webrtc-in-rust's Introduction

WebRTC Tutorial in Rust+WASM !

Quick prerequisites

You will need to install cargo-make and microserver
cargo install --force cargo-make
cargo install microserver

Start Right away

You need two terminals opened in the root directory of the project.

From Terminal 1
Terminal 1 🛠 : cd ./wasm_client
Terminal 1 🛠 : cargo make build or cargo make watch (if you plan on tinkering)
Terminal 1 🚀 : cargo make serve

From Terminal 2:
Terminal 2 🔌 : cd ./signalling-server
Terminal 2 🔌 : cargo make servesignal

⚠️ Don't forget to set your own ip address for your web-socket's signalling server inside /wasm_client/src/websockets.rs

This is to be read with the following Medium Article.

Useful Terminology

ICE : Interactive Connectivity Establishment
SCTP : Stream Control Transmission Protocol (SCTP)
SDP : Session Description Protocol
STUN : Session Traversal Utilities for NAT
NAT : Network Address Translation
TURN : Traversal Using Relays around NAT
Signaling: Signaling is the process of sending control information between two devices to determine the communication protocols, channels, media codecs and formats, and method of data transfer, as well as any required routing information. The most important thing to know about the signaling process for WebRTC: it is not defined in the specification. This is something that be implemented by the programmer, this project makes use of websockets to achieve this.

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Error: Failed to execute 'send' on 'WebSocket': Still in CONNECTING state.

Hi!

I followed the instructions in the README here and put my IP in websockets.rs, but this project still doesn't seem to work for me.

I can see the buttons and squares on the web page, but when I click the "connect to session" button there is a flurry of errors in the console and nothing appears on the page...

what am I doing wrong here?

Errors in console:

wasm_client.js:528 ERROR wasm_client/src/common.rs:543 Error Sending SessionJoin JsValue(InvalidStateError: Failed to execute 'send' on 'WebSocket': Still in CONNECTING state.Error: Failed to execute 'send' on 'WebSocket': Still in CONNECTING state.    at http://localhost:9000/pkg/wasm_client.js:444:25    at http://localhost:9000/pkg/wasm_client.js:294:22    at web_sys::features::gen_WebSocket::WebSocket::send_with_str::h50b26daf6c0aecab (http://localhost:9000/pkg/wasm_client_bg.wasm:wasm-function[402]:0x4cb67)    at wasm_client::common::try_connect_to_session::hffd62b095e285bc6 (http://localhost:9000/pkg/wasm_client_bg.wasm:wasm-function[129]:0x2182f)    at wasm_client::common::setup_initiator::{{closure}}::{{closure}}::ha9c0d620afc1526f (http://localhost:9000/pkg/wasm_client_bg.wasm:wasm-function[193]:0x34d9d)    at <dyn core::ops::function::FnMut<()>+Output = R as wasm_bindgen::closure::WasmClosure>::describe::invoke::h2f2d581f0729aed8 (http://localhost:9000/pkg/wasm_client_bg.wasm:wasm-function[752]:0x61179)    at __wbg_adapter_31 (http://localhost:9000/pkg/wasm_client.js:259:10)    at HTMLButtonElement.real (http://localhost:9000/pkg/wasm_client.js:201:20))
(anonymous) @ wasm_client.js:528
wasm_client.js:531 INFO wasm_client/src/common.rs:505 sid_inputs sdf
wasm_client.js:528 ERROR wasm_client/src/common.rs:543 Error Sending SessionJoin JsValue(InvalidStateError: Failed to execute 'send' on 'WebSocket': Still in CONNECTING state.Error: Failed to execute 'send' on 'WebSocket': Still in CONNECTING state.    at http://localhost:9000/pkg/wasm_client.js:444:25    at http://localhost:9000/pkg/wasm_client.js:294:22    at web_sys::features::gen_WebSocket::WebSocket::send_with_str::h50b26daf6c0aecab (http://localhost:9000/pkg/wasm_client_bg.wasm:wasm-function[402]:0x4cb67)    at wasm_client::common::try_connect_to_session::hffd62b095e285bc6 (http://localhost:9000/pkg/wasm_client_bg.wasm:wasm-function[129]:0x2182f)    at wasm_client::common::setup_initiator::{{closure}}::{{closure}}::ha9c0d620afc1526f (http://localhost:9000/pkg/wasm_client_bg.wasm:wasm-function[193]:0x34d9d)    at <dyn core::ops::function::FnMut<()>+Output = R as wasm_bindgen::closure::WasmClosure>::describe::invoke::h2f2d581f0729aed8 (http://localhost:9000/pkg/wasm_client_bg.wasm:wasm-function[752]:0x61179)    at __wbg_adapter_31 (http://localhost:9000/pkg/wasm_client.js:259:10)    at HTMLButtonElement.real (http://localhost:9000/pkg/wasm_client.js:201:20))
(anonymous) @ wasm_client.js:528
DevTools failed to load source map: Could not load content for chrome-extension://bfnaelmomeimhlpmgjnjophhpkkoljpa/content_script/content_script.js.map: HTTP error: status code 404, net::ERR_UNKNOWN_URL_SCHEME
DevTools failed to load source map: Could not load content for chrome-extension://bfnaelmomeimhlpmgjnjophhpkkoljpa/content_script/inpage.js.map: HTTP error: status code 404, net::ERR_UNKNOWN_URL_SCHEME
wasm_client.js:440 WebSocket connection to 'ws://192.168.178.60:2794/' failed: 
(anonymous) @ wasm_client.js:440
wasm_client.js:528 ERROR wasm_client/src/websockets.rs:81 WS: onerror_callback error event: ErrorEvent { obj: Event { obj: Object { obj: JsValue(Event) } } }

Error: Couldn't Get Media Stream

When starting a new Session I get this error in the console:
Uncaught (in promise) Error: Couldn't Get Media Stream

A have a working camera and yet it doesn't even ask access to it.
I tried with Firefox as well as Chromium

Do you have any idea where it could come from ?

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charles-schleich / webrtc-in-rust Goto Github PK

webrtc-in-rust's Introduction

WebRTC Tutorial in Rust+WASM !

Quick prerequisites

Start Right away

Useful Terminology

webrtc-in-rust's People

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webrtc-in-rust's Issues

Error: Failed to execute 'send' on 'WebSocket': Still in CONNECTING state.

Error: Couldn't Get Media Stream

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