static char *
ngx_stream_return(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_stream_return_srv_conf_t *rscf = conf;
ngx_str_t *value;
ngx_stream_core_srv_conf_t *cscf;
ngx_stream_compile_complex_value_t ccv;
if (rscf->text.value.data) {
return "is duplicate";
}
value = cf->args->elts;
ngx_memzero(&ccv, sizeof(ngx_stream_compile_complex_value_t));
ccv.cf = cf;
ccv.value = &value[1];
ccv.complex_value = &rscf->text;
if (ngx_stream_compile_complex_value(&ccv) != NGX_OK) {
return NGX_CONF_ERROR;
}
cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module);
cscf->handler = ngx_stream_return_handler;
return NGX_CONF_OK;
}
static char *
ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_stream_proxy_srv_conf_t *pscf = conf;
ngx_url_t u;
ngx_str_t *value, *url;
ngx_stream_core_srv_conf_t *cscf;
if (pscf->upstream) {
return "is duplicate";
}
cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module);
cscf->handler = ngx_stream_proxy_handler;
value = cf->args->elts;
url = &value[1];
ngx_memzero(&u, sizeof(ngx_url_t));
u.url = *url;
u.no_resolve = 1;
pscf->upstream = ngx_stream_upstream_add(cf, &u, 0);
if (pscf->upstream == NULL) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
static char *conn_srv_game_srv(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_stream_core_srv_conf_t *cscf;
cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module);
cscf->handler = on_game_srv_connected;
return NGX_CONF_OK;
}
static char *
ngx_stream_hello(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_stream_hello_srv_conf_t *hscf;
ngx_str_t *value;
ngx_stream_core_srv_conf_t *cscf;
cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module);
cscf->handler = ngx_stream_hello_handler;
hscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_hello_module);
value = cf->args->elts;
hscf->hello = value[1];
return NGX_CONF_OK;
}
static char *
ngx_stream_upstream_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ssize_t size;
ngx_str_t *value;
ngx_stream_upstream_srv_conf_t *uscf;
ngx_stream_upstream_main_conf_t *umcf;
uscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_upstream_module);
umcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_upstream_module);
value = cf->args->elts;
if (!value[1].len) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid zone name \"%V\"", &value[1]);
return NGX_CONF_ERROR;
}
if (cf->args->nelts == 3) {
size = ngx_parse_size(&value[2]);
if (size == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid zone size \"%V\"", &value[2]);
return NGX_CONF_ERROR;
}
if (size < (ssize_t) (8 * ngx_pagesize)) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"zone \"%V\" is too small", &value[1]);
return NGX_CONF_ERROR;
}
} else {
size = 0;
}
uscf->shm_zone = ngx_shared_memory_add(cf, &value[1], size,
&ngx_stream_upstream_module);
if (uscf->shm_zone == NULL) {
return NGX_CONF_ERROR;
}
uscf->shm_zone->init = ngx_stream_upstream_init_zone;
uscf->shm_zone->data = umcf;
uscf->shm_zone->noreuse = 1;
return NGX_CONF_OK;
}
static char *
ngx_stream_upstream_least_conn(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_stream_upstream_srv_conf_t *uscf;
uscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_upstream_module);
if (uscf->peer.init_upstream)
{
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
"load balancing method redefined");
}
uscf->peer.init_upstream = ngx_stream_upstream_init_least_conn;
uscf->flags = NGX_STREAM_UPSTREAM_CREATE
| NGX_STREAM_UPSTREAM_WEIGHT
| NGX_STREAM_UPSTREAM_MAX_FAILS
| NGX_STREAM_UPSTREAM_FAIL_TIMEOUT
| NGX_STREAM_UPSTREAM_DOWN
| NGX_STREAM_UPSTREAM_BACKUP;
return NGX_CONF_OK;
}
static char *
ngx_stream_app(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
// ngx_conf_t pcf;
char *rv;
ngx_stream_core_srv_conf_t *cscf;
cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module);
cscf->handler = ngx_stream_app_handler;
return NGX_CONF_OK;
/*
pcf = *cf;
cf->cmd_type = NGX_STREAM_APP_CONF;
rv = ngx_conf_parse(cf, NULL);
*cf = pcf;
char *rv;
void *mconf;
ngx_uint_t m;
ngx_conf_t pcf;
ngx_stream_module_t *module;
ngx_stream_conf_ctx_t *ctx, *stream_ctx;
ngx_stream_app_srv_conf_t *ascf, **ascfp;
ngx_stream_core_main_conf_t *cmcf;
ngx_stream_core_srv_conf_t *cscf;
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_stream_conf_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
stream_ctx = cf->ctx;
ctx->main_conf = stream_ctx->main_conf;
ctx->srv_conf = ngx_pcalloc(cf->pool,
sizeof(void *) * ngx_stream_max_module);
if (ctx->srv_conf == NULL) {
return NGX_CONF_ERROR;
}
for (m = 0; ngx_modules[m]; m++) {
if (ngx_modules[m]->type != NGX_STREAM_MODULE) {
continue;
}
module = ngx_modules[m]->ctx;
if (module->create_srv_conf) {
mconf = module->create_srv_conf(cf);
if (mconf == NULL) {
return NGX_CONF_ERROR;
}
ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf;
}
}
ascf = ctx->srv_conf[ngx_stream_app_module.ctx_index];
ascf->ctx = ctx;
cmcf = ctx->main_conf[ngx_stream_core_module.ctx_index];
ascfp = ngx_array_push(&cmcf->servers);
if (ascfp == NULL) {
return NGX_CONF_ERROR;
}
*ascfp = ascf;
cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module);
cscf->handler = ngx_stream_app_handler;
pcf = *cf;
cf->ctx = ctx;
cf->cmd_type = NGX_STREAM_APP_CONF;
rv = ngx_conf_parse(cf, NULL);
*cf = pcf;
*/
return rv;
}
static char *
ngx_stream_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_stream_core_srv_conf_t *cscf = conf;
ngx_str_t *value, size;
ngx_url_t u;
ngx_uint_t i, n, backlog;
ngx_stream_listen_t *ls, *als;
ngx_stream_core_main_conf_t *cmcf;
cscf->listen = 1;
value = cf->args->elts;
ngx_memzero(&u, sizeof(ngx_url_t));
u.url = value[1];
u.listen = 1;
if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
if (u.err) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%s in \"%V\" of the \"listen\" directive",
u.err, &u.url);
}
return NGX_CONF_ERROR;
}
cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module);
ls = ngx_array_push_n(&cmcf->listen, u.naddrs);
if (ls == NULL) {
return NGX_CONF_ERROR;
}
ngx_memzero(ls, sizeof(ngx_stream_listen_t));
ls->backlog = NGX_LISTEN_BACKLOG;
ls->rcvbuf = -1;
ls->sndbuf = -1;
ls->type = SOCK_STREAM;
ls->ctx = cf->ctx;
#if (NGX_HAVE_INET6)
ls->ipv6only = 1;
#endif
backlog = 0;
for (i = 2; i < cf->args->nelts; i++) {
#if !(NGX_WIN32)
if (ngx_strcmp(value[i].data, "udp") == 0) {
ls->type = SOCK_DGRAM;
continue;
}
#endif
if (ngx_strcmp(value[i].data, "bind") == 0) {
ls->bind = 1;
continue;
}
if (ngx_strncmp(value[i].data, "backlog=", 8) == 0) {
ls->backlog = ngx_atoi(value[i].data + 8, value[i].len - 8);
ls->bind = 1;
if (ls->backlog == NGX_ERROR || ls->backlog == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid backlog \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
backlog = 1;
continue;
}
if (ngx_strncmp(value[i].data, "rcvbuf=", 7) == 0) {
size.len = value[i].len - 7;
size.data = value[i].data + 7;
ls->rcvbuf = ngx_parse_size(&size);
ls->bind = 1;
if (ls->rcvbuf == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid rcvbuf \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strncmp(value[i].data, "sndbuf=", 7) == 0) {
size.len = value[i].len - 7;
size.data = value[i].data + 7;
ls->sndbuf = ngx_parse_size(&size);
ls->bind = 1;
if (ls->sndbuf == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid sndbuf \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strncmp(value[i].data, "ipv6only=o", 10) == 0) {
#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
if (ngx_strcmp(&value[i].data[10], "n") == 0) {
ls->ipv6only = 1;
} else if (ngx_strcmp(&value[i].data[10], "ff") == 0) {
