Refactor and restructure the WebTransport code.

Who knows if it actually works.
This commit is contained in:
Luke Curley 2023-04-14 13:32:02 -07:00
parent 3f5bc39ffc
commit 5204dbc19c
8 changed files with 972 additions and 7 deletions

View File

@ -11,7 +11,7 @@ for (let c = 0; c < fingerprintHex.length-1; c += 2) {
const params = new URLSearchParams(window.location.search) const params = new URLSearchParams(window.location.search)
const url = params.get("url") || "https://localhost:4443/watch" const url = params.get("url") || "https://127.0.0.1:4443/watch"
const canvas = document.querySelector<HTMLCanvasElement>("canvas#video")! const canvas = document.querySelector<HTMLCanvasElement>("canvas#video")!
const player = new Player({ const player = new Player({

452
server/Cargo.lock generated
View File

@ -2,12 +2,87 @@
# It is not intended for manual editing. # It is not intended for manual editing.
version = 3 version = 3
[[package]]
name = "aho-corasick"
version = "0.7.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
dependencies = [
"memchr",
]
[[package]]
name = "anstream"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9e579a7752471abc2a8268df8b20005e3eadd975f585398f17efcfd8d4927371"
dependencies = [
"anstyle",
"anstyle-parse",
"anstyle-query",
"anstyle-wincon",
"colorchoice",
"is-terminal",
"utf8parse",
]
[[package]]
name = "anstyle"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "41ed9a86bf92ae6580e0a31281f65a1b1d867c0cc68d5346e2ae128dddfa6a7d"
[[package]]
name = "anstyle-parse"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e765fd216e48e067936442276d1d57399e37bce53c264d6fefbe298080cb57ee"
dependencies = [
"utf8parse",
]
[[package]]
name = "anstyle-query"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
dependencies = [
"windows-sys 0.48.0",
]
[[package]]
name = "anstyle-wincon"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4bcd8291a340dd8ac70e18878bc4501dd7b4ff970cfa21c207d36ece51ea88fd"
dependencies = [
"anstyle",
"windows-sys 0.48.0",
]
[[package]]
name = "atty"
version = "0.2.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
dependencies = [
"hermit-abi 0.1.19",
"libc",
"winapi",
]
[[package]] [[package]]
name = "autocfg" name = "autocfg"
version = "1.1.0" version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa" checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
[[package]]
name = "bitflags"
version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
[[package]] [[package]]
name = "bumpalo" name = "bumpalo"
version = "3.12.0" version = "3.12.0"
@ -26,6 +101,48 @@ version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "clap"
version = "4.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b802d85aaf3a1cdb02b224ba472ebdea62014fccfcb269b95a4d76443b5ee5a"
dependencies = [
"clap_builder",
"clap_derive",
"once_cell",
]
[[package]]
name = "clap_builder"
version = "4.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "14a1a858f532119338887a4b8e1af9c60de8249cd7bafd68036a489e261e37b6"
dependencies = [
"anstream",
"anstyle",
"bitflags",
"clap_lex",
"strsim",
]
[[package]]
name = "clap_derive"
version = "4.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3f9644cd56d6b87dbe899ef8b053e331c0637664e9e21a33dfcdc36093f5c5c4"
dependencies = [
"heck",
"proc-macro2",
"quote",
"syn 2.0.15",
]
[[package]]
name = "clap_lex"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8a2dd5a6fe8c6e3502f568a6353e5273bbb15193ad9a89e457b9970798efbea1"
[[package]] [[package]]
name = "cmake" name = "cmake"
version = "0.1.50" version = "0.1.50"
@ -35,6 +152,96 @@ dependencies = [
"cc", "cc",
] ]
[[package]]
name = "colorchoice"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
[[package]]
name = "env_logger"
version = "0.9.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a12e6657c4c97ebab115a42dcee77225f7f482cdd841cf7088c657a42e9e00e7"
dependencies = [
"atty",
"humantime",
"log",
"regex",
"termcolor",
]
[[package]]
name = "errno"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a"
dependencies = [
"errno-dragonfly",
"libc",
"windows-sys 0.48.0",
]
[[package]]
name = "errno-dragonfly"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
dependencies = [
"cc",
"libc",
]
[[package]]
name = "heck"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
[[package]]
name = "hermit-abi"
version = "0.1.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
dependencies = [
"libc",
]
[[package]]
name = "hermit-abi"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
[[package]]
name = "humantime"
version = "2.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
[[package]]
name = "io-lifetimes"
version = "1.0.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c66c74d2ae7e79a5a8f7ac924adbe38ee42a859c6539ad869eb51f0b52dc220"
dependencies = [
"hermit-abi 0.3.1",
"libc",
"windows-sys 0.48.0",
]
[[package]]
name = "is-terminal"
version = "0.4.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "adcf93614601c8129ddf72e2d5633df827ba6551541c6d8c59520a371475be1f"
dependencies = [
"hermit-abi 0.3.1",
"io-lifetimes",
"rustix",
"windows-sys 0.48.0",
]
[[package]] [[package]]
name = "js-sys" name = "js-sys"
version = "0.3.61" version = "0.3.61"
@ -62,6 +269,12 @@ version = "0.2.6"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "348108ab3fba42ec82ff6e9564fc4ca0247bdccdc68dd8af9764bbc79c3c8ffb" checksum = "348108ab3fba42ec82ff6e9564fc4ca0247bdccdc68dd8af9764bbc79c3c8ffb"
