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pvData/src/misc/status.cpp

94 lines
2.4 KiB
C++

/*status.cpp*/
/*
* Copyright information and license terms for this software can be
* found in the file LICENSE that is included with the distribution
*/
/**
* @author mrk
*/
#define epicsExportSharedSymbols
#include <pv/epicsException.h>
#include <pv/serializeHelper.h>
#include <pv/status.h>
using std::string;
namespace epics { namespace pvData {
const char* Status::StatusTypeName[] = { "OK", "WARNING", "ERROR", "FATAL" };
Status Status::Ok;
Status::Status(StatusType type, string const & message) :
m_statusType(type), m_message(message)
{
if (type == STATUSTYPE_OK)
throw std::invalid_argument("type == STATUSTYPE_OK");
}
Status::Status(StatusType type, string const & message, string const & stackDump) :
m_statusType(type), m_message(message), m_stackDump(stackDump)
{
if (type == STATUSTYPE_OK)
throw std::invalid_argument("type == STATUSTYPE_OK");
}
void Status::maximize(const Status& o)
{
if(m_statusType < o.m_statusType) {
m_statusType = o.m_statusType;
m_message = o.m_message;
m_stackDump = o.m_stackDump;
}
}
void Status::serialize(ByteBuffer *buffer, SerializableControl *flusher) const
{
flusher->ensureBuffer(1);
if (m_statusType == STATUSTYPE_OK)
{
// special code for okStatus (optimization)
buffer->putByte((int8)-1);
}
else
{
buffer->putByte((int8)m_statusType);
SerializeHelper::serializeString(m_message, buffer, flusher);
SerializeHelper::serializeString(m_stackDump, buffer, flusher);
}
}
void Status::deserialize(ByteBuffer *buffer, DeserializableControl *flusher)
{
flusher->ensureData(1);
int8 typeCode = buffer->getByte();
if (typeCode == (int8)-1)
{
// in most of the cases status will be OK, we statistically optimize
if (m_statusType != STATUSTYPE_OK)
{
m_statusType = STATUSTYPE_OK;
m_message.clear();
m_stackDump.clear();
}
}
else
{
m_statusType = (StatusType)typeCode;
m_message = SerializeHelper::deserializeString(buffer, flusher);
m_stackDump = SerializeHelper::deserializeString(buffer, flusher);
}
}
void Status::dump(std::ostream& o) const
{
o << "Status [type=" << Status::StatusTypeName[m_statusType];
if (!m_message.empty())
o << ", message=" << m_message;
if (!m_stackDump.empty())
o << ", stackDump=" << std::endl << m_stackDump;
o << ']';
}
}}