public IServiceEndpointBinder <TService> GenerateServiceEndpointBinder <TService>(Type?serviceInstanceType)
{
if (serviceInstanceType != null && !ServiceContract.IsServiceInstanceType(serviceInstanceType))
{
throw new ArgumentOutOfRangeException(nameof(serviceInstanceType));
}
var serviceType = typeof(TService);
ContractDescription description;
Type contractType;
Type channelType;
lock (ProxyAssembly.SyncRoot)
{
(description, contractType) = GenerateContract(serviceType);
channelType = ProxyAssembly.DefaultModule.GetType(ContractDescription.GetEndpointClassName(serviceType), false, false) !;
if (channelType == null)
{
var serviceBuilder = new EmitServiceEndpointBuilder(description);
channelType = serviceBuilder.Build(ProxyAssembly.DefaultModule, Logger);
}
}
return(new EmitServiceEndpointBinder <TService>(description, serviceInstanceType, contractType, channelType, Logger));
}
internal Type GetServiceInstanceType()
{
var serviceInstanceType = typeof(TService);
if (ServiceContract.IsServiceInstanceType(serviceInstanceType))
{
return(serviceInstanceType);
}
try
{
return(_serviceProvider.GetRequiredService <TService>().GetType());
}
catch (Exception ex)
{
throw new InvalidOperationException(
"A gRPC service binding is registered via {0}. Failed to resolve the implementation: {1}.".FormatWith(serviceInstanceType.GetShortAssemblyQualifiedName(), ex.Message),
ex);
}
}
private IServiceEndpointBinder <TService> GetOrCreateEndpointBinder()
{
if (_endpointBinder != null)
{
return(_endpointBinder);
}
var logger = new LogAdapter(_options?.Logger);
var serviceInstanceType = typeof(TService);
if (!ServiceContract.IsServiceInstanceType(serviceInstanceType))
{
serviceInstanceType = null;
}
return(new EmitGenerator {
Logger = logger
}.GenerateServiceEndpointBinder <TService>(serviceInstanceType));
}
