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add sdt get sessions data decoding

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This commit is contained in:
Joel Wetzell
2024-12-07 11:36:11 -06:00
parent 10403a49ca
commit af67fe3cfe
3 changed files with 20 additions and 10 deletions
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packages/acn/src/models.ts
+5 -1
View File
@@ -111,10 +111,14 @@ export type SDTAckData = {
reliableSequenceNumber: number;
};
export type SDTGetSessionsData = {
componentID: string;
};
export type SessionDataTransportPDU = {
vector: SessionDataTransportVectors;
// TODO(jwetzell): cleanup these types
data: SDTJoinData | SDTJoinAcceptData | SDTJoinRefuseData | SDTWrapperData | SDTAckData | SDTLeavingData | Uint8Array;
data: SDTJoinData | SDTJoinAcceptData | SDTJoinRefuseData | SDTWrapperData | SDTAckData | SDTLeavingData | SDTGetSessionsData | Uint8Array;
};
export type SDTClientBlock = {
packages/acn/src/pdu/sdt.ts
+7 -1
View File
@@ -1,6 +1,7 @@
import {
Protocols,
SDTAckData,
SDTGetSessionsData,
SDTJoinAcceptData,
SDTJoinData,
SDTJoinRefuseData,
@@ -124,7 +125,7 @@ function decodeClientBlock(bytes: Uint8Array) {
function decodeData(
vector: SessionDataTransportVectors,
bytes: Uint8Array
): SDTJoinData | SDTJoinAcceptData | SDTJoinRefuseData | SDTWrapperData | SDTAckData | SDTLeavingData | Uint8Array {
): SDTJoinData | SDTJoinAcceptData | SDTJoinRefuseData | SDTWrapperData | SDTAckData | SDTLeavingData | SDTGetSessionsData | Uint8Array {
const view = new DataView(bytes.buffer, bytes.byteOffset, bytes.byteLength);
switch (vector) {
case SessionDataTransportVectors.JOIN: {
@@ -209,6 +210,11 @@ function decodeData(
reasonCode: view.getUint8(24),
};
}
case SessionDataTransportVectors.GET_SESSIONS: {
return {
componentID: toHex(bytes.subarray(0, 16))
}
}
default:
console.error(`unhandled SDT vector: ${vector}`);
return bytes;