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hello list, i am having some trouble with thread sinc in a multithread program i am developing.
the problems is i dont know how many threads i will have in my program, here is some code:
void CAsyncClientDlg::CleanupThread()
{
CString n;
GetDlgItemText(IDC_SIMULTANEOS, n);
int a = _ttoi(n.GetBuffer(n.GetLength()));
for(LONG i=0; i<a; i++)="" {
="" if="" (m_pclientthread[i])
="" {=""
="" (::postthreadmessage(m_pclientthread[i]-="">m_nThreadID, WM_TERM_THREAD, 0, 0) == 0)
TRACE(_TEXT("Thread 0x%02x possibly already terminated\n"), m_pClientThread[i]->m_nThreadID);
// wait up to 1s for secondary threads to terminate
// termEvent will be signaled when thread count reaches 0
if (termEvent.Lock(1000))
TRACE(_TEXT("Threads terminated gracefully\n"));
else
TRACE(_TEXT("WARNING: All secondary thread(s) not gracefully terminated.\n"));
}
}
}
void CAsyncClientDlg::OnConnect()
{
CString str;
GetDlgItemText(IDC_SERVERNAME, str);
CString n;
GetDlgItemText(IDC_SIMULTANEOS, n);
int a = _ttoi(n.GetBuffer(n.GetLength()));
// validate that the number is <= MAX_NUMBER_OF_THREADS
for(LONG variable=0; variable<a; variable++)="" {
=""
="" create="" a="" thread="" to="" handle="" the="" connection.="" is="" created="" suspended="" so="" that="" we="" can
="" set="" variables="" in="" cclientthread="" before="" it="" starts="" executing.
="" cclientthread*="" pthread="(CClientThread*)AfxBeginThread(RUNTIME_CLASS(CClientThread)," thread_priority_normal,="" 0,="" create_suspended);
="" if="" (!pthread)
="" setdlgitemtext(idc_connectionstatus,="" cstring("could="" not="" connected="" ")="" +="" str);
="" trace(_text("could="" thread\n"));
="" return;
="" }
="" trace(_text("casyncclientdlg::onconnect()\n"));
="" getdlgitem(idc_connect)-="">EnableWindow(FALSE);
m_strServerName = str;
pThread->m_strServerName = str; // server machine name
pThread->m_socket.m_pThread = pThread; // the thread that m_socket lives
m_pClientThread[variable] = pThread; // keep a pointer to the connect socket thread
pThread->m_socket.CreateConnector(m_pContext);
// Now start the thread.
pThread->ResumeThread();
}
}
void CAsyncClientDlg::OnDisconnect()
{
CString n;
GetDlgItemText(IDC_SIMULTANEOS, n);
int a = _ttoi(n.GetBuffer(n.GetLength()));
for(LONG i=0; i<a; i++)="" {
="" if="" (m_pclientthread[i])
="" (::postthreadmessage(m_pclientthread[i]-="">m_nThreadID, WM_TERM_THREAD, 0, 0) == 0)
TRACE(_TEXT("Thread 0x%02x possibly already terminated\n"), m_pClientThread[i]->m_nThreadID);
}
}
}
LRESULT CAsyncClientDlg::OnConnectionClose(WPARAM, LPARAM)
{
CString n;
GetDlgItemText(IDC_SIMULTANEOS, n);
int a = _ttoi(n.GetBuffer(n.GetLength()));
for(LONG i=0; i<a; i++)="" {
="" m_pclientthread[i]="NULL;
" }
}
lresult="" casyncclientdlg::onnewmessage(wparam="" wparam,="" lparam)
{
="" cstring="" strrecv="CString((TCHAR" *)wparam);
="" m_received="m_received" +="" strrecv;
="" updatedata(false);
=""
="" return="" 0l;
}
void="" casyncclientdlg::onmail()=""
{
="" n;
="" getdlgitemtext(idc_simultaneos,="" n);
="" int="" a="_ttoi(n.GetBuffer(n.GetLength()));
