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httppeer: expose API descriptor on httpv2peer...
httppeer: expose API descriptor on httpv2peer The API descriptor in wireprotov2 is much more expressive than space-delimited tokens and it will be difficult to define methods to query it in all of the ways we'll want to query it. So let's just declare defeat and expose the API descriptor on the peer instance. As part of this, we define a new interface for version 2 peers, fulfilling a TODO in the process. Differential Revision: https://phab.mercurial-scm.org/D4974
Gregory Szorc - - Load All Authors

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test-wireproto-caching.t
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/ tests / test-wireproto-caching.t
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Gregory Szorc
wireprotov2: support response caching...
 r40057 $ . $TESTDIR/wireprotohelpers.sh
$ cat >> $HGRCPATH << EOF
> [extensions]
> blackbox =
> [blackbox]
> track = simplecache
> EOF
$ hg init server
$ enablehttpv2 server
$ cd server
$ cat >> .hg/hgrc << EOF
> [extensions]
> simplecache = $TESTDIR/wireprotosimplecache.py
> EOF
$ echo a0 > a
$ echo b0 > b
$ hg -q commit -A -m 'commit 0'
$ echo a1 > a
$ hg commit -m 'commit 1'
$ echo b1 > b
$ hg commit -m 'commit 2'
$ echo a2 > a
$ echo b2 > b
$ hg commit -m 'commit 3'
$ hg log -G -T '{rev}:{node} {desc}'
@ 3:50590a86f3ff5d1e9a1624a7a6957884565cc8e8 commit 3
|
o 2:4d01eda50c6ac5f7e89cbe1880143a32f559c302 commit 2
|
o 1:4432d83626e8a98655f062ec1f2a43b07f7fbbb0 commit 1
|
o 0:3390ef850073fbc2f0dfff2244342c8e9229013a commit 0
$ hg --debug debugindex -m
rev linkrev nodeid p1 p2
0 0 992f4779029a3df8d0666d00bb924f69634e2641 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000
1 1 a988fb43583e871d1ed5750ee074c6d840bbbfc8 992f4779029a3df8d0666d00bb924f69634e2641 0000000000000000000000000000000000000000
2 2 a8853dafacfca6fc807055a660d8b835141a3bb4 a988fb43583e871d1ed5750ee074c6d840bbbfc8 0000000000000000000000000000000000000000
3 3 3fe11dfbb13645782b0addafbe75a87c210ffddc a8853dafacfca6fc807055a660d8b835141a3bb4 0000000000000000000000000000000000000000
$ hg serve -p $HGPORT -d --pid-file hg.pid -E error.log
$ cat hg.pid > $DAEMON_PIDS
Performing the same request should result in same result, with 2nd response
coming from cache.
$ sendhttpv2peer << EOF
> command manifestdata
> nodes eval:[b'\x99\x2f\x47\x79\x02\x9a\x3d\xf8\xd0\x66\x6d\x00\xbb\x92\x4f\x69\x63\x4e\x26\x41']
> tree eval:b''
> fields eval:[b'parents']
> EOF
creating http peer for wire protocol version 2
sending manifestdata command
response: gen[
{
b'totalitems': 1
},
{
b'node': b'\x99/Gy\x02\x9a=\xf8\xd0fm\x00\xbb\x92OicN&A',
b'parents': [
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00',
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
]
}
]
$ sendhttpv2peer << EOF
> command manifestdata
> nodes eval:[b'\x99\x2f\x47\x79\x02\x9a\x3d\xf8\xd0\x66\x6d\x00\xbb\x92\x4f\x69\x63\x4e\x26\x41']
> tree eval:b''
> fields eval:[b'parents']
> EOF
creating http peer for wire protocol version 2
sending manifestdata command
response: gen[
{
b'totalitems': 1
},
{
b'node': b'\x99/Gy\x02\x9a=\xf8\xd0fm\x00\xbb\x92OicN&A',
b'parents': [
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00',
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
]
}
]
Sending different request doesn't yield cache hit.
