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
|
// $Id$
//===================================================================
// = LIBRARY
// TAO/tests/POA/Default_Servant/client
//
// = FILENAME
// client.cpp
//
// = DESCRIPTION
// A client program for the File IDL module
//
// = AUTHOR
// Irfan Pyarali
//
//====================================================================
#include "FileC.h"
#include "tao/debug.h"
#include "ace/streams.h"
#include "ace/Get_Opt.h"
#include "ace/Read_Buffer.h"
#include "ace/OS.h"
#include "ace/Thread_Manager.h"
ACE_RCSID(Default_Servant, client, "client.cpp,v 1.8 2001/03/26 21:16:52 coryan Exp")
static const char *iorfile = "ior";
static const char *filename = "big.txt";
static const int NUM_THREADS = 4;
static CORBA::ORB_var orb;
static int loops=100;
static int
parse_args (int argc, char **argv)
{
ACE_Get_Opt get_opts (argc, argv, "dk:f:");
int c;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'd':
TAO_debug_level++;
break;
case 'k':
iorfile = get_opts.opt_arg ();
break;
case 'f':
filename = get_opts.opt_arg ();
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s"
"[-k <iorfile>]"
"[-f <filename>]"
"[-m <message>]"
"\n",
argv [0]),
-1);
}
if (iorfile == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Please specify the IOR for the servant"), -1);
// Indicates successful parsing of command line.
return 0;
}
static void *
MTTEST (void *args)
{
ACE_DECLARE_NEW_CORBA_ENV;
ACE_CString& ior = *(ACE_CString*)args;
ACE_TRY
{
CORBA::Object_var object = orb->string_to_object (ior.c_str ()
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Narrow the object reference to a File::System
File::System_var file_system = File::System::_narrow (object.in ()
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Creat the file filename i.e "test"
File::Descriptor_var fd = file_system->open (filename,
O_RDONLY
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
for( int i=0; i<loops; ++i)
{
//seek to the beginning of the file
ACE_DEBUG((LM_DEBUG,"Making request number %d\n",i));
fd->lseek (0, SEEK_SET ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Read back the written message
// Twice the size of the socket buffer
File::Descriptor::DataBuffer_var data_received = fd->read (128*1024
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
// close the file
fd->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "Exception caught in main");
return 0;
}
ACE_ENDTRY;
return 0;
}
int
main (int argc, char **argv)
{
ACE_DECLARE_NEW_CORBA_ENV;
ACE_TRY
{
// Initialize the ORB
orb = CORBA::ORB_init (argc, argv, 0 ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Parse the command-line arguments to get the IOR
parse_args (argc, argv);
// parse args should catch this, but just in case...
if (iorfile == 0)
return 0;
// Read the file, and get the IOR
ACE_HANDLE input_file = ACE_OS::open (iorfile, 0);
if (input_file == ACE_INVALID_HANDLE)
ACE_ERROR_RETURN ((LM_ERROR,
"Cannot open input file for reading IOR: %s\n",
iorfile),
-1);
ACE_Read_Buffer ior_buffer (input_file);
char *data = ior_buffer.read ();
if (data == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to read ior\n"),
-1);
ACE_CString ior = data;
ior_buffer.alloc ()-> free (data);
ACE_OS::close (input_file);
if (ACE_Thread_Manager::instance ()->spawn_n (NUM_THREADS,
ACE_THR_FUNC (MTTEST),
(void *)&ior,
THR_NEW_LWP | THR_DETACHED) == -1)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("%p\n%a"),
ACE_TEXT ("thread create failed")));
}
ACE_Thread_Manager::instance()->wait();
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "Exception caught in main");
return -1;
}
ACE_ENDTRY;
ACE_CHECK_RETURN (-1);
return 0;
}
|