forked from Deuxfleurs/garage
Implement a queue crate to replace the todo trees
This commit is contained in:
parent
aa8bc6aa88
commit
3b3086d513
21 changed files with 535 additions and 138 deletions
197
Cargo.lock
generated
197
Cargo.lock
generated
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@ -1188,6 +1188,18 @@ dependencies = [
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"subtle",
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]
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[[package]]
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name = "filetime"
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version = "0.2.23"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1ee447700ac8aa0b2f2bd7bc4462ad686ba06baa6727ac149a2d6277f0d240fd"
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dependencies = [
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"cfg-if",
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"libc",
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"redox_syscall 0.4.1",
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"windows-sys 0.52.0",
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]
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[[package]]
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name = "fixedbitset"
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version = "0.4.2"
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@ -1213,6 +1225,15 @@ dependencies = [
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name = "format_table"
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version = "0.1.1"
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[[package]]
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name = "fsevent-sys"
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version = "4.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "76ee7a02da4d231650c7cea31349b889be2f45ddb3ef3032d2ec8185f6313fd2"
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dependencies = [
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"libc",
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]
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[[package]]
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name = "futures"
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version = "0.3.30"
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@ -1325,6 +1346,7 @@ dependencies = [
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"garage_net",
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"garage_rpc",
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"garage_table",
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"garage_todo",
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"garage_util",
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"garage_web",
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"git-version",
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@ -1471,6 +1493,7 @@ dependencies = [
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"garage_net",
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"garage_rpc",
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"garage_table",
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"garage_todo",
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"garage_util",
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"hex",
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"http 1.0.0",
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@ -1557,6 +1580,7 @@ dependencies = [
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"futures-util",
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"garage_db",
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"garage_rpc",
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"garage_todo",
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"garage_util",
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"hex",
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"hexdump",
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@ -1568,6 +1592,15 @@ dependencies = [
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"tracing",
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]
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[[package]]
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name = "garage_todo"
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version = "1.0.1"
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dependencies = [
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"err-derive",
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"tracing",
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"yaque",
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]
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[[package]]
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name = "garage_util"
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version = "1.0.1"
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@ -1583,6 +1616,7 @@ dependencies = [
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"futures",
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"garage_db",
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"garage_net",
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"garage_todo",
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"hex",
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"hexdump",
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"http 1.0.0",
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@ -2112,6 +2146,26 @@ dependencies = [
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"hashbrown 0.14.3",
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]
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[[package]]
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name = "inotify"
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version = "0.9.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f8069d3ec154eb856955c1c0fbffefbf5f3c40a104ec912d4797314c1801abff"
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dependencies = [
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"bitflags 1.3.2",
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"inotify-sys",
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"libc",
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]
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[[package]]
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name = "inotify-sys"
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version = "0.1.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e05c02b5e89bff3b946cedeca278abc628fe811e604f027c45a8aa3cf793d0eb"
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dependencies = [
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"libc",
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]
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[[package]]
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name = "inout"
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version = "0.1.3"
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@ -2268,6 +2322,26 @@ dependencies = [
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"serde_json",
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]
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[[package]]
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name = "kqueue"
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version = "1.0.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7447f1ca1b7b563588a205fe93dea8df60fd981423a768bc1c0ded35ed147d0c"
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dependencies = [
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"kqueue-sys",
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"libc",
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]
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[[package]]
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name = "kqueue-sys"
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version = "1.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ed9625ffda8729b85e45cf04090035ac368927b8cebc34898e7c120f52e4838b"
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dependencies = [
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"bitflags 1.3.2",
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"libc",
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]
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[[package]]
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name = "kube"
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version = "0.88.1"
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@ -2519,6 +2593,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8f3d0b296e374a4e6f3c7b0a1f5a51d748a0d34c85e7dc48fc3fa9a87657fe09"
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dependencies = [
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"libc",
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"log",
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"wasi",
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"windows-sys 0.48.0",
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]
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@ -2583,6 +2658,33 @@ dependencies = [
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"minimal-lexical",
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]
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[[package]]
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name = "notify"
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version = "5.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "729f63e1ca555a43fe3efa4f3efdf4801c479da85b432242a7b726f353c88486"
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dependencies = [
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"bitflags 1.3.2",
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"crossbeam-channel",
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"filetime",
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"fsevent-sys",
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"inotify",
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"kqueue",
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"libc",
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"mio",
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"walkdir",
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"windows-sys 0.45.0",
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]
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[[package]]
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name = "ntapi"
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version = "0.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e8a3895c6391c39d7fe7ebc444a87eb2991b2a0bc718fdabd071eec617fc68e4"
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dependencies = [
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"winapi",
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]
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[[package]]
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name = "nu-ansi-term"
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version = "0.46.0"
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@ -3987,6 +4089,20 @@ dependencies = [
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"unicode-xid",
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]
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[[package]]
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name = "sysinfo"
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version = "0.28.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b4c2f3ca6693feb29a89724516f016488e9aafc7f37264f898593ee4b942f31b"
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dependencies = [
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"cfg-if",
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"core-foundation-sys",
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"libc",
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"ntapi",
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"once_cell",
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"winapi",
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]
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[[package]]
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name = "syslog-tracing"
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version = "0.3.0"
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@ -4733,6 +4849,15 @@ dependencies = [
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"windows-targets 0.52.0",
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]
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[[package]]
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name = "windows-sys"
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version = "0.45.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
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dependencies = [
