Refactor textmessage/textclient with channel creation around ancil_*

1 files changed, 47 insertions, 0 deletions

diff --git a/src/libunixonacid/textmessage_create_send_channel.c b/src/libunixonacid/textmessage_create_send_channel.c
new file mode 100644
index 0000000..40f7ff7
--- /dev/null
+++ b/src/libunixonacid/textmessage_create_send_channel.c
@@ -0,0 +1,47 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <string.h>
+
+#include <skalibs/djbunix.h>
+#include <skalibs/unix-timed.h>
+#include <skalibs/ancil.h>
+#include <skalibs/textmessage.h>
+#include <skalibs/textclient.h>
+#include <skalibs/posixishard.h>
+
+static int getfd (void *p)
+{
+  return ((int *)p)[0] ;
+}
+
+static int one (void *p)
+{
+  (void)p ;
+  return 1 ;
+}
+
+static int sendit (void *p)
+{
+  int *fd = p ;
+  return ancil_send_fd(fd[0], fd[1], '|') ;
+}
+
+int textmessage_create_send_channel (int sock, textmessage_sender_t *asyncout, char const *after, size_t afterlen, tain_t const *deadline, tain_t *stamp)
+{
+  int fd[3] = { sock } ;
+  int r ;
+  if (pipenbcoe(fd+1) < 0) return 0 ;
+  r = timed_flush(fd, &getfd, &one, &sendit, deadline, stamp) ;
+  fd_close(fd[1]) ;
+  if (!r) goto err ;
+  textmessage_sender_init(asyncout, fd[2]) ;
+  if (!textmessage_timed_send(asyncout, after, afterlen, deadline, stamp)) goto ferr ;
+  return 1 ;
+
+ ferr:
+  textmessage_sender_free(asyncout) ;
+ err:
+  fd_close(fd[2]) ;
+  return 0 ;
+}