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https://github.com/xemu-project/xemu.git
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947e47448d
cur_mon really needs to be coroutine-local as soon as we move monitor command handlers to coroutines and let them yield. As a first step, just remove all direct accesses to cur_mon so that we can implement this in the getter function later. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20201005155855.256490-4-kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
784 lines
22 KiB
C
784 lines
22 KiB
C
/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "net/net.h"
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#include "clients.h"
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#include "monitor/monitor.h"
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#include "qapi/error.h"
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#include "qemu-common.h"
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#include "qemu/error-report.h"
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#include "qemu/option.h"
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#include "qemu/sockets.h"
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#include "qemu/iov.h"
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#include "qemu/main-loop.h"
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typedef struct NetSocketState {
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NetClientState nc;
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int listen_fd;
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int fd;
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SocketReadState rs;
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unsigned int send_index; /* number of bytes sent (only SOCK_STREAM) */
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struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
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IOHandler *send_fn; /* differs between SOCK_STREAM/SOCK_DGRAM */
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bool read_poll; /* waiting to receive data? */
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bool write_poll; /* waiting to transmit data? */
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} NetSocketState;
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static void net_socket_accept(void *opaque);
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static void net_socket_writable(void *opaque);
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static void net_socket_update_fd_handler(NetSocketState *s)
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{
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qemu_set_fd_handler(s->fd,
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s->read_poll ? s->send_fn : NULL,
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s->write_poll ? net_socket_writable : NULL,
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s);
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}
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static void net_socket_read_poll(NetSocketState *s, bool enable)
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{
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s->read_poll = enable;
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net_socket_update_fd_handler(s);
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}
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static void net_socket_write_poll(NetSocketState *s, bool enable)
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{
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s->write_poll = enable;
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net_socket_update_fd_handler(s);
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}
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static void net_socket_writable(void *opaque)
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{
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NetSocketState *s = opaque;
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net_socket_write_poll(s, false);
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qemu_flush_queued_packets(&s->nc);
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}
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static ssize_t net_socket_receive(NetClientState *nc, const uint8_t *buf, size_t size)
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{
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NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc);
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uint32_t len = htonl(size);
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struct iovec iov[] = {
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{
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.iov_base = &len,
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.iov_len = sizeof(len),
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}, {
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.iov_base = (void *)buf,
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.iov_len = size,
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},
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};
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size_t remaining;
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ssize_t ret;
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remaining = iov_size(iov, 2) - s->send_index;
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ret = iov_send(s->fd, iov, 2, s->send_index, remaining);
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if (ret == -1 && errno == EAGAIN) {
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ret = 0; /* handled further down */
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}
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if (ret == -1) {
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s->send_index = 0;
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return -errno;
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}
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if (ret < (ssize_t)remaining) {
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s->send_index += ret;
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net_socket_write_poll(s, true);
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return 0;
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}
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s->send_index = 0;
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return size;
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}
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static ssize_t net_socket_receive_dgram(NetClientState *nc, const uint8_t *buf, size_t size)
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{
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NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc);
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ssize_t ret;
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do {
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if (s->dgram_dst.sin_family != AF_UNIX) {
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ret = qemu_sendto(s->fd, buf, size, 0,
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(struct sockaddr *)&s->dgram_dst,
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sizeof(s->dgram_dst));
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} else {
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ret = send(s->fd, buf, size, 0);
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}
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} while (ret == -1 && errno == EINTR);
