[英]Debugging Delphi Firemonkey Indy TCP Server
I have a Delphi Firemonkey application implementing a TCP server. 我有一个实现TCP服务器的Delphi Firemonkey应用程序。 The server is not opening the port as expected.
服务器未按预期打开端口。 I can see the form open but netstat reveals that the port is not opened.
我可以看到该窗体已打开,但netstat显示该端口未打开。 I am now attempting to debug this issue by trying to put log messages.
我现在正尝试通过尝试放置日志消息来调试此问题。
The trouble is I have never used Firemonkey before. 问题是我以前从未使用过Firemonkey。 I am not sure where I can expect to see the log messages.
我不确定在哪里可以看到日志消息。
I have declared a logging service. 我已经声明了日志记录服务。
LoggingService: IFMXLoggingService;
And then I initialize it 然后我初始化它
LoggingService := FMX.Platform.TPlatformServices.Current.GetPlatformService(IFMXLoggingService) as IFMXLoggingService;
And then I call this inside the function Tserver.Execute
to make sure that it is executed. 然后在函数
Tserver.Execute
调用它,以确保它已执行。
if Assigned(LoggingService) then
LoggingService.Log('TserverExecute !',[]);
I am not sure where to expect the output. 我不确定在哪里期望输出。 I have checked various debug terminals, can't seem to find the output string anywhere.
我检查了各种调试终端,似乎无法在任何地方找到输出字符串。 It would be great if someone could point out what I am doing wrong?
有人指出我做错了那太好了吗?
unit Unit1;
interface
uses
System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,
FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs, FMX.Platform,
IdCustomTCPServer, IdTCPServer, IdBaseComponent, IdComponent, IdUDPBase, IdContext,
IdSocketHandle, IdUDPServer, FMX.Controls.Presentation, FMX.StdCtrls;
type
TForm1 = class(TForm)
TCPServer: TIdTCPServer;
Label1: TLabel;
procedure FormCreate(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure TserverExecute(AContext: TIdContext);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
LoggingService: IFMXLoggingService;
implementation
{$R *.fmx}
procedure TForm1.FormCreate(Sender: TObject);
var
Binding : TIdSocketHandle;
begin
LoggingService := FMX.Platform.TPlatformServices.Current.GetPlatformService(IFMXLoggingService) as IFMXLoggingService;
TCPServer.DefaultPort := 16000;
TCPServer.Bindings.Clear;
Binding := TCPServer.Bindings.Add;
Binding.IP := '0.0.0.0';
Binding.Port := 16000;
end;
procedure TForm1.FormShow(Sender: TObject);
begin
TCPServer.Active := True;
end;
procedure TForm1.TserverExecute(AContext: TIdContext);
var
C : String;
begin
C := AContext.Connection.Socket.ReadLn();
if Assigned(LoggingService) then
LoggingService.Log('TserverExecute !',[]);
if C = 'TESTSTRING' then
begin
AContext.Connection.Socket.Writeln('SENT');
end;
end;
end.
I am not sure where to expect the output.
我不确定在哪里期望输出。
The documentation for IFMXLoggingService.Log()
says: IFMXLoggingService.Log()
的文档说:
The Event Log is a window inside the IDE itself (View > Debug Windows > Event Log). 事件日志是IDE本身内部的一个窗口(“查看”>“调试Windows”>“事件日志”)。 It displays log messages generated by an app during a debugging session.
它显示在调试会话期间由应用程序生成的日志消息。 So, you need to run your Firemonkey app inside the debugger in order to see the log messages from
IFMXLoggingService
. 因此,您需要在调试器中运行Firemonkey应用程序,才能查看来自
IFMXLoggingService
的日志消息。
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