--- /dev/null
+/*
+ * Copyright (c) 2014, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the WebSocket++ Project nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef WEBSOCKETPP_TRANSPORT_IOSTREAM_BASE_HPP
+#define WEBSOCKETPP_TRANSPORT_IOSTREAM_BASE_HPP
+
+#include <websocketpp/common/system_error.hpp>
+#include <websocketpp/common/cpp11.hpp>
+#include <websocketpp/common/functional.hpp>
+#include <websocketpp/common/connection_hdl.hpp>
+
+#include <websocketpp/transport/base/connection.hpp>
+
+#include <string>
+#include <vector>
+
+namespace websocketpp {
+namespace transport {
+/// Transport policy that uses STL iostream for I/O and does not support timers
+namespace iostream {
+
+/// The type and signature of the callback used by iostream transport to write
+typedef lib::function<lib::error_code(connection_hdl, char const *, size_t)>
+ write_handler;
+
+/// The type and signature of the callback used by iostream transport to perform
+/// vectored writes.
+/**
+ * If a vectored write handler is not set the standard write handler will be
+ * called multiple times.
+ */
+typedef lib::function<lib::error_code(connection_hdl, std::vector<transport::buffer> const
+ & bufs)> vector_write_handler;
+
+/// The type and signature of the callback used by iostream transport to signal
+/// a transport shutdown.
+typedef lib::function<lib::error_code(connection_hdl)> shutdown_handler;
+
+/// iostream transport errors
+namespace error {
+enum value {
+ /// Catch-all error for transport policy errors that don't fit in other
+ /// categories
+ general = 1,
+
+ /// async_read_at_least call requested more bytes than buffer can store
+ invalid_num_bytes,
+
+ /// async_read called while another async_read was in progress
+ double_read,
+
+ /// An operation that requires an output stream was attempted before
+ /// setting one.
+ output_stream_required,
+
+ /// stream error
+ bad_stream
+};
+
+/// iostream transport error category
+class category : public lib::error_category {
+ public:
+ category() {}
+
+ char const * name() const _WEBSOCKETPP_NOEXCEPT_TOKEN_ {
+ return "websocketpp.transport.iostream";
+ }
+
+ std::string message(int value) const {
+ switch(value) {
+ case general:
+ return "Generic iostream transport policy error";
+ case invalid_num_bytes:
+ return "async_read_at_least call requested more bytes than buffer can store";
+ case double_read:
+ return "Async read already in progress";
+ case output_stream_required:
+ return "An output stream to be set before async_write can be used";
+ case bad_stream:
+ return "A stream operation returned ios::bad";
+ default:
+ return "Unknown";
+ }
+ }
+};
+
+/// Get a reference to a static copy of the iostream transport error category
+inline lib::error_category const & get_category() {
+ static category instance;
+ return instance;
+}
+
+/// Get an error code with the given value and the iostream transport category
+inline lib::error_code make_error_code(error::value e) {
+ return lib::error_code(static_cast<int>(e), get_category());
+}
+
+} // namespace error
+} // namespace iostream
+} // namespace transport
+} // namespace websocketpp
+_WEBSOCKETPP_ERROR_CODE_ENUM_NS_START_
+template<> struct is_error_code_enum<websocketpp::transport::iostream::error::value>
+{
+ static bool const value = true;
+};
+_WEBSOCKETPP_ERROR_CODE_ENUM_NS_END_
+
+#endif // WEBSOCKETPP_TRANSPORT_IOSTREAM_BASE_HPP
projects / c11concurrency-benchmarks.git / blobdiff