diff options
Diffstat (limited to 'app/nginx/src/stream/ngx_stream_core_module.c')
| -rw-r--r-- | app/nginx/src/stream/ngx_stream_core_module.c | 888 |
1 files changed, 0 insertions, 888 deletions
diff --git a/app/nginx/src/stream/ngx_stream_core_module.c b/app/nginx/src/stream/ngx_stream_core_module.c deleted file mode 100644 index f7870ee..0000000 --- a/app/nginx/src/stream/ngx_stream_core_module.c +++ /dev/null @@ -1,888 +0,0 @@ - -/* - * Copyright (C) Roman Arutyunyan - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_stream.h> - - -static ngx_int_t ngx_stream_core_preconfiguration(ngx_conf_t *cf); -static void *ngx_stream_core_create_main_conf(ngx_conf_t *cf); -static char *ngx_stream_core_init_main_conf(ngx_conf_t *cf, void *conf); -static void *ngx_stream_core_create_srv_conf(ngx_conf_t *cf); -static char *ngx_stream_core_merge_srv_conf(ngx_conf_t *cf, void *parent, - void *child); -static char *ngx_stream_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_stream_core_server(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_stream_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_stream_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_command_t ngx_stream_core_commands[] = { - - { ngx_string("variables_hash_max_size"), - NGX_STREAM_MAIN_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_STREAM_MAIN_CONF_OFFSET, - offsetof(ngx_stream_core_main_conf_t, variables_hash_max_size), - NULL }, - - { ngx_string("variables_hash_bucket_size"), - NGX_STREAM_MAIN_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_STREAM_MAIN_CONF_OFFSET, - offsetof(ngx_stream_core_main_conf_t, variables_hash_bucket_size), - NULL }, - - { ngx_string("server"), - NGX_STREAM_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, - ngx_stream_core_server, - 0, - 0, - NULL }, - - { ngx_string("listen"), - NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, - ngx_stream_core_listen, - NGX_STREAM_SRV_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("error_log"), - NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, - ngx_stream_core_error_log, - NGX_STREAM_SRV_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("resolver"), - NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, - ngx_stream_core_resolver, - NGX_STREAM_SRV_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("resolver_timeout"), - NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_STREAM_SRV_CONF_OFFSET, - offsetof(ngx_stream_core_srv_conf_t, resolver_timeout), - NULL }, - - { ngx_string("proxy_protocol_timeout"), - NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_STREAM_SRV_CONF_OFFSET, - offsetof(ngx_stream_core_srv_conf_t, proxy_protocol_timeout), - NULL }, - - { ngx_string("tcp_nodelay"), - NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_STREAM_SRV_CONF_OFFSET, - offsetof(ngx_stream_core_srv_conf_t, tcp_nodelay), - NULL }, - - { ngx_string("preread_buffer_size"), - NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_STREAM_SRV_CONF_OFFSET, - offsetof(ngx_stream_core_srv_conf_t, preread_buffer_size), - NULL }, - - { ngx_string("preread_timeout"), - NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_STREAM_SRV_CONF_OFFSET, - offsetof(ngx_stream_core_srv_conf_t, preread_timeout), - NULL }, - - ngx_null_command -}; - - -static ngx_stream_module_t ngx_stream_core_module_ctx = { - ngx_stream_core_preconfiguration, /* preconfiguration */ - NULL, /* postconfiguration */ - - ngx_stream_core_create_main_conf, /* create main configuration */ - ngx_stream_core_init_main_conf, /* init main