diff options
Diffstat (limited to 'Lib/socket.py')
| -rw-r--r-- | Lib/socket.py | 154 |
1 files changed, 88 insertions, 66 deletions
diff --git a/Lib/socket.py b/Lib/socket.py index 6c39d76..833a456 100644 --- a/Lib/socket.py +++ b/Lib/socket.py @@ -210,9 +210,8 @@ class _fileobject(object): else: self._rbufsize = bufsize self._wbufsize = bufsize - # The buffers are lists of non-empty strings - self._rbuf = [] - self._wbuf = [] + self._rbuf = "" # A string + self._wbuf = [] # A list of strings def _getclosed(self): return self._sock is not None @@ -261,90 +260,113 @@ class _fileobject(object): buf_len += len(x) return buf_len - def _get_rbuf_len(self): - buf_len = 0 - for x in self._rbuf: - buf_len += len(x) - return buf_len - def read(self, size=-1): + data = self._rbuf if size < 0: # Read until EOF + buffers = [] + if data: + buffers.append(data) + self._rbuf = "" if self._rbufsize <= 1: recv_size = self.default_bufsize else: recv_size = self._rbufsize - while 1: + while True: data = self._sock.recv(recv_size) if not data: break - self._rbuf.append(data) + buffers.append(data) + return "".join(buffers) else: - buf_len = self._get_rbuf_len() - while buf_len < size: - recv_size = max(self._rbufsize, size - buf_len) + # Read until size bytes or EOF seen, whichever comes first + buf_len = len(data) + if buf_len >= size: + self._rbuf = data[size:] + return data[:size] + buffers = [] + if data: + buffers.append(data) + self._rbuf = "" + while True: + left = size - buf_len + recv_size = max(self._rbufsize, left) data = self._sock.recv(recv_size) if not data: break - buf_len += len(data) - self._rbuf.append(data) - data = "".join(self._rbuf) - self._rbuf = [] - if 0 <= size < buf_len: - self._rbuf.append(data[size:]) - data = data[:size] - return data + buffers.append(data) + n = len(data) + if n >= left: + self._rbuf = data[left:] + buffers[-1] = data[:left] + break + buf_len += n + return "".join(buffers) def readline(self, size=-1): - data_len = 0 - for index, x in enumerate(self._rbuf): - data_len += len(x) - if '\n' in x or 0 <= size <= data_len: - index += 1 - data = "".join(self._rbuf[:index]) - end = data.find('\n') - if end < 0: - end = len(data) - else: - end += 1 - if 0 <= size < end: - end = size - data, rest = data[:end], data[end:] - if rest: - self._rbuf[:index] = [rest] - else: - del self._rbuf[:index] - return data - recv_size = self._rbufsize - while 1: - if size >= 0: - recv_size = min(self._rbufsize, size - data_len) - x = self._sock.recv(recv_size) - if not x: - break - data_len += len(x) - self._rbuf.append(x) - if '\n' in x or 0 <= size <= data_len: - break - data = "".join(self._rbuf) - end = data.find('\n') - if end < 0: - end = len(data) - else: - end += 1 - if 0 <= size < end: - end = size - data, rest = data[:end], data[end:] - if rest: - self._rbuf = [rest] + data = self._rbuf + if size < 0: + # Read until \n or EOF, whichever comes first + nl = data.find('\n') + if nl >= 0: + nl += 1 + self._rbuf = data[nl:] + return data[:nl] + buffers = [] + if data: + buffers.append(data) + self._rbuf = "" + while True: + data = self._sock.recv(self._rbufsize) + if not data: + break + buffers.append(data) + nl = data.find('\n') + if nl >= 0: + nl += 1 + self._rbuf = data[nl:] + buffers[-1] = data[:nl] + break + return "".join(buffers) else: - self._rbuf = [] - return data + # Read until size bytes or \n or EOF seen, whichever comes first + nl = data.find('\n', 0, size) + if nl >= 0: + nl += 1 + self._rbuf = data[nl:] + return data[:nl] + buf_len = len(data) + if buf_len >= size: + self._rbuf = data[size:] + return data[:size] + buffers = [] + if data: + buffers.append(data) + self._rbuf = "" + while True: + data = self._sock.recv(self._rbufsize) + if not data: + break + buffers.append(data) + left = size - buf_len + nl = data.find('\n', 0, left) + if nl >= 0: + nl += 1 + self._rbuf = data[nl:] + buffers[-1] = data[:nl] + break + n = len(data) + if n >= left: + self._rbuf = data[left:] + buffers[-1] = data[:left] + break + buf_len += n + return "".join(buffers) def readlines(self, sizehint=0): total = 0 list = [] - while 1: + while True: line = self.readline() if not line: break |