/** * Home Automation Status server. Sample code from The ACE Programmer's Guide, * Copyright 2003 Addison-Wesley. All Rights Reserved. */ #include "ace/OS_NS_string.h" #include "ace/Configuration.h" #include "ace/Configuration_Import_Export.h" #include "ace/Get_Opt.h" #include "ace/Log_Msg.h" #include "ace/INET_Addr.h" #include "ace/Service_Object.h" class HA_Status : public ACE_Service_Object { public: virtual int init (int argc, ACE_TCHAR *argv[]); private: ACE_INET_Addr listen_addr_; }; int HA_Status::init (int argc, ACE_TCHAR *argv[]) { // Do ACE_Get_Opt and get conf file name, read out the sections // and print the names. // Listing 1 code/ch04 static const ACE_TCHAR options[] = ACE_TEXT (":f:"); ACE_Get_Opt cmd_opts (argc, argv, options); if (cmd_opts.long_option (ACE_TEXT ("config"), 'f', ACE_Get_Opt::ARG_REQUIRED) == -1) return -1; int option; ACE_TCHAR config_file[MAXPATHLEN]; ACE_OS::strcpy (config_file, ACE_TEXT ("HAStatus.conf")); while ((option = cmd_opts ()) != EOF) switch (option) { case 'f': ACE_OS::strncpy (config_file, cmd_opts.opt_arg (), MAXPATHLEN); break; case ':': ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("-%c requires an argument\n"), cmd_opts.opt_opt ()), -1); default: ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("Parse error.\n")), -1); } // Listing 1 // Listing 2 code/ch04 ACE_Configuration_Heap config; if (config.open () == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("%p\n"), ACE_TEXT ("config")), -1); ACE_Registry_ImpExp config_importer (config); if (config_importer.import_config (config_file) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("%p\n"), config_file), -1); ACE_Configuration_Section_Key status_section; if (config.open_section (config.root_section (), ACE_TEXT ("HAStatus"), 0, status_section) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("%p\n"), ACE_TEXT ("Can't open HAStatus section")), -1); u_int status_port; if (config.get_integer_value (status_section, ACE_TEXT ("ListenPort"), status_port) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("HAStatus ListenPort does not exist\n")), -1); this->listen_addr_.set (static_cast (status_port)); // Listing 2 return 0; } int ACE_TMAIN (int argc, ACE_TCHAR *argv[]) { HA_Status status; status.init (argc, argv); return 0; }