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/*
* Copyright (C) Igor Sysoev
* Copyright (C) NGINX, Inc.
*/
#ifndef _NXT_HTTP_H_INCLUDED_
#define _NXT_HTTP_H_INCLUDED_
typedef enum {
NXT_HTTP_INVALID = 0,
NXT_HTTP_OK = 200,
NXT_HTTP_MULTIPLE_CHOICES = 300,
NXT_HTTP_MOVED_PERMANENTLY = 301,
NXT_HTTP_FOUND = 302,
NXT_HTTP_SEE_OTHER = 303,
NXT_HTTP_NOT_MODIFIED = 304,
NXT_HTTP_BAD_REQUEST = 400,
NXT_HTTP_REQUEST_TIMEOUT = 408,
NXT_HTTP_LENGTH_REQUIRED = 411,
NXT_HTTP_PAYLOAD_TOO_LARGE = 413,
NXT_HTTP_URI_TOO_LONG = 414,
NXT_HTTP_REQUEST_HEADER_FIELDS_TOO_LARGE = 431,
NXT_HTTP_INTERNAL_SERVER_ERROR = 500,
NXT_HTTP_NOT_IMPLEMENTED = 501,
NXT_HTTP_BAD_GATEWAY = 502,
NXT_HTTP_SERVICE_UNAVAILABLE = 503,
NXT_HTTP_GATEWAY_TIMEOUT = 504,
NXT_HTTP_VERSION_NOT_SUPPORTED = 505,
} nxt_http_status_t;
typedef enum {
NXT_HTTP_TE_NONE = 0,
NXT_HTTP_TE_CHUNKED = 1,
NXT_HTTP_TE_UNSUPPORTED = 2,
} nxt_http_te_t;
typedef struct {
nxt_work_handler_t ready_handler;
nxt_work_handler_t error_handler;
} nxt_http_request_state_t;
typedef struct {
nxt_http_request_parse_t parser;
uint8_t nbuffers;
uint8_t keepalive; /* 1 bit */
uint8_t chunked; /* 1 bit */
nxt_http_te_t transfer_encoding:8; /* 2 bits */
nxt_http_request_t *request;
nxt_buf_t *buffers;
/*
* All fields before the conn field will
* be zeroed in a keep-alive connection.
*/
nxt_conn_t *conn;
} nxt_h1proto_t;
typedef union {
void *any;
nxt_h1proto_t *h1;
} nxt_http_proto_t;
#define nxt_http_field_name_set(_field, _name) \
do { \
(_field)->name_length = sizeof(_name) - 1; \
(_field)->name = (u_char *) _name; \
} while (0)
#define nxt_http_field_set(_field, _name, _value) \
do { \
(_field)->name_length = sizeof(_name) - 1; \
(_field)->value_length = sizeof(_value) - 1; \
(_field)->name = (u_char *) _name; \
(_field)->value = (u_char *) _value; \
} while (0)
typedef struct {
nxt_list_t *fields;
nxt_http_field_t *date;
nxt_http_field_t *content_type;
nxt_http_field_t *content_length;
nxt_off_t content_length_n;
} nxt_http_response_t;
struct nxt_http_request_s {
nxt_http_proto_t proto;
nxt_socket_conf_t *socket_conf;
nxt_mp_t *mem_pool;
nxt_buf_t *body;
nxt_buf_t *out;
const nxt_http_request_state_t *state;
nxt_str_t target;
nxt_str_t version;
nxt_str_t *method;
nxt_str_t *path;
nxt_str_t *args;
nxt_list_t *fields;
nxt_http_field_t *host;
nxt_http_field_t *content_type;
nxt_http_field_t *content_length;
nxt_http_field_t *cookie;
nxt_off_t content_length_n;
nxt_sockaddr_t *remote;
nxt_sockaddr_t *local;
nxt_buf_t *last;
nxt_http_response_t resp;
nxt_http_status_t status:16;
uint8_t protocol; /* 2 bits */
uint8_t logged; /* 1 bit */
uint8_t header_sent; /* 1 bit */
uint8_t error; /* 1 bit */
};
typedef void (*nxt_http_proto_body_read_t)(nxt_task_t *task,
nxt_http_request_t *r);
typedef void (*nxt_http_proto_local_addr_t)(nxt_task_t *task,
nxt_http_request_t *r);
typedef void (*nxt_http_proto_header_send_t)(nxt_task_t *task,
nxt_http_request_t *r);
typedef void (*nxt_http_proto_send_t)(nxt_task_t *task, nxt_http_request_t *r,
nxt_buf_t *out);
typedef void (*nxt_http_proto_discard_t)(nxt_task_t *task,
nxt_http_request_t *r, nxt_buf_t *last);
typedef void (*nxt_http_proto_close_t)(nxt_task_t *task,
nxt_http_proto_t proto);
nxt_int_t nxt_http_init(nxt_task_t *task, nxt_runtime_t *rt);
nxt_int_t nxt_h1p_init(nxt_task_t *task, nxt_runtime_t *rt);
nxt_int_t nxt_http_response_hash_init(nxt_task_t *task, nxt_runtime_t *rt);
void nxt_http_conn_init(nxt_task_t *task, void *obj, void *data);
nxt_http_request_t *nxt_http_request_create(nxt_task_t *task);
void nxt_http_request_error(nxt_task_t *task, nxt_http_request_t *r,
nxt_http_status_t status);
void nxt_http_request_read_body(nxt_task_t *task, nxt_http_request_t *r);
void nxt_http_request_local_addr(nxt_task_t *task, nxt_http_request_t *r);
void nxt_http_request_header_send(nxt_task_t *task, nxt_http_request_t *r);
void nxt_http_request_send(nxt_task_t *task, nxt_http_request_t *r,
nxt_buf_t *out);
nxt_buf_t *nxt_http_buf_mem(nxt_task_t *task, nxt_http_request_t *r,
size_t size);
nxt_buf_t *nxt_http_buf_last(nxt_http_request_t *r);
void nxt_http_request_error_handler(nxt_task_t *task, void *obj, void *data);
void nxt_http_request_close_handler(nxt_task_t *task, void *obj, void *data);
nxt_int_t nxt_http_request_host(void *ctx, nxt_http_field_t *field,
uintptr_t data);
nxt_int_t nxt_http_request_field(void *ctx, nxt_http_field_t *field,
uintptr_t offset);
nxt_int_t nxt_http_request_content_length(void *ctx, nxt_http_field_t *field,
uintptr_t data);
extern nxt_lvlhsh_t nxt_response_fields_hash;
extern const nxt_conn_state_t nxt_router_conn_close_state;
extern const nxt_http_proto_body_read_t nxt_http_proto_body_read[];
extern const nxt_http_proto_local_addr_t nxt_http_proto_local_addr[];
extern const nxt_http_proto_header_send_t nxt_http_proto_header_send[];
extern const nxt_http_proto_send_t nxt_http_proto_send[];
extern const nxt_http_proto_discard_t nxt_http_proto_discard[];
extern const nxt_http_proto_close_t nxt_http_proto_close[];
#endif /* _NXT_HTTP_H_INCLUDED_ */
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