937 lines
22 KiB
Plaintext
937 lines
22 KiB
Plaintext
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#
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# libdax is the early working name for the successor software of libburn,
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# a library for writing information onto optical media, i.e. CD and DVD.
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# The current working name is libcevap, refering to various kinds of roasts in
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# Europe and Asia which share the property to be structured in smaller pieces.
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#
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# The reason for the replacement is the unclear copyright situation as well
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# as libburn's sketchy original state and the subsequential evolutionary
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# damages done by us in libburn code.
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# This does not mean libburn is shaky. Its current state just reflects the
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# virtual conflict of at least two programmer personalities and their goals.
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#
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#
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# Please: Nobody shall take the development of libcevap as a reason for not
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# programming an application which uses libburn.
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# libburn works now. libcevap is planned to work in future.
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#
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# libcevap will replace libburn in a controlled, application friendly way.
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# The first application of libcevap will be a libburn API wrapper which will
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# allow to perform all API calls of libburn which are proveable to work in
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# the current implementation. (Some CD stuff is not understood by us yet.
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# We will have to learn.)
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#
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# The libburn API will be frozen when libcevap has closed up to its current
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# capabilities. Nevertheless it may take profit from some of the future
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# progress in libcevap (e.g. new media types).
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# We hope that finally libcevap will have capabilities superior to libburn.
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# This will then be a reason to port applications to the libcevap API.
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#
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# Application programmers are advised to encapsulate their libburn API calls
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# in an own abstraction layer. The semantic concepts of burning will be
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# compatible between libburn and libcevap. I.e you will have a library object
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# to be started up, drives to be found and grabbed, media and their states
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# to be identified, sessions, tracks, burn options to be set, blanking,
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# formatting, and so on.
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# Data types, function calls, and quirks will be incompatible between both
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# APIs, though.
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#
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# -------------------------------------------------------------------------
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# Originally this was a backup of text input clicketitoggled into ArgoUML
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# Meanwhile it becomes an intermediate storage for attributes and
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# class interconnections in the notation of my C stub generator CgeN
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# (see also end of this text)
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# next : comment : CevapmediA.nwa
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# Open questions:
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# - how to connect to GESTURES ? Globally ?
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Model=libdax
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ClassDiagram=Overview
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Class=API
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=11.03.2007
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Documentation=\
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The API is the only layer visible to the applications. It exposes MMC concepts
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which it reflects and augments by its own architectural concepts.
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Subordinates=EQUIP,JOB,AUX
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Cgen=\
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cevapi
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-r -m struct CevapequiP *equip
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-r -m struct CevapjoB *job
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-r -m struct CevapauX *aux
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-r -m struct CevapgestureS *gestures
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@
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=end Class
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Class=EQUIP
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=11.03.2007
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Documentation=\
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EQUIP represents the physical and logical equipment in reach of libdax.
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This includes the system, drives, media, and their current states.
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PeerToPeer=GESTURES
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Boss=API
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Cgen=\
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cevapequip
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-r -v struct CevapI *boss
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-r -m struct CevapsysteM *sys
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-v struct CevapgestureS *gestures
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@
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=end Class
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Class=JOB
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=11.03.2007
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Documentation=\
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JOB models the tasks to be performed via libdax.
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This includes disc, session, track, source, fifo, dewav, burn options.
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PeerToPeer=GESTURES
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Boss=API
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Cgen=\
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cevapjob
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-r -v struct CevapI *boss
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-r -m struct CevaptodO *todo
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-v struct CevapgestureS *gestures
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# >>>
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@
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=end Class
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Class=AUX
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=11.03.2007
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Documentation=\
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AUX bundles any models which are neither EQUIP nor JOB.
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This includes abort handler and message system.
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PeerToPeer=GESTURES
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Boss=API
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Cgen=\
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cevapaux
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-r -v struct CevapI *boss
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-v struct CevapgestureS *gestures
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# >>>
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@
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=end Class
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Class=GESTURES
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=11.03.2007
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Documentation=\
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GESTURES ist the procedural repertoire which interconnects EQUIP, JOB, and AUX
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and also provides to them the services from the SCSI oriented layers.
