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Commit 2aedf373 authored by Nicolas Roulet's avatar Nicolas Roulet
Browse files

NBLog: add buffer hex dump 

Bug: 36724290
Test: create and print entries, check dump matches expected content
Change-Id: I71c4df287535b460838afc2d3ce651744850bf49
parent 537ad7da

media/libnbaio/NBLog.cpp

+17 −0
Original line number Diff line number Diff line
@@ -1018,6 +1018,23 @@ void NBLog::appendPID(String8 *body, const void* data, size_t length) { 
    body->appendFormat("<PID: %d, name: %.*s>", id, (int) (length - sizeof(pid_t)), name);

}



String8 NBLog::bufferHexDump(const uint8_t *buffer, size_t size)

{

    String8 str;

    str.append("[ ");

    for(size_t i = 0; i < size; i++)

    {

        str.appendFormat("%02x ", buffer[i]);

    }

    str.append("]");

    return str;

}



String8 NBLog::bufferHexDump(const EntryIterator &it)

{

    return bufferHexDump(it, it->length + Entry::kOverhead);

}



NBLog::EntryIterator NBLog::Reader::handleFormat(const FormatEntry &fmtEntry,

                                                         String8 *timestamp,

                                                         String8 *body) {

media/libnbaio/include/NBLog.h

+2 −1
Original line number Diff line number Diff line
@@ -261,7 +261,8 @@ struct HistIntEntry { 
    static void    appendPID(String8 *body, const void *data, size_t length);

    static void    appendTimestamp(String8 *body, const void *data);

    static size_t  fmtEntryLength(const uint8_t *data);



    static String8 bufferHexDump(const uint8_t *buffer, size_t size);

    static String8 bufferHexDump(const EntryIterator &it);

public:



// Located in shared memory, must be POD.