Update to websockets

This commit is contained in:
Scott Idem
2022-11-02 16:39:25 -04:00
parent 49aabfe6f4
commit 705cedbf3c

View File

@@ -27,28 +27,29 @@ html = """
<ul id='messages'> <ul id='messages'>
</ul> </ul>
<script> <script>
var client_id = Date.now() var client_id = Date.now();
document.querySelector("#ws-id").textContent = client_id; document.querySelector("#ws-id").textContent = client_id;
// var ws = new WebSocket(`ws://localhost:5005/ws/${client_id}`); var ws = new WebSocket(`ws://localhost:5005/ws/${client_id}`);
var ws = new WebSocket(`ws://localhost:5005/ws`); // var ws = new WebSocket(`ws://localhost:5005/ws`);
//var ws = new WebSocket("ws://localhost:8000/ws"); // var ws = new WebSocket("ws://localhost:8000/ws");
//var ws = new WebSocket("ws://fastapi.localhost/ws"); // var ws = new WebSocket("ws://fastapi.localhost/ws");
ws.onmessage = function(event) { ws.onmessage = function(event) {
var messages = document.getElementById('messages') var messages = document.getElementById('messages');
var message = document.createElement('li') var message = document.createElement('li');
var content = document.createTextNode(event.data) var content = document.createTextNode(event.data);
message.appendChild(content) message.appendChild(content);
messages.appendChild(message) messages.appendChild(message);
}; };
function sendMessage(event) { function sendMessage(event) {
var input = document.getElementById("messageText") console.log('*** sendMessage() ***');
var input = document.getElementById("messageText");
var data = { 'client_id': client_id, 'message': input.value }; var data = { 'client_id': client_id, 'message': input.value };
var data_json_str = JSON.stringify(data); var data_json_str = JSON.stringify(data);
ws.send(data_json_str); ws.send(data_json_str);
//ws.send(input.value) //ws.send(input.value);
input.value = '' input.value = '';
event.preventDefault() event.preventDefault();
} }
</script> </script>
</body> </body>
@@ -63,8 +64,12 @@ async def get(response: Response = Response):
return HTMLResponse(html) return HTMLResponse(html)
@router.websocket("/ws") @router.websocket("/ws/{client_id}")
async def websocket_endpoint(websocket: WebSocket, response: Response = Response): async def websocket_endpoint(
websocket: WebSocket,
client_id: int,
response: Response = Response,
):
log.setLevel(logging.DEBUG) log.setLevel(logging.DEBUG)
log.debug(locals()) log.debug(locals())
@@ -75,8 +80,9 @@ async def websocket_endpoint(websocket: WebSocket, response: Response = Response
async def redis_connector( async def redis_connector(
websocket: WebSocket, redis_uri: str = "redis://localhost:6379" websocket: WebSocket,
): redis_url: str = "redis://localhost:6379",
):
log.setLevel(logging.DEBUG) log.setLevel(logging.DEBUG)
log.debug(locals()) log.debug(locals())
@@ -108,7 +114,11 @@ async def redis_connector(
# TODO this needs handling better # TODO this needs handling better
log.error(exc) log.error(exc)
redis = await aioredis.create_pool(redis_uri) # redis = await aioredis.create_pool(redis_url)
# Redis client bound to pool of connections (auto-reconnecting).
redis = aioredis.from_url(
redis_url, encoding="utf-8", decode_responses=True
)
consumer_task = consumer_handler(websocket, redis) consumer_task = consumer_handler(websocket, redis)
producer_task = producer_handler(redis, websocket) producer_task = producer_handler(redis, websocket)
@@ -119,5 +129,5 @@ async def redis_connector(
for task in pending: for task in pending:
log.debug(f"Canceling task: {task}") log.debug(f"Canceling task: {task}")
task.cancel() task.cancel()
redis.close() await redis.close()
await redis.wait_closed() # await redis.wait_closed()