351 lines
8.6 KiB
C
351 lines
8.6 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAfRRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _STIO_SCK_H_
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#define _STIO_SCK_H_
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#include <stio.h>
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struct stio_sckadr_t
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{
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int family;
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stio_uint8_t data[128]; /* TODO: use the actual sockaddr size */
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};
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typedef struct stio_sckadr_t stio_sckadr_t;
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#if (STIO_SIZEOF_SOCKLEN_T == STIO_SIZEOF_INT)
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#if defined(STIO_SOCKLEN_T_IS_SIGNED)
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typedef int stio_scklen_t;
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#else
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typedef unsigned int stio_scklen_t;
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#endif
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#elif (STIO_SIZEOF_SOCKLEN_T == STIO_SIZEOF_LONG)
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#if defined(STIO_SOCKLEN_T_IS_SIGNED)
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typedef long stio_scklen_t;
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#else
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typedef unsigned long stio_scklen_t;
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#endif
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#else
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typedef int stio_scklen_t;
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#endif
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#if defined(_WIN32)
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# define STIO_IOCP_KEY 1
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/*
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typedef HANDLE stio_syshnd_t;
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typedef SOCKET stio_sckhnd_t;
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# define STIO_SCKHND_INVALID (INVALID_SOCKET)
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*/
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typedef stio_uintptr_t qse_sckhnd_t;
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# define STIO_SCKHND_INVALID (~(qse_sck_hnd_t)0)
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#else
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typedef int stio_sckhnd_t;
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# define STIO_SCKHND_INVALID (-1)
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#endif
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typedef int stio_sckfam_t;
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#define STIO_SCK_ETH_PROTO_IP4 0x0800
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#define STIO_SCK_ETH_PROTO_ARP 0x0806
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#define STIO_SCK_ETH_PROTO_8021Q 0x8100 /* 802.1Q VLAN */
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#define STIO_SCK_ETH_PROTO_IP6 0x86DD
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/* ========================================================================= */
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enum stio_dev_sck_ioctl_cmd_t
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{
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STIO_DEV_SCK_BIND,
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STIO_DEV_SCK_CONNECT,
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STIO_DEV_SCK_LISTEN
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};
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typedef enum stio_dev_sck_ioctl_cmd_t stio_dev_sck_ioctl_cmd_t;
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enum stio_dev_sck_state_t
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{
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STIO_DEV_SCK_CONNECTING = (1 << 0),
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STIO_DEV_SCK_CONNECTED = (1 << 1),
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STIO_DEV_SCK_LISTENING = (1 << 2),
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STIO_DEV_SCK_ACCEPTED = (1 << 3)
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};
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typedef enum stio_dev_sck_state_t stio_dev_sck_state_t;
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typedef struct stio_dev_sck_t stio_dev_sck_t;
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typedef int (*stio_dev_sck_on_read_t) (
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stio_dev_sck_t* dev,
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const void* data,
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stio_iolen_t dlen,
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const stio_sckadr_t* srcadr
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);
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typedef int (*stio_dev_sck_on_write_t) (
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stio_dev_sck_t* dev,
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stio_iolen_t wrlen,
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void* wrctx,
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const stio_sckadr_t* dstadr
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);
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typedef int (*stio_dev_sck_on_connect_t) (stio_dev_sck_t* dev);
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typedef void (*stio_dev_sck_on_disconnect_t) (stio_dev_sck_t* dev);
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enum stio_dev_sck_type_t
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{
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STIO_DEV_SCK_TCP4,
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STIO_DEV_SCK_TCP6,
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STIO_DEV_SCK_UPD4,
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STIO_DEV_SCK_UDP6,
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STIO_DEV_SCK_ARP,
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STIO_DEV_SCK_ARP_DGRAM,
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STIO_DEV_SCK_ICMP4
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#if 0
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STIO_DEV_SCK_RAW, /* raw L2-level packet */
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#endif
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};
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typedef enum stio_dev_sck_type_t stio_dev_sck_type_t;
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typedef struct stio_dev_sck_make_t stio_dev_sck_make_t;
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struct stio_dev_sck_make_t
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{
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stio_dev_sck_type_t type;
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stio_dev_sck_on_write_t on_write;
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stio_dev_sck_on_read_t on_read;
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};
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enum stio_dev_sck_bind_option_t
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{
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STIO_DEV_SCK_BIND_BROADCAST = (1 << 0),
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STIO_DEV_SCK_BIND_REUSEADDR = (1 << 1)
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/* TODO: more options --- TRANSPARENT...SO_RCVBUF, SO_SNDBUF, SO_RCVTIMEO, SO_SNDTIMEO, SO_KEEPALIVE */
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};
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typedef enum stio_dev_sck_bind_option_t stio_dev_sck_bind_option_t;
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typedef struct stio_dev_sck_bind_t stio_dev_sck_bind_t;
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struct stio_dev_sck_bind_t
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{
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int options;
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stio_sckadr_t addr;
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/* TODO: add device name for BIND_TO_DEVICE */
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};
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typedef struct stio_dev_sck_connect_t stio_dev_sck_connect_t;
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struct stio_dev_sck_connect_t
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{
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stio_sckadr_t addr;
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stio_ntime_t tmout; /* connect timeout */
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stio_dev_sck_on_connect_t on_connect;
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stio_dev_sck_on_disconnect_t on_disconnect;
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};
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typedef struct stio_dev_sck_listen_t stio_dev_sck_listen_t;
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struct stio_dev_sck_listen_t
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{
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int backlogs;
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stio_dev_sck_on_connect_t on_connect; /* optional, but new connections are dropped immediately without this */
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stio_dev_sck_on_disconnect_t on_disconnect; /* should on_discconneted be part of on_accept_t??? */
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};
