[feat][code] proto crate, one stream per request
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GPG Key ID:
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178
Cargo.lock
generated
178
Cargo.lock
generated
@ -456,9 +456,13 @@ version = "0.1.0"
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dependencies = [
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"eyre",
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"lanspread-db",
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"lanspread-proto",
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"lanspread-utils",
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"s2n-quic",
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"serde_json",
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"tokio",
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"tracing",
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"tracing-subscriber",
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]
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[[package]]
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@ -471,6 +475,17 @@ dependencies = [
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"serde_json",
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]
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[[package]]
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name = "lanspread-proto"
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version = "0.1.0"
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dependencies = [
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"bytes",
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"lanspread-db",
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"serde",
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"serde_json",
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"tracing",
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]
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[[package]]
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name = "lanspread-server"
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version = "0.1.0"
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@ -479,12 +494,20 @@ dependencies = [
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"eyre",
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"itertools 0.13.0",
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"lanspread-db",
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"lanspread-proto",
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"lanspread-utils",
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"s2n-quic",
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"semver",
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"serde_json",
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"tokio",
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"tracing",
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"tracing-subscriber",
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]
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[[package]]
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name = "lanspread-utils"
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version = "0.1.0"
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[[package]]
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name = "lazy_static"
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version = "1.5.0"
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@ -541,6 +564,15 @@ version = "0.4.22"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
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[[package]]
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name = "matchers"
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version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558"
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dependencies = [
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"regex-automata 0.1.10",
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]
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[[package]]
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name = "memchr"
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version = "2.7.4"
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@ -599,6 +631,16 @@ dependencies = [
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"minimal-lexical",
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]
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[[package]]
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name = "nu-ansi-term"
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version = "0.46.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
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dependencies = [
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"overload",
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"winapi",
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]
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[[package]]
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name = "num-integer"
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version = "0.1.46"
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@ -643,6 +685,12 @@ version = "1.20.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
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[[package]]
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name = "overload"
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version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
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[[package]]
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name = "parking_lot"
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version = "0.12.3"
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@ -809,8 +857,17 @@ checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
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dependencies = [
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"aho-corasick",
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"memchr",
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"regex-automata",
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"regex-syntax",
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"regex-automata 0.4.8",
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"regex-syntax 0.8.5",
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]
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[[package]]
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name = "regex-automata"
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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 = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
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dependencies = [
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"regex-syntax 0.6.29",
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]
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[[package]]
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@ -821,9 +878,15 @@ checksum = "368758f23274712b504848e9d5a6f010445cc8b87a7cdb4d7cbee666c1288da3"
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dependencies = [
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"aho-corasick",
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"memchr",
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"regex-syntax",
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"regex-syntax 0.8.5",
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]
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[[package]]
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name = "regex-syntax"
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version = "0.6.29"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
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[[package]]
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name = "regex-syntax"
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version = "0.8.5"
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@ -971,6 +1034,7 @@ dependencies = [
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"pin-project-lite",
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"s2n-codec",
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"subtle",
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"tracing",
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"zerocopy",
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]
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@ -1128,6 +1192,15 @@ dependencies = [
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"serde",
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]
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[[package]]
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name = "sharded-slab"
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version = "0.1.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
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dependencies = [
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"lazy_static",
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]
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[[package]]
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name = "shlex"
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version = "1.3.0"
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@ -1197,6 +1270,16 @@ dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "thread_local"
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version = "1.1.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8b9ef9bad013ada3808854ceac7b46812a6465ba368859a37e2100283d2d719c"
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dependencies = [
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"cfg-if",
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"once_cell",
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]
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[[package]]
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name = "tokio"
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version = "1.41.1"
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@ -1226,6 +1309,67 @@ dependencies = [
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"syn",
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]
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[[package]]
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name = "tracing"
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version = "0.1.40"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
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dependencies = [
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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 = "0.1.27"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
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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 = "0.1.32"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
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dependencies = [
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"once_cell",
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"valuable",
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]
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[[package]]
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name = "tracing-log"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ee855f1f400bd0e5c02d150ae5de3840039a3f54b025156404e34c23c03f47c3"
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dependencies = [
