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Add template for multiple hashes (#240)

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Rafał Mikrut 2021-02-03 18:11:04 +01:00 committed by GitHub
parent 2f09b6ce8f
commit 7d8334bb0c
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 96 additions and 56 deletions
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152
czkawka_core/src/duplicate.rs
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@ -562,6 +562,8 @@ impl DuplicateFinder {
panic!(); // TODO Add more hash types
}
let check_type = Arc::new(self.hash_type);
let start_time: SystemTime = SystemTime::now();
let check_was_breaked = AtomicBool::new(false); // Used for breaking from GUI and ending check thread
let mut pre_checked_map: BTreeMap<u64, Vec<FileEntry>> = Default::default();
@ -609,6 +611,8 @@ impl DuplicateFinder {
let mut errors: Vec<String> = Vec::new();
let mut file_handler: File;
let mut bytes_read: u64 = 0;
let mut buffer = [0u8; 1024 * 2];
atomic_file_counter.fetch_add(vec_file_entry.len(), Ordering::Relaxed);
'fe: for file_entry in vec_file_entry {
if stop_receiver.is_some() && stop_receiver.unwrap().try_recv().is_ok() {
@ -623,20 +627,11 @@ impl DuplicateFinder {
}
};
let mut hasher: blake3::Hasher = blake3::Hasher::new();
let mut buffer = [0u8; 1024 * 2];
let n = match file_handler.read(&mut buffer) {
Ok(t) => t,
Err(_) => {
errors.push(format!("Error happened when checking hash of file {}", file_entry.path.display()));
continue 'fe;
}
let hash_string = match pre_hash_calculation(&mut errors, &mut file_handler, &mut bytes_read, &mut buffer, &file_entry, &check_type) {
Some(t) => t,
None => continue 'fe,
};
bytes_read += n as u64;
hasher.update(&buffer[..n]);
let hash_string: String = hasher.finalize().to_hex().to_string();
hashmap_with_hash.entry(hash_string.clone()).or_insert_with(Vec::new);
hashmap_with_hash.get_mut(hash_string.as_str()).unwrap().push(file_entry.clone());
}
@ -717,6 +712,7 @@ impl DuplicateFinder {
let mut errors: Vec<String> = Vec::new();
let mut file_handler: File;
let mut bytes_read: u64 = 0;
let mut buffer = [0u8; 1024 * 128];
atomic_file_counter.fetch_add(vec_file_entry.len(), Ordering::Relaxed);
'fe: for file_entry in vec_file_entry {
if stop_receiver.is_some() && stop_receiver.unwrap().try_recv().is_ok() {
@ -731,32 +727,11 @@ impl DuplicateFinder {
}
};
let mut hasher: blake3::Hasher = blake3::Hasher::new();
let mut buffer = [0u8; 1024 * 128];
let mut current_file_read_bytes: u64 = 0;
let hash_string = match hashmb_calculation(&mut errors, &mut file_handler, &mut bytes_read, &mut buffer, &file_entry, &check_type) {
Some(t) => t,
None => continue 'fe,
};
loop {
let n = match file_handler.read(&mut buffer) {
Ok(t) => t,
Err(_) => {
errors.push(format!("Error happened when checking hash of file {}", file_entry.path.display()));
continue 'fe;
}
};
if n == 0 {
break;
}
current_file_read_bytes += n as u64;
bytes_read += n as u64;
hasher.update(&buffer[..n]);
if current_file_read_bytes >= HASH_MB_LIMIT_BYTES {
break;
}
}
let hash_string: String = hasher.finalize().to_hex().to_string();
hashmap_with_hash.entry(hash_string.to_string()).or_insert_with(Vec::new);
hashmap_with_hash.get_mut(hash_string.as_str()).unwrap().push(file_entry.to_owned());
}
@ -807,6 +782,8 @@ impl DuplicateFinder {
let mut errors: Vec<String> = Vec::new();
