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/*
* Copyright (C) Igor Sysoev
* Copyright (C) NGINX, Inc.
*/
#ifndef _NXT_FASTCGI_SOURCE_H_INCLUDED_
#define _NXT_FASTCGI_SOURCE_H_INCLUDED_
#define NXT_FASTCGI_BEGIN_REQUEST 1
#define NXT_FASTCGI_ABORT_REQUEST 2
#define NXT_FASTCGI_END_REQUEST 3
#define NXT_FASTCGI_PARAMS 4
#define NXT_FASTCGI_STDIN 5
#define NXT_FASTCGI_STDOUT 6
#define NXT_FASTCGI_STDERR 7
#define NXT_FASTCGI_DATA 8
typedef struct nxt_fastcgi_parse_s nxt_fastcgi_parse_t;
struct nxt_fastcgi_parse_s {
u_char *pos;
uint16_t length; /* 16 bits */
uint8_t padding;
uint8_t type;
uint8_t state;
uint8_t fastcgi_error; /* 1 bit */
uint8_t error; /* 1 bit */
uint8_t done; /* 1 bit */
/* FastCGI stdout and stderr buffer chains. */
nxt_buf_t *out[2];
nxt_buf_t *(*last_buf)(nxt_fastcgi_parse_t *fp);
void *data;
nxt_mp_t *mem_pool;
};
typedef struct {
nxt_fastcgi_parse_t parse;
nxt_source_hook_t next;
} nxt_fastcgi_source_record_t;
typedef struct {
nxt_str_t name;
nxt_str_t value;
uintptr_t data[3];
} nxt_fastcgi_source_request_t;
typedef struct nxt_fastcgi_source_s nxt_fastcgi_source_t;
typedef nxt_int_t (*nxt_fastcgi_source_request_create_t)(
nxt_fastcgi_source_t *fs);
struct nxt_fastcgi_source_s {
nxt_source_hook_t query;
nxt_source_hook_t *next;
nxt_upstream_source_t *upstream;
nxt_fastcgi_source_request_create_t request_create;
nxt_upstream_header_in_t header_in;
nxt_buf_t *rest;
uint32_t state; /* 2 bits */
nxt_fastcgi_source_record_t record;
union {
nxt_fastcgi_source_request_t request;
} u;
};
NXT_EXPORT void nxt_fastcgi_source_handler(nxt_task_t *task,
nxt_upstream_source_t *us,
nxt_fastcgi_source_request_create_t request_create);
NXT_EXPORT nxt_int_t nxt_fastcgi_source_hash_create(nxt_mp_t *mp,
nxt_lvlhsh_t *lh);
void nxt_fastcgi_record_parse(nxt_task_t *task, nxt_fastcgi_parse_t *fp,
nxt_buf_t *in);
#endif /* _NXT_FASTCGI_SOURCE_H_INCLUDED_ */
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