cat / goq
clone

turns a linux box into a private steam streaming appliance: plug in, tap your key, play from another computer

Wire up real Iroh streaming + frame rendering in Tauri UI

dami etoile committed 933139c
- Host: Iroh endpoint + xcap screen capture + JPEG encode over BiStream
- Client: connect to host, receive frames, emit Tauri events to frontend
- Frontend: canvas-based frame viewer with live FPS stats
- Add xcap, image, base64 deps to Tauri backend
- Add core:event:default permission for event emission
- Add SETUP.md with laptop setup instructions
- Clean up unused imports
commit
933139c93e35300c66c07875f445a9211676e606
parent
9b6a0dfaee672152b647e3e35cdb33faa24dad56
author
dami etoile <dami.etoile@gmail.com>
6 files changed, +1593 -152
Adocs/SETUP.md63++
Msrc-tauri/Cargo.lock1184+++++++++++++++++++++++++++++-
Msrc-tauri/Cargo.toml5+-
Msrc-tauri/capabilities/default.json3+-
Msrc-tauri/src/commands.rs280++++++-
Msrc/ui/index.html210+++--
A docs/SETUP.md +63 -0
@@ -0,0 +1,63 @@
1+# Keyhome Setup2+3+## Prerequisites (Ubuntu/Debian)4+5+```bash6+# Tauri v2 system dependencies7+sudo apt install -y libwebkit2gtk-4.1-dev build-essential curl wget file \8+ libxdo-dev libssl-dev libayatana-appindicator3-dev librsvg2-dev9+10+# FIDO2 + screen capture dependencies11+sudo apt install -y libudev-dev libusb-1.0-0-dev pkg-config12+13+# xcap wayland support (even on X11, xcap pulls these in)14+sudo apt install -y libwayland-dev libpipewire-0.3-dev libgbm-dev15+16+# Rust toolchain17+curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh18+source "$HOME/.cargo/env"19+20+# Clone21+git clone https://github.com/FelineStateMachine/keyhome.git22+cd keyhome23+```24+25+## Run26+27+```bash28+# Development mode (opens the Tauri window)29+cargo tauri dev30+31+# Or build a debug binary32+cargo tauri build --debug33+```34+35+## Usage36+37+### As Host (Server)38+1. Click "Start host" — the app creates an Iroh endpoint and waits for connections39+2. Copy the address JSON (click "Copy address")40+3. Share the address with the client machine41+42+### As Client43+1. Paste the host's address JSON into the "Connect to Host" input44+2. Click "Connect" — the app connects over Iroh and streams screen frames45+3. The remote screen appears in the viewer canvas46+47+## Architecture48+49+- **Transport**: Iroh (peer-to-peer, relay-assisted)50+- **Screen capture**: xcap (X11/PipeWire)51+- **FIDO2**: ctap-hid-fido2 (CTAP 2.0/2.1 over HID)52+- **Frame encoding**: JPEG (MVP — upgrade to H.264 later)53+- **Protocol**: BiStream with frame headers `[width:u32][height:u32][jpeg_len:u32][jpeg_data]`54+55+## Spikes (evidence)56+57+| Spike | Status | What it proves |58+|-------|--------|----------------|59+| 001-iroh-native-ping | ✅ PASS | Iroh endpoints + ALPN routing work in native Rust |60+| 002-yubikey-hmac | ⚠️ PARTIAL | challenge_response crate works but only for YubiKey (not Titan) |61+| 003-fido2-hid | ✅ PASS | ctap-hid-fido2 communicates with Google Titan v2 |62+| 004-derive-iroh-identity | ✅ PASS | Titan hmac-secret → Iroh SecretKey → working endpoint (6.5ms RTT) |63+| 005-frame-stream | ✅ PASS | Screen capture → JPEG → Iroh stream → client receives frames |
M src-tauri/Cargo.lock +1158 -26
@@ -110,6 +110,22 @@ dependencies = [
110110 "libc",111111 ]112112 113+[[package]]114+name = "annotate-snippets"115+version = "0.11.5"116+source = "registry+https://github.com/rust-lang/crates.io-index"117+checksum = "710e8eae58854cdc1790fcb56cca04d712a17be849eeb81da2a724bf4bae2bc4"118+dependencies = [119+ "anstyle",120+ "unicode-width 0.2.2",121+]122+123+[[package]]124+name = "anstyle"125+version = "1.0.14"126+source = "registry+https://github.com/rust-lang/crates.io-index"127+checksum = "940b3a0ca603d1eade50a4846a2afffd5ef57a9feac2c0e2ec2e14f9ead76000"128+113129 [[package]]114130 name = "anyhow"115131 version = "1.0.102"
@@ -121,7 +137,9 @@ name = "app"
121137 version = "0.1.0"122138 dependencies = [123139 "anyhow",140+ "base64 0.22.1",124141 "ctap-hid-fido2",142+ "image",125143 "iroh",126144 "log",127145 "serde",
@@ -130,6 +148,7 @@ dependencies = [
130148 "tauri-build",131149 "tauri-plugin-log",132150 "tokio",151+ "xcap",133152 ]134153 135154 [[package]]
@@ -162,7 +181,7 @@ dependencies = [
162181 "asn1-rs-derive",163182 "asn1-rs-impl",164183 "displaydoc",165- "nom",184+ "nom 7.1.3",166185 "num-traits",167186 "rusticata-macros",168187 "thiserror 2.0.18",
@@ -192,6 +211,126 @@ dependencies = [
192211 "syn 2.0.118",193212 ]194213 214+[[package]]215+name = "async-broadcast"216+version = "0.7.2"217+source = "registry+https://github.com/rust-lang/crates.io-index"218+checksum = "435a87a52755b8f27fcf321ac4f04b2802e337c8c4872923137471ec39c37532"219+dependencies = [220+ "event-listener",221+ "event-listener-strategy",222+ "futures-core",223+ "pin-project-lite",224+]225+226+[[package]]227+name = "async-channel"228+version = "2.5.0"229+source = "registry+https://github.com/rust-lang/crates.io-index"230+checksum = "924ed96dd52d1b75e9c1a3e6275715fd320f5f9439fb5a4a11fa51f4221158d2"231+dependencies = [232+ "concurrent-queue",233+ "event-listener-strategy",234+ "futures-core",235+ "pin-project-lite",236+]237+238+[[package]]239+name = "async-executor"240+version = "1.14.0"241+source = "registry+https://github.com/rust-lang/crates.io-index"242+checksum = "c96bf972d85afc50bf5ab8fe2d54d1586b4e0b46c97c50a0c9e71e2f7bcd812a"243+dependencies = [244+ "async-task",245+ "concurrent-queue",246+ "fastrand",247+ "futures-lite",248+ "pin-project-lite",249+ "slab",250+]251+252+[[package]]253+name = "async-io"254+version = "2.6.0"255+source = "registry+https://github.com/rust-lang/crates.io-index"256+checksum = "456b8a8feb6f42d237746d4b3e9a178494627745c3c56c6ea55d92ba50d026fc"257+dependencies = [258+ "autocfg",259+ "cfg-if",260+ "concurrent-queue",261+ "futures-io",262+ "futures-lite",263+ "parking",264+ "polling",265+ "rustix 1.1.4",266+ "slab",267+ "windows-sys 0.61.2",268+]269+270+[[package]]271+name = "async-lock"272+version = "3.4.2"273+source = "registry+https://github.com/rust-lang/crates.io-index"274+checksum = "290f7f2596bd5b78a9fec8088ccd89180d7f9f55b94b0576823bbbdc72ee8311"275+dependencies = [276+ "event-listener",277+ "event-listener-strategy",278+ "pin-project-lite",279+]280+281+[[package]]282+name = "async-process"283+version = "2.5.0"284+source = "registry+https://github.com/rust-lang/crates.io-index"285+checksum = "fc50921ec0055cdd8a16de48773bfeec5c972598674347252c0399676be7da75"286+dependencies = [287+ "async-channel",288+ "async-io",289+ "async-lock",290+ "async-signal",291+ "async-task",292+ "blocking",293+ "cfg-if",294+ "event-listener",295+ "futures-lite",296+ "rustix 1.1.4",297+]298+299+[[package]]300+name = "async-recursion"301+version = "1.1.1"302+source = "registry+https://github.com/rust-lang/crates.io-index"303+checksum = "3b43422f69d8ff38f95f1b2bb76517c91589a924d1559a0e935d7c8ce0274c11"304+dependencies = [305+ "proc-macro2",306+ "quote",307+ "syn 2.0.118",308+]309+310+[[package]]311+name = "async-signal"312+version = "0.2.14"313+source = "registry+https://github.com/rust-lang/crates.io-index"314+checksum = "52b5aaafa020cf5053a01f2a60e8ff5dccf550f0f77ec54a4e47285ac2bab485"315+dependencies = [316+ "async-io",317+ "async-lock",318+ "atomic-waker",319+ "cfg-if",320+ "futures-core",321+ "futures-io",322+ "rustix 1.1.4",323+ "signal-hook-registry",324+ "slab",325+ "windows-sys 0.61.2",326+]327+328+[[package]]329+name = "async-task"330+version = "4.7.1"331+source = "registry+https://github.com/rust-lang/crates.io-index"332+checksum = "8b75356056920673b02621b35afd0f7dda9306d03c79a30f5c56c44cf256e3de"333+195334 [[package]]196335 name = "async-trait"197336 version = "0.1.89"
@@ -234,7 +373,7 @@ dependencies = [
234373 "glib-sys",235374 "gobject-sys",236375 "libc",237- "system-deps",376+ "system-deps 6.2.2",238377 ]239378 240379 [[package]]
@@ -296,6 +435,25 @@ version = "1.8.3"
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@@ -388,6 +546,19 @@ dependencies = [
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@@ -478,6 +649,20 @@ name = "bytemuck"
478649 version = "1.25.0"479650 source = "registry+https://github.com/rust-lang/crates.io-index"480651 checksum = "c8efb64bd706a16a1bdde310ae86b351e4d21550d98d056f22f8a7f7a2183fec"652+dependencies = [653+ "bytemuck_derive",654+]655+656+[[package]]657+name = "bytemuck_derive"658+version = "1.10.2"659+source = "registry+https://github.com/rust-lang/crates.io-index"660+checksum = "f9abbd1bc6865053c427f7198e6af43bfdedc55ab791faed4fbd361d789575ff"661+dependencies = [662+ "proc-macro2",663+ "quote",664+ "syn 2.0.118",665+]481666 482667 [[package]]483668 name = "byteorder"
@@ -485,6 +670,12 @@ version = "1.5.0"
485670 source = "registry+https://github.com/rust-lang/crates.io-index"486671 checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"487672 673+[[package]]674+name = "byteorder-lite"675+version = "0.1.0"676+source = "registry+https://github.com/rust-lang/crates.io-index"677+checksum = "8f1fe948ff07f4bd06c30984e69f5b4899c516a3ef74f34df92a2df2ab535495"678+488679 [[package]]489680 name = "bytes"490681 version = "1.12.0"
@@ -516,7 +707,7 @@ checksum = "685c9fa8e590b8b3d678873528d83411db17242a73fccaed827770ea0fedda51"
516707 dependencies = [517708 "glib-sys",518709 "libc",519- "system-deps",710+ "system-deps 6.2.2",520711 ]521712 522713 [[package]]
