bool CSMOption::Init(key_t key, uint32 u4Size, uint32 u4ObjectCount, bool& blIsCreate)
{
bool blIsLinuxFirst = false;
//得到共享内存大小
//1字节当前共享内存状态，0是未初始化，1是已初始化
//4字节的共享内存更新信息，由watch维护更新
uint32 u4MemorySize = sizeof(uint8) + sizeof(uint32) + sizeof(_SMHeader)*u4ObjectCount + u4Size*u4ObjectCount;
#ifdef WIN32
if(m_pShareMemory == NULL)
{
m_pShareMemory = new ACE_Shared_Memory_MM(key, u4MemorySize);
}
#else
if(m_pShareMemory == NULL)
{
m_pShareMemory = new ACE_Shared_Memory_SV();
//先尝试打开共享内存
int nError = m_pShareMemory->open(key, u4MemorySize, ACE_Shared_Memory_SV::ACE_OPEN);
if(nError != 0)
{
//创建共享内存
nError = m_pShareMemory->open(key, u4MemorySize, ACE_Shared_Memory_SV::ACE_CREATE);
if(nError != 0)
{
OUR_DEBUG((LM_ERROR, "[CSMOption::Init]create share memory fail(%d).\n", errno));
}
blIsLinuxFirst = true;
}
blIsCreate = true;
}
#endif
m_pData = (char *)m_pShareMemory->malloc();
if(NULL == m_pData)
{
//PRINTF("[CSMOption::Init]open share memory fail.\n");
return false;
}
if(true == blIsLinuxFirst)
{
ACE_OS::memset(m_pData, 0, u4MemorySize);
}
m_u4ObjectCount = u4ObjectCount;
m_u4BufferSize = u4Size;
//是否初始化共享内存
bool blState = GetInitState();
if(true == blState)
{
Init_Memory();
}
else
{
Init_Memory();
blIsCreate = false;
}
return true;
}
Spike_Logger::Spike_Logger(void) : DefaultGUIModel("Delayed Buffer To Log",::vars,::num_vars) {
setWhatsThis(
"<p><b>Delayed Buffer To Log:</b><br>This module will delay the input signal and on demand will start to output it to the loggind model</p>");
createGUI(vars, num_vars);
/*
* Initialize Parameters & Variables
*/
Channel_A = NULL;
Channel_B = NULL;
Channel_C = NULL;
Channel_D = NULL;
Channel_E = NULL;
Channel_F = NULL;
Channel_G = NULL;
Channel_H = NULL;
Channel_I = NULL;
Channel_J = NULL;
Iteration_Back = 25; // default size
Init_Memory();
/*
* Initialize the GUI
*/
setParameter("How Much Back?",Iteration_Back);
refresh();
QTimer::singleShot(0, this, SLOT(resizeMe()));
}
void Spike_Logger::update(DefaultGUIModel::update_flags_t flag) {
if(flag == MODIFY) {
int temp_Memory_Back = getParameter("How Much Back?").toDouble();
if (temp_Memory_Back != Iteration_Back){
Iteration_Back = temp_Memory_Back;
Init_Memory();
}
}
}
