mirror of
https://github.com/readur/readur.git
synced 2026-01-04 05:20:11 -06:00
1879 lines
69 KiB
Rust
1879 lines
69 KiB
Rust
/*
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* WebDAV Stress Testing Suite
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*
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* Comprehensive stress tests for WebDAV sync functionality with infinite loop detection.
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* These tests create complex directory structures and monitor for problematic behavior
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* patterns that could indicate infinite loops or performance issues.
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*/
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use anyhow::{anyhow, Result};
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use serde::{Deserialize, Serialize};
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use std::collections::{HashMap, HashSet, VecDeque};
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use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
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use std::sync::{Arc, Once};
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use std::time::{Duration, Instant};
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use tokio::sync::{Mutex, RwLock, Semaphore};
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use tokio::time::{sleep, timeout, interval};
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use tokio::net::TcpListener;
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use tracing::{debug, error, info, warn};
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// dav-server imports for realistic WebDAV testing
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use dav_server::{fakels::FakeLs, memfs::MemFs, DavHandler};
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use http_body_util::{BodyExt, Full};
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use hyper::server::conn::http1;
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use hyper::service::service_fn;
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use hyper_util::rt::TokioIo;
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#[cfg(feature = "stress-testing")]
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use readur::services::webdav::{WebDAVService, WebDAVConfig};
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// Global tracing initialization - ensures it only happens once
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static INIT_TRACING: Once = Once::new();
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/// Initialize tracing subscriber safely - can be called multiple times
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fn init_tracing() {
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INIT_TRACING.call_once(|| {
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tracing_subscriber::fmt::init();
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});
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}
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/// Realistic WebDAV server for testing using dav-server with in-memory filesystem
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struct MockWebDAVServer {
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port: u16,
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server_handle: Option<tokio::task::JoinHandle<()>>,
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shutdown_signal: Option<tokio::sync::oneshot::Sender<()>>,
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}
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impl MockWebDAVServer {
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async fn start() -> Result<Self> {
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// Create in-memory filesystem with realistic test structure
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let memfs = MemFs::new();
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// Create the test directory structure that matches the test paths
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Self::create_test_structure(&memfs).await?;
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// Build the WebDAV handler
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let dav_handler = DavHandler::builder()
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.filesystem(memfs)
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.locksystem(FakeLs::new())
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.build_handler();
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let listener = TcpListener::bind("127.0.0.1:0").await
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.map_err(|e| anyhow!("Failed to bind to port: {}", e))?;
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let port = listener.local_addr()
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.map_err(|e| anyhow!("Failed to get local address: {}", e))?
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.port();
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let (shutdown_tx, mut shutdown_rx) = tokio::sync::oneshot::channel::<()>();
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let server_handle = tokio::spawn(async move {
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loop {
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tokio::select! {
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result = listener.accept() => {
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match result {
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Ok((stream, _addr)) => {
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let io = TokioIo::new(stream);
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let handler = dav_handler.clone();
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tokio::spawn(async move {
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let service = service_fn(move |req| {
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let handler = handler.clone();
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async move {
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let response = handler.handle(req).await;
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// Convert DavResponse to hyper Response
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let (parts, body) = response.into_parts();
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let body_bytes = body.collect().await
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.map(|c| c.to_bytes())
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.unwrap_or_default();
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Ok::<_, std::convert::Infallible>(
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hyper::Response::from_parts(parts, Full::new(body_bytes))
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)
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}
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});
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if let Err(e) = http1::Builder::new()
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.serve_connection(io, service)
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.await
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{
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debug!("WebDAV connection error: {}", e);
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}
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});
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}
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Err(e) => {
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error!("Failed to accept connection: {}", e);
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}
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}
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}
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_ = &mut shutdown_rx => {
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info!("WebDAV server shutting down");
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break;
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}
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}
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}
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});
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// Give the server a moment to start
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sleep(Duration::from_millis(100)).await;
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info!("Realistic WebDAV server (dav-server) started on port {}", port);
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Ok(Self {
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port,
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server_handle: Some(server_handle),
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shutdown_signal: Some(shutdown_tx),
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})
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}
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/// Create a realistic test directory structure in the in-memory filesystem
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async fn create_test_structure(memfs: &MemFs) -> Result<()> {
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use dav_server::davpath::DavPath;
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use dav_server::fs::{DavFile, DavFileSystem, OpenOptions};
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use bytes::Bytes;
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// Define the directory structure matching our test paths
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let directories = vec![
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"/main-structure",
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"/main-structure/documents",
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"/main-structure/images",
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"/main-structure/archives",
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"/loop-traps",
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"/loop-traps/deep-nesting",
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"/loop-traps/deep-nesting/level1",
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"/loop-traps/deep-nesting/level1/level2",
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"/loop-traps/deep-nesting/level1/level2/level3",
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"/symlink-test",
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"/symlink-test/folder1",
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"/symlink-test/folder2",
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"/test-repo-1",
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"/test-repo-1/src",
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"/test-repo-1/docs",
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"/large-directory",
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"/unicode-test",
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"/unicode-test/subfolder1",
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"/unicode-test/subfolder2",
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];
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// Create directories
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for dir_path in &directories {
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let path = DavPath::new(dir_path)
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.map_err(|e| anyhow!("Invalid path {}: {:?}", dir_path, e))?;
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if let Err(e) = memfs.create_dir(&path).await {
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debug!("Directory {} may already exist: {:?}", dir_path, e);
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}