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"log",
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"once_cell",
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"tracing-core",
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]
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[[package]]
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name = "tracing-subscriber"
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version = "0.3.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
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dependencies = [
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"matchers",
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"nu-ansi-term",
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"once_cell",
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"regex",
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"sharded-slab",
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"smallvec",
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"thread_local",
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"tracing",
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"tracing-core",
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"tracing-log",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.13"
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@ -1244,6 +1388,12 @@ version = "0.9.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
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[[package]]
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name = "valuable"
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version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
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[[package]]
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name = "wasi"
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version = "0.9.0+wasi-snapshot-preview1"
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@ -1268,6 +1418,28 @@ dependencies = [
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"rustix",
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]
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[[package]]
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name = "winapi"
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version = "0.3.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
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dependencies = [
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"winapi-i686-pc-windows-gnu",
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"winapi-x86_64-pc-windows-gnu",
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]
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[[package]]
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name = "winapi-i686-pc-windows-gnu"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
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[[package]]
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name = "winapi-x86_64-pc-windows-gnu"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
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[[package]]
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name = "windows-sys"
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version = "0.52.0"
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25
Cargo.toml
25
Cargo.toml
@ -2,7 +2,9 @@
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members = [
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"crates/lanspread-db",
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"crates/lanspread-server",
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"crates/lanspread-client"
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"crates/lanspread-client",
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"crates/lanspread-utils",
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"crates/lanspread-proto",
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]
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resolver = "2"
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@ -11,8 +13,27 @@ bytes = "1.8"
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clap = "4.5"
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eyre = "0.6"
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itertools = "0.13"
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s2n-quic = "1.49"
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s2n-quic = { version = "1.49", features = ["provider-event-tracing"] }
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semver = "1.0"
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serde = { version = "1.0", features = ["derive"] }
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serde_json = "1.0"
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tokio = { version = "1.41", features = ["full"] }
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tracing = "0.1"
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tracing-subscriber = { version = "0.3", features = ["env-filter"] }
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[profile.release]
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debug = true
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debug-assertions = true
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overflow-checks = true
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strip = false
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lto = false
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panic = "unwind"
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codegen-units = 1
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[profile.release-lto]
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inherits = "release"
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lto = true
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debug = false
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debug-assertions = false
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overflow-checks = false
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strip = true
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@ -1,3 +1,7 @@
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#!/usr/bin/env bash
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cargo run --release -p lanspread-client
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export RUST_LOG=info,lanspread_client=debug,lanspread_proto=debug
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#export RUST_LOG=error
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exec cargo run -p lanspread-client < <(while sleep 0.1; do echo "list"; sleep 0.1; echo "get 1"; sleep 0.1; echo "get 25"; done)
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#RUST_LOG=info exec cargo run --profile release-lto -p lanspread-client < <(while sleep 0.1; do echo "list"; sleep 0.1; echo "get 1"; sleep 0.1; echo "get 25"; done)
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@ -3,11 +3,23 @@ name = "lanspread-client"
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version = "0.1.0"
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edition = "2021"
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[lints.rust]
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unsafe_code = "forbid"
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[lints.clippy]
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pedantic = { level = "warn", priority = -1 }
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todo = "warn"
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unwrap_used = "warn"
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[dependencies]
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# local
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lanspread-db = { path = "../lanspread-db" }
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lanspread-proto = { path = "../lanspread-proto" }
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lanspread-utils = { path = "../lanspread-utils" }
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# external
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eyre = { workspace = true }
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s2n-quic = { workspace = true }
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serde_json = { workspace = true }
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tokio = { workspace = true }
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tracing = { workspace = true }
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tracing-subscriber = { workspace = true }
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@ -1,65 +1,154 @@
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use std::{net::SocketAddr, sync::Arc};
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use std::{net::SocketAddr, time::Duration};
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|
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use lanspread_db::{Game, GameDB};
|
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use s2n_quic::{client::Connect, Client as QuicClient};
|
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use tokio::{io::AsyncWriteExt as _, sync::Mutex};
|
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use lanspread_proto::{Message as _, Request, Response};
|
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use lanspread_utils::maybe_addr;
|
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use s2n_quic::{client::Connect, provider::limits::Limits, Client as QuicClient};
|
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use tokio::{
|
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io::{AsyncBufReadExt as _, AsyncWriteExt as _},
|
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sync::mpsc::UnboundedReceiver,
|
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};
|
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use tracing_subscriber::EnvFilter;
|
||||
|
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static CERT_PEM: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../../cert.pem"));
|
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|
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const SERVER_ADDR: &str = "127.0.0.1";
|
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const SERVER_PORT: u16 = 13337;
|
||||
|
||||
struct Client {
|
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db: Arc<Mutex<GameDB>>,
|
||||
#[derive(Debug)]
|
||||
enum ControlMessage {
|
||||
ListGames,
|
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GetGame(u64),
|
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}
|
||||
|
||||
struct Client;
|
||||
|
||||
impl Client {
|
||||
pub(crate) fn new() -> Self {
|
||||
Client {
|
||||
db: Arc::new(Mutex::new(GameDB::new())),
|
||||
}
|
||||
}
|
||||
pub(crate) async fn run(
|
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addr: SocketAddr,
|
||||
mut rx_control: UnboundedReceiver<ControlMessage>,
|
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) -> eyre::Result<()> {
|
||||
tracing_subscriber::fmt()
|
||||
.with_env_filter(EnvFilter::from_default_env())
|
||||
.init();
|
||||
|
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let limits = Limits::default().with_max_handshake_duration(Duration::from_secs(3))?;
|
||||
|
||||
pub(crate) async fn run(&mut self, addr: SocketAddr) -> eyre::Result<()> {
|
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let client = QuicClient::builder()
|
||||
.with_tls(CERT_PEM)?
|
||||
.with_io("0.0.0.0:0")?
|
||||
.with_limits(limits)?
