Add monoclient, clean main lonelyradio code a little

Signed-off-by: Ivan Bushchik <ivabus@ivabus.dev>

Cargo.lock

@@ -17,6 +17,37 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
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+checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
+dependencies = [
+ "memchr",
+]
+
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+checksum = "e2562ad8dcf0f789f65c6fdaad8a8a9708ed6b488e649da28c01656ad66b8b47"
+dependencies = [
+ "alsa-sys",
+ "bitflags 1.3.2",
+ "libc",
+ "nix",
+]
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+dependencies = [
+ "libc",
+ "pkg-config",
+]
+
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -107,12 +138,38 @@ dependencies = [
  "rustc-demangle",
 ]
 
+[[package]]
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+version = "0.69.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4c69fae65a523209d34240b60abe0c42d33d1045d445c0839d8a4894a736e2d"
+dependencies = [
+ "bitflags 2.4.2",
+ "cexpr",
+ "clang-sys",
+ "lazy_static",
+ "lazycell",
+ "peeking_take_while",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn 2.0.48",
+]
+
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
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+
 [[package]]
 name = "bumpalo"
 version = "3.14.0"
@@ -125,6 +182,12 @@ version = "1.14.1"
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 checksum = "ed2490600f404f2b94c167e31d3ed1d5f3c225a0f3b80230053b3e0b7b962bd9"
 
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+
 [[package]]
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@@ -137,9 +200,25 @@ version = "1.0.83"
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 checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
 dependencies = [
+ "jobserver",
  "libc",
 ]
 
+[[package]]
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+dependencies = [
+ "nom",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -160,6 +239,17 @@ dependencies = [
  "windows-targets 0.52.0",
 ]
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67523a3b4be3ce1989d607a828d036249522dd9c1c8de7f4dd2dae43a37369d1"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
+
 [[package]]
 name = "clap"
 version = "4.4.18"
@@ -191,7 +281,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.48",
 ]
 
 [[package]]
@@ -215,12 +305,73 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
+[[package]]
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+dependencies = [
+ "bytes",
+ "memchr",
+]
+
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+ "bindgen",
+]
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+dependencies = [
+ "alsa",
+ "core-foundation-sys",
+ "coreaudio-rs",
+ "dasp_sample",
+ "jni 0.19.0",
+ "js-sys",
+ "libc",
+ "mach2",
+ "ndk",
+ "ndk-context",
+ "oboe",
+ "once_cell",
+ "parking_lot",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "windows",
+]
+
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+
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@@ -230,6 +381,12 @@ dependencies = [
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 ]
 
+[[package]]
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+
 [[package]]
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 version = "0.2.12"
@@ -247,6 +404,18 @@ version = "0.28.1"
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 checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
+[[package]]
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+
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+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -282,6 +451,59 @@ dependencies = [
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 ]
 
+[[package]]
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+version = "2.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
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+dependencies = [
+ "cesu8",
+ "combine",
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+ "log",
+ "thiserror",
+ "walkdir",
+]
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+dependencies = [
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+ "combine",
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+ "thiserror",
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+dependencies = [
+ "libc",
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@@ -297,12 +519,28 @@ version = "1.4.0"
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+ "windows-sys 0.48.0",
+]
+
 [[package]]
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@@ -312,6 +550,16 @@ dependencies = [
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 ]
 
+[[package]]
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+ "autocfg",
+ "scopeguard",
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@@ -320,7 +568,7 @@ checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 
 [[package]]
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-version = "0.1.5"
+version = "0.1.6"
 dependencies = [
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@@ -331,12 +579,27 @@ dependencies = [
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 ]
 
+[[package]]
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+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "libc",
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+
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@@ -357,6 +620,76 @@ dependencies = [
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+[[package]]
+name = "monoclient"
+version = "0.1.0"
+dependencies = [
+ "byteorder",
+ "clap",
+ "rodio",
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+ "ndk-sys",
+ "num_enum",
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+ "thiserror",
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+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
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@@ -376,6 +709,27 @@ dependencies = [
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 ]
 
+[[package]]
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+version = "0.5.11"
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+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
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@@ -385,24 +739,92 @@ dependencies = [
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@@ -451,12 +873,71 @@ dependencies = [
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+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
+
+[[package]]
+name = "rodio"
+version = "0.17.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b1bb7b48ee48471f55da122c0044fcc7600cfcc85db88240b89cb832935e611"
+dependencies = [
+ "cpal",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -475,6 +956,24 @@ dependencies = [
  "libsamplerate-sys",
 ]
 
