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81 lines
2.6 KiB
81 lines
2.6 KiB
9 years ago
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/*
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Copyright (c) 2013 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_AIPC_INCLUDED
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#define NN_AIPC_INCLUDED
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#include "sipc.h"
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#include "../../transport.h"
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#include "../../aio/fsm.h"
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#include "../../aio/usock.h"
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#include "../../utils/list.h"
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/* State machine handling accepted IPC sockets. */
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/* In bipc, some events are just *assumed* to come from a child aipc object.
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By using non-trivial event codes, we can do more reliable sanity checking
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in such scenarios. */
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#define NN_AIPC_ACCEPTED 34231
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#define NN_AIPC_ERROR 34232
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#define NN_AIPC_STOPPED 34233
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struct nn_aipc {
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/* The state machine. */
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struct nn_fsm fsm;
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int state;
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/* Pointer to the associated endpoint. */
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struct nn_epbase *epbase;
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/* Underlying socket. */
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struct nn_usock usock;
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/* Listening socket. Valid only while accepting new connection. */
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struct nn_usock *listener;
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struct nn_fsm_owner listener_owner;
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/* State machine that takes care of the connection in the active state. */
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struct nn_sipc sipc;
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/* Events generated by aipc state machine. */
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struct nn_fsm_event accepted;
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struct nn_fsm_event done;
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/* This member can be used by owner to keep individual aipcs in a list. */
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struct nn_list_item item;
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};
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void nn_aipc_init (struct nn_aipc *self, int src,
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struct nn_epbase *epbase, struct nn_fsm *owner);
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void nn_aipc_term (struct nn_aipc *self);
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int nn_aipc_isidle (struct nn_aipc *self);
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void nn_aipc_start (struct nn_aipc *self, struct nn_usock *listener);
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void nn_aipc_stop (struct nn_aipc *self);
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#endif
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