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* added Packet::getRawLength() helper

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This commit is contained in:
Scott Powell
2025-04-11 15:12:04 +10:00
parent 3c7ff8da29
commit ab8cd85d8e
5 changed files with 16 additions and 7 deletions
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4
src/Dispatcher.cpp
View File

@@ -138,7 +138,7 @@ void Dispatcher::checkRecv() {
#if MESH_PACKET_LOGGING
Serial.print(getLogDateTime());
Serial.printf(": RX, len=%d (type=%d, route=%s, payload_len=%d) SNR=%d RSSI=%d score=%d",
2 + pkt->path_len + pkt->payload_len, pkt->getPayloadType(), pkt->isRouteDirect() ? "D" : "F", pkt->payload_len,
pkt->getRawLength(), pkt->getPayloadType(), pkt->isRouteDirect() ? "D" : "F", pkt->payload_len,
(int)pkt->getSNR(), (int)_radio->getLastRSSI(), (int)(score*1000));
static uint8_t packet_hash[MAX_HASH_SIZE];
@@ -153,7 +153,7 @@ void Dispatcher::checkRecv() {
Serial.printf("\n");
}
#endif
logRx(pkt, 2 + pkt->path_len + pkt->payload_len, score); // hook for custom logging
logRx(pkt, pkt->getRawLength(), score); // hook for custom logging
if (pkt->isRouteFlood()) {
n_recv_flood++;

2
src/Mesh.cpp
View File

@@ -15,7 +15,7 @@ bool Mesh::allowPacketForward(const mesh::Packet* packet) {
return false; // by default, Transport NOT enabled
}
uint32_t Mesh::getRetransmitDelay(const mesh::Packet* packet) {
uint32_t t = (_radio->getEstAirtimeFor(packet->path_len + packet->payload_len + 2) * 52 / 50) / 2;
uint32_t t = (_radio->getEstAirtimeFor(packet->getRawLength()) * 52 / 50) / 2;
return _rng->nextInt(0, 5)*t;
}

4
src/Packet.cpp
View File

@@ -10,6 +10,10 @@ Packet::Packet() {
payload_len = 0;
}
int Packet::getRawLength() const {
return 2 + path_len + payload_len + (hasTransCodes() ? 4 : 0);
}
void Packet::calculatePacketHash(uint8_t* hash) const {
SHA256 sha;
uint8_t t = getPayloadType();

5
src/Packet.h
View File

@@ -79,6 +79,11 @@ public:
float getSNR() const { return ((float)_snr) / 4.0f; }
/**
* \returns the encoded/wire format length of this packet
*/
int getRawLength() const;
/**
* \brief save entire packet as a blob
* \param dest (OUT) destination buffer (assumed to be MAX_MTU_SIZE)

8
src/helpers/BaseChatMesh.cpp
View File

@@ -252,7 +252,7 @@ int BaseChatMesh::sendMessage(const ContactInfo& recipient, uint32_t timestamp,
mesh::Packet* pkt = composeMsgPacket(recipient, timestamp, attempt, text, expected_ack);
if (pkt == NULL) return MSG_SEND_FAILED;
uint32_t t = _radio->getEstAirtimeFor(pkt->payload_len + pkt->path_len + 2);
uint32_t t = _radio->getEstAirtimeFor(pkt->getRawLength());
int rc;
if (recipient.out_path_len < 0) {
@@ -279,7 +279,7 @@ int BaseChatMesh::sendCommandData(const ContactInfo& recipient, uint32_t timest
auto pkt = createDatagram(PAYLOAD_TYPE_TXT_MSG, recipient.id, recipient.shared_secret, temp, 5 + text_len);
if (pkt == NULL) return MSG_SEND_FAILED;
uint32_t t = _radio->getEstAirtimeFor(pkt->payload_len + pkt->path_len + 2);
uint32_t t = _radio->getEstAirtimeFor(pkt->getRawLength());
int rc;
if (recipient.out_path_len < 0) {
sendFlood(pkt);
@@ -362,7 +362,7 @@ int BaseChatMesh::sendLogin(const ContactInfo& recipient, const char* password,
auto pkt = createAnonDatagram(PAYLOAD_TYPE_ANON_REQ, self_id, recipient.id, recipient.shared_secret, temp, tlen);
if (pkt) {
uint32_t t = _radio->getEstAirtimeFor(pkt->payload_len + pkt->path_len + 2);
uint32_t t = _radio->getEstAirtimeFor(pkt->getRawLength());
if (recipient.out_path_len < 0) {
sendFlood(pkt);
est_timeout = calcFloodTimeoutMillisFor(t);
@@ -386,7 +386,7 @@ int BaseChatMesh::sendStatusRequest(const ContactInfo& recipient, uint32_t& est
auto pkt = createDatagram(PAYLOAD_TYPE_REQ, recipient.id, recipient.shared_secret, temp, sizeof(temp));
if (pkt) {
uint32_t t = _radio->getEstAirtimeFor(pkt->payload_len + pkt->path_len + 2);
uint32_t t = _radio->getEstAirtimeFor(pkt->getRawLength());
if (recipient.out_path_len < 0) {
sendFlood(pkt);
est_timeout = calcFloodTimeoutMillisFor(t);