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[fix](trx-frontend-http): batch decode history replay

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Replay decode history in decoder-specific batches instead of feeding every
message through the single-message path.

This reduces per-message array churn and UI scheduling during large history
loads while keeping the existing live decode behavior unchanged.

Co-authored-by: OpenAI Codex <codex@openai.com>
Signed-off-by: Stan Grams <sjg@haxx.space>
This commit is contained in:
Stan Grams
2026-03-14 17:56:28 +01:00
parent 4114e0b9fa
commit abae110ecd
7 changed files with 364 additions and 112 deletions
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src/trx-client/trx-frontend/trx-frontend-http/assets/web/app.js
+50 -4
View File
@@ -7325,8 +7325,44 @@ function dispatchDecodeMessage(msg) {
if (msg.type === "wspr" && window.onServerWspr) window.onServerWspr(msg);
}
const DECODE_HISTORY_MAX_BATCH = 12;
const DECODE_HISTORY_SLICE_BUDGET_MS = 6;
function dispatchDecodeBatch(batch) {
if (!Array.isArray(batch) || batch.length === 0) return;
const type = String(batch[0]?.type || "");
const uniformType = batch.every((msg) => String(msg?.type || "") === type);
if (uniformType) {
if (type === "ais" && window.onServerAisBatch) {
window.onServerAisBatch(batch);
return;
}
if (type === "vdes" && window.onServerVdesBatch) {
window.onServerVdesBatch(batch);
return;
}
if (type === "aprs" && window.onServerAprsBatch) {
window.onServerAprsBatch(batch);
return;
}
if (type === "hf_aprs" && window.onServerHfAprsBatch) {
window.onServerHfAprsBatch(batch);
return;
}
if (type === "ft8" && window.onServerFt8Batch) {
window.onServerFt8Batch(batch);
return;
}
if (type === "wspr" && window.onServerWsprBatch) {
window.onServerWsprBatch(batch);
return;
}
}
for (const msg of batch) {
dispatchDecodeMessage(msg);
}
}
const DECODE_HISTORY_MAX_BATCH = 256;
const DECODE_HISTORY_TYPE_BATCH_LIMIT = 192;
const DECODE_HISTORY_SLICE_BUDGET_MS = 10;
function scheduleDecodeHistoryDrainStep(callback) {
if (typeof callback !== "function") return;
@@ -7343,9 +7379,19 @@ function drainDecodeHistory(buffer, index, onDone, onProgress) {
: 0;
let nextIndex = index;
while (nextIndex < buffer.length) {
dispatchDecodeMessage(buffer[nextIndex]);
const batchStart = nextIndex;
const batchType = String(buffer[nextIndex]?.type || "");
nextIndex += 1;
if (nextIndex - index >= DECODE_HISTORY_MAX_BATCH) break;
while (
nextIndex < buffer.length
&& (nextIndex - batchStart) < DECODE_HISTORY_TYPE_BATCH_LIMIT
&& (nextIndex - index) < DECODE_HISTORY_MAX_BATCH
&& String(buffer[nextIndex]?.type || "") === batchType
) {
nextIndex += 1;
}
dispatchDecodeBatch(buffer.slice(batchStart, nextIndex));
if ((nextIndex - index) >= DECODE_HISTORY_MAX_BATCH) break;
if (startedAt > 0 && (performance.now() - startedAt) >= DECODE_HISTORY_SLICE_BUDGET_MS) break;
}
if (typeof onProgress === "function") {