Sat, 26 Nov 2022 19:15:33 +0100
implement successor listener, fix webserver_reconfig
--- a/src/server/daemon/config.c Sat Nov 26 19:14:29 2022 +0100 +++ b/src/server/daemon/config.c Sat Nov 26 19:15:33 2022 +0100 @@ -349,6 +349,27 @@ return serverconfig; } +int migrate_server_conf(ServerConfiguration *old_cfg, ServerConfiguration *new_cfg) { + // compare old/new listeners and set next listener, if they are using + // the same socket + CxIterator old_listeners = cxListIterator(old_cfg->listeners, 0); + cx_foreach(HttpListener*, oldls, old_listeners) { + if(oldls->next) { + continue; + } + + CxIterator new_listeners = cxListIterator(new_cfg->listeners, 0); + cx_foreach(HttpListener*, newls, new_listeners) { + if(http_listener_socket_eq(oldls, newls)) { + oldls->next = newls; + break; + } + } + } + + return 0; +} + void cfg_ref(ServerConfiguration *cfg) { ws_atomic_inc32(&cfg->ref); }
--- a/src/server/daemon/config.h Sat Nov 26 19:14:29 2022 +0100 +++ b/src/server/daemon/config.h Sat Nov 26 19:15:33 2022 +0100 @@ -132,6 +132,8 @@ ServerConfiguration* load_server_conf(CfgManager *mgr, char *file); ServerConfiguration* apply_server_conf(CfgManager *mgr); +int migrate_server_conf(ServerConfiguration *old_cfg, ServerConfiguration *new_cfg); + void cfg_ref(ServerConfiguration *cfg); void cfg_unref(ServerConfiguration *cfg);
--- a/src/server/daemon/configmanager.c Sat Nov 26 19:14:29 2022 +0100 +++ b/src/server/daemon/configmanager.c Sat Nov 26 19:15:33 2022 +0100 @@ -65,17 +65,23 @@ } int cfgmgr_apply_config(CfgManager *mgr) { - int err = 0; - if(apply_server_conf(mgr)) { - if(current_config) { - cfg_unref(current_config); - } - current_config = mgr->cfg; - } else { - err = 1; + // stage 2 config loading + if(!apply_server_conf(mgr)) { + return 1; } - return err; + // some extra steps required if there is already a configuration loaded + if(current_config) { + if(migrate_server_conf(current_config, mgr->cfg)) { + return 1; + } + + cfg_unref(current_config); + } + + current_config = mgr->cfg; + + return 0; } ServerConfiguration *cfgmgr_get_server_config() {
--- a/src/server/daemon/event.c Sat Nov 26 19:14:29 2022 +0100 +++ b/src/server/daemon/event.c Sat Nov 26 19:15:33 2022 +0100 @@ -49,7 +49,7 @@ if(cxMapGet(event_handler_map, key)) { /* TODO: log message */ /* TODO: set reload status */ - return 1; + return 0; } /* create new handler */
--- a/src/server/daemon/httplistener.c Sat Nov 26 19:14:29 2022 +0100 +++ b/src/server/daemon/httplistener.c Sat Nov 26 19:15:33 2022 +0100 @@ -465,6 +465,24 @@ } } +int http_listener_socket_eq(HttpListener *l1, HttpListener *l2) { + if(l1->server_socket && l2->server_socket && l1->server_socket == l2->server_socket) { + return TRUE; + } + if(l1->server_socket6 && l2->server_socket6 && l1->server_socket6 == l2->server_socket6) { + return TRUE; + } + return FALSE; +} + +void http_listener_set_next(HttpListener *listener, HttpListener *next) { + while(listener->next) { + listener = listener->next; + } + + http_listener_ref(next); + listener->next = next; +} Acceptor* acceptor_new(HttpListener *listener) { @@ -522,6 +540,7 @@ server_socket, ca_ptr, &length); + log_ereport(LOG_DEBUG, "acceptor: %p listener: %p: accept(): %d", acceptor, acceptor->listener, clientfd); if (clientfd == -1) { log_ereport(LOG_FAILURE, "accept %s failed: %s", acceptor->ipv6 ? "ipv6" : "ipv4", strerror(errno)); continue; @@ -535,7 +554,7 @@ acceptor_exit = 1; } - /* create Connection object */ + // create Connection object Connection *conn = malloc(sizeof(Connection)); conn->address = ca; conn->addr_type = addr_type; @@ -571,13 +590,13 @@ if(conn) { cfg_ref(ls->cfg); - /* enqueue the connection */ + // enqueue the connection ls->session_handler->enqueue_connection( ls->session_handler, conn); } - /* ready for new connection */ + // ready for new connection if(acceptor_exit) { // this acceptor is outdated @@ -586,7 +605,9 @@ } } - http_listener_unref(listener->next); + if(listener->next) { + http_listener_unref(listener->next); + } http_listener_unref(listener); return NULL;
--- a/src/server/daemon/httplistener.h Sat Nov 26 19:14:29 2022 +0100 +++ b/src/server/daemon/httplistener.h Sat Nov 26 19:15:33 2022 +0100 @@ -80,7 +80,7 @@ struct _http_listener { ServerConfiguration *cfg; - cxmutstr name; + cxmutstr name; union vs default_vs; int port; WSSocket *server_socket; @@ -128,14 +128,21 @@ HttpListener* http_listener_create(ListenerConfig *conf); -// used by http_listener_create -HttpListener* http_listener_new(ListenerConfig *conf); - int http_listener_start(HttpListener *listener); void http_listener_ref(HttpListener *listener); void http_listener_unref(HttpListener *listener); +/* + * returns true of l1 and l2 share the same socket + */ +int http_listener_socket_eq(HttpListener *l1, HttpListener *l2); + +/* + * set the succeeding listener + */ +void http_listener_set_next(HttpListener *listener, HttpListener *next); + Acceptor* acceptor_new(HttpListener *listener); void acceptor_start(Acceptor *a);
--- a/src/server/daemon/webserver.c Sat Nov 26 19:14:29 2022 +0100 +++ b/src/server/daemon/webserver.c Sat Nov 26 19:15:33 2022 +0100 @@ -284,9 +284,17 @@ } int webserver_reconfig() { - if(cfgmgr_load_config(NULL) != 0) { - return -1; + CfgManager mgr; + if(cfgmgr_load_config(&mgr) != 0) { + log_ereport(LOG_FAILURE, "cannot reload server.conf"); + return 1; + } else { + if(cfgmgr_apply_config(&mgr)) { + log_ereport(LOG_FAILURE, "cannot reload config"); + return 1; + } } + // start newly created listeners start_all_listener();