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program fbeventstest;
{$mode delphi}{$H+}
uses
{$IFDEF UNIX}
cthreads,
{$ENDIF}
Classes,sysutils,
FBEventMonitor,ibconnection,sqldb;
const
MAXEVENTS=35;
NUMTESTS=100;
type
{ TMyEventAlert }
TMyEventAlert=class
class procedure OnFBEvent(Sender: TObject; EventName: string; EventCount: longint;
var CancelAlerts: boolean);
end;
var
EvSent,EvReceived:Array [1..MAXEVENTS] of integer;
TotalRecieved:integer;
function testNEvents(IBConnection:TIBConnection;n:integer):boolean;
var
EventsM:TFBEventMonitor;
i,j,k:integer;
IBConnection2:TIBConnection;
bExpectEvents:boolean;
begin
IBConnection.Close;
//Create second connection to listen on. Events are not sent to current connection.
IBConnection2:=TIBConnection.Create(nil);
IBConnection2.HostName:=IBConnection.HostName;
IBConnection2.DatabaseName:=IBConnection.DatabaseName;
IBConnection2.UserName:=IBConnection.UserName;
IBConnection2.Password:=IBConnection.Password;
for i:=1 to MAXEVENTS do
begin
EvSent[i]:=0;
EvReceived[i]:=0;
end;
EventsM:=TFBEventMonitor.create(nil);
EventsM.Connection:=IBConnection2;
for i:=1 to n do
EventsM.Events.Add('E'+IntToStr(i));
EventsM.OnEventAlert:=TMyEventAlert.OnFBEvent;
EventsM.RegisterEvents;
i:=NUMTESTS;
TotalRecieved:=0;
bExpectEvents:=false;
Randomize;
IBConnection.Open;
IBConnection.ExecuteDirect('RECREATE PROCEDURE send_custom(event_name varchar(127)) '+
'AS '+
'BEGIN '+
'POST_EVENT event_name; '+
'END ');
IBConnection.Transaction.Commit;
j:=1+random(i); //random number of events per transaction
while i>0 do
begin
k:=1+random(n);
IBConnection.ExecuteDirect('execute PROCEDURE send_custom(''E'+IntTostr(k)+''');');
EvSent[k]:=EvSent[k]+1;
if i<j then
begin
IBConnection.Transaction.Commit;
bExpectEvents:=true;
j:=1+random(i);
end;
if bExpectEvents then
CheckSynchronize;
i:=i-1;
end;
IBConnection.Transaction.Commit;
for i:=1 to 300 do //3 secs max
begin
Sleep(10); //wait until everything received
CheckSynchronize;
if TotalRecieved=NUMTESTS then
break;
end;
result:=true;
for i:=1 to n do
begin
result:=result and (EvSent[i]=EvReceived[i]);
end;
EventsM.Free;
IBConnection2.Free;
IBConnection.Close;
end;
{ TMyEventAlert }
class procedure TMyEventAlert.OnFBEvent(Sender: TObject; EventName: string;
EventCount: longint; var CancelAlerts: boolean);
var i:integer;
begin
i:=StrToInt(copy(EventName,2,2));
EvReceived[i]:=EvReceived[i]+EventCount;
TotalRecieved:=TotalRecieved+EventCount;
end;
var
IBConnection1:TIBConnection;
SQLTransaction1: TSQLTransaction;
i:integer;
begin
if paramcount=0 then
begin
WriteLn('Usage:');
WriteLn(' '+Paramstr(0) +' database [hostname] [username] [password]');
WriteLn(' database : database name.');
WriteLn(' hostname : default localhost');
WriteLn(' username : default SYSDBA.');
WriteLn(' password : default masterkey');
exit;
end;
IBConnection1:=TIBConnection.Create(nil);
SQLTransaction1:= TSQLTransaction.Create(nil);
IBConnection1.Transaction:=SQLTransaction1;
SQLTransaction1.DataBase:=IBConnection1;
IBConnection1.Password:='masterkey';
IBConnection1.UserName:='SYSDBA';
IBConnection1.HostName:='';
if paramcount=4 then
IBConnection1.Password:=paramstr(4);
if paramcount>=3 then
IBConnection1.UserName:=paramstr(3);
if paramcount>=2 then
IBConnection1.HostName:=paramstr(2);
IBConnection1.DatabaseName:=paramstr(1);
for i:=1 to 16 do
begin
if testNEvents(IBConnection1,i) then
WriteLn(inttostr(i)+' succeeded')
else
WriteLn(inttostr(i)+' failed. Missed '+ IntToStr(NUMTESTS-TotalRecieved)+' Events');
end;
SQLTransaction1.Free;
IBConnection1.Free;
WriteLn('Tests finished.');
end.
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