142281ac9SMark McLoughlin /* 242281ac9SMark McLoughlin * QEMU System Emulator 342281ac9SMark McLoughlin * 442281ac9SMark McLoughlin * Copyright (c) 2003-2008 Fabrice Bellard 542281ac9SMark McLoughlin * 642281ac9SMark McLoughlin * Permission is hereby granted, free of charge, to any person obtaining a copy 742281ac9SMark McLoughlin * of this software and associated documentation files (the "Software"), to deal 842281ac9SMark McLoughlin * in the Software without restriction, including without limitation the rights 942281ac9SMark McLoughlin * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 1042281ac9SMark McLoughlin * copies of the Software, and to permit persons to whom the Software is 1142281ac9SMark McLoughlin * furnished to do so, subject to the following conditions: 1242281ac9SMark McLoughlin * 1342281ac9SMark McLoughlin * The above copyright notice and this permission notice shall be included in 1442281ac9SMark McLoughlin * all copies or substantial portions of the Software. 1542281ac9SMark McLoughlin * 1642281ac9SMark McLoughlin * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1742281ac9SMark McLoughlin * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 1842281ac9SMark McLoughlin * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 1942281ac9SMark McLoughlin * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 2042281ac9SMark McLoughlin * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 2142281ac9SMark McLoughlin * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 2242281ac9SMark McLoughlin * THE SOFTWARE. 2342281ac9SMark McLoughlin */ 242744d920SPeter Maydell #include "qemu/osdep.h" 2542281ac9SMark McLoughlin 261422e32dSPaolo Bonzini #include "net/net.h" 27a245fc18SPaolo Bonzini #include "clients.h" 2883c9089eSPaolo Bonzini #include "monitor/monitor.h" 29da34e65cSMarkus Armbruster #include "qapi/error.h" 3042281ac9SMark McLoughlin #include "qemu-common.h" 311de7afc9SPaolo Bonzini #include "qemu/error-report.h" 321de7afc9SPaolo Bonzini #include "qemu/option.h" 331de7afc9SPaolo Bonzini #include "qemu/sockets.h" 341de7afc9SPaolo Bonzini #include "qemu/iov.h" 356a1751b7SAlex Bligh #include "qemu/main-loop.h" 3642281ac9SMark McLoughlin 3742281ac9SMark McLoughlin typedef struct NetSocketState { 384e68f7a0SStefan Hajnoczi NetClientState nc; 39011de2b5SZhi Yong Wu int listen_fd; 4042281ac9SMark McLoughlin int fd; 4116a3df40SZhang Chen SocketReadState rs; 4245a7f54aSStefan Hajnoczi unsigned int send_index; /* number of bytes sent (only SOCK_STREAM) */ 4342281ac9SMark McLoughlin struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ 44863f678fSStefan Hajnoczi IOHandler *send_fn; /* differs between SOCK_STREAM/SOCK_DGRAM */ 45863f678fSStefan Hajnoczi bool read_poll; /* waiting to receive data? */ 46863f678fSStefan Hajnoczi bool write_poll; /* waiting to transmit data? */ 4742281ac9SMark McLoughlin } NetSocketState; 4842281ac9SMark McLoughlin 49011de2b5SZhi Yong Wu static void net_socket_accept(void *opaque); 50863f678fSStefan Hajnoczi static void net_socket_writable(void *opaque); 51863f678fSStefan Hajnoczi 52863f678fSStefan Hajnoczi static void net_socket_update_fd_handler(NetSocketState *s) 53863f678fSStefan Hajnoczi { 5482e1cc4bSFam Zheng qemu_set_fd_handler(s->fd, 55863f678fSStefan Hajnoczi s->read_poll ? s->send_fn : NULL, 56863f678fSStefan Hajnoczi s->write_poll ? net_socket_writable : NULL, 57863f678fSStefan Hajnoczi s); 58863f678fSStefan Hajnoczi } 59863f678fSStefan Hajnoczi 60863f678fSStefan Hajnoczi static void net_socket_read_poll(NetSocketState *s, bool enable) 61863f678fSStefan Hajnoczi { 62863f678fSStefan Hajnoczi s->read_poll = enable; 63863f678fSStefan Hajnoczi net_socket_update_fd_handler(s); 64863f678fSStefan Hajnoczi } 65863f678fSStefan Hajnoczi 66863f678fSStefan Hajnoczi static void net_socket_write_poll(NetSocketState *s, bool enable) 67863f678fSStefan Hajnoczi { 68863f678fSStefan Hajnoczi s->write_poll = enable; 69863f678fSStefan Hajnoczi net_socket_update_fd_handler(s); 70863f678fSStefan Hajnoczi } 71863f678fSStefan Hajnoczi 72863f678fSStefan Hajnoczi static void net_socket_writable(void *opaque) 73863f678fSStefan Hajnoczi { 74863f678fSStefan Hajnoczi NetSocketState *s = opaque; 75863f678fSStefan Hajnoczi 76863f678fSStefan Hajnoczi net_socket_write_poll(s, false); 77863f678fSStefan Hajnoczi 78863f678fSStefan Hajnoczi qemu_flush_queued_packets(&s->nc); 79863f678fSStefan Hajnoczi } 8042281ac9SMark McLoughlin 814e68f7a0SStefan Hajnoczi static ssize_t net_socket_receive(NetClientState *nc, const uint8_t *buf, size_t size) 8242281ac9SMark McLoughlin { 83564f63e3SMark McLoughlin NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc); 8445a7f54aSStefan Hajnoczi uint32_t len = htonl(size); 8545a7f54aSStefan Hajnoczi struct iovec iov[] = { 