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http listen unix domain sockets

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This commit is contained in:
Igor Sysoev 2009-10-26 11:43:32 +00:00
parent 657b3b7f7d
commit baf8e409ba
6 changed files with 90 additions and 19 deletions
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45
src/core/ngx_connection.c
View File

@ -15,6 +15,7 @@ ngx_os_io_t ngx_io;
ngx_listening_t *
ngx_create_listening(ngx_conf_t *cf, void *sockaddr, socklen_t socklen)
{
size_t len;
ngx_listening_t *ls;
struct sockaddr *sa;
u_char text[NGX_SOCKADDR_STRLEN];
@ -36,23 +37,20 @@ ngx_create_listening(ngx_conf_t *cf, void *sockaddr, socklen_t socklen)
ls->sockaddr = sa;
ls->socklen = socklen;
ls->addr_text.len = ngx_sock_ntop(sa, text, NGX_SOCKADDR_STRLEN, 1);
ls->addr_text.data = ngx_pnalloc(cf->pool, ls->addr_text.len);
if (ls->addr_text.data == NULL) {
return NULL;
}
ngx_memcpy(ls->addr_text.data, text, ls->addr_text.len);
ls->fd = (ngx_socket_t) -1;
ls->type = SOCK_STREAM;
len = ngx_sock_ntop(sa, text, NGX_SOCKADDR_STRLEN, 1);
ls->addr_text.len = len;
switch (ls->sockaddr->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
ls->addr_text_max_len = NGX_INET6_ADDRSTRLEN;
break;
#endif
#if (NGX_HAVE_UNIX_DOMAIN)
case AF_UNIX:
ls->addr_text_max_len = NGX_UNIX_ADDRSTRLEN;
len++;
break;
#endif
case AF_INET:
ls->addr_text_max_len = NGX_INET_ADDRSTRLEN;
@ -62,6 +60,16 @@ ngx_create_listening(ngx_conf_t *cf, void *sockaddr, socklen_t socklen)
break;
}
ls->addr_text.data = ngx_pnalloc(cf->pool, len);
if (ls->addr_text.data == NULL) {
return NULL;
}
ngx_memcpy(ls->addr_text.data, text, len);
ls->fd = (ngx_socket_t) -1;
ls->type = SOCK_STREAM;
ls->backlog = NGX_LISTEN_BACKLOG;
ls->rcvbuf = -1;
ls->sndbuf = -1;
@ -604,6 +612,21 @@ ngx_close_listening_sockets(ngx_cycle_t *cycle)
ngx_close_socket_n " %V failed", &ls[i].addr_text);
}
#if (NGX_HAVE_UNIX_DOMAIN)
if (ls[i].sockaddr->sa_family == AF_UNIX
&& ngx_process != NGX_PROCESS_WORKER)
{
u_char *name = ls[i].addr_text.data + sizeof("unix:") - 1;
if (ngx_delete_file(name) == -1) {
ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
ngx_delete_file_n " %s failed", name);
}
}
#endif
ls[i].fd = (ngx_socket_t) -1;
}
}

14
src/core/ngx_inet.c
View File

@ -68,6 +68,9 @@ ngx_sock_ntop(struct sockaddr *sa, u_char *text, size_t len, ngx_uint_t port)
size_t n;
struct sockaddr_in6 *sin6;
#endif
#if (NGX_HAVE_UNIX_DOMAIN)
struct sockaddr_un *saun;
#endif
switch (sa->sa_family) {
@ -108,6 +111,17 @@ ngx_sock_ntop(struct sockaddr *sa, u_char *text, size_t len, ngx_uint_t port)
return n;
#endif
#if (NGX_HAVE_UNIX_DOMAIN)
case AF_UNIX:
saun = (struct sockaddr_un *) sa;
/* we do not include trailing zero in address length */
return ngx_snprintf(text, len, "unix:%s%Z", saun->sun_path) - text - 1;
#endif
default:
return 0;
}

21
src/core/ngx_inet.h
View File

@ -12,21 +12,26 @@
#include <ngx_core.h>
#define NGX_INET_ADDRSTRLEN (sizeof("255.255.255.255") - 1)
#define NGX_INET6_ADDRSTRLEN \
(sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255") - 1)
#define NGX_SOCKADDR_STRLEN (NGX_INET6_ADDRSTRLEN + sizeof(":65535") - 1)
/*
* TODO: autoconfigure NGX_SOCKADDRLEN as
* TODO: autoconfigure NGX_SOCKADDRLEN and NGX_SOCKADDR_STRLEN as
* sizeof(struct sockaddr_storage)
* sizeof(struct sockaddr_un)
* sizeof(struct sockaddr_in6)
* sizeof(struct sockaddr_in)
*/
#define NGX_INET_ADDRSTRLEN (sizeof("255.255.255.255") - 1)
#define NGX_INET6_ADDRSTRLEN \
(sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255") - 1)
#define NGX_UNIX_ADDRSTRLEN \
(sizeof(struct sockaddr_un) - offsetof(struct sockaddr_un, sun_path))
#if (NGX_HAVE_UNIX_DOMAIN)
#define NGX_SOCKADDR_STRLEN (sizeof("unix:") - 1 + NGX_UNIX_ADDRSTRLEN)
#else
#define NGX_SOCKADDR_STRLEN (NGX_INET6_ADDRSTRLEN + sizeof(":65535") - 1)
#endif
#if (NGX_HAVE_UNIX_DOMAIN)
#define NGX_SOCKADDRLEN sizeof(struct sockaddr_un)
#else

11
src/event/ngx_event_accept.c
View File

@ -156,6 +156,17 @@ ngx_event_accept(ngx_event_t *ev)
c->unexpected_eof = 1;
#if (NGX_HAVE_UNIX_DOMAIN)
if (c->sockaddr->sa_family == AF_UNIX) {
c->tcp_nopush = NGX_TCP_NOPUSH_DISABLED;
c->tcp_nodelay = NGX_TCP_NODELAY_DISABLED;
#if (NGX_SOLARIS)
/* Solaris's sendfilev() supports AF_NCA, AF_INET, and AF_INET6 */
c->sendfile = 0;
#endif
}
#endif
rev = c->read;
wev = c->write;

16
src/http/ngx_http.c
View File

@ -1128,6 +1128,12 @@ ngx_http_add_listen(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
break;
#endif
#if (NGX_HAVE_UNIX_DOMAIN)
case AF_UNIX:
p = 0;
break;
#endif
default: /* AF_INET */
sin = (struct sockaddr_in *) sa;
p = sin->sin_port;
@ -1170,6 +1176,9 @@ ngx_http_add_addresses(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
ngx_uint_t i, default_server;
struct sockaddr *sa;
ngx_http_conf_addr_t *addr;
#if (NGX_HAVE_UNIX_DOMAIN)
struct sockaddr_un *saun;
#endif
/*
* we can not compare whole sockaddr struct's as kernel
@ -1187,6 +1196,13 @@ ngx_http_add_addresses(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
break;
#endif
#if (NGX_HAVE_UNIX_DOMAIN)
case AF_UNIX:
off = offsetof(struct sockaddr_un, sun_path);
len = sizeof(saun->sun_path);
break;
#endif
default: /* AF_INET */
off = offsetof(struct sockaddr_in, sin_addr);
len = 4;

2
src/os/unix/ngx_process_cycle.c
View File

@ -675,6 +675,8 @@ ngx_master_process_exit(ngx_cycle_t *cycle)
}
}
ngx_close_listening_sockets(cycle);
/*
* Copy ngx_cycle->log related data to the special static exit cycle,
* log, and log file structures enough to allow a signal handler to log.