-#include <config.h>
#include <lib/base/filepush.h>
#include <lib/base/eerror.h>
#include <errno.h>
void eFilePushThread::thread()
{
- off_t dest_pos = 0;
+ off_t dest_pos = 0, source_pos = 0;
size_t bytes_read = 0;
- off_t current_span_offset;
+ off_t current_span_offset = 0;
size_t current_span_remaining = 0;
+ size_t written_since_last_sync = 0;
+
int already_empty = 0;
eDebug("FILEPUSH THREAD START");
// this is a race. FIXME.
sigaction(SIGUSR1, &act, 0);
dest_pos = lseek(m_fd_dest, 0, SEEK_CUR);
+ source_pos = lseek(m_fd_source, 0, SEEK_CUR);
+
/* m_stop must be evaluated after each syscall. */
while (!m_stop)
{
if (m_buf_start != m_buf_end)
{
// TODO: take care of boundaries.
+ filterRecordData(m_buffer + m_buf_start, m_buf_end - m_buf_start);
int w = write(m_fd_dest, m_buffer + m_buf_start, m_buf_end - m_buf_start);
// eDebug("wrote %d bytes", w);
if (w <= 0)
{
if (errno == -EINTR)
continue;
- eDebug("eFilePushThread *write error* (%m) - not yet handled");
+ break;
// ... we would stop the thread
}
/* this should flush all written pages to disk. */
posix_fadvise(m_fd_dest, dest_pos, w, POSIX_FADV_DONTNEED);
-
+
dest_pos += w;
+ written_since_last_sync += w;
+
+ if (written_since_last_sync >= 512*1024)
+ {
+ fdatasync(m_fd_dest);
+ written_since_last_sync = 0;
+ }
+
// printf("FILEPUSH: wrote %d bytes\n", w);
m_buf_start += w;
continue;
if (m_sg && !current_span_remaining)
{
- m_sg->getNextSourceSpan(bytes_read, current_span_offset, current_span_remaining);
+ m_sg->getNextSourceSpan(source_pos, bytes_read, current_span_offset, current_span_remaining);
+
+ if (source_pos != current_span_offset)
+ source_pos = lseek(m_fd_source, current_span_offset, SEEK_SET);
bytes_read = 0;
}
size_t maxread = sizeof(m_buffer);
/* if we have a source span, don't read past the end */
- if (m_sg && maxread < current_span_remaining)
+ if (m_sg && maxread > current_span_remaining)
maxread = current_span_remaining;
m_buf_start = 0;
if (maxread)
m_buf_end = read(m_fd_source, m_buffer, maxread);
- bytes_read += m_buf_end;
-
if (m_buf_end < 0)
{
m_buf_end = 0;
if (errno == EINTR)
continue;
- eDebug("eFilePushThread *read error* - not yet handled");
+ if (errno == EOVERFLOW)
+ {
+ eWarning("OVERFLOW while recording");
+ continue;
+ }
+ eDebug("eFilePushThread *read error* (%m) - not yet handled");
}
if (m_buf_end == 0)
{
#endif
break;
} else
+ {
+ source_pos += m_buf_end;
+ bytes_read += m_buf_end;
+ if (m_sg)
+ current_span_remaining -= m_buf_end;
already_empty = 0;
+ }
// printf("FILEPUSH: read %d bytes\n", m_buf_end);
}
m_send_pvr_commit = s;
}
+void eFilePushThread::setScatterGather(iFilePushScatterGather *sg)
+{
+ m_sg = sg;
+}
+
void eFilePushThread::sendEvent(int evt)
{
m_messagepump.send(evt);
{
m_event(evt);
}
+
+void eFilePushThread::filterRecordData(const unsigned char *data, int len)
+{
+ /* do nothing */
+}
+