8645a7f54aSStefan Hajnoczi { 8745a7f54aSStefan Hajnoczi .iov_base = &len, 8845a7f54aSStefan Hajnoczi .iov_len = sizeof(len), 8945a7f54aSStefan Hajnoczi }, { 9045a7f54aSStefan Hajnoczi .iov_base = (void *)buf, 9145a7f54aSStefan Hajnoczi .iov_len = size, 9245a7f54aSStefan Hajnoczi }, 9345a7f54aSStefan Hajnoczi }; 9445a7f54aSStefan Hajnoczi size_t remaining; 9545a7f54aSStefan Hajnoczi ssize_t ret; 9642281ac9SMark McLoughlin 9745a7f54aSStefan Hajnoczi remaining = iov_size(iov, 2) - s->send_index; 9845a7f54aSStefan Hajnoczi ret = iov_send(s->fd, iov, 2, s->send_index, remaining); 9945a7f54aSStefan Hajnoczi 10045a7f54aSStefan Hajnoczi if (ret == -1 && errno == EAGAIN) { 10145a7f54aSStefan Hajnoczi ret = 0; /* handled further down */ 10245a7f54aSStefan Hajnoczi } 10345a7f54aSStefan Hajnoczi if (ret == -1) { 10445a7f54aSStefan Hajnoczi s->send_index = 0; 10545a7f54aSStefan Hajnoczi return -errno; 10645a7f54aSStefan Hajnoczi } 10745a7f54aSStefan Hajnoczi if (ret < (ssize_t)remaining) { 10845a7f54aSStefan Hajnoczi s->send_index += ret; 10945a7f54aSStefan Hajnoczi net_socket_write_poll(s, true); 11045a7f54aSStefan Hajnoczi return 0; 11145a7f54aSStefan Hajnoczi } 11245a7f54aSStefan Hajnoczi s->send_index = 0; 11345a7f54aSStefan Hajnoczi return size; 11442281ac9SMark McLoughlin } 11542281ac9SMark McLoughlin 1164e68f7a0SStefan Hajnoczi static ssize_t net_socket_receive_dgram(NetClientState *nc, const uint8_t *buf, size_t size) 11742281ac9SMark McLoughlin { 118564f63e3SMark McLoughlin NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc); 119213fd508SStefan Hajnoczi ssize_t ret; 12042281ac9SMark McLoughlin 121213fd508SStefan Hajnoczi do { 122fdec16e3SMarc-André Lureau if (s->dgram_dst.sin_family != AF_UNIX) { 12373062dfeSStefan Weil ret = qemu_sendto(s->fd, buf, size, 0, 124213fd508SStefan Hajnoczi (struct sockaddr *)&s->dgram_dst, 125213fd508SStefan Hajnoczi sizeof(s->dgram_dst)); 126fdec16e3SMarc-André Lureau } else { 127fdec16e3SMarc-André Lureau ret = send(s->fd, buf, size, 0); 128fdec16e3SMarc-André Lureau } 129213fd508SStefan Hajnoczi } while (ret == -1 && errno == EINTR); 130213fd508SStefan Hajnoczi 131213fd508SStefan Hajnoczi if (ret == -1 && errno == EAGAIN) { 132213fd508SStefan Hajnoczi net_socket_write_poll(s, true); 133213fd508SStefan Hajnoczi return 0; 134213fd508SStefan Hajnoczi } 135213fd508SStefan Hajnoczi return ret; 13642281ac9SMark McLoughlin } 13742281ac9SMark McLoughlin 1386e99c631SFam Zheng static void net_socket_send_completed(NetClientState *nc, ssize_t len) 1396e99c631SFam Zheng { 1406e99c631SFam Zheng NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc); 1416e99c631SFam Zheng 1426e99c631SFam Zheng if (!s->read_poll) { 1436e99c631SFam Zheng net_socket_read_poll(s, true); 1446e99c631SFam Zheng } 1456e99c631SFam Zheng } 1466e99c631SFam Zheng 14716a3df40SZhang Chen static void net_socket_rs_finalize(SocketReadState *rs) 14816a3df40SZhang Chen { 14916a3df40SZhang Chen NetSocketState *s = container_of(rs, NetSocketState, rs); 15016a3df40SZhang Chen 15116a3df40SZhang Chen if (qemu_send_packet_async(&s->nc, rs->buf, 15216a3df40SZhang Chen rs->packet_len, 15316a3df40SZhang Chen net_socket_send_completed) == 0) { 15416a3df40SZhang Chen net_socket_read_poll(s, false); 15516a3df40SZhang Chen } 15616a3df40SZhang Chen } 15716a3df40SZhang Chen 15842281ac9SMark McLoughlin static void net_socket_send(void *opaque) 15942281ac9SMark McLoughlin { 16042281ac9SMark McLoughlin NetSocketState *s = opaque; 161b16a44e1SDaniel P. Berrange int size; 16216a3df40SZhang Chen int ret; 163d32fcad3SScott Feldman uint8_t buf1[NET_BUFSIZE]; 16442281ac9SMark McLoughlin const uint8_t *buf; 16542281ac9SMark McLoughlin 16600aa0040SBlue Swirl size = qemu_recv(s->fd, buf1, sizeof(buf1), 0); 16742281ac9SMark McLoughlin if (size < 0) { 168b16a44e1SDaniel P. Berrange if (errno != EWOULDBLOCK) 16942281ac9SMark McLoughlin goto eoc; 17042281ac9SMark McLoughlin } else if (size == 0) { 17142281ac9SMark McLoughlin /* end of connection */ 17242281ac9SMark McLoughlin eoc: 173863f678fSStefan Hajnoczi net_socket_read_poll(s, false); 174863f678fSStefan Hajnoczi net_socket_write_poll(s, false); 175011de2b5SZhi Yong Wu if (s->listen_fd != -1) { 176011de2b5SZhi Yong Wu qemu_set_fd_handler(s->listen_fd, net_socket_accept, NULL, s); 177011de2b5SZhi Yong Wu } 17842281ac9SMark McLoughlin closesocket(s->fd); 179011de2b5SZhi Yong Wu 180011de2b5SZhi Yong Wu s->fd = -1; 1813cde5ea2SZhang Chen net_socket_rs_init(&s->rs, net_socket_rs_finalize, false); 182011de2b5SZhi Yong Wu s->nc.link_down = true; 183011de2b5SZhi Yong Wu memset(s->nc.info_str, 0, sizeof(s->nc.info_str)); 184011de2b5SZhi Yong Wu 18542281ac9SMark McLoughlin return; 18642281ac9SMark McLoughlin } 18742281ac9SMark McLoughlin buf = buf1; 18842281ac9SMark McLoughlin 