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if (ret == -1 && errno == EAGAIN) {
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net_socket_write_poll(s, true);
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return 0;
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}
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return ret;
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}
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static void net_socket_send_completed(NetClientState *nc, ssize_t len)
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{
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NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc);
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if (!s->read_poll) {
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net_socket_read_poll(s, true);
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}
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}
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static void net_socket_rs_finalize(SocketReadState *rs)
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{
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NetSocketState *s = container_of(rs, NetSocketState, rs);
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if (qemu_send_packet_async(&s->nc, rs->buf,
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rs->packet_len,
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net_socket_send_completed) == 0) {
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net_socket_read_poll(s, false);
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}
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}
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static void net_socket_send(void *opaque)
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{
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NetSocketState *s = opaque;
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int size;
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int ret;
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uint8_t buf1[NET_BUFSIZE];
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const uint8_t *buf;
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size = qemu_recv(s->fd, buf1, sizeof(buf1), 0);
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if (size < 0) {
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if (errno != EWOULDBLOCK)
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goto eoc;
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} else if (size == 0) {
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/* end of connection */
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eoc:
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net_socket_read_poll(s, false);
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net_socket_write_poll(s, false);
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if (s->listen_fd != -1) {
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qemu_set_fd_handler(s->listen_fd, net_socket_accept, NULL, s);
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}
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closesocket(s->fd);
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s->fd = -1;
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net_socket_rs_init(&s->rs, net_socket_rs_finalize, false);
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s->nc.link_down = true;
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memset(s->nc.info_str, 0, sizeof(s->nc.info_str));
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return;
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}
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buf = buf1;
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ret = net_fill_rstate(&s->rs, buf, size);
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if (ret == -1) {
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goto eoc;
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}
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}
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static void net_socket_send_dgram(void *opaque)
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{
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NetSocketState *s = opaque;
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int size;
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size = qemu_recv(s->fd, s->rs.buf, sizeof(s->rs.buf), 0);
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if (size < 0)
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return;
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if (size == 0) {
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/* end of connection */
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net_socket_read_poll(s, false);
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net_socket_write_poll(s, false);
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return;
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}
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if (qemu_send_packet_async(&s->nc, s->rs.buf, size,
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net_socket_send_completed) == 0) {
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net_socket_read_poll(s, false);
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}
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}
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static int net_socket_mcast_create(struct sockaddr_in *mcastaddr,
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struct in_addr *localaddr,
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Error **errp)
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{
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struct ip_mreq imr;
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int fd;
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int val, ret;
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#ifdef __OpenBSD__
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unsigned char loop;
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#else
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int loop;
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#endif
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if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
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error_setg(errp, "specified mcastaddr %s (0x%08x) "
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"does not contain a multicast address",
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inet_ntoa(mcastaddr->sin_addr),
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(int)ntohl(mcastaddr->sin_addr.s_addr));
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return -1;
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}
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fd = qemu_socket(PF_INET, SOCK_DGRAM, 0);
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if (fd < 0) {
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error_setg_errno(errp, errno, "can't create datagram socket");
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return -1;
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}
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/* Allow multiple sockets to bind the same multicast ip and port by setting
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* SO_REUSEADDR. This is the only situation where SO_REUSEADDR should be set
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* on windows. Use socket_set_fast_reuse otherwise as it sets SO_REUSEADDR
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* only on posix systems.