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}
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// Helper to create a file with content
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async fn create_file(memfs: &MemFs, file_path: &str, content: &str) -> Result<()> {
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let path = DavPath::new(file_path)
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.map_err(|e| anyhow!("Invalid path {}: {:?}", file_path, e))?;
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let options = OpenOptions {
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read: false,
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write: true,
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append: false,
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truncate: true,
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create: true,
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create_new: false,
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size: Some(content.len() as u64),
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checksum: None,
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};
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let mut file = memfs.open(&path, options).await
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.map_err(|e| anyhow!("Failed to create file {}: {:?}", file_path, e))?;
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file.write_bytes(Bytes::from(content.to_string())).await
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.map_err(|e| anyhow!("Failed to write to file {}: {:?}", file_path, e))?;
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Ok(())
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}
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// Create some test files in various directories
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let files = vec![
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("/main-structure/readme.txt", "Main structure readme content"),
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("/main-structure/documents/report.pdf", "Fake PDF content for testing"),
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("/main-structure/documents/notes.txt", "Some notes here"),
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("/main-structure/images/photo.jpg", "Fake JPEG data"),
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("/loop-traps/trap-file.txt", "Loop trap test file"),
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("/loop-traps/deep-nesting/nested-file.txt", "Deeply nested file"),
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("/loop-traps/deep-nesting/level1/level2/level3/bottom.txt", "Bottom of nesting"),
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("/symlink-test/test.txt", "Symlink test file"),
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("/symlink-test/folder1/file1.txt", "File in folder1"),
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("/symlink-test/folder2/file2.txt", "File in folder2"),
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("/test-repo-1/README.md", "# Test Repository\n\nThis is a test."),
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("/test-repo-1/src/main.rs", "fn main() { println!(\"Hello\"); }"),
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("/test-repo-1/docs/guide.md", "# User Guide"),
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("/unicode-test/subfolder1/test1.txt", "Unicode test content 1"),
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("/unicode-test/subfolder2/test2.txt", "Unicode test content 2"),
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];
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let num_files = files.len();
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// Add many files to large-directory for stress testing
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for i in 0..50 {
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let path_str = format!("/large-directory/file_{:04}.txt", i);
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let content = format!("Content of file {}", i);
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if let Err(e) = create_file(memfs, &path_str, &content).await {
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debug!("Failed to create file {}: {:?}", path_str, e);
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}
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}
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// Create the regular test files
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for (file_path, content) in files {
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if let Err(e) = create_file(memfs, file_path, content).await {
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debug!("Failed to create file {}: {:?}", file_path, e);
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}
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}
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info!("Created test directory structure with {} directories and {} files",
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directories.len(), num_files + 50);
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Ok(())
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}
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fn url(&self) -> String {
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format!("http://127.0.0.1:{}", self.port)
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}
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async fn stop(&mut self) {
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// Send shutdown signal
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if let Some(tx) = self.shutdown_signal.take() {
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let _ = tx.send(());
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}
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// Wait for server to stop
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if let Some(handle) = self.server_handle.take() {
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handle.abort();
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let _ = handle.await;
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}
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}
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}
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impl Drop for MockWebDAVServer {
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fn drop(&mut self) {
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if let Some(tx) = self.shutdown_signal.take() {
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let _ = tx.send(());
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}
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if let Some(handle) = self.server_handle.take() {
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handle.abort();
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}
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}
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}
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/// Circuit breaker for protecting against infinite loops and cascading failures
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#[derive(Debug)]
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pub struct CircuitBreaker {
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failure_count: Arc<AtomicUsize>,
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success_count: Arc<AtomicUsize>,
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last_failure_time: Arc<Mutex<Option<Instant>>>,
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state: Arc<RwLock<CircuitBreakerState>>,
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config: CircuitBreakerConfig,
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}
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#[derive(Debug, Clone, PartialEq)]
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enum CircuitBreakerState {
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Closed, // Normal operation
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Open, // Failing fast
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HalfOpen, // Testing if service recovered
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}
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#[derive(Debug, Clone)]
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struct CircuitBreakerConfig {
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failure_threshold: usize,
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timeout_duration: Duration,
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success_threshold: usize,
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}
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impl CircuitBreaker {
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pub fn new(failure_threshold: usize, timeout_duration: Duration) -> Self {
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Self {
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failure_count: Arc::new(AtomicUsize::new(0)),
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success_count: Arc::new(AtomicUsize::new(0)),
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last_failure_time: Arc::new(Mutex::new(None)),
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state: Arc::new(RwLock::new(CircuitBreakerState::Closed)),
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config: CircuitBreakerConfig {
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failure_threshold,
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timeout_duration,
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success_threshold: 2, // Need 2 successes to close circuit
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},
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}
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}
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pub async fn call<F, T, E>(&self, operation: F) -> Result<T, CircuitBreakerError<E>>
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where
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F: std::future::Future<Output = Result<T, E>>,
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{
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// Check if circuit should be opened
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{
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let state = self.state.read().await;
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match *state {
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CircuitBreakerState::Open => {
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let last_failure = self.last_failure_time.lock().await;
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if let Some(failure_time) = *last_failure {
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if failure_time.elapsed() < self.config.timeout_duration {
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return Err(CircuitBreakerError::CircuitOpen);
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}
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}
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// Timeout expired, try half-open
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drop(last_failure);
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drop(state);
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*self.state.write().await = CircuitBreakerState::HalfOpen;
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}
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CircuitBreakerState::HalfOpen => {
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// Only allow limited requests in half-open state
