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Added metadate structure to propagation node announces

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This commit is contained in:
Mark Qvist 2025-10-30 16:43:26 +01:00
commit d8b25e092f
4 changed files with 37 additions and 20 deletions
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26
LXMF/LXMF.py
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@ -91,6 +91,17 @@ RENDERER_MICRON = 0x01
RENDERER_MARKDOWN = 0x02
RENDERER_BBCODE = 0x03
# Optional propagation node metadata fields. These
# fields may be highly unstable in allocation and
# availability until the version 1.0.0 release, so use
# at your own risk until then, and expect changes!
PN_META_VERSION = 0x00
PN_META_NAME = 0x01
PN_META_SYNC_STRATUM = 0x02
PN_META_SYNC_THROTTLE = 0x03
PN_META_AUTH_BAND = 0x04
PN_META_UTIL_PRESSURE = 0x05
##########################################################
# The following helper functions makes it easier to #
# handle and operate on LXMF data in client programs #
@ -138,19 +149,20 @@ def stamp_cost_from_app_data(app_data=None):
def pn_announce_data_is_valid(data):
try:
if type(data) == bytes: data = msgpack.unpackb(data)
if len(data) < 5: raise ValueError("Invalid announce data: Insufficient peer data")
if len(data) < 6: raise ValueError("Invalid announce data: Insufficient peer data")
else:
if data[0] != True and data[0] != False: raise ValueError("Invalid announce data: Indeterminate propagation node status")
try: int(data[1])
except: raise ValueError("Invalid announce data: Could not decode peer timebase")
if type(data[0]) != dict: raise ValueError("Invalid announce data: Could not decode peer metadata")
if data[1] != True and data[1] != False: raise ValueError("Invalid announce data: Indeterminate propagation node status")
try: int(data[2])
except: raise ValueError("Invalid announce data: Could not decode peer propagation transfer limit")
except: raise ValueError("Invalid announce data: Could not decode peer timebase")
try: int(data[3])
except: raise ValueError("Invalid announce data: Could not decode peer propagation transfer limit")
try: int(data[4])
except: raise ValueError("Invalid announce data: Could not decode peer propagation sync limit")
if type(data[4]) != list: raise ValueError("Invalid announce data: Could not decode peer stamp costs")
try: int(data[4][0])
try: int(data[5][0])
except: raise ValueError("Invalid announce data: Could not decode peer target stamp cost")
try: int(data[4][1])
try: int(data[5][1])
except: raise ValueError("Invalid announce data: Could not decode peer stamp cost flexibility")
except Exception as e: