def _write(request, bytes):
try:
request.connection.write(bytes)
except Exception, e:
util.prepend_message_to_exception(
'Failed to send message to %r: ' %
(request.connection.remote_addr, ), e)
raise
def _check_header_lines(self):
for key, expected_value in _MANDATORY_HEADERS:
actual_value = self._request.headers_in.get(key)
if not actual_value:
raise HandshakeError("Header %s is not defined" % key)
if expected_value:
if actual_value != expected_value:
raise HandshakeError("Illegal value for header %s: %s" % (key, actual_value))
if self._strict:
try:
lines = self._request.connection.get_memorized_lines()
except AttributeError, e:
util.prepend_message_to_exception(
"Strict handshake is specified but the connection " "doesn't provide get_memorized_lines()", e
)
raise
self._check_first_lines(lines)
def _check_header_lines(self):
for key, expected_value in _MANDATORY_HEADERS:
actual_value = self._request.headers_in.get(key)
if not actual_value:
raise HandshakeError('Header %s is not defined' % key)
if expected_value:
if actual_value != expected_value:
raise HandshakeError('Illegal value for header %s: %s' %
(key, actual_value))
if self._strict:
try:
lines = self._request.connection.get_memorized_lines()
except AttributeError, e:
util.prepend_message_to_exception(
'Strict handshake is specified but the connection '
'doesn\'t provide get_memorized_lines()', e)
raise
self._check_first_lines(lines)
def transfer_data(self, request):
"""Let a handler transfer_data with a Web Socket client.
Select a handler based on request.ws_resource and call its
web_socket_transfer_data function.
Args:
request: mod_python request.
"""
unused_do_extra_handshake, transfer_data_ = self._handler(request)
try:
transfer_data_(request)
except Exception, e:
util.prepend_message_to_exception(
'%s raised exception for %s: ' %
(_TRANSFER_DATA_HANDLER_NAME, request.ws_resource), e)
raise
def do_extra_handshake(self, request):
"""Do extra checking in Web Socket handshake.
Select a handler based on request.uri and call its
web_socket_do_extra_handshake function.
Args:
request: mod_python request.
"""
do_extra_handshake_, unused_transfer_data = self._handler(request)
try:
do_extra_handshake_(request)
except Exception, e:
util.prepend_message_to_exception(
'%s raised exception for %s: ' %
(_DO_EXTRA_HANDSHAKE_HANDLER_NAME, request.ws_resource), e)
raise
def transfer_data(self, request):
"""Let a handler transfer_data with a Web Socket client.
Select a handler based on request.ws_resource and call its
web_socket_transfer_data function.
Args:
request: mod_python request.
"""
unused_do_extra_handshake, transfer_data_ = self._handler(request)
try:
transfer_data_(request)
except Exception, e:
util.prepend_message_to_exception(
'%s raised exception for %s: ' % (
_TRANSFER_DATA_HANDLER_NAME, request.ws_resource),
e)
raise
def do_extra_handshake(self, request):
"""Do extra checking in Web Socket handshake.
Select a handler based on request.uri and call its
web_socket_do_extra_handshake function.
Args:
request: mod_python request.
"""
do_extra_handshake_, unused_transfer_data = self._handler(request)
try:
do_extra_handshake_(request)
except Exception, e:
util.prepend_message_to_exception(
'%s raised exception for %s: ' % (
_DO_EXTRA_HANDSHAKE_HANDLER_NAME,
request.ws_resource),
e)
raise
def _write(request, bytes):
try:
request.connection.write(bytes)
except Exception, e:
util.prepend_message_to_exception("Failed to send message to %r: " % (request.connection.remote_addr,), e)
raise