|
||||
.start()?;
|
||||
|
||||
let connect1 = Connect::new(addr).with_server_name("localhost");
|
||||
let mut connection1 = client.connect(connect1).await?;
|
||||
connection1.keep_alive(true)?;
|
||||
let conn = Connect::new(addr).with_server_name("localhost");
|
||||
let mut conn = client.connect(conn).await?;
|
||||
conn.keep_alive(true)?;
|
||||
|
||||
let stream = connection1.open_bidirectional_stream().await?;
|
||||
tracing::info!(
|
||||
"connected: (server: {}) (client: {})",
|
||||
maybe_addr!(conn.remote_addr()),
|
||||
maybe_addr!(conn.local_addr())
|
||||
);
|
||||
|
||||
// tx
|
||||
while let Some(cmd) = rx_control.recv().await {
|
||||
let request = match cmd {
|
||||
ControlMessage::ListGames => Request::ListGames,
|
||||
ControlMessage::GetGame(id) => Request::GetGame { id },
|
||||
};
|
||||
|
||||
let data = request.encode();
|
||||
tracing::trace!("encoded data: {}", String::from_utf8_lossy(&data));
|
||||
|
||||
let stream = conn.open_bidirectional_stream().await?;
|
||||
let (mut rx, mut tx) = stream.split();
|
||||
|
||||
let buf = b"get_games";
|
||||
tx.write_all(&buf[..]).await?;
|
||||
if let Err(e) = tx.write_all(&data).await {
|
||||
tracing::error!(?e, "failed to send request to server");
|
||||
}
|
||||
|
||||
while let Ok(Some(data)) = rx.receive().await {
|
||||
let games: Vec<Game> = serde_json::from_slice(&data)?;
|
||||
self.db = Arc::new(Mutex::new(GameDB::from(games)));
|
||||
tx.close().await.unwrap();
|
||||
let db = self.db.lock().await;
|
||||
if let Ok(Some(data)) = rx.receive().await {
|
||||
tracing::trace!("server response (raw): {}", String::from_utf8_lossy(&data));
|
||||
|
||||
eprintln!("received GameDB:");
|
||||
for game in db.games.values() {
|
||||
eprintln!("{:#?}", game);
|
||||
let response = Response::decode(&data);
|
||||
tracing::trace!(
|
||||
"server response (decoded): {}",
|
||||
String::from_utf8_lossy(&data)
|
||||
);
|
||||
match response {
|
||||
Response::Games(games) => {
|
||||
for game in games {
|
||||
tracing::debug!(?game);
|
||||
}
|
||||
}
|
||||
Response::Game(game) => tracing::debug!(?game, "game received"),
|
||||
Response::GameNotFound(id) => tracing::debug!(?id, "game not found"),
|
||||
Response::InvalidRequest(request_bytes, err) => tracing::error!(
|
||||
"server says our request was invalid (error: {}): {}",
|
||||
err,
|
||||
String::from_utf8_lossy(&request_bytes)
|
||||
),
|
||||
Response::EncodingError(err) => {
|
||||
tracing::error!("server encoding error: {err}");
|
||||
}
|
||||
Response::DecodingError(data, err) => {
|
||||
tracing::error!(
|
||||
"response decoding error: {} (data: {})",
|
||||
err,
|
||||
String::from_utf8_lossy(&data)
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
eprintln!("server closed");
|
||||
if let Err(err) = tx.close().await {
|
||||
tracing::error!("failed to close stream: {err}");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
tracing::info!("server closed connection");
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
#[tokio::main]
|
||||
async fn main() -> eyre::Result<()> {
|
||||
let mut client = Client::new();
|
||||
let (tx_control, rx_control) = tokio::sync::mpsc::unbounded_channel::<ControlMessage>();
|
||||
|
||||
client
|
||||
.run(format!("{SERVER_ADDR}:{SERVER_PORT}").parse().unwrap())
|
||||
.await?;
|
||||
// Spawn client in a separate task
|
||||
let client_handle = tokio::spawn(async move {
|
||||
#[allow(clippy::unwrap_used)]
|
||||
let addr = format!("{SERVER_ADDR}:{SERVER_PORT}").parse().unwrap();
|
||||
Client::run(addr, rx_control).await
|
||||
});
|
||||
|
||||
// Handle stdin commands in the main task
|
||||
let mut stdin = tokio::io::BufReader::new(tokio::io::stdin());
|
||||
let mut line = String::new();
|
||||
|
||||
loop {
|
||||
line.clear();
|
||||
if stdin.read_line(&mut line).await? == 0 {
|
||||
break; // EOF reached
|
||||
}
|
||||
|
||||
// Trim whitespace and handle commands
|
||||
match line.trim() {
|
||||
"list" => {
|
||||
tx_control.send(ControlMessage::ListGames)?;
|
||||
}
|
||||
cmd if cmd.starts_with("get ") => {
|
||||
if let Ok(id) = cmd[4..].trim().parse::<u64>() {
|
||||
tx_control.send(ControlMessage::GetGame(id))?;
|
||||
} else {
|
||||
println!("Invalid game ID");
|
||||
}
|
||||
}
|
||||
"quit" | "exit" => break,
|
||||
"" => continue,
|
||||
_ => println!("Unknown command. Available commands: list, get <id>, quit"),
|
||||
}
|
||||
}
|
||||
|
||||
client_handle.await??;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
@ -3,6 +3,14 @@ name = "lanspread-db"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[lints.rust]
|
||||
unsafe_code = "forbid"
|
||||
|
||||
[lints.clippy]
|
||||
pedantic = { level = "warn", priority = -1 }
|
||||
todo = "warn"
|
||||
unwrap_used = "warn"
|
||||
|
||||
[dependencies]
|
||||
# external
|
||||
eyre = { workspace = true}
|
||||
|
||||
193
crates/lanspread-db/src/db.rs
Normal file
193
crates/lanspread-db/src/db.rs
Normal file
@ -0,0 +1,193 @@
|
||||
#![allow(clippy::missing_errors_doc)]
|
||||
|
||||
use std::{
|
||||
collections::HashMap,
|
||||
fmt,
|
||||
fs::{File, OpenOptions},
|
||||
path::Path,
|
||||
};
|
||||
|
||||
use serde::{Deserialize, Serialize};
|
||||
|
||||
use crate::serialization::version_serde;
|
||||
|
||||
/// A game
|
||||
#[derive(Clone, Serialize, Deserialize)]
|
||||
pub struct Game {
|
||||
/// example: 1
|
||||
pub id: u64,
|
||||
/// example: Call of Duty 3
|
||||
pub name: String,
|
||||
/// example: A shooter game in war.