[[package]]
name = "linux-raw-sys"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d59d8c75012853d2e872fb56bc8a2e53718e2cafe1a4c823143141c6d90c322f"
[[package]] [[package]]
name = "log" name = "log"
version = "0.4.17" version = "0.4.17"
@ -71,6 +284,24 @@ dependencies = [
"cfg-if", "cfg-if",
] ]
[[package]]
name = "memchr"
version = "2.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
[[package]]
name = "mio"
version = "0.8.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5b9d9a46eff5b4ff64b45a9e316a6d1e0bc719ef429cbec4dc630684212bfdf9"
dependencies = [
"libc",
"log",
"wasi",
"windows-sys 0.45.0",
]
[[package]] [[package]]
name = "octets" name = "octets"
version = "0.2.0" version = "0.2.0"
@ -117,6 +348,23 @@ dependencies = [
"proc-macro2", "proc-macro2",
] ]
[[package]]
name = "regex"
version = "1.7.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8b1f693b24f6ac912f4893ef08244d70b6067480d2f1a46e950c9691e6749d1d"
dependencies = [
"aho-corasick",
"memchr",
"regex-syntax",
]
[[package]]
name = "regex-syntax"
version = "0.6.29"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
[[package]] [[package]]
name = "ring" name = "ring"
version = "0.16.20" version = "0.16.20"
@ -132,6 +380,20 @@ dependencies = [
"winapi", "winapi",
] ]
[[package]]
name = "rustix"
version = "0.37.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "85597d61f83914ddeba6a47b3b8ffe7365107221c2e557ed94426489fefb5f77"
dependencies = [
"bitflags",
"errno",
"io-lifetimes",
"libc",
"linux-raw-sys",
"windows-sys 0.48.0",
]
[[package]] [[package]]
name = "serde" name = "serde"
version = "1.0.160" version = "1.0.160"
@ -162,6 +424,12 @@ version = "0.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d" checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
[[package]]
name = "strsim"
version = "0.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
[[package]] [[package]]
name = "syn" name = "syn"
version = "1.0.109" version = "1.0.109"
@ -173,6 +441,26 @@ dependencies = [
"unicode-ident", "unicode-ident",
] ]
[[package]]
name = "syn"
version = "2.0.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
dependencies = [
"proc-macro2",
"quote",
"unicode-ident",
]
[[package]]
name = "termcolor"
version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "be55cf8942feac5c765c2c993422806843c9a9a45d4d5c407ad6dd2ea95eb9b6"
dependencies = [
"winapi-util",
]
[[package]] [[package]]
name = "unicode-ident" name = "unicode-ident"
version = "1.0.8" version = "1.0.8"
@ -186,12 +474,29 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a" checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
[[package]] [[package]]
name = "warp-server" name = "utf8parse"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
[[package]]
name = "warp"
version = "0.1.0" version = "0.1.0"
dependencies = [ dependencies = [
"clap",
"env_logger",
"log",
"mio",
"quiche", "quiche",
"ring",
] ]
[[package]]
name = "wasi"
version = "0.11.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
[[package]] [[package]]
name = "wasm-bindgen" name = "wasm-bindgen"
version = "0.2.84" version = "0.2.84"
@ -213,7 +518,7 @@ dependencies = [
"once_cell", "once_cell",
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 1.0.109",
"wasm-bindgen-shared", "wasm-bindgen-shared",
] ]
@ -235,7 +540,7 @@ checksum = "2aff81306fcac3c7515ad4e177f521b5c9a15f2b08f4e32d823066102f35a5f6"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 1.0.109",
"wasm-bindgen-backend", "wasm-bindgen-backend",
"wasm-bindgen-shared", "wasm-bindgen-shared",
] ]
@ -272,8 +577,149 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-util"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
dependencies = [
"winapi",
]
[[package]] [[package]]
name = "winapi-x86_64-pc-windows-gnu" name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0" version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "windows-sys"
version = "0.45.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
dependencies = [
"windows-targets 0.42.2",
]
[[package]]
name = "windows-sys"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
dependencies = [
"windows-targets 0.48.0",
]
[[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 = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7b1eb6f0cd7c80c79759c929114ef071b87354ce476d9d94271031c0497adfd5"
dependencies = [
"windows_aarch64_gnullvm 0.48.0",
"windows_aarch64_msvc 0.48.0",
"windows_i686_gnu 0.48.0",
"windows_i686_msvc 0.48.0",
"windows_x86_64_gnu 0.48.0",
"windows_x86_64_gnullvm 0.48.0",
"windows_x86_64_msvc 0.48.0",
]
[[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 = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
[[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 = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
[[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 = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
[[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 = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
[[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 = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
[[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 = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
[[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 = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"

