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
|
// $Id: direct_logging.cpp 91671 2010-09-08 18:39:23Z johnnyw $
// This program sends logging records directly to the server, rather
// than going through the client logging daemon.
#include "ace/SOCK_Connector.h"
#include "ace/Log_Record.h"
#include "ace/Log_Msg.h"
#include "ace/OS_NS_time.h"
#include "ace/OS_NS_stdlib.h"
#include "ace/OS_NS_unistd.h"
#include "ace/CDR_Stream.h"
static u_short LOGGER_PORT = ACE_DEFAULT_SERVER_PORT;
static const ACE_TCHAR *const LOGGER_HOST = ACE_DEFAULT_SERVER_HOST;
static const ACE_TCHAR *const DATA = ACE_TEXT ("hello world\n");
int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
u_short logger_port = argc > 1 ? ACE_OS::atoi (argv[1]) : LOGGER_PORT;
const ACE_TCHAR *logger_host = argc > 2 ? argv[2] : LOGGER_HOST;
ACE_SOCK_Stream logger;
ACE_SOCK_Connector connector;
ACE_INET_Addr addr (logger_port, logger_host);
ACE_Log_Record log_record (LM_DEBUG,
ACE_OS::time ((time_t *) 0),
ACE_OS::getpid ());
if (connector.connect (logger, addr) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "open"), -1);
log_record.msg_data (DATA);
const size_t max_payload_size =
4 // type()
+ 8 // timestamp
+ 4 // process id
+ 4 // data length
+ ACE_Log_Record::MAXLOGMSGLEN // data
+ ACE_CDR::MAX_ALIGNMENT; // padding;
// Insert contents of <log_record> into payload stream.
ACE_OutputCDR payload (max_payload_size);
payload << log_record;
// Get the number of bytes used by the CDR stream.
ACE_CDR::ULong length = payload.total_length ();
// Send a header so the receiver can determine the byte order and
// size of the incoming CDR stream.
ACE_OutputCDR header (ACE_CDR::MAX_ALIGNMENT + 8);
header << ACE_OutputCDR::from_boolean (ACE_CDR_BYTE_ORDER);
// Store the size of the payload that follows
header << ACE_CDR::ULong (length);
// Use an iovec to send both buffer and payload simultaneously.
iovec iov[2];
iov[0].iov_base = header.begin ()->rd_ptr ();
iov[0].iov_len = 8;
iov[1].iov_base = payload.begin ()->rd_ptr ();
iov[1].iov_len = length;
if (logger.sendv_n (iov, 2) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "send"), -1);
else if (logger.close () == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "close"), -1);
#if defined (ACE_WIN32)
// !!Important, Winsock is broken in that if you don't close
// down the connection before exiting main, you'll lose data.
// More over, your server might get "Access Violation" from
// within Winsock functions.
// Here we close down the connection to Logger by redirecting
// the logging destination back to stderr.
ACE_LOG_MSG->open (0, ACE_Log_Msg::STDERR, 0);
#endif /* ACE_WIN32 */
return 0;
}
|
