Copyright 1997-2003 John D. Polstra.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgment:
* This product includes software developed by John D. Polstra.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
MODULE RegularCreator;
IMPORT
Attic, CVProto, FileAttr, FileStatus, FileUpdater, Logger, OSError,
Pathname, Rd, Receive, SupFileRec, SupMisc, Thread, TokScan, Wr;
REVEAL
T = Public BRANDED OBJECT
attr: FileAttr.T;
isFixup: BOOLEAN;
OVERRIDES
init := Init;
update := Update;
END;
PROCEDURE Init(self: T;
attr: FileAttr.T;
isFixup: BOOLEAN): T =
BEGIN
self.attr := attr;
self.isFixup := isFixup;
RETURN self;
END Init;
PROCEDURE Update(self: T;
sfr: SupFileRec.T;
name: Pathname.T;
toAttic: BOOLEAN;
<*UNUSED*> proto: CVProto.T;
trace: Logger.T;
protoRd: Rd.T;
wr: Wr.T;
VAR status: FileUpdater.Status)
RAISES {FileUpdater.FixupNeeded, Rd.EndOfFile, Rd.Failure,
Thread.Alerted, TokScan.Error, Wr.Failure} =
VAR
srcPath := SupMisc.CatPath(sfr.clientPrefix, name);
origPath := srcPath;
traceKind: TEXT;
wantSum: TEXT;
defaultAttr: FileAttr.T := NIL;
BEGIN
TRY
defaultAttr := Attic.FileAttrFromPathname(srcPath, follow := FALSE);
EXCEPT OSError.E => (* Ignore *) END;
IF self.isFixup THEN
status.updateType := FileUpdater.UpdateType.Fixup;
traceKind := "Fixup";
ELSIF defaultAttr # NIL THEN
status.updateType := FileUpdater.UpdateType.Replace;
traceKind := "Replace";
ELSE
status.updateType := FileUpdater.UpdateType.Create;
traceKind := "Create";
END;
IF toAttic THEN
Logger.Notice(trace, " " & traceKind & " " & name & " -> Attic");
ELSE
Logger.Notice(trace, " " & traceKind & " " & name);
END;
IF defaultAttr # NIL THEN (* Default from the existing file. *)
self.attr := FileAttr.Merge(self.attr, defaultAttr);
ELSE (* Creating a new file. *)
self.attr := FileAttr.Umask(self.attr, sfr.umask);
self.attr := FileAttr.MergeDefault(self.attr);
END;
TRY
wantSum := Receive.Counted(protoRd, wr, FileAttr.GetSize(self.attr),
withChecksum := TRUE);
EXCEPT Receive.Error(msg) =>
RAISE FileUpdater.FixupNeeded(msg);
END;
status.fs := NEW(FileStatus.T,
name := name,
clientAttr := self.attr,
serverAttr := self.attr);
IF toAttic THEN
status.fs.type := FileStatus.Type.FileDead;
ELSE
status.fs.type := FileStatus.Type.FileLive;
END;
status.fromAttic := srcPath # origPath;
status.modified := TRUE;
status.wantSum := wantSum;
END Update;
BEGIN
END RegularCreator.