chore: cleanup and add lsm
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This commit is contained in:
xuu 2024-06-10 21:12:11 -06:00
parent b1bff4cbf0
commit f5027d9bfd
Signed by: xuu
GPG Key ID: 8B3B0604F164E04F
7 changed files with 911 additions and 362 deletions

23
.vscode/launch.json vendored
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@ -1,23 +0,0 @@
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "Launch Package",
"type": "go",
"request": "launch",
"mode": "auto",
"program": "${fileDirname}",
"cwd": "${workspaceFolder}"
},
{
"name": "Attach to Process",
"type": "go",
"request": "attach",
"mode": "local",
"processId": 0
}
]
}

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@ -1,6 +0,0 @@
go 1.22.0
use (
.
../go-tools
)

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@ -1,333 +0,0 @@
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cloud.google.com/go/vision/v2 v2.8.0/go.mod h1:ocqDiA2j97pvgogdyhoxiQp2ZkDCyr0HWpicywGGRhU=
cloud.google.com/go/vmmigration v1.7.5/go.mod h1:pkvO6huVnVWzkFioxSghZxIGcsstDvYiVCxQ9ZH3eYI=
cloud.google.com/go/vmwareengine v1.1.1/go.mod h1:nMpdsIVkUrSaX8UvmnBhzVzG7PPvNYc5BszcvIVudYs=
cloud.google.com/go/vpcaccess v1.7.5/go.mod h1:slc5ZRvvjP78c2dnL7m4l4R9GwL3wDLcpIWz6P/ziig=
cloud.google.com/go/webrisk v1.9.5/go.mod h1:aako0Fzep1Q714cPEM5E+mtYX8/jsfegAuS8aivxy3U=
cloud.google.com/go/websecurityscanner v1.6.5/go.mod h1:QR+DWaxAz2pWooylsBF854/Ijvuoa3FCyS1zBa1rAVQ=
cloud.google.com/go/workflows v1.12.4/go.mod h1:yQ7HUqOkdJK4duVtMeBCAOPiN1ZF1E9pAMX51vpwB/w=
github.com/99designs/gqlgen v0.17.41/go.mod h1:GQ6SyMhwFbgHR0a8r2Wn8fYgEwPxxmndLFPhU63+cJE=
github.com/PuerkitoBio/goquery v1.8.1/go.mod h1:Q8ICL1kNUJ2sXGoAhPGUdYDJvgQgHzJsnnd3H7Ho5jQ=
github.com/alecthomas/kingpin/v2 v2.4.0/go.mod h1:0gyi0zQnjuFk8xrkNKamJoyUo382HRL7ATRpFZCw6tE=
github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE=
github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA=
github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
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github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
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github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/googleapis/enterprise-certificate-proxy v0.3.2/go.mod h1:VLSiSSBs/ksPL8kq3OBOQ6WRI2QnaFynd1DCjZ62+V0=
github.com/googleapis/gax-go/v2 v2.12.0/go.mod h1:y+aIqrI5eb1YGMVJfuV3185Ts/D7qKpsEkdD5+I6QGU=
github.com/gopherjs/gopherjs v0.0.0-20220221023154-0b2280d3ff96/go.mod h1:pRRIvn/QzFLrKfvEz3qUuEhtE/zLCWfreZ6J5gM2i+k=
github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.0/go.mod h1:qmOFXW2epJhM0qSnUUYpldc7gVz2KMQwJ/QYCDIa7XU=
github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
github.com/iancoleman/strcase v0.2.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
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github.com/magiconair/properties v1.8.6/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
github.com/matryer/moq v0.3.3/go.mod h1:RJ75ZZZD71hejp39j4crZLsEDszGk6iH4v4YsWFKH4s=
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github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
github.com/mattn/go-runewidth v0.0.13/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0/go.mod h1:QUyp042oQthUoa9bqDv0ER0wrtXnBruoNd7aNjkbP+k=
github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