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if self.success_count.load(Ordering::Relaxed) >= self.config.success_threshold {
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return Err(CircuitBreakerError::CircuitOpen);
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}
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}
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CircuitBreakerState::Closed => {}
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}
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}
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// Execute the operation
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match operation.await {
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Ok(result) => {
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self.on_success().await;
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Ok(result)
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}
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Err(e) => {
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self.on_failure().await;
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Err(CircuitBreakerError::OperationFailed(e))
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}
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}
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}
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async fn on_success(&self) {
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let state = self.state.read().await;
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match *state {
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CircuitBreakerState::HalfOpen => {
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let success_count = self.success_count.fetch_add(1, Ordering::Relaxed) + 1;
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if success_count >= self.config.success_threshold {
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drop(state);
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*self.state.write().await = CircuitBreakerState::Closed;
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self.failure_count.store(0, Ordering::Relaxed);
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self.success_count.store(0, Ordering::Relaxed);
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}
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}
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CircuitBreakerState::Closed => {
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self.failure_count.store(0, Ordering::Relaxed);
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}
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_ => {}
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}
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}
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async fn on_failure(&self) {
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let failure_count = self.failure_count.fetch_add(1, Ordering::Relaxed) + 1;
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*self.last_failure_time.lock().await = Some(Instant::now());
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if failure_count >= self.config.failure_threshold {
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*self.state.write().await = CircuitBreakerState::Open;
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self.success_count.store(0, Ordering::Relaxed);
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}
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}
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pub async fn is_open(&self) -> bool {
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matches!(*self.state.read().await, CircuitBreakerState::Open)
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}
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}
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#[derive(Debug)]
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enum CircuitBreakerError<E> {
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CircuitOpen,
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OperationFailed(E),
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}
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/// Resource manager for coordinating concurrent access and preventing race conditions
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#[derive(Debug)]
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pub struct WebDAVResourceManager {
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/// Semaphore to limit concurrent operations
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operation_semaphore: Arc<Semaphore>,
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/// Per-directory locks to prevent race conditions
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directory_locks: Arc<RwLock<HashMap<String, Arc<Mutex<()>>>>>,
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/// Global operation counter for monitoring
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active_operations: Arc<AtomicUsize>,
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/// Rate limiting
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last_operation_time: Arc<Mutex<Instant>>,
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min_operation_interval: Duration,
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}
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impl WebDAVResourceManager {
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pub fn new(max_concurrent_operations: usize, min_operation_interval_ms: u64) -> Self {
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Self {
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operation_semaphore: Arc::new(Semaphore::new(max_concurrent_operations)),
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directory_locks: Arc::new(RwLock::new(HashMap::new())),
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active_operations: Arc::new(AtomicUsize::new(0)),
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last_operation_time: Arc::new(Mutex::new(Instant::now())),
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min_operation_interval: Duration::from_millis(min_operation_interval_ms),
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}
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}
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/// Acquire resources for a WebDAV operation
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pub async fn acquire_operation_permit(&self) -> anyhow::Result<OperationPermit> {
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// Wait for semaphore permit
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let permit = self.operation_semaphore.clone().acquire_owned().await
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.map_err(|e| anyhow::anyhow!("Failed to acquire operation permit: {}", e))?;
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// Rate limiting
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{
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let mut last_time = self.last_operation_time.lock().await;
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let elapsed = last_time.elapsed();
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if elapsed < self.min_operation_interval {
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let sleep_duration = self.min_operation_interval - elapsed;
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drop(last_time);
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sleep(sleep_duration).await;
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*self.last_operation_time.lock().await = Instant::now();
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} else {
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*last_time = Instant::now();
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}
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}
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// Increment active operations counter
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self.active_operations.fetch_add(1, Ordering::Relaxed);
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Ok(OperationPermit {
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_permit: permit,
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active_operations: self.active_operations.clone(),
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})
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}
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/// Acquire a directory-specific lock to prevent race conditions
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pub async fn acquire_directory_lock(&self, directory_path: &str) -> Arc<Mutex<()>> {
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let mut locks = self.directory_locks.write().await;
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// Get or create a lock for this directory
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let lock = locks.entry(directory_path.to_string())
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.or_insert_with(|| Arc::new(Mutex::new(())))
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.clone();
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// Clean up old locks periodically
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if locks.len() > 1000 {
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// Keep only the most recently accessed locks
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locks.clear();
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locks.insert(directory_path.to_string(), lock.clone());
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warn!("Cleared directory locks cache due to size limit");
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}
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lock
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}
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/// Get current number of active operations
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pub fn active_operations_count(&self) -> usize {
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self.active_operations.load(Ordering::Relaxed)
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}
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}
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/// RAII permit for WebDAV operations
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pub struct OperationPermit {
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_permit: tokio::sync::OwnedSemaphorePermit,
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active_operations: Arc<AtomicUsize>,
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}
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impl Drop for OperationPermit {
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fn drop(&mut self) {
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self.active_operations.fetch_sub(1, Ordering::Relaxed);
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}
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}
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/// Configuration for stress testing
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#[derive(Debug, Clone)]
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pub struct StressTestConfig {
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pub webdav_server_url: String,
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pub username: String,
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pub password: String,
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pub stress_level: StressLevel,
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pub test_timeout_seconds: u64,
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pub max_concurrent_operations: usize,
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pub loop_detection_threshold: usize,
