ostinato.protocols.tcp_pb2 module

To add and configure Tcp in a stream, add a protocol to the stream, set the protocol id to ost_pb.Protocol.kTcpFieldNumber and access the Tcp object from the Protocol object's Extensions dictionary using the key tcp_pb2.tcp

from ostinato.protocols import tcp_pb2
...
# stream is an object of type ost_pb.Stream
proto = stream.protocol.add()
proto.protocol_id.id = ost_pb.Protocol.kTcpFieldNumber
my_tcp = proto.Extensions[tcp_pb2.tcp]

You can then set Tcp attributes using my_tcp.<attribute>

Tcp class

Class attributes

is_override_src_port

Tcp.is_override_src_port : boolean

Optional. If not set, defaults to False.

is_override_dst_port

Tcp.is_override_dst_port : boolean

Optional. If not set, defaults to False.

is_override_hdrlen

Tcp.is_override_hdrlen : boolean

Optional. If not set, defaults to False.

is_override_cksum

Tcp.is_override_cksum : boolean

Optional. If not set, defaults to False.

src_port

Tcp.src_port : long

Optional. If not set, defaults to 49152.

dst_port

Tcp.dst_port : long

Optional. If not set, defaults to 49153.

seq_num

Tcp.seq_num : long

Optional. If not set, defaults to 129018.

ack_num

Tcp.ack_num : long

Optional. If not set, defaults to 0.

hdrlen_rsvd

Tcp.hdrlen_rsvd : long

Optional. If not set, defaults to 80.

flags

Tcp.flags : long

Optional. If not set, defaults to 0.

window

Tcp.window : long

Optional. If not set, defaults to 1024.

cksum

Tcp.cksum : long

Optional. If not set, defaults to 0.

urg_ptr

Tcp.urg_ptr : long

Optional. If not set, defaults to 0.

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