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feat: file transfer, digest flag, is_resume

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Signed-off-by: fufesou <linlong1266@gmail.com>
This commit is contained in:
fufesou 2025-08-12 00:47:38 +08:00
parent bb2d6fa6bd
commit f6fb16d6e7
2 changed files with 8 additions and 3 deletions
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6
protos/message.proto
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@ -437,7 +437,11 @@ message FileTransferDigest {
uint64 file_size = 4;
bool is_upload = 5;
bool is_identical = 6;
uint64 transferred_size = 7; // for resume transfer, indicates the size of the file already transferred
uint64 transferred_size = 7; // For resume. Indicates the size of the file already transferred
bool is_resume = 8; // For resume. Indicates if the transfer is a resume.
// `is_resume` can let the controlled side know whether to check the `.digest` file.
// When `is_resume` is false, `.digest` exists, the same file does not exist,
// the controlled side should not check `.digest`, it should confirm with a new transfer request.
}
message FileTransferBlock {

5
src/fs.rs
View File

@ -806,6 +806,7 @@ impl TransferJob {
file_num: self.file_num,
last_modified,
file_size: meta.len(),
is_resume: self.is_resume,
..Default::default()
});
msg.set_file_response(resp);
@ -1203,14 +1204,14 @@ pub enum DigestCheckResult {
#[inline]
pub fn is_write_need_confirmation(
is_support_resume: bool,
is_resume: bool,
file_path: &str,
digest: &FileTransferDigest,
) -> ResultType<DigestCheckResult> {
let path = Path::new(file_path);
let digest_file = format!("{}.digest", file_path);
let download_file = format!("{}.download", file_path);
if is_support_resume && Path::new(&digest_file).exists() && Path::new(&download_file).exists() {
if is_resume && Path::new(&digest_file).exists() && Path::new(&download_file).exists() {
// If the digest file exists, it means the file was transferred before.
// We can use the digest file to check whether the file is the same.
if let Ok(content) = std::fs::read_to_string(digest_file) {