Compare commits
2 Commits
424e1a37f8
...
c8bf635551
Author | SHA1 | Date | |
---|---|---|---|
c8bf635551 | |||
98ea1dc7de |
@ -42,9 +42,32 @@ my %text_utf8 = map { $_ => 1 } qw(
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# map extension to hash which maps types to the type they should be replaced with
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my %manual_conflicts_resolve = (
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'.asn' => {
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'chemical/x-ncbi-asn1-spec' => 'application/octet-stream',
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'chemical/x-ncbi-asn1' => 'application/octet-stream',
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},
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'.otf' => {
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'application/font-sfnt' => 'font/otf',
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'font/sfnt' => 'font/otf',
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'font/ttf' => 'font/otf',
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},
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'.pcx' => {
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'image/vnd.zbrush.pcx' => 'image/pcx',
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},
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'.png' => {
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'image/vnd.mozilla.apng' => 'image/png',
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},
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'.ra' => {
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'audio/x-pn-realaudio' => 'audio/x-realaudio',
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},
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'.ttf' => {
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'application/font-sfnt' => 'font/ttf',
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'font/sfnt' => 'font/ttf',
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'font/otf' => 'font/ttf',
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},
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'.woff' => {
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'application/font-woff' => 'font/woff',
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},
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);
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open MIMETYPES, "/etc/mime.types" or die "Can't open mime.types: $!";
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File diff suppressed because it is too large
Load Diff
@ -1,62 +1,65 @@
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#!/usr/bin/env python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import asyncore
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import asyncio
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import socket
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import time
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import random
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import traceback
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import typing
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class MemcacheEntry:
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def __init__(self, flags, exptime, data, cas):
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self.flags = flags
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self.data = data
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self.cas = cas
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self.setExptime(exptime)
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def __init__(self, flags: bytes, exptime: bytes, data: bytes, cas: bytes):
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self.flags: int = self._flags(flags)
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self.data: bytes = data
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self.cas: bytes = cas
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self.expire: typing.Optional[float] = self._ttl(exptime)
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def _ttl(self, str):
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v = int(str)
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if v < 0: raise ValueError('exptime not an unsigned integer')
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if v > 0 and v < 365*24*3600: v += time.time()
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@staticmethod
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def _flags(flags: bytes) -> int:
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v = int(flags)
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if v < 0 or v >= 2**32: raise ValueError('flags not an unsigned 32-bit integer')
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return v
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def setExptime(self, exptime):
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exptime = self._ttl(exptime)
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if exptime > 0:
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self.expire = exptime
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@staticmethod
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def _ttl(value: bytes) -> typing.Optional[float]:
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v = int(value)
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if v < 0: raise ValueError('exptime not an unsigned integer')
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if v > 0 and v < 365*24*3600:
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return v + time.time()
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else:
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self.expire = None
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return None
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def flush(self, exptime):
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exptime = self._ttl(exptime)
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if self.expire == None or self.expire > expire:
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self.expire = expire
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def setExptime(self, exptime: bytes):
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self.expire = self._ttl(exptime)
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def flush(self, exptime: float):
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# make sure entry expires at `exptime` (or before)
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if self.expire is None or self.expire > exptime:
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self.expire = exptime
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def expired(self):
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if self.expire != None: return self.expire < time.time()
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return False
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return self.expire != None and self.expire < time.time()
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class MemcacheDB:
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def __init__(self):
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self.d = dict()
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self.cas = random.randint(0, 2**64-1)
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self._cas = random.randint(0, 2**64-1)
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def _uint64value(self, str):
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@staticmethod
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def _uint64value(str):
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v = int(str)
