Add time and expiration of old messages to avoid a flood on reconnect.

src/rust/Cargo.lock

@@ -4574,6 +4574,7 @@ dependencies = [
  "wasm-bindgen",
  "wasm_pipe_types",
  "web-sys",
+ "web-time",
 ]
 
 [[package]]
@@ -4594,6 +4595,17 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "web-time"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19353897b48e2c4d849a2d73cb0aeb16dc2be4e00c565abfc11eb65a806e47de"
+dependencies = [
+ "js-sys",
+ "once_cell",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "webpki"
 version = "0.22.0"

src/rust/long_term_stats/lts_node/run.sh

@@ -10,4 +10,4 @@ cp ../../site_build/output/* .
 cp ../../site_build/src/main.html .
 cp ../../site_build/wasm/wasm_pipe_bg.wasm .
 popd
-RUST_LOG=info RUST_BACKTRACE=1 cargo run --release
+RUST_LOG=info RUST_BACKTRACE=1 cargo run

src/rust/long_term_stats/site_build/wasm/wasm_pipe.js

@@ -1,5 +1,25 @@
 let wasm;
 
+const heap = new Array(128).fill(undefined);
+
+heap.push(undefined, null, true, false);
+
+function getObject(idx) { return heap[idx]; }
+
+let heap_next = heap.length;
+
+function dropObject(idx) {
+    if (idx < 132) return;
+    heap[idx] = heap_next;
+    heap_next = idx;
+}
+
+function takeObject(idx) {
+    const ret = getObject(idx);
+    dropObject(idx);
+    return ret;
+}
+
 const cachedTextDecoder = (typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-8', { ignoreBOM: true, fatal: true }) : { decode: () => { throw Error('TextDecoder not available') } } );
 
 if (typeof TextDecoder !== 'undefined') { cachedTextDecoder.decode(); };
@@ -18,12 +38,6 @@ function getStringFromWasm0(ptr, len) {
     return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
 }
 
-const heap = new Array(128).fill(undefined);
-
-heap.push(undefined, null, true, false);
-
-let heap_next = heap.length;
-
 function addHeapObject(obj) {
     if (heap_next === heap.length) heap.push(heap.length + 1);
     const idx = heap_next;
@@ -33,20 +47,6 @@ function addHeapObject(obj) {
     return idx;
 }
 
-function getObject(idx) { return heap[idx]; }
-
-function dropObject(idx) {
-    if (idx < 132) return;
-    heap[idx] = heap_next;
-    heap_next = idx;
-}
-
-function takeObject(idx) {
-    const ret = getObject(idx);
-    dropObject(idx);
-    return ret;
-}
-
 function debugString(val) {
     // primitive types
     const type = typeof val;
@@ -200,7 +200,7 @@ function makeMutClosure(arg0, arg1, dtor, f) {
 
     return real;
 }
-function __wbg_adapter_12(arg0, arg1, arg2) {
+function __wbg_adapter_16(arg0, arg1, arg2) {
     wasm.__wbindgen_export_3(arg0, arg1, addHeapObject(arg2));
 }
 
@@ -575,6 +575,9 @@ async function __wbg_load(module, imports) {
 function __wbg_get_imports() {
     const imports = {};
     imports.wbg = {};
+    imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
+        takeObject(arg0);
+    };
     imports.wbg.__wbg_new_39e958ac9d5cae7d = function() { return handleError(function (arg0, arg1) {
         const ret = new WebSocket(getStringFromWasm0(arg0, arg1));
         return addHeapObject(ret);
@@ -677,9 +680,34 @@ function __wbg_get_imports() {
     imports.wbg.__wbg_send_737fddb36434277e = function() { return handleError(function (arg0, arg1, arg2) {
         getObject(arg0).send(getArrayU8FromWasm0(arg1, arg2));
     }, arguments) };
-    imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
-        takeObject(arg0);
+    imports.wbg.__wbg_self_b9aad7f1c618bfaf = function() { return handleError(function () {
+        const ret = self.self;
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_window_55e469842c98b086 = function() { return handleError(function () {
+        const ret = window.window;
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_globalThis_d0957e302752547e = function() { return handleError(function () {
+        const ret = globalThis.globalThis;
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_global_ae2f87312b8987fb = function() { return handleError(function () {
+        const ret = global.global;
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbindgen_is_undefined = function(arg0) {
+        const ret = getObject(arg0) === undefined;
+        return ret;
     };
+    imports.wbg.__wbg_newnoargs_e643855c6572a4a8 = function(arg0, arg1) {
+        const ret = new Function(getStringFromWasm0(arg0, arg1));
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_call_f96b398515635514 = function() { return handleError(function (arg0, arg1) {
+        const ret = getObject(arg0).call(getObject(arg1));
+        return addHeapObject(ret);
+    }, arguments) };
     imports.wbg.__wbindgen_debug_string = function(arg0, arg1) {
         const ret = debugString(getObject(arg1));
         const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_export_0, wasm.__wbindgen_export_1);
@@ -690,12 +718,24 @@ function __wbg_get_imports() {
     imports.wbg.__wbindgen_throw = function(arg0, arg1) {
         throw new Error(getStringFromWasm0(arg0, arg1));
     };
-    imports.wbg.__wbindgen_closure_wrapper1471 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 8, __wbg_adapter_12);
+    imports.wbg.__wbindgen_object_clone_ref = function(arg0) {
+        const ret = getObject(arg0);
         return addHeapObject(ret);
     };
-    imports.wbg.__wbindgen_closure_wrapper1473 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 8, __wbg_adapter_12);
+    imports.wbg.__wbg_performance_e5eb61626698b7a4 = function(arg0) {
+        const ret = getObject(arg0).performance;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_now_928014da6271b17c = function(arg0) {
+        const ret = getObject(arg0).now();
+        return ret;
+    };
+    imports.wbg.__wbindgen_closure_wrapper1481 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 8, __wbg_adapter_16);
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbindgen_closure_wrapper1483 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 8, __wbg_adapter_16);
         return addHeapObject(ret);
     };
 

