diff --git a/Makefile.am b/Makefile.am index e82d8d4a..6d4d3d17 100644 --- a/Makefile.am +++ b/Makefile.am @@ -47,11 +47,11 @@ containers_SOURCES = $(top_srcdir)/examples/containers.cpp adapter_SOURCES = $(top_srcdir)/examples/adapter.cpp if HAVE_CXX20 test_high_level_SOURCES = $(top_srcdir)/tests/high_level.cpp -echo_server_SOURCES = $(top_srcdir)/examples/echo_server.cpp -echo_server_over_redis_SOURCES = $(top_srcdir)/benchmarks/echo_server_over_redis.cpp -echo_server_direct_SOURCES = $(top_srcdir)/tools/echo_server_direct.cpp chat_room_SOURCES = $(top_srcdir)/examples/chat_room.cpp -echo_server_client_SOURCES = $(top_srcdir)/benchmarks/echo_server_client.cpp +echo_server_SOURCES = $(top_srcdir)/examples/echo_server.cpp +echo_server_over_redis_SOURCES = $(top_srcdir)/benchmarks/cpp/echo_server_over_redis.cpp +echo_server_direct_SOURCES = $(top_srcdir)/benchmarks/cpp/echo_server_direct.cpp +echo_server_client_SOURCES = $(top_srcdir)/benchmarks/cpp/echo_server_client.cpp endif nobase_include_HEADERS =\ diff --git a/benchmarks/echo_server_client.cpp b/benchmarks/cpp/echo_server_client.cpp similarity index 100% rename from benchmarks/echo_server_client.cpp rename to benchmarks/cpp/echo_server_client.cpp diff --git a/benchmarks/echo_server_direct.cpp b/benchmarks/cpp/echo_server_direct.cpp similarity index 100% rename from benchmarks/echo_server_direct.cpp rename to benchmarks/cpp/echo_server_direct.cpp diff --git a/benchmarks/echo_server_over_redis.cpp b/benchmarks/cpp/echo_server_over_redis.cpp similarity index 100% rename from benchmarks/echo_server_over_redis.cpp rename to benchmarks/cpp/echo_server_over_redis.cpp diff --git a/benchmarks/echo_server_direct.js b/benchmarks/nodejs/echo_server_direct.js similarity index 100% rename from benchmarks/echo_server_direct.js rename to benchmarks/nodejs/echo_server_direct.js diff --git a/benchmarks/echo_server_over_redis.js b/benchmarks/nodejs/echo_server_over_redis.js similarity index 100% rename from benchmarks/echo_server_over_redis.js rename to benchmarks/nodejs/echo_server_over_redis.js diff --git a/benchmarks/nodejs/package-lock.json b/benchmarks/nodejs/package-lock.json new file mode 100644 index 00000000..cb82b808 --- /dev/null +++ b/benchmarks/nodejs/package-lock.json @@ -0,0 +1,169 @@ +{ + "name": "aedis", + "lockfileVersion": 2, + "requires": true, + "packages": { + "": { + "dependencies": { + "redis": "^4.1.0" + } + }, + "node_modules/@redis/bloom": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/@redis/bloom/-/bloom-1.0.2.tgz", + "integrity": "sha512-EBw7Ag1hPgFzdznK2PBblc1kdlj5B5Cw3XwI9/oG7tSn85/HKy3X9xHy/8tm/eNXJYHLXHJL/pkwBpFMVVefkw==", + "peerDependencies": { + "@redis/client": "^1.0.0" + } + }, + "node_modules/@redis/client": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/@redis/client/-/client-1.1.0.tgz", + "integrity": "sha512-xO9JDIgzsZYDl3EvFhl6LC52DP3q3GCMUer8zHgKV6qSYsq1zB+pZs9+T80VgcRogrlRYhi4ZlfX6A+bHiBAgA==", + "dependencies": { + "cluster-key-slot": "1.1.0", + "generic-pool": "3.8.2", + "yallist": "4.0.0" + }, + "engines": { + "node": ">=14" + } + }, + "node_modules/@redis/graph": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/@redis/graph/-/graph-1.0.1.tgz", + "integrity": "sha512-oDE4myMCJOCVKYMygEMWuriBgqlS5FqdWerikMoJxzmmTUErnTRRgmIDa2VcgytACZMFqpAOWDzops4DOlnkfQ==", + "peerDependencies": { + "@redis/client": "^1.0.0" + } + }, + "node_modules/@redis/json": { + "version": "1.0.3", + "resolved": "https://registry.npmjs.org/@redis/json/-/json-1.0.3.tgz", + "integrity": "sha512-4X0Qv0BzD9Zlb0edkUoau5c1bInWSICqXAGrpwEltkncUwcxJIGEcVryZhLgb0p/3PkKaLIWkjhHRtLe9yiA7Q==", + "peerDependencies": { + "@redis/client": "^1.0.0" + } + }, + "node_modules/@redis/search": { + "version": "1.0.6", + "resolved": "https://registry.npmjs.org/@redis/search/-/search-1.0.6.tgz", + "integrity": "sha512-pP+ZQRis5P21SD6fjyCeLcQdps+LuTzp2wdUbzxEmNhleighDDTD5ck8+cYof+WLec4csZX7ks+BuoMw0RaZrA==", + "peerDependencies": { + "@redis/client": "^1.0.0" + } + }, + "node_modules/@redis/time-series": { + "version