~liljamo/emerwen: feat: initial monitoring work, protocol changes

8 files changed, 1443 insertions(+), 40 deletions(-)

M Cargo.lock
M emerwen-master/src/main.rs
M emerwen-protocol/src/payload.rs
M emerwen-types/Cargo.toml
M emerwen-types/src/lib.rs
M emerwen-worker/src/main.rs
D emerwen-worker/src/target.rs
M flake.nix

M Cargo.lock => Cargo.lock +1303 -2

@@ 76,6 76,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "atomic-waker"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
+
+[[package]]
 name = "autocfg"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 97,12 103,24 @@ dependencies = [
 ]
 
 [[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
+[[package]]
 name = "bitflags"
 version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
 [[package]]
+name = "bumpalo"
+version = "3.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
+
+[[package]]
 name = "byteorder"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 115,6 133,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ac0150caa2ae65ca5bd83f25c7de183dea78d4d366469f148435e2acfbad0da"
 
 [[package]]
+name = "cc"
+version = "1.1.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40545c26d092346d8a8dab71ee48e7685a7a9cba76e634790c215b41a4a7b4cf"
+dependencies = [
+ "shlex",
+]
+
+[[package]]
 name = "cfg-if"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 167,6 194,33 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b63caa9aa9397e2d9480a9b13673856c78d8ac123288526c37d7839f2a86990"
 
 [[package]]
+name = "core-foundation"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
+
+[[package]]
+name = "displaydoc"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
 name = "emerwen-master"
 version = "0.1.0"
 dependencies = [


@@ 184,13 238,18 @@ version = "0.1.0"
 dependencies = [
  "byteorder",
  "emerwen-types",
- "thiserror",
+ "thiserror 2.0.0",
  "tokio",
 ]
 
 [[package]]
 name = "emerwen-types"
 version = "0.1.0"
+dependencies = [
+ "reqwest",
+ "surge-ping",
+ "tokio",
+]
 
 [[package]]
 name = "emerwen-worker"


@@ 205,12 264,154 @@ dependencies = [
 ]
 
 [[package]]
+name = "encoding_rs"
+version = "0.8.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75030f3c4f45dafd7586dd6780965a8c7e8e285a5ecb86713e63a79c5b2766f3"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "errno"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "fastrand"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "486f806e73c5707928240ddc295403b1b93c96a02038563881c4a2fd84b81ac4"
+
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+dependencies = [
+ "foreign-types-shared",
+]
+
+[[package]]
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+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+
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+checksum = "e13624c2627564efccf4934284bdd98cbaa14e79b0b5a141218e507b3a823456"
+dependencies = [
+ "percent-encoding",
+]
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dff15bf788c671c1934e366d07e30c1814a8ef514e1af724a602e8a2fbe1b10"
+dependencies = [
+ "futures-core",
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+
+[[package]]
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+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e"
+
+[[package]]
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+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e575fab7d1e0dcb8d0c7bcf9a63ee213816ab51902e6d244a95819acacf1d4f7"
+
+[[package]]
+name = "futures-task"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f90f7dce0722e95104fcb095585910c0977252f286e354b5e3bd38902cd99988"
+
+[[package]]
+name = "futures-util"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "pin-project-lite",
+ "pin-utils",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
+[[package]]
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 version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
 
 [[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
+[[package]]
+name = "h2"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "524e8ac6999421f49a846c2d4411f337e53497d8ec55d67753beffa43c5d9205"
+dependencies = [
+ "atomic-waker",
+ "bytes",
+ "fnv",
+ "futures-core",
+ "futures-sink",
+ "http",
+ "indexmap",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tracing",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.15.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a9bfc1af68b1726ea47d3d5109de126281def866b33970e10fbab11b5dafab3"
+
+[[package]]
 name = "heck"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 223,12 424,300 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
 
