diff options
Diffstat (limited to 'bin/named/interfacemgr.c')
| -rw-r--r-- | bin/named/interfacemgr.c | 70 |
1 files changed, 49 insertions, 21 deletions
diff --git a/bin/named/interfacemgr.c b/bin/named/interfacemgr.c index 15ffe00..84bf21d 100644 --- a/bin/named/interfacemgr.c +++ b/bin/named/interfacemgr.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2009, 2011, 2013 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2009, 2011-2013 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,13 +15,14 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: interfacemgr.c,v 1.95.426.2 2011/03/12 04:59:14 tbox Exp $ */ +/* $Id: interfacemgr.c,v 1.101 2011/11/09 18:44:03 each Exp $ */ /*! \file */ #include <config.h> #include <isc/interfaceiter.h> +#include <isc/os.h> #include <isc/string.h> #include <isc/task.h> #include <isc/util.h> @@ -185,11 +186,14 @@ ns_interface_create(ns_interfacemgr_t *mgr, isc_sockaddr_t *addr, { ns_interface_t *ifp; isc_result_t result; + int disp; REQUIRE(NS_INTERFACEMGR_VALID(mgr)); + ifp = isc_mem_get(mgr->mctx, sizeof(*ifp)); if (ifp == NULL) return (ISC_R_NOMEMORY); + ifp->mgr = NULL; ifp->generation = mgr->generation; ifp->addr = *addr; @@ -212,9 +216,11 @@ ns_interface_create(ns_interfacemgr_t *mgr, isc_sockaddr_t *addr, goto clientmgr_create_failure; } - ifp->udpdispatch = NULL; + for (disp = 0; disp < MAX_UDP_DISPATCH; disp++) + ifp->udpdispatch[disp] = NULL; ifp->tcpsocket = NULL; + /* * Create a single TCP client object. It will replace itself * with a new one as soon as it gets a connection, so the actual @@ -223,6 +229,7 @@ ns_interface_create(ns_interfacemgr_t *mgr, isc_sockaddr_t *addr, */ ifp->ntcptarget = 1; ifp->ntcpcurrent = 0; + ifp->nudpdispatch = 0; ISC_LINK_INIT(ifp, link); @@ -237,6 +244,7 @@ ns_interface_create(ns_interfacemgr_t *mgr, isc_sockaddr_t *addr, clientmgr_create_failure: DESTROYLOCK(&ifp->lock); + lock_create_failure: ifp->magic = 0; isc_mem_put(mgr->mctx, ifp, sizeof(*ifp)); @@ -249,6 +257,7 @@ ns_interface_listenudp(ns_interface_t *ifp) { isc_result_t result; unsigned int attrs; unsigned int attrmask; + int disp, i; attrs = 0; attrs |= DNS_DISPATCHATTR_UDP; @@ -260,18 +269,28 @@ ns_interface_listenudp(ns_interface_t *ifp) { attrmask = 0; attrmask |= DNS_DISPATCHATTR_UDP | DNS_DISPATCHATTR_TCP; attrmask |= DNS_DISPATCHATTR_IPV4 | DNS_DISPATCHATTR_IPV6; - result = dns_dispatch_getudp(ifp->mgr->dispatchmgr, ns_g_socketmgr, - ns_g_taskmgr, &ifp->addr, - 4096, 1000, 32768, 8219, 8237, - attrs, attrmask, &ifp->udpdispatch); - if (result != ISC_R_SUCCESS) { - isc_log_write(IFMGR_COMMON_LOGARGS, ISC_LOG_ERROR, - "could not listen on UDP socket: %s", - isc_result_totext(result)); - goto udp_dispatch_failure; + + ifp->nudpdispatch = ISC_MIN(ns_g_udpdisp, MAX_UDP_DISPATCH); + for (disp = 0; disp < ifp->nudpdispatch; disp++) { + result = dns_dispatch_getudp_dup(ifp->mgr->dispatchmgr, + ns_g_socketmgr, + ns_g_taskmgr, &ifp->addr, + 4096, 1000, 32768, 8219, 8237, + attrs, attrmask, + &ifp->udpdispatch[disp], + disp == 0 + ? NULL + : ifp->udpdispatch[0]); + if (result != ISC_R_SUCCESS) { + isc_log_write(IFMGR_COMMON_LOGARGS, ISC_LOG_ERROR, + "could not listen on UDP socket: %s", + isc_result_totext(result)); + goto udp_dispatch_failure; + } + } - result = ns_clientmgr_createclients(ifp->clientmgr, ns_g_cpus, + result = ns_clientmgr_createclients(ifp->clientmgr, ifp->nudpdispatch, ifp, ISC_FALSE); if (result != ISC_R_SUCCESS) { UNEXPECTED_ERROR(__FILE__, __LINE__, @@ -279,12 +298,17 @@ ns_interface_listenudp(ns_interface_t *ifp) { isc_result_totext(result)); goto addtodispatch_failure; } + return (ISC_R_SUCCESS); addtodispatch_failure: - dns_dispatch_changeattributes(ifp->udpdispatch, 0, - DNS_DISPATCHATTR_NOLISTEN); - dns_dispatch_detach(&ifp->udpdispatch); + for (i = disp - 1; i <= 0; i--) { + dns_dispatch_changeattributes(ifp->udpdispatch[i], 0, + DNS_DISPATCHATTR_NOLISTEN); + dns_dispatch_detach(&(ifp->udpdispatch[i])); + } + ifp->nudpdispatch = 0; + udp_dispatch_failure: return (result); } @@ -398,15 +422,19 @@ ns_interface_shutdown(ns_interface_t *ifp) { static void ns_interface_destroy(ns_interface_t *ifp) { isc_mem_t *mctx = ifp->mgr->mctx; + int disp; + REQUIRE(NS_INTERFACE_VALID(ifp)); ns_interface_shutdown(ifp); - if (ifp->udpdispatch != NULL) { - dns_dispatch_changeattributes(ifp->udpdispatch, 0, - DNS_DISPATCHATTR_NOLISTEN); - dns_dispatch_detach(&ifp->udpdispatch); - } + for (disp = 0; disp < ifp->nudpdispatch; disp++) + if (ifp->udpdispatch[disp] != NULL) { + dns_dispatch_changeattributes(ifp->udpdispatch[disp], 0, + DNS_DISPATCHATTR_NOLISTEN); + dns_dispatch_detach(&(ifp->udpdispatch[disp])); + } + if (ifp->tcpsocket != NULL) isc_socket_detach(&ifp->tcpsocket); |