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"windows-targets 0.42.2",
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]
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[[package]]
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name = "windows-sys"
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version = "0.48.0"
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@ -4751,6 +4876,21 @@ dependencies = [
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"windows-targets 0.52.0",
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]
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[[package]]
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name = "windows-targets"
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version = "0.42.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
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dependencies = [
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"windows_aarch64_gnullvm 0.42.2",
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"windows_aarch64_msvc 0.42.2",
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"windows_i686_gnu 0.42.2",
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"windows_i686_msvc 0.42.2",
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"windows_x86_64_gnu 0.42.2",
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"windows_x86_64_gnullvm 0.42.2",
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"windows_x86_64_msvc 0.42.2",
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]
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[[package]]
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name = "windows-targets"
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version = "0.48.5"
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@ -4781,6 +4921,12 @@ dependencies = [
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"windows_x86_64_msvc 0.52.0",
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]
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[[package]]
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name = "windows_aarch64_gnullvm"
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version = "0.42.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
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[[package]]
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name = "windows_aarch64_gnullvm"
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version = "0.48.5"
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@ -4793,6 +4939,12 @@ version = "0.52.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
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[[package]]
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name = "windows_aarch64_msvc"
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version = "0.42.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
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[[package]]
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name = "windows_aarch64_msvc"
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version = "0.48.5"
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@ -4805,6 +4957,12 @@ version = "0.52.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
|
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|
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[[package]]
|
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name = "windows_i686_gnu"
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version = "0.42.2"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
|
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|
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[[package]]
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name = "windows_i686_gnu"
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version = "0.48.5"
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@ -4817,6 +4975,12 @@ version = "0.52.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
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|
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[[package]]
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name = "windows_i686_msvc"
|
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version = "0.42.2"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
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|
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[[package]]
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name = "windows_i686_msvc"
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version = "0.48.5"
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|
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@ -4829,6 +4993,12 @@ version = "0.52.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
|
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|
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[[package]]
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name = "windows_x86_64_gnu"
|
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version = "0.42.2"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
|
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|
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[[package]]
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name = "windows_x86_64_gnu"
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version = "0.48.5"
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@ -4841,6 +5011,12 @@ version = "0.52.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
|
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|
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[[package]]
|
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name = "windows_x86_64_gnullvm"
|
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version = "0.42.2"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
|
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|
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[[package]]
|
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name = "windows_x86_64_gnullvm"
|
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version = "0.48.5"
|
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|
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@ -4853,6 +5029,12 @@ version = "0.52.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
|
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|
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[[package]]
|
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name = "windows_x86_64_msvc"
|
||||
version = "0.42.2"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
|
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|
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[[package]]
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name = "windows_x86_64_msvc"
|
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version = "0.48.5"
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@ -4896,6 +5078,21 @@ version = "0.8.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "53be06678ed9e83edb1745eb72efc0bbcd7b5c3c35711a860906aed827a13d61"
|
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|
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[[package]]
|
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name = "yaque"
|
||||
version = "0.6.6"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "487f1a92dacd945cc5bc78a8193cc00b9a2cce3c07746ca51533f513843f40d2"
|
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dependencies = [
|
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"futures",
|
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"lazy_static",
|
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"log",
|
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"notify",
|
||||
"rand",
|
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"semver",
|
||||
"sysinfo",
|
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]
|
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|
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[[package]]
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name = "zerocopy"
|
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version = "0.7.32"
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@ -2,6 +2,7 @@
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resolver = "2"
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members = [
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"src/db",
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"src/todo",
|
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"src/util",
|
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"src/net",
|
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"src/rpc",
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@ -24,6 +25,7 @@ format_table = { version = "0.1.1", path = "src/format-table" }
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garage_api = { version = "1.0.1", path = "src/api" }
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garage_block = { version = "1.0.1", path = "src/block" }
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garage_db = { version = "1.0.1", path = "src/db", default-features = false }
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||||
garage_todo = { version = "1.0.1", path = "src/todo", default-features = false }
|
||||
garage_model = { version = "1.0.1", path = "src/model", default-features = false }
|
||||
garage_net = { version = "1.0.1", path = "src/net" }
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garage_rpc = { version = "1.0.1", path = "src/rpc" }
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|
|
@ -86,6 +88,8 @@ rusqlite = "0.31.0"
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r2d2 = "0.8"
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r2d2_sqlite = "0.24"
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|
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yaque = "0.6"
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|
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async-compression = { version = "0.4", features = ["tokio", "zstd"] }
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zstd = { version = "0.13", default-features = false }
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@ -23,6 +23,7 @@ path = "tests/lib.rs"
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[dependencies]
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format_table.workspace = true
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garage_db.workspace = true
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garage_todo.workspace = true
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garage_api.workspace = true
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garage_block.workspace = true
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garage_model.workspace = true
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@ -82,13 +83,14 @@ k2v-client.workspace = true
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[features]
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default = [ "bundled-libs", "metrics", "lmdb", "sqlite", "k2v" ]
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default = [ "bundled-libs", "metrics", "lmdb", "sqlite", "k2v", "yaque" ]
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k2v = [ "garage_util/k2v", "garage_api/k2v" ]
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# Database engines
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lmdb = [ "garage_model/lmdb" ]
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sqlite = [ "garage_model/sqlite" ]
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yaque = [ "garage_todo/yaque" ]
|
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|
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# Automatic registration and discovery via Consul API
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consul-discovery = [ "garage_rpc/consul-discovery" ]
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|
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|||
|
|
@ -197,7 +197,7 @@ impl AdminRpcHandler {
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|||
writeln!(&mut ret, "\nDatabase engine: {}", self.garage.db.engine()).unwrap();
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||||
|
||||
// Gather table statistics
|
||||
let mut table = vec![" Table\tItems\tMklItems\tMklTodo\tGcTodo".into()];
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||||
let mut table = vec![" Table\tItems\tMklItems".into()];
|
||||
table.push(self.gather_table_stats(&self.garage.bucket_table)?);
|
||||
table.push(self.gather_table_stats(&self.garage.key_table)?);
|
||||
table.push(self.gather_table_stats(&self.garage.object_table)?);
|
||||
|
|
@ -343,12 +343,10 @@ impl AdminRpcHandler {
|
|||
let mkl_len = t.merkle_updater.merkle_tree_len()?.to_string();
|
||||
|
||||
Ok(format!(
|
||||
" {}\t{}\t{}\t{}\t{}",
|
||||
" {}\t{}\t{}",
|
||||
F::TABLE_NAME,
|
||||
data_len,
|
||||
mkl_len,
|
||||
t.merkle_updater.todo_len()?,
|
||||
t.data.gc_todo_len()?