@@ -577,7 +768,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
577768 checksum = "e228eec9be7c17ccb640b59b36a5cd805ea2a564a4c5e162c2f659fea30d3b96"578769 dependencies = [579770 "find-msvc-tools",580- "shlex",771+ "shlex 2.0.1",581772 ]582773 583774 [[package]]
@@ -586,6 +777,15 @@ version = "1.1.0"
586777 source = "registry+https://github.com/rust-lang/crates.io-index"587778 checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"588779 780+[[package]]781+name = "cexpr"782+version = "0.6.0"783+source = "registry+https://github.com/rust-lang/crates.io-index"784+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"785+dependencies = [786+ "nom 7.1.3",787+]788+589789 [[package]]590790 name = "cfb"591791 version = "0.7.3"
@@ -604,7 +804,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
604804 checksum = "d067ad48b8650848b989a59a86c6c36a995d02d2bf778d45c3c5d57bc2718f02"605805 dependencies = [606806 "smallvec",607- "target-lexicon",807+ "target-lexicon 0.12.16",808+]809+810+[[package]]811+name = "cfg-expr"812+version = "0.20.8"813+source = "registry+https://github.com/rust-lang/crates.io-index"814+checksum = "fb693542bcafa528e198be0ebd9d3632ca5b7c93dbe7237460e199910835997c"815+dependencies = [816+ "smallvec",817+ "target-lexicon 0.13.5",608818 ]609819 610820 [[package]]
@@ -679,6 +889,17 @@ dependencies = [
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@@ -704,6 +925,15 @@ dependencies = [
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@@ -716,6 +946,15 @@ version = "0.4.2"
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@@ -735,6 +974,12 @@ dependencies = [
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@@ -1111,7 +1356,7 @@ checksum = "07da5016415d5a3c4dd39b11ed26f915f52fc4e0dc197d87908bc916e51bc1a6"
11111356 dependencies = [11121357 "asn1-rs",11131358 "displaydoc",1114- "nom",1359+ "nom 7.1.3",11151360 "num-bigint",11161361 "num-traits",11171362 "rusticata-macros",
@@ -1173,7 +1418,7 @@ version = "2.1.1"
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@@ -1251,6 +1496,15 @@ dependencies = [
12511496 "syn 2.0.118",12521497 ]12531498 1499+[[package]]1500+name = "dlib"1501+version = "0.5.3"1502+source = "registry+https://github.com/rust-lang/crates.io-index"1503+checksum = "ab8ecd87370524b461f8557c119c405552c396ed91fc0a8eec68679eab26f94a"1504+dependencies = [1505+ "libloading 0.7.4",1506+]1507+12541508 [[package]]12551509 name = "dlopen2"12561510 version = "0.8.2"
@@ -1289,6 +1543,12 @@ dependencies = [
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@@ -1298,6 +1558,46 @@ dependencies = [
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@@ -1405,6 +1705,12 @@ version = "0.6.1"
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@@ -1416,6 +1722,27 @@ dependencies = [
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@@ -1453,6 +1780,27 @@ dependencies = [
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@@ -1677,6 +2025,30 @@ dependencies = [
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@@ -4950,6 +5778,12 @@ dependencies = [
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@@ -5582,6 +6435,19 @@ dependencies = [
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@@ -6053,6 +6919,17 @@ version = "1.20.1"
60536919 source = "registry+https://github.com/rust-lang/crates.io-index"60546920 checksum = "b6f5e870be6c3b371b77fe0ee0bafb859fa4964b4404c27de1d380043c4dda20"60556921 6922+[[package]]6923+name = "uds_windows"6924+version = "1.2.1"6925+source = "registry+https://github.com/rust-lang/crates.io-index"6926+checksum = "f2f6fb2847f6742cd76af783a2a2c49e9375d0a111c7bef6f71cd9e738c72d6e"6927+dependencies = [6928+ "memoffset",6929+ "tempfile",6930+ "windows-sys 0.61.2",6931+]6932+60566933 [[package]]60576934 name = "unic-char-property"60586935 version = "0.9.0"
@@ -6112,6 +6989,12 @@ version = "0.1.14"
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@@ -6372,6 +7255,94 @@ dependencies = [
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@@ -6445,7 +7416,7 @@ dependencies = [
64457416 "libc",64467417 "pkg-config",64477418 "soup3-sys",6448- "system-deps",7419+ "system-deps 6.2.2",64497420 ]64507421 64517422 [[package]]
@@ -6944,6 +7915,9 @@ name = "winnow"
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@@ -7094,13 +8068,55 @@ dependencies = [
70948068 "data-encoding",70958069 "der-parser",70968070 "lazy_static",7097- "nom",8071+ "nom 7.1.3",70988072 "oid-registry",70998073 "rusticata-macros",71008074 "thiserror 2.0.18",71018075 "time",71028076 ]71038077 8078+[[package]]8079+name = "xcap"8080+version = "0.9.6"8081+source = "registry+https://github.com/rust-lang/crates.io-index"8082+checksum = "b6ad471d5ba232bc276382d26a9d3b837d6853b7df389058b5bb1e94dcdd248c"8083+dependencies = [8084+ "dispatch2",8085+ "image",8086+ "libwayshot-xcap",8087+ "log",8088+ "objc2",8089+ "objc2-app-kit",8090+ "objc2-av-foundation",8091+ "objc2-core-foundation",8092+ "objc2-core-graphics",8093+ "objc2-core-media",8094+ "objc2-core-video",8095+ "objc2-foundation",8096+ "percent-encoding",8097+ "pipewire",8098+ "rand 0.9.4",8099+ "scopeguard",8100+ "serde",8101+ "thiserror 2.0.18",8102+ "url",8103+ "widestring",8104+ "windows 0.62.2",8105+ "xcb",8106+ "zbus",8107+]8108+8109+[[package]]8110+name = "xcb"8111+version = "1.7.0"8112+source = "registry+https://github.com/rust-lang/crates.io-index"8113+checksum = "ee4c580d8205abb0a5cf4eb7e927bd664e425b6c3263f9c5310583da96970cf6"8114+dependencies = [8115+ "bitflags 1.3.2",8116+ "libc",8117+ "quick-xml 0.30.0",8118+]8119+71048120 [[package]]71058121 name = "xml-rs"71068122 version = "0.8.28"
@@ -7139,6 +8155,67 @@ dependencies = [
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@@ -7238,3 +8315,58 @@ name = "zmij"
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M src-tauri/Cargo.toml +4 -1
@@ -24,4 +24,7 @@ tauri-plugin-log = "2"
2424 ctap-hid-fido2 = "3.5"2525 iroh = "1.0"2626 anyhow = "1"27-tokio = { version = "1", features = ["macros", "rt-multi-thread"] }27+tokio = { version = "1", features = ["macros", "rt-multi-thread", "io-util", "time"] }28+xcap = "0.9"29+image = { version = "0.25", default-features = false, features = ["jpeg"] }30+base64 = "0.22"
M src-tauri/capabilities/default.json +2 -1
@@ -6,6 +6,7 @@
66 "main"77 ],88 "permissions": [9- "core:default"9+ "core:default",10+ "core:event:default"1011 ]1112 }
M src-tauri/src/commands.rs +240 -40
@@ -3,20 +3,45 @@
33 //! Commands:44 //! - fido_device_info: enumerate FIDO2 devices and get info55 //! - fido_pin_retries: check PIN retry count6-//! - iroh_host_start: start Iroh endpoint, return addr JSON6+//! - iroh_host_start: start Iroh endpoint, stream screen frames to clients77 //! - iroh_host_status: check if host endpoint is running8-//! - iroh_client_connect: connect to a host addr (placeholder for now)8+//! - iroh_client_connect: connect to a host, receive frames, emit "frame" events99 10+use anyhow::Context as _;11+use base64::Engine;1012 use ctap_hid_fido2::{Cfg, FidoKeyHidFactory};13+use iroh::endpoint::{presets, Connection};14+use iroh::protocol::{ProtocolHandler, Router};15+use iroh::{Endpoint, EndpointAddr, SecretKey};1116 use serde::Serialize;12-use std::sync::Mutex;13-use tauri::State;17+use std::io::Cursor;18+use std::sync::{Arc, Mutex};19+use std::time::{Duration, Instant};20+use tauri::{AppHandle, Emitter, State};21+use tokio::io::{AsyncReadExt, AsyncWriteExt};22+23+const ALPN: &[u8] = b"keyhome/frame-stream/0";24+25+// ─── AppState ────────────────────────────────────────────────────────────────1426 15-#[derive(Default)]1627 pub struct AppState {17- pub host_addr: Mutex<Option<String>>,28+ pub host: Mutex<Option<HostState>>,29+}30+31+pub struct HostState {32+ pub addr_json: String,1833 }1934 35+impl Default for AppState {36+ fn default() -> Self {37+ Self {38+ host: Mutex::new(None),39+ }40+ }41+}42+43+// ─── FIDO2 ───────────────────────────────────────────────────────────────────44+2045 #[derive(Serialize)]2146 pub struct FidoDeviceInfo {2247 pub found: bool,
@@ -31,6 +56,23 @@ pub struct FidoDeviceInfo {
3156 pub error: Option<String>,3257 }3358 59+impl Default for FidoDeviceInfo {60+ fn default() -> Self {61+ Self {62+ found: false,63+ vid: 0,64+ pid: 0,65+ product: String::new(),66+ versions: vec![],67+ extensions: vec![],68+ options: vec![],69+ max_msg_size: 0,70+ pin_retries: 0,71+ error: None,72+ }73+ }74+}75+3476 #[tauri::command]3577 pub fn fido_device_info() -> FidoDeviceInfo {3678 let devices = ctap_hid_fido2::get_fidokey_devices();
@@ -89,23 +131,6 @@ pub fn fido_device_info() -> FidoDeviceInfo {
89131 }90132 }91133 92-impl Default for FidoDeviceInfo {93- fn default() -> Self {94- Self {95- found: false,96- vid: 0,97- pid: 0,98- product: String::new(),99- versions: vec![],100- extensions: vec![],101- options: vec![],102- max_msg_size: 0,103- pin_retries: 0,104- error: None,105- }106- }107-}108-109134 #[derive(Serialize)]110135 pub struct PinRetries {111136 pub retries: u32,
@@ -133,6 +158,8 @@ pub fn fido_pin_retries() -> PinRetries {
133158 }134159 }135160 161+// ─── Iroh Host ───────────────────────────────────────────────────────────────162+136163 #[derive(Serialize)]137164 pub struct HostStatus {138165 pub running: bool,
@@ -142,22 +169,32 @@ pub struct HostStatus {
