Robin Mueller
c1d30aad13
A lot of smaller tweaks and smaller refactoring done in UDP TMTC bridge as well
92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
#ifndef FSFW_OSAL_COMMON_TCP_TMTC_SERVER_H_
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#define FSFW_OSAL_COMMON_TCP_TMTC_SERVER_H_
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#include "TcpIpBase.h"
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#include "../../ipc/messageQueueDefinitions.h"
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#include "../../ipc/MessageQueueIF.h"
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#include "../../objectmanager/frameworkObjects.h"
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#include "../../objectmanager/SystemObject.h"
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#include "../../storagemanager/StorageManagerIF.h"
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#include "../../tasks/ExecutableObjectIF.h"
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#ifdef __unix__
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#include <sys/socket.h>
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#endif
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#include <string>
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#include <vector>
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class TcpTmTcBridge;
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/**
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* @brief TCP server implementation
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* @details
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* This server will run for the whole program lifetime and will take care of serving client
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* requests on a specified TCP server port. This server waas written in a generic way and
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* can be used on Unix and on Windows systems.
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*
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* If a connection is accepted, the server will read all telecommands sent by a client and then
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* send all telemetry currently found in the TMTC bridge FIFO.
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*
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* Reading telemetry without sending telecommands is possible by connecting, shutting down the
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* send operation immediately and then reading the telemetry. It is therefore recommended to
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* connect to the server regularly, even if no telecommands need to be sent.
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*
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* The server will listen to a specific port on all addresses (0.0.0.0).
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*/
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class TcpTmTcServer:
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public SystemObject,
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public TcpIpBase,
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public ExecutableObjectIF {
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public:
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/* The ports chosen here should not be used by any other process. */
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static const std::string DEFAULT_TCP_SERVER_PORT;
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static const std::string DEFAULT_TCP_CLIENT_PORT;
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static constexpr size_t ETHERNET_MTU_SIZE = 1500;
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/**
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* TCP Server Constructor
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* @param objectId Object ID of the TCP Server
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* @param tmtcTcpBridge Object ID of the TCP TMTC Bridge object
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* @param receptionBufferSize This will be the size of the reception buffer. Default buffer
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* size will be the Ethernet MTU size
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* @param customTcpServerPort The user can specify another port than the default (7301) here.
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*/
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TcpTmTcServer(object_id_t objectId, object_id_t tmtcTcpBridge,
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size_t receptionBufferSize = ETHERNET_MTU_SIZE + 1,
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std::string customTcpServerPort = "");
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virtual~ TcpTmTcServer();
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void setTcpBacklog(uint8_t tcpBacklog);
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ReturnValue_t initialize() override;
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ReturnValue_t performOperation(uint8_t opCode) override;
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ReturnValue_t initializeAfterTaskCreation() override;
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protected:
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StorageManagerIF* tcStore = nullptr;
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StorageManagerIF* tmStore = 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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TcpTmTcBridge* tmtcBridge = nullptr;
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std::string tcpPort;
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int tcpFlags = 0;
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socket_t listenerTcpSocket = 0;
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struct sockaddr tcpAddress;
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MessageQueueId_t targetTcDestination = MessageQueueIF::NO_QUEUE;
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int tcpAddrLen = sizeof(tcpAddress);
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int tcpBacklog = 3;
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std::vector<uint8_t> receptionBuffer;
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int tcpSockOpt = 0;
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int tcpTmFlags = 0;
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void handleServerOperation(socket_t connSocket);
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ReturnValue_t handleTcReception(size_t bytesRecvd);
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ReturnValue_t handleTmSending(socket_t connSocket);
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};
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#endif /* FSFW_OSAL_COMMON_TCP_TMTC_SERVER_H_ */
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