|
||||
))
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -15,6 +15,7 @@ path = "lib.rs"
|
|||
|
||||
[dependencies]
|
||||
garage_db.workspace = true
|
||||
garage_todo.workspace = true
|
||||
garage_rpc.workspace = true
|
||||
garage_table.workspace = true
|
||||
garage_block.workspace = true
|
||||
|
|
|
|||
|
|
@ -4,6 +4,7 @@ use std::sync::Arc;
|
|||
use garage_net::NetworkKey;
|
||||
|
||||
use garage_db as db;
|
||||
use garage_todo as todo;
|
||||
|
||||
use garage_util::background::*;
|
||||
use garage_util::config::*;
|
||||
|
|
@ -45,6 +46,8 @@ pub struct Garage {
|
|||
|
||||
/// The local database
|
||||
pub db: db::Db,
|
||||
/// The todo queues
|
||||
pub todo: todo::Todo,
|
||||
/// The membership manager
|
||||
pub system: Arc<System>,
|
||||
/// The block manager
|
||||
|
|
@ -135,6 +138,18 @@ impl Garage {
|
|||
let db = db::open_db(&db_path, db_engine, &db_opt)
|
||||
.ok_or_message("Unable to open metadata db")?;
|
||||
|
||||
info!("Initializing queues...");
|
||||
let todo_engine = todo::Engine::from_str(&config.todo_engine)
|
||||
.ok_or_message("Invalid `todo_engine` value in configuration file")?;
|
||||
let mut todo_path = config.metadata_dir.clone();
|
||||
match todo_engine {
|
||||
todo::Engine::Yaque => {
|
||||
todo_path.push("todo.yaque")
|
||||
}
|
||||
}
|
||||
let todo = todo::open_todo(&todo_path, todo_engine)
|
||||
.ok_or_message("Unable to start todo engine")?;
|
||||
|
||||
info!("Initializing RPC...");
|
||||
let network_key = hex::decode(config.rpc_secret.as_ref().ok_or_message(
|
||||
"rpc_secret value is missing, not present in config file or in environment",
|
||||
|
|
@ -175,7 +190,7 @@ impl Garage {
|
|||
|
||||
// ---- admin tables ----
|
||||
info!("Initialize bucket_table...");
|
||||
let bucket_table = Table::new(BucketTable, control_rep_param.clone(), system.clone(), &db);
|
||||
let bucket_table = Table::new(BucketTable, control_rep_param.clone(), system.clone(), &db, &todo);
|
||||
|
||||
info!("Initialize bucket_alias_table...");
|
||||
let bucket_alias_table = Table::new(
|
||||
|
|
@ -183,9 +198,10 @@ impl Garage {
|
|||
control_rep_param.clone(),
|
||||
system.clone(),
|
||||
&db,
|
||||
&todo,
|
||||
);
|
||||
info!("Initialize key_table_table...");
|
||||
let key_table = Table::new(KeyTable, control_rep_param, system.clone(), &db);
|
||||
let key_table = Table::new(KeyTable, control_rep_param, system.clone(), &db, &todo);
|
||||
|
||||
// ---- S3 tables ----
|
||||
info!("Initialize block_ref_table...");
|
||||
|
|
@ -196,6 +212,7 @@ impl Garage {
|
|||
meta_rep_param.clone(),
|
||||
system.clone(),
|
||||
&db,
|
||||
&todo,
|
||||
);
|
||||
|
||||
info!("Initialize version_table...");
|
||||
|
|
@ -206,10 +223,11 @@ impl Garage {
|
|||
meta_rep_param.clone(),
|
||||
system.clone(),
|
||||
&db,
|
||||
&todo,
|
||||
);
|
||||
|
||||
info!("Initialize multipart upload counter table...");
|
||||
let mpu_counter_table = IndexCounter::new(system.clone(), meta_rep_param.clone(), &db);
|
||||
let mpu_counter_table = IndexCounter::new(system.clone(), meta_rep_param.clone(), &db, &todo);
|
||||
|
||||
info!("Initialize multipart upload table...");
|
||||
let mpu_table = Table::new(
|
||||
|
|
@ -220,10 +238,11 @@ impl Garage {
|
|||
meta_rep_param.clone(),
|
||||
system.clone(),
|
||||
&db,
|
||||
&todo,
|
||||
);
|
||||
|
||||
info!("Initialize object counter table...");
|
||||
let object_counter_table = IndexCounter::new(system.clone(), meta_rep_param.clone(), &db);
|
||||
let object_counter_table = IndexCounter::new(system.clone(), meta_rep_param.clone(), &db, &todo);
|
||||
|
||||
info!("Initialize object_table...");
|
||||
#[allow(clippy::redundant_clone)]
|
||||
|
|
@ -236,6 +255,7 @@ impl Garage {
|
|||
meta_rep_param.clone(),
|
||||
system.clone(),
|
||||
&db,
|
||||
&todo,
|
||||
);
|
||||
|
||||
info!("Load lifecycle worker state...");
|
||||
|
|
@ -245,7 +265,7 @@ impl Garage {
|
|||
|
||||
// ---- K2V ----
|
||||
#[cfg(feature = "k2v")]
|
||||
let k2v = GarageK2V::new(system.clone(), &db, meta_rep_param);
|
||||
let k2v = GarageK2V::new(system.clone(), &db, &todo, meta_rep_param);
|
||||
|
||||
// ---- setup block refcount recalculation ----
|
||||
// this function can be used to fix inconsistencies in the RC table
|
||||
|
|
@ -261,6 +281,7 @@ impl Garage {
|
|||
bg_vars,
|
||||
replication_factor,
|
||||
db,
|
||||
todo,
|
||||
system,
|
||||
block_manager,
|
||||
bucket_table,
|
||||
|
|
@ -335,9 +356,9 @@ impl Garage {
|
|||
|
||||
#[cfg(feature = "k2v")]
|
||||
impl GarageK2V {
|
||||
fn new(system: Arc<System>, db: &db::Db, meta_rep_param: TableShardedReplication) -> Self {
|
||||
fn new(system: Arc<System>, db: &db::Db, todo: &todo::Todo, meta_rep_param: TableShardedReplication) -> Self {
|
||||
info!("Initialize K2V counter table...");
|
||||
let counter_table = IndexCounter::new(system.clone(), meta_rep_param.clone(), db);
|
||||
let counter_table = IndexCounter::new(system.clone(), meta_rep_param.clone(), db, todo);
|
||||
|
||||
info!("Initialize K2V subscription manager...");
|
||||
let subscriptions = Arc::new(SubscriptionManager::new());
|
||||
|
|
@ -351,6 +372,7 @@ impl GarageK2V {
|
|||
meta_rep_param,
|
||||
system.clone(),
|
||||
