/*
* Copyright (C) Yichun Zhang (agentzh)
*/
#ifndef _NGX_HTTP_LUA_SOCKET_TCP_H_INCLUDED_
#define _NGX_HTTP_LUA_SOCKET_TCP_H_INCLUDED_
#include "ngx_http_lua_common.h"
#define NGX_HTTP_LUA_SOCKET_FT_ERROR 0x0001
#define NGX_HTTP_LUA_SOCKET_FT_TIMEOUT 0x0002
#define NGX_HTTP_LUA_SOCKET_FT_CLOSED 0x0004
#define NGX_HTTP_LUA_SOCKET_FT_RESOLVER 0x0008
#define NGX_HTTP_LUA_SOCKET_FT_BUFTOOSMALL 0x0010
#define NGX_HTTP_LUA_SOCKET_FT_NOMEM 0x0020
#define NGX_HTTP_LUA_SOCKET_FT_PARTIALWRITE 0x0040
#define NGX_HTTP_LUA_SOCKET_FT_CLIENTABORT 0x0080
#define NGX_HTTP_LUA_SOCKET_FT_SSL 0x0100
typedef struct ngx_http_lua_socket_tcp_upstream_s
ngx_http_lua_socket_tcp_upstream_t;
typedef
int (*ngx_http_lua_socket_tcp_retval_handler)(ngx_http_request_t *r,
ngx_http_lua_socket_tcp_upstream_t *u, lua_State *L);
typedef void (*ngx_http_lua_socket_tcp_upstream_handler_pt)
(ngx_http_request_t *r, ngx_http_lua_socket_tcp_upstream_t *u);
typedef struct {
lua_State *lua_vm;
/* active connections == out-of-pool reused connections
* + in-pool connections */
ngx_uint_t active_connections;
/* queues of ngx_http_lua_socket_pool_item_t: */
ngx_queue_t cache;
ngx_queue_t free;
u_char key[1];
} ngx_http_lua_socket_pool_t;
struct ngx_http_lua_socket_tcp_upstream_s {
ngx_http_lua_socket_tcp_retval_handler read_prepare_retvals;
ngx_http_lua_socket_tcp_retval_handler write_prepare_retvals;
ngx_http_lua_socket_tcp_upstream_handler_pt read_event_handler;
ngx_http_lua_socket_tcp_upstream_handler_pt write_event_handler;
ngx_http_lua_socket_pool_t *socket_pool;
ngx_http_lua_loc_conf_t *conf;
ngx_http_cleanup_pt *cleanup;
ngx_http_request_t *request;
ngx_peer_connection_t peer;
ngx_msec_t read_timeout;
ngx_msec_t send_timeout;
ngx_msec_t connect_timeout;
ngx_http_upstream_resolved_t *resolved;
ngx_chain_t *bufs_in; /* input data buffers */
ngx_chain_t *buf_in; /* last input data buffer */
ngx_buf_t buffer; /* receive buffer */
size_t length;
size_t rest;
ngx_err_t socket_errno;
ngx_int_t (*input_filter)(void *data, ssize_t bytes);
void *input_filter_ctx;
size_t request_len;
ngx_chain_t *request_bufs;
ngx_http_lua_co_ctx_t *read_co_ctx;
ngx_http_lua_co_ctx_t *write_co_ctx;
ngx_uint_t reused;
#if (NGX_HTTP_SSL)
ngx_str_t ssl_name;
#endif
unsigned ft_type:16;
unsigned no_close:1;
unsigned conn_waiting:1;
unsigned read_waiting:1;
unsigned write_waiting:1;
unsigned eof:1;
unsigned body_downstream:1;
unsigned raw_downstream:1;
unsigned read_closed:1;
unsigned write_closed:1;
#if (NGX_HTTP_SSL)
unsigned ssl_verify:1;
unsigned ssl_session_reuse:1;
#endif
};
typedef struct ngx_http_lua_dfa_edge_s ngx_http_lua_dfa_edge_t;
struct ngx_http_lua_dfa_edge_s {
u_char chr;
int new_state;
ngx_http_lua_dfa_edge_t *next;
};
typedef struct {
ngx_http_lua_socket_tcp_upstream_t *upstream;
ngx_str_t pattern;
int state;
ngx_http_lua_dfa_edge_t **recovering;
unsigned inclusive:1;
} ngx_http_lua_socket_compiled_pattern_t;
typedef struct {
ngx_http_lua_socket_pool_t *socket_pool;
ngx_queue_t queue;
ngx_connection_t *connection;
socklen_t socklen;
struct sockaddr_storage sockaddr;
ngx_uint_t reused;
} ngx_http_lua_socket_pool_item_t;
void ngx_http_lua_inject_socket_tcp_api(ngx_log_t *log, lua_State *L);
void ngx_http_lua_inject_req_socket_api(lua_State *L);
void ngx_http_lua_cleanup_conn_pools(lua_State *L);
#endif /* _NGX_HTTP_LUA_SOCKET_TCP_H_INCLUDED_ */
/* vi:set ft=c ts=4 sw=4 et fdm=marker: */