|
||||
pub description: String,
|
||||
/// example: `call_of_duty.tar.zst`
|
||||
pub install_archive: String,
|
||||
/// example: 8
|
||||
pub max_players: u32,
|
||||
/// example: 1.0.0
|
||||
#[serde(with = "version_serde")]
|
||||
pub version: semver::Version,
|
||||
|
||||
/// size (bytes) (not serialized)
|
||||
#[serde(skip)]
|
||||
pub size: u64,
|
||||
}
|
||||
|
||||
impl fmt::Debug for Game {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
write!(
|
||||
f,
|
||||
"{}: {} {} ({} players) ({}: {} MB) {}",
|
||||
self.id,
|
||||
self.name,
|
||||
self.version,
|
||||
self.max_players,
|
||||
self.install_archive,
|
||||
self.size,
|
||||
self.description,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for Game {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
write!(f, "{}", self.name)
|
||||
}
|
||||
}
|
||||
|
||||
impl PartialEq for Game {
|
||||
fn eq(&self, other: &Self) -> bool {
|
||||
self.name == other.name
|
||||
}
|
||||
}
|
||||
|
||||
impl Eq for Game {}
|
||||
|
||||
impl PartialOrd for Game {
|
||||
fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
|
||||
Some(self.name.cmp(&other.name))
|
||||
}
|
||||
}
|
||||
|
||||
impl Ord for Game {
|
||||
fn cmp(&self, other: &Self) -> std::cmp::Ordering {
|
||||
self.name.cmp(&other.name)
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Serialize, Deserialize)]
|
||||
pub struct GameDB {
|
||||
pub games: HashMap<u64, Game>,
|
||||
next_id: u64,
|
||||
}
|
||||
|
||||
impl GameDB {
|
||||
#[must_use]
|
||||
pub fn new() -> Self {
|
||||
GameDB {
|
||||
games: HashMap::new(),
|
||||
next_id: 1,
|
||||
}
|
||||
}
|
||||
|
||||
#[must_use]
|
||||
pub fn from(games: Vec<Game>) -> Self {
|
||||
let mut db = GameDB::new();
|
||||
for game in games {
|
||||
let id = game.id;
|
||||
db.games.insert(game.id, game);
|
||||
db.next_id = db.next_id.max(id + 1);
|
||||
}
|
||||
db
|
||||
}
|
||||
|
||||
pub fn add_game<S: Into<String>>(
|
||||
&mut self,
|
||||
name: S,
|
||||
description: S,
|
||||
install_archive: S,
|
||||
max_players: u32,
|
||||
version: semver::Version,
|
||||
) -> u64 {
|
||||
let id = self.next_id;
|
||||
self.next_id += 1;
|
||||
let game = Game {
|
||||
id,
|
||||
name: name.into(),
|
||||
description: description.into(),
|
||||
install_archive: install_archive.into(),
|
||||
max_players,
|
||||
version,
|
||||
size: 0,
|
||||
};
|
||||
self.games.insert(id, game);
|
||||
id
|
||||
}
|
||||
|
||||
#[must_use]
|
||||
pub fn get_game_by_id(&self, id: u64) -> Option<&Game> {
|
||||
self.games.get(&id)
|
||||
}
|
||||
|
||||
#[must_use]
|
||||
pub fn get_game_by_name(&self, name: &str) -> Option<&Game> {
|
||||
self.games.values().find(|game| game.name == name)
|
||||
}
|
||||
|
||||
pub fn update_game<S: Into<String>>(
|
||||
&mut self,
|
||||
id: u64,
|
||||
name: Option<S>,
|
||||
description: Option<S>,
|
||||
install_archive: Option<S>,
|
||||
) -> bool {
|
||||
if let Some(game) = self.games.get_mut(&id) {
|
||||
if let Some(new_name) = name {
|
||||
game.name = new_name.into();
|
||||
}
|
||||
if let Some(new_description) = description {
|
||||
game.description = new_description.into();
|
||||
}
|
||||
if let Some(archive) = install_archive {
|
||||
game.install_archive = archive.into();
|
||||
}
|
||||
true
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
pub fn delete_game(&mut self, id: u64) -> bool {
|
||||
self.games.remove(&id).is_some()
|
||||
}
|
||||
|
||||
#[must_use]
|
||||
pub fn all_games(&self) -> Vec<&Game> {
|
||||
self.games.values().collect()
|
||||
}
|
||||
|
||||
pub fn save_to_file(&self, path: &Path) -> eyre::Result<()> {
|
||||
let file = OpenOptions::new()
|
||||
.write(true)
|
||||
.create(true)
|
||||
.truncate(true)
|
||||
.open(path)?;
|
||||
|
||||
let games: Vec<&Game> = self.games.values().collect();
|
||||
serde_json::to_writer(file, &games)?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn load_from_file(path: &Path) -> eyre::Result<Self> {
|
||||
let file = File::open(path)?;
|
||||
let games: Vec<Game> = serde_json::from_reader(file)?;
|
||||
let db = GameDB::from(games);
|
||||
Ok(db)
|
||||
}
|
||||
}
|
||||
|
||||
impl Default for GameDB {
|
||||
fn default() -> Self {
|
||||
Self::new()
|
||||
}
|
||||
}
|
||||
@ -1,204 +1,2 @@
|
||||
use std::{
|
||||
collections::HashMap,
|
||||
fmt,
|
||||
fs::{File, OpenOptions},
|
||||
path::Path,
|
||||
};
|
||||
|
||||
use serde::{Deserialize, Serialize};
|
||||
|
||||
mod version_serde {
|
||||
use semver::Version;
|
||||
use serde::{self, Deserialize, Deserializer, Serializer};
|
||||
|
||||
pub fn serialize<S>(version: &Version, serializer: S) -> Result<S::Ok, S::Error>
|
||||
where
|
||||
S: Serializer,
|
||||
{
|
||||
serializer.serialize_str(&version.to_string())
|
||||
}
|
||||
|
||||
pub fn deserialize<'de, D>(deserializer: D) -> Result<Version, D::Error>
|
||||
where
|
||||
D: Deserializer<'de>,
|
||||
{
|
||||
let s = String::deserialize(deserializer)?;
|
||||
Version::parse(&s).map_err(serde::de::Error::custom)
|
||||
}
|
||||
}
|
||||
|
||||
/// A game
|
||||
#[derive(Clone, Serialize, Deserialize)]
|
||||
pub struct Game {
|
||||
/// example: 1
|
||||
pub id: u64,
|
||||
/// example: Call of Duty 3
|
||||
pub name: String,
|
||||
/// example: A shooter game in war.
