def _handle_events(self, fd, events):
while True:
try:
connection, address = self._socket.accept() # socket 处理
except socket.error, e:
if e[0] in (errno.EWOULDBLOCK, errno.EAGAIN):
return
raise
# SSL 处理
if self.ssl_options is not None:
assert ssl, "Python 2.6+ and OpenSSL required for SSL"
connection = ssl.wrap_socket(connection,
server_side=True,
**self.ssl_options)
try:
stream = iostream.IOStream(connection,
io_loop=self.io_loop) # 关键调用
# 关键调用: HTTPConnection() 类, 本模块中定义
#
#
HTTPConnection(stream, address, self.request_callback,
self.no_keep_alive, self.xheaders)
except:
logging.error("Error in connection callback", exc_info=True)
def __init__(self,
sock,
data_callback,
control_callback=None,
close_callback=None,
io_loop=None,
name=None):
"""Initiate the network channel for socket server to receive/send messages.
Args:
sock: The socket for receiving / sending messages.
data_callback: The handler for data messages.
Function fingerprint: callback(buf, offset, num_bytes)
control_callback: The handler for control messages.
Function fingerprint: callback(buf, offset, num_bytes)
close_callback: The callback method triggered when this channel closed.
Function fingerprint: callback()
io_loop: The IO loop, on which the read/write operations depends; default using global IOLoop instance.
name: The name of this object, could be used in debug info output.
"""
self._stream = iostream.IOStream(sock, io_loop, name)
self._stream.set_close_callback(close_callback)
self._data_handler = _callback_to_read_handler(self, data_callback)
self._control_handler = _callback_to_read_handler(
self, control_callback)
self._name = name
self._header_parser = struct.struct("<i")
self._header_buf = bytearray(4)
def __init__(self,
sock,
data_callback,
control_callback=None,
close_callback=None,
io_loop=None,
name=None):
self._stream = iostream.IOStream(sock, io_loop, name)
self._stream.set_close_callback(close_callback)
self._data_handler = _callback_to_read_handler(self, data_callback)
self._name = name
def _handle_events(self, fd, events):
while True:
try:
connection, address = self._socket.accept()
except socket.error, e:
if e[0] in (errno.EWOULDBLOCK, errno.EAGAIN):
return
raise
try:
stream = iostream.IOStream(connection, io_loop=self.io_loop)
HTTPConnection(stream, address, self.request_callback,
self.no_keep_alive, self.xheaders)
except:
logging.error("Error in connection callback", exc_info=True)
def __init__(self, sock):
self.stream = iostream.IOStream(sock)
self.resp = bytearray(
"HTTP/1.1 200 OK\r\nKeep-Alive: timeout=5, max=100\r\nConnection: Keep-Alive\r\nContent-Length: 121\r\n\r\nHello world!\r\n"
)
self.resp_size = len(self.resp)
def __init__(self, sock):
self.stream = iostream.IOStream(sock)
def __init__(self, domain, uri):
self.domain = domain
self.uri = uri
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
self.stream = iostream.IOStream(s)