$ sendhttpv2peer << EOF
> command manifestdata
> nodes eval:[b'\x99\x2f\x47\x79\x02\x9a\x3d\xf8\xd0\x66\x6d\x00\xbb\x92\x4f\x69\x63\x4e\x26\x41', b'\xa9\x88\xfb\x43\x58\x3e\x87\x1d\x1e\xd5\x75\x0e\xe0\x74\xc6\xd8\x40\xbb\xbf\xc8']
> tree eval:b''
> fields eval:[b'parents']
> EOF
creating http peer for wire protocol version 2
sending manifestdata command
response: gen[
{
b'totalitems': 2
},
{
b'node': b'\x99/Gy\x02\x9a=\xf8\xd0fm\x00\xbb\x92OicN&A',
b'parents': [
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00',
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
]
},
{
b'node': b'\xa9\x88\xfbCX>\x87\x1d\x1e\xd5u\x0e\xe0t\xc6\xd8@\xbb\xbf\xc8',
b'parents': [
b'\x99/Gy\x02\x9a=\xf8\xd0fm\x00\xbb\x92OicN&A',
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
]
}
]
$ cat .hg/blackbox.log
*> cacher constructed for manifestdata (glob)
Gregory Szorc
wireprotov2: send protocol settings frame from client...
 r40168 *> cache miss for 64b3162af49ea3c88e8ce2785e03ed7b88a2d6ca (glob)
*> storing cache entry for 64b3162af49ea3c88e8ce2785e03ed7b88a2d6ca (glob)
Gregory Szorc
wireprotov2: support response caching...
 r40057 *> cacher constructed for manifestdata (glob)
Gregory Szorc
wireprotov2: send protocol settings frame from client...
 r40168 *> cache hit for 64b3162af49ea3c88e8ce2785e03ed7b88a2d6ca (glob)
Gregory Szorc
wireprotov2: support response caching...
 r40057 *> cacher constructed for manifestdata (glob)
Gregory Szorc
wireprotov2: send protocol settings frame from client...
 r40168 *> cache miss for 1cf89363ec234c6b92d5961281eaa5713e7493f9 (glob)
*> storing cache entry for 1cf89363ec234c6b92d5961281eaa5713e7493f9 (glob)
Gregory Szorc
wireprotov2: support response caching...
 r40057
$ cat error.log
$ killdaemons.py
$ rm .hg/blackbox.log
Try with object caching mode
$ cat >> .hg/hgrc << EOF
> [simplecache]
> cacheobjects = true
> EOF
$ hg serve -p $HGPORT -d --pid-file hg.pid -E error.log
$ cat hg.pid > $DAEMON_PIDS
$ sendhttpv2peer << EOF
> command manifestdata
> nodes eval:[b'\x99\x2f\x47\x79\x02\x9a\x3d\xf8\xd0\x66\x6d\x00\xbb\x92\x4f\x69\x63\x4e\x26\x41']
> tree eval:b''
> fields eval:[b'parents']
> EOF
creating http peer for wire protocol version 2
sending manifestdata command
response: gen[
{
b'totalitems': 1
},
{
b'node': b'\x99/Gy\x02\x9a=\xf8\xd0fm\x00\xbb\x92OicN&A',
b'parents': [
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00',
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
]
}
]
$ sendhttpv2peer << EOF
> command manifestdata
> nodes eval:[b'\x99\x2f\x47\x79\x02\x9a\x3d\xf8\xd0\x66\x6d\x00\xbb\x92\x4f\x69\x63\x4e\x26\x41']
> tree eval:b''
> fields eval:[b'parents']
> EOF
creating http peer for wire protocol version 2
sending manifestdata command
response: gen[
{
b'totalitems': 1
},
{
b'node': b'\x99/Gy\x02\x9a=\xf8\xd0fm\x00\xbb\x92OicN&A',
b'parents': [
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00',
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
]
}
]
$ cat .hg/blackbox.log
*> cacher constructed for manifestdata (glob)
Gregory Szorc
wireprotov2: send protocol settings frame from client...
 r40168 *> cache miss for 64b3162af49ea3c88e8ce2785e03ed7b88a2d6ca (glob)
*> storing cache entry for 64b3162af49ea3c88e8ce2785e03ed7b88a2d6ca (glob)
Gregory Szorc
wireprotov2: support response caching...
 r40057 *> cacher constructed for manifestdata (glob)
Gregory Szorc
wireprotov2: send protocol settings frame from client...
 r40168 *> cache hit for 64b3162af49ea3c88e8ce2785e03ed7b88a2d6ca (glob)
Gregory Szorc
wireprotov2: support response caching...