|
||||
pub description: String,
|
||||
/// example: call_of_duty.tar.zst
|
||||
pub install_archive: String,
|
||||
/// example: 8
|
||||
pub max_players: u32,
|
||||
/// example: 1.0.0
|
||||
#[serde(with = "version_serde")]
|
||||
pub version: semver::Version,
|
||||
|
||||
/// size (bytes) (not serialized)
|
||||
#[serde(skip)]
|
||||
pub size: u64,
|
||||
}
|
||||
|
||||
impl fmt::Debug for Game {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
write!(
|
||||
f,
|
||||
"{}: {} {} ({} players) ({}: {} MB)\n {}",
|
||||
self.id,
|
||||
self.name,
|
||||
self.version,
|
||||
self.max_players,
|
||||
self.install_archive,
|
||||
self.size,
|
||||
self.description,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for Game {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
write!(f, "{}", self.name)
|
||||
}
|
||||
}
|
||||
|
||||
impl PartialEq for Game {
|
||||
fn eq(&self, other: &Self) -> bool {
|
||||
self.name == other.name
|
||||
}
|
||||
}
|
||||
|
||||
impl Eq for Game {}
|
||||
|
||||
impl PartialOrd for Game {
|
||||
fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
|
||||
Some(self.name.cmp(&other.name))
|
||||
}
|
||||
}
|
||||
|
||||
impl Ord for Game {
|
||||
fn cmp(&self, other: &Self) -> std::cmp::Ordering {
|
||||
self.name.cmp(&other.name)
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Serialize, Deserialize)]
|
||||
pub struct GameDB {
|
||||
pub games: HashMap<u64, Game>,
|
||||
next_id: u64,
|
||||
}
|
||||
|
||||
impl GameDB {
|
||||
pub fn new() -> Self {
|
||||
GameDB {
|
||||
games: HashMap::new(),
|
||||
next_id: 1,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn from(games: Vec<Game>) -> Self {
|
||||
let mut db = GameDB::new();
|
||||
for game in games {
|
||||
let id = game.id;
|
||||
db.games.insert(game.id, game);
|
||||
db.next_id = db.next_id.max(id + 1);
|
||||
}
|
||||
db
|
||||
}
|
||||
|
||||
pub fn add_game<S: Into<String>>(
|
||||
&mut self,
|
||||
name: S,
|
||||
description: S,
|
||||
install_archive: S,
|
||||
max_players: u32,
|
||||
version: semver::Version,
|
||||
) -> u64 {
|
||||
let id = self.next_id;
|
||||
self.next_id += 1;
|
||||
let game = Game {
|
||||
id,
|
||||
name: name.into(),
|
||||
description: description.into(),
|
||||
install_archive: install_archive.into(),
|
||||
max_players,
|
||||
version,
|
||||
size: 0,
|
||||
};
|
||||
self.games.insert(id, game);
|
||||
id
|
||||
}
|
||||
|
||||
pub fn get_game(&self, id: u64) -> Option<&Game> {
|
||||
self.games.get(&id)
|
||||
}
|
||||
|
||||
pub fn update_game<S: Into<String>>(
|
||||
&mut self,
|
||||
id: u64,
|
||||
name: Option<S>,
|
||||
description: Option<S>,
|
||||
install_archive: Option<S>,
|
||||
) -> bool {
|
||||
if let Some(game) = self.games.get_mut(&id) {
|
||||
if let Some(new_name) = name {
|
||||
game.name = new_name.into();
|
||||
}
|
||||
if let Some(new_description) = description {
|
||||
game.description = new_description.into();
|
||||
}
|
||||
if let Some(archive) = install_archive {
|
||||
game.install_archive = archive.into();
|
||||
}
|
||||
true
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
pub fn delete_game(&mut self, id: u64) -> bool {
|
||||
self.games.remove(&id).is_some()
|
||||
}
|
||||
|
||||
pub fn list_games(&self) -> Vec<&Game> {
|
||||
self.games.values().collect()
|
||||
}
|
||||
|
||||
pub fn find_game(&self, name: &str) -> Option<&Game> {
|
||||
self.games.values().find(|game| game.name == name)
|
||||
}
|
||||
|
||||
pub fn save_to_file(&self, path: &Path) -> eyre::Result<()> {
|
||||
let file = OpenOptions::new()
|
||||
.write(true)
|
||||
.create(true)
|
||||
.truncate(true)
|
||||
.open(path)?;
|
||||
|
||||
let games: Vec<&Game> = self.games.values().collect();
|
||||
serde_json::to_writer(file, &games)?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn load_from_file(path: &Path) -> eyre::Result<Self> {
|
||||
let rdr = File::open(path)?;
|
||||
let games: Vec<Game> = serde_json::from_reader(rdr)?;
|
||||
let db = GameDB::from(games);
|
||||
Ok(db)
|
||||
}
|
||||
}
|
||||
|
||||
impl Default for GameDB {
|
||||
fn default() -> Self {
|
||||
Self::new()
|
||||
}
|
||||
}
|
||||
pub mod db;
|
||||
mod serialization;
|
||||
|
||||
19
crates/lanspread-db/src/serialization.rs
Normal file
19
crates/lanspread-db/src/serialization.rs
Normal file
@ -0,0 +1,19 @@
|
||||
pub(crate) mod version_serde {
|
||||
use semver::Version;
|
||||
use serde::{self, Deserialize, Deserializer, Serializer};
|
||||
|
||||
