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|---|---|---|---|
| 1 | // ====================================================================== | ||
| 2 | // \title FileUplink.hpp | ||
| 3 | // \author bocchino | ||
| 4 | // \brief hpp file for FileUplink component implementation class | ||
| 5 | // | ||
| 6 | // \copyright | ||
| 7 | // Copyright 2009-2016, by the California Institute of Technology. | ||
| 8 | // ALL RIGHTS RESERVED. United States Government Sponsorship | ||
| 9 | // acknowledged. | ||
| 10 | // | ||
| 11 | // ====================================================================== | ||
| 12 | |||
| 13 | #ifndef Svc_FileUplink_HPP | ||
| 14 | #define Svc_FileUplink_HPP | ||
| 15 | |||
| 16 | #include <Fw/FilePacket/FilePacket.hpp> | ||
| 17 | #include <Os/File.hpp> | ||
| 18 | #include <Os/SandboxedFile.hpp> | ||
| 19 | #include <Svc/FileUplink/FileUplinkComponentAc.hpp> | ||
| 20 | |||
| 21 | namespace Svc { | ||
| 22 | |||
| 23 | class FileUplink final : public FileUplinkComponentBase { | ||
| 24 | friend class FileUplinkTester; | ||
| 25 | |||
| 26 | private: | ||
| 27 | // ---------------------------------------------------------------------- | ||
| 28 | // Types | ||
| 29 | // ---------------------------------------------------------------------- | ||
| 30 | |||
| 31 | //! The ReceiveMode type | ||
| 32 | typedef enum { START, DATA } ReceiveMode; | ||
| 33 | |||
| 34 | //! An object representing an incoming file | ||
| 35 | class File { | ||
| 36 | friend class FileUplinkTester; | ||
| 37 | |||
| 38 | public: | ||
| 39 | //! The file size | ||
| 40 | U32 size; | ||
| 41 | |||
| 42 | //! The file name | ||
| 43 | Fw::LogStringArg name; | ||
| 44 | |||
| 45 | //! The underlying OS file (sandboxed to restrict write locations) | ||
| 46 | Os::SandboxedFile osFile; | ||
| 47 | |||
| 48 | private: | ||
| 49 | //! The checksum for the file | ||
| 50 | ::CFDP::Checksum m_checksum; | ||
| 51 | |||
| 52 | public: | ||
| 53 | //! Open the OS file for writing and initialize the checksum | ||
| 54 | Os::File::Status open(const Fw::FilePacket::StartPacket& startPacket); | ||
| 55 | |||
| 56 | //! Write bytes into the OS file and update the checksum | ||
| 57 | //! \return OP_OK on success, NO_SPACE on a short write, or the OS status on failure | ||
| 58 | Os::File::Status write(const U8* const data, const U32 byteOffset, const U32 length); | ||
| 59 | |||
| 60 | //! Get the checksum | ||
| 61 | 1 | void getChecksum(::CFDP::Checksum& checksum) { checksum = this->m_checksum; } | |
| 62 | }; | ||
| 63 | |||
| 64 | //! Object to record files received | ||
| 65 | class FilesReceived { | ||
| 66 | friend class FileUplinkTester; | ||
| 67 | |||
| 68 | public: | ||
| 69 | //! Construct a FilesReceived object | ||
| 70 | 1 | FilesReceived(FileUplink* const fileUplink) : m_received_files_counter(0), m_fileUplink(fileUplink) {} | |
| 71 | |||
| 72 | public: | ||
| 73 | //! Record a received file | ||
| 74 | 1 | void fileReceived() { | |
| 75 | 1 | ++this->m_received_files_counter; | |
| 76 |
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1 | this->m_fileUplink->tlmWrite_FilesReceived(m_received_files_counter); |
| 77 | 1 | } | |
| 78 | |||
| 79 | private: | ||
| 80 | //! The total number of files received | ||
| 81 | U32 m_received_files_counter; | ||
| 82 | |||
| 83 | //! The enclosing FileUplink object | ||
| 84 | FileUplink* const m_fileUplink; | ||
| 85 | }; | ||
| 86 | |||
| 87 | //! Object to record files rejected for a bad checksum | ||
| 88 | class FilesReceivedFailed { | ||
| 89 | friend class FileUplinkTester; | ||
| 90 | |||
| 91 | public: | ||
| 92 | //! Construct a FilesReceivedFailed object | ||
| 93 | 1 | FilesReceivedFailed(FileUplink* const fileUplink) : m_failed_files_counter(0), m_fileUplink(fileUplink) {} | |
| 94 | |||
| 95 | public: | ||
