Working basic server
This commit is contained in:
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05e8baa6fb
282
Cargo.lock
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282
Cargo.lock
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@ -17,6 +17,15 @@ version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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"memchr",
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@ -71,6 +80,12 @@ version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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[[package]]
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@ -80,6 +95,19 @@ dependencies = [
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"serde",
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"serde",
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]
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]
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[[package]]
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"convert_case",
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"proc-macro2",
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"quote",
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"rustc_version",
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"syn 1.0.109",
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[[package]]
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@ -136,7 +164,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
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dependencies = [
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"proc-macro2",
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"syn 2.0.29",
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[[package]]
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[[package]]
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@ -186,6 +214,26 @@ version = "0.28.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"gumdrop_derive",
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[[package]]
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name = "gumdrop_derive"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro2",
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version = "0.3.2"
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@ -198,6 +246,12 @@ version = "1.0.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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[[package]]
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version = "0.2.147"
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@ -214,6 +268,21 @@ dependencies = [
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"scopeguard",
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"scopeguard",
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]
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]
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[[package]]
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name = "log"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "matchers"
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"regex-automata 0.1.10",
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@ -259,8 +328,10 @@ checksum = "1d6b1cf1c2ae7c8c3898cbf8354ee836bc7037e35592d3739a9901d53c97b6a2"
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"derive_more",
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"futures-channel",
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"gumdrop",
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"multipeek",
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"multipeek",
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"nix",
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"nix",
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"pin-project-lite",
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@ -269,6 +340,8 @@ dependencies = [
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"thiserror",
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"thiserror",
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"time",
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"time",
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"tokio",
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"tokio",
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"tracing",