 [[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
+[[package]]
+name = "http"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "21b9ddb458710bc376481b842f5da65cdf31522de232c1ca8146abce2a358258"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
+
+[[package]]
+name = "http-body"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1efedce1fb8e6913f23e0c92de8e62cd5b772a67e7b3946df930a62566c93184"
+dependencies = [
+ "bytes",
+ "http",
+]
+
+[[package]]
+name = "http-body-util"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "793429d76616a256bcb62c2a2ec2bed781c8307e797e2598c50010f2bee2544f"
+dependencies = [
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "pin-project-lite",
+]
+
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+name = "httparse"
+version = "1.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d71d3574edd2771538b901e6549113b4006ece66150fb69c0fb6d9a2adae946"
+
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+dependencies = [
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+ "futures-channel",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "httparse",
+ "itoa",
+ "pin-project-lite",
+ "smallvec",
+ "tokio",
+ "want",
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+ "tower-service",
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+
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 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
 [[package]]
+name = "itoa"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
+
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+version = "0.3.72"
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+checksum = "6a88f1bda2bd75b0452a14784937d796722fdebfe50df998aeb3f0b7603019a9"
+dependencies = [
+ "wasm-bindgen",
+]
+
+[[package]]
 name = "lazy_static"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 241,6 730,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "18d287de67fe55fd7e1581fe933d965a5a9477b38e949cfa9f8574ef01506398"
 
 [[package]]
+name = "linux-raw-sys"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
+
+[[package]]
+name = "litemap"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "643cb0b8d4fcc284004d5fd0d67ccf61dfffadb7f75e1e71bc420f4688a3a704"
+
+[[package]]
 name = "lock_api"
 version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 272,6 773,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
 [[package]]
+name = "mime"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
+
+[[package]]
 name = "miniz_oxide"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 293,6 800,29 @@ dependencies = [
 ]
 
 [[package]]
+name = "native-tls"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8614eb2c83d59d1c8cc974dd3f920198647674a0a035e1af1fa58707e317466"
+dependencies = [
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
+[[package]]
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+checksum = "43794a0ace135be66a25d3ae77d41b91615fb68ae937f904090203e81f755b65"
+
+[[package]]
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 version = "0.46.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 318,6 848,50 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
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+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "foreign-types",
+ "libc",
+ "once_cell",
+ "openssl-macros",
+ "openssl-sys",
+]
+
+[[package]]
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+checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
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+checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
+
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+dependencies = [
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+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
+[[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 347,12 921,81 @@ dependencies = [
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 [[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
+
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+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
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+
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+checksum = "fe4cf6fb3ab38b68d01ab2aea03ed3d1132b4868fa4e06285f29f16da01c5f4c"
+dependencies = [
+ "no-std-net",
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "regex",
+ "syn",
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+
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+checksum = "eea925b72f4bd37f8eab0f221bbe4c78b63498350c983ffa9dd4bcde7e030f56"
+dependencies = [
+ "pnet_base",
+]
+
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+checksum = "a9a005825396b7fe7a38a8e288dbc342d5034dac80c15212436424fef8ea90ba"
+dependencies = [
+ "glob",
+ "pnet_base",
+ "pnet_macros",
+ "pnet_macros_support",
+]
+
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+checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
+dependencies = [
+ "zerocopy",
+]
+
+[[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 371,6 1014,36 @@ dependencies = [
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 [[package]]
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+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
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+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 424,18 1097,210 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
 [[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a77c62af46e79de0a562e1a9849205ffcb7fc1238876e9bd743357570e04046f"
+dependencies = [
+ "base64",
+ "bytes",
+ "encoding_rs",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "http-body-util",
+ "hyper",
+ "hyper-rustls",
+ "hyper-tls",
+ "hyper-util",
+ "ipnet",
+ "js-sys",
+ "log",
+ "mime",
+ "native-tls",
+ "once_cell",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustls-pemfile",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "sync_wrapper",
+ "system-configuration",
+ "tokio",
+ "tokio-native-tls",
+ "tower-service",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "windows-registry",
+]
+
+[[package]]
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+checksum = "c17fa4cb658e3583423e915b9f3acc01cceaee1860e33d59ebae66adc3a2dc0d"
+dependencies = [
+ "cc",
+ "cfg-if",
+ "getrandom",
+ "libc",
+ "spin",
+ "untrusted",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
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+dependencies = [
+ "bitflags",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.52.0",
+]
+
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+ "once_cell",
+ "rustls-pki-types",
+ "rustls-webpki",
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+ "zeroize",
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+
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+
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+]
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+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
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+
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+checksum = "fa39c7303dc58b5543c94d22c1766b0d31f2ee58306363ea622b10bbc075eaa2"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
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+checksum = "f55c3193aca71c12ad7890f1785d2b73e1b9f63a0bbc353c08ef26fe03fc56b5"
+dependencies = [
+ "serde_derive",
+]
+
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+checksum = "de523f781f095e28fa605cdce0f8307e451cc0fd14e2eb4cd2e98a355b147766"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
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+version = "1.0.132"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d726bfaff4b320266d395898905d0eba0345aae23b54aee3a737e260fd46db03"
+dependencies = [
+ "itoa",
+ "memchr",
+ "ryu",
+ "serde",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
+dependencies = [
+ "form_urlencoded",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
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 version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 445,6 1310,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
+[[package]]
 name = "signal-hook-registry"
 version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 454,6 1325,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "slab"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f92a496fb766b417c996b9c5e57daf2f7ad3b0bebe1ccfca4856390e3d3bb67"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
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 version = "1.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 470,12 1350,46 @@ dependencies = [
 ]
 