| 96 | //! Record a file rejected for a bad checksum | ||
| 97 | ✗ | void fileReceivedFailed() { | |
| 98 | ✗ | ++this->m_failed_files_counter; | |
| 99 | ✗ | this->m_fileUplink->tlmWrite_FilesReceivedFailed(m_failed_files_counter); | |
| 100 | ✗ | } | |
| 101 | |||
| 102 | private: | ||
| 103 | //! The total number of files rejected for a bad checksum | ||
| 104 | U32 m_failed_files_counter; | ||
| 105 | |||
| 106 | //! The enclosing FileUplink object | ||
| 107 | FileUplink* const m_fileUplink; | ||
| 108 | }; | ||
| 109 | |||
| 110 | //! Object to record packets received | ||
| 111 | class PacketsReceived { | ||
| 112 | friend class FileUplinkTester; | ||
| 113 | |||
| 114 | public: | ||
| 115 | //! Construct a PacketsReceived object | ||
| 116 | 1 | PacketsReceived(FileUplink* const fileUplink) : m_received_packet_count(0), m_fileUplink(fileUplink) {} | |
| 117 | |||
| 118 | public: | ||
| 119 | //! Record a packet received | ||
| 120 | 6 | void packetReceived() { | |
| 121 | 6 | ++this->m_received_packet_count; | |
| 122 |
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6 | this->m_fileUplink->tlmWrite_PacketsReceived(m_received_packet_count); |
| 123 | 6 | } | |
| 124 | |||
| 125 | private: | ||
| 126 | //! The total number of received packets | ||
| 127 | U32 m_received_packet_count; | ||
| 128 | |||
| 129 | //! The enclosing FileUplink object | ||
| 130 | FileUplink* const m_fileUplink; | ||
| 131 | }; | ||
| 132 | |||
| 133 | //! Object to record warnings | ||
| 134 | class Warnings { | ||
| 135 | friend class FileUplinkTester; | ||
| 136 | |||
| 137 | public: | ||
| 138 | //! Construct a Warnings object | ||
| 139 | 1 | Warnings(FileUplink* const fileUplink) : m_warning_count(0), m_fileUplink(fileUplink) {} | |
| 140 | |||
| 141 | public: | ||
| 142 | //! Record an Invalid Receive Mode warning | ||
| 143 | void invalidReceiveMode(const Fw::FilePacket::Type packetType); | ||
| 144 | |||
| 145 | //! Record a File Open warning | ||
| 146 | void fileOpen(Fw::LogStringArg& fileName); | ||
| 147 | |||
| 148 | //! Record a Packet Out of Bounds warning | ||
| 149 | void packetOutOfBounds(const U32 sequenceIndex, Fw::LogStringArg& fileName); | ||
| 150 | |||
| 151 | //! Record a Packet Out of Order warning | ||
| 152 | void packetOutOfOrder(const U32 sequenceIndex, const U32 lastSequenceIndex); | ||
| 153 | |||
| 154 | //! Record a Duplicate Packet warning | ||
| 155 | void packetDuplicate(const U32 sequenceIndex); | ||
| 156 | |||
| 157 | //! Record a File Write warning | ||
| 158 | void fileWrite(Fw::LogStringArg& fileName); | ||
| 159 | |||
| 160 | //! Record a Bad Checksum warning | ||
| 161 | void badChecksum(const U32 computed, const U32 read); | ||
| 162 | |||
| 163 | private: | ||
| 164 | //! Record a warning | ||
| 165 | 3 | void warning() { | |
| 166 | 3 | ++this->m_warning_count; | |
| 167 |
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3 | this->m_fileUplink->tlmWrite_Warnings(m_warning_count); |
| 168 | 3 | } | |
| 169 | |||
| 170 | private: | ||
| 171 | //! The total number of warnings | ||
| 172 | U32 m_warning_count; | ||
| 173 | |||
| 174 | //! The enclosing FileUplink object | ||
| 175 | FileUplink* const m_fileUplink; | ||
| 176 | }; | ||
| 177 | |||
| 178 | public: | ||
| 179 | // ---------------------------------------------------------------------- | ||
| 180 | // Construction, initialization, and destruction | ||
| 181 | // ---------------------------------------------------------------------- | ||
| 182 | |||
| 183 | //! Construct object FileUplink | ||
| 184 | //! | ||
| 185 | FileUplink(const char* const name //!< The component name | ||
| 186 | ); | ||
| 187 | |||
| 188 | //! Destroy object FileUplink | ||
| 189 | //! | ||
| 190 | ~FileUplink(); | ||
| 191 | |||
| 192 | //! Configure the allowed uplink directory | ||