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if v < 0 or v >= 2**64: raise ValueError('not an unsigned 64-bit integer')
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return v
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def _flags(self, str):
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v = int(str)
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if v < 0 or v >= 2**32: raise ValueError('flags not an unsigned 32-bit integer')
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return v
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def _next_cas(self) -> bytes:
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cas = self._cas
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self._cas = (cas + 1) % 2**64
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return b'%d' % cas
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def _next_cas(self):
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cas = self.cas
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self.cas = (self.cas + 1) % 2**64
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return cas
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def get(self, key):
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def get(self, key: bytes):
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if not key in self.d: return None
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entry = self.d[key]
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if entry.expired():
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@ -64,152 +67,156 @@ class MemcacheDB:
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return None
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return entry
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def set(self, key, flags, exptime, data):
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def set(self, key: bytes, flags: bytes, exptime: bytes, data: bytes):
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self.d[key] = MemcacheEntry(flags, exptime, data, self._next_cas())
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return "STORED"
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return b"STORED"
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def add(self, key, flags, exptime, data):
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if None != self.get(key): return "NOT_STORED"
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def add(self, key: bytes, flags: bytes, exptime: bytes, data: bytes):
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if None != self.get(key): return b"NOT_STORED"
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self.d[key] = MemcacheEntry(flags, exptime, data, self._next_cas())
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return "STORED"
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return b"STORED"
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def replace(self, key, flags, exptime, data):
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if None == self.get(key): return "NOT_STORED"
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def replace(self, key: bytes, flags: bytes, exptime: bytes, data: bytes):
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if None == self.get(key): return b"NOT_STORED"
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self.d[key] = MemcacheEntry(flags, exptime, data, self._next_cas())
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return "STORED"
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return b"STORED"
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def append(self, key, data):
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def append(self, key: bytes, data: bytes):
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entry = self.get(key)
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if None == entry: return "NOT_FOUND"
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if None == entry: return b"NOT_FOUND"
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entry.data += data
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entry.cas = _next_cas()
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return "STORED"
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entry.cas = self._next_cas()
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return b"STORED"
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def prepend(self, key, data):
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def prepend(self, key: bytes, data: bytes):
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entry = self.get(key)
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if None == entry: return "NOT_FOUND"
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if None == entry: return b"NOT_FOUND"
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entry.data = data + entry.data
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entry.cas = _next_cas()
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return "STORED"
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entry.cas = self._next_cas()
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return b"STORED"
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def cas(self, key, flags, exptime, cas, data):
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def cas(self, key: bytes, flags: bytes, exptime: bytes, cas: bytes, data: bytes):
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entry = self.get(key)
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if None == entry: return "NOT_FOUND"
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if entry.cas != cas: return "EXISTS"
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if None == entry: return b"NOT_FOUND"
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if entry.cas != cas: return b"EXISTS"
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self.d[key] = MemcacheEntry(flags, exptime, data, self._next_cas())
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return "STORED"
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return b"STORED"
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def delete(self, key):
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def delete(self, key: bytes):
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entry = self.get(key)
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if None == entry: return "NOT_FOUND"
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if None == entry: return b"NOT_FOUND"
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self.d.pop(key)
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return "DELETED"
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return b"DELETED"
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def incr(self, key, value):
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def incr(self, key: bytes, value: bytes):
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try:
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value = _uint64value(value)
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value = self._uint64value(value)
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except ValueError as e:
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return "CLIENT_ERROR " + str(e)
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return b"CLIENT_ERROR %s" % str(e).encode('utf-8')
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entry = self.get(key)
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if None == entry: return "NOT_FOUND"
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if None == entry: return b"NOT_FOUND"
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try:
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v = _uint64value(entry.data)
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v = self._uint64value(entry.data)