" for(long="" variable="0;" variable<a;="" variable++)="" if="" (m_pclientthread[variable]="" &&="" (m_pclientthread[variable]-="">m_socket).m_fConnected)
{
CString str, desde, hasta, subject, mensaje, cdesde, cresponder;
GetDlgItemText(IDC_EDESDE, desde);
GetDlgItemText(IDC_ESUBJECT, subject);
GetDlgItemText(IDC_EMENSAJE, mensaje);
GetDlgItemText(IDC_CABDESDE, cdesde);
GetDlgItemText(IDC_CABRESPONDER, cresponder);
str = "ehlo hola\r\n";
(m_pClientThread[variable]->m_socket).Write(str);
str = "auth plain password\r\n";
(m_pClientThread[variable]->m_socket).Write(str);
str = "mail from: <" + desde + ">\r\n"; // nrcpt to: <" + hasta + ">\r\n\r\data\r\nSubject: " + subject + "\r\n\r\n" + mensaje + "\r\n.\r\n";
(m_pClientThread[variable]->m_socket).Write(str);
int numero = m_hasta.GetCount();
for(int k=0; k<numero; k++)="" {
="" m_hasta.gettext(k,="" hasta);
="" str="rcpt to: <" +="" hasta="" "="">\r\n";
(m_pClientThread[variable]->m_socket).Write(str);
MessageBox(hasta);
}
str = "data\r\n";
(m_pClientThread[variable]->m_socket).WriteWebRequest(str);
str = "Subject: " + subject + "\r\n";
(m_pClientThread[variable]->m_socket).Write(str);
str = "From: " + cdesde + "<" + desde + ">\r\n";
(m_pClientThread[variable]->m_socket).Write(str);
str = "In-Reply-To: " + cresponder + "\r\n";
(m_pClientThread[variable]->m_socket).Write(str);
str = "\r\n" + mensaje + "\r\n";
(m_pClientThread[variable]->m_socket).Write(str);
str = "\r\n.\r\n";
(m_pClientThread[variable]->m_socket).Write(str);
str = "quit\r\n";
(m_pClientThread[variable]->m_socket).Write(str);
}
else
{
}
SetDlgItemText(IDC_CONNECTIONSTATUS, "No Connectado");
}
}
The problem is sometimes all the strings on "OnMail" functions goes to the server and i can see the answers on my received windows.
For example when IDC_SIMULTANEOS = 1(1 thread) its works fine.
When threads are bigger than 1 the results on my received window are disordered, here is an example of 2 simultaneous threads sending 3 mails each.
220 mx.gmail.com ESMTP h39sm756279wxd
250-mx.gmail.com at your service
250-SIZE 20971520
250-8BITMIME
250-AUTH LOGIN PLAIN
250 ENHANCEDSTATUSCODES
235 2.7.0 Accepted
250 2.1.0 OK
250 2.1.5 OK
250 2.1.5 OK
250 2.1.5 OK
354 Go ahead
220 mx.gmail.com ESMTP h14sm686078wxd
250-mx.gmail.com at your service
250-SIZE 20971520
250-8BITMIME
250-AUTH LOGIN PLAIN
250 ENHANCEDSTATUSCODES
235 2.7.0 Accepted
250 2.1.0 OK
250 2.0.0 OK 1130593300 h39sm756279wxd
250 2.1.5 OK
250 2.1.5 OK
250 2.1.5 OK
354 Go ahead
250 2.0.0 OK 1130593300 h14sm686078wxd
Thats fine to me, all the commands get executed on the server but sometimes:(same example 2 simultaneous threads sending 3 mails each):
220 mx.gmail.com ESMTP i38sm758995wxd
502 5.5.1 Unrecognized command i38sm758995wxd
250-mx.gmail.com at your service
250-SIZE 20971520
250-8BITMIME
250-AUTH LOGIN PLAIN
250 ENHANCEDSTATUSCODES
235 2.7.0 Accepted
250 2.1.0 OK
250 2.1.5 OK
250 2.1.5 OK
250 2.1.5 OK
354 Go ahead
250 2.0.0 OK 1130593502 i38sm758995wxd
220 mx.gmail.com ESMTP h9sm717398wxd
502 5.5.1 Unrecognized command h9sm717398wxd
250-mx.gmail.com at your service
250-SIZE 20971520
250-8BITMIME
250-AUTH LOGIN PLAIN
250 ENHANCEDSTATUSCODES
The flow was stopped and only 3 mails were send.
