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      1 /*---------------------------------------------------------------------------*
      2  *  SR_EventLogImpl.h  *
      3  *                                                                           *
      4  *  Copyright 2007, 2008 Nuance Communciations, Inc.                               *
      5  *                                                                           *
      6  *  Licensed under the Apache License, Version 2.0 (the 'License');          *
      7  *  you may not use this file except in compliance with the License.         *
      8  *                                                                           *
      9  *  You may obtain a copy of the License at                                  *
     10  *      http://www.apache.org/licenses/LICENSE-2.0                           *
     11  *                                                                           *
     12  *  Unless required by applicable law or agreed to in writing, software      *
     13  *  distributed under the License is distributed on an 'AS IS' BASIS,        *
     14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
     15  *  See the License for the specific language governing permissions and      *
     16  *  limitations under the License.                                           *
     17  *                                                                           *
     18  *---------------------------------------------------------------------------*/
     19 
     20 #ifndef __SR_EventLogIMPL_H
     21 #define __SR_EventLogIMPL_H
     22 
     23 
     24 
     25 #include <stdlib.h>
     26 #include "ESR_ReturnCode.h"
     27 #include "ESR_SessionTypeListener.h"
     28 
     29 #define TOK_BUFLEN (2*P_PATH_MAX)
     30 #define MAX_LOG_RECORD (16*1024)
     31 
     32 /**
     33  * EventLog implementation.
     34  */
     35 
     36 typedef enum
     37 {
     38   FILE_OK,
     39   SPACE_SETTING,
     40   UNINITIALIZED,
     41   NO_FILE,
     42   FILE_ERROR,
     43   SEEK_ERROR
     44 } EventLogFileState;
     45 
     46 typedef struct SR_EventLogImpl_t
     47 {
     48   /**
     49    * Interface functions that must be implemented.
     50    */
     51   SR_EventLog Interface;
     52 
     53   LCHAR tokenBuf[MAX_LOG_RECORD];
     54 
     55   long serviceStartUserCPU;
     56   long serviceStartKernelCPU;
     57 
     58   EventLogFileState logFile_state;
     59   ESR_SessionTypeListener sessionListener;
     60   ESR_SessionTypeListenerPair sessionListenerPair;
     61 
     62   PFile* logFile;
     63   size_t logLevel;
     64   LCHAR logFilename[P_PATH_MAX];
     65   LCHAR waveformFilename[P_PATH_MAX];
     66   PFile* waveformFile;
     67   size_t waveformCounter;
     68   size_t waveform_num_bytes;
     69   size_t waveform_sample_rate;
     70   size_t waveform_bytes_per_sample;
     71 }
     72 SR_EventLogImpl;
     73 
     74 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLog_Destroy(SR_EventLog* self);
     75 
     76 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLog_Token(SR_EventLog* self, const LCHAR* token, const LCHAR *value);
     77 
     78 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLog_TokenInt(SR_EventLog* self, const LCHAR* token, int value);
     79 
     80 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLog_TokenUint16_t(SR_EventLog* self, const LCHAR* token, asr_uint16_t value);
     81 
     82 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLog_TokenSize_t(SR_EventLog* self, const LCHAR* token, size_t value);
     83 
     84 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLog_TokenBool(SR_EventLog* self, const LCHAR* token, ESR_BOOL value);
     85 
     86 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLog_TokenFloat(SR_EventLog* self, const LCHAR* token, float value);
     87 
     88 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLogEventSessionImpl(SR_EventLog* self);
     89 
     90 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLog_Event(SR_EventLog* self, const LCHAR* eventName);
     91 
     92 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLog_AudioOpen(SR_EventLog* self, const LCHAR* audio_type, size_t sample_rate, size_t sample_size);
     93 
     94 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLog_AudioClose(SR_EventLog* self);
     95 
     96 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLog_AudioWrite(SR_EventLog* self, void* buffer, size_t num_bytes);
     97 
     98 SREC_EVENTLOG_API ESR_ReturnCode SR_EventLog_AudioGetFilename(SR_EventLog* self, LCHAR* waveformFilename, size_t* len);
     99 
    100 #endif /* __SR_EventLogIMPL_H */
    101