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v = (v + value) % 2**64
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entry.data = str(v)
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entry.cas = _next_cas()
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entry.cas = self._next_cas()
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except ValueError as e:
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return "SERVER_ERROR " + str(e)
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return b"SERVER_ERROR %s" % str(e).encode('utf-8')
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return entry.data
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def decr(self, key, value):
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def decr(self, key: bytes, value: bytes):
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try:
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value = _uint64value(value)
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value = self._uint64value(value)
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except ValueError as e:
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return "CLIENT_ERROR " + str(e)
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return b"CLIENT_ERROR %s" % str(e).encode('utf-8')
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entry = self.get(key)
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if None == entry: return "NOT_FOUND"
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if None == entry: return b"NOT_FOUND"
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try:
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v = _uint64value(entry.data)
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v = self._uint64value(entry.data)
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v = v - value
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if v < 0: v = 0
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entry.data = str(v)
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entry.cas = _next_cas()
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entry.cas = self._next_cas()
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except ValueError as e:
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return "SERVER_ERROR " + str(e)
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return b"SERVER_ERROR %s" % str(e).encode('utf-8')
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return entry.data
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def touch(self, key, exptime):
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def touch(self, key: bytes, exptime: bytes):
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entry = self.get(key)
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if None == entry: return "NOT_FOUND"
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if None == entry: return b"NOT_FOUND"
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entry.setExptime(exptime)
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return "TOUCHED"
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return b"TOUCHED"
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def stats(self):
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return []
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def flush_all(self, exptime = None):
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if exptime == None:
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def flush_all(self, exptime: typing.Optional[bytes] = None):
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if exptime is None:
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self.d = dict()
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else:
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for key in self.d.keys:
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expire_at = MemcacheEntry._ttl(exptime) or time.time()
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for key in self.d.keys():
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entry = self.get(key)
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if entry != None: entry.flush(exptime)
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return "OK"
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if entry != None: entry.flush(expire_at)
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return b"OK"
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def version(self):
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return "VERSION python memcached stub 0.1"
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return b"VERSION python memcached stub 0.1"
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def verbosity(self, level):
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return "OK"
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def verbosity(self, level: bytes):
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return b"OK"
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class MemcachedHandler(asyncore.dispatcher_with_send):
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def __init__(self, sock, db):
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asyncore.dispatcher_with_send.__init__(self, sock)
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class MemcachedHandler:
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def __init__(self, *, reader: asyncio.StreamReader, writer: asyncio.StreamWriter, db: MemcacheDB):
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self.reader = reader
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self.writer = writer
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self.db = db
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self.data = ''
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self.data = b''
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self.want_binary = None
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self.closed = False
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def _server_error(self, msg):
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self.send('SERVER_ERROR ' + msg + '\r\n')
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self.data = ''
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self.close()
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def _server_error(self, msg: str):
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self.writer.write(b'SERVER_ERROR %s\r\n' % msg.encode('utf-8'))
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self.data = b''
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self.closed = True
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def _client_error(self, msg):
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self.send('CLIENT_ERROR ' + msg + '\r\n')
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self.data = ''
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self.close()
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def _client_error(self, msg: str):
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self.writer.write(b'CLIENT_ERROR %s\r\n' % msg.encode('utf-8'))
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self.data = b''
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self.closed = True
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def _error(self, msg):
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self.send('ERROR\r\n')
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self.data = ''
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self.close()
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def _error(self):
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self.writer.write(b'ERROR\r\n')
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self.data = b''