pub fn serialize<S>(version: &Version, serializer: S) -> Result<S::Ok, S::Error>
|
||||
where
|
||||
S: Serializer,
|
||||
{
|
||||
serializer.serialize_str(&version.to_string())
|
||||
}
|
||||
|
||||
pub fn deserialize<'de, D>(deserializer: D) -> Result<Version, D::Error>
|
||||
where
|
||||
D: Deserializer<'de>,
|
||||
{
|
||||
let s = String::deserialize(deserializer)?;
|
||||
Version::parse(&s).map_err(serde::de::Error::custom)
|
||||
}
|
||||
}
|
||||
22
crates/lanspread-proto/Cargo.toml
Normal file
22
crates/lanspread-proto/Cargo.toml
Normal file
@ -0,0 +1,22 @@
|
||||
[package]
|
||||
name = "lanspread-proto"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[lints.rust]
|
||||
unsafe_code = "forbid"
|
||||
|
||||
[lints.clippy]
|
||||
pedantic = { level = "warn", priority = -1 }
|
||||
todo = "warn"
|
||||
unwrap_used = "warn"
|
||||
|
||||
[dependencies]
|
||||
# local
|
||||
lanspread-db = { path = "../lanspread-db" }
|
||||
|
||||
# external
|
||||
bytes = "1.8"
|
||||
serde = { workspace = true }
|
||||
serde_json = { workspace = true }
|
||||
tracing = { workspace = true }
|
||||
87
crates/lanspread-proto/src/lib.rs
Normal file
87
crates/lanspread-proto/src/lib.rs
Normal file
@ -0,0 +1,87 @@
|
||||
use bytes::Bytes;
|
||||
use lanspread_db::db::Game;
|
||||
use serde::{Deserialize, Serialize};
|
||||
use tracing::error;
|
||||
|
||||
#[derive(Debug, Serialize, Deserialize)]
|
||||
pub enum Request {
|
||||
ListGames,
|
||||
GetGame { id: u64 },
|
||||
Invalid(Vec<u8>, String),
|
||||
}
|
||||
|
||||
#[derive(Clone, Debug, Serialize, Deserialize)]
|
||||
pub enum Response {
|
||||
Games(Vec<Game>),
|
||||
Game(Game),
|
||||
GameNotFound(u64),
|
||||
InvalidRequest(Vec<u8>, String),
|
||||
EncodingError(String),
|
||||
DecodingError(Vec<u8>, String),
|
||||
}
|
||||
|
||||
// Add Message trait
|
||||
pub trait Message {
|
||||
fn decode(bytes: &[u8]) -> Self;
|
||||
fn encode(&self) -> Bytes;
|
||||
}
|
||||
|
||||
// Implement for Request
|
||||
impl Message for Request {
|
||||
fn decode(bytes: &[u8]) -> Self {
|
||||
match serde_json::from_slice(bytes) {
|
||||
Ok(t) => t,
|
||||
Err(e) => {
|
||||
tracing::error!(
|
||||
"got invalid request from client (error: {}): {}",
|
||||
e,
|
||||
String::from_utf8_lossy(bytes)
|
||||
);
|
||||
Request::Invalid(bytes.into(), e.to_string())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn encode(&self) -> Bytes {
|
||||
match serde_json::to_vec(self) {
|
||||
Ok(s) => Bytes::from(s),
|
||||
Err(e) => {
|
||||
error!(?e, "Request encoding error");
|
||||
Bytes::from(format!(r#"{{"error": "encoding error: {e}"}}"#))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Implement for Response
|
||||
impl Message for Response {
|
||||
fn decode(bytes: &[u8]) -> Self {
|
||||
match serde_json::from_slice(bytes) {
|
||||
Ok(t) => t,
|
||||
Err(e) => Response::DecodingError(bytes.into(), e.to_string()),
|
||||
}
|
||||
}
|
||||
|
||||
fn encode(&self) -> Bytes {
|
||||
match serde_json::to_vec(self) {
|
||||
Ok(s) => Bytes::from(s),
|
||||
Err(e) => {
|
||||
error!(?e, "Response encoding error");
|
||||
Bytes::from(format!(r#"{{"error": "encoding error: {e}"}}"#))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Helper methods for Response
|
||||
impl Response {
|
||||
#[must_use]
|
||||
pub fn games(games: Vec<Game>) -> Self {
|
||||
Response::Games(games)
|
||||
}
|
||||
|
||||
#[must_use]
|
||||
pub fn game(game: Game) -> Self {
|
||||
Response::Game(game)
|
||||
}
|
||||
}
|
||||
@ -3,9 +3,20 @@ name = "lanspread-server"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[lints.rust]
|
||||
unsafe_code = "forbid"
|
||||
|
||||
[lints.clippy]
|
||||
pedantic = { level = "warn", priority = -1 }
|
||||
todo = "warn"
|
||||
unwrap_used = "warn"
|
||||
|
||||
[dependencies]
|
||||
# local
|
||||
lanspread-db = { path = "../lanspread-db" }
|
||||
lanspread-proto = { path = "../lanspread-proto" }
|
||||
lanspread-utils = { path = "../lanspread-utils" }
|
||||
|
||||
# external
|
||||
bytes = { workspace = true }
|
||||
eyre = { workspace = true }
|
||||
@ -14,3 +25,5 @@ s2n-quic = { workspace = true }
|
||||
serde_json = { workspace = true }
|
||||
semver = { workspace = true }
|
||||
tokio = { workspace = true }
|
||||
tracing = { workspace = true }
|
||||
tracing-subscriber = { workspace = true }
|
||||
|
||||
@ -1,10 +1,18 @@
|
||||
use std::{net::SocketAddr, path::PathBuf, sync::Arc};
|
||||
use std::{
|
||||
net::SocketAddr,
|
||||
path::{Path, PathBuf},
|
||||
sync::Arc,
|
||||
};
|
||||
|
||||
use bytes::Bytes;
