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GUVWAF
2025-09-25 19:54:29 +02:00
parent 9b3d76967b
commit 12c3ddf457
2 changed files with 55 additions and 7 deletions
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11
src/mesh/PacketHistory.h
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@@ -4,6 +4,9 @@
// Number of relayers we keep track of. Use 6 to be efficient with memory alignment of PacketRecord to 20 bytes
#define NUM_RELAYERS 6
#define HOP_LIMIT_HIGHEST_MASK 0x07 // Bits 0-2
#define HOP_LIMIT_OUR_TX_MASK 0x38 // Bits 3-5
#define HOP_LIMIT_OUR_TX_SHIFT 3 // Bits 3-5
/**
* This is a mixin that adds a record of past packets we have seen
@@ -16,7 +19,8 @@ class PacketHistory
PacketId id;
uint32_t rxTimeMsec; // Unix time in msecs - the time we received it, 0 means empty
uint8_t next_hop; // The next hop asked for this packet
uint8_t ourTxHopLimit; // The hop limit of the packet when we first transmitted it
uint8_t hop_limit; // bit 0-2: Highest hop limit observed for this packet,
// bit 3-5: our hop limit when we first transmitted it
uint8_t relayed_by[NUM_RELAYERS]; // Array of nodes that relayed this packet
}; // 4B + 4B + 4B + 1B + 1B + 6B = 20B
@@ -39,6 +43,11 @@ class PacketHistory
* @return true if node was indeed a relayer, false if not */
bool wasRelayer(const uint8_t relayer, const PacketRecord &r, bool *wasSole = nullptr);
uint8_t getHighestHopLimit(PacketRecord &r);
void setHighestHopLimit(PacketRecord &r, uint8_t hopLimit);
uint8_t getOurTxHopLimit(PacketRecord &r);
void setOurTxHopLimit(PacketRecord &r, uint8_t hopLimit);
PacketHistory(const PacketHistory &); // non construction-copyable
PacketHistory &operator=(const PacketHistory &); // non copyable
public: