dpp.takclient

This library provides a consistent interface in conjunction with dpp.cot to interface with a TAK server.

Transport Modes

TakClient supports two explicit TAK server transport modes:

• TakTransportMode.StreamingXml
• TakTransportMode.StreamingProtobuf

StreamingXml sends the traditional XML stream format expected by TAK servers:

• XML declaration
• newline
• CoT <event> payload

StreamingProtobuf sends TAK protobuf payloads using the streaming envelope from dpp.cot.

When StreamingProtobuf is selected, the client still begins in XML mode as required by the TAK protocol negotiation flow. If the server advertises protobuf support, TakClient sends a t-x-takp-q request, waits for a t-x-takp-r response, and only then switches the active transport to protobuf.

Receive Behavior

TakClient parses inbound TAK XML stream messages and TAK protobuf streaming frames.

The client exposes:

• MessageReceived for parsed inbound CoT messages
• TransportModeChanged when a negotiated connection switches from XML to protobuf

While a protobuf negotiation request is outstanding, application messages are blocked until the server responds.

Dependency

This library targets dpp.cot 2.0.0.