experimental optional DMX_ADD_PID support
[enigma2.git] / lib / base / filepush.cpp
index 3901e76c80296738c02a809969e613d3f132f179..bbce531dd56f1a03e2d7fa669193f7a7938e81bb 100644 (file)
@@ -33,14 +33,8 @@ void eFilePushThread::thread()
        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_handler = signal_handler; // no, SIG_IGN doesn't do it. we want to receive the -EINTR
-       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);
+       source_pos = m_raw_source.lseek(0, SEEK_CUR);
        
                /* m_stop must be evaluated after each syscall. */
        while (!m_stop)
@@ -54,19 +48,18 @@ void eFilePushThread::thread()
 //                     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);
-                       
+//                     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)
+                       if (written_since_last_sync >= 2048*1024)
                        {
                                fdatasync(m_fd_dest);
                                written_since_last_sync = 0;
@@ -84,7 +77,7 @@ void eFilePushThread::thread()
                        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;
                }
                
@@ -98,7 +91,7 @@ void eFilePushThread::thread()
                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)
                {
@@ -119,7 +112,7 @@ void eFilePushThread::thread()
                        {
                                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 */
@@ -128,7 +121,7 @@ void eFilePushThread::thread()
                        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;
@@ -151,9 +144,33 @@ void eFilePushThread::thread()
 
 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::installSigUSR1Handler()
+{
+               /* we set the signal to not restart syscalls, so we can detect our signal. */
+       struct sigaction act;
+       act.sa_handler = signal_handler; // no, SIG_IGN doesn't do it. we want to receive the -EINTR
+       act.sa_flags = 0;
+       sigaction(SIGUSR1, &act, 0);
+}
+
+// called from thread before alive is set to 1
+void eFilePushThread::before_set_thread_alive()
+{
+       installSigUSR1Handler();
 }
 
 void eFilePushThread::stop()
@@ -172,7 +189,7 @@ void eFilePushThread::pause()
 
 void eFilePushThread::seek(int whence, off_t where)
 {
-       ::lseek(m_fd_source, where, whence);
+       m_raw_source.lseek(where, whence);
 }
 
 void eFilePushThread::resume()
@@ -206,7 +223,7 @@ void eFilePushThread::recvEvent(const int &evt)
        m_event(evt);
 }
 
-void eFilePushThread::filterRecordData(const char *data, int len)
+void eFilePushThread::filterRecordData(const unsigned char *data, int len)
 {
        /* do nothing */
 }