From 6629cc6058ffed9fd80ec022b09da56337016e56 Mon Sep 17 00:00:00 2001
From: TQ Hirsch <thequux@upstandinghackers.com>
Date: Tue, 3 May 2022 11:18:13 +0200
Subject: [PATCH] Progress towards power monitoring

---
 Cargo.lock    | 787 +++++++++++++++++++++++++++++++++++++++++++++++++-
 Cargo.toml    |   6 +-
 src/main.rs   |  13 +
 src/upower.rs |  69 +++++
 4 files changed, 869 insertions(+), 6 deletions(-)
 create mode 100644 src/upower.rs

diff --git a/Cargo.lock b/Cargo.lock
index a61e05e..5271e2e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,12 +2,114 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "aho-corasick"
+version = "0.7.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08f9b8508dccb7687a1d6c4ce66b2b0ecef467c94667de27d8d7fe1f8d2a9cdc"
 
+[[package]]
+name = "async-broadcast"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bbd92a9bd0e9c1298118ecf8a2f825e86b12c3ec9e411573e34aaf3a0c03cdd"
+dependencies = [
+ "easy-parallel",
+ "event-listener",
+ "futures-core",
+ "parking_lot",
+]
+
+[[package]]
+name = "async-channel"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2114d64672151c0c5eaa5e131ec84a74f06e1e559830dabba01ca30605d66319"
+dependencies = [
+ "concurrent-queue",
+ "event-listener",
+ "futures-core",
+]
+
+[[package]]
+name = "async-executor"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "871f9bb5e0a22eeb7e8cf16641feb87c9dc67032ccf8ff49e772eb9941d3a965"
+dependencies = [
+ "async-task",
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "once_cell",
+ "slab",
+]
+
+[[package]]
+name = "async-io"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a811e6a479f2439f0c04038796b5cfb3d2ad56c230e0f2d3f7b04d68cfee607b"
+dependencies = [
+ "concurrent-queue",
+ "futures-lite",
+ "libc",
+ "log",
+ "once_cell",
+ "parking",
+ "polling",
+ "slab",
+ "socket2",
+ "waker-fn",
+ "winapi",
+]
+
+[[package]]
+name = "async-lock"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e97a171d191782fba31bb902b14ad94e24a68145032b7eedf871ab0bc0d077b6"
+dependencies = [
+ "event-listener",
+]
+
+[[package]]
+name = "async-recursion"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7d78656ba01f1b93024b7c3a0467f1608e4be67d725749fdcd7d2c7678fd7a2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "async-task"
+version = "4.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30696a84d817107fc028e049980e09d5e140e8da8f1caeb17e8e950658a3cea9"
+
+[[package]]
+name = "async-trait"
+version = "0.1.53"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed6aa3524a2dfcf9fe180c51eae2b58738348d819517ceadf95789c51fff7600"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -20,6 +122,18 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "byteorder"
+version = "1.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+
+[[package]]
+name = "cache-padded"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1db59621ec70f09c5e9b597b220c7a2b43611f4710dc03ceb8748637775692c"
+
 [[package]]
 name = "calloop"
 version = "0.9.3"
@@ -27,7 +141,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf2eec61efe56aa1e813f5126959296933cf0700030e4314786c48779a66ab82"
 dependencies = [
  "log",
- "nix",
+ "nix 0.22.3",
 ]
 
 [[package]]
@@ -42,6 +156,26 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "concurrent-queue"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30ed07550be01594c6026cff2a1d7fe9c8f683caa798e12b68694ac9e88286a3"
+dependencies = [
+ "cache-padded",
+]
+
+[[package]]
+name = "derivative"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "dlib"
 version = "0.5.0"
@@ -57,6 +191,184 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ea835d29036a4087793836fa931b08837ad5e957da9e23886b29586fb9b6650"
 
