Mercurial > hg > nginx
view src/event/ngx_event_connect.h @ 7349:f6047a579ca1
gRPC: improved keepalive handling.
The code is now able to parse additional control frames after
the response is received, and can send control frames as well.
This fixes keepalive problems as observed with grpc-c, which can
send window update and ping frames after the response, see
http://mailman.nginx.org/pipermail/nginx/2018-August/056620.html.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 03 Sep 2018 19:34:01 +0300 |
parents | e38e9c50a40e |
children | 8b68d50090e4 |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #ifndef _NGX_EVENT_CONNECT_H_INCLUDED_ #define _NGX_EVENT_CONNECT_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> #define NGX_PEER_KEEPALIVE 1 #define NGX_PEER_NEXT 2 #define NGX_PEER_FAILED 4 typedef struct ngx_peer_connection_s ngx_peer_connection_t; typedef ngx_int_t (*ngx_event_get_peer_pt)(ngx_peer_connection_t *pc, void *data); typedef void (*ngx_event_free_peer_pt)(ngx_peer_connection_t *pc, void *data, ngx_uint_t state); typedef void (*ngx_event_notify_peer_pt)(ngx_peer_connection_t *pc, void *data, ngx_uint_t type); typedef ngx_int_t (*ngx_event_set_peer_session_pt)(ngx_peer_connection_t *pc, void *data); typedef void (*ngx_event_save_peer_session_pt)(ngx_peer_connection_t *pc, void *data); struct ngx_peer_connection_s { ngx_connection_t *connection; struct sockaddr *sockaddr; socklen_t socklen; ngx_str_t *name; ngx_uint_t tries; ngx_msec_t start_time; ngx_event_get_peer_pt get; ngx_event_free_peer_pt free; ngx_event_notify_peer_pt notify; void *data; #if (NGX_SSL || NGX_COMPAT) ngx_event_set_peer_session_pt set_session; ngx_event_save_peer_session_pt save_session; #endif ngx_addr_t *local; int type; int rcvbuf; ngx_log_t *log; unsigned cached:1; unsigned transparent:1; /* ngx_connection_log_error_e */ unsigned log_error:2; NGX_COMPAT_BEGIN(2) NGX_COMPAT_END }; ngx_int_t ngx_event_connect_peer(ngx_peer_connection_t *pc); ngx_int_t ngx_event_get_peer(ngx_peer_connection_t *pc, void *data); #endif /* _NGX_EVENT_CONNECT_H_INCLUDED_ */