 [[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
+
+[[package]]
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 checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
 [[package]]
+name = "subtle"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "efbf95ce4c7c5b311d2ce3f088af2b93edef0f09727fa50fbe03c7a979afce77"
+dependencies = [
+ "hex",
+ "parking_lot",
+ "pnet_packet",
+ "rand",
+ "socket2",
+ "thiserror 1.0.68",
+ "tokio",
+ "tracing",
+]
+
+[[package]]
 name = "syn"
 version = "2.0.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 487,12 1401,86 @@ dependencies = [
 ]
 
 [[package]]
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+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7065abeca94b6a8a577f9bd45aa0867a2238b74e8eb67cf10d492bc39351394"
+dependencies = [
+ "futures-core",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8af7666ab7b6390ab78131fb5b0fce11d6b7a6951602017c35fa82800708971"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
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+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c879d448e9d986b661742763247d3693ed13609438cf3d006f51f5368a5ba6b"
+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "system-configuration-sys",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e1d1b10ced5ca923a1fcb8d03e96b8d3268065d724548c0211415ff6ac6bac4"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28cce251fcbc87fac86a866eeb0d6c2d536fc16d06f184bb61aeae11aa4cee0c"
+dependencies = [
+ "cfg-if",
+ "fastrand",
+ "once_cell",
+ "rustix",
+ "windows-sys 0.59.0",
+]
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02dd99dc800bbb97186339685293e1cc5d9df1f8fae2d0aecd9ff1c77efea892"
+dependencies = [
+ "thiserror-impl 1.0.68",
+]
+
+[[package]]
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 checksum = "15291287e9bff1bc6f9ff3409ed9af665bec7a5fc8ac079ea96be07bca0e2668"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 2.0.0",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.68"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7c61ec9a6f64d2793d8a45faba21efbe3ced62a886d44c36a009b2b519b4c7e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]


@@ 517,6 1505,16 @@ dependencies = [
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 [[package]]
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+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9117f5d4db391c1cf6927e7bea3db74b9a1c1add8f7eda9ffd5364f40f57b82f"
+dependencies = [
+ "displaydoc",
+ "zerovec",
+]
+
+[[package]]
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 version = "1.41.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 546,6 1544,46 @@ dependencies = [
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 [[package]]
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+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2"
+dependencies = [
+ "native-tls",
+ "tokio",
+]
+
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+checksum = "0c7bc40d0e5a97695bb96e27995cd3a08538541b0a846f65bba7a359f36700d4"
+dependencies = [
+ "rustls",
+ "rustls-pki-types",
+ "tokio",
+]
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61e7c3654c13bcd040d4a03abee2c75b1d14a37b423cf5a813ceae1cc903ec6a"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
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+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
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@@ 607,12 1645,47 @@ dependencies = [
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 [[package]]
+name = "try-lock"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
+
+[[package]]
 name = "unicode-ident"
 version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
 