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self.closed = True
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def _handle_binary(self, b):
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args = self.args + [b]
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args = self.args
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cmd = self.cmd
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noreply = self.noreply
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self.cmd = self.args = self.noreply = None
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r = getattr(self.db, cmd).__call__(*args)
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if not noreply: self.send('%s\r\n' % r)
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r = (getattr(self.db, cmd))(*args, b)
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if not noreply: self.writer.write(b'%s\r\n' % r)
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def _handle_line(self, line):
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args = line.split()
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if len(args) == 0: return _client_error("empty command")
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cmd = args[0]
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if len(args) == 0: return self._client_error("empty command")
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cmd = args[0].decode('ascii')
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args = args[1:]
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noreply = False
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if args[-1] == "noreply":
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if args[-1] == b"noreply":
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args.pop()
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noreply = True
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if cmd in ['set', 'add', 'replace', 'append', 'prepend']:
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if len(args) != 4: return _client_error("wrong number %i of arguments for command" % 4)
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if len(args) != 4: return self._client_error("wrong number %i of arguments for command" % 4)
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self.want_binary = int(args[3])
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if self.want_binary < 0: return _client_error("negative bytes length")
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if self.want_binary < 0: return self._client_error("negative bytes length")
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self.args = args[:3]
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self.cmd = cmd
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self.noreply = noreply
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elif cmd == 'cas':
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if len(args) != 5: return _client_error("wrong number %i of arguments for command" % 5)
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if len(args) != 5: return self._client_error("wrong number %i of arguments for command" % 5)
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self.want_binary = args[3]
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args = args[:3] + args[4:]
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self.cmd = cmd
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@ -218,21 +225,21 @@ class MemcachedHandler(asyncore.dispatcher_with_send):
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for key in args:
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entry = self.db.get(key)
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if entry != None:
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self.send('VALUE %s %s %s\r\n%s\r\n' % (key, entry.flags, len(entry.data), entry.data))
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self.send('END\r\n')
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self.writer.write(b'VALUE %s %d %d\r\n%s\r\n' % (key, entry.flags, len(entry.data), entry.data))
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self.writer.write(b'END\r\n')
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elif cmd == 'gets':
|
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for key in args:
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entry = self.db.get(key)
|
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if entry != None:
|
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self.send('VALUE %s %s %s %s\r\n%s\r\n' % (key, entry.flags, len(entry.data), entry.cas, entry.data))
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self.send('END\r\n')
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self.writer.write(b'VALUE %s %d %d %d\r\n%s\r\n' % (key, entry.flags, len(entry.data), entry.cas, entry.data))
|
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self.writer.write(b'END\r\n')
|
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elif cmd == 'stats':
|
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for (name, value) in self.db.stats():
|
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self.send('STAT ' + name + ' ' + value + '\r\n')
|
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self.send('END\r\n')
|
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self.writer.write(b'STAT %s %s\r\n' % (name, value))
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self.writer.write(b'END\r\n')
|
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elif cmd in ['delete', 'incr', 'decr', 'touch', 'flush_all', 'version', 'verbosity']:
|
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r = getattr(self.db, cmd).__call__(*args)
|
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if not noreply: self.send(r + '\r\n')
|
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r = (getattr(self.db, cmd))(*args)
|
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if not noreply: self.writer.write(r + b'\r\n')
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else:
|
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return self._error()
|
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|
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@ -241,49 +248,64 @@ class MemcachedHandler(asyncore.dispatcher_with_send):
|
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if self.want_binary != None:
|
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if len(self.data) >= self.want_binary + 2:
|
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b = self.data[:self.want_binary]
|
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if self.data[self.want_binary:self.want_binary+2] != '\r\n':
|
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return self._parse_error("wrong termination of binary data")
|
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if self.data[self.want_binary:self.want_binary+2] != b'\r\n':
|
||||
return self._client_error("wrong termination of binary data")
|
||||
self.data = self.data[self.want_binary+2:]
|
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self._handle_binary(b)
|
||||
else:
|
||||
return # wait for more data
|
||||
else:
|
||||
pos = self.data.find('\r\n')
|
||||
pos = self.data.find(b'\r\n')
|
||||
if pos < 0:
|
||||
if len(self.data) > 512:
|
||||
return self._parse_error("command too long")
|
||||
return self._client_error("command too long")
|
||||
return # wait for more data
|
||||
l = self.data[:pos]
|
||||
self.data = self.data[pos+2:]
|
||||
self._handle_line(l)
|
||||
|
||||
def handle_read(self):
|
||||
self.data += self.recv(8192)
|
||||
async def handle(self):
|
||||
while not self.closed:
|
||||
await self.writer.drain()
|
||||
next_buf = await self.reader.read(8192)
|
||||
if len(next_buf) == 0:
|
||||
# received EOF, close immediately.
|
||||
self.writer.close()
|
||||
return
|
||||
self.data += next_buf
|
||||
try:
|
||||
self._handle_data()
|
||||
except TypeError as e:
|
||||
self._client_error("wrong number of arguments for command: %s" % e)
|
||||
print traceback.format_exc()
|
||||
print(traceback.format_exc())
|
||||
# close
|
||||
await self.writer.drain()
|
||||
self.writer.close()
|
||||
await self.writer.wait_closed()
|
||||
|
||||
|
||||
class MemcachedServer(asyncore.dispatcher):
|
||||
async def main():
|
||||
sock = socket.socket(fileno=0)
|
||||
if sock.type == socket.AF_UNIX:
|
||||
start_server = asyncio.start_unix_server
|
||||
else:
|
||||
start_server = asyncio.start_server
|
||||
db = MemcacheDB()
|
||||
|
||||
def __init__(self, sock):
|
||||
asyncore.dispatcher.__init__(self)
|
||||
sock.setblocking(0)
|
||||
self.set_socket(sock)
|
||||
self.accepting = True
|
||||
self.db = MemcacheDB()
|
||||
async def handle_memcache_client(reader, writer):
|
||||
print(f"Memcached: Incoming connection", flush=True)
|
||||
await MemcachedHandler(reader=reader, writer=writer, db=db).handle()
|
||||
|
||||
server = await start_server(handle_memcache_client, sock=sock, start_serving=False)
|
||||
|
||||
addr = server.sockets[0].getsockname()
|
||||
print(f'Serving on {addr}', flush=True)
|
||||
|
||||
async with server:
|
||||
await server.serve_forever()
|
||||
|
||||
def handle_accept(self):
|
||||
pair = self.accept()
|
||||
if pair is not None:
|
||||
sock, addr = pair
|
||||
print 'Memcached: Incoming connection'
|
||||
handler = MemcachedHandler(sock, self.db)
|
||||
|
||||
server = MemcachedServer(socket.fromfd(0, socket.AF_UNIX, socket.SOCK_STREAM))
|
||||
try:
|
||||
asyncore.loop()
|
||||
asyncio.run(main())
|
||||
except KeyboardInterrupt:
|
||||
pass
|
||||
|
@ -1,65 +1,76 @@
|
||||
#!/usr/bin/env python
|
||||
#!/usr/bin/env python3
|
||||
# -*- coding: utf-8 -*-
|
||||
|
||||
import asyncio
|
||||
import dataclasses
|
||||
import socket
|
||||
import traceback
|
||||
import typing
|
||||
|
||||
servsocket = socket.fromfd(0, socket.AF_UNIX, socket.SOCK_STREAM)
|
||||
|
||||
def parsereq(data):
|
||||
a = data.split(':', 1)
|
||||
if len(a) != 2: return False
|
||||
hlen, rem = a
|
||||
hlen = int(hlen)
|
||||
if hlen < 16: raise Exception("invalid request")
|
||||
if len(rem) < hlen + 1: return False
|
||||
if rem[hlen] != ',' or rem[hlen-1] != '\0': raise Exception("invalid request")
|
||||
header = rem[:hlen-1]
|
||||
body = rem[hlen+1:]
|
||||
header = header.split('\0')
|
||||
if len(header) < 4: raise Exception("invalid request: not enough header entries")
|
||||
if header[0] != "CONTENT_LENGTH": raise Exception("invalid request: missing CONTENT_LENGTH")
|
||||
clen = int(header[1])
|
||||
if len(body) < clen: return False
|
||||
env = dict()
|
||||
while len(header) > 0:
|
||||
if len(header) == 1: raise Exception("invalid request: missing value for key")
|
||||
key, value = header[0:2]
|
||||
header = header[2:]
|
||||
if '' == key: raise Exception("invalid request: empty key")
|
||||
if key in env: raise Exception("invalid request: duplicate key")
|
||||
env[key] = value
|
||||
if not 'SCGI' in env or env['SCGI'] != '1':
|
||||
raise Exception("invalid request: missing/broken SCGI=1 header")
|
||||
return {'env': env, 'body': body}
|
||||
@dataclasses.dataclass