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PeerToPeer=EQUIP,JOB,AUX
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Subordinates=SCSI_CMD
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Cgen=\
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cevapgestures
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-r -v struct CevapI *boss
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-v struct CevapequiP *equip
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-v struct CevapjoB *job
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-v struct CevapauX *aux
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-r -m struct CevapscmD *scsi_cmd
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# >>>
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@
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=end Class
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Class=SCSI_CMD
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=11.03.2007
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Documentation=\
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SCSI_CMD represents the semantic part of SCSI (i.e. mainly MMC) specs.
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This layer models each SCSI command that is used by libdax. It knows about
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its parameters and constraints with particular equipment and jobs.
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Boss=GESTURES
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Subordinates=Classes with SCSI_EXEC Interface
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Cgen=\
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cevapscmd
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-r -v struct CevapgestureS *boss
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-r -m struct CevapsexeC *scsi_exec
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# >>>
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@
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=end Class
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Interface=SCSI_EXEC
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=16.03.2007
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Documentation=\
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SCSI_EXEC hides the difference between the implementation principle of
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SCSI format+transport and the principle of SCSI service.
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Boss=SCSI_CMD
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Implementations=SCSI_FORMAT,SCSI_SERVICE
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Cgen=\
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cevapsexec
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-r -v struct CevapscmD *boss
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-p -v struct CevapsforM *scsi_format
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-p -v struct CevapsservicE *scsi_service
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-v int silent_on_scsi_error
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# >>>
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@
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=end Interface
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Class=OSDriveAspect
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=18.08.2007
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Documentation=\
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OSDriveAspect encapsulates operating system specific properties of an
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individual drive. It shall be handed out by SCSI_EXEC via the GESTURES layer
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to EquipDrive where it forms the link between cevap drive model and operating
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system driver.
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This class description models the implementation specific to Linux.
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Cgen=\
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cevaposdrv
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-r -v int fd
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# >>> ??? implement the sibling stuff which never worked properly ?
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@
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=end Class
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Class=SCSI_FORMAT
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=11.03.2007
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Documentation=\
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SCSI_FORMAT translates parameters of SCSI commands into CDBs, takes care for
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transport and decodes the reply into parameters.
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Boss=SCSI_CMD via SCSI_EXEC
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Subordinates=SCSI_TRANSPORT
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Cgen=\
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cevapsform
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-r -v struct CevapsexeC *boss
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-p -v struct CevapstransP *scsi_transport
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# former struct command
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-v unsigned char opcode[16]
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-v int oplen
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-v int dir
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-v int dxfer_len
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-v unsigned char sense[128]
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-v int error
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-v int retry
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-v struct CevapbuffeR *page
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# >>>
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@
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=end Class
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Class=SCSI_TRANSPORT
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=11.03.2007
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Documentation=\
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SCSI_TRANSPORT takes a formatted CDB from SCSI_FORMAT and makes the operating
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system perform a SCSI transaction. It then returns the reply data in raw form.
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Boss=SCSI_FORMAT
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Os_specific=yes
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Cgen=\
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cevapstransp
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-r -v struct CevapsforM *boss
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# >>>
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@
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=end Class
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Class=SCSI_SERVICE
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=11.03.2007
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Documentation=\
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SCSI_SERVICE provides the combined services of SCSI_FORMAT and SCSI_TRANSPORT
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via a set of parametrized functions which abstract SCSI command transactions.
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Boss=SCSI_CMD via SCSI_EXEC
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Os_specific=yes
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Cgen=\
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cevapsservice
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-r -v struct CevapsexeC *boss
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# >>>
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@
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=end Class
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=end ClassDiagram=Overview
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ClassDiagram=Equip_overview
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Class=EquipSystem
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=16.03.2007
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Documentation=\
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EquipSystem is the inner root class of EQUIP. It describes the system on
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which libdax is working. This includes the operating system, the system
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adapter classes, the drives.