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typedef struct stio_dev_sck_accept_t stio_dev_sck_accept_t;
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struct stio_dev_sck_accept_t
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{
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stio_syshnd_t sck;
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/* TODO: add timeout */
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stio_sckadr_t peeradr;
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};
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struct stio_dev_sck_t
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{
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STIO_DEV_HEADERS;
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stio_dev_sck_type_t type;
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stio_sckhnd_t sck;
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stio_dev_sck_on_write_t on_write;
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stio_dev_sck_on_read_t on_read;
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int state;
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/** return 0 on succes, -1 on failure/
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* called on a new tcp device for an accepted client or
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* on a tcp device conntected to a remote server */
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stio_dev_sck_on_connect_t on_connect;
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stio_dev_sck_on_disconnect_t on_disconnect;
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stio_tmridx_t tmridx_connect;
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/* peer address for a stateful stream socket. valid if one of the
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* followings is set in state:
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* STIO_DEV_TCP_ACCEPTED
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* STIO_DEV_TCP_CONNECTED
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* STIO_DEV_TCP_CONNECTING
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*
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* also used as a placeholder to store source address for
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* a stateless socket */
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stio_sckadr_t peeradr;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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STIO_EXPORT stio_sckhnd_t stio_openasyncsck (
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stio_t* stio,
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int domain,
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int type,
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int proto
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);
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STIO_EXPORT void stio_closeasyncsck (
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stio_t* stio,
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stio_sckhnd_t sck
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);
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STIO_EXPORT int stio_makesckasync (
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stio_t* stio,
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stio_sckhnd_t sck
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);
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STIO_EXPORT int stio_getsckadrinfo (
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stio_t* stio,
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const stio_sckadr_t* addr,
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stio_scklen_t* len,
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stio_sckfam_t* family
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);
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void stio_sckadr_initforip4 (
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stio_sckadr_t* sckadr,
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stio_uint16_t port,
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stio_ip4adr_t* ip4adr
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);
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void stio_sckadr_initforip6 (
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stio_sckadr_t* sckadr,
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stio_uint16_t port,
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stio_ip6adr_t* ip6adr
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);
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void stio_sckadr_initforeth (
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stio_sckadr_t* sckadr,
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int ifindex,
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stio_ethadr_t* ethadr
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);
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/* ========================================================================= */
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STIO_EXPORT stio_dev_sck_t* stio_dev_sck_make (
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stio_t* stio,
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stio_size_t xtnsize,
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const stio_dev_sck_make_t* info
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);
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STIO_EXPORT int stio_dev_sck_bind (
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stio_dev_sck_t* dev,
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stio_dev_sck_bind_t* info
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);
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STIO_EXPORT int stio_dev_sck_connect (
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stio_dev_sck_t* dev,
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stio_dev_sck_connect_t* info
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);
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STIO_EXPORT int stio_dev_sck_listen (
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stio_dev_sck_t* dev,
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stio_dev_sck_listen_t* info
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);
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STIO_EXPORT int stio_dev_sck_write (
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stio_dev_sck_t* dev,
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const void* data,
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stio_iolen_t len,
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void* wrctx,
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const stio_sckadr_t* dstadr
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);
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STIO_EXPORT int stio_dev_sck_timedwrite (
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stio_dev_sck_t* dev,
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const void* data,
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stio_iolen_t len,
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const stio_ntime_t* tmout,
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void* wrctx,
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const stio_sckadr_t* dstadr
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);
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#if defined(STIO_HAVE_INLINE)
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static STIO_INLINE void stio_dev_sck_halt (stio_dev_sck_t* sck)
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{
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stio_dev_halt ((stio_dev_t*)sck);
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}
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static STIO_INLINE int stio_dev_sck_read (stio_dev_sck_t* sck, int enabled)
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{
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return stio_dev_read ((stio_dev_t*)sck, enabled);
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}
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/*
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static STIO_INLINE int stio_dev_sck_write (stio_dev_sck_t* sck, const void* data, stio_iolen_t len, void* wrctx, const stio_devadr_t* dstadr)
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{
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return stio_dev_write ((stio_dev_t*)sck, data, len, wrctx, STIO_NULL);
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}
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static STIO_INLINE int stio_dev_sck_timedwrite (stio_dev_sck_t* sck, const void* data, stio_iolen_t len, const stio_ntime_t* tmout, void* wrctx)
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{
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return stio_dev_timedwrite ((stio_dev_t*)sck, data, len, tmout, wrctx, STIO_NULL);
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}
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*/
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#else
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#define stio_dev_sck_halt(sck) stio_dev_halt((stio_dev_t*)sck)
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#define stio_dev_sck_read(sck,enabled) stio_dev_read((stio_dev_t*)sck, enabled)
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/*
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#define stio_dev_sck_write(sck,data,len,wrctx) stio_dev_write((stio_dev_t*)sck, data, len, wrctx, STIO_NULL)
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#define stio_dev_sck_timedwrite(sck,data,len,tmout,wrctx) stio_dev_timedwrite((stio_dev_t*)sck, data, len, tmout, wrctx, STIO_NULL)
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*/
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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