state.proto

syntax = "proto3";

package synchronization;

option go_package = "github.com/mutagen-io/mutagen/pkg/synchronization";

import "synchronization/rsync/receive.proto";
import "synchronization/session.proto";
import "synchronization/core/conflict.proto";
import "synchronization/core/problem.proto";

// Status encodes the status of a synchronization session.
enum Status {
    // Status_Disconnected indicates that the session is unpaused but not
    // currently connected or connecting to either endpoint.
    Disconnected = 0;
    // Status_HaltedOnRootEmptied indicates that the session is halted due to
    // the root emptying safety check.
    HaltedOnRootEmptied = 1;
    // Status_HaltedOnRootDeletion indicates that the session is halted due to
    // the root deletion safety check.
    HaltedOnRootDeletion = 2;
    // Status_HaltedOnRootTypeChange indicates that the session is halted due to
    // the root type change safety check.
    HaltedOnRootTypeChange = 3;
    // Status_ConnectingAlpha indicates that the session is attempting to
    // connect to the alpha endpoint.
    ConnectingAlpha = 4;
    // Status_ConnectingBeta indicates that the session is attempting to connect
    // to the beta endpoint.
    ConnectingBeta = 5;
    // Status_Watching indicates that the session is watching for filesystem
    // changes.
    Watching = 6;
    // Status_Scanning indicates that the session is scanning the filesystem on
    // each endpoint.
    Scanning = 7;
    // Status_WaitingForRescan indicates that the session is waiting to retry
    // scanning after an error during the previous scanning operation.
    WaitingForRescan = 8;
    // Status_Reconciling indicates that the session is performing
    // reconciliation.
    Reconciling = 9;
    // Status_StagingAlpha indicates that the session is staging files on alpha.
    StagingAlpha = 10;
    // Status_StagingBeta indicates that the session is staging files on beta.
    StagingBeta = 11;
    // Status_Transitioning indicates that the session is performing transition
    // operations on each endpoint.
    Transitioning = 12;
    // Status_Saving indicates that the session is recording synchronization
    // history to disk.
    Saving = 13;
}

// EndpointState encodes the current state of a synchronization endpoint. It is
// mutable within the context of the daemon, so it should be accessed and
// modified in a synchronized fashion. Outside of the daemon (e.g. when returned
// via the API), it should be considered immutable.
message EndpointState {
    // Connected indicates whether or not the controller is currently connected
    // to the endpoint.
    bool connected = 1;
    // Scanned indicates whether or not at least one scan has been performed on
    // the endpoint.
    bool scanned = 2;
    // Directories is the number of synchronizable directory entries contained
    // in the last snapshot from the endpoint.
    uint64 directories = 3;
    // Files is the number of synchronizable file entries contained in the last
    // snapshot from the endpoint.
    uint64 files = 4;
    // SymbolicLinks is the number of synchronizable symbolic link entries
    // contained in the last snapshot from the endpoint.
    uint64 symbolicLinks = 5;
    // TotalFileSize is the total size of all synchronizable files referenced by
    // the last snapshot from the endpoint.
    uint64 totalFileSize = 6;
    // ScanProblems is the list of non-terminal problems encountered during the
    // last scanning operation on the endpoint. This list may be a truncated
    // version of the full list if too many problems are encountered to report
    // via the API, in which case ExcludedScanProblems will be non-zero.
    repeated core.Problem scanProblems = 7;
    // ExcludedScanProblems is the number of problems that have been excluded
    // from ScanProblems due to truncation. This value can be non-zero only if
    // ScanProblems is non-empty.
    uint64 excludedScanProblems = 8;
    // TransitionProblems is the list of non-terminal problems encountered
    // during the last transition operation on the endpoint. This list may be a
    // truncated version of the full list if too many problems are encountered
    // to report via the API, in which case ExcludedTransitionProblems will be
    // non-zero.
    repeated core.Problem transitionProblems = 9;
    // ExcludedTransitionProblems is the number of problems that have been
    // excluded from TransitionProblems due to truncation. This value can be
    // non-zero only if TransitionProblems is non-empty.
    uint64 excludedTransitionProblems = 10;
    // StagingProgress is the rsync staging progress. It is non-nil if and only
    // if the endpoint is currently staging files.
    rsync.ReceiverState stagingProgress = 11;
}

// State encodes the current state of a synchronization session. It is mutable
// within the context of the daemon, so it should be accessed and modified in a
// synchronized fashion. Outside of the daemon (e.g. when returned via the API),
// it should be considered immutable.
message State {
    // Session is the session metadata. If the session is paused, then the
    // remainder of the fields in this structure should be ignored.
    Session session = 1;
    // Status is the session status.
    Status status = 2;
    // LastError is the last error to occur during synchronization. It is
    // cleared after a successful synchronization cycle.
    string lastError = 3;
    // SuccessfulCycles is the number of successful synchronization cycles to
    // occur since successfully connecting to the endpoints.
    uint64 successfulCycles = 4;
    // Conflicts are the content conflicts identified during reconciliation.
    // This list may be a truncated version of the full list if too many
    // conflicts are encountered to report via the API, in which case
    // ExcludedConflicts will be non-zero.
    repeated core.Conflict conflicts = 5;
    // ExcludedConflicts is the number of conflicts that have been excluded from
    // Conflicts due to truncation. This value can be non-zero only if conflicts
    // is non-empty.
    uint64 excludedConflicts = 6;
    // AlphaState encodes the state of the alpha endpoint. It is always non-nil.
    EndpointState alphaState = 7;
    // BetaState encodes the state of the beta endpoint. It is always non-nil.
    EndpointState betaState = 8;
}