view src/mysql/ngx_mysql.h @ 3435:d65ba5392f59 stable-0.7

merge r3138, r3139, r3157, r3158, r3159, r3164, r3165, r3202, r3203, r3383, r3388, r3417, r3418: Win32 (mostly) and some Unix file related fixes: *) preserve errno while ngx_free() *) win32 ngx_file_info() utf8 support *) delete Win95 code *) log file name for read/write errors *) test incomplete WriteFile() *) handle short pwrite() to log an error cause: ENOSPC, EDQUOT, or EFBIG *) uniform ngx_directio_on/off() interface with other file functions *) do not create Win32 drive letter in ngx_create_full_path() *) ignore EACCES errors for top level directories in ngx_create_full_path() *) fix Win32 error messages when an temporary file replaces an existent file: *) do not rename an already renamed file *) now ngx_win32_rename_file() returns error code *) do not log failure inside ngx_win32_rename_file() *) fix Win32 error message when an temporary file replaces an existent file: return at once if ngx_win32_rename_file() was not failed and do not try to delete already the renamed temporary file *) skip URI trailing spaces under Win32 *) disable Win32 short file names
author Igor Sysoev <igor@sysoev.ru>
date Mon, 01 Feb 2010 15:06:25 +0000
parents 7cbef16c71a1
children d620f497c50f
line wrap: on
line source


/*
 * Copyright (C) Igor Sysoev
 */


#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_ */