mirror of
https://gitlab.com/fabinfra/fabaccess/bffh.git
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Tear it down so you can rebuild it again
This commit is contained in:
Nadja Reitzenstein
parent
65830af01d
commit
6a6bc4e452
226
Cargo.lock
generated
226
Cargo.lock
generated
@ -23,6 +23,17 @@ dependencies = [
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"pretty",
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"pretty",
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]
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]
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[[package]]
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name = "ahash"
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version = "0.7.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "43bb833f0bf979d8475d38fbf09ed3b8a55e1885fe93ad3f93239fc6a4f17b98"
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dependencies = [
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"getrandom",
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"once_cell",
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"version_check",
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]
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[[package]]
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[[package]]
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name = "aho-corasick"
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name = "aho-corasick"
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version = "0.7.18"
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version = "0.7.18"
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@ -300,6 +311,27 @@ version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
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checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
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[[package]]
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name = "bytecheck"
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version = "0.6.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "fb738a1e65989ecdcd5bba16079641bd7209688fa546e1064832fd6e012fd32a"
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dependencies = [
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"bytecheck_derive",
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"ptr_meta",
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]
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[[package]]
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name = "bytecheck_derive"
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version = "0.6.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c3b4dff26fdc9f847dab475c9fec16f2cba82d5aa1f09981b87c44520721e10a"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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[[package]]
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name = "byteorder"
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name = "byteorder"
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version = "1.4.3"
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version = "1.4.3"
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@ -467,6 +499,16 @@ dependencies = [
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"lazy_static",
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"lazy_static",
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]
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]
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[[package]]
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name = "ctor"
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version = "0.1.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ccc0a48a9b826acdf4028595adc9db92caea352f7af011a3034acd172a52a0aa"
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dependencies = [
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"quote",
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"syn",
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]
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[[package]]
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[[package]]
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name = "derivative"
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name = "derivative"
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version = "2.2.0"
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version = "2.2.0"
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@ -515,7 +557,7 @@ dependencies = [
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[[package]]
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[[package]]
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name = "diflouroborane"
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name = "diflouroborane"
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version = "0.2.0"
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version = "0.3.0"
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dependencies = [
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dependencies = [
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"async-channel",
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"async-channel",
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"async-trait",
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"async-trait",
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@ -536,7 +578,11 @@ dependencies = [
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"libc",
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"libc",
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"lmdb-rkv",
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"lmdb-rkv",
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"paho-mqtt",
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"paho-mqtt",
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"ptr_meta",
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"rand",
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"rand",
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"rkyv",
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"rkyv_dyn",
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"rkyv_typename",
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"rsasl",
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"rsasl",
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"rust-argon2",
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"rust-argon2",
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"serde",
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"serde",
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@ -549,6 +595,7 @@ dependencies = [
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"smol",
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"smol",
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"tempfile",
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"tempfile",
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"toml",
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"toml",
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"tracing",
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"uuid",
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"uuid",
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"walkdir",
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"walkdir",
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]
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]
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@ -968,6 +1015,17 @@ dependencies = [
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"wasi",
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"wasi",
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]
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]
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[[package]]
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name = "ghost"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1a5bcf1bbeab73aa4cf2fde60a846858dc036163c7c33bec309f8d17de785479"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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[[package]]
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name = "glob"
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name = "glob"
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version = "0.3.0"
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version = "0.3.0"
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@ -994,6 +1052,9 @@ name = "hashbrown"
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version = "0.11.2"
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version = "0.11.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
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checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
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dependencies = [
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"ahash",
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]
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name = "hermit-abi"
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name = "hermit-abi"
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@ -1049,6 +1110,28 @@ dependencies = [
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"cfg-if 1.0.0",
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"cfg-if 1.0.0",
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]
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]
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[[package]]
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name = "inventory"
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version = "0.1.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0f0f7efb804ec95e33db9ad49e4252f049e37e8b0a4652e3cd61f7999f2eff7f"
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dependencies = [
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"ctor",
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"ghost",
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"inventory-impl",
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]
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[[package]]
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name = "inventory-impl"
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version = "0.1.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "75c094e94816723ab936484666968f5b58060492e880f3c8d00489a1e244fa51"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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[[package]]
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name = "itertools"
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name = "itertools"
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version = "0.9.0"
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version = "0.9.0"
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@ -1408,9 +1491,9 @@ dependencies = [
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[[package]]
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[[package]]
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name = "proc-macro-crate"
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name = "proc-macro-crate"
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version = "1.0.0"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "41fdbd1df62156fbc5945f4762632564d7d038153091c3fcf1067f6aef7cff92"
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checksum = "1ebace6889caf889b4d3f76becee12e90353f2b8c7d875534a71e5742f8f6f83"
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dependencies = [
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dependencies = [
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"thiserror",
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"thiserror",
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"toml",
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"toml",
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@ -1463,6 +1546,26 @@ dependencies = [
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"unicode-xid",
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"unicode-xid",
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]
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]
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[[package]]
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name = "ptr_meta"
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version = "0.1.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0738ccf7ea06b608c10564b31debd4f5bc5e197fc8bfe088f68ae5ce81e7a4f1"
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dependencies = [
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"ptr_meta_derive",
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]
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[[package]]
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name = "ptr_meta_derive"
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version = "0.1.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "16b845dbfca988fa33db069c0e230574d15a3088f147a87b64c7589eb662c9ac"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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name = "quick-error"
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name = "quick-error"
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version = "1.2.3"
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version = "1.2.3"
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@ -1563,6 +1666,85 @@ dependencies = [
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"winapi",
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"winapi",
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]
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]
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name = "rend"
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version = "0.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6d0351a2e529ee30d571ef31faa5a4e0b9addaad087697b77efb20d2809e41c7"
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dependencies = [
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"bytecheck",
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]
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[[package]]
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name = "rkyv"
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version = "0.7.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f371763528cb5a45ff01879d08355c39d49b849e2e6e665989abe3262997bde0"
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dependencies = [
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"bytecheck",
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"hashbrown",
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"ptr_meta",
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"rend",
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"rkyv_derive",
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"seahash",
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]
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[[package]]
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name = "rkyv_derive"
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version = "0.7.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "97fc962ad6ffbcc218212c465318c7c151221474350b281b4912f4890ea590b5"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "rkyv_dyn"
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version = "0.7.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a75e044390151cefefc450726260d1a164348c4038ccd9c81c1066e8b52155b2"
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dependencies = [
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"inventory",
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"lazy_static",
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"ptr_meta",
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"rkyv",
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"rkyv_dyn_derive",
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"rkyv_typename",
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]
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[[package]]
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name = "rkyv_dyn_derive"
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version = "0.7.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "184c2b11917482e21af6c380505d535e27db4929ad81bc49091a7350cabacd7d"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "rkyv_typename"
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version = "0.7.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "41ea58eb82006d34657d395fafa4e62521c017b02ee84fd90fbd25b1b67fa923"
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dependencies = [
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"rkyv_typename_derive",
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]
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[[package]]
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name = "rkyv_typename_derive"
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version = "0.7.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4b362b976c52da543e6cab9325b62fc5fec98852c6fb984e71c146014f79e28f"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "rsasl"
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name = "rsasl"
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version = "1.4.0"
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version = "1.4.0"
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@ -1613,6 +1795,12 @@ dependencies = [
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"winapi-util",
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"winapi-util",
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]
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]
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name = "seahash"
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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 = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b"
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[[package]]
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[[package]]
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name = "serde"
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name = "serde"
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version = "1.0.130"
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version = "1.0.130"
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"serde",
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"serde",
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]
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]
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[[package]]
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name = "tracing"
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|
version = "0.1.28"
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "84f96e095c0c82419687c20ddf5cb3eadb61f4e1405923c9dc8e53a1adacbda8"
|
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|
dependencies = [
|
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|
"cfg-if 1.0.0",
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"pin-project-lite",
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"tracing-attributes",
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"tracing-core",
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]
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[[package]]
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name = "tracing-attributes"
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version = "0.1.17"
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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|
checksum = "c4f915eb6abf914599c200260efced9203504c4c37380af10cdf3b7d36970650"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "tracing-core"
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version = "0.1.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1f4ed65637b8390770814083d20756f87bfa2c21bf2f110babdc5438351746e4"
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dependencies = [
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"lazy_static",
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]
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[[package]]
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[[package]]
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name = "typed-arena"
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name = "typed-arena"
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version = "1.7.0"
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version = "1.7.0"
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@ -22,6 +22,8 @@ futures-signals = "0.3.22"
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smol = "1.2.5"
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smol = "1.2.5"
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tracing = "0.1.28"
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signal-hook = "0.3.9"
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signal-hook = "0.3.9"
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slog = { version = "2.7.0", features = ["max_level_trace"] }
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slog = { version = "2.7.0", features = ["max_level_trace"] }
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slog-async = "2.7.0"
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slog-async = "2.7.0"
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capnp = "0.14.3"
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capnp = "0.14.3"
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capnpc = "0.14.4"
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capnp-rpc = "0.14.1"
|
capnp-rpc = "0.14.1"
|
||||||
capnp-futures = "0.14.1"
|
capnp-futures = "0.14.1"
|
||||||
|
|
||||||
@ -37,6 +40,11 @@ toml = "0.5.8"
|
|||||||
flexbuffers = "2.0.0"
|
flexbuffers = "2.0.0"
|
||||||
bincode = "2.0.0-dev"
|
bincode = "2.0.0-dev"
|
||||||
|
|
||||||
|
rkyv = "0.7"
|
||||||
|
ptr_meta = "0.1"
|
||||||
|
rkyv_typename = "0.7"
|
||||||
|
rkyv_dyn = "0.7"
|
||||||
|
|
||||||
serde_dhall = { version = "0.10.1", default-features = false }
|
serde_dhall = { version = "0.10.1", default-features = false }
|
||||||
serde_json = "1.0"
|
serde_json = "1.0"
|
||||||
|
|
||||||
|
|||||||
2
schema
2
schema
@ -1 +1 @@
|
|||||||
Subproject commit 2c01a62085937fbe89223b1bce65f1f2913878cc
|
Subproject commit 2a14158a76e96de753f37a50af0b604e0ccfa7b7
|
||||||
102
src/api.rs
102
src/api.rs
@ -1,102 +0,0 @@
|
|||||||
use std::rc::Rc;
|
|
||||||
use std::cell::RefCell;
|
|
||||||
use std::ops::Deref;
|
|
||||||
|
|
||||||
use slog::Logger;
|
|
||||||
|
|
||||||
use std::sync::Arc;
|
|
||||||
|
|
||||||
use capnp::capability::{Params, Results, Promise};
|
|
||||||
|
|
||||||
use crate::schema::connection_capnp;
|
|
||||||
use crate::connection::Session;
|
|
||||||
|
|
||||||
use crate::db::Databases;
|
|
||||||
use crate::db::user::UserId;
|
|
||||||
|
|
||||||
use crate::network::Network;
|
|
||||||
|
|
||||||
pub mod auth;
|
|
||||||
mod machine;
|
|
||||||
mod machines;
|
|
||||||
use machines::Machines;
|
|
||||||
|
|
||||||
mod user;
|
|
||||||
mod users;
|
|
||||||
use users::Users;
|
|
||||||
|
|
||||||
// TODO Session restoration by making the Bootstrap cap a SturdyRef
|
|
||||||
pub struct Bootstrap {
|
|
||||||
log: Logger,
|
|
||||||
|
|
||||||
db: Databases,
|
|
||||||
nw: Arc<Network>,
|
|
||||||
|
|
||||||
session: Rc<RefCell<Option<Session>>>,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl Bootstrap {
|
|
||||||
pub fn new(log: Logger, db: Databases, nw: Arc<Network>) -> Self {
|
|
||||||
info!(log, "Created Bootstrap");
|
|
||||||
let session = Rc::new(RefCell::new(None));
|
|
||||||
Self { session, db, nw, log }
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
use connection_capnp::bootstrap::*;
|
|
||||||
impl connection_capnp::bootstrap::Server for Bootstrap {
|
|
||||||
fn authentication_system(&mut self,
|
|
||||||
_: AuthenticationSystemParams,
|
|
||||||
mut res: AuthenticationSystemResults
|
|
||||||
) -> Promise<(), capnp::Error> {
|
|
||||||
// TODO: Forbid mutltiple authentication for now
|
|
||||||
// TODO: When should we allow multiple auth and how do me make sure that does not leak
|
|
||||||
// priviledges (e.g. due to previously issues caps)?
|
|
||||||
|
|
||||||
// If this Rc has a strong count of 1 then there's no other cap issued yet meaning we can
|
|
||||||
// safely transform the inner session with an auth.
|
|
||||||
if Rc::strong_count(&self.session) == 1 {
|
|
||||||
let session = Rc::clone(&self.session);
|
|
||||||
let db = self.db.clone();
|
|
||||||
res.get().set_authentication_system(capnp_rpc::new_client(
|
|
||||||
auth::Auth::new(self.log.new(o!()), db, session))
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
Promise::ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
fn machine_system(&mut self,
|
|
||||||
_: MachineSystemParams,
|
|
||||||
mut res: MachineSystemResults
|
|
||||||
) -> Promise<(), capnp::Error> {
|
|
||||||
if let Some(session) = self.session.borrow().deref() {
|
|
||||||
debug!(self.log, "Giving MachineSystem cap to user {} with perms:", session.authzid);
|
|
||||||
for r in session.perms.iter() {
|
|
||||||
debug!(session.log, " {}", r);
|
|
||||||
}
|
|
||||||
|
|
||||||
// TODO actual permission check and stuff
|
|
||||||
// Right now we only check that the user has authenticated at all.
|
|
||||||
let c = capnp_rpc::new_client(Machines::new(Rc::clone(&self.session), self.nw.clone()));
|
|
||||||
res.get().set_machine_system(c);
|
|
||||||
}
|
|
||||||
|
|
||||||
Promise::ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
fn user_system(
|
|
||||||
&mut self,
|
|
||||||
_: UserSystemParams,
|
|
||||||
mut results: UserSystemResults
|
|
||||||
) -> Promise<(), capnp::Error> {
|
|
||||||
if self.session.borrow().is_some() {
|
|
||||||
// TODO actual permission check and stuff
|
|
||||||
// Right now we only check that the user has authenticated at all.
