lliopipe.cpp

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#include "linden_common.h"
#include "lliopipe.h"

#include "llpumpio.h"

static const std::string STATUS_SUCCESS_NAMES[LLIOPipe::STATUS_SUCCESS_COUNT] =
{
        std::string("STATUS_OK"),
        std::string("STATUS_STOP"),
        std::string("STATUS_DONE"),
        std::string("STATUS_BREAK"),
        std::string("STATUS_NEED_PROCESS"),
};

static const std::string STATUS_ERROR_NAMES[LLIOPipe::STATUS_ERROR_COUNT] =
{
        std::string("STATUS_ERROR"),
        std::string("STATUS_NOT_IMPLEMENTED"),
        std::string("STATUS_PRECONDITION_NOT_MET"),
        std::string("STATUS_NO_CONNECTION"),
        std::string("STATUS_LOST_CONNECTION"),
        std::string("STATUS_EXPIRED"),
};

// Debugging schmutz for deadlock
const char      *gPumpFile = "";
S32                     gPumpLine = 0;

void pump_debug(const char *file, S32 line)
{
        gPumpFile = file;
        gPumpLine = line;
}

LLIOPipe::LLIOPipe() :
        mReferenceCount(0)
{
}

LLIOPipe::~LLIOPipe()
{
        //lldebugs << "destroying LLIOPipe" << llendl;
}

// static
std::string LLIOPipe::lookupStatusString(EStatus status)
{
        if((status >= 0) && (status < STATUS_SUCCESS_COUNT))
        {
                return STATUS_SUCCESS_NAMES[status];
        }
        else
        {
                S32 error_code = ((S32)status * -1) - 1;
                if(error_code < STATUS_ERROR_COUNT)
                {
                        return STATUS_ERROR_NAMES[error_code];
                }
        }
        std::string rv;
        return rv;
}

LLIOPipe::EStatus LLIOPipe::process(
        const LLChannelDescriptors& channels,
        buffer_ptr_t& buffer,
        bool& eos,
        LLSD& context,
        LLPumpIO* pump)
{
        return process_impl(channels, buffer, eos, context, pump);
}

// virtual
LLIOPipe::EStatus LLIOPipe::handleError(
        LLIOPipe::EStatus status,
        LLPumpIO* pump)
{
        // by default, the error is not handled.
        return status;
}

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