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dependabot
| Author | SHA1 | Date | |
|---|---|---|---|
|
a27ccfa10d |
11
.github/dependabot.yml
vendored
Normal file
11
.github/dependabot.yml
vendored
Normal file
@@ -0,0 +1,11 @@
|
||||
# To get started with Dependabot version updates, you'll need to specify which
|
||||
# package ecosystems to update and where the package manifests are located.
|
||||
# Please see the documentation for all configuration options:
|
||||
# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
|
||||
|
||||
version: 2
|
||||
updates:
|
||||
- package-ecosystem: "cargo" # See documentation for possible values
|
||||
directory: "/" # Location of package manifests
|
||||
schedule:
|
||||
interval: "daily"
|
||||
471
Cargo.lock
generated
471
Cargo.lock
generated
@@ -3,20 +3,14 @@
|
||||
version = 4
|
||||
|
||||
[[package]]
|
||||
name = "addr2line"
|
||||
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|
||||
name = "aho-corasick"
|
||||
version = "1.1.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dfbe277e56a376000877090da837660b4427aad530e3028d44e0bffe4f89a1c1"
|
||||
checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
|
||||
dependencies = [
|
||||
"gimli",
|
||||
"memchr",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "adler2"
|
||||
version = "2.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
|
||||
|
||||
[[package]]
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||||
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|
||||
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|
||||
@@ -25,26 +19,23 @@ checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9"
|
||||
|
||||
[[package]]
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||||
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|
||||
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||||
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|
||||
dependencies = [
|
||||
"backtrace",
|
||||
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|
||||
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|
||||
|
||||
[[package]]
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||||
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|
||||
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||||
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||||
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checksum = "6806a6321ec58106fea15becdad98371e28d92ccbc7c8f1b3b6dd724fe8f1002"
|
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checksum = "69f7f8c3906b62b754cd5326047894316021dcfe5a194c8ea52bdd94934a3457"
|
||||
|
||||
[[package]]
|
||||
name = "base62"
|
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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|
||||
dependencies = [
|
||||
"addr2line",
|
||||
"cfg-if",
|
||||
"libc",
|
||||
"miniz_oxide",
|
||||
"object",
|
||||
"rustc-demangle",
|
||||
"windows-targets",
|
||||
"rustversion",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
@@ -53,6 +44,12 @@ version = "0.21.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
name = "bitflags"
|
||||
version = "2.8.0"
|
||||
@@ -63,10 +60,14 @@ dependencies = [
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cfg-if"
|
||||
version = "1.0.4"
|
||||
name = "bstr"
|
||||
version = "1.11.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
|
||||
checksum = "531a9155a481e2ee699d4f98f43c0ca4ff8ee1bfd55c31e9e98fb29d2b176fe0"
|
||||
dependencies = [
|
||||
"memchr",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clap"
|
||||
@@ -108,10 +109,77 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6"
|
||||
|
||||
[[package]]
|
||||
name = "gimli"
|
||||
version = "0.31.1"
|
||||
name = "crossbeam-deque"
|
||||
version = "0.8.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
|
||||
checksum = "9dd111b7b7f7d55b72c0a6ae361660ee5853c9af73f70c3c2ef6858b950e2e51"
|
||||
dependencies = [
|
||||
"crossbeam-epoch",
|
||||
"crossbeam-utils",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "crossbeam-epoch"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
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|
||||
dependencies = [
|
||||
"crossbeam-utils",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "crossbeam-utils"
|
||||
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|
||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
name = "either"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b7914353092ddf589ad78f25c5c1c21b7f80b0ff8621e7c814c3485b5306da9d"
|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
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|
||||
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||||
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||||
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|
||||
|
||||
[[package]]
|
||||
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|
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|
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||||
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|
||||
"aho-corasick",
|
||||
"bstr",
|
||||
"log",
|
||||
"regex-automata",
|
||||
"regex-syntax",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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|
||||
dependencies = [
|
||||
"bitflags 1.3.2",
|
||||
"ignore",
|
||||
"walkdir",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "hashbrown"
|
||||
version = "0.15.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
|
||||
|
||||
[[package]]
|
||||
name = "heck"
|
||||
@@ -119,45 +187,106 @@ version = "0.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
|
||||
|
||||
[[package]]
|
||||
name = "ignore"
|
||||
version = "0.4.23"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
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|
||||
dependencies = [
|
||||
"crossbeam-deque",
|
||||
"globset",
|
||||
"log",
|
||||
"memchr",
|
||||
"regex-automata",
|
||||
"same-file",
|
||||
"walkdir",
|
||||
"winapi-util",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "indexmap"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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|
||||
dependencies = [
|
||||
"equivalent",
|
||||
"hashbrown",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "itertools"
|
||||
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|
||||
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|
||||
dependencies = [
|
||||
"either",
|
||||
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|
||||
|
||||
[[package]]
|
||||
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|
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|
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[[package]]
|
||||
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|
||||
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|
||||
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|
||||
"anyhow",
|
||||
"clap",
|
||||
"libc",
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||||
"ron",
|
||||
"rust-i18n",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
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|
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|
||||
|
||||
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|
||||
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|
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"adler2",
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||||
"windows-sys",
|
||||
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|
||||
|
||||
[[package]]
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||||
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[[package]]
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||||
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|
||||
@@ -177,6 +306,35 @@ dependencies = [
|
||||
"proc-macro2",
|
||||
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|
||||
|
||||
[[package]]
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|
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||||
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||||
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|
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||||
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||||
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|
||||
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||||
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|
||||
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|
||||
|
||||
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||||
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||||
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|
||||
"proc-macro2",
|
||||
"regex",
|
||||
"serde",
|
||||
"serde_json",
|
||||
"serde_yml",
|
||||
"siphasher",
|
||||
"toml",
|
||||
"triomphe",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rustversion"
|
||||
version = "1.0.19"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f7c45b9784283f1b2e7fb61b42047c2fd678ef0960d4f6f1eba131594cc369d4"
|
||||
|
||||
[[package]]
|
||||
name = "ryu"
|
||||
version = "1.0.19"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6ea1a2d0a644769cc99faa24c3ad26b379b786fe7c36fd3c546254801650e6dd"
|
||||
|
||||
[[package]]
|
||||
name = "same-file"
|
||||
version = "1.0.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
|
||||
dependencies = [
|
||||
"winapi-util",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde"
|
||||
@@ -215,6 +442,60 @@ dependencies = [
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde_json"
|
||||
version = "1.0.139"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "44f86c3acccc9c65b153fe1b85a3be07fe5515274ec9f0653b4a0875731c72a6"
|
||||
dependencies = [
|