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"tracing-subscriber",
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"uuid",
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"uuid",
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@ -284,6 +357,16 @@ dependencies = [
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"memoffset",
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"memoffset",
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]
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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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name = "num_cpus"
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name = "num_cpus"
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version = "1.16.0"
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version = "1.16.0"
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@ -303,6 +386,18 @@ dependencies = [
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"memchr",
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"memchr",
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]
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]
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name = "once_cell"
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version = "1.18.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
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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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name = "parking_lot"
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version = "0.12.1"
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@ -365,12 +460,65 @@ dependencies = [
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"bitflags 1.3.2",
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"bitflags 1.3.2",
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]
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name = "regex"
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"aho-corasick",
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"memchr",
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"regex-automata 0.3.8",
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"regex-syntax 0.7.5",
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]
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name = "regex-automata"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"regex-syntax 0.6.29",
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name = "regex-automata"
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version = "0.3.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c2f401f4955220693b56f8ec66ee9c78abffd8d1c4f23dc41a23839eb88f0795"
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dependencies = [
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"aho-corasick",
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"memchr",
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"regex-syntax 0.7.5",
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]
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name = "regex-syntax"
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version = "0.6.29"
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version = "0.7.5"
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checksum = "dbb5fb1acd8a1a18b3dd5be62d25485eb770e05afb408a9627d14d451bae12da"
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name = "rustc-demangle"
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name = "rustc-demangle"
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version = "0.1.23"
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version = "0.1.23"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "rustc_version"
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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 = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
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dependencies = [
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"semver",
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]
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name = "ryu"
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name = "ryu"
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version = "1.0.15"
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version = "1.0.15"
