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/*
* Copyright (c) 2017 Intel Corporation.
* 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 AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 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 __TLDK_SOCK_H__
#define __TLDK_SOCK_H__
#include <stdint.h>
#include <stddef.h>
#include <inttypes.h>
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
#include <tle_tcp.h>
extern ngx_module_t ngx_tldk_event_module;
extern int tldk_stbl_init(const ngx_cycle_t *, const struct tldk_ctx *);
extern void tldk_stbl_fini(void);
extern int
tldk_open_bind_listen(struct tldk_ctx *tcx, int domain, int type,
const struct sockaddr *addr, socklen_t addrlen, int backlog);
extern void
tldk_dump_event_stats(void);
#define TLDK_ACCEPT_BULK 0x10
struct tldk_sock {
LIST_ENTRY(tldk_sock) link;
struct tle_stream *s;
struct tle_event *erev;
struct tle_event *rxev;
struct tle_event *txev;
ngx_event_t *rev;
ngx_event_t *wev;
uint16_t posterr;
struct {
uint32_t num;
struct tle_stream *buf[TLDK_ACCEPT_BULK];
} acpt;
};
struct tldk_sock_list {
uint32_t num;
LIST_HEAD(, tldk_sock) head;
};
struct tldk_stbl {
struct tle_evq *syneq;
struct tle_evq *ereq;
struct tle_evq *rxeq;
struct tle_evq *txeq;
struct tldk_sock_list free;
struct tldk_sock_list lstn;
struct tldk_sock_list use;
int32_t nosd;
uint32_t snum;
struct tldk_sock *sd;
};
#define SOCK_TO_SD(s) (stbl.nosd + ((s) - stbl.sd))
#define SD_TO SOCK(d) (stbl.sd + ((d) - stbl.nosd))
/* One socket/file table per worker */
extern struct tldk_stbl stbl;
static inline struct tldk_sock *
sd_to_sock(int32_t sd)
{
uint32_t n;
n = sd - stbl.nosd;
if (n >= stbl.snum)
return NULL;
return stbl.sd + n;
}
#endif /* __TLDK_SOCK_H__ */
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