||||
"itoa",
|
||||
"memchr",
|
||||
"ryu",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde_spanned"
|
||||
version = "0.6.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "87607cb1398ed59d48732e575a4c28a7a8ebf2454b964fe3f224f2afc07909e1"
|
||||
dependencies = [
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde_yml"
|
||||
version = "0.0.12"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "59e2dd588bf1597a252c3b920e0143eb99b0f76e4e082f4c92ce34fbc9e71ddd"
|
||||
dependencies = [
|
||||
"indexmap",
|
||||
"itoa",
|
||||
"libyml",
|
||||
"memchr",
|
||||
"ryu",
|
||||
"serde",
|
||||
"version_check",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "siphasher"
|
||||
version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "56199f7ddabf13fe5074ce809e7d3f42b42ae711800501b5b16ea82ad029c39d"
|
||||
|
||||
[[package]]
|
||||
name = "smallvec"
|
||||
version = "1.14.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7fcf8323ef1faaee30a44a340193b1ac6814fd9b7b4e88e9d4519a3e4abe1cfd"
|
||||
|
||||
[[package]]
|
||||
name = "stable_deref_trait"
|
||||
version = "1.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
|
||||
|
||||
[[package]]
|
||||
name = "strsim"
|
||||
version = "0.11.1"
|
||||
@@ -232,12 +513,91 @@ dependencies = [
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "toml"
|
||||
version = "0.8.20"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cd87a5cdd6ffab733b2f74bc4fd7ee5fff6634124999ac278c35fc78c6120148"
|
||||
dependencies = [
|
||||
"serde",
|
||||
"serde_spanned",
|
||||
"toml_datetime",
|
||||
"toml_edit",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "toml_datetime"
|
||||
version = "0.6.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
|
||||
dependencies = [
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "toml_edit"
|
||||
version = "0.22.24"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "17b4795ff5edd201c7cd6dca065ae59972ce77d1b80fa0a84d94950ece7d1474"
|
||||
dependencies = [
|
||||
"indexmap",
|
||||
"serde",
|
||||
"serde_spanned",
|
||||
"toml_datetime",
|
||||
"winnow",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "triomphe"
|
||||
version = "0.1.14"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ef8f7726da4807b58ea5c96fdc122f80702030edc33b35aff9190a51148ccc85"
|
||||
dependencies = [
|
||||
"arc-swap",
|
||||
"serde",
|
||||
"stable_deref_trait",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.14"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
|
||||
|
||||
[[package]]
|
||||
name = "walkdir"
|
||||
version = "2.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
|
||||
dependencies = [
|
||||
"same-file",
|
||||
"winapi-util",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-util"
|
||||
version = "0.1.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
|
||||
dependencies = [
|
||||
"windows-sys",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.59.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.52.6"
|
||||
@@ -301,3 +661,12 @@ name = "windows_x86_64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||
|
||||
[[package]]
|
||||
name = "winnow"
|
||||
version = "0.7.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0e7f4ea97f6f78012141bcdb6a216b2609f0979ada50b20ca5b52dde2eac2bb1"
|
||||
dependencies = [
|
||||
"memchr",
|
||||
]
|
||||
|
||||
14
Cargo.toml
14
Cargo.toml
@@ -10,18 +10,12 @@ edition = "2021"
|
||||
#
|
||||
# For clap info, see [dependencies.clap]
|
||||
# For serde info, see [dependencies.serde]
|
||||
|
||||
libc = "0.2.172"
|
||||
ron = "0.8.1, >=0.8, <0.9"
|
||||
#rust-i18n = "3.1.3"
|
||||
|
||||
[dependencies.anyhow]
|
||||
version = "1.0"
|
||||
features = [
|
||||
"backtrace",
|
||||
]
|
||||
rust-i18n = "3.1.3, ~3.1.3"
|
||||
|
||||
[dependencies.clap]
|
||||
version = "4.5"
|
||||
version = "4.5, ~4.5.27"
|
||||
default-features = false
|
||||
features = [
|
||||
# From default features collection
|
||||
@@ -36,5 +30,5 @@ features = [
|
||||
]
|
||||
|
||||
[dependencies.serde]
|
||||
version = "1.0.219"
|
||||
version = "1.0.219, ~1.0.217"
|
||||
features = ["derive"]
|
||||
|
||||
@@ -1,17 +0,0 @@
|
||||
// Acknowledge sister/child
|
||||
mod module;
|
||||
|
||||
// std
|
||||
use std::*;
|
||||
|
||||
// sister/child
|
||||
use module1::*;
|
||||
|
||||
// parent
|
||||
use super::*;
|
||||
|
||||
// ancestor of parent
|
||||
use crate::*;
|
||||
|
||||
// external
|
||||
use external::*;
|
||||
42
src/cli.rs
42
src/cli.rs
@@ -1,42 +0,0 @@
|
||||
use std::path::PathBuf;
|
||||
use std::sync::LazyLock;
|
||||
|
||||
use crate::FB_SECTOR_SIZE;
|
||||
|
||||
use clap::{ArgAction, Parser};
|
||||
|
||||
pub static CONFIG: LazyLock<Args> = LazyLock::new(|| Args::parse());
|
||||
|
||||
#[derive(Parser, Debug, Clone)]
|
||||
pub struct Args {
|
||||
/// Path to source file or block device
|
||||
#[arg(short, long, value_hint = clap::ValueHint::DirPath)]
|
||||
pub input: PathBuf,
|
||||
|
||||
/// Path to output file. Defaults to {input}.iso
|
||||
#[arg(short, long, value_hint = clap::ValueHint::DirPath)]
|
||||
pub output: Option<PathBuf>,
|
||||
|
||||
/// Path to rescue map. Defaults to {input}.map
|
||||
#[arg(short, long, value_hint = clap::ValueHint::DirPath)]
|
||||
pub map: Option<PathBuf>,
|
||||
|
||||
/// Max number of consecutive sectors to test as a group
|
||||
#[arg(short, long, default_value_t = 128)]
|
||||
pub cluster_length: usize,
|
||||
|
||||
/// Number of brute force read passes
|
||||
#[arg(short, long, default_value_t = 2)]
|
||||
pub brute_passes: usize,
|
||||
|
||||
/// Sector size
|
||||
#[arg(short, long, default_value_t = FB_SECTOR_SIZE)]
|
||||
pub sector_size: usize,
|
||||
|
||||
// Behaviour is backwards.
|
||||
// ArgAction::SetFalse by default evaluates to true,
|
||||
// ArgAction::SetTrue by default evaluates to false.
|
||||
/// Whether to reopen the file on a read error or not.
|
||||
#[arg(short, long, action=ArgAction::SetTrue)]
|
||||
pub reopen_on_error: bool,
|
||||
}
|
||||
67
src/io.rs
67
src/io.rs
@@ -1,67 +0,0 @@
|
||||
use std::fs::{File, OpenOptions};
|
||||
use std::io::{self, Seek, SeekFrom};
|
||||
|
||||
use crate::cli::CONFIG;
|
||||
|
||||
use anyhow::Context;
|
||||
|
||||
/// Get length of data stream.
|
||||
/// Physical length of data stream in bytes
|
||||
/// (multiple of sector_size, rather than actual).
|
||||
///
|
||||
/// This will attempt to return the stream to its current read position.
|
||||
pub fn get_stream_length<S: Seek>(stream: &mut S) -> io::Result<u64> {
|
||||
let pos = stream.stream_position()?;
|
||||
let len = stream.seek(SeekFrom::End(0));
|
||||
|
||||
stream.seek(SeekFrom::Start(pos))?;
|
||||
|
||||
len
|
||||
}
|
||||
|
||||
pub fn load_input() -> anyhow::Result<File> {
|
||||
OpenOptions::new()
|
||||
.read(true)
|
||||
.open(&CONFIG.input)
|
||||
.with_context(|| format!("Failed to open input file: {}", &CONFIG.input.display()))
|
||||
}
|
||||
|
||||
pub fn load_output() -> anyhow::Result<File> {
|
||||
OpenOptions::new()
|
||||
.read(true)
|
||||
.write(true)
|
||||
.create(true)
|
||||
.open(crate::path::OUTPUT_PATH.clone())
|
||||
.with_context(|| {
|
||||
format!(
|
||||
"Failed to open/create output file at: {}",
|
||||
crate::path::OUTPUT_PATH.display()
|
||||
)
|
||||
})
|
||||
}
|
||||
|
||||
pub fn load_map_read() -> anyhow::Result<File> {
|
||||
OpenOptions::new()
|
||||
.read(true)
|
||||
.open(crate::path::MAP_PATH.clone())
|
||||
.with_context(|| {
|
||||
format!(
|
||||
"Failed to open/create mapping file at: {}",
|
||||
crate::path::MAP_PATH.display()
|
||||
)
|
||||
})
|
||||
}
|
||||
|
||||
pub fn load_map_write() -> anyhow::Result<File> {
|
||||
OpenOptions::new()
|
||||
.write(true)
|
||||
.create(true)
|
||||
.truncate(true) // Wipe old map. Should really make a backup first.
|
||||
.open(crate::path::MAP_PATH.clone())
|
||||
.with_context(|| {
|
||||
format!(
|
||||
"Failed to open map file at: {}",
|
||||
crate::path::MAP_PATH.display()
|
||||
)
|
||||
})
|
||||
}
|
||||
179
src/main.rs
179
src/main.rs
@@ -1,19 +1,176 @@
|
||||
mod cli;
|
||||
mod io;
|
||||
mod mapping;
|
||||
mod path;
|
||||
mod recovery;
|
||||
mod mapping;
|
||||
|
||||
use clap::Parser;
|
||||
use libc::O_DIRECT;
|
||||
use mapping::MapFile;
|
||||
use recovery::Recover;
|
||||
use std::{
|
||||
fs::{File, OpenOptions},
|
||||
io::{self, Seek, SeekFrom},
|
||||
os::unix::fs::OpenOptionsExt,
|
||||
path::PathBuf,
|
||||
};
|
||||
|
||||
use anyhow;
|
||||
|
||||
const FB_SECTOR_SIZE: usize = 2048;
|
||||
const FB_NULL_VALUE: u8 = 0;
|
||||
const FB_SECTOR_SIZE: u16 = 2048;
|
||||
|
||||
fn main() -> anyhow::Result<()> {
|
||||
let mut recover_tool = Recover::new()?;
|
||||
recover_tool.run()?;
|
||||
|
||||
Ok(())
|
||||
#[derive(Parser, Debug)]
|
||||
struct Args {
|
||||
/// Path to source file or block device
|
||||
#[arg(short, long, value_hint = clap::ValueHint::DirPath)]
|
||||
input: PathBuf,
|
||||
|
||||
/// Path to output file. Defaults to {input}.iso
|
||||
#[arg(short, long, value_hint = clap::ValueHint::DirPath)]
|
||||
output: Option<PathBuf>,
|
||||
|
||||
/// Path to rescue map. Defaults to {input}.map
|
||||
#[arg(short, long, value_hint = clap::ValueHint::DirPath)]
|
||||
map: Option<PathBuf>,
|
||||
|
||||
/// Max number of consecutive sectors to test as a group
|
||||
#[arg(short, long, default_value_t = 128)]
|
||||
cluster_length: u16,
|
||||
|
||||
/// Number of brute force read passes
|
||||
#[arg(short, long, default_value_t = 2)]
|
||||
brute_passes: usize,
|
||||
|
||||
/// Sector size
|
||||
#[arg(short, long, default_value_t = FB_SECTOR_SIZE)]
|
||||
sector_size: u16,
|
||||
}
|
||||
|
||||
|
||||
fn main() {
|
||||
let config = Args::parse();
|
||||
|
||||
// Live with it, prefer to use expect() here.
