Reorganize source files

include/beast/websocket/impl/read_op.ipp

@@ -0,0 +1,132 @@
+//
+// Copyright (c) 2013-2016 Vinnie Falco (vinnie dot falco at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef BEAST_WEBSOCKET_IMPL_READ_OP_HPP
+#define BEAST_WEBSOCKET_IMPL_READ_OP_HPP
+
+#include <beast/handler_alloc.hpp>
+#include <memory>
+
+namespace beast {
+namespace websocket {
+
+// read an entire message
+//
+template<class NextLayer>
+template<class Streambuf, class Handler>
+class stream<NextLayer>::read_op
+{
+    using alloc_type =
+        handler_alloc<char, Handler>;
+
+    struct data
+    {
+        stream<NextLayer>& ws;
+        opcode& op;
+        Streambuf& sb;
+        Handler h;
+        frame_info fi;
+        bool cont;
+        int state = 0;
+
+        template<class DeducedHandler>
+        data(DeducedHandler&& h_,
+            stream<NextLayer>& ws_, opcode& op_,
+                Streambuf& sb_)
+            : ws(ws_)
+            , op(op_)
+            , sb(sb_)
+            , h(std::forward<DeducedHandler>(h_))
+            , cont(boost_asio_handler_cont_helpers::
+                is_continuation(h))
+        {
+        }
+    };
+
+    std::shared_ptr<data> d_;
+
+public:
+    read_op(read_op&&) = default;
+    read_op(read_op const&) = default;
+
+    template<class DeducedHandler, class... Args>
+    read_op(DeducedHandler&& h,
+            stream<NextLayer>& ws, Args&&... args)
+        : d_(std::allocate_shared<data>(alloc_type{h},
+            std::forward<DeducedHandler>(h), ws,
+                std::forward<Args>(args)...))
+    {
+        (*this)(error_code{}, false);
+    }
+
+    void operator()(
+        error_code const& ec, bool again = true);
+
+    friend
+    auto asio_handler_allocate(
+        std::size_t size, read_op* op)
+    {
+        return boost_asio_handler_alloc_helpers::
+            allocate(size, op->d_->h);
+    }
+
+    friend
+    auto asio_handler_deallocate(
+        void* p, std::size_t size, read_op* op)
+    {
+        return boost_asio_handler_alloc_helpers::
+            deallocate(p, size, op->d_->h);
+    }
+
+    friend
+    auto asio_handler_is_continuation(read_op* op)
+    {
+        return op->d_->cont;
+    }
+
+    template <class Function>
+    friend
+    auto asio_handler_invoke(Function&& f, read_op* op)
+    {
+        return boost_asio_handler_invoke_helpers::
+            invoke(f, op->d_->h);
+    }
+};
+
+template<class NextLayer>
+template<class Streambuf, class Handler>
+void
+stream<NextLayer>::read_op<Streambuf, Handler>::
+operator()(error_code const& ec, bool again)
+{
+    auto& d = *d_;
+    d.cont = d.cont || again;
+    while(! ec && d.state != 99)
+    {
+        switch(d.state)
+        {
+        case 0:
+            // read payload
+            d.state = 1;
+            d.ws.async_read_frame(
+                d.fi, d.sb, std::move(*this));
+            return;
+
+        // got payload
+        case 1:
+            d.op = d.fi.op;
+            d.state = d.fi.fin ? 99 : 0;
+            break;
+        }
+    }
+    d.h(ec);
+}
+
+} // websocket
+} // beast
+
+#endif