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Boss=EQUIP
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Subordinates=EquipDrive*N
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Cgen=\
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cevapsystem
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-r -v struct CevapequiP *boss
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-r -m char *infotext
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-r -l struct CevapdrivE *drive
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-p -v struct CevapdrivE *eol_drive
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# >>> be boss of SCSI_CMD ? (Rather than GESTURES)
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# >>>
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@
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=end Class
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Class=EquipDrive
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=16.03.2007
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Documentation=\
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EquipDrive represents a drive, including its capabilities, its processing
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status, the media loaded.
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Subordinates=EquipMedia
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Boss=EquipSystem
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Cgen=\
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-l cevapdrive
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-r -v struct CevapsysteM *boss
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# Drive number
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-r -v int global_index
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# Persistent system drive address
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-r -m char *devname
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# Traditional SCSI address parameters (-1 if not applicable)
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-r -v int bus_no
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-r -v int host
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-r -v int id
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-r -v int channel
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-r -v int lun
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# (former struct burn_scsi_inquiry_data idata)
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# From 12h INQUIRY , spc3r23.pdf , 6.4.2 , Table 81
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-r -v char vendor[9]
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-r -v char product[17]
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-r -v char revision[5]
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# 1= above elements contain valid information
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-r -v int idata_valid
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# mc5r03c.pdf 5.3.2 Physical Interface Standard
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# 1=SCSI, 2=ATAPI, 3,4,6=FireWire, 7=SATA, 8=USB
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-r -v int phys_if_std
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# MMC-5 5.3.2 table 91 , e.g. "SCSI Family"
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-r -m char *phys_if_name
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# System despendent aspect of the drive (e.g. int fd;)
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-r -v struct CevaposdrV *system_dep_drive_info
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# Result of the CD write mode x block type tests:
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# Index is for write mode : 0=packet , 1=TAO , 2=SAO , 3=raw
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# Bits are for block type
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# Numbering as in mc5r03c.pdf 7.5.4.13 Data Block Type, Table 668 :
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# 0=RAW0 (2352, Raw data)
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# 1=RAW16 (2368, Raw data with P and Q Sub-channel
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# 2=RAW96P (2448, Raw data with P-W Sub-channel appended)
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# 3=RAW96R (2448, Raw data with raw P-W Sub-channel appended)
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# 8=MODE1 (2048, ISO/IEC 10149)
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# 9=MODE2R (2336, Mode 2 formless)
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# 10=MODE2F1 (2048, CD-ROM XA, form 1)
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# 11=MODE2F1X (2056, CD-ROM XA, form 1 plus 8 byte subheader)
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# 12=MODE2F2 (2324, CD-ROM XA, form 2)
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# 13=MODE2MIX (2332, CD-ROM XA, form 1, form 2, or mixed form)
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-r -v int block_types[4]
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# (former struct scsi_mode_data)
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# Information about the drive's capabilities, obtained via 5Ah MODE SENSE
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# from mode page 2Ah , mmc3r10g.pdf , 6.3.11 , Table 361
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# (which is deprecated in MMC-5 E.11)
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-p -v int mdata_buffer_size
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-p -v int mdata_dvdram_read
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-p -v int mdata_dvdram_write
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-p -v int mdata_dvdr_read
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-p -v int mdata_dvdr_write
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-p -v int mdata_dvdrom_read
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-p -v int mdata_cdrw_read
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-p -v int mdata_cdrw_write
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-p -v int mdata_cdr_read
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-p -v int mdata_cdr_write
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-p -v int mdata_max_read_speed
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-p -v int mdata_max_write_speed
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-p -v int madata_min_write_speed
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-p -v int mdata_cur_read_speed
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-p -v int mdata_cur_write_speed
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-p -v int mdata_simulate
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-p -v int mdata_c2_pointers
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-r -v int mdata_underrun_proof
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# Results from ACh GET PERFORMANCE, Type 03h
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# (Speed values go into *_*_speed)
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# (speed_descriptors became cevapperf which is under cevapmedia)
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-p -v int min_end_lba
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-p -v int max_end_lba
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# from mode page 01h , mmc5r03c.pdf , 7.3.2.1 , Table 657
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-p -v int mdata_retry_page_length
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-p -v int mdata_retry_page_valid
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# from mode page 05h , mmc5r03c.pdf , 7.5.4.1 , Table 664
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-p -v int mdata_write_page_length
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-p -v int mdata_write_page_valid
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# 1= above elements contain valid information
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-p -v int mdata_valid
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# The mutex shall be used to coordinate access to the drive in situations
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# where multi-threaded race conditions could disturb operations.