 r40057
$ cat error.log
$ killdaemons.py
$ rm .hg/blackbox.log
A non-cacheable command does not instantiate cacher
$ hg serve -p $HGPORT -d --pid-file hg.pid -E error.log
$ cat hg.pid > $DAEMON_PIDS
$ sendhttpv2peer << EOF
> command capabilities
> EOF
creating http peer for wire protocol version 2
sending capabilities command
response: gen[
{
b'commands': {
b'branchmap': {
b'args': {},
b'permissions': [
b'pull'
]
},
b'capabilities': {
b'args': {},
b'permissions': [
b'pull'
]
},
b'changesetdata': {
b'args': {
b'fields': {
b'default': set([]),
b'required': False,
b'type': b'set',
b'validvalues': set([
b'bookmarks',
b'parents',
b'phase',
b'revision'
])
},
b'noderange': {
b'default': None,
b'required': False,
b'type': b'list'
},
b'nodes': {
b'default': None,
b'required': False,
b'type': b'list'
},
b'nodesdepth': {
b'default': None,
b'required': False,
b'type': b'int'
}
},
b'permissions': [
b'pull'
]
},
b'filedata': {
b'args': {
b'fields': {
b'default': set([]),
b'required': False,
b'type': b'set',
b'validvalues': set([
b'parents',
b'revision'
])
},
b'haveparents': {
b'default': False,
b'required': False,
b'type': b'bool'
},
b'nodes': {
b'required': True,
b'type': b'list'
},
b'path': {
b'required': True,
b'type': b'bytes'
}
},
b'permissions': [
b'pull'
]
},
b'heads': {
b'args': {
b'publiconly': {
b'default': False,
b'required': False,
b'type': b'bool'
}
},
b'permissions': [
b'pull'
]
},
b'known': {
b'args': {
b'nodes': {
b'default': [],
b'required': False,
b'type': b'list'
}
},
b'permissions': [
b'pull'
]
},
b'listkeys': {
b'args': {
b'namespace': {
b'required': True,
b'type': b'bytes'
}
},
b'permissions': [
b'pull'
]
},
b'lookup': {
b'args': {
b'key': {
b'required': True,
b'type': b'bytes'
}
},
b'permissions': [
b'pull'
]
},
b'manifestdata': {
b'args': {
b'fields': {
b'default': set([]),
b'required': False,
b'type': b'set',
b'validvalues': set([
b'parents',
b'revision'
])
},
b'haveparents': {
b'default': False,
b'required': False,
b'type': b'bool'
},
b'nodes': {
b'required': True,
b'type': b'list'
},
b'tree': {
b'required': True,
b'type': b'bytes'
}
},
b'permissions': [
b'pull'
]
},
b'pushkey': {
b'args': {
b'key': {
b'required': True,
b'type': b'bytes'
},
b'namespace': {
b'required': True,
b'type': b'bytes'
},
b'new': {
b'required': True,
b'type': b'bytes'
},
b'old': {
b'required': True,
b'type': b'bytes'
}
},
b'permissions': [
b'push'
]
}
},
b'framingmediatypes': [
Gregory Szorc
wireprotov2: send protocol settings frame from client...
 r40168 b'application/mercurial-exp-framing-0006'
Gregory Szorc
wireprotov2: support response caching...
 r40057 ],
b'pathfilterprefixes': set([
b'path:',
b'rootfilesin:'
]),
b'rawrepoformats': [
b'generaldelta',
b'revlogv1'
]
}
]
$ test -f .hg/blackbox.log
[1]
An error is not cached
$ sendhttpv2peer << EOF
> command manifestdata
> nodes eval:[b'\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa']
> tree eval:b''
> fields eval:[b'parents']
> EOF
creating http peer for wire protocol version 2
sending manifestdata command
abort: unknown node: \xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa! (esc)
[255]
$ cat .hg/blackbox.log
*> cacher constructed for manifestdata (glob)
Gregory Szorc
wireprotov2: send protocol settings frame from client...
 r40168 *> cache miss for 904560928eb95650358f0829d9399b256822eb26 (glob)
Gregory Szorc
wireprotov2: support response caching...
 r40057 *> cacher exiting due to error (glob)
$ killdaemons.py
$ rm .hg/blackbox.log