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@ -383,6 +531,12 @@ version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
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[[package]]
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name = "semver"
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version = "1.0.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b0293b4b29daaf487284529cc2f5675b8e57c61f70167ba415a463651fd6a918"
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name = "serde"
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name = "serde"
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version = "1.0.188"
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version = "1.0.188"
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@ -400,7 +554,7 @@ checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2"
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dependencies = [
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dependencies = [
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"proc-macro2",
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"proc-macro2",
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"quote",
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"syn",
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"syn 2.0.29",
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]
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name = "sharded-slab"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"lazy_static",
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]
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name = "signal-hook-registry"
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version = "1.4.1"
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"windows-sys",
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"windows-sys",
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]
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name = "syn"
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version = "1.0.109"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"proc-macro2",
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"quote",
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"unicode-ident",
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name = "syn"
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@ -476,7 +650,17 @@ checksum = "6bb623b56e39ab7dcd4b1b98bb6c8f8d907ed255b18de254088016b27a8ee19b"
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"proc-macro2",
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|
dependencies = [
|
||||||
|
"cfg-if",
|
||||||
|
"once_cell",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
@ -533,7 +717,69 @@ checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
|
|||||||
dependencies = [
|
dependencies = [
|
||||||
"proc-macro2",
|
"proc-macro2",
|
||||||
"quote",
|
"quote",
|
||||||
"syn",
|
"syn 2.0.29",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing"
|
||||||
|
version = "0.1.37"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8"
|
||||||
|
dependencies = [
|
||||||
|
"cfg-if",
|
||||||
|
"pin-project-lite",
|
||||||
|
"tracing-attributes",
|
||||||
|
"tracing-core",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing-attributes"
|
||||||
|
version = "0.1.26"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5f4f31f56159e98206da9efd823404b79b6ef3143b4a7ab76e67b1751b25a4ab"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn 2.0.29",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing-core"
|
||||||
|
version = "0.1.31"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0955b8137a1df6f1a2e9a37d8a6656291ff0297c1a97c24e0d8425fe2312f79a"
|
||||||
|
dependencies = [
|
||||||
|
"once_cell",
|
||||||
|
"valuable",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing-log"
|
||||||
|
version = "0.1.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "78ddad33d2d10b1ed7eb9d1f518a5674713876e97e5bb9b7345a7984fbb4f922"
|
||||||
|
dependencies = [
|
||||||
|
"lazy_static",
|
||||||
|
"log",
|
||||||
|
"tracing-core",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing-subscriber"
|
||||||
|
version = "0.3.17"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "30a651bc37f915e81f087d86e62a18eec5f79550c7faff886f7090b4ea757c77"
|
||||||
|
dependencies = [
|
||||||
|
