MessageEntry (Python)

When receive(), fetch(), or listen() methods return a payload, they return a MessageEntry object. If no payload is available, they return None.

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Attributes

Attribute	Type	Description
source	str	Identifier of the original sending application client
destination	str	Identifier of the intended receiving application client
payload	bytes	The raw payload bytes
payload_size	int	The original size of the payload in bytes

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Example

entry = nsb_conn.receive()
if entry:
    print(f"Source:       {entry.source}")
    print(f"Destination:  {entry.destination}")
    print(f"Payload size: {entry.payload_size}")
    print(f"Payload:      {entry.payload}")

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Go Deeper

• NSBAppClient — receive() returns this object
• NSBSimClient — fetch() returns this object
• C++ MessageEntry — the equivalent struct in C++