github.com/mmcloughlin/professor v0.0.0-20170922221822-6b97112ab8b3/go.mod h1:LQkXsHRSPIEklPCq8OMQAzYNS2NGtYStdNE/ej1oJU8=
github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=
github.com/pelletier/go-toml v1.9.4/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
github.com/pierrec/lz4/v4 v4.1.18/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
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github.com/prometheus/common v0.45.0/go.mod h1:YJmSTw9BoKxJplESWWxlbyttQR4uaEcGyv9MZjVOJsY=
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github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
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github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/spf13/afero v1.8.2/go.mod h1:CtAatgMJh6bJEIs48Ay/FOnkljP3WeGUG0MC1RfAqwo=
github.com/spf13/cast v1.4.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
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github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
github.com/spf13/viper v1.10.1/go.mod h1:IGlFPqhNAPKRxohIzWpI5QEy4kuI7tcl5WvR+8qy1rU=
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
github.com/urfave/cli/v2 v2.27.1/go.mod h1:8qnjx1vcq5s2/wpsqoZFndg2CE5tNFyrTvS6SinrnYQ=
github.com/wblakecaldwell/profiler v0.0.0-20150908040756-6111ef1313a1/go.mod h1:3+0F8oLB1rQlbIcRAuqDgGdzNi9X69un/aPz4cUAFV4=
github.com/xhit/go-str2duration/v2 v2.1.0/go.mod h1:ohY8p+0f07DiV6Em5LKB0s2YpLtXVyJfNt1+BlmyAsU=
github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673/go.mod h1:N3UwUGtsrSj3ccvlPHLoLsHnpR27oXr4ZE984MbSER8=
github.com/zeebo/xxh3 v1.0.2/go.mod h1:5NWz9Sef7zIDm2JHfFlcQvNekmcEl9ekUZQQKCYaDcA=
go.einride.tech/aip v0.66.0/go.mod h1:qAhMsfT7plxBX+Oy7Huol6YUvZ0ZzdUz26yZsQwfl1M=
go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
go.opentelemetry.io/contrib v1.21.1/go.mod h1:usW9bPlrjHiJFbK0a6yK/M5wNHs3nLmtrT3vzhoD3co=
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.47.0/go.mod h1:r9vWsPS/3AQItv3OSlEJ/E4mbrhUbbw18meOjArPtKQ=
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.47.0/go.mod h1:SK2UL73Zy1quvRPonmOmRDiWk1KBV3LyIeeIxcEApWw=
go.opentelemetry.io/otel v1.21.0/go.mod h1:QZzNPQPm1zLX4gZK4cMi+71eaorMSGT3A4znnUvNNEo=
go.opentelemetry.io/otel v1.22.0/go.mod h1:eoV4iAi3Ea8LkAEI9+GFT44O6T/D0GWAVFyZVCC6pMI=
go.opentelemetry.io/otel v1.23.0/go.mod h1:YCycw9ZeKhcJFrb34iVSkyT0iczq/zYDtZYFufObyB0=
go.opentelemetry.io/otel/metric v1.21.0/go.mod h1:o1p3CA8nNHW8j5yuQLdc1eeqEaPfzug24uvsyIEJRWM=
go.opentelemetry.io/otel/metric v1.22.0/go.mod h1:evJGjVpZv0mQ5QBRJoBF64yMuOf4xCWdXjK8pzFvliY=
go.opentelemetry.io/otel/metric v1.23.0/go.mod h1:MqUW2X2a6Q8RN96E2/nqNoT+z9BSms20Jb7Bbp+HiTo=
go.opentelemetry.io/otel/sdk v1.21.0/go.mod h1:Nna6Yv7PWTdgJHVRD9hIYywQBRx7pbox6nwBnZIxl/E=
go.opentelemetry.io/otel/trace v1.21.0/go.mod h1:LGbsEB0f9LGjN+OZaQQ26sohbOmiMR+BaslueVtS/qQ=
go.opentelemetry.io/otel/trace v1.22.0/go.mod h1:RbbHXVqKES9QhzZq/fE5UnOSILqRt40a21sPw2He1xo=
go.opentelemetry.io/otel/trace v1.23.0/go.mod h1:GSGTbIClEsuZrGIzoEHqsVfxgn5UkggkflQwDScNUsk=
golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
golang.org/x/net v0.18.0/go.mod h1:/czyP5RqHAH4odGYxBJ1qz0+CE5WZ+2j1YgoEo8F2jQ=
golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.12.0/go.mod h1:A74bZ3aGXgCY0qaIC9Ahg6Lglin4AMAco8cIv9baba4=
golang.org/x/oauth2 v0.14.0/go.mod h1:lAtNWgaWfL4cm7j2OV8TxGi9Qb7ECORx8DktCY74OwM=
