UInt16 OpenPrefsDatabase(void) {
JMPalmPrefs = DmOpenDatabaseByTypeCreator(JMPalmPrefsType, JMPalmAppID,
dmModeReadWrite);
// the database doesn't exist
if (!JMPalmPrefs) {
MemHandle foo;
UInt16 position = 1;
if (DmCreateDatabase(0, JMPalmPrefsName,
JMPalmAppID, JMPalmPrefsType, false))
return true;
JMPalmPrefs = DmOpenDatabaseByTypeCreator(JMPalmPrefsType, JMPalmAppID,
dmModeReadWrite);
ResetHeader();
// create dummy record
foo = DmNewRecord(JMPalmPrefs, &position, sizeof(headerdata));
DmReleaseRecord(JMPalmPrefs, position, true);
WriteHeader();
// Do some special handling for the first run of the application
HandleFirstRun();
}
return false;
}
CFileLayer::CFileLayer(char* pName)
: CBaseLayer(pName)
{
ResetHeader();
m_ackReady = FALSE;
BooleanErr = TRUE;
RecEnd = FALSE;
}
ARPLayer::ARPLayer(char* pName)
: CBaseLayer(pName)
{
ResetHeader();
ARPTable.InitHashTable(23);
}
// Read the header data
UInt16 ReadHeader(void) {
UInt16 err;
MemHandle headerMH = NULL;
MemPtr headerMP = NULL;
headerdata* foo;
err = false;
headerMH = DmGetRecord(JMPalmPrefs, 0);
if (headerMH != NULL)
headerMP = MemHandleLock(headerMH);
foo = (headerdata*)headerMP;
// copy the object
if (foo != NULL) {
memcpy(&hd, foo, sizeof(headerdata));
// Header version incompatible?
if (hd.version <= INCOMPATIBILITY_LEVEL) {
FrmCustomAlert(ErrorMessageForm, "Installation error: You must"\
" delete old JMPalm versions before installing"\
" this version. Please delete and reinstall.",
0, 0);
err = true;
}
else if (hd.version < CURRENT_SETTINGS_VERSION) {
FrmCustomAlert(ErrorMessageForm, "New (incompatible) version of "\
"JMPalm installed, "\
"your settings are lost!", 0, 0);
drawSplash();
ResetHeader();
}
}
if (headerMH != NULL) {
MemHandleUnlock(headerMH);
DmReleaseRecord(JMPalmPrefs, 0, true);
}
return err;
}
CEthernetLayer::CEthernetLayer( char* pName )
: CBaseLayer( pName )
{
ResetHeader( ) ;
}
CIPLayer::CIPLayer( char* pName )
: CBaseLayer( pName )
{
ResetHeader( );
}
CChatAppLayer::CChatAppLayer( char* pName )
: CBaseLayer( pName ),
mp_Dlg( NULL )
{
ResetHeader( ) ;
}
CARPLayer::CARPLayer(char* pName)
: CBaseLayer( pName ), ARP_REQUEST(0x100), ARP_REPLY(0x200) // bigendian 으로 가기때문에 이렇게 설정.
{
ResetHeader();
}
BinaryMessage& BinaryMessage::operator=(const BinaryMessage& rvalue) {
data_ = rvalue.data_;
ResetHeader();
return *this;
}
BinaryMessage::BinaryMessage(const BinaryMessage& other) : Message(MessageType::BINARY) {
data_ = other.data_;
ResetHeader();
}
BinaryMessage::BinaryMessage(const char* data, uint32_t length, bool has_hdr) : Message(MessageType::BINARY) {
AssignData(data, length, has_hdr);
ResetHeader();
}
BinaryMessage::BinaryMessage(const std::string& data, bool has_hdr) : Message(MessageType::BINARY) {
AssignData(data.data(), data.size(), has_hdr);
ResetHeader();
}
CARPLayer::CARPLayer(char* pName)
: CBaseLayer( pName ), ARP_REQUEST(0x100), ARP_REPLY(0x200)
{
ResetHeader();
}