db,
|
||||
todo,
|
||||
);
|
||||
|
||||
info!("Initialize K2V RPC handler...");
|
||||
|
|
|
|||
|
|
@ -6,6 +6,7 @@ use std::sync::Arc;
|
|||
use serde::{Deserialize, Serialize};
|
||||
|
||||
use garage_db as db;
|
||||
use garage_todo as todo;
|
||||
|
||||
use garage_rpc::layout::LayoutHelper;
|
||||
use garage_rpc::system::System;
|
||||
|
|
@ -173,6 +174,7 @@ impl<T: CountedItem> IndexCounter<T> {
|
|||
system: Arc<System>,
|
||||
replication: TableShardedReplication,
|
||||
db: &db::Db,
|
||||
todo: &todo::Todo,
|
||||
) -> Arc<Self> {
|
||||
Arc::new(Self {
|
||||
this_node: system.id,
|
||||
|
|
@ -186,6 +188,7 @@ impl<T: CountedItem> IndexCounter<T> {
|
|||
replication,
|
||||
system,
|
||||
db,
|
||||
todo,
|
||||
),
|
||||
})
|
||||
}
|
||||
|
|
|
|||
|
|
@ -15,6 +15,7 @@ path = "lib.rs"
|
|||
|
||||
[dependencies]
|
||||
garage_db.workspace = true
|
||||
garage_todo.workspace = true
|
||||
garage_rpc.workspace = true
|
||||
garage_util.workspace = true
|
||||
|
||||
|
|
|
|||
|
|
@ -6,6 +6,7 @@ use serde_bytes::ByteBuf;
|
|||
use tokio::sync::Notify;
|
||||
|
||||
use garage_db as db;
|
||||
use garage_todo as todo;
|
||||
|
||||
use garage_util::data::*;
|
||||
use garage_util::error::*;
|
||||
|
|
@ -29,19 +30,19 @@ pub struct TableData<F: TableSchema, R: TableReplication> {
|
|||
pub store: db::Tree,
|
||||
|
||||
pub(crate) merkle_tree: db::Tree,
|
||||
pub(crate) merkle_todo: db::Tree,
|
||||
pub(crate) merkle_todo: todo::Queue,
|
||||
pub(crate) merkle_todo_notify: Notify,
|
||||
|
||||
pub(crate) insert_queue: db::Tree,
|
||||
pub(crate) insert_queue_notify: Arc<Notify>,
|
||||
|
||||
pub(crate) gc_todo: db::Tree,
|
||||
pub(crate) gc_todo: todo::Queue,
|
||||
|
||||
pub(crate) metrics: TableMetrics,
|
||||
}
|
||||
|
||||
impl<F: TableSchema, R: TableReplication> TableData<F, R> {
|
||||
pub fn new(system: Arc<System>, instance: F, replication: R, db: &db::Db) -> Arc<Self> {
|
||||
pub fn new(system: Arc<System>, instance: F, replication: R, db: &db::Db, todo: &todo::Todo) -> Arc<Self> {
|
||||
let store = db
|
||||
.open_tree(format!("{}:table", F::TABLE_NAME))
|
||||
.expect("Unable to open DB tree");
|
||||
|
|
@ -49,24 +50,22 @@ impl<F: TableSchema, R: TableReplication> TableData<F, R> {
|
|||
let merkle_tree = db
|
||||
.open_tree(format!("{}:merkle_tree", F::TABLE_NAME))
|
||||
.expect("Unable to open DB Merkle tree tree");
|
||||
let merkle_todo = db
|
||||
.open_tree(format!("{}:merkle_todo", F::TABLE_NAME))
|
||||
.expect("Unable to open DB Merkle TODO tree");
|
||||
let merkle_todo = todo
|
||||
.open_queue(format!("{}:merkle_todo", F::TABLE_NAME))
|
||||
.expect("Unable to open Merkle TODO queue");
|
||||
|
||||
let insert_queue = db
|
||||
.open_tree(format!("{}:insert_queue", F::TABLE_NAME))
|
||||
.expect("Unable to open insert queue DB tree");
|
||||
|
||||
let gc_todo = db
|
||||
.open_tree(format!("{}:gc_todo_v2", F::TABLE_NAME))
|
||||
.expect("Unable to open GC DB tree");
|
||||
let gc_todo = todo
|
||||
.open_queue(format!("{}:gc_todo_v2", F::TABLE_NAME))
|
||||
.expect("Unable to open GC TODO queue");
|
||||
|
||||
let metrics = TableMetrics::new(
|
||||
F::TABLE_NAME,
|
||||
store.clone(),
|
||||
merkle_tree.clone(),
|
||||
merkle_todo.clone(),
|
||||
gc_todo.clone(),
|
||||
);
|
||||
|
||||
Arc::new(Self {
|
||||
|
|
@ -227,22 +226,22 @@ impl<F: TableSchema, R: TableReplication> TableData<F, R> {
|
|||
|
||||
if changed {
|
||||
let new_bytes_hash = blake2sum(&new_bytes);
|
||||
tx.insert(&self.merkle_todo, &tree_key, new_bytes_hash.as_slice())?;
|
||||
tx.insert(&self.store, &tree_key, new_bytes)?;
|
||||
|
||||
self.instance
|
||||
.updated(tx, old_entry.as_ref(), Some(&new_entry))?;
|
||||
|
||||
Ok(Some((new_entry, new_bytes_hash)))
|
||||
Ok(Some((tree_key.clone(), new_entry, new_bytes_hash)))
|
||||
} else {
|
||||
Ok(None)
|
||||
}
|
||||
})?;
|
||||
|
||||
if let Some((new_entry, new_bytes_hash)) = changed {
|
||||
if let Some((tree_key, new_entry, new_bytes_hash)) = changed {
|
||||
self.metrics.internal_update_counter.add(1);
|
||||
|
||||
let is_tombstone = new_entry.is_tombstone();
|
||||
self.merkle_todo.submit(&tree_key, new_bytes_hash.as_slice())?;
|
||||
self.merkle_todo_notify.notify_one();
|
||||
if is_tombstone {
|
||||
// We are only responsible for GC'ing this item if we are the
|
||||
|
|
@ -272,21 +271,21 @@ impl<F: TableSchema, R: TableReplication> TableData<F, R> {
|
|||
.transaction(|tx| match tx.get(&self.store, k)? {
|
||||
Some(cur_v) if cur_v == v => {
|
||||
let old_entry = self.decode_entry(v).map_err(db::TxError::Abort)?;
|
||||
|
||||
tx.remove(&self.store, k)?;
|
||||
tx.insert(&self.merkle_todo, k, vec![])?;
|
||||
|
||||
self.instance.updated(tx, Some(&old_entry), None)?;
|
||||
Ok(true)
|
||||
Ok(Some(k))
|
||||
}
|
||||
_ => Ok(false),
|
||||
_ => Ok(None),
|
||||
})?;
|
||||
|
||||
if removed {
|
||||
if let Some(k) = removed {
|
||||
self.metrics.internal_delete_counter.add(1);
|
||||
self.merkle_todo.submit(k, &[])?;
|
||||
self.merkle_todo_notify.notify_one();
|
||||
Ok(true)
|
||||
} else {
|
||||
Ok(false)
|
||||
}
|
||||
Ok(removed)
|
||||
}
|
||||
|
||||
pub(crate) fn delete_if_equal_hash(
|
||||
|
|
