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another fuse cache fix

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ed 2020-08-09 00:51:48 +00:00
parent 5c8855aafd
commit e559a7c878
1 changed files with 20 additions and 10 deletions
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30
bin/copyparty-fuse.py
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@ -194,7 +194,11 @@ class Gateway(object):
def download_file_range(self, path, ofs1, ofs2):
web_path = self.quotep("/" + "/".join([self.web_root, path])) + "?raw"
hdr_range = "bytes={}-{}".format(ofs1, ofs2 - 1)
log("downloading {:4.0f}K, {}".format((ofs2 - ofs1) / 1024.0, hdr_range))
info(
"DL {:4.0f}K\033[36m{:>9}-{:<9}\033[0m{}".format(
(ofs2 - ofs1) / 1024.0, ofs1, ofs2 - 1, path
)
)
r = self.sendreq("GET", web_path, headers={"Range": hdr_range})
if r.status != http.client.PARTIAL_CONTENT:
@ -366,6 +370,12 @@ class CPPF(Operations):
cache2 = cache1 + len(cn.data)
if get2 <= cache1 or get1 >= cache2:
# request does not overlap with cached area at all
continue
if get1 < cache1 and get2 > cache2:
# cached area does overlap, but must specifically contain
# either the first or last byte in the requested range
continue
if get1 >= cache1 and get2 <= cache2:
@ -566,7 +576,7 @@ class CPPF(Operations):
log("cache ok")
dents = cn.data
else:
log("cache miss")
dbg("cache miss")
dents = self._readdir(dirpath)
for cache_name, cache_stat, _ in dents:
@ -574,7 +584,7 @@ class CPPF(Operations):
# dbg("=" + repr(cache_stat))
return cache_stat
log("=404 ({})".format(path))
info("=ENOENT ({})".format(path))
raise FuseOSError(errno.ENOENT)
access = None
@ -644,24 +654,24 @@ class CPPF(Operations):
raise FuseOSError(errno.ENOENT)
def open(self, path, flags):
log("open [{}] [{}]".format(path, flags))
dbg("open [{}] [{}]".format(path, flags))
return self._open(path)
def opendir(self, path):
log("opendir [{}]".format(path))
dbg("opendir [{}]".format(path))
return self._open(path)
def flush(self, path, fh):
log("flush [{}] [{}]".format(path, fh))
dbg("flush [{}] [{}]".format(path, fh))
def release(self, ino, fi):
log("release [{}] [{}]".format(ino, fi))
dbg("release [{}] [{}]".format(ino, fi))
def releasedir(self, ino, fi):
log("releasedir [{}] [{}]".format(ino, fi))
dbg("releasedir [{}] [{}]".format(ino, fi))
def access(self, path, mode):
log("access [{}] [{}]".format(path, mode))
dbg("access [{}] [{}]".format(path, mode))
try:
x = self.getattr(path)
if x["st_mode"] <= 0:
@ -673,7 +683,7 @@ class CPPF(Operations):
def main():
try:
local, remote = sys.argv[1:3]
filecache = 7 if len(sys.argv) <= 3 else int(sys.argv[3])
filecache = 16 if len(sys.argv) <= 3 else int(sys.argv[3])
dircache = 1 if len(sys.argv) <= 4 else float(sys.argv[4])
except:
where = "local directory"