1275970Scy/* 2275970Scy * Copyright (C) 2009, 2011, 2012 Internet Systems Consortium, Inc. ("ISC") 3275970Scy * 4275970Scy * Permission to use, copy, modify, and/or distribute this software for any 5275970Scy * purpose with or without fee is hereby granted, provided that the above 6275970Scy * copyright notice and this permission notice appear in all copies. 7275970Scy * 8275970Scy * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 9275970Scy * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 10275970Scy * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 11275970Scy * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 12275970Scy * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 13275970Scy * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 14275970Scy * PERFORMANCE OF THIS SOFTWARE. 15275970Scy */ 16275970Scy 17275970Scy/* $Id$ */ 18275970Scy 19275970Scy#include <config.h> 20275970Scy 21275970Scy#include <isc/app.h> 22275970Scy#include <isc/magic.h> 23275970Scy#include <isc/mutex.h> 24275970Scy#include <isc/once.h> 25275970Scy#include <isc/socket.h> 26275970Scy#include <isc/util.h> 27275970Scy 28275970Scystatic isc_mutex_t createlock; 29275970Scystatic isc_once_t once = ISC_ONCE_INIT; 30275970Scystatic isc_socketmgrcreatefunc_t socketmgr_createfunc = NULL; 31275970Scy 32275970Scystatic void 33275970Scyinitialize(void) { 34275970Scy RUNTIME_CHECK(isc_mutex_init(&createlock) == ISC_R_SUCCESS); 35275970Scy} 36275970Scy 37275970Scyisc_result_t 38275970Scyisc_socket_register(isc_socketmgrcreatefunc_t createfunc) { 39275970Scy isc_result_t result = ISC_R_SUCCESS; 40275970Scy 41275970Scy RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS); 42275970Scy 43275970Scy LOCK(&createlock); 44275970Scy if (socketmgr_createfunc == NULL) 45275970Scy socketmgr_createfunc = createfunc; 46275970Scy else 47275970Scy result = ISC_R_EXISTS; 48275970Scy UNLOCK(&createlock); 49275970Scy 50275970Scy return (result); 51275970Scy} 52275970Scy 53275970Scyisc_result_t 54275970Scyisc_socketmgr_createinctx(isc_mem_t *mctx, isc_appctx_t *actx, 55275970Scy isc_socketmgr_t **managerp) 56275970Scy{ 57275970Scy isc_result_t result; 58275970Scy 59275970Scy LOCK(&createlock); 60275970Scy 61275970Scy REQUIRE(socketmgr_createfunc != NULL); 62275970Scy result = (*socketmgr_createfunc)(mctx, managerp); 63275970Scy 64275970Scy UNLOCK(&createlock); 65275970Scy 66275970Scy if (result == ISC_R_SUCCESS) 67275970Scy isc_appctx_setsocketmgr(actx, *managerp); 68275970Scy 69275970Scy return (result); 70275970Scy} 71275970Scy 72275970Scyisc_result_t 73275970Scyisc_socketmgr_create(isc_mem_t *mctx, isc_socketmgr_t **managerp) { 74275970Scy isc_result_t result; 75275970Scy 76275970Scy LOCK(&createlock); 77275970Scy 78275970Scy REQUIRE(socketmgr_createfunc != NULL); 79275970Scy result = (*socketmgr_createfunc)(mctx, managerp); 80275970Scy 81275970Scy UNLOCK(&createlock); 82275970Scy 83275970Scy return (result); 84275970Scy} 85275970Scy 86275970Scyvoid 87275970Scyisc_socketmgr_destroy(isc_socketmgr_t **managerp) { 88275970Scy REQUIRE(managerp != NULL && ISCAPI_SOCKETMGR_VALID(*managerp)); 89275970Scy 90275970Scy (*managerp)->methods->destroy(managerp); 91275970Scy 92275970Scy ENSURE(*managerp == NULL); 93275970Scy} 94275970Scy 95275970Scyisc_result_t 96275970Scyisc_socket_create(isc_socketmgr_t *manager, int pf, isc_sockettype_t type, 97275970Scy isc_socket_t **socketp) 98275970Scy{ 99275970Scy REQUIRE(ISCAPI_SOCKETMGR_VALID(manager)); 100275970Scy 101275970Scy return (manager->methods->socketcreate(manager, pf, type, socketp)); 102275970Scy} 103275970Scy 104275970Scyvoid 105275970Scyisc_socket_attach(isc_socket_t *sock, isc_socket_t **socketp) { 106275970Scy REQUIRE(ISCAPI_SOCKET_VALID(sock)); 107275970Scy REQUIRE(socketp != NULL && *socketp == NULL); 108275970Scy 109275970Scy sock->methods->attach(sock, socketp); 110275970Scy 111275970Scy ENSURE(*socketp == sock); 112275970Scy} 113275970Scy 114275970Scyvoid 115275970Scyisc_socket_detach(isc_socket_t **socketp) { 116275970Scy REQUIRE(socketp != NULL && ISCAPI_SOCKET_VALID(*socketp)); 117275970Scy 