如何使用TIdHTTPProxyServer（代理链）将请求转发到另一个代理服务器 [英] How do I forward request to another proxy server using TIdHTTPProxyServer (proxy chain)

问题描述

当前，我想让我的Indy代理服务器将请求转发到另一个代理服务器。我找到了此链接，并亲自尝试了一下。但是，如果没有任何错误消息，我的代码将无法正常工作，就像我没有进行任何更改一样。我的代码如下在C ++ XE2中。

currently I want to make my indy proxy server forward the request to another proxy server. I have found this link and made a try by myself. But my code does not work without any error message as if I had made no change. My code is as below in C++ XE2.

void __fastcall TForm3::MyProxyHTTPBeforeCommand(TIdHTTPProxyServerContext *AContext)
{
    TIdIOHandlerStack* tempIO = new TIdIOHandlerStack(NULL);

    TIdConnectThroughHttpProxy* tempProxy = new TIdConnectThroughHttpProxy(NULL);
    tempProxy->Enabled = true;
    tempProxy->Host = "localhost";
    tempProxy->Port = 8181 ;
    tempIO->TransparentProxy  =  tempProxy;
    AContext->OutboundClient->IOHandler =  tempIO;

}

推荐答案

最后我发现我做了一些愚蠢的事情。正确的代码应如下所示……

Finally I found I did something stupid. The correct code should be as follow...

void __fastcall TForm3::MyProxyHTTPBeforeCommand(TIdHTTPProxyServerContext *AContext)
{
    TIdIOHandlerStack* tempIO = new TIdIOHandlerStack(AContext->OutboundClient);

    TIdConnectThroughHttpProxy* tempProxy = new TIdConnectThroughHttpProxy(AContext->OutboundClient);
    tempProxy->Enabled = true;
    tempProxy->Host = "localhost";
    tempProxy->Port = 8181 ;
    tempIO->TransparentProxy  =  tempProxy;
    AContext->OutboundClient->IOHandler =  tempIO;

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