configuration */ - - ngx_stream_core_create_srv_conf, /* create server configuration */ - ngx_stream_core_merge_srv_conf /* merge server configuration */ -}; - - -ngx_module_t ngx_stream_core_module = { - NGX_MODULE_V1, - &ngx_stream_core_module_ctx, /* module context */ - ngx_stream_core_commands, /* module directives */ - NGX_STREAM_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -void -ngx_stream_core_run_phases(ngx_stream_session_t *s) -{ - ngx_int_t rc; - ngx_stream_phase_handler_t *ph; - ngx_stream_core_main_conf_t *cmcf; - - cmcf = ngx_stream_get_module_main_conf(s, ngx_stream_core_module); - - ph = cmcf->phase_engine.handlers; - - while (ph[s->phase_handler].checker) { - - rc = ph[s->phase_handler].checker(s, &ph[s->phase_handler]); - - if (rc == NGX_OK) { - return; - } - } -} - - -ngx_int_t -ngx_stream_core_generic_phase(ngx_stream_session_t *s, - ngx_stream_phase_handler_t *ph) -{ - ngx_int_t rc; - - /* - * generic phase checker, - * used by all phases, except for preread and content - */ - - ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, - "generic phase: %ui", s->phase_handler); - - rc = ph->handler(s); - - if (rc == NGX_OK) { - s->phase_handler = ph->next; - return NGX_AGAIN; - } - - if (rc == NGX_DECLINED) { - s->phase_handler++; - return NGX_AGAIN; - } - - if (rc == NGX_AGAIN || rc == NGX_DONE) { - return NGX_OK; - } - - if (rc == NGX_ERROR) { - rc = NGX_STREAM_INTERNAL_SERVER_ERROR; - } - - ngx_stream_finalize_session(s, rc); - - return NGX_OK; -} - - -ngx_int_t -ngx_stream_core_preread_phase(ngx_stream_session_t *s, - ngx_stream_phase_handler_t *ph) -{ - size_t size; - ssize_t n; - ngx_int_t rc; - ngx_connection_t *c; - ngx_stream_core_srv_conf_t *cscf; - - c = s->connection; - - c->log->action = "prereading client data"; - - cscf = ngx_stream_get_module_srv_conf(s, ngx_stream_core_module); - - if (c->read->timedout) { - rc = NGX_STREAM_OK; - - } else if (c->read->timer_set) { - rc = NGX_AGAIN; - - } else { - rc = ph->handler(s); - } - - while (rc == NGX_AGAIN) { - - if (c->buffer == NULL) { - c->buffer = ngx_create_temp_buf(c->pool, cscf->preread_buffer_size); - if (c->buffer == NULL) { - rc = NGX_ERROR; - break; - } - } - - size = c->buffer->end - c->buffer->last; - - if (size == 0) { - ngx_log_error(NGX_LOG_ERR, c->log, 0, "preread buffer full"); - rc = NGX_STREAM_BAD_REQUEST; - break; - } - - if (c->read->eof) { - rc = NGX_STREAM_OK; - break; - } - - if (!c->read->ready) { - if (ngx_handle_read_event(c->read, 0) != NGX_OK) { - rc = NGX_ERROR; - break; - } - - if (!c->read->timer_set) { - ngx_add_timer(c->read, cscf->preread_timeout); - } - - c->read->handler = ngx_stream_session_handler; - - return NGX_OK; - } - - n = c->recv(c, c->buffer->last, size); - - if (n == NGX_ERROR) { - rc = NGX_STREAM_OK; - break; - } - - if (n > 0) { - c->buffer->last += n; - } - - rc = ph->handler(s); - } - - if (c->read->timer_set) { - ngx_del_timer(c->read); - } - - if (rc == NGX_OK) { - s->phase_handler = ph->next; - return NGX_AGAIN; - } - - if (rc == NGX_DECLINED) { - s->phase_handler++; - return NGX_AGAIN; - } - - if (rc == NGX_DONE) { - return NGX_OK; - } - - if (rc == NGX_ERROR) { - rc = NGX_STREAM_INTERNAL_SERVER_ERROR; - } - - ngx_stream_finalize_session(s, rc); - - return NGX_OK; -} - - -ngx_int_t -ngx_stream_core_content_phase(ngx_stream_session_t *s, - ngx_stream_phase_handler_t *ph) -{ - int tcp_nodelay; - ngx_connection_t *c; - ngx_stream_core_srv_conf_t *cscf; - - c = s->connection; - - c->log->action = NULL; - - cscf = ngx_stream_get_module_srv_conf(s, ngx_stream_core_module); - - if (c->type == SOCK_STREAM - && cscf->tcp_nodelay - && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) - { - ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, "tcp_nodelay"); - - tcp_nodelay = 1; - - if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, - (const void *) &tcp_nodelay, sizeof(int)) == -1) - { - ngx_connection_error(c, ngx_socket_errno, - "setsockopt(TCP_NODELAY) failed"); - ngx_stream_finalize_session(s, NGX_STREAM_INTERNAL_SERVER_ERROR); - return NGX_OK; - } - - c->tcp_nodelay = NGX_TCP_NODELAY_SET; - } - - cscf->handler(s); - - return NGX_OK; -} - - -static ngx_int_t -ngx_stream_core_preconfiguration(ngx_conf_t *cf) -{ - return ngx_stream_variables_add_core_vars(cf); -} - - -static void * -ngx_stream_core_create_main_conf(ngx_conf_t *cf) -{ - ngx_stream_core_main_conf_t *cmcf; - - cmcf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_core_main_conf_t)); - if (cmcf == NULL) { - return NULL; - } - - if (ngx_array_init(&cmcf->servers, cf->pool, 4, - sizeof(ngx_stream_core_srv_conf_t *)) - != NGX_OK) - { - return NULL; - } - - if (ngx_array_init(&cmcf->listen, cf->pool, 4, sizeof(ngx_stream_listen_t)) - != NGX_OK) - { - return NULL; - } - - cmcf->variables_hash_max_size = NGX_CONF_UNSET_UINT; - cmcf->variables_hash_bucket_size = NGX_CONF_UNSET_UINT; - - return cmcf; -} - - -static char * -ngx_stream_core_init_main_conf(ngx_conf_t *cf, void *conf) -{ - ngx_stream_core_main_conf_t *cmcf = conf; - - ngx_conf_init_uint_value(cmcf->variables_hash_max_size, 1024); - ngx_conf_init_uint_value(cmcf->variables_hash_bucket_size, 64); - - cmcf->variables_hash_bucket_size = - ngx_align(cmcf->variables_hash_bucket_size, ngx_cacheline_size); - - if (cmcf->ncaptures) { - cmcf->ncaptures = (cmcf->ncaptures + 1) * 3; - } - - return NGX_CONF_OK; -} - - -static void * -ngx_stream_core_create_srv_conf(ngx_conf_t *cf) -{ - ngx_stream_core_srv_conf_t *cscf; - - cscf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_core_srv_conf_t)); - if (cscf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * cscf->handler = NULL; - * cscf->error_log = NULL; - */ - - cscf->file_name = cf->conf_file->file.name.data; - cscf->line = cf->conf_file->line; - cscf->resolver_timeout = NGX_CONF_UNSET_MSEC; - cscf->proxy_protocol_timeout = NGX_CONF_UNSET_MSEC; - cscf->tcp_nodelay = NGX_CONF_UNSET; - cscf->preread_buffer_size = NGX_CONF_UNSET_SIZE; - cscf->preread_timeout = NGX_CONF_UNSET_MSEC; - - return cscf; -} - - -static char * -ngx_stream_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_stream_core_srv_conf_t *prev = parent; - ngx_stream_core_srv_conf_t *conf = child; - - ngx_conf_merge_msec_value(conf->resolver_timeout, - prev->resolver_timeout, 30000); - - if (conf->resolver == NULL) { - - if (prev->resolver == NULL) { - - /* - * create dummy resolver in stream {} context - * to inherit it in all servers - */ - - prev->resolver = ngx_resolver_create(cf, NULL, 0); - if (prev->resolver == NULL) { - return NGX_CONF_ERROR; - } - } - - conf->resolver = prev->resolver; - } - - if (conf->handler == NULL) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no handler for server in %s:%ui", - conf->file_name, conf->line); - return NGX_CONF_ERROR; - } - - if (conf->error_log == NULL) { - if (prev->error_log) { - conf->error_log = prev->error_log; - } else { - conf->error_log = &cf->cycle->new_log; - } - } - - ngx_conf_merge_msec_value(conf->proxy_protocol_timeout, - prev->proxy_protocol_timeout, 30000); - - ngx_conf_merge_value(conf->tcp_nodelay, prev->tcp_nodelay, 