My question is why this works well sometimes and sometimes dont if i am inserting the sames values?
I think i can solve it with an event but i dont know where to set and unset.
I search documentation but i never see how to works with threads created like this.
Thanx in advance.
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When does OnMail get called? If it can get called from multiple threads, then that explains the jumbled order. Also, each thread will read whatever is available in the UI at *that* point of time, maybe that explains the "invalid command" errors?
Regards
Senthil
_____________________________
My Blog | My Articles | WinMacro
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thanx for the answer.
onconnect gets called when the users press the "connect botton" and onmail is called when the user press the "sendmail" button.
the invalid commands are becouse in a previous version of the program i put an "\r\n" justo before the "ehlo" and the server take that as invalid.
i think i copy the second receive window that version of the programa but the problem is the same in the new one without the unrecognized commands.
thanx again and i hope help.
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When I am creating ImageList for the listctrl which i am trying to implement in dll is throwing some strange error .
m_cImageList.Create(IDB_BITMAP1, 16, 3, RGB(255, 0, 255));
It is throwing error that IDD_Bitmap1 is undeclared.
please help
|| ART OF LIVING ||
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 hi ,
few hours before i posted a qurey about file transfer for which i was able to find a solution to close and restart soket in each transfer is this right process have u got another solution then reply to me
thanking u
jobythomas24@gmail.com
jiffthomson@rediffmail.com
sujaisundaresan@yahoo.com
rexy1010@yahoo.com
jobythomas
jobythomas24@gmail.com
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i am alone person working on vc++ and really getting head stucked
it seems you are in group ,please take me with you
|| ART OF LIVING ||
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I'm using mciSendString to play an .avi file.
The problem is if i play the file in fullscreen when i click on the screen it came back in windowed mode but it stop the movie.
Why?
How can i avoid to make came back in windowe mode after click when it is fullscreen?
Or how can i handle a function when it happens so to continue to play the movie?
I hope to be explained good, in contrary case please ask me.
Regards.
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hi,
I want to use a .xml file to store data.The data is to be added and retrived using program(MFC).Pls help me...
Im a beginner in pgming.... 
Thanks in advance..
Warier
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did you take a piece of your time to search the site ?
see this[^]...
TOXCCT >>> GEII power
[toxcct][VisualCalc]
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Plz can someone help me? Is it possible to show text in a RichEditCtrl in zoomfactor while editing? (real zoom, not changing fontsize etc)
thx
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I would like to know the simplest way to make a radio button with bitmap on it. Please help!
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if i well remember, you actually trying to put a bitmap on a push-like button (such as a radio or a check box).
you could have a look at my article[^] and look at the "Switch Answers Lists" button.
here is how to proceed. On the OnInitDialog() insert this code :
m_pbAnswersListState = (CButton*) GetDlgItem(IDC_ANSLISTSTATE_CHK);
HICON hIcon;
hIcon = (HICON)LoadImage(AfxGetInstanceHandle(),
MAKEINTRESOURCE(IDI_SWITCH),
IMAGE_ICON,
0,
0,
LR_DEFAULTCOLOR);
if (hIcon) {
m_pbAnswersListState->SendMessage(BM_SETIMAGE, IMAGE_ICON, (LPARAM)hIcon);
}
in my code, IDI_SWITCH is the ID of my icon, and IDC_ANSLISTSTATE_CHK is the ID of my checkbox (work the same with a radio)...
ok, i use an icon ; for a bitmap, just change the IMAGE_ICON parameter with IMAGE_BITMAP and the HICON with HBITMAP.
