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56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright 2008,2009 Benoit Chesneau <benoitc@e-engura.org>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at#
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from errno import EALREADY, EINPROGRESS, EWOULDBLOCK, ECONNRESET, \
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ENOTCONN, ESHUTDOWN, EINTR, EISCONN, EBADF, ECONNABORTED, errorcode
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import socket
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class IOStream(object):
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chunk_size = 4096
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def __init__(self, sock):
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self.sock = sock
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self.buf = ""
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def recv(self, buffer_size):
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data = self.sock.recv(buffer_size)
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if not data:
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# we should handle close here
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return ''
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return data
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def send(self, data):
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return self.sock.send(data)
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def read_until(self, delimiter):
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while True:
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try:
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data = self.recv(self.chunk_size)
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except socket.error, e:
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return
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self.buf = self.buf + data
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lb = len(self.buf)
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ld = len(delimiter)
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i = self.buf.find(delimiter)
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if i != -1:
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if i > 0:
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r = self.buf[:i]
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self.buf = self.buf[i+ ld:]
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return r
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