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Diffstat (limited to 'ACE/TAO/examples/OBV/Simple_util.cpp')
| -rw-r--r-- | ACE/TAO/examples/OBV/Simple_util.cpp | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/ACE/TAO/examples/OBV/Simple_util.cpp b/ACE/TAO/examples/OBV/Simple_util.cpp new file mode 100644 index 00000000000..4955e621d89 --- /dev/null +++ b/ACE/TAO/examples/OBV/Simple_util.cpp @@ -0,0 +1,301 @@ +// $Id$ + +// This version of Simple_Util doesn't need to link against orbsvcs +// On the other hand it has no naming service. + +#ifndef SIMPLE_UTIL_C +#define SIMPLE_UTIL_C +# include "Simple_util.h" +# include "tao/debug.h" +# include "ace/OS_NS_stdio.h" +# include "ace/OS_NS_fcntl.h" +# include "ace/OS_NS_unistd.h" +# include "ace/OS_NS_string.h" + +// Constructor. + +template <class Servant> +Server<Servant>::Server (void) + : ior_output_file_ (0) +{ + // no-op. +} + +// Destructor. + +template <class Servant> +Server<Servant>::~Server (void) +{ +} + +// Parse the command-line arguments and set options. + +template <class Servant> int +Server<Servant>::parse_args (void) +{ + ACE_Get_Opt get_opts (this->argc_, this->argv_, ACE_TEXT("do:ni:")); + int c = 0; + + while ((c = get_opts ()) != -1) + switch (c) + { + case 'd': // debug flag. + TAO_debug_level++; + break; + case 'o': // output the IOR to a file. + this->ior_output_file_ = ACE_OS::fopen (get_opts.opt_arg (), "w"); + if (this->ior_output_file_ == 0) + ACE_ERROR_RETURN ((LM_ERROR, + "Unable to open %s for writing: %p\n", + get_opts.opt_arg ()), -1); + break; + + case '?': // display help for use of the server. + default: + ACE_ERROR_RETURN ((LM_ERROR, + "usage: %s" + " [-d]" + " [-o] <ior_output_file>" + "\n", + argv_ [0]), + -1); + } + + // Indicates successful parsing of command line. + return 0; +} + +// Initialize the server. +template <class Servant> int +Server<Servant>::init (const char *servant_name, + int argc, + ACE_TCHAR *argv[]) +{ + // Call the init of <TAO_ORB_Manager> to initialize the ORB and + // create a child POA under the root POA. + if (this->orb_manager_.init_child_poa (argc, + argv, + "child_poa") == -1) + ACE_ERROR_RETURN ((LM_ERROR, + "%p\n", + "init_child_poa"), + -1); + + + this->argc_ = argc; + this->argv_ = argv; + + int retval = this->parse_args (); + + if (retval != 0) + return retval; + + CORBA::ORB_var orb = this->orb_manager_.orb (); + + // Stash our ORB pointer for later reference. + this->servant_.orb (orb.in ()); + + // Activate the servant in its own child POA. + + // Make sure that you check for failures here via the ACE_TRY + // macros?! + try + { + CORBA::String_var str = + this->orb_manager_.activate_under_child_poa (servant_name, + &this->servant_); + + ACE_DEBUG ((LM_DEBUG, + "The IOR is: <%s>\n", + str.in ())); + + if (this->ior_output_file_) + { + ACE_OS::fprintf (this->ior_output_file_, + "%s", + str.in ()); + ACE_OS::fclose (this->ior_output_file_); + } + + } + catch (const CORBA::Exception& ex) + { + ex._tao_print_exception ("Exception in activation of POA"); + return -1; + } + + return 0; +} + +template <class Servant>int +Server<Servant>::run (void) +{ + // Run the main event loop for the ORB. + if (this->orb_manager_.run () == -1) + ACE_ERROR_RETURN ((LM_ERROR, + "Server_i::run"), + -1); + + return 0; +} + +template <class Servant> int +Server<Servant>::register_name (void) +{ + return -1; +} + +// Constructor. + +template <class InterfaceObj, class Var> +Client<InterfaceObj, Var>::Client (void) + : ior_ (0) +{ + //no-op +} + +// Reads the Server ior from a file + +template <class InterfaceObj, class Var> int +Client<InterfaceObj, Var>::read_ior (ACE_TCHAR *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. + +template <class InterfaceObj, class Var> int +Client<InterfaceObj, Var>::parse_args (void) +{ + ACE_Get_Opt get_opts (argc_, argv_, ACE_TEXT("df:nk:x")); + int c = 0; + int result = 0; + + while ((c = get_opts ()) != -1) + switch (c) + { + case 'd': // debug flag + TAO_debug_level++; + break; + case 'k': // ior provide on command line + this->ior_ = ACE_OS::strdup (ACE_TEXT_ALWAYS_CHAR(get_opts.opt_arg ())); + break; + case 'f': // read the IOR from the file. + result = this->read_ior (get_opts.opt_arg ()); + if (result < 0) + ACE_ERROR_RETURN ((LM_ERROR, + "Unable to read ior from %s : %p\n", + get_opts.opt_arg ()), + -1); + break; + case 'x': // read the flag for shutting down + this->shutdown_ = 1; + break; + } + + // Indicates successful parsing of command line. + return 0; +} + +template <class InterfaceObj, class Var> +Client<InterfaceObj, Var>::~Client (void) +{ + ACE_OS::free (this->ior_); +} + +template <class InterfaceObj, class Var> int +Client<InterfaceObj, Var>::init (const char *name, + int argc, + ACE_TCHAR **argv) +{ + this->argc_ = argc; + this->argv_ = argv; + + + + try + { + // Retrieve the ORB. + this->orb_ = CORBA::ORB_init (this->argc_, + this->argv_, + name); + + // Parse command line and verify parameters. + if (this->parse_args () == -1) + return -1; + + if(this->ior_ != 0) + { + CORBA::Object_var server_object = + this->orb_->string_to_object (this->ior_); + + + if (CORBA::is_nil (server_object.in ())) + ACE_ERROR_RETURN ((LM_ERROR, + "invalid ior <%s>\n", + this->ior_), + -1); + this->server_ = InterfaceObj::_narrow (server_object.in ()); + } + else + ACE_ERROR_RETURN ((LM_ERROR, + "no ior or naming options specified\n"), + -1); + + + } + catch (const CORBA::Exception& ex) + { + ex._tao_print_exception ("Client_i::init"); + return -1; + } + + + return 0; +} + + +template <class InterfaceObj, class Var> int +Client<InterfaceObj, Var>::obtain_initial_references (void) +{ + + return 0; +} + +template <class InterfaceObj, class Var> int +Client<InterfaceObj, Var>::shutdown (void ) +{ + // Returns the shutdwon flag + return shutdown_; +} + +template <class InterfaceObj, class Var> void +Client<InterfaceObj, Var>::shutdown (int flag) +{ + // Fills the flag + shutdown_ = flag; +} + +#endif |