@ -300,21 +299,21 @@ impl<F: TableSchema, R: TableReplication> TableData<F, R> {
|
|||
.transaction(|tx| match tx.get(&self.store, k)? {
|
||||
Some(cur_v) if blake2sum(&cur_v[..]) == vhash => {
|
||||
let old_entry = self.decode_entry(&cur_v[..]).map_err(db::TxError::Abort)?;
|
||||
|
||||
tx.remove(&self.store, k)?;
|
||||
tx.insert(&self.merkle_todo, k, vec![])?;
|
||||
|
||||
self.instance.updated(tx, Some(&old_entry), None)?;
|
||||
Ok(true)
|
||||
Ok(Some(k))
|
||||
}
|
||||
_ => Ok(false),
|
||||
_ => Ok(None),
|
||||
})?;
|
||||
|
||||
if removed {
|
||||
if let Some(k) = removed {
|
||||
self.metrics.internal_delete_counter.add(1);
|
||||
self.merkle_todo.submit(k, &[])?;
|
||||
self.merkle_todo_notify.notify_one();
|
||||
Ok(true)
|
||||
} else {
|
||||
Ok(false)
|
||||
}
|
||||
Ok(removed)
|
||||
}
|
||||
|
||||
// ---- Insert queue functions ----
|
||||
|
|
@ -366,8 +365,4 @@ impl<F: TableSchema, R: TableReplication> TableData<F, R> {
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn gc_todo_len(&self) -> Result<usize, Error> {
|
||||
Ok(self.gc_todo.len()?)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -10,7 +10,7 @@ use serde_bytes::ByteBuf;
|
|||
use futures::future::join_all;
|
||||
use tokio::sync::watch;
|
||||
|
||||
use garage_db as db;
|
||||
use garage_todo as todo;
|
||||
|
||||
use garage_util::background::*;
|
||||
use garage_util::data::*;
|
||||
|
|
@ -76,8 +76,9 @@ impl<F: TableSchema, R: TableReplication> TableGc<F, R> {
|
|||
// These entries are put there when a tombstone is inserted in the table
|
||||
// (see update_entry in data.rs)
|
||||
let mut candidates = vec![];
|
||||
for entry_kv in self.data.gc_todo.iter()? {
|
||||
let (k, vhash) = entry_kv?;
|
||||
|
||||
while let Some(entry_kv) = self.data.gc_todo.reserve()? {
|
||||
let (k, vhash) = entry_kv;
|
||||
let todo_entry = GcTodoEntry::parse(&k, &vhash);
|
||||
|
||||
if todo_entry.deletion_time() > now {
|
||||
|
|
@ -123,13 +124,6 @@ impl<F: TableSchema, R: TableReplication> TableGc<F, R> {
|
|||
}
|
||||
}
|
||||
|
||||
// Remove from gc_todo entries for tombstones where we have
|
||||
// detected that the current value has changed and
|
||||
// is no longer a tombstone.
|
||||
for entry in excluded {
|
||||
entry.remove_if_equal(&self.data.gc_todo)?;
|
||||
}
|
||||
|
||||
// Remaining in `entries` is the list of entries we want to GC,
|
||||
// and for which they are still currently tombstones in the table.
|
||||
|
||||
|
|
@ -168,16 +162,22 @@ impl<F: TableSchema, R: TableReplication> TableGc<F, R> {
|
|||
let resps = join_all(
|
||||
partitions
|
||||
.into_iter()
|
||||
.map(|(nodes, items)| self.try_send_and_delete(nodes, items)),
|
||||
.map(|(nodes, items)| async {
|
||||
let r = self.try_send_and_delete(nodes, &items).await;
|
||||
(items, r)
|
||||
}),
|
||||
)
|
||||
.await;
|
||||
|
||||
// Collect errors and return a single error value even if several
|
||||
// errors occurred.
|
||||
// errors occurred. Push failed items back into the GC queue.
|
||||
let mut errs = vec![];
|
||||
for resp in resps {
|
||||
for (items, resp) in resps {
|
||||
if let Err(e) = resp {
|
||||
errs.push(e);
|
||||
for item in items {
|
||||
item.save(&self.data.gc_todo)?;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -197,7 +197,7 @@ impl<F: TableSchema, R: TableReplication> TableGc<F, R> {
|
|||
async fn try_send_and_delete(
|
||||
&self,
|
||||
nodes: Vec<Uuid>,
|
||||
mut items: Vec<GcTodoEntry>,
|
||||
items: &Vec<GcTodoEntry>,
|
||||
) -> Result<(), Error> {
|
||||
let n_items = items.len();
|
||||
|
||||
|
|
@ -216,8 +216,8 @@ impl<F: TableSchema, R: TableReplication> TableGc<F, R> {
|
|||
// and in deletes the list of keys and hashes of value for step 2.
|
||||
let mut updates = vec![];
|
||||
let mut deletes = vec![];
|
||||
for item in items.iter_mut() {
|
||||
updates.push(ByteBuf::from(item.value.take().unwrap()));
|
||||
for item in items {
|
||||
updates.push(ByteBuf::from(item.value.clone().unwrap()));
|
||||
deletes.push((ByteBuf::from(item.key.clone()), item.value_hash));
|
||||
}
|
||||
|
||||
|
|
@ -264,8 +264,6 @@ impl<F: TableSchema, R: TableReplication> TableGc<F, R> {
|
|||
self.data
|
||||
.delete_if_equal_hash(&item.key[..], item.value_hash)
|
||||
.err_context("GC: local delete tombstones")?;
|
||||
item.remove_if_equal(&self.data.gc_todo)
|
||||
.err_context("GC: remove from todo list after successfull GC")?;
|
||||
}
|
||||
|
||||
Ok(())
|
||||
|
|
@ -313,7 +311,7 @@ impl<F: TableSchema, R: TableReplication> Worker for GcWorker<F, R> {
|
|||
|
||||
fn status(&self) -> WorkerStatus {
|
||||
WorkerStatus {
|
||||
queue_length: Some(self.gc.data.gc_todo_len().unwrap_or(0) as u64),
|
||||
queue_length: Some(0 as u64),
|
||||
..Default::default()
|
||||
}
|
||||
}
|
||||
|
|
@ -376,24 +374,8 @@ impl GcTodoEntry {
|
|||
}
|
||||
|
||||
/// Saves the GcTodoEntry in the gc_todo tree
|
||||
pub(crate) fn save(&self, gc_todo_tree: &db::Tree) -> Result<(), Error> {
|
||||
gc_todo_tree.insert(self.todo_table_key(), self.value_hash.as_slice())?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Removes the GcTodoEntry from the gc_todo tree if the
|
||||
/// hash of the serialized value is the same here as in the tree.