golang.org/x/oauth2 v0.16.0/go.mod h1:hqZ+0LWXsiVoZpeld6jVt06P3adbS2Uu911W1SsJv2o=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.5.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
golang.org/x/telemetry v0.0.0-20240208230135-b75ee8823808/go.mod h1:KG1lNk5ZFNssSZLrpVb4sMXKMpGwGXOxSG3rnu2gZQQ=
golang.org/x/term v0.18.0/go.mod h1:ILwASektA3OnRv7amZ1xhE/KTR+u50pbXfZ03+6Nx58=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
golang.org/x/tools v0.17.0/go.mod h1:xsh6VxdV005rRVaS6SSAf9oiAqljS7UZUacMZ8Bnsps=
golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028/go.mod h1:NDW/Ps6MPRej6fsCIbMTohpP40sJ/P/vI1MoTEGwX90=
google.golang.org/api v0.162.0/go.mod h1:6SulDkfoBIg4NFmCuZ39XeeAgSHCPecfSUuDyYlAHs0=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
google.golang.org/genproto v0.0.0-20231106174013-bbf56f31fb17/go.mod h1:J7XzRzVy1+IPwWHZUzoD0IccYZIrXILAQpc+Qy9CMhY=
google.golang.org/genproto v0.0.0-20240116215550-a9fa1716bcac/go.mod h1:+Rvu7ElI+aLzyDQhpHMFMMltsD6m7nqpuWDd2CwJw3k=
google.golang.org/genproto v0.0.0-20240125205218-1f4bbc51befe/go.mod h1:cc8bqMqtv9gMOr0zHg2Vzff5ULhhL2IXP4sbcn32Dro=
google.golang.org/genproto v0.0.0-20240205150955-31a09d347014/go.mod h1:xEgQu1e4stdSSsxPDK8Azkrk/ECl5HvdPf6nbZrTS5M=
google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17/go.mod h1:0xJLfVdJqpAPl8tDg1ujOCGzx6LFLttXT5NhllGOXY4=
google.golang.org/genproto/googleapis/api v0.0.0-20240102182953-50ed04b92917/go.mod h1:CmlNWB9lSezaYELKS5Ym1r44VrrbPUa7JTvw+6MbpJ0=
google.golang.org/genproto/googleapis/api v0.0.0-20240125205218-1f4bbc51befe/go.mod h1:4jWUdICTdgc3Ibxmr8nAJiiLHwQBY0UI0XZcEMaFKaA=
google.golang.org/genproto/googleapis/api v0.0.0-20240205150955-31a09d347014/go.mod h1:rbHMSEDyoYX62nRVLOCc4Qt1HbsdytAYoVwgjiOhF3I=
google.golang.org/genproto/googleapis/bytestream v0.0.0-20240125205218-1f4bbc51befe/go.mod h1:SCz6T5xjNXM4QFPRwxHcfChp7V+9DcXR3ay2TkHR8Tg=
google.golang.org/genproto/googleapis/rpc v0.0.0-20231106174013-bbf56f31fb17/go.mod h1:oQ5rr10WTTMvP4A36n8JpR1OrO1BEiV4f78CneXZxkA=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240102182953-50ed04b92917/go.mod h1:xtjpI3tXFPP051KaWnhvxkiubL/6dJ18vLVf7q2pTOU=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240125205218-1f4bbc51befe/go.mod h1:PAREbraiVEVGVdTZsVWjSbbTtSyGbAgIIvni8a8CD5s=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240205150955-31a09d347014/go.mod h1:SaPjaZGWb0lPqs6Ittu0spdfrOArqji4ZdeP5IC/9N4=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
google.golang.org/grpc v1.60.1/go.mod h1:OlCHIeLYqSSsLi6i49B5QGdzaMZK9+M7LXN2FKz4eGM=
google.golang.org/grpc v1.61.0/go.mod h1:VUbo7IFqmF1QtCAstipjG0GIoq49KvMe9+h1jFLBNJs=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
gopkg.in/ini.v1 v1.66.4/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
lukechampine.com/uint128 v1.2.0/go.mod h1:c4eWIwlEGaxC/+H1VguhU4PHXNWDCDMUlWdIWl2j1gk=
modernc.org/cc/v3 v3.41.0/go.mod h1:Ni4zjJYJ04CDOhG7dn640WGfwBzfE0ecX8TyMB0Fv0Y=
modernc.org/ccgo/v3 v3.16.15/go.mod h1:yT7B+/E2m43tmMOT51GMoM98/MtHIcQQSleGnddkUNI=
modernc.org/opt v0.1.3/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0=

138
lsm/marshal.go Normal file
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package lsm
import (
"bytes"
"encoding"
"encoding/binary"
"fmt"
)
type entry struct {
key string
value uint64
}
// MarshalBinary implements encoding.BinaryMarshaler.