": "1.0.3", + "resolved": "https://registry.npmjs.org/@redis/time-series/-/time-series-1.0.3.tgz", + "integrity": "sha512-OFp0q4SGrTH0Mruf6oFsHGea58u8vS/iI5+NpYdicaM+7BgqBZH8FFvNZ8rYYLrUO/QRqMq72NpXmxLVNcdmjA==", + "peerDependencies": { + "@redis/client": "^1.0.0" + } + }, + "node_modules/cluster-key-slot": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/cluster-key-slot/-/cluster-key-slot-1.1.0.tgz", + "integrity": "sha512-2Nii8p3RwAPiFwsnZvukotvow2rIHM+yQ6ZcBXGHdniadkYGZYiGmkHJIbZPIV9nfv7m/U1IPMVVcAhoWFeklw==", + "engines": { + "node": ">=0.10.0" + } + }, + "node_modules/generic-pool": { + "version": "3.8.2", + "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-3.8.2.tgz", + "integrity": "sha512-nGToKy6p3PAbYQ7p1UlWl6vSPwfwU6TMSWK7TTu+WUY4ZjyZQGniGGt2oNVvyNSpyZYSB43zMXVLcBm08MTMkg==", + "engines": { + "node": ">= 4" + } + }, + "node_modules/redis": { + "version": "4.1.0", + "resolved": "https://registry.npmjs.org/redis/-/redis-4.1.0.tgz", + "integrity": "sha512-5hvJ8wbzpCCiuN1ges6tx2SAh2XXCY0ayresBmu40/SGusWHFW86TAlIPpbimMX2DFHOX7RN34G2XlPA1Z43zg==", + "dependencies": { + "@redis/bloom": "1.0.2", + "@redis/client": "1.1.0", + "@redis/graph": "1.0.1", + "@redis/json": "1.0.3", + "@redis/search": "1.0.6", + "@redis/time-series": "1.0.3" + } + }, + "node_modules/yallist": { + "version": "4.0.0", + "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz", + "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==" + } + }, + "dependencies": { + "@redis/bloom": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/@redis/bloom/-/bloom-1.0.2.tgz", + "integrity": "sha512-EBw7Ag1hPgFzdznK2PBblc1kdlj5B5Cw3XwI9/oG7tSn85/HKy3X9xHy/8tm/eNXJYHLXHJL/pkwBpFMVVefkw==", + "requires": {} + }, + "@redis/client": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/@redis/client/-/client-1.1.0.tgz", + "integrity": "sha512-xO9JDIgzsZYDl3EvFhl6LC52DP3q3GCMUer8zHgKV6qSYsq1zB+pZs9+T80VgcRogrlRYhi4ZlfX6A+bHiBAgA==", + "requires": { + "cluster-key-slot": "1.1.0", + "generic-pool": "3.8.2", + "yallist": "4.0.0" + } + }, + "@redis/graph": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/@redis/graph/-/graph-1.0.1.tgz", + "integrity": "sha512-oDE4myMCJOCVKYMygEMWuriBgqlS5FqdWerikMoJxzmmTUErnTRRgmIDa2VcgytACZMFqpAOWDzops4DOlnkfQ==", + "requires": {} + }, + "@redis/json": { + "version": "1.0.3", + "resolved": "https://registry.npmjs.org/@redis/json/-/json-1.0.3.tgz", + "integrity": "sha512-4X0Qv0BzD9Zlb0edkUoau5c1bInWSICqXAGrpwEltkncUwcxJIGEcVryZhLgb0p/3PkKaLIWkjhHRtLe9yiA7Q==", + "requires": {} + }, + "@redis/search": { + "version": "1.0.6", + "resolved": "https://registry.npmjs.org/@redis/search/-/search-1.0.6.tgz", + "integrity": "sha512-pP+ZQRis5P21SD6fjyCeLcQdps+LuTzp2wdUbzxEmNhleighDDTD5ck8+cYof+WLec4csZX7ks+BuoMw0RaZrA==", + "requires": {} + }, + "@redis/time-series": { + "version": "1.0.3", + "resolved": "https://registry.npmjs.org/@redis/time-series/-/time-series-1.0.3.tgz", + "integrity": "sha512-OFp0q4SGrTH0Mruf6oFsHGea58u8vS/iI5+NpYdicaM+7BgqBZH8FFvNZ8rYYLrUO/QRqMq72NpXmxLVNcdmjA==", + "requires": {} + }, + "cluster-key-slot": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/cluster-key-slot/-/cluster-key-slot-1.1.0.tgz", + "integrity": "sha512-2Nii8p3RwAPiFwsnZvukotvow2rIHM+yQ6ZcBXGHdniadkYGZYiGmkHJIbZPIV9nfv7m/U1IPMVVcAhoWFeklw==" + }, + "generic-pool": { + "version": "3.8.2", + "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-3.8.2.tgz", + "integrity": "sha512-nGToKy6p3PAbYQ7p1UlWl6vSPwfwU6TMSWK7TTu+WUY4ZjyZQGniGGt2oNVvyNSpyZYSB43zMXVLcBm08MTMkg==" + }, + "redis": { + "version": "4.1.0", + "resolved": "https://registry.npmjs.org/redis/-/redis-4.1.0.tgz", + "integrity": "sha512-5hvJ8wbzpCCiuN1ges6tx2SAh2XXCY0ayresBmu40/SGusWHFW86TAlIPpbimMX2DFHOX7RN34G2XlPA1Z43zg==", + "requires": { + "@redis/bloom": "1.0.2", + "@redis/client": "1.1.0", + "@redis/graph": "1.0.1", + "@redis/json": "1.0.3", + "@redis/search": "1.0.6", + "@redis/time-series": "1.0.3" + } + }, + "yallist": { + "version": "4.0.0", + "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz", + "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==" + } + } +} diff --git a/benchmarks/nodejs/package.json b/benchmarks/nodejs/package.json new file mode 100644 index 00000000..f6ae8e67 --- /dev/null +++ b/benchmarks/nodejs/package.json @@ -0,0 +1,4 @@ +{ + "type": "module", + "dependencies": { "redis": "^4.1.0" } +} diff --git a/benchmarks/rust/echo_server_direct/Cargo.lock b/benchmarks/rust/echo_server_direct/Cargo.lock new file mode 100644 index 00000000..7a6ad5f7 --- /dev/null +++ b/benchmarks/rust/echo_server_direct/Cargo.lock @@ -0,0 +1,336 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 3 + +[[package]] +name = "bitflags" +version = "1.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a" + +[[package]] +name = "bytes" +version = "0.5.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38" + +[[package]] +name = "cfg-if" +version = "0.1.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822" + +[[package]] +name = "cfg-if" +version = "1.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" + +[[package]] +name = "echo_server_direct" +version = "0.1.0" +dependencies = [ + "tokio", +] + +[[package]] +name = "fnv" +version = "1.0.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1" + +[[package]] +name = "fuchsia-zircon" +version = "0.3.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82" +dependencies = [ + "bitflags", + "fuchsia-zircon-sys", +] + +[[package]] +name = "fuchsia-zircon-sys" +version = "0.3.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7" + +[[package]] +name = "futures-core" +version = "0.3.21" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0c09fd04b7e4073ac7156a9539b57a484a8ea920f79c7c675d05d289ab6110d3" + +[[package]] +name = "hermit-abi" +version = "0.1.19" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33" +dependencies = [ + "libc", +] + +[[package]] +name = "iovec" +version = "0.1.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e" +dependencies = [ + "libc", +] + +[[package]] +name = "kernel32-sys" +version = "0.2.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d" +dependencies = [ + "winapi 0.2.8", + "winapi-build", +] + +[[package]] +name = "lazy_static" +version = "1.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646" + +[[package]] +name = "libc" +version = "0.2.126" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836" + +[[package]] +name = "log" +version = "0.4.17" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e" +dependencies = [ + "cfg-if 1.0.0", +] + +[[package]] +name = "memchr" +version = "2.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d" + +[[package]] +name = "mio" +version = "0.6.23" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4afd66f5b91bf2a3bc13fad0e21caedac168ca4c707504e75585648ae80e4cc4" +dependencies = [ + "cfg-if 0.1.10", + "fuchsia-zircon", + "fuchsia-zircon-sys", + "iovec", + "kernel32-sys", + "libc", + "log", + "miow 0.2.2", + "net2", + "slab", + "winapi 0.2.8", +] + +[[package]] +name = "mio-named-pipes" +version = "0.1.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0840c1c50fd55e521b247f949c241c9997709f23bd7f023b9762cd561e935656" +dependencies = [ + "log", + "mio", + "miow 0.3.7", + "winapi 0.3.9", +] + +[[package]] +name = "mio-uds" +version = "0.6.8" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "afcb699eb26d4332647cc848492bbc15eafb26f08d0304550d5aa1f612e066f0" +dependencies = [ + "iovec", + "libc", + "mio", +] + +[[package]] +name = "miow" +version = "0.2.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ebd808424166322d4a38da87083bfddd3ac4c131334ed55856112eb06d46944d" +dependencies = [ + "kernel32-sys", + "net2", + "winapi 0.2.8", + "ws2_32-sys", +] + +[[package]] +name = "miow" +version = "0.3.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21" +dependencies = [ + "winapi 0.3.9", +] + +[[package]] +name = "net2" +version = "0.2.37" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "391630d12b68002ae1e25e8f974306474966550ad82dac6886fb8910c19568ae" +dependencies = [ + "cfg-if 0.1.10", + "libc", + "winapi 0.3.9", +] + +[[package]] +name = "num_cpus" +version = "1.13.