$ . $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

  > [simplecache]

  > cacheapi = true

  > EOF

  $ echo a0 > a

  $ echo b0 > b

  $ hg -q commit -A -m 'commit 0'

  $ echo a1 > a

  $ hg commit -m 'commit 1'

  $ hg --debug debugindex -m

     rev linkrev nodeid                                   p1                                       p2

       0       0 992f4779029a3df8d0666d00bb924f69634e2641 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000

       1       1 a988fb43583e871d1ed5750ee074c6d840bbbfc8 992f4779029a3df8d0666d00bb924f69634e2641 0000000000000000000000000000000000000000

  $ hg --config simplecache.redirectsfile=redirects.py serve -p $HGPORT -d --pid-file hg.pid -E error.log

  $ cat hg.pid > $DAEMON_PIDS

  $ cat > redirects.py << EOF

  > [

  >   {

  >     b'name': b'target-a',

  >     b'protocol': b'http',

  >     b'snirequired': False,

  >     b'tlsversions': [b'1.2', b'1.3'],

  >     b'uris': [b'http://example.com/'],

  >   },

  > ]

  > EOF

Redirect targets advertised when configured

  $ sendhttpv2peerhandshake << EOF

  > command capabilities

  > EOF

  creating http peer for wire protocol version 2

  s>     GET /?cmd=capabilities HTTP/1.1\r\n

  s>     Accept-Encoding: identity\r\n

  s>     vary: X-HgProto-1,X-HgUpgrade-1\r\n

  s>     x-hgproto-1: cbor\r\n

  s>     x-hgupgrade-1: exp-http-v2-0002\r\n

  s>     accept: application/mercurial-0.1\r\n

  s>     host: $LOCALIP:$HGPORT\r\n (glob)

  s>     user-agent: Mercurial debugwireproto\r\n

  s>     \r\n

  s> makefile('rb', None)

  s>     HTTP/1.1 200 OK\r\n

  s>     Server: testing stub value\r\n

  s>     Date: $HTTP_DATE$\r\n

  s>     Content-Type: application/mercurial-cbor\r\n

  s>     Content-Length: 1970\r\n

  s>     \r\n

  s>     \xa3GapibaseDapi/Dapis\xa1Pexp-http-v2-0002\xa6Hcommands\xaaIbranchmap\xa2Dargs\xa0Kpermissions\x81DpullLcapabilities\xa2Dargs\xa0Kpermissions\x81DpullMchangesetdata\xa2Dargs\xa4Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x84IbookmarksGparentsEphaseHrevisionInoderange\xa3Gdefault\xf6Hrequired\xf4DtypeDlistEnodes\xa3Gdefault\xf6Hrequired\xf4DtypeDlistJnodesdepth\xa3Gdefault\xf6Hrequired\xf4DtypeCintKpermissions\x81DpullHfiledata\xa2Dargs\xa4Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x82GparentsHrevisionKhaveparents\xa3Gdefault\xf4Hrequired\xf4DtypeDboolEnodes\xa2Hrequired\xf5DtypeDlistDpath\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullEheads\xa2Dargs\xa1Jpubliconly\xa3Gdefault\xf4Hrequired\xf4DtypeDboolKpermissions\x81DpullEknown\xa2Dargs\xa1Enodes\xa3Gdefault\x80Hrequired\xf4DtypeDlistKpermissions\x81DpullHlistkeys\xa2Dargs\xa1Inamespace\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullFlookup\xa2Dargs\xa1Ckey\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullLmanifestdata\xa2Dargs\xa4Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x82GparentsHrevisionKhaveparents\xa3Gdefault\xf4Hrequired\xf4DtypeDboolEnodes\xa2Hrequired\xf5DtypeDlistDtree\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullGpushkey\xa2Dargs\xa4Ckey\xa2Hrequired\xf5DtypeEbytesInamespace\xa2Hrequired\xf5DtypeEbytesCnew\xa2Hrequired\xf5DtypeEbytesCold\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpushKcompression\x82\xa1DnameDzstd\xa1DnameDzlibQframingmediatypes\x81X&application/mercurial-exp-framing-0005Rpathfilterprefixes\xd9\x01\x02\x82Epath:Lrootfilesin:Nrawrepoformats\x82LgeneraldeltaHrevlogv1Hredirect\xa2Fhashes\x82Fsha256Dsha1Gtargets\x81\xa5DnameHtarget-aHprotocolDhttpKsnirequired\xf4Ktlsversions\x82C1.2C1.3Duris\x81Shttp://example.com/Nv1capabilitiesY\x01\xd8batch branchmap $USUAL_BUNDLE2_CAPS$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash

  (remote redirect target target-a is compatible)

  sending capabilities command

  s>     POST /api/exp-http-v2-0002/ro/capabilities HTTP/1.1\r\n

  s>     Accept-Encoding: identity\r\n

  s>     accept: application/mercurial-exp-framing-0005\r\n

  s>     content-type: application/mercurial-exp-framing-0005\r\n

  s>     content-length: 75\r\n

  s>     host: $LOCALIP:$HGPORT\r\n (glob)

  s>     user-agent: Mercurial debugwireproto\r\n

  s>     \r\n

  s>     C\x00\x00\x01\x00\x01\x01\x11\xa2DnameLcapabilitiesHredirect\xa2Fhashes\x82Fsha256Dsha1Gtargets\x81Htarget-a

  s> makefile('rb', None)

  s>     HTTP/1.1 200 OK\r\n

  s>     Server: testing stub value\r\n

  s>     Date: $HTTP_DATE$\r\n

  s>     Content-Type: application/mercurial-exp-framing-0005\r\n

  s>     Transfer-Encoding: chunked\r\n

  s>     \r\n

  s>     13\r\n

  s>     \x0b\x00\x00\x01\x00\x02\x011

  s>     \xa1FstatusBok

  s>     \r\n

  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)

  s>     5ab\r\n

  s>     \xa3\x05\x00\x01\x00\x02\x001

  s>     \xa6Hcommands\xaaIbranchmap\xa2Dargs\xa0Kpermissions\x81DpullLcapabilities\xa2Dargs\xa0Kpermissions\x81DpullMchangesetdata\xa2Dargs\xa4Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x84IbookmarksGparentsEphaseHrevisionInoderange\xa3Gdefault\xf6Hrequired\xf4DtypeDlistEnodes\xa3Gdefault\xf6Hrequired\xf4DtypeDlistJnodesdepth\xa3Gdefault\xf6Hrequired\xf4DtypeCintKpermissions\x81DpullHfiledata\xa2Dargs\xa4Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x82GparentsHrevisionKhaveparents\xa3Gdefault\xf4Hrequired\xf4DtypeDboolEnodes\xa2Hrequired\xf5DtypeDlistDpath\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullEheads\xa2Dargs\xa1Jpubliconly\xa3Gdefault\xf4Hrequired\xf4DtypeDboolKpermissions\x81DpullEknown\xa2Dargs\xa1Enodes\xa3Gdefault\x80Hrequired\xf4DtypeDlistKpermissions\x81DpullHlistkeys\xa2Dargs\xa1Inamespace\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullFlookup\xa2Dargs\xa1Ckey\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullLmanifestdata\xa2Dargs\xa4Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x82GparentsHrevisionKhaveparents\xa3Gdefault\xf4Hrequired\xf4DtypeDboolEnodes\xa2Hrequired\xf5DtypeDlistDtree\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullGpushkey\xa2Dargs\xa4Ckey\xa2Hrequired\xf5DtypeEbytesInamespace\xa2Hrequired\xf5DtypeEbytesCnew\xa2Hrequired\xf5DtypeEbytesCold\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpushKcompression\x82\xa1DnameDzstd\xa1DnameDzlibQframingmediatypes\x81X&application/mercurial-exp-framing-0005Rpathfilterprefixes\xd9\x01\x02\x82Epath:Lrootfilesin:Nrawrepoformats\x82LgeneraldeltaHrevlogv1Hredirect\xa2Fhashes\x82Fsha256Dsha1Gtargets\x81\xa5DnameHtarget-aHprotocolDhttpKsnirequired\xf4Ktlsversions\x82C1.2C1.3Duris\x81Shttp://example.com/

  s>     \r\n

  received frame(size=1443; request=1; stream=2; streamflags=; type=command-response; flags=continuation)

  s>     8\r\n

  s>     \x00\x00\x00\x01\x00\x02\x002

  s>     \r\n

  s>     0\r\n

  s>     \r\n

  received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)

  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'compression': [

        {

          b'name': b'zstd'

        },

        {

          b'name': b'zlib'

        }

      ],

      b'framingmediatypes': [

        b'application/mercurial-exp-framing-0005'

      ],

      b'pathfilterprefixes': set([

        b'path:',

        b'rootfilesin:'

      ]),

      b'rawrepoformats': [

        b'generaldelta',

        b'revlogv1'

      ],

      b'redirect': {

        b'hashes': [

          b'sha256',

          b'sha1'

        ],

        b'targets': [

          {

            b'name': b'target-a',

            b'protocol': b'http',

            b'snirequired': False,

            b'tlsversions': [

              b'1.2',

              b'1.3'

            ],

            b'uris': [

              b'http://example.com/'

            ]

          }

        ]

      }

    }

  ]

  (sent 2 HTTP requests and * bytes; received * bytes in responses) (glob)

Unknown protocol is filtered from compatible targets

  $ cat > redirects.py << EOF

  > [

  >   {

  >     b'name': b'target-a',

  >     b'protocol': b'http',

  >     b'uris': [b'http://example.com/'],

  >   },

  >   {

  >     b'name': b'target-b',

  >     b'protocol': b'unknown',

  >     b'uris': [b'unknown://example.com/'],

  >   },

  > ]

