Mercurial > hg > nginx-quic
view src/mysql/ngx_mysql.h @ 6443:fc72784b1f52
Threads: writing via threads pools in event pipe.
The "aio_write" directive is introduced, which enables use of aio
for writing. Currently it is meaningful only with "aio threads".
Note that aio operations can be done by both event pipe and output
chain, so proper mapping between r->aio and p->aio is provided when
calling ngx_event_pipe() and in output filter.
In collaboration with Valentin Bartenev.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Fri, 18 Mar 2016 06:44:49 +0300 |
parents | d620f497c50f |
children |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #ifndef _NGX_MYSQL_H_INCLUDED_ #define _NGX_MYSQL_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> #include <ngx_event_connect.h> typedef struct ngx_mysql_s ngx_mysql_t; typedef void (*ngx_mysql_handler_pt)(ngx_mysql_t *m); struct ngx_mysql_s { ngx_peer_connection_t peer; ngx_buf_t *buf; ngx_pool_t *pool; ngx_str_t *login; ngx_str_t *passwd; ngx_str_t *database; ngx_str_t query; ngx_uint_t pktn; ngx_mysql_handler_pt handler; void *data; ngx_int_t state; }; #define NGX_MYSQL_CMDPKT_LEN 5 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED && 0) #define ngx_m16toh(n) (*(uint32_t *) n & 0x0000ffff) #define ngx_m24toh(n) (*(uint32_t *) n & 0x00ffffff) #define ngx_m32toh(n) *(uint32_t *) n #define ngx_htom16(n, m) *(uint16_t *) n = (uint16_t) ((m) & 0xffff) #define ngx_htom24(n, m) (n)[0] = (u_char) ((m) & 0xff); \ (n)[1] = (u_char) (((m) >> 8) & 0xff); \ (n)[2] = (u_char) (((m) >> 16) & 0xff) #define ngx_htom32(n, m) *(uint32_t *) (n) = (m) #else #define ngx_m16toh(n) (n[0] | n[1] << 8) #define ngx_m24toh(n) (n[0] | n[1] << 8 | n[2] << 16) #define ngx_m32toh(n) (n[0] | n[1] << 8 | n[2] << 16 | n[3] << 24) #define ngx_htom16(n, m) (n)[0] = (u_char) (m); (n)[1] = (u_char) ((m) >> 8) #define ngx_htom24(n, m) (n)[0] = (u_char) ((m) & 0xff); \ (n)[1] = (u_char) (((m) >> 8) & 0xff); \ (n)[2] = (u_char) (((m) >> 16) & 0xff) #define ngx_htom32(n, m) (n)[0] = (u_char) ((m) & 0xff); \ (n)[1] = (u_char) (((m) >> 8) & 0xff); \ (n)[2] = (u_char) (((m) >> 16) & 0xff); \ (n)[3] = (u_char) (((m) >> 24) & 0xff) #endif ngx_int_t ngx_mysql_connect(ngx_mysql_t *m); ngx_int_t ngx_mysql_query(ngx_mysql_t *m); #endif /* _NGX_MYSQL_H_INCLUDED_ */