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*/
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val = 1;
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ret = qemu_setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
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if (ret < 0) {
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error_setg_errno(errp, errno,
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"can't set socket option SO_REUSEADDR");
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goto fail;
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}
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ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
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if (ret < 0) {
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error_setg_errno(errp, errno, "can't bind ip=%s to socket",
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inet_ntoa(mcastaddr->sin_addr));
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goto fail;
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}
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/* Add host to multicast group */
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imr.imr_multiaddr = mcastaddr->sin_addr;
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if (localaddr) {
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imr.imr_interface = *localaddr;
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} else {
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imr.imr_interface.s_addr = htonl(INADDR_ANY);
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}
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ret = qemu_setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
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&imr, sizeof(struct ip_mreq));
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if (ret < 0) {
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error_setg_errno(errp, errno,
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"can't add socket to multicast group %s",
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inet_ntoa(imr.imr_multiaddr));
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goto fail;
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}
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/* Force mcast msgs to loopback (eg. several QEMUs in same host */
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loop = 1;
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ret = qemu_setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
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&loop, sizeof(loop));
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if (ret < 0) {
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error_setg_errno(errp, errno,
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"can't force multicast message to loopback");
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goto fail;
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}
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/* If a bind address is given, only send packets from that address */
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if (localaddr != NULL) {
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ret = qemu_setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
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localaddr, sizeof(*localaddr));
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if (ret < 0) {
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error_setg_errno(errp, errno,
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"can't set the default network send interface");
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goto fail;
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}
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}
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qemu_set_nonblock(fd);
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return fd;
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fail:
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if (fd >= 0)
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closesocket(fd);
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return -1;
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}
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static void net_socket_cleanup(NetClientState *nc)
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{
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NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc);
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if (s->fd != -1) {
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net_socket_read_poll(s, false);
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net_socket_write_poll(s, false);
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close(s->fd);
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s->fd = -1;
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}
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if (s->listen_fd != -1) {
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qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
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closesocket(s->listen_fd);
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s->listen_fd = -1;
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}
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}
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static NetClientInfo net_dgram_socket_info = {
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.type = NET_CLIENT_DRIVER_SOCKET,