ls->ipv6only = 0;
} else {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid ipv6only flags \"%s\"",
&value[i].data[9]);
return NGX_CONF_ERROR;
}
ls->bind = 1;
continue;
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"bind ipv6only is not supported "
"on this platform");
return NGX_CONF_ERROR;
#endif
}
if (ngx_strcmp(value[i].data, "reuseport") == 0) {
#if (NGX_HAVE_REUSEPORT)
ls->reuseport = 1;
ls->bind = 1;
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"reuseport is not supported "
"on this platform, ignored");
#endif
continue;
}
if (ngx_strcmp(value[i].data, "ssl") == 0) {
#if (NGX_STREAM_SSL)
ngx_stream_ssl_conf_t *sslcf;
sslcf = ngx_stream_conf_get_module_srv_conf(cf,
ngx_stream_ssl_module);
sslcf->listen = 1;
sslcf->file = cf->conf_file->file.name.data;
sslcf->line = cf->conf_file->line;
ls->ssl = 1;
continue;
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the \"ssl\" parameter requires "
"ngx_stream_ssl_module");
return NGX_CONF_ERROR;
#endif
}
if (ngx_strncmp(value[i].data, "so_keepalive=", 13) == 0) {
if (ngx_strcmp(&value[i].data[13], "on") == 0) {
ls->so_keepalive = 1;
} else if (ngx_strcmp(&value[i].data[13], "off") == 0) {
ls->so_keepalive = 2;
} else {
#if (NGX_HAVE_KEEPALIVE_TUNABLE)
u_char *p, *end;
ngx_str_t s;
end = value[i].data + value[i].len;
s.data = value[i].data + 13;
p = ngx_strlchr(s.data, end, ':');
if (p == NULL) {
p = end;
}
if (p > s.data) {
s.len = p - s.data;
ls->tcp_keepidle = ngx_parse_time(&s, 1);
if (ls->tcp_keepidle == (time_t) NGX_ERROR) {
goto invalid_so_keepalive;
}
}
s.data = (p < end) ? (p + 1) : end;
p = ngx_strlchr(s.data, end, ':');
if (p == NULL) {
p = end;
}
if (p > s.data) {
s.len = p - s.data;
ls->tcp_keepintvl = ngx_parse_time(&s, 1);
if (ls->tcp_keepintvl == (time_t) NGX_ERROR) {
goto invalid_so_keepalive;
}
}
s.data = (p < end) ? (p + 1) : end;
if (s.data < end) {
s.len = end - s.data;
ls->tcp_keepcnt = ngx_atoi(s.data, s.len);
if (ls->tcp_keepcnt == NGX_ERROR) {
goto invalid_so_keepalive;
}
}
if (ls->tcp_keepidle == 0 && ls->tcp_keepintvl == 0
&& ls->tcp_keepcnt == 0)
{
goto invalid_so_keepalive;
}
ls->so_keepalive = 1;
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the \"so_keepalive\" parameter accepts "
"only \"on\" or \"off\" on this platform");
return NGX_CONF_ERROR;
#endif
}
ls->bind = 1;
continue;
#if (NGX_HAVE_KEEPALIVE_TUNABLE)
invalid_so_keepalive:
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid so_keepalive value: \"%s\"",
&value[i].data[13]);
return NGX_CONF_ERROR;
#endif
}
if (ngx_strcmp(value[i].data, "proxy_protocol") == 0) {
ls->proxy_protocol = 1;
continue;
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the invalid \"%V\" parameter", &value[i]);
return NGX_CONF_ERROR;
}
if (ls->type == SOCK_DGRAM) {
if (backlog) {
return "\"backlog\" parameter is incompatible with \"udp\"";
}
#if (NGX_STREAM_SSL)
if (ls->ssl) {
return "\"ssl\" parameter is incompatible with \"udp\"";
}
#endif
if (ls->so_keepalive) {
return "\"so_keepalive\" parameter is incompatible with \"udp\"";
}
if (ls->proxy_protocol) {
return "\"proxy_protocol\" parameter is incompatible with \"udp\"";
}
}
als = cmcf->listen.elts;
for (n = 0; n < u.naddrs; n++) {
ls[n] = ls[0];
ls[n].sockaddr = u.addrs[n].sockaddr;
ls[n].socklen = u.addrs[n].socklen;
ls[n].addr_text = u.addrs[n].name;
ls[n].wildcard = ngx_inet_wildcard(ls[n].sockaddr);
for (i = 0; i < cmcf->listen.nelts - u.naddrs + n; i++) {
if (ls[n].type != als[i].type) {
continue;
}
if (ngx_cmp_sockaddr(als[i].sockaddr, als[i].socklen,
ls[n].sockaddr, ls[n].socklen, 1)
!= NGX_OK)
{
continue;
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"duplicate \"%V\" address and port pair",
&ls[n].addr_text);
return NGX_CONF_ERROR;
}
}
return NGX_CONF_OK;
}
