parallelize python hashing too
This commit is contained in:
ed
parent
7de9775dd9
commit
92ed4ba3f8
127
bin/up2k.py
127
bin/up2k.py
@ -3,7 +3,7 @@ from __future__ import print_function, unicode_literals
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"""
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up2k.py: upload to copyparty
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2022-08-08, v0.16, ed <irc.rizon.net>, MIT-Licensed
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2022-08-10, v0.17, ed <irc.rizon.net>, MIT-Licensed
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https://github.com/9001/copyparty/blob/hovudstraum/bin/up2k.py
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- dependencies: requests
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@ -22,12 +22,29 @@ import atexit
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import signal
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import base64
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import hashlib
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import argparse
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import platform
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import threading
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import datetime
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import requests
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try:
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import argparse
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except:
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m = "\n ERROR: need 'argparse'; download it here:\n https://github.com/ThomasWaldmann/argparse/raw/master/argparse.py\n"
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print(m)
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raise
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try:
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import requests
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except:
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if sys.version_info > (2, 7):
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m = "\n ERROR: need 'requests'; run this:\n python -m pip install --user requests\n"
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else:
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m = "requests/2.18.4 urllib3/1.23 chardet/3.0.4 certifi/2020.4.5.1 idna/2.7"
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m = [" https://pypi.org/project/" + x + "/#files" for x in m.split()]
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m = "\n ERROR: need these:\n" + "\n".join(m) + "\n"
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print(m)
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raise
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# from copyparty/__init__.py
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@ -126,6 +143,89 @@ class FileSlice(object):
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return ret
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class MTHash(object):
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def __init__(self, cores):
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self.f = None
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self.sz = 0
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self.csz = 0
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self.omutex = threading.Lock()
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self.imutex = threading.Lock()
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self.work_q = Queue()
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self.done_q = Queue()
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self.thrs = []
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for _ in range(cores):
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t = threading.Thread(target=self.worker)
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t.daemon = True
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t.start()
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self.thrs.append(t)
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def hash(self, f, fsz, chunksz, pcb=None, pcb_opaque=None):
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with self.omutex:
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self.f = f
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self.sz = fsz
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self.csz = chunksz
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chunks = {}
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nchunks = int(math.ceil(fsz / chunksz))
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for nch in range(nchunks):
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self.work_q.put(nch)
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ex = ""
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for nch in range(nchunks):
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qe = self.done_q.get()
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try:
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nch, dig, ofs, csz = qe
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chunks[nch] = [dig, ofs, csz]
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except:
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ex = ex or qe
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if pcb:
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pcb(pcb_opaque, chunksz * nch)
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if ex:
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raise Exception(ex)
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ret = []
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for n in range(nchunks):
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ret.append(chunks[n])
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self.f = None
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self.csz = 0
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self.sz = 0
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return ret
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def worker(self):
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while True:
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ofs = self.work_q.get()
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try:
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v = self.hash_at(ofs)
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except Exception as ex:
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v = str(ex)
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self.done_q.put(v)
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def hash_at(self, nch):
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f = self.f
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ofs = ofs0 = nch * self.csz
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hashobj = hashlib.sha512()
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chunk_sz = chunk_rem = min(self.csz, self.sz - ofs)
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while chunk_rem > 0:
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with self.imutex:
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f.seek(ofs)
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buf = f.read(min(chunk_rem, 1024 * 1024 * 12))
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if not buf:
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raise Exception("EOF at " + str(ofs))
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hashobj.update(buf)
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chunk_rem -= len(buf)
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ofs += len(buf)
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digest = hashobj.digest()[:33]
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digest = base64.urlsafe_b64encode(digest).decode("utf-8")
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return nch, digest, ofs0, chunk_sz
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_print = print
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@ -322,8 +422,8 @@ def up2k_chunksize(filesize):
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# mostly from copyparty/up2k.py
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def get_hashlist(file, pcb):
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# type: (File, any) -> None
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def get_hashlist(file, pcb, mth):
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# type: (File, any, any) -> None
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"""generates the up2k hashlist from file contents, inserts it into `file`"""
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chunk_sz = up2k_chunksize(file.size)
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@ -331,7 +431,12 @@ def get_hashlist(file, pcb):
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file_ofs = 0
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ret = []
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with open(file.abs, "rb", 512 * 1024) as f:
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if mth and file.size >= 1024 * 512:
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ret = mth.hash(f, file.size, chunk_sz, pcb, file)
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file_rem = 0
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while file_rem > 0:
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# same as `hash_at` except for `imutex` / bufsz
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hashobj = hashlib.sha512()
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chunk_sz = chunk_rem = min(chunk_sz, file_rem)
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while chunk_rem > 0:
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@ -399,7 +504,7 @@ def handshake(req_ses, url, file, pw, search):
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raise Exception(r.text)
