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#include "File_i.h"
FileImpl::System::System (PortableServer::POA_ptr poa)
: poa_ (PortableServer::POA::_duplicate (poa)),
fd_servant_ (poa)
{
CORBA::Environment env;
poa->set_servant (&this->fd_servant_, env);
ACE_ASSERT (env.exception () == 0);
}
FileImpl::System::~System (void)
{
}
PortableServer::POA_ptr
FileImpl::System::_default_POA (CORBA::Environment &env)
{
return PortableServer::POA::_duplicate (this->poa_.in ());
}
File::Descriptor_ptr
FileImpl::System::open (const char *file_name,
CORBA::Long flags,
CORBA::Environment &env)
{
ACE_HANDLE file_descriptor = ACE_OS::open (file_name,
flags);
if (file_descriptor == ACE_INVALID_HANDLE)
{
CORBA::Exception *exception = new File::IOError (errno);
env.exception (exception);
return 0;
}
char file_descriptor_buffer[BUFSIZ];
ACE_OS::sprintf (file_descriptor_buffer,
"%ld",
(CORBA::Long) file_descriptor);
PortableServer::ObjectId_var oid =
PortableServer::string_to_ObjectId (file_descriptor_buffer);
CORBA::Object_var obj =
this->poa_->create_reference_with_id (oid.in (),
this->_interface_repository_id (),
env);
if (env.exception () != 0)
return File::Descriptor::_nil ();
File::Descriptor_var fd =
File::Descriptor::_narrow (obj.in (), env);
if (env.exception () != 0)
return File::Descriptor::_nil ();
return fd._retn ();
}
FileImpl::Descriptor::Descriptor (PortableServer::POA_ptr poa)
: poa_ (PortableServer::POA::_duplicate (poa))
{
}
FileImpl::Descriptor::~Descriptor (void)
{
}
PortableServer::POA_ptr
FileImpl::Descriptor::_default_POA (CORBA::Environment &env)
{
return PortableServer::POA::_duplicate (this->poa_.in ());
}
ACE_HANDLE
FileImpl::Descriptor::fd (CORBA::Environment &env)
{
File::Descriptor_var me = this->_this (env);
if (env.exception () != 0)
return ACE_INVALID_HANDLE;
PortableServer::ObjectId_var oid =
this->poa_->reference_to_id (me.in (), env);
if (env.exception () != 0)
return ACE_INVALID_HANDLE;
CORBA::String_var s =
PortableServer::ObjectId_to_string (oid.in ());
return (ACE_HANDLE) ::atol (s.in ());
}
CORBA::Long
FileImpl::Descriptor::write (const File::Descriptor::DataBuffer &buffer,
CORBA::Environment &env)
{
ACE_HANDLE file_descriptor = this->fd (env);
if (env.exception () != 0)
return 0;
const CORBA::Octet *data = &buffer[0];
ssize_t len = ACE_OS::write (file_descriptor,
data,
buffer.length ());
if (len > 0)
return len;
else
{
CORBA::Exception *exception = new File::IOError (errno);
env.exception (exception);
return 0;
}
}
File::Descriptor::DataBuffer *
FileImpl::Descriptor::read (CORBA::Long num_bytes,
CORBA::Environment &env)
{
ACE_HANDLE file_descriptor = this->fd (env);
if (env.exception () != 0)
return 0;
CORBA::Octet *buffer = File::Descriptor::DataBuffer::allocbuf (num_bytes);
int length = ACE_OS::read (file_descriptor, buffer, num_bytes);
if (length > 0)
return new File::Descriptor::DataBuffer (length,
length,
buffer,
CORBA::B_TRUE);
else
{
File::Descriptor::DataBuffer::freebuf (buffer);
CORBA::Exception *exception = new File::IOError (errno);
env.exception (exception);
return 0;
}
}
CORBA::ULong
FileImpl::Descriptor::lseek (CORBA::ULong offset,
CORBA::Long whence,
CORBA::Environment &env)
{
ACE_HANDLE file_descriptor = this->fd (env);
if (env.exception () != 0)
return 0;
CORBA::ULong result = ACE_OS::lseek (file_descriptor,
offset,
whence);
if (result == -1)
{
CORBA::Exception *exception = new File::IOError (errno);
env.exception (exception);
return 0;
}
else
return result;
}
void
FileImpl::Descriptor::destroy (CORBA::Environment &env)
{
ACE_HANDLE file_descriptor = this->fd (env);
if (env.exception () != 0)
return;
int result = ACE_OS::close (file_descriptor);
if (result != 0)
{
CORBA::Exception *exception = new File::IOError (errno);
env.exception (exception);
return;
}
}
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