bool File::OpenData(int openmode)
{
Close();
srctype = MODE_MYDATA;
if(openmode == 0)
return false;
ResizeDataBuffer(64);
mode = openmode;
return true;
}
bool File::WriteData(const void* d, int size)
{
if(mode & FILEWRITE)
{
switch(srctype)
{
case MODE_MYFILE:
case MODE_EXTFILE:
return FileWrite(file,d,size);
case MODE_MYDATA: //resize if buffer's not big enough
if(datapos + size > datasize) {
int a=datapos+size,b=datasize*2;
ResizeDataBuffer(Max(a,b));
}
memcpy(datafile+datapos, d, size);
datapos += size;
return true;
case MODE_EXTDATA:
if(datapos + size > datasize)
return false;
memcpy(datafile+datapos, d, size);
datapos += size;
return true;
case MODE_TCPSOCKET:
case MODE_UDPSOCKET:
{
const char* msg = (const char*)d;
int totalsent = 0;
while(totalsent < size) {
int n = SocketWrite(socket,msg+totalsent,size-totalsent);
if(n < 0) {
perror("File(socket) SocketWrite");
return false;
}
if(n == 0) {
printf("File(socket): SocketWrite returned %d, what does it mean?\n",n);
ThreadSleep(0.001);
}
totalsent += n;
}
assert(totalsent == size);
return true;
}
}
}
return false;
}
bool File::WriteData(const void* d, int size)
{
if(mode & FILEWRITE)
{
switch(srctype)
{
case MODE_MYFILE:
case MODE_EXTFILE:
return FileWrite(file,d,size);
case MODE_MYDATA: //resize if buffer's not big enough
if(datapos + size > datasize) {
int a=datapos+size,b=datasize*2;
ResizeDataBuffer(Max(a,b));
}
memcpy(datafile+datapos, d, size);
datapos += size;
return true;
case MODE_EXTDATA:
if(datapos + size > datasize)
return false;
memcpy(datafile+datapos, d, size);
datapos += size;
return true;
case MODE_TCPSOCKET:
case MODE_UDPSOCKET:
{
const char* msg = (const char*)d;
int totalsent = 0;
while(totalsent < size) {
int n = write((int)file,msg+totalsent,size-totalsent);
if(n <= 0) {
return false;
}
totalsent += n;
}
assert(totalsent == size);
return true;
}
}
}
return false;
}