 [[package]]
+name = "untrusted"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
+
+[[package]]
+name = "url"
+version = "2.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d157f1b96d14500ffdc1f10ba712e780825526c03d9a49b4d0324b0d9113ada"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "percent-encoding",
+]
+
+[[package]]
+name = "utf16_iter"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8232dd3cdaed5356e0f716d285e4b40b932ac434100fe9b7e0e8e935b9e6246"
+
+[[package]]
+name = "utf8_iter"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
+
+[[package]]
 name = "utf8parse"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 625,12 1698,104 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
 
 [[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
+[[package]]
+name = "want"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e"
+dependencies = [
+ "try-lock",
+]
+
+[[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
+name = "wasm-bindgen"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "128d1e363af62632b8eb57219c8fd7877144af57558fb2ef0368d0087bddeb2e"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb6dd4d3ca0ddffd1dd1c9c04f94b868c37ff5fac97c30b97cff2d74fce3a358"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc7ec4f8827a71586374db3e87abdb5a2bb3a15afed140221307c3ec06b1f63b"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e79384be7f8f5a9dd5d7167216f022090cf1f9ec128e6e6a482a2cb5c5422c56"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26c6ab57572f7a24a4985830b120de1594465e5d500f24afe89e16b4e833ef68"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
+
+[[package]]
+name = "web-sys"
+version = "0.3.72"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6488b90108c040df0fe62fa815cbdee25124641df01814dd7282749234c6112"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
+[[package]]
 name = "winapi"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 653,6 1818,36 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
+name = "windows-registry"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e400001bb720a623c1c69032f8e3e4cf09984deec740f007dd2b03ec864804b0"
+dependencies = [
+ "windows-result",
+ "windows-strings",
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-result"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d1043d8214f791817bab27572aaa8af63732e11bf84aa21a45a78d6c317ae0e"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-strings"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cd9b125c486025df0eabcb585e62173c6c9eddcec5d117d3b6e8c30e2ee4d10"
+dependencies = [
+ "windows-result",
+ "windows-targets",
+]
+
+[[package]]
 name = "windows-sys"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"


@@ 733,3 1928,109 @@ name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "write16"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1890f4022759daae28ed4fe62859b1236caebfc61ede2f63ed4e695f3f6d936"
+
+[[package]]
+name = "writeable"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e9df38ee2d2c3c5948ea468a8406ff0db0b29ae1ffde1bcf20ef305bcc95c51"
+
+[[package]]
+name = "yoke"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c5b1314b079b0930c31e3af543d8ee1757b1951ae1e1565ec704403a7240ca5"
+dependencies = [
+ "serde",
+ "stable_deref_trait",
+ "yoke-derive",
+ "zerofrom",
+]
+
+[[package]]
+name = "yoke-derive"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28cc31741b18cb6f1d5ff12f5b7523e3d6eb0852bbbad19d73905511d9849b95"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
+dependencies = [
+ "byteorder",
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "zerofrom"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91ec111ce797d0e0784a1116d0ddcdbea84322cd79e5d5ad173daeba4f93ab55"
+dependencies = [
+ "zerofrom-derive",
+]
+
+[[package]]
+name = "zerofrom-derive"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ea7b4a3637ea8669cedf0f1fd5c286a17f3de97b8dd5a70a6c167a1730e63a5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
+
+[[package]]
+name = "zerovec"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa2b893d79df23bfb12d5461018d408ea19dfafe76c2c7ef6d4eba614f8ff079"
+dependencies = [
+ "yoke",
+ "zerofrom",
+ "zerovec-derive",
+]
+
+[[package]]
+name = "zerovec-derive"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6eafa6dfb17584ea3e2bd6e76e0cc15ad7af12b09abdd1ca55961bed9b1063c6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]

