fix while stopper
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@@ -68,15 +68,15 @@ class CmdServer:
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# Send handshake request to Presenter
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self.__pipe_operator.write(CODE_PACKER.pack(ProtocolCode.HANDSHAKE_REQUEST))
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# And the payload data
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self.__pipe_operator.write(HANDSHAKE_REQUEST_PACKER.pack(
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payload.pixel_kind,
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payload.width,
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payload.height
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))
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self.__pipe_operator.write(
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HANDSHAKE_REQUEST_PACKER.pack(
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payload.pixel_kind, payload.width, payload.height
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)
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)
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# Wait for handshake response from Presenter (code 0x62)
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code_bytes = self.__pipe_operator.read(CODE_PACKER.size)
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(code, ) = CODE_PACKER.unpack(code_bytes)
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(code,) = CODE_PACKER.unpack(code_bytes)
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if ProtocolCode(code) != ProtocolCode.HANDSHAKE_RESPONSE:
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raise RuntimeError("expect handshake response code, but got another")
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@@ -84,8 +84,7 @@ class CmdServer:
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self.__status = ServerStatus.Running
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return
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def tick(self, data_receiver: Callable[[], None],
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request_stop: bool) -> bool:
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def tick(self, data_receiver: Callable[[], None], request_stop: bool) -> bool:
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"""
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Tick function called every frame to wait for data ready from Presenter and send response.
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Returns True if a stop code was received (meaning the process should stop), False otherwise.
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@@ -101,7 +100,7 @@ class CmdServer:
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while True:
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# Wait for code from Presenter
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code_bytes = self.__pipe_operator.read(CODE_PACKER.size)
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(code, ) = CODE_PACKER.unpack(code_bytes)
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(code,) = CODE_PACKER.unpack(code_bytes)
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# Analyse code
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match ProtocolCode(code):
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@@ -109,7 +108,9 @@ class CmdServer:
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# Receive data
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data_receiver()
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# Send data received symbol
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self.__pipe_operator.write(CODE_PACKER.pack(ProtocolCode.DATA_RECEIVED))
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self.__pipe_operator.write(
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CODE_PACKER.pack(ProtocolCode.DATA_RECEIVED)
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)
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return False
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case ProtocolCode.ACTIVELY_STOP:
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# Presenter requested stop.
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@@ -119,7 +120,6 @@ class CmdServer:
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case _:
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raise RuntimeError("unexpected protocol code when running")
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def __wait_stop(self) -> None:
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# Send stop request code
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self.__pipe_operator.write(CODE_PACKER.pack(ProtocolCode.STOP_REQUEST))
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@@ -128,7 +128,7 @@ class CmdServer:
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while True:
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# Accept code
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code_bytes = self.__pipe_operator.read(CODE_PACKER.size)
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(code, ) = CODE_PACKER.unpack(code_bytes)
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(code,) = CODE_PACKER.unpack(code_bytes)
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# Check whether it is stop response
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match ProtocolCode(code):
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@@ -138,5 +138,3 @@ class CmdServer:
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return
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case _:
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raise RuntimeError("unexpected protocol code when waiting quit")
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