// CommandStream.cpp,v 1.2 2004/01/08 20:20:43 shuston Exp #include "ace/Log_Msg.h" #include "ace/OS_Memory.h" #include "CommandStream.h" #include "Command.h" #include "CommandModule.h" #include "CommandTasks.h" // Gotcha: superclass' open() won't open head/tail modules // Gotcha!! Must open the stream before pushing modules! // Listing 01 code/ch18 int CommandStream::open (void *arg, ACE_Module<ACE_MT_SYNCH> *head, ACE_Module<ACE_MT_SYNCH> *tail) { ACE_TRACE (ACE_TEXT ("CommandStream::open(peer)")); if (this->inherited::open (arg, head, tail) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("%p\n"), ACE_TEXT ("Failed to open superclass")), -1); // Listing 01 // Listing 02 code/ch18 CommandModule *answerCallModule; ACE_NEW_RETURN (answerCallModule, AnswerCallModule (this->peer_), -1); CommandModule *retrieveCallerIdModule; ACE_NEW_RETURN (retrieveCallerIdModule, RetrieveCallerIdModule (this->peer_), -1); CommandModule *playMessageModule; ACE_NEW_RETURN (playMessageModule, PlayMessageModule (this->peer_), -1); CommandModule *recordMessageModule; ACE_NEW_RETURN (recordMessageModule, RecordMessageModule (this->peer_), -1); // Listing 02 // Listing 03 code/ch18 if (this->push (answerCallModule) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("Failed to push %p\n"), ACE_TEXT (answerCallModule->name())), -1); if (this->push (retrieveCallerIdModule) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("Failed to push %p\n"), ACE_TEXT (retrieveCallerIdModule->name())), -1); if (this->push (playMessageModule) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("Failed to push %p\n"), ACE_TEXT (playMessageModule->name())), -1); if (this->push (recordMessageModule) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("Failed to push %p\n"), ACE_TEXT (recordMessageModule->name())), -1); // Listing 03 return 0; } // Listing 04 code/ch18 Command *CommandStream::execute (Command *command) { ACE_Message_Block *mb; ACE_NEW_RETURN (mb, ACE_Message_Block (command), 0); if (this->put (mb) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("Fail on put command %d: %p\n"), command->command_, ACE_TEXT ("")), 0); this->get (mb); command = (Command *)mb->data_block (); ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Command (%d) returns (%d)\n"), command->command_, command->numeric_result_)); return command; } // Listing 04