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|---|---|---|---|
| 1 | // ====================================================================== | ||
| 2 | // \title FilePacket.hpp | ||
| 3 | // \author bocchino | ||
| 4 | // \brief hpp file for FilePacket | ||
| 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 Fw_FilePacket_HPP | ||
| 14 | #define Fw_FilePacket_HPP | ||
| 15 | |||
| 16 | #include <CFDP/Checksum/Checksum.hpp> | ||
| 17 | #include <Fw/Buffer/Buffer.hpp> | ||
| 18 | #include <Fw/FPrimeBasicTypes.hpp> | ||
| 19 | #include <Fw/Types/SerialBuffer.hpp> | ||
| 20 | #include <Fw/Types/Serializable.hpp> | ||
| 21 | |||
| 22 | // Forward declaration for UTs | ||
| 23 | namespace Svc { | ||
| 24 | class FileUplinkTester; | ||
| 25 | class FileDownlinkTester; | ||
| 26 | } // namespace Svc | ||
| 27 | |||
| 28 | namespace Fw { | ||
| 29 | |||
| 30 | //! \class FilePacket | ||
| 31 | //! \brief A file packet | ||
| 32 | //! | ||
| 33 | union FilePacket { | ||
| 34 | public: | ||
| 35 | // ---------------------------------------------------------------------- | ||
| 36 | // Types | ||
| 37 | // ---------------------------------------------------------------------- | ||
| 38 | |||
| 39 | //! Packet type | ||
| 40 | typedef enum { T_START = 0, T_DATA = 1, T_END = 2, T_CANCEL = 3, T_NONE = 255 } Type; | ||
| 41 | |||
| 42 | //! The type of a path name | ||
| 43 | class PathName { | ||
| 44 | friend union FilePacket; | ||
| 45 | friend class Svc::FileDownlinkTester; | ||
| 46 | friend class Svc::FileUplinkTester; | ||
| 47 | |||
| 48 | public: | ||
| 49 | //! The maximum length of a path name | ||
| 50 | enum { MAX_LENGTH = 255 }; | ||
| 51 | |||
| 52 | private: | ||
| 53 | //! The length | ||
| 54 | U8 m_length; | ||
| 55 | |||
| 56 | //! Pointer to the path value | ||
| 57 | const char* m_value; | ||
| 58 | |||
| 59 | public: | ||
| 60 | //! Initialize a PathName | ||
| 61 | void initialize(const char* const value //! The path value | ||
| 62 | ); | ||
| 63 | |||
| 64 | //! Compute the buffer size needed to hold this PathName | ||
| 65 | U32 bufferSize() const; | ||
| 66 | |||
| 67 | //! Get the length of the path name value | ||
| 68 | 19 | U32 getLength(void) const { return this->m_length; }; | |
| 69 | |||
| 70 | //! Get the path name value | ||
| 71 | 15 | const char* getValue(void) const { return this->m_value; }; | |
| 72 | |||
| 73 | private: | ||
| 74 | //! Initialize this PathName from a SerialBuffer | ||
| 75 | SerializeStatus fromSerialBuffer(SerialBuffer& serialBuffer); | ||
| 76 | |||
| 77 | //! Write this PathName to a SerialBuffer | ||
| 78 | SerializeStatus toSerialBuffer(SerialBuffer& serialBuffer) const; | ||
| 79 | }; | ||
| 80 | |||
| 81 | //! The type of a packet header | ||
| 82 | class Header { | ||
| 83 | friend union FilePacket; | ||
| 84 | friend class FilePacketTester; | ||
| 85 | friend class Svc::FileDownlinkTester; | ||
| 86 | friend class Svc::FileUplinkTester; | ||
| 87 | |||
| 88 | private: | ||
| 89 | //! The packet type | ||
| 90 | Type m_type; | ||
| 91 | |||
| 92 | //! The sequence index | ||
| 93 | U32 m_sequenceIndex; | ||
| 94 | |||
| 95 | public: | ||
| 96 | //! Header size | ||
| 97 | enum { HEADERSIZE = sizeof(U8) + sizeof(U32) }; | ||
| 98 | |||
| 99 | private: | ||
| 100 | //! Initialize a file packet header | ||
| 101 | void initialize(const Type type, //!< The packet type | ||
| 102 | const U32 sequenceIndex //!< The sequence index | ||
| 103 | ); | ||
| 104 | |||
| 105 | //! Compute the buffer size needed to hold this Header | ||
| 106 | U32 bufferSize() const; | ||
| 107 | |||
