92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
#ifndef FSFW_CFDP_CFDPSOURCEHANDLER_H
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#define FSFW_CFDP_CFDPSOURCEHANDLER_H
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#include <cstdint>
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#include <vector>
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#include "UserBase.h"
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#include "defs.h"
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#include "fsfw/cfdp/FileSize.h"
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#include "fsfw/cfdp/handler/mib.h"
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#include "fsfw/events/EventReportingProxyIF.h"
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#include "fsfw/storagemanager/StorageManagerIF.h"
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#include "fsfw/tmtcservices/AcceptsTelemetryIF.h"
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namespace cfdp {
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struct SourceHandlerParams {
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SourceHandlerParams(LocalEntityCfg cfg, UserBase& user) : cfg(std::move(cfg)), user(user) {}
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LocalEntityCfg cfg;
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UserBase& user;
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size_t maxFilePathSize = 256;
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};
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// TODO: This class in identical to the ones used by the destination handler. Consider unifying
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// them.
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struct FsfwSourceParams {
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FsfwSourceParams(AcceptsTelemetryIF& packetDest, MessageQueueIF* msgQueue,
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EventReportingProxyIF* eventReporter, StorageManagerIF& tcStore,
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StorageManagerIF& tmStore)
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: FsfwSourceParams(packetDest, msgQueue, eventReporter) {
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this->tcStore = &tcStore;
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this->tmStore = &tmStore;
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}
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FsfwSourceParams(AcceptsTelemetryIF& packetDest, MessageQueueIF* msgQueue,
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EventReportingProxyIF* eventReporter)
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: packetDest(packetDest), msgQueue(msgQueue), eventReporter(eventReporter) {}
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AcceptsTelemetryIF& packetDest;
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MessageQueueIF* msgQueue;
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EventReportingProxyIF* eventReporter = nullptr;
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StorageManagerIF* tcStore = nullptr;
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StorageManagerIF* tmStore = nullptr;
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};
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class SourceHandler {
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public:
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SourceHandler(SourceHandlerParams params, FsfwSourceParams fsfwParams);
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/**
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* Pass a put request to the source handler, which might initiate a CFDP transaction and start
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* the state machine
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* @return
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*/
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ReturnValue_t putRequest();
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void stateMachine();
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private:
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enum class TransactionStep : uint8_t {
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IDLE = 0,
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TRANSACTION_START = 1,
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CRC_PROCEDURE = 2,
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SENDING_METADATA = 3,
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SENDING_FILE_DATA = 4,
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SENDING_EOF = 5,
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WAIT_FOR_ACK = 6,
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WAIT_FOR_FINISH = 7,
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NOTICE_OF_COMPLETION = 8
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};
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struct TransactionParams {
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// Initialize char vectors with length + 1 for 0 termination
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explicit TransactionParams(size_t maxFileNameLen)
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: sourceName(maxFileNameLen + 1), destName(maxFileNameLen + 1) {}
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uint32_t crc{};
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std::vector<char> sourceName;
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std::vector<char> destName;
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cfdp::FileSize fileSize;
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} transactionParams;
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cfdp::CfdpState state = cfdp::CfdpState::IDLE;
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TransactionStep step = TransactionStep::IDLE;
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SourceHandlerParams sourceParams;
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FsfwSourceParams fsfwParams;
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void fsmNacked();
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ReturnValue_t checksumGeneration();
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};
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} // namespace cfdp
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#endif // FSFW_CFDP_CFDPSOURCEHANDLER_H
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