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// SOCK_CODgram.cpp
// $Id$
#define ACE_BUILD_DLL
#include "ace/SOCK_CODgram.h"
ACE_ALLOC_HOOK_DEFINE(ACE_SOCK_CODgram)
void
ACE_SOCK_CODgram::dump (void) const
{
ACE_TRACE ("ACE_SOCK_CODgram::dump");
}
// Here's the general-purpose constructor.
ACE_SOCK_CODgram::ACE_SOCK_CODgram (const ACE_Addr &remote, const ACE_Addr &local,
int protocol_family, int protocol)
{
ACE_TRACE ("ACE_SOCK_CODgram::ACE_SOCK_CODgram");
if (this->open (remote, local, protocol_family, protocol) == -1)
ACE_ERROR ((LM_ERROR, "%p\n", "ACE_SOCK_CODgram"));
}
/* This is the general-purpose open routine. Note that it performs
a different set of functions depending on the LOCAL and REMOTE
addresses passed to it. Here's the basic logic:
1. remote == ACE_Addr::sap_any && local == ACE_Addr::sap_any
if protocol_family == PF_INET then
bind the local address to a randomly generated port number...
2. remote == ACE_Addr::sap_any && local != ACE_Addr::sap_any
we are just binding the local address
(used primarily by servers)
3. remote != ACE_Addr::sap_any && local == ACE_Addr::sap_any
we are connecting to the remote address
(used primarily by clients)
4. remote != ACE_Addr::sap_any && local != ACE_Addr::sap_any
we are binding to the local address
and connecting to the remote address
*/
int
ACE_SOCK_CODgram::open (const ACE_Addr &remote, const ACE_Addr &local,
int protocol_family, int protocol)
{
ACE_TRACE ("ACE_SOCK_CODgram::open");
if (ACE_SOCK::open (SOCK_DGRAM, protocol_family, protocol) == -1)
return -1;
else
{
int error = 0;
if (&local == &ACE_Addr::sap_any && &remote == &ACE_Addr::sap_any)
{
// Assign an arbitrary port number from the transient range!!
if (protocol_family == PF_INET
&& ACE::bind_port (this->get_handle ()) == -1)
error = 1;
}
// We are binding just the local address.
else if (&local != &ACE_Addr::sap_any && &remote == &ACE_Addr::sap_any)
{
if (ACE_OS::bind (this->get_handle (), (sockaddr *) local.get_addr (),
local.get_size ()) == -1)
error = 1;
}
// We are connecting to the remote address.
else if (&local == &ACE_Addr::sap_any && &remote != &ACE_Addr::sap_any)
{
if (ACE_OS::connect (this->get_handle (), (sockaddr *) remote.get_addr (),
remote.get_size ()) == -1)
error = 1;
}
// We are binding to the local address and connecting to the
// remote addresses.
else
{
if (ACE_OS::bind (this->get_handle (), (sockaddr *) local.get_addr (),
local.get_size ()) == -1
|| ACE_OS::connect (this->get_handle (), (sockaddr *) remote.get_addr (),
remote.get_size ()) == -1)
error = 1;
}
if (error)
{
this->close ();
this->set_handle (ACE_INVALID_HANDLE);
}
return error ? -1 : 0;
}
}
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