func (e *entry) MarshalBinary() (data []byte, err error) {
data = make([]byte, len(e.key), len(e.key)+binary.MaxVarintLen16)
copy(data, e.key)
data = binary.AppendUvarint(data, e.value)
reverse(data[len(e.key):])
return data, err
}
// UnmarshalBinary implements encoding.BinaryUnmarshaler.
func (e *entry) UnmarshalBinary(data []byte) error {
// fmt.Println("unmarshal", data, string(data))
if len(data) < binary.MaxVarintLen16 {
return fmt.Errorf("%w: bad data", ErrDecode)
}
head := make([]byte, binary.MaxVarintLen16)
copy(head, data[max(0, len(data)-cap(head)):])
reverse(head)
size := 0
e.value, size = binary.Uvarint(head)
if size == 0 {
return fmt.Errorf("%w: invalid data", ErrDecode)
}
e.key = string(data[:len(data)-size])
return nil
}
var _ encoding.BinaryMarshaler = (*entry)(nil)
var _ encoding.BinaryUnmarshaler = (*entry)(nil)
type entries []entry
// MarshalBinary implements encoding.BinaryMarshaler.
func (lis *entries) MarshalBinary() (data []byte, err error) {
var buf bytes.Buffer
for _, e := range *lis {
d, err := e.MarshalBinary()
if err != nil {
return nil, err
}
_, err = buf.Write(d)
if err != nil {
return nil, err
}
_, err = buf.Write(reverse(binary.AppendUvarint(make([]byte, 0, binary.MaxVarintLen32), uint64(len(d)))))
if err != nil {
return nil, err
}
}
return buf.Bytes(), err
}
// UnmarshalBinary implements encoding.BinaryUnmarshaler.
func (lis *entries) UnmarshalBinary(data []byte) error {
head := make([]byte, binary.MaxVarintLen16)
pos := uint64(len(data))
for pos > 0 {
copy(head, data[max(0, pos-uint64(cap(head))):])
length, size := binary.Uvarint(reverse(head))
e := entry{}
if err := e.UnmarshalBinary(data[max(0, pos-(length+uint64(size))) : pos-uint64(size)]); err != nil {
return err
}
*lis = append(*lis, e)
pos -= length + uint64(size)
}
reverse(*lis)
return nil
}
var _ encoding.BinaryMarshaler = (*entries)(nil)
var _ encoding.BinaryUnmarshaler = (*entries)(nil)
type segment struct {
entries entries
}
// MarshalBinary implements encoding.BinaryMarshaler.
func (s *segment) MarshalBinary() (data []byte, err error) {
head := header{
entries: uint64(len(s.entries)),
}
data, err = s.entries.MarshalBinary()
if err != nil {
return nil, err
}
head.datalen = uint64(len(data))
h := hash()
h.Write(data)
head.sig = h.Sum(nil)
return head.Append(data), err
}
// UnmarshalBinary implements encoding.BinaryUnmarshaler.
func (s *segment) UnmarshalBinary(data []byte) error {
head, err := ReadHead(data)
if err != nil {
return err
}
h := hash()
h.Write(data[:head.datalen])
if !bytes.Equal(head.sig, h.Sum(nil)) {
return fmt.Errorf("%w: invalid checksum", ErrDecode)
}
s.entries = make(entries, 0, head.entries)
return s.entries.UnmarshalBinary(data[:head.datalen])
}

76
lsm/marshal_test.go Normal file
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@ -0,0 +1,76 @@
package lsm
import (
"io/fs"
"testing"
"github.com/matryer/is"
)
func TestEncoding(t *testing.T) {
is := is.New(t)
data := segment{entries: entries{
{"key-1", 1},
{"key-2", 2},
{"key-3", 3},
{"longerkey-4", 65535},
}}
b, err := data.MarshalBinary()
is.NoErr(err)
var got segment
err = got.UnmarshalBinary(b)
is.NoErr(err)
is.Equal(data, got)
}
func TestReverse(t *testing.T) {
is := is.New(t)
got := []byte("gnirts a si siht")
reverse(got)
is.Equal(got, []byte("this is a string"))
got = []byte("!gnirts a si siht")
reverse(got)
is.Equal(got, []byte("this is a string!"))
