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pass pointer to UDP multicast packet to protobuf decoder (#6333)

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The packet.readBytes API is not available on all targets:
- RP2040 & RP2340
- yet to be written portduino API

Instead pass the data buffer as-is.
It also removes a memcpy which do not need to exists.

I've tested it successfully on a tbeam.

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
Jorropo
2025-03-17 01:36:33 +01:00
committed by GitHub
parent 96ba94843b
commit af8b64e84e
1 changed files with 2 additions and 4 deletions
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6
src/mesh/udp/UdpMulticastThread.h
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@@ -35,10 +35,8 @@ class UdpMulticastThread : public concurrency::OSThread
size_t packetLength = packet.length();
LOG_DEBUG("UDP broadcast from: %s, len=%u", packet.remoteIP().toString().c_str(), packetLength);
meshtastic_MeshPacket mp;
uint8_t bytes[meshtastic_MeshPacket_size]; // Allocate buffer for the data
size_t packetSize = packet.readBytes(bytes, packet.length());
LOG_DEBUG("Decoding MeshPacket from UDP len=%u", packetSize);
bool isPacketDecoded = pb_decode_from_bytes(bytes, packetLength, &meshtastic_MeshPacket_msg, &mp);
LOG_DEBUG("Decoding MeshPacket from UDP len=%u", packetLength);
bool isPacketDecoded = pb_decode_from_bytes(packet.data(), packetLength, &meshtastic_MeshPacket_msg, &mp);
if (isPacketDecoded && router) {
UniquePacketPoolPacket p = packetPool.allocUniqueCopy(mp);
// Unset received SNR/RSSI