Enum Action 

pub enum Action<'a> {
    SendMetadata {
        transaction_id: TransactionId,
        destination_id: EntityId,
        file_size: u64,
        source_file_name: FileId,
        destination_file_name: FileId,
        checksum_type: ChecksumType,
    },
    SendFileData {
        transaction_id: TransactionId,
        destination_id: EntityId,
        offset: u64,
        data: &'a [u8],
    },
    SendEof {
        transaction_id: TransactionId,
        destination_id: EntityId,
        condition_code: ConditionCode,
        file_size: u64,
        checksum: u32,
    },
    SendFinished {
        transaction_id: TransactionId,
        destination_id: EntityId,
        condition_code: ConditionCode,
    },
    SendAck {
        transaction_id: TransactionId,
        destination_id: EntityId,
        acked_directive_code: AckedDirectiveCode,
        condition_code: ConditionCode,
        transaction_status: TransactionStatus,
    },
    SendPrompt {
        transaction_id: TransactionId,
        destination_id: EntityId,
        prompt_type: PromptType,
    },
    ReadDataSegment {
        transaction_id: TransactionId,
        start_offset: u64,
        end_offset: u64,
    },
    ReadDataSegmentBatch {
        transaction_id: TransactionId,
        segments: NakSegmentsIterator<'a>,
    },
    StartTimer {
        transaction_id: TransactionId,
        timer_type: TimerType,
        seconds: u16,
    },
    StopTimer {
        transaction_id: TransactionId,
        timer_type: Option<TimerType>,
    },
    TerminateTransaction {
        transaction_id: TransactionId,
        condition_code: ConditionCode,
    },
    CalculateChecksum {
        transaction_id: TransactionId,
        checksum_type: ChecksumType,
    },
    NotifyFault {
        transaction_id: TransactionId,
        condition_code: ConditionCode,
    },
    NotifySuspended {
        transaction_id: TransactionId,
    },
    NotifyResumed {
        transaction_id: TransactionId,
        progress: u64,
    },
}

Represents all possible outputs from the SenderMachine.

These are instructions for the Runner to execute, such as sending PDUs, managing timers, or interacting with the filestore.

Variants

SendMetadata

Instructs the Runner to serialize and send a Metadata PDU.

Fields

transaction_id: TransactionId

Identifies the transaction this PDU belongs to.

destination_id: EntityId

The remote entity to send this PDU to.

file_size: u64

Total size of the file being transferred in bytes.

source_file_name: FileId

Filestore identifier for the file on the sending side.

destination_file_name: FileId

Filestore identifier for the file on the receiving side.

checksum_type: ChecksumType

Algorithm used to verify file integrity.

SendFileData

Instructs the Runner to serialize and send a File Data PDU.

Fields

transaction_id: TransactionId

Identifies the transaction this PDU belongs to.

destination_id: EntityId

The remote entity to send this PDU to.

offset: u64

Byte offset within the file where this data begins.

data: &'a [u8]

The file data segment payload.

SendEof

Instructs the Runner to serialize and send an EOF PDU.

Fields

transaction_id: TransactionId

Identifies the transaction this PDU belongs to.

destination_id: EntityId

The remote entity to send this PDU to.

condition_code: ConditionCode

Status condition at the time the EOF is sent.

file_size: u64

Total size of the file in bytes.

checksum: u32

Computed checksum of the complete file data.

SendFinished

Instructs the Runner to serialize and send a Finished PDU.

Fields

transaction_id: TransactionId

Identifies the transaction this PDU belongs to.

destination_id: EntityId

The remote entity to send this PDU to.

condition_code: ConditionCode

Final status condition of the transaction.

SendAck

Instructs the Runner to serialize and send an ACK PDU.

Fields

transaction_id: TransactionId

Identifies the transaction this PDU belongs to.

destination_id: EntityId

The remote entity to send this PDU to.

acked_directive_code: AckedDirectiveCode

The directive code being acknowledged.

condition_code: ConditionCode

Status condition associated with the acknowledgment.

transaction_status: TransactionStatus

Current status of the transaction being acknowledged.

SendPrompt

Instructs the Runner to serialize and send a Prompt PDU.

Fields

transaction_id: TransactionId

Identifies the transaction this PDU belongs to.

destination_id: EntityId

The remote entity to send this PDU to.

prompt_type: PromptType

Whether to prompt for a NAK or Keep Alive response.

ReadDataSegment

Instructs the Runner to read a segment of data from the filestore.

Fields

transaction_id: TransactionId

Identifies the transaction this read belongs to.

start_offset: u64

Byte offset where the segment begins.

end_offset: u64

Byte offset where the segment ends (exclusive).

ReadDataSegmentBatch

Instructs the Runner to read multiple segments of data from the filestore.

Fields

transaction_id: TransactionId

Identifies the transaction this batch read belongs to.

segments: NakSegmentsIterator<'a>

Iterator over the missing segments requested by the receiver.

StartTimer

Instructs the Runner to start a timer for a specific transaction.

Fields

transaction_id: TransactionId

Identifies the transaction this timer belongs to.

timer_type: TimerType

The kind of timer to start (e.g. Ack, Nak, Inactivity).

seconds: u16

Duration of the timer in seconds.

StopTimer

Instructs the Runner to stop a timer for a specific transaction.

Fields

transaction_id: TransactionId

Identifies the transaction this timer belongs to.

timer_type: Option<TimerType>

The type of timer to stop. If None, stops all timers for the transaction.

TerminateTransaction

Instructs the Runner that a transaction is completed and can be cleaned up.

Fields

transaction_id: TransactionId

Identifies the transaction to terminate.

condition_code: ConditionCode

Final status condition describing why the transaction ended.

CalculateChecksum

Instructs the Runner to calculate a checksum for a transaction.

Fields

transaction_id: TransactionId

Identifies the transaction to compute the checksum for.

checksum_type: ChecksumType

Algorithm to use for the checksum calculation.

NotifyFault

Instructs the Runner to notify the user that a fault has occurred.

Fields

transaction_id: TransactionId

Identifies the faulted transaction.

condition_code: ConditionCode

The condition that caused the fault.

NotifySuspended

Instructs the Runner to notify the user that a transaction was suspended.

Fields

transaction_id: TransactionId

Identifies the suspended transaction.

NotifyResumed

Instructs the Runner to notify the user that a transaction was resumed.

Fields

transaction_id: TransactionId

Identifies the resumed transaction.

progress: u64

Number of bytes successfully transferred before suspension.

Trait Implementations

impl<'a> Debug for Action<'a>

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

Formats the value using the given formatter.