stream.py
75 lines
| 2.1 KiB
| text/x-python
|
PythonLexer
| r4632 | from __future__ import absolute_import, division, unicode_literals | |||
| import socket | ||||
| from .base import StatsClientBase, PipelineBase | ||||
| class StreamPipeline(PipelineBase): | ||||
| def _send(self): | ||||
| self._client._after('\n'.join(self._stats)) | ||||
| self._stats.clear() | ||||
| class StreamClientBase(StatsClientBase): | ||||
| def connect(self): | ||||
| raise NotImplementedError() | ||||
| def close(self): | ||||
| if self._sock and hasattr(self._sock, 'close'): | ||||
| self._sock.close() | ||||
| self._sock = None | ||||
| def reconnect(self): | ||||
| self.close() | ||||
| self.connect() | ||||
| def pipeline(self): | ||||
| return StreamPipeline(self) | ||||
| def _send(self, data): | ||||
| """Send data to statsd.""" | ||||
| if not self._sock: | ||||
| self.connect() | ||||
| self._do_send(data) | ||||
| def _do_send(self, data): | ||||
| self._sock.sendall(data.encode('ascii') + b'\n') | ||||
| class TCPStatsClient(StreamClientBase): | ||||
| """TCP version of StatsClient.""" | ||||
| def __init__(self, host='localhost', port=8125, prefix=None, | ||||
| timeout=None, ipv6=False): | ||||
| """Create a new client.""" | ||||
| self._host = host | ||||
| self._port = port | ||||
| self._ipv6 = ipv6 | ||||
| self._timeout = timeout | ||||
| self._prefix = prefix | ||||
| self._sock = None | ||||
| def connect(self): | ||||
| fam = socket.AF_INET6 if self._ipv6 else socket.AF_INET | ||||
| family, _, _, _, addr = socket.getaddrinfo( | ||||
| self._host, self._port, fam, socket.SOCK_STREAM)[0] | ||||
| self._sock = socket.socket(family, socket.SOCK_STREAM) | ||||
| self._sock.settimeout(self._timeout) | ||||
| self._sock.connect(addr) | ||||
| class UnixSocketStatsClient(StreamClientBase): | ||||
| """Unix domain socket version of StatsClient.""" | ||||
| def __init__(self, socket_path, prefix=None, timeout=None): | ||||
| """Create a new client.""" | ||||
| self._socket_path = socket_path | ||||
| self._timeout = timeout | ||||
| self._prefix = prefix | ||||
| self._sock = None | ||||
| def connect(self): | ||||
| self._sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) | ||||
| self._sock.settimeout(self._timeout) | ||||
| self._sock.connect(self._socket_path) | ||||