M emerwen-master/src/main.rs => emerwen-master/src/main.rs +0 -7

@@ 46,13 46,6 @@ async fn main() {
         })
         .await
         .unwrap();
-    let _ = worker_client
-        .send_message(MessagePayload::TargetStateChange {
-            target_id: 42,
-            state: true,
-        })
-        .await
-        .unwrap();
 }
 
 struct WorkerClient {

M emerwen-protocol/src/payload.rs => emerwen-protocol/src/payload.rs +33 -29

@@ 17,15 17,20 @@ pub enum MessagePayload {
         method: TargetMethod,
         addr: String
     },*/
-    /// Worker -> Master target state change.
-    TargetStateChange {
+    /// Worker -> Master target up.
+    TargetUp {
+        /// ID of the target.
+        target_id: u16,
+    },
+    /// Worker -> Master target down.
+    TargetDown {
+        /// ID of the target.
+        target_id: u16,
+    },
+    /// Worker -> Master target unknown.
+    TargetUnknown {
         /// ID of the target.
         target_id: u16,
-        /// State the target changed to.
-        ///
-        /// [`true`] means up.
-        /// [`false`] means down.
-        state: bool,
     },
 }
 


@@ 33,7 38,9 @@ impl From<&MessagePayload> for u8 {
     fn from(message: &MessagePayload) -> u8 {
         match message {
             MessagePayload::Authentication { .. } => 0,
-            MessagePayload::TargetStateChange { .. } => 1,
+            MessagePayload::TargetUp { .. } => 1,
+            MessagePayload::TargetDown { .. } => 2,
+            MessagePayload::TargetUnknown { .. } => 3,
         }
     }
 }


@@ 49,9 56,14 @@ impl MessagePayload {
                 // Key
                 buf.extend(key.as_bytes());
             }
-            MessagePayload::TargetStateChange { target_id, state } => {
+            MessagePayload::TargetUp { target_id } => {
+                buf.extend(target_id.to_be_bytes());
+            }
+            MessagePayload::TargetDown { target_id } => {
+                buf.extend(target_id.to_be_bytes());
+            }
+            MessagePayload::TargetUnknown { target_id } => {
                 buf.extend(target_id.to_be_bytes());
-                buf.push((*state).into());
             }
         }
 


@@ 71,12 83,15 @@ impl MessagePayload {
                     key: String::from_utf8(key_bytes)?,
                 }
             }
-            1 => {
-                let target_id = buf.read_u16::<BigEndian>()?;
-                let state = u8_to_bool(buf.read_u8()?)?;
-
-                MessagePayload::TargetStateChange { target_id, state }
-            }
+            1 => MessagePayload::TargetUp {
+                target_id: buf.read_u16::<BigEndian>()?,
+            },
+            2 => MessagePayload::TargetDown {
+                target_id: buf.read_u16::<BigEndian>()?,
+            },
+            3 => MessagePayload::TargetUnknown {
+                target_id: buf.read_u16::<BigEndian>()?,
+            },
             _ => return Err(Box::new(DecodeError::InvalidPayloadType(payload_type))),
         };
 


@@ 84,14 99,6 @@ impl MessagePayload {
     }
 }
 
-fn u8_to_bool(n: u8) -> Result<bool, DecodeError> {
-    match n {
-        0 => Ok(false),
-        1 => Ok(true),
-        _ => Err(DecodeError::InvalidBoolean(n)),
-    }
-}
-
 #[test]
 fn test_round_trip_payload_authentication() {
     let sent_payload = MessagePayload::Authentication {


@@ 108,11 115,8 @@ fn test_round_trip_payload_authentication() {
 }
 
 #[test]
-fn test_round_trip_payload_targetstatechange() {
-    let sent_payload = MessagePayload::TargetStateChange {
-        target_id: 42,
-        state: true,
-    };
+fn test_round_trip_payload_target_up() {
+    let sent_payload = MessagePayload::TargetUp { target_id: 42 };
 
     let sent_payload_bytes = sent_payload.encode();
     let sent_payload_type = (&sent_payload).into();

M emerwen-types/Cargo.toml => emerwen-types/Cargo.toml +3 -0

@@ 9,3 9,6 @@ publish.workspace = true
 repository.workspace = true
 
 [dependencies]
+reqwest = "0.12"
+surge-ping = "0.8"
+tokio = { version = "1", features = ["full"] }

