // ----------------------------------------------------------------------------------------
 
     bool is_ip_address (

dlib/sockets/sockets_extensions_abstract.h

@@ -222,6 +222,22 @@ namespace dlib
             - std::bad_alloc
     !*/
 
+// ----------------------------------------------------------------------------------------
+
+    connection* connect (
+        const std::string& path
+    );
+    /*!
+        ensures
+            - returns a connection object that is connected to a unix socket created
+              at the given path
+        throws
+            - dlib::socket_error
+                This exception is thrown if there is some problem that prevents us from
+                creating the connection
+            - std::bad_alloc
+    !*/
+
 // ----------------------------------------------------------------------------------------