Struct ServiceControlAccept 

pub struct ServiceControlAccept(/* private fields */);

Flags describing accepted types of service control events.

Implementations

impl ServiceControlAccept

pub const NETBIND_CHANGE: Self

The service is a network component that can accept changes in its binding without being stopped and restarted. This allows service to receive ServiceControl::Netbind* family of events.

pub const PARAM_CHANGE: Self

The service can reread its startup parameters without being stopped and restarted.

pub const PAUSE_CONTINUE: Self

The service can be paused and continued.

pub const PRESHUTDOWN: Self

The service can perform preshutdown tasks. Mutually exclusive with shutdown.

pub const SHUTDOWN: Self

The service is notified when system shutdown occurs. Mutually exclusive with preshutdown.

pub const STOP: Self

The service can be stopped.

pub const HARDWARE_PROFILE_CHANGE: Self

The service is notified when the computer’s hardware profile has changed. This enables the system to send SERVICE_CONTROL_HARDWAREPROFILECHANGE notifications to the service.

pub const POWER_EVENT: Self

The service is notified when the computer’s power status has changed. This enables the system to send SERVICE_CONTROL_POWEREVENT notifications to the service.

pub const SESSION_CHANGE: Self

The service is notified when the computer’s session status has changed. This enables the system to send SERVICE_CONTROL_SESSIONCHANGE notifications to the service.

pub const TIME_CHANGE: Self

The service is notified when the system time has changed. This enables the system to send SERVICE_CONTROL_TIMECHANGE notifications to the service.

pub const TRIGGER_EVENT: Self

The service is notified when an event for which the service has registered occurs. This enables the system to send SERVICE_CONTROL_TRIGGEREVENT notifications to the service.

impl ServiceControlAccept

pub const fn empty() -> Self

Get a flags value with all bits unset.

Examples found in repository

examples/ping_service.rs (line 139)

    pub fn run_service() -> Result<()> {
        // Create a channel to be able to poll a stop event from the service worker loop.
        let (shutdown_tx, shutdown_rx) = mpsc::channel();

        // Define system service event handler that will be receiving service events.
        let event_handler = move |control_event| -> ServiceControlHandlerResult {
            match control_event {
                // Notifies a service to report its current status information to the service
                // control manager. Always return NoError even if not implemented.
                ServiceControl::Interrogate => ServiceControlHandlerResult::NoError,

                // Handle stop
                ServiceControl::Stop => {
                    shutdown_tx.send(()).unwrap();
                    ServiceControlHandlerResult::NoError
                }

                // treat the UserEvent as a stop request
                ServiceControl::UserEvent(code) => {
                    if code.to_raw() == 130 {
                        shutdown_tx.send(()).unwrap();
                    }
                    ServiceControlHandlerResult::NoError
                }

                _ => ServiceControlHandlerResult::NotImplemented,
            }
        };

        // Register system service event handler.
        // The returned status handle should be used to report service status changes to the system.
        let status_handle = service_control_handler::register(SERVICE_NAME, event_handler)?;

        // Tell the system that service is running
        status_handle.set_service_status(ServiceStatus {
            service_type: SERVICE_TYPE,
            current_state: ServiceState::Running,
            controls_accepted: ServiceControlAccept::STOP,
            exit_code: ServiceExitCode::Win32(0),
            checkpoint: 0,
            wait_hint: Duration::default(),
            process_id: None,
        })?;

        // For demo purposes this service sends a UDP packet once a second.
        let loopback_ip = IpAddr::from(LOOPBACK_ADDR);
        let sender_addr = SocketAddr::new(loopback_ip, 0);
        let receiver_addr = SocketAddr::new(loopback_ip, RECEIVER_PORT);
        let msg = PING_MESSAGE.as_bytes();
        let socket = UdpSocket::bind(sender_addr).unwrap();

        loop {
            let _ = socket.send_to(msg, receiver_addr);

            // Poll shutdown event.
            match shutdown_rx.recv_timeout(Duration::from_secs(1)) {
                // Break the loop either upon stop or channel disconnect
                Ok(_) | Err(mpsc::RecvTimeoutError::Disconnected) => break,

                // Continue work if no events were received within the timeout
                Err(mpsc::RecvTimeoutError::Timeout) => (),
            };
        }

        // Tell the system that service has stopped.
        status_handle.set_service_status(ServiceStatus {
            service_type: SERVICE_TYPE,
            current_state: ServiceState::Stopped,
            controls_accepted: ServiceControlAccept::empty(),
            exit_code: ServiceExitCode::Win32(0),
            checkpoint: 0,
            wait_hint: Duration::default(),
            process_id: None,
        })?;

        Ok(())
    }

pub const fn all() -> Self

Get a flags value with all known bits set.

pub const fn bits(&self) -> u32

Get the underlying bits value.

The returned value is exactly the bits set in this flags value.

pub const fn from_bits(bits: u32) -> Option<Self>

Convert from a bits value.

This method will return None if any unknown bits are set.

pub const fn from_bits_truncate(bits: u32) -> Self

Convert from a bits value, unsetting any unknown bits.

pub const fn from_bits_retain(bits: u32) -> Self

Convert from a bits value exactly.

pub fn from_name(name: &str) -> Option<Self>

Get a flags value with the bits of a flag with the given name set.

