public IDictionary <Type, string> GenerateHandler(
GrpcOptions options, GrpcClient client, ref CodeBuilder codeBuilder)
{
var types = options.GetKServicers();
var grpcServiceDic = new Dictionary <Type, string>();
foreach (var typeService in types)
{
var className = $"{typeService.Name}GrpcService";
var classDescripter = new ClassDescripter(className, codeBuilder.Namespace)
.SetBaseType(typeService.Name)
.AddUsing("System.Threading.Tasks", typeService.Namespace)
.AddUsing("Kadder")
.SetAccess(AccessType.Public);
grpcServiceDic.Add(typeService, $"{codeBuilder.Namespace}.{className}");
var baseInterfaces = typeService.GetInterfaces();
foreach (var method in typeService.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.DeclaredOnly))
{
var notGrpcMethodCount = method.CustomAttributes.Count(
p => p.AttributeType == typeof(NotGrpcMethodAttribute));
if (notGrpcMethodCount > 0)
{
continue;
}
var parameters = RpcParameterInfo.Convert(method.GetParameters());
if (parameters.Count == 0)
{
var emptyMessageType = typeof(EmptyMessage);
parameters.Add(new RpcParameterInfo()
{
Name = emptyMessageType.Name,
ParameterType = emptyMessageType,
IsEmpty = true
});
}
var requestName = parameters[0].ParameterType.Name.ToLower();
var responseType = GetMethodReturn(method);
var returnTypeCode = $"new Task<{responseType.Name}>";
var returnCode = "return ";
var requestCode = requestName;
if (parameters[0].IsEmpty)
{
requestCode = "new EmptyMessage()";
}
if (responseType.IsEmpty)
{
returnTypeCode = $"new {method.ReturnType.Name}";
returnCode = string.Empty;
}
var methodName = method.Name.Replace("Async", "");
var methodDescripter = new MethodDescripter(method.Name, true)
.SetAccess(AccessType.Public)
.SetReturn(returnTypeCode)
.AppendCode($@"var client = GrpcClientExtension.ClientDic[""{client.ID.ToString()}""];")
.AppendCode($@"{returnCode}await client.CallAsync<{parameters[0].ParameterType.Name},{responseType.Name}>({requestCode}, ""{methodName}"", ""{typeService.Name}"");");
if (!parameters[0].IsEmpty)
{
methodDescripter.SetParams(new ParameterDescripter(parameters[0].ParameterType.Name, requestName));
}
classDescripter.CreateMember(methodDescripter)
.AddUsing(responseType.Namespace).AddUsing(parameters[0].ParameterType.Namespace);
}
codeBuilder.CreateClass(classDescripter)
.AddAssemblyRefence(typeService.Assembly.Location);
}
codeBuilder.AddAssemblyRefence(this.GetType().Assembly.Location);
return(grpcServiceDic);
}
private static MethodDescripter GenerateNoGrpcMethod(MethodInfo method, ClassDescripter classDescripter, CodeBuilder codeBuilder)
{
var methodDescripter = new MethodDescripter(method.Name)
.SetAccess(AccessType.Public)
.SetReturn(GetReturnName(method.ReturnType))
.AppendCode("throw new System.NotImplementedException();");
var parameterDescripters = new List <ParameterDescripter>();
foreach (var param in method.GetParameters())
{
parameterDescripters.Add(new ParameterDescripter(GetReturnName(param.ParameterType), param.Name));
codeBuilder.AddAssemblyRefence(param.ParameterType.Assembly);
}
methodDescripter.SetParams(parameterDescripters.ToArray());
return(methodDescripter);
string GetReturnName(Type type)
{
codeBuilder.AddAssemblyRefence(type.Assembly);
if (type.IsGenericType)
{
var typeName = $"{type.FullName.Split('`')[0]}<";
foreach (var itemType in type.GenericTypeArguments)
{
typeName += $"{GetReturnName(itemType)},";
}
return($"{typeName.Remove(typeName.Length-1)}>");
}
else if (type.IsValueType || type.Name.StartsWith("String"))
{
switch (type.Name)
{
case "Int16": return("short");
case "Int32": return("int");
case "Int64": return("long");
case "UInt16": return("ushort");
case "UInt32": return("uint");
case "UInt64": return("ulong");
case "String": return("string");
case "Double": return("double");
case "Single": return("float");
case "Decimal": return("decimal");
case "Boolean": return("bool");
default: return(string.Empty);
}
}
else
{
return(type.FullName);
}
}
}