560 lines
20 KiB
Python
Executable File
560 lines
20 KiB
Python
Executable File
import argparse
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import filecmp
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import os
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import re
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import shutil
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import subprocess
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import sys
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import tempfile
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import time
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import socket
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TEST_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), "test_data")
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DEFAULT_SOURCE_DIR = os.path.join(TEST_DIR, "source")
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DEFAULT_DEST_DIR = os.path.join(TEST_DIR, "dest")
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SERVER_CMD = ["./build/server"]
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base_client_cmd = ["./build/client"]
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DISK_DEVICE = "/dev/nvme0n1p5"
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READ_BPS_MAX = "15M"
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WRITE_BPS_MAX = "10M"
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NETWORK_INTERFACE = "lo"
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NETWORK_PROFILES = {
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"Unlimited": {},
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"LAN": {
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"rate": "1000mbit",
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"delay": "20ms",
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"jitter": "1ms",
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"loss": "0.1%",
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},
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"WAN": {
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"rate": "100mbit",
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"delay": "50ms",
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"jitter": "10ms",
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"loss": "1%",
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},
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}
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CLIENT_CMD_PREFIX = [
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"sudo",
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"systemd-run",
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"--scope",
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"-p",
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f"IOReadBandwidthMax={DISK_DEVICE} {READ_BPS_MAX}",
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"-p",
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f"IOWriteBandwidthMax={DISK_DEVICE} {WRITE_BPS_MAX}",
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]
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TEST_CASES = [
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{"name": "Standard", "flags": []},
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{"name": "Multithreading (-m)", "flags": ["-m"]},
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{"name": "Compression (-c)", "flags": ["-c"]},
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{"name": "Chunk Serialization (-s)", "flags": ["-s"]},
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{"name": "Compression + Chunk Serialization (-c -s)", "flags": ["-c", "-s"]},
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{"name": "Multithreading + Compression (-m -c)", "flags": ["-m", "-c"]},
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{"name": "Multithreading + Chunk Serialization (-m -s)", "flags": ["-m", "-s"]},
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{
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"name": "Multithreading + Compression + Chunk Serialization (-m -c -s)",
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"flags": ["-m", "-c", "-s"],
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},
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{"name": "Sendfile (-f)", "flags": ["-f"]},
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{"name": "Sendfile + Multithreading (-f -m)", "flags": ["-f", "-m"]},
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]
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RSYNC_CASES = [
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{"name": "rsync (archive)", "args": ["-aH"]},
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{"name": "rsync (archive + compress)", "args": ["-aHz"]},
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]
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def netem_apply(profile):
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params = NETWORK_PROFILES[profile]
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if not params:
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netem_reset()
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return
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netem_reset()
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cmd = ["sudo", "tc", "qdisc", "add", "dev", NETWORK_INTERFACE, "root", "netem"]
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cmd += ["rate", params["rate"]]
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cmd += ["delay", params["delay"], params["jitter"]]
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cmd += ["loss", params["loss"]]
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subprocess.run(cmd, check=True, capture_output=True)
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def netem_reset():
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subprocess.run(
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f"sudo tc qdisc del dev {NETWORK_INTERFACE} root".split(),
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capture_output=True,
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)
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def find_free_port():
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
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s.bind(('', 0))
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return s.getsockname()[1]
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def generate_test_files(source_dir):
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if os.path.exists(source_dir):
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shutil.rmtree(source_dir)
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os.makedirs(source_dir)
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target_total = 50 * 1024 * 1024
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written = 0
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files = {
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"small.txt": b"hello world\n",
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"medium.txt": b"the quick brown fox jumps over the lazy dog\n" * 5000,
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"binary.bin": bytes(range(256)) * 1000,
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"nested/subdir/deep.txt": b"deeply nested file\n",
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"nested/another.txt": b"another nested file\n" * 50,
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}
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for rel_path, content in files.items():
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full_path = os.path.join(source_dir, rel_path)
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os.makedirs(os.path.dirname(full_path), exist_ok=True)
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with open(full_path, "wb") as f:
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f.write(content)
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written += len(content)
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i = 0
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while written < target_total:
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chunk_size = min(5 * 1024 * 1024, target_total - written)
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rel_path = f"bulk/file_{i}.dat"
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full_path = os.path.join(source_dir, rel_path)
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os.makedirs(os.path.dirname(full_path), exist_ok=True)
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with open(full_path, "wb") as f:
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f.write(b"0" * chunk_size)
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written += chunk_size
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i += 1
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total_mb = written / (1024 * 1024)
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print(f" Generated {total_mb:.1f} MB of test data in {source_dir}")
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return written