M emerwen-types/src/lib.rs => emerwen-types/src/lib.rs +48 -1

@@ 1,5 1,52 @@
+use std::{net::IpAddr, time::Duration};
+
 #[derive(Debug, PartialEq)]
 pub enum TargetMethod {
     Ping,
-    Get(u8),
+    GET { ok_codes: Vec<u16> },
+}
+
+pub struct Target {
+    pub id: u32,
+    pub addr: String,
+    /// Check interval in ms
+    pub interval: u32,
+    pub method: TargetMethod,
+}
+
+pub enum CheckResponse {
+    Ping { duration: Duration },
+    GET { status_code: u16 },
+}
+
+impl Target {
+    /// Check the target using the assigned method.
+    ///
+    /// # Errors
+    ///
+    /// Errors should be treated as "unknown".
+    ///
+    /// Returns an error if:
+    /// - IpAddr parse fails
+    /// - reqwest fails to send the request
+    pub async fn check(&self) -> Result<(bool, Option<CheckResponse>), Box<dyn std::error::Error>> {
+        match &self.method {
+            TargetMethod::Ping => {
+                let ip: IpAddr = self.addr.parse()?;
+                match surge_ping::ping(ip, &[0u8; 8]).await {
+                    Ok((_, duration)) => Ok((true, Some(CheckResponse::Ping { duration }))),
+                    Err(_) => Ok((false, None)),
+                }
+            }
+            TargetMethod::GET { ok_codes } => {
+                let response = reqwest::get(self.addr.clone()).await?;
+                let status_code = response.status().as_u16();
+                if ok_codes.contains(&status_code) {
+                    Ok((true, Some(CheckResponse::GET { status_code })))
+                } else {
+                    Ok((false, None))
+                }
+            }
+        }
+    }
 }

M emerwen-worker/src/main.rs => emerwen-worker/src/main.rs +52 -0

@@ 1,5 1,8 @@
+use std::time::Duration;
+
 use clap::Parser;
 use emerwen_protocol::{MessageHeader, MessagePayload, HEADER_LENGTH};
+use emerwen_types::{Target, TargetMethod};
 use tokio::{
     io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader},
     net::TcpListener,


@@ 41,8 44,57 @@ async fn main() {
 
     debug!("Hello, debug!");
 
+    let targets = vec![
+        Target {
+            id: 0,
+            addr: "127.0.0.1".to_owned(),
+            interval: 2000,
+            method: TargetMethod::Ping,
+        },
+        Target {
+            id: 1,
+            addr: "10.1.2.3".to_owned(),
+            interval: 2000,
+            method: TargetMethod::Ping,
+        },
+        Target {
+            id: 2,
+            addr: "https://liljamo.com/".to_owned(),
+            interval: 5000,
+            method: TargetMethod::GET {
+                ok_codes: vec![200],
+            },
+        },
+    ];
+
+    for target in targets {
+        tokio::task::spawn(async move {
+            info!("Starting monitoring task for target {}", target.id);
+
+            let sleep_duration = Duration::from_millis(target.interval.into());
+
+            loop {
+                match target.check().await {
+                    Ok((up, _response)) => {
+                        if !up {
+                            info!("Target {} down!", target.id);
+                        }
+                    }
+                    Err(_) => {
+                        // We failed to check the state, status is unknown (grey).
+                        info!("Target {} unknown!", target.id);
+                    }
+                }
+
+                tokio::time::sleep(sleep_duration).await;
+            }
+        });
+    }
+
+    //tokio::task::spawn(async move {
     let worker_server = WorkerServer::new("127.0.0.1:8000");
     let _ = worker_server.run().await;
+    //});
 }
 
 struct WorkerServer {

D emerwen-worker/src/target.rs => emerwen-worker/src/target.rs +0 -0

M flake.nix => flake.nix +4 -1

@@ 35,7 35,9 @@
         ...
       }: let
         toolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
-        libs = [];
+        libs = with pkgs; [
+          openssl
+        ];
       in {
         _module.args.pkgs = import inputs.nixpkgs {
           inherit system;


@@ 81,6 83,7 @@
               mold
 
               clang
+              pkg-config
 
               just