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+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6907e25393cdcc1f4f3f513d9aac1e840eb1cc341a0fccb01171f7d14d10b946"
+
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+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e75d4cd21b95383444831539909fbb14b9dc3fdceb2a6f5d36577329a1f55ccb"
+dependencies = [
+ "enumflags2_derive",
+ "serde",
+]
+
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
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+version = "2.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77f3309417938f28bf8228fcff79a4a37103981e3e186d2ccd19c74b38f4eb71"
+
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+dependencies = [
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+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
+
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+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
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+ "futures-util",
+]
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+dependencies = [
+ "fastrand",
+ "futures-core",
+ "futures-io",
+ "memchr",
+ "parking",
+ "pin-project-lite",
+ "waker-fn",
+]
+
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+dependencies = [
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+ "quote",
+ "syn",
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+
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+
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+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
+ "futures-task",
+ "memchr",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+]
+
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+dependencies = [
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+ "libc",
+ "wasi",
+]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
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 version = "1.4.0"
@@ -79,6 +391,16 @@ dependencies = [
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 ]
 
+[[package]]
+name = "lock_api"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "327fa5b6a6940e4699ec49a9beae1ea4845c6bab9314e4f84ac68742139d8c53"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
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@@ -131,6 +453,19 @@ dependencies = [
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+[[package]]
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+version = "0.23.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f866317acbd3a240710c63f065ffb1e4fd466259045ccb504130b7f668f35c6"
+dependencies = [
+ "bitflags",
+ "cc",
+ "cfg-if",
+ "libc",
+ "memoffset",
+]
+
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 version = "7.1.1"
@@ -147,12 +482,94 @@ version = "1.10.0"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
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+ "pin-project-lite",
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+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
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+ "lock_api",
+ "parking_lot_core",
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+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
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+ "instant",
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+ "smallvec",
+ "winapi",
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+
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+
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+
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+dependencies = [
+ "cfg-if",
+ "libc",
+ "log",
+ "wepoll-ffi",
+ "winapi",
+]
+
+[[package]]
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+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+checksum = "e17d47ce914bf4de440332250b0edd23ce48c005f59fab39d3335866b114f11a"
+dependencies = [
+ "thiserror",
+ "toml",
+]
+
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@@ -171,6 +588,166 @@ dependencies = [
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+version = "0.4.6"
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+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
+
+[[package]]
+name = "serde"
+version = "1.0.137"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61ea8d54c77f8315140a05f4c7237403bf38b72704d031543aa1d16abbf517d1"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.137"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f26faba0c3959972377d3b2d306ee9f71faee9714294e41bb777f83f88578be"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_repr"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2ad84e47328a31223de7fed7a4f5087f2d6ddfe586cf3ca25b7a165bc0a5aed"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "sha1"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1da05c97445caa12d05e848c4a4fcbbea29e748ac28f7e80e9b010392063770"
+dependencies = [
+ "sha1_smol",
+]
+
+[[package]]
+name = "sha1_smol"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae1a47186c03a32177042e55dbc5fd5aee900b8e0069a8d70fba96a9375cd012"
+
+[[package]]
+name = "slab"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb703cfe953bccee95685111adeedb76fabe4e97549a58d16f03ea7b9367bb32"
+
 [[package]]
 name = "smallvec"
 version = "1.8.0"
@@ -189,28 +766,131 @@ dependencies = [
  "lazy_static",
  "log",
  "memmap2",
- "nix",
+ "nix 0.22.3",
  "pkg-config",
  "wayland-client",
  "wayland-cursor",
  "wayland-protocols",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66d72b759436ae32898a2af0a14218dbf55efde3feeb170eb623637db85ee1e0"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
+[[package]]
+name = "syn"
+version = "1.0.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ff7c592601f11445996a06f8ad0c27f094a58857c2f89e97974ab9235b92c52"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
+[[package]]
+name = "tempdir"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
+dependencies = [
+ "rand 0.4.6",
+ "remove_dir_all",
+]
+
+[[package]]
+name = "thiserror"
+version = "1.0.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd829fe32373d27f76265620b5309d0340cb8550f523c1dda251d6298069069a"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "toml"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "uds_windows"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "486992108df0fe0160680af1941fe856c521be931d5a5ecccefe0de86dc47e4a"
+dependencies = [
+ "tempdir",
+ "winapi",
+]
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
+[[package]]
+name = "upower_dbus"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ceaf39cc5ce74325c0b398ffb91cfcc258dc420fd3e4bc1aa1a0a5c3f6eddf8"
+dependencies = [
+ "serde",
+ "serde_repr",
+ "zbus",
+ "zvariant",
+]
+
+[[package]]
+name = "waker-fn"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
+
+[[package]]
+name = "wasi"
+version = "0.10.2+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
+
 [[package]]
 name = "wattbar"
 version = "0.1.0"
 dependencies = [
  "anyhow",
  "calloop",
+ "futures",
  "smithay-client-toolkit",
+ "upower_dbus",
  "wayland-client",
  "wayland-protocols",
+ "zbus",
 ]
 