|
|
||||||
let c = capnp_rpc::new_client(Users::new(Rc::clone(&self.session), self.db.userdb.clone()));
|
|
||||||
results.get().set_user_system(c);
|
|
||||||
}
|
|
||||||
|
|
||||||
Promise::ok(())
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@ -7,7 +7,6 @@ use slog::Logger;
|
|||||||
use smol::lock::Mutex;
|
use smol::lock::Mutex;
|
||||||
use smol::net::TcpStream;
|
use smol::net::TcpStream;
|
||||||
|
|
||||||
use crate::api::Bootstrap;
|
|
||||||
use crate::error::Result;
|
use crate::error::Result;
|
||||||
|
|
||||||
use capnp_rpc::{rpc_twoparty_capnp, twoparty};
|
use capnp_rpc::{rpc_twoparty_capnp, twoparty};
|
||||||
@ -78,7 +77,8 @@ impl ConnectionHandler {
|
|||||||
pub fn handle(&mut self, stream: TcpStream) -> impl Future<Output = Result<()>> {
|
pub fn handle(&mut self, stream: TcpStream) -> impl Future<Output = Result<()>> {
|
||||||
info!(self.log, "New connection from on {:?}", stream);
|
info!(self.log, "New connection from on {:?}", stream);
|
||||||
let boots = Bootstrap::new(self.log.new(o!()), self.db.clone(), self.network.clone());
|
let boots = Bootstrap::new(self.log.new(o!()), self.db.clone(), self.network.clone());
|
||||||
let rpc: connection_capnp::bootstrap::Client = capnp_rpc::new_client(boots);
|
unimplemented!();
|
||||||
|
/*let rpc: connection_capnp::bootstrap::Client = capnp_rpc::new_client(boots);
|
||||||
|
|
||||||
let network = twoparty::VatNetwork::new(
|
let network = twoparty::VatNetwork::new(
|
||||||
stream.clone(),
|
stream.clone(),
|
||||||
@ -90,5 +90,6 @@ impl ConnectionHandler {
|
|||||||
|
|
||||||
// Convert the error type to one of our errors
|
// Convert the error type to one of our errors
|
||||||
rpc_system.map(|r| r.map_err(Into::into))
|
rpc_system.map(|r| r.map_err(Into::into))
|
||||||
|
*/
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
353
src/db.rs
353
src/db.rs
@ -1,99 +1,73 @@
|
|||||||
use std::sync::Arc;
|
use std::{
|
||||||
use std::path::PathBuf;
|
mem::size_of,
|
||||||
use std::str::FromStr;
|
ops::Deref,
|
||||||
use std::ops::{Deref, DerefMut};
|
ptr::NonNull,
|
||||||
|
rc::Rc,
|
||||||
|
sync::Arc,
|
||||||
|
marker::PhantomData,
|
||||||
|
hash::{
|
||||||
|
Hash,
|
||||||
|
Hasher,
|
||||||
|
BuildHasher,
|
||||||
|
},
|
||||||
|
collections::hash_map::RandomState,
|
||||||
|
};
|
||||||
|
|
||||||
use slog::Logger;
|
use rkyv::{
|
||||||
|
Archive,
|
||||||
|
Archived,
|
||||||
|
archived_root,
|
||||||
|
|
||||||
use crate::error::Result;
|
Serialize,
|
||||||
use crate::config::Config;
|
Deserialize,
|
||||||
|
|
||||||
/// (Hashed) password database
|
ser::serializers::AllocScratchError,
|
||||||
pub mod pass;
|
};
|
||||||
|
|
||||||
/// User storage
|
|
||||||
pub mod user;
|
|
||||||
|
|
||||||
/// Access control storage
|
|
||||||
///
|
|
||||||
/// Stores&Retrieves Permissions and Roles
|
|
||||||
pub mod access;
|
|
||||||
|
|
||||||
/// Machine storage
|
|
||||||
///
|
|
||||||
/// Stores&Retrieves Machines
|
|
||||||
pub mod machine;
|
|
||||||
|
|
||||||
#[derive(Clone)]
|
|
||||||
pub struct Databases {
|
|
||||||
pub access: Arc<access::AccessControl>,
|
|
||||||
pub machine: Arc<machine::internal::Internal>,
|
|
||||||
pub userdb: Arc<user::Internal>,
|
|
||||||
}
|
|
||||||
|
|
||||||
const LMDB_MAX_DB: u32 = 16;
|
|
||||||
|
|
||||||
impl Databases {
|
|
||||||
pub fn new(log: &Logger, config: &Config) -> Result<Self> {
|
|
||||||
|
|
||||||
// Initialize the LMDB environment. This blocks until the mmap() finishes
|
|
||||||
info!(log, "LMDB env");
|
|
||||||
let env = lmdb::Environment::new()
|
|
||||||
.set_flags(lmdb::EnvironmentFlags::MAP_ASYNC | lmdb::EnvironmentFlags::NO_SUB_DIR)
|
|
||||||
.set_max_dbs(LMDB_MAX_DB as libc::c_uint)
|
|
||||||
.open(config.db_path.as_path())?;
|
|
||||||
|
|
||||||
// Start loading the machine database, authentication system and permission system
|
|
||||||
// All of those get a custom logger so the source of a log message can be better traced and
|
|
||||||
// filtered
|
|
||||||
let env = Arc::new(env);
|
|
||||||
let mdb = machine::init(log.new(o!("system" => "machines")), &config, env.clone())?;
|
|
||||||
|
|
||||||
let permdb = access::init(log.new(o!("system" => "permissions")), &config, env.clone())?;
|
|
||||||
let ac = access::AccessControl::new(permdb);
|
|
||||||
|
|
||||||
let userdb = user::init(log.new(o!("system" => "users")), &config, env.clone())?;
|
|
||||||
|
|
||||||
Ok(Self {
|
|
||||||
access: Arc::new(ac),
|
|
||||||
machine: Arc::new(mdb),
|
|
||||||
userdb: Arc::new(userdb),
|
|
||||||
})
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
use lmdb::{
|
use lmdb::{
|
||||||
Environment,
|
|
||||||
Database,
|
Database,
|
||||||
Transaction,
|
|
||||||
RoTransaction,
|
|
||||||
RwTransaction,
|
|
||||||
WriteFlags,
|
|
||||||
Cursor,
|
Cursor,
|
||||||
RoCursor,
|
RoCursor,
|
||||||
RwCursor,
|
|
||||||
Iter,
|
Iter,
|
||||||
};
|
};
|
||||||
|
|
||||||
|
pub use rkyv::{
|
||||||
|
Fallible,
|
||||||
|
};
|
||||||
|
pub use lmdb::{
|
||||||
|
Environment,
|
||||||
|
|
||||||
|
DatabaseFlags,
|
||||||
|
WriteFlags,
|
||||||
|
|
||||||
|
Transaction,
|
||||||
|
RoTransaction,
|
||||||
|
RwTransaction,
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
#[derive(Debug, Clone)]
|
#[derive(Debug, Clone)]
|
||||||
pub struct DB {
|
pub struct RawDB {
|
||||||
env: Arc<Environment>,
|
|
||||||
db: Database,
|
db: Database,
|
||||||
}
|
}
|
||||||
|
|
||||||
impl DB {
|
impl RawDB {
|
||||||
pub fn new(env: Arc<Environment>, db: Database) -> Self {
|
pub fn open(env: &Environment, name: Option<&str>) -> lmdb::Result<Self> {
|
||||||
Self { env, db }
|
env.open_db(name).map(|db| Self { db })
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn open(env: Arc<Environment>, name: &str) -> lmdb::Result<Self> {
|
pub fn create(env: &Environment, name: Option<&str>, flags: DatabaseFlags) -> lmdb::Result<Self> {
|
||||||
env.open_db(Some(name)).map(|db| { Self::new(env.clone(), db) })
|
env.create_db(name, flags).map(|db| Self { db })
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn get<'txn, T: Transaction, K>(&self, txn: &'txn T, key: &K) -> lmdb::Result<&'txn [u8]>
|
pub fn get<'txn, T: Transaction, K>(&self, txn: &'txn T, key: &K) -> lmdb::Result<Option<&'txn [u8]>>
|
||||||
where K: AsRef<[u8]>
|
where K: AsRef<[u8]>
|
||||||
{
|
{
|
||||||
txn.get(self.db, key)
|
match txn.get(self.db, key) {
|
||||||
|
Ok(buf) => Ok(Some(buf)),
|
||||||
|
Err(lmdb::Error::NotFound) => Ok(None),
|
||||||
|
Err(e) => Err(e),
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn put<K, V>(&self, txn: &mut RwTransaction, key: &K, value: &V, flags: WriteFlags)
|
pub fn put<K, V>(&self, txn: &mut RwTransaction, key: &K, value: &V, flags: WriteFlags)
|
||||||
@ -125,154 +99,144 @@ impl DB {
|
|||||||
pub fn open_ro_cursor<'txn, T: Transaction>(&self, txn: &'txn T) -> lmdb::Result<RoCursor<'txn>> {
|
pub fn open_ro_cursor<'txn, T: Transaction>(&self, txn: &'txn T) -> lmdb::Result<RoCursor<'txn>> {
|
||||||
txn.open_ro_cursor(self.db)
|
txn.open_ro_cursor(self.db)
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn begin_ro_txn<'env>(&'env self) -> lmdb::Result<RoTransaction<'env>> {
|
|
||||||
self.env.begin_ro_txn()
|
|
||||||
}
|
|
||||||
|
|
||||||
pub fn begin_rw_txn<'env>(&'env self) -> lmdb::Result<RwTransaction<'env>> {
|
|
||||||
self.env.begin_rw_txn()
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
use std::result::Result as StdResult;
|
/// An read-only entry reference
|
||||||
use serde::{Serialize, Deserialize};
|
pub struct EntryPtr<'txn, K, V> {
|
||||||
use bincode::Options;
|
key: &'txn K,
|
||||||
|
val: &'txn V,
|
||||||
pub trait DatabaseAdapter {
|
|
||||||
type Key: ?Sized;
|
|
||||||
type Err: From<lmdb::Error> + From<bincode::Error>;
|
|
||||||
|
|
||||||
fn serialize_key(key: &Self::Key) -> &[u8];
|
|
||||||
fn deserialize_key<'de>(input: &'de [u8]) -> StdResult<&'de Self::Key, Self::Err>;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
// Should we for some reason ever need to have different Options for different adapters we can have
|
#[derive(Archive, Serialize, Deserialize)]
|
||||||
// this in the DatabaseAdapter trait too
|
/// The entry as it is stored inside the database.