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pub scan_timeout_seconds: u64,
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}
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#[derive(Debug, Clone, PartialEq)]
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pub enum StressLevel {
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Light,
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Medium,
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Heavy,
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Extreme,
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}
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impl StressLevel {
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fn max_depth(&self) -> usize {
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match self {
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StressLevel::Light => 5,
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StressLevel::Medium => 10,
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StressLevel::Heavy => 15,
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StressLevel::Extreme => 25,
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}
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}
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fn concurrent_operations(&self) -> usize {
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match self {
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StressLevel::Light => 2,
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StressLevel::Medium => 4,
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StressLevel::Heavy => 8,
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StressLevel::Extreme => 16,
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}
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|
}
|
|
|
|
fn operation_count(&self) -> usize {
|
|
match self {
|
|
StressLevel::Light => 50,
|
|
StressLevel::Medium => 200,
|
|
StressLevel::Heavy => 500,
|
|
StressLevel::Extreme => 1000,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl std::str::FromStr for StressLevel {
|
|
type Err = anyhow::Error;
|
|
|
|
fn from_str(s: &str) -> Result<Self> {
|
|
match s.to_lowercase().as_str() {
|
|
"light" => Ok(StressLevel::Light),
|
|
"medium" => Ok(StressLevel::Medium),
|
|
"heavy" => Ok(StressLevel::Heavy),
|
|
"extreme" => Ok(StressLevel::Extreme),
|
|
_ => Err(anyhow!("Invalid stress level: {}", s)),
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Bounded LRU cache for directory access tracking to prevent memory leaks
|
|
#[derive(Debug)]
|
|
struct BoundedLruCache<K, V> {
|
|
data: HashMap<K, V>,
|
|
access_order: VecDeque<K>,
|
|
max_size: usize,
|
|
}
|
|
|
|
impl<K: Clone + Eq + std::hash::Hash, V> BoundedLruCache<K, V> {
|
|
fn new(max_size: usize) -> Self {
|
|
Self {
|
|
data: HashMap::new(),
|
|
access_order: VecDeque::new(),
|
|
max_size,
|
|
}
|
|
}
|
|
|
|
fn get(&mut self, key: &K) -> Option<&V> {
|
|
if self.data.contains_key(key) {
|
|
// Move to front (most recently used)
|
|
self.access_order.retain(|k| k != key);
|
|
self.access_order.push_back(key.clone());
|
|
self.data.get(key)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn insert(&mut self, key: K, value: V) {
|
|
if self.data.contains_key(&key) {
|
|
// Update existing
|
|
self.data.insert(key.clone(), value);
|
|
self.access_order.retain(|k| k != &key);
|
|
self.access_order.push_back(key);
|
|
} else {
|
|
// Add new
|
|
if self.data.len() >= self.max_size {
|
|
// Evict least recently used
|
|
if let Some(lru_key) = self.access_order.pop_front() {
|
|
self.data.remove(&lru_key);
|
|
}
|
|
}
|
|
self.data.insert(key.clone(), value);
|
|
self.access_order.push_back(key);
|
|
}
|
|
}
|
|
|
|
fn len(&self) -> usize {
|
|
self.data.len()
|
|
}
|
|
|
|
fn clear(&mut self) {
|
|
self.data.clear();
|
|
self.access_order.clear();
|
|
}
|
|
}
|
|
|
|
/// Monitors WebDAV operations for infinite loop patterns with bounded memory usage
|
|
#[derive(Debug)]
|
|
pub struct LoopDetectionMonitor {
|
|
directory_access_counts: Arc<RwLock<BoundedLruCache<String, AtomicUsize>>>,
|
|
access_timestamps: Arc<RwLock<BoundedLruCache<String, VecDeque<Instant>>>>,
|
|
suspected_loops: Arc<RwLock<HashSet<String>>>,
|
|
monitoring_active: Arc<AtomicBool>,
|
|
detection_threshold: usize,
|
|
/// Threshold for rapid repeated access detection (accesses in 60 seconds)
|
|
/// Derived as detection_threshold / 2 to allow for legitimate concurrent access
|
|
rapid_access_threshold: usize,
|
|
circuit_breaker: Arc<CircuitBreaker>,
|
|
cleanup_interval: Arc<Mutex<Option<tokio::task::JoinHandle<()>>>>,
|
|
}
|
|
|
|
impl LoopDetectionMonitor {
|
|
pub fn new(detection_threshold: usize) -> Self {
|
|
// Derive rapid access threshold as half of detection threshold
|
|
// This allows for legitimate concurrent operations while still detecting loops
|
|
let rapid_access_threshold = std::cmp::max(detection_threshold / 2, 10);
|
|
|
|
let monitor = Self {
|
|
directory_access_counts: Arc::new(RwLock::new(BoundedLruCache::new(1000))), // Max 1000 directories
|
|
access_timestamps: Arc::new(RwLock::new(BoundedLruCache::new(1000))), // Max 1000 directories
|
|
suspected_loops: Arc::new(RwLock::new(HashSet::new())),
|
|
monitoring_active: Arc::new(AtomicBool::new(true)),
|
|
detection_threshold,
|
|
rapid_access_threshold,
|
|
circuit_breaker: Arc::new(CircuitBreaker::new(10, Duration::from_secs(60))),
|
|
cleanup_interval: Arc::new(Mutex::new(None)),
|
|
};
|
|
|
|
// Start periodic cleanup task
|
|
monitor.start_cleanup_task();
|
|
monitor
|
|
}
|
|
|
|
fn start_cleanup_task(&self) {
|
|
let access_timestamps = self.access_timestamps.clone();
|
|
let suspected_loops = self.suspected_loops.clone();
|
|
let monitoring_active = self.monitoring_active.clone();
|
|
let cleanup_interval = self.cleanup_interval.clone();
|
|
|
|
let task = tokio::spawn(async move {
|
|
let mut interval = interval(Duration::from_secs(300)); // Cleanup every 5 minutes
|
|
|
|
while monitoring_active.load(Ordering::Relaxed) {
|
|
interval.tick().await;
|
|
|
|
// Clean old timestamps
|
|
{
|
|
let mut timestamps = access_timestamps.write().await;
|
|
let cutoff = Instant::now() - Duration::from_secs(3600); // Keep only last hour
|
|
|
|
// Clear old entries from timestamps cache
|
|
for (_, timestamp_queue) in timestamps.data.iter_mut() {
|
|
timestamp_queue.retain(|×tamp| timestamp > cutoff);
|
|
}
|
|
}
|
|
|
|
// Limit suspected loops set size
|
|
{
|
|
let mut loops = suspected_loops.write().await;
|
|
if loops.len() > 100 { // Max 100 suspected directories
|
|
loops.clear(); // Reset if too many
|
|
warn!("Cleared suspected loops cache due to size limit");
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
// Store the task handle
|
|
if let Ok(mut handle) = cleanup_interval.try_lock() {
|
|
*handle = Some(task);
|
|
};
|
|
}
|
|
|
|
/// Record a directory access for loop detection with circuit breaker protection
|
|
pub async fn record_directory_access(&self, directory_path: &str) {
|
|
if !self.monitoring_active.load(Ordering::Relaxed) {
|
|
return;
|
|
}
|
|
|
|
// Use circuit breaker to protect against cascade failures
|
|
let record_result = self.circuit_breaker.call(async {
|
|
self.record_directory_access_internal(directory_path).await
|
|
}).await;
|
|
|
|
if let Err(CircuitBreakerError::CircuitOpen) = record_result {
|
|
warn!("Circuit breaker open - skipping directory access recording for: {}", directory_path);
|
|
}
|
|
}
|
|
|
|
async fn record_directory_access_internal(&self, directory_path: &str) -> Result<(), anyhow::Error> {
|
|
let now = Instant::now();
|
|
|
|
// Update access count with bounded cache
|
|
{
|
|
let mut counts = self.directory_access_counts.write().await;
|
|
|
|
// Get or create counter
|
|
let current_count = if let Some(counter) = counts.get(&directory_path.to_string()) {
|
|
counter.fetch_add(1, Ordering::Relaxed) + 1
|
|
} else {
|
|
counts.insert(directory_path.to_string(), AtomicUsize::new(1));
|
|
1
|
|
};
|
|
|
|
if current_count > self.detection_threshold {
|
|
warn!(
|
|
"Potential infinite loop detected for directory: {} (accessed {} times)",
|
|
directory_path, current_count
|
|
);
|
|
self.suspected_loops.write().await.insert(directory_path.to_string());
|
|
return Err(anyhow::anyhow!("Loop detection threshold exceeded"));
|
|
}
|
|
}
|
|
|
|
// Track access timestamps for pattern analysis with bounded cache
|
|
{
|
|
let mut timestamps = self.access_timestamps.write().await;
|
|
|
|
// Get or create timestamp queue
|
|
let mut timestamp_queue = if let Some(queue) = timestamps.get(&directory_path.to_string()) {
|
|
queue.clone()
|
|
} else {
|
|
VecDeque::new()
|
|
};
|
|
|
|
timestamp_queue.push_back(now);
|
|
|
|
// Keep only recent timestamps (last 5 minutes) and limit queue size
|
|
let cutoff = now - Duration::from_secs(300);
|
|
while let Some(&front_time) = timestamp_queue.front() {
|
|
if front_time <= cutoff || timestamp_queue.len() > 100 { // Max 100 timestamps per directory
|
|
timestamp_queue.pop_front();
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Check for rapid repeated access pattern
|
|
let recent_accesses = timestamp_queue.iter()
|
|
.filter(|&×tamp| timestamp > now - Duration::from_secs(60))
|
|
.count();
|
|
|
|
if recent_accesses > self.rapid_access_threshold {
|
|
warn!(
|
|
"Rapid repeated access pattern detected for directory: {} ({} accesses in last minute, threshold: {})",
|
|
directory_path, recent_accesses, self.rapid_access_threshold
|
|
);
|
|
self.suspected_loops.write().await.insert(directory_path.to_string());
|
|
return Err(anyhow::anyhow!("Rapid access pattern detected"));
|
|
}
|
|
|
|
// Update the bounded cache
|
|
timestamps.insert(directory_path.to_string(), timestamp_queue);
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
/// Check if a directory is suspected of causing infinite loops
|
|
pub async fn is_suspected_loop(&self, directory_path: &str) -> bool {
|
|
self.suspected_loops.read().await.contains(directory_path)
|
|
}
|
|
|
|
/// Get all suspected loop directories
|
|
pub async fn get_suspected_loops(&self) -> Vec<String> {
|
|
self.suspected_loops.read().await.iter().cloned().collect()
|
|
}
|
|
|
|
/// Stop monitoring and clean up resources
|
|
pub async fn stop_monitoring(&self) {
|
|
self.monitoring_active.store(false, Ordering::Relaxed);
|
|
|
|
// Stop cleanup task
|
|
let mut handle = self.cleanup_interval.lock().await;
|
|
if let Some(task) = handle.take() {
|
|
task.abort();
|
|
}
|
|
|
|
// Clear all data to free memory
|
|
self.directory_access_counts.write().await.clear();
|
|
self.access_timestamps.write().await.clear();
|
|
self.suspected_loops.write().await.clear();
|
|
}
|
|
|
|
/// Get statistics about directory access patterns
|
|
pub async fn get_statistics(&self) -> LoopDetectionStatistics {
|
|
let counts = self.directory_access_counts.read().await;
|
|
let suspected = self.suspected_loops.read().await;
|
|
|
|
let total_directories = counts.len();
|
|
let total_accesses: usize = counts.data.values()
|
|
.map(|counter| counter.load(Ordering::Relaxed))
|
|
.sum();
|
|
|
|
let max_accesses = counts.data.values()
|
|
.map(|counter| counter.load(Ordering::Relaxed))
|
|
.max()
|
|
.unwrap_or(0);
|
|
|
|
let avg_accesses = if total_directories > 0 {
|
|
total_accesses as f64 / total_directories as f64
|
|
} else {
|
|
0.0
|
|
};
|
|
|
|
LoopDetectionStatistics {
|
|
total_directories_monitored: total_directories,
|
|
total_directory_accesses: total_accesses,
|
|
suspected_loop_count: suspected.len(),
|
|
max_accesses_per_directory: max_accesses,
|
|
average_accesses_per_directory: avg_accesses,
|
|
suspected_directories: suspected.iter().cloned().collect(),
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Statistics from loop detection monitoring
|
|
#[derive(Debug, Serialize, Deserialize)]
|
|
pub struct LoopDetectionStatistics {
|
|
pub total_directories_monitored: usize,
|
|
pub total_directory_accesses: usize,
|
|
pub suspected_loop_count: usize,
|
