Add timed_read[v], buffer_timed_[get|put]v

Signed-off-by: Laurent Bercot <ska@appnovation.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/libunixonacid/timed_readv.c b/src/libunixonacid/timed_readv.c
new file mode 100644
index 0000000..606a70f
--- /dev/null
+++ b/src/libunixonacid/timed_readv.c
@@ -0,0 +1,38 @@
+/* ISC license. */
+
+#include <sys/uio.h>
+
+#include <skalibs/functypes.h>
+#include <skalibs/allreadwrite.h>
+#include <skalibs/siovec.h>
+#include <skalibs/unix-timed.h>
+
+struct blah_s
+{
+  int fd ;
+  struct iovec *v ;
+  unsigned int vlen ;
+  size_t w ;
+} ;
+
+static int getfd (struct blah_s *blah)
+{
+  return blah->fd ;
+}
+
+static ssize_t get (struct blah_s *blah)
+{
+  ssize_t r = fd_readv(blah->fd, blah->v, blah->vlen) ;
+  if (r > 0) { blah->w += r ; siovec_seek(blah->v, blah->vlen, r) ; }
+  return r ;
+}
+
+size_t timed_readv (int fd, struct iovec *v, unsigned int vlen, tain const *deadline, tain *stamp)
+{
+  if (!vlen || !siovec_len(v, vlen)) return 0 ;
+  struct iovec vv[vlen] ;
+  struct blah_s blah = { .fd = fd, .v = vv, .vlen = vlen, .w = 0 } ;
+  for (unsigned int i = 0 ; i < vlen ; i++) vv[i] = v[i] ;
+  timed_get(&blah, (init_func_ref)&getfd, (get_func_ref)&get, deadline, stamp) ;
+  return blah.w ;
+}