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// $Id$
//#include "Client_i.h"
#include "ace/Get_Opt.h"
#include "ace/Read_Buffer.h"
#include "MarketFeed_i.h"
ACE_RCSID(Callback_Quoter, Marketfeed_i, "$Id$")
// Constructor.
MarketFeed_i::MarketFeed_i (void)
: ior_ (0),
loop_count_ (10),
server_ (),
use_naming_service_ (1)
{
}
MarketFeed_i::~MarketFeed_i (void)
{
ACE_OS::free (this->ior_);
ACE_DEBUG ((LM_DEBUG,
"Marketfeed daemon exiting!\n"));
}
// Reads the Server factory IOR from a file.
int
MarketFeed_i::read_ior (char *filename)
{
// Open the file for reading.
ACE_HANDLE f_handle = ACE_OS::open (filename, 0);
if (f_handle == ACE_INVALID_HANDLE)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to open %s for writing: %p\n",
filename),
-1);
ACE_Read_Buffer ior_buffer (f_handle);
char *data = ior_buffer.read ();
if (data == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to read ior: %p\n"),
-1);
this->ior_ = ACE_OS::strdup (data);
ior_buffer.alloc ()->free (data);
ACE_OS::close (f_handle);
return 0;
}
// Parses the command line arguments and returns an error status.
int
MarketFeed_i::parse_args (void)
{
ACE_Get_Opt get_opts (argc_, argv_, "dn:f:xk:xs");
int c;
int result;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'd': // debug flag
TAO_debug_level++; //****
break;
case 'n': // loop count
this->loop_count_ = (u_int) ACE_OS::atoi (get_opts.optarg);
break;
case 'k': // ior provide on command line
this->ior_ = ACE_OS::strdup (get_opts.optarg);
break;
case 'f': // read the IOR from the file.
result = this->read_ior (get_opts.optarg);
if (result < 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to read ior from %s : %p\n",
get_opts.optarg),
-1);
break;
case 's': // don't use the naming service
this->use_naming_service_ = 0;
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s"
" [-d]"
" [-n loopcount]"
" [-f ior-file]"
" [-k ior]"
" [-x]"
" [-s]"
"\n",
this->argv_ [0]),
-1);
}
// Indicates successful parsing of command line.
return 0;
}
// Give the stock status information to the Supplier.
int
MarketFeed_i::send_market_status (const char *stock_name,
long value)
{
TAO_TRY
{
// Make the RMI.
this->server_->market_status (stock_name,
value,
TAO_TRY_ENV);
TAO_CHECK_ENV;
ACE_DEBUG ((LM_DEBUG,
"%s\n",
stock_name));
}
TAO_CATCHANY
{
ACE_ERROR_RETURN ((LM_ERROR,
"Exception raised!\n"),
-1);
}
TAO_ENDTRY;
return 0;
}
// Execute client example code.
int
MarketFeed_i::run (void)
{
ACE_DEBUG ((LM_DEBUG,
"MarketFeed Daemon is running... "));
long value;
char stock_name[BUFSIZ];
for (;;)
{
scanf ("%s %ld", stock_name, &value);
// Make a call to the method which will send the current market
// status.
int return_val = this->send_market_status (stock_name, value);
if (return_val < 0)
break;
}
return 0;
}
int
MarketFeed_i::via_naming_service(void)
{
TAO_TRY
{
// Initialization of the naming service.
if (naming_services_client_.init (orb_.in ()) != 0)
ACE_ERROR_RETURN ((LM_ERROR,
" (%P|%t) Unable to initialize "
"the TAO_Naming_Client. \n"),
-1);
CosNaming::Name supplier_ref_name (1);
supplier_ref_name.length (1);
supplier_ref_name[0].id = CORBA::string_dup ("Supplier");
CORBA::Object_var supplier_obj =
this->naming_services_client_->resolve (supplier_ref_name,
TAO_TRY_ENV);
TAO_CHECK_ENV;
// The CORBA::Object_var object is downcast to Supplier_var using
// the <_narrow> method.
this->server_ =
Supplier::_narrow (supplier_obj.in (),
TAO_TRY_ENV);
TAO_CHECK_ENV;
}
TAO_CATCHANY
{
TAO_TRY_ENV.print_exception ("MarketFeed_i::via_naming_service\n");
return -1;
}
TAO_ENDTRY;
return 0;
}
// Init function.
int
MarketFeed_i::init (int argc, char **argv)
{
this->argc_ = argc;
this->argv_ = argv;
TAO_TRY
{
// Retrieve the ORB.
this->orb_ = CORBA::ORB_init (this->argc_,
this->argv_,
0,
TAO_TRY_ENV);
TAO_CHECK_ENV;
// Parse command line and verify parameters.
if (this->parse_args () == -1)
return -1;
if (this->use_naming_service_)
return via_naming_service ();
if (this->ior_ == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"%s: no ior specified\n",
this->argv_[0]),
-1);
CORBA::Object_var server_object =
this->orb_->string_to_object (this->ior_,
TAO_TRY_ENV);
TAO_CHECK_ENV;
if (CORBA::is_nil (server_object.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
"invalid ior <%s>\n",
this->ior_),
-1);
// The downcasting from CORBA::Object_var to Supplier_var is done
// using the <_narrow> method.
this->server_ = Supplier::_narrow (server_object.in (),
TAO_TRY_ENV);
TAO_CHECK_ENV;
}
TAO_CATCHANY
{
TAO_TRY_ENV.print_exception ("MarketFeed_i::init");
return -1;
}
TAO_ENDTRY;
return 0;
}
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