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75 lines
2.5 KiB
Cython
75 lines
2.5 KiB
Cython
# Copyright (c) 2022 Fantix King https://fantix.pro
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# kLoop is licensed under Mulan PSL v2.
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# You can use this software according to the terms and conditions of the Mulan PSL v2.
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# You may obtain a copy of Mulan PSL v2 at:
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# http://license.coscl.org.cn/MulanPSL2
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# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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# EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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# MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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# See the Mulan PSL v2 for more details.
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cdef int tcp_connect(TCPConnect* connector) nogil:
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return ring_sq_submit_connect(
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&connector.loop.ring.sq,
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connector.fd,
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connector.addr,
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&connector.ring_cb,
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)
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cdef int tcp_connect_cb(RingCallback* cb) nogil except 0:
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cdef TCPConnect* connector = <TCPConnect*>cb.data
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return queue_push(&connector.loop.ready, connector.cb)
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cdef class TCPTransport:
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@staticmethod
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cdef TCPTransport new(object protocol_factory, KLoopImpl loop):
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cdef TCPTransport rv = TCPTransport.__new__(TCPTransport)
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rv.protocol_factory = protocol_factory
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rv.loop = loop
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rv.connector.loop = &loop.loop
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rv.connector.ring_cb.callback = tcp_connect_cb
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rv.connector.ring_cb.data = &rv.connector
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return rv
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cdef connect(self, libc.sockaddr* addr):
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cdef:
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int fd
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TCPConnect* c = &self.connector
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fd = libc.socket(addr.sa_family, libc.SOCK_STREAM, 0)
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if fd == -1:
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PyErr_SetFromErrno(IOError)
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return
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c.addr = addr
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c.fd = self.fd = fd
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self.handle = Handle(self.connect_cb, (self,), self.loop, None)
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c.cb = &self.handle.cb
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if not tcp_connect(c):
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raise ValueError("Submission queue is full!")
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self.waiter = self.loop.create_future()
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return self.waiter
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cdef connect_cb(self):
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if self.connector.ring_cb.res != 0:
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if not ring_sq_submit_close(
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&self.loop.loop.ring.sq, self.fd, NULL
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):
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# TODO: fd not closed?
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pass
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try:
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errno.errno = abs(self.connector.ring_cb.res)
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PyErr_SetFromErrno(IOError)
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except IOError as e:
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self.waiter.set_exception(e)
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return
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protocol = self.protocol_factory()
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self.waiter.set_result(protocol)
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self.loop.call_soon(protocol.connection_made, self)
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def get_extra_info(self, x):
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return None
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