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  1. Acquire Protobuf libraries for the target language of choice.

  2. Download the latest release of Geode and start a Geode server with the following gfsh commands:

    Start Server
    gfsh>start locator --name=locator --bind-address=localhost --port=10334
...
gfsh>start server --name=server --server-port=40404 --bind-address=localhost
...
gfsh>create region --name=SampleData --type=REPLICATE
Member | Status
------ | ----------------------------------------
server | Region "/SampleData" created on "server"
  3. Locate Protobuf message definition artifact from the downloaded Geode release. Directory $GEODE_HOME/tools/ClientProtocol/geode-protobuf-definitions-{versionNumber}.zip

  4. Unzip protobuf protocol message definitions. Using the relevant target language Protobuf library, generate the language bindings from the message definitions.

  5. Create your application that connects a TCP socket to the server running on the localhost, on port 40404.
  6. Write byte 110 to the socket.
  7. Build a handshake request message and write it in a delimited fashion to the socket.
  8. Read the handshake response message in a delimited fashion from the socket and check the response for success.

  9. Build a put request message to put the value bar for the key foo and write it in a delimited fashion to the socket.

    putRequest
    putRequest {
  regionName: "testRegion"
  entry {
    key {
      stringResult: "foo"
    }
    value {
      stringResult: "bar"
    }
  }
}

  10. Read the put response message in a delimited fashion from the socket and verify the put with the following gfsh command:

    Verify Put
    gfsh>get --region=SampleData --key=foo
Result      : true
Key Class   : java.lang.String
Key         : foo
Value Class : java.lang.String
Value       : bar

 

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