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if search:
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return r["hits"]
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return r["hits"], False
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try:
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pre, url = url.split("://")
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@ -517,6 +622,8 @@ class Ctl(object):
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self.st_hash = [None, "(idle, starting...)"] # type: tuple[File, int]
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self.st_up = [None, "(idle, starting...)"] # type: tuple[File, int]
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self.mth = MTHash(ar.J) if ar.J > 1 else None
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self._fancy()
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def _safe(self):
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@ -527,7 +634,7 @@ class Ctl(object):
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upath = file.abs.decode("utf-8", "replace")
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print("{0} {1}\n hash...".format(self.nfiles - nf, upath))
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get_hashlist(file, None)
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get_hashlist(file, None, None)
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burl = self.ar.url[:12] + self.ar.url[8:].split("/")[0] + "/"
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while True:
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@ -680,7 +787,7 @@ class Ctl(object):
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time.sleep(0.05)
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get_hashlist(file, self.cb_hasher)
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get_hashlist(file, self.cb_hasher, self.mth)
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with self.mutex:
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self.hash_f += 1
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self.hash_c += len(file.cids)
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@ -809,6 +916,9 @@ def main():
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if not VT100:
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os.system("rem") # enables colors
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cores = os.cpu_count() if hasattr(os, "cpu_count") else 4
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hcores = min(cores, 3) # 4% faster than 4+ on py3.9 @ r5-4500U
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# fmt: off
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ap = app = argparse.ArgumentParser(formatter_class=APF, epilog="""
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NOTE:
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@ -824,6 +934,7 @@ source file/folder selection uses rsync syntax, meaning that:
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ap.add_argument("--ok", action="store_true", help="continue even if some local files are inaccessible")
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ap = app.add_argument_group("performance tweaks")
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ap.add_argument("-j", type=int, metavar="THREADS", default=4, help="parallel connections")
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ap.add_argument("-J", type=int, metavar="THREADS", default=hcores, help="num cpu-cores to use for hashing; set 0 or 1 for single-core hashing")
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ap.add_argument("-nh", action="store_true", help="disable hashing while uploading")
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ap.add_argument("--safe", action="store_true", help="use simple fallback approach")
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ap.add_argument("-z", action="store_true", help="ZOOMIN' (skip uploading files if they exist at the destination with the ~same last-modified timestamp, so same as yolo / turbo with date-chk but even faster)")
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@ -336,6 +336,7 @@ def run_argparse(argv: list[str], formatter: Any, retry: bool) -> argparse.Names
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fk_salt = "hunter2"
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cores = os.cpu_count() if hasattr(os, "cpu_count") else 4
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hcores = min(cores, 3) # 4% faster than 4+ on py3.9 @ r5-4500U
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sects = [
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[
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@ -611,6 +612,7 @@ def run_argparse(argv: list[str], formatter: Any, retry: bool) -> argparse.Names
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ap2.add_argument("--no-idx", metavar="PTN", type=u, help="regex: disable indexing of matching paths during e2ds folder scans")
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ap2.add_argument("--xdev", action="store_true", help="do not descend into other filesystems (symlink or bind-mount to another HDD, ...)")
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ap2.add_argument("--xvol", action="store_true", help="skip symlinks leaving the volume root")
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ap2.add_argument("--hash-mt", metavar="CORES", type=int, default=hcores, help="num cpu cores to use for file hashing; set 0 or 1 for single-core hashing")
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ap2.add_argument("--re-maxage", metavar="SEC", type=int, default=0, help="disk rescan volume interval, 0=off, can be set per-volume with the 'scan' volflag")
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ap2.add_argument("--db-act", metavar="SEC", type=float, default=10, help="defer any scheduled volume reindexing until SEC seconds after last db write (uploads, renames, ...)")
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ap2.add_argument("--srch-time", metavar="SEC", type=int, default=30, help="search deadline -- terminate searches running for more than SEC seconds")
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@ -28,6 +28,7 @@ from .mtag import MParser, MTag
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from .util import (
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HAVE_SQLITE3,
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SYMTIME,
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MTHash,
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Pebkac,
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ProgressPrinter,
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absreal,
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@ -155,6 +156,11 @@ class Up2k(object):
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self.fstab = Fstab(self.log_func)
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if self.args.hash_mt < 2:
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self.mth: Optional[MTHash] = None
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else:
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self.mth = MTHash(self.args.hash_mt)
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if self.args.no_fastboot:
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self.deferred_init()
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@ -841,7 +847,7 @@ class Up2k(object):
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self.pp.msg = "a{} {}".format(self.pp.n, abspath)
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if nohash:
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if nohash or not sz:
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wark = up2k_wark_from_metadata(self.salt, sz, lmod, rd, fn)
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else:
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if sz > 1024 * 1024:
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@ -1059,7 +1065,7 @@ class Up2k(object):
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sz2 = st.st_size
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mt2 = int(st.st_mtime)
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if nohash:
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if nohash or not sz2:
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w2 = up2k_wark_from_metadata(self.salt, sz2, mt2, rd, fn)
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else:
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if sz2 > 1024 * 1024 * 32:
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@ -2625,14 +2631,21 @@ class Up2k(object):
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fsz = bos.path.getsize(path)
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csz = up2k_chunksize(fsz)
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ret = []
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suffix = " MB, {}".format(path)
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with open(fsenc(path), "rb", 512 * 1024) as f:
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if self.mth and fsz >= 1024 * 512:
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tlt = self.mth.hash(f, fsz, csz, self.pp, prefix, suffix)
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ret = [x[0] for x in tlt]
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fsz = 0
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while fsz > 0:
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# same as `hash_at` except for `imutex` / bufsz
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if self.stop:
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return []
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if self.pp:
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mb = int(fsz / 1024 / 1024)
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self.pp.msg = "{}{} MB, {}".format(prefix, mb, path)
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self.pp.msg = prefix + str(mb) + suffix
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hashobj = hashlib.sha512()
