1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
// **********************************************************************
//
// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include "stdafx.h"
#include "HelloClient.h"
#include "HelloClientDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
using namespace std;
using namespace Demo;
CHelloClientDlg::CHelloClientDlg(const Ice::CommunicatorPtr& communicator, CWnd* pParent /*=NULL*/) :
CDialog(CHelloClientDlg::IDD, pParent), _communicator(communicator), _currentMode(0),
_useSecure(false), _useTimeout(false)
{
_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void
CHelloClientDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CHelloClientDlg, CDialog)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
ON_BN_CLICKED(IDC_INVOKE, OnSayHello)
ON_BN_CLICKED(IDC_FLUSH, OnFlush)
ON_BN_CLICKED(IDC_SHUTDOWN, OnShutdown)
END_MESSAGE_MAP()
BOOL
CHelloClientDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(_hIcon, TRUE); // Set big icon
SetIcon(_hIcon, FALSE); // Set small icon
//
// Retrieve the controls.
//
_mode = (CComboBox*)GetDlgItem(IDC_MODE);
_secure = (CButton*)GetDlgItem(IDC_SECURE);
_timeout = (CButton*)GetDlgItem(IDC_TIMEOUT);
_delay = (CButton*)GetDlgItem(IDC_DELAY);
_status = (CStatic*)GetDlgItem(IDC_STATUSBAR);
//
// Use twoway mode as the initial default.
//
_mode->SetCurSel(_currentMode);
//
// Create the proxy.
//
Ice::ObjectPrx obj = _communicator->propertyToProxy("Hello.Proxy");
_proxy = HelloPrx::uncheckedCast(obj);
_currentProxy = _proxy;
_status->SetWindowText(CString(" Ready"));
return TRUE; // return TRUE unless you set the focus to a control
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void
CHelloClientDlg::OnPaint()
{
if(IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, _hIcon);
}
else
{
CDialog::OnPaint();
}
}
// The system calls this function to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR
CHelloClientDlg::OnQueryDragIcon()
{
return static_cast<HCURSOR>(_hIcon);
}
void
CHelloClientDlg::OnSayHello()
{
try
{
updateProxy();
_currentProxy->sayHello(_delay->GetCheck() == BST_CHECKED ? 2500 : 0);
if(_currentProxy->ice_isBatchOneway() || _currentProxy->ice_isBatchDatagram())
{
_status->SetWindowText(CString(" Queued batch request"));
}
else
{
_status->SetWindowText(CString(" Sent request"));
}
}
catch(const IceUtil::Exception& ex)
{
handleException(ex);
}
}
void
CHelloClientDlg::OnFlush()
{
try
{
_communicator->flushBatchRequests();
_status->SetWindowText(CString(" Flushed batch requests"));
}
catch(const IceUtil::Exception& ex)
{
handleException(ex);
}
}
void
CHelloClientDlg::OnShutdown()
{
try
{
updateProxy();
_currentProxy->shutdown();
if(_currentProxy->ice_isBatchOneway() || _currentProxy->ice_isBatchDatagram())
{
_status->SetWindowText(CString(" Queued shutdown request"));
}
else
{
_status->SetWindowText(CString(" Sent shutdown request"));
}
}
catch(const IceUtil::Exception& ex)
{
handleException(ex);
}
}
void
CHelloClientDlg::updateProxy()
{
int mode = _mode->GetCurSel();
bool secure = _secure->GetCheck() == BST_CHECKED;
bool timeout = _timeout->GetCheck() == BST_CHECKED;
if(mode == _currentMode && secure == _useSecure && timeout == _useTimeout)
{
return;
}
Ice::ObjectPrx proxy;
switch(mode)
{
case 0:
proxy = _proxy->ice_twoway();
break;
case 1:
proxy = _proxy->ice_oneway();
break;
case 2:
proxy = _proxy->ice_batchOneway();
break;
case 3:
proxy = _proxy->ice_datagram();
break;
case 4:
proxy = _proxy->ice_batchDatagram();
break;
default:
assert(false);
}
proxy = proxy->ice_secure(secure);
if(timeout)
{
proxy = proxy->ice_timeout(2000);
}
else
{
proxy = proxy->ice_timeout(-1);
}
if(proxy->ice_isTwoway())
{
_currentProxy = HelloPrx::checkedCast(proxy);
}
else
{
_currentProxy = HelloPrx::uncheckedCast(proxy);
}
_currentMode = mode;
_useSecure = secure;
_useTimeout = timeout;
}
void
CHelloClientDlg::handleException(const IceUtil::Exception& e)
{
try
{
e.ice_throw();
}
catch(const Ice::NoEndpointException&)
{
AfxMessageBox(CString("The proxy does not support the current configuration"),
MB_OK|MB_ICONEXCLAMATION);
}
catch(const IceUtil::Exception& ex)
{
ostringstream ostr;
ostr << ex;
string s = ostr.str();
AfxMessageBox(CString(s.c_str()), MB_OK|MB_ICONEXCLAMATION);
}
_status->SetWindowText(CString(" Ready"));
}
|
