/* -*- c++ -*- */
/*
- * Copyright 2004,2006 Free Software Foundation, Inc.
+ * Copyright 2004,2006,2007 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
#include <gr_file_sink.h>
#include <gr_io_signature.h>
-#include <cstdio>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
#include <stdexcept>
-// win32 (mingw/msvc) specific
-#ifdef HAVE_IO_H
-#include <io.h>
-#endif
-#ifdef O_BINARY
-#define OUR_O_BINARY O_BINARY
-#else
-#define OUR_O_BINARY 0
-#endif
-// should be handled via configure
-#ifdef O_LARGEFILE
-#define OUR_O_LARGEFILE O_LARGEFILE
-#else
-#define OUR_O_LARGEFILE 0
-#endif
+gr_file_sink_sptr
+gr_make_file_sink (size_t itemsize, const char *filename)
+{
+ return gr_file_sink_sptr (new gr_file_sink (itemsize, filename));
+}
gr_file_sink::gr_file_sink(size_t itemsize, const char *filename)
: gr_sync_block ("file_sink",
gr_make_io_signature(1, 1, itemsize),
gr_make_io_signature(0, 0, 0)),
- d_itemsize(itemsize), d_fp(0), d_new_fp(0), d_updated(false)
+ gr_file_sink_base(filename, true),
+ d_itemsize(itemsize)
{
if (!open(filename))
throw std::runtime_error ("can't open file");
}
-gr_file_sink_sptr
-gr_make_file_sink (size_t itemsize, const char *filename)
-{
- return gr_file_sink_sptr (new gr_file_sink (itemsize, filename));
-}
-
gr_file_sink::~gr_file_sink ()
{
- close();
- if (d_fp){
- fclose((FILE *) d_fp);
- d_fp = 0;
- }
-}
-
-bool
-gr_file_sink::open(const char *filename)
-{
- omni_mutex_lock l(d_mutex); // hold mutex for duration of this function
-
- // we use the open system call to get access to the O_LARGEFILE flag.
- int fd;
- if ((fd = ::open (filename,
- O_WRONLY|O_CREAT|O_TRUNC|OUR_O_LARGEFILE|OUR_O_BINARY, 0664)) < 0){
- perror (filename);
- return false;
- }
-
- if (d_new_fp){ // if we've already got a new one open, close it
- fclose((FILE *) d_new_fp);
- d_new_fp = 0;
- }
-
- if ((d_new_fp = fdopen (fd, "wb")) == NULL){
- perror (filename);
- ::close(fd); // don't leak file descriptor if fdopen fails.
- }
-
- d_updated = true;
- return d_new_fp != 0;
-}
-
-void
-gr_file_sink::close()
-{
- omni_mutex_lock l(d_mutex); // hold mutex for duration of this function
-
- if (d_new_fp){
- fclose((FILE *) d_new_fp);
- d_new_fp = 0;
- }
- d_updated = true;
}
int
char *inbuf = (char *) input_items[0];
int nwritten = 0;
- if (d_updated){
- omni_mutex_lock l(d_mutex); // hold mutex for duration of this block
- if (d_fp)
- fclose((FILE *)d_fp);
- d_fp = d_new_fp; // install new file pointer
- d_new_fp = 0;
- d_updated = false;
- }
+ do_update(); // update d_fp is reqd
if (!d_fp)
return noutput_items; // drop output on the floor
while (nwritten < noutput_items){
- int count = fwrite (inbuf, d_itemsize, noutput_items - nwritten, (FILE *) d_fp);
+ int count = fwrite (inbuf, d_itemsize, noutput_items - nwritten, d_fp);
if (count == 0) // FIXME add error handling
break;
nwritten += count;