|
||||
/// This is usefull to remove a todo entry only under the condition
|
||||
/// that it has not changed since the time it was read, i.e.
|
||||
/// what we have to do is still the same
|
||||
pub(crate) fn remove_if_equal(&self, gc_todo_tree: &db::Tree) -> Result<(), Error> {
|
||||
gc_todo_tree.db().transaction(|txn| {
|
||||
let key = self.todo_table_key();
|
||||
if txn.get(gc_todo_tree, &key)?.as_deref() == Some(self.value_hash.as_slice()) {
|
||||
txn.remove(gc_todo_tree, &key)?;
|
||||
}
|
||||
Ok(())
|
||||
})?;
|
||||
pub(crate) fn save(&self, gc_todo_tree: &todo::Queue) -> Result<(), Error> {
|
||||
gc_todo_tree.submit(&self.todo_table_key(), self.value_hash.as_slice())?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -81,7 +81,7 @@ impl<F: TableSchema, R: TableReplication> MerkleUpdater<F, R> {
|
|||
}
|
||||
|
||||
fn updater_loop_iter(&self) -> Result<WorkerState, Error> {
|
||||
if let Some((key, valhash)) = self.data.merkle_todo.first()? {
|
||||
if let Some((key, valhash)) = self.data.merkle_todo.reserve()? {
|
||||
self.update_item(&key, &valhash)?;
|
||||
Ok(WorkerState::Busy)
|
||||
} else {
|
||||
|
|
@ -110,21 +110,6 @@ impl<F: TableSchema, R: TableReplication> MerkleUpdater<F, R> {
|
|||
.db()
|
||||
.transaction(|tx| self.update_item_rec(tx, k, &khash, &key, new_vhash))?;
|
||||
|
||||
let deleted = self.data.merkle_todo.db().transaction(|tx| {
|
||||
let remove = matches!(tx.get(&self.data.merkle_todo, k)?, Some(ov) if ov == vhash_by);
|
||||
if remove {
|
||||
tx.remove(&self.data.merkle_todo, k)?;
|
||||
}
|
||||
Ok(remove)
|
||||
})?;
|
||||
|
||||
if !deleted {
|
||||
debug!(
|
||||
"({}) Item not deleted from Merkle todo because it changed: {:?}",
|
||||
F::TABLE_NAME,
|
||||
k
|
||||
);
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
|
@ -290,10 +275,6 @@ impl<F: TableSchema, R: TableReplication> MerkleUpdater<F, R> {
|
|||
pub fn merkle_tree_len(&self) -> Result<usize, Error> {
|
||||
Ok(self.data.merkle_tree.len()?)
|
||||
}
|
||||
|
||||
pub fn todo_len(&self) -> Result<usize, Error> {
|
||||
Ok(self.data.merkle_todo.len()?)
|
||||
}
|
||||
}
|
||||
|
||||
struct MerkleWorker<F: TableSchema, R: TableReplication>(Arc<MerkleUpdater<F, R>>);
|
||||
|
|
@ -306,7 +287,6 @@ impl<F: TableSchema, R: TableReplication> Worker for MerkleWorker<F, R> {
|
|||
|
||||
fn status(&self) -> WorkerStatus {
|
||||
WorkerStatus {
|
||||
queue_length: Some(self.0.todo_len().unwrap_or(0) as u64),
|
||||
..Default::default()
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -6,8 +6,6 @@ use garage_db as db;
|
|||
pub struct TableMetrics {
|
||||
pub(crate) _table_size: ValueObserver<u64>,
|
||||
pub(crate) _merkle_tree_size: ValueObserver<u64>,
|
||||
pub(crate) _merkle_todo_len: ValueObserver<u64>,
|
||||
pub(crate) _gc_todo_len: ValueObserver<u64>,
|
||||
|
||||
pub(crate) get_request_counter: BoundCounter<u64>,
|
||||
pub(crate) get_request_duration: BoundValueRecorder<f64>,
|
||||
|
|
@ -25,8 +23,6 @@ impl TableMetrics {
|
|||
table_name: &'static str,
|
||||
store: db::Tree,
|
||||
merkle_tree: db::Tree,
|
||||
merkle_todo: db::Tree,
|
||||
gc_todo: db::Tree,
|
||||
) -> Self {
|
||||
let meter = global::meter(table_name);
|
||||
TableMetrics {
|
||||
|
|
@ -58,34 +54,6 @@ impl TableMetrics {
|
|||
)
|
||||
.with_description("Number of nodes in table's Merkle tree")
|
||||
.init(),
|
||||
_merkle_todo_len: meter
|
||||
.u64_value_observer(
|
||||
"table.merkle_updater_todo_queue_length",
|
||||
move |observer| {
|
||||
if let Ok(v) = merkle_todo.len() {
|
||||
observer.observe(
|
||||
v as u64,
|
||||
&[KeyValue::new("table_name", table_name)],
|
||||
);
|
||||
}
|
||||
},
|
||||
)
|
||||
.with_description("Merkle tree updater TODO queue length")
|
||||
.init(),
|
||||
_gc_todo_len: meter
|
||||
.u64_value_observer(
|
||||
"table.gc_todo_queue_length",
|
||||
move |observer| {
|
||||
if let Ok(value) = gc_todo.len() {
|
||||
observer.observe(
|
||||
value as u64,
|
||||
&[KeyValue::new("table_name", table_name)],
|
||||
);
|
||||
}
|
||||
},
|
||||
)
|
||||
.with_description("Table garbage collector TODO queue length")
|
||||
.init(),
|
||||
|
||||
get_request_counter: meter
|
||||
.u64_counter("table.get_request_counter")
|
||||
|
|
|
|||
|
|
@ -13,6 +13,7 @@ use opentelemetry::{
|
|||
};
|
||||
|
||||
use garage_db as db;
|
||||
use garage_todo as todo;
|
||||
|
||||
use garage_util::background::BackgroundRunner;
|
||||
use garage_util::data::*;
|
||||
|
|
@ -69,12 +70,12 @@ impl<F: TableSchema> Rpc for TableRpc<F> {
|
|||
impl<F: TableSchema, R: TableReplication> Table<F, R> {
|
||||
// =============== PUBLIC INTERFACE FUNCTIONS (new, insert, get, etc) ===============
|
||||
|
||||
pub fn new(instance: F, replication: R, system: Arc<System>, db: &db::Db) -> Arc<Self> {
|
||||