|
||||||
fn bincode_default() -> impl bincode::Options {
|
struct Entry<K: Archive, V: Archive> {
|
||||||
bincode::DefaultOptions::new()
|
key: K,
|
||||||
.with_varint_encoding()
|
val: V,
|
||||||
}
|
}
|
||||||
|
|
||||||
use std::marker::PhantomData;
|
pub struct HashDB<'txn, K, V, S = RandomState> {
|
||||||
|
db: RawDB,
|
||||||
pub struct Objectstore<'a, A, V: ?Sized> {
|
hash_builder: S,
|
||||||
pub db: DB,
|
phantom: &'txn PhantomData<(K,V)>,
|
||||||
adapter: PhantomData<A>,
|
|
||||||
marker: PhantomData<&'a V>
|
|
||||||
}
|
}
|
||||||
|
|
||||||
impl<A, V: ?Sized> Objectstore<'_, A, V> {
|
impl<K, V> HashDB<'_, K, V>
|
||||||
pub fn new(db: DB) -> Self {
|
|
||||||
Self {
|
|
||||||
db: db,
|
|
||||||
adapter: PhantomData,
|
|
||||||
marker: PhantomData,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl<'txn, A, V> Objectstore<'txn, A, V>
|
|
||||||
where A: DatabaseAdapter,
|
|
||||||
V: ?Sized + Serialize + Deserialize<'txn>,
|
|
||||||
{
|
{
|
||||||
pub fn get<T: Transaction>(&self, txn: &'txn T, key: &A::Key)
|
pub fn create(env: &Environment, name: Option<&str>) -> lmdb::Result<Self> {
|
||||||
-> StdResult<Option<V>, A::Err>
|
Self::create_with_hasher(env, name, RandomState::new())
|
||||||
{
|
}
|
||||||
let opts = bincode_default();
|
pub fn open(env: &Environment, name: Option<&str>) -> lmdb::Result<Self> {
|
||||||
|
Self::open_with_hasher(env, name, RandomState::new())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
self.db.get(txn, &A::serialize_key(key))
|
impl<K, V, S> HashDB<'_, K, V, S>
|
||||||
.map_or_else(
|
{
|
||||||
|err| match err {
|
pub fn create_with_hasher(env: &Environment, name: Option<&str>, hash_builder: S) -> lmdb::Result<Self> {
|
||||||
lmdb::Error::NotFound => Ok(None),
|
let flags = DatabaseFlags::INTEGER_KEY | DatabaseFlags::DUP_SORT;
|
||||||
e => Err(e.into()),
|
let db = RawDB::create(env, name, flags)?;
|
||||||
},
|
|
||||||
|ok| opts.deserialize(ok)
|
Ok(Self {
|
||||||
.map_err(|e| e.into())
|
db,
|
||||||
.map(Option::Some)
|
hash_builder,
|
||||||
)
|
phantom: &PhantomData,
|
||||||
|
})
|
||||||
|
}
|
||||||
|
pub fn open_with_hasher(env: &Environment, name: Option<&str>, hash_builder: S) -> lmdb::Result<Self> {
|
||||||
|
let db = RawDB::open(env, name)?;
|
||||||
|
|
||||||
|
Ok(Self {
|
||||||
|
db,
|
||||||
|
hash_builder,
|
||||||
|
phantom: &PhantomData,
|
||||||
|
})
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Update `value` in-place from the database
|
}
|
||||||
|
|
||||||
|
impl<'txn, K, V, S> HashDB<'txn, K, V, S>
|
||||||
|
where K: Eq + Hash + Archive,
|
||||||
|
V: Archive,
|
||||||
|
S: BuildHasher,
|
||||||
|
K::Archived: PartialEq<K>,
|
||||||
|
{
|
||||||
|
/// Retrieve an entry from the hashdb
|
||||||
///
|
///
|
||||||
/// Returns `Ok(false)` if the key wasn't found. If this functions returns an error `value`
|
/// The result is a view pinned to the lifetime of the transaction. You can get owned Values
|
||||||
/// will be in an indeterminate state where some parts may be updated from the db.
|
/// using [`Deserialize`].
|
||||||
pub fn get_in_place<T: Transaction>(&self, txn: &'txn T, key: &A::Key, value: &mut V)
|
pub fn get<T: Transaction>(&self, txn: &'txn T, key: &K) -> lmdb::Result<Option<&'txn Archived<Entry<K, V>>>>
|
||||||
-> StdResult<bool, A::Err>
|
|
||||||
{
|
{
|
||||||
let opts = bincode_default();
|
let mut hasher = self.hash_builder.build_hasher();
|
||||||
|
key.hash(&mut hasher);
|
||||||
|
let hash = hasher.finish();
|
||||||
|
|
||||||
self.db.get(txn, &A::serialize_key(key))
|
|
||||||
.map_or_else(
|
|
||||||
|err| match err {
|
|
||||||
lmdb::Error::NotFound => Ok(false),
|
|
||||||
e => Err(e.into()),
|
|
||||||
},
|
|
||||||
|ok| opts.deserialize_in_place_buffer(ok, value)
|
|
||||||
.map_err(|e| e.into())
|
|
||||||
.map(|()| true)
|
|
||||||
)
|
|
||||||
}
|
|
||||||
|
|
||||||
pub fn iter<T: Transaction>(&self, txn: &'txn T) -> StdResult<ObjectIter<'txn, A, V>, A::Err> {
|
|
||||||
let mut cursor = self.db.open_ro_cursor(txn)?;
|
let mut cursor = self.db.open_ro_cursor(txn)?;
|
||||||
let iter = cursor.iter_start();
|
for res in cursor.iter_dup_of(&hash.to_ne_bytes()) {
|
||||||
Ok(ObjectIter::new(cursor, iter))
|
let (_keybuf, valbuf) = res?;
|
||||||
|
let entry: &Archived<Entry<K, V>> = unsafe { archived_root::<Entry<K,V>>(valbuf.as_ref()) };
|
||||||
|
|
||||||
|
if &entry.key == key {
|
||||||
|
return Ok(Some(entry)) /*(EntryPtr {
|
||||||
|
key: &entry.key,
|
||||||
|
val: &entry.val,
|
||||||
|
}))*/;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn put(&self, txn: &'txn mut RwTransaction, key: &A::Key, value: &V, flags: lmdb::WriteFlags)
|
Ok(None)
|
||||||
-> StdResult<(), A::Err>
|
|
||||||
{
|
|
||||||
let opts = bincode::DefaultOptions::new()
|
|
||||||
.with_varint_encoding();
|
|
||||||
|
|
||||||
// Serialized values are always at most as big as their memory representation.
|
|
||||||
// So even if usize is 32 bit this is safe given no segmenting is taking place.
|
|
||||||
let bufsize = opts.serialized_size(value)? as usize;
|
|
||||||
|
|
||||||
let buffer = self.db.reserve(txn, &A::serialize_key(key), bufsize, flags)?;
|
|
||||||
|
|
||||||
opts.serialize_into(buffer, value).map_err(|e| e.into())
|
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn del(&self, txn: &'txn mut RwTransaction, key: &A::Key)
|
pub fn insert(&self, txn: &mut RwTransaction, entry: Archived<Entry<K, V>>) -> lmdb::Result<()> {
|
||||||
-> StdResult<(), A::Err>
|
|
||||||
{
|
|
||||||
self.db.del::<&[u8], &[u8]>(txn, &A::serialize_key(key), None).map_err(|e| e.into())
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub struct ObjectIter<'txn, A, V: ?Sized> {
|
/// Memory Fixpoint for a value in the DB
|
||||||
cursor: RoCursor<'txn>,
|
///
|
||||||
inner: Iter<'txn>,
|
/// LMDB binds lifetimes of buffers to the transaction that returned the buffer. As long as this
|
||||||
|
/// transaction is not `commit()`ed, `abort()`ed or `reset()`ed the pages containing these values
|
||||||
adapter: PhantomData<A>,
|
/// are not returned into circulation.