TOXCCT >>> GEII power
[toxcct][VisualCalc]
-- modified at 8:37 Saturday 29th October, 2005
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I would like to know how it implement with button up image and button down image. Also it seems no change with the radio button.
m_logon.GetDlgItem(IDC_RADIO1);
//...
HBITMAP hIcon;
hIcon = (HBITMAP)LoadImage(AfxGetInstanceHandle(),
MAKEINTRESOURCE("TEST_U"),
IMAGE_BITMAP ,
0,
0,
LR_DEFAULTCOLOR);
if (hIcon)
{ m_logon.SendMessage(BM_SETIMAGE, IMAGE_BITMAP, (LPARAM)hIcon);}
Please help!
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looking here[^] will provide you several sources on the subject.
i especially appreciate this one[^]...
hope it helps
cheers,
TOXCCT >>> GEII power
[toxcct][VisualCalc]
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Your method is OK!
I can place a bitmap on the radio button, but the problem is the shape of the button. I would like to place a round bitmap on it. Also the button up and down will have different bitmap. Please tell me how to do it with your method!
Thank you!
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Thank you for your help!
Is there any simplest method without using other Class to do it as CBitmapbutton or as toxcct's method?
Please help!
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Visual Studio 6 gives the function prototype when you type left paranthesis '(' after the function name. This tip goes away if switch between windows momentorily. Is there any way to get this tip back when you are in the middle of the set of function parameters?
thanks in advance.
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Hi
You can get that tip by press Ctrl+Shift+Space
Iman Ghasrfakhri
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your are too great how you know such minor details
|| ART OF LIVING ||
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shivditya wrote: your are too great how you know such minor details
Practice Man Practice 
"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow
cheers,
Alok Gupta
VC Forum Q&A :- I/ IV
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I am hoping somebody can explain why the following is happening, as it makes very little sense to me.
I have an application that is updating the screen between 10ms sleep states. Depending upon screen size, there are a different number of child windows. These child windows do not overlap each other.
The problem is that when the application is relatively small, the processor is kicking over at about 6%. When the application is maximized, the processor is also kicking over at about 6%. (It seems closer to 4%, though.) Now the kicker - when it is stretched fairly big on the screen, it starts to chew up the processor - up to 20-35%.
When I first started this, the times for the maximized and small windows were about the same - 5~10% processor hit. But the non-maximized, large window time was terrible - 65%. I created a permenant memory DC, and brought the time down to ~35%. Then I changed the class style to include 'CS_OWNDC', and created a permenant 'compatible' DC, and this brought the non-maximized, large window size to about the 20% processor hit.
It makes no sense to me why the maximized application window state would chew up less processor time to draw than the large, non-maximized application window, unless Windows allocates things differently if a window is maximized, because it figures the maximized window 'hides' everything behind it?
I am running Win2000 on a AMD 2100 machine, with a relatively old 16Meg Radeon 7000 graphics card.
The code looks like the following. Each window uses exactly the same code. (I have simplified it a bit, but the pertinant part is shown.)
void GenView::paintWindow() {
HDC dc = GetDC(thisWindowsHwnd);
HBITMAP oldBmp = (HBITMAP) SelectObject(memoryDC, memoryBitmap);
BitBlt(dc, 0, 0, width, height, memoryDC, 0, 0, SRCCOPY);
SelectObject(memoryDC, oldBmp);
...
}
When the window is maximized, it is performing this 8 times each 10ms pass, as there are 8 windows visible. This becomes 7 times for the problem window size, and 4 times for the minimum window size.
Any ideas on how to bring that 20% proc usage down to the 4% mark, or am I going to be stuck with that?
Thanks,
David
The following is a table overview, for reference:
State: Child Window Sizes: # Windows: Proc time:
Maximized 799(wide)x100(high) 8 4%
Large, non-maximized 608x100 7 20%
Small 347x100 4 6%
Debugging - The high art and magic of cussing errors into 'features'
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DDB related activities do consume time resources, especially when you are blitting large areas.
You can get a great improvement by using DIBs. StretchDIBBits is significantly faster.
SkyWalker
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