+[[package]]
+name = "scopeguard"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+
+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
+[[package]]
+name = "smallvec"
+version = "1.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6ecd384b10a64542d77071bd64bd7b231f4ed5940fba55e98c3de13824cf3d7"
+
 [[package]]
 name = "socket2"
 version = "0.5.5"
@@ -531,7 +1030,7 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0f31d7fece546f1e6973011a9eceae948133bbd18fd3d52f6073b1e38ae6368a"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "lazy_static",
  "log",
  "symphonia-core",
@@ -597,7 +1096,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7c73eb88fee79705268cc7b742c7bc93a7b76e092ab751d0833866970754142"
 dependencies = [
  "arrayvec",
- "bitflags",
+ "bitflags 1.3.2",
  "bytemuck",
  "lazy_static",
  "log",
@@ -674,6 +1173,17 @@ dependencies = [
  "symphonia-metadata",
 ]
 
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.48"
@@ -685,6 +1195,26 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.56"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d54378c645627613241d077a3a79db965db602882668f9136ac42af9ecb730ad"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.56"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa0faa943b50f3db30a20aa7e265dbc66076993efed8463e8de414e5d06d3471"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
 [[package]]
 name = "tokio"
 version = "1.35.1"
@@ -710,7 +1240,24 @@ checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.48",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3550f4e9685620ac18a50ed434eb3aec30db8ba93b0287467bca5826ea25baf1"
+
+[[package]]
+name = "toml_edit"
+version = "0.19.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
+dependencies = [
+ "indexmap",
+ "toml_datetime",
+ "winnow",
 ]
 
 [[package]]
@@ -762,10 +1309,22 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.48",
  "wasm-bindgen-shared",
 ]
 
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bde2032aeb86bdfaecc8b261eef3cba735cc426c1f3a3416d1e0791be95fc461"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.90"
@@ -784,7 +1343,7 @@ checksum = "bae1abb6806dc1ad9e560ed242107c0f6c84335f1749dd4e8ddb012ebd5e25a7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.48",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -795,6 +1354,16 @@ version = "0.2.90"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d91413b1c31d7539ba5ef2451af3f0b833a005eb27a631cec32bc0635a8602b"
 
+[[package]]
+name = "web-sys"
+version = "0.3.67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58cd2333b6e0be7a39605f0e255892fd7418a682d8da8fe042fe25128794d2ed"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -826,6 +1395,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdacb41e6a96a052c6cb63a144f24900236121c6f63f4f8219fef5977ecb0c25"
+dependencies = [
+ "windows-targets 0.42.2",
+]
+
 [[package]]
 name = "windows-core"
 version = "0.52.0"
@@ -853,6 +1431,21 @@ dependencies = [
  "windows-targets 0.52.0",
 ]
 
+[[package]]
+name = "windows-targets"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
+dependencies = [
+ "windows_aarch64_gnullvm 0.42.2",
+ "windows_aarch64_msvc 0.42.2",
+ "windows_i686_gnu 0.42.2",
+ "windows_i686_msvc 0.42.2",
+ "windows_x86_64_gnu 0.42.2",
+ "windows_x86_64_gnullvm 0.42.2",
+ "windows_x86_64_msvc 0.42.2",
+]
+
 [[package]]
 name = "windows-targets"
 version = "0.48.5"
@@ -883,6 +1476,12 @@ dependencies = [
  "windows_x86_64_msvc 0.52.0",
 ]
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.48.5"
@@ -895,6 +1494,12 @@ version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.48.5"
@@ -907,6 +1512,12 @@ version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.48.5"
@@ -919,6 +1530,12 @@ version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.48.5"
@@ -931,6 +1548,12 @@ version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.48.5"
@@ -943,6 +1566,12 @@ version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.48.5"
@@ -955,6 +1584,12 @@ version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.48.5"
@@ -966,3 +1601,12 @@ name = "windows_x86_64_msvc"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
+[[package]]
+name = "winnow"
+version = "0.5.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7cad8365489051ae9f054164e459304af2e7e9bb407c958076c8bf4aef52da5"
+dependencies = [
+ "memchr",
+]

Cargo.toml

@@ -1,17 +1,36 @@
+[workspace]
+members = ["monoclient"]
+
 [package]
 name = "lonelyradio"
 description = "TCP radio for singles"
 version = "0.1.6"
 edition = "2021"
 license = "MIT"
-authors = [ "Ivan Bushchik <ivabus@ivabus.dev>" ]
+authors = ["Ivan Bushchik <ivabus@ivabus.dev>"]
 repository = "https://github.com/ivabus/lonelyradio"
 
 [dependencies]
 rand = "0.8.5"
-clap = { version = "4.4.18", features = [ "derive" ] }
+clap = { version = "4.4.18", features = ["derive"] }
-tokio = { version = "1.35.1", features = [ "fs", "io-util", "net", "rt-multi-thread", "rt", "macros" ] }
+tokio = { version = "1.35.1", features = [
+    "fs",
+    "io-util",
+    "net",
+    "rt-multi-thread",
+    "rt",
+    "macros",
+] }
 walkdir = "2.4.0"
-symphonia = { version = "0.5.3", features = [ "all-codecs", "all-formats", "pcm", "symphonia-codec-pcm" ] }
+symphonia = { version = "0.5.3", features = [
+    "all-codecs",
+    "all-formats",
+    "pcm",
+    "symphonia-codec-pcm",
+] }
 samplerate = "0.2.4"
 chrono = "0.4"
+
+[profile.release]
+opt-level = 3
+lto = true

README.md

@@ -22,6 +22,12 @@ All files (recursively) will be shuffled and played back. Public log will be dis
 
 ### Clients
 
+[monoclient](./monoclient) with optional channel separation, hardcoded input (16/44.1/LE).
+
+```shell
+monoclient <SERVER>:<PORT> s
+```
+
 FFplay (from FFmpeg)
 
 ```shell
@@ -36,4 +42,4 @@ nc <SERVER> <PORT> | mpv --audio-channels=stereo --audio-samplerate=44100 --demu
 
 ## License
 
-lonelyradio is licensed under the terms of the [MIT license](./LICENSE).
+lonelyradio and monoclient are licensed under the terms of the [MIT license](./LICENSE).

monoclient/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "monoclient"
+version = "0.1.0"
+edition = "2021"
+license = "MIT"
+
+[dependencies]
+clap = { version = "4.4.18", features = ["derive"] }
+rodio = { version = "0.17.3", default-features = false }
+byteorder = "1.5.0"

monoclient/src/main.rs

@@ -0,0 +1,82 @@
+use byteorder::ByteOrder;
+use clap::Parser;
+use rodio::buffer::SamplesBuffer;
+use rodio::{OutputStream, Sink};
+use std::io::Read;
+use std::net::TcpStream;
+
+// How many samples to cache before playing (half a second)
+const BUFFER_SIZE: usize = 44100;
+
+enum Channel {
+	Right,
+	Left,
+	Stereo,
+}
+
+#[derive(Parser)]
+struct Args {
+	/// Remote address
+	address: String,
+	/// L, R or S for Left, Right or Stereo
+	channel: String,
+	#[arg(short)]
+	/// Play only on specified channel, with it if channel = Right => L=0 and R=R, without L=R and R=R. No effect on Stereo
+	single: bool,
+}
+
+fn main() {
+	let args = Args::parse();
+	let mut stream = TcpStream::connect(args.address).unwrap();
+
+	let channel = match args.channel.to_ascii_lowercase().as_str() {
+		"l" => Channel::Left,
+		"r" => Channel::Right,
+		"s" => Channel::Stereo,
+		_ => panic!("Wrong channel specified"),
+	};
+	let (_stream, stream_handle) = OutputStream::try_default().unwrap();
+	let sink = Sink::try_new(&stream_handle).unwrap();
+	let mut buffer = [0u8; 4];
+	let mut samples = vec![];
+	while stream.read_exact(&mut buffer).is_ok() {
+		let sample_l = byteorder::LittleEndian::read_i16(&buffer[..2]) as f32 / 32768.0;
+		let sample_r = byteorder::LittleEndian::read_i16(&buffer[2..]) as f32 / 32768.0;
+		// Left channel
+		samples.push(match channel {
+			Channel::Left | Channel::Stereo => sample_l,
+			Channel::Right => {
+				if args.single {
+					0f32
+				} else {
+					sample_r
+				}
+			}
+		});
+		// Right channel
+		samples.push(match channel {
+			Channel::Right | Channel::Stereo => sample_r,
+			Channel::Left => {
+				if args.single {
+					0f32
+				} else {
+					sample_l
+				}
+			}
+		});
+		if samples.len() >= BUFFER_SIZE {
+			// What is next three lines?
+			// Sink's thread is detached from main thread, so we need to somehow synchronize with it
+			// Why we should synchronize with it?
+			// Let's say, that if we don't synchronize with it, we would have
+			// a lot (no upper limit, actualy) of buffered sound, waiting for playing in sink
+			while sink.len() >= 3
+			// buffered >= 1.5 sec
+			{
+				std::thread::sleep(std::time::Duration::from_secs_f32(0.25))
+			}
+			sink.append(SamplesBuffer::new(2, 44100, samples));
+			samples = vec![];
+		}
+	}
+}

src/main.rs

@@ -3,7 +3,6 @@ use std::path::PathBuf;
 use chrono::Local;
 use clap::Parser;
 use rand::prelude::*;
-use rand::seq::SliceRandom;
 use samplerate::ConverterType;
 use symphonia::core::audio::SampleBuffer;
 use symphonia::core::codecs::CODEC_TYPE_NULL;
@@ -158,13 +157,12 @@ async fn stream(mut s: TcpStream) {
 								.to_le_bytes(),
 							)
 							.await;
-						if result.is_err() {
+						match result {
-							// Socket error -> stop
+							Err(_) | Ok(0) => {
-							return;
+								return;
-						} else if result.unwrap() == 0 {
+							}
-							// If socket cannot accept data -> stop
+							_ => (),
-							return;
+						};
-						}
 					}
 					continue;
 				}