66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
#ifndef FSFW_OSAL_WINDOWS_TCSOCKETPOLLINGTASK_H_
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#define FSFW_OSAL_WINDOWS_TCSOCKETPOLLINGTASK_H_
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#include "UdpTmTcBridge.h"
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#include "../../objectmanager/SystemObject.h"
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#include "../../tasks/ExecutableObjectIF.h"
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#include "../../storagemanager/StorageManagerIF.h"
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#include <vector>
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/**
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* @brief This class can be used to implement the polling of a Unix socket,
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* using UDP for now.
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* @details
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* The task will be blocked while the specified number of bytes has not been
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* received, so TC reception is handled inside a separate task.
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* This class caches the IP address of the sender. It is assumed there
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* is only one sender for now.
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*/
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class UdpTcPollingTask:
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public TcpIpBase,
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public SystemObject,
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public ExecutableObjectIF {
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friend class TmTcWinUdpBridge;
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public:
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static constexpr size_t DEFAULT_MAX_RECV_SIZE = 1500;
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//! 0.5 default milliseconds timeout for now.
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static constexpr timeval DEFAULT_TIMEOUT = {0, 500};
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UdpTcPollingTask(object_id_t objectId, object_id_t tmtcUnixUdpBridge,
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size_t maxRecvSize = 0, double timeoutSeconds = -1);
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virtual~ UdpTcPollingTask();
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/**
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* Turn on optional timeout for UDP polling. In the default mode,
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* the receive function will block until a packet is received.
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* @param timeoutSeconds
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*/
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void setTimeout(double timeoutSeconds);
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virtual ReturnValue_t performOperation(uint8_t opCode) override;
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virtual ReturnValue_t initialize() override;
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virtual ReturnValue_t initializeAfterTaskCreation() override;
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protected:
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StorageManagerIF* tcStore = nullptr;
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private:
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//! TMTC bridge is cached.
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object_id_t tmtcBridgeId = objects::NO_OBJECT;
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UdpTmTcBridge* tmtcBridge = nullptr;
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MessageQueueId_t targetTcDestination = MessageQueueIF::NO_QUEUE;
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//! See: https://docs.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-recvfrom
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int receptionFlags = 0;
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std::vector<uint8_t> receptionBuffer;
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size_t frameSize = 0;
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timeval receptionTimeout;
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ReturnValue_t handleSuccessfullTcRead(size_t bytesRead);
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};
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#endif /* FRAMEWORK_OSAL_LINUX_TCSOCKETPOLLINGTASK_H_ */
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