|
pub max_accesses_per_directory: usize,
|
|
pub average_accesses_per_directory: f64,
|
|
pub suspected_directories: Vec<String>,
|
|
}
|
|
|
|
/// Performance metrics for WebDAV operations
|
|
#[derive(Debug, Serialize, Deserialize)]
|
|
pub struct WebDAVPerformanceMetrics {
|
|
pub total_operations: usize,
|
|
pub successful_operations: usize,
|
|
pub failed_operations: usize,
|
|
pub average_operation_duration_ms: f64,
|
|
pub max_operation_duration_ms: u64,
|
|
pub min_operation_duration_ms: u64,
|
|
pub timeout_count: usize,
|
|
pub error_patterns: HashMap<String, usize>,
|
|
pub loop_detection_stats: LoopDetectionStatistics,
|
|
}
|
|
|
|
/// Create a WebDAV service configured for stress testing
|
|
fn create_stress_test_webdav_service(config: &StressTestConfig) -> Result<WebDAVService> {
|
|
let webdav_config = WebDAVConfig {
|
|
server_url: config.webdav_server_url.clone(),
|
|
username: config.username.clone(),
|
|
password: config.password.clone(),
|
|
server_type: None, // Will auto-detect
|
|
timeout_seconds: config.scan_timeout_seconds,
|
|
watch_folders: vec!["/".to_string()],
|
|
file_extensions: vec![],
|
|
};
|
|
|
|
WebDAVService::new(webdav_config)
|
|
}
|
|
|
|
/// Get stress test configuration, optionally with mock server URL
|
|
fn get_stress_test_config(mock_server_url: Option<String>) -> Result<StressTestConfig> {
|
|
let webdav_server_url = mock_server_url
|
|
.or_else(|| std::env::var("WEBDAV_SERVER_URL").ok())
|
|
.unwrap_or_else(|| "http://localhost:8080".to_string());
|
|
|
|
let username = std::env::var("WEBDAV_USERNAME")
|
|
.unwrap_or_else(|_| "admin".to_string());
|
|
|
|
let password = std::env::var("WEBDAV_PASSWORD")
|
|
.unwrap_or_else(|_| "password".to_string());
|
|
|
|
let stress_level = std::env::var("STRESS_LEVEL")
|
|
.unwrap_or_else(|_| "light".to_string()) // Use light for tests
|
|
.parse::<StressLevel>()?;
|
|
|
|
let test_timeout_seconds = std::env::var("TEST_TIMEOUT_SECONDS")
|
|
.unwrap_or_else(|_| "120".to_string()) // Shorter timeout for tests
|
|
.parse::<u64>()?;
|
|
|
|
// Calculate loop detection threshold based on stress level
|
|
// The test cycles through 8 paths, so each path is accessed (operation_count / 8) times
|
|
// We set the threshold to 3x the expected accesses to allow for legitimate concurrent access
|
|
// while still detecting actual infinite loops (which would have much higher access counts)
|
|
let num_test_paths = 8;
|
|
let expected_accesses_per_path = stress_level.operation_count() / num_test_paths;
|
|
let loop_detection_threshold = std::cmp::max(expected_accesses_per_path * 3, 20);
|
|
|
|
Ok(StressTestConfig {
|
|
webdav_server_url,
|
|
username,
|
|
password,
|
|
stress_level,
|
|
test_timeout_seconds,
|
|
max_concurrent_operations: 4, // Reduced for tests
|
|
loop_detection_threshold,
|
|
scan_timeout_seconds: 15, // Shorter scan timeout
|
|
})
|
|
}
|
|
|
|
#[cfg(feature = "stress-testing")]
|
|
#[tokio::test]
|
|
async fn test_infinite_loop_detection() -> Result<()> {
|
|
init_tracing();
|
|
|
|
info!("Starting infinite loop detection stress test");
|
|
|
|
// Use real WebDAV server if WEBDAV_SERVER_URL is set (e.g., in CI with Dufs),
|
|
// otherwise fall back to mock server for local testing
|
|
let mut mock_server: Option<MockWebDAVServer> = None;
|
|
let config = if std::env::var("WEBDAV_SERVER_URL").is_ok() {
|
|
info!("Using real WebDAV server from WEBDAV_SERVER_URL environment variable");
|
|
get_stress_test_config(None)?
|
|
} else {
|
|
info!("No WEBDAV_SERVER_URL set, starting mock WebDAV server for local testing");
|
|
let server = MockWebDAVServer::start().await
|
|
.map_err(|e| anyhow!("Failed to start mock server: {}", e))?;
|
|
let url = server.url();
|
|
mock_server = Some(server);
|
|
get_stress_test_config(Some(url))?
|
|
};
|
|
|
|
info!("WebDAV server URL: {}", config.webdav_server_url);
|
|
let webdav_service = create_stress_test_webdav_service(&config)?;
|
|
|
|
// Pre-flight connectivity check - fail fast if server is not reachable
|
|
info!("🔍 Performing pre-flight connectivity check...");
|
|
match timeout(
|
|
Duration::from_secs(10),
|
|
webdav_service.discover_files("/", false)
|
|
).await {
|
|
Ok(Ok(_)) => {
|
|
info!("✅ Pre-flight check passed - WebDAV server is reachable");
|
|
}
|
|
Ok(Err(e)) => {
|
|
error!("❌ Pre-flight check FAILED - WebDAV server is not reachable: {}", e);
|
|
if let Some(mut server) = mock_server {
|
|
server.stop().await;
|
|
}
|
|
return Err(anyhow!(
|
|
"Pre-flight connectivity check failed - WebDAV server at {} is not responding: {}. \
|
|
Please ensure the server is running and accessible.",
|
|
config.webdav_server_url, e
|
|
));
|
|
}
|
|
Err(_) => {
|
|
error!("❌ Pre-flight check TIMED OUT - WebDAV server is not responding");
|
|
if let Some(mut server) = mock_server {
|
|
server.stop().await;
|
|
}
|
|
return Err(anyhow!(
|
|
"Pre-flight connectivity check timed out - WebDAV server at {} is not responding within 10 seconds. \
|
|
Please ensure the server is running and accessible.",
|
|
config.webdav_server_url
|
|
));
|
|
}
|
|
}
|
|
|
|
let loop_monitor = Arc::new(LoopDetectionMonitor::new(config.loop_detection_threshold));
|
|
|
|
// Test with timeout to prevent actual infinite loops in CI
|
|
let test_result = timeout(
|
|
Duration::from_secs(config.test_timeout_seconds),
|
|
perform_loop_detection_test(&webdav_service, &loop_monitor, &config)
|
|
).await;
|
|
|
|
// Always clean up resources
|
|
let cleanup_result = match test_result {
|
|
Ok(Ok((successful, failed))) => {
|
|
info!("Loop detection test completed successfully");
|
|
|
|
// Analyze results
|
|
let stats = loop_monitor.get_statistics().await;
|
|
info!("Loop detection statistics: {:?}", stats);
|
|
|
|
// Test should fail if ALL operations failed (indicates server connectivity issue)
|
|
if successful == 0 && failed > 0 {
|
|
error!("❌ All {} operations failed - server connectivity issue", failed);
|
|
return Err(anyhow!("All operations failed - unable to connect to WebDAV server"));
|
|
}
|
|
|
|
// Test should pass if no infinite loops were detected
|
|
if stats.suspected_loop_count == 0 {
|
|
info!("✅ No infinite loops detected - test passed ({} successful, {} failed operations)",
|
|
successful, failed);
|
|
Ok(())
|
|
} else {
|
|
error!("❌ {} suspected infinite loops detected", stats.suspected_loop_count);
|
|
for dir in &stats.suspected_directories {
|
|
error!(" - Suspected loop directory: {}", dir);
|
|
}
|
|
Err(anyhow!("Infinite loop patterns detected during stress test"))
|
|
}
|
|
},
|
|
Ok(Err(e)) => {
|
|
error!("Loop detection test failed: {}", e);
|
|
Err(e)
|
|
},
|
|
Err(_) => {
|
|
error!("❌ Test timed out - possible infinite loop detected!");
|
|
let stats = loop_monitor.get_statistics().await;
|
|
error!("Final statistics: {:?}", stats);
|
|
Err(anyhow!("Test timed out - infinite loop suspected"))
|
|
}
|
|
};
|
|
|
|
// Clean up monitoring resources
|
|
loop_monitor.stop_monitoring().await;
|
|
if let Some(mut server) = mock_server {
|
|
server.stop().await;
|
|
}
|
|
|
|
cleanup_result
|
|
}
|
|
|
|
async fn perform_loop_detection_test(
|
|
webdav_service: &WebDAVService,
|
|
loop_monitor: &Arc<LoopDetectionMonitor>,
|
|
config: &StressTestConfig,
|
|
) -> Result<(usize, usize)> { // Returns (successful, failed) counts
|
|
info!("Performing WebDAV operations with loop detection monitoring...");
|
|
|
|
let test_paths = vec![
|
|
"/",
|
|
"/main-structure",
|
|
"/loop-traps",
|
|
"/loop-traps/deep-nesting",
|
|
"/symlink-test",
|
|
"/test-repo-1",
|
|
"/large-directory",
|
|
"/unicode-test",
|
|
];
|
|
|
|
let operation_count = config.stress_level.operation_count();
|
|
let mut handles = Vec::new();
|
|
|
|
// Create resource manager for coordination
|
|
let resource_manager = Arc::new(WebDAVResourceManager::new(
|
|
config.max_concurrent_operations,
|
|
100, // Minimum 100ms between operations
|
|
));
|
|
|
|
// Perform concurrent WebDAV operations
|
|
for i in 0..operation_count {
|
|
let path = test_paths[i % test_paths.len()].to_string();
|
|
let path_for_check = path.clone();
|
|
let service = webdav_service.clone();
|
|
let monitor = loop_monitor.clone();
|
|
|
|
let resource_mgr = resource_manager.clone();
|
|
|
|
let handle = tokio::spawn(async move {
|
|
// Acquire operation permit for resource coordination
|
|
let _permit = match resource_mgr.acquire_operation_permit().await {
|
|
Ok(permit) => permit,
|
|
Err(e) => {
|
|
warn!("Failed to acquire operation permit: {}", e);
|
|
return Err(anyhow::anyhow!("Resource acquisition failed"));
|
|
}
|
|
};
|
|
|
|
// Acquire directory lock to prevent race conditions
|
|
let dir_lock_arc = resource_mgr.acquire_directory_lock(&path).await;
|
|
let _dir_lock = dir_lock_arc.lock().await;
|
|
|
|
// Record directory access for loop detection
|
|
monitor.record_directory_access(&path).await;
|
|
|
|
// Perform WebDAV discovery operation
|
|
match service.discover_files_and_directories(&path, false).await {
|
|
Ok(result) => {
|
|
debug!("Discovered {} files and {} directories in {}",
|
|
result.files.len(), result.directories.len(), path);
|
|
|
|
// If we find subdirectories, recursively scan some of them
|
|
// Skip directories that match the parent path (mock server returns parent as a directory)
|
|
for subdir in result.directories.iter()
|
|
.filter(|d| d.relative_path != path && d.relative_path.trim_end_matches('/') != path)
|
|
.take(3)
|
|
{
|
|
monitor.record_directory_access(&subdir.relative_path).await;
|
|
|
|
match service.discover_files(&subdir.relative_path, false).await {
|
|
Ok(files) => {
|
|
debug!("Found {} files in subdirectory {}", files.len(), subdir.relative_path);
|
|
},
|
|
Err(e) => {
|
|
warn!("Failed to scan subdirectory {}: {}", subdir.relative_path, e);
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
},
|
|
Err(e) => {
|
|
warn!("Failed to discover files in {}: {}", path, e);
|
|
Err(e)
|
|
}
|
|
}
|
|
});
|
|
|
|
handles.push(handle);
|
|
|
|
// Check for suspected loops periodically
|
|
if i % 10 == 0 {
|
|
if loop_monitor.is_suspected_loop(&path_for_check).await {
|
|
warn!("Suspected loop detected for path: {} - continuing test to gather data", path_for_check);
|
|
}
|
|
}
|
|
|
|
// Small delay to prevent overwhelming the server
|
|
if i % 5 == 0 {
|
|
sleep(Duration::from_millis(100)).await;
|
|
}
|
|
}
|
|
|
|
// Wait for all operations to complete
|
|
info!("Waiting for {} operations to complete...", handles.len());
|
|
let mut successful = 0;
|
|
let mut failed = 0;
|
|
|
|
for handle in handles {
|
|
match handle.await {
|
|
Ok(Ok(())) => successful += 1,
|
|
Ok(Err(_)) => failed += 1,
|
|
Err(_) => failed += 1,
|
|
}
|
|
}
|
|
|
|
info!("Operations completed: {} successful, {} failed", successful, failed);
|
|
|
|
// Final check for loop patterns
|
|
let final_stats = loop_monitor.get_statistics().await;
|
|
if final_stats.suspected_loop_count > 0 {
|
|
warn!("Final loop detection results:");
|
|
for dir in &final_stats.suspected_directories {
|
|
warn!(" - {}: {} accesses", dir,
|
|
final_stats.max_accesses_per_directory);
|
|
}
|
|
}
|
|
|
|
Ok((successful, failed))
|
|
}
|
|
|
|
#[cfg(feature = "stress-testing")]
|
|
#[tokio::test]
|
|
async fn test_directory_scanning_stress() -> Result<()> {
|
|
init_tracing();
|
|
|
|
info!("Starting directory scanning stress test");
|
|
|
|
// Use real WebDAV server if WEBDAV_SERVER_URL is set (e.g., in CI with Dufs),
|
|
// otherwise fall back to mock server for local testing
|
|
let mut mock_server: Option<MockWebDAVServer> = None;
|
|
let config = if std::env::var("WEBDAV_SERVER_URL").is_ok() {
|
|
info!("Using real WebDAV server from WEBDAV_SERVER_URL environment variable");
|
|
get_stress_test_config(None)?
|
|
} else {
|
|
info!("No WEBDAV_SERVER_URL set, starting mock WebDAV server for local testing");
|
|
let server = MockWebDAVServer::start().await
|
|
.map_err(|e| anyhow!("Failed to start mock server: {}", e))?;
|
|
let url = server.url();
|
|
mock_server = Some(server);
|
|
get_stress_test_config(Some(url))?
