view src/core/ngx_syslog.h @ 9146:f3412ec3b6d1

QUIC: allowed ngx_quic_frame_sendto() to return NGX_AGAIN. Previously, NGX_AGAIN returned by ngx_quic_send() was treated by ngx_quic_frame_sendto() as error, which triggered errors in its callers. However, a blocked socket is not an error. Now NGX_AGAIN is passed as is to the ngx_quic_frame_sendto() callers, which can safely ignore it.
author Roman Arutyunyan <arut@nginx.com>
date Tue, 08 Aug 2023 10:43:17 +0400
parents 8771d35d55d0
children 1c9264603adc
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/*
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_SYSLOG_H_INCLUDED_
#define _NGX_SYSLOG_H_INCLUDED_


typedef struct {
    ngx_uint_t         facility;
    ngx_uint_t         severity;
    ngx_str_t          tag;

    ngx_str_t         *hostname;

    ngx_addr_t         server;
    ngx_connection_t   conn;

    ngx_log_t          log;
    ngx_log_t         *logp;

    unsigned           busy:1;
    unsigned           nohostname:1;
} ngx_syslog_peer_t;


char *ngx_syslog_process_conf(ngx_conf_t *cf, ngx_syslog_peer_t *peer);
u_char *ngx_syslog_add_header(ngx_syslog_peer_t *peer, u_char *buf);
void ngx_syslog_writer(ngx_log_t *log, ngx_uint_t level, u_char *buf,
    size_t len);
ssize_t ngx_syslog_send(ngx_syslog_peer_t *peer, u_char *buf, size_t len);


#endif /* _NGX_SYSLOG_H_INCLUDED_ */