}
func TestFile(t *testing.T) {
is := is.New(t)
entries := entries {
{"key-1", 1},
{"key-2", 2},
{"key-3", 3},
{"longerkey-4", 65535},
}
f := basicFile(t, entries, entries, entries)
sf, err := ReadFile(f)
is.NoErr(err)
is.Equal(len(sf.segments), 3)
}
func basicFile(t *testing.T, lis ...entries) fs.File {
t.Helper()
segments := make([][]byte, len(lis))
var err error
for i, entries := range lis {
data := segment{entries: entries}
segments[i], err = data.MarshalBinary()
if err != nil {
t.Error(err)
}
}
return NewFile(segments...)
}

370
lsm/sst.go Normal file
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@ -0,0 +1,370 @@
// SPDX-FileCopyrightText: 2023 Jon Lundy <jon@xuu.cc>
// SPDX-License-Identifier: BSD-3-Clause
// lsm -- Log Structured Merge-Tree
//
// This is a basic LSM tree using a SSTable optimized for append only writing. On disk data is organized into time ordered
// files of segments, containing reverse sorted keys. Each segment ends with a magic value `Souris\x01`, a 4byte hash, count of
// segment entries, and data length.
package lsm
import (
"bytes"
"encoding"
"encoding/binary"
"errors"
"fmt"
"hash/fnv"
"io"
"io/fs"
"sort"
)
var (
magic = reverse(append([]byte("Souris"), '\x01'))
hash = fnv.New32a
hashLength = hash().Size()
// segmentSize = 2 ^ 16 // min 2^9 = 512b, max? 2^20 = 1M
segmentFooterLength = len(magic) + hashLength + binary.MaxVarintLen32 + binary.MaxVarintLen32
)
type header struct {
sig []byte // 4Byte signature
entries uint64 // count of entries in segment
datalen uint64 // length of data
headlen uint64 // length of header
end int64 // location of end of data/start of header (start of data is `end - datalen`)
}
// ReadHead parse header from a segment. reads from the end of slice of length segmentFooterLength
func ReadHead(data []byte) (*header, error) {
if len(data) < len(magic)+6 {
return nil, fmt.Errorf("%w: invalid size", ErrDecode)
}
if !bytes.Equal(data[len(data)-len(magic):], magic) {
return nil, fmt.Errorf("%w: invalid header", ErrDecode)
}
head := make([]byte, 0, segmentFooterLength)
head = reverse(append(head, data[max(0, len(data)-cap(head)-1):]...))
size, s := binary.Uvarint(head[len(magic)+4:])
length, i := binary.Uvarint(head[len(magic)+4+s:])
return &header{
sig: head[len(magic) : len(magic)+4],
entries: size,
datalen: length,
headlen: uint64(len(magic) + hashLength + s + i),
end: int64(len(data)),
}, nil
}
func (h *header) Append(data []byte) []byte {
length := len(data)
data = append(data, h.sig...)
data = binary.AppendUvarint(data, h.entries)
data = binary.AppendUvarint(data, h.datalen)
reverse(data[length:])
return append(data, magic...)
}
var _ encoding.BinaryMarshaler = (*segment)(nil)
var _ encoding.BinaryUnmarshaler = (*segment)(nil)
var ErrDecode = errors.New("decode")
func reverse[T any](b []T) []T {
l := len(b)
for i := 0; i < l/2; i++ {
b[i], b[l-i-1] = b[l-i-1], b[i]
}
return b
}
// func clone[T ~[]E, E any](e []E) []E {
// return append(e[0:0:0], e...)
// }
type entryBytes []byte
// KeyValue returns the parsed key and value from an entry
func (e entryBytes) KeyValue() ([]byte, uint64) {
if len(e) < 2 {
return nil, 0
}
head := reverse(append(e[0:0:0], e[max(0, len(e)-binary.MaxVarintLen64):]...))
value, i := binary.Uvarint(head)
return append(e[0:0:0], e[:len(e)-i]...), value
}
// NewKeyValue packed into an entry
func NewKeyValue(key []byte, val uint64) entryBytes {
length := len(key)
data := append(key[0:0:0], key...)
data = binary.AppendUvarint(data, val)
reverse(data[length:])
return data
}
type listEntries []entryBytes
// WriteTo implements io.WriterTo.
func (lis *listEntries) WriteTo(wr io.Writer) (int64, error) {
if lis == nil {
return 0, nil
}
head := header{
entries: uint64(len(*lis)),
}
h := hash()
wr = io.MultiWriter(wr, h)
var i int64
for _, b := range *lis {
j, err := wr.Write(b)
i += int64(j)
if err != nil {
return i, err
}
j, err = wr.Write(reverse(binary.AppendUvarint(make([]byte, 0, binary.MaxVarintLen32), uint64(len(b)))))
i += int64(j)
if err != nil {
return i, err
}
}
head.datalen = uint64(i)
head.sig = h.Sum(nil)
b := head.Append([]byte{})
j, err := wr.Write(b)
i += int64(j)
return i, err
}
var _ sort.Interface = listEntries{}
// Len implements sort.Interface.