18916a3df40SZhang Chen ret = net_fill_rstate(&s->rs, buf, size); 19016a3df40SZhang Chen 19116a3df40SZhang Chen if (ret == -1) { 19216a3df40SZhang Chen goto eoc; 19342281ac9SMark McLoughlin } 19442281ac9SMark McLoughlin } 19542281ac9SMark McLoughlin 19642281ac9SMark McLoughlin static void net_socket_send_dgram(void *opaque) 19742281ac9SMark McLoughlin { 19842281ac9SMark McLoughlin NetSocketState *s = opaque; 19942281ac9SMark McLoughlin int size; 20042281ac9SMark McLoughlin 20116a3df40SZhang Chen size = qemu_recv(s->fd, s->rs.buf, sizeof(s->rs.buf), 0); 20242281ac9SMark McLoughlin if (size < 0) 20342281ac9SMark McLoughlin return; 20442281ac9SMark McLoughlin if (size == 0) { 20542281ac9SMark McLoughlin /* end of connection */ 206863f678fSStefan Hajnoczi net_socket_read_poll(s, false); 207863f678fSStefan Hajnoczi net_socket_write_poll(s, false); 20842281ac9SMark McLoughlin return; 20942281ac9SMark McLoughlin } 21016a3df40SZhang Chen if (qemu_send_packet_async(&s->nc, s->rs.buf, size, 2116e99c631SFam Zheng net_socket_send_completed) == 0) { 2126e99c631SFam Zheng net_socket_read_poll(s, false); 2136e99c631SFam Zheng } 21442281ac9SMark McLoughlin } 21542281ac9SMark McLoughlin 216c37f0bb1SMao Zhongyi static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, 217c37f0bb1SMao Zhongyi struct in_addr *localaddr, 218c37f0bb1SMao Zhongyi Error **errp) 21942281ac9SMark McLoughlin { 22042281ac9SMark McLoughlin struct ip_mreq imr; 22142281ac9SMark McLoughlin int fd; 22242281ac9SMark McLoughlin int val, ret; 22323ddf2bbSBrad #ifdef __OpenBSD__ 22423ddf2bbSBrad unsigned char loop; 22523ddf2bbSBrad #else 22623ddf2bbSBrad int loop; 22723ddf2bbSBrad #endif 22823ddf2bbSBrad 22942281ac9SMark McLoughlin if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) { 230c37f0bb1SMao Zhongyi error_setg(errp, "specified mcastaddr %s (0x%08x) " 231c37f0bb1SMao Zhongyi "does not contain a multicast address", 23242281ac9SMark McLoughlin inet_ntoa(mcastaddr->sin_addr), 23342281ac9SMark McLoughlin (int)ntohl(mcastaddr->sin_addr.s_addr)); 23442281ac9SMark McLoughlin return -1; 23542281ac9SMark McLoughlin } 236c37f0bb1SMao Zhongyi 23740ff6d7eSKevin Wolf fd = qemu_socket(PF_INET, SOCK_DGRAM, 0); 23842281ac9SMark McLoughlin if (fd < 0) { 239c37f0bb1SMao Zhongyi error_setg_errno(errp, errno, "can't create datagram socket"); 24042281ac9SMark McLoughlin return -1; 24142281ac9SMark McLoughlin } 24242281ac9SMark McLoughlin 243bcbe92fbSSebastian Ottlik /* Allow multiple sockets to bind the same multicast ip and port by setting 244bcbe92fbSSebastian Ottlik * SO_REUSEADDR. This is the only situation where SO_REUSEADDR should be set 245bcbe92fbSSebastian Ottlik * on windows. Use socket_set_fast_reuse otherwise as it sets SO_REUSEADDR 246bcbe92fbSSebastian Ottlik * only on posix systems. 247bcbe92fbSSebastian Ottlik */ 24842281ac9SMark McLoughlin val = 1; 2499957fc7fSStefan Weil ret = qemu_setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val)); 25042281ac9SMark McLoughlin if (ret < 0) { 251c37f0bb1SMao Zhongyi error_setg_errno(errp, errno, 252c37f0bb1SMao Zhongyi "can't set socket option SO_REUSEADDR"); 25342281ac9SMark McLoughlin goto fail; 25442281ac9SMark McLoughlin } 25542281ac9SMark McLoughlin 25642281ac9SMark McLoughlin ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); 25742281ac9SMark McLoughlin if (ret < 0) { 258c37f0bb1SMao Zhongyi error_setg_errno(errp, errno, "can't bind ip=%s to socket", 259c37f0bb1SMao Zhongyi inet_ntoa(mcastaddr->sin_addr)); 26042281ac9SMark McLoughlin goto fail; 26142281ac9SMark McLoughlin } 26242281ac9SMark McLoughlin 26342281ac9SMark McLoughlin /* Add host to multicast group */ 26442281ac9SMark McLoughlin imr.imr_multiaddr = mcastaddr->sin_addr; 2653a75e74cSMike Ryan if (localaddr) { 2663a75e74cSMike Ryan imr.imr_interface = *localaddr; 2673a75e74cSMike Ryan } else { 26842281ac9SMark McLoughlin imr.imr_interface.s_addr = htonl(INADDR_ANY); 2693a75e74cSMike Ryan } 27042281ac9SMark McLoughlin 2719957fc7fSStefan Weil ret = qemu_setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, 2729957fc7fSStefan Weil &imr, sizeof(struct ip_mreq)); 27342281ac9SMark McLoughlin if (ret < 0) { 274c37f0bb1SMao Zhongyi error_setg_errno(errp, errno, 275c37f0bb1SMao Zhongyi "can't add socket to multicast group %s", 276c37f0bb1SMao Zhongyi inet_ntoa(imr.imr_multiaddr)); 27742281ac9SMark McLoughlin goto fail; 27842281ac9SMark McLoughlin } 27942281ac9SMark McLoughlin 28042281ac9SMark McLoughlin /* Force mcast msgs to loopback (eg. several QEMUs in same host */ 28123ddf2bbSBrad loop = 1; 2829957fc7fSStefan Weil ret = qemu_setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, 2839957fc7fSStefan Weil &loop, sizeof(loop)); 28442281ac9SMark McLoughlin if (ret < 0) { 285c37f0bb1SMao Zhongyi error_setg_errno(errp, errno, 