142169 143170 #[tauri::command]144171 pub async fn iroh_host_start(state: State<'_, AppState>) -> Result<HostStatus, String> {145- let secret = iroh::SecretKey::generate();146- let endpoint = iroh::Endpoint::builder(iroh::endpoint::presets::N0)172+ let secret = SecretKey::generate();173+ let endpoint = Endpoint::builder(presets::N0)147174 .secret_key(secret)148175 .bind()149176 .await150177 .map_err(|e| format!("Failed to bind endpoint: {}", e))?;151178 179+ let _ = tokio::time::timeout(Duration::from_secs(5), endpoint.online()).await;180+152181 let addr = endpoint.addr();153- let addr_json = serde_json::to_string(&addr).map_err(|e| format!("Failed to serialize addr: {}", e))?;182+ let addr_json =183+ serde_json::to_string(&addr).map_err(|e| format!("Failed to serialize addr: {}", e))?;154184 155- let mut host_addr = state.host_addr.lock().map_err(|e| format!("Lock error: {}", e))?;156- *host_addr = Some(addr_json.clone());185+ let handler = Arc::new(FrameStreamHandler);186+ let _router = Router::builder(endpoint.clone())187+ .accept(ALPN, handler)188+ .spawn();157189 158- // Keep endpoint alive by leaking it — for MVP this is fine159- // In production, store in AppState190+ // Keep endpoint alive by leaking — MVP tradeoff160191 std::mem::forget(endpoint);192+ std::mem::forget(_router);193+194+ let mut host = state.host.lock().map_err(|e| format!("Lock error: {}", e))?;195+ *host = Some(HostState {196+ addr_json: addr_json.clone(),197+ });161198 162199 Ok(HostStatus {163200 running: true,
@@ -168,12 +205,19 @@ pub async fn iroh_host_start(state: State<'_, AppState>) -> Result<HostStatus, S
168205 169206 #[tauri::command]170207 pub fn iroh_host_status(state: State<'_, AppState>) -> HostStatus {171- let host_addr = state.host_addr.lock().ok();172- match host_addr {173- Some(addr) => HostStatus {174- running: addr.is_some(),175- addr_json: addr.clone(),176- error: None,208+ let host = state.host.lock().ok();209+ match host {210+ Some(h) => match &*h {211+ Some(hs) => HostStatus {212+ running: true,213+ addr_json: Some(hs.addr_json.clone()),214+ error: None,215+ },216+ None => HostStatus {217+ running: false,218+ addr_json: None,219+ error: None,220+ },177221 },178222 None => HostStatus {179223 running: false,
@@ -183,6 +227,89 @@ pub fn iroh_host_status(state: State<'_, AppState>) -> HostStatus {
183227 }184228 }185229 230+#[derive(Debug)]231+struct FrameStreamHandler;232+233+impl ProtocolHandler for FrameStreamHandler {234+ async fn accept(&self, conn: Connection) -> Result<(), iroh::protocol::AcceptError> {235+ if let Err(e) = stream_frames(conn).await {236+ eprintln!("[host] stream error: {}", e);237+ }238+ Ok(())239+ }240+}241+242+async fn stream_frames(conn: Connection) -> anyhow::Result<()> {243+ let (mut send, mut recv) = conn.accept_bi().await?;244+245+ // Wait for client start signal246+ let mut start_buf = [0u8; 1];247+ recv.read_exact(&mut start_buf).await?;248+ if start_buf[0] != 1 {249+ return Ok(());250+ }251+252+ // Capture screen253+ let monitors = xcap::Monitor::all().context("failed to enumerate monitors")?;254+ let monitor = monitors255+ .into_iter()256+ .next()257+ .ok_or_else(|| anyhow::anyhow!("no monitors found"))?;258+259+ let mut frame_count = 0u32;260+ let start = Instant::now();261+262+ loop {263+ let image = monitor.capture_image()?;264+ let rgb_image = image::DynamicImage::ImageRgba8(image).to_rgb8();265+ let (w, h) = (rgb_image.width(), rgb_image.height());266+267+ let mut jpeg_buf = Vec::with_capacity(50_000);268+ rgb_image.write_to(&mut Cursor::new(&mut jpeg_buf), image::ImageFormat::Jpeg)?;269+ let jpeg_size = jpeg_buf.len();270+271+ let header = [272+ (w as u32).to_be_bytes(),273+ (h as u32).to_be_bytes(),274+ (jpeg_size as u32).to_be_bytes(),275+ ]276+ .concat();277+278+ send.write_all(&header).await?;279+ send.write_all(&jpeg_buf).await?;280+281+ frame_count += 1;282+ let elapsed = start.elapsed();283+ let fps = frame_count as f64 / elapsed.as_secs_f64().max(0.001);284+ eprintln!(285+ "[host] frame={} {}x{} jpeg={}B fps={:.1}",286+ frame_count, w, h, jpeg_size, fps287+ );288+289+ // Check for client disconnect290+ match tokio::time::timeout(Duration::from_millis(1), recv.read(&mut [0u8; 1])).await {291+ Ok(Ok(Some(_))) => {292+ eprintln!("[host] client disconnected");293+ break;294+ }295+ _ => {}296+ }297+298+ tokio::time::sleep(Duration::from_millis(33)).await;299+ }300+301+ Ok(())302+}303+304+// ─── Iroh Client ─────────────────────────────────────────────────────────────305+306+#[derive(Serialize, Clone)]307+pub struct FramePayload {308+ pub width: u32,309+ pub height: u32,310+ pub data: String, // base64 JPEG311+}312+186313 #[derive(Serialize)]187314 pub struct ConnectResult {188315 pub connected: bool,