  > EOF

  $ sendhttpv2peerhandshake << EOF

  > command capabilities

  > EOF

  creating http peer for wire protocol version 2

  s>     GET /?cmd=capabilities HTTP/1.1\r\n

  s>     Accept-Encoding: identity\r\n

  s>     vary: X-HgProto-1,X-HgUpgrade-1\r\n

  s>     x-hgproto-1: cbor\r\n

  s>     x-hgupgrade-1: exp-http-v2-0002\r\n

  s>     accept: application/mercurial-0.1\r\n

  s>     host: $LOCALIP:$HGPORT\r\n (glob)

  s>     user-agent: Mercurial debugwireproto\r\n

  s>     \r\n

  s> makefile('rb', None)

  s>     HTTP/1.1 200 OK\r\n

  s>     Server: testing stub value\r\n

  s>     Date: $HTTP_DATE$\r\n

  s>     Content-Type: application/mercurial-cbor\r\n

  s>     Content-Length: 1997\r\n

  s>     \r\n

  s>     \xa3GapibaseDapi/Dapis\xa1Pexp-http-v2-0002\xa6Hcommands\xaaIbranchmap\xa2Dargs\xa0Kpermissions\x81DpullLcapabilities\xa2Dargs\xa0Kpermissions\x81DpullMchangesetdata\xa2Dargs\xa4Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x84IbookmarksGparentsEphaseHrevisionInoderange\xa3Gdefault\xf6Hrequired\xf4DtypeDlistEnodes\xa3Gdefault\xf6Hrequired\xf4DtypeDlistJnodesdepth\xa3Gdefault\xf6Hrequired\xf4DtypeCintKpermissions\x81DpullHfiledata\xa2Dargs\xa4Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x82GparentsHrevisionKhaveparents\xa3Gdefault\xf4Hrequired\xf4DtypeDboolEnodes\xa2Hrequired\xf5DtypeDlistDpath\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullEheads\xa2Dargs\xa1Jpubliconly\xa3Gdefault\xf4Hrequired\xf4DtypeDboolKpermissions\x81DpullEknown\xa2Dargs\xa1Enodes\xa3Gdefault\x80Hrequired\xf4DtypeDlistKpermissions\x81DpullHlistkeys\xa2Dargs\xa1Inamespace\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullFlookup\xa2Dargs\xa1Ckey\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullLmanifestdata\xa2Dargs\xa4Ffields\xa4Gdefault\xd9\x01\x02\x80Hrequired\xf4DtypeCsetKvalidvalues\xd9\x01\x02\x82GparentsHrevisionKhaveparents\xa3Gdefault\xf4Hrequired\xf4DtypeDboolEnodes\xa2Hrequired\xf5DtypeDlistDtree\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpullGpushkey\xa2Dargs\xa4Ckey\xa2Hrequired\xf5DtypeEbytesInamespace\xa2Hrequired\xf5DtypeEbytesCnew\xa2Hrequired\xf5DtypeEbytesCold\xa2Hrequired\xf5DtypeEbytesKpermissions\x81DpushKcompression\x82\xa1DnameDzstd\xa1DnameDzlibQframingmediatypes\x81X&application/mercurial-exp-framing-0005Rpathfilterprefixes\xd9\x01\x02\x82Epath:Lrootfilesin:Nrawrepoformats\x82LgeneraldeltaHrevlogv1Hredirect\xa2Fhashes\x82Fsha256Dsha1Gtargets\x82\xa3DnameHtarget-aHprotocolDhttpDuris\x81Shttp://example.com/\xa3DnameHtarget-bHprotocolGunknownDuris\x81Vunknown://example.com/Nv1capabilitiesY\x01\xd8batch branchmap $USUAL_BUNDLE2_CAPS$ changegroupsubset compression=$BUNDLE2_COMPRESSIONS$ getbundle httpheader=1024 httpmediatype=0.1rx,0.1tx,0.2tx known lookup pushkey streamreqs=generaldelta,revlogv1 unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash

  (remote redirect target target-a is compatible)

  (remote redirect target target-b uses unsupported protocol: unknown)

  sending capabilities command

  s>     POST /api/exp-http-v2-0002/ro/capabilities HTTP/1.1\r\n

  s>     Accept-Encoding: identity\r\n

  s>     accept: application/mercurial-exp-framing-0005\r\n

  s>     content-type: application/mercurial-exp-framing-0005\r\n

  s>     content-length: 75\r\n

  s>     host: $LOCALIP:$HGPORT\r\n (glob)

  s>     user-agent: Mercurial debugwireproto\r\n

  s>     \r\n

  s>     C\x00\x00\x01\x00\x01\x01\x11\xa2DnameLcapabilitiesHredirect\xa2Fhashes\x82Fsha256Dsha1Gtargets\x81Htarget-a

  s> makefile('rb', None)