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// $Id$
// client.C
#include "Log_Wrapper.h"
#include "ace/OS_NS_unistd.h"
#include "ace/OS_NS_sys_utsname.h"
#include "ace/OS_NS_string.h"
#include "ace/OS_NS_netdb.h"
ACE_RCSID(Multicast, Log_Wrapper, "$Id$")
Log_Wrapper::Log_Wrapper (void)
{
sequence_number_ = 0;
this->log_msg_.app_id = ACE_OS::getpid ();
}
Log_Wrapper::~Log_Wrapper (void)
{
}
// Set the log_msg_ host address.
int
Log_Wrapper::open (const int port, const char *mcast_addr)
{
struct hostent *host_info;
ACE_utsname host_data;
if (ACE_OS::uname (&host_data) < 0)
return -1;
#if defined (ACE_LACKS_UTSNAME_T)
if ((host_info = ACE_OS::gethostbyname
(ACE_TEXT_TO_CHAR_IN(host_data.nodename))) == NULL)
#else
if ((host_info = ACE_OS::gethostbyname (host_data.nodename)) == NULL)
#endif
return -1;
else
ACE_OS::memcpy ((char *) &this->log_msg_.host,
(char *) host_info->h_addr,
host_info->h_length);
// This starts out initialized to all zeros!
server_ = ACE_INET_Addr (port, mcast_addr);
if (logger_.subscribe (server_) == -1)
perror("can't subscribe to multicast group"), exit(1);
// success.
return 0;
}
// Send the message to a logger object.
// This wrapper fills in all the log_record info for you.
// uses iovector stuff to make contiguous header and message.
int
Log_Wrapper::log_message (Log_Priority type, char *message)
{
sequence_number_++;
this->log_msg_.type = type;
this->log_msg_.time = time (0);
this->log_msg_.msg_length = ACE_OS::strlen(message)+1;
this->log_msg_.sequence_number = htonl(sequence_number_);
iovec iovp[2];
iovp[0].iov_base = reinterpret_cast<char*> (&log_msg_);
iovp[0].iov_len = sizeof (log_msg_);
iovp[1].iov_base = message;
iovp[1].iov_len = log_msg_.msg_length;
logger_.send (iovp, 2);
// success.
return 0;
}
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