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rem = min(csz, fsz)
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@ -2873,11 +2886,17 @@ class Up2k(object):
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abspath = os.path.join(ptop, rd, fn)
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self.log("hashing " + abspath)
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inf = bos.stat(abspath)
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hashes = self._hashlist_from_file(abspath)
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if not hashes:
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return
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if not inf.st_size:
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wark = up2k_wark_from_metadata(
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self.salt, inf.st_size, int(inf.st_mtime), rd, fn
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)
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else:
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hashes = self._hashlist_from_file(abspath)
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if not hashes:
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return
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wark = up2k_wark_from_hashlist(self.salt, inf.st_size, hashes)
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wark = up2k_wark_from_hashlist(self.salt, inf.st_size, hashes)
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with self.mutex:
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self.idx_wark(ptop, wark, rd, fn, inf.st_mtime, inf.st_size, ip, at)
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@ -2893,6 +2912,9 @@ class Up2k(object):
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def shutdown(self) -> None:
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self.stop = True
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if self.mth:
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self.mth.stop = True
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for x in list(self.spools):
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self._unspool(x)
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@ -4,6 +4,7 @@ from __future__ import print_function, unicode_literals
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import base64
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import contextlib
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import hashlib
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import math
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import mimetypes
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import os
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import platform
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@ -21,6 +22,8 @@ import traceback
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from collections import Counter
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from datetime import datetime
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from queue import Queue
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from .__init__ import ANYWIN, PY2, TYPE_CHECKING, VT100, WINDOWS
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from .__version__ import S_BUILD_DT, S_VERSION
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from .stolen import surrogateescape
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@ -494,6 +497,104 @@ class ProgressPrinter(threading.Thread):
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sys.stdout.flush() # necessary on win10 even w/ stderr btw
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class MTHash(object):
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def __init__(self, cores: int):
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self.pp: Optional[ProgressPrinter] = None
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self.f: Optional[typing.BinaryIO] = None
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self.sz = 0
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self.csz = 0
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self.stop = False
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self.omutex = threading.Lock()
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self.imutex = threading.Lock()
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self.work_q: Queue[int] = Queue()
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self.done_q: Queue[tuple[int, str, int, int]] = Queue()
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self.thrs = []
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for _ in range(cores):
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t = threading.Thread(target=self.worker)
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t.daemon = True
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t.start()
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self.thrs.append(t)
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def hash(
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self,
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f: typing.BinaryIO,
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fsz: int,
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chunksz: int,
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pp: Optional[ProgressPrinter] = None,
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prefix: str = "",
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suffix: str = "",
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) -> list[tuple[str, int, int]]:
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with self.omutex:
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self.f = f
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self.sz = fsz
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self.csz = chunksz
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chunks: dict[int, tuple[str, int, int]] = {}
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nchunks = int(math.ceil(fsz / chunksz))
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for nch in range(nchunks):
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self.work_q.put(nch)
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ex = ""
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for nch in range(nchunks):
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qe = self.done_q.get()
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try:
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nch, dig, ofs, csz = qe
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chunks[nch] = (dig, ofs, csz)
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except:
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ex = ex or str(qe)
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if pp:
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mb = int((fsz - nch * chunksz) / 1024 / 1024)
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pp.msg = prefix + str(mb) + suffix
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if ex:
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raise Exception(ex)
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ret = []
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for n in range(nchunks):
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ret.append(chunks[n])
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self.f = None
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self.csz = 0
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self.sz = 0
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return ret
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def worker(self) -> None:
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while True:
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ofs = self.work_q.get()
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try:
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v = self.hash_at(ofs)
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except Exception as ex:
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v = str(ex) # type: ignore
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self.done_q.put(v)
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def hash_at(self, nch: int) -> tuple[int, str, int, int]:
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f = self.f
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ofs = ofs0 = nch * self.csz
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chunk_sz = chunk_rem = min(self.csz, self.sz - ofs)
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if self.stop:
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return nch, "", ofs0, chunk_sz
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assert f
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hashobj = hashlib.sha512()
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while chunk_rem > 0:
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with self.imutex:
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f.seek(ofs)
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buf = f.read(min(chunk_rem, 1024 * 1024 * 12))
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if not buf:
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raise Exception("EOF at " + str(ofs))
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hashobj.update(buf)
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chunk_rem -= len(buf)
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ofs += len(buf)
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bdig = hashobj.digest()[:33]
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udig = base64.urlsafe_b64encode(bdig).decode("utf-8")
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return nch, udig, ofs0, chunk_sz
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def uprint(msg: str) -> None:
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try:
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print(msg, end="")
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