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64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
# must be built with scons
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from msgq.ipc_pyx import Context, Poller, SubSocket, PubSocket, SocketEventHandle, toggle_fake_events, \
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set_fake_prefix, get_fake_prefix, delete_fake_prefix, wait_for_one_event, \
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context_is_zmq
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from msgq.ipc_pyx import MultiplePublishersError, IpcError
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from typing import Optional, List, Union
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assert MultiplePublishersError
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assert IpcError
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assert toggle_fake_events
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assert set_fake_prefix
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assert get_fake_prefix
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assert delete_fake_prefix
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assert wait_for_one_event
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assert context_is_zmq
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NO_TRAVERSAL_LIMIT = 2**64-1
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context = Context()
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def fake_event_handle(endpoint: str, identifier: Optional[Union[str, bytes]] = None, override: bool = True, enable: bool = False) -> SocketEventHandle:
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ident = identifier if identifier is not None else get_fake_prefix()
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handle = SocketEventHandle(endpoint, ident, override)
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if override:
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handle.enabled = enable
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return handle
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def pub_sock(endpoint: str, segment_size: int = 0) -> PubSocket:
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sock = PubSocket()
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sock.connect(context, endpoint, segment_size)
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return sock
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def sub_sock(endpoint: str, poller: Optional[Poller] = None, addr: str = "127.0.0.1",
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conflate: bool = False, timeout: Optional[int] = None, segment_size: int = 0) -> SubSocket:
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sock = SubSocket()
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sock.connect(context, endpoint, addr.encode('utf8'), conflate, segment_size)
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if timeout is not None:
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sock.setTimeout(timeout)
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if poller is not None:
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poller.registerSocket(sock)
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return sock
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def drain_sock_raw(sock: SubSocket, wait_for_one: bool = False) -> List[bytes]:
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"""Receive all message currently available on the queue"""
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ret: List[bytes] = []
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while 1:
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if wait_for_one and len(ret) == 0:
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dat = sock.receive()
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else:
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dat = sock.receive(non_blocking=True)
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if dat is None:
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break
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ret.append(dat)
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return ret
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