From 54346b61f91008c5098243b588f184ad92ad29c9 Mon Sep 17 00:00:00 2001 From: Yu Ping Date: Fri, 21 Feb 2020 22:36:20 +0800 Subject: initial version of VSAP Signed-off-by: Yu Ping Change-Id: I04d9150f0c7607ba20de9096b452476eff1622fc --- nginx/src/event/ngx_event_pipe.h | 107 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 nginx/src/event/ngx_event_pipe.h (limited to 'nginx/src/event/ngx_event_pipe.h') diff --git a/nginx/src/event/ngx_event_pipe.h b/nginx/src/event/ngx_event_pipe.h new file mode 100644 index 0000000..10a3340 --- /dev/null +++ b/nginx/src/event/ngx_event_pipe.h @@ -0,0 +1,107 @@ + +/* + * Copyright (C) Igor Sysoev + * Copyright (C) Nginx, Inc. + */ + + +#ifndef _NGX_EVENT_PIPE_H_INCLUDED_ +#define _NGX_EVENT_PIPE_H_INCLUDED_ + + +#include +#include +#include + + +typedef struct ngx_event_pipe_s ngx_event_pipe_t; + +typedef ngx_int_t (*ngx_event_pipe_input_filter_pt)(ngx_event_pipe_t *p, + ngx_buf_t *buf); +typedef ngx_int_t (*ngx_event_pipe_output_filter_pt)(void *data, + ngx_chain_t *chain); + + +struct ngx_event_pipe_s { + ngx_connection_t *upstream; + ngx_connection_t *downstream; + + ngx_chain_t *free_raw_bufs; + ngx_chain_t *in; + ngx_chain_t **last_in; + + ngx_chain_t *writing; + + ngx_chain_t *out; + ngx_chain_t *free; + ngx_chain_t *busy; + + /* + * the input filter i.e. that moves HTTP/1.1 chunks + * from the raw bufs to an incoming chain + */ + + ngx_event_pipe_input_filter_pt input_filter; + void *input_ctx; + + ngx_event_pipe_output_filter_pt output_filter; + void *output_ctx; + +#if (NGX_THREADS || NGX_COMPAT) + ngx_int_t (*thread_handler)(ngx_thread_task_t *task, + ngx_file_t *file); + void *thread_ctx; + ngx_thread_task_t *thread_task; +#endif + + unsigned read:1; + unsigned cacheable:1; + unsigned single_buf:1; + unsigned free_bufs:1; + unsigned upstream_done:1; + unsigned upstream_error:1; + unsigned upstream_eof:1; + unsigned upstream_blocked:1; + unsigned downstream_done:1; + unsigned downstream_error:1; + unsigned cyclic_temp_file:1; + unsigned aio:1; + + ngx_int_t allocated; + ngx_bufs_t bufs; + ngx_buf_tag_t tag; + + ssize_t busy_size; + + off_t read_length; + off_t length; + + off_t max_temp_file_size; + ssize_t temp_file_write_size; + + ngx_msec_t read_timeout; + ngx_msec_t send_timeout; + ssize_t send_lowat; + + ngx_pool_t *pool; + ngx_log_t *log; + + ngx_chain_t *preread_bufs; + size_t preread_size; + ngx_buf_t *buf_to_file; + + size_t limit_rate; + time_t start_sec; + + ngx_temp_file_t *temp_file; + + /* STUB */ int num; +}; + + +ngx_int_t ngx_event_pipe(ngx_event_pipe_t *p, ngx_int_t do_write); +ngx_int_t ngx_event_pipe_copy_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf); +ngx_int_t ngx_event_pipe_add_free_buf(ngx_event_pipe_t *p, ngx_buf_t *b); + + +#endif /* _NGX_EVENT_PIPE_H_INCLUDED_ */ -- cgit 1.2.3-korg