@@ -190,10 +317,83 @@ pub struct ConnectResult {
190317 }191318 192319 #[tauri::command]193-pub async fn iroh_client_connect(_addr_json: String) -> Result<ConnectResult, String> {194- // Placeholder — full client connection will be implemented in next iteration320+pub async fn iroh_client_connect(321+ app: AppHandle,322+ _state: State<'_, AppState>,323+ addr_json: String,324+) -> Result<ConnectResult, String> {325+ let addr: EndpointAddr = serde_json::from_str(&addr_json)326+ .map_err(|e| format!("Invalid address: {}", e))?;327+328+ let secret = SecretKey::generate();329+ let endpoint = Endpoint::builder(presets::N0)330+ .secret_key(secret)331+ .bind()332+ .await333+ .map_err(|e| format!("Failed to bind endpoint: {}", e))?;334+335+ let _ = tokio::time::timeout(Duration::from_secs(10), endpoint.online()).await;336+337+ let conn = endpoint338+ .connect(addr, ALPN)339+ .await340+ .map_err(|e| format!("Failed to connect: {}", e))?;341+342+ let (mut send, mut recv) = conn343+ .open_bi()344+ .await345+ .map_err(|e| format!("Failed to open stream: {}", e))?;346+347+ // Send start signal348+ send.write_all(&[1u8])349+ .await350+ .map_err(|e| format!("Failed to send start: {}", e))?;351+352+ // Spawn background task to read frames and emit events353+ tokio::spawn(async move {354+ let mut frame_count = 0u32;355+ let start = Instant::now();356+357+ loop {358+ let mut header = [0u8; 12];359+ if recv.read_exact(&mut header).await.is_err() {360+ let _ = app.emit("frame-error", "Connection lost");361+ break;362+ }363+364+ let w = u32::from_be_bytes([header[0], header[1], header[2], header[3]]);365+ let h = u32::from_be_bytes([header[4], header[5], header[6], header[7]]);366+ let jpeg_len =367+ u32::from_be_bytes([header[8], header[9], header[10], header[11]]) as usize;368+369+ let mut jpeg_buf = vec![0u8; jpeg_len];370+ if recv.read_exact(&mut jpeg_buf).await.is_err() {371+ let _ = app.emit("frame-error", "Connection lost");372+ break;373+ }374+375+ frame_count += 1;376+ let elapsed = start.elapsed();377+ let fps = frame_count as f64 / elapsed.as_secs_f64().max(0.001);378+379+ let b64 = base64::engine::general_purpose::STANDARD.encode(&jpeg_buf);380+ let _ = app.emit(381+ "frame",382+ FramePayload {383+ width: w,384+ height: h,385+ data: b64,386+ },387+ );388+ let _ = app.emit("frame-stats", serde_json::json!({ "fps": fps, "count": frame_count }));389+ }390+391+ // Keep endpoint alive until task ends392+ drop(endpoint);393+ });394+195395 Ok(ConnectResult {196- connected: false,197- error: Some("Client connection not yet implemented in Tauri UI".into()),396+ connected: true,397+ error: None,198398 })199399 }
M src/ui/index.html +126 -84
@@ -25,22 +25,9 @@
2525 font-size: 14px;2626 padding: 24px;2727 }28- h1 {29- font-size: 22px;30- font-weight: 600;31- margin-bottom: 4px;32- }33- .subtitle {34- color: var(--text-dim);35- font-size: 13px;36- margin-bottom: 24px;37- }38- .grid {39- display: grid;40- grid-template-columns: 1fr 1fr;41- gap: 16px;42- max-width: 900px;43- }28+ h1 { font-size: 22px; font-weight: 600; margin-bottom: 4px; }29+ .subtitle { color: var(--text-dim); font-size: 13px; margin-bottom: 24px; }30+ .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 1100px; }4431 .card {4532 background: var(--surface);4633 border: 1px solid var(--border);
@@ -48,95 +35,80 @@
4835 padding: 16px;4936 }5037 .card h2 {51- font-size: 14px;52- font-weight: 600;53- color: var(--text-dim);54- text-transform: uppercase;55- letter-spacing: 0.5px;56- margin-bottom: 12px;38+ font-size: 14px; font-weight: 600; color: var(--text-dim);39+ text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px;5740 }5841 .row {59- display: flex;60- justify-content: space-between;61- align-items: center;62- padding: 6px 0;63- border-bottom: 1px solid var(--border);42+ display: flex; justify-content: space-between; align-items: center;43+ padding: 6px 0; border-bottom: 1px solid var(--border);6444 }6545 .row:last-child { border-bottom: none; }6646 .row .label { color: var(--text-dim); }6747 .row .value { font-family: var(--mono); font-size: 13px; }6848 .status-badge {69- display: inline-block;70- padding: 2px 8px;71- border-radius: 12px;72- font-size: 12px;73- font-weight: 500;49+ display: inline-block; padding: 2px 8px; border-radius: 12px;50+ font-size: 12px; font-weight: 500;7451 }7552 .status-ok { background: rgba(63,185,80,0.15); color: var(--green); }7653 .status-err { background: rgba(248,81,73,0.15); color: var(--red); }7754 .status-pending { background: rgba(210,153,34,0.15); color: var(--yellow); }7855 .btn {79- background: var(--surface);80- border: 1px solid var(--border);81- color: var(--text);82- padding: 8px 16px;83- border-radius: 6px;84- font-size: 13px;85- cursor: pointer;86- transition: border-color 0.2s;56+ background: var(--surface); border: 1px solid var(--border);57+ color: var(--text); padding: 8px 16px; border-radius: 6px;58+ font-size: 13px; cursor: pointer; transition: border-color 0.2s;8759 }8860 .btn:hover { border-color: var(--accent); }8961 .btn-primary {90- background: rgba(88,166,255,0.1);91- border-color: rgba(88,166,255,0.3);62+ background: rgba(88,166,255,0.1); border-color: rgba(88,166,255,0.3);9263 color: var(--accent);9364 }9465 .btn-bar { display: flex; gap: 8px; margin-top: 12px; }9566 .addr-box {96- margin-top: 12px;97- padding: 8px 12px;98- background: rgba(88,166,255,0.05);99- border: 1px solid rgba(88,166,255,0.2);100- border-radius: 6px;101- font-family: var(--mono);102- font-size: 11px;103- word-break: break-all;104- color: var(--accent);105- display: none;67+ margin-top: 12px; padding: 8px 12px;68+ background: rgba(88,166,255,0.05); border: 1px solid rgba(88,166,255,0.2);69+ border-radius: 6px; font-family: var(--mono); font-size: 11px;70+ word-break: break-all; color: var(--accent); display: none;10671 }10772 .addr-box.visible { display: block; }108- .connect-section {109- margin-top: 16px;110- }73+ .connect-section { margin-top: 16px; }11174 .input {112- width: 100%;113- background: var(--bg);114- border: 1px solid var(--border);115- color: var(--text);116- padding: 8px 12px;117- border-radius: 6px;118- font-family: var(--mono);119- font-size: 12px;120- margin-top: 8px;75+ width: 100%; background: var(--bg); border: 1px solid var(--border);76+ color: var(--text); padding: 8px 12px; border-radius: 6px;77+ font-family: var(--mono); font-size: 12px; margin-top: 8px;12178 }12279 .input:focus { outline: none; border-color: var(--accent); }123- .error-msg {124- color: var(--red);125- font-size: 12px;126- margin-top: 8px;127- display: none;128- }80+ .error-msg { color: var(--red); font-size: 12px; margin-top: 8px; display: none; }12981 .error-msg.visible { display: block; }13082 .spinner {131- display: inline-block;132- width: 14px;133- height: 14px;134- border: 2px solid var(--border);135- border-top-color: var(--accent);136- border-radius: 50%;137- animation: spin 0.8s linear infinite;83+ display: inline-block; width: 14px; height: 14px;84+ border: 2px solid var(--border); border-top-color: var(--accent);85+ border-radius: 50%; animation: spin 0.8s linear infinite;13886 }13987 @keyframes spin { to { transform: rotate(360deg); } }88+89+ /* Frame viewer */90+ .viewer-card { grid-column: 1 / -1; }91+ .viewer-wrap {92+ margin-top: 12px; border: 1px solid var(--border); border-radius: 6px;93+ overflow: hidden; background: #000; position: relative;94+ min-height: 300px; display: flex; align-items: center; justify-content: center;95+ }96+ #frame-canvas { max-width: 100%; max-height: 500px; display: none; }97+ .viewer-placeholder {98+ color: var(--text-dim); font-size: 13px; padding: 60px 20px; text-align: center;99+ }100+ .viewer-stats {101+ position: absolute; top: 8px; right: 8px;102+ background: rgba(0,0,0,0.7); color: var(--green);103+ font-family: var(--mono); font-size: 11px; padding: 4px 8px;104+ border-radius: 4px; display: none;105+ }106+ .viewer-stats.visible { display: block; }107+ .copy-btn {108+ background: none; border: none; color: var(--text-dim); cursor: pointer;109+ font-size: 12px; margin-left: 8px;110+ }111+ .copy-btn:hover { color: var(--accent); }140112 </style>141113 </head>142114 <body>
@@ -191,13 +163,16 @@
191163 <button class="btn btn-primary" onclick="startHost()">Start host</button>192164 </div>193165 <div id="host-addr-box" class="addr-box"></div>166+ <div class="btn-bar" id="copy-bar" style="display:none;">167+ <button class="btn" onclick="copyAddr()">Copy address</button>168+ </div>194169 </div>195170 196171 <!-- Iroh Client Card -->197172 <div class="card" style="grid-column: 1 / -1;">198173 <h2>Connect to Host (Client)</h2>199174 <p style="color: var(--text-dim); font-size: 12px; margin-bottom: 8px;">200- Paste the host's address JSON below to connect.175+ Paste the host's address JSON below to connect and view the remote screen.201176 </p>202177 <input class="input" id="connect-addr" placeholder='{"id":"...","addrs":[...]}' />203178 <div class="btn-bar">
@@ -205,16 +180,31 @@