This method will return None if name is empty or doesn’t correspond to any named flag.

pub const fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.

pub const fn is_all(&self) -> bool

Whether all known bits in this flags value are set.

pub const fn intersects(&self, other: Self) -> bool

Whether any set bits in a source flags value are also set in a target flags value.

pub const fn contains(&self, other: Self) -> bool

Whether all set bits in a source flags value are also set in a target flags value.

pub fn insert(&mut self, other: Self)

The bitwise or (|) of the bits in two flags values.

pub fn remove(&mut self, other: Self)

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. remove won’t truncate other, but the ! operator will.

pub fn toggle(&mut self, other: Self)

The bitwise exclusive-or (^) of the bits in two flags values.

pub fn set(&mut self, other: Self, value: bool)

Call insert when value is true or remove when value is false.

pub const fn intersection(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

pub const fn union(self, other: Self) -> Self

The bitwise or (|) of the bits in two flags values.

pub const fn difference(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

pub const fn symmetric_difference(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

pub const fn complement(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

impl ServiceControlAccept

pub const fn iter(&self) -> Iter<ServiceControlAccept>

Yield a set of contained flags values.

Each yielded flags value will correspond to a defined named flag. Any unknown bits will be yielded together as a final flags value.

pub const fn iter_names(&self) -> IterNames<ServiceControlAccept>

Yield a set of contained named flags values.

This method is like iter, except only yields bits in contained named flags. Any unknown bits, or bits not corresponding to a contained flag will not be yielded.

Trait Implementations

impl Binary for ServiceControlAccept

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl BitAnd for ServiceControlAccept

fn bitand(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

type Output = ServiceControlAccept

The resulting type after applying the & operator.

impl BitAndAssign for ServiceControlAccept

fn bitand_assign(&mut self, other: Self)

The bitwise and (&) of the bits in two flags values.

impl BitOr for ServiceControlAccept

fn bitor(self, other: ServiceControlAccept) -> Self

The bitwise or (|) of the bits in two flags values.

type Output = ServiceControlAccept

The resulting type after applying the | operator.

impl BitOrAssign for ServiceControlAccept

fn bitor_assign(&mut self, other: Self)

The bitwise or (|) of the bits in two flags values.

impl BitXor for ServiceControlAccept

fn bitxor(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

type Output = ServiceControlAccept

The resulting type after applying the ^ operator.

impl BitXorAssign for ServiceControlAccept

fn bitxor_assign(&mut self, other: Self)

The bitwise exclusive-or (^) of the bits in two flags values.

impl Clone for ServiceControlAccept

fn clone(&self) -> ServiceControlAccept

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ServiceControlAccept

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Extend<ServiceControlAccept> for ServiceControlAccept

fn extend<T: IntoIterator<Item = Self>>(&mut self, iterator: T)

The bitwise or (|) of the bits in each flags value.

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl Flags for ServiceControlAccept

const FLAGS: &'static [Flag<ServiceControlAccept>]

The set of defined flags.

type Bits = u32

The underlying bits type.

fn bits(&self) -> u32

Get the underlying bits value.

fn from_bits_retain(bits: u32) -> ServiceControlAccept

Convert from a bits value exactly.

fn empty() -> Self

Get a flags value with all bits unset.

fn all() -> Self

Get a flags value with all known bits set.

fn from_bits(bits: Self::Bits) -> Option<Self>

Convert from a bits value.

fn from_bits_truncate(bits: Self::Bits) -> Self

Convert from a bits value, unsetting any unknown bits.

fn from_name(name: &str) -> Option<Self>

Get a flags value with the bits of a flag with the given name set.

fn iter(&self) -> Iter<Self>

Yield a set of contained flags values.

fn iter_names(&self) -> IterNames<Self>

Yield a set of contained named flags values.

fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.

fn is_all(&self) -> bool

Whether all known bits in this flags value are set.

fn intersects(&self, other: Self) -> bool

where Self: Sized,

Whether any set bits in a source flags value are also set in a target flags value.

fn contains(&self, other: Self) -> bool

where Self: Sized,

Whether all set bits in a source flags value are also set in a target flags value.

fn insert(&mut self, other: Self)

where Self: Sized,

The bitwise or (|) of the bits in two flags values.

fn remove(&mut self, other: Self)

where Self: Sized,

The intersection of a source flags value with the complement of a target flags value (&!).

fn toggle(&mut self, other: Self)

where Self: Sized,

The bitwise exclusive-or (^) of the bits in two flags values.

fn set(&mut self, other: Self, value: bool)

where Self: Sized,

Call Flags::insert when value is true or Flags::remove when value is false.

fn intersection(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

fn union(self, other: Self) -> Self

The bitwise or (|) of the bits in two flags values.

fn difference(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

fn symmetric_difference(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

fn complement(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

impl FromIterator<ServiceControlAccept> for ServiceControlAccept

fn from_iter<T: IntoIterator<Item = Self>>(iterator: T) -> Self

The bitwise or (|) of the bits in each flags value.

impl Hash for ServiceControlAccept

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl IntoIterator for ServiceControlAccept

type Item = ServiceControlAccept

The type of the elements being iterated over.

type IntoIter = Iter<ServiceControlAccept>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl LowerHex for ServiceControlAccept

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Not for ServiceControlAccept

fn not(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

type Output = ServiceControlAccept

The resulting type after applying the ! operator.

impl Octal for ServiceControlAccept

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Ord for ServiceControlAccept

fn cmp(&self, other: &ServiceControlAccept) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for ServiceControlAccept

fn eq(&self, other: &ServiceControlAccept) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for ServiceControlAccept

fn partial_cmp(&self, other: &ServiceControlAccept) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl PublicFlags for ServiceControlAccept

type Primitive = u32

The type of the underlying storage.

type Internal = InternalBitFlags

The type of the internal field on the generated flags type.

impl Sub for ServiceControlAccept

fn sub(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

type Output = ServiceControlAccept

The resulting type after applying the - operator.

impl SubAssign for ServiceControlAccept

fn sub_assign(&mut self, other: Self)

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

impl UpperHex for ServiceControlAccept

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for ServiceControlAccept

impl Eq for ServiceControlAccept

impl StructuralPartialEq for ServiceControlAccept