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+++ b/Cargo.toml @@ -0,0 +1,12 @@ +[package] +name = "quiksearch" +version = "0.1.0" +edition = "2021" + +[dependencies] +hex-literal = "0.4.1" +rayon = "1.10.0" +rusqlite = { version = "0.31.0", features = ["bundled"] } +sha2 = "0.10.8" +tqdm = "0.7.0" +walkdir = "2.5.0" diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..33fcc97 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,101 @@ +// use std::borrow::Borrow; +use std::ffi::OsString; +use std::time::Instant; +// use std::path::Path; +use std::fs::File; +use std::io::{Read, Seek, SeekFrom}; +use std::time::UNIX_EPOCH; + +use sha2::{Sha256, Digest}; +use walkdir::WalkDir; +use tqdm; +use rusqlite::{params, Connection}; + + +const HASHLEN:usize = 1024*8; + +// struct Finfo { +// name: String, +// path: String, +// size: u64, +// modified: u64, +// hash: [u8; 64] +// } + +fn get_file_hash(size: u64, path: OsString) -> Result, std::io::Error> { + let mut hasher = Sha256::new(); + let mut f = File::open(path)?; + let mut data = [0u8; 8+2*HASHLEN]; + data[..8].copy_from_slice(&size.to_le_bytes()); + if size > HASHLEN as u64 { + let mut file_start_block = [0u8; HASHLEN]; + f.read_exact(&mut file_start_block)?; + for i in 0..HASHLEN { + data[8+i] = file_start_block[i]; + } + f.seek(SeekFrom::End(0 - HASHLEN as i64))?; + let mut file_end_block = [0u8; HASHLEN]; + f.read_exact(&mut file_end_block)?; + for i in 0..HASHLEN { + let i: usize = i; + data[8+i+HASHLEN] = file_end_block[i]; + } + } else if size > 0 { + let mut file_block = Vec::new(); + f.read_to_end(&mut file_block)?; + for i in 0..(size as usize) { + let i: usize = i; + data[8+i] = file_block[i]; + } + } + hasher.update(data); + Ok(hasher.finalize().to_vec()) + +} + + +fn main() { + let path: &str = "G:\\datasets\\preprocessed_ch_100"; + let db_path: &str = "GDrive.db"; + + let mut conn = Connection::open(db_path).unwrap(); + // conn.execute_batch( + // "PRAGMA journal_mode = OFF; + // PRAGMA synchronous = 0; + // PRAGMA cache_size = 1000000; + // PRAGMA locking_mode = EXCLUSIVE; + // PRAGMA temp_store = MEMORY;", + // ) + // .expect("PRAGMA"); + conn.execute("CREATE TABLE IF NOT EXISTS files ( + name TEXT, + path TEXT, + size INTEGER, + moddate INTEGER, + hash BLOB)", ()).unwrap(); + let tx = conn.transaction().unwrap(); + let st1 = "INSERT INTO files VALUES (?1,?2,?3,?4,?5)"; + let mut stmt = tx.prepare(st1).unwrap(); + let mut filecount: i64 = 0; + let start_time = Instant::now(); + + for entry in tqdm::tqdm(WalkDir::new(path).into_iter().filter_map(|e| e.ok())) { + let meta = entry.metadata().unwrap(); + if !meta.is_dir() { + let fname = entry.path().file_name().unwrap().to_os_string(); + let fpath = entry.path().canonicalize().unwrap().into_os_string(); + let fsize = meta.len(); + let fmodified = meta.modified().unwrap().duration_since(UNIX_EPOCH).unwrap().as_secs(); + let fhash = get_file_hash(fsize, fpath.clone()).unwrap(); + filecount += 1; + stmt.execute(params![fname.to_str(), fpath.to_str(), fsize, fmodified, fhash]).unwrap(); + if filecount >= 100 { + break; + } + } + } + + let elapsed_time = start_time.elapsed(); + println!("{} files enumerated in {} seconds", filecount, elapsed_time.as_secs()); + println!("{} files per second", filecount as f32 / elapsed_time.as_secs() as f32); +} \ No newline at end of file