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# E.g. lock, read busy state, interpret, set busy state, unlock
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# A mere reader of the busy state does not have to lock because
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# reading of the state itself is atomar.
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-i -v pthread_mutex_t access_lock
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# Flags from feature 002Fh feature descriptor mmc5r03c.pdf 5.3.25 :
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# bit1= DVD-RW supported
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# bit2= Test Write available
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# bit3= DVD-R DL supported
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# bit6= Buffer Under-run Free recording available (page 05h BUFE)
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# Value -1 indicates that no 002Fh was current in the features list.
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-r -v int current_feat2fh_byte4
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# 0= drive is grabbed, 1= drive is not grabbed
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-v volatile int released
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# >>> ???
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# (do we need a drive owned buffer to carry data from call to call or what ?)
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-v struct CevapbuffeR *buffer
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# List of profiles as reported by the drive
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-r -l struct CevapprofilE *profile
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-p -v struct CevapprofilE *eol_profile
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# Media currently loaded in the drive
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-r -m struct CevapmediA *media
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# >>> transport.h : toc_temp (what is this ? It belongs to BURN_WRITE_RAW)
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# >>>
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@
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=end Class
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Class=EquipMedia
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=16.03.2007
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Documentation=\
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EquipMedia represents an optical disc, including its type, its writeability,
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its formatting, its available formats and performances.
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Subordinates=\
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EquipProfile*N,EquipFormat*N,EquipPerformance*N,EquipStatus,EquipMulticaps
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Boss=EquipDrive
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Cgen=\
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cevapmedia
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-r -v struct CevapdrivE *boss
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# Volatile and/or public properties of the media
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-r -m struct CevapstatuS *status
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# MMC-to-MMC feature info from 46h for DVD-RW.
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# Quite internal. Regard as opaque :)
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# 1 = incremental recording available, 0 = not available
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-r -v int current_has_feat21h
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# Link Size item number 0 from feature 0021h descriptor
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-r -v int current_feat21h_link_size
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# Wether a DVD-RW media holds an incomplete session
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# (which could need closing after write)
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-v int needs_close_session
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# From 51h READ DISC INFORMATION
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# 0=needs format start, 1=needs format restart
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-r -v int bg_format_status
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# From 23h READ FORMAT CAPACITY mmc5r03c.pdf 6.24
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# 1=unformatted, 2=formatted, 3=unclear
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-r -v int format_descr_type
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# meaning depends on format_descr_type
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-r -v off_t format_curr_max_size
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# dito
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-r -v unsigned int format_curr_blsas
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-r -v int best_format_type
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-r -v off_t best_format_size
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-r -l struct CevapformaT *format_descriptor
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-p -v struct CevapformaT *eol_format_descriptor
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# The specific capabilities and restrictions of the media
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-r -m struct CevapmcapS *multicaps
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# Results from ACh GET PERFORMANCE, Type 03h
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# (Speed values go into drive.mdata_*_*_speed)
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-r -l struct CevapperF *speed_descriptor
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-p -v struct CevapperF *eol_speed_descriptor
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# >>>
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@
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=end Class
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Class=EquipProfile
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Author=Thomas Schmitt <scdbackup@gmx.net>
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Version=1.0
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Since=16.03.2007
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Documentation=\
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EquipProfile maps a MMC profile into libdax (See mmc5r03c.pdf chapter 5).
