INET_Addr.cpp File Reference

#include "ace/INET_Addr.h"
#include "ace/Log_Msg.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_errno.h"
#include "ace/OS_NS_stdlib.h"
#include "ace/OS_Memory.h"
#include "ace/OS_NS_arpa_inet.h"
#include "ace/OS_NS_netdb.h"
#include "ace/OS_NS_unistd.h"
#include "ace/OS_NS_sys_socket.h"

Include dependency graph for INET_Addr.cpp:

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Functions
static int	get_port_number_from_name (const char port_name[], const char protocol[])

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Function Documentation

static int get_port_number_from_name	(	const char	port_name[],
		const char	protocol[]
	)			[static]

Definition at line 431 of file INET_Addr.cpp.

References ACE_HTONS, ACE_MAX_DEFAULT_PORT, ACE_OS::getservbyname_r(), and ACE_OS::strtol().

Referenced by ACE_INET_Addr::set().

{
  // Maybe port_name is directly a port number?
  char *endp = 0;
  long port_number = ACE_OS::strtol (port_name, &endp, 10);

  if (*endp == '\0')
    {
      // port_name was really a number, and nothing else.

      // Check for overflow.
      if (port_number < 0 || port_number > ACE_MAX_DEFAULT_PORT)
        return -1;

      // Return the port number.  NOTE: this number must
      // be returned in network byte order!
      u_short n = static_cast<u_short> (port_number);
      n = ACE_HTONS (n);
      return n;
    }

  // We try to resolve port number from its name.

#if defined (ACE_LACKS_GETSERVBYNAME)
  port_number = 0;
  ACE_UNUSED_ARG (port_name);
  ACE_UNUSED_ARG (protocol);
#else
  port_number = -1;
  servent sentry;
  ACE_SERVENT_DATA buf;
  servent *sp = ACE_OS::getservbyname_r (port_name,
                                         protocol,
                                         &sentry,
                                         buf);
  if (sp != 0)
    port_number = sp->s_port;
#endif /* ACE_LACKS_GETSERVBYNAME */

  return port_number;
}

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