/// <summary>
/// Initializes a new instance of the AgentHelloFrame. The agent sends a HELLO frame
/// during the initial handshake with HAProxy.
/// </summary>
/// <param name="supportedSpopVersion">The SPOP version that the agent supports</param>
/// <param name="maxFrameSize">The max size of a frame supported</param>
public AgentHelloFrame(string supportedSpopVersion, uint maxFrameSize, string[] capabilities) : base(FrameType.AgentHello)
{
this.Metadata.Flags.Fin = true;
this.Metadata.Flags.Abort = false;
this.Metadata.StreamId = VariableInt.EncodeVariableInt(0);
this.Metadata.FrameId = VariableInt.EncodeVariableInt(0);
var payload = new KeyValueListPayload();
payload.KeyValueItems.Add("version", new TypedData(DataType.String, supportedSpopVersion));
payload.KeyValueItems.Add("max-frame-size", new TypedData(DataType.Uint32, maxFrameSize));
payload.KeyValueItems.Add("capabilities", new TypedData(DataType.String, string.Join(",", capabilities)));
this.Payload = payload;
}
/// <summary>
/// Initializes a new instance of the AgentDisconnectFrame class. The agent sends
/// a Disconnect frame when it wants to stop communicating with HAProxy.
/// </summary>
/// <param name="status">The status when disconnecting</param>
/// <param name="message">The message to include when disconnecting</param>
public AgentDisconnectFrame(Status status, string message) : base(FrameType.AgentDisconnect)
{
this.Metadata.Flags.Fin = true;
this.Metadata.Flags.Abort = false;
this.Metadata.StreamId = VariableInt.EncodeVariableInt(0);
this.Metadata.FrameId = VariableInt.EncodeVariableInt(0);
var payload = new KeyValueListPayload();
payload.KeyValueItems.Add("status-code", new TypedData(DataType.Uint32, (uint)status));
payload.KeyValueItems.Add("message", new TypedData(DataType.String, message));
this.Payload = payload;
this.Status = status;
}
public void Parse_WhenBufferContainsStringValue_AddsValueToKeyValueItems()
{
// arrange
var kvListPayload = new KeyValueListPayload();
int offset = 0;
var ba = new BitArray(
new bool[] {
false, true, false, false, true, false, false, false, // 01001000
true, true, false, false, true, true, true, false, // 11001110
true, false, true, false, true, true, true, false, // 10101110
false, false, false, false, true, true, true, false, // 00001110
false, false, false, false, true, true, true, false, // 00001110
true, true, true, true, false, true, true, false, // 11110110
false, true, false, false, true, true, true, false, // 01001110
false, false, true, false, true, true, true, false, // 00101110
true, false, true, false, false, true, true, false, // 10100110
false, false, true, false, false, true, true, false, // 00100110
true, false, true, true, false, true, false, false, // 10110100
false, true, true, false, true, true, true, false, // 01101110
true, false, true, false, false, true, true, false, // 10100110
false, true, false, false, true, true, true, false, // 01001110
true, true, false, false, true, true, true, false, // 11001110
true, false, false, true, false, true, true, false, // 10010110
true, true, true, true, false, true, true, false, // 11110110
false, true, true, true, false, true, true, false, // 01110110
true, true, false, false, true, true, true, false, // 11001110
false, false, false, true, false, false, false, false, // 00010000
true, true, false, false, false, false, false, false, // 11000000
false, true, false, false, true, true, false, false, // 01001100
false, true, true, true, false, true, false, false, // 01110100
false, false, false, false, true, true, false, false // 00001100
});
byte[] buffer = new byte[24];
ba.CopyTo(buffer, 0);
// act
kvListPayload.Parse(buffer, ref offset);
// assert
Assert.IsTrue(kvListPayload.KeyValueItems.ContainsKey("supported-versions"));
Assert.AreEqual("2.0", kvListPayload.KeyValueItems["supported-versions"].Value);
}
public void Bytes_WhenContainsStringValue_ReturnsExpectedResult()
{
// arrange
var kvListPayload = new KeyValueListPayload();
kvListPayload.KeyValueItems.Add("supported-versions", new TypedData(DataType.String, "2.0"));
var ba = new BitArray(
new bool[] {
false, true, false, false, true, false, false, false, // 01001000
true, true, false, false, true, true, true, false, // 11001110
true, false, true, false, true, true, true, false, // 10101110
false, false, false, false, true, true, true, false, // 00001110
false, false, false, false, true, true, true, false, // 00001110
true, true, true, true, false, true, true, false, // 11110110
false, true, false, false, true, true, true, false, // 01001110
false, false, true, false, true, true, true, false, // 00101110
true, false, true, false, false, true, true, false, // 10100110
false, false, true, false, false, true, true, false, // 00100110
true, false, true, true, false, true, false, false, // 10110100
false, true, true, false, true, true, true, false, // 01101110
true, false, true, false, false, true, true, false, // 10100110
false, true, false, false, true, true, true, false, // 01001110
true, true, false, false, true, true, true, false, // 11001110
true, false, false, true, false, true, true, false, // 10010110
true, true, true, true, false, true, true, false, // 11110110
false, true, true, true, false, true, true, false, // 01110110
true, true, false, false, true, true, true, false, // 11001110
false, false, false, true, false, false, false, false, // 00010000
true, true, false, false, false, false, false, false, // 11000000
false, true, false, false, true, true, false, false, // 01001100
false, true, true, true, false, true, false, false, // 01110100
false, false, false, false, true, true, false, false // 00001100
});
byte[] expected = new byte[24];
ba.CopyTo(expected, 0);
// assert
Assert.AreEqual(
HelperMethods.ToBitString(expected),
HelperMethods.ToBitString(kvListPayload.Bytes));
}