|
||||
// I'm lazy and don't want to mess around with comparing error types.
|
||||
// Thus, any error in I/O here should be treated as fatal.
|
||||
|
||||
let mut input: File = {
|
||||
match OpenOptions::new()
|
||||
.custom_flags(O_DIRECT)
|
||||
.read(true)
|
||||
.write(false)
|
||||
.append(false)
|
||||
.create(false)
|
||||
.open(&config.input.as_path())
|
||||
{
|
||||
Ok(f) => f,
|
||||
Err(err) => panic!("Failed to open input file: {:?}", err)
|
||||
}
|
||||
};
|
||||
|
||||
let mut output: File = {
|
||||
// Keep this clean, make a short-lived binding.
|
||||
let path = get_path(
|
||||
&config.output,
|
||||
&config.input.to_str().unwrap(),
|
||||
"iso"
|
||||
);
|
||||
|
||||
match OpenOptions::new()
|
||||
.custom_flags(O_DIRECT)
|
||||
.read(true)
|
||||
.write(true)
|
||||
.create(true)
|
||||
.open(path)
|
||||
{
|
||||
Ok(f) => f,
|
||||
Err(err) => panic!("Failed to open/create output file. {:?}", err)
|
||||
}
|
||||
};
|
||||
|
||||
// Check if output file is shorter than input.
|
||||
// If so, autoextend the output file.
|
||||
{
|
||||
let input_len = get_stream_length(&mut input)
|
||||
.expect("Failed to get the length of the input data.");
|
||||
let output_len = get_stream_length(&mut output)
|
||||
.expect("Failed to get the length of the output file.");
|
||||
|
||||
if output_len < input_len {
|
||||
output.set_len(input_len)
|
||||
.expect("Failed to autofill output file.")
|
||||
}
|
||||
}
|
||||
|
||||
let map: MapFile = {
|
||||
let path = get_path(
|
||||
&config.output,
|
||||
&config.input.to_str().unwrap(),
|
||||
"map"
|
||||
);
|
||||
|
||||
let file = match OpenOptions::new()
|
||||
.read(true)
|
||||
.create(true)
|
||||
.open(path)
|
||||
{
|
||||
Ok(f) => f,
|
||||
Err(err) => panic!("Failed to open/create mapping file. {:?}", err)
|
||||
};
|
||||
|
||||
if let Ok(map) = MapFile::try_from(file) {
|
||||
map
|
||||
} else {
|
||||
MapFile::new(config.sector_size)
|
||||
}
|
||||
};
|
||||
|
||||
let mut recover_tool = Recover::new(config, input, output, map);
|
||||
|
||||
recover_tool.run();
|
||||
|
||||
todo!("Recovery, Map saving, and closure of all files.");
|
||||
}
|
||||
|
||||
/// Generates a file path if one not provided.
|
||||
/// source_name for fallback name.
|
||||
fn get_path(
|
||||
output: &Option<PathBuf>,
|
||||
source_name: &str,
|
||||
extention: &str
|
||||
) -> PathBuf {
|
||||
if let Some(f) = output {
|
||||
f.to_owned()
|
||||
} else {
|
||||
PathBuf::from(format!(
|
||||
"{:?}.{}",
|
||||
source_name,
|
||||
extention,
|
||||
))
|
||||
.as_path()
|
||||
.to_owned()
|
||||
}
|
||||
}
|
||||
|
||||
/// Get length of data stream.
|
||||
/// Physical length of data stream in bytes
|
||||
/// (multiple of sector_size, rather than actual).
|
||||
fn get_stream_length<S: Seek>(input: &mut S) -> io::Result<u64> {
|
||||
let len = input.seek(SeekFrom::End(0))?;
|
||||
|
||||
let _ = input.seek(SeekFrom::Start(0));
|
||||
|
||||
Ok(len)
|
||||
}
|
||||
|
||||
|
||||
#[cfg(test)]
|
||||
#[allow(unused)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
// Test for get_path
|
||||
// Need to determine how to package files to test with, or at least
|
||||
// how to test with PathBuf present.
|
||||
// Test must also check unwrapping of file name, not just generation.
|
||||
|
||||
// Test for get_stream_length
|
||||
// Need to determine how to test with Seek-able objects.
|
||||
}
|
||||
446
src/mapping.rs
Normal file
446
src/mapping.rs
Normal file
@@ -0,0 +1,446 @@
|
||||
use ron::de::{from_reader, SpannedError};
|
||||
use serde::Deserialize;
|
||||
use std::fs::File;
|
||||
|
||||
use crate::FB_SECTOR_SIZE;
|
||||
|
||||
|
||||
/// Domain, in sectors.
|
||||
/// Requires sector_size to be provided elsewhere for conversion to bytes.
|
||||
#[derive(Clone, Copy, Debug, Deserialize, PartialEq)]
|
||||
pub struct Domain {
|
||||
pub start: usize,
|
||||
pub end: usize,
|
||||
}
|
||||
|
||||
impl Default for Domain {
|
||||
fn default() -> Self {
|
||||
Domain { start: 0, end: 1 }
|
||||
}
|
||||
}
|
||||
|
||||
impl Domain {
|
||||
/// Return length of domain in sectors.
|
||||
pub fn len(self) -> usize {
|
||||
self.end - self.start
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/// A map for data stored in memory for processing and saving to disk.
|
||||
#[derive(Clone, Copy, Debug, Deserialize, PartialEq)]
|
||||
pub struct Cluster {
|
||||
domain: Domain,
|
||||
stage: Stage,
|
||||
}
|
||||
|
||||
impl Default for Cluster {
|
||||
fn default() -> Self {
|
||||
Cluster {
|
||||
domain: Domain::default(),
|
||||
stage: Stage::default()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Cluster {
|
||||
/// Breaks apart into a vec of clusters,
|
||||
/// each of cluster_size, excepting last.
|
||||
pub fn subdivide(&mut self, cluster_len: usize) -> Vec<Cluster> {
|
||||
let domain_len = self.domain.len();
|
||||
let mut start = self.domain.start;
|
||||
let mut clusters: Vec<Cluster> = vec![];
|
||||
|
||||
for _ in 0..(domain_len as f64 / cluster_len as f64).floor() as usize {
|
||||
clusters.push(Cluster {
|
||||
domain: Domain {
|
||||
start,
|
||||
end: start + cluster_len,
|
||||
},
|
||||
stage: self.stage,
|
||||
});
|
||||
|
||||
start += cluster_len;
|
||||
}
|
||||
|
||||
clusters.push(Cluster {
|
||||
domain: Domain {
|
||||
start,
|
||||
end: self.domain.end,
|
||||
},
|
||||
stage: self.stage,
|
||||
});
|
||||
|
||||
clusters
|
||||
}
|
||||
|
||||
pub fn set_stage(&mut self, stage: Stage) -> &mut Self {
|
||||
self.stage = stage;
|
||||
self
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#[derive(Clone, Copy, Debug, Deserialize, PartialEq, PartialOrd)]
|
||||
pub enum Stage {
|
||||
Untested,
|
||||
ForIsolation(u8),
|
||||
Damaged,
|
||||
}
|
||||
|
||||
impl Default for Stage {
|
||||
fn default() -> Self {
|
||||
Stage::Untested
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#[derive(Clone, Debug, Deserialize, PartialEq)]
|
||||
pub struct MapFile {
|
||||
pub sector_size: u16,
|
||||
pub domain: Domain,
|
||||
pub map: Vec<Cluster>,
|
||||
}
|
||||
|
||||
impl TryFrom<File> for MapFile {
|
||||
type Error = SpannedError;
|
||||
|
||||
fn try_from(file: File) -> Result<Self, Self::Error> {
|
||||
from_reader(file)
|
||||
}
|
||||
}
|
||||
|
||||
impl Default for MapFile {
|
||||
fn default() -> Self {
|
||||
MapFile {
|
||||
sector_size: FB_SECTOR_SIZE,
|
||||
domain: Domain::default(),
|
||||
map: vec![Cluster {
|
||||
domain: Domain::default(),
|
||||
stage: Stage::Untested,
|
||||
}],
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl MapFile {
|
||||
pub fn new(sector_size: u16) -> Self {
|
||||
MapFile::default()
|
||||
.set_sector_size(sector_size)
|
||||
.to_owned()
|
||||
}
|
||||
|
||||
pub fn set_sector_size(&mut self, sector_size: u16) -> &mut Self {
|
||||
self.sector_size = sector_size;
|
||||
self
|
||||
}
|
||||
|
||||
/// Recalculate cluster mappings.