pub fn new(instance: F, replication: R, system: Arc<System>, db: &db::Db, todo: &todo::Todo) -> Arc<Self> {
|
||||
let endpoint = system
|
||||
.netapp
|
||||
.endpoint(format!("garage_table/table.rs/Rpc:{}", F::TABLE_NAME));
|
||||
|
||||
let data = TableData::new(system.clone(), instance, replication, db);
|
||||
let data = TableData::new(system.clone(), instance, replication, db, todo);
|
||||
|
||||
let merkle_updater = MerkleUpdater::new(data.clone());
|
||||
|
||||
|
|
|
|||
22
src/todo/Cargo.toml
Normal file
22
src/todo/Cargo.toml
Normal file
|
|
@ -0,0 +1,22 @@
|
|||
[package]
|
||||
name = "garage_todo"
|
||||
version = "1.0.1"
|
||||
authors = ["Julien Kritter <julien.kritter@withings.com>", "Alex Auvolat <alex@adnab.me>"]
|
||||
edition = "2018"
|
||||
license = "AGPL-3.0"
|
||||
description = "Abstraction over multiple queue implementations"
|
||||
repository = "https://git.deuxfleurs.fr/Deuxfleurs/garage"
|
||||
readme = "../../README.md"
|
||||
|
||||
[lib]
|
||||
path = "lib.rs"
|
||||
|
||||
[dependencies]
|
||||
err-derive.workspace = true
|
||||
tracing.workspace = true
|
||||
|
||||
yaque = { workspace = true, optional = true }
|
||||
|
||||
[features]
|
||||
default = [ "yaque" ]
|
||||
yaque = [ "dep:yaque" ]
|
||||
56
src/todo/lib.rs
Normal file
56
src/todo/lib.rs
Normal file
|
|
@ -0,0 +1,56 @@
|
|||
#[macro_use]
|
||||
extern crate tracing;
|
||||
|
||||
#[cfg(feature = "yaque")]
|
||||
pub mod yaque_adapter;
|
||||
|
||||
#[cfg(test)]
|
||||
pub mod test;
|
||||
|
||||
pub mod open;
|
||||
pub use open::*;
|
||||
|
||||
use std::sync::Arc;
|
||||
use std::borrow::Cow;
|
||||
|
||||
use err_derive::Error;
|
||||
|
||||
#[derive(Clone)]
|
||||
pub struct Todo(pub(crate) Arc<dyn ITodo>);
|
||||
#[derive(Clone)]
|
||||
pub struct Queue(pub(crate) Arc<dyn ITodo>, usize);
|
||||
|
||||
#[derive(Debug, Error)]
|
||||
#[error(display = "{}", _0)]
|
||||
pub struct Error(pub Cow<'static, str>);
|
||||
|
||||
pub type Result<T> = std::result::Result<T, Error>;
|
||||
|
||||
impl From<std::io::Error> for Error {
|
||||
fn from(e: std::io::Error) -> Error {
|
||||
Error(format!("IO: {}", e).into())
|
||||
}
|
||||
}
|
||||
|
||||
pub(crate) trait ITodo: Send + Sync {
|
||||
fn open_queue(&self, name: &str) -> Result<usize>;
|
||||
fn submit(&self, queue_id: usize, k: &[u8], v: &[u8]) -> Result<()>;
|
||||
fn reserve(&self, queue_id: usize) -> Result<Option<(Vec<u8>, Vec<u8>)>>;
|
||||
}
|
||||
|
||||
impl Todo {
|
||||
pub fn open_queue<S: AsRef<str>>(&self, name: S) -> Result<Queue> {
|
||||
let queue_id = self.0.open_queue(name.as_ref())?;
|
||||
Ok(Queue(self.0.clone(), queue_id))
|
||||
}
|
||||
}
|
||||
|
||||
impl Queue {
|
||||
pub fn submit(&self, k: &[u8], v: &[u8]) -> Result<()> {
|
||||
self.0.submit(self.1, k, v)
|
||||
}
|
||||
|
||||
pub fn reserve(&self) -> Result<Option<(Vec<u8>, Vec<u8>)>> {
|
||||
self.0.reserve(self.1)
|
||||
}
|
||||
}
|
||||
66
src/todo/open.rs
Normal file
66
src/todo/open.rs
Normal file
|
|
@ -0,0 +1,66 @@
|
|||
use std::path::PathBuf;
|
||||
|
||||
use crate::{Todo, Result, Error};
|
||||
|
||||
/// List of supported todo engine types
|
||||
///
|
||||
/// The `enum` holds list of *all* todo engines that are are be supported by crate, no matter
|
||||
/// if relevant feature is enabled or not. It allows us to distinguish between invalid engine
|
||||
/// and valid engine, whose support is not enabled via feature flag.
|
||||
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
|
||||
pub enum Engine {
|
||||
Yaque,
|
||||
}
|
||||
|
||||
impl Engine {
|
||||
/// Return variant name as static `&str`
|
||||
pub fn as_str(&self) -> &'static str {
|
||||
match self {
|
||||
Self::Yaque => "yaque",
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl std::fmt::Display for Engine {
|
||||
fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
|
||||
self.as_str().fmt(fmt)
|
||||
}
|
||||
}
|
||||
|
||||
impl std::str::FromStr for Engine {
|
||||
type Err = Error;
|
||||
|
||||
fn from_str(text: &str) -> Result<Engine> {
|
||||
match text {
|
||||
#[cfg(feature = "yaque")]
|
||||
"yaque" => Ok(Self::Yaque),
|
||||
kind => Err(Error(
|
||||
format!(
|
||||
"Invalid todo engine: {} (options are: yaque)",
|
||||
kind
|
||||
)
|
||||
.into(),
|
||||
)),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn open_todo(path: &PathBuf, engine: Engine) -> Result<Todo> {
|
||||
match engine {
|
||||
// ---- Yaque ----
|
||||
#[cfg(feature = "yaque")]
|
||||
Engine::Yaque => {
|
||||
info!("Opening Yaque todo at: {}", path.display());
|
||||
let engine = crate::yaque_adapter::Yaque::init(path);
|
||||
Ok(engine)
|
||||
}
|
||||
|
||||
// Pattern is unreachable when all supported todo engines are compiled into binary. The allow
|
||||
// attribute is added so that we won't have to change this match in case stop building
|
||||
// support for one or more engines by default.