205180 </div>206181 <div id="connect-error" class="error-msg"></div>207182 </div>183+184+ <!-- Frame Viewer -->185+ <div class="card viewer-card">186+ <h2>Remote Screen <span id="viewer-stats" class="viewer-stats"></span></h2>187+ <div class="viewer-wrap">188+ <canvas id="frame-canvas"></canvas>189+ <div id="viewer-placeholder" class="viewer-placeholder">190+ No stream connected. Start a host on one machine, copy the address,191+ and connect from another.192+ </div>193+ </div>194+ </div>208195 </div>209196 210197 <script>211198 const { invoke } = window.__TAURI__.core;199+ const { listen } = window.__TAURI__.event;200+201+ let hostAddrJson = '';212202 203+ // ─── FIDO2 ─────────────────────────────────────────────────────────213204 async function scanFido() {214205 const status = document.getElementById('fido-status');215206 status.className = 'status-badge status-pending';216207 status.innerHTML = '<span class="spinner"></span> Scanning...';217-218208 try {219209 const info = await invoke('fido_device_info');220210 if (info.found && !info.error) {
@@ -241,22 +231,21 @@
241231 }242232 }243233 234+ // ─── Host ──────────────────────────────────────────────────────────244235 async function startHost() {245236 const status = document.getElementById('host-status');246237 status.className = 'status-badge status-pending';247238 status.innerHTML = '<span class="spinner"></span> Starting...';248-249239 try {250240 const result = await invoke('iroh_host_start');251241 if (result.running) {252242 status.className = 'status-badge status-ok';253243 status.textContent = 'Running';254-244+ hostAddrJson = result.addr_json;255245 const addrBox = document.getElementById('host-addr-box');256246 addrBox.textContent = result.addr_json;257247 addrBox.classList.add('visible');258-259- // Extract endpoint ID from the JSON248+ document.getElementById('copy-bar').style.display = 'flex';260249 const addr = JSON.parse(result.addr_json);261250 document.getElementById('host-id').textContent = addr.id.substring(0, 16) + '...';262251 } else {
@@ -269,6 +258,16 @@
269258 }270259 }271260 261+ function copyAddr() {262+ navigator.clipboard.writeText(hostAddrJson).then(() => {263+ const btn = document.querySelector('#copy-bar .btn');264+ const orig = btn.textContent;265+ btn.textContent = 'Copied!';266+ setTimeout(() => { btn.textContent = orig; }, 1500);267+ });268+ }269+270+ // ─── Client ────────────────────────────────────────────────────────272271 async function connectHost() {273272 const addr = document.getElementById('connect-addr').value.trim();274273 const errBox = document.getElementById('connect-error');
@@ -280,12 +279,18 @@
280279 return;281280 }282281 282+ errBox.style.color = 'var(--yellow)';283+ errBox.textContent = 'Connecting...';284+ errBox.classList.add('visible');285+283286 try {284287 const result = await invoke('iroh_client_connect', { addrJson: addr });285288 if (result.connected) {286289 errBox.style.color = 'var(--green)';287- errBox.textContent = 'Connected!';290+ errBox.textContent = 'Connected! Streaming frames...';288291 errBox.classList.add('visible');292+ document.getElementById('frame-canvas').style.display = 'block';293+ document.getElementById('viewer-placeholder').style.display = 'none';289294 } else {290295 errBox.style.color = 'var(--red)';291296 errBox.textContent = result.error || 'Connection failed';
@@ -297,6 +302,43 @@
297302 errBox.classList.add('visible');298303 }299304 }305+306+ // ─── Frame rendering ───────────────────────────────────────────────307+ const canvas = document.getElementById('frame-canvas');308+ const ctx = canvas.getContext('2d');309+ let lastFrameTime = 0;310+311+ listen('frame', (event) => {312+ const { width, height, data } = event.payload;313+ if (canvas.width !== width) canvas.width = width;314+ if (canvas.height !== height) canvas.height = height;315+316+ const bytes = Uint8Array.from(atob(data), c => c.charCodeAt(0));317+ const blob = new Blob([bytes], { type: 'image/jpeg' });318+ const url = URL.createObjectURL(blob);319+ const img = new Image();320+ img.onload = () => {321+ ctx.drawImage(img, 0, 0, canvas.width, canvas.height);322+ URL.revokeObjectURL(url);323+ };324+ img.src = url;325+ });326+327+ listen('frame-stats', (event) => {328+ const stats = document.getElementById('viewer-stats');329+ stats.textContent = `${event.payload.fps.toFixed(1)} fps | frame ${event.payload.count}`;330+ stats.classList.add('visible');331+ });332+333+ listen('frame-error', (event) => {334+ const errBox = document.getElementById('connect-error');335+ errBox.style.color = 'var(--red)';336+ errBox.textContent = event.payload;337+ errBox.classList.add('visible');338+ document.getElementById('frame-canvas').style.display = 'none';339+ document.getElementById('viewer-placeholder').style.display = 'block';340+ document.getElementById('viewer-placeholder').textContent = 'Disconnected: ' + event.payload;341+ });300342 </script>301343 </body>302344 </html>