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/** --------------------------------------------------------------------
* @file multilogdevice.cc
* @brief Implementation of the MultilogDevice class
* @author Andreas Aardal Hanssen
* @date 2003/2023
* --------------------------------------------------------------- **/
#include "multilogdevice.h"
#include <string>
#include <errno.h>
#include <sys/select.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
using namespace ::std;
using namespace ::Binc;
//------------------------------------------------------------------------
MultilogDevice::MultilogDevice(int f) : IODevice(f) {}
//------------------------------------------------------------------------
MultilogDevice::~MultilogDevice(void) {}
//------------------------------------------------------------------------
string MultilogDevice::service(void) const
{
return "log";
}
//------------------------------------------------------------------------
bool MultilogDevice::waitForWrite(void) const
{
fd_set writeMask;
FD_ZERO(&writeMask);
FD_SET(fileno(stderr), &writeMask);
struct timeval tv;
tv.tv_sec = getTimeout();
tv.tv_usec = 0;
int result = select(fileno(stderr) + 1, 0, &writeMask, 0, tv.tv_sec ? &tv : 0);
return result > 0;
}
//------------------------------------------------------------------------
bool MultilogDevice::waitForRead(void) const
{
return false;
}
//------------------------------------------------------------------------
IODevice::WriteResult MultilogDevice::write(void)
{
for (;;) {
ssize_t wrote = ::write(fileno(stderr), outputBuffer.str().c_str(), outputBuffer.getSize());
if (wrote == -1) {
if (errno == EINTR)
continue;
else
return WriteError;
}
if ((unsigned int)wrote == outputBuffer.getSize()) {
outputBuffer.clear();
return WriteDone;
}
outputBuffer.popString(wrote);
return WriteWait;
}
}
//------------------------------------------------------------------------
bool MultilogDevice::fillInputBuffer(void)
{
return false;
}
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