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A profile describes a set of features and may be either current, possible,
|
|
disabled, or unavailable.
|
|
Subordinates=EquipFeature*N
|
|
Boss=EquipMedia
|
|
Cgen=\
|
|
-l cevapprofile
|
|
-r -v struct CevapdrivE *boss
|
|
-r -v int is_current
|
|
-r -v int profile_code
|
|
-r -v char *profile_text
|
|
-r -v int is_cd_profile
|
|
-r -v int is_supported_profile
|
|
-r -l struct CevapfeaturE *feature
|
|
-p -v struct CevapfeaturE *eol_feature
|
|
@
|
|
=end Class
|
|
|
|
Class=EquipFeature
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=16.03.2007
|
|
Documentation=\
|
|
EquipFeature maps a MMC feature into libdax (See mmc5r03c.pdf chapter 5).
|
|
A feature describes a set of SCSI commands and (implicitely) of use cases.
|
|
Boss=EquipProfile
|
|
Cgen=\
|
|
-l cevapfeature
|
|
-r -v struct CevapprofilE *boss
|
|
|
|
# >>>
|
|
|
|
@
|
|
=end Class
|
|
|
|
Class=EquipFormat
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=
|
|
Documentation=\
|
|
EquipFormat represents a single Formattable Capacity Descriptor
|
|
as of mmc5r03c.pdf 6.24.3.3 .
|
|
Boss=EquipMedia
|
|
Cgen=\
|
|
-l cevapformat
|
|
-r -v struct CevapmediA *boss
|
|
|
|
# format type: e.g 0x00 is "Full", 0x15 is "Quick"
|
|
-r -v int type
|
|
|
|
# the size in bytes derived from Number of Blocks
|
|
-r -v off_t size
|
|
|
|
# the Type Dependent Parameter (usually the write alignment size)
|
|
-r -v unsigned int tdp
|
|
|
|
# >>>
|
|
|
|
@
|
|
=end Class
|
|
|
|
Class=EquipPerformance
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=
|
|
Documentation=\
|
|
>>> EquipPerformance
|
|
Boss=EquipMedia
|
|
Cgen=\
|
|
-l cevapperf
|
|
-r -v struct CevapmediA *boss
|
|
|
|
# >>>
|
|
|
|
@
|
|
=end Class
|
|
|
|
Class=EquipStatus
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=17.3.2007
|
|
Documentation=\
|
|
EquipStatus represents the status of media and drive. This includes
|
|
blank/appendable/closed, progress indicator.
|
|
Boss=EquipMedia
|
|
Cgen=\
|
|
cevapstatus
|
|
-r -v struct CevapmediA *boss
|
|
-v int status
|
|
-m char *status_text
|
|
-v volatile int busy
|
|
|
|
# From various sources : free space on media (in bytes)
|
|
# With CD this might change after particular write
|
|
# parameters have been set and nwa has been inquired.
|
|
-v off_t media_capacity_remaining
|
|
|
|
# Current write address during write jobs. (Next address to be written)
|
|
# <<< does this belong to JOB ?
|
|
-r -v int nwa
|
|
|
|
# if > 0 : first lba on media that is too high for write
|
|
-v int media_lba_limit
|
|
|
|
-v struct CevapprogresS *progress
|
|
|
|
# >>>
|
|
|
|
@
|
|
=end Class
|
|
|
|
Class=EquipMulticaps
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=14.8.2007
|
|
Documentation=\
|
|
EquipMulticaps represents media dependent properties and media states which
|
|
are either volatile or especially interesting to several other modules. This
|
|
includes eventually existing sessions, closure status, profile dependent
|
|
capabilities.
|
|
Boss=EquipMedia
|
|
Cgen=\
|
|
cevapmcaps
|
|
|
|
# The current profile out of the drive profile list
|
|
-v struct CevapprofilE *current_profile
|
|
|
|
# Wether the media is erasable (or overwriteable)
|
|
-v int erasable
|
|
|
|
# A description of the existing media content structure
|
|
-r -m struct CevapdisC *disc
|
|
|
|
# Start and end addresses out of ATIP.
|
|
# From 43h READ TOC/PMA/ATIP , mmc5r03c.pdf , 6.26
|
|
-r -v int start_lba
|
|
-r -v int end_lba
|
|
|
|
# From 51h READ DISC INFORMATION Number of Sessions (-1)
|
|
-v int complete_sessions
|
|
|
|
# From 51h READ DISC INFORMATION Last Track Number in Last Session
|
|
-v int last_track_no
|
|
|
|
# >>> libburn.h:struct burn_multi_caps
|
|
|
|
@
|
|
=end Class
|
|
|
|
Class=EquipTocItem
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=14.8.2007
|
|
Boss=
|
|
Cgen=\
|
|
-l cevaptocitem
|
|
-r -v struct CevapdisC *boss
|
|
-v int session
|
|
-v int valid
|
|
-v int control
|
|
|
|
# obscure info from CD TOC : possibly length of track
|
|
-v unsigned char point
|
|
-v unsigned char min
|
|
-v unsigned char sec
|
|
-v unsigned char frame
|
|
|
|
-v int pmin
|
|
-v int psec
|
|
-v int pframe
|
|
|
|
-v int start_lba
|
|
-v int track_blocks
|
|
@
|
|
=end Class
|
|
|
|
|
|
|
|
=end ClassDiagram=Equip_overview
|
|
|
|
|
|
ClassDiagram=Job_overview
|
|
|
|
Class=JobTodo
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=18.3.2007
|
|
Documentation=\
|
|
JobTodo records what is to be done during a job. This includes peripheral
|
|
actions like tray load/eject and central actions like blank, format, burn.
|
|
Subordinates=JobDisc,JobOptions
|
|
Cgen=\
|
|
cevaptodo
|
|
-v volatile int cancel
|
|
|
|
# >>>
|
|
|
|
@
|
|
=end Class
|
|
|
|
Class=JobDisc
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=18.3.2007
|
|
Documentation=\
|
|
JobDisc models a disc structure. Either one which already exists or
|
|
one which is to be created in a job run.
|
|
Subordinates=JobSession*N
|
|
Boss=JobTodo
|
|
Cgen=\
|
|
cevapdisc
|
|
-l struct CevapsessioN *session
|
|
-p -v struct CevapsessioN *eol_session
|
|
-l struct CevaptociteM *toc_entry
|
|
-p -v struct CevaptociteM *eol_toc_entry
|
|
|
|
# >>> take over services of struct burn_disc
|
|
|
|
@
|
|
=end Class
|
|
|
|
Class=JobSession
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=18.3.2007
|
|
Documentation=\
|
|
JobSession represents a recording session. A session usually bundles
|
|
several tracks. Traditionally the last session of a disc is recognized
|
|
by operating systems as the thing to be mounted.
|
|
Subordinates=JobTrack*N,JobFifo
|
|
Boss=JobDisc
|
|
Cgen=\
|
|
-l cevapsession
|
|
-r -v struct CevapdisC *boss
|
|
|
|
# >>>
|
|
|
|
-l struct CevaptracK *track
|
|
-p -v struct CevaptracK *eol_track
|
|
|
|
# >>>
|
|
|
|
@
|
|
=end Class
|
|
|
|
Class=JobTrack
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=18.3.2007
|
|
Documentation=\
|
|
JobTrack represents a track to be recorded. A track mainly is associated with
|
|
a data source but in many cases it also becomes a recognizable entity on the
|
|
target media.
|
|
Subordinates=JobBlock*N,JobTrackFilter,JobSource
|
|
Boss=JobSession
|
|
Cgen=\
|
|
-l cevaptrack
|
|
-r -v struct CevapsessioN *boss
|
|
|
|
# >>>
|
|
|
|
@
|
|
=end Class
|
|
|
|
Class=JobBlock
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=18.3.2007
|
|
Documentation=\
|
|
JobBlock represents a single output data transaction unit. On CD this is
|
|
the same as an addressable media block resp. sector. On DVD this might be
|
|
an addressable block od 2k or a packet of e.g. 32k.
|
|
Boss=JobTrack
|
|
Cgen=\
|
|
cevapblock
|
|
-v int alba
|
|
-v int rlba
|
|
|
|
# >>>
|
|
|
|
@
|
|
=end Class
|
|
|
|
Class=JobSource
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=8.4.2007
|
|
Documentation=\
|
|
JobSource represents a data source for a track. Typically this is a disk
|
|
file or a stream file descriptor like stdin.
|
|
Subordinates=JobSourceBlock*N
|
|
Boss=JobTrack
|
|
=end Class
|
|
|
|
Class=JobSourceBlock
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=8.4.2007
|
|
Documentation=\
|
|
JobSourceBlock represents a single input data transaction unit.
|
|
Boss=JobSource
|
|
=end Class
|
|
|
|
Class=JobFifo
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=8.4.2007
|
|
Documentation=\
|
|
JobFifo reads data via JobTrackFilter and buffers them until JobBlock can
|
|
accept them.
|
|
Boss=JobSession
|
|
=end Class
|
|
|
|
Class=JobTrackFilter
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=8.4.2007
|
|
Documentation=\
|
|
JobTrackFilter reads data from JobSourceBlock, processes them and presents
|
|
them to JobFifo or JobBlock. This includes stripping of .wav headers.
|
|
Boss=JobTrack
|
|
=end Class
|
|
|
|
Class=JobOptions
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=18.3.2007
|
|
Documentation=\
|
|
JobOptions bundles the adjustable parameters of a job. This includes dummy
|
|
mode, speed, appendability, blank mode, format selection, write mode,
|
|
underrun protection, random access addressing.
|
|
Boss=JobTodo
|
|
Cgen=\
|
|
cevapjobopts
|
|
|
|
# >>>
|
|
|
|
# Keeping an eye on the drive buffer
|
|
-v int wait_for_buffer_free
|
|
-v unsigned int wfb_min_usec
|
|
-v unsigned int wfb_max_usec
|
|
-v unsigned int wfb_timeout_sec
|
|
-v unsigned int wfb_min_percent
|
|
-v unsigned int wfb_max_percent
|
|
|
|
# >>> -m struct params params (used by disabled read cd funtionality)
|
|
|
|
@
|
|
=end Class
|
|
|
|
Class=JobBuffer
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=13.8.2007
|
|
Documentation=\
|
|
JobBuffer is an intermediate storage for the content of several JobBlock
|
|
or JobSourceBlock.
|
|
Cgen=\
|
|
cevapbuffer
|
|
-r -m unsigned char *data
|
|
-v int sectors
|
|
-v int bytes
|
|
@
|
|
=end Class
|
|
|
|
Class=JobProgress
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=13.8.2007
|
|
Documentation=\
|
|
JobProgress reflects the state and parts of the history of a job
|
|
Cgen=\
|
|
cevapprogress
|
|
|
|
# Keeping an eye on the drive buffer
|
|
-v int nominal_write_speed
|
|
-v off_t pessimistic_buffer_free
|
|
-v int pbf_altered
|
|
-v unsigned int pessimistic_writes
|
|
-v unsigned int waited_writes
|
|
-v unsigned int waited_tries
|
|
-v unsigned int waited_usec
|
|
|
|
# >>> the info provided by struct burn_progress
|
|
|
|
# >>>
|
|
@
|
|
=end Class
|
|
|
|
Class=
|
|
Author=Thomas Schmitt <scdbackup@gmx.net>
|
|
Version=1.0
|
|
Since=
|
|
Documentation=\
|
|
=end Class
|
|
|
|
=end ClassDiagram=Equip_overview
|
|
|
|
|
|
ClassDiagram=Gestures_overview
|
|
|
|
# >>>
|
|
|
|
=end ClassDiagram=Gestures_overview
|
|
|
|
|
|
|
|
=end Model=libdax
|
|
|
|
----------------------------------------------------------------------------
|
|
Notes:
|
|
----------------------------------------------------------------------------
|
|
|
|
Compile cgen:
|
|
( cd libcevap && cc -g -o cgen cgen.c ctyp.c smem.c )
|
|
|
|
Generate C stubs:
|
|
( cd libcevap && ./libcevap_gen.sh )
|
|
|
|
Compile test:
|
|
( cd libcevap && ( rm a.out ; cc -g main.c cevap*.c smem.c ) )
|
|
|
|
----------------------------------------------------------------------------
|
|
|
|
For a description of CgeN see libcevap/cgen.txt
|
|
|
|
The generated code uses smem.[ch] out of one of my BSD licensed projects.
|
|
For a description see end of libcevap/smem.h .
|
|
|
|
------------------------------------------------------------------------
|