105 lines
4.4 KiB
Go
105 lines
4.4 KiB
Go
package main
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// CtrlMsg is the single envelope used for every message exchanged between
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// the manager and a control agent over frameCtrlJSON frames. It is
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// deliberately denormalized (not one struct per message type) to keep
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// (de)serialization trivial.
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type CtrlMsg struct {
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Type string `json:"type"`
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// stat request/response
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Path string `json:"path,omitempty"`
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Exists bool `json:"exists,omitempty"`
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IsDevice bool `json:"isDevice,omitempty"`
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Size int64 `json:"size,omitempty"`
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// NeedPriv marks an error reply whose cause was a permission failure
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// opening a device, so the manager can retry this agent under sudo.
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NeedPriv bool `json:"needPriv,omitempty"`
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// connect_push (-> source agent) / connect_pull (-> dest agent)
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PeerHost string `json:"peerHost,omitempty"`
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PeerUser string `json:"peerUser,omitempty"`
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PeerPort int `json:"peerPort,omitempty"`
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PeerPath string `json:"peerPath,omitempty"`
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// Base/Length restrict a push/pull transfer to a byte window of the
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// path (offset Base, Length bytes). Used by clone-disk to raw-copy a
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// boot region or an offset-addressed partition through the same engine.
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// Size stays the *window* length for the loop math; Base shifts every
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// block offset. Zero Base + Length==Size is the whole-file case that
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// `sync` uses unchanged.
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Base int64 `json:"base,omitempty"`
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PeerBase int64 `json:"peerBase,omitempty"`
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Length int64 `json:"length,omitempty"`
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// PeerLocal is set when both source and dest are local to the manager,
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// so the driver (itself already a local child of the manager) can spawn
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// the sink/source-stream helper as a plain local subprocess instead of
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// over ssh — no loopback SSH access required for same-machine jobs.
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PeerLocal bool `json:"peerLocal,omitempty"`
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RemoteBin string `json:"remoteBin,omitempty"`
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SSHBin string `json:"sshBin,omitempty"`
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SSHOpts []string `json:"sshOpts,omitempty"`
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ConnectTimeoutSec int `json:"connectTimeoutSec,omitempty"`
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BlockSize int64 `json:"blockSize,omitempty"`
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// Sudo tells a push/pull driver to run the peer helper it spawns
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// (sink / source-stream) under "sudo -n" (remote) or "sudo" (local).
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Sudo bool `json:"sudo,omitempty"`
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// failure/error detail
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Reason string `json:"reason,omitempty"`
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Message string `json:"message,omitempty"`
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// progress. Scan and transfer now overlap, so a run emits both "scan"
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// messages (Hashed/TotalBlocks) and transfer messages (Copied/Skipped)
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// interleaved; the printer keeps the latest of each.
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Phase string `json:"phase,omitempty"` // "scan" while hashing the destination; empty during transfer
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Hashed int64 `json:"hashed,omitempty"`
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Copied int64 `json:"copied,omitempty"`
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Skipped int64 `json:"skipped,omitempty"`
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TotalBlocks int64 `json:"totalBlocks,omitempty"`
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BytesCopied int64 `json:"bytesCopied,omitempty"`
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BytesTotal int64 `json:"bytesTotal,omitempty"`
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// clone-disk staging: which partition/step of the whole-disk job the
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// progress or status refers to. Stage is a short human label
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// ("partition table", "boot region", "ntfs p2", "bootloader").
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Stage string `json:"stage,omitempty"`
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PartIndex int `json:"partIndex,omitempty"`
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PartTotal int `json:"partTotal,omitempty"`
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// clone-disk payloads: probe result / requested target layout, both
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// carried as embedded JSON so CtrlMsg stays a flat envelope.
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LayoutJSON string `json:"layoutJSON,omitempty"`
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Method string `json:"method,omitempty"` // partition clone method: "fs-image" | "raw" | "file-level"
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Options string `json:"options,omitempty"` // JSON of the build/clone options block
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// log
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Level string `json:"level,omitempty"`
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}
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const (
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msgStat = "stat"
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msgStatOK = "stat_ok"
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msgPrepare = "prepare"
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msgPrepareOK = "prepare_ok"
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msgConnectPush = "connect_push"
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msgConnectPull = "connect_pull"
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msgPushOK = "push_ok"
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msgPushFailed = "push_failed"
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msgPullOK = "pull_ok"
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msgPullFailed = "pull_failed"
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msgProgress = "progress"
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msgLog = "log"
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msgError = "error"
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msgClose = "close"
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msgBye = "bye"
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// clone-disk control verbs
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msgProbeDisk = "probe_disk"
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msgProbeDiskOK = "probe_disk_ok"
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msgBuildLayout = "build_layout"
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msgBuildLayoutOK = "build_layout_ok"
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msgClonePartition = "clone_partition"
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msgReinstallBoot = "reinstall_boot"
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msgReinstallBootOK = "reinstall_boot_ok"
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)
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