|
||||
fn update(&mut self, new_cluster: Cluster) -> &mut Self {
|
||||
let mut new_map: Vec<Cluster> = vec![Cluster::from(new_cluster.to_owned())];
|
||||
|
||||
for map_cluster in self.map.iter() {
|
||||
let mut map_cluster = *map_cluster;
|
||||
|
||||
// If new_cluster doesn't start ahead and ends short, map_cluster is forgotten.
|
||||
if new_cluster.domain.start < map_cluster.domain.start
|
||||
&& new_cluster.domain.end < map_cluster.domain.end {
|
||||
/*
|
||||
new_cluster overlaps the start of map_cluster,
|
||||
but ends short of map_cluster end.
|
||||
|
||||
ACTION: Crop map_cluster to start at end of new_cluster.
|
||||
*/
|
||||
|
||||
map_cluster.domain.start = new_cluster.domain.end;
|
||||
new_map.push(map_cluster);
|
||||
|
||||
} else if new_cluster.domain.end < map_cluster.domain.end {
|
||||
/*
|
||||
new_cluster starts within map_cluster domain.
|
||||
|
||||
ACTION: Crop
|
||||
*/
|
||||
|
||||
let domain_end = map_cluster.domain.end;
|
||||
|
||||
// Crop current object.
|
||||
map_cluster.domain.end = new_cluster.domain.start;
|
||||
new_map.push(map_cluster);
|
||||
|
||||
if new_cluster.domain.end < map_cluster.domain.end {
|
||||
/*
|
||||
new_cluster is within map_cluster.
|
||||
|
||||
ACTION: Crop & Fracture map_cluster
|
||||
NOTE: Crop completed above.
|
||||
*/
|
||||
|
||||
new_map.push(Cluster {
|
||||
domain: Domain {
|
||||
start: new_cluster.domain.end,
|
||||
end: domain_end,
|
||||
},
|
||||
stage: map_cluster.stage.to_owned()
|
||||
});
|
||||
}
|
||||
} else {
|
||||
/*
|
||||
No overlap.
|
||||
|
||||
ACTION: Transfer
|
||||
*/
|
||||
|
||||
new_map.push(map_cluster);
|
||||
}
|
||||
}
|
||||
|
||||
self.map = new_map;
|
||||
self
|
||||
}
|
||||
|
||||
/// Get current recovery stage.
|
||||
pub fn get_stage(&self) -> Stage {
|
||||
let mut recover_stage = Stage::Damaged;
|
||||
|
||||
for cluster in self.map.iter() {
|
||||
match cluster.stage {
|
||||
Stage::Untested => return Stage::Untested,
|
||||
Stage::ForIsolation(_) => {
|
||||
if recover_stage == Stage::Damaged
|
||||
|| cluster.stage < recover_stage {
|
||||
// Note that recover_stage after first condition is
|
||||
// only ever Stage::ForIsolation(_), thus PartialEq,
|
||||
// PartialOrd are useful for comparing the internal value.
|
||||
recover_stage = cluster.stage
|
||||
}
|
||||
},
|
||||
Stage::Damaged => (),
|
||||
}
|
||||
}
|
||||
|
||||
recover_stage
|
||||
}
|
||||
|
||||
/// Get clusters of common stage.
|
||||
pub fn get_clusters(&self, stage: Stage) -> Vec<Cluster> {
|
||||
self.map.iter()
|
||||
.filter_map(|mc| {
|
||||
if mc.stage == stage { Some(mc.to_owned()) } else { None }
|
||||
})
|
||||
.collect()
|
||||
}
|
||||
|
||||
/// Defragments cluster groups.
|
||||
/// I.E. check forwards every cluster from current until stage changes,
|
||||
/// then group at once.
|
||||
fn defrag(&mut self) -> &mut Self {
|
||||
let mut new_map: Vec<Cluster> = vec![];
|
||||
|
||||
// Fetch first cluster.
|
||||
let mut start_cluster = self.map.iter()
|
||||
.find(|c| c.domain.start == 0)
|
||||
.unwrap();
|
||||
|
||||
// Even though this would be initialized by its first read,
|
||||
// the compiler won't stop whining, and idk how to assert that to it.
|
||||
let mut end_cluster = Cluster::default();
|
||||
let mut new_cluster: Cluster;
|
||||
|
||||
let mut stage_common: bool;
|
||||
let mut is_finished = false;
|
||||
|
||||
while !is_finished {
|
||||
stage_common = true;
|
||||
|
||||
// Start a new cluster based on the cluster following
|
||||
// the end of last new_cluster.
|
||||
new_cluster = start_cluster.to_owned();
|
||||
|
||||
// While stage is common, and not finished,
|
||||
// find each trailing cluster.
|
||||
while stage_common && !is_finished {
|
||||
end_cluster = start_cluster.to_owned();
|
||||
|
||||
if end_cluster.domain.end != self.domain.end {
|
||||
start_cluster = self.map.iter()
|
||||
.find(|c| end_cluster.domain.end == c.domain.start)
|
||||
.unwrap();
|
||||
|
||||
stage_common = new_cluster.stage == start_cluster.stage
|
||||
} else {
|
||||
is_finished = true;
|
||||
}
|
||||
}
|
||||
|
||||
// Set the new ending, encapsulating any clusters of common stage.
|
||||
new_cluster.domain.end = end_cluster.domain.end;
|
||||
new_map.push(new_cluster);
|
||||
}
|
||||
|
||||
self.map = new_map;
|
||||
self
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
// Test for Cluster::subdivide()
|
||||
|
||||
// Test for MapFile::update()
|
||||
|
||||
// Test for MapFile::get_stage()
|
||||
#[test]
|
||||
fn test_get_stage() {
|
||||
use std::vec;
|
||||
|
||||
let mut mf = MapFile::default();
|
||||
let mut mf_stage = mf.get_stage();
|
||||
|
||||
// If this fails here, there's something SERIOUSLY wrong.
|
||||
assert!(
|
||||
mf_stage == Stage::Untested,
|
||||
"Determined stage to be {:?}, when {:?} was expeccted.",
|
||||
mf_stage, Stage::Untested
|
||||
);
|
||||
|
||||
|
||||
let stages = vec![
|
||||
Stage::Damaged,
|
||||
Stage::ForIsolation(1),
|
||||
Stage::ForIsolation(0),
|
||||
Stage::Untested,
|
||||
];
|
||||
|
||||
mf.map = vec![];
|
||||
|
||||
for stage in stages {
|
||||
mf.map.push(*Cluster::default().set_stage(stage));
|
||||
|
||||
mf_stage = mf.get_stage();
|
||||
|
||||
assert!(
|
||||
stage == mf_stage,
|
||||
"Expected stage to be {:?}, determined {:?} instead.",
|
||||
stage, mf_stage
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
// Test for MapFile::get_clusters()
|
||||
#[test]
|
||||
fn test_get_clusters() {
|
||||
let mut mf = MapFile::default();
|
||||
|
||||
mf.map = vec![
|
||||
*Cluster::default().set_stage(Stage::Damaged),
|
||||
*Cluster::default().set_stage(Stage::ForIsolation(0)),
|
||||
*Cluster::default().set_stage(Stage::ForIsolation(1)),
|
||||
Cluster::default(),
|
||||
Cluster::default(),
|
||||
*Cluster::default().set_stage(Stage::ForIsolation(1)),
|
||||
*Cluster::default().set_stage(Stage::ForIsolation(0)),
|
||||
*Cluster::default().set_stage(Stage::Damaged),
|
||||
];
|
||||
|
||||
let stages = vec![
|
||||
Stage::Damaged,
|
||||
Stage::ForIsolation(1),
|
||||
Stage::ForIsolation(0),
|
||||
Stage::Untested,
|
||||
];
|
||||
|
||||
for stage in stages {
|
||||
let expected = vec![
|
||||
*Cluster::default().set_stage(stage),
|
||||
*Cluster::default().set_stage(stage),
|
||||
];
|
||||
let recieved = mf.get_clusters(stage);
|
||||
|
||||
assert!(
|
||||
expected == recieved,
|
||||
"Expected clusters {:?}, got {:?}.",
|
||||
expected, recieved
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
// Test for MapFile::defrag()
|
||||
#[test]
|
||||
fn test_defrag() {
|
||||
let mut mf = MapFile {
|
||||
sector_size: 1,
|
||||
domain: Domain { start: 0, end: 8 },
|
||||
map: vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 1 },
|
||||
stage: Stage::Untested,
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 1, end: 2 },
|
||||
stage: Stage::Untested,
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
stage: Stage::Untested,
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 3, end: 4 },
|
||||
stage: Stage::ForIsolation(0),
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 4, end: 5 },
|
||||
stage: Stage::ForIsolation(0),
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 5, end: 6 },
|
||||
stage: Stage::ForIsolation(1),
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 6, end: 7 },
|
||||
stage: Stage::ForIsolation(0),
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 7, end: 8 },
|
||||
stage: Stage::Damaged,
|
||||
},
|
||||
],
|
||||
};
|
||||
|
||||
let expected = vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
stage: Stage::Untested,
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 3, end: 5 },
|
||||
stage: Stage::ForIsolation(0),
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 5, end: 6 },
|
||||
stage: Stage::ForIsolation(1),
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 6, end: 7 },
|
||||
stage: Stage::ForIsolation(0),
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 7, end: 8 },
|
||||
stage: Stage::Damaged,
|
||||
},
|
||||
];
|
||||
|
||||
mf.defrag();
|
||||
|
||||
let recieved = mf.map;
|
||||
|
||||
assert!(
|
||||
expected == recieved,
|
||||
"Expected {:?} after defragging, got {:?}.",
|
||||
expected, recieved
|
||||
)
|
||||
}
|
||||
}
|
||||
@@ -1,63 +0,0 @@
|
||||
use super::{Domain, Stage};
|
||||
|
||||
use serde::{Deserialize, Serialize};
|
||||
|
||||
/// A map for data stored in memory for processing and saving to disk.