 [[package]]
@@ -222,7 +902,7 @@ dependencies = [
  "bitflags",
  "downcast-rs",
  "libc",
- "nix",
+ "nix 0.22.3",
  "wayland-commons",
  "wayland-scanner",
  "wayland-sys",
@@ -234,7 +914,7 @@ version = "0.29.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94f6e5e340d7c13490eca867898c4cec5af56c27a5ffe5c80c6fc4708e22d33e"
 dependencies = [
- "nix",
+ "nix 0.22.3",
  "once_cell",
  "smallvec",
  "wayland-sys",
@@ -246,7 +926,7 @@ version = "0.29.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c52758f13d5e7861fc83d942d3d99bf270c83269575e52ac29e5b73cb956a6bd"
 dependencies = [
- "nix",
+ "nix 0.22.3",
  "wayland-client",
  "xcursor",
 ]
@@ -283,6 +963,15 @@ dependencies = [
  "pkg-config",
 ]
 
+[[package]]
+name = "wepoll-ffi"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d743fdedc5c64377b5fc2bc036b01c7fd642205a0d96356034ae3404d49eb7fb"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -319,3 +1008,91 @@ name = "xml-rs"
 version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2d7d3948613f75c98fd9328cfdcc45acc4d360655289d0a7d4ec931392200a3"
+
+[[package]]
+name = "zbus"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53819092b9db813b2c6168b097b4b13ad284d81c9f2b0165a0a1b190e505a1f3"
+dependencies = [
+ "async-broadcast",
+ "async-channel",
+ "async-executor",
+ "async-io",
+ "async-lock",
+ "async-recursion",
+ "async-task",
+ "async-trait",
+ "byteorder",
+ "derivative",
+ "enumflags2",
+ "event-listener",
+ "futures-core",
+ "futures-sink",
+ "futures-util",
+ "hex",
+ "lazy_static",
+ "nix 0.23.1",
+ "once_cell",
+ "ordered-stream",
+ "rand 0.8.5",
+ "serde",
+ "serde_repr",
+ "sha1",
+ "static_assertions",
+ "uds_windows",
+ "winapi",
+ "zbus_macros",
+ "zbus_names",
+ "zvariant",
+]
+
+[[package]]
+name = "zbus_macros"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7174ebe6722c280d6d132d694bb5664ce50a788cb70eeb518e7fc1ca095a114"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "syn",
+]
+
+[[package]]
+name = "zbus_names"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45dfcdcf87b71dad505d30cc27b1b7b88a64b6d1c435648f48f9dbc1fdc4b7e1"
+dependencies = [
+ "serde",
+ "static_assertions",
+ "zvariant",
+]
+
+[[package]]
+name = "zvariant"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e18ba99d71e03af262953f476071607da0c44e225236cf9b5b9f7f11f1d0b6b0"
+dependencies = [
+ "byteorder",
+ "enumflags2",
+ "libc",
+ "serde",
+ "static_assertions",
+ "zvariant_derive",
+]
+
+[[package]]
+name = "zvariant_derive"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9042892ebdca35261951a83d17bcbfd4d3d528cb3bde828498a9b306b50d05c0"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 0c64071..4c012fe 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,4 +10,8 @@ wayland-client = "0.29"
 wayland-protocols = "0.29"
 anyhow = "1"
 smithay-client-toolkit = { version = "0.15", default-features = false, features = ["calloop"] }
-calloop = "0.9.3"
\ No newline at end of file
+calloop = "0.9.3"
+
+zbus = "2.2.0"
+upower_dbus = { version = "0.2.0" }
+futures = { version = "0.3.21", features = ["executor"] }
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 965811a..b08786f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,9 +1,12 @@
 
