ace 学习手记 20050829
编译vc下：
解开压缩包以后 创建一个config.h 的文件
#define ACE_HAS_STANDARD_CPP_LIBRARY 1
#include "ace/config-win32.h"
打开工程文件就可以编译库了。
编译工程 需要注意的是 路径设置 一般我会在环境变量 path 和 include 设置相应参数
然后设置为多线程编译 可惜了 我不能用editplus 编译了 要用vc 参数不会
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
我决定从example 开始看代码：
// test_log_msg.cpp,v 4.20 2003/11/10 01:48:03 dhinton Exp
// ============================================================================
//
// = LIBRARY
// examples/Log_Msg
//
// = FILENAME
// test_log_msg.cpp
//
// = DESCRIPTION
// This program tests the Log_Msg abstraction and demontrates
// several use cases.
//
// = AUTHOR
// Douglas Schmidt <schmidt@cs.wustl.edu>
//
// ============================================================================
#include "ace/OS_main.h"
// FUZZ: disable check_for_streams_include
#include "ace/streams.h"
#include "ace/Log_Msg.h"
#include "ace/OS_NS_unistd.h"
#include "ace/OS_NS_stdlib.h"
ACE_RCSID(Log_Msg, test_log_msg, "test_log_msg.cpp,v 4.20 2003/11/10 01:48:03 dhinton Exp")
static void
cleanup (void)
{
ACE_DEBUG ((LM_INFO,
"leaving (%P)!\n"));
}
static void
cause_error (void)
{
errno = EWOULDBLOCK;
ACE_ERROR ((LM_DEBUG,
"would block\n"));
}
int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
// Note that the default behavior is to log to STDERR...
int counter = 1 ;
if (argc > 1)
{
if (ACE_LOG_MSG->open (argv[0],
ACE_Log_Msg::OSTREAM) == -1)
ACE_ERROR ((LM_ERROR,
"cannot open logger!!!\n"));
cause_error ();
// Check to see what happened.
if (ACE_LOG_MSG->op_status () == -1
&& ACE_LOG_MSG->errnum () == EWOULDBLOCK)
ACE_DEBUG ((LM_DEBUG,
"op_status and errnum work!\n"));
else
ACE_ERROR ((LM_ERROR,
"op_status and errnum failed!\n"));
}
else
{
if (ACE_LOG_MSG->open (argv[0]) == -1)
ACE_ERROR ((LM_ERROR,
"cannot open logger!!!\n"));
cause_error ();
// Check to see what happened.
if (ACE_LOG_MSG->op_status () == -1
&& ACE_LOG_MSG->errnum () == EWOULDBLOCK)
ACE_DEBUG ((LM_DEBUG,
"op_status and errnum work!\n"));
else
ACE_ERROR ((LM_ERROR,
"op_status and errnum failed!\n"));
// Exercise many different combinations of STDERR and OSTREAM.
ACE_DEBUG ((LM_INFO,
"%10f, %*s%s = %d\n",
3.1416 * counter++,
8,
"",
"hello",
10000));
ACE_LOG_MSG->set_flags (ACE_Log_Msg::OSTREAM);
ACE_LOG_MSG->msg_ostream (&cout);
ACE_DEBUG ((LM_INFO,
"%10f, %*s%s = %d\n",
3.1416 * counter,
8,
"",
"world",
10000 * counter++));
ACE_LOG_MSG->clr_flags (ACE_Log_Msg::STDERR);
ACE_DEBUG ((LM_INFO,
"%10f, %*s%s = %d\n",
3.1416 * counter,
8,
"",
"world",
10000 * counter++));
ACE_LOG_MSG->msg_ostream (0);
ACE_LOG_MSG->set_flags (ACE_Log_Msg::STDERR);
ACE_DEBUG ((LM_INFO,
"%10f, %*s%s = %d\n",
3.1416 * counter,
8,
"",
"world",
10000 * counter++));
ACE_LOG_MSG->clr_flags (ACE_Log_Msg::OSTREAM);
ACE_LOG_MSG->msg_ostream (&cerr);
ACE_DEBUG ((LM_INFO,
"%10f, %*s%s = %d\n",
3.1416 * counter,
8,
"",
"world",
10000 * counter++));
static int array[] = {1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048};
// Print out the binary bytes of the array in hex form.
ACE_LOG_MSG->log_hexdump (LM_DEBUG,
(char *) array,
sizeof array);
// Disable the LM_DEBUG and LM_INFO messages at the process level.
u_long priority_mask =
ACE_LOG_MSG->priority_mask (ACE_Log_Msg::PROCESS);
ACE_CLR_BITS (priority_mask,
LM_DEBUG | LM_INFO);
ACE_LOG_MSG->priority_mask (priority_mask,
ACE_Log_Msg::PROCESS);
ACE_DEBUG ((LM_INFO,
"This LM_INFO message should not print!\n"));
ACE_DEBUG ((LM_DEBUG,
"This LM_DEBUG message should not print!\n"));
ACE_SET_BITS (priority_mask,
LM_INFO);
ACE_LOG_MSG->priority_mask (priority_mask,
ACE_Log_Msg::PROCESS);
ACE_DEBUG ((LM_INFO,
"This LM_INFO message should print!\n"));
ACE_DEBUG ((LM_DEBUG,
"This LM_DEBUG message should not print!\n"));
ACE_CLR_BITS (priority_mask, LM_INFO);
ACE_LOG_MSG->priority_mask (priority_mask,
ACE_Log_Msg::PROCESS);
ACE_DEBUG ((LM_INFO,
"This LM_INFO message should not print!\n"));
ACE_DEBUG ((LM_DEBUG,
"This LM_DEBUG message should not print!\n"));
char badname[] = "badname";
char *l_argv[2];
l_argv[0] = badname;
l_argv[1] = 0;
if (ACE_OS::execv (badname,
l_argv) == -1)
{
ACE_ERROR ((LM_ERROR,
"%n: (%x), %p%r\n",
10000,
badname,
cleanup));
ACE_OS::_exit ();
}
}
return 0;
}
