protected override void Process(TypeDefinition type)
{
if (!type.Is("ObjCRuntime", "RuntimeOptions"))
{
return;
}
MethodDefinition method = type.Methods.First(x => x.Name == "GetHttpMessageHandler" && !x.HasParameters);
AssemblyDefinition systemNetHTTPAssembly = context.GetAssemblies().First(x => x.Name.Name == "System.Net.Http");
TypeDefinition handler = RuntimeOptions.GetHttpMessageHandler(App, LinkContext.Target.LinkerOptions.RuntimeOptions, systemNetHTTPAssembly.MainModule, type.Module);
MethodReference handler_ctor = handler.Methods.First(x => x.IsConstructor && !x.HasParameters && !x.IsStatic);
// HttpClientHandler is defined in System.Net.Http.dll so we need to import
if (handler.Name.Contains("HttpClientHandler"))
{
handler_ctor = type.Module.ImportReference(handler_ctor);
}
var body = new MethodBody(method);
var il = body.GetILProcessor();
il.Emit(OpCodes.Newobj, handler_ctor);
il.Emit(OpCodes.Ret);
method.Body = body;
}
protected override void Process(TypeDefinition type)
{
if (!type.Is("System.Net.Http", "HttpClient"))
{
return;
}
MethodDefinition default_ctor = null;
MethodDefinition full_ctor = null;
foreach (var m in type.Methods)
{
if (m.IsStatic || !m.IsConstructor)
{
continue;
}
if (!m.HasParameters)
{
default_ctor = m;
}
else if (m.Parameters.Count == 2)
{
full_ctor = m;
}
}
if (default_ctor == null || full_ctor == null)
{
throw new Exception("Could not set the default HttpMessageHandler");
}
var handler = RuntimeOptions.GetHttpMessageHandler(Options.Application, Options.RuntimeOptions, type.Module);
MethodDefinition handler_ctor = null;
foreach (var m in handler.Methods)
{
if (m.IsStatic || !m.IsConstructor || m.HasParameters)
{
continue;
}
handler_ctor = m;
break;
}
// re-write default ctor
var body = new MethodBody(default_ctor);
var il = body.GetILProcessor();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Newobj, handler_ctor);
il.Emit(OpCodes.Ldc_I4_1);
il.Emit(OpCodes.Call, full_ctor);
il.Emit(OpCodes.Ret);
default_ctor.Body = body;
}