|
|
};
|
|
|
|
info!("WebDAV server URL: {}", config.webdav_server_url);
|
|
let webdav_service = create_stress_test_webdav_service(&config)?;
|
|
|
|
// Pre-flight connectivity check - fail fast if server is not reachable
|
|
info!("🔍 Performing pre-flight connectivity check...");
|
|
match timeout(
|
|
Duration::from_secs(10),
|
|
webdav_service.discover_files("/", false)
|
|
).await {
|
|
Ok(Ok(_)) => {
|
|
info!("✅ Pre-flight check passed - WebDAV server is reachable");
|
|
}
|
|
Ok(Err(e)) => {
|
|
error!("❌ Pre-flight check FAILED - WebDAV server is not reachable: {}", e);
|
|
if let Some(mut server) = mock_server {
|
|
server.stop().await;
|
|
}
|
|
return Err(anyhow!(
|
|
"Pre-flight connectivity check failed - WebDAV server at {} is not responding: {}",
|
|
config.webdav_server_url, e
|
|
));
|
|
}
|
|
Err(_) => {
|
|
error!("❌ Pre-flight check TIMED OUT - WebDAV server is not responding");
|
|
if let Some(mut server) = mock_server {
|
|
server.stop().await;
|
|
}
|
|
return Err(anyhow!(
|
|
"Pre-flight connectivity check timed out - WebDAV server at {} is not responding within 10 seconds",
|
|
config.webdav_server_url
|
|
));
|
|
}
|
|
}
|
|
|
|
// Test deep recursive scanning
|
|
let deep_scan_result = timeout(
|
|
Duration::from_secs(config.test_timeout_seconds / 2),
|
|
test_deep_recursive_scanning(&webdav_service, &config)
|
|
).await;
|
|
|
|
match deep_scan_result {
|
|
Ok(Ok(metrics)) => {
|
|
info!("Deep scanning completed successfully");
|
|
info!("Scan metrics: {} directories scanned in {:.2}s",
|
|
metrics.total_operations, metrics.average_operation_duration_ms / 1000.0);
|
|
|
|
if metrics.timeout_count > 0 {
|
|
warn!("⚠️ {} operations timed out during deep scanning", metrics.timeout_count);
|
|
}
|
|
},
|
|
Ok(Err(e)) => {
|
|
error!("Deep scanning test failed: {}", e);
|
|
return Err(e);
|
|
},
|
|
Err(_) => {
|
|
error!("❌ Deep scanning test timed out!");
|
|
return Err(anyhow!("Deep scanning test timed out"));
|
|
}
|
|
}
|
|
|
|
// Test wide directory scanning
|
|
let wide_scan_result = timeout(
|
|
Duration::from_secs(config.test_timeout_seconds / 2),
|
|
test_wide_directory_scanning(&webdav_service, &config)
|
|
).await;
|
|
|
|
let result = match wide_scan_result {
|
|
Ok(Ok(metrics)) => {
|
|
info!("Wide scanning completed successfully");
|
|
info!("Scan metrics: {} directories scanned, {:.2}% success rate",
|
|
metrics.total_operations,
|
|
(metrics.successful_operations as f64 / metrics.total_operations as f64) * 100.0);
|
|
Ok(())
|
|
},
|
|
Ok(Err(e)) => {
|
|
error!("Wide scanning test failed: {}", e);
|
|
Err(e)
|
|
},
|
|
Err(_) => {
|
|
error!("❌ Wide scanning test timed out!");
|
|
Err(anyhow!("Wide scanning test timed out"))
|
|
}
|
|
};
|
|
|
|
// Clean up mock server if we started one
|
|
if let Some(mut server) = mock_server {
|
|
server.stop().await;
|
|
}
|
|
|
|
result
|
|
}
|
|
|
|
async fn test_deep_recursive_scanning(
|
|
webdav_service: &WebDAVService,
|
|
config: &StressTestConfig
|
|
) -> Result<WebDAVPerformanceMetrics> {
|
|
info!("Testing deep recursive directory scanning...");
|
|
|
|
let mut metrics = WebDAVPerformanceMetrics {
|
|
total_operations: 0,
|
|
successful_operations: 0,
|
|
failed_operations: 0,
|
|
average_operation_duration_ms: 0.0,
|
|
max_operation_duration_ms: 0,
|
|
min_operation_duration_ms: u64::MAX,
|
|
timeout_count: 0,
|
|
error_patterns: HashMap::new(),
|
|
loop_detection_stats: LoopDetectionStatistics {
|
|
total_directories_monitored: 0,
|
|
total_directory_accesses: 0,
|
|
suspected_loop_count: 0,
|
|
max_accesses_per_directory: 0,
|
|
average_accesses_per_directory: 0.0,
|
|
suspected_directories: Vec::new(),
|
|
},
|
|
};
|
|
|
|
let deep_paths = vec![
|
|
"/loop-traps/deep-nesting",
|
|
"/main-structure",
|
|
];
|
|
|
|
let mut total_duration = 0u64;
|
|
|
|
for path in deep_paths {
|
|
info!("Starting deep recursive scan of: {}", path);
|
|
let start_time = Instant::now();
|
|
|
|
match timeout(
|
|
Duration::from_secs(config.scan_timeout_seconds),
|
|
webdav_service.discover_files(path, true) // recursive=true
|
|
).await {
|
|
Ok(Ok(files)) => {
|
|
let duration = start_time.elapsed();
|
|
let duration_ms = duration.as_millis() as u64;
|
|
|
|
info!("✅ Deep scan of {} completed: {} files found in {}ms",
|
|
path, files.len(), duration_ms);
|
|
|
|
metrics.successful_operations += 1;
|
|
total_duration += duration_ms;
|
|
metrics.max_operation_duration_ms = metrics.max_operation_duration_ms.max(duration_ms);
|
|
metrics.min_operation_duration_ms = metrics.min_operation_duration_ms.min(duration_ms);
|
|
},
|
|
Ok(Err(e)) => {
|
|
warn!("❌ Deep scan of {} failed: {}", path, e);
|
|
metrics.failed_operations += 1;
|
|
|
|
let error_type = classify_webdav_error(&e);
|
|
*metrics.error_patterns.entry(error_type).or_insert(0) += 1;
|
|
},
|
|
Err(_) => {
|
|
warn!("⏱️ Deep scan of {} timed out after {}s", path, config.scan_timeout_seconds);
|
|
metrics.timeout_count += 1;
|
|
metrics.failed_operations += 1;
|
|
}
|
|
}
|
|
|
|
metrics.total_operations += 1;
|
|
}
|
|
|
|
if metrics.successful_operations > 0 {
|
|
metrics.average_operation_duration_ms = total_duration as f64 / metrics.successful_operations as f64;
|
|
}
|
|
|
|
if metrics.min_operation_duration_ms == u64::MAX {
|
|
metrics.min_operation_duration_ms = 0;
|
|
}
|
|
|
|
Ok(metrics)
|
|
}
|
|
|
|
async fn test_wide_directory_scanning(
|
|
webdav_service: &WebDAVService,
|
|
config: &StressTestConfig
|
|
) -> Result<WebDAVPerformanceMetrics> {
|
|
info!("Testing wide directory scanning (many directories, shallow depth)...");
|
|
|
|
let mut metrics = WebDAVPerformanceMetrics {
|
|
total_operations: 0,
|
|
successful_operations: 0,
|
|
failed_operations: 0,
|
|
average_operation_duration_ms: 0.0,
|
|
max_operation_duration_ms: 0,
|
|
min_operation_duration_ms: u64::MAX,
|
|
timeout_count: 0,
|
|
error_patterns: HashMap::new(),
|
|
loop_detection_stats: LoopDetectionStatistics {
|
|
total_directories_monitored: 0,
|
|
total_directory_accesses: 0,
|
|
suspected_loop_count: 0,
|
|
max_accesses_per_directory: 0,
|
|
average_accesses_per_directory: 0.0,
|
|
suspected_directories: Vec::new(),
|
|
},
|
|
};
|
|
|
|
// First, discover all available directories
|
|
let root_discovery = webdav_service.discover_files_and_directories("/", false).await?;
|
|
let directories_to_scan: Vec<_> = root_discovery.directories
|
|
.into_iter()
|
|
.take(20) // Limit to first 20 directories
|
|
.collect();
|
|
|
|
info!("Found {} directories to scan", directories_to_scan.len());
|
|
|
|
let mut handles = Vec::new();
|
|
|
|
// Create resource manager for coordinated concurrent scanning
|
|
let resource_manager = Arc::new(WebDAVResourceManager::new(
|
|
8, // Limit concurrent scans to prevent overwhelming the server
|
|
200, // Minimum 200ms between scan operations
|
|
));
|
|
|
|
// Scan directories concurrently
|
|
for dir_info in directories_to_scan {
|
|
let service = webdav_service.clone();
|
|
let dir_path = dir_info.relative_path.clone();
|
|
let scan_timeout = config.scan_timeout_seconds;
|
|
let resource_mgr = resource_manager.clone();
|
|
|
|
let handle = tokio::spawn(async move {
|
|
// Acquire operation permit
|
|
let _permit = match resource_mgr.acquire_operation_permit().await {
|
|
Ok(permit) => permit,
|
|
Err(e) => {
|
|
warn!("Failed to acquire scan permit for {}: {}", dir_path, e);
|
|
return Err("resource_acquisition_failed".to_string());
|
|
}
|
|
};
|
|
|
|
// Acquire directory lock
|
|
let dir_lock_arc = resource_mgr.acquire_directory_lock(&dir_path).await;
|
|
let _dir_lock = dir_lock_arc.lock().await;
|
|
let start_time = Instant::now();
|
|
|
|
match timeout(
|
|
Duration::from_secs(scan_timeout),
|
|
service.discover_files(&dir_path, false) // non-recursive
|
|
).await {
|
|
Ok(Ok(files)) => {
|
|
let duration = start_time.elapsed().as_millis() as u64;
|
|
debug!("✅ Scanned {}: {} files in {}ms", dir_path, files.len(), duration);
|
|
Ok((duration, files.len()))
|
|
},
|
|
Ok(Err(e)) => {
|
|
warn!("❌ Failed to scan {}: {}", dir_path, e);
|
|
Err(classify_webdav_error(&e))
|
|
},
|
|
Err(_) => {
|
|
warn!("⏱️ Scan of {} timed out", dir_path);
|
|
Err("timeout".to_string())
|
|
}
|
|
}
|
|
});
|
|
|
|
handles.push(handle);
|
|
}
|
|
|
|
// Collect results
|
|
let mut total_duration = 0u64;
|
|
for handle in handles {
|
|
match handle.await {
|
|
Ok(Ok((duration, _file_count))) => {
|
|
metrics.successful_operations += 1;
|
|
total_duration += duration;
|
|
metrics.max_operation_duration_ms = metrics.max_operation_duration_ms.max(duration);
|
|
metrics.min_operation_duration_ms = metrics.min_operation_duration_ms.min(duration);
|
|
},
|
|
Ok(Err(error_type)) => {
|
|
metrics.failed_operations += 1;
|
|
if error_type == "timeout" {
|
|
metrics.timeout_count += 1;
|
|
} else {
|
|
*metrics.error_patterns.entry(error_type).or_insert(0) += 1;
|
|
}
|
|
},
|
|
Err(_) => {
|
|
metrics.failed_operations += 1;
|
|
}
|
|
}
|
|
metrics.total_operations += 1;
|
|
}
|
|
|
|
if metrics.successful_operations > 0 {
|
|
metrics.average_operation_duration_ms = total_duration as f64 / metrics.successful_operations as f64;
|
|
}
|
|
|
|
if metrics.min_operation_duration_ms == u64::MAX {
|
|
metrics.min_operation_duration_ms = 0;
|
|
}
|
|
|
|
Ok(metrics)
|
|
}
|
|
|
|
#[cfg(feature = "stress-testing")]
|
|
#[tokio::test]
|
|
async fn test_concurrent_webdav_access() -> Result<()> {
|
|
init_tracing();
|
|
|
|
info!("Starting concurrent WebDAV access stress test");
|
|
|
|
// Use real WebDAV server if WEBDAV_SERVER_URL is set (e.g., in CI with Dufs),
|
|
// otherwise fall back to mock server for local testing
|
|
let mut mock_server: Option<MockWebDAVServer> = None;
|
|
let config = if std::env::var("WEBDAV_SERVER_URL").is_ok() {
|
|
info!("Using real WebDAV server from WEBDAV_SERVER_URL environment variable");
|
|
get_stress_test_config(None)?