|
||||
use itertools::Itertools as _;
|
||||
use lanspread_db::GameDB;
|
||||
use lanspread_db::db::GameDB;
|
||||
use lanspread_proto::{Message as _, Request, Response};
|
||||
use lanspread_utils::maybe_addr;
|
||||
use s2n_quic::Server as QuicServer;
|
||||
use tokio::sync::Mutex;
|
||||
use testing::generate_test_db;
|
||||
use tokio::{io::AsyncWriteExt, sync::Mutex};
|
||||
use tracing_subscriber::EnvFilter;
|
||||
|
||||
mod testing;
|
||||
|
||||
static KEY_PEM: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../../key.pem"));
|
||||
static CERT_PEM: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../../cert.pem"));
|
||||
@ -13,44 +21,96 @@ const SERVER_ADDR: &str = "0.0.0.0";
|
||||
const SERVER_PORT: u16 = 13337;
|
||||
|
||||
pub(crate) struct Server {
|
||||
pub(crate) db: Arc<Mutex<GameDB>>,
|
||||
db_path: PathBuf,
|
||||
}
|
||||
|
||||
impl Server {
|
||||
pub(crate) fn new<S: Into<PathBuf>>(db_path: S) -> Self {
|
||||
let db_path = db_path.into();
|
||||
let db = Arc::new(Mutex::new(GameDB::load_from_file(&db_path).unwrap()));
|
||||
Server { db, db_path }
|
||||
#[derive(Clone, Debug)]
|
||||
struct ServerCtx {
|
||||
handler: RequestHandler,
|
||||
}
|
||||
|
||||
pub(crate) async fn run(&mut self, addr: SocketAddr) -> eyre::Result<()> {
|
||||
#[derive(Clone, Debug)]
|
||||
struct ConnectionCtx {
|
||||
server_ctx: Arc<ServerCtx>,
|
||||
remote_addr: String,
|
||||
}
|
||||
|
||||
impl Server {
|
||||
fn new<S: Into<PathBuf>>(db_path: S) -> Self {
|
||||
Server {
|
||||
db_path: db_path.into(),
|
||||
}
|
||||
}
|
||||
|
||||
async fn run(&mut self, addr: SocketAddr) -> eyre::Result<()> {
|
||||
tracing_subscriber::fmt()
|
||||
.with_env_filter(EnvFilter::from_default_env())
|
||||
.init();
|
||||
|
||||
let mut server = QuicServer::builder()
|
||||
.with_tls((CERT_PEM, KEY_PEM))?
|
||||
.with_io(addr)?
|
||||
.start()?;
|
||||
|
||||
let db = self.db.clone();
|
||||
let server_ctx = Arc::new(ServerCtx {
|
||||
handler: RequestHandler::new(&self.db_path)?,
|
||||
});
|
||||
|
||||
while let Some(mut connection) = server.accept().await {
|
||||
let conn_ctx = Arc::new(ConnectionCtx {
|
||||
server_ctx: server_ctx.clone(),
|
||||
remote_addr: maybe_addr!(connection.remote_addr()),
|
||||
});
|
||||
// spawn a new task for the connection
|
||||
let db = db.clone();
|
||||
tokio::spawn(async move {
|
||||
eprintln!("Connection accepted from {:?}", connection.remote_addr());
|
||||
tracing::info!("{} connected", conn_ctx.remote_addr);
|
||||
|
||||
while let Ok(Some(mut stream)) = connection.accept_bidirectional_stream().await {
|
||||
while let Ok(Some(stream)) = connection.accept_bidirectional_stream().await {
|
||||
tracing::debug!("{} stream opened: {:?}", conn_ctx.remote_addr, stream);
|
||||
|
||||
let (mut rx, mut tx) = stream.split();
|
||||
|
||||
let conn_ctx = conn_ctx.clone();
|
||||
// spawn a new task for the stream
|
||||
let db = db.clone();
|
||||
tokio::spawn(async move {
|
||||
eprintln!("Stream opened from {:?}", stream.connection().remote_addr());
|
||||
tracing::debug!("{} stream opened", conn_ctx.remote_addr);
|
||||
|
||||
// echo any data back to the stream
|
||||
while let Ok(Some(data)) = stream.receive().await {
|
||||
eprintln!("got data from client: {data:?}");
|
||||
if data.as_ref() == b"get_games" {
|
||||
let games_vec: Vec<_> =
|
||||
db.lock().await.games.values().cloned().collect();
|
||||
let json = serde_json::to_string(&games_vec).unwrap();
|
||||
stream.send(Bytes::from(json)).await.unwrap();
|
||||
// handle streams
|
||||
while let Ok(Some(data)) = rx.receive().await {
|
||||
tracing::trace!(
|
||||
"{} client request (raw): {}",
|
||||
conn_ctx.remote_addr,
|
||||
String::from_utf8_lossy(&data)
|
||||
);
|
||||
|
||||
let request = Request::decode(&data);
|
||||
tracing::debug!(
|
||||
"{} client request (decoded): {:?}",
|
||||
conn_ctx.remote_addr,
|
||||
request
|
||||
);
|
||||
let response =
|
||||
conn_ctx.server_ctx.handler.handle_request(request).await;
|
||||
tracing::trace!(
|
||||
"{} server response: {:?}",
|
||||
conn_ctx.remote_addr,
|
||||
response
|
||||
);
|
||||
let raw_response = response.encode();
|
||||
tracing::trace!(
|
||||
"{} server response (raw): {}",
|
||||
conn_ctx.remote_addr,
|
||||
String::from_utf8_lossy(&raw_response)
|
||||
);
|
||||
|
||||
// write response back to client
|
||||
if let Err(e) = tx.write_all(&raw_response).await {
|
||||
tracing::error!(?e);
|
||||
}
|
||||
|
||||
// close the stream
|
||||