"matchers",
|
||||||
|
"nu-ansi-term",
|
||||||
|
"once_cell",
|
||||||
|
"regex",
|
||||||
|
"sharded-slab",
|
||||||
|
"smallvec",
|
||||||
|
"thread_local",
|
||||||
|
"tracing",
|
||||||
|
"tracing-core",
|
||||||
|
"tracing-log",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
@ -551,12 +797,40 @@ dependencies = [
|
|||||||
"getrandom",
|
"getrandom",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "valuable"
|
||||||
|
version = "0.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "wasi"
|
name = "wasi"
|
||||||
version = "0.11.0+wasi-snapshot-preview1"
|
version = "0.11.0+wasi-snapshot-preview1"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi"
|
||||||
|
version = "0.3.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||||
|
dependencies = [
|
||||||
|
"winapi-i686-pc-windows-gnu",
|
||||||
|
"winapi-x86_64-pc-windows-gnu",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-i686-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-x86_64-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "windows-sys"
|
name = "windows-sys"
|
||||||
version = "0.48.0"
|
version = "0.48.0"
|
||||||
|
|||||||
@ -3,9 +3,15 @@ name = "nats-server"
|
|||||||
version = "0.1.0"
|
version = "0.1.0"
|
||||||
edition = "2021"
|
edition = "2021"
|
||||||
|
|
||||||
|
[[test]]
|
||||||
|
name = "test_connect"
|
||||||
|
path = "./tests/test_connect.rs"
|
||||||
|
|
||||||
[dependencies]
|
[dependencies]
|
||||||
|
derive_more = "0.99.17"
|
||||||
futures = "0.3.28"
|
futures = "0.3.28"
|
||||||
futures-channel = "0.3.28"
|
futures-channel = "0.3.28"
|
||||||
|
gumdrop = "0.8.1"
|
||||||
multipeek = "0.1.2"
|
multipeek = "0.1.2"
|
||||||
nix = { version = "0.27.1", features = ["socket", "hostname", "net", "dir"] }
|
nix = { version = "0.27.1", features = ["socket", "hostname", "net", "dir"] }
|
||||||
pin-project-lite = "0.2.13"
|
pin-project-lite = "0.2.13"
|
||||||
@ -14,4 +20,6 @@ serde_json = "1.0.105"
|
|||||||
thiserror = "1.0.47"
|
thiserror = "1.0.47"
|
||||||
time = { version = "0.3.28", features = ["serde"] }
|
time = { version = "0.3.28", features = ["serde"] }
|
||||||
tokio = { version = "1.32.0", features = ["full"] }
|
tokio = { version = "1.32.0", features = ["full"] }
|
||||||
|
tracing = "0.1.37"
|
||||||
|
tracing-subscriber = { version = "0.3.17", features = ["env-filter"] }
|
||||||
uuid = { version = "1.4.1", features = ["v4"] }
|
uuid = { version = "1.4.1", features = ["v4"] }
|
||||||
|
|||||||
445
src/main.rs
445
src/main.rs
@ -1,10 +1,13 @@
|
|||||||
#![allow(dead_code)]
|
#![allow(dead_code)]
|
||||||
|
#![feature(async_fn_in_trait)]
|
||||||
|
|
||||||
use std::borrow::Cow;
|
use std::collections::BTreeSet;
|
||||||
use std::collections::HashMap;
|
use std::collections::HashMap;
|
||||||
|
use std::net::SocketAddr;
|
||||||
use std::sync::Arc;
|
use std::sync::Arc;
|
||||||
|
|
||||||
use time::OffsetDateTime;
|
use time::OffsetDateTime;
|
||||||
|
use tokio::sync::mpsc::Sender;
|
||||||
use tokio::{
|
use tokio::{
|
||||||
io::{AsyncReadExt, AsyncWriteExt},
|
io::{AsyncReadExt, AsyncWriteExt},
|
||||||
net::{
|
net::{
|
||||||
@ -14,196 +17,56 @@ use tokio::{
|
|||||||
spawn,
|
spawn,
|
||||||
sync::{Mutex, RwLock},
|
sync::{Mutex, RwLock},
|
||||||
};
|
};
|
||||||
use uuid::Uuid;
|
use tracing::{debug, info};
|
||||||
use multipeek::multipeek;
|
|
||||||
|
|
||||||
#[derive(Debug)]
|
mod input;
|
||||||
pub struct Sub(String);
|
use input::*;
|
||||||
|
mod output;
|
||||||
|
use output::*;
|
||||||
|
mod model;
|
||||||
|
use model::*;
|
||||||
|
mod client;
|
||||||
|
use client::*;
|
||||||
|
mod server;
|
||||||
|
use server::*;
|
||||||
|
mod error;
|
||||||
|
use error::*;
|
||||||
|
|
||||||
impl Sub {
|
#[derive(gumdrop::Options)]
|
||||||
pub fn new<S: Into<String>>(s: S) -> Self {Self(s.into())}
|
struct Args {
|
||||||
|
help: bool,
|
||||||
pub fn is_wildcard(&self) -> bool {
|
port: Option<u16>,
|
||||||
self.0.contains('*')
|
addr: Option<String>,
|
||||||
}
|
max_payload: Option<usize>,
|
||||||
|
|
||||||
fn eq_with_wild(&self, chan: &str) -> bool {
|
|
||||||
let mut left = self.0.chars().peekable();
|
|
||||||
let mut right = multipeek(chan.chars());
|
|
||||||
|
|
||||||
while let Some(c) = left.peek() {
|
|
||||||
if *c == '*' {
|
|
||||||
while let Some('*') = left.peek() {
|
|
||||||
eprintln!("while let * l => {:?}", left.next());
|
|
||||||