|
||||||
marker: PhantomData<&'txn V>,
|
/// This struct encodes this by binding a live reference to the Transaction to the returned
|
||||||
|
/// and interpreted buffer. The placeholder `T` is the container for the transaction. This may be a
|
||||||
|
/// plain `RoTransaction<'env>`, a `Rc<RoTxn>` (meaning Fix is !Send) or an `Arc<RoTxn>`, depending
|
||||||
|
/// on your needs.
|
||||||
|
pub struct Fix<T, V: Archive> {
|
||||||
|
ptr: NonNull<V::Archived>,
|
||||||
|
txn: T,
|
||||||
}
|
}
|
||||||
|
pub type PinnedGet<'env, V> = Fix<RoTransaction<'env>, V>;
|
||||||
|
pub type LocalKeep<'env, V> = Fix<Rc<RoTransaction<'env>>, V>;
|
||||||
|
pub type GlobalKeep<'env, V> = Fix<Arc<RoTransaction<'env>>, V>;
|
||||||
|
|
||||||
impl<'txn, A, V: ?Sized> ObjectIter<'txn, A, V> {
|
impl<'env, T, V> Fix<T, V>
|
||||||
pub fn new(cursor: RoCursor<'txn>, inner: Iter<'txn>) -> Self {
|
where T: AsRef<RoTransaction<'env>>,
|
||||||
let marker = PhantomData;
|
V: Archive,
|
||||||
let adapter = PhantomData;
|
|
||||||
Self { cursor, inner, adapter, marker }
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl<'txn, A, V> Iterator for ObjectIter<'txn, A, V>
|
|
||||||
where A: DatabaseAdapter,
|
|
||||||
V: ?Sized + Serialize + Deserialize<'txn>,
|
|
||||||
{
|
{
|
||||||
type Item = StdResult<V, A::Err>;
|
pub fn get(txn: T, db: &DB<V>, key: u64) -> lmdb::Result<Option<Self>> {
|
||||||
|
match db.get(txn.as_ref(), &key.to_ne_bytes()) {
|
||||||
fn next(&mut self) -> Option<Self::Item> {
|
Ok(buf) => Ok(Some(
|
||||||
self.inner.next()?
|
Self {
|
||||||
.map_or_else(
|
ptr: unsafe { archived_root::<V>(buf.as_ref()).into() },
|
||||||
|err| Some(Err(err.into())),
|
txn,
|
||||||
|(_, v)| Some(bincode_default().deserialize(v).map_err(|e| e.into()))
|
}
|
||||||
)
|
)),
|
||||||
|
Err(lmdb::Error::NotFound) => Ok(None),
|
||||||
|
Err(e) => Err(e),
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
impl<'env, T, V> Deref for Fix<T, V>
|
||||||
|
where T: AsRef<RoTransaction<'env>>,
|
||||||
|
V: Archive,
|
||||||
|
{
|
||||||
|
type Target = V::Archived;
|
||||||
|
|
||||||
|
fn deref(&self) -> &Self::Target {
|
||||||
|
// As long as the transaction is kept alive (which it is, because it's in self) state is a
|
||||||
|
// valid pointer so this is safe.
|
||||||
|
unsafe { self.ptr.as_ref() }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
#[cfg(test)]
|
#[cfg(test)]
|
||||||
mod tests {
|
mod tests {
|
||||||
@ -356,7 +320,6 @@ mod tests {
|
|||||||
|
|
||||||
let db = DB::new(e.env.clone(), ldb);
|
let db = DB::new(e.env.clone(), ldb);
|
||||||
|
|
||||||
let adapter = TestAdapter;
|
|
||||||
let testdb = TestDB::new(db.clone());
|
let testdb = TestDB::new(db.clone());
|
||||||
|
|
||||||
let mut val = "value";
|
let mut val = "value";
|
||||||
|
|||||||
@ -75,7 +75,7 @@ impl MachineState {
|
|||||||
|
|
||||||
pub fn init(log: Logger, _config: &Config, env: Arc<lmdb::Environment>) -> Result<Internal> {
|
pub fn init(log: Logger, _config: &Config, env: Arc<lmdb::Environment>) -> Result<Internal> {
|
||||||
let mut flags = lmdb::DatabaseFlags::empty();
|
let mut flags = lmdb::DatabaseFlags::empty();
|
||||||
flags.set(lmdb::DatabaseFlags::INTEGER_KEY, true);
|
//flags.set(lmdb::DatabaseFlags::INTEGER_KEY, true);
|
||||||
let machdb = env.create_db(Some("machines"), flags)?;
|
let machdb = env.create_db(Some("machines"), flags)?;
|
||||||
debug!(&log, "Opened machine db successfully.");
|
debug!(&log, "Opened machine db successfully.");
|
||||||
|
|
||||||
|
|||||||
12
src/error.rs
12
src/error.rs
@ -10,7 +10,7 @@ use futures::task as futures_task;
|
|||||||
|
|
||||||
use paho_mqtt::errors as mqtt;
|
use paho_mqtt::errors as mqtt;
|
||||||
|
|
||||||
use crate::network;
|
//FIXME use crate::network;
|
||||||
|
|
||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
pub enum Error {
|
pub enum Error {
|
||||||
@ -28,7 +28,7 @@ pub enum Error {
|
|||||||
MQTT(mqtt::Error),
|
MQTT(mqtt::Error),
|
||||||
BadVersion((u32,u32)),
|
BadVersion((u32,u32)),
|
||||||
Argon2(argon2::Error),
|
Argon2(argon2::Error),
|
||||||
EventNetwork(network::Error),
|
//EventNetwork(network::Error),
|
||||||
Denied,
|
Denied,
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -80,9 +80,9 @@ impl fmt::Display for Error {
|
|||||||
Error::Denied => {
|
Error::Denied => {
|
||||||
write!(f, "You do not have the permission required to do that.")
|
write!(f, "You do not have the permission required to do that.")
|
||||||
}
|
}
|
||||||
Error::EventNetwork(e) => {
|
/*Error::EventNetwork(e) => {
|
||||||
e.fmt(f)
|
e.fmt(f)
|
||||||
}
|
}*/
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -159,11 +159,11 @@ impl From<mqtt::Error> for Error {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
impl From<network::Error> for Error {
|
/*impl From<network::Error> for Error {
|
||||||
fn from(e: network::Error) -> Error {
|
fn from(e: network::Error) -> Error {
|
||||||
Error::EventNetwork(e)
|
Error::EventNetwork(e)
|
||||||
}
|
}
|
||||||
}
|
}*/
|
||||||
|
|
||||||
impl From<argon2::Error> for Error {
|
impl From<argon2::Error> for Error {
|
||||||
fn from(e: argon2::Error) -> Error {
|
fn from(e: argon2::Error) -> Error {
|
||||||
|
|||||||
19
src/main.rs
19
src/main.rs
@ -9,13 +9,11 @@ extern crate capnp_rpc;
|
|||||||
|
|
||||||
extern crate async_trait;
|
extern crate async_trait;
|
||||||
|
|
||||||
|
/*
|
||||||
mod modules;
|
mod modules;
|
||||||
mod log;
|
mod log;
|
||||||
mod api;
|
|
||||||
mod config;
|
mod config;
|
||||||
mod error;
|
|
||||||
mod connection;
|
mod connection;
|
||||||
mod schema;
|
|
||||||
mod db;
|
mod db;
|
||||||
mod machine;
|
mod machine;
|
||||||
mod builtin;
|
mod builtin;
|
||||||
@ -24,8 +22,15 @@ mod network;
|
|||||||
mod actor;
|
mod actor;
|
||||||
mod initiator;
|
mod initiator;
|
||||||
mod space;
|
mod space;
|
||||||
|
*/
|
||||||
|
|
||||||
mod resource;
|
mod resource;
|
||||||
|
mod schema;
|
||||||
|
mod state;
|
||||||
|
mod error;
|
||||||
|
mod db;
|
||||||
|
|
||||||
|
/*
|
||||||
|
|
||||||
use clap::{App, Arg};
|
use clap::{App, Arg};
|
||||||
|
|
||||||
@ -44,8 +49,13 @@ use slog::Logger;
|
|||||||
|
|
||||||
use paho_mqtt::AsyncClient;
|
use paho_mqtt::AsyncClient;
|
||||||
use crate::config::Config;
|
use crate::config::Config;
|
||||||
|
*/
|
||||||
|
|
||||||
fn main() {
|
pub fn main() {
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/*fn main() {
|
||||||
use clap::{crate_version, crate_description, crate_name};
|
use clap::{crate_version, crate_description, crate_name};
|
||||||
|
|
||||||
// Argument parsing
|
// Argument parsing
|
||||||
@ -199,3 +209,4 @@ fn maybe(matches: clap::ArgMatches, log: Arc<Logger>) -> Result<(), Error> {
|
|||||||
server::serve_api_connections(log.clone(), config, db, network, ex)
|
server::serve_api_connections(log.clone(), config, db, network, ex)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
*/
|
||||||
|
|||||||
109
src/resource.rs
109
src/resource.rs
@ -1,25 +1,92 @@
|
|||||||
use core::sync::atomic;
|
use async_trait::async_trait;
|
||||||
|
|
||||||
/// A something BFFH holds internal state of
|
use std::pin::Pin;
|
||||||
pub struct Resource {
|
use std::task::{Poll, Context};
|
||||||
// claims
|
|
||||||
strong: atomic::AtomicUsize,
|
use futures::ready;
|
||||||
weak: atomic::AtomicUsize,
|
use futures::future::{Future, BoxFuture};
|
||||||
max_strong: usize,
|
use futures::channel::oneshot;
|
||||||
|
use futures::sink::Sink;
|
||||||
|
use futures_signals::signal::Mutable;
|
||||||
|
|
||||||
|
use smol::prelude::*;
|
||||||
|
use smol::future::FutureExt;
|
||||||
|
use smol::channel::{Sender, Receiver};
|
||||||
|
|
||||||
|
use crate::error::Error;
|
||||||
|
use crate::state::{State, StateStorage};
|
||||||
|
|
||||||
|
/// A resource in BFFH has to contain several different parts;
|
||||||
|
/// - Currently set state
|
||||||
|
/// - Execution state of attached actors (⇒ BFFH's job)
|
||||||
|
/// - Output of interal logic of a resource
|
||||||
|
/// ⇒ Resource logic gets read access to set state and write access to output state.
