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Stream: the "accept_filter" parameter of the "listen" directive.

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The FreeBSD accept filters support.
This commit is contained in:
Sergey Kandaurov 2024-03-22 14:53:19 +04:00
parent 03eba69013
commit 04b9bfe55d
3 changed files with 28 additions and 0 deletions
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4
src/stream/ngx_stream.c
View File

@ -1021,6 +1021,10 @@ ngx_stream_add_listening(ngx_conf_t *cf, ngx_stream_conf_addr_t *addr)
ls->keepcnt = addr->opt.tcp_keepcnt;
#endif
#if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
ls->accept_filter = addr->opt.accept_filter;
#endif
#if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
ls->deferred_accept = addr->opt.deferred_accept;
#endif

4
src/stream/ngx_stream.h
View File

@ -70,6 +70,10 @@ typedef struct {
int tcp_keepintvl;
int tcp_keepcnt;
#endif
#if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
char *accept_filter;
#endif
} ngx_stream_listen_opt_t;

20
src/stream/ngx_stream_core_module.c
View File

@ -1015,6 +1015,20 @@ ngx_stream_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
continue;
}
if (ngx_strncmp(value[i].data, "accept_filter=", 14) == 0) {
#if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
lsopt.accept_filter = (char *) &value[i].data[14];
lsopt.set = 1;
lsopt.bind = 1;
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"accept filters \"%V\" are not supported "
"on this platform, ignored",
&value[i]);
#endif
continue;
}
if (ngx_strcmp(value[i].data, "deferred") == 0) {
#if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
lsopt.deferred_accept = 1;
@ -1186,6 +1200,12 @@ ngx_stream_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
return "\"backlog\" parameter is incompatible with \"udp\"";
}
#if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
if (lsopt.accept_filter) {
return "\"accept_filter\" parameter is incompatible with \"udp\"";
}
#endif
#if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
if (lsopt.deferred_accept) {
return "\"deferred\" parameter is incompatible with \"udp\"";