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.size = sizeof(NetSocketState),
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.receive = net_socket_receive_dgram,
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.cleanup = net_socket_cleanup,
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};
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static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer,
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const char *model,
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const char *name,
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int fd, int is_connected,
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const char *mcast,
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Error **errp)
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{
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struct sockaddr_in saddr;
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int newfd;
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NetClientState *nc;
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NetSocketState *s;
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SocketAddress *sa;
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SocketAddressType sa_type;
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sa = socket_local_address(fd, errp);
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if (!sa) {
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return NULL;
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}
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sa_type = sa->type;
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qapi_free_SocketAddress(sa);
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/* fd passed: multicast: "learn" dgram_dst address from bound address and save it
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* Because this may be "shared" socket from a "master" process, datagrams would be recv()
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* by ONLY ONE process: we must "clone" this dgram socket --jjo
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*/
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if (is_connected && mcast != NULL) {
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if (parse_host_port(&saddr, mcast, errp) < 0) {
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goto err;
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}
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/* must be bound */
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if (saddr.sin_addr.s_addr == 0) {
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error_setg(errp, "can't setup multicast destination address");
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goto err;
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}
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/* clone dgram socket */
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newfd = net_socket_mcast_create(&saddr, NULL, errp);
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if (newfd < 0) {
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goto err;
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}
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/* clone newfd to fd, close newfd */
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dup2(newfd, fd);
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close(newfd);
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}
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nc = qemu_new_net_client(&net_dgram_socket_info, peer, model, name);
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s = DO_UPCAST(NetSocketState, nc, nc);
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s->fd = fd;
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s->listen_fd = -1;
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s->send_fn = net_socket_send_dgram;
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net_socket_rs_init(&s->rs, net_socket_rs_finalize, false);
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net_socket_read_poll(s, true);
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/* mcast: save bound address as dst */
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if (is_connected && mcast != NULL) {
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s->dgram_dst = saddr;
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snprintf(nc->info_str, sizeof(nc->info_str),
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"socket: fd=%d (cloned mcast=%s:%d)",
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fd, inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
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} else {
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if (sa_type == SOCKET_ADDRESS_TYPE_UNIX) {
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s->dgram_dst.sin_family = AF_UNIX;
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}
|
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snprintf(nc->info_str, sizeof(nc->info_str),
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"socket: fd=%d %s", fd, SocketAddressType_str(sa_type));
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}
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return s;
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err:
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closesocket(fd);
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return NULL;
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}
|
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|
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static void net_socket_connect(void *opaque)