|
||||||
|
/// ⇒ state `update` happens via resource logic. This logic should do access control. If the update
|
||||||
|
/// succeeds then BFFH stores those input parameters ("set" state) and results / output state.
|
||||||
|
/// Storing input parameters is relevant so that BFFH can know that an "update" is a no-op
|
||||||
|
/// without having to run the module code.
|
||||||
|
/// ⇒ in fact actors only really care about the output state, and shouldn't (need to) see "set"
|
||||||
|
/// state.
|
||||||
|
/// ⇒ example reserving:
|
||||||
|
/// - Claimant sends 'update' message with a new state
|
||||||
|
/// - Doesn't set the state until `update` has returned Ok.
|
||||||
|
/// - This runs the `update` function with that new state and the claimants user context returning
|
||||||
|
/// either an Ok or an Error.
|
||||||
|
/// - Error is returned to Claimant to show user, stop.
|
||||||
|
/// - On ok:
|
||||||
|
/// - Commit new "set" state, storing it and making it visible to all other claimants
|
||||||
|
/// - Commit new output state, storing it and notifying all connected actors / Notify
|
||||||
|
/// ⇒ BFFHs job in this whole ordeal is:
|
||||||
|
/// - Message passing primitives so that update message are queued
|
||||||
|
/// - As reliable as possible storage system for input and output state
|
||||||
|
/// - Again message passing so that updates are broadcasted to all Notify and Actors.
|
||||||
|
/// ⇒ Resource module's job is:
|
||||||
|
/// - Validating updates semantically i.e. are the types correct
|
||||||
|
/// - Check authorization of updates i.e. is this user allowed to do that
|
||||||
|
#[async_trait]
|
||||||
|
pub trait Resource {
|
||||||
|
/// Returns true if the given state is valid, and false otherwise
|
||||||
|
fn validate(&mut self, state: &State) -> bool;
|
||||||
|
|
||||||
|
/// Run whatever internal logic this resource has for the given State update, and return the
|
||||||
|
/// new output state that this update produces.
|
||||||
|
async fn update(&mut self, state: &State) -> Result<State, Error>;
|
||||||
}
|
}
|
||||||
|
|
||||||
/// A claim is taken in lieu of an user on a resource.
|
pub struct Update {
|
||||||
///
|
pub state: State,
|
||||||
/// They come in two flavours: Weak, of which an infinite amount can exist, and Strong which may be
|
pub errchan: oneshot::Sender<Error>,
|
||||||
/// limited in number. Strong claims represent the right of the user to use this resource
|
}
|
||||||
/// "writable". A weak claim indicates co-usage of a resource and are mainly useful for notice and
|
|
||||||
/// information of the respective other ones. E.g. a space would be strongly claimed by keyholders
|
pub struct ResourceDriver {
|
||||||
/// when they check in and released when they check out and weakly claimed by everybody else. In
|
res: Box<dyn Resource>,
|
||||||
/// that case the last strong claim could also fail to be released if there are outstanding weak
|
db: StateStorage,
|
||||||
/// claims. Alternatively, releasing the last strong claim also releases all weak claims and sets
|
|
||||||
/// the resource to "Free" again.
|
rx: Receiver<Update>,
|
||||||
///
|
signal: Mutable<State>,
|
||||||
/// Most importantly, claims can be released by *both* the claim holder and the resource.
|
}
|
||||||
pub struct Claim {
|
|
||||||
id: u128,
|
impl ResourceDriver {
|
||||||
|
pub async fn drive_to_end(&mut self) {
|
||||||
|
while let Ok(update) = self.rx.recv().await {
|
||||||
|
let state = update.state;
|
||||||
|
let errchan = update.errchan;
|
||||||
|
|
||||||
|
match self.res.update(&state).await {
|
||||||
|
Ok(outstate) => {
|
||||||
|
// FIXME: Send any error here to some global error collector. A failed write to
|
||||||
|
// the DB is not necessarily fatal, but it means that BFFH is now in an
|
||||||
|
// inconsistent state until a future update succeeds with writing to the DB.
|
||||||
|
// Not applying the new state isn't correct either since we don't know what the
|
||||||
|
// internal logic of the resource has done to make this happen.
|
||||||
|
// Another half right solution is to unwrap and recreate everything.
