#define PVR_COMMIT 1
-eFilePushThread::eFilePushThread(): m_messagepump(eApp, 0)
+eFilePushThread::eFilePushThread(int io_prio_class, int io_prio_level)
+ :prio_class(io_prio_class), prio(io_prio_level), m_messagepump(eApp, 0)
{
m_stop = 0;
m_sg = 0;
void eFilePushThread::thread()
{
+ setIoPrio(prio_class, prio);
+
off_t dest_pos = 0, source_pos = 0;
size_t bytes_read = 0;
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.
/* we set the signal to not restart syscalls, so we can detect our signal. */
struct sigaction act;
act.sa_flags = 0;
sigaction(SIGUSR1, &act, 0);
- dest_pos = lseek(m_fd_dest, 0, SEEK_CUR);
- source_pos = lseek(m_fd_source, 0, SEEK_CUR);
+ hasStarted();
+
+ source_pos = m_raw_source.lseek(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)
+ if (errno == EINTR)
continue;
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);
+ written_since_last_sync += w;
+
+ if (written_since_last_sync >= 512*1024)
+ {
+ int toflush = written_since_last_sync > 2*1024*1024 ?
+ 2*1024*1024 : written_since_last_sync &~ 4095; // write max 2MB at once
+ dest_pos = lseek(m_fd_dest, 0, SEEK_CUR);
+ dest_pos -= toflush;
+ posix_fadvise(m_fd_dest, dest_pos, toflush, POSIX_FADV_DONTNEED);
+ written_since_last_sync -= toflush;
+ }
- dest_pos += w;
// printf("FILEPUSH: wrote %d bytes\n", w);
m_buf_start += w;
continue;
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);
+ source_pos = m_raw_source.lseek(current_span_offset, SEEK_SET);
bytes_read = 0;
}
m_buf_end = 0;
if (maxread)
- m_buf_end = read(m_fd_source, m_buffer, maxread);
+ m_buf_end = m_raw_source.read(m_buffer, maxread);
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)
{
{
eDebug("sending PVR commit");
already_empty = 1;
- if (::ioctl(m_fd_dest, PVR_COMMIT) == EINTR)
+ if (::ioctl(m_fd_dest, PVR_COMMIT) < 0 && errno == EINTR)
continue;
eDebug("commit done");
/* well check again */
sendEvent(evtEOF);
#if 0
eDebug("FILEPUSH: end-of-file! (currently unhandled)");
- if (!lseek(m_fd_source, 0, SEEK_SET))
+ if (!m_raw_source.lseek(0, SEEK_SET))
{
eDebug("(looping)");
continue;
}
// printf("FILEPUSH: read %d bytes\n", m_buf_end);
}
-
+ fdatasync(m_fd_dest);
+
eDebug("FILEPUSH THREAD STOP");
}
void eFilePushThread::start(int fd_source, int fd_dest)
{
- m_fd_source = fd_source;
+ m_raw_source.setfd(fd_source);
+ m_fd_dest = fd_dest;
+ resume();
+}
+
+int eFilePushThread::start(const char *filename, int fd_dest)
+{
+ if (m_raw_source.open(filename) < 0)
+ return -1;
m_fd_dest = fd_dest;
resume();
+ return 0;
}
void eFilePushThread::stop()
{
- if (!thread_running()) /* FIXME: races */
+ /* if we aren't running, don't bother stopping. */
+ if (!sync())
return;
+
m_stop = 1;
- sendSignal(SIGUSR1);
+
+ // fixmee.. here we need a better solution to ensure
+ // that the thread context take notice of the signal
+ // even when no syscall is in progress
+ while(!sendSignal(SIGUSR1))
+ {
+ eDebug("send SIGUSR1 to thread context");
+ usleep(5000); // wait msek
+ }
kill();
}
void eFilePushThread::seek(int whence, off_t where)
{
- ::lseek(m_fd_source, where, whence);
+ m_raw_source.lseek(where, whence);
}
void eFilePushThread::resume()
{
m_event(evt);
}
+
+void eFilePushThread::filterRecordData(const unsigned char *data, int len)
+{
+ /* do nothing */
+}
+