eprintln!("while let * r => {:?}", right.next()); // consume right to match number of wildcard
|
|
||||||
}
|
|
||||||
// check non-wildcard
|
|
||||||
let pair = (left.peek(), right.peek());
|
|
||||||
eprintln!("after wild {pair:?}");
|
|
||||||
let current = match pair {
|
|
||||||
(Some(c), _) => *c,
|
|
||||||
(None, _) => return true,
|
|
||||||
};
|
|
||||||
|
|
||||||
while let Some(c) = right.peek_nth(0).cloned() {
|
|
||||||
eprintln!("skipping to {current} -> {c}");
|
|
||||||
let second = right.peek_nth(1).cloned();
|
|
||||||
if c == current && second != Some(current) {
|
|
||||||
break;
|
|
||||||
} else {
|
|
||||||
right.next();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
let pair = (left.next(), right.next());
|
|
||||||
eprintln!("after wild {pair:?}");
|
|
||||||
match pair {
|
|
||||||
(None, _) => return true,
|
|
||||||
(Some(l), Some(r)) if l != r => return false,
|
|
||||||
(Some(_), None) => return false,
|
|
||||||
_ => {}
|
|
||||||
};
|
|
||||||
} else {
|
|
||||||
let pair = (left.next(), right.next());
|
|
||||||
eprintln!("non wild {pair:?}");
|
|
||||||
match pair {
|
|
||||||
(None, None) => return true,
|
|
||||||
(Some(l), Some(r)) if l != r => return false,
|
|
||||||
_ => {}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
}
|
|
||||||
left.next() == right.next()
|
|
||||||
}
|
|
||||||
|
|
||||||
pub fn eq_with_chan(&self, chan: &str) -> bool {
|
|
||||||
if self.is_wildcard() {
|
|
||||||
println!("is wild");
|
|
||||||
self.eq_with_wild(chan)
|
|
||||||
} else {
|
|
||||||
println!("not wild {} {}", self.0.len(), chan.len());
|
|
||||||
if self.0.len() != chan.len() {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
self.0.eq_ignore_ascii_case(&chan)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
#[cfg(test)]
|
pub fn init_logger() {
|
||||||
mod sub_tests {
|
tracing_subscriber::fmt()
|
||||||
use super::*;
|
.with_env_filter(tracing_subscriber::filter::EnvFilter::from_default_env())
|
||||||
|
.init();
|
||||||
#[test]
|
|
||||||
fn check_simple() {
|
|
||||||
println!("================================================");
|
|
||||||
println!("check simple");
|
|
||||||
assert_eq!(Sub::new("foo").eq_with_chan("foo"), true);
|
|
||||||
assert_eq!(Sub::new("foo").eq_with_chan("fo"), false);
|
|
||||||
assert_eq!(Sub::new("foo").eq_with_chan("oo"), false);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn check_ends_wild() {
|
|
||||||
println!("================================================");
|
|
||||||
println!("check ends");
|
|
||||||
assert_eq!(Sub::new("fo*").eq_with_chan("foo"), true);
|
|
||||||
assert_eq!(Sub::new("f*").eq_with_chan("foo"), true);
|
|
||||||
assert_eq!(Sub::new("f*").eq_with_chan("foz"), true);
|
|
||||||
assert_eq!(Sub::new("f*").eq_with_chan("ff"), true);
|
|
||||||
assert_eq!(Sub::new("f*").eq_with_chan("of"), false);
|
|
||||||
assert_eq!(Sub::new("f*").eq_with_chan("ofz"), false);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn check_starts_wild() {
|
|
||||||
println!("================================================");
|
|
||||||
println!("check starts");
|
|
||||||
assert_eq!(Sub::new("*oo").eq_with_chan("foo"), true);
|
|
||||||
assert_eq!(Sub::new("*ofo").eq_with_chan("acfofo"), true);
|
|
||||||
assert_eq!(Sub::new("*o").eq_with_chan("foo"), true);
|
|
||||||
assert_eq!(Sub::new("*o").eq_with_chan("bar"), false);
|
|
||||||
assert_eq!(Sub::new("*o").eq_with_chan("foz"), false);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn check_middle_wild() {
|
|
||||||
println!("================================================");
|
|
||||||
println!("check middle");
|
|
||||||
assert_eq!(Sub::new("a*z").eq_with_chan("ahz"), true);
|
|
||||||
assert_eq!(Sub::new("a*z").eq_with_chan("ahkz"), true);
|
|
||||||
assert_eq!(Sub::new("a*z").eq_with_chan("hakz"), false);
|
|
||||||
assert_eq!(Sub::new("a*z").eq_with_chan("akza"), false);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn check_multiple_wild() {
|
|
||||||
println!("================================================");
|
|
||||||
println!("check multi");
|
|
||||||
assert_eq!(Sub::new("*a*z").eq_with_chan("gahz"), true);
|
|
||||||
assert_eq!(Sub::new("*a*z").eq_with_chan("ahz"), false);
|
|
||||||
|
|
||||||
assert_eq!(Sub::new("a*k*z").eq_with_chan("asklz"), true);
|
|
||||||
assert_eq!(Sub::new("a*k*z").eq_with_chan("sklz"), false);
|
|
||||||