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def verify_transfer(source_dir, received_dir):
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source_dir = os.path.abspath(source_dir)
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received_dir = os.path.abspath(received_dir)
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if not os.path.exists(received_dir):
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return [], ["no received files found"]
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mismatches = []
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missing = []
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for root, dirs, files in os.walk(source_dir):
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for f in files:
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src_path = os.path.join(root, f)
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rel = os.path.relpath(src_path, source_dir)
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dst_path = os.path.join(received_dir, rel)
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if not os.path.exists(dst_path):
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missing.append(rel)
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elif not filecmp.cmp(src_path, dst_path, shallow=False):
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mismatches.append(rel)
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return mismatches, missing
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def run_profile(profile_name, source_dir, dest_dir):
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results = []
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is_limited = profile_name != "Unlimited"
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params = NETWORK_PROFILES[profile_name]
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print(f"\n{'=' * 60}")
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print(f"Profile: {profile_name}")
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print(f"{'=' * 60}")
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if is_limited:
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p = params
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print(f" Network: rate={p['rate']}, delay={p['delay']} ±{p['jitter']}, loss={p['loss']}")
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print(f" Disk I/O: Reads <= {READ_BPS_MAX}, Writes <= {WRITE_BPS_MAX}")
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client_prefix = CLIENT_CMD_PREFIX
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else:
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print(" No limits applied")
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client_prefix = []
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try:
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if is_limited:
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netem_apply(profile_name)
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else:
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netem_reset()
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for case in TEST_CASES:
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name = case["name"]
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flags = case["flags"]
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print(f"\n --- {name} ---")
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if os.path.exists(dest_dir):
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shutil.rmtree(dest_dir)
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server_process = None
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try:
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server_process = subprocess.Popen(
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SERVER_CMD, stdout=subprocess.DEVNULL, stderr=None
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)
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time.sleep(0.5)
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env = os.environ.copy()
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client_cmd = (
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client_prefix
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+ base_client_cmd
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+ ["--source-dir", source_dir, "--dest-dir", dest_dir, "--save-to-disk"]
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+ flags
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)
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print(f" Running: {' '.join(client_cmd)}")
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start_time = time.monotonic()
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client_result = subprocess.run(
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client_cmd, env=env, text=True, capture_output=True
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)
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end_time = time.monotonic()
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duration = end_time - start_time
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if server_process:
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try:
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server_process.wait(timeout=5)
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except subprocess.TimeoutExpired:
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server_process.kill()
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server_process.wait()
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server_process = None
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mismatches, missing = [], []
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if client_result.returncode == 0:
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received = os.path.join(dest_dir, os.path.abspath(source_dir).lstrip(os.sep))
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mismatches, missing = verify_transfer(source_dir, received)
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entry = {
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"name": name,
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"suite": profile_name,
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"time": f"{duration:.4f}s" if client_result.returncode == 0 else "N/A",
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}
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if client_result.returncode == 0 and not mismatches and not missing:
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entry["status"] = "Success"
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entry["error"] = ""
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else:
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entry["status"] = "Failed"
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errors = []
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if client_result.returncode != 0:
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err = (
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client_result.stderr.strip().split("\n")[0]
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if client_result.stderr
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else (
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client_result.stdout.strip().split("\n")[0]
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if client_result.stdout
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else "No output"
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)
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)
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errors.append(f"Exit code {client_result.returncode}: {err[:80]}")
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if missing:
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errors.append(f"Missing ({len(missing)}): {', '.join(missing[:5])}")
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if mismatches:
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errors.append(f"Mismatch ({len(mismatches)}): {', '.join(mismatches[:3])}")
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entry["error"] = " | ".join(errors)
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results.append(entry)
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except subprocess.TimeoutExpired:
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results.append(
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{"name": name, "suite": profile_name, "status": "Timeout", "time": "N/A", "error": "Exceeded 15s"}
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)
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except Exception as e:
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results.append(
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{"name": name, "suite": profile_name, "status": "Error", "time": "N/A", "error": str(e)}
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)
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finally:
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if server_process:
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try:
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server_process.wait(timeout=5)
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except subprocess.TimeoutExpired:
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server_process.kill()
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server_process.wait()
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# Rsync tests (over network via daemon, so tc netem applies)
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rsync_port = find_free_port()
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rsyncd_conf = os.path.join(tempfile.gettempdir(), f"rsyncd-{rsync_port}.conf")
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with open(rsyncd_conf, "w") as f:
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f.write(f"""port = {rsync_port}
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read only = yes
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[source]
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path = {source_dir}
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""")
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rsync_daemon = None
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try:
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rsync_daemon = subprocess.Popen(
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["rsync", "--daemon", "--no-detach", f"--config={rsyncd_conf}"],
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stdout=subprocess.DEVNULL, stderr=None
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)
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for _ in range(50):
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time.sleep(0.1)
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if rsync_daemon.poll() is not None:
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print(f" rsync daemon exited (rc={rsync_daemon.returncode})")
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raise RuntimeError("rsync daemon failed to start")
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try:
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with socket.create_connection(("127.0.0.1", rsync_port), timeout=0.3):
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break
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except (ConnectionRefusedError, OSError):
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continue
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else:
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print(f" timed out waiting for rsync daemon on port {rsync_port}")
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raise RuntimeError("rsync daemon did not start")
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for case in RSYNC_CASES:
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name = case["name"]
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rsync_args = case["args"]
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print(f"\n --- {name} ---")
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if os.path.exists(dest_dir):
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shutil.rmtree(dest_dir)
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try:
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rsync_cmd = (
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client_prefix
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+ ["rsync"]
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+ rsync_args
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+ [f"rsync://localhost:{rsync_port}/source/", f"{dest_dir}/"]
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)
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print(f" Running: {' '.join(rsync_cmd)}")
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start_time = time.monotonic()
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rsync_result = subprocess.run(
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rsync_cmd, capture_output=True, text=True, timeout=120
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)
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end_time = time.monotonic()
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duration = end_time - start_time
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mismatches, missing = [], []
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if rsync_result.returncode == 0:
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mismatches, missing = verify_transfer(source_dir, dest_dir)
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entry = {
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"name": name,
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"suite": profile_name,
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"time": f"{duration:.4f}s" if rsync_result.returncode == 0 else "N/A",
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}
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if rsync_result.returncode == 0 and not mismatches and not missing:
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entry["status"] = "Success"
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entry["error"] = ""
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else:
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entry["status"] = "Failed"
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errors = []
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if rsync_result.returncode != 0:
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errs = []
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for line in (rsync_result.stderr or "").split("\n"):
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line = line.strip()
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if not line:
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continue
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if line.startswith("Running as unit:"):
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continue
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errs.append(line)
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for line in (rsync_result.stdout or "").split("\n"):
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line = line.strip()
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if not line:
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continue
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errs.append(line)
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if not errs:
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errs.append("No output")
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err = " | ".join(errs[-3:])
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errors.append(f"Exit code {rsync_result.returncode}: {err[:200]}")
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# Retry without systemd-run to reveal the actual error
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if client_prefix:
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tmp_dest = tempfile.mkdtemp()
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try:
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plain = subprocess.run(
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["rsync", "-aH", f"rsync://localhost:{rsync_port}/source/", f"{tmp_dest}/"],
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capture_output=True, text=True, timeout=30
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)
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if plain.returncode != 0:
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plain_errs = [l for l in (plain.stderr or "").split("\n") if l.strip()]
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if plain_errs:
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errors.append(f"raw: {plain_errs[-1][:150]}")
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finally:
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shutil.rmtree(tmp_dest, ignore_errors=True)
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if missing:
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errors.append(f"Missing ({len(missing)}): {', '.join(missing[:5])}")
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if mismatches:
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errors.append(f"Mismatch ({len(mismatches)}): {', '.join(mismatches[:3])}")
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entry["error"] = " | ".join(errors)
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results.append(entry)
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except subprocess.TimeoutExpired:
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results.append(
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{"name": name, "suite": profile_name, "status": "Timeout", "time": "N/A", "error": "Exceeded 120s"}
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)
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except Exception as e:
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results.append(
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{"name": name, "suite": profile_name, "status": "Error", "time": "N/A", "error": str(e)}
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)
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finally:
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if rsync_daemon:
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try:
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rsync_daemon.wait(timeout=5)
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except subprocess.TimeoutExpired:
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rsync_daemon.kill()
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rsync_daemon.wait()
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try:
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os.unlink(rsyncd_conf)
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except Exception:
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pass
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except subprocess.CalledProcessError as e:
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print(f" Error running netem command: {' '.join(e.cmd)}")
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finally:
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if is_limited:
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try:
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netem_reset()
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except Exception:
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pass
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return results
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def parse_rate_to_bytes_per_sec(rate_str):
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m = re.match(r'(\d+)\s*(mbit|gbit|kbit|bit)', rate_str)
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if not m:
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return None
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val = int(m.group(1))
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unit = m.group(2)
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bits_per_sec = {
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'bit': val,
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'kbit': val * 1000,
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'mbit': val * 1_000_000,
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'gbit': val * 1_000_000_000,
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}.get(unit)
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return bits_per_sec / 8 if bits_per_sec is not None else None
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def format_throughput(bps):
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if bps >= 1_000_000_000:
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return f"{bps/1_000_000_000:.1f} GB/s"
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if bps >= 1_000_000:
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return f"{bps/1_000_000:.1f} MB/s"
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if bps >= 1_000:
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return f"{bps/1_000:.1f} KB/s"
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return f"{bps:.0f} B/s"
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def main():
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parser = argparse.ArgumentParser(description="FastSync integration test / benchmark")
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parser.add_argument("--source-dir", default=DEFAULT_SOURCE_DIR,
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help="Source directory for test files (default: %(default)s)")
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parser.add_argument("--dest-dir", default=DEFAULT_DEST_DIR,
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help="Destination directory for received files (default: %(default)s)")
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parser.add_argument("--keep-data", action="store_true",
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help="Keep test_data directory after run")
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parser.add_argument("--unlimited", action="store_true",
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help="Run Unlimited profile instead of LAN (no network limits)")
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parser.add_argument("--wan", action="store_true",
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help="Run WAN profile instead of LAN (100mbit, 50ms, 1% loss)")
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args = parser.parse_args()
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os.system("cmake -B build -S . > /dev/null 2>&1")
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ret = os.system("cd build && make -j$(nproc) 2>&1 | tail -3")
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if ret != 0:
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print("Build failed")
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sys.exit(1)
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total_bytes = generate_test_files(args.source_dir)
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if os.path.exists(args.dest_dir):
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shutil.rmtree(args.dest_dir)
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os.makedirs(args.dest_dir, exist_ok=True)
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profiles_to_run = []
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if args.unlimited:
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profiles_to_run.append("Unlimited")
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elif args.wan:
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profiles_to_run.append("WAN")
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else:
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profiles_to_run.append("LAN")
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try:
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all_results = []
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for profile in profiles_to_run:
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all_results.extend(
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run_profile(profile, args.source_dir, args.dest_dir)
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)
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print("\n" + "=" * 130)
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print(f"{'RESULTS':^130}")
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print("=" * 130)
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print(f"{'Configuration':<45} | {'Profile':<12} | {'Status':<8} | {'Time':<10} | {'Details'}")
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print("-" * 130)
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for res in all_results:
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print(
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f"{res['name']:<45} | {res['suite']:<12} | {res['status']:<8} | {res['time']:<10} | {res['error']}"
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)
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# --- Additional metrics per profile ---
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profiles_results = {}
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for res in all_results:
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profiles_results.setdefault(res["suite"], []).append(res)
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|
|
for profile_name, results in profiles_results.items():
|
|
params = NETWORK_PROFILES.get(profile_name)
|
|
if not params or "rate" not in params:
|
|
continue
|
|
|
|
client_times = []
|
|
rsync_times = {}
|
|
for r in results:
|
|
if r["status"] != "Success" or r["time"] == "N/A":
|
|
continue
|
|
t = float(r["time"].rstrip("s"))
|
|
if r["name"].startswith("rsync"):
|
|
rsync_times[r["name"]] = t
|
|
else:
|
|
client_times.append((t, r["name"]))
|
|
|
|
if not client_times or len(rsync_times) < 2:
|
|
continue
|
|
|
|
best_time, best_name = min(client_times, key=lambda x: x[0])
|
|
|
|
rate_Bps = parse_rate_to_bytes_per_sec(params["rate"])
|
|
theoretical_max_time = None
|
|
speedup_vs_theoretical = None
|
|
if rate_Bps is not None:
|
|
theoretical_max_time = total_bytes / rate_Bps
|
|
speedup_vs_theoretical = theoretical_max_time / best_time
|
|
|
|
print(f"\n {'─' * 90}")
|
|
print(f" Profile: {profile_name}")
|
|
print(f" {'─' * 90}")
|
|
print(f" Total data size: {total_bytes / (1024*1024):.1f} MB")
|
|
print(f" Network rate: {params['rate']} ({format_throughput(rate_Bps)})" if rate_Bps else "")
|
|
print(f" Best client configuration: {best_name}")
|
|
print(f" Best client time: {best_time:.4f}s")
|
|
if theoretical_max_time is not None:
|
|
print(f" Theoretical max (uncompressed): {theoretical_max_time:.4f}s")
|
|
print(f" Speedup vs theoretical max: {speedup_vs_theoretical:.2f}x")
|
|
|
|
rsync_archive = rsync_times.get("rsync (archive)")
|
|
rsync_compress = rsync_times.get("rsync (archive + compress)")
|
|
if rsync_archive:
|
|
print(f" Speedup vs rsync (archive): {rsync_archive / best_time:.2f}x")
|
|
if rsync_compress:
|
|
print(f" Speedup vs rsync (compress): {rsync_compress / best_time:.2f}x")
|
|
|
|
failed = [r for r in all_results if r["status"] != "Success"]
|
|
if failed:
|
|
print(f"\n {len(failed)} test(s) FAILED")
|
|
sys.exit(1)
|
|
else:
|
|
print(f"\n ALL {len(all_results)} TESTS PASSED")
|
|
|
|
finally:
|
|
if not args.keep_data:
|
|
shutil.rmtree(TEST_DIR, ignore_errors=True)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|