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "19e64526ebdee182341572e50e9ad03965aa510cd94427a4549448f285e957a1" +dependencies = [ + "hermit-abi", + "libc", +] + +[[package]] +name = "pin-project-lite" +version = "0.1.12" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "257b64915a082f7811703966789728173279bdebb956b143dbcd23f6f970a777" + +[[package]] +name = "proc-macro2" +version = "1.0.39" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c54b25569025b7fc9651de43004ae593a75ad88543b17178aa5e1b9c4f15f56f" +dependencies = [ + "unicode-ident", +] + +[[package]] +name = "quote" +version = "1.0.19" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f53dc8cf16a769a6f677e09e7ff2cd4be1ea0f48754aac39520536962011de0d" +dependencies = [ + "proc-macro2", +] + +[[package]] +name = "signal-hook-registry" +version = "1.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e51e73328dc4ac0c7ccbda3a494dfa03df1de2f46018127f60c693f2648455b0" +dependencies = [ + "libc", +] + +[[package]] +name = "slab" +version = "0.4.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "eb703cfe953bccee95685111adeedb76fabe4e97549a58d16f03ea7b9367bb32" + +[[package]] +name = "syn" +version = "1.0.98" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c50aef8a904de4c23c788f104b7dddc7d6f79c647c7c8ce4cc8f73eb0ca773dd" +dependencies = [ + "proc-macro2", + "quote", + "unicode-ident", +] + +[[package]] +name = "tokio" +version = "0.2.25" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6703a273949a90131b290be1fe7b039d0fc884aa1935860dfcbe056f28cd8092" +dependencies = [ + "bytes", + "fnv", + "futures-core", + "iovec", + "lazy_static", + "libc", + "memchr", + "mio", + "mio-named-pipes", + "mio-uds", + "num_cpus", + "pin-project-lite", + "signal-hook-registry", + "slab", + "tokio-macros", + "winapi 0.3.9", +] + +[[package]] +name = "tokio-macros" +version = "0.2.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e44da00bfc73a25f814cd8d7e57a68a5c31b74b3152a0a1d1f590c97ed06265a" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "unicode-ident" +version = "1.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5bd2fe26506023ed7b5e1e315add59d6f584c621d037f9368fea9cfb988f368c" + +[[package]] +name = "winapi" +version = "0.2.8" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a" + +[[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-build" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc" + +[[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]] +name = "ws2_32-sys" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e" +dependencies = [ + "winapi 0.2.8", + "winapi-build", +] diff --git a/benchmarks/rust/echo_server_direct/Cargo.toml b/benchmarks/rust/echo_server_direct/Cargo.toml new file mode 100644 index 00000000..3bb39445 --- /dev/null +++ b/benchmarks/rust/echo_server_direct/Cargo.toml @@ -0,0 +1,9 @@ +[package] +name = "echo_server_direct" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +tokio = { version = "0.2", features = ["full"] } diff --git a/benchmarks/rust/echo_server_direct/src/main.rs b/benchmarks/rust/echo_server_direct/src/main.rs new file mode 100644 index 00000000..1f657837 --- /dev/null +++ b/benchmarks/rust/echo_server_direct/src/main.rs @@ -0,0 +1,34 @@ +use tokio::net::TcpListener; +use tokio::prelude::*; + +#[tokio::main] +async fn main() -> Result<(), Box> { + let mut listener = TcpListener::bind("127.0.0.1:55555").await?; + + loop { + let (mut socket, _) = listener.accept().await?; + + tokio::spawn(async move { + let mut buf = [0; 1024]; + + // In a loop, read data from the socket and write the data back. + loop { + let n = match socket.read(&mut buf).await { + // socket closed + Ok(n) if n == 0 => return, + Ok(n) => n, + Err(e) => { + eprintln!("failed to read from socket; err = {:?}", e); + return; + } + }; + + // Write the data back + if let Err(e) = socket.write_all(&buf[0..n]).await { + eprintln!("failed to write to socket; err = {:?}", e); + return; + } + } + }); + } +}