if let Err(e) = tx.close().await {
|
||||
tracing::error!(?e);
|
||||
}
|
||||
}
|
||||
});
|
||||
@ -62,55 +122,54 @@ impl Server {
|
||||
}
|
||||
}
|
||||
|
||||
fn generate_test_db<P: Into<PathBuf>>(db_path: P) {
|
||||
let db_path = db_path.into();
|
||||
#[derive(Clone, Debug)]
|
||||
struct RequestHandler {
|
||||
db: Arc<Mutex<GameDB>>,
|
||||
}
|
||||
|
||||
let mut db = GameDB::new();
|
||||
db.add_game(
|
||||
"Call of Duty 3",
|
||||
"A shooter game in war.",
|
||||
"call_of_duty.tar.zst",
|
||||
64,
|
||||
semver::Version::new(1, 0, 0),
|
||||
);
|
||||
db.add_game(
|
||||
"Counter-Strike Source",
|
||||
"Valve's iconic shooter.",
|
||||
"cstrike.tar.zst",
|
||||
32,
|
||||
semver::Version::new(1, 0, 0),
|
||||
);
|
||||
db.add_game(
|
||||
"Factorio",
|
||||
"Best game of all time, seriously.",
|
||||
"factorio.tar.zst",
|
||||
128,
|
||||
semver::Version::new(1, 0, 0),
|
||||
);
|
||||
impl RequestHandler {
|
||||
fn new(db_path: &Path) -> eyre::Result<Self> {
|
||||
let db = GameDB::load_from_file(db_path)?;
|
||||
Ok(RequestHandler {
|
||||
db: Arc::new(Mutex::new(db)),
|
||||
})
|
||||
}
|
||||
|
||||
db.update_game(1, Some("Call of Duty 4"), None, None);
|
||||
db.save_to_file(&db_path).unwrap();
|
||||
async fn handle_request(&self, request: Request) -> Response {
|
||||
match request {
|
||||
Request::ListGames => {
|
||||
let db = self.db.lock().await;
|
||||
Response::Games(db.all_games().into_iter().cloned().collect())
|
||||
}
|
||||
Request::GetGame { id } => {
|
||||
let db = self.db.lock().await;
|
||||
match db.get_game_by_id(id) {
|
||||
Some(game) => Response::Game(game.clone()),
|
||||
None => Response::GameNotFound(id),
|
||||
}
|
||||
}
|
||||
Request::Invalid(data, err_msg) => {
|
||||
tracing::error!(
|
||||
"got invalid request from client (error: {}): {}",
|
||||
err_msg,
|
||||
String::from_utf8_lossy(&data)
|
||||
);
|
||||
Response::InvalidRequest(data, err_msg)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const GAME_DB_PATH: &str = "/home/pfs/shm/game.db";
|
||||
|
||||
#[tokio::main]
|
||||
async fn main() {
|
||||
async fn main() -> eyre::Result<()> {
|
||||
generate_test_db(GAME_DB_PATH);
|
||||
|
||||
let mut server = Server::new(GAME_DB_PATH);
|
||||
|
||||
server
|
||||
.db
|
||||
.lock()
|
||||
.await
|
||||
.list_games()
|
||||
.iter()
|
||||
.sorted()
|
||||
.for_each(|game| println!("{game:?}"));
|
||||
|
||||
#[allow(clippy::unwrap_used)]
|
||||
server
|
||||
.run(format!("{SERVER_ADDR}:{SERVER_PORT}").parse().unwrap())
|
||||
.await
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
35
crates/lanspread-server/src/testing.rs
Normal file
35
crates/lanspread-server/src/testing.rs
Normal file
@ -0,0 +1,35 @@
|
||||
#![allow(clippy::unwrap_used)]
|
||||
|
||||
use std::path::PathBuf;
|
||||
|
||||
use lanspread_db::db::GameDB;
|
||||
|
||||
pub(crate) fn generate_test_db<P: Into<PathBuf>>(db_path: P) {
|
||||
let db_path = db_path.into();
|
||||
|
||||
let mut db = GameDB::new();
|
||||
db.add_game(
|
||||
"Call of Duty 3",
|
||||
"A shooter game in war.",
|
||||
"call_of_duty.tar.zst",
|
||||
64,
|
||||
semver::Version::new(1, 0, 0),
|
||||
);
|
||||
db.add_game(
|
||||
"Counter-Strike Source",
|
||||
"Valve's iconic shooter.",
|
||||
"cstrike.tar.zst",
|
||||
32,
|
||||
semver::Version::new(1, 0, 0),
|
||||
);
|
||||
db.add_game(
|
||||
"Factorio",
|
||||
"Best game of all time, seriously.",
|
||||
"factorio.tar.zst",
|
||||
128,
|
||||
semver::Version::new(1, 0, 0),
|
||||
);
|
||||
|
||||
db.update_game(1, Some("Call of Duty 4"), None, None);
|
||||
db.save_to_file(&db_path).unwrap();
|
||||
}
|
||||
14
crates/lanspread-utils/Cargo.toml
Normal file
14
crates/lanspread-utils/Cargo.toml
Normal file
@ -0,0 +1,14 @@
|
||||
[package]
|
||||
name = "lanspread-utils"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[lints.rust]
|
||||
unsafe_code = "forbid"
|
||||
|
||||
[lints.clippy]
|
||||
pedantic = { level = "warn", priority = -1 }
|
||||
todo = "warn"
|
||||
unwrap_used = "warn"
|
||||
|
||||
[dependencies]
|
||||
1
crates/lanspread-utils/src/lib.rs
Normal file
1
crates/lanspread-utils/src/lib.rs
Normal file
@ -0,0 +1 @@
|
||||
pub mod macros;
|
||||
6
crates/lanspread-utils/src/macros.rs
Normal file
6
crates/lanspread-utils/src/macros.rs
Normal file
@ -0,0 +1,6 @@
|
||||
#[macro_export]
|
||||
macro_rules! maybe_addr {
|
||||
($addr:expr) => {
|
||||
$addr.map_or("<unknown>".to_string(), |addr| addr.to_string())
|
||||
};
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user