| 193 | //! | ||
| 194 | //! Restricts all file writes to the given directory. | ||
| 195 | //! Fail-open: until called, the sandbox defaults to `/` (any writable path is allowed). | ||
| 196 | //! Must be called before any files are received. | ||
| 197 | //! The directory must be an absolute path ending with `/`. | ||
| 198 | //! | ||
| 199 | //! \param directory: absolute path of the allowed uplink directory (must end with `/`) | ||
| 200 | //! | ||
| 201 | void configure(const char* directory); | ||
| 202 | |||
| 203 | private: | ||
| 204 | // ---------------------------------------------------------------------- | ||
| 205 | // Handler implementations for user-defined typed input ports | ||
| 206 | // ---------------------------------------------------------------------- | ||
| 207 | |||
| 208 | //! Handler implementation for bufferSendIn | ||
| 209 | //! | ||
| 210 | void bufferSendIn_handler(const FwIndexType portNum, //!< The port number | ||
| 211 | Fw::Buffer& buffer //!< Buffer wrapping data | ||
| 212 | ); | ||
| 213 | |||
| 214 | //! Handler implementation for pingIn | ||
| 215 | //! | ||
| 216 | void pingIn_handler(const FwIndexType portNum, /*!< The port number*/ | ||
| 217 | U32 key /*!< Value to return to pinger*/ | ||
| 218 | ); | ||
| 219 | |||
| 220 | private: | ||
| 221 | // ---------------------------------------------------------------------- | ||
| 222 | // Private helper functions | ||
| 223 | // ---------------------------------------------------------------------- | ||
| 224 | |||
| 225 | //! Handle a start packet | ||
| 226 | void handleStartPacket(const Fw::FilePacket::StartPacket& startPacket); | ||
| 227 | |||
| 228 | //! Handle a data packet | ||
| 229 | void handleDataPacket(const Fw::FilePacket::DataPacket& dataPacket); | ||
| 230 | |||
| 231 | //! Handle an end packet | ||
| 232 | void handleEndPacket(const Fw::FilePacket::EndPacket& endPacket); | ||
| 233 | |||
| 234 | //! Handle a cancel packet | ||
| 235 | void handleCancelPacket(); | ||
| 236 | |||
| 237 | //! Check sequence index | ||
| 238 | void checkSequenceIndex(const U32 sequenceIndex); | ||
| 239 | |||
| 240 | //! Check if a received packet is a duplicate | ||
| 241 | bool checkDuplicatedPacket(const U32 sequenceIndex); | ||
| 242 | |||
| 243 | //! Compare checksums; returns true if the computed checksum matches the value in the END packet | ||
| 244 | bool compareChecksums(const Fw::FilePacket::EndPacket& endPacket); | ||
| 245 | |||
| 246 | //! Go to START mode | ||
| 247 | void goToStartMode(); | ||
| 248 | |||
| 249 | //! Go to DATA mode | ||
| 250 | void goToDataMode(); | ||
| 251 | |||
| 252 | private: | ||
| 253 | // ---------------------------------------------------------------------- | ||
| 254 | // Member variables | ||
| 255 | // ---------------------------------------------------------------------- | ||
| 256 | |||
| 257 | //! The receive mode | ||
| 258 | ReceiveMode m_receiveMode; | ||
| 259 | |||
| 260 | //! The sequence index of the last packet received | ||
| 261 | U32 m_lastSequenceIndex; | ||
| 262 | |||
| 263 | //! The write status of the last packet received | ||
| 264 | Os::File::Status m_lastPacketWriteStatus; | ||
| 265 | |||
| 266 | //! The file being assembled | ||
| 267 | File m_file; | ||
| 268 | |||
| 269 | //! The total number of files received | ||
| 270 | FilesReceived m_filesReceived; | ||
| 271 | |||
| 272 | //! The total number of files rejected for a bad checksum | ||
| 273 | FilesReceivedFailed m_filesReceivedFailed; | ||
| 274 | |||
| 275 | //! The total number of packets received | ||
| 276 | PacketsReceived m_packetsReceived; | ||
| 277 | |||
| 278 | //! The total number of warnings | ||
| 279 | Warnings m_warnings; | ||
| 280 | }; | ||
| 281 | |||
| 282 | } // namespace Svc | ||
| 283 | |||
| 284 | #endif | ||
| 285 |