assert_eq!(Sub::new("a*k*z").eq_with_chan("saklz"), false);
|
|
||||||
assert_eq!(Sub::new("a*k*z").eq_with_chan("asklzl"), false);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug, Clone)]
|
|
||||||
struct Server {
|
|
||||||
clients: Arc<RwLock<HashMap<Uuid, Client>>>,
|
|
||||||
subcriptions: Arc<RwLock<Vec<(Sub, Uuid)>>>,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl Server {
|
|
||||||
pub async fn register(&mut self, client: Client) {
|
|
||||||
self.clients.write().await.insert(client.id, client);
|
|
||||||
}
|
|
||||||
|
|
||||||
pub async fn remove(&mut self, client: Client) {
|
|
||||||
*client.dead.write().await = true;
|
|
||||||
self.clients.write().await.remove(&client.id);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug, Clone)]
|
|
||||||
struct Client {
|
|
||||||
id: uuid::Uuid,
|
|
||||||
writer: Arc<Mutex<OwnedWriteHalf>>,
|
|
||||||
dead: Arc<RwLock<bool>>,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl Client {
|
|
||||||
pub fn new(write: OwnedWriteHalf) -> Self {
|
|
||||||
Self {
|
|
||||||
id: uuid::Uuid::new_v4(),
|
|
||||||
writer: Arc::new(Mutex::new(write)),
|
|
||||||
dead: Arc::new(RwLock::new(false)),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
pub async fn write(&self, s: Cow<'static, str>) -> Result<(), CmdErr> {
|
|
||||||
let mut l = self.writer.lock().await;
|
|
||||||
l.write(format!("{s}\r\n").as_bytes())
|
|
||||||
.await
|
|
||||||
.map_err(|e| {
|
|
||||||
eprintln!("{e}");
|
|
||||||
CmdErr::WriteFailed
|
|
||||||
})
|
|
||||||
.map(|_| ())
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
#[tokio::main]
|
#[tokio::main]
|
||||||
async fn main() -> std::io::Result<()> {
|
async fn main() -> std::io::Result<()> {
|
||||||
let listener = tokio::net::TcpListener::bind(("0.0.0.0", 4222))
|
init_logger();
|
||||||
|
let args: Args = gumdrop::Options::parse_args_default_or_exit();
|
||||||
|
let server = Server::new(
|
||||||
|
&args.addr.unwrap_or_else(|| "0.0.0.0".into()),
|
||||||
|
args.port.unwrap_or(4222),
|
||||||
|
args.max_payload.unwrap_or(4096),
|
||||||
|
);
|
||||||
|
info!("Starting server at {}:{}", server.addr, server.port);
|
||||||
|
|
||||||
|
let listener = tokio::net::TcpListener::bind((server.addr.clone().as_str(), server.port))
|
||||||
.await
|
.await
|
||||||
.unwrap();
|
.unwrap();
|
||||||
listener.set_ttl(100).expect("Failed to set TTL");
|
listener.set_ttl(100).expect("Failed to set TTL");
|
||||||
|
|
||||||
while let Ok((stream, _addr)) = listener.accept().await {
|
while let Ok((stream, addr)) = listener.accept().await {
|
||||||
|
info!("new connection from {addr:?}");
|
||||||
|
let server = server.clone();
|
||||||
spawn(async move {
|
spawn(async move {
|
||||||
handle_connection(stream).await;
|
handle_connection(server.clone(), addr, stream).await;
|
||||||
});
|
});
|
||||||
}
|
}
|
||||||
Ok(())
|
Ok(())
|
||||||
@ -214,13 +77,14 @@ struct Context {
|
|||||||
last_live_msg: Arc<RwLock<time::OffsetDateTime>>,
|
last_live_msg: Arc<RwLock<time::OffsetDateTime>>,
|
||||||
}
|
}
|
||||||
|
|
||||||
async fn handle_connection(stream: TcpStream) {
|
async fn handle_connection(server: Server, addr: SocketAddr, stream: TcpStream) {
|
||||||
let ctx = Context {
|
let ctx = Context {
|
||||||
last_live_msg: Arc::new(RwLock::new(time::OffsetDateTime::now_utc())),
|
last_live_msg: Arc::new(RwLock::new(time::OffsetDateTime::now_utc())),
|
||||||
};
|
};
|
||||||
|
|
||||||
let is_alive = spawn(start_stream_health_check(ctx.clone()));
|
let (read, client, dead_notif) = server.create_client(stream).await;
|
||||||
let handle_commands = spawn(handle_commands(stream, ctx));
|
let is_alive = spawn(start_stream_health_check(ctx.clone(), dead_notif));
|
||||||
|
let handle_commands = spawn(handle_commands(server.clone(), addr, ctx, read, client));
|
||||||
|
|
||||||
tokio::select!(
|
tokio::select!(
|
||||||
_ = is_alive => (),
|
_ = is_alive => (),
|
||||||
@ -228,38 +92,68 @@ async fn handle_connection(stream: TcpStream) {
|
|||||||
);
|
);
|
||||||
}
|
}
|
||||||
|
|
||||||
async fn handle_commands(stream: TcpStream, ctx: Context) {
|
async fn handle_commands(
|
||||||
let (mut rx, mut tx) = stream.into_split();
|
server: Server,
|
||||||
let mut buf = Vec::with_capacity(4096);
|
addr: SocketAddr,
|
||||||
|
ctx: Context,
|
||||||
|
mut rx: OwnedReadHalf,
|
||||||
|
client: Client,
|
||||||
|
) {
|