|
||||
#[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
|
||||
pub struct Cluster {
|
||||
pub domain: Domain,
|
||||
pub stage: Stage,
|
||||
}
|
||||
|
||||
impl Default for Cluster {
|
||||
fn default() -> Self {
|
||||
Cluster {
|
||||
domain: Domain::default(),
|
||||
stage: Stage::default(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Cluster {
|
||||
/// Breaks apart into a vec of clusters,
|
||||
/// each of cluster_size, excepting last.
|
||||
pub fn subdivide(&mut self, cluster_len: usize) -> Vec<Cluster> {
|
||||
let domain_len = self.domain.len();
|
||||
let mut start = self.domain.start;
|
||||
let mut clusters: Vec<Cluster> = vec![];
|
||||
|
||||
for _ in 0..(domain_len / cluster_len) {
|
||||
clusters.push(Cluster {
|
||||
domain: Domain {
|
||||
start,
|
||||
end: start + cluster_len,
|
||||
},
|
||||
stage: self.stage,
|
||||
});
|
||||
|
||||
start += cluster_len;
|
||||
}
|
||||
|
||||
clusters.push(Cluster {
|
||||
domain: Domain {
|
||||
start,
|
||||
end: self.domain.end,
|
||||
},
|
||||
stage: self.stage,
|
||||
});
|
||||
|
||||
clusters
|
||||
}
|
||||
|
||||
pub fn set_stage(&mut self, stage: Stage) -> &mut Self {
|
||||
self.stage = stage;
|
||||
self
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
// Test for Cluster::subdivide()
|
||||
}
|
||||
@@ -1,55 +0,0 @@
|
||||
use serde::{Deserialize, Serialize};
|
||||
|
||||
/// Domain, in sectors.
|
||||
/// Requires sector_size to be provided elsewhere for conversion to bytes.
|
||||
#[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
|
||||
pub struct Domain {
|
||||
pub start: usize,
|
||||
pub end: usize,
|
||||
}
|
||||
|
||||
impl Default for Domain {
|
||||
fn default() -> Self {
|
||||
Domain { start: 0, end: 1 }
|
||||
}
|
||||
}
|
||||
|
||||
impl Domain {
|
||||
/// Return length of domain in sectors.
|
||||
pub fn len(self) -> usize {
|
||||
self.end - self.start
|
||||
}
|
||||
|
||||
/// Returns the type of overlap between this domain and another.
|
||||
pub fn overlap(&self, other: Domain) -> DomainOverlap {
|
||||
if self.end <= other.start || other.end <= self.start {
|
||||
// Cases 7, 8, 12, and 13 of map::tests::test_update
|
||||
DomainOverlap::None
|
||||
} else if other.start >= self.start && other.end <= self.end {
|
||||
// Cases 3, 5, 9, and 11 of map::tests::test_update
|
||||
DomainOverlap::SelfEngulfsOther
|
||||
} else if other.start <= self.start && other.end >= self.end {
|
||||
// Cases 4, 6, and 10 of map::tests::test_update
|
||||
DomainOverlap::OtherEngulfsSelf
|
||||
} else if self.start < other.start {
|
||||
// Case 1 of map::tests::test_update
|
||||
DomainOverlap::OtherOverlapsEnd
|
||||
} else {
|
||||
// Case 2 of map::tests::test_update
|
||||
DomainOverlap::OtherOverlapsStart
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub enum DomainOverlap {
|
||||
None,
|
||||
SelfEngulfsOther,
|
||||
OtherEngulfsSelf,
|
||||
OtherOverlapsStart,
|
||||
OtherOverlapsEnd,
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
}
|
||||
@@ -1,873 +0,0 @@
|
||||
use std::fs::File;
|
||||
use std::io::Write;
|
||||
|
||||
use super::{Cluster, Domain, DomainOverlap, Stage};
|
||||
|
||||
use anyhow;
|
||||
use ron::de::from_reader;
|
||||
use ron::error::SpannedError;
|
||||
use serde::{Deserialize, Serialize};
|
||||
|
||||
#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
|
||||
pub struct MapFile {
|
||||
pub sector_size: usize,
|
||||
pub domain: Domain,
|
||||
pub map: Vec<Cluster>,
|
||||
}
|
||||
|
||||
impl TryFrom<File> for MapFile {
|
||||
type Error = SpannedError;
|
||||
|
||||
fn try_from(file: File) -> Result<Self, Self::Error> {
|
||||
from_reader(file)
|
||||
}
|
||||
}
|
||||
|
||||
impl Default for MapFile {
|
||||
fn default() -> Self {
|
||||
MapFile {
|
||||
sector_size: crate::FB_SECTOR_SIZE,
|
||||
domain: Domain::default(),
|
||||
map: vec![Cluster {
|
||||
domain: Domain::default(),
|
||||
stage: Stage::Untested,
|
||||
}],
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl MapFile {
|
||||
pub fn new(sector_size: usize) -> Self {
|
||||
MapFile::default().set_sector_size(sector_size).to_owned()
|
||||
}
|
||||
|
||||
pub fn set_sector_size(&mut self, sector_size: usize) -> &mut Self {
|
||||
self.sector_size = sector_size;
|
||||
self
|
||||
}
|
||||
|
||||
/// Recalculate cluster mappings.
|
||||
pub fn update(&mut self, new: Cluster) -> &mut Self {
|
||||
let mut map: Vec<Cluster> = vec![Cluster::from(new.clone())];
|
||||
|
||||
for old in self.map.iter() {
|
||||
let mut old = *old;
|
||||
|
||||
match new.domain.overlap(old.domain) {
|
||||
DomainOverlap::None => map.push(old),
|
||||
DomainOverlap::SelfEngulfsOther => (),
|
||||
DomainOverlap::OtherEngulfsSelf => {
|
||||
other_engulfs_self_update(new, &mut old, &mut map)
|
||||
}
|
||||
DomainOverlap::OtherOverlapsEnd => {
|
||||
// Case 1
|
||||
old.domain.start = new.domain.end;
|
||||
map.push(old);
|
||||
}
|
||||
DomainOverlap::OtherOverlapsStart => {
|
||||
// Case 2
|
||||
old.domain.end = new.domain.start;
|
||||
map.push(old);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
self.map = map;
|
||||
self
|
||||
}
|
||||
|
||||
/// Get current recovery stage.
|
||||
pub fn get_stage(&self) -> Stage {
|
||||
let mut recover_stage = Stage::Damaged;
|
||||
|
||||
for cluster in self.map.iter() {
|
||||
match cluster.stage {
|
||||
Stage::Untested => return Stage::Untested,
|
||||
Stage::ForIsolation { .. } => {
|
||||
if recover_stage == Stage::Damaged || cluster.stage < recover_stage {
|
||||
// Note that recover_stage after first condition is
|
||||
// only ever Stage::ForIsolation(_), thus PartialEq,
|
||||
// PartialOrd are useful for comparing the internal value.