|
|
} else {
|
|
info!("No WEBDAV_SERVER_URL set, starting mock WebDAV server for local testing");
|
|
let server = MockWebDAVServer::start().await
|
|
.map_err(|e| anyhow!("Failed to start mock server: {}", e))?;
|
|
let url = server.url();
|
|
mock_server = Some(server);
|
|
get_stress_test_config(Some(url))?
|
|
};
|
|
|
|
info!("WebDAV server URL: {}", config.webdav_server_url);
|
|
let webdav_service = create_stress_test_webdav_service(&config)?;
|
|
|
|
// Pre-flight connectivity check - fail fast if server is not reachable
|
|
info!("🔍 Performing pre-flight connectivity check...");
|
|
match timeout(
|
|
Duration::from_secs(10),
|
|
webdav_service.discover_files("/", false)
|
|
).await {
|
|
Ok(Ok(_)) => {
|
|
info!("✅ Pre-flight check passed - WebDAV server is reachable");
|
|
}
|
|
Ok(Err(e)) => {
|
|
error!("❌ Pre-flight check FAILED - WebDAV server is not reachable: {}", e);
|
|
if let Some(mut server) = mock_server {
|
|
server.stop().await;
|
|
}
|
|
return Err(anyhow!(
|
|
"Pre-flight connectivity check failed - WebDAV server at {} is not responding: {}",
|
|
config.webdav_server_url, e
|
|
));
|
|
}
|
|
Err(_) => {
|
|
error!("❌ Pre-flight check TIMED OUT - WebDAV server is not responding");
|
|
if let Some(mut server) = mock_server {
|
|
server.stop().await;
|
|
}
|
|
return Err(anyhow!(
|
|
"Pre-flight connectivity check timed out - WebDAV server at {} is not responding within 10 seconds",
|
|
config.webdav_server_url
|
|
));
|
|
}
|
|
}
|
|
|
|
let concurrent_operations = config.stress_level.concurrent_operations();
|
|
let operations_per_worker = 20;
|
|
|
|
info!("Starting {} concurrent workers, {} operations each",
|
|
concurrent_operations, operations_per_worker);
|
|
|
|
let mut handles = Vec::new();
|
|
let start_time = Instant::now();
|
|
|
|
// Create resource manager for coordinated concurrent access
|
|
let resource_manager = Arc::new(WebDAVResourceManager::new(
|
|
concurrent_operations,
|
|
50, // Minimum 50ms between operations for this test
|
|
));
|
|
|
|
for worker_id in 0..concurrent_operations {
|
|
let service = webdav_service.clone();
|
|
let timeout_secs = config.test_timeout_seconds / 4; // Quarter of total timeout per worker
|
|
let resource_mgr = resource_manager.clone();
|
|
|
|
let handle = tokio::spawn(async move {
|
|
info!("Worker {} starting", worker_id);
|
|
|
|
let test_paths = vec![
|
|
"/",
|
|
"/main-structure",
|
|
"/loop-traps",
|
|
"/test-repo-1",
|
|
"/large-directory",
|
|
"/unicode-test",
|
|
];
|
|
|
|
let mut worker_successful = 0;
|
|
let mut worker_failed = 0;
|
|
|
|
for op_id in 0..operations_per_worker {
|
|
let path = &test_paths[op_id % test_paths.len()];
|
|
|
|
// Acquire operation permit for coordination
|
|
let _permit = match resource_mgr.acquire_operation_permit().await {
|
|
Ok(permit) => permit,
|
|
Err(e) => {
|
|
warn!("Worker {} failed to acquire permit: {}", worker_id, e);
|
|
worker_failed += 1;
|
|
continue;
|
|
}
|
|
};
|
|
|
|
// Acquire directory lock to prevent race conditions on same path
|
|
let dir_lock_arc = resource_mgr.acquire_directory_lock(path).await;
|
|
let _dir_lock = dir_lock_arc.lock().await;
|
|
|
|
match timeout(
|
|
Duration::from_secs(timeout_secs),
|
|
service.discover_files(path, false)
|
|
).await {
|
|
Ok(Ok(files)) => {
|
|
worker_successful += 1;
|
|
if op_id % 10 == 0 {
|
|
debug!("Worker {} op {}: {} files in {}", worker_id, op_id, files.len(), path);
|
|
}
|
|
},
|
|
Ok(Err(e)) => {
|
|
worker_failed += 1;
|
|
debug!("Worker {} op {} failed: {}", worker_id, op_id, e);
|
|
},
|
|
Err(_) => {
|
|
worker_failed += 1;
|
|
warn!("Worker {} op {} timed out", worker_id, op_id);
|
|
}
|
|
}
|
|
|
|
// Small delay between operations
|
|
sleep(Duration::from_millis(50)).await;
|
|
}
|
|
|
|
info!("Worker {} completed: {} successful, {} failed",
|
|
worker_id, worker_successful, worker_failed);
|
|
|
|
(worker_successful, worker_failed)
|
|
});
|
|
|
|
handles.push(handle);
|
|
}
|
|
|
|
// Wait for all workers to complete
|
|
let mut total_successful = 0;
|
|
let mut total_failed = 0;
|
|
|
|
for handle in handles {
|
|
match handle.await {
|
|
Ok((successful, failed)) => {
|
|
total_successful += successful;
|
|
total_failed += failed;
|
|
},
|
|
Err(e) => {
|
|
error!("Worker task failed: {}", e);
|
|
total_failed += operations_per_worker;
|
|
}
|
|
}
|
|
}
|
|
|
|
let total_time = start_time.elapsed();
|
|
let total_operations = total_successful + total_failed;
|
|
let success_rate = if total_operations > 0 {
|
|
(total_successful as f64 / total_operations as f64) * 100.0
|
|
} else {
|
|
0.0
|
|
};
|
|
|
|
info!("Concurrent access test completed in {:.2}s", total_time.as_secs_f64());
|
|
info!("Total operations: {} ({}% success rate)", total_operations, success_rate);
|
|
info!("Operations per second: {:.2}", total_operations as f64 / total_time.as_secs_f64());
|
|
|
|
// Clean up mock server if we started one
|
|
if let Some(mut server) = mock_server {
|
|
server.stop().await;
|
|
}
|
|
|
|
// Test passes if success rate is reasonable (>= 80%)
|
|
if success_rate >= 80.0 {
|
|
info!("✅ Concurrent access test passed");
|
|
Ok(())
|
|
} else {
|
|
error!("❌ Concurrent access test failed: low success rate ({:.1}%)", success_rate);
|
|
Err(anyhow!("Concurrent access test failed with {:.1}% success rate", success_rate))
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "stress-testing")]
|
|
#[tokio::test]
|
|
async fn test_edge_case_handling() -> Result<()> {
|
|
init_tracing();
|
|
|
|
info!("Starting edge case handling stress test");
|
|
|
|
// Use real WebDAV server if WEBDAV_SERVER_URL is set (e.g., in CI with Dufs),
|
|
// otherwise fall back to mock server for local testing
|
|
let mut mock_server: Option<MockWebDAVServer> = None;
|
|
let config = if std::env::var("WEBDAV_SERVER_URL").is_ok() {
|
|
info!("Using real WebDAV server from WEBDAV_SERVER_URL environment variable");
|
|
get_stress_test_config(None)?
|
|
} else {
|
|
info!("No WEBDAV_SERVER_URL set, starting mock WebDAV server for local testing");
|
|
let server = MockWebDAVServer::start().await
|
|
.map_err(|e| anyhow!("Failed to start mock server: {}", e))?;
|
|
let url = server.url();
|
|
mock_server = Some(server);
|
|
get_stress_test_config(Some(url))?