src/rust/long_term_stats/wasm_pipe/Cargo.toml

@@ -14,6 +14,7 @@ serde_cbor = "0" # For RFC8949/7409 format C binary objects
 wasm_pipe_types = { path = "../wasm_pipe_types" }
 serde_json = "1.0.96"
 thiserror = "1.0.44"
+web-time = "0.2"
 
 [dependencies.web-sys]
 version = "0.3.22"

src/rust/long_term_stats/wasm_pipe/src/conduit.rs

@@ -83,7 +83,7 @@ struct Conduit {
     status: ConnectionStatus,
     socket: Option<WebSocket>,
     url: String,
-    message_queue: VecDeque<Vec<u8>>,
+    message_queue: VecDeque<WsRequestMessage>,
 }
 
 impl Conduit {
@@ -169,11 +169,7 @@ impl Conduit {
     }
 
     fn enqueue_message(&mut self, message: WsRequestMessage) {
-        let serialized = message.serialize();
-        match serialized {
-            Ok(msg) => self.message_queue.push_back(msg),
-            Err(e) => log(&format!("Error enqueing message: {:?}", e)),
-        }
+        self.message_queue.push_back(message);
     }
 
     fn send_queue(&mut self) {
@@ -182,16 +178,29 @@ impl Conduit {
             return;
         }
 
+        // Kill old messages, to avoid a flood on reconnect
+        self.message_queue.retain(|msg| msg.submitted.elapsed().as_secs_f32() < 10.0);
+        log(&format!("{} Enqueued Messages", self.message_queue.len()));
+
         // Send queued messages
         if let Some(ws) = &mut self.socket {
             while let Some(msg) = self.message_queue.pop_front() {
-                log(&format!("Sending message: {msg:?}"));
+                let msg = msg.serialize();
+                log("Message Serialized");
+                match msg {
+                    Ok(msg) => {
                         if let Err(e) = ws.send_with_u8_array(&msg) {
                             log(&format!("Error sending message: {e:?}"));
                             self.status = ConnectionStatus::New;
                             break;
                         }
                     }
+                    Err(e) => {
+                        log(&format!("Serialization error: {e:?}"));
+                    }
+                }
+                
+            }
         } else {
             log("No WebSocket connection");
             let _  = self.connect();

src/rust/long_term_stats/wasm_pipe/src/message.rs

@@ -1,5 +1,6 @@
 use thiserror::Error;
 use wasm_pipe_types::{WasmRequest, WasmResponse};
+use web_time::Instant;
 
 #[derive(Error, Debug)]
 pub enum MessageError {
@@ -26,15 +27,21 @@ impl WsResponseMessage {
     }
 }
 
-pub struct WsRequestMessage(pub WasmRequest);
+pub struct WsRequestMessage {
+    pub message: WasmRequest,
+    pub submitted: Instant,
+}
 
 impl WsRequestMessage {
     pub fn new(msg: WasmRequest) -> Self {
-        Self(msg)
+        Self {
+            message: msg,
+            submitted: Instant::now(),
+        }
     }
 
     pub fn serialize(&self) -> Result<Vec<u8>, MessageError> {
-        let cbor = serde_cbor::to_vec(&self.0).map_err(|_| MessageError::Serialize)?;
+        let cbor = serde_cbor::to_vec(&self.message).map_err(|_| MessageError::Serialize)?;
         Ok(miniz_oxide::deflate::compress_to_vec(&cbor, 8))
     }
 }