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inotify: server: new data structure to keep track of changes....
inotify: server: new data structure to keep track of changes. == Rationale for the new structure == Current structure was a dictionary tree. One directory was tracked as a dictionary: - keys: file/subdir name - values: - for a file, the status (a/r/m/...) - for a subdir, the directory representing the subdir It allowed efficient lookups, no matter of the type of the terminal leaf: for part in path.split('/'): tree = tree[part] However, there is no way to represent a directory and a file with the same name because keys are conflicting in the dictionary. Concrete example: Initial state: root dir |- foo (file) |- bar (file) # data state is: {'foo': 'n', 'bar': 'n'} Remove foo: root dir |- bar (file) # Data becomes {'foo': 'r'} until next commit. Add foo, as a directory, and foo/barbar file: root dir |- bar (file) |-> foo (dir) |- barbar (file) # New state should be represented as: {'foo': {'barbar': 'a'}, 'bar': 'n'} however, the key "foo" is already used and represents the old file. The dirstate: D foo A foo/barbar cannot be represented, hence the need for a new structure. == The new structure == 'directory' class. Represents one directory level. * Notable attributes: Two dictionaries: - 'files' Maps filename -> status for the current dir. - 'dirs' Maps subdir's name -> directory object representing the subdir * methods - walk(), formerly server.walk - lookup(), old server.lookup - dir(), old server.dir This new class allows embedding all the tree walks/lookups in its own class, instead of having everything mixed together in server. Incidently, since files and directories are not stored in the same dictionaries, we are solving the previous key conflict problem. The small drawback is that lookup operation is a bit more complex: for a path a/b/c/d/e we have to check twice the leaf, if e is a directory or a file.

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test-serve
43 lines | 840 B | text/plain | TextLexer
Joel Rosdahl
Add test reproducing a bug in "hg serve -v"
r4504 #!/bin/sh
Patrick Mezard
test-serve: replace copy/paste with shell function
r6300 hgserve()
{
Dirkjan Ochtman
tests: easier error diagnostics for test-serve
r6461 hg serve -a localhost -p $HGPORT1 -d --pid-file=hg.pid -E errors.log -v $@ \
Dirkjan Ochtman
fix test-serve breakage for other hostnames
r6331 | sed -e 's/:[0-9][0-9]*//g' -e 's/http:\/\/[^/]*\//http:\/\/localhost\//'
Patrick Mezard
test-serve: replace copy/paste with shell function
r6300 cat hg.pid >> "$DAEMON_PIDS"
Dirkjan Ochtman
tests: easier error diagnostics for test-serve
r6461 echo % errors
cat errors.log
Patrick Mezard
test-serve: replace copy/paste with shell function
r6300 sleep 1
kill `cat hg.pid`
sleep 1
}
Joel Rosdahl
Add test reproducing a bug in "hg serve -v"
r4504 hg init test
cd test
Alexis S. L. Carvalho
serve: respect settings from .hg/hgrc...
r4835 echo '[web]' > .hg/hgrc
echo 'accesslog = access.log' >> .hg/hgrc
Joel Rosdahl
Add test reproducing a bug in "hg serve -v"
r4504 echo % Without -v
Dirkjan Ochtman
tests: easier error diagnostics for test-serve
r6461 hg serve -a localhost -p $HGPORT -d --pid-file=hg.pid -E errors.log
Alexis S. L. Carvalho
test-serve: let run-tests.py kill the daemons...
r4506 cat hg.pid >> "$DAEMON_PIDS"
Alexis S. L. Carvalho
serve: respect settings from .hg/hgrc...
r4835 if [ -f access.log ]; then
echo 'access log created - .hg/hgrc respected'
fi
Dirkjan Ochtman
tests: easier error diagnostics for test-serve
r6461 echo % errors
cat errors.log
Joel Rosdahl
Add test reproducing a bug in "hg serve -v"
r4504
echo % With -v
Patrick Mezard
test-serve: replace copy/paste with shell function
r6300 hgserve
Michele Cella
tests for hg serve prefix option
r5971
echo % With --prefix foo
Patrick Mezard
test-serve: replace copy/paste with shell function
r6300 hgserve --prefix foo
Michele Cella
tests for hg serve prefix option
r5971
echo % With --prefix /foo
Patrick Mezard
test-serve: replace copy/paste with shell function
r6300 hgserve --prefix /foo
Michele Cella
tests for hg serve prefix option
r5971
echo % With --prefix foo/
Patrick Mezard
test-serve: replace copy/paste with shell function
r6300 hgserve --prefix foo/
Michele Cella
tests for hg serve prefix option
r5971
echo % With --prefix /foo/
Patrick Mezard
test-serve: replace copy/paste with shell function
r6300 hgserve --prefix /foo/