|
||||
recover_stage = cluster.stage
|
||||
}
|
||||
}
|
||||
Stage::Damaged => (),
|
||||
Stage::Intact => (),
|
||||
}
|
||||
}
|
||||
|
||||
recover_stage
|
||||
}
|
||||
|
||||
/// Get clusters of common stage.
|
||||
pub fn get_clusters(&self, stage: Stage) -> Vec<Cluster> {
|
||||
self.map
|
||||
.iter()
|
||||
.filter_map(|mc| {
|
||||
if mc.stage == stage {
|
||||
Some(mc.to_owned())
|
||||
} else {
|
||||
None
|
||||
}
|
||||
})
|
||||
.collect()
|
||||
}
|
||||
|
||||
/// Defragments cluster groups.
|
||||
/// I.E. check forwards every cluster from current until stage changes,
|
||||
/// then group at once.
|
||||
pub fn defrag(&mut self) -> &mut Self {
|
||||
let mut new_map: Vec<Cluster> = vec![];
|
||||
|
||||
// Fetch first cluster.
|
||||
let mut start_cluster = self.map.iter().find(|c| c.domain.start == 0).unwrap();
|
||||
|
||||
// Even though this would be initialized by its first read,
|
||||
// the compiler won't stop whining, and idk how to assert that to it.
|
||||
let mut end_cluster = Cluster::default();
|
||||
let mut new_cluster: Cluster;
|
||||
|
||||
let mut stage_common: bool;
|
||||
let mut is_finished = false;
|
||||
|
||||
while !is_finished {
|
||||
stage_common = true;
|
||||
|
||||
// Start a new cluster based on the cluster following
|
||||
// the end of last new_cluster.
|
||||
new_cluster = start_cluster.to_owned();
|
||||
|
||||
// While stage is common, and not finished,
|
||||
// find each trailing cluster.
|
||||
while stage_common && !is_finished {
|
||||
end_cluster = start_cluster.to_owned();
|
||||
|
||||
if end_cluster.domain.end != self.domain.end {
|
||||
start_cluster = self
|
||||
.map
|
||||
.iter()
|
||||
.find(|c| end_cluster.domain.end == c.domain.start)
|
||||
.unwrap();
|
||||
|
||||
stage_common = new_cluster.stage == start_cluster.stage
|
||||
} else {
|
||||
is_finished = true;
|
||||
}
|
||||
}
|
||||
|
||||
// Set the new ending, encapsulating any clusters of common stage.
|
||||
new_cluster.domain.end = end_cluster.domain.end;
|
||||
new_map.push(new_cluster);
|
||||
}
|
||||
|
||||
self.map = new_map;
|
||||
self
|
||||
}
|
||||
|
||||
/// Extend the domain of the MapFile.
|
||||
/// Returns None if the domain cannot be changed or is unchanged.
|
||||
/// Returns the delta of the previous domain end and the new end.
|
||||
pub fn extend(&mut self, end: usize) -> Option<usize> {
|
||||
if end <= self.domain.end {
|
||||
return None;
|
||||
}
|
||||
|
||||
let old_end = self.domain.end;
|
||||
let delta = end - old_end;
|
||||
self.domain.end = end;
|
||||
|
||||
// Add new data as untested.
|
||||
self.update(Cluster {
|
||||
domain: Domain {
|
||||
start: old_end,
|
||||
end: self.domain.end,
|
||||
},
|
||||
..Default::default()
|
||||
});
|
||||
Some(delta)
|
||||
}
|
||||
|
||||
/// Writes the map to the provided item implementing `Write` trait.
|
||||
/// Usually a file.
|
||||
pub fn write_to<W: Write>(&mut self, file: &mut W) -> anyhow::Result<usize> {
|
||||
self.defrag();
|
||||
|
||||
let written_bytes = file.write(
|
||||
ron::ser::to_string_pretty(
|
||||
self,
|
||||
ron::ser::PrettyConfig::new()
|
||||
.new_line("\n".to_string())
|
||||
.struct_names(true),
|
||||
)?
|
||||
.as_bytes(),
|
||||
)?;
|
||||
|
||||
Ok(written_bytes)
|
||||
}
|
||||
}
|
||||
|
||||
// This is split out for a shred of readability.
|
||||
fn other_engulfs_self_update(new: Cluster, old: &mut Cluster, map: &mut Vec<Cluster>) {
|
||||
if new.domain.start == old.domain.start {
|
||||
// Case 6 of map::tests::test_update
|
||||
old.domain.start = new.domain.end;
|
||||
} else {
|
||||
// Case 4 and part of 10
|
||||
|
||||
let old_end = old.domain.end;
|
||||
old.domain.end = new.domain.start;
|
||||
|
||||
if new.domain.end != old_end {
|
||||
// Case 10 of map::tests::test_update
|
||||
map.push(Cluster {
|
||||
domain: Domain {
|
||||
start: new.domain.end,
|
||||
end: old_end,
|
||||
},
|
||||
stage: old.stage,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
map.push(old.to_owned())
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_1_new_overlaps_start() {
|
||||
// Case 1:
|
||||
// |----new----|
|
||||
// |----old----|
|
||||
//
|
||||
// | --> |-old-|
|
||||
// Solution: old.start = new.end
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 1, end: 3 },
|
||||
..Default::default()
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 0, end: 2 },
|
||||
..Default::default()
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 2 },
|
||||
..Default::default()
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
..Default::default()
|
||||
}
|
||||
]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_2_new_overlaps_end() {
|
||||
// Case 2:
|
||||
// |----new----|
|
||||
// |----old----|
|
||||
//
|
||||
// |-old-| <-- |
|
||||
// Solution: old.end = new.start
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 0, end: 2 },
|
||||
..Default::default()
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 1, end: 3 },
|
||||
..Default::default()
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 1 },
|
||||
..Default::default()
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 1, end: 3 },
|
||||
..Default::default()
|
||||
}
|
||||
]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_3_new_engulfs_common_end() {
|
||||
// Case 3:
|
||||
// |----new----|
|
||||
// |--old--|
|
||||
//
|
||||
// Solution: Remove old.
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 1, end: 3 },
|
||||
..Default::default()
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
..Default::default()
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
..Default::default()
|
||||
}]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_4_old_engulfs_common_end() {
|
||||
// Case 4:
|
||||
// |--new--|
|
||||
// |-----old-----|
|
||||
//
|
||||
// |-old-| <---- |
|
||||
// Solution: old.end = new.start
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
..Default::default()
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 1, end: 3 },
|
||||
..Default::default()
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 1 },
|
||||
..Default::default()
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 1, end: 3 },
|
||||
..Default::default()
|
||||
}
|
||||
]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_5_new_engulfs_common_start() {
|
||||
// Case 5:
|
||||
// |-----new----|
|
||||
// |--old--|
|
||||
//
|
||||
// Solution: Remove old.
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 0, end: 2 },
|
||||
..Default::default()
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
..Default::default()
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
..Default::default()
|
||||
}]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_6_old_engulfs_common_start() {
|
||||
// Case 6:
|
||||
// |--new--|
|
||||
// |-----old-----|
|
||||
//
|
||||
// | ----> |-old-|
|
||||
// Solution: old.start = new.end
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
..Default::default()
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 0, end: 2 },
|
||||
..Default::default()
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 2 },
|
||||
..Default::default()
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
..Default::default()
|
||||
}
|
||||
]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_7_new_precedes() {
|
||||
// Case 7:
|
||||
// |--new--|
|
||||
// |--old--|
|
||||
//
|
||||
// Solution: Leave unchanged.
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
..Default::default()
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 0, end: 2 },
|
||||
..Default::default()
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 2 },
|
||||
..Default::default()
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
..Default::default()
|
||||
}
|
||||
]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_8_new_trails() {
|
||||
// Case 8:
|
||||
// |--new--|
|
||||
// |--old--|
|
||||
// Solution: Leave unchanged.
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 0, end: 2 },
|
||||
..Default::default()
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
..Default::default()
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 2 },
|
||||
..Default::default()
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
..Default::default()
|
||||
}
|
||||
]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_9_new_engulfs() {
|
||||
// Case 9:
|
||||
// |-----new-----|
|
||||
// |--old--|
|
||||
//
|
||||
// Solution: Remove old.
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 1, end: 2 },
|
||||
..Default::default()
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
..Default::default()
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
..Default::default()
|
||||
}]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_10_old_engulfs() {
|
||||
// Case 10:
|
||||
// |--new--|
|
||||
// |--------------old--------------|
|
||||
//
|
||||
// |----old----| <---- |
|
||||
// + |--fracture-|
|
||||
// Solution: old.end = new.start
|
||||
// && fracture:
|
||||
// with fracture.start = new.end
|
||||
// && fracture.end = old.original_end
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
..Default::default()
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 1, end: 2 },
|
||||
..Default::default()
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 1 },
|
||||
..Default::default()
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 1, end: 2 },
|
||||
..Default::default()
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
..Default::default()
|
||||
}
|
||||
]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_11_common_start_and_end() {
|
||||
// Case 11:
|
||||
// |--new--|
|
||||
// |--old--|
|
||||
//
|
||||
// Solution: Remove old.
