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trace packet path handling to support multi-byte hash mode

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Lloyd
2026-03-11 11:19:03 +00:00
parent 362a477cdd
commit 155575865a
1 changed files with 15 additions and 3 deletions
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18
repeater/web/api_endpoints.py
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@@ -2076,7 +2076,6 @@ class APIEndpoints:
else:
return self._error("Method not supported")
@cherrypy.expose
@cherrypy.expose
@cherrypy.tools.json_out()
@cherrypy.tools.json_in()
@@ -2134,8 +2133,9 @@ class APIEndpoints:
# Create trace packet
from pymc_core.protocol import PacketBuilder
path_bytes = list(target_hash.to_bytes(byte_count, "big"))
packet = PacketBuilder.create_trace(
tag=trace_tag, auth_code=0x12345678, flags=0x00, path=[target_hash]
tag=trace_tag, auth_code=0x12345678, flags=0x00, path=path_bytes
)
# Wait for response with timeout
@@ -2179,13 +2179,25 @@ class APIEndpoints:
# Calculate round-trip time
rtt_ms = (result["received_at"] - ping_info["sent_at"]) * 1000
# result["path"] is a flat byte list from _parse_trace_payload.
# For multi-byte hash mode, group into byte_count-sized chunks
# before formatting (e.g. [0xb5, 0xd8] → ["0xb5d8"] for 2-byte mode).
raw_path = result["path"]
if byte_count > 1:
grouped_path = [
int.from_bytes(bytes(raw_path[i:i + byte_count]), "big")
for i in range(0, len(raw_path), byte_count)
]
else:
grouped_path = raw_path
return self._success(
{
"target_id": f"0x{target_hash:0{hex_chars}x}",
"rtt_ms": round(rtt_ms, 2),
"snr_db": result["snr"],
"rssi": result["rssi"],
"path": [f"0x{h:0{hex_chars}x}" for h in result["path"]],
"path": [f"0x{h:0{hex_chars}x}" for h in grouped_path],
"tag": trace_tag,
"path_hash_mode": path_hash_mode,
},