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61 lines
2.1 KiB
61 lines
2.1 KiB
9 years ago
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/*
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Copyright (c) 2014 Martin Sustrik All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom
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the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, 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 OTHER DEALINGS
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IN THE SOFTWARE.
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*/
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#ifndef NN_TASK_INCLUDED
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#define NN_TASK_INCLUDED
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#include "../../reqrep.h"
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#include "../../aio/fsm.h"
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#include "../../aio/timer.h"
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#include "../../utils/msg.h"
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#include "../../utils/int.h"
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struct nn_task {
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/* ID of the request being currently processed. Replies for different
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requests are considered stale and simply dropped. */
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uint32_t id;
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/* User-defined handle of the task. */
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nn_req_handle hndl;
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/* Stored request, so that it can be re-sent if needed. */
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struct nn_msg request;
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/* Stored reply, so that user can retrieve it later on. */
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struct nn_msg reply;
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/* Timer used to wait while request should be re-sent. */
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struct nn_timer timer;
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/* Pipe the current request has been sent to. This is an optimisation so
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that request can be re-sent immediately if the pipe disappears. */
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struct nn_pipe *sent_to;
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};
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void nn_task_init (struct nn_task *self, uint32_t id, nn_req_handle hndl);
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void nn_task_term (struct nn_task *self);
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#endif
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