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{
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NetSocketState *s = opaque;
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s->send_fn = net_socket_send;
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net_socket_read_poll(s, true);
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}
|
|
|
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static NetClientInfo net_socket_info = {
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.type = NET_CLIENT_DRIVER_SOCKET,
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.size = sizeof(NetSocketState),
|
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.receive = net_socket_receive,
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.cleanup = net_socket_cleanup,
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};
|
|
|
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static NetSocketState *net_socket_fd_init_stream(NetClientState *peer,
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|
const char *model,
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const char *name,
|
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int fd, int is_connected)
|
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{
|
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NetClientState *nc;
|
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NetSocketState *s;
|
|
|
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nc = qemu_new_net_client(&net_socket_info, peer, model, name);
|
|
|
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snprintf(nc->info_str, sizeof(nc->info_str), "socket: fd=%d", fd);
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|
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s = DO_UPCAST(NetSocketState, nc, nc);
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|
|
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s->fd = fd;
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s->listen_fd = -1;
|
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net_socket_rs_init(&s->rs, net_socket_rs_finalize, false);
|
|
|
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/* Disable Nagle algorithm on TCP sockets to reduce latency */
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socket_set_nodelay(fd);
|
|
|
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if (is_connected) {
|
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net_socket_connect(s);
|
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} else {
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qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
|
|
}
|
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return s;
|
|
}
|
|
|
|
static NetSocketState *net_socket_fd_init(NetClientState *peer,
|
|
const char *model, const char *name,
|
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int fd, int is_connected,
|
|
const char *mc, Error **errp)
|
|
{
|
|
int so_type = -1, optlen=sizeof(so_type);
|
|
|
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if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type,
|
|
(socklen_t *)&optlen)< 0) {
|
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error_setg(errp, "can't get socket option SO_TYPE");
|
|
closesocket(fd);
|
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return NULL;
|
|
}
|
|
switch(so_type) {
|
|
case SOCK_DGRAM:
|
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return net_socket_fd_init_dgram(peer, model, name, fd, is_connected,
|
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mc, errp);
|
|
case SOCK_STREAM:
|
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return net_socket_fd_init_stream(peer, model, name, fd, is_connected);
|
|
default:
|
|
error_setg(errp, "socket type=%d for fd=%d must be either"
|
|
" SOCK_DGRAM or SOCK_STREAM", so_type, fd);
|
|
closesocket(fd);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void net_socket_accept(void *opaque)
|
|
{
|
|
NetSocketState *s = opaque;
|
|
struct sockaddr_in saddr;
|
|
socklen_t len;
|
|
int fd;
|
|
|
|
for(;;) {
|
|
len = sizeof(saddr);
|
|
fd = qemu_accept(s->listen_fd, (struct sockaddr *)&saddr, &len);
|
|
if (fd < 0 && errno != EINTR) {
|
|
return;
|
|
} else if (fd >= 0) {
|
|
qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
|
|
break;
|
|
}
|
|
}
|
|
|
|
s->fd = fd;
|
|
s->nc.link_down = false;
|
|
net_socket_connect(s);
|
|
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
|
|
"socket: connection from %s:%d",
|
|
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
|
|
}
|
|
|
|
static int net_socket_listen_init(NetClientState *peer,
|
|
const char *model,
|
|
const char *name,
|
|
const char *host_str,
|
|
Error **errp)
|
|
{
|
|
NetClientState *nc;
|
|
NetSocketState *s;
|
|
struct sockaddr_in saddr;
|
|
int fd, ret;
|
|
|
|
if (parse_host_port(&saddr, host_str, errp) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
|
|
if (fd < 0) {
|
|
error_setg_errno(errp, errno, "can't create stream socket");
|
|
return -1;
|
|
}
|
|
qemu_set_nonblock(fd);
|
|
|
|
socket_set_fast_reuse(fd);
|
|
|
|
ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
|
|
if (ret < 0) {
|
|
error_setg_errno(errp, errno, "can't bind ip=%s to socket",
|
|
inet_ntoa(saddr.sin_addr));
|
|
closesocket(fd);
|
|
return -1;
|
|
}
|
|
ret = listen(fd, 0);
|
|
if (ret < 0) {
|
|
error_setg_errno(errp, errno, "can't listen on socket");
|
|
closesocket(fd);
|
|
return -1;
|
|
}
|
|
|
|
nc = qemu_new_net_client(&net_socket_info, peer, model, name);
|
|
s = DO_UPCAST(NetSocketState, nc, nc);
|
|
s->fd = -1;
|
|
s->listen_fd = fd;
|
|
s->nc.link_down = true;
|
|
net_socket_rs_init(&s->rs, net_socket_rs_finalize, false);
|
|
|
|
qemu_set_fd_handler(s->listen_fd, net_socket_accept, NULL, s);
|
|
return 0;
|
|
}
|
|
|
|
static int net_socket_connect_init(NetClientState *peer,
|
|
const char *model,
|
|
const char *name,
|
|
const char *host_str,
|
|
Error **errp)
|
|
{
|
|
NetSocketState *s;
|
|
int fd, connected, ret;
|
|
struct sockaddr_in saddr;
|
|
|
|
if (parse_host_port(&saddr, host_str, errp) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
|
|
if (fd < 0) {
|
|
error_setg_errno(errp, errno, "can't create stream socket");
|
|
return -1;
|
|
}
|
|
qemu_set_nonblock(fd);
|
|
|
|
connected = 0;
|
|
for(;;) {
|
|
ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
|
|
if (ret < 0) {
|
|
if (errno == EINTR || errno == EWOULDBLOCK) {
|
|
/* continue */
|
|
} else if (errno == EINPROGRESS ||
|
|
errno == EALREADY ||
|
|
errno == EINVAL) {
|
|
break;
|
|
} else {
|
|
error_setg_errno(errp, errno, "can't connect socket");
|
|
closesocket(fd);
|
|
return -1;
|
|
}
|
|
} else {
|
|
connected = 1;
|
|
break;
|
|
}
|
|
}
|
|
s = net_socket_fd_init(peer, model, name, fd, connected, NULL, errp);
|
|
if (!s) {
|
|
return -1;
|
|
}
|
|
|
|
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
|
|
"socket: connect to %s:%d",
|
|
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
|
|
return 0;
|
|
}
|
|
|
|
static int net_socket_mcast_init(NetClientState *peer,
|
|
const char *model,
|
|
const char *name,
|
|
const char *host_str,
|
|
const char *localaddr_str,
|
|
Error **errp)
|
|
{
|
|
NetSocketState *s;
|
|
int fd;
|
|
struct sockaddr_in saddr;
|
|
struct in_addr localaddr, *param_localaddr;
|
|
|
|
if (parse_host_port(&saddr, host_str, errp) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
if (localaddr_str != NULL) {
|
|
if (inet_aton(localaddr_str, &localaddr) == 0) {
|
|
error_setg(errp, "localaddr '%s' is not a valid IPv4 address",
|
|
localaddr_str);
|
|
return -1;
|
|
}
|
|
param_localaddr = &localaddr;
|
|
} else {
|
|
param_localaddr = NULL;
|
|
}
|
|
|
|
fd = net_socket_mcast_create(&saddr, param_localaddr, errp);
|
|
if (fd < 0) {
|
|
return -1;
|
|
}
|
|
|
|
s = net_socket_fd_init(peer, model, name, fd, 0, NULL, errp);
|
|
if (!s) {
|
|
return -1;
|
|
}
|
|
|
|
s->dgram_dst = saddr;
|
|
|
|
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
|
|
"socket: mcast=%s:%d",
|
|
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
|
|
return 0;
|
|
|
|
}
|
|
|
|
static int net_socket_udp_init(NetClientState *peer,
|
|
const char *model,
|
|
const char *name,
|
|
const char *rhost,
|
|
const char *lhost,
|
|
Error **errp)
|
|
{
|
|
NetSocketState *s;
|
|
int fd, ret;
|
|
struct sockaddr_in laddr, raddr;
|
|
|
|
if (parse_host_port(&laddr, lhost, errp) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
if (parse_host_port(&raddr, rhost, errp) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
fd = qemu_socket(PF_INET, SOCK_DGRAM, 0);
|
|
if (fd < 0) {
|
|
error_setg_errno(errp, errno, "can't create datagram socket");
|
|
return -1;
|
|
}
|
|
|
|
ret = socket_set_fast_reuse(fd);
|
|
if (ret < 0) {
|
|
error_setg_errno(errp, errno,
|
|
"can't set socket option SO_REUSEADDR");
|
|
closesocket(fd);
|
|
return -1;
|
|
}
|
|
ret = bind(fd, (struct sockaddr *)&laddr, sizeof(laddr));
|
|
if (ret < 0) {
|
|
error_setg_errno(errp, errno, "can't bind ip=%s to socket",
|
|
inet_ntoa(laddr.sin_addr));
|
|
closesocket(fd);
|
|
return -1;
|
|
}
|
|
qemu_set_nonblock(fd);
|
|
|
|
s = net_socket_fd_init(peer, model, name, fd, 0, NULL, errp);
|
|
if (!s) {
|
|
return -1;
|
|
}
|
|
|
|
s->dgram_dst = raddr;
|
|
|
|
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
|
|
"socket: udp=%s:%d",
|
|
inet_ntoa(raddr.sin_addr), ntohs(raddr.sin_port));
|
|
return 0;
|
|
}
|
|
|
|
int net_init_socket(const Netdev *netdev, const char *name,
|
|
NetClientState *peer, Error **errp)
|
|
{
|
|
const NetdevSocketOptions *sock;
|
|
|
|
assert(netdev->type == NET_CLIENT_DRIVER_SOCKET);
|
|
sock = &netdev->u.socket;
|
|
|
|
if (sock->has_fd + sock->has_listen + sock->has_connect + sock->has_mcast +
|
|
sock->has_udp != 1) {
|
|
error_setg(errp, "exactly one of listen=, connect=, mcast= or udp="
|
|
" is required");
|
|
return -1;
|
|
}
|
|
|
|
if (sock->has_localaddr && !sock->has_mcast && !sock->has_udp) {
|
|
error_setg(errp, "localaddr= is only valid with mcast= or udp=");
|
|
return -1;
|
|
}
|
|
|
|
if (sock->has_fd) {
|
|
int fd, ret;
|
|
|
|
fd = monitor_fd_param(monitor_cur(), sock->fd, errp);
|
|
if (fd == -1) {
|
|
return -1;
|
|
}
|
|
ret = qemu_try_set_nonblock(fd);
|
|
if (ret < 0) {
|
|
error_setg_errno(errp, -ret, "%s: Can't use file descriptor %d",
|
|
name, fd);
|
|
return -1;
|
|
}
|
|
if (!net_socket_fd_init(peer, "socket", name, fd, 1, sock->mcast,
|
|
errp)) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (sock->has_listen) {
|
|
if (net_socket_listen_init(peer, "socket", name, sock->listen, errp)
|
|
< 0) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (sock->has_connect) {
|
|
if (net_socket_connect_init(peer, "socket", name, sock->connect, errp)
|
|
< 0) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (sock->has_mcast) {
|
|
/* if sock->localaddr is missing, it has been initialized to "all bits
|
|
* zero" */
|
|
if (net_socket_mcast_init(peer, "socket", name, sock->mcast,
|
|
sock->localaddr, errp) < 0) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
assert(sock->has_udp);
|
|
if (!sock->has_localaddr) {
|
|
error_setg(errp, "localaddr= is mandatory with udp=");
|
|
return -1;
|
|
}
|
|
if (net_socket_udp_init(peer, "socket", name, sock->udp, sock->localaddr,
|
|
errp) < 0) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|