1); - - ngx_conf_merge_size_value(conf->preread_buffer_size, - prev->preread_buffer_size, 16384); - - ngx_conf_merge_msec_value(conf->preread_timeout, - prev->preread_timeout, 30000); - - return NGX_CONF_OK; -} - - -static char * -ngx_stream_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_stream_core_srv_conf_t *cscf = conf; - - return ngx_log_set_log(cf, &cscf->error_log); -} - - -static char * -ngx_stream_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - 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_core_srv_conf_t *cscf, **cscfp; - ngx_stream_core_main_conf_t *cmcf; - - 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; - - /* the server{}'s srv_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; cf->cycle->modules[m]; m++) { - if (cf->cycle->modules[m]->type != NGX_STREAM_MODULE) { - continue; - } - - module = cf->cycle->modules[m]->ctx; - - if (module->create_srv_conf) { - mconf = module->create_srv_conf(cf); - if (mconf == NULL) { - return NGX_CONF_ERROR; - } - - ctx->srv_conf[cf->cycle->modules[m]->ctx_index] = mconf; - } - } - - /* the server configuration context */ - - cscf = ctx->srv_conf[ngx_stream_core_module.ctx_index]; - cscf->ctx = ctx; - - cmcf = ctx->main_conf[ngx_stream_core_module.ctx_index]; - - cscfp = ngx_array_push(&cmcf->servers); - if (cscfp == NULL) { - return NGX_CONF_ERROR; - } - - *cscfp = cscf; - - - /* parse inside server{} */ - - pcf = *cf; - cf->ctx = ctx; - cf->cmd_type = NGX_STREAM_SRV_CONF; - - rv = ngx_conf_parse(cf, NULL); - - *cf = pcf; - - if (rv == NGX_CONF_OK && !cscf->listen) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"listen\" is defined for server in %s:%ui", - cscf->file_name, cscf->line); - return NGX_CONF_ERROR; - } - - 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; - ngx_url_t u; - ngx_uint_t i, 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(&cmcf->listen); - if (ls == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(ls, sizeof(ngx_stream_listen_t)); - - ngx_memcpy(&ls->sockaddr.sockaddr, &u.sockaddr, u.socklen); - - ls->socklen = u.socklen; - ls->backlog = NGX_LISTEN_BACKLOG; - ls->type = SOCK_STREAM; - ls->wildcard = u.wildcard; - 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, "ipv6only=o", 10) == 0) { -#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) - size_t len; - u_char buf[NGX_SOCKADDR_STRLEN]; - - if (ls->sockaddr.sockaddr.sa_family == AF_INET6) { - - 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; - - } else { - len = ngx_sock_ntop(&ls->sockaddr.sockaddr, ls->socklen, buf, - NGX_SOCKADDR_STRLEN, 1); - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "ipv6only is not supported " - "on addr \"%*s\", ignored", len, buf); - } - - 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) - 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 (i = 0; i < cmcf->listen.nelts - 1; i++) { - if (ls->type != als[i].type) { - continue; - } - - if (ngx_cmp_sockaddr(&als[i].sockaddr.sockaddr, als[i].socklen, - &ls->sockaddr.sockaddr, ls->socklen, 1) - != NGX_OK) - { - continue; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "duplicate \"%V\" address and port pair", &u.url); - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_stream_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_stream_core_srv_conf_t *cscf = conf; - - ngx_str_t *value; - - if (cscf->resolver) { - return "is duplicate"; - } - - value = cf->args->elts; - - cscf->resolver = ngx_resolver_create(cf, &value[1], cf->args->nelts - 1); - if (cscf->resolver == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} |