|
||||||
|
self.db.store(&state, &outstate);
|
||||||
|
self.signal.set_neq(outstate);
|
||||||
|
},
|
||||||
|
Err(e) => {
|
||||||
|
errchan.send(e);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@ -1,31 +1,28 @@
|
|||||||
|
pub use capnpc::schema_capnp;
|
||||||
|
|
||||||
#[allow(dead_code)]
|
#[allow(dead_code)]
|
||||||
pub mod authenticationsystem_capnp {
|
pub mod auth_capnp {
|
||||||
include!(concat!(env!("OUT_DIR"), "/schema/authenticationsystem_capnp.rs"));
|
include!(concat!(env!("OUT_DIR"), "/schema/auth_capnp.rs"));
|
||||||
}
|
}
|
||||||
|
|
||||||
#[allow(dead_code)]
|
#[allow(dead_code)]
|
||||||
pub mod connection_capnp {
|
pub mod main_capnp {
|
||||||
include!(concat!(env!("OUT_DIR"), "/schema/connection_capnp.rs"));
|
include!(concat!(env!("OUT_DIR"), "/schema/main_capnp.rs"));
|
||||||
}
|
}
|
||||||
|
|
||||||
#[allow(dead_code)]
|
#[allow(dead_code)]
|
||||||
pub mod general_capnp {
|
pub mod utils_capnp {
|
||||||
include!(concat!(env!("OUT_DIR"), "/schema/general_capnp.rs"));
|
include!(concat!(env!("OUT_DIR"), "/schema/utils_capnp.rs"));
|
||||||
}
|
}
|
||||||
|
|
||||||
#[allow(dead_code)]
|
#[allow(dead_code)]
|
||||||
pub mod machine_capnp {
|
pub mod resource_capnp {
|
||||||
include!(concat!(env!("OUT_DIR"), "/schema/machine_capnp.rs"));
|
include!(concat!(env!("OUT_DIR"), "/schema/resource_capnp.rs"));
|
||||||
}
|
}
|
||||||
|
|
||||||
#[allow(dead_code)]
|
#[allow(dead_code)]
|
||||||
pub mod machinesystem_capnp {
|
pub mod resources_capnp {
|
||||||
include!(concat!(env!("OUT_DIR"), "/schema/machinesystem_capnp.rs"));
|
include!(concat!(env!("OUT_DIR"), "/schema/resources_capnp.rs"));
|
||||||
}
|
|
||||||
|
|
||||||
#[allow(dead_code)]
|
|
||||||
pub mod permissionsystem_capnp {
|
|
||||||
include!(concat!(env!("OUT_DIR"), "/schema/permissionsystem_capnp.rs"));
|
|
||||||
}
|
}
|
||||||
|
|
||||||
#[allow(dead_code)]
|
#[allow(dead_code)]
|
||||||
@ -33,17 +30,12 @@ pub mod role_capnp {
|
|||||||
include!(concat!(env!("OUT_DIR"), "/schema/role_capnp.rs"));
|
include!(concat!(env!("OUT_DIR"), "/schema/role_capnp.rs"));
|
||||||
}
|
}
|
||||||
|
|
||||||
#[allow(dead_code)]
|
|
||||||
pub mod space_capnp {
|
|
||||||
include!(concat!(env!("OUT_DIR"), "/schema/space_capnp.rs"));
|
|
||||||
}
|
|
||||||
|
|
||||||
#[allow(dead_code)]
|
#[allow(dead_code)]
|
||||||
pub mod user_capnp {
|
pub mod user_capnp {
|
||||||
include!(concat!(env!("OUT_DIR"), "/schema/user_capnp.rs"));
|
include!(concat!(env!("OUT_DIR"), "/schema/user_capnp.rs"));
|
||||||
}
|
}
|
||||||
|
|
||||||
#[allow(dead_code)]
|
#[allow(dead_code)]
|
||||||
pub mod usersystem_capnp {
|
pub mod users_capnp {
|
||||||
include!(concat!(env!("OUT_DIR"), "/schema/usersystem_capnp.rs"));
|
include!(concat!(env!("OUT_DIR"), "/schema/users_capnp.rs"));
|
||||||
}
|
}
|
||||||
|
|||||||
332
src/state.rs
Normal file
332
src/state.rs
Normal file
@ -0,0 +1,332 @@
|
|||||||
|
use std::fmt;
|
||||||
|
use std::rc::Rc;
|
||||||
|
use std::sync::Arc;
|
||||||
|
use std::any::Any;
|
||||||
|
use std::collections::{HashMap, hash_map::DefaultHasher};
|
||||||
|
use std::hash::{Hash, Hasher};
|
||||||
|
use std::default::Default;
|
||||||
|
use std::ptr::NonNull;
|
||||||
|
use std::alloc::Layout;
|
||||||
|
use std::ops::Deref;
|
||||||
|
|
||||||
|
use rkyv::{
|
||||||
|
Archive,
|
||||||
|
Archived,
|
||||||
|
|
||||||
|
Serialize,
|
||||||
|
Deserialize,
|
||||||
|
|
||||||
|
Fallible,
|
||||||
|
ser::{
|
||||||
|
Serializer,
|
||||||
|
ScratchSpace,
|
||||||
|
serializers::*,
|
||||||
|
},
|
||||||
|
|
||||||
|
string::{
|
||||||
|
StringResolver,
|
||||||
|
ArchivedString,
|
||||||
|
},
|
||||||
|
|
||||||
|
out_field,
|
||||||
|
archived_root,
|
||||||
|
};
|
||||||
|
use rkyv_dyn::{
|
||||||
|
archive_dyn,
|
||||||
|
};
|
||||||
|
use rkyv_typename::TypeName;
|
||||||
|
|
||||||
|
use crate::error::Error;
|
||||||
|
use crate::db::{DB, Environment, WriteFlags, Transaction, RoTransaction};
|
||||||
|
|
||||||
|
#[archive_dyn(deserialize)]
|
||||||
|
/// Trait to be implemented by any value in the state map.
|
||||||
|
///
|
||||||
|
/// A value can be any type not having dangling references (with the added restriction that it has
|
||||||
|
/// to implement `Debug` for debugger QoL).
|
||||||
|
/// In fact Value *also* needs to implement Hash since BFFH checks if the state is different to
|
||||||
|
/// before on input and output before updating the resource re. notifying actors and notifys. This
|
||||||
|
/// dependency is not expressable via supertraits since it is not possible to make Hash into a
|
||||||
|
/// trait object.
|
||||||
|
/// To solve this [`State`] uses the [`StateBuilder`] which adds an `Hash` requirement for inputs
|
||||||
|
/// on [`add`](struct::StateBuilder::add). The hash is being created over all inserted values and
|
||||||
|
/// then used to check for equality. Note that in addition to collisions, Hash is not guaranteed
|
||||||
|
/// stable over ordering and will additionally not track overwrites, so if the order of insertions
|
||||||
|
/// changes or values are set and later overwritten then two equal States can and are likely to
|
||||||
|
/// have different hashes.
|
||||||
|
pub trait Value: Any + fmt::Debug { }
|
||||||
|
|
||||||
|
#[repr(transparent)]
|
||||||
|
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, Archive, Serialize, Deserialize)]
|
||||||
|
#[archive_attr(derive(TypeName, Debug))]
|
||||||
|
pub struct Bool(bool);
|
||||||
|
|
||||||
|
#[archive_dyn(deserialize)]
|
||||||
|
impl Value for Bool { }
|
||||||
|
impl Value for Archived<Bool> { }
|
||||||
|
|
||||||
|
#[repr(transparent)]
|
||||||
|
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, Archive, Serialize, Deserialize)]
|
||||||
|
#[archive_attr(derive(TypeName, Debug))]
|
||||||
|
pub struct UInt32(u32);
|
||||||
|
|
||||||
|
#[archive_dyn(deserialize)]
|
||||||
|
impl Value for UInt32 { }
|
||||||
|
impl Value for Archived<UInt32> { }
|
||||||
|
|
||||||
|
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, Archive, Serialize, Deserialize)]
|
||||||
|
#[archive_attr(derive(TypeName, Debug))]
|
||||||
|
pub struct Vec3u8 {
|
||||||
|
a: u8,
|
||||||
|
b: u8,
|
||||||
|
c: u8,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[archive_dyn(deserialize)]
|
||||||
|
impl Value for Vec3u8 { }
|
||||||
|
impl Value for Archived<Vec3u8> { }
|
||||||
|
|
||||||
|
#[derive(Archive, Serialize, Deserialize)]
|
||||||
|
/// State object of a resource
|
||||||
|
///
|
||||||
|
/// This object serves three functions:
|
||||||
|
/// 1. it is constructed by modification via Claims or via internal resource logic
|
||||||
|
/// 2. it is serializable and storable in the database
|
||||||
|
/// 3. it is sendable and forwarded to all Actors and Notifys
|
||||||
|
pub struct State {
|
||||||
|
hash: u64,
|
||||||
|
inner: Vec<(String, Box<dyn SerializeValue>)>,
|
||||||
|
}
|
||||||
|
impl PartialEq for State {
|
||||||
|
fn eq(&self, other: &Self) -> bool {
|
||||||
|
self.hash == other.hash
|
||||||
|
}
|
||||||
|
}
|
||||||
|
impl Eq for State {}
|
||||||
|
|
||||||
|
impl fmt::Debug for State {
|
||||||
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||||
|
let mut sf = f.debug_struct("State");
|
||||||
|
for (k, v) in self.inner.iter() {
|
||||||
|
sf.field(k, v);
|
||||||
|
}
|
||||||
|
sf.finish()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl State {
|
||||||
|
pub fn build() -> StateBuilder {
|
||||||
|
StateBuilder::new()
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn hash(&self) -> u64 {
|
||||||
|
self.hash
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct StateBuilder {
|
||||||
|
hasher: DefaultHasher,
|
||||||
|
inner: Vec<(String, Box<dyn SerializeValue>)>
|
||||||
|
}
|
||||||
|
|
||||||
|
impl StateBuilder {
|
||||||
|
pub fn new() -> Self {
|
||||||
|
let hasher = DefaultHasher::new();
|
||||||
|
Self { inner: Vec::new(), hasher }
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn finish(self) -> State {
|
||||||
|
State {
|
||||||
|
hash: self.hasher.finish(),
|
||||||
|
inner: self.inner,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Add key-value pair to the State being built.