let mut file_handler: File;
let mut bytes_read: u64 = 0;
let mut buffer = [0u8; 1024 * 128];
atomic_file_counter.fetch_add(vec_file_entry.len(), Ordering::Relaxed);
'fe: for file_entry in vec_file_entry {
if stop_receiver.is_some() && stop_receiver.unwrap().try_recv().is_ok() {
@ -821,26 +798,11 @@ impl DuplicateFinder {
}
};
let mut hasher: blake3::Hasher = blake3::Hasher::new();
let mut buffer = [0u8; 1024 * 128];
let hash_string = match hash_calculation(&mut errors, &mut file_handler, &mut bytes_read, &mut buffer, &file_entry, &check_type) {
Some(t) => t,
None => continue 'fe,
};
loop {
let n = match file_handler.read(&mut buffer) {
Ok(t) => t,
Err(_) => {
errors.push(format!("Error happened when checking hash of file {}", file_entry.path.display()));
continue 'fe;
}
};
if n == 0 {
break;
}
bytes_read += n as u64;
hasher.update(&buffer[..n]);
}
let hash_string: String = hasher.finalize().to_hex().to_string();
let mut file_entry = file_entry.clone();
file_entry.hash = hash_string.clone();
hashmap_with_hash.entry(hash_string.clone()).or_insert_with(Vec::new);
@ -1347,6 +1309,84 @@ fn save_hashes_to_file(hashmap: &HashMap<String, FileEntry>, text_messages: &mut
}
}
fn pre_hash_calculation(errors: &mut Vec<String>, file_handler: &mut File, bytes_read: &mut u64, buffer: &mut [u8], file_entry: &FileEntry, hash_type: &HashType) -> Option<String> {
match hash_type {
HashType::Blake3 => {
let mut hasher: blake3::Hasher = blake3::Hasher::new();
let n = match file_handler.read(buffer) {
Ok(t) => t,
Err(_) => {
errors.push(format!("Error happened when checking hash of file {}", file_entry.path.display()));
return None;
}
};
*bytes_read += n as u64;
hasher.update(&buffer[..n]);
Some(hasher.finalize().to_hex().to_string())
}
}
}
fn hashmb_calculation(errors: &mut Vec<String>, file_handler: &mut File, bytes_read: &mut u64, buffer: &mut [u8], file_entry: &FileEntry, hash_type: &HashType) -> Option<String> {
match hash_type {
HashType::Blake3 => {
let mut hasher: blake3::Hasher = blake3::Hasher::new();
let mut current_file_read_bytes: u64 = 0;
loop {
let n = match file_handler.read(buffer) {
Ok(t) => t,
Err(_) => {
errors.push(format!("Error happened when checking hash of file {}", file_entry.path.display()));
return None;
}
};
if n == 0 {
break;
}
current_file_read_bytes += n as u64;
*bytes_read += n as u64;
hasher.update(&buffer[..n]);
if current_file_read_bytes >= HASH_MB_LIMIT_BYTES {
break;
}
}
Some(hasher.finalize().to_hex().to_string())
}
}
}
fn hash_calculation(errors: &mut Vec<String>, file_handler: &mut File, bytes_read: &mut u64, buffer: &mut [u8], file_entry: &FileEntry, hash_type: &HashType) -> Option<String> {
match hash_type {
HashType::Blake3 => {
let mut hasher: blake3::Hasher = blake3::Hasher::new();
loop {
let n = match file_handler.read(buffer) {
Ok(t) => t,
Err(_) => {
errors.push(format!("Error happened when checking hash of file {}", file_entry.path.display()));
return None;
}
};
if n == 0 {
break;
}
*bytes_read += n as u64;
hasher.update(&buffer[..n]);
}
Some(hasher.finalize().to_hex().to_string())
}
}
}
fn load_hashes_from_file(text_messages: &mut Messages, type_of_hash: &HashType) -> Option<BTreeMap<u64, Vec<FileEntry>>> {
if let Some(proj_dirs) = ProjectDirs::from("pl", "Qarmin", "Czkawka") {
let cache_dir = PathBuf::from(proj_dirs.cache_dir());