View File

@ -1,5 +1,5 @@
[package] [package]
name = "warp-server" name = "warp"
version = "0.1.0" version = "0.1.0"
edition = "2021" edition = "2021"
@ -7,3 +7,8 @@ edition = "2021"
[dependencies] [dependencies]
quiche = { git = "https://github.com/n8o/quiche.git", branch = "master" } # WebTransport fork quiche = { git = "https://github.com/n8o/quiche.git", branch = "master" } # WebTransport fork
clap = { version = "4.0", features = [ "derive" ] }
log = { version = "0.4", features = ["std"] }
mio = { version = "0.8", features = ["net", "os-poll"] }
env_logger = "0.9.3"
ring = "0.16"

44
server/src/error.rs Normal file
View File

@ -0,0 +1,44 @@
use std::io;
use quiche::h3::webtransport;
#[derive(Debug)]
pub enum Error {
Io(io::Error),
Quiche(quiche::Error),
WebTransport(webtransport::Error),
Server(Server),
}
impl From<io::Error> for Error {
fn from(err: io::Error) -> Error {
Error::Io(err)
}
}
impl From<quiche::Error> for Error {
fn from(err: quiche::Error) -> Error {
Error::Quiche(err)
}
}
impl From<webtransport::Error> for Error {
fn from(err: webtransport::Error) -> Error {
Error::WebTransport(err)
}
}
// Custom server error messages.
#[derive(Debug)]
pub enum Server {
InvalidToken,
InvalidConnectionID,
UnknownConnectionID,
}
impl From<Server> for Error {
fn from(err: Server) -> Error {
Error::Server(err)
}
}
pub type Result<T> = std::result::Result<T, Error>;

3
server/src/lib.rs Normal file
View File

@ -0,0 +1,3 @@
pub mod error;
pub mod server;
pub mod session;

View File

@ -1,3 +1,34 @@
fn main() { use warp::server::Server;
println!("Hello, world!");
use clap::Parser;
/// Search for a pattern in a file and display the lines that contain it.
#[derive(Parser)]
struct Cli {
/// Listen on this address
#[arg(short, long, default_value = "127.0.0.1:4443")]
addr: String,
/// Use the certificate file at this path
#[arg(short, long, default_value = "../cert/localhost.crt")]
cert: String,
/// Use the private key at this path
#[arg(short, long, default_value = "../cert/localhost.key")]
key: String,
}
fn main() {
let args = Cli::parse();
let server_config = warp::server::Config{
addr: args.addr,
cert: args.cert,
key: args.key,
};
let mut server = Server::new(server_config).unwrap();
loop {
server.poll().unwrap()
}
} }