|
||||
class ScgiRequest:
|
||||
headers: typing.Dict[bytes, bytes]
|
||||
body: bytes
|
||||
|
||||
|
||||
async def parse_scgi_request(reader: asyncio.StreamReader) -> ScgiRequest:
|
||||
hlen = int((await reader.readuntil(b':'))[:-1])
|
||||
header_raw = await reader.readexactly(hlen + 1)
|
||||
assert len(header_raw) >= 16, "invalid request: too short (< 16)"
|
||||
assert header_raw[-2:] == b'\0,', f"Invalid request: missing header/netstring terminator '\\x00,', got {header_raw[-2:]!r}"
|
||||
header_list = header_raw[:-2].split(b'\0')
|
||||
assert len(header_list) % 2 == 0, f"Invalid request: odd numbers of header entries (must be pairs), got {len(header_list)}"
|
||||
assert header_list[0] == b'CONTENT_LENGTH', f"Invalid request: first header entry must be 'CONTENT_LENGTH', got {header_list[0]!r}"
|
||||
clen = int(header_list[1])
|
||||
headers = {}
|
||||
i = 0
|
||||
while i < len(header_list):
|
||||
key = header_list[i]
|
||||
value = header_list[i+1]
|
||||
i += 2
|
||||
assert not key in headers, f"Invalid request: duplicate header key {key!r}"
|
||||
headers[key] = value
|
||||
assert headers.get(b'SCGI') == b'1', "Invalid request: missing SCGI=1 header"
|
||||
body = await reader.readexactly(clen)
|
||||
return ScgiRequest(headers=headers, body=body)
|
||||
|
||||
|
||||
async def handle_scgi(reader: asyncio.StreamReader, writer: asyncio.StreamWriter):
|
||||
print(f"scgi-envcheck: Incoming connection", flush=True)
|
||||
try:
|
||||
while 1:
|
||||
conn, addr = servsocket.accept()
|
||||
result_status = 200
|
||||
result = ''
|
||||
try:
|
||||
print 'Accepted connection'
|
||||
data = ''
|
||||
header = False
|
||||
while not header:
|
||||
newdata = conn.recv(1024)
|
||||
if len(newdata) == 0: raise Exception("invalid request: unexpected EOF")
|
||||
data += newdata
|
||||
header = parsereq(data)
|
||||
envvar = header['env']['QUERY_STRING']
|
||||
result = header['env'][envvar]
|
||||
req = await parse_scgi_request(reader)
|
||||
envvar = req.headers[b'QUERY_STRING']
|
||||
result = req.headers[envvar]
|
||||
except KeyboardInterrupt:
|
||||
raise
|
||||
except Exception as e:
|
||||
print traceback.format_exc()
|
||||
result_status = 500
|
||||
result = str(e)
|
||||
print(traceback.format_exc())
|
||||
writer.write(b"Status: 500\r\nContent-Type: text/plain\r\n\r\n" + str(e).encode('utf-8'))
|
||||
else:
|
||||
writer.write(b"Status: 200\r\nContent-Type: text/plain\r\n\r\n" + result)
|
||||
await writer.drain()
|
||||
writer.close()
|
||||
await writer.wait_closed()
|
||||
|
||||
|
||||
async def main():
|
||||
sock = socket.socket(fileno=0)
|
||||
if sock.type == socket.AF_UNIX:
|
||||
start_server = asyncio.start_unix_server
|
||||
else:
|
||||
start_server = asyncio.start_server
|
||||
|
||||
server = await start_server(handle_scgi, sock=sock, start_serving=False)
|
||||
|
||||
addr = server.sockets[0].getsockname()
|
||||
print(f'Serving on {addr}', flush=True)
|
||||
|
||||
async with server:
|
||||
await server.serve_forever()
|
||||
|
||||
|
||||
try:
|
||||
conn.sendall("Status: " + str(result_status) + "\r\nContent-Type: text/plain\r\n\r\n")
|
||||
conn.sendall(result)
|
||||
conn.close()
|
||||
except:
|
||||
print traceback.format_exc()
|
||||
asyncio.run(main())
|
||||
except KeyboardInterrupt:
|
||||
pass
|
||||
|
Loading…
Reference in New Issue
Block a user