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Cleanup

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This commit is contained in:
Mark Qvist 2018-04-25 12:23:56 +02:00
parent 58431ee244
commit dc86f6884a
1 changed files with 29 additions and 23 deletions
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52
RNS/Packet.py
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@ -3,13 +3,14 @@ import time
import RNS
class Packet:
# Constants
DATA = 0x00
ANNOUNCE = 0x01
LINKREQUEST = 0x02
PROOF = 0x03
# Packet types
DATA = 0x00 # Data packets
ANNOUNCE = 0x01 # Announces
LINKREQUEST = 0x02 # Link requests
PROOF = 0x03 # Proofs
types = [DATA, ANNOUNCE, LINKREQUEST, PROOF]
# Header types
HEADER_1 = 0x00 # Normal header format
HEADER_2 = 0x01 # Header format used for link packets in transport
HEADER_3 = 0x02 # Reserved
@ -17,27 +18,32 @@ class Packet:
header_types = [HEADER_1, HEADER_2, HEADER_3, HEADER_4]
# Context types
NONE = 0x00
RESOURCE = 0x01
RESOURCE_ADV = 0x02
RESOURCE_REQ = 0x03
RESOURCE_HMU = 0x04
RESOURCE_PRF = 0x05
RESOURCE_ICL = 0x06
RESOURCE_RCL = 0x07
CACHE_REQUEST = 0x08
REQUEST = 0x09
RESPONSE = 0x0A
COMMAND = 0x0B
COMMAND_STAT = 0x0C
KEEPALIVE = 0xFC
LINKCLOSE = 0xFD
LRRTT = 0xFE
LRPROOF = 0xFF
NONE = 0x00 # Generic data packet
RESOURCE = 0x01 # Packet is part of a resource
RESOURCE_ADV = 0x02 # Packet is a resource advertisement
RESOURCE_REQ = 0x03 # Packet is a resource part request
RESOURCE_HMU = 0x04 # Packet is a resource hashmap update
RESOURCE_PRF = 0x05 # Packet is a resource proof
RESOURCE_ICL = 0x06 # Packet is a resource initiator cancel message
RESOURCE_RCL = 0x07 # Packet is a resource receiver cancel message
CACHE_REQUEST = 0x08 # Packet is a cache request
REQUEST = 0x09 # Packet is a request
RESPONSE = 0x0A # Packet is a response to a request
COMMAND = 0x0B # Packet is a command
COMMAND_STATUS = 0x0C # Packet is a status of an executed command
KEEPALIVE = 0xFC # Packet is a keepalive packet
LINKCLOSE = 0xFD # Packet is a link close message
LRRTT = 0xFE # Packet is a link request round-trip time measurement
LRPROOF = 0xFF # Packet is a link request proof
# This is used to calculate allowable
# payload sizes
HEADER_MAXSIZE = 23
# Defaults
# TODO: This should be calculated
# more intelligently
# Default packet timeout
TIMEOUT = 60
def __init__(self, destination, data, packet_type = DATA, context = NONE, transport_type = RNS.Transport.BROADCAST, header_type = HEADER_1, transport_id = None):