| 108 | //! Initialize this Header from a SerialBuffer | ||
| 109 | SerializeStatus fromSerialBuffer(SerialBuffer& serialBuffer); | ||
| 110 | |||
| 111 | //! Write this Header to a SerialBuffer | ||
| 112 | SerializeStatus toSerialBuffer(SerialBuffer& serialBuffer) const; | ||
| 113 | |||
| 114 | public: | ||
| 115 |
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37 | Type getType(void) const { return this->m_type; }; |
| 116 | |||
| 117 | 24 | U32 getSequenceIndex(void) const { return this->m_sequenceIndex; }; | |
| 118 | }; | ||
| 119 | |||
| 120 | //! The type of a start packet | ||
| 121 | struct StartPacket { | ||
| 122 | friend union FilePacket; | ||
| 123 | |||
| 124 | private: | ||
| 125 | //! The packet header | ||
| 126 | Header m_header; | ||
| 127 | |||
| 128 | //! The file size | ||
| 129 | U32 m_fileSize; | ||
| 130 | |||
| 131 | //! The source path | ||
| 132 | PathName m_sourcePath; | ||
| 133 | |||
| 134 | //! The destination path | ||
| 135 | PathName m_destinationPath; | ||
| 136 | |||
| 137 | public: | ||
| 138 | //! Initialize a StartPacket with sequence number 0 | ||
| 139 | void initialize(const U32 fileSize, //!< The file size | ||
| 140 | const char* const sourcePath, //!< The source path | ||
| 141 | const char* const destinationPath //!< The destination path | ||
| 142 | ); | ||
| 143 | |||
| 144 | //! Compute the buffer size needed to hold this StartPacket | ||
| 145 | U32 bufferSize() const; | ||
| 146 | |||
| 147 | //! Convert this StartPacket to a Buffer | ||
| 148 | SerializeStatus toBuffer(Buffer& buffer) const; | ||
| 149 | |||
| 150 | //! Get this as a Header | ||
| 151 | 2 | const FilePacket::Header& asHeader() const { return this->m_header; }; | |
| 152 | |||
| 153 | //! Get the destination path | ||
| 154 | 24 | const PathName& getDestinationPath() const { return this->m_destinationPath; }; | |
| 155 | |||
| 156 | //! Get the source path | ||
| 157 | 2 | const PathName& getSourcePath() const { return this->m_sourcePath; }; | |
| 158 | |||
| 159 | //! Get the file size | ||
| 160 | 13 | U32 getFileSize() const { return this->m_fileSize; }; | |
| 161 | |||
| 162 | private: | ||
| 163 | //! Initialize this StartPacket from a SerialBuffer | ||
| 164 | SerializeStatus fromSerialBuffer(SerialBuffer& serialBuffer); | ||
| 165 | |||
| 166 | //! Write this StartPacket to a SerialBuffer | ||
| 167 | SerializeStatus toSerialBuffer(SerialBuffer& serialBuffer) const; | ||
| 168 | }; | ||
| 169 | |||
| 170 | //! The type of a data packet | ||
| 171 | class DataPacket { | ||
| 172 | friend union FilePacket; | ||
| 173 | friend class Svc::FileDownlinkTester; | ||
| 174 | friend class Svc::FileUplinkTester; | ||
| 175 | |||
| 176 | private: | ||
| 177 | //! The packet header | ||
| 178 | Header m_header; | ||
| 179 | |||
| 180 | //! The byte offset of the packet data into the destination file | ||
| 181 | U32 m_byteOffset; | ||
| 182 | |||
| 183 | //! The size of the file data in the packet | ||
| 184 | U16 m_dataSize; | ||
| 185 | |||
| 186 | //! Pointer to the file data | ||
| 187 | const U8* m_data; | ||
| 188 | |||
| 189 | public: | ||
| 190 | //! header size | ||
| 191 | enum { HEADERSIZE = Header::HEADERSIZE + sizeof(U32) + sizeof(U16) }; | ||
| 192 | |||
| 193 | //! Initialize a data packet | ||
| 194 | void initialize(const U32 sequenceIndex, //!< The sequence index | ||
| 195 | const U32 byteOffset, //!< The byte offset | ||
| 196 | const U16 dataSize, //!< The data size | ||
| 197 | const U8* const data //!< The file data | ||
| 198 | ); | ||
| 199 | |||
| 200 | //! Compute the buffer size needed to hold this DataPacket | ||
| 201 | U32 bufferSize() const; | ||
| 202 | |||
| 203 | //! Convert this DataPacket to a Buffer | ||
| 204 | SerializeStatus toBuffer(Buffer& buffer) const; | ||
| 205 | |||
| 206 | //! Get this as a Header | ||
| 207 | 12 | const FilePacket::Header& asHeader() const { return this->m_header; }; | |
| 208 | |||
| 209 | //! Get the byte offset | ||
| 210 | 11 | U32 getByteOffset() const { return this->m_byteOffset; }; | |
| 211 | |||
| 212 | //! Get the data size | ||
| 213 | 11 | U32 getDataSize() const { return this->m_dataSize; }; | |
| 214 | |||
| 215 | //! Get the data | ||
| 216 | 18 | const U8* getData() const { return this->m_data; }; | |
| 217 | |||
| 218 | private: | ||
| 219 | //! Initialize this DataPacket from a SerialBuffer | ||
| 220 | SerializeStatus fromSerialBuffer(SerialBuffer& serialBuffer); | ||
| 221 | |||
| 222 | //! Compute the fixed-length data size of a StartPacket | ||
| 223 | U32 fixedLengthSize() const; | ||
| 224 | |||
| 225 | //! Write this DataPacket to a SerialBuffer | ||
| 226 | SerializeStatus toSerialBuffer(SerialBuffer& serialBuffer) const; | ||
| 227 | }; | ||
| 228 | |||
| 229 | //! The type of an end packet | ||
| 230 | class EndPacket { | ||
| 231 | friend union FilePacket; | ||
| 232 | friend class Svc::FileDownlinkTester; | ||
| 233 | friend class Svc::FileUplinkTester; | ||
| 234 | |||
| 235 | private: | ||
| 236 | //! The packet header | ||
| 237 | Header m_header; | ||
| 238 | |||
| 239 | public: | ||
| 240 | //! Set the checksum | ||
| 241 | void setChecksum(const CFDP::Checksum& checksum); | ||
| 242 | |||
| 243 | //! Get the checksum | ||
| 244 | void getChecksum(CFDP::Checksum& checksum) const; | ||
| 245 | |||
| 246 | //! Compute the buffer size needed to hold this EndPacket | ||
| 247 | U32 bufferSize() const; | ||
| 248 | |||
| 249 | //! Convert this EndPacket to a Buffer | ||
| 250 | SerializeStatus toBuffer(Buffer& buffer) const; | ||
| 251 | |||
| 252 | //! Get this as a Header | ||
| 253 | 4 | const FilePacket::Header& asHeader() const { return this->m_header; }; | |
| 254 | |||
| 255 | public: | ||
| 256 | //! Initialize an end packet | ||
| 257 | void initialize(const U32 sequenceIndex, //!< The sequence index | ||
| 258 | const CFDP::Checksum& checksum //!< The checksum | ||
| 259 | ); | ||
| 260 | |||
| 261 | private: | ||
| 262 | //! The checksum | ||
| 263 | U32 m_checksumValue; | ||
| 264 | |||
| 265 | //! Initialize this EndPacket from a SerialBuffer | ||
| 266 | SerializeStatus fromSerialBuffer(SerialBuffer& serialBuffer); | ||
| 267 | |||
| 268 | //! Write this EndPacket to a SerialBuffer | ||
| 269 | SerializeStatus toSerialBuffer(SerialBuffer& serialBuffer) const; | ||
| 270 | }; | ||
| 271 | |||
| 272 | //! The type of a cancel packet | ||
| 273 | class CancelPacket { | ||
| 274 | friend union FilePacket; | ||
| 275 | friend class Svc::FileDownlinkTester; | ||
| 276 | friend class Svc::FileUplinkTester; | ||
| 277 | |||
| 278 | private: | ||
| 279 | //! The packet header | ||
| 280 | Header m_header; | ||
| 281 | |||
| 282 | public: | ||
| 283 | //! Initialize a cancel packet | ||
| 284 | void initialize(const U32 sequenceIndex //!< The sequence index | ||
| 285 | ); | ||
| 286 | |||
| 287 | //! Compute the buffer size needed to hold this CancelPacket | ||
| 288 | U32 bufferSize() const; | ||
| 289 | |||
| 290 | //! Convert this CancelPacket to a Buffer | ||
| 291 | SerializeStatus toBuffer(Buffer& buffer) const; | ||
| 292 | |||
| 293 | //! Get this as a Header | ||
| 294 | 2 | const FilePacket::Header& asHeader() const { return this->m_header; }; | |
| 295 | |||
| 296 | private: | ||
| 297 | //! Initialize this CancelPacket from a SerialBuffer | ||
| 298 | SerializeStatus fromSerialBuffer(SerialBuffer& serialBuffer); | ||
| 299 | }; | ||
| 300 | |||
| 301 | public: | ||
| 302 | // ---------------------------------------------------------------------- | ||
| 303 | // Constructor | ||
| 304 | // ---------------------------------------------------------------------- | ||
| 305 | |||
| 306 | 84 | FilePacket() { this->m_header.m_type = T_NONE; } | |
| 307 | |||
| 308 | public: | ||
| 309 | // ---------------------------------------------------------------------- | ||
| 310 | // Public instance methods | ||
| 311 | // ---------------------------------------------------------------------- | ||
| 312 | |||
| 313 | //! Initialize this from a Buffer | ||
| 314 | //! | ||
| 315 | SerializeStatus fromBuffer(const Buffer& buffer); | ||
| 316 | |||
| 317 | //! Get this as a Header | ||
| 318 | //! | ||
| 319 | const Header& asHeader() const; | ||
| 320 | |||
| 321 | //! Get this as a StartPacket | ||
| 322 | //! | ||
| 323 | const StartPacket& asStartPacket() const; | ||
| 324 | |||
| 325 | //! Get this as a DataPacket | ||
| 326 | //! | ||
| 327 | const DataPacket& asDataPacket() const; | ||
| 328 | |||
| 329 | //! Get this as an EndPacket | ||
| 330 | //! | ||
| 331 | const EndPacket& asEndPacket() const; | ||
| 332 | |||
| 333 | //! Get this as a CancelPacket | ||
| 334 | //! | ||
| 335 | const CancelPacket& asCancelPacket() const; | ||
| 336 | |||
| 337 | //! Initialize this with a StartPacket | ||
| 338 | //! | ||
| 339 | void fromStartPacket(const StartPacket& startPacket); | ||
| 340 | |||
| 341 | //! Initialize this with a DataPacket | ||
| 342 | //! | ||
| 343 | void fromDataPacket(const DataPacket& dataPacket); | ||
| 344 | |||
| 345 | //! Initialize this with an EndPacket | ||
| 346 | //! | ||
| 347 | void fromEndPacket(const EndPacket& endPacket); | ||
| 348 | |||
| 349 | //! Initialize this with a CancelPacket | ||
| 350 | //! | ||
| 351 | void fromCancelPacket(const CancelPacket& cancelPacket); | ||
| 352 | |||
| 353 | //! Get the buffer size needed to hold this FilePacket | ||
| 354 | //! | ||
| 355 | U32 bufferSize() const; | ||
| 356 | |||
| 357 | //! Convert this FilePacket to a Buffer | ||
| 358 | //! | ||
| 359 | SerializeStatus toBuffer(Buffer& buffer) const; | ||
| 360 | |||
| 361 | private: | ||
| 362 | // ---------------------------------------------------------------------- | ||
| 363 | // Private methods | ||
| 364 | // ---------------------------------------------------------------------- | ||
| 365 | |||
| 366 | //! Initialize this from a SerialBuffer | ||
| 367 | //! | ||
| 368 | SerializeStatus fromSerialBuffer(SerialBuffer& serialBuffer); | ||
| 369 | |||
| 370 | private: | ||
| 371 | // ---------------------------------------------------------------------- | ||
| 372 | // Private data | ||
| 373 | // ---------------------------------------------------------------------- | ||
| 374 | |||
| 375 | //! this, seen as a header | ||
| 376 | //! | ||
| 377 | Header m_header; | ||
| 378 | |||
| 379 | //! this, seen as a Start packet | ||
| 380 | //! | ||
| 381 | StartPacket m_startPacket; | ||
| 382 | |||
| 383 | //! this, seen as a Data packet | ||
| 384 | //! | ||
| 385 | DataPacket m_dataPacket; | ||
| 386 | |||
| 387 | //! this, seen as an End packet | ||
| 388 | //! | ||
| 389 | EndPacket m_endPacket; | ||
| 390 | |||
| 391 | //! this, seen as a Cancel packet | ||
| 392 | //! | ||
| 393 | CancelPacket m_cancelPacket; | ||
| 394 | }; | ||
| 395 | |||
| 396 | } // namespace Fw | ||
| 397 | |||
| 398 | #endif | ||
| 399 |