static ngx_int_t
ngx_tcp_init_listening(ngx_conf_t *cf, ngx_tcp_conf_port_t *tport)
{
ngx_uint_t i, last, bind_wildcard;
ngx_listening_t *ls;
ngx_tcp_port_t *port;
ngx_tcp_conf_addr_t *addr;
addr = tport->addrs.elts;
last = tport->addrs.nelts;
/*
* If there is a binding to an "*:port" then we need to bind() to
* the "*:port" only and ignore other implicit bindings. The bindings
* have been already sorted: explicit bindings are on the start, then
* implicit bindings go, and wildcard binding is in the end.
*/
if (addr[last - 1].wildcard) {
addr[last - 1].bind = 1;
bind_wildcard = 1;
} else {
bind_wildcard = 0;
}
i = 0;
while (i < last) {
if (bind_wildcard && !addr[i].bind) {
i++;
continue;
}
ls = ngx_tcp_add_listening(cf, &addr[i]);
if (ls == NULL) {
return NGX_ERROR;
}
port = ngx_pcalloc(cf->pool, sizeof(ngx_tcp_port_t));
if (port == NULL) {
return NGX_ERROR;
}
ls->servers = port;
if (i == last - 1) {
port->naddrs = last;
} else {
port->naddrs = 1;
i = 0;
}
switch (ls->sockaddr->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
if (ngx_tcp_add_addrs6(cf, port, addr) != NGX_OK) {
return NGX_ERROR;
}
break;
#endif
default: /* AF_INET */
if (ngx_tcp_add_addrs(cf, port, addr) != NGX_OK) {
return NGX_ERROR;
}
break;
}
addr++;
last--;
}
return NGX_OK;
}
static char *
ngx_tcp_optimize_servers(ngx_conf_t *cf, ngx_array_t *ports)
{
ngx_uint_t i, p, last, bind_wildcard;
ngx_listening_t *ls;
ngx_tcp_port_t *mport;
ngx_tcp_conf_port_t *port;
ngx_tcp_conf_addr_t *addr;
port = ports->elts;
for (p = 0; p < ports->nelts; p++) {
ngx_sort(port[p].addrs.elts, (size_t) port[p].addrs.nelts,
sizeof(ngx_tcp_conf_addr_t), ngx_tcp_cmp_conf_addrs);
addr = port[p].addrs.elts;
last = port[p].addrs.nelts;
/*
* if there is the binding to the "*:port" then we need to bind()
* to the "*:port" only and ignore the other bindings
*/
if (addr[last - 1].wildcard) {
addr[last - 1].bind = 1;
bind_wildcard = 1;
} else {
bind_wildcard = 0;
}
i = 0;
while (i < last) {
ngx_tcp_core_main_conf_t *cmcf;
ngx_tcp_core_srv_conf_t *cscf;
if (bind_wildcard && !addr[i].bind) {
i++;
continue;
}
cmcf = addr[i].ctx->main_conf[ngx_tcp_core_module.ctx_index];
cscf = addr[i].ctx->srv_conf[ngx_tcp_core_module.ctx_index];
ls = ngx_create_listening(cf, addr[i].sockaddr, addr[i].socklen);
if (ls == NULL) {
return NGX_CONF_ERROR;
}
ls->addr_ntop = 1;
ls->handler = ngx_tcp_init_connection;
ls->pool_size = cscf->connection_pool_size;
if (cmcf->error_log == NULL) {
ls->logp = &cf->cycle->new_log;
} else {
ls->logp = cmcf->error_log;
}
ls->log.data = &ls->addr_text;
ls->log.handler = ngx_accept_log_error;
ls->keepalive = addr[i].so_keepalive;
#if (NGX_HAVE_KEEPALIVE_TUNABLE)
ls->keepidle = addr[i].tcp_keepidle;
ls->keepintvl = addr[i].tcp_keepintvl;
ls->keepcnt = addr[i].tcp_keepcnt;
#endif
#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
ls->ipv6only = addr[i].ipv6only;
#endif
mport = ngx_palloc(cf->pool, sizeof(ngx_tcp_port_t));
if (mport == NULL) {
return NGX_CONF_ERROR;
}
ls->servers = mport;
if (i == last - 1) {
mport->naddrs = last;
} else {
mport->naddrs = 1;
i = 0;
}
switch (ls->sockaddr->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
if (ngx_tcp_add_addrs6(cf, mport, addr) != NGX_OK) {
return NGX_CONF_ERROR;
}
break;
#endif
default: /* AF_INET */
if (ngx_tcp_add_addrs(cf, mport, addr) != NGX_OK) {
return NGX_CONF_ERROR;
}
break;
}
addr++;
last--;
}
}
return NGX_CONF_OK;
}
