66 lines
1.7 KiB
Rust
66 lines
1.7 KiB
Rust
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use failure::*;
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use std::convert::TryFrom;
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use serde_json::{json, Value};
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use crate::backup::BackupDir;
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pub const MANIFEST_BLOB_NAME: &str = "index.json.blob";
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struct FileInfo {
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filename: String,
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size: u64,
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csum: [u8; 32],
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}
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pub struct BackupManifest {
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snapshot: BackupDir,
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files: Vec<FileInfo>,
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}
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impl BackupManifest {
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pub fn new(snapshot: BackupDir) -> Self {
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Self { files: Vec::new(), snapshot }
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}
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pub fn add_file(&mut self, filename: String, size: u64, csum: [u8; 32]) {
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self.files.push(FileInfo { filename, size, csum });
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}
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pub fn into_json(self) -> Value {
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json!({
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"backup-type": self.snapshot.group().backup_type(),
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"backup-id": self.snapshot.group().backup_id(),
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"backup-time": self.snapshot.backup_time().timestamp(),
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"files": self.files.iter()
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.fold(Vec::new(), |mut acc, info| {
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acc.push(json!({
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"filename": info.filename,
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"size": info.size,
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"csum": proxmox::tools::digest_to_hex(&info.csum),
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}));
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acc
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})
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})
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}
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}
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impl TryFrom<Value> for BackupManifest {
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type Error = Error;
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fn try_from(data: Value) -> Result<Self, Error> {
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let backup_type = data["backup_type"].as_str().unwrap();
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let backup_id = data["backup_id"].as_str().unwrap();
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let backup_time = data["backup_time"].as_i64().unwrap();
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let snapshot = BackupDir::new(backup_type, backup_id, backup_time);
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let files = Vec::new();
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Ok(Self { files, snapshot })
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}
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}
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