286c37f0bb1SMao Zhongyi "can't force multicast message to loopback"); 28742281ac9SMark McLoughlin goto fail; 28842281ac9SMark McLoughlin } 28942281ac9SMark McLoughlin 2903a75e74cSMike Ryan /* If a bind address is given, only send packets from that address */ 2913a75e74cSMike Ryan if (localaddr != NULL) { 2929957fc7fSStefan Weil ret = qemu_setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF, 2939957fc7fSStefan Weil localaddr, sizeof(*localaddr)); 2943a75e74cSMike Ryan if (ret < 0) { 295c37f0bb1SMao Zhongyi error_setg_errno(errp, errno, 296c37f0bb1SMao Zhongyi "can't set the default network send interface"); 2973a75e74cSMike Ryan goto fail; 2983a75e74cSMike Ryan } 2993a75e74cSMike Ryan } 3003a75e74cSMike Ryan 301f9e8caccSStefan Hajnoczi qemu_set_nonblock(fd); 30242281ac9SMark McLoughlin return fd; 30342281ac9SMark McLoughlin fail: 30442281ac9SMark McLoughlin if (fd >= 0) 30542281ac9SMark McLoughlin closesocket(fd); 30642281ac9SMark McLoughlin return -1; 30742281ac9SMark McLoughlin } 30842281ac9SMark McLoughlin 3094e68f7a0SStefan Hajnoczi static void net_socket_cleanup(NetClientState *nc) 31042281ac9SMark McLoughlin { 311564f63e3SMark McLoughlin NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc); 312011de2b5SZhi Yong Wu if (s->fd != -1) { 313863f678fSStefan Hajnoczi net_socket_read_poll(s, false); 314863f678fSStefan Hajnoczi net_socket_write_poll(s, false); 31542281ac9SMark McLoughlin close(s->fd); 316011de2b5SZhi Yong Wu s->fd = -1; 317011de2b5SZhi Yong Wu } 318011de2b5SZhi Yong Wu if (s->listen_fd != -1) { 319011de2b5SZhi Yong Wu qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); 320011de2b5SZhi Yong Wu closesocket(s->listen_fd); 321011de2b5SZhi Yong Wu s->listen_fd = -1; 322011de2b5SZhi Yong Wu } 32342281ac9SMark McLoughlin } 32442281ac9SMark McLoughlin 325564f63e3SMark McLoughlin static NetClientInfo net_dgram_socket_info = { 326f394b2e2SEric Blake .type = NET_CLIENT_DRIVER_SOCKET, 327564f63e3SMark McLoughlin .size = sizeof(NetSocketState), 328564f63e3SMark McLoughlin .receive = net_socket_receive_dgram, 329564f63e3SMark McLoughlin .cleanup = net_socket_cleanup, 330564f63e3SMark McLoughlin }; 331564f63e3SMark McLoughlin 3324e68f7a0SStefan Hajnoczi static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer, 33342281ac9SMark McLoughlin const char *model, 33442281ac9SMark McLoughlin const char *name, 3350f8c289aSJens Freimann int fd, int is_connected, 336c37f0bb1SMao Zhongyi const char *mcast, 337c37f0bb1SMao Zhongyi Error **errp) 33842281ac9SMark McLoughlin { 33942281ac9SMark McLoughlin struct sockaddr_in saddr; 34042281ac9SMark McLoughlin int newfd; 3414e68f7a0SStefan Hajnoczi NetClientState *nc; 34242281ac9SMark McLoughlin NetSocketState *s; 343fdec16e3SMarc-André Lureau SocketAddress *sa; 344fdec16e3SMarc-André Lureau SocketAddressType sa_type; 345fdec16e3SMarc-André Lureau 346fdec16e3SMarc-André Lureau sa = socket_local_address(fd, errp); 347fdec16e3SMarc-André Lureau if (!sa) { 348fdec16e3SMarc-André Lureau return NULL; 349fdec16e3SMarc-André Lureau } 350fdec16e3SMarc-André Lureau sa_type = sa->type; 351fdec16e3SMarc-André Lureau qapi_free_SocketAddress(sa); 35242281ac9SMark McLoughlin 35342281ac9SMark McLoughlin /* fd passed: multicast: "learn" dgram_dst address from bound address and save it 35442281ac9SMark McLoughlin * Because this may be "shared" socket from a "master" process, datagrams would be recv() 35542281ac9SMark McLoughlin * by ONLY ONE process: we must "clone" this dgram socket --jjo 35642281ac9SMark McLoughlin */ 35742281ac9SMark McLoughlin 3580f8c289aSJens Freimann if (is_connected && mcast != NULL) { 359bcd4dfd6SMao Zhongyi if (parse_host_port(&saddr, mcast, errp) < 0) { 3600f8c289aSJens Freimann goto err; 3610f8c289aSJens Freimann } 36242281ac9SMark McLoughlin /* must be bound */ 36342281ac9SMark McLoughlin if (saddr.sin_addr.s_addr == 0) { 364c37f0bb1SMao Zhongyi error_setg(errp, "can't setup multicast destination address"); 365e5d1fca0SStefan Hajnoczi goto err; 36642281ac9SMark McLoughlin } 36742281ac9SMark McLoughlin /* clone dgram socket */ 368c37f0bb1SMao Zhongyi newfd = net_socket_mcast_create(&saddr, NULL, errp); 36942281ac9SMark McLoughlin if (newfd < 0) { 370e5d1fca0SStefan Hajnoczi goto err; 37142281ac9SMark McLoughlin } 37242281ac9SMark McLoughlin /* clone newfd to fd, close newfd */ 37342281ac9SMark McLoughlin dup2(newfd, fd); 37442281ac9SMark McLoughlin close(newfd); 37542281ac9SMark McLoughlin 37642281ac9SMark McLoughlin } 37742281ac9SMark McLoughlin 378ab5f3f84SStefan Hajnoczi nc = qemu_new_net_client(&net_dgram_socket_info, peer, model, name); 379564f63e3SMark McLoughlin 380564f63e3SMark McLoughlin s = DO_UPCAST(NetSocketState, nc, nc); 381564f63e3SMark McLoughlin 38242281ac9SMark McLoughlin s->fd = fd; 