128 lines
4.9 KiB
C++
128 lines
4.9 KiB
C++
//
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// Copyright (c) 2011 Alex Yatskov
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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#pragma once
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namespace metacall {
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//
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// Protocol
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//
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class Protocol {
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public:
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enum TaskId {
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TASK_ID_INVALID
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};
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enum TaskState {
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TASK_STATE_UNDEFINED,
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TASK_STATE_PENDING,
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TASK_STATE_READY,
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TASK_STATE_ERROR
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};
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typedef void (*HandlerProc)(
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class Protocol* protocol,
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TaskId id,
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TaskState state,
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void* userPtr
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);
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Protocol(Stream* stream, Binding* binding);
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void advance ();
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void setRate (int rate);
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template <typename R>
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TaskState queryResult (TaskId id, R* result);
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bool pendingTasks () const;
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bool setHandler (TaskId id, HandlerProc handler, void* userPtr = NULL);
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void clearHandler (TaskId id);
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void clearHandlers ();
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TaskId invoke (const Token& token);
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template <typename P1>
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TaskId invoke (const Token& token, const P1& p0);
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template <typename P1, typename P2>
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TaskId invoke (const Token& token, const P1& p0, const P2& p1);
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template <typename P1, typename P2, typename P3>
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TaskId invoke (const Token& token, const P1& p0, const P2& p1, const P3& p2);
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template <typename P1, typename P2, typename P3, typename P4>
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TaskId invoke (const Token& token, const P1& p0, const P2& p1, const P3& p2, const P4& p3);
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template <typename P1, typename P2, typename P3, typename P4, typename P5>
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TaskId invoke (const Token& token, const P1& p0, const P2& p1, const P3& p2, const P4& p3, const P5& p4);
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template <typename P1, typename P2, typename P3, typename P4, typename P5, typename P6>
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TaskId invoke (const Token& token, const P1& p0, const P2& p1, const P3& p2, const P4& p3, const P5& p4, const P6& p5);
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template <typename P1, typename P2, typename P3, typename P4, typename P5, typename P6, typename P7>
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TaskId invoke (const Token& token, const P1& p0, const P2& p1, const P3& p2, const P4& p3, const P5& p4, const P6& p5, const P7& p6);
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template <typename P1, typename P2, typename P3, typename P4, typename P5, typename P6, typename P7, typename P8>
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TaskId invoke (const Token& token, const P1& p0, const P2& p1, const P3& p2, const P4& p3, const P5& p4, const P6& p5, const P7& p6, const P8& p7);
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template <typename P1, typename P2, typename P3, typename P4, typename P5, typename P6, typename P7, typename P8, typename P9>
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TaskId invoke (const Token& token, const P1& p0, const P2& p1, const P3& p2, const P4& p3, const P5& p4, const P6& p5, const P7& p6, const P8& p7, const P9& p8);
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private:
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struct HandlerEntry {
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HandlerEntry(HandlerProc handler, void* userPtr) :
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handler(handler),
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userPtr(userPtr)
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{
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}
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HandlerProc handler;
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void* userPtr;
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};
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struct TaskEntry {
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TaskEntry() :
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state(TASK_STATE_PENDING)
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{
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}
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typedef std::vector<HandlerEntry> HandlerList;
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HandlerList handlers;
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TaskState state;
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Buffer data;
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};
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Stream::State advanceStream ();
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Stream::State advanceInvokeRequest();
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Stream::State advanceInvokeReply ();
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TaskId invokeExec (const Token& token, PacketInvokeRequest* packetRequest);
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static TaskId registerTaskId ();
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typedef std::map<TaskId, TaskEntry> TaskMap;
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TaskMap taskMap_;
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Stream* stream_;
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Binding* binding_;
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int rate_;
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};
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}
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