|
||||
#[allow(unreachable_patterns)]
|
||||
engine => Err(Error(
|
||||
format!("Todo engine support not available in this build: {}", engine).into(),
|
||||
)),
|
||||
}
|
||||
}
|
||||
1
src/todo/test.rs
Normal file
1
src/todo/test.rs
Normal file
|
|
@ -0,0 +1 @@
|
|||
use crate::*;
|
||||
85
src/todo/yaque_adapter.rs
Normal file
85
src/todo/yaque_adapter.rs
Normal file
|
|
@ -0,0 +1,85 @@
|
|||
use crate::*;
|
||||
|
||||
use std::path::PathBuf;
|
||||
use std::convert::TryInto;
|
||||
use std::sync::RwLock;
|
||||
|
||||
use yaque::{channel, Receiver, Sender, TrySendError, TryRecvError};
|
||||
|
||||
pub struct Yaque {
|
||||
base_path: PathBuf,
|
||||
// the outer lock prevents opening 2 queues at once
|
||||
// the inner locks allow reserving on multiple queues at once
|
||||
queues: RwLock<Vec<RwLock<(Sender, Receiver)>>>,
|
||||
}
|
||||
|
||||
impl From<TrySendError<Vec<u8>>> for Error {
|
||||
fn from(e: TrySendError<Vec<u8>>) -> Error {
|
||||
Error(format!("Yaque: {}", e).into())
|
||||
}
|
||||
}
|
||||
|
||||
impl From<TryRecvError> for Error {
|
||||
fn from(e: TryRecvError) -> Error {
|
||||
let message = match e {
|
||||
TryRecvError::Io(ee) => ee.to_string(),
|
||||
TryRecvError::QueueEmpty => "empty queue".into(),
|
||||
};
|
||||
Error(format!("Yaque: {}", message).into())
|
||||
}
|
||||
}
|
||||
|
||||
impl Yaque {
|
||||
pub fn new(base_path: &PathBuf) -> Self {
|
||||
Self {
|
||||
base_path: base_path.clone(),
|
||||
queues: RwLock::new(vec!()),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn init(base_path: &PathBuf) -> Todo {
|
||||
Todo(Arc::new(Self::new(base_path)))
|
||||
}
|
||||
}
|
||||
|
||||
impl ITodo for Yaque {
|
||||
fn open_queue(&self, name: &str) -> Result<usize> {
|
||||
let mut path = self.base_path.clone();
|
||||
path.push(name);
|
||||
let mut queues = self.queues.write().unwrap();
|
||||
queues.push(RwLock::new(channel(path)?));
|
||||
Ok(queues.len() - 1)
|
||||
}
|
||||
|
||||
fn submit(&self, queue_id: usize, k: &[u8], v: &[u8]) -> Result<()> {
|
||||
let queues = self.queues.read().unwrap();
|
||||
let mut queue = queues[queue_id].write().unwrap();
|
||||
let job = pack_kv(k, v);
|
||||
queue.0.try_send(job)?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn reserve(&self, queue_id: usize) -> Result<Option<(Vec<u8>, Vec<u8>)>> {
|
||||
let queues = self.queues.read().unwrap();
|
||||
let mut queue = queues[queue_id].write().unwrap();
|
||||
let job = queue.1.try_recv();
|
||||
match job {
|
||||
Ok(j) => Ok(Some(unpack_kv(&j))),
|
||||
Err(TryRecvError::Io(e)) => Err(e.into()),
|
||||
Err(TryRecvError::QueueEmpty) => Ok(None),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn pack_kv(k: &[u8], v: &[u8]) -> Vec<u8> {
|
||||
[&k.len().to_ne_bytes(), k, v].concat().to_vec()
|
||||
}
|
||||
|
||||
fn unpack_kv(job: &[u8]) -> (Vec<u8>, Vec<u8>) {
|
||||
const LEN_SIZE: usize = std::mem::size_of::<usize>();
|
||||
let key_length_bytes = (&job[..LEN_SIZE]).try_into().unwrap();
|
||||
let key_length = usize::from_ne_bytes(key_length_bytes);
|
||||
let k = job[LEN_SIZE..LEN_SIZE+key_length].to_vec();
|
||||
let v = job[LEN_SIZE+key_length..].to_vec();
|
||||
(k, v)
|
||||
}
|
||||
|
|
@ -15,6 +15,7 @@ path = "lib.rs"
|
|||
|
||||
[dependencies]
|
||||
garage_db.workspace = true
|
||||
garage_todo.workspace = true
|
||||
garage_net.workspace = true
|
||||
|
||||
arc-swap.workspace = true
|
||||
|
|
|
|||
|
|
@ -111,6 +111,11 @@ pub struct Config {
|
|||
#[serde(default = "default_db_engine")]
|
||||
pub db_engine: String,
|
||||
|
||||
// -- TODO
|
||||
/// queue engine to use for metadata (options: yaque)
|
||||
#[serde(default = "default_todo_engine")]
|
||||
pub todo_engine: String,
|
||||
|
||||
/// LMDB map size
|
||||
#[serde(deserialize_with = "deserialize_capacity", default)]
|
||||
pub lmdb_map_size: usize,
|
||||
|
|
@ -256,6 +261,10 @@ fn default_db_engine() -> String {
|
|||
"lmdb".into()
|
||||
}
|
||||
|
||||
fn default_todo_engine() -> String {
|
||||
"yaque".into()
|
||||
}
|
||||
|
||||
fn default_block_size() -> usize {
|
||||
1048576
|
||||
}
|
||||
|
|
|
|||
|
|
@ -30,6 +30,9 @@ pub enum Error {
|
|||
#[error(display = "DB error: {}", _0)]
|
||||
Db(#[error(source)] garage_db::Error),
|
||||
|
||||
#[error(display = "Todo error: {}", _0)]
|
||||
Todo(#[error(source)] garage_todo::Error),
|
||||
|
||||
#[error(display = "Messagepack encode error: {}", _0)]
|
||||
RmpEncode(#[error(source)] rmp_serde::encode::Error),
|
||||
#[error(display = "Messagepack decode error: {}", _0)]
|
||||
|
|
|
|||
Loading…
Reference in a new issue