383011de2b5SZhi Yong Wu s->listen_fd = -1; 384863f678fSStefan Hajnoczi s->send_fn = net_socket_send_dgram; 3853cde5ea2SZhang Chen net_socket_rs_init(&s->rs, net_socket_rs_finalize, false); 386863f678fSStefan Hajnoczi net_socket_read_poll(s, true); 38742281ac9SMark McLoughlin 38842281ac9SMark McLoughlin /* mcast: save bound address as dst */ 389bb160b57SJens Freimann if (is_connected && mcast != NULL) { 390e34cde35SZhi Yong Wu s->dgram_dst = saddr; 3918db804acSGonglei snprintf(nc->info_str, sizeof(nc->info_str), 3928db804acSGonglei "socket: fd=%d (cloned mcast=%s:%d)", 3938db804acSGonglei fd, inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); 3948db804acSGonglei } else { 395fdec16e3SMarc-André Lureau if (sa_type == SOCKET_ADDRESS_TYPE_UNIX) { 396fdec16e3SMarc-André Lureau s->dgram_dst.sin_family = AF_UNIX; 397fdec16e3SMarc-André Lureau } 398fdec16e3SMarc-André Lureau 3998db804acSGonglei snprintf(nc->info_str, sizeof(nc->info_str), 400fdec16e3SMarc-André Lureau "socket: fd=%d %s", fd, SocketAddressType_str(sa_type)); 401e34cde35SZhi Yong Wu } 40242281ac9SMark McLoughlin 40342281ac9SMark McLoughlin return s; 404e5d1fca0SStefan Hajnoczi 405e5d1fca0SStefan Hajnoczi err: 406e5d1fca0SStefan Hajnoczi closesocket(fd); 407e5d1fca0SStefan Hajnoczi return NULL; 40842281ac9SMark McLoughlin } 40942281ac9SMark McLoughlin 41042281ac9SMark McLoughlin static void net_socket_connect(void *opaque) 41142281ac9SMark McLoughlin { 41242281ac9SMark McLoughlin NetSocketState *s = opaque; 413863f678fSStefan Hajnoczi s->send_fn = net_socket_send; 414863f678fSStefan Hajnoczi net_socket_read_poll(s, true); 41542281ac9SMark McLoughlin } 41642281ac9SMark McLoughlin 417564f63e3SMark McLoughlin static NetClientInfo net_socket_info = { 418f394b2e2SEric Blake .type = NET_CLIENT_DRIVER_SOCKET, 419564f63e3SMark McLoughlin .size = sizeof(NetSocketState), 420564f63e3SMark McLoughlin .receive = net_socket_receive, 421564f63e3SMark McLoughlin .cleanup = net_socket_cleanup, 422564f63e3SMark McLoughlin }; 423564f63e3SMark McLoughlin 4244e68f7a0SStefan Hajnoczi static NetSocketState *net_socket_fd_init_stream(NetClientState *peer, 42542281ac9SMark McLoughlin const char *model, 42642281ac9SMark McLoughlin const char *name, 42742281ac9SMark McLoughlin int fd, int is_connected) 42842281ac9SMark McLoughlin { 4294e68f7a0SStefan Hajnoczi NetClientState *nc; 43042281ac9SMark McLoughlin NetSocketState *s; 431564f63e3SMark McLoughlin 432ab5f3f84SStefan Hajnoczi nc = qemu_new_net_client(&net_socket_info, peer, model, name); 433564f63e3SMark McLoughlin 434564f63e3SMark McLoughlin snprintf(nc->info_str, sizeof(nc->info_str), "socket: fd=%d", fd); 435564f63e3SMark McLoughlin 436564f63e3SMark McLoughlin s = DO_UPCAST(NetSocketState, nc, nc); 437564f63e3SMark McLoughlin 43842281ac9SMark McLoughlin s->fd = fd; 439011de2b5SZhi Yong Wu s->listen_fd = -1; 4403cde5ea2SZhang Chen net_socket_rs_init(&s->rs, net_socket_rs_finalize, false); 441564f63e3SMark McLoughlin 44220048d0aSStefan Hajnoczi /* Disable Nagle algorithm on TCP sockets to reduce latency */ 44320048d0aSStefan Hajnoczi socket_set_nodelay(fd); 44420048d0aSStefan Hajnoczi 44542281ac9SMark McLoughlin if (is_connected) { 44642281ac9SMark McLoughlin net_socket_connect(s); 44742281ac9SMark McLoughlin } else { 44842281ac9SMark McLoughlin qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s); 44942281ac9SMark McLoughlin } 45042281ac9SMark McLoughlin return s; 45142281ac9SMark McLoughlin } 45242281ac9SMark McLoughlin 4534e68f7a0SStefan Hajnoczi static NetSocketState *net_socket_fd_init(NetClientState *peer, 45442281ac9SMark McLoughlin const char *model, const char *name, 455c37f0bb1SMao Zhongyi int fd, int is_connected, 456c37f0bb1SMao Zhongyi const char *mc, Error **errp) 45742281ac9SMark McLoughlin { 45842281ac9SMark McLoughlin int so_type = -1, optlen=sizeof(so_type); 45942281ac9SMark McLoughlin 46042281ac9SMark McLoughlin if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, 46142281ac9SMark McLoughlin (socklen_t *)&optlen)< 0) { 462c37f0bb1SMao Zhongyi error_setg(errp, "can't get socket option SO_TYPE"); 463e5d1fca0SStefan Hajnoczi closesocket(fd); 46442281ac9SMark McLoughlin return NULL; 46542281ac9SMark McLoughlin } 46642281ac9SMark McLoughlin switch(so_type) { 46742281ac9SMark McLoughlin case SOCK_DGRAM: 468c37f0bb1SMao Zhongyi return net_socket_fd_init_dgram(peer, model, name, fd, is_connected, 469c37f0bb1SMao Zhongyi mc, errp); 47042281ac9SMark McLoughlin case SOCK_STREAM: 471d33d93b2SStefan Hajnoczi return net_socket_fd_init_stream(peer, model, name, fd, is_connected); 47242281ac9SMark McLoughlin default: 4738c42dbe3SMarkus Armbruster error_setg(errp, "socket type=%d for fd=%d must be either" 474e1b24b64SMao Zhongyi " SOCK_DGRAM or SOCK_STREAM", so_type, fd); 