diff options
Diffstat (limited to 'ACE/examples/APG/Streams/Answerer.cpp')
| -rw-r--r-- | ACE/examples/APG/Streams/Answerer.cpp | 403 |
1 files changed, 403 insertions, 0 deletions
diff --git a/ACE/examples/APG/Streams/Answerer.cpp b/ACE/examples/APG/Streams/Answerer.cpp new file mode 100644 index 00000000000..507b6172108 --- /dev/null +++ b/ACE/examples/APG/Streams/Answerer.cpp @@ -0,0 +1,403 @@ +/** + * $Id$ + * + * Streams Listing 01 + * + * An answering machine based on a one-way ACE_Stream + */ + +#include "ace/OS_NS_string.h" +#include "ace/Stream.h" +#include "ace/Message_Block.h" +#include "ace/FILE_IO.h" + +#include "MessageInfo.h" +#include "Message.h" +#include "BasicTask.h" +#include "EndTask.h" +#include "Util.h" +#include "RecordingDevice.h" + +// Listing 21 code/ch18 +class AnswerIncomingCall : public BasicTask +{ +protected: + virtual int process (Message *message) + { + ACE_TRACE (ACE_TEXT ("AnswerIncomingCall::process()")); + + if (message->recorder ()->answer_call () < 0) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("%p\n"), + ACE_TEXT ("AnswerIncomingCall")), + -1); + return 0; + } +}; +// Listing 21 + +// Listing 22 code/ch18 +class GetCallerId : public BasicTask +{ +protected: + virtual int process (Message *message) + { + ACE_TRACE (ACE_TEXT ("GetCallerId::process()")); + + CallerId *id; + id = message->recorder ()->retrieve_callerId (); + if (!id) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("%p\n"), + ACE_TEXT ("GetCallerId")), + -1); + + message->caller_id (id); + return 0; + } +}; +// Listing 22 + +// Listing 23 code/ch18 +class PlayOutgoingMessage : public BasicTask +{ +protected: + virtual int process (Message *message) + { + ACE_TRACE (ACE_TEXT ("PlayOutgoingMessage::process()")); + + ACE_FILE_Addr outgoing_message = + this->get_outgoing_message (message); + + int pmrv = + message->recorder ()->play_message (outgoing_message); + if (pmrv < 0) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("%p\n"), + ACE_TEXT ("PlayOutgoingMessage")), + -1); + return 0; + } + + ACE_FILE_Addr get_outgoing_message (Message *) + { + // Exclude 23 + return ACE_FILE_Addr (ACE_TEXT ("/tmp/outgoing_message")); + // Exclude 23 + } +}; +// Listing 23 + +// Listing 24 code/ch18 +class RecordIncomingMessage : public BasicTask +{ +protected: + virtual int process (Message *message) + { + ACE_TRACE (ACE_TEXT ("RecordIncomingMessage::process()")); + + ACE_FILE_Addr incoming_message = + this->get_incoming_message_queue (); + + MessageType *type = + message->recorder ()->record_message (incoming_message); + if (!type) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("%p\n"), + ACE_TEXT ("RecordIncomingMessage")), + -1); + message->incoming_message (incoming_message, type); + return 0; + } + + ACE_FILE_Addr get_incoming_message_queue (void) + { + // Exclude 24 + return ACE_FILE_Addr (ACE_TEXT ("/tmp/incoming_message")); + // Exclude 24 + } +}; +// Listing 24 + +// Listing 25 code/ch18 +class ReleaseDevice : public BasicTask +{ +protected: + virtual int process (Message *message) + { + ACE_TRACE (ACE_TEXT ("ReleaseDevice::process()")); + message->recorder ()->release (); + return 0; + } +}; +// Listing 25 + +// Listing 26 code/ch18 +class EncodeMessage : public BasicTask +{ +protected: + virtual int process (Message *message) + { + ACE_TRACE (ACE_TEXT ("ReleaseDevice::process()")); + + ACE_FILE_Addr &incoming = message->addr (); + ACE_FILE_Addr addr = this->get_message_destination (message); + + if (message->is_text ()) + Util::convert_to_unicode (incoming, addr); + else if (message->is_audio ()) + Util::convert_to_mp3 (incoming, addr); + else if (message->is_video ()) + Util::convert_to_mpeg (incoming, addr); + + message->addr (addr); + return 0; + } + + ACE_FILE_Addr get_message_destination (Message *) + { + // Exclude 26 + return ACE_FILE_Addr (ACE_TEXT ("/tmp/encoded_message")); + // Exclude 26 + } +}; +// Listing 26 + +// Listing 27 code/ch18 +class SaveMetaData : public BasicTask +{ +protected: + virtual int process (Message *message) + { + ACE_TRACE (ACE_TEXT ("SaveMetaData::process()")); + + ACE_TString path (message->addr ().get_path_name ()); + path += ACE_TEXT (".xml"); + + ACE_FILE_Connector connector; + ACE_FILE_IO file; + ACE_FILE_Addr addr (path.c_str ()); + if (connector.connect (file, addr) == -1) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("%p\n"), + ACE_TEXT ("create meta-data file")), + 0); + + file.truncate (0); + this->write (file, "<Message>\n"); + // ... + this->write (file, "</Message>\n"); + file.close (); + return 0; + } + +private: + int write (ACE_FILE_IO &file, const char *str) + { + return file.send (str, ACE_OS::strlen (str)); + } +}; +// Listing 27 + +// Listing 28 code/ch18 +class NotifySomeone : public BasicTask +{ +protected: + virtual int process (Message *message) + { + ACE_TRACE (ACE_TEXT ("NotifySomeone::process()")); + + // Format an email to tell someone about the + // newly received message. + // ... + + // Display message information in the logfile + ACE_DEBUG ((LM_INFO, + ACE_TEXT ("New message from %s ") + ACE_TEXT ("received and stored at %s\n"), + message->caller_id ()->string (), + message->addr ().get_path_name ())); + return 0; + } +}; +// Listing 28 + +// Listing 10 code/ch18 +class RecordingStream : public ACE_Stream<ACE_MT_SYNCH> +{ +public: + typedef ACE_Stream<ACE_MT_SYNCH> inherited; + typedef ACE_Module<ACE_MT_SYNCH> Module; + + RecordingStream () : inherited() + { } +// Listing 10 + + // Listing 1000 code/ch18 + virtual int open (void *arg, + Module *head = 0, Module *tail = 0) + { + if (tail == 0) + ACE_NEW_RETURN (tail, + Module (ACE_TEXT ("End Module"), new EndTask ()), + -1); + this->inherited::open (arg, head, tail); + // Listing 1000 + + // Listing 1001 code/ch18 + Module *answerIncomingCallModule; + ACE_NEW_RETURN (answerIncomingCallModule, + Module (ACE_TEXT ("Answer Incoming Call"), + new AnswerIncomingCall ()), + -1); + + // Listing 11 code/ch18 + Module *getCallerIdModule; + ACE_NEW_RETURN (getCallerIdModule, + Module (ACE_TEXT ("Get Caller ID"), new GetCallerId ()), + -1); + // Listing 11 + + Module *playOGMModule; + ACE_NEW_RETURN (playOGMModule, + Module (ACE_TEXT ("Play Outgoing Message"), + new PlayOutgoingMessage ()), + -1); + + Module *recordModule; + ACE_NEW_RETURN (recordModule, + Module (ACE_TEXT ("Record Incoming Message"), + new RecordIncomingMessage ()), + -1); + + Module *releaseModule; + ACE_NEW_RETURN (releaseModule, + Module (ACE_TEXT ("Release Device"), + new ReleaseDevice ()), + -1); + + Module *conversionModule; + ACE_NEW_RETURN (conversionModule, + Module (ACE_TEXT ("Encode Message"), + new EncodeMessage ()), + -1); + + Module *saveMetaDataModule; + ACE_NEW_RETURN (saveMetaDataModule, + Module (ACE_TEXT ("Save Meta-Data"), + new SaveMetaData ()), + -1); + + Module *notificationModule; + ACE_NEW_RETURN (notificationModule, + Module (ACE_TEXT ("Notify Someone"), + new NotifySomeone ()), + -1); + // Listing 1001 + + // Listing 12 code/ch18 + if (this->push (notificationModule) == -1) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("Failed to push %p\n"), + ACE_TEXT ("notificationModule")), + -1); + if (this->push (saveMetaDataModule) == -1) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("Failed to push %p\n"), + ACE_TEXT ("saveMetaDataModule")), + -1); + if (this->push (conversionModule) == -1) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("Failed to push %p\n"), + ACE_TEXT ("conversionModule")), + -1); + if (this->push (releaseModule) == -1) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("Failed to push %p\n"), + ACE_TEXT ("releaseModule")), + -1); + if (this->push (recordModule) == -1) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("Failed to push %p\n"), + ACE_TEXT ("recordModule")), + -1); + if (this->push (playOGMModule) == -1) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("Failed to push %p\n"), + ACE_TEXT ("playOGMModule")), + -1); + if (this->push (getCallerIdModule) == -1) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("Failed to push %p\n"), + ACE_TEXT ("getCallerIdModule")), + -1); + if (this->push (answerIncomingCallModule) == -1) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("Failed to push %p\n") + ACE_TEXT ("answerIncomingCallModule")), + -1); + // Listing 12 + + return 0; + } + + // Listing 13 code/ch18 + int record (RecordingDevice *recorder) + { + ACE_Message_Block * mb; + ACE_NEW_RETURN (mb, ACE_Message_Block (sizeof(Message)), -1); + + Message *message = (Message *)mb->wr_ptr (); + mb->wr_ptr (sizeof(Message)); + + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("RecordingStream::record() - ") + ACE_TEXT ("message->recorder(recorder)\n"))); + message->recorder (recorder); + + int rval = this->put (mb); + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("RecordingStream::record() - ") + ACE_TEXT ("this->put() returns %d\n"), + rval)); + return rval; + } + // Listing 13 +}; + + +// Listing 1 code/ch18 +int ACE_TMAIN (int argc, ACE_TCHAR *argv[]) +{ + RecordingDevice *recorder = + RecordingDeviceFactory::instantiate (argc, argv); + // Listing 1 + + // Listing 2 code/ch18 + RecordingStream *recording_stream; + ACE_NEW_RETURN (recording_stream, RecordingStream, -1); + + if (recording_stream->open (0) < 0) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("%p\n"), + ACE_TEXT ("RecordingStream->open()")), + 0); + // Listing 2 + + // Listing 3 code/ch18 + for (;;) + { + ACE_DEBUG ((LM_INFO, + ACE_TEXT ("Waiting for incoming message\n"))); + RecordingDevice *activeRecorder = + recorder->wait_for_activity (); + + ACE_DEBUG ((LM_INFO, + ACE_TEXT ("Initiating recording process\n"))); + + recording_stream->record (activeRecorder); + } + // Listing 3 + + return 0; +} |