func (lis listEntries) Len() int {
return len(lis)
}
// Less implements sort.Interface.
func (lis listEntries) Less(i int, j int) bool {
iname, _ := lis[i].KeyValue()
jname, _ := lis[j].KeyValue()
return bytes.Compare(iname, jname) < 0
}
// Swap implements sort.Interface.
func (lis listEntries) Swap(i int, j int) {
lis[i], lis[j] = lis[j], lis[i]
}
type segmentReader struct {
head *header
rd io.ReaderAt
}
// FirstEntry parses the first segment entry from the end of the segment
func (s *segmentReader) FirstEntry() (*entryBytes, error) {
e, _, err := s.readEntryAt(-1)
return e, err
}
func (s *segmentReader) VerifyHash() (bool, error) {
h := hash()
data := make([]byte, s.head.datalen)
_, err := s.rd.ReadAt(data, s.head.end-int64(s.head.datalen))
if err != nil {
return false, err
}
_, err = h.Write(data)
ok := bytes.Equal(h.Sum(nil), s.head.sig)
return ok, err
}
// Find locates needle within a segment. if it cant find it will return the nearest key before needle.
func (s *segmentReader) Find(needle []byte, first bool) (*entryBytes, bool, error) {
if s == nil {
return nil, false, nil
}
e, pos, err := s.readEntryAt(-1)
if err != nil {
return nil, false, err
}
last := e
found := false
for pos > 0 {
key, _ := e.KeyValue()
switch bytes.Compare(key, needle) {
case 1: // key=ccc, needle=bbb
return last, found, nil
case 0: // equal
if first {
return e, true, nil
}
found = true
fallthrough
case -1: // key=aaa, needle=bbb
last = e
e, pos, err = s.readEntryAt(pos)
if err != nil {
return nil, found, err
}
}
}
return last, found, nil
}
func (s *segmentReader) readEntryAt(pos int64) (*entryBytes, int64, error) {
if pos < 0 {
pos = s.head.end
}
head := make([]byte, binary.MaxVarintLen16)
s.rd.ReadAt(head, pos-binary.MaxVarintLen16)
length, hsize := binary.Uvarint(reverse(head))
e := make(entryBytes, length)
_, err := s.rd.ReadAt(e, pos-int64(length)-int64(hsize))
return &e, pos - int64(length) - int64(hsize), err
}
type logFile struct {
rd interface {
io.ReaderAt
io.WriterTo
}
segments []segmentReader
fs.File
}
func ReadFile(fd fs.File) (*logFile, error) {
l := &logFile{File: fd}
stat, err := fd.Stat()
if err != nil {
return nil, err
}
eof := stat.Size()
if rd, ok := fd.(interface {
io.ReaderAt
io.WriterTo
}); ok {
l.rd = rd
} else {
rd, err := io.ReadAll(fd)
if err != nil {
return nil, err
}
l.rd = bytes.NewReader(rd)
}
head := make([]byte, segmentFooterLength)
for eof > 0 {
_, err = l.rd.ReadAt(head, eof-int64(segmentFooterLength))
if err != nil {
return nil, err
}
s := segmentReader{
rd: l.rd,
}
s.head, err = ReadHead(head)
s.head.end = eof - int64(s.head.headlen)
if err != nil {
return nil, err
}
eof -= int64(s.head.datalen) + int64(s.head.headlen)
l.segments = append(l.segments, s)
}
return l, nil
}
func (l *logFile) Count() int64 {
return int64(len(l.segments))
}
func (l *logFile) LoadSegment(pos int64) (*segmentBytes, error) {
if pos < 0 {
pos = int64(len(l.segments) - 1)
}
if pos > int64(len(l.segments)-1) {
return nil, ErrDecode
}
s := l.segments[pos]
b := make([]byte, s.head.datalen+s.head.headlen)
_, err := l.rd.ReadAt(b, s.head.end-int64(len(b)))
if err != nil {
return nil, err
}
return &segmentBytes{b, -1}, nil
}
func (l *logFile) Find(needle []byte, first bool) (*entryBytes, bool, error) {
var cur, last segmentReader
for _, s := range l.segments {
cur = s
e, err := cur.FirstEntry()
if err != nil {
return nil, false, err
}
k, _ := e.KeyValue()
if first && bytes.Equal(k, needle) {
break
}
if first && bytes.Compare(k, needle) > 0 {
e, ok, err := cur.Find(needle, first)
if ok || err != nil{
return e, ok, err
}
break
}
if !first && bytes.Compare(k, needle) > 0 {
break
}
last = s
}
e, ok, err := last.Find(needle, first)
if ok || err != nil{
return e, ok, err
}
// if by mistake it was not found in the last.. check the next segment.