+pub mod upower;
+
 use std::{
     cell::RefCell,
     rc::Rc,
 };
 use std::cell::Cell;
+use std::sync::RwLock;
 use wayland_client::{Attached, Main, protocol::{
     wl_shm,
     wl_surface::WlSurface,
@@ -45,12 +48,22 @@ pub enum RenderEvent {
     }
 }
 
+pub struct PowerState {
+    /// Level, between 0 and 1
+    level: f32,
+    /// True if line power is available.
+    charging: bool,
+    /// Time to full charge/empty, in seconds
+    time_remaining: f32,
+}
+
 pub struct Surface {
     surface: WlSurface,
     layer_surface: Main<ZwlrLayerSurfaceV1>,
     next_render_event: Rc<Cell<Option<RenderEvent>>>,
     pool: AutoMemPool,
     dimensions: (u32, u32),
+    display_status: Arc<RwLock<>>
 }
 
 impl Surface {
diff --git a/src/upower.rs b/src/upower.rs
new file mode 100644
index 0000000..332d731
--- /dev/null
+++ b/src/upower.rs
@@ -0,0 +1,69 @@
+use zbus;
+use upower_dbus;
+use std::sync::{Arc, RwLock, mpsc::{Sender, Receiver}};
+use std::sync::mpsc::SyncSender;
+use crate::PowerState;
+
+pub struct PowerReporter {
+    sender: Sender<()>,
+    status: Arc<RwLock<Option<PowerState>>>,
+}
+
+pub struct PowerReceiver {
+    receiver: Receiver<()>,
+    status: Arc<RwLock<Option<PowerState>>>,
+}
+
+pub struct UPowerMonitor {
+    reporter: PowerReporter,
+
+    dbus: zbus::Connection,
+}
+
+macro_rules! catch {
+    ($expr:block) => {
+        (|| { $expr })()
+    };
+}
+
+pub fn spawn_upower(reporter: PowerReporter) -> anyhow::Result<()> {
+    let (start_send, start_receive) = std::sync::mpsc::sync_channel(1);
+    std::thread::spawn(|| {
+        let failure = upower_run(reporter, &start_send);;
+        if failure.is_err() {
+            start_send.send(failure);
+        }
+    });
+
+    start_receive.recv()?
+}
+
+async fn upower_run(reporter: PowerReporter, start_send: &SyncSender<anyhow::Result<()>>) {
+    let dbus = zbus::blocking::Connection::system()?;
+    let display_device_path = upower_dbus::UPowerProxyBlocking::new(&connection).await?
+        .get_display_device().await?;
+    zbus::blocking::fdo::PropertiesProxy::builder(&dbus)
+        
+
+    let display_proxy = upower_dbus::DeviceProxyBlocking::builder()
+        .path(display_device_path)?
+        .build().await?;
+
+    start_send.send(Ok(())).unwrap();
+}
+
+impl UPowerMonitor {
+    fn spawn(reporter: PowerReporter) -> anyhow::Result<Self> {
+
+        futures::executor::block_on(async {
+            let dbus = zbus::Connection::system().await?;
+
+            Ok(Self {
+                reporter,
+                dbus,
+            })
+        })
+    }
+
+}
+