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      1 /* ------------------------------------------------------------------
      2  * Copyright (C) 1998-2009 PacketVideo
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
     13  * express or implied.
     14  * See the License for the specific language governing permissions
     15  * and limitations under the License.
     16  * -------------------------------------------------------------------
     17  */
     18 #ifndef PVLOGGER_STDERR_APPENDER_H_INCLUDED
     19 #define PVLOGGER_STDERR_APPENDER_H_INCLUDED
     20 
     21 #ifndef PVLOGGERACCESSORIES_H_INCLUDED
     22 #include "pvlogger_accessories.h"
     23 #endif
     24 
     25 #ifndef OSCLCONFIG_UTIL_H_INCLUDED
     26 #include "osclconfig_util.h"
     27 #endif
     28 #ifndef OSCL_MEM_H_INCLUDED
     29 #include "oscl_mem.h"
     30 #endif
     31 
     32 /**
     33  * Class: StdErrAppender
     34  *
     35  */
     36 template < class Layout, int32 LayoutBufferSize, class Lock = OsclNullLock >
     37 class StdErrAppender : public PVLoggerAppender
     38 {
     39     public:
     40         typedef PVLoggerAppender::message_id_type message_id_type;
     41 
     42         StdErrAppender()
     43         {
     44             stringbuf = NULL;
     45             wstringbuf = NULL;
     46         }
     47         virtual ~StdErrAppender()
     48         {
     49             if (stringbuf)
     50                 OSCL_DEFAULT_FREE(stringbuf);
     51             if (wstringbuf)
     52                 OSCL_DEFAULT_FREE((OsclAny*)wstringbuf);
     53         }
     54 
     55         void AppendString(message_id_type msgID, const char *fmt, va_list va)
     56         {
     57             _lock.Lock();
     58 
     59             int32 size;
     60 
     61             if (!stringbuf)
     62             {
     63                 stringbuf = (char*)OSCL_DEFAULT_MALLOC(LayoutBufferSize);
     64                 if (!stringbuf)
     65                     return;//allocation failed-- just exit gracefully.
     66             }
     67 
     68             size = _layout.FormatString(stringbuf, LayoutBufferSize, msgID, fmt, va);
     69 
     70             {
     71                 fprintf(stderr, "%s", stringbuf);
     72                 fprintf(stderr, "\n");
     73             }
     74 
     75             _lock.Unlock();
     76         }
     77         void AppendBuffers(message_id_type msgID, int32 numPairs, va_list va)
     78         {
     79             OSCL_UNUSED_ARG(msgID);
     80 
     81             for (int32 i = 0; i < numPairs; i++)
     82             {
     83                 int32 length = va_arg(va, int32);
     84                 uint8* buffer = va_arg(va, uint8*);
     85 
     86                 int32 jj;
     87                 for (jj = 10; jj < length; jj += 10)
     88                 {
     89                     AppendStringA(0, "  %x %x %x %x %x %x %x %x %x %x", buffer[0], buffer[1], buffer[2], buffer[3], buffer[4], buffer[5], buffer[6], buffer[7], buffer[8], buffer[9]);
     90                     buffer += 10;
     91                 }
     92 
     93                 uint8 remainderbuf[10];
     94                 uint32 remainder = length - (jj - 10);
     95                 if (remainder > 0 && remainder <= 10)
     96                 {
     97                     oscl_memcpy(remainderbuf, buffer, remainder);
     98                     oscl_memset(remainderbuf + remainder, 0, 10 - remainder);
     99                     buffer = remainderbuf;
    100                     AppendStringA(0, "  %x %x %x %x %x %x %x %x %x %x", buffer[0], buffer[1], buffer[2], buffer[3], buffer[4], buffer[5], buffer[6], buffer[7], buffer[8], buffer[9]);
    101                 }
    102             }
    103             va_end(va);
    104         }
    105 
    106     private:
    107         void AppendStringA(message_id_type msgID, const char *fmt, ...)
    108         {
    109             va_list arguments;
    110             va_start(arguments, fmt);
    111             AppendString(msgID, fmt, arguments);
    112             va_end(arguments);
    113         }
    114 
    115         Layout _layout;
    116         Lock _lock;
    117         char* stringbuf;
    118         oscl_wchar* wstringbuf;
    119 
    120 };
    121 
    122 #endif // PVLOGGER_STDERR_APPENDER_H_INCLUDED
    123 
    124