|
||||||
|
///
|
||||||
|
/// We have to use this split system here because type erasure prevents us from limiting values
|
||||||
|
/// to `Hash`. Specifically, you can't have a trait object of `Hash` because `Hash` depends on
|
||||||
|
/// `Self`. In this function however the compiler still knows the exact type of `V` and can
|
||||||
|
/// call statically call its `hash` method.
|
||||||
|
pub fn add<V>(mut self, key: String, val: V) -> Self
|
||||||
|
where V: SerializeValue + Hash
|
||||||
|
{
|
||||||
|
key.hash(&mut self.hasher);
|
||||||
|
val.hash(&mut self.hasher);
|
||||||
|
|
||||||
|
self.inner.push((key, Box::new(val)));
|
||||||
|
|
||||||
|
self
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct StateStorage {
|
||||||
|
key: u64,
|
||||||
|
db: StateDB
|
||||||
|
}
|
||||||
|
|
||||||
|
impl StateStorage {
|
||||||
|
pub fn new(key: u64, db: StateDB) -> Self {
|
||||||
|
Self { key, db }
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn store(&mut self, instate: &State, outstate: &State) -> Result<(), Error> {
|
||||||
|
self.db.store(self.key, instate, outstate)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
struct SizeSerializer {
|
||||||
|
pos: usize,
|
||||||
|
scratch: FallbackScratch<HeapScratch<1024>, AllocScratch>,
|
||||||
|
}
|
||||||
|
impl SizeSerializer {
|
||||||
|
pub fn new() -> Self {
|
||||||
|
Self { pos: 0, scratch: FallbackScratch::default() }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
impl Fallible for SizeSerializer {
|
||||||
|
type Error = AllocScratchError;
|
||||||
|
}
|
||||||
|
impl Serializer for SizeSerializer {
|
||||||
|
fn pos(&self) -> usize {
|
||||||
|
self.pos
|
||||||
|
}
|
||||||
|
fn write(&mut self, bytes: &[u8]) -> Result<(), Self::Error> {
|
||||||
|
self.pos += bytes.len();
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
impl ScratchSpace for SizeSerializer {
|
||||||
|
unsafe fn push_scratch(
|
||||||
|
&mut self,
|
||||||
|
layout: Layout
|
||||||
|
) -> Result<NonNull<[u8]>, Self::Error> {
|
||||||
|
self.scratch.push_scratch(layout)
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe fn pop_scratch(
|
||||||
|
&mut self,
|
||||||
|
ptr: NonNull<u8>,
|
||||||
|
layout: Layout
|
||||||
|
) -> Result<(), Self::Error> {
|
||||||
|
self.scratch.pop_scratch(ptr, layout)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
type LmdbSerializer<B, const N: usize> = CompositeSerializer<
|
||||||
|
BufferSerializer<B>,
|
||||||
|
FallbackScratch<HeapScratch<N>, AllocScratch>,
|
||||||
|
SharedSerializeMap,
|
||||||
|
>;
|
||||||
|
|
||||||
|
|
||||||
|
pub struct StateDB {
|
||||||
|
input: DB,
|
||||||
|
output: DB,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl StateDB {
|
||||||
|
pub fn new(input: DB, output: DB) -> Self {
|
||||||
|
Self { input, output }
|
||||||
|
}
|
||||||
|
|
||||||
|
fn get_size(&self, state: &State) -> usize {
|
||||||
|
let mut serializer = SizeSerializer::new();
|
||||||
|
serializer.serialize_value(state);
|
||||||
|
serializer.pos()
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn store(&self, key: u64, instate: &State, outstate: &State) -> Result<(), Error> {
|
||||||
|
let insize = self.get_size(instate);
|
||||||
|
let outsize = self.get_size(outstate);
|
||||||
|
|
||||||
|
let mut txn = self.input.begin_rw_txn()?;
|
||||||
|
|
||||||
|
let mut inbuf = self.input.reserve(&mut txn, &key.to_ne_bytes(), insize, WriteFlags::empty())?;
|
||||||
|
let bufser = BufferSerializer::new(inbuf);
|
||||||
|
let ser: LmdbSerializer<&mut [u8], 1024> = LmdbSerializer::new(
|
||||||
|
bufser,
|
||||||
|
FallbackScratch::default(),
|
||||||
|
SharedSerializeMap::default()
|
||||||
|
);
|
||||||
|
|
||||||
|
let mut outbuf = self.output.reserve(&mut txn, &key.to_ne_bytes(), outsize, WriteFlags::empty())?;
|
||||||
|
let bufser = BufferSerializer::new(outbuf);
|
||||||
|
let ser: LmdbSerializer<&mut [u8], 1024> = LmdbSerializer::new(
|
||||||
|
bufser,
|
||||||
|
FallbackScratch::default(),
|
||||||
|
SharedSerializeMap::default()
|
||||||
|
);
|
||||||
|
|
||||||
|
txn.commit()?;
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn get_txn<'txn, T: Transaction>(&self, key: u64, txn: &'txn T)
|
||||||
|
-> Result<(&'txn ArchivedState, &'txn ArchivedState), Error>
|
||||||
|
{
|
||||||
|
let inbuf = self.input.get(txn, &key.to_ne_bytes())?;
|
||||||
|
let outbuf = self.output.get(txn, &key.to_ne_bytes())?;
|
||||||
|
let instate = unsafe {
|
||||||
|
archived_root::<State>(inbuf.as_ref())
|
||||||
|
};
|
||||||
|
let outstate = unsafe {
|
||||||
|
archived_root::<State>(outbuf.as_ref())
|
||||||
|
};
|
||||||
|
|
||||||
|
Ok((instate, outstate))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[cfg(test)]
|
||||||
|
mod tests {
|
||||||
|
use super::*;
|
||||||
|
|
||||||
|
use crate::db::tests::open_test_env;
|
||||||
|
use lmdb::{
|
||||||
|
EnvironmentFlags as EF,
|
||||||
|
DatabaseFlags as DF,
|
||||||
|
WriteFlags as WF,
|
||||||
|
};
|
||||||
|
|
||||||
|
use rkyv::Infallible;
|
||||||
|
use rkyv::ser::serializers::AllocSerializer;
|
||||||
|
use rkyv::archived_root;
|
||||||
|
use rkyv::util::archived_value;
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn construct_state() {
|
||||||
|
let b = State::build()
|
||||||
|
.add("Colour".to_string(), Vec3u8 { a: 1, b: 2, c: 3})
|
||||||
|
.add("Powered".to_string(), Bool(true))
|
||||||
|
.add("Intensity".to_string(), UInt32(4242))
|
||||||
|
.finish();
|
||||||
|
|
||||||
|
println!("({}) {:?}", b.hash(), b);
|
||||||
|
|
||||||
|
let mut serializer = AllocSerializer::<256>::default();
|
||||||
|
let pos = serializer.serialize_value(&b).unwrap();
|
||||||
|
let buf = serializer.into_serializer().into_inner();
|
||||||
|
|
||||||
|
println!("Encsize: {}", buf.len());
|
||||||
|
|
||||||
|
let archived_state = unsafe {
|
||||||
|
archived_value::<State>(buf.as_ref(), pos)
|
||||||
|
};
|
||||||
|
let s: State = archived_state.deserialize(&mut Infallible).unwrap();
|
||||||
|
|
||||||
|
println!("({}) {:?}", pos, s);
|
||||||
|
}
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn function_name_test() {
|
||||||
|
let te = open_text_env();
|
||||||
|
let ildb = e.create_db(Some("input"), DF::empty()).expect("Failed to create db file");
|
||||||
|
let oldb = e.create_db(Some("output"), DF::empty()).expect("Failed to create db file");
|
||||||
|
|
||||||
|
let idb = DB::new(e.env.clone(), ildb);
|
||||||
|
let odb = DB::new(e.env.clone(), oldb);
|
||||||
|
let db = StateDB::new(idb, odb);
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user