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81 lines
2.7 KiB
81 lines
2.7 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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#include "fsm.h"
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#include "worker.h"
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#include "../utils/win.h"
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struct nn_usock {
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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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union {
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/* The actual underlying socket. Can be used as a HANDLE too. */
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SOCKET s;
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/* Named pipe handle. Cannot be used as a SOCKET. */
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HANDLE p;
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};
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/* For NamedPipes, closing an accepted pipe differs from other pipes.
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If the NamedPipe was accepted, this member is set to 1. 0 otherwise. */
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int isaccepted;
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/* Asynchronous operations being executed on the socket. */
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struct nn_worker_op in;
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struct nn_worker_op out;
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/* When accepting new socket, they have to be created with same
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type as the listening socket. Thus, in listening socket we
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have to store its exact type. */
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int domain;
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int type;
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int protocol;
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/* Events raised by the usock. */
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struct nn_fsm_event event_established;
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struct nn_fsm_event event_sent;
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struct nn_fsm_event event_received;
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struct nn_fsm_event event_error;
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/* In ACCEPTING state points to the socket being accepted.
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In BEING_ACCEPTED state points to the listener socket. */
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struct nn_usock *asock;
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/* Buffer allocated for output of AcceptEx function. If accepting is not
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done on this socket, the field is set to NULL. */
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void *ainfo;
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/* For NamedPipes, we store the address inside the socket. */
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struct sockaddr_un pipename;
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/* For now we allocate a new buffer for each write to a named pipe. */
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void *pipesendbuf;
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/* Errno remembered in NN_USOCK_ERROR state */
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int errnum;
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};
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