/*
 * Copyright 2012, Rene Gollent, rene@gollent.com.
 * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */

#include "Jobs.h"

#include <AutoLocker.h>

#include "Team.h"
#include "TeamMemory.h"
#include "TeamMemoryBlock.h"


RetrieveMemoryBlockJob::RetrieveMemoryBlockJob(Team* team,
        TeamMemory* teamMemory, TeamMemoryBlock* memoryBlock)
        :
        fKey(memoryBlock, JOB_TYPE_GET_MEMORY_BLOCK),
        fTeam(team),
        fTeamMemory(teamMemory),
        fMemoryBlock(memoryBlock)
{
        fTeamMemory->AcquireReference();
        fMemoryBlock->AcquireReference();
}


RetrieveMemoryBlockJob::~RetrieveMemoryBlockJob()
{
        fTeamMemory->ReleaseReference();
        fMemoryBlock->ReleaseReference();
}


const JobKey&
RetrieveMemoryBlockJob::Key() const
{
        return fKey;
}


status_t
RetrieveMemoryBlockJob::Do()
{
        ssize_t result = fTeamMemory->ReadMemory(fMemoryBlock->BaseAddress(),
                fMemoryBlock->Data(), fMemoryBlock->Size());
        if (result < 0) {
                fMemoryBlock->NotifyDataRetrieved(result);
                return result;
        }

        uint32 protection = 0;
        uint32 locking = 0;
        status_t error = fTeamMemory->GetMemoryProperties(
                fMemoryBlock->BaseAddress(), protection, locking);
        if (error != B_OK) {
                fMemoryBlock->NotifyDataRetrieved(error);
                return error;
        }

        fMemoryBlock->SetWritable((protection & B_WRITE_AREA) != 0);
        fMemoryBlock->MarkValid();
        return B_OK;
}