||||||
|
let mut buf = Vec::with_capacity(server.max_payload);
|
||||||
|
|
||||||
while let Ok(_) = handle_incomming_cmd(&mut rx, &mut tx, &mut buf, ctx.clone()).await {}
|
let conn_info = ConnectionInfo {
|
||||||
|
client_ip: addr.to_string(),
|
||||||
|
server_id: "asdajsdjasdjas".into(),
|
||||||
|
server_name: "foo.bar".into(),
|
||||||
|
version: env!("CARGO_PKG_VERSION"),
|
||||||
|
proto: 1,
|
||||||
|
host: server.addr.clone(),
|
||||||
|
port: server.port,
|
||||||
|
client_id: client.id().await,
|
||||||
|
max_payload: server.max_payload,
|
||||||
|
};
|
||||||
|
client
|
||||||
|
.write(format!("{}", Info::new(conn_info)))
|
||||||
|
.await
|
||||||
|
.unwrap();
|
||||||
|
|
||||||
|
while let Ok(_) = handle_incomming_cmd(
|
||||||
|
&mut rx,
|
||||||
|
client.clone(),
|
||||||
|
&mut buf,
|
||||||
|
ctx.clone(),
|
||||||
|
server.clone(),
|
||||||
|
)
|
||||||
|
.await
|
||||||
|
{}
|
||||||
}
|
}
|
||||||
|
|
||||||
async fn handle_incomming_cmd(
|
async fn handle_incomming_cmd(
|
||||||
rx: &mut OwnedReadHalf,
|
rx: &mut OwnedReadHalf,
|
||||||
tx: &mut OwnedWriteHalf,
|
client: Client,
|
||||||
buf: &mut Vec<u8>,
|
buf: &mut Vec<u8>,
|
||||||
ctx: Context,
|
ctx: Context,
|
||||||
|
server: Server,
|
||||||
) -> Result<(), CmdErr> {
|
) -> Result<(), CmdErr> {
|
||||||
let Ok(_n) = rx.read_buf(buf).await else {
|
buf.clear();
|
||||||
|
debug!("Reading message....");
|
||||||
|
let Some(pos) = read_to_msg_end(rx, buf).await else {
|
||||||
return Ok(());
|
return Ok(());
|
||||||
};
|
};
|
||||||
let pos = match buf.iter().position(|i| *i == b'\r') {
|
|
||||||
Some(0) | None => return Ok(()),
|
|
||||||
Some(n) => n,
|
|
||||||
};
|
|
||||||
let Ok(msg) = std::str::from_utf8(&buf[..pos]) else {
|
let Ok(msg) = std::str::from_utf8(&buf[..pos]) else {
|
||||||
return Ok(());
|
return Ok(());
|
||||||
};
|
};
|
||||||
eprintln!("buffer msg is: {msg:?}");
|
debug!("buffer msg is: {msg:?}");
|
||||||
for msg in msg.to_owned().split('\r') {
|
for msg in msg.to_owned().split('\r') {
|
||||||
eprintln!("Message is: {:?}", msg);
|
debug!("Message is: {:?}", msg);
|
||||||
match handle_msg(msg, buf, rx, tx).await {
|
let msg = msg.trim();
|
||||||
|
match handle_msg(msg, buf, rx, client.clone(), server.clone()).await {
|
||||||
Err(e) => {
|
Err(e) => {
|
||||||
tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;
|
tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;
|
||||||
return Err(e);
|
return Err(e);
|
||||||
}
|
}
|
||||||
Ok(Op::NoOp) => {}
|
Ok(()) => {}
|
||||||
};
|
};
|
||||||
}
|
}
|
||||||
*ctx.last_live_msg.write().await = time::OffsetDateTime::now_utc();
|
*ctx.last_live_msg.write().await = time::OffsetDateTime::now_utc();
|
||||||
@ -267,11 +161,37 @@ async fn handle_incomming_cmd(
|
|||||||
Ok(())
|
Ok(())
|
||||||
}
|
}
|
||||||
|
|
||||||
async fn start_stream_health_check(ctx: Context) {
|
async fn read_to_msg_end(rx: &mut OwnedReadHalf, buf: &mut Vec<u8>) -> Option<usize> {
|
||||||
|
loop {
|
||||||
|
match rx.read_buf(buf).await {
|
||||||
|
Ok(n) => {
|
||||||
|
debug!("received {n} bytes");
|
||||||
|
}
|
||||||
|
Err(e) => {
|
||||||
|
debug!("Failed to read from rx: {e}");
|
||||||
|
return None;
|
||||||
|
}
|
||||||
|
};
|
||||||
|
let caret_pos = buf.iter().rposition(|i| *i == b'\r');
|
||||||
|
match caret_pos {
|
||||||
|
None => continue,
|
||||||
|
Some(0) => {
|
||||||
|
debug!("Return caret does not exists or is head. Skipping...: {caret_pos:?}");
|
||||||
|
return None;
|
||||||
|
}
|
||||||
|
Some(n) => return Some(n),
|
||||||
|
};
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn start_stream_health_check(ctx: Context, dead_notif: Sender<()>) {
|
||||||
|
const PING_PONG_SPAN: time::Duration = time::Duration::seconds(1);
|
||||||
loop {
|
loop {
|
||||||
if *ctx.last_live_msg.read().await + PING_PONG_SPAN >= OffsetDateTime::now_utc() {
|
if *ctx.last_live_msg.read().await + PING_PONG_SPAN >= OffsetDateTime::now_utc() {
|
||||||
tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;
|
tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;
|
||||||
continue;
|
continue;
|
||||||
|
} else {
|
||||||
|
dead_notif.send(()).await.unwrap();
|
||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
@ -281,129 +201,32 @@ async fn handle_msg<'stream>(
|
|||||||
msg: &str,
|
msg: &str,
|
||||||
buf: &mut Vec<u8>,
|
buf: &mut Vec<u8>,
|
||||||
