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hio/stio/lib/stio-sck.h

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