return cur.Find(needle, first)
}
func (l *logFile) WriteTo(w io.Writer) (int64, error) {
return l.rd.WriteTo(w)
}
type segmentBytes struct {
b []byte
pos int
}
type dataset struct {
rd io.ReaderAt
files []logFile
fs.FS
}
func ReadDataset(fd fs.FS) (*dataset, error) {
panic("not implemented")
}

327
lsm/sst_test.go Normal file
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@ -0,0 +1,327 @@
// SPDX-FileCopyrightText: 2023 Jon Lundy <jon@xuu.cc>
// SPDX-License-Identifier: BSD-3-Clause
package lsm
import (
"bytes"
crand "crypto/rand"
"encoding/base64"
"io"
"io/fs"
"math/rand"
"os"
"sort"
"sync"
"testing"
"time"
"github.com/matryer/is"
)
func TestLargeFile(t *testing.T) {
is := is.New(t)
segCount := 4098
f := randFile(t, 2_000_000, segCount)
sf, err := ReadFile(f)
is.NoErr(err)
is.True(len(sf.segments) <= segCount)
var needle []byte
for i, s := range sf.segments {
e, err := s.FirstEntry()
is.NoErr(err)
k, v := e.KeyValue()
needle = k
t.Logf("Segment-%d: %s = %d", i, k, v)
}
t.Log(f.Stat())
tt, ok, err := sf.Find(needle, true)
is.NoErr(err)
is.True(ok)
key, val := tt.KeyValue()
t.Log(string(key), val)
tt, ok, err = sf.Find([]byte("needle"), false)
is.NoErr(err)
is.True(!ok)
key, val = tt.KeyValue()
t.Log(string(key), val)
tt, ok, err = sf.Find([]byte{'\xff'}, false)
is.NoErr(err)
is.True(!ok)
key, val = tt.KeyValue()
t.Log(string(key), val)
}
func TestLargeFileDisk(t *testing.T) {
is := is.New(t)
segCount := 4098
t.Log("generate large file")
f := randFile(t, 2_000_000, segCount)
fd, err := os.CreateTemp("", "sst*")
is.NoErr(err)
defer func() { t.Log("cleanup:", fd.Name()); fd.Close(); os.Remove(fd.Name()) }()
t.Log("write file:", fd.Name())
_, err = io.Copy(fd, f)
is.NoErr(err)
fd.Seek(0, 0)
sf, err := ReadFile(fd)
is.NoErr(err)
is.True(len(sf.segments) <= segCount)
var needle []byte
for i, s := range sf.segments {
e, err := s.FirstEntry()
is.NoErr(err)
k, v := e.KeyValue()
needle = k
ok, err := s.VerifyHash()
is.NoErr(err)
t.Logf("Segment-%d: %s = %d %t", i, k, v, ok)
is.True(ok)
}
t.Log(f.Stat())
tt, ok, err := sf.Find(needle, false)
is.NoErr(err)
is.True(ok)
key, val := tt.KeyValue()
t.Log(string(key), val)
tt, ok, err = sf.Find([]byte("needle"), false)
is.NoErr(err)
is.True(!ok)
key, val = tt.KeyValue()
t.Log(string(key), val)
tt, ok, err = sf.Find([]byte{'\xff'}, false)
is.NoErr(err)
is.True(!ok)
key, val = tt.KeyValue()
t.Log(string(key), val)
}
func BenchmarkLargeFile(b *testing.B) {
segCount := 4098 / 4
f := randFile(b, 2_000_000, segCount)
sf, err := ReadFile(f)
if err != nil {
b.Error(err)
}
key := make([]byte, 5)
keys := make([][]byte, b.N)
for i := range keys {
_, err = crand.Read(key)
if err != nil {
b.Error(err)
}
keys[i] = []byte(base64.RawURLEncoding.EncodeToString(key))
}
b.Log("ready", b.N)
b.ResetTimer()
okays := 0
each := b.N / 10
for n := 0; n < b.N; n++ {
if each > 0 && n%each == 0 {
b.Log(n)
}
_, ok, err := sf.Find(keys[n], false)
if err != nil {
b.Error(err)
}
if ok {
okays++
}
}
b.Log("okays=", b.N, okays)
}
// TestFindRange is an initial range find for start and stop of a range of needles.