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
stage: Stage::Untested,
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
stage: Stage::Intact,
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
stage: Stage::Intact
|
||||
}]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_12_new_out_of_range_preceding() {
|
||||
// Case 12:
|
||||
// |--new--|
|
||||
// |--old--|
|
||||
//
|
||||
// Solution: Leave Unchanged.
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
..Default::default()
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 0, end: 1 },
|
||||
..Default::default()
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 1 },
|
||||
..Default::default()
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
..Default::default()
|
||||
}
|
||||
]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::update()
|
||||
#[test]
|
||||
fn update_13_new_out_of_range_trailing() {
|
||||
// Case 13:
|
||||
// |--new--|
|
||||
// |--old--|
|
||||
//
|
||||
// Solution: Leave Unchanged.
|
||||
|
||||
let mut map = MapFile {
|
||||
map: vec![Cluster {
|
||||
domain: Domain { start: 0, end: 1 },
|
||||
..Default::default()
|
||||
}],
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
map.update(Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
..Default::default()
|
||||
});
|
||||
map.map.sort();
|
||||
|
||||
assert_eq!(
|
||||
map.map,
|
||||
vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 1 },
|
||||
..Default::default()
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
..Default::default()
|
||||
}
|
||||
]
|
||||
);
|
||||
}
|
||||
|
||||
/// Test for MapFile::get_stage()
|
||||
#[test]
|
||||
fn get_stage() {
|
||||
let mut mf = MapFile::default();
|
||||
let mut mf_stage = mf.get_stage();
|
||||
|
||||
// If this fails here, there's something SERIOUSLY wrong.
|
||||
assert!(
|
||||
mf_stage == Stage::Untested,
|
||||
"Determined stage to be {:?}, when {:?} was expeccted.",
|
||||
mf_stage,
|
||||
Stage::Untested
|
||||
);
|
||||
|
||||
let stages = vec![
|
||||
Stage::Damaged,
|
||||
Stage::ForIsolation { level: 1 },
|
||||
Stage::ForIsolation { level: 0 },
|
||||
Stage::Untested,
|
||||
];
|
||||
|
||||
mf.map = vec![];
|
||||
|
||||
for stage in stages {
|
||||
mf.map.push(*Cluster::default().set_stage(stage));
|
||||
|
||||
mf_stage = mf.get_stage();
|
||||
|
||||
assert!(
|
||||
stage == mf_stage,
|
||||
"Expected stage to be {:?}, determined {:?} instead.",
|
||||
stage,
|
||||
mf_stage
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
/// Test for MapFile::get_clusters()
|
||||
#[test]
|
||||
fn get_clusters() {
|
||||
let mut mf = MapFile::default();
|
||||
|
||||
mf.map = vec![
|
||||
*Cluster::default().set_stage(Stage::Damaged),
|
||||
*Cluster::default().set_stage(Stage::ForIsolation { level: 0 }),
|
||||
*Cluster::default().set_stage(Stage::ForIsolation { level: 1 }),
|
||||
Cluster::default(),
|
||||
Cluster::default(),
|
||||
*Cluster::default().set_stage(Stage::ForIsolation { level: 1 }),
|
||||
*Cluster::default().set_stage(Stage::ForIsolation { level: 0 }),
|
||||
*Cluster::default().set_stage(Stage::Damaged),
|
||||
];
|
||||
|
||||
let stages = vec![
|
||||
Stage::Damaged,
|
||||
Stage::ForIsolation { level: 1 },
|
||||
Stage::ForIsolation { level: 0 },
|
||||
Stage::Untested,
|
||||
];
|
||||
|
||||
for stage in stages {
|
||||
let expected = vec![
|
||||
*Cluster::default().set_stage(stage),
|
||||
*Cluster::default().set_stage(stage),
|
||||
];
|
||||
let received = mf.get_clusters(stage);
|
||||
|
||||
assert!(
|
||||
expected == received,
|
||||
"Expected clusters {:?}, got {:?}.",
|
||||
expected,
|
||||
received
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
/// Test for MapFile::defrag()
|
||||
#[test]
|
||||
fn defrag() {
|
||||
let mut mf = MapFile {
|
||||
sector_size: 1,
|
||||
domain: Domain { start: 0, end: 8 },
|
||||
map: vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 1 },
|
||||
stage: Stage::Untested,
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 1, end: 2 },
|
||||
stage: Stage::Untested,
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 2, end: 3 },
|
||||
stage: Stage::Untested,
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 3, end: 4 },
|
||||
stage: Stage::ForIsolation { level: 0 },
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 4, end: 5 },
|
||||
stage: Stage::ForIsolation { level: 0 },
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 5, end: 6 },
|
||||
stage: Stage::ForIsolation { level: 1 },
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 6, end: 7 },
|
||||
stage: Stage::ForIsolation { level: 0 },
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 7, end: 8 },
|
||||
stage: Stage::Damaged,
|
||||
},
|
||||
],
|
||||
};
|
||||
|
||||
let expected = vec![
|
||||
Cluster {
|
||||
domain: Domain { start: 0, end: 3 },
|
||||
stage: Stage::Untested,
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 3, end: 5 },
|
||||
stage: Stage::ForIsolation { level: 0 },
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 5, end: 6 },
|
||||
stage: Stage::ForIsolation { level: 1 },
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 6, end: 7 },
|
||||
stage: Stage::ForIsolation { level: 0 },
|
||||
},
|
||||
Cluster {
|
||||
domain: Domain { start: 7, end: 8 },
|
||||
stage: Stage::Damaged,
|
||||
},
|
||||
];
|
||||
|
||||
mf.defrag();
|
||||
|
||||
let received = mf.map;
|
||||
|
||||
assert!(
|
||||
expected == received,
|
||||
"Expected {:?} after defragging, got {:?}.",
|
||||
expected,
|
||||
received
|
||||
)
|
||||
}
|
||||
}
|
||||
@@ -1,12 +0,0 @@
|
||||
#![allow(unused_imports)]
|
||||
|
||||
pub mod cluster;
|
||||
pub mod domain;
|
||||
pub mod map;
|
||||
pub mod prelude;
|
||||
pub mod stage;
|
||||
|
||||
pub use cluster::Cluster;
|
||||
pub use domain::{Domain, DomainOverlap};
|
||||
pub use map::MapFile;
|
||||
pub use stage::Stage;
|
||||
@@ -1,6 +0,0 @@
|
||||
#![allow(unused_imports)]
|
||||
|
||||
pub use super::cluster::Cluster;
|
||||
pub use super::domain::{Domain, DomainOverlap};
|
||||
pub use super::map::MapFile;
|
||||
pub use super::stage::Stage;
|
||||
@@ -1,20 +0,0 @@
|
||||
use serde::{Deserialize, Serialize};
|
||||
|
||||
#[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
|
||||
pub enum Stage {
|
||||
Untested,
|
||||
ForIsolation { level: u8 },
|
||||
Damaged,
|
||||
Intact,
|
||||
}
|
||||
|
||||
impl Default for Stage {
|
||||
fn default() -> Self {
|
||||
Stage::Untested
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
}
|
||||
40
src/path.rs
40
src/path.rs
@@ -1,40 +0,0 @@
|
||||
use std::path::{Path, PathBuf};
|
||||
use std::sync::LazyLock;
|
||||
|
||||
use crate::cli::CONFIG;
|
||||
|
||||
use anyhow::{self, Context};
|
||||
|
||||
/// Generates a file path if one not provided.
|
||||
/// root_path for fallback name.
|
||||
pub fn get_path<P>(path: &Option<P>, root_path: &P, extension: &str) -> anyhow::Result<PathBuf>
|
||||
where
|
||||
P: AsRef<Path>,
|
||||
{
|
||||
if let Some(f) = path {
|
||||
return Ok(f.as_ref().to_path_buf());
|
||||
}
|
||||
|
||||
Ok(PathBuf::from(format!(
|
||||
"{}.{}",
|
||||
root_path
|
||||
.as_ref()
|
||||
.to_str()
|
||||
.context("source_name path was not UTF-8 valid.")?,
|
||||
extension
|
||||
))
|
||||
.as_path()
|
||||
.to_owned())
|
||||
}
|
||||
|
||||
pub static MAP_PATH: LazyLock<PathBuf> = LazyLock::new(|| {
|
||||
get_path(&CONFIG.map, &CONFIG.input, "map")
|
||||
.context("Failed to generate map path.")