332
server/src/server.rs Normal file
View File

@ -0,0 +1,332 @@
use crate::session;
use crate::error;
use session::Session;
use error::{Error, Result};
use std::{io, net};
use log;
use quiche::h3::webtransport;
const MAX_DATAGRAM_SIZE: usize = 1350;
pub struct Server {
// IO stuff
socket: mio::net::UdpSocket,
poll: mio::Poll,
events: mio::Events,
// QUIC stuff
quic: quiche::Config,
sessions: session::Map,
seed: ring::hmac::Key, // connection ID seed
}
pub struct Config {
pub addr: String,
pub cert: String,
pub key: String,
}
impl Server {
pub fn new(config: Config) -> io::Result<Server> {
// Listen on the provided socket address
let addr = config.addr.parse().unwrap();
let mut socket = mio::net::UdpSocket::bind(addr).unwrap();
// Setup the event loop.
let poll = mio::Poll::new().unwrap();
let events = mio::Events::with_capacity(1024);
let sessions = session::Map::new();
poll.registry().register(
&mut socket,
mio::Token(0),
mio::Interest::READABLE,
).unwrap();
// Generate random values for connection IDs.
let rng = ring::rand::SystemRandom::new();
let seed = ring::hmac::Key::generate(ring::hmac::HMAC_SHA256, &rng).unwrap();
// Create the configuration for the QUIC connections.
let mut quic = quiche::Config::new(quiche::PROTOCOL_VERSION).unwrap();
quic.load_cert_chain_from_pem_file(&config.cert).unwrap();
quic.load_priv_key_from_pem_file(&config.key).unwrap();
quic.set_application_protos(quiche::h3::APPLICATION_PROTOCOL).unwrap();
quic.set_max_idle_timeout(5000);
quic.set_max_recv_udp_payload_size(MAX_DATAGRAM_SIZE);
quic.set_max_send_udp_payload_size(MAX_DATAGRAM_SIZE);
quic.set_initial_max_data(10_000_000);
quic.set_initial_max_stream_data_bidi_local(1_000_000);
quic.set_initial_max_stream_data_bidi_remote(1_000_000);
quic.set_initial_max_stream_data_uni(1_000_000);
quic.set_initial_max_streams_bidi(100);
quic.set_initial_max_streams_uni(100);
quic.set_disable_active_migration(true);
quic.enable_early_data();
quic.enable_dgram(true, 65536, 65536);
Ok(Server {
socket,
poll,
events,
quic,
sessions,
seed
})
}
pub fn poll(&mut self) -> io::Result<()> {
self.receive().unwrap();
self.send().unwrap();
self.cleanup().unwrap();
Ok(())
}
fn receive(&mut self) -> io::Result<()> {
// Find the shorter timeout from all the active connections.
//
// TODO: use event loop that properly supports timers
let timeout = self.sessions.values().filter_map(|c| c.conn.timeout()).min();
self.poll.poll(&mut self.events, timeout).unwrap();
// If the event loop reported no events, it means that the timeout
// has expired, so handle it without attempting to read packets. We
// will then proceed with the send loop.
if self.events.is_empty() {
self.sessions.values_mut().for_each(|session| {
session.conn.on_timeout()
});
return Ok(())
}
// Read incoming UDP packets from the socket and feed them to quiche,
// until there are no more packets to read.
loop {
match self.receive_once() {
Err(Error::Io(e)) if e.kind() == io::ErrorKind::WouldBlock => return Ok(()),
Err(e) => log::error!("{:?}", e),
Ok(_) => (),
}
}
}
fn receive_once(&mut self) -> Result<()> {
let mut src= [0; MAX_DATAGRAM_SIZE];
let (len, from) = self.socket.recv_from(&mut src).unwrap();
let src = &mut src[..len];
let info = quiche::RecvInfo {
to: self.socket.local_addr().unwrap(),
from,
};
// Lookup a connection based on the packet's connection ID. If there
// is no connection matching, create a new one.
let pair = match self.accept(src, from).unwrap() {
Some(v) => v,
None => return Ok(()),
};
let conn = &mut pair.conn;
// Process potentially coalesced packets.
conn.recv(src, info).unwrap();
// Create a new HTTP/3 connection as soon as the QUIC connection
// is established.
if (conn.is_in_early_data() || conn.is_established()) && pair.session.is_none() {
let session = webtransport::ServerSession::with_transport(conn).unwrap();
pair.session = Some(session);
}
// The `poll` can pull out the events that occurred according to the data passed here.
for (_, session) in self.sessions.iter_mut() {
session.poll().unwrap();
}
Ok(())
}
fn accept(&mut self, src: &mut [u8], from: net::SocketAddr) -> error::Result<Option<&mut Session>> {
// Parse the QUIC packet's header.
let hdr = quiche::Header::from_slice(src, quiche::MAX_CONN_ID_LEN).unwrap();
let conn_id = ring::hmac::sign(&self.seed, &hdr.dcid);
let conn_id = &conn_id.as_ref()[..quiche::MAX_CONN_ID_LEN];
let conn_id = conn_id.to_vec().into();
if self.sessions.contains_key(&hdr.dcid) {
let pair = self.sessions.get_mut(&hdr.dcid).unwrap();
return Ok(Some(pair))
} else if self.sessions.contains_key(&conn_id) {
let pair = self.sessions.get_mut(&conn_id).unwrap();
return Ok(Some(pair));
}
if hdr.ty != quiche::Type::Initial {
return Err(error::Server::UnknownConnectionID.into())
}
let mut dst = [0; MAX_DATAGRAM_SIZE];
if !quiche::version_is_supported(hdr.version) {
let len = quiche::negotiate_version(&hdr.scid, &hdr.dcid, &mut dst).unwrap();
let dst= &dst[..len];
self.socket.send_to(dst, from).unwrap();
return Ok(None)
}
let mut scid = [0; quiche::MAX_CONN_ID_LEN];
scid.copy_from_slice(&conn_id);
let scid = quiche::ConnectionId::from_ref(&scid);
// Token is always present in Initial packets.
let token = hdr.token.as_ref().unwrap();
// Do stateless retry if the client didn't send a token.
if token.is_empty() {
let new_token = mint_token(&hdr, &from);
let len = quiche::retry(
&hdr.scid,
&hdr.dcid,
&scid,
&new_token,
hdr.version,
&mut dst,
)
.unwrap();
let dst= &dst[..len];
self.socket.send_to(dst, from).unwrap();
return Ok(None)
}
let odcid = validate_token(&from, token);
// The token was not valid, meaning the retry failed, so
// drop the packet.
if odcid.is_none() {
return Err(error::Server::InvalidToken.into())
}
if scid.len() != hdr.dcid.len() {
return Err(error::Server::InvalidConnectionID.into())
}
// Reuse the source connection ID we sent in the Retry packet,
// instead of changing it again.
let conn_id= hdr.dcid.clone();
let local_addr = self.socket.local_addr().unwrap();
let conn =
quiche::accept(&conn_id, odcid.as_ref(), local_addr, from, &mut self.quic)
.unwrap();
self.sessions.insert(
conn_id.clone(),
Session {
conn,
session: None,
},
);
let pair = self.sessions.get_mut(&conn_id).unwrap();
Ok(Some(pair))
}
fn send(&mut self) -> io::Result<()> {
let mut pkt = [0; MAX_DATAGRAM_SIZE];
// Generate outgoing QUIC packets for all active connections and send
// them on the UDP socket, until quiche reports that there are no more
// packets to be sent.
for session in self.sessions.values_mut() {
loop {
let (size , info) = session.conn.send(&mut pkt).unwrap();
let pkt = &pkt[..size];
match self.socket.send_to(&pkt, info.to) {
Err(err) if err.kind() == io::ErrorKind::WouldBlock => break,
Err(err) => return Err(err),
Ok(_) => (),
}
}
}
Ok(())
}
fn cleanup(&mut self) -> io::Result<()> {
// Garbage collect closed connections.
self.sessions.retain(|_, session| !session.conn.is_closed() );
Ok(())
}
}
/// Generate a stateless retry token.
///
/// The token includes the static string `"quiche"` followed by the IP address
/// of the client and by the original destination connection ID generated by the
/// client.
///
/// Note that this function is only an example and doesn't do any cryptographic
/// authenticate of the token. *It should not be used in production system*.
fn mint_token(hdr: &quiche::Header, src: &std::net::SocketAddr) -> Vec<u8> {
let mut token = Vec::new();
token.extend_from_slice(b"quiche");
let addr = match src.ip() {
std::net::IpAddr::V4(a) => a.octets().to_vec(),
std::net::IpAddr::V6(a) => a.octets().to_vec(),
};
token.extend_from_slice(&addr);
token.extend_from_slice(&hdr.dcid);
token
}
/// Validates a stateless retry token.
///
/// This checks that the ticket includes the `"quiche"` static string, and that
/// the client IP address matches the address stored in the ticket.
///
/// Note that this function is only an example and doesn't do any cryptographic
/// authenticate of the token. *It should not be used in production system*.
fn validate_token<'a>(
src: &std::net::SocketAddr, token: &'a [u8],
) -> Option<quiche::ConnectionId<'a>> {
if token.len() < 6 {
return None;
}
if &token[..6] != b"quiche" {
return None;
}
let token = &token[6..];
let addr = match src.ip() {
std::net::IpAddr::V4(a) => a.octets().to_vec(),
std::net::IpAddr::V6(a) => a.octets().to_vec(),
};
if token.len() < addr.len() || &token[..addr.len()] != addr.as_slice() {
return None;
}
Some(quiche::ConnectionId::from_ref(&token[addr.len()..]))
}