rx: &mut OwnedReadHalf,
|
rx: &mut OwnedReadHalf,
|
||||||
tx: &mut OwnedWriteHalf,
|
client: Client,
|
||||||
) -> Result<Op, CmdErr> {
|
server: Server,
|
||||||
let cmd: Cmd = match Cmd::parse_command(msg, buf, rx).await {
|
) -> Result<(), CmdErr> {
|
||||||
|
let fut = Cmd::parse_command(msg, buf, rx);
|
||||||
|
let cmd: Cmd = match fut.await {
|
||||||
Ok(cmd) => cmd,
|
Ok(cmd) => cmd,
|
||||||
Err(e) => {
|
Err(e) => {
|
||||||
let msg = format!("-ERR '{e}'\r\n");
|
let msg = format!("-ERR '{e}'");
|
||||||
tx.write(msg.as_bytes()).await.unwrap();
|
client.write(msg).await.unwrap();
|
||||||
return Err(e);
|
return Err(e);
|
||||||
}
|
}
|
||||||
};
|
};
|
||||||
match cmd {
|
match cmd {
|
||||||
Cmd::Connect(_) => {
|
Cmd::Connect(_) => {
|
||||||
tx.write(b"+OK\r\n").await.unwrap();
|
client.ok().await;
|
||||||
Ok(Op::NoOp)
|
|
||||||
}
|
}
|
||||||
Cmd::Publish {
|
Cmd::Publish(publish) => {
|
||||||
channel_name,
|
client.ok().await;
|
||||||
payload,
|
server.publish(publish).await;
|
||||||
len,
|
|
||||||
} => {
|
|
||||||
tx.write(b"+OK\r\n").await.unwrap();
|
|
||||||
tx.write(format!("received {channel_name:?} {len:?} {payload:?} \r\n").as_bytes())
|
|
||||||
.await
|
|
||||||
.unwrap();
|
|
||||||
Ok(Op::NoOp)
|
|
||||||
}
|
}
|
||||||
Cmd::Ping | Cmd::Pong => {
|
Cmd::Ping | Cmd::Pong => {}
|
||||||
//
|
Cmd::Subscribe(subscribe) => {
|
||||||
Ok(Op::NoOp)
|
server.add_sub(client.uid().await, subscribe).await;
|
||||||
|
client.ok().await;
|
||||||
}
|
}
|
||||||
_ => Ok(Op::NoOp),
|
_ => (),
|
||||||
}
|
};
|
||||||
}
|
Ok(())
|
||||||
|
|
||||||
enum Op {
|
|
||||||
NoOp,
|
|
||||||
}
|
|
||||||
|
|
||||||
const PING_PONG_SPAN: time::Duration = time::Duration::seconds(1);
|
|
||||||
|
|
||||||
#[derive(Debug)]
|
|
||||||
struct ChannelName(String);
|
|
||||||
|
|
||||||
#[derive(Debug)]
|
|
||||||
struct UniqueId(String);
|
|
||||||
|
|
||||||
#[derive(Debug)]
|
|
||||||
struct ConnectArgs {}
|
|
||||||
|
|
||||||
enum Cmd {
|
|
||||||
Connect(ConnectArgs),
|
|
||||||
Ping,
|
|
||||||
Pong,
|
|
||||||
Subscribe {
|
|
||||||
channel_name: ChannelName,
|
|
||||||
uid: UniqueId,
|
|
||||||
},
|
|
||||||
UnSubscribe {
|
|
||||||
uid: UniqueId,
|
|
||||||
},
|
|
||||||
Publish {
|
|
||||||
channel_name: ChannelName,
|
|
||||||
payload: String,
|
|
||||||
len: usize,
|
|
||||||
},
|
|
||||||
Message {
|
|
||||||
channel_name: ChannelName,
|
|
||||||
target_uid: UniqueId,
|
|
||||||
payload: String,
|
|
||||||
len: usize,
|
|
||||||
},
|
|
||||||
}
|
|
||||||
|
|
||||||
impl Cmd {
|
|
||||||
async fn parse_command(
|
|
||||||
s: &str,
|
|
||||||
buf: &mut Vec<u8>,
|
|
||||||
rx: &mut OwnedReadHalf,
|
|
||||||
) -> Result<Self, CmdErr> {
|
|
||||||
let mut parts = s.split_whitespace();
|
|
||||||
let cmd = parts.next().ok_or(CmdErr::UnknownCmd)?;
|
|
||||||
if cmd.eq_ignore_ascii_case("connect") {
|
|
||||||
let args = ConnectArgs {};
|
|
||||||
// TODO: args???
|
|
||||||
Ok(Cmd::Connect(args))
|
|
||||||
} else if cmd.eq_ignore_ascii_case("ping") {
|
|
||||||
Ok(Cmd::Ping)
|
|
||||||
} else if cmd.eq_ignore_ascii_case("pong") {
|
|
||||||
Ok(Cmd::Pong)
|
|
||||||
} else if cmd.eq_ignore_ascii_case("pub") {
|
|
||||||
let channel_name = ChannelName(parts.next().ok_or(CmdErr::MissingChanName)?.to_owned());
|
|
||||||
let len: usize = parts
|
|
||||||
.next()
|
|
||||||
.ok_or(CmdErr::ExpectLen)?
|
|
||||||
.parse()
|
|
||||||
.map_err(|_| CmdErr::ExpectLen)?;
|
|
||||||
let Ok(_) = rx.read_exact(&mut buf[..len]).await else {
|
|
||||||
return Err(CmdErr::MissingArg);
|
|
||||||
};
|
|
||||||
let Ok(payload) = std::str::from_utf8(&buf[..len]) else {
|
|
||||||
return Err(CmdErr::MissingArg);
|
|
||||||
};
|
|
||||||
Ok(Cmd::Publish {
|
|
||||||
channel_name,
|
|
||||||
payload: payload.to_owned(),
|
|
||||||
len,
|
|
||||||
})
|
|
||||||
} else {
|
|
||||||
Err(CmdErr::UnknownCmd)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug, thiserror::Error)]
|
|
||||||
enum CmdErr {
|
|
||||||
#[error("Unknown Protocol Operation")]
|
|
||||||
UnknownCmd,
|
|
||||||
#[error("Missing argument")]
|
|
||||||
MissingArg,
|
|
||||||
#[error("Missing channel name")]
|
|
||||||
MissingChanName,
|
|
||||||
#[error("Missing payload length")]
|
|
||||||
ExpectLen,
|
|
||||||
#[error("Unable to write to client")]
|
|
||||||
WriteFailed,
|
|
||||||
}
|
}
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user