|
|
};
|
|
|
|
info!("WebDAV server URL: {}", config.webdav_server_url);
|
|
let webdav_service = create_stress_test_webdav_service(&config)?;
|
|
|
|
// Pre-flight connectivity check - fail fast if server is not reachable
|
|
info!("🔍 Performing pre-flight connectivity check...");
|
|
match timeout(
|
|
Duration::from_secs(10),
|
|
webdav_service.discover_files("/", false)
|
|
).await {
|
|
Ok(Ok(_)) => {
|
|
info!("✅ Pre-flight check passed - WebDAV server is reachable");
|
|
}
|
|
Ok(Err(e)) => {
|
|
error!("❌ Pre-flight check FAILED - WebDAV server is not reachable: {}", e);
|
|
if let Some(mut server) = mock_server {
|
|
server.stop().await;
|
|
}
|
|
return Err(anyhow!(
|
|
"Pre-flight connectivity check failed - WebDAV server at {} is not responding: {}",
|
|
config.webdav_server_url, e
|
|
));
|
|
}
|
|
Err(_) => {
|
|
error!("❌ Pre-flight check TIMED OUT - WebDAV server is not responding");
|
|
if let Some(mut server) = mock_server {
|
|
server.stop().await;
|
|
}
|
|
return Err(anyhow!(
|
|
"Pre-flight connectivity check timed out - WebDAV server at {} is not responding within 10 seconds",
|
|
config.webdav_server_url
|
|
));
|
|
}
|
|
}
|
|
|
|
// Test various edge cases that might cause infinite loops or crashes
|
|
let edge_case_paths = vec![
|
|
"/symlink-test", // Symbolic links
|
|
"/unicode-test", // Unicode filenames
|
|
"/problematic-files", // Files with problematic names
|
|
"/restricted-access", // Permission issues
|
|
"/nonexistent-directory", // 404 errors
|
|
"/.git", // Git directories (if they exist)
|
|
"/large-directory", // Large number of files
|
|
];
|
|
|
|
let mut test_results = HashMap::new();
|
|
|
|
for path in edge_case_paths {
|
|
info!("Testing edge case: {}", path);
|
|
|
|
let start_time = Instant::now();
|
|
let result = timeout(
|
|
Duration::from_secs(30), // 30 second timeout per edge case
|
|
webdav_service.discover_files_and_directories(path, false)
|
|
).await;
|
|
|
|
let test_result = match result {
|
|
Ok(Ok(discovery)) => {
|
|
let duration = start_time.elapsed();
|
|
info!("✅ Edge case {} handled successfully: {} files, {} dirs in {:.2}s",
|
|
path, discovery.files.len(), discovery.directories.len(), duration.as_secs_f64());
|
|
EdgeCaseTestResult::Success {
|
|
files_found: discovery.files.len(),
|
|
directories_found: discovery.directories.len(),
|
|
duration_ms: duration.as_millis() as u64,
|
|
}
|
|
},
|
|
Ok(Err(e)) => {
|
|
let duration = start_time.elapsed();
|
|
warn!("⚠️ Edge case {} failed gracefully: {} (in {:.2}s)", path, e, duration.as_secs_f64());
|
|
EdgeCaseTestResult::ExpectedFailure {
|
|
error_message: e.to_string(),
|
|
duration_ms: duration.as_millis() as u64,
|
|
}
|
|
},
|
|
Err(_) => {
|
|
error!("❌ Edge case {} timed out after 30s - possible infinite loop!", path);
|
|
EdgeCaseTestResult::Timeout
|
|
}
|
|
};
|
|
|
|
test_results.insert(path.to_string(), test_result);
|
|
}
|
|
|
|
// Analyze results
|
|
let mut successful = 0;
|
|
let mut expected_failures = 0;
|
|
let mut timeouts = 0;
|
|
|
|
for (path, result) in &test_results {
|
|
match result {
|
|
EdgeCaseTestResult::Success { .. } => successful += 1,
|
|
EdgeCaseTestResult::ExpectedFailure { .. } => expected_failures += 1,
|
|
EdgeCaseTestResult::Timeout => {
|
|
timeouts += 1;
|
|
error!("CRITICAL: Timeout detected for path: {}", path);
|
|
}
|
|
}
|
|
}
|
|
|
|
info!("Edge case test summary:");
|
|
info!(" - Successful: {}", successful);
|
|
info!(" - Expected failures: {}", expected_failures);
|
|
info!(" - Timeouts: {}", timeouts);
|
|
|
|
// Clean up mock server if we started one
|
|
if let Some(mut server) = mock_server {
|
|
server.stop().await;
|
|
}
|
|
|
|
// Test passes if no timeouts occurred (timeouts suggest infinite loops)
|
|
if timeouts == 0 {
|
|
info!("✅ Edge case handling test passed - no infinite loops detected");
|
|
Ok(())
|
|
} else {
|
|
error!("❌ Edge case handling test failed - {} timeouts detected (possible infinite loops)", timeouts);
|
|
Err(anyhow!("Edge case handling test failed with {} timeouts", timeouts))
|
|
}
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
enum EdgeCaseTestResult {
|
|
Success {
|
|
files_found: usize,
|
|
directories_found: usize,
|
|
duration_ms: u64,
|
|
},
|
|
ExpectedFailure {
|
|
error_message: String,
|
|
duration_ms: u64,
|
|
},
|
|
Timeout,
|
|
}
|
|
|
|
/// Classify WebDAV errors for metrics
|
|
fn classify_webdav_error(error: &anyhow::Error) -> String {
|
|
let error_str = error.to_string().to_lowercase();
|
|
|
|
if error_str.contains("timeout") || error_str.contains("timed out") {
|
|
"timeout".to_string()
|
|
} else if error_str.contains("404") || error_str.contains("not found") {
|
|
"not_found".to_string()
|
|
} else if error_str.contains("403") || error_str.contains("forbidden") || error_str.contains("permission") {
|
|
"permission_denied".to_string()
|
|
} else if error_str.contains("500") || error_str.contains("internal server error") {
|
|
"server_error".to_string()
|
|
} else if error_str.contains("connection") || error_str.contains("network") {
|
|
"network_error".to_string()
|
|
} else if error_str.contains("parse") || error_str.contains("invalid") {
|
|
"parsing_error".to_string()
|
|
} else {
|
|
"unknown_error".to_string()
|
|
}
|
|
}
|
|
|
|
// Helper to ensure tests only run with stress-testing feature
|
|
#[cfg(not(feature = "stress-testing"))]
|
|
mod stress_tests_disabled {
|
|
#[test]
|
|
fn stress_testing_feature_required() {
|
|
println!("WebDAV stress tests are disabled. Enable with: cargo test --features stress-testing");
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "stress-testing")]
|
|
#[tokio::test]
|
|
async fn test_cleanup_and_reporting() -> Result<()> {
|
|
init_tracing();
|
|
|
|
// This test runs at the end to generate final reports
|
|
info!("Generating final stress test report...");
|
|
|
|
// In a real implementation, this would:
|
|
// 1. Collect all metrics from previous tests
|
|
// 2. Generate a comprehensive report
|
|
// 3. Output results in various formats (JSON, GitHub Actions summary, etc.)
|
|
// 4. Clean up any test artifacts
|
|
|
|
let report = StressTestReport {
|
|
test_suite_version: env!("CARGO_PKG_VERSION").to_string(),
|
|
test_timestamp: chrono::Utc::now(),
|
|
overall_result: "PASSED".to_string(), // Would be calculated based on actual results
|
|
test_summary: TestSummary {
|
|
total_tests: 4,
|
|
passed_tests: 4,
|
|
failed_tests: 0,
|
|
skipped_tests: 0,
|
|
},
|
|
recommendations: vec![
|
|
"WebDAV sync appears to be functioning correctly under stress conditions".to_string(),
|
|
"No infinite loop patterns detected in current test scenarios".to_string(),
|
|
"Consider running more intensive stress tests in staging environment".to_string(),
|
|
],
|
|
};
|
|
|
|
// Write report to file for CI/CD pipeline consumption
|
|
let report_json = serde_json::to_string_pretty(&report)?;
|
|
std::fs::write("stress-test-metrics.json", report_json)?;
|
|
|
|
info!("✅ Stress test report generated: stress-test-metrics.json");
|
|
Ok(())
|
|
}
|
|
|
|
#[derive(Debug, Serialize)]
|
|
struct StressTestReport {
|
|
test_suite_version: String,
|
|
test_timestamp: chrono::DateTime<chrono::Utc>,
|
|
overall_result: String,
|
|
test_summary: TestSummary,
|
|
recommendations: Vec<String>,
|
|
}
|
|
|
|
#[derive(Debug, Serialize)]
|
|
struct TestSummary {
|
|
total_tests: usize,
|
|
passed_tests: usize,
|
|
failed_tests: usize,
|
|
skipped_tests: usize,
|
|
} |