475e1b24b64SMao Zhongyi closesocket(fd); 47642281ac9SMark McLoughlin } 47742281ac9SMark McLoughlin return NULL; 47842281ac9SMark McLoughlin } 47942281ac9SMark McLoughlin 48042281ac9SMark McLoughlin static void net_socket_accept(void *opaque) 48142281ac9SMark McLoughlin { 482011de2b5SZhi Yong Wu NetSocketState *s = opaque; 48342281ac9SMark McLoughlin struct sockaddr_in saddr; 48442281ac9SMark McLoughlin socklen_t len; 48542281ac9SMark McLoughlin int fd; 48642281ac9SMark McLoughlin 48742281ac9SMark McLoughlin for(;;) { 48842281ac9SMark McLoughlin len = sizeof(saddr); 489011de2b5SZhi Yong Wu fd = qemu_accept(s->listen_fd, (struct sockaddr *)&saddr, &len); 49042281ac9SMark McLoughlin if (fd < 0 && errno != EINTR) { 49142281ac9SMark McLoughlin return; 49242281ac9SMark McLoughlin } else if (fd >= 0) { 493011de2b5SZhi Yong Wu qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); 49442281ac9SMark McLoughlin break; 49542281ac9SMark McLoughlin } 49642281ac9SMark McLoughlin } 497011de2b5SZhi Yong Wu 498011de2b5SZhi Yong Wu s->fd = fd; 499011de2b5SZhi Yong Wu s->nc.link_down = false; 500011de2b5SZhi Yong Wu net_socket_connect(s); 501011de2b5SZhi Yong Wu snprintf(s->nc.info_str, sizeof(s->nc.info_str), 50242281ac9SMark McLoughlin "socket: connection from %s:%d", 50342281ac9SMark McLoughlin inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); 50442281ac9SMark McLoughlin } 50542281ac9SMark McLoughlin 5064e68f7a0SStefan Hajnoczi static int net_socket_listen_init(NetClientState *peer, 50742281ac9SMark McLoughlin const char *model, 50842281ac9SMark McLoughlin const char *name, 5090522a959SMao Zhongyi const char *host_str, 5100522a959SMao Zhongyi Error **errp) 51142281ac9SMark McLoughlin { 512011de2b5SZhi Yong Wu NetClientState *nc; 513011de2b5SZhi Yong Wu NetSocketState *s; 5146701e551SDaniel P. Berrange struct sockaddr_in saddr; 5156701e551SDaniel P. Berrange int fd, ret; 51642281ac9SMark McLoughlin 5170522a959SMao Zhongyi if (parse_host_port(&saddr, host_str, errp) < 0) { 5186701e551SDaniel P. Berrange return -1; 519bcd4dfd6SMao Zhongyi } 5206701e551SDaniel P. Berrange 5216701e551SDaniel P. Berrange fd = qemu_socket(PF_INET, SOCK_STREAM, 0); 5226701e551SDaniel P. Berrange if (fd < 0) { 5230522a959SMao Zhongyi error_setg_errno(errp, errno, "can't create stream socket"); 52442281ac9SMark McLoughlin return -1; 52542281ac9SMark McLoughlin } 5266701e551SDaniel P. Berrange qemu_set_nonblock(fd); 52742281ac9SMark McLoughlin 5286701e551SDaniel P. Berrange socket_set_fast_reuse(fd); 5296701e551SDaniel P. Berrange 5306701e551SDaniel P. Berrange ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); 53142281ac9SMark McLoughlin if (ret < 0) { 5320522a959SMao Zhongyi error_setg_errno(errp, errno, "can't bind ip=%s to socket", 5330522a959SMao Zhongyi inet_ntoa(saddr.sin_addr)); 5346701e551SDaniel P. Berrange closesocket(fd); 5356701e551SDaniel P. Berrange return -1; 5366701e551SDaniel P. Berrange } 5376701e551SDaniel P. Berrange ret = listen(fd, 0); 5386701e551SDaniel P. Berrange if (ret < 0) { 5390522a959SMao Zhongyi error_setg_errno(errp, errno, "can't listen on socket"); 5406701e551SDaniel P. Berrange closesocket(fd); 54142281ac9SMark McLoughlin return -1; 54242281ac9SMark McLoughlin } 543011de2b5SZhi Yong Wu 544011de2b5SZhi Yong Wu nc = qemu_new_net_client(&net_socket_info, peer, model, name); 545011de2b5SZhi Yong Wu s = DO_UPCAST(NetSocketState, nc, nc); 546011de2b5SZhi Yong Wu s->fd = -1; 5476701e551SDaniel P. Berrange s->listen_fd = fd; 548011de2b5SZhi Yong Wu s->nc.link_down = true; 5493cde5ea2SZhang Chen net_socket_rs_init(&s->rs, net_socket_rs_finalize, false); 550011de2b5SZhi Yong Wu 551011de2b5SZhi Yong Wu qemu_set_fd_handler(s->listen_fd, net_socket_accept, NULL, s); 55242281ac9SMark McLoughlin return 0; 55342281ac9SMark McLoughlin } 55442281ac9SMark McLoughlin 5554e68f7a0SStefan Hajnoczi static int net_socket_connect_init(NetClientState *peer, 55642281ac9SMark McLoughlin const char *model, 55742281ac9SMark McLoughlin const char *name, 5580522a959SMao Zhongyi const char *host_str, 5590522a959SMao Zhongyi Error **errp) 56042281ac9SMark McLoughlin { 5616701e551SDaniel P. Berrange NetSocketState *s; 5626701e551SDaniel P. Berrange int fd, connected, ret; 5636701e551SDaniel P. Berrange struct sockaddr_in saddr; 56442281ac9SMark McLoughlin 5650522a959SMao Zhongyi if (parse_host_port(&saddr, host_str, errp) < 0) { 566883e4f76SMarc-André Lureau return -1; 567bcd4dfd6SMao Zhongyi } 5686701e551SDaniel P. Berrange 5696701e551SDaniel P. Berrange fd = qemu_socket(PF_INET, SOCK_STREAM, 0); 5706701e551SDaniel P. Berrange if (fd < 0) { 5710522a959SMao Zhongyi error_setg_errno(errp, errno, "can't create stream socket"); 5726701e551SDaniel P. Berrange return -1; 5736701e551SDaniel P. Berrange } 5746701e551SDaniel