/// <summary>
/// Invoke remote method and get the result.
/// </summary>
/// <typeparam name="T">The return type.</typeparam>
/// <param name="serviceName">The name of the service</param>
/// <param name="methodName">The method name to call.</param>
/// <param name="args">The parameters of the method.</param>
/// <param name="cancellationToken">The cancellation token which can cancel this method.</param>
/// <returns>The result value.</returns>
public async Task <T> InvokeAsync <T>(string serviceName, string methodName, object[] args, CancellationToken cancellationToken = default)
{
var id = Interlocked.Increment(ref _requestId);
var request = new JsonRpcRequest(id, methodName, new JsonRpcRequestParameter(RequestParameterType.Object, args));
var requestData = await JsonRpcCodec.EncodeRequestsAsync(new[] { request }, cancellationToken).ConfigureAwait(false);
var responseData = await ProcessAsync(serviceName, requestData, cancellationToken).ConfigureAwait(false);
var responses = await JsonRpcCodec.DecodeResponsesAsync(responseData, cancellationToken).ConfigureAwait(false);
if (responses.Length > 0)
{
var response = responses[0];
var responseId = Convert.ToInt32(response.Id);
if (responseId != id)
{
throw new InvalidOperationException("Response id is not matched.");
}
if (response.Result is RpcException exception)
{
throw exception;
}
var resultString = (string)response.Result;
using var utf8StringData = Utf8StringData.Get(resultString);
return(await JsonSerializer.DeserializeAsync <T>(utf8StringData.Stream, JsonRpcConvertSettings.SerializerOptions, cancellationToken).ConfigureAwait(false));
}
throw new InvalidOperationException("Fail to get invoke result from server.");
}
/// <summary>
/// Invoke remote method without result.
/// </summary>
/// <param name="serviceName">The name of the service</param>
/// <param name="methodName">The method name to call.</param>
/// <param name="cancellationToken">The cancellation token which can cancel this method.</param>
/// <param name="args">The parameters of the method.</param>
/// <returns>Void</returns>
public async Task VoidInvokeAsync(string serviceName, string methodName, CancellationToken cancellationToken, params object[] args)
{
var id = Interlocked.Increment(ref _requestId);
var request = new JsonRpcRequest(id, methodName, new JsonRpcRequestParameter(RequestParameterType.Object, args));
var requestData = await JsonRpcCodec.EncodeRequestsAsync(new[] { request }, cancellationToken).ConfigureAwait(false);
var responseData = await ProcessAsync(serviceName, requestData, cancellationToken).ConfigureAwait(false);
var responses = await JsonRpcCodec.DecodeResponsesAsync(responseData, cancellationToken).ConfigureAwait(false);
if (responses.Length > 0)
{
var response = responses[0];
var responseId = Convert.ToInt32(response.Id);
if (responseId != id)
{
throw new InvalidOperationException("Response id is not matched.");
}
if (response.Result is RpcException exception)
{
throw exception;
}
var resultString = (string)response.Result;
if (resultString != "null")
{
throw new InvalidOperationException("The result from server is not [null]");
}
}
else
{
throw new InvalidOperationException("Fail to get invoke result from server.");
}
}