goto error;
}
sock->rcvbuf = retval;
+ retval = 0;
/* Connect to kernel (pid 0) as remote address. */
memset(&remote, 0, sizeof remote);
error = nl_sock_subscribe_packet__(sock, true);
if (error) {
- VLOG_WARN("could not unsubscribe packets (%s)",
- ovs_strerror(errno));
+ VLOG_WARN("could not subscribe packets (%s)",
+ ovs_strerror(error));
return error;
}
sock->read_ioctl = OVS_IOCTL_READ_PACKET;
int error = nl_sock_subscribe_packet__(sock, false);
if (error) {
- VLOG_WARN("could not subscribe to packets (%s)",
- ovs_strerror(errno));
+ VLOG_WARN("could not unsubscribe to packets (%s)",
+ ovs_strerror(error));
return error;
}
struct ovs_header *ovs_header;
struct nlmsghdr *nlmsg;
uint32_t seq;
- int retval;
+ int retval = 0;
int error;
DWORD bytes;
OVERLAPPED *overlapped = CONST_CAST(OVERLAPPED *, &sock->overlapped);
+ uint16_t cmd = OVS_CTRL_CMD_WIN_PEND_PACKET_REQ;
+
+ ovs_assert(sock->read_ioctl == OVS_IOCTL_READ_PACKET ||
+ sock->read_ioctl == OVS_IOCTL_READ_EVENT);
+ if (sock->read_ioctl == OVS_IOCTL_READ_EVENT) {
+ cmd = OVS_CTRL_CMD_WIN_PEND_REQ;
+ }
int ovs_msg_size = sizeof (struct nlmsghdr) + sizeof (struct genlmsghdr) +
sizeof (struct ovs_header);
seq = nl_sock_allocate_seq(sock, 1);
nl_msg_put_genlmsghdr(&request, 0, OVS_WIN_NL_CTRL_FAMILY_ID, 0,
- OVS_CTRL_CMD_WIN_PEND_REQ, OVS_WIN_CONTROL_VERSION);
+ cmd, OVS_WIN_CONTROL_VERSION);
nlmsg = nl_msg_nlmsghdr(&request);
nlmsg->nlmsg_seq = seq;
nlmsg->nlmsg_pid = sock->pid;
if (error != ERROR_IO_INCOMPLETE && error != ERROR_IO_PENDING) {
VLOG_ERR("nl_sock_wait failed - %s\n", ovs_format_message(error));
retval = EINVAL;
- goto done;
}
} else {
- /* The I/O was completed synchronously */
- poll_immediate_wake();
+ retval = EAGAIN;
}
- retval = 0;
done:
ofpbuf_uninit(&request);
{
#ifdef _WIN32
if (sock->overlapped.Internal != STATUS_PENDING) {
- pend_io_request(CONST_CAST(struct nl_sock *, sock));
- /* XXX: poll_wevent_wait(sock->overlapped.hEvent); */
+ int ret = pend_io_request(CONST_CAST(struct nl_sock *, sock));
+ if (ret == 0) {
+ poll_wevent_wait(sock->overlapped.hEvent);
+ } else {
+ poll_immediate_wake();
+ }
+ } else {
+ poll_wevent_wait(sock->overlapped.hEvent);
}
- poll_immediate_wake(); /* XXX: temporary. */
#else
poll_fd_wait(sock->fd, events);
#endif
}
+#ifndef _WIN32
/* Returns the underlying fd for 'sock', for use in "poll()"-like operations
* that can't use nl_sock_wait().
*
int
nl_sock_fd(const struct nl_sock *sock)
{
-#ifdef _WIN32
- BUILD_ASSERT_DECL(sizeof sock->handle == sizeof(int));
- return (int)sock->handle;
-#else
return sock->fd;
-#endif
}
+#endif
/* Returns the PID associated with this socket. */
uint32_t