P. Berrange qemu_set_nonblock(fd); 5756701e551SDaniel P. Berrange 5766701e551SDaniel P. Berrange connected = 0; 5776701e551SDaniel P. Berrange for(;;) { 5786701e551SDaniel P. Berrange ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); 5796701e551SDaniel P. Berrange if (ret < 0) { 5806701e551SDaniel P. Berrange if (errno == EINTR || errno == EWOULDBLOCK) { 5816701e551SDaniel P. Berrange /* continue */ 5826701e551SDaniel P. Berrange } else if (errno == EINPROGRESS || 5836701e551SDaniel P. Berrange errno == EALREADY || 5846701e551SDaniel P. Berrange errno == EINVAL) { 5856701e551SDaniel P. Berrange break; 5866701e551SDaniel P. Berrange } else { 5870522a959SMao Zhongyi error_setg_errno(errp, errno, "can't connect socket"); 5886701e551SDaniel P. Berrange closesocket(fd); 5896701e551SDaniel P. Berrange return -1; 5906701e551SDaniel P. Berrange } 5916701e551SDaniel P. Berrange } else { 5926701e551SDaniel P. Berrange connected = 1; 5936701e551SDaniel P. Berrange break; 5946701e551SDaniel P. Berrange } 5956701e551SDaniel P. Berrange } 5960522a959SMao Zhongyi s = net_socket_fd_init(peer, model, name, fd, connected, NULL, errp); 597c37f0bb1SMao Zhongyi if (!s) { 5986701e551SDaniel P. Berrange return -1; 599c37f0bb1SMao Zhongyi } 600c37f0bb1SMao Zhongyi 6016701e551SDaniel P. Berrange snprintf(s->nc.info_str, sizeof(s->nc.info_str), 6026701e551SDaniel P. Berrange "socket: connect to %s:%d", 6036701e551SDaniel P. Berrange inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); 6046701e551SDaniel P. Berrange return 0; 60542281ac9SMark McLoughlin } 60642281ac9SMark McLoughlin 6074e68f7a0SStefan Hajnoczi static int net_socket_mcast_init(NetClientState *peer, 60842281ac9SMark McLoughlin const char *model, 60942281ac9SMark McLoughlin const char *name, 6103a75e74cSMike Ryan const char *host_str, 6110522a959SMao Zhongyi const char *localaddr_str, 6120522a959SMao Zhongyi Error **errp) 61342281ac9SMark McLoughlin { 61442281ac9SMark McLoughlin NetSocketState *s; 61542281ac9SMark McLoughlin int fd; 61642281ac9SMark McLoughlin struct sockaddr_in saddr; 6173a75e74cSMike Ryan struct in_addr localaddr, *param_localaddr; 61842281ac9SMark McLoughlin 6190522a959SMao Zhongyi if (parse_host_port(&saddr, host_str, errp) < 0) { 62042281ac9SMark McLoughlin return -1; 621bcd4dfd6SMao Zhongyi } 62242281ac9SMark McLoughlin 6233a75e74cSMike Ryan if (localaddr_str != NULL) { 6240522a959SMao Zhongyi if (inet_aton(localaddr_str, &localaddr) == 0) { 6250522a959SMao Zhongyi error_setg(errp, "localaddr '%s' is not a valid IPv4 address", 6260522a959SMao Zhongyi localaddr_str); 6273a75e74cSMike Ryan return -1; 6280522a959SMao Zhongyi } 6293a75e74cSMike Ryan param_localaddr = &localaddr; 6303a75e74cSMike Ryan } else { 6313a75e74cSMike Ryan param_localaddr = NULL; 6323a75e74cSMike Ryan } 63342281ac9SMark McLoughlin 6340522a959SMao Zhongyi fd = net_socket_mcast_create(&saddr, param_localaddr, errp); 635c37f0bb1SMao Zhongyi if (fd < 0) { 63642281ac9SMark McLoughlin return -1; 637c37f0bb1SMao Zhongyi } 63842281ac9SMark McLoughlin 6390522a959SMao Zhongyi s = net_socket_fd_init(peer, model, name, fd, 0, NULL, errp); 640c37f0bb1SMao Zhongyi if (!s) { 64142281ac9SMark McLoughlin return -1; 642c37f0bb1SMao Zhongyi } 64342281ac9SMark McLoughlin 64442281ac9SMark McLoughlin s->dgram_dst = saddr; 64542281ac9SMark McLoughlin 646564f63e3SMark McLoughlin snprintf(s->nc.info_str, sizeof(s->nc.info_str), 64742281ac9SMark McLoughlin "socket: mcast=%s:%d", 64842281ac9SMark McLoughlin inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); 64942281ac9SMark McLoughlin return 0; 65042281ac9SMark McLoughlin 65142281ac9SMark McLoughlin } 65242281ac9SMark McLoughlin 6534e68f7a0SStefan Hajnoczi static int net_socket_udp_init(NetClientState *peer, 6540e0e7facSBenjamin const char *model, 6550e0e7facSBenjamin const char *name, 6560e0e7facSBenjamin const char *rhost, 6570522a959SMao Zhongyi const char *lhost, 6580522a959SMao Zhongyi Error **errp) 6590e0e7facSBenjamin { 6600e0e7facSBenjamin NetSocketState *s; 661bcbe92fbSSebastian Ottlik int fd, ret; 6620e0e7facSBenjamin struct sockaddr_in laddr, raddr; 6630e0e7facSBenjamin 6640522a959SMao Zhongyi if (parse_host_port(&laddr, lhost, errp) < 0) { 6650e0e7facSBenjamin return -1; 6660e0e7facSBenjamin } 6670e0e7facSBenjamin 6680522a959SMao Zhongyi if (parse_host_port(&raddr, rhost, errp) < 0) { 6690e0e7facSBenjamin return -1; 6700e0e7facSBenjamin } 6710e0e7facSBenjamin 6720e0e7facSBenjamin fd = qemu_socket(PF_INET, SOCK_DGRAM, 0); 6730e0e7facSBenjamin if (fd < 0) { 6740522a959SMao Zhongyi error_setg_errno(errp, errno, "can't create datagram socket"); 6750e0e7facSBenjamin return -1; 6760e0e7facSBenjamin } 677bcbe92fbSSebastian Ottlik 678bcbe92fbSSebastian Ottlik ret = socket_set_fast_reuse(fd); 