104
server/src/session.rs Normal file
View File

@ -0,0 +1,104 @@
use crate::error;
use error::Result;
use std::collections::HashMap;
use quiche::h3::webtransport;
pub struct Session {
pub conn: quiche::Connection,
pub session: Option<webtransport::ServerSession>,
}
pub type Map = HashMap<quiche::ConnectionId<'static>, Session>;
impl Session {
// Process any updates to a session.
pub fn poll(&mut self) -> Result<()> {
let session = match &mut self.session {
Some(s) => s,
None => return Ok(()),
};
loop {
let event = match session.poll(&mut self.conn) {
Err(webtransport::Error::Done) => return Ok(()),
Err(e) => return Err(e.into()),
Ok(e) => e,
};
match event {
webtransport::ServerEvent::ConnectRequest(_req) => {
// you can handle request with
// req.authority()
// req.path()
// and you can validate this request with req.origin()
session.accept_connect_request(&mut self.conn, None).unwrap();
},
webtransport::ServerEvent::StreamData(stream_id) => {
let mut buf = vec![0; 10000];
while let Ok(len) =
session.recv_stream_data(&mut self.conn, stream_id, &mut buf)
{
let stream_data = &buf[0..len];
// handle stream_data
if (stream_id & 0x2) == 0 {
// bidirectional stream
// you can send data through this stream.
session
.send_stream_data(&mut self.conn, stream_id, stream_data)
.unwrap();
} else {
// you cannot send data through client-initiated-unidirectional-stream.
// so, open new server-initiated-unidirectional-stream, and send data
// through it.
let new_stream_id =
session.open_stream(&mut self.conn, false).unwrap();
session
.send_stream_data(&mut self.conn, new_stream_id, stream_data)
.unwrap();
}
}
}
webtransport::ServerEvent::StreamFinished(_stream_id) => {
// A WebTrnasport stream finished, handle it.
}
webtransport::ServerEvent::Datagram => {
let mut buf = vec![0; 1500];
while let Ok((in_session, offset, total)) =
session.recv_dgram(&mut self.conn, &mut buf)
{
if in_session {
let dgram = &buf[offset..total];
dbg!(std::string::String::from_utf8_lossy(dgram));
// handle this dgram
// for instance, you can write echo-server like following
session.send_dgram(&mut self.conn, dgram).unwrap();
} else {
// this dgram is not related to current WebTransport session. ignore.
}
}
}
webtransport::ServerEvent::SessionReset(_e) => {
// Peer reset session stream, handle it.
}
webtransport::ServerEvent::SessionFinished => {
// Peer finish session stream, handle it.
}
webtransport::ServerEvent::SessionGoAway => {
// Peer signalled it is going away, handle it.
}
webtransport::ServerEvent::Other(_stream_id, _event) => {
// Original h3::Event which is not related to WebTransport.
}
}
}
}
}