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// SOCK_Connector.cpp
// $Id$
#define ACE_BUILD_DLL
#include "ace/SOCK_Connector.h"
#include "ace/Handle_Set.h"
#include "ace/INET_Addr.h"
ACE_ALLOC_HOOK_DEFINE(ACE_SOCK_Connector)
void
ACE_SOCK_Connector::dump (void) const
{
ACE_TRACE ("ACE_SOCK_Connector::dump");
}
// Actively connect and produce a new ACE_SOCK_Stream if things go well...
int
ACE_SOCK_Connector::connect (ACE_SOCK_Stream &new_stream,
const ACE_Addr &remote_sap,
ACE_Time_Value *timeout,
const ACE_Addr &local_sap,
int reuse_addr,
int flags,
int perms,
int protocol_family,
int protocol)
{
ACE_TRACE ("ACE_SOCK_Connector::connect");
int result = 0;
// Only open a new socket if we don't already have a valid handle.
if (new_stream.get_handle () == ACE_INVALID_HANDLE)
{
if (ACE_SOCK::open (SOCK_STREAM, protocol_family, protocol) == -1)
return -1;
}
else // Borrow the handle from the NEW_STREAM.
this->set_handle (new_stream.get_handle ());
sockaddr *raddr = (sockaddr *) remote_sap.get_addr ();
size_t rsize = remote_sap.get_size ();
if (&local_sap != &ACE_Addr::sap_any)
{
// Bind the local endpoint to a specific addr.
int one = 1;
if (reuse_addr && this->set_option (SOL_SOCKET, SO_REUSEADDR,
&one, sizeof one) == -1)
result = -1;
else
{
sockaddr *laddr = (sockaddr *) local_sap.get_addr ();
size_t size = local_sap.get_size ();
result = ACE_OS::bind (this->get_handle (), laddr, size);
}
if (result == -1)
{
this->close ();
return -1;
}
}
// Enable non-blocking, if required.
if (timeout != 0)
{
if (this->enable (ACE_NONBLOCK) == -1)
result = -1;
if (ACE_OS::connect (this->get_handle (), raddr, rsize) == -1)
{
result = -1;
// Check whether the connection is in progress.
if (errno == EINPROGRESS || errno == EWOULDBLOCK)
{
// This expression checks if we were polling.
if (timeout->sec () == 0 && timeout->usec () == 0)
errno = EWOULDBLOCK;
// Wait synchronously
else if (this->complete (new_stream, 0, timeout) != -1)
return 0;
}
}
}
// Do a blocking connect.
else if (ACE_OS::connect (this->get_handle (), raddr, rsize) == -1)
result = -1;
// EISCONN is treated specially since this routine may be used to check
// if we are already connected.
if (result != -1 || errno == EISCONN)
{
// If everything succeeded transfer ownership to <new_stream>.
new_stream.set_handle (this->get_handle ());
this->set_handle (ACE_INVALID_HANDLE);
}
else if (!(errno == EWOULDBLOCK || errno == ETIMEDOUT))
{
// If things have gone wrong, close down and return an error.
this->close ();
new_stream.set_handle (ACE_INVALID_HANDLE);
}
return result;
}
// Try to complete a non-blocking connection.
int
ACE_SOCK_Connector::complete (ACE_SOCK_Stream &new_stream,
ACE_Addr *remote_sap,
ACE_Time_Value *tv)
{
ACE_TRACE ("ACE_SOCK_Connector::complete");
ACE_HANDLE h = ACE::handle_timed_complete (this->get_handle (), tv);
if (h == ACE_INVALID_HANDLE)
{
this->close ();
return -1;
}
else // We've successfully connected!
{
if (remote_sap != 0)
{
int len;
len = remote_sap->get_size ();
sockaddr *addr = (sockaddr *) remote_sap->get_addr ();
if (ACE_OS::getpeername (h, addr, &len) == -1)
{
this->close ();
return -1;
}
}
// Transfer ownership.
new_stream.set_handle (this->get_handle ());
// Start out with non-blocking disabled on the <new_stream>.
new_stream.disable (ACE_NONBLOCK);
this->set_handle (ACE_INVALID_HANDLE);
return 0;
}
}
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