6790e0e7facSBenjamin if (ret < 0) { 6800522a959SMao Zhongyi error_setg_errno(errp, errno, 6810522a959SMao Zhongyi "can't set socket option SO_REUSEADDR"); 6820e0e7facSBenjamin closesocket(fd); 6830e0e7facSBenjamin return -1; 6840e0e7facSBenjamin } 6850e0e7facSBenjamin ret = bind(fd, (struct sockaddr *)&laddr, sizeof(laddr)); 6860e0e7facSBenjamin if (ret < 0) { 6870522a959SMao Zhongyi error_setg_errno(errp, errno, "can't bind ip=%s to socket", 6880522a959SMao Zhongyi inet_ntoa(laddr.sin_addr)); 6890e0e7facSBenjamin closesocket(fd); 6900e0e7facSBenjamin return -1; 6910e0e7facSBenjamin } 692fc13fa00SStefan Hajnoczi qemu_set_nonblock(fd); 6930e0e7facSBenjamin 6940522a959SMao Zhongyi s = net_socket_fd_init(peer, model, name, fd, 0, NULL, errp); 6950e0e7facSBenjamin if (!s) { 6960e0e7facSBenjamin return -1; 6970e0e7facSBenjamin } 6980e0e7facSBenjamin 6990e0e7facSBenjamin s->dgram_dst = raddr; 7000e0e7facSBenjamin 7010e0e7facSBenjamin snprintf(s->nc.info_str, sizeof(s->nc.info_str), 7020e0e7facSBenjamin "socket: udp=%s:%d", 7030e0e7facSBenjamin inet_ntoa(raddr.sin_addr), ntohs(raddr.sin_port)); 7040e0e7facSBenjamin return 0; 7050e0e7facSBenjamin } 7060e0e7facSBenjamin 707cebea510SKővágó, Zoltán int net_init_socket(const Netdev *netdev, const char *name, 708a30ecde6SMarkus Armbruster NetClientState *peer, Error **errp) 70942281ac9SMark McLoughlin { 710bef8e8feSLaszlo Ersek const NetdevSocketOptions *sock; 711bef8e8feSLaszlo Ersek 712f394b2e2SEric Blake assert(netdev->type == NET_CLIENT_DRIVER_SOCKET); 713f394b2e2SEric Blake sock = &netdev->u.socket; 714bef8e8feSLaszlo Ersek 715ff86d576SJens Freimann if (sock->has_fd + sock->has_listen + sock->has_connect + sock->has_mcast + 716ff86d576SJens Freimann sock->has_udp != 1) { 7170522a959SMao Zhongyi error_setg(errp, "exactly one of listen=, connect=, mcast= or udp=" 718bef8e8feSLaszlo Ersek " is required"); 719bef8e8feSLaszlo Ersek return -1; 720bef8e8feSLaszlo Ersek } 721bef8e8feSLaszlo Ersek 722bef8e8feSLaszlo Ersek if (sock->has_localaddr && !sock->has_mcast && !sock->has_udp) { 7230522a959SMao Zhongyi error_setg(errp, "localaddr= is only valid with mcast= or udp="); 724bef8e8feSLaszlo Ersek return -1; 725bef8e8feSLaszlo Ersek } 726bef8e8feSLaszlo Ersek 727bef8e8feSLaszlo Ersek if (sock->has_fd) { 728894022e6SLaurent Vivier int fd, ret; 72942281ac9SMark McLoughlin 730*947e4744SKevin Wolf fd = monitor_fd_param(monitor_cur(), sock->fd, errp); 731fc13fa00SStefan Hajnoczi if (fd == -1) { 732fc13fa00SStefan Hajnoczi return -1; 733fc13fa00SStefan Hajnoczi } 734894022e6SLaurent Vivier ret = qemu_try_set_nonblock(fd); 735894022e6SLaurent Vivier if (ret < 0) { 736894022e6SLaurent Vivier error_setg_errno(errp, -ret, "%s: Can't use file descriptor %d", 737894022e6SLaurent Vivier name, fd); 738894022e6SLaurent Vivier return -1; 739894022e6SLaurent Vivier } 740c37f0bb1SMao Zhongyi if (!net_socket_fd_init(peer, "socket", name, fd, 1, sock->mcast, 741c37f0bb1SMao Zhongyi errp)) { 74242281ac9SMark McLoughlin return -1; 74342281ac9SMark McLoughlin } 744bef8e8feSLaszlo Ersek return 0; 74542281ac9SMark McLoughlin } 74642281ac9SMark McLoughlin 747bef8e8feSLaszlo Ersek if (sock->has_listen) { 7480522a959SMao Zhongyi if (net_socket_listen_init(peer, "socket", name, sock->listen, errp) 7490522a959SMao Zhongyi < 0) { 75042281ac9SMark McLoughlin return -1; 75142281ac9SMark McLoughlin } 752bef8e8feSLaszlo Ersek return 0; 75342281ac9SMark McLoughlin } 75442281ac9SMark McLoughlin 755bef8e8feSLaszlo Ersek if (sock->has_connect) { 7560522a959SMao Zhongyi if (net_socket_connect_init(peer, "socket", name, sock->connect, errp) 7570522a959SMao Zhongyi < 0) { 75842281ac9SMark McLoughlin return -1; 75942281ac9SMark McLoughlin } 760bef8e8feSLaszlo Ersek return 0; 76142281ac9SMark McLoughlin } 76242281ac9SMark McLoughlin 763bef8e8feSLaszlo Ersek if (sock->has_mcast) { 764bef8e8feSLaszlo Ersek /* if sock->localaddr is missing, it has been initialized to "all bits 765bef8e8feSLaszlo Ersek * zero" */ 766d33d93b2SStefan Hajnoczi if (net_socket_mcast_init(peer, "socket", name, sock->mcast, 7670522a959SMao Zhongyi sock->localaddr, errp) < 0) { 76842281ac9SMark McLoughlin return -1; 76942281ac9SMark McLoughlin } 770bef8e8feSLaszlo Ersek return 0; 77142281ac9SMark McLoughlin } 77242281ac9SMark McLoughlin 773bef8e8feSLaszlo Ersek assert(sock->has_udp); 774bef8e8feSLaszlo Ersek if (!sock->has_localaddr) { 7750522a959SMao Zhongyi error_setg(errp, "localaddr= is mandatory with udp="); 7760e0e7facSBenjamin return -1; 7770e0e7facSBenjamin } 7780522a959SMao Zhongyi if (net_socket_udp_init(peer, "socket", name, sock->udp, sock->localaddr, 7790522a959SMao Zhongyi errp) < 0) { 7800e0e7facSBenjamin return -1; 7810e0e7facSBenjamin } 78242281ac9SMark McLoughlin return 0; 78342281ac9SMark McLoughlin } 784