|
||||
.unwrap()
|
||||
});
|
||||
|
||||
pub static OUTPUT_PATH: LazyLock<PathBuf> = LazyLock::new(|| {
|
||||
get_path(&CONFIG.output, &CONFIG.input, "iso")
|
||||
.context("Failed to generate output path.")
|
||||
.unwrap()
|
||||
});
|
||||
200
src/recovery.rs
200
src/recovery.rs
@@ -1,172 +1,110 @@
|
||||
use std::fs::File;
|
||||
use std::io::{BufWriter, Read, Seek, SeekFrom, Write};
|
||||
use std::usize;
|
||||
use std::{
|
||||
io::{BufReader, BufWriter},
|
||||
fs::File,
|
||||
};
|
||||
|
||||
use anyhow::Context;
|
||||
use crate::{
|
||||
Args,
|
||||
mapping::{Cluster, MapFile, Stage},
|
||||
};
|
||||
|
||||
use crate::cli::CONFIG;
|
||||
use crate::mapping::prelude::*;
|
||||
|
||||
#[derive(Debug)]
|
||||
#[allow(dead_code)]
|
||||
pub struct Recover {
|
||||
input: File,
|
||||
buf_capacity: usize,
|
||||
config: Args,
|
||||
input: BufReader<File>,
|
||||
output: BufWriter<File>,
|
||||
map: MapFile,
|
||||
stage: Stage,
|
||||
}
|
||||
|
||||
impl Recover {
|
||||
pub fn new() -> anyhow::Result<Self> {
|
||||
let input: File = crate::io::load_input()?;
|
||||
|
||||
let output: File = crate::io::load_output()?;
|
||||
|
||||
let map: MapFile = {
|
||||
crate::io::load_map_read()?
|
||||
.try_into()
|
||||
.unwrap_or(MapFile::new(CONFIG.sector_size))
|
||||
};
|
||||
pub fn new(
|
||||
config: Args,
|
||||
input: File,
|
||||
output: File,
|
||||
map: MapFile,
|
||||
) -> Self {
|
||||
let stage = map.get_stage();
|
||||
|
||||
// Temporarily make buffer length one sector.
|
||||
let buf_capacity = config.sector_size as usize;
|
||||
let mut r = Recover {
|
||||
input,
|
||||
output: BufWriter::with_capacity(map.domain.end as usize, output),
|
||||
buf_capacity,
|
||||
config,
|
||||
input: BufReader::with_capacity(
|
||||
buf_capacity,
|
||||
input,
|
||||
),
|
||||
output: BufWriter::with_capacity(
|
||||
buf_capacity,
|
||||
output,
|
||||
),
|
||||
map,
|
||||
stage: stage,
|
||||
};
|
||||
|
||||
r.restore()?;
|
||||
|
||||
Ok(r)
|
||||
// Ensure that buffer capacity is adjusted based on progress.
|
||||
r.set_buf_capacity();
|
||||
r
|
||||
}
|
||||
|
||||
/// Recover media.
|
||||
pub fn run(&mut self) -> anyhow::Result<usize> {
|
||||
// From start, read to end or error.
|
||||
//
|
||||
// If all data recovered, return early.
|
||||
// Else, read from end to error.
|
||||
|
||||
pub fn run(&mut self) -> &mut Self {
|
||||
let mut is_finished = false;
|
||||
|
||||
while !is_finished {
|
||||
self.map.defrag();
|
||||
|
||||
match self.map.get_stage() {
|
||||
Stage::Untested => self.copy_untested()?,
|
||||
Stage::ForIsolation { .. } => todo!(),
|
||||
Stage::Damaged | Stage::Intact => {
|
||||
Stage::Untested => { self.copy_untested(); },
|
||||
Stage::ForIsolation(level) => { self.copy_isolate(level); },
|
||||
Stage::Damaged => {
|
||||
println!("Cannot recover further.");
|
||||
|
||||
is_finished = true
|
||||
}
|
||||
};
|
||||
|
||||
// Need to reset seek position between algorithms.
|
||||
self.input
|
||||
.rewind()
|
||||
.context("Failed to reset input seek position.")?;
|
||||
self.output
|
||||
.rewind()
|
||||
.context("Failed to reset output seek position")?;
|
||||
}
|
||||
|
||||
// Temporary.
|
||||
let recovered_bytes = usize::MIN;
|
||||
Ok(recovered_bytes)
|
||||
}
|
||||
|
||||
/// Restore current progress based on MapFile.
|
||||
/// Also updates MapFile if needed, such as to extend the MapFile domain.
|
||||
pub fn restore(&mut self) -> anyhow::Result<()> {
|
||||
self.map.extend(
|
||||
crate::io::get_stream_length(&mut self.input)
|
||||
.context("Failed to get input stream length.")? as usize,
|
||||
);
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Attempt to copy all untested blocks.
|
||||
fn copy_untested(&mut self) -> anyhow::Result<()> {
|
||||
for untested in self.map.get_clusters(Stage::Untested) {
|
||||
// Caching.
|
||||
let mut read_position: usize;
|
||||
let mut cluster: Cluster;
|
||||
let mut buf_capacity = self.get_buf_capacity() as usize;
|
||||
let mut buf = vec![crate::FB_NULL_VALUE; buf_capacity];
|
||||
|
||||
read_position = untested.domain.start;
|
||||
|
||||
while read_position < untested.domain.end {
|
||||
dbg!(read_position);
|
||||
|
||||
cluster = Cluster {
|
||||
domain: Domain {
|
||||
start: read_position,
|
||||
end: read_position + buf_capacity,
|
||||
},
|
||||
stage: Stage::Intact,
|
||||
};
|
||||
|
||||
buf_capacity = buf_capacity.min(untested.domain.end - read_position);
|
||||
|
||||
if let Err(err) = self.input.read_exact(&mut buf) {
|
||||
// If buf were zeroed out before every read, one could theoretically recover
|
||||
// part of that read given the assumption that all null values from the end to
|
||||
// the first non-null value are unread, and some further padding from the last
|
||||
// values are potentially invalid.
|
||||
//
|
||||
// That padding should have a cli arg to control it.
|
||||
|
||||
println!("Hit error: {:?}", err);
|
||||
if CONFIG.reopen_on_error {
|
||||
self.reload_input()
|
||||
.context("Failed to reload input file after previous error.")?;
|
||||
}
|
||||
|
||||
self.input
|
||||
.seek_relative((read_position + buf_capacity) as i64)
|
||||
.context("Failed to seek input by buf_capacity to skip previous error")?;
|
||||
|
||||
// I don't remember what level was for.
|
||||
cluster.stage = Stage::ForIsolation { level: 1 };
|
||||
}
|
||||
|
||||
if cluster.stage == Stage::Intact {
|
||||
self.output
|
||||
.write_all(&buf[0..buf_capacity])
|
||||
.context("Failed to write data to output file")?;
|
||||
}
|
||||
|
||||
self.map.update(cluster);
|
||||
read_position += buf_capacity;
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
self.map.write_to(&mut crate::io::load_map_write()?)?;
|
||||
|
||||
Ok(())
|
||||
self
|
||||
}
|
||||
|
||||
/// Set buffer capacity as cluster length in bytes.
|
||||
/// Attempt to copy all untested blocks.
|
||||
fn copy_untested(&mut self) -> &mut Self {
|
||||
|
||||
let mut untested: Vec<Cluster> = vec![];
|
||||
|
||||
for cluster in self.map.get_clusters(Stage::Untested).iter_mut() {
|
||||
untested.append(&mut cluster.subdivide(self.map.sector_size as usize));
|
||||
}
|
||||
|
||||
todo!("Read and save data.");
|
||||
|
||||
self
|
||||
}
|
||||
|
||||
/// Attempt to copy blocks via isolation at pass level.
|
||||
fn copy_isolate(&mut self, level: u8) -> &mut Self {
|
||||
|
||||
todo!();
|
||||
|
||||
self
|
||||
}
|
||||
|
||||
/// Set buffer capacities as cluster length in bytes.
|
||||
/// Varies depending on the recovery stage.
|
||||
fn get_buf_capacity(&mut self) -> u64 {
|
||||
CONFIG.sector_size as u64 * CONFIG.cluster_length as u64
|
||||
}
|
||||
fn set_buf_capacity(&mut self) -> &mut Self {
|
||||
self.buf_capacity = (self.config.sector_size * self.config.cluster_length) as usize;
|
||||
|
||||
/// Reloads the input and restores the seek position.
|
||||
fn reload_input(&mut self) -> anyhow::Result<()> {
|
||||
let seek_pos = self.input.stream_position()?;
|
||||
|
||||
self.input = crate::io::load_input()?;
|
||||
self.input.seek(SeekFrom::Start(seek_pos))?;
|
||||
Ok(())
|
||||
self
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#[cfg(test)]
|
||||
#[allow(unused)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
// Test for Recover::set_buf_capacity
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user