118275970Scy (*socketp)->methods->detach(socketp); 119275970Scy 120275970Scy ENSURE(*socketp == NULL); 121275970Scy} 122275970Scy 123275970Scyisc_result_t 124275970Scyisc_socket_bind(isc_socket_t *sock, isc_sockaddr_t *sockaddr, 125275970Scy unsigned int options) 126275970Scy{ 127275970Scy REQUIRE(ISCAPI_SOCKET_VALID(sock)); 128275970Scy 129275970Scy return (sock->methods->bind(sock, sockaddr, options)); 130275970Scy} 131275970Scy 132275970Scyisc_result_t 133275970Scyisc_socket_sendto(isc_socket_t *sock, isc_region_t *region, isc_task_t *task, 134275970Scy isc_taskaction_t action, const void *arg, 135275970Scy isc_sockaddr_t *address, struct in6_pktinfo *pktinfo) 136275970Scy{ 137275970Scy REQUIRE(ISCAPI_SOCKET_VALID(sock)); 138275970Scy 139275970Scy return (sock->methods->sendto(sock, region, task, action, arg, address, 140275970Scy pktinfo)); 141275970Scy} 142275970Scy 143275970Scyisc_result_t 144275970Scyisc_socket_connect(isc_socket_t *sock, isc_sockaddr_t *addr, isc_task_t *task, 145275970Scy isc_taskaction_t action, const void *arg) 146275970Scy{ 147275970Scy REQUIRE(ISCAPI_SOCKET_VALID(sock)); 148275970Scy 149275970Scy return (sock->methods->connect(sock, addr, task, action, arg)); 150275970Scy} 151275970Scy 152275970Scyisc_result_t 153275970Scyisc_socket_recv(isc_socket_t *sock, isc_region_t *region, unsigned int minimum, 154275970Scy isc_task_t *task, isc_taskaction_t action, const void *arg) 155275970Scy{ 156275970Scy REQUIRE(ISCAPI_SOCKET_VALID(sock)); 157275970Scy 158275970Scy return (sock->methods->recv(sock, region, minimum, task, action, arg)); 159275970Scy} 160275970Scy 161275970Scyvoid 162275970Scyisc_socket_cancel(isc_socket_t *sock, isc_task_t *task, unsigned int how) { 163275970Scy REQUIRE(ISCAPI_SOCKET_VALID(sock)); 164275970Scy 165275970Scy sock->methods->cancel(sock, task, how); 166275970Scy} 167275970Scy 168275970Scyisc_result_t 169275970Scyisc_socket_getsockname(isc_socket_t *sock, isc_sockaddr_t *addressp) { 170275970Scy REQUIRE(ISCAPI_SOCKET_VALID(sock)); 171275970Scy 172275970Scy return (sock->methods->getsockname(sock, addressp)); 173275970Scy} 174275970Scy 175275970Scyvoid 176275970Scyisc_socket_ipv6only(isc_socket_t *sock, isc_boolean_t yes) { 177275970Scy REQUIRE(ISCAPI_SOCKET_VALID(sock)); 178275970Scy 179275970Scy sock->methods->ipv6only(sock, yes); 180275970Scy} 181275970Scy 182275970Scyisc_sockettype_t 183275970Scyisc_socket_gettype(isc_socket_t *sock) { 184275970Scy REQUIRE(ISCAPI_SOCKET_VALID(sock)); 185275970Scy 186275970Scy return (sock->methods->gettype(sock)); 187275970Scy} 188275970Scy 189275970Scyvoid 190275970Scyisc_socket_setname(isc_socket_t *socket, const char *name, void *tag) { 191275970Scy REQUIRE(ISCAPI_SOCKET_VALID(socket)); 192275970Scy 193275970Scy UNUSED(socket); /* in case REQUIRE() is empty */ 194275970Scy UNUSED(name); 195275970Scy UNUSED(tag); 196275970Scy} 197275970Scy 198275970Scyisc_result_t 199275970Scyisc_socket_fdwatchcreate(isc_socketmgr_t *manager, int fd, int flags, 200275970Scy isc_sockfdwatch_t callback, void *cbarg, 201275970Scy isc_task_t *task, isc_socket_t **socketp) 202275970Scy{ 203275970Scy REQUIRE(ISCAPI_SOCKETMGR_VALID(manager)); 204275970Scy 205275970Scy return (manager->methods->fdwatchcreate(manager, fd, flags, 206275970Scy callback, cbarg, task, 207275970Scy socketp)); 208275970Scy} 209275970Scy 210275970Scyisc_result_t 211275970Scyisc_socket_fdwatchpoke(isc_socket_t *sock, int flags) 212275970Scy{ 213275970Scy REQUIRE(ISCAPI_SOCKET_VALID(sock)); 214275970Scy 215275970Scy return(sock->methods->fdwatchpoke(sock, flags)); 216275970Scy} 217275970Scy 218275970Scyisc_result_t 219275970Scyisc_socket_dup(isc_socket_t *sock, isc_socket_t **socketp) { 220275970Scy REQUIRE(ISCAPI_SOCKET_VALID(sock)); 221275970Scy REQUIRE(socketp != NULL && *socketp == NULL); 222275970Scy 223275970Scy return(sock->methods->dup(sock, socketp)); 224275970Scy} 225275970Scy 226275970Scyint 227275970Scyisc_socket_getfd(isc_socket_t *sock) { 228275970Scy REQUIRE(ISCAPI_SOCKET_VALID(sock)); 229275970Scy 230275970Scy return(sock->methods->getfd(sock)); 231275970Scy} 232