// TODO: start the second query from where the first left off. Use an iterator?
func TestFindRange(t *testing.T) {
is := is.New(t)
f := basicFile(t,
entries{
{"AD", 5},
{"AC", 5},
{"AB", 4},
{"AB", 3},
},
entries{
{"AB", 2},
{"AA", 1},
},
)
sf, err := ReadFile(f)
is.NoErr(err)
var ok bool
var first, last *entryBytes
first, ok, err = sf.Find([]byte("AB"), true)
is.NoErr(err)
key, val := first.KeyValue()
t.Log(string(key), val)
is.True(ok)
is.Equal(key, []byte("AB"))
is.Equal(val, uint64(2))
last, ok, err = sf.Find([]byte("AB"), false)
is.NoErr(err)
key, val = last.KeyValue()
t.Log(string(key), val)
is.True(ok)
is.Equal(key, []byte("AB"))
is.Equal(val, uint64(4))
last, ok, err = sf.Find([]byte("AC"), false)
is.NoErr(err)
key, val = last.KeyValue()
t.Log(string(key), val)
is.True(ok)
is.Equal(key, []byte("AC"))
is.Equal(val, uint64(5))
}
func randFile(t interface {
Helper()
Error(...any)
}, size int, segments int) fs.File {
t.Helper()
lis := make(listEntries, size)
for i := range lis {
key := make([]byte, 5)
_, err := crand.Read(key)
if err != nil {
t.Error(err)
}
key = []byte(base64.RawURLEncoding.EncodeToString(key))
// key := []byte(fmt.Sprintf("key-%05d", i))
lis[i] = NewKeyValue(key, rand.Uint64()%16_777_216)
}
sort.Sort(sort.Reverse(&lis))
each := size / segments
if size%segments != 0 {
each++
}
split := make([]listEntries, segments)
for i := range split {
if (i+1)*each > len(lis) {
split[i] = lis[i*each : i*each+len(lis[i*each:])]
split = split[:i+1]
break
}
split[i] = lis[i*each : (i+1)*each]
}
var b bytes.Buffer
for _, s := range split {
s.WriteTo(&b)
}
return NewFile(b.Bytes())
}
type fakeStat struct {
size int64
}
// IsDir implements fs.FileInfo.
func (*fakeStat) IsDir() bool {
panic("unimplemented")
}
// ModTime implements fs.FileInfo.
func (*fakeStat) ModTime() time.Time {
panic("unimplemented")
}
// Mode implements fs.FileInfo.
func (*fakeStat) Mode() fs.FileMode {
panic("unimplemented")
}
// Name implements fs.FileInfo.
func (*fakeStat) Name() string {
panic("unimplemented")
}
// Size implements fs.FileInfo.
func (s *fakeStat) Size() int64 {
return s.size
}
// Sys implements fs.FileInfo.
func (*fakeStat) Sys() any {
panic("unimplemented")
}
var _ fs.FileInfo = (*fakeStat)(nil)
type rd interface {
io.ReaderAt
io.Reader
}
type fakeFile struct {
stat func() fs.FileInfo
rd
}
func (fakeFile) Close() error { return nil }
func (f fakeFile) Stat() (fs.FileInfo, error) { return f.stat(), nil }
func NewFile(b ...[]byte) fs.File {
in := bytes.Join(b, nil)
rd := bytes.NewReader(in)
size := int64(len(in))
return &fakeFile{stat: func() fs.FileInfo { return &fakeStat{size: size} }, rd: rd}
}
func NewFileFromReader(rd *bytes.Reader) fs.File {
return &fakeFile{stat: func() fs.FileInfo { return &fakeStat{size: int64(rd.Len())} }, rd: rd}
}
type fakeFS struct {
files map[string]*fakeFile
mu sync.RWMutex
}
// Open implements fs.FS.
func (f *fakeFS) Open(name string) (fs.File, error) {
f.mu.RLock()
defer f.mu.RUnlock()
if file, ok := f.files[name]; ok {
return file, nil
}
return nil, fs.ErrNotExist
}
var _ fs.FS = (*fakeFS)(nil)